Automobile part polishing device

Abstract

The utility model discloses an automobile part polishing device which comprises a base and a supporting table arranged on the base, and is characterized in that a pressing mechanism and a polishing mechanism are arranged on the base, and the polishing mechanism comprises a polishing assembly used for polishing automobile parts and a moving assembly driving the polishing assembly to move up and down; the grinding assembly comprises a connecting rod connected with the output end of the moving assembly and a mounting seat arranged at the outer end of the connecting rod, a through hole allowing the automobile part to penetrate through is formed in the mounting seat, a gap exists between the automobile part and the inner wall of the through hole, and an annular air bag is arranged in the through hole of the mounting seat; an air nozzle used for inflating and deflating the annular air bag is arranged on the mounting seat, an annular hole used for wrapping the outer wall of the automobile part is formed in the annular air bag, and a polishing layer is arranged on the side wall of the annular hole of the annular air bag. According to the automobile part polishing device, the polishing strength of the outer wall of an automobile part can be adjusted, and the polishing effect is improved.

Description

Technical Field

[0001] The utility model relates to a grinding device for automobile parts. Background Art

[0002] During the processing of automobile shaft parts, the surface of the shaft wall may be rough and uneven, which will have a great impact on the subsequent processing and production. Most of the existing shaft parts are polished manually. When a person uses a handheld polishing device to polish the automobile parts, it cannot be guaranteed that the outer wall of the automobile parts is polished evenly. At the same time, the handheld grinder needs to be moved along the automobile parts, which is not only time-consuming and labor-intensive, but also has a poor polishing effect.

[0003] To this end, the existing Chinese invention patent with publication number CN109048517A discloses "A kind of automobile parts grinding device", including a base and a gantry fixedly arranged at the upper end of the base, a reciprocating screw is arranged horizontally inside the gantry, and both ends of the reciprocating screw are respectively connected to the two inner side walls opposite to the gantry through the first rolling bearing, the rod wall of the reciprocating screw is connected to the reciprocating slider in a sliding manner, the lower end of the reciprocating slider is vertically fixedly connected to the connecting rod, the lower end of the connecting rod is fixedly connected to the grinding device, one end of the reciprocating screw extends to the outside of the gantry and is fixedly connected to the first pulley, the upper end of the base is located on one side of the gantry and is fixedly provided with a motor seat, the upper end of the motor seat is fixedly provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the end of the rotating shaft away from the motor is connected to the side of the gantry through the second rolling bearing and extends to the inside of the gantry. However, the existing grinding device can only achieve constant force grinding, and cannot achieve control of the grinding force of automobile parts. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an automobile part grinding device in view of the current status of the prior art, which can adjust the grinding force of the outer wall of the automobile part and improve the grinding effect.

[0005] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a kind of automobile parts grinding device, comprising a base, a support platform for supporting automobile parts is arranged on the base, and the characteristics are: a pressing mechanism for vertically pressing automobile parts on the support platform is arranged on the base, a grinding mechanism for grinding automobile parts is arranged on the base, the grinding mechanism comprises a grinding component for grinding automobile parts and a moving component for driving the grinding component to move up and down, the grinding component comprises a connecting rod connected to the output end of the moving component, a mounting seat arranged on the outer end of the connecting rod, a through hole for automobile parts to pass through is arranged on the mounting seat, there is a gap between the automobile parts and the inner wall of the through hole, an annular airbag is arranged in the through hole of the mounting seat, an air nozzle for inflating and deflating the annular airbag is arranged on the mounting seat, an annular hole for wrapping the outer wall of the automobile part is formed on the annular airbag, and a grinding layer is arranged on the side wall of the annular hole of the annular airbag.

[0006] As an improvement, the polishing layer is adhered to the inner wall of the annular hole.

[0007] As a further improvement, the polishing layer is sealingly connected to the perforated opening of the mounting seat, and the annular airbag is hidden in a sealed chamber formed by the polishing layer and the perforated opening of the mounting seat.

[0008] As a further improvement, the mounting seat comprises a first seat body and a second seat body which are arranged opposite to each other, through holes are formed on opposite inner side walls of the first seat body and the second seat body, and the first seat body and the second seat body are connected by bolts.

[0009] As a further improvement, an annular magnetic block is arranged in the through hole of the mounting seat, a central hole for automobile parts to pass through is formed in the center of the magnetic block, and an airbag mounting cavity for mounting the annular airbag is formed at the central hole of the magnetic block.

[0010] As a further improvement, the clamping mechanism comprises a clamping cylinder which is invertedly arranged on the base, a horizontal plate is arranged at the output end of the clamping cylinder, and a positioning block which is arranged opposite to the support platform is arranged on the lower side wall of the horizontal plate.

[0011] As a further improvement, the positioning block is elastic.

[0012] As a further improvement, the moving assembly includes a reciprocating cylinder which is invertedly arranged on a base, and an output end of the reciprocating cylinder is connected to a connecting rod.

[0013] As a further improvement, the moving assembly includes a driving motor which is invertedly arranged on a base, a lead screw is arranged at an output end of the driving motor, a nut block is arranged on the lead screw, and the nut block and a connecting rod are arranged on the lead screw.

[0014] As a further improvement, there are two movable components, which are arranged on two sides of the support table opposite to each other, and the output ends of the two movable components are connected to the grinding components respectively.

[0015] Compared with the prior art, the advantages of the utility model are: the utility model adopts an annular airbag as a grinding head for automobile parts, and adjusts the wrapping strength of the annular airbag on the outer wall of the automobile parts by controlling the amount of air filled in the annular airbag, thereby adjusting the grinding strength of the outer wall of the automobile parts and improving the grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an automobile parts grinding device in an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the arrangement structure of two moving components in an embodiment of the utility model;

[0018] Figure 3 yes Figure 1 A partial enlarged view of the middle A;

[0019] Figure 4 It is a schematic diagram of the connection structure between the first seat body and the second seat body in an embodiment of the utility model. DETAILED DESCRIPTION

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0021] like Figures 1 to 4 As shown, the automobile parts grinding device in this embodiment includes a base 1, a support platform 2, a pressing mechanism 3, and a grinding mechanism.

[0022] Among them, a support table 2 for supporting the automobile part 7 is provided on the base 1, a clamping mechanism 3 for vertically pressing the automobile part 7 on the support table 2 is provided on the base 1, and a grinding mechanism for grinding the automobile part 7 is provided on the base 1. The grinding mechanism includes a grinding component 5 for grinding the automobile part 7 and a moving component 4 for driving the grinding component 5 to move up and down. The grinding component 5 includes a connecting rod 52 connected to the output end of the moving component 4, and a mounting seat 51 arranged on the outer end of the connecting rod 52. A through hole for the automobile part 7 to pass through is provided on the mounting seat 51, and there is a gap between the automobile part 7 and the inner wall of the through hole. An annular airbag 6 is provided in the through hole of the mounting seat 51, and an air nozzle for inflating and deflating the annular airbag 6 is provided on the mounting seat 51. An annular hole for wrapping the outer wall of the automobile part 7 is formed on the annular airbag 6, and a grinding layer is provided on the side wall of the annular hole of the annular airbag 6.

[0023] Preferably, the polishing layer is adhered to the inner wall of the annular hole; or, the polishing layer is sealed and connected to the perforated opening of the mounting seat 51, and the annular airbag 6 is hidden in a sealed chamber formed by the polishing layer and the perforated opening of the mounting seat 51. After the annular airbag 6 is inflated, the annular airbag 6 presses the polishing layer against the outer peripheral wall of the automobile part 7.

[0024] Furthermore, in order to facilitate the grinding of automobile parts with different shaft diameters, the mounting seat 51 includes two first and second seat bodies 511 and 512 arranged opposite to each other, through holes are formed on the opposite inner side walls of the first and second seat bodies 511 and 512, and the first and second seat bodies 511 and 512 are connected by bolts 513. At the same time, an annular magnetic block 54 is arranged in the through hole of the mounting seat 51, and a center hole for the automobile part 7 to pass through is formed in the center of the magnetic block 54, and an airbag installation cavity for installing the annular airbag 6 is formed at the center hole of the magnetic block 54. In this way, by replacing the magnetic blocks 54 with different center hole sizes, the grinding device can be adapted to the grinding of automobile parts 7 with different shaft diameters.

[0025] In addition, in the embodiment of the utility model, the clamping mechanism 3 includes a clamping cylinder 31 invertedly arranged on the base 1, a horizontal plate 32 is arranged at the output end of the clamping cylinder 31, and a positioning block 33 arranged opposite to the support platform 2 is arranged on the lower side wall of the horizontal plate 32. At the same time, in order to place the crushed automobile parts 7, the positioning block 33 can be elastic.

[0026] In addition, in the embodiment of the utility model, the moving assembly 4 includes a reciprocating cylinder invertedly arranged on the base 1, and the output end of the reciprocating cylinder is connected to the connecting rod 52. Alternatively, another moving assembly structure can also be adopted, specifically, the moving assembly 4 includes a driving motor 41 invertedly arranged on the base 1, and the output end of the driving motor 41 is provided with a lead screw 43, and the lead screw 43 is provided with a nut block 42, and the nut block 42 and the connecting rod 52 are connected.

[0027] At the same time, in order to improve the stability of the grinding assembly 5 moving up and down, in the embodiment of the utility model, the moving assembly 4 has two, which are arranged on both sides of the support table 2 respectively, and the output ends of the two moving assemblies 4 are respectively connected to the grinding assembly 5, such as Figure 2 shown.

[0028] When in use, first pass the automobile part 7 through the annular hole of the annular airbag 6 and stand it upright on the support platform 2. Then, the clamping mechanism 3 clamps the upper and lower ends of the automobile part 7. After that, gas is filled into the annular airbag 6, and the annular airbag 6 expands and wraps around the outer wall of the automobile part 7. The moving component 4 drives the grinding component 5 to move up and down to grind the outer wall of the automobile part 7.

[0029] In summary, the utility model adopts the annular airbag 6 as the grinding head of the automobile parts, and adjusts the wrapping strength of the annular airbag 6 on the outer wall of the automobile part 7 by controlling the amount of air filled into the annular airbag 6, thereby adjusting the grinding strength of the outer wall of the automobile part 7 and improving the grinding effect.

Claims

1. An automobile part grinding device, comprising a base (1), on which a support platform (2) for supporting an automobile part (7) is arranged, characterized in that: The base (1) is provided with a pressing mechanism (3) for vertically pressing the automobile part (7) onto the support platform (2); the base (1) is provided with a grinding mechanism for grinding the automobile part (7); the grinding mechanism comprises a grinding assembly (5) for grinding the automobile part (7) and a moving assembly (4) for driving the grinding assembly (5) to move up and down; the grinding assembly (5) comprises a connecting rod (52) connected to the output end of the moving assembly (4), and a connecting rod (52) provided on the connecting rod (52). A mounting seat (51) is provided on the outer end, the mounting seat (51) is provided with a through hole for the automobile part (7) to pass through, a gap exists between the automobile part (7) and the inner wall of the through hole, an annular airbag (6) is provided in the through hole of the mounting seat (51), an air nozzle for inflating and deflating the annular airbag (6) is provided on the mounting seat (51), an annular hole for wrapping the outer wall of the automobile part (7) is formed on the annular airbag (6), and a polishing layer is provided on the side wall of the annular hole of the annular airbag (6).

2. The automobile parts grinding device according to claim 1, characterized in that: The polishing layer is adhered to the inner side wall of the annular hole.

3. The automobile parts grinding device according to claim 1, characterized in that: The polishing layer is sealingly connected to the perforated opening of the mounting seat (51), and the annular airbag (6) is hidden in a sealed chamber formed by the polishing layer and the perforated opening of the mounting seat (51).

4. The automobile parts grinding device according to claim 1, characterized in that: The mounting seat (51) comprises a first seat body (511) and a second seat body (512) which are arranged opposite to each other, through holes are formed on the opposite inner side walls of the first seat body (511) and the second seat body (512), and the first seat body (511) and the second seat body (512) are connected by bolts.

5. The automobile parts grinding device according to claim 4, characterized in that: An annular magnetic block (54) is arranged in the through hole of the mounting seat (51), a central hole for the automobile part (7) to pass through is formed at the center of the magnetic block (54), and an airbag installation cavity for installing the annular airbag (6) is formed at the center hole of the magnetic block (54).

6. The automobile parts grinding device according to claim 1, characterized in that: The clamping mechanism (3) comprises a clamping cylinder (31) which is invertedly arranged on the base (1); a horizontal plate (32) is arranged at the output end of the clamping cylinder (31); and a positioning block (33) which is arranged opposite to the support platform (2) is arranged on the lower side wall of the horizontal plate (32).

7. The automobile parts grinding device according to claim 6, characterized in that: The positioning block (33) is elastic.

8. The automobile parts grinding device according to claim 1, characterized in that: The moving assembly (4) comprises a reciprocating cylinder which is invertedly arranged on the base (1), and the output end of the reciprocating cylinder is connected to a connecting rod (52).

9. The automobile parts grinding device according to claim 1, characterized in that: The moving assembly (4) comprises a driving motor (41) which is invertedly arranged on the base (1); a lead screw (43) is arranged at the output end of the driving motor (41); a nut block (42) is arranged on the lead screw (43); and a connecting rod (52) and a connecting rod.

10. The automobile parts grinding device according to claim 1, characterized in that: The movable components (4) have two components, which are arranged opposite to each other on two sides of the support platform (2), and the output ends of the two movable components (4) are respectively connected to the grinding components (5).

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