Annular coating tool cleaning device and method

Abstract

The invention discloses an annular coating tool cleaning device and method, and relates to the technical field of coating tool cleaning, the annular coating tool cleaning device comprises a cleaning mechanism and a cleaning solvent box, the cleaning mechanism comprises a left side cleaning mechanism and a right side cleaning mechanism, and the left side cleaning mechanism comprises a compressed air connector and a solvent punch; a scraper fixing rotating shaft is arranged on a rotating shaft of the pneumatic motor, the scraper is connected with the scraper fixing rotating shaft, and the right side cleaning mechanism comprises a solvent recovery connector. The cleaning solvent box comprises a solvent box body and a solvent adding groove, the solvent box body is provided with a filtering grid and a solvent recycling opening, the solvent recycling opening is connected with the solvent recycling connector, the solvent adding groove is provided with a solvent outlet, and the solvent outlet is connected with the solvent punch. According to the device, the annular coating tool can be regularly cleaned according to the process requirements in the coating process, and the problems that coating is discontinuous and the coating layer quality is poor due to the fact that the annular coating tool is not clean are solved.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning of coating tooling, in particular to a device and method for cleaning an annular coating tooling. Background Art

[0002] Most of the solvents in the liquid coating agent used for propellant coating are volatile. After the solvent evaporates, the coating agent will solidify quickly. When using an annular coating tool for coating, if the solidified coating agent is not cleaned in time, it will form a hard block that blocks the discharge port, affecting the continuity of the coating. The hard block may also cause scratches or gaps in the coating layer during the propellant coating process, thereby affecting the quality of the coating layer and the use of the product. Based on this, a cleaning device and method for an annular coating tool are designed, which can realize the regular cleaning of the annular coating tool according to the process requirements during the coating process, greatly improving the reliability and continuity of the coating equipment during coating. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an annular coating tooling cleaning device and method, which can realize the regular cleaning of the annular coating tooling according to the process requirements during the coating process, and reduce the problems of discontinuous coating and poor coating layer quality caused by unclean annular coating tooling.

[0004] The objective of the present invention is achieved through the following technical scheme: a ring-shaped coated tool cleaning device, the device includes a cleaning mechanism and a cleaning solvent tank, the cleaning mechanism includes a left cleaning mechanism and a right cleaning mechanism, the left cleaning mechanism includes a first pneumatic motor, a first scraper, a compressed air joint and a solvent punch, a scraper blade fixed rotating shaft is provided on the rotating shaft of the first pneumatic motor, and the first scraper is connected to the scraper blade fixed rotating shaft, the right cleaning mechanism includes a solvent recovery joint, a second pneumatic motor and a second scraper, a second scraper blade fixed rotating shaft is provided on the rotating shaft of the second pneumatic motor, and the second scraper is connected to the second scraper blade fixed rotating shaft.

[0005] The cleaning solvent box includes a solvent box body and a solvent adding tank, a filter grid is arranged inside the solvent box body, and a solvent recovery port is arranged in the solvent box body, the solvent recovery port is connected to the solvent recovery joint, and the solvent adding tank is provided with a solvent outlet, and the solvent outlet is connected to the solvent punch.

[0006] The solvent adding tank is provided with a diaphragm pump.

[0007] The left cleaning mechanism also includes a first cleaning jig shell, which is movably sleeved on the outside of the rotating shaft of the first pneumatic motor, and a solvent joint is provided through the first cleaning jig shell, and the solvent outlet is connected to the solvent punch through the solvent joint.

[0008] The first cleaning tool housing is also provided with a first cleaning tool sealing ring.

[0009] The right cleaning mechanism also includes a second cleaning jig shell, which is movably sleeved on the outer side of the rotating shaft of the second pneumatic motor, and the solvent recovery joint is arranged on the second cleaning jig shell.

[0010] The second cleaning tool housing is also provided with a second cleaning tool sealing ring.

[0011] The left cleaning mechanism is connected to the first cylinder, and the right cleaning mechanism is connected to the second cylinder.

[0012] The first scraper blade and the second scraper blade are both made of EPDM material.

[0013] A method for cleaning an annular coating tool, the method comprising the following steps:

[0014] S1, fixed annular covering tooling.

[0015] S2. Use the cylinder to push the left cleaning mechanism and the right cleaning mechanism closer to each other, move them to both sides of the annular wrapping tooling, and clamp the annular wrapping tooling to form a closed cleaning space.

[0016] S3. The first pneumatic motor drives the first scraper to rotate, and the second pneumatic motor drives the second scraper to rotate, so as to scrape off the residual coating agent on the annular coating tooling. At the same time, the solvent in the solvent adding tank is pumped to the solvent punch, and the solvent is sprayed out through the solvent punch to wash away the residual coating agent materials scraped by the first scraper and the second scraper. The residual coating agent materials are discharged and recovered into the solvent box through the solvent recovery connector of the right cleaning mechanism.

[0017] S4. After the mixture of the solvent and the residual coating agent material in the solvent box is filtered through a filter grid, the residual coating agent material on the filter grid is recycled.

[0018] S5. Add the solvent filtered through the filter grid into the solvent adding tank, and continue to use it to clean the residual coating agent material of the annular coating tooling.

[0019] S6. After flushing is completed, air is pumped into the annular coating tooling through the compressed air joint to discharge the residual solvent from the solvent recovery joint, and finally the cleaning of the annular coating tooling is completed.

[0020] The beneficial effects of the present invention are:

[0021] 1. The present invention can realize regular cleaning of the annular coating tooling during the coating process according to the process requirements, thereby reducing the problems of discontinuous coating and poor coating layer quality caused by unclean annular coating tooling.

[0022] 2. In the present invention, a solvent is involved in the cleaning process of the scraper blade. The solvent can dissolve and soften the residual coating agent, thereby reducing damage to the annular coating tooling. At the same time, the solvent used for cleaning can be recycled repeatedly, and the residual coating agent cleaned out can also be reused, which greatly reduces the waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the cleaning mechanism;

[0024] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of ;

[0025] Figure 3 It is a schematic diagram of the structure of the cleaning solvent tank;

[0026] In the figure: 1-first pneumatic motor, 2-first scraper, 4-solvent joint, 5-first scraper fixed rotating shaft, 6-first cleaning fixture sealing ring, 7-first cleaning fixture housing, 8-compressed air joint, 11-solvent recovery joint, 12-second pneumatic motor, 13-second scraper, 14-second cleaning fixture housing, 15-second cleaning fixture sealing ring, 16-second scraper fixed rotating shaft, 21-diaphragm pump, 22-filter grid, 23-solvent addition tank, 24-solvent recovery port, 25-solvent outlet. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] In one embodiment of the present application:

[0030] like Figures 1 to 3As shown, a ring-shaped coated tool cleaning device includes a cleaning mechanism and a cleaning solvent tank, the cleaning mechanism includes a left cleaning mechanism and a right cleaning mechanism, the left cleaning mechanism includes a first pneumatic motor 1, a first scraper 2, a compressed air joint 8 for introducing high-pressure air and a solvent punch, a first scraper fixed rotating shaft 5 is arranged on the rotating shaft of the first pneumatic motor 1, and the first scraper 2 is connected to the first scraper fixed rotating shaft 5, the right cleaning mechanism includes a solvent recovery joint 11, a second pneumatic motor 12 and a second scraper 13, a second scraper fixed rotating shaft 16 is arranged on the rotating shaft of the second pneumatic motor 12, and the second scraper 13 is connected to the second scraper fixed rotating shaft 16.

[0031] The cleaning solvent box includes a solvent box body and a solvent adding tank 23. A filter grid 22 is arranged inside the solvent box body, and the solvent box body is provided with a solvent recovery port 24, which is connected to the solvent recovery connector 11. The solvent adding tank 23 is provided with a solvent outlet 25, which is connected to the solvent punch.

[0032] The solvent addition tank 23 is provided with a diaphragm pump 21 .

[0033] The left cleaning mechanism also includes a first cleaning jig housing 7, which is movably sleeved on the outside of the rotating shaft of the first pneumatic motor 1, and a solvent connector 4 is provided through the first cleaning jig housing 7, and the solvent outlet 25 is connected to the solvent punch through the solvent connector 4.

[0034] A first cleaning jig sealing ring 6 is also provided on the first cleaning jig housing 7 .

[0035] The right cleaning mechanism further includes a second cleaning jig housing 14 , which is movably sleeved on the outer side of the rotating shaft of the second pneumatic motor 12 , and the solvent recovery connector 11 is disposed through the second cleaning jig housing 14 .

[0036] The second cleaning tool housing 14 is also provided with a second cleaning tool sealing ring 15 .

[0037] The left cleaning mechanism is connected to the first cylinder, and the right cleaning mechanism is connected to the second cylinder.

[0038] The first scraper 2 and the second scraper 13 are both made of EPDM material. Fix the annular coating tooling at the specified position, start the first cylinder and the second cylinder, the first cylinder pushes the left cleaning mechanism, and the second cylinder pushes the right cleaning mechanism closer to each other, and moves to the two sides of the annular coating tooling, so that the first cleaning jig shell 7 and the second cleaning jig shell 14 are against the two sides of the annular coating tooling and clamp the annular coating tooling, and the left and right openings of the inner cavity of the annular coating tooling are blocked by the left cleaning mechanism and the right cleaning mechanism to form a closed cleaning space, the first pneumatic motor 1 drives the first scraper 2 to start rotating, and the second pneumatic motor 12 drives the second scraper 13 to start rotating, and the residual coating agent on the annular coating tooling is scraped off. At the same time, the diaphragm pump 21 is started to add the solvent in the solvent addition tank 23. The solvent is hit to the solvent punch through the solvent joint 4 and sprayed out through the solvent punch. The solvent can wash away the residual coating agent materials scraped off by the first scraper 2 and the second scraper 13, and is discharged and recovered to the solvent box through the solvent recovery joint 11 of the right cleaning mechanism. The mixture of the solvent and the residual coating agent materials in the solvent box is filtered through the filter grid 22. The residual coating agent materials on the filter grid 22 can be recycled. The solvent filtered by the filter grid 22 flows into the solvent adding tank 23 and continues to be used to clean the residual coating agent materials of the annular coating tooling. After the flushing is completed, high-pressure air is blown into the closed cleaning space through the compressed air joint 8 to discharge the residual solvent from the solvent recovery joint 11, and finally the cleaning of the annular coating tooling is completed.

[0039] In another embodiment of the present application:

[0040] A method for cleaning an annular coating tool, the method comprising the following steps:

[0041] S1. Install the annular wrapping tool cleaning device next to the annular wrapping tool. During cleaning, fix the annular wrapping tool at a designated position according to the set cleaning frequency of the annular wrapping tool.

[0042] S2. Start the cylinder and use it to push the left cleaning mechanism and the right cleaning mechanism closer to each other, move them to both sides of the annular wrapping tooling, and clamp the annular wrapping tooling to form a closed cleaning space.

[0043] S3, the first pneumatic motor 1 drives the first scraper 2 to rotate, and the second pneumatic motor 12 drives the second scraper 13 to rotate, so as to scrape off the residual coating agent on the annular coating tooling. At the same time, the solvent in the solvent addition tank 23 is pumped to the solvent punch, and the solvent is sprayed out through the solvent punch to wash away the residual coating agent materials scraped by the first scraper 2 and the second scraper 13. The residual coating agent materials are discharged and recovered into the solvent box through the solvent recovery connector 11 of the right cleaning mechanism.

[0044] S4. After the mixture of the solvent and the residual coating agent material in the solvent box is filtered through the filter mesh 22, the residual coating agent material on the filter mesh 22 is recycled.

[0045] S5. Add the solvent filtered by the filter grid 22 into the solvent adding tank 23, and continue to be used to clean the coating agent residual materials of the annular coating tooling.

[0046] S6. After the flushing is completed, air is pumped into the annular coating tooling through the compressed air joint 8 to discharge the residual solvent from the solvent recovery joint 11, and finally the cleaning of the annular coating tooling is completed.

[0047] The above is only an embodiment of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art shall not deviate from the spirit and scope of the present invention, and shall be within the scope of protection of the claims attached to the present invention.

Claims

1. An annular coating tool cleaning device, characterized in that: The invention comprises a cleaning mechanism and a cleaning solvent tank, wherein the cleaning mechanism comprises a left cleaning mechanism and a right cleaning mechanism, wherein the left cleaning mechanism comprises a first pneumatic motor (1), a first scraper blade (2), a pressure-air joint (8) and a solvent punch, wherein a first scraper blade fixed rotating shaft (5) is arranged on the rotating shaft of the first pneumatic motor (1), and the first scraper blade (2) is connected to the first scraper blade fixed rotating shaft (5), and the right cleaning mechanism comprises a solvent recovery joint (11), a second pneumatic motor (12) and a second scraper blade (13), wherein a second scraper blade fixed rotating shaft (16) is arranged on the rotating shaft of the second pneumatic motor (12), and the second scraper blade (13) is connected to the second scraper blade fixed rotating shaft (16); The cleaning solvent box comprises a solvent box body and a solvent adding tank (23), a filter grid (22) is arranged inside the solvent box body, and the solvent box body is provided with a solvent recovery port (24), the solvent recovery port (24) is connected to the solvent recovery joint (11), and the solvent adding tank (23) is provided with a solvent outlet (25), and the solvent outlet (25) is connected to the solvent punch.

2. The annular coating tool cleaning device according to claim 1, characterized in that: The solvent addition tank (23) is provided with a diaphragm pump (21).

3. The annular coating tool cleaning device according to claim 1, characterized in that: The solvent adding tank (23) is communicated with the solvent box.

4. The annular coating tool cleaning device according to claim 1, characterized in that: The left cleaning mechanism further comprises a first cleaning jig housing (7), the first cleaning jig housing (7) being movably sleeved on the outside of the rotating shaft of the first pneumatic motor (1), and a solvent joint (4) being provided through the first cleaning jig housing (7), and the solvent outlet (25) being connected to the solvent punch via the solvent joint (4).

5. The annular coating tool cleaning device according to claim 4, characterized in that: A first cleaning tool sealing ring (6) is also provided on the first cleaning tool housing (7).

6. The annular coating tool cleaning device according to claim 1, characterized in that: The right cleaning mechanism further comprises a second cleaning jig housing (14), the second cleaning jig housing (14) being movably sleeved on the outer side of the rotating shaft of the second pneumatic motor (12), and the solvent recovery joint (11) being arranged through the second cleaning jig housing (14).

7. The annular coating tool cleaning device according to claim 6, characterized in that: The second cleaning tool housing (14) is also provided with a second cleaning tool sealing ring (15).

8. The annular coating tool cleaning device according to claim 1, characterized in that: The left cleaning mechanism is connected to the first cylinder, and the right cleaning mechanism is connected to the second cylinder.

9. The annular coating tool cleaning device according to claim 1, characterized in that: The first scraper blade (2) and the second scraper blade (13) are both made of EPDM material.

10. A method for cleaning an annular coated tool, using an annular coated tool cleaning device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, fixed annular covering tooling; S2. Use the cylinder to push the left cleaning mechanism and the right cleaning mechanism closer to each other, move them to the two sides of the annular wrapping tooling, and clamp the annular wrapping tooling to form a closed cleaning space; S3, the first pneumatic motor (1) drives the first scraper (2) to rotate, and the second pneumatic motor (12) drives the second scraper (13) to rotate, so as to scrape off the residual coating agent on the annular coating tooling. At the same time, the solvent in the solvent adding tank (23) is pumped to the solvent punch, and the solvent is sprayed out through the solvent punch to wash away the residual coating agent material scraped off by the first scraper (2) and the second scraper (13). The residual coating agent material is discharged and recovered into the solvent box through the solvent recovery connector (11) of the right cleaning mechanism; S4, after the mixture of the solvent and the residual material of the coating agent in the solvent box is filtered through the filter grid (22), the residual material of the coating agent on the filter grid (22) is recycled; S5, adding the solvent filtered by the filter grid (22) into the solvent adding tank (23), and continuing to be used to clean the coating agent residual material of the annular coating tooling; S6. After the flushing is completed, air is pumped into the annular coating tooling through the compressed air joint (8) to discharge the residual solvent from the solvent recovery joint (11), thereby finally completing the cleaning of the annular coating tooling.

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