Double-end-face grinding equipment for bearing ring

Abstract

The utility model belongs to the technical field of bearing machining, and particularly relates to a double-end-face grinding device of a bearing ring, which comprises a base and a vertical seat, a bidirectional driving mechanism is horizontally arranged on the vertical seat, and two driving ends of the bidirectional driving mechanism are arranged along the horizontal direction. The driving ends of the two bidirectional driving mechanisms are connected with a first grinding mechanism and a second grinding mechanism correspondingly, and the bidirectional driving mechanisms can drive the first grinding mechanism and the second grinding mechanism to move in the opposite directions or in the opposite directions. The clamping mechanism comprises a supporting plate, a vertical plate, a first motor, a worm, a worm gear and a clamping assembly. Electromagnets are arranged at the clamping ends of the two clamping assemblies; the two driving ends of the bidirectional driving mechanism can drive the polishing ends of the first polishing mechanism and the second polishing mechanism to abut against the two end faces of the bearing ring correspondingly. And clamping and fixing are more stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing processing, and in particular relates to a double-end surface grinding device for a bearing ring. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. During the processing of bearing rings, both ends of the bearing rings need to be polished to ensure their flatness. The existing bearing double-end surface polishing device directly places the bearing into a double-sided grinder. Since the bearing is not fixed, the grinder can easily drive the bearing to rotate when it rotates, and the rotation of the bearing in the grinder will affect its polishing accuracy. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a double-end surface grinding device for a bearing ring to solve the problem that the existing double-end surface grinding device for bearings directly places the bearings into a double-sided grinder. Since the bearings are not fixed, the grinder can easily drive the bearings to rotate when it rotates, and the rotation of the bearings in the grinder will affect its grinding accuracy.

[0004] The technical solution adopted by the utility model is as follows: a double-end surface grinding device for a bearing ring, comprising a base and a stand, wherein the stand is vertically arranged on the upper surface of the base;

[0005] A bidirectional driving mechanism, wherein the bidirectional driving mechanism is horizontally arranged on a stand, wherein two driving ends of the bidirectional driving mechanism are arranged in a horizontal direction, wherein the two driving ends of the bidirectional driving mechanism are respectively connected to a first grinding mechanism and a second grinding mechanism, wherein the bidirectional driving mechanism can drive the first grinding mechanism and the second grinding mechanism to move toward or away from each other; the grinding ends of the first grinding mechanism and the second grinding mechanism are arranged opposite to each other;

[0006] A clamping mechanism, the clamping mechanism comprising a support plate, a vertical plate, a first motor, a worm, a worm gear and a clamping assembly;

[0007] The support plate is horizontally arranged on the stand and is located between the first grinding mechanism and the second grinding mechanism, the first motor is arranged on the support plate, the driving end of the first motor is connected to the lower end of the worm, the worm is vertically arranged on the support plate, the stand is vertically arranged on the upper surface of the support plate, two worm wheels are arranged, the two worm wheels are rotatably connected to the stand and are located on both sides of the worm, the two worm wheels are meshed with the worm, the outer side walls of the two worm wheels are provided with clamping assemblies, the two clamping assemblies are arranged opposite to each other and are used to clamp the outer peripheral wall of the bearing ring, and the clamping ends of the two clamping assemblies are provided with electromagnets;

[0008] The two driving ends of the bidirectional driving mechanism can drive the grinding ends of the first grinding mechanism and the second grinding mechanism to abut against the two end surfaces of the bearing ring respectively.

[0009] Further, the bidirectional drive mechanism includes a second motor, a bidirectional lead screw, a forward lead screw connector, a reverse lead screw connector and a slide rod;

[0010] The upper surface of the stand is provided with an installation groove along the left and right directions, the two-way screw is rotatably connected in the installation groove along the left and right directions, the sliding rod is fixedly connected in the installation groove along the left and right directions and is located at the rear side of the two-way screw, the two-way screw is provided with a forward thread and a reverse thread along the left and right directions, the forward screw connecting member and the reverse screw connecting member are respectively symmetrically threadedly sleeved on the forward thread and reverse thread of the two-way screw, the rear parts of the forward screw connecting member and the reverse screw connecting member are both slidably sleeved on the sliding rod, the first grinding mechanism and the second grinding mechanism are respectively fixedly mounted on the front side walls of the forward screw connecting member and the reverse screw connecting member, the second motor is fixedly mounted on the left side wall of the stand, and the driving end of the second motor passes through the left side wall of the stand to the right and is connected to the left end of the two-way screw.

[0011] Further, the first grinding mechanism includes a first mounting plate, a first grinding motor and a first grinding disc; the first mounting plate is fixedly arranged on the front side wall of the forward screw connector, the first grinding motor is fixedly arranged on the left side wall of the first mounting plate, the driving end of the first grinding motor passes through the first mounting plate to the right and is connected to the center of the first grinding disc, and the first grinding disc is located on the left side of the support plate.

[0012] Furthermore, the second grinding mechanism includes a second mounting plate, a second grinding motor and a second grinding disc; the second mounting plate is fixedly arranged on the front side wall of the forward screw connector, the second grinding motor is fixedly arranged on the left side wall of the second mounting plate, the driving end of the second grinding motor passes through the second mounting plate to the right and is connected to the center of the second grinding disc, and the second grinding disc is located on the right side of the support plate.

[0013] Further, the clamping assembly includes a first hinge rod, a second hinge rod, a mounting block and an arc-shaped clamping block; the mounting block is connected to the worm gear through the first hinge rod, one end of the first hinge rod is fixedly connected to the outer side wall of the worm gear, the other end of the first hinge rod is hinged to the mounting block, the mounting block is connected to the vertical plate through the second hinge rod, one end of the second hinge rod is hinged to the vertical plate, the other end of the second hinge rod is hinged to the mounting block, and the first hinge rod and the second hinge rod are arranged in parallel;

[0014] The outer side wall of the arc-shaped clamping block is fixedly arranged on the top of the mounting block, and the electromagnet is fixedly arranged on the inner side wall of the arc-shaped clamping block. The inner side wall of the arc-shaped clamping block can abut against the outer side wall of the bearing ring.

[0015] Furthermore, a rubber arc strip is fixedly connected to the inner side wall of the arc clamping block, a plurality of teeth are arranged in an array on the inner side wall of the rubber arc strip, and the adsorption end of the electromagnet passes through the rubber arc strip and can abut against the outer side wall of the bearing ring.

[0016] Beneficial effects of the utility model:

[0017] The bearing ring is placed between the two clamping assemblies, and the first motor is started to drive the worm to rotate forward, thereby driving the two worm wheels on both sides of the worm to rotate forward, and then the two worm wheels drive the two relatively arranged clamping assemblies to rotate in opposite directions, so as to clamp and fix the bearing ring. When the clamping ends of the two clamping assemblies abut against the outer wall of the bearing ring and limit and fix the bearing ring, the electromagnet is energized through an external power supply so that the electromagnet has an adsorption force. The electromagnet adsorbs the bearing ring and adsorbs and fixes the bearing ring between the two clamping assemblies, so that the fixation of the bearing ring is more stable, and the first grinding mechanism and the second grinding mechanism are prevented from driving the bearing ring to rotate during grinding, thereby improving the grinding accuracy of the bearing ring. Then, the bidirectional driving mechanism is started to drive the grinding ends of the first grinding mechanism and the second grinding mechanism to abut against the two end faces of the bearing ring respectively, and the first grinding mechanism and the second grinding mechanism are started to grind the left and right end faces of the bearing ring at the same time, so that the grinding efficiency is higher. After the grinding is completed, the electromagnet is powered off and the first motor is started to rotate in the opposite direction, so as to facilitate the removal of the bearing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the clamping mechanism and the clamping assembly of the utility model;

[0020] The attached drawings are marked as follows:

[0021] Base 1, stand 2, mounting groove 21, bidirectional drive mechanism 3, second motor 31, bidirectional lead screw 32, forward lead screw connector 33, reverse lead screw connector 34, slide rod 35, first grinding mechanism 4, first mounting plate 41, first grinding motor 42, first grinding disc 43, second grinding mechanism 5, second mounting plate 51, second grinding motor 52, second grinding disc 53, clamping mechanism 6, support plate 61, stand 62, first motor 63, worm 64, worm gear 65, electromagnet 66, clamping assembly 7, first hinged rod 71, second hinged rod 72, mounting block 73, arc clamping block 74, rubber arc strip 75. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Embodiment 1:

[0026] like Figure 1-2 As shown, a double-end surface grinding device for a bearing ring comprises a base 1 and a stand 2, wherein the stand 2 is vertically arranged on the upper surface of the base 1;

[0027] A bidirectional driving mechanism 3, the bidirectional driving mechanism 3 is horizontally arranged on the stand 2, the bidirectional driving mechanism 3 has two driving ends arranged in the horizontal direction, the two driving ends of the bidirectional driving mechanism 3 are respectively connected to the first grinding mechanism 4 and the second grinding mechanism 5, the bidirectional driving mechanism 3 can drive the first grinding mechanism 4 and the second grinding mechanism 5 to move toward or away from each other; the grinding ends of the first grinding mechanism 4 and the second grinding mechanism 5 are arranged opposite to each other;

[0028] The clamping mechanism 6 includes a support plate 61, a vertical plate 62, a first motor 63, a worm 64, a worm wheel 65 and a clamping assembly 7;

[0029] The support plate 61 is horizontally arranged on the stand 2 and is located between the first grinding mechanism 4 and the second grinding mechanism 5. The first motor 63 is arranged on the support plate 61. The driving end of the first motor 63 is connected to the lower end of the worm 64. The worm 64 is vertically arranged on the support plate 61. The stand 62 is vertically arranged on the upper surface of the support plate 61. Two worm wheels 65 are provided. The two worm wheels 65 are rotatably connected to the stand 62 and are located on the front and rear sides of the worm 64. The two worm wheels 65 are meshed with the worm 64. The outer side walls of the two worm wheels 65 are provided with clamping assemblies 7. The two clamping assemblies 7 are arranged opposite to each other in the front and rear directions and are used to clamp the outer peripheral wall of the bearing ring. The clamping ends of the two clamping assemblies 7 are provided with electromagnets 66.

[0030] The two driving ends of the bidirectional driving mechanism 3 can drive the grinding ends of the first grinding mechanism 4 and the second grinding mechanism 5 to abut against the two end surfaces of the bearing ring respectively.

[0031] As a preferred embodiment, the bidirectional driving mechanism 3 includes a second motor 31, a bidirectional screw 32, a forward screw connector 33, a reverse screw connector 34 and a slide bar 35; a mounting groove 21 is provided on the upper surface of the stand 2 along the left-right direction, the bidirectional screw 32 is rotatably connected in the mounting groove 21 along the left-right direction, the slide bar 35 is fixedly connected in the mounting groove 21 along the left-right direction and is located at the rear side of the bidirectional screw 32, the bidirectional screw 32 is provided with forward threads and reverse threads along the left-right direction, the forward screw connector 33 and the reverse screw connector 34 are symmetrically threadedly sleeved on the forward threads and reverse threads of the bidirectional screw 32, the rear parts of the forward screw connector 33 and the reverse screw connector 34 are both slidably sleeved on the slide bar 35, specifically, the forward screw connector 33 The lead screw connector 33 includes a forward connecting block, a forward lead screw nut and a forward guide sleeve, wherein the forward lead screw nut is fixedly sleeved in the front part of the forward connecting block, and the forward guide sleeve is fixedly sleeved in the rear part of the forward connecting block, and the forward connecting block is sleeved on the forward thread of the bidirectional lead screw 32 through the forward lead screw nut thread, and the forward connecting block is slidably sleeved on the slide bar 35 through the forward guide sleeve; the reverse lead screw connector 34 includes a reverse connecting block, a reverse lead screw nut and a reverse guide sleeve, wherein the reverse lead screw nut is fixedly sleeved in the front part of the reverse connecting block, and the reverse guide sleeve is fixedly sleeved in the rear part of the reverse connecting block, and the reverse connecting block is sleeved on the reverse thread of the bidirectional lead screw 32 through the reverse lead screw nut thread, and the reverse connecting block is slidably sleeved on the slide bar 35 through the reverse guide sleeve;

[0032] The first grinding mechanism 4 and the second grinding mechanism 5 are respectively fixedly mounted on the front side walls of the forward screw connector 33 and the reverse screw connector 34. Specifically, the first grinding mechanism 4 and the second grinding mechanism 5 are respectively fixedly mounted on the front side walls of the forward connection block and the reverse connection block. The second motor 31 is fixedly mounted on the left side wall of the stand 2. The driving end of the second motor 31 penetrates the left side wall of the stand 2 to the right and is connected to the left end of the bidirectional screw 32. By starting the second motor 31 to drive the bidirectional screw 32 to rotate, the forward screw connector 33 and the reverse screw connector 34 move toward or away from each other in cooperation with the slide bar 35, thereby driving the first grinding mechanism 4 and the second grinding mechanism 5 to move toward or away from each other until the grinding ends of the first grinding mechanism 4 and the second grinding mechanism 5 respectively abut against the two end faces of the bearing ring, so that the first grinding mechanism 4 and the second grinding mechanism 5 can grind the two end faces of the bearing rings of different widths at the same time, and the grinding efficiency is higher.

[0033] As a preferred solution, the first grinding mechanism 4 includes a first mounting plate 41, a first grinding motor 42 and a first grinding disc 43; the first mounting plate 41 is fixedly arranged on the front side wall of the forward lead screw connector 33, the first grinding motor 42 is fixedly arranged on the left side wall of the first mounting plate 41, the driving end of the first grinding motor 42 passes through the first mounting plate 41 to the right and is connected to the center of the first grinding disc 43, and the first grinding disc 43 is located on the left side of the support plate 61. By starting the first grinding motor 42 to drive the first grinding disc 43 to rotate, the left end face of the bearing ring is ground, and the structure is simple and the operation is simple.

[0034] As a preferred solution, the second grinding mechanism 5 includes a second mounting plate 51, a second grinding motor 52 and a second grinding disc 53; the second mounting plate 51 is fixedly arranged on the front side wall of the forward lead screw connector 33, the second grinding motor 52 is fixedly arranged on the left side wall of the second mounting plate 51, the driving end of the second grinding motor 52 passes through the second mounting plate 51 to the right and is connected to the center of the second grinding disc 53, and the second grinding disc 53 is located on the right side of the support plate 61. By starting the second grinding motor 52 to drive the second grinding disc 53 to rotate, the right end surface of the bearing ring is ground, and the structure is simple and the operation is simple.

[0035] As a preferred embodiment, the clamping assembly 7 includes a first hinge rod 71, a second hinge rod 72, a mounting block 73 and an arc-shaped clamping block 74; the mounting block 73 is connected to the worm gear 65 through the first hinge rod 71, one end of the first hinge rod 71 is fixedly connected to the outer side wall of the worm gear 65, the other end of the first hinge rod 71 is hinged to the mounting block 73, the mounting block 73 is connected to the vertical plate 62 through the second hinge rod 72, one end of the second hinge rod 72 is hinged to the vertical plate 62, and the first hinge rod 72 is hinged to the vertical plate 62. The other end of the two hinged rods 72 is hinged to the mounting block 73, and the first hinged rod 71 and the second hinged rod 72 are arranged in parallel; the outer wall of the arc-shaped clamping block 74 is fixedly set on the top of the mounting block 73, and the arc-shaped clamping block 74 is located above the vertical plate 62, and the electromagnet 66 is fixedly set on the inner wall of the arc-shaped clamping block 74. In the present embodiment, the electromagnet 66 is located in the middle of the arc-shaped clamping block 74, and the inner wall of the arc-shaped clamping block 74 can abut against the outer wall of the bearing ring. In this embodiment, the two clamping assemblies 7 are arranged relatively to each other along the front-to-back direction of the base 1, and the arc-shaped clamping blocks 74 of the two clamping assemblies 7 are arranged relatively to each other along the front-to-back direction of the base 1; by starting the first motor 63 to drive the worm 64 to rotate forward and reversely, the two worm wheels 65 on both sides of the worm 64 are driven to rotate forward and reversely, and then the two worm wheels 65 drive the arc-shaped clamping blocks 74 arranged relatively to each other in the front and back to rotate toward and away from each other, so as to realize the clamping and disassembly of the bearing ring, and the arc-shaped clamping blocks 74 can better fit the outer peripheral wall of the bearing ring. After the inner side surfaces of the front and rear arc-shaped clamping blocks 74 abut against the outer side walls of the bearing ring and fix the bearing ring in a limited position, the electromagnet 66 is energized by an external power supply so that the electromagnet 66 has an adsorption force. The electromagnet 66 adsorbs the bearing ring and adsorbs and fixes the bearing ring between the front and rear arc-shaped clamping blocks 74, making the fixation of the bearing ring more stable and avoiding deviation when the first grinding mechanism 4 and the second grinding mechanism 5 grind the double end surfaces of the bearing ring. After the grinding is completed, the electromagnet 66 is powered off to facilitate the removal of the bearing ring.

[0036] As a preferred solution, a rubber arc strip 75 is fixedly connected to the inner side wall of the arc clamping block 74, and a plurality of teeth are arranged in an array on the inner side wall of the rubber arc strip 75. The adsorption end of the electromagnet 66 passes through the rubber arc strip 75 and can abut against the outer side wall of the bearing ring. The friction between the arc clamping block 74 and the bearing ring is increased by providing the rubber arc strip 75, and the friction between the arc clamping block 74 and the bearing ring is further increased by the plurality of teeth on the inner side wall of the rubber arc strip 75, so as to avoid the first grinding mechanism 4 and the second grinding mechanism 5 from driving the bearing ring to rotate during grinding, thereby improving the grinding accuracy of the bearing ring.

[0037] The working mode of the utility model is as follows:

[0038] When in use, the bearing ring is placed between the arc-shaped clamping blocks 74 on the front and rear sides, and the first motor 63 is started to drive the worm 64 to rotate forward, thereby driving the two worm wheels 65 on both sides of the worm 64 to rotate forward, and then the two worm wheels 65 drive the front and rear relatively arranged arc-shaped clamping blocks 74 to rotate towards each other, so as to clamp the bearing ring. The arc-shaped clamping blocks 74 can better fit the outer peripheral wall of the bearing ring. After the inner side surfaces of the front and rear arc-shaped clamping blocks 74 abut against the outer side wall of the bearing ring and limit the bearing ring to fix it, the electromagnet 66 is energized by an external power supply so that the electromagnet 66 has an adsorption force, and the electromagnet 66 adsorbs the bearing ring to adsorb and fix the bearing ring to the arc-shaped clamping blocks 74 on the front and rear sides. The first grinding mechanism 4 and the second grinding mechanism 5 are connected to each other to make the bearing ring more stably fixed, so as to avoid the first grinding mechanism 4 and the second grinding mechanism 5 from driving the bearing ring to rotate during grinding, thereby improving the grinding accuracy of the bearing ring. Then, the second motor 31 is started to drive the bidirectional screw 32 to rotate, and the forward screw connector 33 and the reverse screw connector 34 are moved toward each other with the cooperation of the slide bar 35, thereby driving the first grinding mechanism 4 and the second grinding mechanism 5 to move toward each other, until the first grinding disc 43 and the second grinding disc 53 of the first grinding mechanism 4 and the second grinding mechanism 5 are respectively in contact with the left and right end faces of the bearing ring, and the first grinding motor 42 and the second grinding motor 52 are started to grind the left and right end faces of the bearing ring at the same time, so as to achieve higher grinding efficiency.

[0039] After the grinding is finished, the electromagnet 66 is powered off and the first motor 63 is started to rotate in the reverse direction, so as to facilitate the removal of the bearing ring.

[0040] The utility model is described in detail above. The description of the specific embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A double-end surface grinding device for a bearing ring, characterized in that: include A base (1) and a stand (2), wherein the stand (2) is vertically arranged on the upper surface of the base (1); A bidirectional driving mechanism (3), the bidirectional driving mechanism (3) is horizontally arranged on the stand (2), two driving ends of the bidirectional driving mechanism (3) are arranged in the horizontal direction, the two driving ends of the bidirectional driving mechanism (3) are respectively connected to a first grinding mechanism (4) and a second grinding mechanism (5), and the bidirectional driving mechanism (3) can drive the first grinding mechanism (4) and the second grinding mechanism (5) to move towards each other or away from each other; the grinding ends of the first grinding mechanism (4) and the second grinding mechanism (5) are arranged opposite to each other; A clamping mechanism (6), the clamping mechanism (6) comprising a support plate (61), a vertical plate (62), a first motor (63), a worm (64), a worm wheel (65) and a clamping assembly (7); The support plate (61) is horizontally arranged on the stand (2) and is located between the first grinding mechanism (4) and the second grinding mechanism (5); the first motor (63) is arranged on the support plate (61); the driving end of the first motor (63) is connected to the lower end of the worm (64); the worm (64) is vertically arranged on the support plate (61); the stand (62) is vertically arranged on the upper surface of the support plate (61); two worm wheels (65) are arranged; the two worm wheels (65) are rotatably connected to the stand (62) and are located on both sides of the worm (64); the two worm wheels (65) are meshed with the worm (64); the outer side walls of the two worm wheels (65) are provided with clamping assemblies (7); the two clamping assemblies (7) are arranged opposite to each other and are used to clamp the outer peripheral wall of the bearing ring; the clamping ends of the two clamping assemblies (7) are provided with electromagnets (66); The two driving ends of the bidirectional driving mechanism (3) can drive the grinding ends of the first grinding mechanism (4) and the second grinding mechanism (5) to respectively abut against the two end surfaces of the bearing ring.

2. The double-end surface grinding device for a bearing ring according to claim 1, characterized in that: The bidirectional driving mechanism (3) comprises a second motor (31), a bidirectional lead screw (32), a forward lead screw connector (33), a reverse lead screw connector (34) and a slide rod (35); The upper surface of the stand (2) is provided with a mounting groove (21) along the left-right direction, the bidirectional lead screw (32) is rotatably connected in the mounting groove (21) along the left-right direction, the slide bar (35) is fixedly connected in the mounting groove (21) along the left-right direction and is located at the rear side of the bidirectional lead screw (32), the bidirectional lead screw (32) is provided with a forward thread and a reverse thread along the left-right direction, the forward lead screw connector (33) and the reverse lead screw connector (34) are respectively and symmetrically threadedly sleeved on the forward thread of the bidirectional lead screw (32). and reverse threads, the rear parts of the forward screw connector (33) and the reverse screw connector (34) are both slidably mounted on the slide bar (35), the first grinding mechanism (4) and the second grinding mechanism (5) are respectively fixedly mounted on the front side walls of the forward screw connector (33) and the reverse screw connector (34), the second motor (31) is fixedly mounted on the left side wall of the stand (2), the driving end of the second motor (31) passes through the left side wall of the stand (2) to the right and is connected to the left end of the bidirectional screw (32).

3. The double-end surface grinding device for a bearing ring according to claim 1, characterized in that: The first grinding mechanism (4) comprises a first mounting plate (41), a first grinding motor (42) and a first grinding disc (43); the first mounting plate (41) is fixedly arranged on the front side wall of the forward screw connecting member (33); the first grinding motor (42) is fixedly arranged on the left side wall of the first mounting plate (41); the driving end of the first grinding motor (42) passes through the first mounting plate (41) to the right and is connected to the center of the first grinding disc (43); the first grinding disc (43) is located on the left side of the support plate (61).

4. The double-end surface grinding device for a bearing ring according to claim 1, characterized in that: The second grinding mechanism (5) comprises a second mounting plate (51), a second grinding motor (52) and a second grinding disc (53); the second mounting plate (51) is fixedly arranged on the front side wall of the forward lead screw connector (33); the second grinding motor (52) is fixedly arranged on the left side wall of the second mounting plate (51); the driving end of the second grinding motor (52) passes through the second mounting plate (51) to the right and is connected to the center of the second grinding disc (53); the second grinding disc (53) is located on the right side of the support plate (61).

5. The double-end surface grinding device for a bearing ring according to claim 1, characterized in that: The clamping assembly (7) comprises a first hinge rod (71), a second hinge rod (72), a mounting block (73) and an arc-shaped clamping block (74); the mounting block (73) is connected to the worm gear (65) through the first hinge rod (71); one end of the first hinge rod (71) is fixedly connected to the outer side wall of the worm gear (65); the other end of the first hinge rod (71) is hinged to the mounting block (73); the mounting block (73) is connected to the vertical plate (62) through the second hinge rod (72); one end of the second hinge rod (72) is hinged to the vertical plate (62); the other end of the second hinge rod (72) is hinged to the mounting block (73); the first hinge rod (71) and the second hinge rod (72) are arranged in parallel; The outer side wall of the arc-shaped clamping block (74) is fixedly arranged on the top of the mounting block (73), and the electromagnet (66) is fixedly arranged on the inner side wall of the arc-shaped clamping block (74). The inner side wall of the arc-shaped clamping block (74) can abut against the outer side wall of the bearing ring.

6. The double-end surface grinding device for a bearing ring according to claim 5, characterized in that: A rubber arc strip (75) is fixedly connected to the inner side wall of the arc clamping block (74), and a plurality of teeth are arranged in an array on the inner side wall of the rubber arc strip (75). The adsorption end of the electromagnet (66) passes through the rubber arc strip (75) and can abut against the outer side wall of the bearing ring.

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