JPH0434135Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial field of application The invention is useful, for example, in an automobile manufacturing factory, when the body is subjected to a treatment such as painting or polishing while a trolley supporting the body is running in a treatment room. The present invention relates to a processing device using a trolley, which is used in applications such as the following.

BACKGROUND TECHNOLOGY For example, in a processing device that performs painting work on the body of an automobile, which is an example of the object to be processed,
The trolley was moved within the processing chamber by a chain-type trolley drive device installed on the floor, and paint was sprayed onto the objects on the trolley.
At that time, in order to prevent the paint from transferring and adhering to the side of the bogie drive device, as seen in Japanese Utility Model Publication No. 70427 of 1982, the bogie drive device is attached to a cover frame having a slit on the top side. In addition to adopting a conveyance format in which the driven pin on the truck side is engaged with the truck drive device through a slit,
A sealing material such as a brush or rubber was provided in the slit portion.

Problems to be Solved by the Invention In the conventional type described above, the passive pin moves through the sealing material, which deteriorates the seal in a short period of time and requires frequent replacement. Furthermore, since the paint adheres to the sealing material and solidifies, repairs must be made frequently, and furthermore, the sealing action itself cannot be performed satisfactorily.

An object of the present invention is to provide a processing device that uses a trolley and can omit a sealant.

Means for Solving the Problems In order to solve the above problems, the processing device using a trolley according to the present invention has a porous floor plate that partitions an upper processing chamber and a lower suction passage, and a slit on the top side. When a pair of left and right upper covers are disposed on the floor plate side, rails are disposed below these upper covers, a trolley device supported and guided by the rails, and a trolley device that is erected from this trolley device and that is A trolley is provided, which includes a connecting pin passing through a slit, and a workpiece support device attached to the connecting pin and located in the processing chamber, and a truck driving device is disposed below the rail, and a truck driving device is disposed on both sides of the connecting pin. A recess is formed in the connecting pin, and the free edge of the upper cover is positioned to protrude into the recess on both sides of the connecting pin.

Effects According to the configuration of the present invention, the free edges of both upper covers can be brought sufficiently close to each other, and the slit width can be made as narrow as possible to prevent paint transfer, thereby making it possible to omit the sealing material.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 5. Reference numeral 1 denotes a painting room (processing room) formed by a surrounding wall 2, the floor of which is composed of a porous floor plate 3, and a suction path 4 is formed below the porous floor plate 3. Reference numeral 5 denotes a pair of left and right upper covers, which are installed through a groove 6 formed in the porous floor plate 3, and have lower ends fixed to the porous floor plate 3 via an angle member 8 with a slit 7 formed on the upper surface side. Ru. Below these upper covers 5, rails for supporting and guiding the truck 10 are arranged. That is, 11 is a trolley device supported and guided by a pair of left and right rails 12,
A front trolley 13, a pair of front and rear load trolleys 14, 15, a rear trolley 16, a front connecting rod 17 that connects the front trolley 13 and the load trolley 14 in a relatively swingable manner, and the load trolley 15.
and a rear connecting rod 18 that connects the rear trolley 16 and the rear trolley 16 in a relatively swingable manner, and both load trolleys 14 and 15.
The processing object support device 19 also serves as a connecting rod between the two. Each trolley 13 to 16 is connected to the main body 2
A pair of front and rear trolley wheels 24, 25, 26, and 27 are provided on both sides of the rails 0, 21, 22, and 23, respectively, and these trolley wheels 24 to 27 are supported and guided by the rail 12. Also, the main body 20 to 23
has guide rollers 28, 29, 30, and 31 guided to the upper and lower inner ends of the rail 12. The support device 19, which also serves as the connecting rod, is composed of a frame 33 having receivers 32 at multiple locations on the upper surface side, and the slit 7 is inserted from the front and rear of this frame 33.
Connecting pins 34 and 35 passing through are vertically provided, and portal frames 36 and 37 are attached to the lower ends of these connecting pins 34 and 35. and the load trolleys 14, 15
The upper part of the trunnion 38 and the portal frame 36, 37 are connected to the trunnion 38,
39. Trolley device 1 mentioned above
1, a processing object support device 19, a connecting pin 34,
35, portal frames 36, 37, and trunnions 38, 39 constitute a truck 10, and the rail 12 is designed to form a suction flow path 40 between the outer edge of its upper surface and the lower end of the upper cover 5. will be placed. On the lower surface of the angle member 8, a portal frame 36,
A steady rest rail 55 is attached to both ends of the roller 37 to support and guide the rollers 53 and 54 attached thereto. The connecting pins 34, 35 have a pair of left and right groove-shaped recesses 56A, 56B, 57A, 57B that are vertically displaced H.
These recesses 56A, 56
B, 57A, 57B are the free edges 5 of the upper cover 5.
a and 5b are placed in the plunge position. Said rail 12
A pair of left and right guide rails 41 are arranged below the rail 12, and this guide rail 41
guides a truck drive device 42 such as a chain type. Driving protrusions 44 are provided at a plurality of locations on the trolley drive device 42 at predetermined intervals, the drive protrusions 44 being able to engage and disengage from the passive protrusions 43 formed on the lower front surface of the front trolley 13 . Also, from rear trolley 16,
A stopper plate 45, on which the front end of the drive protrusion 44 can freely come into contact, is connected to the rear. The rail 12 and the guide rail 41 are integrated at predetermined intervals in the length direction by shaped yokes 46, and these yokes 4
6 is attached to the pedestal 48 side via a fixture 47. The upper part of the yoke 46 and the steady rest rail 55 are integrated via a support bracket 49 or the like. Reference numeral 50 denotes a pair of left and right lower covers, which surround the bogie drive device 42 and have their upper ends attached to the rail 12 side. 58
59 indicates a car body, which is an example of the object to be processed, and 59 indicates a fixed path. A spray-type coating device (an example of a processing device) 60 is disposed within the coating room 1 .

The operation of the above embodiment will be explained below. body 5
The carriage 10 supporting the
receives the power of the truck drive device 42 by engaging with the drive protrusion 44 . As a result, the trolley 10 enters the painting room 1, and while traveling in the painting room 1, the painting device 60 performs the desired painting on the body 58, and then leaves the painting room 1. During the painting operation, the suction force on the side of the suction path 4 acts on the porous floorboard 3, and the excess paint in the painting room 1 is suctioned and removed. During the above-mentioned running, the connecting pins 34, 35 close to their recesses 56A, 56B, 37.
Since the free edges 5a, 5b of the upper cover 5 are moved in the state of being pushed into A, 37B, the free edges 5a, 5b displaced vertically H can be brought sufficiently close together to make the slit 7 narrow. The paint can be made difficult to transfer through the slit 7. Also, suction path 4
Due to the suction force of the slit 7 as shown in Fig.
A flow is generated from the paint chamber 1 through the suction channel 40 to the suction channel 4, and therefore, a small amount of paint that has passed through the slit 7 from inside the painting chamber 1 moves along with this flow and enters the rail 12. No, lower cover 5
It will move outside of 0.

In addition, in FIG. 1, the recesses 56A, 56B, 57
The amount of displacement H and the amount of recess L of A, 57B are set so that the connecting pins 34, 35 can maintain sufficient strength and the width of the slit 7 can be made as narrow as possible.

FIGS. 6 and 7 show another embodiment. That is, an annular recess 56 at one location of the connecting pins 34 and 35,
57, and the free edges 5a, 5b are formed into a common recess 5.
6,57 are being rushed into both sides. Also, Figure 8,
FIG. 9 shows groove-shaped recesses 56A, 56B, 57A, 57B at the same level on both sides of the connecting pins 34, 35.
Another example is shown below.

Effects of the Invention According to the present invention having the above structure, by positioning the free edges of the upper cover to protrude into the recesses formed in the connecting pins, the free edges of the upper cover can be brought sufficiently close to each other, and the slit width can be increased. It is possible to make the paint as narrow as possible, making it difficult for paint to transfer, thereby eliminating the need for sealants, etc., which often require repair.

[Brief explanation of the drawing]

1 to 5 show an embodiment of the present invention, in which FIG. 1 is a vertical sectional front view of the main part, FIG. 2 is a cross-sectional plan view of the same, FIG. 3 is a partially cutaway side view, and FIG. The figure is a partially cutaway side view, FIG. 5 is a vertical front view, FIG. 6 is a vertical front view of the main part showing another embodiment, FIG. 7 is a cross-sectional plan view of FIG. 6, and FIG. FIG. 9 is a longitudinal sectional front view of the main parts showing yet another embodiment, and FIG. 9 is a transverse plan view of FIG. 8. 1... Painting room (processing room), 2... Surrounding wall body, 3...
...Porous floorboard, 4...Suction path, 5...Top cover, 5a, 5b...Free edge, 7...Slit, 10
... Trolley, 11 ... Trolley device, 12 ... Rail, 13 ... Front trolley, 14, 15 ... Road trolley, 16 ... Rear trolley, 19 ... Processed object support device, 34, 35 ... Connection pin , 40...
... Suction channel, 41 ... Guide rail, 42 ... Cart drive device, 43 ... Passive projection, 44 ... Drive projection, 46 ... Yoke, 50 ... Lower cover, 50
a... Locking part, 50b... Fitting part, 51... Locked tool, 52... Fitted tool, 56, 57, 56A,
56B, 57A, 57B... recess, 58... body (object to be treated), 59... constant path, 60... coating device (processing device).

Claims (1)

[Scope of utility model registration request] A porous floor plate partitions an upper processing chamber and a lower suction passage, and a pair of left and right upper covers with slits formed on the upper surface side is arranged on the floor plate side, and a rail is arranged below these upper covers. a trolley device installed and supported and guided by the rail;
A trolley is provided which is constructed of a connecting pin that stands upright from the trolley device and passes through the slit, and a workpiece support device that is attached to the connecting pin and is located within the processing chamber, and a truck driving device is provided below the rail. A processing device using a trolley, characterized in that a recess is formed on both sides of the connecting pin, and a free edge of an upper cover is positioned to protrude into the recess on both sides of the connecting pin.