Grinding device for bearing ring blank

By designing a bearing ring blank grinding device including fixing plates, slide grooves, connecting rods, slots, fixing components, grinding components and collection components, the problems of uneven grinding and environmental pollution are solved, and uniform grinding and resource recycling are achieved.

CN119501769AInactive Publication Date: 2025-02-25ZHANGJIAGANG HONGYANG METAL PRODS MFG
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Patent Information

Application Number
CN202411728095.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-02-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing bearing ring blank grinding device is prone to cause unevenness during grinding, and the water sprayed out during cooling is doped with grinding chips flowing to the ground, causing environmental pollution and waste of resources.

Method used

A grinding device including a fixing plate, a slide groove, a connecting rod, a slot, a fixing assembly, a grinding assembly and a collection assembly are designed. Position the connecting rod by the positioning assembly, start the rotating motor for grinding, and cool the bearing ring blank and grinding block through the water pump and spray head, while collecting and separating the wastewater generated by the sanding through the collection assembly.

Benefits of technology

The uniformity of bearing ring blank is achieved, environmental pollution caused by splashing water and grinding chips is avoided, and resources are recovered through solid-liquid separation, improving environmental protection and resource utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of polishing devices, in particular to a bearing ring blank polishing device which comprises a bottom plate, a rotating machine tool is fixedly connected to the top end of the bottom plate, calipers are fixedly connected to one end of an output shaft of the rotating machine tool, and a fixing plate fixedly connected to the top end of the bottom plate is arranged on one side of the rotating machine tool. Sliding grooves which are vertically formed and penetrate through the fixing plate from left to right are symmetrically formed in the fixing plate, and a connecting rod which is in sliding connection with the fixing plate and penetrates through the fixing plate is arranged between the two sliding grooves. Through the arrangement of the fixing plate, the sliding groove, the connecting rod, the clamping groove, the fixing assembly, a circular plate, a penetrating groove, a groove, a threaded groove, a protruding block, a circular hole, a screw, a grinding assembly, a mounting plate, a limiting rod, a limiting plate, a mounting block, a grinding block, a limiting spring, a handle, a positioning assembly, a positioning block, a positioning rod, a positioning spring, a positioning plate and a clamping block, grinding of the bearing ring blank can be more uniform.
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Description

Technical Field

[0001] The invention relates to the technical field of grinding devices, in particular to a grinding device for a bearing ring blank. Background Art

[0002] Bearing ring blanks are an important part of the bearing manufacturing process. They are usually made of high-quality metal materials, such as steel. The quality of the bearing ring blanks directly affects the performance and service life of the final bearing. The grinding device of the bearing ring blank is a crucial equipment in the bearing production process. The device can remove the oxide scale, burrs and other unevenness on the surface of the bearing ring blank, so that the surface finish and flatness of the bearing ring blank meet the standards. The grinding device of the bearing ring blank plays a key role in the bearing manufacturing industry. It can efficiently improve the surface quality of the bearing ring blank and lay a solid foundation for the production of high-quality bearing products.

[0003] The existing grinding device is widely used. The existing grinding device usually grinds the bearing ring blank by a rotating motor in combination with a grinding block. The bearing ring blank is subjected to force in one direction and rotates, which can easily lead to uneven grinding. In addition, the existing grinding device needs to use water cooling when cooling. The sprayed water is mixed with debris generated by grinding and flows to the ground, causing environmental pollution and waste of resources. Therefore, a grinding device for bearing ring blanks is proposed to address the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a grinding device for bearing ring blanks to solve the problems mentioned in the above background technology that the bearing ring blanks are subjected to force in one direction and rotate, which easily leads to uneven grinding, and the debris generated by water-mixed grinding during grinding flows to the ground, causing environmental pollution and waste of resources.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A grinding device for a bearing ring blank comprises a base plate, a rotating machine tool is fixedly connected to the top of the base plate, a caliper is fixedly connected to one end of the output shaft of the rotating machine tool, a fixed plate fixedly connected to the top of the base plate is provided on one side of the rotating machine tool, vertically arranged sliding grooves which penetrate the fixed plate from left to right are symmetrically provided inside the fixed plate, a connecting rod which is slidably connected to the fixed plate and penetrates the fixed plate is provided between two of the sliding grooves, a clamping groove which penetrates the connecting rod from top to bottom is provided inside the connecting rod, a fixing assembly is provided at one end of the connecting rod, and a positioning assembly is provided above the connecting rod.

[0007] Preferably, the fixing assembly includes a circular plate fixedly connected to one end of the connecting rod, the circular plate is provided with a plurality of through grooves distributed in a polar axis and penetrating the circular plate from left to right, the outer side of the circular plate is symmetrically provided with a plurality of grooves penetrating the through grooves, the inner surface of the groove is provided with a threaded groove, the inner side of the groove is engaged with a protrusion, the protrusion is provided with a circular hole penetrating the protrusion, the circular hole is provided with a screw spirally connected to the threaded groove, and the inner side of the through groove is provided with a grinding assembly.

[0008] Preferably, the grinding assembly includes a mounting plate located on the inner side of the through groove and fixedly connected between the two protrusions, a limiting rod is fixedly connected to one side of the mounting plate, an end of the limiting rod away from the mounting plate is fixedly connected to the limiting plate, a mounting block is slidably connected to the outer side of the limiting rod, a grinding block is spirally connected to the front side of the mounting block, and limiting springs fixedly connected to the two sides of the mounting block are symmetrically arranged on both sides of the mounting block, one of the limiting springs is fixedly connected to the mounting plate at one end away from the mounting block, and the other limiting spring is fixedly connected to the limiting plate at one end away from the mounting block, and a handle is fixedly connected to the rear side of the mounting block.

[0009] Preferably, the positioning assembly includes a positioning block fixedly connected to the right side of the fixed plate, a positioning rod vertically arranged and passing through the positioning block is slidably connected inside the positioning block, a positioning spring fixedly connected to the top of the positioning block is provided on the outside of the positioning rod, a positioning plate fixedly connected to the top of the positioning spring is fixedly connected to the top of the positioning rod, and a clamping block is fixedly connected to the bottom of the positioning rod.

[0010] Preferably, the fixed plate is fixedly connected to a symmetrically arranged slide rail on the right side, a slider is slidably connected to the inner side of the slide rail, a storage rod slidably connected to the slide slot is fixedly connected to one side of the slider, the storage rod is located on the inner side of the slide slot and is slidably connected to the slide slot, a protection frame is fixedly connected to the outer side of the storage rod, a through slot is opened inside the protection frame and penetrates the protection frame from left to right, a water tank fixedly connected to the top of the protection frame is provided above the through slot, a water inlet valve connected to the water tank is fixedly connected to the front side of the water tank, a water pump is fixedly connected to the bottom end of the inner side of the water tank, a water distributor connected to the water pump and the water tank is fixedly connected to the bottom end of the water pump, a plurality of nozzles connected to the water distributor are fixedly connected to the bottom end of the water distributor, and a collecting assembly is provided at the bottom end of the bottom plate.

[0011] Preferably, the collecting assembly includes a collecting box fixedly connected to the inside of the bottom plate and passing through the bottom plate, a drawer passing through the collecting box is slidably connected to the inner side of the collecting box, a sealing ring fixedly connected to the front side of the collecting box is provided on the outer side of the drawer, a baffle is fixedly connected to the front side of the drawer, a sealing groove tightly fitted with the outer side of the sealing ring is provided on the rear side of the baffle, a filter plate passing through the drawer is fixedly connected to the bottom end of the inner side of the drawer, a drain valve communicating with the collecting box is fixedly connected to the front side of the collecting box, and clamping assemblies are symmetrically provided on the left and right sides of the collecting box.

[0012] Preferably, the clamping assembly includes a clamping frame rotatably connected to the outside of the collection box, a clamping bolt that passes through the clamping frame is spirally connected inside the clamping frame, one end of the clamping bolt is rotatably connected to a clamping plate, and the end of the clamping plate away from the clamping bolt is tightly fitted with the baffle.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the present invention, by providing a fixed plate, a slide groove, a connecting rod, a clamping groove, a fixed assembly, a circular plate, a through groove, a groove, a threaded groove, a convex block, a circular hole, a screw, a grinding assembly, a mounting plate, a limit rod, a limit plate, a mounting block, a grinding block, a limit spring, a handle, a positioning assembly, a positioning block, a positioning rod, a positioning spring, a positioning plate and a clamping block, when grinding the bearing ring blank, the handle is pulled to move the mounting block, the limit spring is stretched or compressed under force, the connecting rod is moved and the handle is released, the limit spring is reset to drive the grinding block to fit closely with the bearing ring blank, and finally the positioning assembly is used to position the connecting rod, and the rotating motor is started to grind the bearing ring blank. The same pressing force between multiple grinding blocks can make the grinding of the bearing ring blank more uniform;

[0015] 2. In the present invention, by arranging the slide rail, slider, storage rod, protection frame, through groove, water tank, water inlet valve, water pump, water distributor, nozzle, collection assembly, collection box, drawer, sealing ring, baffle, sealing groove, filter plate, drain valve, clamping assembly, clamping frame, clamping bolt and clamping plate, starting the water pump can cool down the bearing ring blank and the grinding block to prevent them from overheating. When the bearing ring blank is being ground, starting the slide rail can make the bottom end of the protection frame fit tightly with the top end of the bottom plate, which can prevent grinding debris and sewage from splashing around and polluting the environment. The setting of the collection assembly can collect the wastewater generated by grinding and separate the solid and liquid for easy recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall left side structure of the present invention;

[0017] Figure 2 For the present invention Figure 1 A schematic diagram of the structure at A;

[0018] Figure 3 It is a schematic diagram of the overall right side structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the structure of the protection frame connection assembly of the present invention;

[0020] Figure 5 It is a schematic diagram of the disassembled structure of the protection frame connection assembly of the present invention;

[0021] Figure 6It is a partial left side structural schematic diagram of the present invention;

[0022] Figure 7 It is a partial right side structural schematic diagram of the present invention;

[0023] Figure 8 It is a schematic diagram of the structure of the fixing assembly of the present invention;

[0024] Fig. 9 It is a schematic diagram of the disassembled structure of the fixing assembly of the present invention;

[0025] Fig.10 For the present invention Fig. 9 Schematic diagram of the B structure;

[0026] Fig.11 This is a schematic diagram of the disassembled structure of the collecting assembly of the present invention;

[0027] Fig.12 It is a schematic diagram of the drawer structure of the present invention.

[0028] In the figure: 1, bottom plate; 2, rotating machine tool; 3, caliper; 4, fixing plate; 5, slide groove; 6, connecting rod; 7, slot; 8, fixing assembly; 81, round plate; 82, through groove; 83, groove; 84, threaded groove; 85, convex block; 86, round hole; 87, screw; 88, grinding assembly; 881, mounting plate; 882, limit rod; 883, limit plate; 884, mounting block; 885, grinding block; 886, limit spring; 887, handle; 9, positioning assembly; 91, positioning block; 92, positioning rod; 93, Positioning spring; 94, positioning plate; 95, block; 10, slide rail; 11, slider; 12, storage rod; 13, protection frame; 14, through groove; 15, water tank; 16, water inlet valve; 17, water pump; 18, water distributor; 19, nozzle; 20, collecting assembly; 201, collecting box; 202, drawer; 203, sealing ring; 204, baffle; 205, sealing groove; 206, filter plate; 207, drain valve; 208, clamping assembly; 2081, clamping frame; 2082, clamping bolt; 2083, clamping plate. DETAILED DESCRIPTION

[0029] Embodiment 1:

[0030] See also Figure 1-12 , the present invention provides a technical solution:

[0031] A grinding device for a bearing ring blank comprises a base plate 1, a rotating machine tool 2 is fixedly connected to the top of the base plate 1, a caliper 3 is fixedly connected to one end of the output shaft of the rotating machine tool 2, a fixed plate 4 fixedly connected to the top of the base plate 1 is provided on one side of the rotating machine tool 2, vertically arranged slide grooves 5 which penetrate the fixed plate 4 from left to right are symmetrically provided inside the fixed plate 4, a connecting rod 6 which is slidably connected to the fixed plate 4 and penetrates the fixed plate 4 is provided between the two slide grooves 5, a clamping groove 7 which penetrates the connecting rod 6 from top to bottom is provided inside the connecting rod 6, a fixing component 8 is provided at one end of the connecting rod 6, and a positioning component 9 is provided above the connecting rod 6.

[0032] The fixing assembly 8 includes a circular plate 81 fixedly connected to one end of the connecting rod 6, a plurality of through grooves 82 distributed in a polar axis and penetrating the circular plate 81 from left to right are provided inside the circular plate 81, a plurality of grooves 83 penetrating the through grooves 82 are symmetrically provided outside the circular plate 81, a threaded groove 84 is provided on the inner surface of the groove 83, a protrusion 85 is snap-connected inside the groove 83, a circular hole 86 penetrating the protrusion 85 is provided inside the protrusion 85, a screw 87 spirally connected to the threaded groove 84 is provided inside the circular hole 86, a grinding assembly 88 is provided inside the through groove 82, and the grinding assembly 88 includes a mounting plate 881 located inside the through groove 82 and fixedly connected between the two protrusions 85, and the mounting plate One side of 881 is fixedly connected to a limit rod 882, one end of the limit rod 882 away from the mounting plate 881 is fixedly connected to a limit plate 883, the outer side of the limit rod 882 is slidably connected to a mounting block 884, the front side of the mounting block 884 is spirally connected to a grinding block 885, and the two sides of the mounting block 884 are symmetrically provided with limit springs 886 fixedly connected to the two sides of the mounting block 884, one end of one limit spring 886 away from the mounting block 884 is fixedly connected to the mounting plate 881, and the other end of the limit spring 886 away from the mounting block 884 is fixedly connected to the limit plate 883, and the rear side of the mounting block 884 is fixedly connected to a handle 887, and the positioning assembly 9 includes a fixed connection A positioning block 91 on the right side of the fixing plate 4 is slidably connected inside the positioning block 91 with a positioning rod 92 which is vertically arranged and passes through the positioning block 91. A positioning spring 93 which is fixedly connected to the top of the positioning block 91 is arranged on the outside of the positioning rod 92. A positioning plate 94 which is fixedly connected to the top of the positioning spring 93 is fixedly connected to the top of the positioning rod 92. A clamping block 95 is fixedly connected to the bottom of the positioning rod 92. Through the setting of the fixing plate 4, the slide groove 5, the connecting rod 6, the clamping groove 7, the fixing assembly 8, the circular plate 81, the through groove 82, the groove 83, the threaded groove 84, the protrusion 85, the circular hole 86, the screw 87, the grinding assembly 88, the mounting plate 881, the limiting rod 882, the limiting plate 883, Mounting block 884, grinding block 885, limit spring 886, handle 887, positioning assembly 9, positioning block 91, positioning rod 92, positioning spring 93, positioning plate 94 and clamping block 95. When grinding the bearing ring blank, pull the handle 887 to move the mounting block 884, and the limit spring 886 is stretched or compressed. Move the connecting rod 6 and release the handle 887. The limit spring 886 is reset to drive the grinding block 885 to fit tightly with the bearing ring blank. Finally, use the positioning assembly 9 to position the connecting rod 6, start the rotating motor to grind the bearing ring blank, and the same clamping force between multiple grinding blocks 885 can make the grinding of the bearing ring blank more uniform.

[0033] A symmetrically arranged slide rail 10 is fixedly connected to the right side of the fixed plate 4, a slider 11 is slidably connected to the inner side of the slide rail 10, a storage rod 12 slidably connected to the slide groove 5 is fixedly connected to one side of the slider 11, the storage rod 12 is located on the inner side of the slide groove 5 and is slidably connected to the slide groove 5, a protection frame 13 is fixedly connected to the outer side of the storage rod 12, a through groove 14 is provided inside the protection frame 13 and penetrates the protection frame 13 from left to right, a water tank 15 fixedly connected to the top of the protection frame 13 is provided above the through groove 14, a water inlet valve 16 connected to the water tank 15 is fixedly connected to the front side of the water tank 15, a water pump 17 is fixedly connected to the bottom end of the inner side of the water tank 15, and a valve 16 connected to the water pump 17 and A water divider 18 passes through the water tank 15, and a plurality of nozzles 19 that pass through the water divider 18 are fixedly connected to the bottom end of the water divider 18. A collecting assembly 20 is provided at the bottom end of the bottom plate 1. The collecting assembly 20 includes a collecting box 201 that is fixedly connected to the inside of the bottom plate 1 and passes through the bottom plate 1. A drawer 202 that passes through the collecting box 201 is slidably connected to the inside of the collecting box 201. A sealing ring 203 that is fixedly connected to the front side of the collecting box 201 is provided on the outside of the drawer 202. A baffle 204 is fixedly connected to the front side of the drawer 202. A sealing groove 205 that fits tightly with the outside of the sealing ring 203 is opened on the rear side of the baffle 204. A filter plate 20 that passes through the drawer 202 is fixedly connected to the bottom end of the inner side of the drawer 202. 6. A drain valve 207 that is connected to the collection box 201 is fixedly connected to the front side of the collection box 201. A clamping assembly 208 is symmetrically arranged on the left and right sides of the collection box 201. The clamping assembly 208 includes a clamping frame 2081 that is rotatably connected to the outside of the collection box 201. A clamping bolt 2082 that penetrates the clamping frame 2081 is spirally connected inside the clamping frame 2081. One end of the clamping bolt 2082 is rotatably connected to a clamping plate 2083. One end of the clamping plate 2083 that is away from the clamping bolt 2082 is tightly fitted with the baffle 204. Through the set slide rail 10, slider 11, placement rod 12, protection frame 13, through slot 14, water tank 15, water inlet valve 16, water pump 17 , water divider 18, nozzle 19, collecting component 20, collecting box 201, drawer 202, sealing ring 203, baffle 204, sealing groove 205, filter plate 206, drain valve 207, clamping component 208, clamping frame 2081, clamping bolt 2082 and clamping plate 2083. Starting the water pump 17 can cool the bearing ring blank and the grinding block 885 to prevent them from overheating. When grinding the bearing ring blank, start the slide rail 10 to make the bottom end of the protection frame 13 fit tightly with the top of the base plate 1, which can prevent grinding debris and sewage from splashing around and polluting the environment. The setting of the collecting component 20 can collect the wastewater generated by grinding and separate the solid and liquid for easy recovery.

[0034] Workflow: Power on the device before use, open the water inlet valve 16 and fill the water tank 15. When the bearing ring blank needs to be polished, first install the various components on the device, insert the drawer 202 into the inner side of the collection box 201, insert the sealing ring 203 into the inner side of the sealing groove 205, then reverse the clamping frame 2081 and tighten the clamping bolt 2082 until the clamping plate 2083 and the baffle 204 fit tightly. At this time, the outer side of the sealing ring 203 can fit tightly with the inner side of the sealing groove 205. The arrangement of the clamping component 208, the sealing ring 203 and the sealing groove 205 can seal the collection box 201 to prevent the collection box 201 from leaking. Next, install the polishing component 88 and insert the polishing component 88 into the inner side of the through groove 82 on the circular plate 81. , make the protrusion 85 engage with the groove 83, insert the screw 87 into the inner side of the circular hole 86 and screw it into the inner side of the threaded groove 84, and the installation of the grinding assembly 88 can be completed. The setting of the fixing assembly 8 makes the replacement of the grinding assembly 88 more convenient. The next step is to install the bearing ring blank. When the outer side of the bearing ring blank needs to be polished, the bearing ring blank is fixed to the outer side of the caliper 3 at the output end of the rotating machine tool 2, and then the grinding assembly 88 and the positioning assembly 9 are positioned, and the handle 887 is moved to make the mounting block 884 slide on the outer side of the limit rod 882. At this time, the limit spring 886 fixedly connected to the limit plate 883 is stretched, and the limit spring 886 fixedly connected to the mounting plate 881 is compressed, pulling the positioning plate 94, and the positioning rod 92 slides inside the positioning block 91 , the positioning spring 93 is compressed, the block 95 is disengaged from the slot 7, and then the connecting rod 6 is pushed to make the connecting rod 6 slide inside the fixed plate 4, and the slot 7 on the connecting rod 6 is aligned with the block 95, the handle 887 and the positioning plate 94 are released, the positioning spring 93 is reset to drive the block 95 to engage with the slot 7 to position the connecting rod 6, the limit spring 886 is reset to drive the grinding block 885 to fit tightly with the outer side of the bearing ring blank, and the positioning of the grinding component 88 and the positioning component 9 is completed. The next step is to start the slide rail 10. At this time, the slider 11 drives the placement rod 12 to slide inside the slide groove 5, and the protection frame 13 moves downward. The setting of the through groove 14 leaves sufficient space for the output end of the rotating machine tool 2 and the connecting rod 6 to prevent them from interfering with each other until the protection frame 1 3, the bottom end is tightly fitted with the top end of the bottom plate 1, then the rotating machine tool 2 and the water pump 17 are started, the output end of the rotating machine tool 2 rotates to drive the bearing ring blank to rotate, so that the outer side of the bearing ring blank is continuously polished, and the water pump 17 sprays the water inside the water tank 15 through the water divider 18 and the nozzle 19 to cool the bearing ring blank and the polishing block 885 to prevent them from overheating, and the sewage flows into the inside of the drawer 202 through the collection box 201, and the solid objects in the sewage are intercepted by the filter plate 206. When a certain amount of waste is collected, the drain valve 207 can be opened to release the sewage for sewage treatment, and the pressing assembly 208 can be opened to draw out the drawer 202 to use the solid objects for secondary processing. The setting of the collecting assembly 20 can collect the wastewater generated by grinding and separate the solid and liquid for easy recycling.

[0035] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A grinding device for a bearing ring blank, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a rotary machine tool (2), one end of the output shaft of the rotary machine tool (2) is fixedly connected to a caliper (3), one side of the rotary machine tool (2) is provided with a fixed plate (4) fixedly connected to the top of the base plate (1), the inside of the fixed plate (4) is symmetrically provided with vertically arranged sliding grooves (5) that penetrate the fixed plate (4) from left to right, a connecting rod (6) that is slidably connected to the fixed plate (4) and penetrates the fixed plate (4) is provided between the two sliding grooves (5), a clamping groove (7) that penetrates the connecting rod (6) from top to bottom is provided inside the connecting rod (6), one end of the connecting rod (6) is provided with a fixing component (8), and a positioning component (9) is provided above the connecting rod (6).

2. A grinding device for a bearing ring blank according to claim 1, characterized in that: The fixing assembly (8) comprises a circular plate (81) fixedly connected to one end of the connecting rod (6); a plurality of through grooves (82) distributed in a polar axis and penetrating the circular plate (81) from left to right are provided inside the circular plate (81); a plurality of grooves (83) penetrating the through grooves (82) are symmetrically provided on the outer side of the circular plate (81); a thread groove (84) is provided on the inner surface of the groove (83); a convex block (85) is snap-connected to the inner side of the groove (83); a circular hole (86) penetrating the convex block (85) is provided inside the convex block (85); a screw (87) spirally connected to the thread groove (84) is provided inside the circular hole (86); a grinding assembly (88) is provided inside the through groove (82).

3. A grinding device for a bearing ring blank according to claim 2, characterized in that: The grinding assembly (88) comprises a mounting plate (881) located inside the through groove (82) and fixedly connected between the two protrusions (85); a limiting rod (882) is fixedly connected to one side of the mounting plate (881); an end of the limiting rod (882) away from the mounting plate (881) is fixedly connected to the limiting plate (883); a mounting block (884) is slidably connected to the outer side of the limiting rod (882); a grinding block (885) is spirally connected to the front side of the mounting block (884); limiting springs (886) fixedly connected to the two sides of the mounting block (884) are symmetrically arranged on both sides of the mounting block (884); one end of the limiting spring (886) away from the mounting block (884) is fixedly connected to the mounting plate (881); another end of the limiting spring (886) away from the mounting block (884) is fixedly connected to the limiting plate (883); and a handle (887) is fixedly connected to the rear side of the mounting block (884).

4. A grinding device for a bearing ring blank according to claim 1, characterized in that: The positioning assembly (9) comprises a positioning block (91) fixedly connected to the right side of the fixing plate (4); a positioning rod (92) vertically arranged and penetrating the positioning block (91) is slidably connected inside the positioning block (91); a positioning spring (93) fixedly connected to the top of the positioning block (91) is provided on the outside of the positioning rod (92); a positioning plate (94) fixedly connected to the top of the positioning spring (93) is fixedly connected to the top of the positioning rod (92); and a clamping block (95) is fixedly connected to the bottom of the positioning rod (92).

5. The grinding device for a bearing ring blank according to claim 1, characterized in that: The right side of the fixed plate (4) is fixedly connected to a symmetrically arranged slide rail (10), the inner side of the slide rail (10) is slidably connected to a slider (11), one side of the slider (11) is fixedly connected to a storage rod (12) slidably connected to the slide groove (5), the storage rod (12) is located inside the slide groove (5) and is slidably connected to the slide groove (5), the outer side of the storage rod (12) is fixedly connected to a protection frame (13), the protection frame (13) is provided with a through groove (14) penetrating the protection frame (13) from left to right, and the through groove (14) A water tank (15) is provided at the top and is fixedly connected to the top of the protection frame (13); a water inlet valve (16) which is in communication with the water tank (15) is fixedly connected to the front side of the water tank (15); a water pump (17) is fixedly connected to the bottom end of the inner side of the water tank (15); a water distributor (18) which is in communication with the water pump (17) and penetrates the water tank (15) is fixedly connected to the bottom end of the water pump (17); a plurality of nozzles (19) which are in communication with the water distributor (18) are fixedly connected to the bottom end of the water distributor (18); and a collecting assembly (20) is provided at the bottom end of the bottom plate (1).

6. A grinding device for a bearing ring blank according to claim 5, characterized in that: The collecting assembly (20) comprises a collecting box (201) fixedly connected to the inside of the bottom plate (1) and penetrating the bottom plate (1); a drawer (202) penetrating the collecting box (201) is slidably connected to the inside of the collecting box (201); a sealing ring (203) fixedly connected to the front side of the collecting box (201) is provided on the outside of the drawer (202); a baffle (204) is fixedly connected to the front side of the drawer (202); a sealing groove (205) tightly fitted with the outside of the sealing ring (203) is provided on the rear side of the baffle (204); a filter plate (206) penetrating the drawer (202) is fixedly connected to the bottom end of the inside of the drawer (202); a drain valve (207) penetrating the collecting box (201) is fixedly connected to the front side of the collecting box (201); and a clamping assembly (208) is symmetrically provided on the left and right sides of the collecting box (201).

7. A grinding device for a bearing ring blank according to claim 6, characterized in that: The clamping assembly (208) comprises a clamping frame (2081) rotatably connected to the outside of the collection box (201); a clamping bolt (2082) is spirally connected inside the clamping frame (2081) and passes through the clamping frame (2081); one end of the clamping bolt (2082) is rotatably connected to a clamping plate (2083); and one end of the clamping plate (2083) away from the clamping bolt (2082) is tightly fitted with the baffle (204).