Motor bearing inner ring polishing equipment

By using a bidirectional threaded drive clamping and a height adjustment mechanism linked to a gear and rack, the problem of uneven grinding when the bearing inner ring grinding equipment processes different specifications is solved, achieving adaptive clamping and precise grinding, thus improving processing efficiency and accuracy.

CN224102495UActive Publication Date: 2026-04-10SHANDONG LIAOCHENG LUYUE AUTOMOBILE MOTOR CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing bearing inner ring grinding equipment cannot adjust the grinding head height when processing bearing inner rings of different diameters or groove depths, resulting in uneven grinding contact surfaces and easily causing local over-grinding or under-grinding. At the same time, manual adjustment of the clamping position increases the processing preparation time and reduces production efficiency.

Method used

The bidirectional threaded drive clamping mechanism achieves adaptive clamping, and the height adjustment mechanism linked by the gear and rack, together with the lockable positioning component, ensures the precise alignment of the grinding wheel head with the inner ring groove, enabling stable clamping and precise grinding of the inner rings of bearings of different specifications.

Benefits of technology

This improved the equipment's adaptability to machining and grinding precision of bearing inner rings of different specifications, avoided frequent changes of traditional fixtures, and improved production efficiency and grinding quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224102495U_ABST
    Figure CN224102495U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of bearing machining, and discloses motor bearing inner ring polishing equipment which comprises a polishing table, clamping mechanisms are jointly arranged on the surfaces of the upper side and the lower side of the polishing table, a supporting block is fixedly connected to the position, located on the left side of the clamping mechanisms, of the upper surface of the polishing table, and a telescopic cylinder is fixedly connected to the surface of the left side of the supporting block. A spherical grinding wheel grinding head is mounted on the right side of the telescopic end of the telescopic cylinder; an adjusting mechanism is arranged between the telescopic end of the telescopic cylinder and the spherical grinding wheel grinding head; the clamping mechanism is driven by the two-way threads to achieve self-adaptive clamping, stable clamping of workpieces of different specifications is guaranteed, and the defect that a traditional clamp is frequently replaced is overcome. The gear and rack linkage height adjusting mechanism is matched with the lockable positioning assembly, precise lifting of the grinding wheel grinding head can be achieved, the spherical grinding head can be rapidly and accurately aligned with the curvature of an inner ring groove, and the machining adaptability and the grinding precision of the device to bearing inner rings of different specifications are remarkably improved through the synergistic effect of the two.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing processing technical field, concretely is a motor bearing inner race polishing equipment. BACKGROUND

[0002] Bearing inner race polishing device is used in the bearing inner race production process, in the bearing inner race polishing process, the position of the bearing inner race is fixed through clamping, and then the bearing inner race groove is polished by using the high-speed rotating spherical grinding head, but because the inner diameter of the bearing inner race is different, the bearing inner race polishing equipment of general size needs manual adjustment of the clamping position every time, which increases the processing preparation time and reduces the production test efficiency of the bearing inner race.

[0003] A bearing inner race polishing device is disclosed in Chinese patent (authorized publication number CN222711651U), the patent technology places the bearing inner race to be processed on the rotating disc through the setting of the conical table and the clamping block, the clamping block and the conical table are located inside the bearing inner race, the piston rod of the electric cylinder passes through the rotating disc and is connected with the conical table, the conical table is driven to move upward along the axial direction through the piston rod of the electric cylinder, the side surface of the conical table is used to apply a pushing force to the inner side surface of the four clamping blocks, the clamping blocks are pushed to move outward along the sliding groove, the outer side surface of the clamping blocks is tightly abutted with the inner ring surface of the bearing inner race, and the bearing inner race with different inner diameters is clamped and fixed, which provides convenience for the polishing of the bearing inner race.

[0004] However, it has certain disadvantages: the height of the spherical grinding head cannot be adjusted, so when processing bearing inner races with different diameters or groove depths, the grinding head with fixed height cannot form the best fit with the groove curve, which easily causes uneven grinding contact surface and leads to local overgrinding or grinding omission. Utility model content

[0005] The utility model aims at providing a motor bearing inner race polishing equipment to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A motor bearing inner race polishing equipment, including the polishing table, the upper and lower two side surfaces of the polishing table are provided with clamping mechanisms, and the upper surface of the polishing table is fixedly connected with a support block on the left side of the clamping mechanism, the left side surface of the support block is fixedly connected with a telescopic cylinder, and the telescopic end of the telescopic cylinder is installed with a spherical grinding head.

[0008] The adjusting mechanism is arranged between the telescopic end of the telescopic cylinder and the spherical grinding wheel head, and comprises an adjusting seat, a rack movably connected through the upper and lower surfaces of the adjusting seat, an L-shaped rod fixedly connected to the lower end of the left surface of the rack, a rotating rod rotatably connected to the front surface of the adjusting seat, gear one fixedly connected to one end of the rotating rod inside the adjusting seat, and gear two fixedly connected to the other end of the rotating rod outside the adjusting seat, and a positioning mechanism arranged above the rotating rod on the front surface of the adjusting seat.

[0009] As a further scheme of the utility model: the clamping mechanism includes motor one, the output of motor one is fixedly connected with clamping seat, the front surface of clamping seat is fixedly connected with motor two, the output of motor two is fixedly connected with threaded rod, the outer surface of threaded rod is screw-connected with two threaded blocks in the inside of clamping seat, and the upper end of threaded block is fixedly connected with clamping block.

[0010] As a further scheme of the utility model: the positioning mechanism includes fixed block, the inside of fixed block is screw-connected with positioning rod, the lower end of positioning rod is rotatably connected with positioning block, and the upper surface of positioning block is fixedly connected with fixed rod behind positioning rod.

[0011] As a further scheme of the utility model: the spherical grinding wheel head is fixedly connected to the right surface of adjusting seat, the telescopic end of telescopic cylinder is fixedly connected to the left surface of L-shaped rod, and gear one is meshingly connected to rack.

[0012] As a further scheme of the utility model: motor one is fixedly connected to the lower surface of polishing table, clamping seat is above polishing table, one end of threaded rod is rotatably connected to the inside of one side surface of clamping seat, two threaded blocks are slidably connected to the upper surface of clamping seat, and two threaded blocks are symmetrically distributed about clamping seat, and clamping block is above clamping seat.

[0013] As a further scheme of the utility model: the rear end of fixed block is fixedly connected to the front surface of adjusting seat, positioning block is engaged with gear two, and fixed rod movably penetrates fixed block.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a bidirectional screw thread drive clamping mechanism realizes self -adaptation clamping, utilizes the symmetrical distribution's antiskid clamping piece to carry out multidirectional even pressure to bearing inner race, guarantees the steady clamping of different specifications workpieces, and also avoids the drawback of frequent replacement of traditional fixture, adopts the height adjusting mechanism of gear and rack linkage cooperation lockable positioning assembly, can realize the precision of grinding wheel grinding head, makes spherical grinding head fast accurate alignment inner race groove curvature, effectively solved the technical problem of poor matching degree of tool and workpiece when polishing special-shaped curved surface, and the synergistic effect of two significantly improves the processing adaptability and polishing precision of equipment to different specifications bearing inner race. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a kind of motor bearing inner race polishing equipment's structural diagram;

[0017] Fig. 2 It is a kind of motor bearing inner race polishing equipment's structural diagram;

[0018] Fig. 3 It is a kind of motor bearing inner race polishing equipment's structural diagram;

[0019] Fig. 4 It is a kind of motor bearing inner race polishing equipment's structural diagram;

[0020] Fig. 5 It is a kind of motor bearing inner race polishing equipment's structural diagram;

[0021] Fig. 6 It is a kind of motor bearing inner race polishing equipment's structural diagram;

[0022] In the drawing: 1, polishing table;2, clamping mechanism;3, motor one;4, clamping seat;5, motor two;6, threaded rod;7, threaded block;8, clamping block;9, support block;10, telescopic cylinder;11, spherical grinding wheel grinding head;12, adjusting mechanism;13, adjusting seat;14, rack;15, L type rod;16, rotating rod;17, gear one;18, gear two;19, positioning mechanism;20, fixed block;21, positioning rod;22, positioning block;23, fixed rod;24, motor bearing inner race. DETAILED DESCRIPTION

[0023] Please refer to Figs. 1-3The utility model discloses an embodiment of a motor bearing inner race polishing equipment, including polishing table 1, the upper and lower two sides surface of polishing table 1 is provided with clamping mechanism 2 in common, clamping mechanism 2 includes motor one 3, and motor one 3 is fixedly connected in the lower surface of polishing table 1, and the output of motor one 3 is fixedly connected with clamping seat 4, and clamping seat 4 is located above polishing table 1, and the front surface of clamping seat 4 is fixedly connected with motor two 5, and the output of motor two 5 is fixedly connected with threaded rod 6, and one end of threaded rod 6 is rotatably connected to the inside one side surface of clamping seat 4, and two threaded blocks 7 are screw connected on the outer surface of threaded rod 6 in the inside of clamping seat 4, two threaded blocks 7 are all slidably connected to the upper surface of clamping seat 4, and two threaded blocks 7 are about the symmetrical distribution of clamping seat 4, and the upper end of threaded block 7 is fixedly connected with clamping block 8, and clamping block 8 is located above clamping seat 4, and the upper surface of polishing table 1 is fixedly connected with support block 9 on the left side of clamping mechanism 2, and the left side surface of support block 9 is fixedly connected with telescopic cylinder 10, and the telescopic end right side of telescopic cylinder 10 is installed with spherical grinding head 11;

[0024] Motor bearing inner race 24 is placed on the upper surface of clamping seat 4, and two clamping blocks 8 are located on the inside of motor bearing inner race 24;

[0025] Motor one 3 is used to drive clamping seat 4 to rotate;

[0026] The screw direction of two threaded blocks 7 is opposite, that is, rotating threaded rod 6, and two threaded blocks 7 will move relatively or oppositely;

[0027] Two clamping blocks 8 oppositely move and tightly contact the inside surface of motor bearing inner race 24, are used to clamp and fix motor bearing inner race 24, and are convenient for clamping and fixing the motor bearing inner race 24 of different specifications;

[0028] The outer surface of clamping block 8 is coated with an antiskid coating, is used to enhance the friction force with motor bearing inner race 24;The antiskid coating can be rubber-based coating, ceramic particle coating, etc.;

[0029] Telescopic cylinder 10 is preferably an electric cylinder, which can adjust the telescopic stroke and is used to drive spherical grinding head 11 to move left and right;

[0030] Spherical grinding head 11 is used to fit the surface groove of motor bearing inner race 24, thereby polishing and polishing the surface groove.

[0031] In Fig. 1 、 Figs. 4-6The utility model discloses a ball grinding head is provided with the adjusting mechanism 12 between the telescopic end of telescopic cylinder 10 and ball grinding head 11, and the adjusting mechanism 12 includes adjusting seat 13, and ball grinding head 11 is fixedly connected to the right side surface of adjusting seat 13, and the upper and lower side surfaces of adjusting seat 13 are jointly movable and are connected with rack 14, and the left side surface lower end of rack 14 is fixedly connected with L type rod 15, and the telescopic end of telescopic cylinder 10 is fixedly connected to the left side surface of L type rod 15, and the front surface of adjusting seat 13 is rotatably connected with rotating rod 16, and one end of rotating rod 16 in the inside of adjusting seat 13 is fixedly connected with gear one 17, and gear one 17 is connected with rack 14, and one end of rotating rod 16 outside adjusting seat 13 is fixedly connected with gear two 18, and the front surface of adjusting seat 13 is provided with positioning mechanism 19 above rotating rod 16, and positioning mechanism 19 includes fixed block 20, and the rear end of fixed block 20 is fixedly connected with the front surface of adjusting seat 13, and the inside of fixed block 20 is threadedly connected with positioning rod 21, and the lower end of positioning rod 21 is rotatably connected with positioning block 22, and positioning block 22 is clamped in gear two 18, and the upper surface of positioning block 22 is fixedly connected with fixed rod 23 behind positioning rod 21, and fixed rod 23 movably penetrates fixed block 20;

[0032] Adjusting seat 13 can move up and down outside rack 14, thereby adjusting the height of ball grinding head 11, so that ball grinding head 11 can always be opposite to the groove on the inner ring when grinding different specifications of motor bearing inner ring 24.

[0033] Adjusting seat 13 will not touch clamping mechanism 2 during up and down.

[0034] Rotating positioning rod 21 can drive positioning block 22 to move up and down, and positioning block 22 is fixed when clamped between two adjacent teeth of gear two 18, thereby fixing rotating rod 16 and gear one 17, and further fixing the height of adjusting seat 13 and ball grinding head 11.

[0035] The working principle of the utility model is as follows: after placing motor bearing inner ring 24 on the upper surface of clamping seat 4, starting motor two 5 to drive threaded rod 6 to rotate, driving two threaded blocks 7 to move away from each other, so that clamping block 8 tightly presses the inner side of motor bearing inner ring 24 to complete fixation; then moving adjusting seat 13 up and down, so that ball grinding head 11 rises and falls to align with the inner ring groove, and then tightening positioning rod 21 to make positioning block 22 clamped into the teeth of gear two 18 to lock the height; starting motor one 3 to drive clamping seat 4 and motor bearing inner ring 24 to rotate, while telescopic cylinder 10 pushes ball grinding head 11 to move right to the groove surface, and precise grinding and polishing are realized through rotating friction.

[0036] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, and any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

[0037] In the description of the present application, it should be explained that, unless explicitly defined and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A motor bearing inner ring polishing equipment, comprising a polishing table (1), the upper and lower surfaces of the polishing table (1) are provided with a clamping mechanism (2) together, and the upper surface of the polishing table (1) is fixedly connected with a supporting block (9) on the left side of the clamping mechanism (2), the left surface of the supporting block (9) is fixedly connected with a telescopic cylinder (10), and the telescopic end of the telescopic cylinder (10) is installed with a spherical grinding head (11) on the right side. characterized in that An adjusting mechanism (12) is arranged between the telescopic end of the telescopic cylinder (10) and the spherical grinding head (11), the adjusting mechanism (12) comprises an adjusting seat (13), the upper and lower surfaces of the adjusting seat (13) are movably connected with a rack (14) together, the left surface of the rack (14) is fixedly connected with an L-shaped rod (15) at the lower end, the front surface of the adjusting seat (13) is rotatably connected with a rotating rod (16), one end of the rotating rod (16) inside the adjusting seat (13) is fixedly connected with a gear one (17), and the other end of the rotating rod (16) outside the adjusting seat (13) is fixedly connected with a gear two (18), and the front surface of the adjusting seat (13) is provided with a positioning mechanism (19) above the rotating rod (16).

2. The motor bearing inner race grinding apparatus of claim 1, wherein, The clamping mechanism (2) comprises a motor one (3), the output end of the motor one (3) is fixedly connected with a clamping seat (4), the front surface of the clamping seat (4) is fixedly connected with a motor two (5), the output end of the motor two (5) is fixedly connected with a threaded rod (6), the outer surface of the threaded rod (6) is threadedly connected with two threaded blocks (7) inside the clamping seat (4), and the upper end of the threaded block (7) is fixedly connected with a clamping block (8).

3. The motor bearing inner race grinding apparatus of claim 1, wherein, The positioning mechanism (19) comprises a fixed block (20), the inside of the fixed block (20) is threadedly connected with a positioning rod (21), the lower end of the positioning rod (21) is rotatably connected with a positioning block (22), and the upper surface of the positioning block (22) is fixedly connected with a fixed rod (23) behind the positioning rod (21).

4. The motor bearing inner race grinding apparatus of claim 1, wherein, The spherical grinding head (11) is fixedly connected to the right surface of the adjusting seat (13), the telescopic end of the telescopic cylinder (10) is fixedly connected to the left surface of the L-shaped rod (15), and the gear one (17) is engagedly connected to the rack (14).

5. The motor bearing inner race grinding apparatus of claim 2, wherein, The motor one (3) is fixedly connected to the lower surface of the polishing table (1), the clamping seat (4) is above the polishing table (1), one end of the threaded rod (6) is rotatably connected to one side surface inside the clamping seat (4), the two threaded blocks (7) are slidably connected to the upper surface of the clamping seat (4), and the two threaded blocks (7) are symmetrically distributed about the clamping seat (4), and the clamping block (8) is above the clamping seat (4).

6. The motor bearing inner race grinding apparatus of claim 3, wherein, The rear end of the fixed block (20) is fixedly connected to the front surface of the adjusting seat (13), the positioning block (22) is engaged with the gear two (18), and the fixed rod (23) movably penetrates the fixed block (20).

Citation Information

Patent Citations

  • A bearing inner ring grinding device

    CN222711651U