Polishing head structure and handheld polishing gun

Abstract

The utility model relates to the technical field of automobile parts processing discloses a polishing head structure and handheld polishing gun, include: polishing head, polishing head is circular, connecting structure, connecting structure includes first connecting portion and second connecting portion, first connecting portion includes the first fixed ring board of setting in the inside of polishing head, the inside fixed mounting of first fixed ring board has first fixed sleeve, the inside fixed mounting of first fixed sleeve has first fixed plate, fixedly installs two groups of second clamping plates on the one side outer wall of first fixed plate, the inside of second clamping plate is provided with second thread groove, the outside of polishing head is provided with the pivot, the inside of pivot is provided with two groups of third thread groove, the inside screw of third thread groove installs first limiting bolt, reach the purpose that polishing head and polishing gun are connected fixed, improve the installation efficiency of polishing head, simplify the installation step of polishing head, improve the convenience of device installation, alleviate the work pressure of worker.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts processing technology, specifically, it relates to a grinding head structure and a handheld polishing gun. Background Technology

[0002] In automotive parts manufacturing, the polishing process directly affects the surface quality and assembly precision of the products.

[0003] Utility model CN220516404U discloses a handheld automotive parts polishing machine, relating to the technical field of automotive parts polishing machines. The machine features a gun body at the top of the handle, with a battery located on the left side inside the gun body and a button on the right side. The battery is connected to a resistor via a wire, and the resistor is connected to a motor via another wire. The motor is connected to a first rotating shaft, which is slidably connected to a track. The bottom of the track is slidably connected to a second rotating shaft, which is connected to the bottom of the handguard. The front of the first rotating shaft is connected to a first polishing wheel, and the front of the second rotating shaft is connected to a second polishing wheel. Due to the inclusion of the first and second rotating shafts, and the track, when the user encounters smaller automotive parts, the track can be slidably connected to both the first and second rotating shafts, allowing the second rotating shaft to drive the second polishing wheel to polish the smaller automotive parts.

[0004] However, the aforementioned patent still has the following problems: During the grinding process of automotive parts, the roller-type grinding head cannot fully grind them, leaving grinding blind spots and affecting the grinding effect. Changing the grinding head is inefficient, cumbersome, and requires a significant amount of time and manpower. This not only increases the production cycle and reduces production efficiency, but also may cause damage to the grinding head or polishing gun due to improper operation during the replacement process, increasing production costs. Furthermore, the device is inconvenient to use.

[0005] In view of this, this utility model is hereby proposed. Utility Model Content

[0006] To solve the aforementioned technical problem of low grinding head replacement efficiency, the basic concept of the technical solution adopted by this utility model is as follows: A grinding head structure, comprising: Grinding head, the grinding head is round; The connecting structure includes a first connecting part and a second connecting part. The first connecting part includes a first fixing ring plate disposed inside the grinding head, a first fixing sleeve fixedly installed inside the first fixing ring plate, a first fixing plate fixedly installed inside the first fixing sleeve, two sets of second snap-fit ​​plates fixedly installed on one outer wall of the first fixing plate, and a second threaded groove opened inside the second snap-fit ​​plate. A rotating shaft is disposed outside the grinding head, and a first limiting bolt is screwed into the third threaded groove. The first limiting bolt is screwed into the second threaded groove. The second connecting part includes a first snap-fit ​​hole opened inside the first fixing plate, a first threaded groove opened inside the first snap-fit ​​hole, a second limiting bolt screwed into the first threaded groove, and a second limiting bolt screwed into the first threaded groove.

[0007] In a preferred embodiment of this utility model, a first snap-fit ​​ring groove is provided on the outer wall of the first fixing ring plate, a second fixing ring plate is provided on the outside of the first fixing ring plate, a third fixing ring plate is fixedly installed on the outer wall of the second fixing ring plate, a first fixing disc is fixedly installed on the outer wall of the third fixing ring plate, the third fixing ring plate is fixedly installed inside the first snap-fit ​​ring groove, and a set of first polishing brushes and a set of second polishing brushes are fixedly installed on one side of the outer wall of the first fixing disc, with the second polishing brushes disposed inside the first polishing brushes.

[0008] In a preferred embodiment of this utility model, a sealing cover is provided on the outside of the grinding head, and two sets of rubber plugs are fixedly installed on one side of the outer wall of the sealing cover. The rubber plugs are snapped into the inside of the first snap-fit ​​hole.

[0009] In a preferred embodiment of the present invention, two sets of arc-shaped snap-fit ​​plates are fixedly installed on one side of the outer wall of the sealing cover, and two sets of first snap-fit ​​grooves are opened on the other side of the outer wall of the first fixing plate, with the arc-shaped snap-fit ​​plates snap-fitted into the inside of the first snap-fit ​​grooves.

[0010] In a preferred embodiment of this utility model, an opening is provided on the outer wall of the other side of the sealing cover, and a handle groove is fixedly installed in the opening.

[0011] A handheld polishing gun includes a polishing head structure and a polishing gun handle as described in any one of the above. A polishing gun head is provided at one end of the polishing gun handle, and a rotating shaft is rotatably installed inside the polishing gun head. A switch is provided on the outer wall of the polishing gun handle, and an electric wire is fixedly installed on one side of the outer wall of the polishing gun handle.

[0012] In a preferred embodiment of the present invention, a set of first grips and a set of second grips are fixedly installed on the outer wall of the polishing gun handle, with the first grips positioned below the second grips.

[0013] Compared with the prior art, the present invention has the following advantages: 1. To achieve the purpose of connecting and fixing the grinding head and polishing gun, improve the installation efficiency of the grinding head, simplify the installation steps of the grinding head, improve the convenience of device installation, and reduce the workload of workers.

[0014] 2. To achieve the purpose of dustproof sealing and fixing of the device, extend the service life of parts, improve the durability of the device, and enhance the safety of the device.

[0015] 3. To achieve the purpose of holding and handling the polishing gun and performing electric polishing, improve the hand grip of the polishing gun, increase the flexibility of the device, and optimize the user experience.

[0016] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0017] In the attached diagram: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram showing the disassembled first fixed disc and polishing gun head of this utility model; Figure 3 This is a schematic diagram showing the disassembled components of the first fixed disc, the first fixed sleeve, and the sealing cover plate of this utility model. Figure 4 This is a schematic diagram of the first fixed sleeve structure of this utility model; Figure 5 This is a schematic diagram of the second snap-fit ​​plate structure of this utility model; Figure 6 This is a schematic diagram of the sealing cover structure of this utility model; Figure 7 This is a schematic diagram showing the disassembled first and second fixing ring plates of this utility model.

[0018] In the diagram: 10. Grinding head; 11. First fixing ring plate; 12. First snap-fit ​​ring groove; 13. Second fixing ring plate; 14. Third fixing ring plate; 15. First fixing disc; 16. First polishing brush; 17. Second polishing brush; 18. First fixing sleeve; 19. First fixing plate; 20. First snap-fit ​​groove; 21. First snap-fit ​​hole; 22. First threaded groove; 23. Second snap-fit ​​plate; 24. Second threaded groove; 25. Sealing cover plate; 26. Rubber plug; 27. Arc-shaped snap-fit ​​plate; 28. Handle groove; 29. ​​Polishing gun handle; 30. Polishing gun head; 31. Rotating shaft; 32. Third threaded groove; 33. First limit bolt; 34. Second limit bolt; 35. Wire; 36. Switch; 37. First grip; 38. Second grip. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0020] Example 1: A grinding head structure and a handheld polishing gun, specifically as follows... Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, the device includes a grinding head 10, which is circular; a connecting structure comprising a first connecting part and a second connecting part. The first connecting part includes a first fixing ring plate 11 disposed inside the grinding head 10. A first fixing sleeve 18 is fixedly installed inside the first fixing ring plate 11. A first fixing plate 19 is fixedly installed inside the first fixing sleeve 18. Two sets of second snap-fit ​​plates 23 are fixedly installed on one outer wall of the first fixing plate 19. The second snap-fit ​​plates 23 have second threaded grooves 24 inside. A rotating shaft 31 is disposed outside the grinding head 10. The shaft 31 has two sets of third threaded grooves 32 inside, and a first limiting bolt 33 is screwed into the third threaded groove 32. The first limiting bolt 33 is screwed into the second threaded groove 24. The second connecting part includes a first snap-fit ​​hole 21 inside the first fixing plate 19. The first snap-fit ​​hole 21 has two sets of first threaded grooves 22 inside, and a second limiting bolt 34 is screwed into the first threaded groove 22. The shaft 31 has two sets of first threaded grooves 22 inside, and the second limiting bolt 34 is screwed into the first threaded groove 22. The grinding head and polishing gun are connected and fixed by the connecting structure. The first fixing disc 15 is taken out, and the rotating shaft 31 is placed between the two sets of second snap-fit ​​plates 23. The first limiting bolt 33 is rotated and screwed into the third thread groove 32 and the second thread groove 24 in sequence. The two sets of second limiting bolts 34 are rotated and screwed into the two sets of first thread grooves 22. The first fixing ring plate 11 is fixedly installed on the outer wall of the rotating shaft 31.

[0021] Based on the above, the structure of the grinding head 10, the first fixing ring plate 11, the first fixing sleeve 18, the first fixing plate 19, the first snap-fit ​​hole 21, the first threaded groove 22, the second snap-fit ​​plate 23, the second threaded groove 24, the rotating shaft 31, the third threaded groove 32, the first limiting bolt 33 and the second limiting bolt 34 achieves the purpose of connecting and fixing the grinding head and the polishing gun, improving the installation efficiency of the grinding head, simplifying the installation steps of the grinding head, improving the convenience of device installation, and reducing the workload of workers.

[0022] Example 2: Based on Example 1, specifically as follows... Figure 1 , Figure 2 and Figure 7 As shown, a first retaining ring plate 11 has a first engaging ring groove 12 on its outer wall. A second retaining ring plate 13 is disposed outside the first retaining ring plate 11. A third retaining ring plate 14 is fixedly installed on the outer wall of the second retaining ring plate 13. A first retaining disc 15 is fixedly installed on the outer wall of the third retaining ring plate 14. The third retaining ring plate 14 is fixedly installed inside the first engaging ring groove 12. A set of first polishing brushes 16 and a set of second polishing brushes 17 are fixedly installed on one side of the outer wall of the first retaining disc 15. The second polishing brushes 17 are disposed inside the first polishing brushes 16. The first retaining ring plate 11 and the second retaining ring plate 13 are connected and fixed by the third retaining ring plate 14. The first polishing brushes 16 and the second polishing brushes 17 are installed by the first retaining disc 15. The first polishing brushes 16 and the second polishing brushes 17 are used to polish the automotive parts.

[0023] Specifically, such as Figure 1 , Figure 4 and Figure 6 As shown, a sealing cover plate 25 is provided on the outside of the grinding head 10. Two sets of rubber plugs 26 are fixedly installed on one side of the outer wall of the sealing cover plate 25. The rubber plugs 26 are snapped into the inside of the first snap-fit ​​hole 21. Pushing the sealing cover plate 25 will snap the rubber plugs 26 into the inside of the first snap-fit ​​hole 21.

[0024] Specifically, such as Figure 1 , Figure 4 and Figure 6 As shown, two sets of arc-shaped snap-fit ​​plates 27 are fixedly installed on one outer wall of the sealing cover plate 25, and two sets of first snap-fit ​​grooves 20 are opened on the other outer wall of the first fixing plate 19. The arc-shaped snap-fit ​​plates 27 are snapped into the inside of the first snap-fit ​​grooves 20.

[0025] Specifically, such as Figure 3 As shown, an opening is provided on the outer wall of the other side of the sealing cover 25, and a handle groove 28 is fixedly installed in the opening. The sealing cover 25 can be picked up by holding the handle groove 28.

[0026] Based on the above, the structure of the grinding head 10, the first fixing ring plate 11, the first snap-fit ​​ring groove 12, the second fixing ring plate 13, the third fixing ring plate 14, the first fixing disc 15, the first polishing brush 16, the second polishing brush 17, the sealing cover plate 25, the rubber plug 26, the arc-shaped snap-fit ​​plate 27, and the handle groove 28 achieves the purpose of dustproof sealing and fixing of the device, extending the service life of the parts, improving the durability of the device, and improving the safety of the device.

[0027] Example 3: Based on Examples 1 and 2, specifically as follows... Figure 1 and Figure 2 As shown, a handheld polishing gun includes the polishing head structure described in any of the above descriptions and a polishing gun handle 29. A polishing gun head 30 is provided at one end of the handle 29. A rotating shaft 31 is rotatably mounted inside the polishing gun head 30. A switch 36 is provided on the outer wall of the handle 29, and an electrical wire 35 is fixedly installed on one side of the outer wall of the handle 29. Power is supplied to the handle 29 via the electrical wire 35, which pushes the switch 36, causing the rotating shaft 31 to rotate inside the polishing gun head 30.

[0028] Specifically, such as Figure 1 and Figure 2 As shown, a set of first grips 37 and a set of second grips 38 are fixedly installed on the outer wall of the polishing gun handle 29, with the first grips 37 positioned below the second grips 38. The polishing gun handle 29 is picked up by gripping the first grips 37 and the second grips 38.

[0029] In summary, the structure of the grinding head 10, polishing gun handle 29, polishing gun head 30, rotating shaft 31, wire 35, switch 36, first grip 37 and second grip 38 achieves the purpose of holding and wiping the polishing gun and energizing it for polishing, improving the hand grip effect of the polishing gun, increasing the flexibility of the device, and optimizing the user experience.

[0030] Working principle: First, take the first fixed disc 15 and place the rotating shaft 31 inside the grinding head 10 between the two sets of second locking plates 23 on one side of the first fixed plate 19 on the first fixed ring plate 11 inside the first fixed sleeve 18. Then, rotate the first limiting bolt 33 so that it is screwed into the third thread groove 32 of the rotating shaft 31 and the second thread groove 24 of the second locking plate 23 in sequence. Rotate the two sets of second limiting bolts 34 so that the second limiting bolts 34 are screwed into the first thread groove 22 in the first locking hole 21 on the first fixed plate 19 and the first thread groove 22 of the rotating shaft 31. This limits and fixes the first fixed ring plate 11 to the outer wall of the rotating shaft 31. Based on the above connection, the third fixed ring plate 14 is fixedly installed in the first locking ring groove 12 on the outer wall of the first fixed ring plate 11. The third fixed ring plate 14 is fixed to the second fixed plate 19. The outer wall of the fixed ring plate 13 has a first fixed disc 15 fixed to the outer wall of the third fixed ring plate 14. A set of first polishing brushes 16 and a set of second polishing brushes 17 located inside the first fixed disc 15 are installed on one side of the outer wall. These two polishing brushes are used to polish the automotive parts. The sealing cover plate 25 outside the polishing head 10 is pushed, so that two sets of rubber plugs 26 on one side of its outer wall are snapped into the first snap-fit ​​holes 21 on the first fixed plate 19. At the same time, two sets of arc-shaped snap-fit ​​plates 27 on one side of the outer wall of the sealing cover plate 25 are snapped into the two sets of first snap-fit ​​grooves 20 on the other side of the outer wall of the first fixed plate 19. In addition, the sealing cover plate 25 can be picked up by holding the handle groove 28 fixed in the opening on the other side of the outer wall of the sealing cover plate 25. The handheld polishing gun consists of the above-mentioned polishing head structure and polishing gun handle 29. A rotating shaft 31 is rotatably installed in the polishing gun head 30 at one end of the polishing gun handle 29. Power is supplied to the polishing gun handle 29 via wire 35, which pushes the switch 36 on its outer wall, causing the rotating shaft 31 to rotate inside the polishing gun head 30. A set of first grips 37 and a set of second grips 38 are fixedly installed on the outer wall of the polishing gun handle 29. Holding these two grips allows the polishing gun handle 29 to be picked up and put away.

[0031] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A grinding head structure, characterized in that, include: Grinding head (10), the grinding head (10) is round; The connection structure includes a first connection part and a second connection part. The first connection part includes a first fixing ring plate (11) disposed inside the grinding head (10). A first fixing sleeve (18) is fixedly installed inside the first fixing ring plate (11). A first fixing plate (19) is fixedly installed inside the first fixing sleeve (18). Two sets of second snap-fit ​​plates (23) are fixedly installed on one side of the outer wall of the first fixing plate (19). A second threaded groove (24) is opened inside the second snap-fit ​​plate (23). A rotating shaft (31) is disposed outside the grinding head (10). Two sets of second threaded grooves (24) are opened inside the rotating shaft (31). The third threaded groove (32) has a first limiting bolt (33) spirally installed inside the third threaded groove (32), and the first limiting bolt (33) spirally installed inside the second threaded groove (24); the second connecting part includes a first snap-fit ​​hole (21) opened inside the first fixing plate (19), and two sets of first threaded grooves (22) are opened inside the first snap-fit ​​hole (21), and a second limiting bolt (34) spirally installed inside the first threaded groove (22); the rotating shaft (31) has two sets of first threaded grooves (22) opened inside, and the second limiting bolt (34) spirally installed inside the first threaded groove (22).

2. The grinding head structure according to claim 1, characterized in that, A first snap-fit ​​ring groove (12) is provided on the outer wall of the first fixing ring plate (11). A second fixing ring plate (13) is provided on the outside of the first fixing ring plate (11). A third fixing ring plate (14) is fixedly installed on the outer wall of the second fixing ring plate (13). A first fixing disc (15) is fixedly installed on the outer wall of the third fixing ring plate (14). The third fixing ring plate (14) is fixedly installed inside the first snap-fit ​​ring groove (12). A set of first polishing brushes (16) and a set of second polishing brushes (17) are fixedly installed on one side of the outer wall of the first fixing disc (15). The second polishing brushes (17) are located inside the first polishing brushes (16).

3. The grinding head structure according to claim 1, characterized in that, The grinding head (10) is provided with a sealing cover plate (25) on the outside. Two sets of rubber plugs (26) are fixedly installed on one side of the outer wall of the sealing cover plate (25). The rubber plugs (26) are snapped into the inside of the first snap-fit ​​hole (21).

4. The grinding head structure according to claim 3, characterized in that, Two sets of arc-shaped snap-fit ​​plates (27) are fixedly installed on one side of the outer wall of the sealing cover (25), and two sets of first snap-fit ​​grooves (20) are opened on the other side of the outer wall of the first fixing plate (19). The arc-shaped snap-fit ​​plates (27) are snap-fitted into the inside of the first snap-fit ​​grooves (20).

5. The grinding head structure according to claim 3, characterized in that, An opening is provided on the outer wall of the other side of the sealing cover (25), and a handle groove (28) is fixedly installed in the opening.

6. A handheld polishing gun, characterized in that, The polishing head structure and polishing gun handle (29) as described in any one of claims 1-5 are provided with a polishing gun head (30) at one end of the polishing gun handle (29), a rotating shaft (31) is rotatably installed inside the polishing gun head (30), a switch (36) is provided on the outer wall of the polishing gun handle (29), and an electric wire (35) is fixedly installed on one side of the outer wall of the polishing gun handle (29).

7. The handheld polishing gun according to claim 6, characterized in that, A set of first grips (37) and a set of second grips (38) are fixedly installed on the outer wall of the polishing gun handle (29), with the first grips (37) located below the second grips (38).

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