Grinding device for deep groove ball bearing machining

Abstract

The invention relates to the technical field of deep groove ball bearing machining, and discloses a grinding device for deep groove ball bearing machining, which comprises a working table, and preferably, further comprises a bracket, a grinding device, a grinding device, a grinding device and a grinding device, and preferably, the bracket is mounted at the bottom of the working table and is used for supporting the working table to be stable; the inner clamping mechanism is arranged above the workbench and is used for internally clamping deep groove ball bearings with different diameters; the outer limiting mechanism is arranged on the inner clamping mechanism and is used for limiting when the outer wall of the deep groove ball bearing is ground; and the grinding mechanism is arranged on the right side of the workbench and used for grinding the deep groove ball bearing. According to the deep groove ball bearing inner ring grinding device, through the arranged inner clamping mechanism, the included angle between the first clamping rod and the second clamping rod is changed, so that the inner ring of a deep groove ball bearing is clamped, auxiliary clamping is achieved, and the deep groove ball bearing can be ground conveniently.

Description

Technical Field

[0001] The invention relates to the technical field of deep groove ball bearing processing, in particular to a grinding device for deep groove ball bearing processing. Background Art

[0002] Deep groove ball bearings were originally named radial ball bearings. They are the most widely used rolling bearings. They are characterized by low friction resistance and high speed. They can be used on parts that bear radial loads or combined loads of radial and axial loads, and can also be used on parts that bear axial loads.

[0003] For example, the announcement number CN 116214356 B discloses a grinding device for deep groove ball bearing processing, which relates to the field of bearing grinding technology. It includes a clamping mechanism, a grinding mechanism, an assembly mechanism and a cleaning mechanism, the clamping mechanism includes a clamping cylinder and an outer clamping plate, the grinding mechanism includes a grinding support plate and a grinding rod, the assembly mechanism includes an assembly threaded shaft and an assembly motor, the cleaning mechanism includes a cleaning spindle and a cleaning gear, the cleaning spindle is rotatably connected to the assembly support block, the cleaning gear is fixedly connected to the cleaning spindle, the inner ring and outer ring of the bearing are placed on the conveying mechanism for conveying, the inner ring and outer ring of the bearing are lifted and fixed by the clamping mechanism, the steel ball raceway between the inner ring and outer ring of the bearing is ground by the grinding mechanism, the steel ball is assembled to the bearing by the assembly mechanism after grinding, and finally the cleaning liquid is mixed by the cleaning mechanism and the bearing is cleaned by a brush; However, during the grinding process, the above device only clamps and fixes the two sides of the inner ring of the deep groove ball bearing, but cannot lock the steel ball raceway of the deep groove ball bearing, and thus cannot achieve tightening during grinding. Therefore, a grinding device for deep groove ball bearing processing is proposed to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a grinding device for deep groove ball bearing processing in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a grinding device for deep groove ball bearing processing, comprising a workbench, preferably, also comprising: A bracket, installed at the bottom of the workbench, used to support the workbench stably; An internal clamping mechanism, arranged above the workbench, for internally clamping deep groove ball bearings of different diameters; An external limiting mechanism, arranged on the internal clamping mechanism, for limiting the position of the outer wall of the deep groove ball bearing during grinding; A grinding mechanism, arranged on the right side of the workbench, for grinding the deep groove ball bearing; Wherein, the inner clamping mechanism comprises: A threaded rod is rotatably connected above the workbench and driven to rotate by a motor installed below the workbench; A lifting sleeve, threadedly connected to the outer wall of the threaded rod, for adjusting the height of the lifting sleeve; A connecting ring, fixedly connected to a relatively rotatable mounting ring on the outer wall of the threaded rod through a plurality of connecting rods; A plurality of clamping rods 1 and 2 are respectively hinged on the connecting ring and the lifting sleeve, and the clamping rods 1 and 2 are hinged relative to each other; The inner circle grinding assembly is installed at the hinge of the clamping rod 1 and the clamping rod 2, and is used for internally clamping the deep groove ball bearing for grinding.

[0006] Preferably, the clamping rod 1 and the clamping rod 2 are symmetrically arranged on the connecting ring and the lifting sleeve respectively, so as to stably clamp the inner wall of the deep groove ball bearing.

[0007] Preferably, the inner circle grinding assembly comprises: A mounting seat is hinged at a hinge point between the first clamping rod and the second clamping rod; The adjusting rod is movably connected to the inner wall of the mounting seat through a spring, and penetrates outward and is equipped with a grinding head for grinding the steel ball raceway of the deep groove ball bearing.

[0008] Preferably, the inner circle grinding assembly further comprises: Two mounting boxes are fixedly connected to the top and bottom of the mounting base respectively; An extension rod, movably connected to the inner wall of the installation box and extending outwardly through the installation box; A retaining ring is fixedly sleeved on the outer wall of the extension rod and is pulled outward by a spring sleeved on the outer wall thereof; The guide wheel is hinged on the extended end of the outer wall of the extension rod and is used for contacting and clamping the inner ring of the deep groove ball bearing.

[0009] Preferably, the inner circle grinding assembly further comprises: A plurality of fixing rods fixedly connected to the mounting seat; A limit frame is movably connected to the outer wall of the fixing rod and is located on the inner wall of the installation box; A plurality of springs 2 are sleeved on the outer wall of the fixing rod and connected between the installation box and the limiting frame, and are used to pull the limiting frame upward; A limit rod is mounted on the outer wall of the adjusting rod and moves in a movable hole provided on the mounting seat, and the other end of the limit rod moves through the mounting box and limits the upward movement of the limit frame; The spring three is sleeved on the outer wall of the extension rod to drive the retaining ring and the extension rod to move.

[0010] Preferably, a trapezoidal groove is provided on one side of the limiting frame, and one side of the trapezoidal groove is in contact with the retaining ring to limit the movement of the retaining ring.

[0011] Preferably, the external limiting mechanism comprises: A plurality of elastic telescopic rods are installed on the connecting rod at intervals and extend outward at the connecting ring; A plurality of mounting blocks are respectively hinged to the extended ends of the elastic telescopic rods; An outer guide cylinder is rotatably connected to the upper part of the mounting block and is used to abut against the outer wall of the deep groove ball bearing; A plurality of arc-shaped rods are rotatably connected to the upper and lower parts of the outer guide cylinder respectively; The spring piece is installed above the outer guide cylinder and contacts the outer wall of the upper arc-shaped rod through the stop rod connected thereto, so as to push the arc-shaped rods on both sides closer to each other.

[0012] Preferably, the grinding mechanism comprises: A plurality of guide rods are rotatably connected between the arc-shaped rods on both sides and are used to fit against the outer wall of the deep groove ball bearing for further interference; A driving rod movably passes through the workbench and extends downward, and its extended end is rotatably connected to a movable block, and a second motor is installed at the bottom of the movable block and connected to the extended end of the driving rod; A grinding belt is drivingly connected to the outer wall of the guide rod and the driving rod, and the grinding belts on one side of the two guide rods are in contact with the outer wall of the deep groove ball bearing, and are used for grinding the outer wall of the deep groove ball bearing; A fixed block, fixedly connected to the bottom of the workbench, and fixedly connected to a round rod on one side thereof, and the round rod movably passes through the movable block; Spring four is sleeved on the outer wall of the round rod and pushes the movable block to move.

[0013] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The grinding device for deep groove ball bearing processing clamps the inner ring of the deep groove ball bearing by means of an internal clamping mechanism and changes the angle between the clamping rod 1 and the clamping rod 2, thereby achieving auxiliary clamping and facilitating grinding thereof.

[0014] 2. The grinding device for deep groove ball bearing processing realizes the ability to move the retaining ring by moving the limit frame through the internal clamping mechanism, thereby limiting the movement of the extension rod. After the restriction on the retaining ring is released, the extension rod can be pushed to move, and the guide wheel can be pushed to contact the outer wall of the inner ring of the deep groove ball bearing to further fix it and improve its stability during grinding. The movable grinding head can adapt to the inner wall of the steel ball raceway to achieve fixed clamping and directly drive the deep groove ball bearing to rotate through the outer wall driving wheel to achieve the effect of grinding.

[0015] 3. The grinding device for deep groove ball bearing processing, through the external limit mechanism, moves the outer guide cylinder that can be retracted toward the center of the circle to initially fix the deep groove ball bearings of different diameters, and then pushes the stop rod through the spring pieces on both sides, and then pushes the arc rod to drive the guide rods on both sides to approach each other, so as to expand the clamping range of the deep groove ball bearing and improve the limiting effect on its outer side.

[0016] 4. The grinding device for deep groove ball bearing processing, through the grinding mechanism, uses a movable guide rod in conjunction with two guide rods that can change their positions to achieve the tightening effect of the grinding belt, so that the grinding belt is attached to the outer wall of the deep groove ball bearing, thereby being able to grind the outer walls of deep groove ball bearings of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the bottom structure of the present invention; Figure 3 It is a schematic diagram of the structure of the inner clamping mechanism of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 It is a schematic diagram of the structure of the external limit mechanism of the present invention; Figure 6 This is a schematic diagram of the grinding mechanism structure of the present invention; Figure 7 It is a schematic diagram of the exploded structure of the inner circle grinding assembly of the present invention.

[0018] In the figure: 1, workbench; 2, bracket; 3, inner clamping mechanism; 31, threaded rod; 32, lifting sleeve; 33, connecting ring; 34, connecting rod; 35, clamping rod 1; 36, clamping rod 2; 37, inner circle grinding assembly; 371, mounting seat; 372, adjusting rod; 373, grinding head; 374, spring 1; 375, mounting box; 376, fixing rod; 377, spring 2; 378, limit frame; 379, extension Long rod; 3710, retaining ring; 3711, spring three; 3712, guide wheel; 3713, limit rod; 4, external limit mechanism; 41, elastic telescopic rod; 42, mounting block; 43, external guide cylinder; 44, arc rod; 45, spring; 46, gear rod; 5, grinding mechanism; 51, guide rod; 52, driving rod; 53, grinding belt; 54, movable block; 55, round rod; 56, spring four; 57, fixed block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-7 One embodiment of the present invention is: a grinding device for deep groove ball bearing processing, comprising a workbench 1, and further comprising: The bracket 2 is installed at the bottom of the workbench 1 and is used to support the workbench 1 stably; The inner clamping mechanism 3 is arranged above the workbench 1 and is used for internally clamping deep groove ball bearings of different diameters; The outer limiting mechanism 4 is arranged on the inner clamping mechanism 3 and is used for limiting the outer wall of the deep groove ball bearing during grinding; A grinding mechanism 5 is arranged on the right side of the workbench 1 and is used for grinding the deep groove ball bearing; Wherein, the inner clamping mechanism 3 comprises: The threaded rod 31 is rotatably connected to the top of the workbench 1 and driven to rotate by a motor 1 installed under the workbench 1; A lifting sleeve 32 is threadedly connected to the outer wall of the threaded rod 31 and is used to adjust the height of the lifting sleeve 32; The connecting ring 33 is fixedly connected to the mounting ring which is relatively rotatable on the outer wall of the threaded rod 31 through a plurality of connecting rods 34; A plurality of clamping rods 1 35 and clamping rods 2 36 are respectively hinged on the connecting ring 33 and the lifting sleeve 32, and the clamping rods 1 35 and the clamping rods 2 36 are hinged relative to each other; The inner circle grinding assembly 37 is installed at the hinge of the clamping rod 1 35 and the clamping rod 2 36, and is used to internally clamp the deep groove ball bearing for grinding.

[0021] The clamping rod 1 35 and the clamping rod 2 36 are respectively symmetrically arranged on the connecting ring 33 and the lifting sleeve 32 in front, back and left and right directions to stably clamp the inner wall of the deep groove ball bearing.

[0022] The inner circle grinding assembly 37 comprises: The mounting seat 371 is hinged at the hinge of the clamping rod 1 35 and the clamping rod 2 36; The adjusting rod 372 is movably connected to the inner wall of the mounting seat 371 through a spring 374, and penetrates outward and is equipped with a grinding head 373 for grinding the steel ball raceway of the deep groove ball bearing.

[0023] The inner circle grinding assembly 37 also includes: Two mounting boxes 375 are fixedly connected to the top and bottom of the mounting base 371 respectively; The extension rod 379 is movably connected to the inner wall of the installation box 375 and extends outward through the installation box 375; The retaining ring 3710 is fixedly mounted on the outer wall of the extension rod 379 and is pulled outward by the spring 2 377 mounted on the outer wall thereof; The guide wheel 3712 is hinged on the outer wall extension end of the extension rod 379 and is used to contact and clamp the inner ring of the deep groove ball bearing.

[0024] The inner circle grinding assembly 37 also includes: A plurality of fixing rods 376, fixedly connected to the mounting seat 371; The limiting frame 378 is movably connected to the outer wall of the fixing rod 376 and is located on the inner wall of the installation box 375; A plurality of springs 377 are sleeved on the outer wall of the fixing rod 376 and connected between the mounting box 375 and the limiting frame 378 to pull the limiting frame 378 upward; The limiting rod 3713 is installed on the outer wall of the adjusting rod 372 and moves in the movable hole provided on the mounting seat 371. The other end of the limiting rod 3713 moves through the mounting box 375 and limits the upward movement of the limiting frame 378. Spring three 3711 is sleeved on the outer wall of the extension rod 379 to drive the retaining ring 3710 and the extension rod 379 to move.

[0025] A trapezoidal groove is formed on one side of the limiting frame 378 , and one side of the trapezoidal groove is in contact with the retaining ring 3710 to limit the movement of the retaining ring 3710 .

[0026] Working principle: The deep groove ball bearing to be polished is placed on the inner clamping mechanism 3 for fixing, and the motor 1 is rotated to drive the threaded rod 31 to rotate, and then the lifting sleeve 32 is driven to rise or fall, thereby driving the angle position of the clamping rod 1 35 and the clamping rod 2 36 to change, and driving the inner circle polishing assembly 37 on one side to move, and the inner ring of the deep groove ball bearing is clamped, thereby realizing auxiliary clamping, which is convenient for polishing; Then, by continuing to rotate the threaded rod 31, the grinding head 373 can deeply enter the steel ball raceway of the deep groove ball bearing, and push the adjusting rod 372 to move inward by inward resistance, thereby driving the limit plug rod 3713 to move, and then releasing the limit on the limit frame 378. At this time, under the action of spring 2 377, the limit frame 378 is pushed to move upward, and the restriction on the retaining ring 3710 is automatically released. Under the pull of spring 3711, the retaining ring 3710 and the extension rod 379 are directly driven to move to slide into the trapezoidal groove, and the push guide wheel 3712 is made to contact the inner ring of the deep groove ball bearing, so as to further fix it and improve its stability during grinding. The movable grinding head can adapt to the inner wall of the steel ball raceway to achieve fixed clamping and directly drive the deep groove ball bearing to rotate through the outer wall driving wheel to achieve the effect of grinding.

[0027] See also Figure 1-7 Based on the above embodiment, in another embodiment of the present invention, the outer limiting mechanism 4 includes: A plurality of elastic telescopic rods 41 are installed at intervals on the connecting rod 34 and extend outward at the connecting ring 33; A plurality of mounting blocks 42 are respectively hinged to the extended ends of the elastic telescopic rods 41; The outer guide cylinder 43 is rotatably connected to the upper side of the mounting block 42 and is used to abut against the outer wall of the deep groove ball bearing; A plurality of arc-shaped rods 44 are rotatably connected to the upper and lower parts of the outer guide cylinder 43; The spring piece 45 is installed above the outer guide cylinder 43 and contacts the outer wall of the upper arc-shaped rod 44 through the stop rod 46 connected thereto, so as to push the arc-shaped rods 44 on both sides closer to each other.

[0028] Working principle: first, the deep groove ball bearing is placed directly on the outer wall of multiple outer guide cylinders 43, and then pulled by the elastic telescopic rod 41 to achieve preliminary fixation of deep groove ball bearings of different diameters, and then the deep groove ball bearing is fixed from the inside to the outside by adjusting the inner clamping mechanism 3. After the outer guide cylinder 43 contacts the outer wall of the deep groove ball bearing, it pushes the gear rod 46 by cooperating with the spring pieces 45 on both sides, and then pushes the arc rod 44 to drive the guide rods 51 on both sides to approach each other, thereby expanding the clamping range of the deep groove ball bearing and improving the restriction effect on its outer side.

[0029] See also Figure 1-7 Based on the above embodiment, in another embodiment of the present invention, the grinding mechanism 5 includes: A plurality of guide rods 51 are rotatably connected between the arc rods 44 on both sides, and are used to fit against the outer wall of the deep groove ball bearing for further interference; The driving rod 52 movably passes through the workbench 1 and extends downward, and its extended end is rotatably connected to the movable block 54, and a motor 2 is installed at the bottom of the movable block 54 and connected to the extended end of the driving rod 52; The grinding belt 53 is drivingly connected to the outer wall of the guide rod 51 and the driving rod 52, and the grinding belt 53 on one side of the two guide rods 51 is in contact with the outer wall of the deep groove ball bearing, and is used to grind the outer wall of the deep groove ball bearing; The fixed block 57 is fixedly connected to the bottom of the workbench 1, and a round rod 55 is fixedly connected to one side of the fixed block 57, and the round rod 55 movably passes through the movable block 54; The spring 4 56 is sleeved on the outer wall of the round rod 55 and pushes the movable block 54 to move.

[0030] Working principle: The movable block 54 is pushed to move by spring four 56, thereby driving the entire driving rod 52 to move, and cooperates with the guide rod 51 installed on the arc rod 44 to approach the outer wall of the deep groove ball bearing, thereby tightening the grinding belt 53, and driving the driving rod 52 to rotate through motor two, driving the grinding belt 53 to rotate, and then directly driving the deep groove ball bearing to rotate through the outer wall driving wheel, so as to realize the grinding of the outer walls of deep groove ball bearings with different diameters.

[0031] The present invention provides a grinding device for deep groove ball bearing processing. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A grinding device for deep groove ball bearing processing, comprising a workbench (1), characterized in that: Also includes: A bracket (2) is installed at the bottom of the workbench (1) and is used to support the workbench (1) stably; An internal clamping mechanism (3) is arranged above the workbench (1) and is used to internally clamp deep groove ball bearings of different diameters; An external limiting mechanism (4) is arranged on the internal clamping mechanism (3) and is used for limiting the position of the outer wall of the deep groove ball bearing during grinding; A grinding mechanism (5), arranged on the right side of the workbench (1), and used for grinding the deep groove ball bearing; Wherein, the inner clamping mechanism (3) comprises: A threaded rod (31) is rotatably connected above the workbench (1) and driven to rotate by a motor installed below the workbench (1); A lifting sleeve (32) threadedly connected to the outer wall of the threaded rod (31) and used for adjusting the height of the lifting sleeve (32); A connecting ring (33) is fixedly connected to a relatively rotatable mounting ring on the outer wall of the threaded rod (31) via a plurality of connecting rods (34); A plurality of clamping rods 1 (35) and clamping rods 2 (36) are respectively hinged on the connecting ring (33) and the lifting sleeve (32), and the clamping rods 1 (35) and the clamping rods 2 (36) are hinged relative to each other; The inner circle grinding assembly (37) is installed at the hinge of the clamping rod 1 (35) and the clamping rod 2 (36) and is used to internally clamp the deep groove ball bearing for grinding.

2. A grinding device for deep groove ball bearing processing according to claim 1, characterized in that: The clamping rod 1 (35) and the clamping rod 2 (36) are respectively symmetrically arranged on the connecting ring (33) and the lifting sleeve (32) in front, back, left and right directions, so as to stably clamp the inner wall of the deep groove ball bearing.

3. A grinding device for deep groove ball bearing processing according to claim 2, characterized in that: The inner circle grinding assembly (37) comprises: A mounting seat (371) is hinged at a hinge point between the first clamping rod (35) and the second clamping rod (36); The adjusting rod (372) is movably connected to the inner wall of the mounting seat (371) through a spring 1 (374), and penetrates outward and is equipped with a grinding head (373) for grinding the steel ball raceway of the deep groove ball bearing.

4. A grinding device for deep groove ball bearing processing according to claim 3, characterized in that: The inner circle grinding assembly (37) further comprises: Two mounting boxes (375) are respectively fixedly connected to the top and bottom of the mounting base (371); An extension rod (379) movably connected to the inner wall of the installation box (375) and extending outward through the installation box (375); A retaining ring (3710) is fixedly sleeved on the outer wall of the extension rod (379) and is pulled outward by a second spring (377) sleeved on the outer wall thereof; The guide wheel (3712) is hinged to the extended end of the outer wall of the extension rod (379) and is used to contact and clamp the inner ring of the deep groove ball bearing.

5. A grinding device for deep groove ball bearing processing according to claim 4, characterized in that: The inner circle grinding assembly (37) further comprises: A plurality of fixing rods (376) fixedly connected to the mounting seat (371); A limiting frame (378) is movably connected to the outer wall of the fixing rod (376) and is located on the inner wall of the installation box (375); A plurality of springs (377) are sleeved on the outer wall of the fixing rod (376) and connected between the installation box (375) and the limiting frame (378) for pulling the limiting frame (378) upward; A limiting plug rod (3713) is mounted on the outer wall of the adjusting rod (372) and is movable in a movable hole provided on the mounting seat (371), and the other end of the limiting plug rod (3713) is movable through the mounting box (375) and limits the upward movement of the limiting frame (378); The spring three (3711) is sleeved on the outer wall of the extension rod (379) to drive the retaining ring (3710) and the extension rod (379) to move.

6. A grinding device for deep groove ball bearing processing according to claim 5, characterized in that: A trapezoidal groove is provided on one side of the limiting frame (378), and one side of the trapezoidal groove is in contact with the retaining ring (3710) to limit the movement of the retaining ring (3710).

7. A grinding device for deep groove ball bearing processing according to claim 6, characterized in that: The external limiting mechanism (4) comprises: A plurality of elastic telescopic rods (41) are installed at intervals on the connecting rod (34) and extend outward from the connecting ring (33); A plurality of mounting blocks (42) are respectively hinged to the extended ends of the elastic telescopic rods (41); An outer guide cylinder (43) is rotatably connected to the upper side of the mounting block (42) and is used to abut against the outer wall of the deep groove ball bearing; A plurality of arc-shaped rods (44) are rotatably connected to the upper and lower parts of the outer guide cylinder (43); The spring sheet (45) is installed above the outer guide cylinder (43) and abuts against the outer wall of the upper arc-shaped rod (44) through the stop rod (46) connected thereto, so as to push the arc-shaped rods (44) on both sides closer to each other.

8. A grinding device for deep groove ball bearing processing according to claim 7, characterized in that: The grinding mechanism (5) comprises: A plurality of guide rods (51) are rotatably connected between the arc-shaped rods (44) on both sides and are used to fit against the outer wall of the deep groove ball bearing for further resistance; A driving rod (52) movably passes through the workbench (1) and extends downward, and its extended end is rotatably connected to a movable block (54), and a second motor is installed at the bottom of the movable block (54) and is connected to the extended end of the driving rod (52); A grinding belt (53) is drivingly connected to the outer wall of the guide rod (51) and the driving rod (52), and the grinding belt (53) on one side of the two guide rods (51) is in contact with the outer wall of the deep groove ball bearing, and is used for grinding the outer wall of the deep groove ball bearing; A fixed block (57) is fixedly connected to the bottom of the workbench (1), and a round rod (55) is fixedly connected to one side of the fixed block (57), and the round rod (55) movably passes through the movable block (54); A spring four (56) is sleeved on the outer wall of the round rod (55) and pushes the movable block (54) to move.

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