Claims:We Claim:
1. A system (100) for flaming, dispensing adhesive& lens pressing in a housing of a head lamp, the system (100) comprising:
arobotic arm (102), configured to run above a channel of the housing, comprising:
afirst nozzle (104), connected with a fuel container, configured to blow plasma on the channel of the housing;
asecond nozzle (106), connected with an adhesive dispenser (107), configured to dispense the adhesive on the channel of the housing;
anupper cylinder (109) connected with an upper jig mounting plate (108)configured to hold a lens;
alower cylinder (110) connected with a lower jig mounting plate (112)configured to hold the housing with the channel;
wherein the upper cylinder (109) is configured to push the lens onto the channel of the housing;
wherein the adhesive present in the channel is adapted to glue the lens over the housing.
2. The system (100) as claimed in claim 1 wherein the robotic arm (102) is configured to move in 6 degree of freedom (6 DoF).
3. The system (100) as claimed in claim 1, wherein the fuel container contains hydrogen per oxide.
4. The system (100) as claimed in claim 1, wherein the upper cylinder (109) is connected with the upper jig mounting plate (108) using an extendable arm configured to lower the lens.
5. The system (100) as claimed in claim 1, wherein the lower cylinder (110) is connected with the lower jig mounting plate (112) using a second extendable arm configured to raise the housing.
6. The system (100) as claimed in claim 1, wherein theupper cylinder (109) and the lower cylinder (110) are operated using respective one or more pneumatic drives.
7. The system (100) as claimed in claim 1, wherein the adhesive is Polyurethane Reactive (PUR).
8. The system (100) as claimed in claim 1, wherein theupper cylinder (109) and the lower cylinder (110) are supported by respective one or more linear bearings.
9. The system (100) as claimed in claim 1, comprising a heater configured to heat and detach threads formed between the second nozzle (106) and the channel due to residual adhesive left at the second nozzle (106) after completion of dispensing the adhesive.
10. The system (100) as claimed in claim 1, wherein the lens has protrusion along periphery of the lens;
whereinthe protrusion is received inside the channel of the housing along with the adhesive.

Dated this the 15th day of September 2021.

[VIVEK DAHIYA]
AGENT FOR THE APPLICANT – IN/PA 1491 , Description:FIELD OF THE INVENTION
Embodiment of the present invention relates to automotive assemblysystems and more particularly to a system for flaming, dispensing adhesive & lens pressing in a housing of a head lamp.
BACKGROUND OF THE INVENTION
Assembling a head lamp is a task requiring precision and cleanliness. A little bit of error in assembling can result in mechanical or electrical failure of an important component of a vehicle. The headlamp suffers various calamities such as wind, rain, dust etc. therefore, it should be sealed properly in order to protect electrical circuits and PCBs inside the headlamp. Existent assembling techniques requires robots and human intervention. Even though the sealing of the headlamp cannot be guaranteed because of lack of cleanliness and precision. Sometimes, due to excess of the glue ruins the lens of the head lamp, sometimes due to lack of gluing, the lens won’t adhere to the housing. Further, due to presence of dust dirt on the housing results in uneven gluing of the lens which also results in disastrous outcomes.
The problem with existing solutions is that the plasma &gluing requires man handling. Further, multiple stations&man power is required to assemble a head lamp. In addition, due to many moving components and involvement of human labor, cycle time increase.
Therefore, there is a need for a system for flaming, dispensing adhesive & lens pressing in a housing of a head lamp which can overcome deficiencies and limitations of the prior arts.
OBJECT OF THE INVENTION
An object of the present invention is to provide a system for flaming, dispensing adhesive & lens pressing in a housing of a head lamp.
Another object of the present invention is to reduce number of components in assembling a headlight.
Yet another object of the present invention is to reduce cost of assembling the head lamp.
Yet another object of the present invention is to reduce assembly time of the headlight.
Yet another object of the present invention is to eliminate multiple components in the system.
Yet another object of the present invention is compact size and less power consumption.
Yet another object of the present invention is reduction in waste and save environment from toxic emission.
SUMMARY OF THE INVENTION
This summary is provided to introduce a selection of concepts, in a simple manner, which is further described in the detailed description of the invention. This summary is neither intended to identify key or essential inventive concepts of the subject matter, nor to determine the scope of the invention.
According to an aspect of the present invention, there is provided asystemfor flaming, dispensing adhesive & lens pressing in a housing of a head lamp. The system comprises a robotic arm, configured to run above a channel of the housing, comprises a first nozzle, connected with a fuel container, configured to blow plasma on the channel of the housing, a second nozzle, connected with an adhesive dispenser, configured to dispense the adhesive on the channel of the housing, an upper cylinder connected with an upper jig mounting plate configured to hold a lens, a lower cylinder connected with a lower jig mounting plate configured to hold the housing with the channel. Further, the upper cylinder is configured to push the lens onto the channel of the housing. Furthermore, the adhesive present in the channel is adapted to glue the lens over the housing.
In accordance with an embodiment of the present invention, the robotic arm is configured to move in 6 degree of freedom (6 DoF).
In accordance with an embodiment of the present invention, the fuel container contains hydrogen per oxide.
In accordance with an embodiment of the present invention, the upper cylinder is connected with the upper jig mounting plate using an extendable arm configured to lower the lens.
In accordance with an embodiment of the present invention, the lower cylinder is connected with the lower jig mounting plate using a second extendable arm configured to raise the housing.
In accordance with an embodiment of the present invention, the upper cylinder and the lower cylinder are operated using respective one or more pneumatic drives.
In accordance with an embodiment of the present invention, the adhesive is Polyurethane Reactive (PUR).
In accordance with an embodiment of the present invention, the upper cylinder and the lower cylinder are supported by respective one or more linear bearings.
In accordance with an embodiment of the present invention, the system comprises a heater configured to heat and detach threads formed between the second nozzle and the channel due to residual adhesive left at the second nozzle after completion of dispensing the adhesive.
In accordance with an embodiment of the present invention,the lens has protrusion along periphery of the lens. Further, the protrusion is received inside the channel of the housing along with the adhesive.
BRIEF DESCRIPTION OF THE DRAWINGS
So that the manner in which the above recited features of the present invention can be understood in detail, a more particular to the description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings. It is to be noted, however, that the appended drawings illustrate only typical embodiments of this invention and are therefore not to be considered limiting of its scope, the invention may admit to other equally effective embodiments.
These and other features, benefits and advantages of the present invention will become apparent by reference to the following text figure, with like reference numbers referring to like structures across the views, wherein:
Fig. 1 illustrates a system for flaming, dispensing adhesive & lens pressing in a housing of a head lamp, in accordance with an embodiment of the present invention.
DETAILED DESCRIPTION OF THE DRAWINGS
While the present invention is described herein by way of example using embodiments, those skilled in the art will recognize that the invention is not limited to the embodiments of drawing or drawings described and are not intended to represent the scale of the various components. Further, some components that may form a part of the invention may not be illustrated in certain figures, for ease of illustration, and such omissions do not limit the embodiments outlined in any way. It should be understood that the drawings and detailed description thereto are not intended to limit the invention to the particular form disclosed, but on the contrary, the invention is to cover all modification/s, equivalent/s and alternative/s falling within the scope of the present invention as defined by the appended claim. The headings used herein are for organizational purposes only and are not meant to be used to limit the scope of the description or the claim. As used throughout this description, the word "may" is used in a permissive sense (i.e., meaning having the potential to), rather than the mandatory sense (i.e., meaning must).
Further, the words "a" or "an" means "at least one” unless otherwise mentioned. Furthermore, the terminology and phraseology used herein is solely used for descriptive purposes and should not be construed as limiting in scope. Language such as "including", "comprising", "having", "containing", or "involving" and variations thereof, is intended to be broad and encompass the subject matter listed thereafter, equivalents, and additional subject matter not recited, and is not intended to exclude other additives, components, integers or steps. Likewise, the term "comprising" is considered synonymous with the terms "including" or "containing" for applicable legal purposes. Any discussion of documents, acts, materials, devices, articles and the likes are included in the specification solely for the purpose of providing a context for the present invention. It is not suggested or represented that any or all of these matters form part of the prior art base or were common general knowledge in the field relevant to the present invention.
In this disclosure, whenever an element or a group of elements is preceded with the transitional phrase “comprising”, it is understood that we also contemplate the same composition, element or group of elements with transitional phrases “consisting of”, “consisting”, “selected from the group of consisting of”, “including”, or “is” preceding the recitation of the composition, element or group of elements and vice versa.
This invention described herein may be embodied in many different forms and should not be construed as limited to the embodiment set forth herein. Rather, the embodiment is provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art. In the following description, numeric values and ranges are provided for various aspects of the implementations described. These values and ranges are to be treated as examples only and are not intended to limit the scope of the claims. In addition, a number of materials are identified as suitable for various facets of the implementations. These materials are to be treated as exemplary and are not intended to limit the scope of the invention.
Figure 1 illustrates a system (100) for flaming, dispensing adhesive & lens pressing in a housing of a head lamp, in accordance with an embodiment of the present invention. As shown in figure 1, the system (100)comprises,a robotic arm (102), a first nozzle (104), a second nozzle (106), an upper cylinder (109), a lower cylinder (110), an upper jig mounting plate (108), a lower jig mounting plate (112), and an adhesive dispenser (107), a housing and a lens. The housing comprises a channel running through the periphery of the housing. Further, the lens has protrusion along periphery of the lens.
In accordance with an embodiment of the present invention, the robotic arm (102)comprises a first nozzle (104) and a second nozzle (106). The first nozzle (104) may be connected with a fuel container via a pipe (118). The fuel container may contain fuel such as may be, but not limited to, hydrogen per oxide, helium, argon, liquefied petroleum gas (LPG) etc. Further, the second nozzle (106)may be connected with an adhesive dispenser (107).The adhesive dispenser (107) contains adhesive. The adhesive is may be, but not limited to Epoxy adhesives, Polyurethane adhesives,Polyimide adhesives, Polyurethane Reactive (PUR).In present embodiment, the adhesive used is PUR.
In accordance with an embodiment of the present invention, as shown in figure 1, the upper cylinder (109) connected with the upper jig mounting plate (108). The upper jig mounting plate (108) configured to hold a lens. The upper jig mounting plate (108) may comprise clamps, bolts, suction cups, one or more hooks or snap fit mechanism to hold the lens. The upper cylinder (109) is connected with the upper jig mounting plate (108) using an extendable arm configured to lower the lens.
Further, as shown in figure 1, thelower cylinder (110) connected with the lower jig mounting plate (112) configured to hold the housing with the channel. The upper jig mounting plate (108) may comprise clamps, bolts, suction cups, one or more hooks or snap fit mechanism to hold the housing with the channel.The lower cylinder (110) is connected with the lower jig mounting plate (112) using a second extendable arm configured to raise the housing.
Furthermore, in accordance with an embodiment of the present invention, theupper cylinder (109) and the lower cylinder (110) are operated using may be, but not limited to, respective one or more pneumatic drives, hydraulic drives, electrical drives or gears. In accordance with an embodiment of the present invention,the upper cylinder (109) and the lower cylinder (110) are supported by maybe, but not limited to, respective one or more linear bearings.
In an additional or alternative embodiment, the system (100) may comprise a heater. The heater may be disposed proximal to the second nozzle (106). The heater may be, but not limited to, an electrical heater.
In an additional or alternative embodiment, the housing may comprise a reflector. The material for the reflector may have the property of being highly reflective, anti-corrosive, and temperature resistant. The material may be, but not limited to, polycarbonate (PC), polypropylene (PP), polybutylene terephthalate, nylon, Acrylonitrile Butadiene Styrene (ABS), Polymethyl Methacrylate (PMMA), and Polyethylene terephthalate (PET), bulk moulding compound (BMC), acrylic mirror, glass mirror, polished metal, and chromic reflector.
Further, in an additional or alternative embodiment, the system (100)may comprise a processing module and auser interface. The processing module is envisaged to include computing capabilities such as a memory unit configured to store machine readable instructions. The machine-readable instructions may be loaded into the memory unit from a non-transitory machine-readable medium, such as, but not limited to, CD- ROMs, DVD-ROMs and Flash Drives. Alternately, the machine-readable instructions may be loaded in a form of a computer software program into the memory unit. The memory unit in that manner may be selected from a group comprising EPROM, EEPROM and Flash memory. Further, the processing module includes a processor operably connected with the memory unit. In various embodiments, the processor is one of, but not limited to, a general-purpose processor, an application specific integrated circuit and a field-programmable gate array. In one embodiment the processing module may be a part of a dedicated computing device or may be a microprocessor that may be a multipurpose, clock driven, register based, digital integrated circuit that accepts binary data as input, processes it according to instructions stored in its memory and provides results as output.
In accordance with another embodiment of the present invention, theuser interface may be provided to enable a user to enter one or more values to move and operate the first cylinder, the second cylinder, motors, robotic arm (102), the first nozzle (104), the second nozzle (106), dispensing of the plasma and the adhesive and all other components of the system (100). The exemplary user interfaceincludes, but not limited to, one or more buttons, a gesture interface, an audio interface, and a touch-based interface including buttons touch screens and the like.
In accordance with an embodiment of the present invention, the head lamp may further comprise a PCB may be packed in between the housing and the reflector. The housing may having a plurality of grooves configured to secure the reflector, set of LEDs. The PCB may be selected from a group comprising of, but not limited to, a single layer, double layer, multi-layer, Rigid-PCB, flexible, Rigid-Flex, High-frequency, Aluminium-backed printed circuit board, and the like.
In accordance with an embodiment, the system (100) may comprise a curtain (114) disposed between the robotic arm (102) and the arrangement of the first cylinder and the second cylinder. The curtain (114) may be installed to avoid any accidental or intentional contact with the robotic arm (102) during assembly of the head lamp.
The invention works in following manner:
In accordance with an embodiment of the present invention, the robotic arm (102) is configured to run above a channel of the housing. Further, the first nozzle (104), connected with the fuel container, and is configured to blow plasma on the channel of the housing.The second nozzle (106) runs along the channel using the moment of the robotic arm (102) in 6 DoF.The plasma sterilize the channel of any debris or impurities inside the channel.
After cleaning the channel,the second nozzle (106), connected with an adhesive dispenser (107), configured to dispense the adhesive on the channel of the housing.The second nozzle (106) runs above the channel using the moment of the robotic arm (102) in 6 DoF.The adhesive is evenly distributed over the channel.
After the distribution of the adhesive, the upper cylinder (109) is configured to push the lens onto the channel of the housing. The pneumatic drive connected with the upper cylinder (109) is configured to push the lens over thechannel of the housing. Using the extending arm, the lens is pushed on the housing. The protrusion of the lens is received inside the channel of the housing along with the adhesive.
In an additional or alternative embodiment, the lower cylinder (110) is connected with the lower jig mounting plate (112) using a second extendable arm configured to raise the housing. The pneumatic drive is configured to raise the housing using the extending arm.
Next, in accordance with an additional or alternative embodiment, the heater is configured to heat and detach threads formed between the second nozzle (106) and the channel due to residual adhesive left at the second nozzle (106) after completion of dispensing the adhesive.
In an additional or alternative embodiment, the processing module may be the brain of the system (100) and is configured to facilitate operation of each component of the system (100) such as moving the first cylinder and the second cylinder. Further the processing module may operate the pneumatic drive and electronic panel to operate robotic arm (102), the first nozzle (104), the second nozzle (106) thereby controlling the amount of plasma and the amount of the adhesive dispensed from the respective nozzles.
In accordance with an embodiment the system (100)may comprise a buzzer connected with the adhesive dispenser (107). The buzzer may be triggered on completion of 50 cycles of adhesive dispensing to check level of adhesive in the adhesive dispenser (107).
Further, in accordance with an embodiment the system (100) may comprise a pressure sensor in cinnectedion with the first cylinder and the second cylinder. The system (100) is configured to shut down in case the pressure sensor detects a pressure inside the first cylinder and the second cylinder below a predetermined level. In accordance with an embodiment, the system (100) may comprise a proximity sensor configured to detect presence of the housing and the lens on the first cylinder and the second cylinder. The system (100) is configured to shut down in case the proximity sensor detects absence of the lens and the housing.
The present invention provides a number of advantages. Firstly, reduced number of components. Secondly, reduced cost of assembling the head lamp. Also, the present invention provides reduced assembly time.Further, easy assembly reducesoperator’s fatigue.The present invention eliminated separate components and removal and reattachment of components with which electronic components are reduced which leads to reduction in wastage and step to save environment from toxic emission.Further, the compact size and less power consumption of the present invention make it a cost-effective solution to the problems of the prior art.
Various modifications to these embodiments are apparent to those skilled in the art from the description and the accompanying drawings. The principles associated with the various embodiments described herein may be applied to other embodiments. Therefore, the description is not intended to be limited to the embodiments shown along with the accompanying drawings but is to be provided broadest scope consistent with the principles and the novel and inventive features disclosed or suggested herein. Accordingly, the invention is anticipated to hold on to all other such alternatives, modifications, and variations that fall within the scope of the present invention and the appended claims.