CN217914389U

CN217914389U - Hub grinding device

Info

Publication number: CN217914389U
Application number: CN202221960475.1U
Authority: CN
Inventors: 曾春华
Original assignee: Guangdong Dcenti Auto Parts Stock Ltd
Current assignee: Guangdong Dcenti Auto Parts Stock Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-29
Anticipated expiration: 2032-07-27

Abstract

The utility model provides a wheel hub grinding device, include: the device comprises a rack, a plurality of grinding particles, a magnetizing assembly, a demagnetizing assembly and a controller; the rack is provided with an accommodating groove, a hub bracket and a rotary driving assembly, and the hub bracket is arranged in the accommodating groove; the polishing particles are arranged in the accommodating groove and comprise magnetic bodies and nonmagnetic bodies, the magnetic bodies are fixedly arranged on one sides of the nonmagnetic bodies, and the polishing particles are a plurality of and form large polishing particles after being adsorbed by the magnetic bodies. The utility model discloses a wheel hub grinding device can make the granule of polishing form great granule through the granule of polishing mutual attraction to be used for carrying out the corase grind to wheel hub, after the corase grind is accomplished, come to demagnetize the magnetic part of the granule of polishing through the demagnetization subassembly, thereby make the granule of polishing lose magnetism and part each other, thereby carry out the correct grinding to wheel hub, consequently need not change wheel hub to different grinding apparatus in, improved production efficiency.

Description

Hub grinding device

Technical Field

The utility model relates to a wheel hub processing technology field, concretely relates to wheel hub grinding device.

Background

With the continuous development of the automobile industry, more attractive, portable and superior-performance wheel hubs are required in the market. The appearance shape of the automobile hub tends to be complicated and diversified, the appearance shape is embodied in the curve design of the outer molded surface and the shape of a window, most automobile hubs also adopt complex spoke structures, and the aesthetic feeling is improved by using streamline as far as possible. The complex space curved surface of the hub requires that the surface of the hub after being polished must be uniform and smooth, and great difficulty is brought to the polishing process. The hub usually needs to be roughly ground and finely ground, the rough grinding can improve the grinding efficiency, reduce the abrasion of the grinding tool, and leave balanced allowance for the fine grinding, so that the shape of the finely ground wheel is stable and the finish degree is better.

At present adopt the solid granule of polishing to polish wheel hub usually, put the grinding apparatus with wheel hub in, carry out the corase grind back to wheel hub with bulky granule of polishing, take out wheel hub again and trade in other grinding apparatus, carry out the correct grinding to wheel hub with the granule of polishing that is small, but need frequently change different grinding apparatus with wheel hub according to the preface, need fixed wheel hub repeatedly, the operation is comparatively loaded down with trivial details, has reduced production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a wheel hub grinding device.

An embodiment of the utility model provides a hub grinding device, include: the device comprises a rack, a plurality of grinding particles, a magnetizing assembly and a demagnetizing assembly;

the rack is provided with an accommodating groove, a hub bracket and a rotary driving assembly, the hub bracket is rotationally connected with the rack and is arranged in the accommodating groove, and the rotary driving assembly is in transmission connection with the hub bracket and drives the hub bracket to rotate;

the grinding particles are arranged in the accommodating groove and comprise magnetic bodies and nonmagnetic bodies, the magnetic bodies are fixedly arranged on one sides of the nonmagnetic bodies, and the grinding particles are adsorbed by the magnetic bodies to form large grinding particles;

the magnetizing assembly is arranged on the rack, is arranged around the accommodating groove and is used for magnetizing the magnetic body, and the demagnetizing assembly is arranged on the rack, is arranged around the accommodating groove and is used for demagnetizing the magnetic body;

the controller is respectively in signal connection with the magnetizing assembly, the demagnetizing assembly and the rotary driving assembly

Compared with the prior art, the utility model discloses a wheel hub grinding device can make the granule of polishing form great granule through the granule of polishing mutual attraction to be used for carrying out the corase grind to wheel hub, after the corase grind is accomplished, come to demagnetize the magnetic part of the granule of polishing through the demagnetization subassembly, thereby make the granule of polishing lose magnetism and part each other, thereby carry out the correct grinding to wheel hub, consequently need not change wheel hub to different grinding apparatus in, improved production efficiency.

In some optional embodiments, the magnetic body is disposed inside the non-magnetic body, and a side surface of the non-magnetic body far from the magnetic body has a roughness greater than a roughness of a side surface of the non-magnetic body near to the magnetic body.

In some optional embodiments, one side of the non-magnetic body is formed with a groove, the magnetic body is disposed in the groove, and a portion thereof protrudes out of the groove, and a roughness of a surface of the non-magnetic body is greater than a roughness of a surface of the magnetic body.

In some alternative embodiments, the magnetic body has a volume smaller than the volume of the non-magnetic body.

In some alternative embodiments, the cross-section of the non-magnetic body gradually increases in a direction away from the magnetic body.

In some optional embodiments, the magnetizing assembly comprises a plurality of magnetizing coil columns, and the plurality of magnetizing coil columns are uniformly arranged on two sides of the accommodating groove.

In some optional embodiments, two guide rails are disposed on the frame, and the two guide rails are respectively located at two sides of the accommodating groove;

the demagnetizing assembly comprises a connecting frame, two moving frames, a plurality of demagnetizing coil columns and a translation driving assembly, wherein the two moving frames are connected through the connecting frame, and the demagnetizing coil columns are arranged in the moving frames and the connecting frame;

the connecting frame is located above the containing groove, the two moving frames are located on two sides of the containing groove respectively and are movably connected with the two guide rails respectively, the translation driving assembly is in transmission connection with the moving frames, and the moving frames are driven to move from one side of the containing groove to the other side along the guide rails.

In some optional embodiments, the wheel hub support includes base, stand, a plurality of briquetting and flexible subassembly, the base sets up in the storage tank, with the transmission of rotary driving subassembly is connected, the stand sets up on the base, be formed with the cavity in the stand, the side of cavity is formed with a plurality of openings, the opening centers on the cavity is arranged, the briquetting activity sets up in the cavity, be provided with the rake on the briquetting, flexible end butt of flexible subassembly is in on the rake, promotes the briquetting stretches out from the opening outside the cavity.

In some optional embodiments, an elastic cushion block and an elastic member are arranged on the top pressing block, the elastic cushion block is connected with one end, away from the cavity, of the top pressing block through the elastic member, and when the top pressing block extends out of the cavity from the opening, the elastic cushion is located outside the cavity.

In some optional embodiments, at least one vibration motor is further disposed on the frame, and the vibration motor is disposed at the bottom of the accommodating groove.

In order to make the present invention more clearly understood, the following description will be made in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a cross-sectional view of a hub grinding device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a large abrasive particle according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a large abrasive particle in accordance with an embodiment of the present invention;

fig. 4 is a process diagram of the hub grinding device according to an embodiment of the present invention when grinding a hub;

fig. 5 is a schematic view of a large abrasive particle according to another embodiment of the present invention;

fig. 6 is a partial cross-sectional view of the top of the wheel hub grinding device in accordance with an embodiment of the present invention;

fig. 7 is a cross-sectional view of a hub bracket according to an embodiment of the present invention;

fig. 8 is an enlarged view of a point a shown in fig. 7.

Description of the reference numerals:

10. a frame; 11. a containing groove; 12. a hub bracket; 121. a base; 122. a column; 1221. a cavity; 123. pressing the block; 1231. an inclined portion; 1232. an elastic cushion block; 1233. an elastic member; 124. a telescoping assembly; 13. a rotary drive assembly; 14. a guide rail; 15. a lifting assembly; 16. vibrating a motor; 20. Grinding the particles; 21. a magnetic body; 22. a non-magnetic body; 221. a groove; 30. a magnetizing assembly; 31. a magnetizing coil post; 40. a demagnetization component; 41. a connecting frame; 42. moving the frame; 43. a demagnetizing coil column; 44. a translation drive assembly; 50. a hub.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, "a plurality" means 2 or more than 2 unless otherwise specified.

Please refer to fig. 1, which is a cross-sectional view of a hub polishing device according to an embodiment of the present invention, the hub polishing device includes: a frame 10, a plurality of abrasive particles 20, a magnetizing assembly 30, and a demagnetizing assembly 40.

Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of a large polishing particle according to an embodiment of the present invention, fig. 3 is a cross-sectional view of the large polishing particle according to an embodiment of the present invention, fig. 4 is a process diagram of a hub polishing device according to an embodiment of the present invention during polishing a hub, a frame 10 is provided with a containing groove 11, a hub bracket 12 and a rotation driving assembly 13, the hub bracket 12 is rotatably connected to the frame 10 and is disposed in the containing groove 11, the rotation driving assembly 13 is in transmission connection with the hub bracket 12, and drives the hub bracket 12 to rotate; the grinding particles 20 are arranged in the accommodating groove 11, the grinding particles 20 comprise magnetic bodies 21 and nonmagnetic bodies 22, the magnetic bodies 21 are fixedly arranged on one sides of the nonmagnetic bodies 22, and the plurality of grinding particles 20 are mutually adsorbed by the magnetic bodies 21 to form large grinding particles; the magnetizing assembly 30 is disposed on the frame 10, and disposed around the accommodating groove 11, and is used for magnetizing the magnetic body 21, and the demagnetizing assembly 40 is disposed on the frame 10, and disposed around the accommodating groove 11, and is used for demagnetizing the magnetic body 21. The hub 50 can be rough and finish ground by mounting it to the hub carrier 12. During rough grinding, the magnetizing assembly 30 magnetizes the magnetic part, so that the magnetic part has magnetism, after the magnetic parts of the grinding particles 20 are mutually adsorbed, the plurality of grinding particles 20 jointly form large grinding particles 20, in the large grinding particles 20, the magnetic part is located at the middle position due to mutual attraction, the non-magnetic part is located outside the large grinding particles 20, so that the magnetic parts in the adjacent large grinding particles 20 are far away, further, the attraction between the adjacent large grinding particles 20 is small and cannot be gathered together, the rotary driving assembly 13 drives the hub support 12 to rotate, further, the hub 50 rotates, and the large grinding particles 20 roughly grind the hub 50. After the corase grind is accomplished, carry out the accurate grinding, when the accurate grinding, demagnetization subassembly 40 carries out demagnetization to the magnetic part in the storage tank 11, and the magnetic part loses magnetism, and the magnetic part of the granule 20 of polishing in the same big granule 20 of polishing can not attract each other, and then makes big granule 20 of polishing disperse into a plurality of granules 20 of polishing, and rotation driving subassembly 13 drive wheel hub support 12 is rotatory, and then makes wheel hub 50 rotatory, and the granule 20 of polishing carries out the accurate grinding to wheel hub 50. Since the hub 50 can be roughly ground and finely ground or polished without taking out the hub 50, the hub 50 does not need to be repeatedly mounted and fixed, and the production efficiency is improved. Of course, only finish grinding or only rough grinding may be performed according to actual needs.

Since a large amount of grinding is required in the rough grinding, in some alternative embodiments, the magnetic body 21 is disposed inside the nonmagnetic body 22, and the roughness of the side of the nonmagnetic body 22 away from the magnetic body 21 is larger than the roughness of the side of the nonmagnetic body 22 close to the magnetic body 21. Since the side surface of the non-magnetic body 22 away from the magnetic body 21 is located outside the large grinding particles, the side surface of the non-magnetic body 22 away from the magnetic body 21 mainly comes into contact with the hub 50 during rough grinding, so that the hub 50 can be ground more effectively, and the grinding amount can be increased.

Referring to fig. 5, which is a schematic structural view of a large polishing granule according to another embodiment of the present invention, since a required grinding amount is relatively large during rough grinding, in some optional embodiments, a groove 221 is formed on one side of the non-magnetic body 22, the magnetic body 21 is disposed in the groove 221, a portion of the magnetic body extends out of the groove 221, and a roughness of a surface of the non-magnetic body 22 is greater than a roughness of a surface of the magnetic body 21. During rough grinding, the magnetic bodies 21 are positioned among the large grinding particles, and the surfaces of the non-magnetic bodies 22 are mainly in contact with the hub 50, so that the non-magnetic bodies 22 with higher roughness grind the hub 50 more effectively, and the grinding amount is increased.

Since the magnetic body 21 is located at the middle of the large abrasive grains and the non-magnetic member is located at the outer side of the large abrasive grains, in order to reduce the gap between the non-magnetic bodies 22, thereby increasing the area of the large abrasive grains contacting the hub 50 when abrading, in some alternative embodiments, the volume of the magnetic body 21 is smaller than that of the non-magnetic bodies 22. In the present embodiment, the cross section of the nonmagnetic body 22 gradually increases in a direction away from the magnetic body 21.

The magnetic body 21 may be made of a soft magnetic material that is easily magnetized and demagnetized, an iron-silicon alloy (silicon steel), various soft magnetic ferrites, or the like, and the non-magnetic body 22 may be made of a material that is not magnetized, is hardly magnetized, and has a low magnetic susceptibility, such as an aluminum alloy, a magnesium alloy, a resin, a rubber, a plastic, an organic abrasive, or the like.

Referring to fig. 6, which is a partial cross-sectional view of the top of the hub grinding device according to an embodiment of the present invention, in some alternative embodiments, the magnetizing assembly 30 includes a plurality of magnetizing coil posts 31, and the plurality of magnetizing coil posts 31 are uniformly disposed on both sides of the accommodating groove 11. Magnetization, i.e. magnetization of magnetic substances or increase of magnetism of magnets with insufficient magnetism. Generally, a magnetizable object to be magnetized is placed in a strong magnetic field formed by a coil through which current passes. The magnetic field generated by the magnetizing coil pole 31 magnetizes the magnetic body 21 in the housing 11. Of course, the manner and structure of the magnetizing assembly 30 is not limited thereto, and other suitable manners and structures for magnetizing may be selected by those skilled in the art according to the teachings of the present invention.

In some optional embodiments, two guide rails 14 are disposed on the frame 10, and the two guide rails 14 are respectively located at the left and right sides of the accommodating groove 11; the demagnetizing assembly 40 comprises a connecting frame 41, two moving frames 42, a plurality of demagnetizing coil columns 43 and a translation driving assembly 44, wherein the two moving frames 42 are connected through the connecting frame 41, and the demagnetizing coil columns 43 are arranged in the moving frames 42 and the connecting frame 41; the connecting frame 41 is located above the accommodating groove 11, the two moving frames 42 are located at two sides of the accommodating groove 11 respectively and are movably connected with the two guide rails 14 respectively, and the translation driving assembly 44 is in transmission connection with the moving frames 42 to drive the moving frames 42 to move to and fro at the front side and the rear side of the accommodating groove 11 along the guide rails 14. In the embodiment, demagnetization is performed by adopting a passing method, alternating current is introduced into the demagnetization coil column 43, and the translation driving assembly 44 drives the moving frame 42 to move, so that the moving frame 42 is gradually far away from the accommodating groove 11 along the guide rail 14, a magnetic field received by the magnetic part and generated by the demagnetization coil column 43 is gradually attenuated to zero, and demagnetization is further realized. Of course, the structure of the demagnetization module 40 is not limited to this, and according to the principle of different demagnetizing, those skilled in the art can also select other suitable structures according to the teachings of the present invention, for example, when dc demagnetization is adopted, a plurality of demagnetizing coil posts 43 are arranged around the containing slot 11, dc is supplied to the demagnetizing coil posts 43, and demagnetization is performed by continuously changing the direction of dc, and simultaneously decreasing the current passing through the workpiece to zero.

The structure of the guide track 14 can be appropriately designed according to actual needs, for example, a sliding chute is adopted, and the moving frame 42 is slidably connected with the sliding chute through a sliding block; alternatively, the guide rail 14 is a guide shaft, and the moving frame 42 is slidably connected to the guide shaft through a guide hole.

Referring to fig. 7 and 8, fig. 7 is a cross-sectional view of a hub bracket according to an embodiment of the present invention, fig. 8 is an enlarged view of a position a shown in fig. 7, in some alternative embodiments, the hub bracket 12 includes a base 121, a pillar 122, a plurality of pressing blocks 123 and a telescopic assembly 124, the base 121 is disposed in the accommodating groove 11 and is in transmission connection with the rotary driving assembly 13, the pillar 122 is disposed on the base 121, a cavity 1221 is formed in the pillar 122, a plurality of openings are formed on a side surface of the cavity 1221, the openings are arranged around the cavity 1221, the pressing blocks 123 are movably disposed in the cavity 1221, an inclined portion 1231 is disposed on the pressing blocks 123, and a telescopic end of the telescopic assembly 124 abuts against the inclined portion 1231 to push the pressing blocks 123 to extend out of the cavity 1221 from the openings. When the hub 50 is fixed, the upright post 122 is inserted into the shaft hole in the middle of the hub 50, the telescopic end of the telescopic assembly 124 moves along the inclined portion 1231, and then the pressing block 123 is driven to move out of the cavity 1221, and the pressing block 123 presses against the inner wall of the shaft hole of the hub 50, so that the hub 50 is fixed. Of course, the structure of the hub bracket 12 is not limited thereto, and other suitable structures can be selected by those skilled in the art according to the teachings of the present invention, for example, the hub bracket 12 is provided with a plurality of clamping posts, the clamping posts extend into between two adjacent spokes of the hub 50, and each clamping post moves along the radial direction of the hub under the driving of the cylinder, so as to further hold the side surface of the mounting disc in the middle of the hub 50, thereby fixing the hub 50. It should be noted that the hub 50 mentioned in this embodiment includes a mounting plate, spokes and a rim, the mounting plate is connected with the rim through the spokes, and a shaft hole is provided on the mounting plate, but of course, in other embodiments, the hub bracket 12 may be designed according to the specific structure of the hub 50.

Preferably, the opening is oriented at an angle of 30 ° to 60 ° with respect to the inclined portion 1231, for example, in the present embodiment, the opening is oriented at an angle of 45 ° with respect to the inclined portion 1231.

In some alternative embodiments, the pressing block 123 is provided with an elastic cushion 1232 and an elastic member 1233, the elastic cushion 1232 is connected to an end of the pressing block 123 away from the cavity 1221 through the elastic member 1233, and when the pressing block 123 extends out of the cavity 1221 from the opening, the elastic cushion is located outside the cavity 1221. The elastic cushion block 1232 is abutted to the inner wall of the shaft hole of the hub 50, so that a buffering effect can be achieved, and the abrasion of the top pressing block 123 to the shaft hole of the hub 50 is reduced. The elastic pad may be a rubber block to improve static friction with the shaft hole of the hub 50, and the elastic member 1233 may be a spring.

The telescoping assembly 124 may be an air cylinder, an electric cylinder, or a hydraulic cylinder.

In this embodiment, the frame 10 is further provided with a lifting assembly 15, the lifting assembly 15 is connected to the hub bracket 12 through the rotary driving assembly 13, the hub bracket 12 and the rotary driving assembly 13 are driven to lift together, before the hub 50 is placed on the hub bracket 12, the hub bracket 12 is lifted above the polishing particles 20 in the accommodating groove 11, and after the hub 50 is mounted, the hub bracket 12 is lowered, so that the hub 50 is immersed in the polishing particles 20 in the accommodating groove 11.

The lifting assembly 15 and the translation driving assembly 44 may be designed appropriately according to actual needs, for example, a screw rod driving assembly, a rotary motor translation driving assembly, a belt translation driving assembly, an air cylinder translation driving assembly, or a linear motor translation driving assembly is adopted. The working principle of the screw rod driving assembly, the rotary motor translation driving assembly, the belt translation driving assembly, the cylinder translation driving assembly or the linear motor translation driving assembly is well known by those skilled in the art, and detailed description thereof is omitted.

The rotary driving assembly 13 can be a motor, and an output shaft of the motor is in transmission connection with the hub bracket 12.

In some optional embodiments, at least one vibration motor 16 is further disposed on the frame 10, and the vibration motor 16 is disposed at the bottom of the accommodating groove 11. During fine grinding, the vibration motor 16 is activated to vibrate the grinding particles 20 to perform vibration grinding on the hub 50.

In this embodiment, the hub grinding device further includes a controller, the controller is in signal connection with the rotation driving assembly 13, the lifting assembly 15, the vibration motor 16, the magnetizing coil post 31, the demagnetizing coil post 43 and the translation driving assembly 44, and is used for controlling the rotation driving assembly 13, the lifting assembly 15, the vibration motor 16, the magnetizing coil post 31, the demagnetizing coil post 43 and the translation driving assembly 44 to be started and closed, wherein the magnetizing coil post 31 and the demagnetizing coil post 43 are connected with a power supply through the controller, and the controller controls the connection or disconnection between the magnetizing coil post 31 and the demagnetizing coil post 43 and the power supply.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hub grinding device, comprising: the device comprises a rack, a plurality of grinding particles, a magnetizing assembly, a demagnetizing assembly and a controller;

the magnetizing assembly is arranged on the rack, surrounds the accommodating groove and is used for magnetizing the magnetic body, and the demagnetizing assembly is arranged on the rack, surrounds the accommodating groove and is used for demagnetizing the magnetic body;

the controller is respectively in signal connection with the magnetizing assembly, the demagnetizing assembly and the rotary driving assembly.

2. A hub grinding apparatus according to claim 1, wherein: the magnetic body is arranged in the non-magnetic body, and the roughness of the side surface of the non-magnetic body far away from the magnetic body is larger than that of the side surface of the non-magnetic body close to the magnetic body.

3. A hub grinding apparatus according to claim 1, wherein: one side of the non-magnetic body is provided with a groove, the magnetic body is arranged in the groove, part of the magnetic body extends out of the groove, and the roughness of the surface of the non-magnetic body is larger than that of the surface of the magnetic body.

4. A hub grinding apparatus according to claim 1, wherein: the volume of the magnetic body is smaller than the volume of the non-magnetic body.

5. A hub grinding apparatus according to claim 4, wherein: the cross section of the non-magnetic body gradually increases in a direction away from the magnetic body.

6. A hub grinding apparatus according to any one of claims 1 to 5, wherein: the magnetizing assembly comprises a plurality of magnetizing coil columns which are uniformly arranged on two sides of the accommodating groove.

7. A hub grinding apparatus according to any one of claims 1 to 5, wherein: the rack is provided with two guide rails which are respectively positioned at two sides of the accommodating groove;

the connecting frame is located above the accommodating groove, the two moving frames are located on two sides of the accommodating groove respectively and are movably connected with the two guide rails respectively, the translation driving assembly is in transmission connection with the moving frames to drive the moving frames to move along the guide rails from one side of the accommodating groove to the other side of the accommodating groove.

8. A hub grinding apparatus according to any one of claims 1 to 5, wherein: the wheel hub support includes base, stand, a plurality of top briquetting and flexible subassembly, the base sets up in the storage tank, with the transmission of rotary drive subassembly is connected, the stand sets up on the base, be formed with the cavity in the stand, the side of cavity is formed with a plurality of openings, the opening centers on the cavity is arranged, top briquetting activity sets up in the cavity, be provided with the rake on the top briquetting, flexible subassembly's flexible end butt is in on the rake, promote top briquetting is followed the opening stretches out outside the cavity.

9. A hub grinding apparatus according to claim 8, wherein: the top pressing block is provided with an elastic cushion block and an elastic piece, the elastic cushion block is connected with one end, far away from the cavity, of the top pressing block through the elastic piece, and when the top pressing block extends out of the cavity from the opening, the elastic cushion is located outside the cavity.

10. A hub grinding apparatus according to any one of claims 1 to 5, wherein: the rack is also provided with at least one vibration motor, and the vibration motor is arranged at the bottom of the accommodating groove.