JPH02237877A - Positioning device for car body - Google Patents

Abstract

PURPOSE:To set a necessary received piece which is automatically selected to a proper position by the feed shift of a received piece installation board by installing a rotary body which can perform 180 deg. revolution division, received piece installation board which can be slided in parallel to the rotary shaft and a received piece magazine which can be raised and lowered directly under the received piece installation board, onto the frame of a surface plate. CONSTITUTION:A car body supporting device 12 is installed onto the floor of an assembly line or the frame 10 of a surface plate 11, and a piece receiving magazine device 13 is installed onto the frame 10 directly under the body supporting device 12. At this time, the body supporting device 12 is constituted of a rotary body 14 which can perform revolution-division and the piece receiving installation boards 18a and 18b which can slide in the axis line direction parallel to the revolution center line at two positions in 180 deg. revolution. Further, the received piece magazine device 13 houses a plurality of received pieces 24 corresponding to each vehicle, and can be raised and lowered. Therefore, an arbitrary piece 24 is installed onto the received piece installation boards 18a and 18b from the received piece magazine 13, and the received piece 24 is set upward by the 180 deg. revolution division of the rotary body, and the received piece installation boards 18a and 18b are slided and installed at a prescribed position.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a positioning device for an automobile body on an automobile assembly line.

BACKGROUND OF THE INVENTION On an automobile assembly line, vehicle bodies are sequentially transferred to an assembly station by a transfer device, and are positioned and supported at the assembly station by a receiving piece provided on a surface plate.

The bodies transported on this assembly line are a mixture of many car models.
Further, each body has an optimum positioning range for supporting with a receiving piece.

A conventional general positioning device is of a 4lI construction as shown in FIGS. 3 and 4.

Zunawaji, a plurality of bragets 1 and 1 installed in parallel on the surface plate 7 in the transport direction of the body W, and a plurality of types of receiving pieces 2 corresponding to various vehicles and supporting the body positioning n':a range S A cylinder 3 that rotates these receiving pieces 2 is rotatable between the upright position of the positioning posture and the retracted position of the tilted...1 posture.
This is a structure in which the two pieces are connected to each receiving piece 2. Incidentally, the reference numeral 4 in FIG.
It is a transfer device that supports the body W and moves up and down as well as forward and backward.

Problems to be Solved by the Invention In the conventional device described above, it is necessary to install a large number of receiving pieces 2 and cylinders 3 in order to support the positioning of various types of vehicles, but there is a limit to the installation space. Furthermore, each time a model change occurs, the equipment must be updated or modified11.Furthermore, a large number of cylinders 3 are required, resulting in high costs and troublesome pressure fluid piping. Further, since each receiving piece 2 stands upright or tilts at a fixed position, there are various problems such as the inability to freely set an arbitrary position within the optimum body positioning range S.

The present invention improves the problems of the conventional device, and its characteristic configuration is that the rotary v1 output 7ir is placed on the frame installed on the surface plate 11, etc. An automobile body support device is provided with a receiving piece mounting base capable of feeding and moving in an axial direction parallel to a rotational center line at two positions of at least 180° on a rotating body, which is provided on a rotating body; and a receiving piece magazine device that stores a plurality of receiving pieces corresponding to various vehicles to be delivered to the receiving piece mounting table. <Operation> - According to the configuration described in L, the required receiving pieces are delivered and mounted on the receiving piece mounting table from the receiving piece magazine, and the rotary body is rotated 180° and indexed, and the receiving pieces are oriented upward and 17, if necessary. The piece mounting table is slid and installed at any position.6 Embodiments Hereinafter, embodiments of the present invention will be explained based on the drawings.6 In FIGS. 1 and 2, 10 is 71/-. , surface plate 1
It is installed on 1. In addition, it is not necessary to set one prefecture on the surface plate 11, but it is also possible to set one set on the floor with one line.

The frame 10 is provided with an automobile body support device 12, and a receiving piece magazine device 13 is installed on the 71-nome 10 directly below the body support device ``e112''.

The structure of the body support device 12 is as follows. 14
is a rotating body, and is provided above the frame 10 so as to be rotatable around a horizontal axis by a support shaft 15. Reference numeral 16 denotes a motor for rotationally indexing the rotating body 14, and in this embodiment, the rotating body 14 is rotated at 180°.

The rotating body 14 has guides 1 at two positions of 180°.
7a and 17b are provided in the axial direction parallel to the center line of rotation of the rotating body 14, and receiving piece mounting stands 18a and 18b are slidably guided by these guides 17a and 17l). In addition, the rotating body 14 includes Mix guides +7a and 17b.
Feed screws 19a and 19b are provided for feeding and moving the receiving piece mounting bases 18a and 18b along parallel axes,
ing. 20a and 20b are feed screws 19a-19
This is a motor that drives b in forward and reverse rotation. A holding mechanism for detachably mounting the receiving piece 24 is provided on the receiving piece mounting bases 18a and 18b. This holding mechanism includes, for example, a location 1/bin 21 that holds the receiving piece 24 together with one taper, and a receiving piece 24 that fits into the location 1/bin 21.
It is configured with a magnet 1.22 that magnetically attracts the.

The structure of the receiving piece magazine device 13 is as follows.

23 is a magazine in which a plurality of receiving pieces 24 corresponding to various types of vehicles are stored facing downward. A positioning pin 30 for positioning the magazine 23 to be stored is protruded from the receiving piece 24.

The makajin 23 is supported by a guide device 25 so as to be movable four times, and is moved up and down by a cylinder 26. Reference numeral 29 indicates a sensor for detecting storage of the receiving piece 24 at a predetermined position, and reference numeral 4 indicates a transfer device.

As shown in FIG. 2, the magazine 23 is provided with a clamp 27 for restraining the stored pieces 24. 2
8 is a cylinder for a clamp.

Next, the operation of the device of the present invention will be explained. Body support device 12
In this case, one of the receiving pieces mounting bases 18a is placed on the top. When it is facing upward, the other receiving piece mounting base 18b exhibits a positional relationship in which it faces downward.

Now, when the receiving piece 24 is mounted on one receiving piece mounting table 18a facing -F as shown in the figure, and the receiving piece mounting table 18b on the F side is empty, the next When replacing the receiving piece 24 for positioning the body W being transferred to the magazine 23, the receiving piece mounting base 181) is moved by the feed screw 19b, and one of the many receiving pieces 24 stored in the magazine 23 is replaced. A sorting operation is automatically performed so that the required receiving piece 24 is located directly in the tenth position.

Next, the cylinder 26 operates to position the magazine 23 at the -F rising end. As a result, the receiving piece 24 stored in the magazine 23 taper-fits into the locations 1 to 21 of the receiving piece mounting base 18b, and is also attracted by the red pin 22. In this state, by operating the cylinder 26 and moving the magazine 23 downward, the receiving piece mounting table 18! ) The receiving piece 24 which is fitted and attracted to the receiving piece 24 is taken out from the magazine 23 and delivered to the receiving piece mounting base 18b.

When the mackerel 23 is returned to the lowering end, the rotating body 14 is rotated by 180 degrees by the motor 1G, the receiving piece mounting bases 18a and 18b are reversed, and the receiving pieces on the receiving piece mounting base 18a side are rotated. 24 is the receiving piece 24 on the receiving piece mounting base 18b side facing downward.
is in an upward facing position. Here, when the receiving piece mounting base 18a needs to be moved in order to return the receiving piece 24 to a predetermined storage position in the magazine 23, the feed screw 19a is rotated to correspond to the predetermined storage position. Then, the magazine 23 is activated again, and the received pieces 24 are stored in the magazine 23. At this time, the clamp 27 operates to clamp the receiving piece 24 stored in the magazine 23. In this state, by moving the magazine 23 downward, it will be attracted by the magnet 22.
The receiving piece 24 which has been tapered onto the locate bin 21 is reliably separated from the receiving piece mounting base 18a.

On the other hand, the receiving piece 24 facing upward is set by moving the receiving piece mounting base 18b by the sending gears 12 19b so as to support the predetermined optimal positioning range S of the body W, and the body W is transferred by the transfer device 4. Position and support. The receiving piece 24 is automatically exchanged according to the type of body W transferred in the manner described in (2).

Effects of the Invention> - ■Second: According to the present invention, it is possible to store and install receivers for many car models in a limited space, and because they are automatically sorted and used for replacement, it is possible to store and install receivers for many car models. Mixed production can be carried out efficiently. In addition, the receiving piece can be freely set at any appropriate position by moving the receiving piece mounting base. Furthermore, when changing the model or model of a vehicle, all that is required is replacing the receiving pieces stored in the magazine, which allows setup changes to be made in a short time and reduces installation costs.

[Brief explanation of drawings]

FIG. 1 is a side view of the device of the present invention, and FIG. 2 is a side view of the device of the present invention.
A line sectional view, FIG. 3 is a side view of the conventional device, and FIG. 4 is a front view of the same. 10...Frame, 12...Body support device, 13
... Receiving piece magazine device, 14 ... Rotating body, 18a
, 18b... Receiving piece mounting stand, 19a, 19b...
Feed screw, 23...Magazine, 24...Receiver piece, 26
···Cylinder. Patent applicant Kanto Jidosha Kogyo Co., Ltd. 163 Figure 3 Figure 2 Figure 4 W

Claims (1)

[Claims] An automobile body support equipped with a receiving piece mounting base that can be fed and moved in an axial direction parallel to the center line of rotation at two positions of at least 180° of a rotating body that is rotatably indexable on a frame installed on a surface plate or the like. and a receiving piece magazine device which is provided to be movable up and down directly under the rotating body and stores a plurality of receiving pieces corresponding to various vehicles to be delivered to the receiving piece mounting base. Device.