Spray gun driving mechanism for sand blasting machine

By introducing lateral and vertical driving components driven by servo motors into the sandblasting gun driving mechanism, the problems of rack meshing friction and insufficient accuracy are solved, and high-precision multi-dimensional adjustment of the spray gun is achieved, which improves the injection effect.

CN223289595UActive Publication Date: 2025-09-02WUHU LEIOU PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422316557.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-09-02
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The meshing friction between the racks in the gun driving mechanism of the sandblaster causes the rack life to be shortened, and high-precision vertical height adjustment cannot be achieved, affecting the spray gun spraying effect.

Method used

The lateral and vertical driving components driven by servo motor are used to drive the spray gun to adjust the lateral and vertical position through the same-directional and opposite-direction threaded rods, and the multi-dimensional movement of the spray gun is achieved by using the precise control of the servo motor.

Benefits of technology

The spray accuracy and range of the spray gun is improved, friction damage is reduced, high-precision position adjustment is achieved, and sandblasting effect is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spray gun driving mechanism for a sand blasting machine, which comprises a driving bracket, and a first servo motor is fixedly mounted on the outer side of the driving bracket; the transverse driving assembly is connected with the output end of the first servo motor; the vertical driving assembly is arranged on the outer side of the transverse driving assembly; and the spray gun body is mounted at the bottom of the vertical driving assembly. According to the spray gun driving mechanism for the sand blasting machine, by operating a first servo motor, the output end of the first servo motor drives a homodromous threaded rod to rotate, and the homodromous threaded rod rotates to drive a first threaded connector in threaded connection with the outer side to move left and right; and through left-right movement of the threaded connector, the supporting plate connected to the outer side of the guide block also moves left and right along with the threaded connector, so that the transverse position of the vertical driving assembly on the outer side is adjusted, and the spraying range of the spraying gun body to a workpiece is enlarged.
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Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting machines, in particular to a spray gun driving mechanism for a sandblasting machine. Background Art

[0002] Sandblasting machine is a kind of cleaning equipment that uses compressed air as power and compressed air as medium to spray the workpiece surface at high speed. There is an important part in the sandblasting machine, the spray gun, which sprays the raw materials to be sprayed onto the workpiece surface. The spray gun needs to be adjusted in position by the drive mechanism when working.

[0003] Application number CN201510967628.3 describes a wet sandblasting system and spray gun drive. The wet sandblasting system eliminates the dust pollution associated with traditional dry sandblasting, offering advantages such as a clean, pollution-free environment, convenient operation, and economical application. The spray gun drive enables three-dimensional movement of the spray gun. The workpiece is continuously sandblasted by the omnidirectional movement of the spray gun, rapidly removing excess burrs.

[0004] When adjusting the vertical height, the device adjusts the position by meshing the racks. However, the meshing of the racks will produce a certain amount of friction. Frequent friction will affect the life of the racks. In addition, there is a certain distance between the meshing racks. When adjusting the vertical height, the requirements of high-precision position adjustment cannot be achieved, thereby affecting the spraying effect of the spray gun.

[0005] In view of the above problems, it is urgent to carry out innovative design based on the original sandblasting machine spray gun drive mechanism structure. Utility Model Content

[0006] The purpose of the present utility model is to provide a spray gun drive mechanism for a sandblasting machine, so as to solve the problem proposed in the above background technology that the meshing of the racks will generate a certain amount of friction, and the frequent friction will affect the life of the racks. In addition, there is a certain distance between the meshing of the racks, and the requirement of high-precision position adjustment cannot be achieved when adjusting the vertical height, thereby affecting the spraying effect of the spray gun.

[0007] To achieve the above-mentioned object, the present utility model provides the following technical solution: a spray gun driving mechanism for a sandblasting machine, comprising a driving bracket, a first servo motor being fixedly mounted on the outer side of the driving bracket;

[0008] A transverse drive assembly connected to an output end of the first servo motor;

[0009] A vertical drive assembly, the vertical drive assembly being arranged outside the transverse drive assembly;

[0010] The spray gun body is mounted at the bottom of the vertical drive assembly, wherein

[0011] Driving the first servo motor, the lateral drive assembly can drive the vertical drive assembly to adjust the lateral position;

[0012] The vertical drive assembly is driven, and the vertical drive assembly can drive the spray gun body to adjust the upper and lower positions.

[0013] Preferably, the transverse drive assembly includes a co-directional threaded rod and a first threaded connector. The co-directional threaded rod is fixedly mounted on the output end of the first servo motor, and the outer side of the co-directional threaded rod is threadedly connected to the first threaded connector.

[0014] Preferably, the transverse drive assembly also includes a guide block, a guide groove and a support plate, the guide block is fixedly installed at the bottom of the first threaded connector, and a support plate is installed on the outside of the guide block, the guide block is nested in the inside of the guide groove, and the guide groove is opened on the inside of the drive bracket.

[0015] Preferably, the vertical drive assembly includes a second servo motor, a counter-rotating threaded rod and a second threaded connector, the second servo motor is fixedly mounted on the outside of the support plate, and the output end of the second servo motor is fixedly connected to the counter-rotating threaded rod, and both ends of the counter-rotating threaded rod are threadedly connected to the second threaded connector.

[0016] Preferably, the vertical drive assembly further comprises an adjusting rod and a spray gun body, the adjusting rod is rotatably connected to the outside of the second threaded connector, and the tail end of the adjusting rod is rotatably connected to the spray gun body.

[0017] Preferably, the adjustment rods are provided in two groups symmetrically about the midpoint of the spray gun body.

[0018] Preferably, the vertical drive assembly further comprises a slide groove, the slide groove is provided on the inner side of the support plate, and an adjustment rod passes through the inner side of the slide groove.

[0019] Compared with the prior art, the beneficial effect of the present invention is that the spray gun driving mechanism for the sandblasting machine is provided with:

[0020] 1. A lateral position adjustment structure. This structure operates the first servo motor, causing the output end of the first servo motor to rotate the same-direction threaded rod. The rotation of the same-direction threaded rod drives the first threaded connector connected to the outer thread to move left and right. The left and right movement of the threaded connector causes the support plate connected to the outer side of the guide block to move left and right, thereby adjusting the lateral position of the outer vertical drive assembly and increasing the spray range of the spray gun body on the workpiece.

[0021] Furthermore, when the guide block moves left and right, it slides along the inner side of the guide groove, and the sliding of the guide block on the inner side of the guide groove limits the angle of the first threaded connector;

[0022] 2. Vertical position adjustment structure. When the height of the spray gun body needs to be adjusted, this structure runs the second servo motor, so that the output end of the second servo motor drives the counter-rotating threaded rod to rotate. The rotation of the counter-rotating threaded rod will drive the second threaded connectors with threaded connections at both ends to move toward or in opposite directions. The toward-direction movement of the second threaded connector will drive the connected adjusting rod to rotate. The rotation of the adjusting rods at both ends pushes the spray gun body downward to adjust the height. The spraying effect of the spray gun body is improved by adjusting the height of the spray gun body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the transverse drive assembly of the utility model;

[0025] Figure 3 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the vertical drive assembly of the utility model;

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the spray gun body of the utility model;

[0028] Figure 6 For this utility model Figure 1 Enlarged structural diagram at point B in the middle.

[0029] In the figure: 1. Drive bracket; 2. First servo motor; 3. Horizontal drive assembly; 301. Same-direction threaded rod; 302. First threaded connector; 303. Guide block; 304. Guide groove; 305. Support plate; 4. Vertical drive assembly; 401. Second servo motor; 402. Different-direction threaded rod; 403. Second threaded connector; 404. Adjustment rod; 405. Slide groove; 5. Spray gun body. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figures 1-6 The utility model provides a technical solution: a spray gun driving mechanism for a sandblasting machine, comprising:

[0032] Example 1: Figure 1-Figure 3 The technical solution shown in the figure, the utility model provides a technical solution: a spray gun driving mechanism for a sandblasting machine, which discloses:

[0033] A driving bracket 1, a first servo motor 2 and a horizontal driving assembly 3 are fixedly installed on the outside of the driving bracket 1, and the horizontal driving assembly 3 is connected to the output end of the first servo motor 2; a vertical driving assembly 4, and the vertical driving assembly 4 is arranged on the outside of the horizontal driving assembly 3; a spray gun body 5, and the spray gun body 5 is installed at the bottom of the vertical driving assembly 4, wherein, by driving the first servo motor 2, the horizontal driving assembly 3 can drive the vertical driving assembly 4 to adjust the horizontal position; by driving the vertical driving assembly 4, the vertical driving assembly 4 can drive the spray gun body 5 to adjust the vertical position;

[0034] The transverse drive assembly 3 includes a co-directional threaded rod 301 and a first threaded connector 302. The co-directional threaded rod 301 is fixedly mounted on the output end of the first servo motor 2, and the outer side of the co-directional threaded rod 301 is threadedly connected to the first threaded connector 302. The transverse drive assembly 3 also includes a guide block 303, a guide groove 304, and a support plate 305. The guide block 303 is fixedly mounted on the bottom of the first threaded connector 302, and the support plate 305 is mounted on the outer side of the guide block 303. The guide block 303 is nested inside the guide groove 304, and the guide groove 304 is opened on the inner side of the drive bracket 1.

[0035] This structure operates the first servo motor 2 so that the output end of the first servo motor 2 drives the same-direction threaded rod 301 to rotate. The rotation of the same-direction threaded rod 301 drives the first threaded connector 302 with the outer thread connection to move left and right. The left and right movement of the first threaded connector 302 causes the support plate 305 connected to the outer side of the guide block 303 to move left and right as well, thereby adjusting the lateral position of the outer vertical drive assembly 4 and increasing the spraying range of the spray gun body 5 on the workpiece. When the guide block 303 moves left and right, it slides along the inner side of the guide groove 304. The sliding of the guide block 303 on the inner side of the guide groove 304 limits the angle of the first threaded connector 302.

[0036] Example 2: Figure 1 、 Figure 4-Figure 6The technical solution shown in the figure, the utility model provides a technical solution: a spray gun driving mechanism for a sandblasting machine, disclosed: a vertical driving component 4 includes a second servo motor 401, a different direction threaded rod 402 and a second threaded connector 403, the second servo motor 401 is fixedly mounted on the outside of the support plate 305, and the output end of the second servo motor 401 is fixedly connected to the different direction threaded rod 402, and the two ends of the different direction threaded rod 402 are threadedly connected to the second threaded connector 403; the vertical driving component 4 also includes an adjusting rod 404 and a spray gun body 5, the adjusting rod 404 is rotatably connected to the outside of the second threaded connector 403, and the tail end of the adjusting rod 404 is rotatably connected to the spray gun body 5; the adjusting rod 404 is symmetrically arranged in two groups about the midpoint of the spray gun body 5; the vertical driving component 4 also includes a slide groove 405, the slide groove 405 is opened on the inner side of the support plate 305, and the inner side of the slide groove 405 is penetrated by the adjusting rod 404;

[0037] When the height of the spray gun body 5 needs to be adjusted, this structure operates the second servo motor 401, so that the output end of the second servo motor 401 drives the counter-rotating threaded rod 402 to rotate. The rotation of the counter-rotating threaded rod 402 drives the second second threaded connector 403 with threads connected at both ends to move toward or in opposite directions. The toward-direction movement of the second second threaded connector 403 drives the connected adjusting rod 404 to rotate. The rotation of the adjusting rods 404 at both ends pushes the spray gun body 5 downward to adjust the height. The height adjustment of the spray gun body 5 improves the spraying effect of the spray gun body 5.

[0038] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spray gun driving mechanism for a sandblasting machine, characterized in that: Includes: A driving bracket (1), wherein a first servo motor (2) is fixedly mounted on the outside of the driving bracket (1); A transverse drive assembly (3), wherein the transverse drive assembly (3) is connected to an output end of the first servo motor (2); A vertical drive assembly (4), the vertical drive assembly (4) being arranged outside the transverse drive assembly (3); The spray gun body (5) is mounted on the bottom of the vertical drive assembly (4), wherein By driving the first servo motor (2), the lateral drive component (3) can drive the vertical drive component (4) to adjust the lateral position; Driving the vertical drive assembly (4), the vertical drive assembly (4) can drive the spray gun body (5) to adjust the upper and lower positions; The transverse drive assembly (3) comprises a co-directional threaded rod (301) and a first threaded connector (302), wherein the co-directional threaded rod (301) is fixedly mounted on the output end of the first servo motor (2), and the outer side of the co-directional threaded rod (301) is threadedly connected to the first threaded connector (302); The vertical drive assembly (4) comprises a second servo motor (401), a counter-rotating threaded rod (402) and a second threaded connector (403), wherein the second servo motor (401) is fixedly mounted on the outside of the support plate (305), and the output end of the second servo motor (401) is fixedly connected to the counter-rotating threaded rod (402), and both ends of the counter-rotating threaded rod (402) are threadedly connected to the second threaded connector (403); The vertical drive assembly (4) further comprises an adjusting rod (404) and a spray gun body (5), wherein the adjusting rod (404) is rotatably connected to the outside of the second threaded connector (403), and the rear end of the adjusting rod (404) is rotatably connected to the spray gun body (5).

2. A spray gun driving mechanism for a sandblasting machine according to claim 1, characterized in that: The transverse drive assembly (3) further comprises a guide block (303), a guide groove (304) and a support plate (305); the guide block (303) is fixedly mounted on the bottom of the first threaded connector (302); a support plate (305) is mounted on the outside of the guide block (303); the guide block (303) is nested inside the guide groove (304); and the guide groove (304) is opened on the inside of the drive bracket (1).

3. The spray gun driving mechanism for a sandblasting machine according to claim 1, characterized in that: The regulating rods (404) are provided in two groups in a left-right symmetrical manner about the midpoint of the spray gun body (5).

4. The spray gun driving mechanism for a sandblasting machine according to claim 1, characterized in that: The vertical drive assembly (4) further comprises a slide groove (405), wherein the slide groove (405) is provided on the inner side of the support plate (305), and an adjusting rod (404) passes through the inner side of the slide groove (405).

Citation Information

Patent Citations

  • Spray gun drive device and wet-type sand blasting system applying same

    CN105397645A