Polishing device for insert bearing

Abstract

The utility model provides an insert bearing polishing device, which relates to the technical field of bearing manufacture, and comprises a polisher frame, the rear part of the polisher frame is fixedly connected with a rotary driving piece through a bolt, the front end of a rotating shaft of the rotary driving piece is fixedly connected with a bearing rotating disc, and the front part of the bearing rotating disc is fixedly connected with a bearing positioning seat through a bolt; the bearing outer ring is fixed by changing the outer diameter size of the expansion ring, so that the outer surface of the expansion ring is tightly attached to the inner surface of the bearing outer ring, the contact area between the inner surface of the bearing outer ring and the clamp is increased, stress concentration caused to the inner surface of the bearing outer ring is reduced, and scratches generated on the inner surface of the bearing outer ring are avoided; the problems that when grinding work of a traditional insert bearing is carried out, the outer ring of the insert bearing needs to be fixed through a clamp, for the traditional clamp, a clamping mechanism and the outer ring of the bearing are generally in point contact or line contact, and the surface of the insert bearing is abraded or indented and damaged when the insert bearing is fixed are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing manufacturing technical field especially relates to a kind of outer spherical surface bearing polishing device. BACKGROUND

[0002] The outer diameter surface of outer spherical surface bearing outer ring is spherical surface, can be matched into the corresponding concave spherical surface of bearing seat, with aligning function, widely used in agricultural machinery, transportation system, construction machinery and other fields, mainly used to bear radial and axial combined load, for outer spherical surface bearing, since bearing outer spherical surface and bearing seat are surface contact, thus the surface of outer spherical surface bearing needs to be further polished, polished, so that its surface is more smooth.

[0003] When the polishing work of traditional outer spherical surface bearing is carried out, the outer spherical surface bearing outer ring needs to be fixed by clamp, for traditional clamp, clamping mechanism and bearing outer ring are generally point contact or line contact, the fixing of outer spherical surface bearing can cause wear or indentation on its surface, damage bearing surface. SUMMARY

[0004] The embodiment of the present disclosure relates to an outer spherical surface bearing polishing device, to solve the problem that when the polishing work of traditional outer spherical surface bearing is carried out, the outer spherical surface bearing outer ring needs to be fixed by clamp, for traditional clamp, clamping mechanism and bearing outer ring are generally point contact or line contact, the fixing of outer spherical surface bearing can cause wear or indentation on its surface, damage bearing surface.

[0005] In the first aspect of the present disclosure, an outer spherical surface bearing polishing device is provided, which specifically comprises: a polishing machine rack, a rotating drive member is fixedly connected to the rear of the polishing machine rack by bolts, a bearing rotating disc is fixedly connected to the front end of the rotating shaft of the rotating drive member, a bearing positioning seat is fixedly connected to the front of the bearing rotating disc by bolts, a positioning insertion shaft is fixedly connected to the front of the bearing positioning seat, an expansion ring is sleeved on the positioning insertion shaft, a rear wedge edge is processed on the outer wall of the positioning insertion shaft, an adjusting socket is formed in the front of the bearing positioning seat, an adjusting screw hole is formed in the inner end of the adjusting socket, a second inner wedge edge and a first inner wedge edge are respectively formed in the front edge and the rear edge of the inner surface of the expansion ring, an expansion groove is formed in the expansion ring, an expansion push plate is installed in front of the positioning insertion shaft, a push plate insertion column is fixedly connected to the center of the rear surface of the expansion push plate, a push plate screw rod is fixedly connected to the rear end of the push plate insertion column, the push plate screw rod is screw-connected with the adjusting screw hole, a front wedge edge is formed in the rear edge of the expansion push plate, and an adjusting rotary cylinder is fixedly connected to the front surface of the expansion push plate.

[0006] In at least some embodiments, two rack guide rods are fixedly connected to the front surface of the polishing machine rack, and the rack guide rods are perpendicular to the bottom surface of the polishing machine rack.

[0007] In at least some embodiments, the polishing machine frame is fixedly connected with a lifting push cylinder, the lifting push cylinder push shaft is fixedly connected with a lifting push table, the rear edge of the lifting push table is fixedly connected with a push table sliding block, and the push table sliding block is slidingly connected with the frame guide rod.

[0008] In at least some embodiments, the upper surface of the lifting push table is fixedly connected with a vertical guide rod, and the vertical guide rod is sleeved with a polishing push spring.

[0009] In at least some embodiments, the upper surface of the lifting push table is fixedly connected with a vertical guide rod, and the vertical guide rod is sleeved with a polishing push spring.

[0010] In at least some embodiments, the two installation seat guide cylinders are movably sleeved with two vertical guide rods, respectively, and the upper end and the lower end of the polishing push spring are fixedly connected with the lifting push table and the installation seat guide cylinder, respectively.

[0011] In at least some embodiments, the grinding strip mounting seat is a bracket with a "U"-shaped cross section, and the front wall of the grinding strip mounting seat is screw-connected with a fastening screw rod.

[0012] In at least some embodiments, the grinding strip mounting seat is provided with a bearing grinding strip, the end of the fastening screw rod abuts against the front surface of the bearing grinding strip, and the upper surface of the bearing grinding strip is provided with an arc-shaped groove.

[0013] The utility model provides a kind of outer spherical surface bearing polishing device, with following beneficial effects:

[0014] The bearing clamping mode in the outer spherical surface bearing polishing device is improved, the expansion ring is expanded by the cooperation of bearing positioning seat and expansion push plate, the bearing outer ring is fixed by changing the outer diameter size of expansion ring, the expansion ring outer surface is tightly combined with the inner surface of bearing outer ring, the contact area between bearing outer ring inner surface and clamp is increased, the stress concentration on bearing outer ring inner surface is reduced, and scratches on bearing outer ring inner surface are avoided;The bearing rotating disc, bearing positioning seat and expansion ring are driven to high-speed rotation by rotary drive member, the bearing outer ring is rotated and contacted with bearing grinding strip, the bearing outer ring is polished by friction with bearing grinding strip, the polishing of bearing outer spherical surface is realized, the clamping firmness of bearing outer ring is improved, and the bearing outer ring is avoided from being abraded during clamping process.

[0015] In addition, the bearing grinding strip is fixed by grinding strip mounting seat, the height of grinding strip mounting seat is controlled by the cooperation of lifting push cylinder and lifting push table, the pressure between bearing grinding strip and bearing outer ring during polishing process is controlled, the bearing grinding strip can move left and right inside grinding strip mounting seat after local damage, and positioning is strengthened by fastening screw rod, so that the polishing efficiency of bearing is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0017] The drawings in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0018] In the drawings:

[0019] Figure 1 A schematic diagram showing the overall structure of the present application is shown;

[0020] Figure 2 A structural schematic diagram of the inside of the bearing positioning seat of the present application is shown;

[0021] Figure 3 A structural schematic diagram of the bearing positioning seat, expansion ring and expansion push plate of the present application when separated is shown;

[0022] Figure 4 A structural schematic diagram of the bearing positioning seat, expansion ring and expansion push plate of the present application when matched is shown;

[0023] Figure 5 A structural schematic diagram of the expansion ring of the present application is shown;

[0024] Figure 6 A structural schematic diagram of the lifting push table and grinding strip mounting seat of the present application when separated is shown;

[0025] Figure 7 A structural schematic diagram of the bottom of the grinding strip mounting seat of the present application is shown.

[0026] List of reference signs

[0027] 1, grinder frame; 101, frame guide rod; 2, rotary driving member; 3, bearing rotating disc; 4, bearing positioning seat; 401, positioning shaft; 402, rear wedge edge; 403, adjusting socket; 404, adjusting screw hole; 5, expansion ring; 501, first inner wedge edge; 502, second inner wedge edge; 503, expansion groove; 6, expansion push plate; 601, push plate insertion column; 602, push plate screw rod; 603, front wedge edge; 604, adjusting rotating cylinder; 7, lifting push cylinder; 8, lifting push table; 801, push table sliding block; 802, vertical guide rod; 803, grinding push spring; 9, grinding strip mounting seat; 901, mounting seat guide cylinder; 902, fastening rotating rod; 10, bearing grinding strip. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0029] Embodiment one: please refer to Figures 1 to 7 :

[0030] The utility model proposes a kind of outer spherical surface bearing polishing device, comprising: polishing machine frame 1, the rear of polishing machine frame 1 is connect by bolt fixed with rotary drive part 2, the rotary shaft front end of rotary drive part 2 is connect with bearing rotary disc 3, the front of bearing rotary disc 3 is connect by bolt fixed with bearing positioning seat 4, the front of bearing positioning seat 4 is connect with positioning plug axle 401, positioning plug axle 401 is sleeved with expansion ring 5, rear wedge edge 402 is processed on the outer wall of positioning plug axle 401, adjusting socket 403 is set in the front of bearing positioning seat 4, adjusting screw hole 404 is set in the inner end of adjusting socket 403, second inner wedge edge 502 and first inner wedge edge 501 are set in the inner surface front edge and rear edge of expansion ring 5 respectively, expansion groove 503 is set in expansion ring 5, expansion push plate 6 is installed in the front of positioning plug axle 401, push plate plug column 601 is connect with the rear surface center of expansion push plate 6 fixedly, push plate screw rod 602 is connect with the rear end of push plate plug column 601 fixedly, push plate screw rod 602 is screw connected adjusting screw hole 404, front wedge edge 603 is set in the rear edge of expansion push plate 6, adjusting rotary cylinder 604 is connect with the front surface of expansion push plate 6 fixedly.

[0031] In the embodiment of the present disclosure, the front surface of the polishing machine frame 1 is fixedly connected with two rack guide rods 101, which are perpendicular to the bottom surface of the polishing machine frame 1; the polishing machine frame 1 is fixedly connected with a lifting push cylinder 7, the lifting push cylinder 7 is fixedly connected with a lifting push table 8, the rear edge of the lifting push table 8 is fixedly connected with a push table sliding block 801, the push table sliding block 801 is slidingly connected with the rack guide rod 101, which plays a guiding role, and the height of the lifting push table 8 can be controlled by the lifting push cylinder 7 to adjust the height of the grinding strip mounting seat 9.

[0032] In the embodiment of the present disclosure, the upper surface of the lifting push table 8 is fixedly connected with a vertical guide rod 802, a polishing push spring 803 is sleeved on the vertical guide rod 802, an upper side of the lifting push table 8 is provided with a grinding strip mounting seat 9, the lower surface of the grinding strip mounting seat 9 is fixedly connected with two mounting seat guide cylinders 901, the two mounting seat guide cylinders 901 are movably sleeved with the two vertical guide rods 802 respectively, play a guiding role, so that the grinding strip mounting seat 9 can be vertically lifted and kept at an angle parallel to the lifting push table 8, and the upper end and the lower end of the polishing push spring 803 are fixedly connected with the lifting push table 8 and the mounting seat guide cylinder 901 respectively; in a normal state, the grinding strip mounting seat 9 is pushed upward by the polishing push spring 803, and then the bearing grinding strip 10 is kept in close contact with the outer spherical surface of the bearing during polishing.

[0033] In the embodiment two, on the basis of the embodiment one, the grinding strip mounting seat 9 is a bracket with a cross-section in the shape of “U”, a fastening screw rod 902 is spirally connected with the front wall of the grinding strip mounting seat 9, the bearing grinding strip 10 is installed on the grinding strip mounting seat 9, the end of the fastening screw rod 902 abuts against the front surface of the bearing grinding strip 10, and the upper surface of the bearing grinding strip 10 is provided with an arc-shaped groove body; the bearing grinding strip 10 is fixed in the groove body of the grinding strip mounting seat 9 by the close pushing and abutting of the fastening screw rod 902, and after a part of the bearing grinding strip 10 is excessively worn, the position of the bearing grinding strip 10 above the grinding strip mounting seat 9 can be adjusted, the contact position of the outer circular surface of the bearing and the bearing grinding strip 10 is adjusted, and then the efficient polishing of the bearing is maintained.

[0034] The working principle of the embodiment is as follows: first, the outer ring of the outer spherical surface bearing to be polished is sleeved outside the expansion ring 5, the expansion push plate 6 is rotated by inserting the adjusting screw cylinder 604 with a hexagonal tool, the expansion push plate 6 is moved backward by the screw transmission of the push plate screw 602 and the adjusting screw hole 404, the first inner wedge edge 501 and the second inner wedge edge 502 are in close contact with the rear wedge edge 402 and the front wedge edge 603, the expansion ring 5 is expanded as the front wedge edge 603 moves backward, the expansion ring 5 is in close contact with the inner surface of the bearing outer ring by the expansion of the expansion ring 5, the fixing of the bearing outer ring is realized, then the rotating driving part 2 is started, the rotating driving part 2 drives the positioning structure and the bearing outer ring to rotate, the lifting push cylinder 7 pushes the lifting push table 8 upward, the bearing grinding strip 10 is in contact with the outer surface of the bearing outer ring, the bearing outer ring is polished by the friction between the rotation of the bearing outer ring and the bearing grinding strip 10.

[0035] In this paper, the following points need to be noted:

[0036] 1. The drawings of the embodiment of the present disclosure only relate to the structures involved in the embodiment of the present disclosure, and other structures can refer to the usual design.

[0037] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0038] The above merely provides the specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An outer race bearing lapping device comprising: The grinding machine frame (1) is provided with a rotary driving part (2) at the rear end thereof, and the rotary driving part (2) is provided with a bearing rotating disc (3) at the front end of the rotating shaft thereof, characterized in that the bearing rotating disc (3) is provided with a bearing positioning seat (4) at the front end thereof, the bearing positioning seat (4) is provided with a positioning inserting shaft (401) at the front end thereof, the positioning inserting shaft (401) is provided with an expansion ring (5), the outer wall of the positioning inserting shaft (401) is provided with a rear wedge edge (402), the front end of the bearing positioning seat (4) is provided with an adjusting inserting hole (403), the inner end of the adjusting inserting hole (403) is provided with an adjusting screw hole (404), the inner surface of the expansion ring (5) is provided with a second inner wedge edge (502) and a first inner wedge edge (501) at the front edge and the rear edge thereof respectively, the expansion ring (5) is provided with an expansion groove (503), the front end of the positioning inserting shaft (401) is provided with an expansion push plate (6), the rear surface of the expansion push plate (6) is provided with a push plate inserting column (601) at the center thereof, the rear end of the push plate inserting column (601) is provided with a push plate screw rod (602), the push plate screw rod (602) is screwed with the adjusting screw hole (404), the rear edge of the expansion push plate (6) is provided with a front wedge edge (603), and the front surface of the expansion push plate (6) is provided with an adjusting rotating cylinder (604).

2. The outer ball bearing grinding device according to claim 1, characterized in that, the front surface of the grinding machine frame (1) is provided with two frame guide rods (101), and the frame guide rods (101) are perpendicular to the bottom surface of the grinding machine frame (1).

3. The outer ball bearing grinding device according to claim 2, characterized in that, the grinding machine frame (1) is provided with a lifting push cylinder (7), the lifting push cylinder (7) is provided with a lifting push table (8) at the push shaft thereof, the rear edge of the lifting push table (8) is provided with a push table sliding block (801), and the push table sliding block (801) is slidingly connected with the frame guide rods (101).

4. The outer ball bearing grinding device according to claim 3, characterized in that, the upper surface of the lifting push table (8) is provided with a vertical guide rod (802), and the vertical guide rod (802) is provided with a grinding push spring (803).

5. The outer ball bearing grinding device according to claim 4, characterized in that, the upper side of the lifting push table (8) is provided with a grinding strip mounting seat (9), and the lower surface of the grinding strip mounting seat (9) is provided with two mounting seat guide cylinders (901).

6. The outer ball bearing grinding device according to claim 5, characterized in that, the two mounting seat guide cylinders (901) are respectively movably sleeved with two vertical guide rods (802), and the upper end and the lower end of the grinding push spring (803) are respectively fixedly connected with the lifting push table (8) and the mounting seat guide cylinders (901).

7. The outer ball bearing grinding device according to claim 5, characterized in that, The grinding strip mounting seat (9) is a bracket with a "U" shaped cross section, and a fastening screw rod (902) is screw connected to the front wall of the grinding strip mounting seat (9).

8. The outer spherical bearing grinding device according to claim 7, characterized in that, A bearing grinding strip (10) is mounted on the grinding strip mounting seat (9), the end of the fastening screw rod (902) abuts against the front surface of the bearing grinding strip (10), and the upper surface of the bearing grinding strip (10) is provided with an arc-shaped groove.

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