Polishing device for automobile part machining

Abstract

The utility model relates to a polishing device for auto spare part processing, which comprises a main rod, the end part of the main rod is rotatably connected with a central rod, the inner end part of the main rod is fixedly provided with a driving motor, the output end of the driving motor is connected with the central rod, and the two end parts of the outer peripheral wall of the central rod are slidably connected with lantern rings. A plurality of supporting plates are fixedly connected to the peripheral wall of the lantern ring. The utility model relates to the technical field of automobile part machining and polishing. According to the grinding device for automobile accessory machining, when the grinding device for automobile accessory machining is used, an arranged folding and unfolding piece is matched with grinding abrasive paper to grind an automobile shell, the grinding abrasive paper can be completely attached to the arc-shaped corner of the automobile shell, and meanwhile, a bidirectional threaded rod can be rotated to adjust the distance between supporting plates; and aiming at the positions of arc-shaped corners of the vehicle shell at different angles, the smooth cambered surface is prevented from being ground to form edges and corners to influence the external protectiveness of the vehicle shell.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing and grinding, in particular to a grinding device for automobile parts processing. Background Art

[0002] With the rapid development of the automobile industry, consumers have higher and higher requirements for automobile quality. As an important part of automobiles, the quality of auto parts is directly related to the performance and safety of automobiles. In the production process of auto parts, grinding is a crucial process, which can not only improve the surface quality of the parts, but also ensure its precision and durability. It includes grinding and polishing of the car shell. The grinding and polishing of the car shell are mainly used to make the paint on the outside of the car shell smoother, improve the resistance to water erosion and improve the ability to reflect and resist ultraviolet rays.

[0003] In the prior art, when grinding and polishing the car body, it is mainly done by grinding and polishing discs. However, when grinding the corner part of the car body, because the corner part has a certain angle of inclination, or some positions are arc-shaped, the grinding disc is easy to flatten the arc-shaped position when grinding it, so that the smooth arc surface is ground with edges and corners, thereby affecting the external protection performance of the car body. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present utility model is to provide a grinding device for processing automobile parts, so as to solve the technical problems mentioned in the above background technology.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A grinding device for processing automobile parts comprises a main rod, the end of which is rotatably connected to a center rod, a driving motor is fixedly mounted on the inner end of the main rod, the output end of the driving motor is connected to the center rod, two ends of the outer peripheral wall of the center rod are slidably connected to collars, the outer peripheral walls of the collars are fixedly connected to a number of support plates, and the sides of the support plates are provided with retractable members, wherein grinding sandpaper is connected between every two opposing support plates via the retractable members.

[0007] In a preferred example, the utility model can be further configured as follows: the retractable component includes two clamping plates, the two clamping plates are fixedly installed on the sides of the support plate, and a positioning shaft is fixedly connected between the two support plates.

[0008] In a preferred example, the utility model can be further configured as follows: a positioning spring is provided on the outer side of the positioning shaft, one end of the positioning spring is fixedly connected to the end of the positioning shaft, a retractable tube is provided on the outer side of the positioning spring, the inner circumferential wall of the retractable tube is fixedly connected to the other end of the positioning spring, and the two ends of the grinding sandpaper are respectively fixedly connected to the outer circumferential walls of the two retractable tubes.

[0009] In a preferred example, the utility model can be further configured as follows: the sandpaper for grinding fits with the end of the support plate, and the end of the support plate is arranged in an arc shape.

[0010] In a preferred example, the utility model can be further configured as follows: a bidirectional threaded rod is provided between the two collars, and two ends of the bidirectional threaded rod are respectively threadedly connected to the two collars.

[0011] In a preferred example, the utility model can be further configured as follows: one end of the bidirectional threaded rod close to the main rod passes through the ring and extends to the side of the main rod, one end of the bidirectional threaded rod close to the main rod is fixedly connected to an adjusting rod, the middle part of the outer peripheral wall of the center rod is fixedly connected to the center ring, and the bidirectional threaded rod passes through the center ring and is rotatably connected to the center ring.

[0012] In a preferred example, the utility model can be further configured as follows: a corrugated plate is connected to the end between each two opposite support plates, and the middle part of the corrugated plate is fixedly connected to the middle part of the grinding sandpaper.

[0013] In summary, the present invention includes at least one of the following beneficial technical effects:

[0014] 1. This kind of grinding device for automobile parts processing, when in use, can make the grinding sandpaper completely fit the arc corner of the car shell by means of the retractable parts provided to cooperate with the grinding sandpaper when grinding the car shell, and can also rotate the bidirectional threaded rod to adjust the distance between the support plates, so as to facilitate the position of the arc corner of the car shell at different angles, thereby avoiding the smooth arc surface from being ground out with edges and corners, which affects the external protectiveness of the car shell;

[0015] 2. In the grinding device for automobile parts processing, the end of the support plate is fitted with the grinding sandpaper, and the end of the support plate is arranged in an arc shape to prevent the grinding sandpaper from turning over when passing through the car body as the grinding sandpaper rotates, thereby affecting the grinding of the car body;

[0016] 3. In the grinding device for automobile parts processing, the bidirectional threaded rod is rotated to drive the two collars to move in opposite directions, thereby shortening the distance between the two support plates. After the distance between the support plates is reduced, the sandpaper can be used for the position with a smaller angle, thereby avoiding the distance between the support plates being too large to affect the position around the corner of the car body, thereby causing damage to the car body;

[0017] 4. This kind of grinding device for automobile parts processing has a corrugated plate with the same characteristics as the bellows, which can shrink and bend. When the torsion spring retracts, it will drive the grinding sandpaper to straighten instantly. The middle part of the corrugated plate is connected to the middle part of the grinding sandpaper to increase the pressure of the torsion spring rotation, avoiding the grinding sandpaper from being broken due to rapid straightening, thereby affecting the grinding of the car body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The utility model is a schematic diagram of the overall structure of a grinding device for automobile parts processing.

[0020] Figure 2 The utility model is a schematic diagram of the internal structure of a main rod of a grinding device for processing automobile parts.

[0021] Figure 3 For the utility model Figure 2 Schematic diagram of the structure on the left side.

[0022] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0023] In the figure, 1. main rod; 2. center rod; 3. driving motor; 4. sleeve ring; 5. support plate; 6. retractable part; 7. grinding sandpaper; 8. clamping plate; 9. positioning shaft; 10. positioning spring; 11. retractable cylinder; 12. bidirectional threaded rod; 13. adjusting rod; 14. corrugated plate; 15. center ring. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] Example:

[0026] Reference Figure 1-Figure 4The utility model discloses a grinding device for automobile parts processing, comprising a main rod 1, the end of the main rod 1 is rotatably connected to a center rod 2, a driving motor 3 is fixedly installed on the inner end of the main rod 1, the output end of the driving motor 3 is connected to the center rod 2, the two ends of the outer peripheral wall of the center rod 2 are slidably connected to a collar 4, the outer peripheral wall of the collar 4 is fixedly connected to a number of support plates 5, and the sides of the support plates 5 are provided with retractable parts 6, wherein a grinding sandpaper 7 is connected between every two relative support plates 5 through the retractable parts 6.

[0027] In this embodiment, the main rod 1 can be used for hand-holding or installation in the device for processing automobile parts during use, and the driving motor 3 is started so that the driving motor 3 drives the center rod 2 to rotate. When the center rod 2 rotates, it will drive the support plate 5 to rotate, and then the sandpaper 7 is fitted to the curved part of the car shell, and pressure is applied to the curved part of the car shell. Then, the sandpaper 7 is fitted to the curved part of the car shell due to the pressure, and the sandpaper 7 in the retractable part 6 is pulled out, so that the sandpaper 7 can be completely fitted to the curved part of the car shell, so as to avoid the curved part of the car shell being smoothed and having edges and corners, thereby affecting the external protection of the car shell.

[0028] In a further preferred embodiment of the present invention, Figure 2-4 As shown, the retractable member 6 includes two clamps 8, and the two clamps 8 are fixedly installed on the sides of the support plate 5. A positioning shaft 9 is fixedly connected between the two support plates 5. A positioning spring 10 is arranged on the outer side of the positioning shaft 9, and one end of the positioning spring 10 is fixedly connected to the end of the positioning shaft 9. A retractable tube 11 is arranged on the outer side of the positioning spring 10, and the inner circumferential wall of the retractable tube 11 is fixedly connected to the other end of the positioning spring 10. The two ends of the grinding sandpaper 7 are fixedly connected to the outer circumferential walls of the two retractable tubes 11 respectively.

[0029] The two clamps 8 act on the main support in the retractable member 6. Then, when the sandpaper 7 fits the arc corner of the vehicle shell and applies pressure, a pulling force will be generated in the middle of the sandpaper 7, thereby pulling the two ends of the sandpaper 7, wherein the two ends of the sandpaper 7 are wound around the retractable tube 11. Therefore, when the ends of the sandpaper 7 are pulled, the retractable tube 11 will be driven to rotate, thereby pulling out the sandpaper 7 on the retractable tube 11. After the sandpaper 7 rotates and passes through the vehicle shell, the rotated retractable tube 11 drives the rotation of the torsion spring, which will generate a reaction force. Therefore, after the sandpaper 7 passes through the vehicle shell, it will be subjected to the reaction force of the torsion spring, which drives the retractable tube 11 to rotate in the opposite direction, thereby retracting the sandpaper 7 to its original position. The reaction force applied can better make the sandpaper 7 fit the arc corner of the vehicle shell, thereby facilitating the polishing of the vehicle shell.

[0030] In a further preferred embodiment of the present invention, Figure 1-4 As shown, the grinding sandpaper 7 is fitted with the end of the support plate 5, and the end of the support plate 5 is arranged in an arc shape.

[0031] In this embodiment, the end of the support plate 5 is fitted with the sandpaper 7, and the end of the support plate 5 is arc-shaped to prevent the sandpaper 7 from flipping over when passing through the vehicle shell as it rotates, thereby affecting the sanding of the vehicle shell.

[0032] In a further preferred embodiment of the present invention, Figure 2-3 As shown, a bidirectional threaded rod 12 is provided between the two collars 4 , and two ends of the bidirectional threaded rod 12 are respectively threadedly connected to the two collars 4 .

[0033] In this embodiment, when the bidirectional threaded rod 12 is rotated, it will drive the two rings 4 to move towards or in the opposite direction, thereby shortening the distance between the two support plates 5. After reducing the distance between the support plates 5, the sandpaper can be used for the position with a smaller angle, avoiding the distance between the support plates 5 being too large to affect the position around the corner of the vehicle shell, thereby causing damage to the vehicle shell.

[0034] In a further preferred embodiment of the present invention, Figure 2-3 As shown, the end of the bidirectional threaded rod 12 close to the main rod 1 passes through the ring 4 and extends to the side of the main rod 1. The end of the bidirectional threaded rod 12 close to the main rod 1 is fixedly connected with an adjusting rod 13. The middle part of the outer peripheral wall of the center rod 2 is fixedly connected with a center ring 15. The bidirectional threaded rod 12 passes through the center ring 15 and is rotatably connected to the center ring 15.

[0035] In this embodiment, the center ring 15 is used to position the bidirectional threaded rod 12. The distance between the two rings 4 can be quickly adjusted manually by the adjustment rod 13. By rotating the adjustment rod 13, the adjustment rod 13 drives the rotation of the bidirectional threaded rod 12, thereby driving the movement of the two rings 4, thereby achieving the effect of adjusting the distance between the supports.

[0036] In a further preferred embodiment of the present invention, Figure 2-3 As shown, a corrugated plate 14 is connected to the end between each two opposite support plates 5 , and the middle portion of the corrugated plate 14 is fixedly connected to the middle portion of the grinding sandpaper 7 .

[0037] In this embodiment, the corrugated plate 14 has the same characteristics as the bellows and can be contracted and bent. When the torsion spring retracts, the sandpaper 7 will be instantly straightened. The middle part of the corrugated plate 14 is connected to the middle part of the sandpaper 7 to increase the pressure of the torsion spring rotation, thereby preventing the sandpaper 7 from being broken due to the rapid straightening of the sandpaper 7, thereby affecting the grinding of the vehicle shell.

[0038] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A grinding device for automobile parts processing, comprising a main rod (1), characterized in that: The end of the main rod (1) is rotatably connected to the center rod (2), the inner end of the main rod (1) is fixedly installed with a driving motor (3), the output end of the driving motor (3) is connected to the center rod (2), the two ends of the outer peripheral wall of the center rod (2) are slidably connected with a ring (4), the outer peripheral wall of the ring (4) is fixedly connected with a number of support plates (5), the sides of the several support plates (5) are provided with retractable parts (6), and each two relative support plates (5) are connected with grinding sandpaper (7) through the retractable parts (6).

2. A grinding device for automobile parts processing according to claim 1, characterized in that: The retractable member (6) comprises two clamping plates (8), the two clamping plates (8) are fixedly mounted on the sides of the support plate (5), and a positioning shaft (9) is fixedly connected between the two support plates (5).

3. A grinding device for automobile parts processing according to claim 2, characterized in that: A positioning spring (10) is arranged on the outside of the positioning shaft (9), one end of the positioning spring (10) is fixedly connected to the end of the positioning shaft (9), a retractable tube (11) is arranged on the outside of the positioning spring (10), the inner peripheral wall of the retractable tube (11) is fixedly connected to the other end of the positioning spring (10), and the two ends of the grinding sandpaper (7) are respectively fixedly connected to the outer peripheral walls of the two retractable tubes (11).

4. A grinding device for automobile parts processing according to claim 3, characterized in that: The grinding sandpaper (7) is fitted with the end of the support plate (5), and the end of the support plate (5) is arranged in an arc shape.

5. A grinding device for automobile parts processing according to claim 4, characterized in that: A bidirectional threaded rod (12) is arranged between the two collars (4), and two ends of the bidirectional threaded rod (12) are respectively threadedly connected to the two collars (4).

6. A grinding device for automobile parts processing according to claim 5, characterized in that: One end of the bidirectional threaded rod (12) close to the main rod (1) passes through the sleeve ring (4) and extends to the side of the main rod (1); one end of the bidirectional threaded rod (12) close to the main rod (1) is fixedly connected to an adjustment rod (13); the middle part of the outer peripheral wall of the center rod (2) is fixedly connected to a center ring (15); the bidirectional threaded rod (12) passes through the center ring (15) and is rotatably connected to the center ring (15).

7. The grinding device for automobile parts processing according to claim 5, characterized in that: The ends between each two opposite support plates (5) are connected with a corrugated plate (14), and the middle portion of the corrugated plate (14) is fixedly connected to the middle portion of the grinding sandpaper (7).

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