Grinding equipment

Abstract

The utility model discloses polishing equipment which comprises an operation table. The limiting device extends in the first direction, is arranged on the operation table and is used for fixing a tire; the translation device comprises a sliding part, the sliding part is slidably arranged on the operation table in the first direction, and the sliding part can be switched between a first position and a second position in the first direction; the grinding device is arranged on the operation table in the first direction, the limiting device and the grinding device are arranged on the operation table in a spaced mode, the grinding device comprises a plurality of grinding parts and a first support, the multiple grinding parts are arranged on the first support in the circumferential direction at intervals, the first support is rotatably arranged on the sliding part in the second direction, and the first direction is perpendicular to the second direction; at the first position, the plurality of polishing parts are arranged around the limiting device and are used for polishing the tread of the tire; and at the second position, the multiple polishing parts can rotate along with the first bracket in the second direction and are used for polishing the tire side wall of the tire. The tire polishing device can improve the tire polishing effect.

Description

Technical Field

[0001] The utility model relates to the field of tire grinding, in particular to a grinding device. Background Art

[0002] Tires are circular, rolling, ground-contacting elastic rubber products installed on various vehicles or machinery. They are usually installed on metal rims and can support the vehicle body, cushion external impacts, achieve contact with the road surface, and ensure the vehicle's driving performance. Tires are often used under complex and harsh conditions. They are subjected to various deformations, loads, forces, and high and low temperature effects during driving, so they must have high load-bearing performance, traction performance, and cushioning performance.

[0003] During tire processing, a large number of burrs are generated, which affect the next step of the process. Therefore, the burrs on the tire surface need to be polished and removed. The existing tire burr polishing is removed by manual handheld polishing tools. The polishing position needs to be adjusted many times during the polishing process, which is not only inefficient but also labor-intensive.

[0004] The grinding device in the prior art merely replaces the manual grinding process, and is usually only able to grind tires of a fixed size, and is not applicable to tires of different sizes. In addition, the device is unable to grind the edges and corners of the tire, resulting in a poor grinding effect. Utility Model Content

[0005] The purpose of the present invention is to solve the problem that the grinding device cannot grind the edges and corners of the tire and the grinding effect is poor. The present invention provides a grinding device that can grind the edges and corners of the tire to improve the grinding effect of the grinding device.

[0006] In order to solve the above technical problems, the embodiment of the present utility model discloses a grinding device, comprising:

[0007] operating table;

[0008] a limiting device extending along the first direction, the limiting device being provided on the operating table and being used to fix the tire;

[0009] A translation device comprising a sliding portion, the sliding portion being slidably provided on the operating table along the first direction, the sliding portion being switchable between a first position and a second position along the first direction;

[0010] A grinding device, wherein the limiting device and the grinding device are spaced apart and arranged on the operating table along the first direction, the grinding device comprises a plurality of grinding parts and a first bracket, the plurality of grinding parts are spaced apart and arranged on the first bracket along the circumferential direction, the first bracket is rotatably arranged on the sliding part about a second direction, and the first direction is perpendicular to the second direction;

[0011] In the first position, the multiple grinding parts are arranged around the limiting device for grinding the tread of the tire; in the second position, the multiple grinding parts can rotate around the second direction along with the first bracket for grinding the sidewall of the tire.

[0012] By adopting the above technical solution, when grinding the tread of the tire, the sliding portion is located in the first position, and the first bracket and the grinding portion connected to the sliding portion are also in the first position. At this time, multiple grinding portions are arranged on the first bracket around the limiting device, that is, after the tire is installed on the limiting device, the multiple grinding portions can be arranged around the tread of the tire for grinding the tread of the tire. When grinding the sidewall of the tire, the sliding portion is located in the second position, and the first bracket and the grinding portion connected to the sliding portion are also in the second position. At this time, the angle of the first bracket rotating around the second direction can be adjusted for grinding the sidewall of the tire. In this way, it is possible to grind the corners of the tire, etc., to improve the grinding effect of the grinding equipment. By simultaneously grinding the tread and the sidewall, etc. through the grinding equipment, it is possible to improve the grinding efficiency.

[0013] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a grinding device, wherein the grinding device includes a second bracket, a first rotating part and a second rotating part, the second bracket is connected to the sliding part, the first rotating part is connected to the first bracket, the first rotating part and the second rotating part are arranged on the second bracket, the second rotating part is used to rotate around the first direction, the first rotating part and the second rotating part are rotatably connected, and when the second rotating part rotates around the first direction, the second rotating part drives the first rotating part to rotate around the second direction.

[0014] According to another specific embodiment of the present invention, the embodiment of the present invention discloses a grinding device, wherein along the third direction, the second bracket is arranged between the sliding part and the first bracket, the second bracket includes a first protrusion and a second protrusion, the first protrusion and the second protrusion are arranged at intervals along the second direction, and along the second direction, the first rotating part is rotatably arranged between the first protrusion and the second protrusion.

[0015] By adopting the above technical solution, the first rotating part can be rotatably arranged between the first convex part and the second convex part, and the first convex part and the second convex part are spaced apart along the second direction, which can limit the first rotating part in the second direction and ensure that the first rotating part can rotate stably around the second direction.

[0016] According to another specific embodiment of the present invention, the embodiment of the present invention discloses a grinding device, the second bracket includes a third protrusion and a fourth protrusion, the third protrusion and the fourth protrusion are arranged at intervals along the first direction, along the first direction, the two ends of the second rotating part are rotatably connected to the third protrusion and the fourth protrusion respectively, along the third direction, the first protrusion is arranged on the side of the third protrusion and the fourth protrusion facing the first bracket, and the second protrusion is arranged on the side of the third protrusion and the fourth protrusion facing the first bracket.

[0017] By adopting the above technical solution, the two ends of the second rotating part are rotatably connected to the third protrusion and the fourth protrusion respectively, and the third protrusion and the fourth protrusion are arranged at intervals along the first direction, which can limit the second rotating part in the first direction, ensuring that the second rotating part can rotate stably around the first direction, and then drive the first rotating part to rotate stably around the second direction.

[0018] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a grinding device, wherein the first rotating part includes a worm wheel, the second rotating part includes a worm, and the worm wheel and the worm are meshed.

[0019] By adopting the above technical solution, the first bracket is controlled to rotate around the second direction through the cooperation of the worm gear, which has the advantages of smooth transmission and low noise.

[0020] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a grinding device, the operating table includes a slide groove, the translation device includes a screw, the screw is arranged in the slide groove, and is used to rotate around the first direction. Along the third direction, the third protrusion and the fourth protrusion are both arranged on the side of the sliding part facing the first bracket, and the sliding part is slidably arranged on the screw along the first direction.

[0021] By adopting the above technical solution, the sliding part can make reciprocating motion in the first direction through the rotation of the screw, thereby driving the grinding device as a whole to move closer to or away from the limit device in the first direction, thereby being able to fully grind the tread of the tire and improve the grinding effect.

[0022] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a grinding device, which includes a first driving part and a second driving part. Along the first direction, the first driving part is arranged on the side of the third protrusion facing away from the fourth protrusion, the first driving part is connected to the second rotating part, the second driving part is arranged on the side of the operating table, and the second driving part is connected to the screw.

[0023] By adopting the above technical solution, the rotation control of the second rotating part and the lead screw is realized respectively by the first driving part and the second driving part, which can improve the automation level of the equipment.

[0024] According to another specific embodiment of the present invention, an embodiment of the present invention discloses a grinding device, wherein the limiting device includes a support plate, a threaded sleeve, and a screw, wherein the support plate is provided on the operating table, and along the first direction, the threaded sleeve is provided on a side of the support plate facing the grinding device, and the screw is slidably provided on an end of the threaded sleeve close to the grinding device along the first direction;

[0025] The limiting device includes a limiting portion for abutting against the toe of the tire. Along the first direction, both ends of the limiting portion are rotatably connected to the screw and the threaded sleeve respectively. When the screw moves away from the threaded sleeve in the first direction, the limiting portion moves toward the screw along the third direction; when the screw moves toward the threaded sleeve in the first direction, the limiting portion moves away from the screw along the third direction.

[0026] With the above technical solution, when the screw moves away from the threaded sleeve in the first direction, the limiting portion moves toward the screw along the third direction; when the screw moves toward the threaded sleeve in the first direction, the limiting portion moves away from the screw along the third direction.

[0027] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a grinding device, the limiting device includes a third driving part, along the first direction, the third driving part is arranged on the side of the support plate facing away from the threaded pipe sleeve, and the third driving part is connected to the threaded pipe sleeve.

[0028] By adopting the above technical solution, the rotation control of the threaded sleeve is achieved through the third driving unit, which can further improve the automation level of the equipment.

[0029] According to another specific embodiment of the present invention, the embodiment of the present invention discloses a grinding device, wherein the first bracket includes a first part, a second part, and a third part arranged at intervals along the circumferential direction, along the third direction, the first part and the operating table are arranged at intervals, along the second direction, the second part and the third part are arranged at intervals, and the first part, the second part, and the third part are all provided with the grinding part.

[0030] By adopting the above technical solution, the first part is spaced apart from the operating table along the third direction, and the second part is spaced apart from the third part along the second direction. The first part, the second part and the third part are all provided with grinding parts, so that the top and sides of the tire can be polished, which can improve the polishing effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional schematic diagram of the grinding equipment provided in an embodiment of the present application is shown.

[0032] Figure 2 An isometric view of a grinding device provided in an embodiment of the present application is shown.

[0033] Figure 3 A cross-sectional view of a grinding device provided in an embodiment of the present application is shown.

[0034] Figure 4 An axial side cross-sectional view of the grinding device provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0035] The following is an explanation of the implementation of the present invention by means of specific specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to this implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present invention. In order to provide an in-depth understanding of the present invention, the following description will contain many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0036] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0037] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the utility model.

[0038] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0039] In the description of this embodiment, it should be noted that, unless otherwise specified or limited, the terms "disposed," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this embodiment based on specific circumstances.

[0040] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0041] In some embodiments, see Figure 1 、 Figure 2 、 Figure 3 The present application provides a grinding device 1, which includes an operating table 10, a limiting device 20, a grinding device 30, and a translation device 40. The limiting device 20 extends along a first direction X and is disposed on the operating table 10 for fixing a tire. The limiting device 20 and the grinding device 30 are spaced apart from each other on the operating table 10 along the first direction X. Exemplarily, the operating table 10 is plate-shaped. It is understood that the operating table 10 may also be in other shapes, such as a columnar shape, and this application does not limit this.

[0042] In some embodiments, see Figure 1 、 Figure 2 、 Figure 3 The translation device 40 includes a sliding portion 41, which is slidably disposed on the operating table 10 along a first direction X. The sliding portion 41 can switch between a first position and a second position along the first direction X. Along the first direction X, the limiting device 20 and the grinding device 30 are spaced apart on the operating table 10. The grinding device 30 includes a plurality of grinding portions 31 and a first bracket 32. The plurality of grinding portions 31 are spaced apart along a circumferential direction R on the first bracket 32. The first bracket 32 is rotatably disposed on the sliding portion 41 about a second direction Y. The first direction X and the second direction Y are perpendicular. In the first position, the plurality of grinding portions 31 surround the limiting device 20 and are disposed on the first bracket 32 for grinding the tire tread. In the second position, the plurality of grinding portions 31 can rotate along the first bracket 32 about the second direction Y for grinding the tire sidewall.

[0043] With the above technical solution, during the grinding operation, the sliding portion 41 reciprocates along the first direction X on the operating table 10 to move the grinding device 30 closer to or farther from the limiting device 20 along the first direction X, thereby fully grinding the tire tread. When fine grinding is required at the corners of the tire, such as the sidewall or shoulder, the first bracket 32 is rotated about the second direction Y, so that the grinding portion 31 can also rotate about the second direction Y, thereby adjusting the grinding portion 31 to the corner of the tire for further grinding, thereby improving the grinding effect and efficiency of the grinding device 1.

[0044] In some embodiments, see Figure 1 、 Figure 2 、 Figure 3 The operating table 10 includes a slide 11, and the translation device 40 includes a screw 42. The screw 42 is disposed in the slide 11 and is configured to rotate in a first direction X. Both the screw 42 and the slide 11 extend along the first direction X. In some embodiments, the polishing device 1 includes a second drive unit (not shown) disposed on a side of the operating table 10 and connected to the screw 42. When the second drive unit is activated, it drives the screw 42 to rotate in the first direction X, thereby driving the sliding portion 41 to reciprocate along the screw 42 in the first direction X. This in turn causes the second bracket 33 of the polishing device 30 and the first bracket 32 disposed on the second bracket 33 to synchronously reciprocate in the first direction X, thereby more effectively polishing various locations on the tire surface. Exemplarily, the second drive unit includes a motor. It is understood that the screw 42 can also be rotated manually in the first direction X, but this is not limited to this aspect of the present application. Exemplarily, the sliding portion 41 includes a screw nut for engaging with the screw 42.

[0045] In some embodiments, see Figure 1 、 Figure 2 、 Figure 3 The polishing device 30 includes a first rotating portion 301 and a second rotating portion 302. The first rotating portion 301 is connected to the first bracket 32, and the second rotating portion 302 is disposed on the sliding portion 41. The second rotating portion 302 is configured to rotate about a first direction X. The first rotating portion 301 and the second rotating portion 302 are rotatably connected. When the second rotating portion 302 rotates about the first direction X, the second rotating portion 302 drives the first rotating portion 301 to rotate about a second direction Y. In some embodiments, the first rotating portion 301 includes a worm gear, and the second rotating portion 302 includes a worm, and the worm gear and the worm are meshed.

[0046] In some embodiments, the grinding device 30 includes a second bracket 33, and along the third direction Z, the second bracket 33 is arranged between the sliding part 41 and the first bracket 32. The second bracket 33 includes a first protrusion 331 and a second protrusion 332. The first protrusion 331 and the second protrusion 332 are arranged at intervals along the second direction Y. Along the second direction Y, the first rotating part 301 is rotatably arranged between the first protrusion 331 and the second protrusion 332.

[0047] In some embodiments, the second bracket 33 includes a third protrusion 333 and a fourth protrusion 334, and the third protrusion 333 and the fourth protrusion 334 are arranged at intervals along the first direction X. Along the first direction X, the two ends of the second rotating portion 302 are rotatably connected to the third protrusion 333 and the fourth protrusion 334, respectively. Along the third direction Z, the first protrusion 331 is arranged on the side of the third protrusion 333 and the fourth protrusion 334 facing the first bracket 32, and the second protrusion 332 is arranged on the side of the third protrusion 333 and the fourth protrusion 334 facing the first bracket 32.

[0048] In some embodiments, along the third direction Z, the third protrusion 333 and the fourth protrusion 334 are both provided on the side of the sliding portion 41 facing the first bracket 32, and the sliding portion 41 is slidably provided on the lead screw 42 along the first direction X. The second bracket 33 is slidably provided on the operating table 10 along the first direction X. Exemplarily, the first protrusion 331 and the second protrusion 332 extend along the first direction X. Along the third direction Z, the third protrusion 333 and the fourth protrusion 334 are provided between the operating table 10 and the first protrusion 331, and the two ends of the first protrusion 331 are provided at the third protrusion 333 and the fourth protrusion 334, respectively. Along the third direction Z, the third protrusion 333 and the fourth protrusion 334 are provided between the operating table 10 and the second protrusion 332, and the two ends of the second protrusion 332 are provided at the third protrusion 333 and the fourth protrusion 334, respectively.

[0049] Exemplarily, the first protrusion 331, the second protrusion 332, the third protrusion 333, and the fourth protrusion 334 are all plate-shaped. It can be understood that this application does not limit the shapes of the first protrusion 331, the second protrusion 332, the third protrusion 333, and the fourth protrusion 334. For example, they can also be other shapes such as columns.

[0050] In some embodiments, see Figure 1 、 Figure 2 、 Figure 3The grinding device 1 includes a first driving unit 50. The first driving unit 50 is located on the side of the third protrusion 333 facing away from the fourth protrusion 334 along the first direction X. The first driving unit 50 is connected to the second rotating unit 302. When the first driving unit 50 drives the second rotating unit 302 to rotate in the first direction X, it can drive the first rotating unit 301 to rotate in the second direction Y, thereby achieving detailed grinding of the curves and sides of the tire. Exemplarily, the first driving unit 50 is a motor.

[0051] In some embodiments, see Figure 1 、 Figure 2 、 Figure 3 The first bracket 32 includes a first part 321, a second part 322, and a third part 323 that are spaced apart along the circumferential direction R. The first part 321, the second part 322, and the third part 323 are all extended along the first direction X. Along the third direction Z, the first part 321 is spaced apart from the operating table 10. Along the second direction Y, the second part 322 and the third part 323 are spaced apart. The first part 321, the second part 322, and the third part 323 are all provided with a grinding portion 31.

[0052] Exemplarily, the first bracket 32 includes a first connecting column 324 and a second connecting column 325, wherein the first connecting column 324 extends along the third direction Z, and the second connecting column 325 extends along the second direction Y, and the first connecting column 324 and the second connecting column 325 are connected to form a "cross" shape, the first part 321 is arranged at one end of the first connecting column 324 away from the operating table 10 in the third direction Z, and the second part 322 and the third part 323 are respectively arranged at the opposite ends of the second connecting column 325 in the second direction Y.

[0053] In some embodiments, see Figure 1 、 Figure 2 、 Figure 3 The grinding part 31 includes three groups of grinding components, each group of grinding components is respectively arranged on three parts of the first bracket 32, wherein each group of grinding components includes a grinding roller 311 and a hydraulic device 312, one end of each hydraulic device 312 is connected to each part of the first bracket 32, and the other end is connected to each grinding roller 311, which is used to drive the grinding roller 311 to move closer to or away from the tire.

[0054] When the sliding portion 41 is in the first position, the three grinding rollers 311 are arranged along the circumferential direction R around the limiting portion 24 of the limiting device 20. When the tire is installed on the limiting portion 24, the three grinding rollers 311 are arranged opposite to the tread of the tire in the radial direction (for example, the second direction Y and the third direction Z). Afterwards, the radial positions of the three grinding rollers 311 can be adjusted separately through the three grinding hydraulic devices 312 so that they contact the tread of the tire for grinding.

[0055] When the sliding portion 41 is in the second position, the three grinding rollers 311 are radially staggered with the tread of the tire. At this time, the second rotating portion 302 is driven by the first driving portion 50 to rotate around the first direction X, so as to drive the first rotating portion 301 to rotate around the second direction Y, thereby driving the three grinding rollers 311 to rotate around the second direction Y toward the sidewall until they contact the sidewall for grinding.

[0056] In the above embodiment, the first bracket 32 includes three parts, and correspondingly, the grinding part 31 includes three grinding rollers 311 and three hydraulic devices 312. It can be understood that the first bracket 32 can also include 2 parts, 4 parts, 5 parts, 6 parts, etc., and correspondingly, the grinding part 31 can include 2, 3, 4, 6, etc. numbers of grinding rollers 311 and hydraulic devices 312, and this application does not limit this.

[0057] In some embodiments, see Figure 2 The first connecting column 324 includes a first connecting portion 3241 and a second connecting portion 3242. The first connecting portion 3241 and the second connecting portion 3242 are spaced apart along the second direction Y. Along the third direction Z, the end of the first connecting portion 3241 near the operating table 10 is connected to the first protrusion 331, and the end of the second connecting portion 3242 near the operating table 10 is connected to the second protrusion 332. Exemplarily, the grinding device 30 further includes a rotating shaft 303. Along the second direction Y, the rotating shaft 303 sequentially passes through the first connecting portion 3241, the first protrusion 331, the first rotating portion 301, the second protrusion 332, and the second connecting portion 3242.

[0058] In some embodiments, see Figure 2 、 Figure 3 、 Figure 4 The limiting device 20 includes a support plate 21, a threaded sleeve 22 and a screw 23. The support plate 21 is provided on the operating table 10 along the first direction X. The threaded sleeve 22 is provided on the side of the support plate 21 facing the grinding device 30. The screw 23 is slidably provided on one end of the threaded sleeve 22 close to the grinding device 30 along the first direction X. For example, the threaded sleeve 22 and the screw 23 are connected by threads, and the threaded sleeve 22 will not move along the first direction X. By rotating the screw 23, the screw 23 can be reciprocated along the first direction X based on thread transmission. It can be understood that the present application is not limited to the screw 23 sliding in the threaded sleeve 22 by thread transmission, and the present application does not limit the sliding method of the screw 23 in the threaded sleeve 22.

[0059] The limiting device 20 includes a limiting portion 24, which is used to abut against the toe of the tire. Along the first direction X, the two ends of the limiting portion 24 are rotatably connected to the screw 23 and the threaded sleeve 22 respectively. When the screw 23 moves away from the threaded sleeve 22 in the first direction X, the limiting portion 24 moves toward the screw 23 along the third direction Z; when the screw 23 moves toward the threaded sleeve 22 in the first direction X, the limiting portion 24 moves away from the screw 23 along the third direction Z.

[0060] In some embodiments, see Figure 2 、 Figure 3 The limiting device 20 includes a first rotating connecting part 25 and a second rotating connecting part 26. One end of the first rotating connecting part 25 is connected to the limiting part 24 so as to be rotatable around the second direction Y, and the other end of the first rotating connecting part 25 is rotatable around the second direction Y and is provided on the threaded sleeve 22; one end of the second rotating connecting part 26 is connected to the limiting part 24 so as to be rotatable around the second direction Y, and the other end of the second rotating connecting part 26 is rotatable around the second direction Y and is provided on the screw 23.

[0061] Exemplarily, the first rotating connection part 25 includes a first connecting rod 251 and a second connecting rod 252, and the first connecting rod 251 and the second connecting rod 252 are arranged at intervals along the second direction Y. The second rotating connection part 26 includes a third connecting rod 261 and a fourth connecting rod 262, and the third connecting rod 261 and the fourth connecting rod 262 are arranged at intervals along the second direction Y.

[0062] In some embodiments, see Figure 2 、 Figure 3 、 Figure 4 and combined Figure 1 The limiting portion 24 includes a connecting plate 241 and a limiting plate 242. The connecting plate 241 is protruding from the side of the limiting plate 242 facing the screw rod 23. Along the first direction X, the connecting plate 241 includes a first end 2411 and a second end 2412. The first end 2411 is rotatably connected to the first connecting rod 251 and the second connecting rod 252. Along the second direction Y, the first end 2411 is located between the first connecting rod 251 and the second connecting rod 252. The second end 2412 is rotatably connected to the third connecting rod 261 and the fourth connecting rod 262. Along the second direction Y, the second end 2412 is located between the third connecting rod 261 and the fourth connecting rod 262.

[0063] In some embodiments, see Figure 2 、 Figure 3The limiting device 20 includes a first collar 27 and a second collar 28. The first collar 27 is sleeved on the screw rod 23, and the second collar 28 is sleeved on the threaded sleeve 22. The first collar 27 and the screw rod 23 remain relatively stationary, and the second collar 28 and the threaded sleeve 22 remain relatively stationary. For example, a first connecting block 271 is provided on the surface of the first collar 27, and a second connecting block 281 is provided on the surface of the second collar 28. The third connecting rod 261 and the fourth connecting rod 262 are rotatably connected to the first connecting block 271. Along the second direction Y, the first connecting block 271 is provided between the third connecting rod 261 and the fourth connecting rod 262. The first connecting rod 251 and the second connecting rod 252 are rotatably connected to the second connecting block 281. Along the second direction Y, the second connecting block 281 is provided between the first connecting rod 251 and the second connecting rod 252.

[0064] In some embodiments, see Figure 2 、 Figure 3 、 Figure 4 and combined Figure 1 , four first connecting blocks 271 are provided on the surface of the first ring 27 at intervals, and four second connecting blocks 281 are provided on the surface of the second ring 28 at intervals. The limiting device 20 includes four first rotating connecting parts 25 and four second rotating connecting parts 26. The limiting part 24 includes four connecting plates 241 and four limiting plates 242, wherein each limiting plate 242 and each connecting plate 241 are arranged in a one-to-one correspondence, each first rotating connecting part 25 includes a first connecting rod 251 and a second connecting rod 252, and each second rotating connecting part 26 includes a third connecting rod 261 and a fourth connecting rod 262. The two ends of each first rotating connecting part 25 are rotatably connected to each second connecting block 281 and each connecting plate 241 respectively, and the two ends of each second rotating connecting part 26 are rotatably connected to each first connecting block 271 and each connecting plate 241 respectively.

[0065] It can be understood that the present application does not limit the number of the first connecting block 271, the second connecting block 281, the first rotating connecting part 25, the second rotating connecting part 26, the connecting plate 241 and the limiting plate 242. For example, the number can also be 1, 2, 3, 5, 6, 7, etc.

[0066] Before grinding the tire, the screw 23 can be manually rotated to make the screw 23 reciprocate along the first direction X. During the reciprocating movement of the screw 23 along the first direction X, the first collar 27 will also reciprocate along the first direction X synchronously with the screw 23. The ends of the first rotating connection part 25 and the second rotating connection part 26 rotate, so that the limit part 24 moves away from or closer to the screw 23 in the third direction Z.

[0067] For example, before grinding, the screw 23 is moved toward the threaded sleeve 22 in the first direction X, and the limiting portion 24 is moved away from the screw 23 in the third direction Z until the limiting portion 24 abuts the toe of the tire. This prevents the tire from shifting during grinding. By simply adjusting the distance the screw 23 moves toward or away from the threaded sleeve 22 in the first direction X, the height of the limiting portion 24 relative to the screw 23 in the third direction Z will increase or decrease accordingly, thereby enabling the limiting portion 24 to abut the toes of tires with different inner diameters. After grinding is completed, the screw 23 is moved away from the threaded sleeve 22 in the first direction X, and the limiting portion 24 is moved toward the screw 23 in the third direction Z. The limiting portion 24 no longer abuts the toe of the tire, facilitating tire removal and replacement.

[0068] In some embodiments, see Figure 3 、 Figure 4 and combined Figure 1 The limiting device 20 includes a third driving portion 29, which is disposed on a side of the support plate 21 facing away from the threaded sleeve 22 along the first direction X. The third driving portion 29 is connected to the threaded sleeve 22. For example, the third driving portion 29 passes through the support plate 21 and connects to the threaded sleeve 22, and is configured to drive the threaded sleeve 22 to rotate about the first direction X. During tire grinding, the third driving portion 29 drives the threaded sleeve 22 to rotate, thereby driving the screw 23 and the limiting portion 24 to rotate synchronously, thereby driving the tire to rotate, allowing the grinding unit 31 to fully grind all parts of the tire.

[0069] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above description is provided to further illustrate the present invention in conjunction with specific embodiments, and that the present invention should not be construed as being limited to these descriptions. Those skilled in the art may make various changes in form and detail, including simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A grinding device, characterized in that: include: operating table; a limiting device extending along a first direction, the limiting device being provided on the operating table and being used to fix the tire; A translation device comprising a sliding portion, the sliding portion being slidably provided on the operating table along the first direction, the sliding portion being switchable between a first position and a second position along the first direction; A grinding device, wherein the limiting device and the grinding device are spaced apart and arranged on the operating table along the first direction, the grinding device comprises a plurality of grinding parts and a first bracket, the plurality of grinding parts are spaced apart and arranged on the first bracket along the circumferential direction, the first bracket is rotatably arranged on the sliding part about a second direction, and the first direction is perpendicular to the second direction; In the first position, the multiple grinding parts are arranged around the limiting device for grinding the tread of the tire; in the second position, the multiple grinding parts can rotate around the second direction along with the first bracket for grinding the sidewall of the tire.

2. The grinding device according to claim 1, characterized in that: The grinding device includes a second bracket, a first rotating part and a second rotating part, the second bracket is connected to the sliding part, the first rotating part is connected to the first bracket, the first rotating part and the second rotating part are arranged on the second bracket, the second rotating part is used to rotate around the first direction, the first rotating part and the second rotating part are rotatably connected, when the second rotating part rotates around the first direction, the second rotating part drives the first rotating part to rotate around the second direction.

3. The grinding device according to claim 2, characterized in that: Along the third direction, the second bracket is arranged between the sliding part and the first bracket, the second bracket includes a first protrusion and a second protrusion, the first protrusion and the second protrusion are arranged at intervals along the second direction, and along the second direction, the first rotating part is rotatably arranged between the first protrusion and the second protrusion.

4. The grinding device according to claim 3, characterized in that The second bracket includes a third protrusion and a fourth protrusion, and the third protrusion and the fourth protrusion are arranged at intervals along the first direction. Along the first direction, both ends of the second rotating part are rotatably connected to the third protrusion and the fourth protrusion respectively. Along the third direction, the first protrusion is arranged on the side of the third protrusion and the fourth protrusion facing the first bracket, and the second protrusion is arranged on the side of the third protrusion and the fourth protrusion facing the first bracket.

5. The grinding device according to claim 4, characterized in that: The first rotating part includes a worm wheel, and the second rotating part includes a worm, and the worm wheel and the worm are meshed.

6. The grinding device according to claim 4, characterized in that The operating table includes a slide groove, and the translation device includes a screw, which is arranged in the slide groove and is used to rotate around the first direction. Along the third direction, the third protrusion and the fourth protrusion are both arranged on the side of the sliding part facing the first bracket, and the sliding part is slidably arranged on the screw along the first direction.

7. The grinding device according to claim 6, characterized in that The grinding equipment includes a first driving part and a second driving part. Along the first direction, the first driving part is arranged on the side of the third protrusion facing away from the fourth protrusion. The first driving part is connected to the second rotating part. The second driving part is arranged on the side of the operating table, and the second driving part is connected to the screw.

8. The grinding device according to claim 1, wherein: The limiting device includes a support plate, a threaded sleeve, and a screw, wherein the support plate is provided on the operating table, the threaded sleeve is provided on a side of the support plate facing the grinding device along the first direction, and the screw is slidably provided on an end of the threaded sleeve close to the grinding device along the first direction; The limiting device includes a limiting portion for abutting against the toe of the tire. Along the first direction, both ends of the limiting portion are rotatably connected to the screw and the threaded sleeve respectively. When the screw moves away from the threaded sleeve in the first direction, the limiting portion moves toward the screw along the third direction; when the screw moves toward the threaded sleeve in the first direction, the limiting portion moves away from the screw along the third direction.

9. The grinding device according to claim 8, characterized in that The limiting device includes a third driving portion. Along the first direction, the third driving portion is arranged on a side of the support plate facing away from the threaded sleeve, and the third driving portion is connected to the threaded sleeve.

10. The grinding device according to claim 1, wherein: The first bracket includes a first part, a second part, and a third part which are spaced apart along the circumferential direction. Along the third direction, the first part is spaced apart from the operating table. Along the second direction, the second part is spaced apart from the third part. The first part, the second part, and the third part are all provided with the grinding part.

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