JPH04222656A - Coating machine - Google Patents

Abstract

PURPOSE:To enhance working efficiently by performing the feed-in of a work to a coating apparatus, the feed-out of the work from the coating apparatus and the mounting and detachment of a masking jig with respect to the non- painting surface of the work in a full-automatic manner. CONSTITUTION:The work 65 fed from a previous process is grasped by the grasping member 25 of a feed-in device 20 to be mounted on the work holding member 4 of a coating apparatus 1. The work 65 mounted on the work holding member 4 is moved to a predetermined position under rotation by the operation of the rotary member 2 of the coating apparatus 1 and a masking jig 16 is attached to the work 65 at that position by a masking apparatus 15 and the work 65 is painted by the spray gun 61 of the waiting apparatus 1. After the completion of painting, the rotary member 2 is again operated to move the work 65 to a predetermined position under rotation and the masking jig 16 is detached from the work by the masking apparatus 15 and the work is grasped by the grasping member 45 of a feed-out apparatus 40. As a result, the efficiency of coating work is enhanced.

Description

[Detailed description of the invention]

0001

[Industrial Field of Application] This invention relates to a coating machine, and in particular,
This relates to a fully automatic coating machine.

0002

[Prior Art] Generally, as shown in FIGS. 9 and 10,
There is a pulley-shaped workpiece 65 having a V-groove 66 on the outer peripheral surface, and the surface of the workpiece 65 is coated. Conventionally, in order to paint this type of workpiece 65, after masking the non-paintable surface, as shown in FIG. Painting is performed using a coating machine comprising a rotating device 80 and a coating device 83 having a vertically rotatable and swingable spray gun 82.

That is, an operator attaches a workpiece 65 to the spindle 81 of the rotating device 80, and while rotating the workpiece 65 in the horizontal direction by operating the rotating device 80, operates the coating device 83 and sprays the spray gun 82. While rotating and swinging in the vertical direction, the entire surface of the workpiece 65 is coated evenly.

However, in order to paint using the coating machine configured as described above, it is necessary to attach and detach a masking jig for masking the non-paintable surface of the work 65, and to
The loading and unloading work into and out of the coating machine in step 5 was done manually by workers, which resulted in very poor work efficiency and the problem that it took a long time to paint each workpiece. Ta.

[0005]

[Problems to be Solved by the Invention] This invention solves the problems of the conventional products as described above.
The purpose of the present invention is to provide a coating machine that can significantly improve work efficiency by completely automating the attachment and detachment of a masking jig for masking unpaintable surfaces of a workpiece, and the loading and unloading of a workpiece into a coating machine. It is something.

[0006]

[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a structure in which a clamping member that clamps a workpiece is movable in the vertical and horizontal directions, rotatable in the horizontal direction, and positioned at a predetermined position. A carry-in device that is capable of being installed, and a plurality of work holding members that hold the work held by the holding members are provided concentrically at predetermined intervals, and the work holding members are rotatable in the horizontal direction, and a plurality of work holding members that hold the work held by the holding members are provided, and a coating device consisting of a rotating member that can be positioned at a certain position, a spray gun that is rotatable and swingable in the vertical direction and that paints the workpiece; A masking device that attaches a masking jig to the non-paintable surface of the workpiece and a holding member that holds the workpiece coated with the coating device are movable in the vertical and horizontal directions, and the a carry-out device that is rotatable and positioned at a predetermined position; the workpiece held by the carry-in device is carried into the coating device, and the masking device masks the non-coatable surface of the workpiece. A method is adopted in which a jig is attached and the spray gun is used to apply the coating, and then the masking jig is removed by operating the masking device, and the work is clamped and carried out of the coating device by operating the carrying-out device. It is something.

[0007]

[Operation] By adopting the above-mentioned means, this invention
The workpiece transported from the previous process is carried into the coating device while being held by the holding member of the carry-in device, is held by the workpiece holding member of the coating device, and is rotated and positioned at a predetermined position by the operation of the rotating member. A masking jig is attached to the surface that cannot be painted using a masking device, and the surface is painted using a spray gun. Thereafter, it is rotated and positioned at a predetermined position by the operation of the rotating member, and the masking jig is removed by the operation of the masking device, and it is held by the holding members of the carry-out device and carried out to the outside.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the present invention shown in the drawings will be described below. 1 to 8 show a coating machine according to the present invention, in which FIG. 1 is a front view showing the whole, FIG. 2 is a plan view, FIG. 3 is a left side view, and FIG. 4 is a partially enlarged view of the one shown in FIG. 1. 5 is a plan view of what is shown in FIG. 4, FIG. 6 is a front view of the workpiece holding member, FIG. 7 is a plan view of FIG. 6, and FIG. 8 is an explanatory diagram showing the relationship between the workpiece holding member and the drive member. It is.

That is, this coating machine includes a coating device 1 that performs painting, a carrying device 20 that carries a workpiece 65 to be painted (hereinafter referred to as a workpiece) into the coating device 1, and
a masking device 15 for masking the unpaintable surface of the painting device 15, and a carrying-out device 40 for carrying the workpiece 65 out of the coating device 1.
It is equipped with.

The carrying device 20 is horizontally supported by a rotary actuator 21, which is a rotating member mounted on a base 70, and a rotating shaft 22, which is rotatably erected on the base 70 via bearings 23, 23. The holding member 25 is attached to be movable up and down via a shaft 24 (see FIGS. 4 and 5).

The clamping member 25 consists of L-shaped claws 26, 26 that clamp the workpiece 65, and an opening/closing cylinder 27 that opens and closes the claws 26, 26. The opening/closing cylinder 27 has a mounting plate 28. One end of the horizontal support shaft 24 is connected thereto.

A drive gear 29 is attached to the rotary actuator 21, and the rotary shaft 2
A driven gear 30 that meshes with the drive gear 29 is attached to the rotary actuator 2.
1, the rotating shaft 22 rotates via a driving gear 29 and a driven gear 30.

The horizontal support shaft 24 is mounted on the rotation shaft 22.
A guide 31 is movably mounted, and a rod 34 of a vertically moving cylinder 32 is connected to this guide 31, and a cylinder main body 33 of this vertically moving cylinder 32 is connected to the rotating shaft. The guide 31 is fixed to a driven gear 30 attached to the rotary shaft 22, so that the guide 31 moves vertically on the rotating shaft 22 by the operation of the vertically moving cylinder 32.

A cylinder body 36 of a horizontally moving cylinder 35 is attached to the upper part of the guide 31, and
The rod 37 of this horizontally moving cylinder 35 is connected to the mounting plate 28 of the holding member 25, so that the holding member 25 is moved in the horizontal direction by the operation of the horizontally moving cylinder 35.

Therefore, the clamping member 25 is connected to the rotary actuator 21 and the vertically moving cylinder 32.
And by the horizontal movement cylinder 35, it is movable in the vertical direction and horizontal direction, and can be rotated in the horizontal direction.

The coating apparatus 1 includes an index table 2 which is a rotating member, a rotary plate 3 mounted on the index table 2, and works 65 mounted on concentric circles on the rotary plate 3 at predetermined intervals. It is composed of a work holding member 4 that can be held (see FIGS. 4 to 7).

The work holding member 4 is connected to the rotating member 2.
It consists of a spindle 6 that is attached via a mounting bracket 5 to an upper clutch 7 that is integrally attached to the lower end of the spindle 6, and the spindle 6 is rotatable by bearings 8, 8 provided on the mounting bracket 5. (See Figure 6).

A drive member 9 is provided below the work holding member 4 and has a lower clutch 10 attached to its upper end that can be engaged with the upper clutch 7, and this drive member 9 is connected to the lower clutch 10. It is composed of a spline shaft 11, a push-up cylinder 12 attached to the lower end of the spline shaft 11, and an air motor 14 that rotates the spline shaft 11 via a belt 13. The work holding member 4 is rotated by pushing the clutch 10 upward and engaging the upper clutch 7, and operating the air motor 14 in this state (see FIG. 8).

The masking device 15 includes a chucking cylinder 17 that can hold a masking jig 16, a vertically moving cylinder 18 that vertically moves the chucking cylinder 17, and a vertically moving cylinder 18 that moves the vertically moving cylinder 18 horizontally. Horizontal movement cylinder 19 to move in the direction
The masking jig 16 held by the chucking cylinder 17 is moved to the vertically moving cylinder 18.
and the workpiece 6 by the operation of the horizontal movement cylinder 19.
5 (see Figure 1).

Similar to the carrying-in device 20, the carrying-out device 40 includes a rotary actuator 41 which is a rotating member mounted on a base 70, a bearing 43 on the base 70,
The holding member 45 is attached to a rotating shaft 42 which is rotatably erected via a horizontal support shaft 43 so as to be movable up and down (see FIGS. 4 and 5).

The holding member 45 is composed of I-shaped claws 46, 46 for holding the workpiece 65, and an opening/closing cylinder 47 for opening and closing the claws 46, 46. via the horizontal support shaft 4
One end of 4 is connected.

A drive gear 49 is attached to the rotary actuator 41, and the rotary shaft 4
A driven gear 50 that meshes with the drive gear 49 is attached to the rotary actuator 4.
1, the rotating shaft 42 is rotated by the driving gear 49,
It is configured to rotate via a driven gear 50.

The horizontal support shaft 44 is mounted on the rotation shaft 42.
A guide 51 is movably attached to the guide 51, which has a shaft passed through it in the horizontal direction, and a rod 54 of a vertically moving cylinder 52 is connected to this guide 51, and the cylinder body 53 of this vertically moving cylinder 52 is movably attached to the guide 51. It is fixed to a driven gear 50 that is integrally attached to the shaft 42, and therefore, the guide 51 is connected to the vertically moving cylinder 5.
2, it moves up and down on the rotating shaft 42.

A cylinder body 56 of a horizontally moving cylinder 55 is attached to the upper part of the guide 51, and
The rod 57 of this horizontal displacement cylinder 55 is connected to the mounting plate 48 of the clamping member 45, and therefore,
The holding member 45 is movable in the horizontal direction by the operation of the horizontal movement cylinder 55.

Therefore, the holding member 45 is movable in the vertical and horizontal directions, and can be rotated in the horizontal direction by the rotary actuator 41, the vertically moving cylinder 52, and the horizontally moving cylinder 55.

Note that 60 is a mounting bar for a spray gun 61 that sprays paint onto a workpiece 65 held by the workpiece holding member 4, and this mounting bar is connected to a drive motor 63 via a swing actuator 62. Therefore, the spray gun 61 attached to the mounting bar 60 is vertically rotatable and swingable by the operation of the drive motor 63 and the swing actuator 62.

Next, the effects of the above will be explained. First, the work 65 carried out from the previous process is placed on the work table 67 connected to the carry-in device 20, and the rotary actuator 21, vertical movement cylinder 32, and horizontal movement cylinder 35 of the carry-in device 20 are operated. ,
The clamping member 25 is positioned at the position of the workpiece 65, and the opening/closing cylinder 27 of the clamping member 25 is operated to clamp the workpiece 65 between the claws 26, 26 at the tips of the clamping member 25.

[0028] Then, the rotary actuator 2
1. The vertical movement cylinder 32 and the horizontal movement cylinder 35 are operated again, and the workpiece 6 held by the holding member 25 is
5 into the coating apparatus 1, the workpiece 65 is positioned at the position of the workpiece holding member 4 located at station 1 of the coating apparatus 1 (see FIG. 2), and the opening/closing cylinder 27 of the clamping member 25 is operated. Then, the workpiece 65 is mounted on the spindle 6 of the workpiece holding member 4.

After the workpiece 65 is attached to the spindle 6 of the workpiece holding member 4, the holding member 25 returns to its original position by the operation of the rotary actuator 21, the vertical movement cylinder 32, and the horizontal movement cylinder 35. It waits until the next workpiece 65 is input from the previous process.

Next, the index table 2 of the coating device 1 is operated to position the workpiece holding member 4 on which the workpiece 65 is attached to the station (see FIG. 2), and in this state, the masking device 15 is operated. The horizontal movement cylinder 19 and the vertical movement cylinder 18 are operated to position the masking jig 16 at the position of the work 65 on the work holding member 4, and then the chucking cylinder 17 is operated to move the masking jig 16 to the work 65. Attach to.

At this station (2), the push-up cylinder 12 of the drive member 9 located below the workpiece holding member 4 is operated, and the upper clutch 7 at the lower end of the workpiece holding member 4 is connected to the lower part of the drive member 9. clutch 10
are engaged with each other, and in this state, the air motor 14 of the drive member 9
to rotate the workpiece holding member 4 in the horizontal direction,
The work 65 is rotated together with the work holding member 4.

In this state, the spray gun 61 attached to the mounting bar 60 is rotated and swung in the vertical direction by operating the drive motor 63 and the swing actuator 62 to spray paint onto the workpiece. Start painting 65.

In this way, the workpiece 65 is painted while being rotated by the driving member 9.
5 is completely coated, and when the coating is finished, the spray gun 61 stops blowing out the paint, and the push-up cylinder 12 of the drive member 9 is activated to return the lower clutch 10 to its original position. Then, the upper clutch 7 and the lower clutch 10 are disengaged, and the rotation of the workpiece holding member 4 is stopped.

Thereafter, the index table 2 of the coating device 1 is operated again to position the workpiece 65 at station (2) (see FIG. 2), and the horizontal movement cylinder 19 and the vertical movement cylinder 18 of the masking device 15 are again operated. Activate the chuck king cylinder 17.
is positioned at the position of the work 65, the chuck king cylinder 17 is operated to clamp the masking jig 16 attached to the work 65, and the vertical movement cylinder 18 and the horizontal movement cylinder 19 are operated again. The masking jig 16 is removed from the workpiece 65 and returned to a predetermined position.

Next, the rotary actuator 41, the horizontal movement cylinder 55, and the vertical movement cylinder 52 of the unloading device 40 are operated to move the claws 46, 4 of the holding member 45.
6 is positioned at the position of the workpiece 65, and at the same time, the push-up cylinder 76 of the push-up device 75 connected to the carry-out device 40 is operated to push up the push-up plate 77 upward, and the workpiece 65 on the workpiece holding member 4 is moved upward. In this state, the opening/closing cylinder 47 of the clamping member 45 is operated to clamp the workpiece 65 between the claws 46, 46, and the vertically moving cylinder 52, horizontally moving cylinder 55 and rotary actuator 41 are again moved. It is activated to remove the work 65 from the work holding member 4 of the coating apparatus 1 and carry it out of the coating apparatus 1.

Note that after the workpiece 65 is clamped, the push-up plate 77 of the push-up device 75 returns to its original position.

In this way, one cycle of painting the workpiece 65 is completed, and the workpiece 65 transported from the previous process is
will be painted sequentially.

As described above, in the coating machine according to the present invention, the workpiece 65 can be carried into the coating device 1, the workpiece 65 can be carried out from the coating device 1, and the workpiece 65 can be painted without manual work by the operator. Attachment and detachment of the masking jig 16 to and from impossible surfaces and painting of the workpiece 65 can be performed fully automatically mechanically, and therefore work efficiency can be significantly improved.

[0039] In addition, the coating equipment 1 that performs painting is equipped with
By using the index table 2 of the station, it is possible to carry in, paint, and take out the workpiece 65 at the same time.Therefore, it is possible to significantly shorten the time for painting each workpiece, and it is also possible to carry out multiple workpieces in succession. It will be possible to paint it.

Furthermore, the masking jig 16 for masking the non-paintable surface of the workpiece 65 can be attached to and removed from the workpiece 65 fully automatically.

[0041]

[Effects of the Invention] By having the above-described structure, the present invention fully automatically carries the workpiece into the coating device, carries the workpiece out of the coating device, and attaches and removes the masking jig to the non-coatable surface of the workpiece. This means that work efficiency can be significantly improved. In addition, multiple workpiece holding members that hold workpieces are installed at predetermined intervals on a rotating member that can be rotated and positioned, and painting is performed on the rotating member, making it possible to carry in workpieces, paint, and take out workpieces at the same time. Therefore, the coating time per workpiece can be significantly shortened, which has excellent effects such as significantly improving productivity.

[Brief explanation of the drawing]

FIG. 1 is a front view showing the entire coating machine according to the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a left side view of FIG. 1.

FIG. 4 is a partially enlarged front view of what is shown in FIG. 1;

FIG. 5 is a plan view of what is shown in FIG. 4;

FIG. 6 is a front view showing the workpiece holding member.

FIG. 7 is a plan view of what is shown in FIG. 6;

FIG. 8 is an explanatory diagram showing the relationship between a workpiece holding member and a driving member.

FIG. 9 is a plan view showing the workpiece.

FIG. 10 is a longitudinal cross-sectional view of what is shown in FIG. 9;

FIG. 11 is a front view of a conventional coating machine.

[Explanation of symbols] 1, 83...Painting device 2...Rotating member (index table) 3...Rotating plate 4, 81...Work holding member 5...Mounting bracket 6...Spindle 7...Upper clutch 8, 23, 43... Bearing 9... Drive member 10... Lower clutch 11... Spline shaft 12... Push-up cylinder 13... Belt 14... Air motor 15... Masking device 16... Masking jig 17... Chat King cylinders 18, 32, 52... Vertical movement cylinders 19, 35,
55...Cylinder for horizontal movement 20...Carrying device 21, 41...Rotating member (rotary actuator)
22, 42... Rotating shafts 24, 44... Horizontal support shafts 25, 45... Holding members 26, 46... Claws 27, 47... Opening/closing cylinders 28, 48... Mounting plates 29, 49... Drive gear 30, 50...Driver gear 31, 51...Guide 33, 36, 53, 56...Cylinder body 34, 37,
54, 57... Rod 40... Unloading device 60... Mounting bars 61, 82... Spray gun 62... Oscillating actuator 63... Drive motor 65... Workpiece 66... V-groove 70... Base 75... ...Pushing device 76...Pushing cylinder 77...Pushing plate 80...Rotating device

Claims (1)

[Claims] [Claim 1] A holding member (
25) is provided to be movable in the vertical and horizontal directions, rotatable in the horizontal direction, and positionable at a predetermined position, and the workpiece (65) held by the holding member (25). A rotating member (2) in which a plurality of workpiece holding members (4) for holding the workpieces are provided at predetermined intervals on concentric circles, and the workpiece holding members (4) can be rotated horizontally and positioned at a predetermined position. , a coating device (1) consisting of a spray gun (61) that is rotatable and swingable in the vertical direction and that paints the workpiece (65), and movable in the horizontal and vertical directions; The masking jig (16) can be positioned at a predetermined position, and the masking jig (16
), and a clamping member (
45) is provided with an unloading device (40) that is movable in the vertical and horizontal directions, rotatable in the horizontal direction, and positionable at a predetermined position, and the workpiece (45) held by the loading device (20) is provided with a 65) into the coating device (1), and the masking device (15) attaches a masking jig (16) to the non-paintable surface of the workpiece (65), and the spray gun (61) coats the workpiece (65) with the masking jig (16). conduct,
Thereafter, the masking jig (16) is removed by the operation of the masking device (15), and the unloading device (4) is removed.
0), the workpiece (65) is clamped and the coating device (
1) A coating machine that is characterized by being carried outside.