CN214107670U

CN214107670U - Coating device

Info

Publication number: CN214107670U
Application number: CN202023217332.5U
Authority: CN
Inventors: 曾庆林; 邹庆勇; 王晨; 任文峰; 彭忠良; 田兆辉; 王平; 吕新杰; 杨晨秋; 林玲
Original assignee: Hubei Hangpeng Chemical Power Technology Co Ltd
Current assignee: Hubei Hangpeng Chemical Power Technology Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-03
Anticipated expiration: 2030-12-28

Abstract

A coating device comprises a cylinder rotating device, a rotary coating head, a glue supply device and a feeding device; the cylinder rotating device comprises a pneumatic chuck and a driving motor which is in transmission connection with the pneumatic chuck through an eccentric reducer and is used for driving a workpiece to be processed to rotate at a low speed; the rotary coating head comprises a high-speed rotary disc which is arranged at the front end of the hollow cantilever through a hollow shaft motor; one end of the rotating disc, which faces the pneumatic chuck, is conical so as to facilitate the paint falling on the rotating disc to be thrown and splashed on the inner wall of the workpiece to be processed; the glue supply device comprises a glue supply pump and a glue pipe; the rubber tube is arranged in the hollow cantilever; the rear end of the rubber tube is connected with a rubber supply pump, and the rubber outlet at the front end of the rubber tube corresponds to the conical surface of the rotating disc; the feeding device is a single-shaft robot and comprises a sliding block and a driving device; the rear end of the hollow cantilever is arranged on the sliding block. The utility model is suitable for a coating of the great barrel of major diameter, compact structure, it is simple reliable, solved the difficult problem of coating high viscous paint of slim type barrel inner wall.

Description

Coating device

Technical Field

The utility model relates to a novel coating device specifically is a centrifugal coating device.

Background

The inner wall of the cylindrical barrel is uniformly coated with a coating, and the current common mode is that the barrel rotates and is coated by spraying and brushing. The coating has good fluidity and small viscosity and adopts spraying; and brush coating is adopted for poor fluidity and high viscosity. For a cylinder body with large diameter and short length, the coating can be realized by brush coating when the viscosity of the coating is high, but the coating uniformity is poor; in the case of a slim cylinder, however, it is difficult to achieve a relatively high paint viscosity.

Disclosure of Invention

The utility model aims to provide a coating device solves the problem that the coating of the inner wall of a slender cylinder in the prior art is difficult to realize.

The technical scheme of the utility model is that: comprises a cylinder body rotating device, a rotary coating head, a glue supply device and a feeding device which are directly or indirectly arranged on a supporting frame; the cylinder rotating device comprises a pneumatic chuck for clamping a workpiece to be processed and a driving motor which is in transmission connection with the pneumatic chuck through an eccentric reducer and is used for driving the workpiece to be processed to rotate at a low speed; the support frame is provided with a workpiece support which is used for supporting a workpiece to be processed in a matching way with the pneumatic chuck; the rotary coating head comprises a high-speed rotating disc which is arranged at the front end of the hollow cantilever through a hollow shaft motor; one end of the rotating disc, which faces the pneumatic chuck, is an inward concave conical surface so as to facilitate the coating falling on the rotating disc to be thrown and splashed on the inner wall of a workpiece to be processed through centrifugal force; the glue supply device comprises a glue supply pump and a glue pipe; the rubber tube is arranged in the hollow cantilever; the rear end of the rubber tube is connected with a rubber supply pump, and the position of a rubber outlet at the front end of the rubber tube corresponds to the conical surface of the rotating disc so that the coating dropped from the rubber outlet falls on the conical surface of the rotating disc; the feeding device is a single-shaft robot; the single-shaft robot comprises a sliding block and a driving device for driving the sliding block to move back and forth; the rear end of the hollow cantilever is arranged on the sliding block.

The workpiece support comprises more than two support rollers; the supporting rollers are arranged on the supporting frame through roller fixing frames.

The eccentric speed reducer is arranged on the supporting frame through the mounting seat.

The workpiece to be processed is cylindrical.

The utility model discloses a work piece low-speed is rotatory, the high-speed rotatory technical scheme of rotatory coating head, coating goes out the rubber mouth through the rubber tube and drips the conical surface at high-speed rotary disk, under the effect of centrifugal force, coating is got rid of the inner tube wall that spatters at the work piece, the work piece low-speed rotation, coating has certain adhesive force, the event is coated earlier coating in the work piece can not trickled and pile up because of gravity, the first stall of rotatory coating after the coating finishes, the work piece continues the low-speed rotation, reach the time that the technology was set for, coating is at the inner wall solidification of work piece, no longer have the trickling nature, can take off the work piece. The utility model is suitable for a coating of the great barrel of major diameter, compact structure, it is simple reliable, solved the difficult problem of coating high viscous paint of slim type barrel inner wall.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the workpiece support of the present invention.

Fig. 3 is a schematic structural view of the rotating disk of the present invention.

In the figure, 1 is a driving motor, 2 is a mounting base, 3 is an eccentric speed reducer, 4 is an air chuck, 5 is a workpiece, 6 is a support frame, 7 is a workpiece support, 701 is a support roller, 702 is a roller fixing frame, 8 is a rotating disc, 801 is a conical surface, 9 is a hollow shaft motor, 10 is a hollow cantilever, 11 is a rubber pipe, 12 is a rubber supply pump, 13 is a sliding block, and 14 is a driving device.

Detailed Description

In fig. 1, the utility model comprises a cylinder rotating device, a high-speed rotating coating head, a glue supply device and a feeding device.

The cylinder rotating device comprises a driving motor 1, an eccentric speed reducer 3, a pneumatic chuck 4, a mounting seat 2 and a workpiece support 7. A driving motor 1 is eccentrically installed on the left side of an eccentric speed reducer 3, a pneumatic chuck 4 is installed in the center of the right side of the eccentric speed reducer 3, and the eccentric speed reducer 3 is installed on an installation seat 2; the mounting block 2 and the workpiece support 7 are mounted on a support frame 6.

The high-speed rotary coating head comprises a rotary disk 8, a hollow shaft motor 9 and a hollow cantilever 10. The rotating disc 8 is arranged at the front end, and the hollow shaft motor 9 is arranged on the left side of the hollow cantilever 10; a passage is formed between the rotary disk 8, the hollow shaft motor 9 and the hollow cantilever 10.

The glue supply device comprises a glue tube 11 and a glue supply pump 12. The rubber tube 11 is connected with a rubber supply pump 12, the rubber tube 11 passes through a passage formed among the rotating disc 8, the hollow shaft motor 9 and the hollow cantilever 10, and a rubber outlet of the rubber tube 11 is positioned in the middle of the conical surface of the rotating disc 8.

The feeding device is a single-shaft robot arranged on the supporting frame 6 and comprises a slide block 13 and a driving device 14. The high-speed rotary coating head and the glue supply device are arranged on a slide block 13 of the single-shaft robot, and the rotary coating head can enter the workpiece 5 under the drive of a driving device 14. The driving device 14 includes a servo motor and a servo driver.

In fig. 2, the workpiece support 7 includes two or more support rollers 701, and the support rollers 701 are mounted on the support frame 6 via a roller mount 702.

In fig. 3, the end of the rotary disk 8 facing the air chuck 4 is formed as an inwardly concave tapered surface 801.

The utility model discloses during the use: first, the workpiece 5 is placed on the workpiece support 7 and clamped with the air chuck 4. And secondly, starting the driving motor 1, and driving the workpiece 5 to rotate at a low speed through the air chuck 4 arranged on the eccentric speed reducer 3. And thirdly, starting the driving device 14 to drive the slide block 13 to advance, so that the high-speed rotating coating head connected to the slide block 13 enters the right end of the workpiece 5. And fourthly, starting the hollow shaft motor 9 to drive the rotating disc 8 to rotate at a high speed. And a fifth step of simultaneously starting the glue supply pump 12 and the feeding device. The coating drips on the conical surface of the rotating disc 8 through the glue outlet of the rubber tube 11, and is thrown and splashed on the inner cylinder wall of the workpiece 5 under the action of centrifugal force. As the feeding device continues to advance, the coating is uniformly applied to the inner cylindrical wall of the workpiece 5. Meanwhile, the workpiece 5 rotates at a low speed, and the coating has a certain adhesive force, so that the coating coated in the workpiece 5 cannot flow and accumulate due to gravity. Sixthly, when the high-speed rotary coating head moves to the leftmost end of the workpiece 5, the inner wall of the workpiece 5 is uniformly covered by the coating. And after coating, firstly stopping the feeding device, then stopping the glue supply pump 12 of the glue supply device, then stopping the hollow shaft motor 9 of the high-speed rotary coating head, and finally driving the high-speed rotary coating head to reversely withdraw the workpiece 5 by the feeding device. And seventhly, the workpiece 5 continues to rotate at a low speed under the driving of the cylinder rotating device. And when the time set by the process is reached and the coating is solidified on the inner wall of the workpiece 5 and does not have the flowing property, stopping the driving motor 1 of the cylinder rotating device. And step eight, loosening the air chuck 4 and taking down the workpiece 5.

Claims

1. A coating apparatus, characterized by: comprises a cylinder body rotating device, a rotary coating head, a glue supply device and a feeding device which are directly or indirectly arranged on a supporting frame (6);

the cylinder rotating device comprises a pneumatic chuck (4) for clamping a workpiece (5) to be processed and a driving motor (1) which is in transmission connection with the pneumatic chuck (4) through an eccentric reducer (3) and is used for driving the workpiece (5) to be processed to rotate;

the support frame (6) is provided with a workpiece support (7) which is used for supporting the workpiece (5) to be processed in a matching way with the air chuck (4);

the rotary coating head comprises a rotary disk (8) which is arranged at the front end of a hollow cantilever (10) through a hollow shaft motor (9); one end of the rotating disc (8) facing the air chuck (4) is an inward concave conical surface so as to facilitate the paint falling on the rotating disc (8) to be thrown and splashed on the inner wall of the workpiece (5) to be processed through centrifugal force;

the glue supply device comprises a glue supply pump (12) and a glue tube (11); the rubber tube (11) is arranged in the hollow cantilever (10); the rear end of the rubber tube (11) is connected with a rubber supply pump (12), and the position of a rubber outlet at the front end of the rubber tube (11) corresponds to the conical surface of the rotating disc (8) so that the coating dropped from the rubber outlet falls on the conical surface of the rotating disc (8);

the feeding device is a single-shaft robot; the single-shaft robot comprises a sliding block (13) and a driving device (14) for driving the sliding block (13) to move back and forth; the rear end of the hollow cantilever (10) is arranged on the sliding block (13).

2. The coating apparatus of claim 1, wherein: the workpiece support (7) comprises more than two support rollers (701); the supporting rollers (701) are arranged on the supporting frame (6) through roller fixing frames (702).

3. The coating apparatus of claim 1, wherein: the eccentric speed reducer (3) is mounted on the support frame (6) through the mounting seat (2).