I/We claim:
1. An automatic winder for winding a yarn from a yarn supply bobbin to form
a package comprising:
a plurality of winder units each having at least a first module and a second module; and
a base member in which the plurality of winder units is arranged, wherein
the base member has a first receiving surface that faces upward and supports more than half of the weight of the first module, and a second receiving surface that faces upward and supports more than half of the weight of the second module,
the first module is a yarn winding module configured as a yarn winding section for winding the yarn into the package,
the second module is a yarn joining module configured as a yarn joining section for joining the yarn,
the first module and the second module are mounted to the base member via a different mounting mechanism, respectively.
2. The automatic winder as claimed in claim 1, wherein
each of the winder units has a third module,
the base member has a third receiving surface that faces upward and supports more than half of the weight of the third module,
the third module is a yarn supply exchanging module configured as a yarn supply exchanging section for holding a yarn wound in the yarn winding section.
3. The automatic winder as claimed in claim 2, wherein
the yarn joining module includes a fixing member for fixing the yarn

supply exchanging module.
4. The automatic winder as claimed in any one of claims 1 to 3, wherein
the base member includes:
a duct configured to let pass through it a suction airflow sucked from the winder units; and
a compressed air pipe configured to supply compressed air to the winder units,
the first receiving surface is formed in the duct,
the second receiving surface is formed in the compressed air pipe.
5. The automatic winder as claimed in any one of claims 1 to 4, wherein
the yarn winding module includes:
a cradle that supports the package in a rotatable manner;
a driving source configured to generate driving force for rotating the package; and
a traverse device configured to traverse the yarn to be wound in the package.
6. The automatic winder as claimed in any one of claims 1 to 5, wherein
the yarn winding module is mounted to a covering member provided in the
first receiving surface.
7. The automatic winder as claimed in any one of claims 1 to 6, wherein
the first receiving surface facing upward, supports all of the weight of the
yarn winding module.
8. The automatic winder as claimed in any one of claims 1 to 7, wherein

the second receiving surface is provided downward of the duct configured to let pass through it the suction airflow sucked from the winder units,
the yarn joining module supported by the second receiving surface is mounted on a surface facing outward in the duct.
9. The automatic winder as claimed in any one of claims 1 to 8, wherein
the yarn winding module is provided upward and rearward of the yarn
joining module,
the yarn joining module is provided upward of the yarn supply exchanging module configured as a yarn supply exchanging section for holding a yarn to be wound in the yarn winding section.
10. The automatic winder as claimed in any one of claims 1 to 9, wherein
the base member is a main frame,
the automatic winder includes:
a yarn supply exchanging section that is arranged at a lower portion of the main frame, the yarn supply exchanging section including one of several types of yarn supply exchanging devices that is selectively mounted, wherein
the yarn winding section arranged at an upper portion of the main frame, includes one of several types of yarn winding devices that is selectively mounted,
the yarn joining section arranged in an intermediate portion of the main frame in the vertical direction, joins a yarn supplied from the yarn supply exchanging section to the yarn winding section.
11. The automatic winder as claimed in claim 10, wherein
several types of the yarn supply exchanging devices are a magazine type bobbin supply device, and a transport tray type bobbin supply device,

several types of the yarn winding devices are a traversing drum type yarn winding device, and an arm traverse type yarn winding device.
12. The automatic winder as claimed in claim 10, wherein
several types of the yarn supply exchanging devices are a magazine type bobbin supply device, a transport tray type bobbin supply device, and a package supply device for supporting a cone-shaped package,
several types of the yarn winding devices are a traversing drum type yarn winding device, and an arm traverse type yarn winding device.
13. The automatic winder as claimed in claim 10, wherein
one of several types of yarn joining mechanisms is selectively mounted to the yarn joining section,
several types of the yarn supply exchanging devices are a magazine type bobbin supply device, and a transport tray type bobbin supply device,
several types of the yarn winding devices are a traversing drum type yarn winding device, and an arm traverse type yarn winding device,
several types of the yarn joining mechanisms are a suction mouth type yarn joining mechanism, and a yarn accumulation type yarn joining mechanism having a yarn accumulation part.
14. The automatic winder as claimed in claim 13, wherein
when the yarn accumulation type yarn joining mechanism is mounted to the yarn joining section, either the traversing drum type yarn winding device or the arm traverse type yarn winding device can be selected as the yarn winding device to be mounted to the yarn winding section.

15. The automatic winder as claimed in any one of claims 1 to 9, wherein
the base member is a main frame,
the automatic winder includes:
a yarn supply exchanging section removably provided at a lower portion of the main frame, wherein
the yarn winding section is removably mounted, in the main frame, above a position where the yarn supply exchanging section is provided,
the yarn joining section is removably mounted, in the main frame, above a position where the yarn supply exchanging section is provided, and below a position where the yarn winding section is mounted.
16. The automatic winder as claimed in claim 15, wherein
the height of a mounting position of the yarn winding section with respect to the main frame can be changed.
17. The automatic winder as claimed in claim 15 or 16, wherein
the yarn joining section includes a winding controller for controlling the yarn winding section, and an unit controller for controlling the winding controller and totally controlling the yarn joining section and the yarn supply exchanging section.
18. The automatic winder as claimed in any one of claims 1 to 9, wherein
the base member is a main frame,
the yarn winding section is mounted to the main frame, the automatic winder includes:
a yarn processing section including a mechanism for joining the yarn, the yarn processing section that is mounted to the main frame at a position different

from the position where the yarn winding section is mounted to the main frame; and an unit controller arranged in the yarn processing section, the unit controller being configured to control the yarn winding section and the yarn processing section.
19. The automatic winder as claimed in claim 18, wherein
the yarn winding section is mounted to an upper portion of the main frame,
the yarn supply exchanging section is arranged at a lower portion of the main frame,
the yarn joining section arranged between the yarn supply exchanging section and the yarn winding section, is adapted to join a yarn supplied from the yarn supply exchanging section to the yarn winding section,
the yarn processing section includes the yarn supply exchanging section and the yarn joining section.
20. The automatic winder as claimed in claim 19, wherein
the yarn winding section includes a yarn winding frame,
the yarn joining section of the yarn supply exchanging section includes a yarn joining frame,
the yarn winding frame and the yarn joining frame spaced from each other, are mounted to the main frame.
21. The automatic winder as claimed in any one of claims 18 to 20, wherein
a space is formed between the yarn winding section and the yarn processing section.
22. The automatic winder as claimed in any one of claims 18 to 21, wherein

a position where the yarn winding section is mounted to the main frame is arranged above a position where the yarn processing section is mounted to the main frame.
23. The automatic winder as claimed in any one of claims 18 to 22, wherein
a vibration absorbing member for absorbing vibration is provided at least either between the yarn winding section and the main frame or between the yarn processing section and the main frame.
24. The automatic winder as claimed in any one of claims 18 to 23, wherein
the main frame bridged horizontally between a pair of side plates, includes
a duct that is configured to let pass a suction airflow generated in the yarn processing section,
the yarn processing section is fixed to the duct,
a bottom portion on the back side of the yarn winding section is fixed to a receiving plate bridged between the side plates and arranged above the duct.
25. The automatic winder as claimed in claim 24, wherein
the yarn winding section includes a cradle for supporting a package to be formed by winding a yarn supplied from the yarn processing section, a pivot of the cradle is arranged above the receiving plate.
26. The automatic winder as claimed in claim 25, wherein
a position where the cradle supports the package is arranged on a front side of the yarn winding section, rather than a position where the yarn winding section is fixed to the receiving plate,
the front side of the yarn winding section is positioned rearward of a front

side of the yarn processing section.
27. A method for manufacturing an automatic winder including a plurality of
winder units each having at least a first module and a second module, and a base member arranged across the plurality of winder units comprising:
a first supporting step in which a first receiving surface facing upward and included in the base member supports more than half of the weight of the first module that is a yarn winding module configured as a yarn winding section for winding a yarn into a package; and
a second supporting step in which a second receiving surface facing upward and included in the base member supports more than half of the weight of the second module that is a yarn joining module configured as a yarn joining section for joining a yarn, wherein
the first module to be supported in the first supporting step and the second module to be supported in the second supporting step are mounted to the base member via a different mounting mechanism, respectively.