CN113976930B

CN113976930B - Self-centering inclusion inner diameter clamp

Info

Publication number: CN113976930B
Application number: CN202111516769.5A
Authority: CN
Inventors: 张果; 刘李
Original assignee: Chengdu Tianma Precision Machinery Co ltd
Current assignee: Chengdu Tianma Precision Machinery Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-26
Anticipated expiration: 2041-12-13
Also published as: CN113976930A

Abstract

The application relates to a self-centering inclusion inner diameter clamp, and belongs to the technical field of bearing processing. Including the base, it removes the seat to slide to be provided with on the base, it sets up two to remove the seat along the circumference at least interval of base, be provided with the installation piece on the removal seat, it is provided with the clamp splice that is used for with the bearing ring butt to rotate on the installation piece, be provided with on the base and be used for ordering about the gliding driving piece of removal seat. During operation, the bearing ring to be processed is placed on the base, then the movable base is driven to move towards the direction close to the bearing ring through the driving piece until the clamping block abuts against the inner side wall of the bearing ring tightly, the clamping block is rotatably connected with the mounting block, the mounting block is further enabled to apply clamping force to the bearing ring through the clamping block along the radial direction of the bearing ring, the bearing ring is more uniformly stressed, the bearing ring is prevented from being deformed due to the action force in other directions, and the processing quality is effectively improved.

Description

Self-centering inclusion inner diameter clamp

Technical Field

The application relates to the technical field of bearing processing, in particular to a self-centering inner diameter inclusion clamp.

Background

The bearing is an important part in the mechanical industry, and the precision of the bearing directly influences the working condition of equipment, so that the quality and the service life of the equipment are directly influenced. The bearing ring comprises an inner ring and an outer ring, and when the bearing ring is turned, the bearing ring needs to be clamped by a clamp so as to ensure the position of the bearing ring to be fixed.

Chinese patent application publication No. CN110539193A discloses a novel special fixture structure for cutting bearing outer race, this anchor clamps include the spanner, the anchor clamps body, distribute and be provided with the spanner hole on the anchor clamps body, a clamping structure jack catch for pressing from both sides tight work piece, clamping mechanism cooperates with the anchor clamps body through the spout that sets up on it, the tooth of pressing from both sides tight structure lower part cooperates with the recess of the inside big bevel gear of anchor clamps, the rotation through the big bevel gear of spanner control advances and retreats of tight structure of control clamp, thereby can realize pressing from both sides tightly the clamp to the work piece.

However, in actual operation, the clamping force applied to the bearing ring by the clamping structure jaws is difficult to ensure along the radial direction of the bearing ring, so that the bearing ring is easy to deform, and the processing quality of the bearing ring is influenced.

Disclosure of Invention

In order to improve processingquality, this application provides a from core inclusion internal diameter anchor clamps.

The application provides a from core inclusion internal diameter anchor clamps adopts following technical scheme:

the utility model provides a from core inclusion internal diameter anchor clamps, includes the base, it removes the seat to slide on the base to be provided with, it sets up two along the circumference at least interval of base to remove the seat, it is provided with the installation piece to remove on the seat, it is provided with the clamp splice that is used for with the bearing ring butt to rotate on the installation piece, be provided with on the base and be used for ordering about and remove the gliding driving piece of seat.

Through adopting above-mentioned technical scheme, the during operation, the bearing ring that will treat processing is placed on the base, then orders about through the driving piece and removes the direction motion of seat to being close to the bearing ring, until the clamp splice supports tightly with the inside wall of bearing ring, because of the clamp splice rotates with the installation piece to be connected, and then make the installation piece exert the clamping-force for the bearing ring through the clamp splice along the radial direction of bearing ring, the bearing ring atress is more even, prevent that the bearing ring from receiving the effort of other directions and warping, improve processingquality effectively.

Preferably: the mounting block is far away from the lateral wall that removes the seat and has seted up the mounting groove, the vertical inserted bar that is provided with in the mounting groove, the clamp splice sets up in the mounting groove and rotates with the inserted bar to be connected, be provided with the clearance between the diapire of clamp splice and mounting groove.

Through adopting above-mentioned technical scheme, clearance between the diapire of clamp splice and mounting groove to make the clamp splice can rotate certain angle, make the bearing ring atress more even, and along the radial atress of bearing ring, improve processingquality.

Preferably, the following components: every it all is provided with two installation pieces to move the seat on setting up, the lateral wall that the clamp splice kept away from and moves the seat is provided with the arcwall face, arcwall face and bearing ring looks adaptation.

By adopting the technical scheme, two mounting blocks are arranged on each moving seat, so that the number of the mounting blocks and the clamping blocks is effectively increased, the number of stress points of the bearing ring is increased, the stress distribution of the bearing ring is more uniform, and the processing quality is improved; the arc-shaped surface is attached to the bearing ring, so that the bearing ring is in surface contact with the clamping block, the pressure on the bearing ring is reduced, and the deformation of the bearing ring is effectively reduced.

Preferably: the arc-shaped surface is provided with a groove.

By adopting the technical scheme, the arc-shaped surface is divided into two sections by the groove, so that the stress points of the bearing ring are increased, the bearing ring is stressed more uniformly, and the processing quality is improved; meanwhile, if the bearing ring has the defects of protrusion or depression and the like, the arrangement of the groove can play a role in yielding the defect position of the bearing ring, so that the defect position is located in the groove, the defect position is prevented from contacting with the arc-shaped surface, the stress of the bearing ring is more uniform and stable, and the processing quality is effectively improved.

Preferably: the insert rod is detachably connected with the clamping block, a guide rail is fixedly arranged on the base along the radial direction of the bearing ring, a sliding block is arranged on the guide rail in a sliding mode along the length direction of the guide rail, the sliding block is fixedly connected with the mounting block, and the mounting block is arranged on the movable seat in a sliding mode along the direction perpendicular to the guide rail.

By adopting the technical scheme, if bearing rings with different diameters are to be processed, the inserted link is dismounted, the clamping block matched with the bearing rings is replaced, and then the inserted link is mounted; when the movable seat slides, the sliding block slides along the guide rail, the mounting blocks slide along the movable seat along the direction vertical to the guide rail, and when the movable seat slides towards the base, the two mounting blocks on the same movable seat move towards the direction close to each other; for bearing rings with different diameters, the force application positions of the clamping blocks on the bearing rings can be changed in a matching mode, so that the bearing rings are evenly stressed and distributed, and the processing quality is improved.

Preferably: the strip-shaped hole is formed in the moving seat along the direction perpendicular to the guide rail, a penetrating rod penetrates through the strip-shaped hole in a sliding mode, one end of the penetrating rod is connected with the mounting block, and the mounting block is attached to the side wall of the moving seat.

Through adopting above-mentioned technical scheme, at the gliding in-process of removal seat, wear the pole and slide along strip shape hole, the installation piece is laminated with the lateral wall that removes the seat for the installation piece receives the effort that removes the seat more steady.

Preferably: wear the pole and keep away from the fixed spacing platform that is provided with of one end of installation piece, spacing platform and removal seat keep away from the lateral wall butt of installation piece.

Through adopting above-mentioned technical scheme, spacing platform with remove the seat butt, remove the seat and drive the motion of wearing the pole through spacing platform at the in-process that removes the seat and move outward to the realization drives the purpose that the installation piece outwards moved.

Preferably: the bearing ring is arranged on the base, a sliding groove is formed in the base along the radial direction of the bearing ring, a sliding block is arranged in the sliding groove in a sliding mode, a clamping groove is formed in the top wall of the sliding block, a fixing block is arranged on the bottom wall of the moving seat, clamping teeth are arranged on the bottom wall of the fixing block, and the clamping teeth are clamped with the clamping groove.

Through adopting above-mentioned technical scheme, draw-in groove and fixture block cooperation realize the purpose that the sliding block drove the fixed block motion, and fixed block and sliding block separation, the installation of being convenient for and dismantlement remove the seat.

Preferably: the guide way has been seted up to the roof of fixed block, the guide way is parallel with the spout, the diapire of removing the seat is fixed to be provided with the guide block, the guide block slides with the guide way and is connected, be provided with in the guide way and be used for driving about the guide block to being close to the elastic component of bearing ring motion.

Through adopting above-mentioned technical scheme, when processing bearing ring, the drive removes the seat and moves to the base internalization, and when fixture block and bearing ring butt, the elastic component played the effect of buffering for the pressure that the bearing ring received is more steady, reduces the damage to the bearing ring.

Preferably: the guide way runs through the lateral wall of keeping away from the clamp splice to the fixed block, the fixed baffle that is provided with of lateral wall that the clamp splice was kept away from to the fixed block, the fixed pressure sensor that is provided with on the baffle, it is provided with the butt piece to slide in the guide way, the elastic component is the pressure spring, the one end and the guide block butt of pressure spring, the other end and butt piece butt, pressure sensor's probe is contradicted with the butt piece.

By adopting the technical scheme, the pressure sensor can accurately monitor the pressure applied to the bearing ring, so that the processing quality is prevented from being influenced by the overlarge stress of the bearing ring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the bearing ring machining device works, a bearing ring to be machined is placed on the base, then the movable seat is driven to move towards the direction close to the bearing ring through the driving piece until the clamping block abuts against the inner side wall of the bearing ring, and the clamping block is rotatably connected with the mounting block, so that the mounting block applies clamping force to the bearing ring through the clamping block along the radial direction of the bearing ring, the bearing ring is stressed more uniformly, the bearing ring is prevented from being deformed by acting forces in other directions, and the machining quality is effectively improved;

2. the arc-shaped surface is divided into two sections by the groove, so that the stress points of the bearing ring are increased, the bearing ring is stressed more uniformly, and the processing quality is improved; meanwhile, if the bearing ring has the defects of protrusion or depression and the like, the arrangement of the groove can give up the defect position of the bearing ring, so that the defect position is positioned in the groove, the defect position is prevented from contacting with the arc-shaped surface, the bearing ring is stressed more uniformly and stably, and the processing quality is effectively improved;

3. if bearing rings with different diameters are to be machined, the insert rod is detached, the clamping block matched with the bearing rings is replaced, and then the insert rod is installed; when the movable seat slides, the sliding block slides along the guide rail, the mounting blocks slide along the movable seat along the direction vertical to the guide rail, and when the movable seat slides towards the base, the two mounting blocks on the same movable seat move towards the direction close to each other; for bearing rings with different diameters, the force application position of the clamping block to the bearing ring can be changed in a corresponding mode, so that the bearing ring is uniform in stress distribution, and the processing quality is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an exploded view of an embodiment of the present application, which mainly shows the structure of the movable base, the clamping blocks and the guide rails;

fig. 3 is an exploded view of an embodiment of the present application, which mainly shows structures of a fixed block, a pressure spring, and a pressure sensor.

Description of reference numerals: 1. a base; 11. a drive member; 12. a guide rail; 121. a slider; 1211. a guide block; 122. mounting holes; 1221. a connecting bolt; 123. a guide groove; 13. a chute; 131. a slider; 1311. a card slot; 14. a first T-shaped slot; 141. a first T-shaped block; 2. a movable seat; 21. a strip-shaped hole; 211. penetrating a rod; 2111. a limiting table; 22. a guide block; 3. mounting blocks; 31. mounting grooves; 32. inserting a rod; 321. a boss; 4. a clamping block; 41. an arc-shaped surface; 42. a groove; 5. a fixed block; 51. clamping teeth; 52. a guide groove; 521. abutting the sheet; 522. a pressure spring; 53. a baffle plate; 531. a pressure sensor; 532. and connecting screws.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses from core inclusion internal diameter anchor clamps.

Referring to fig. 1, a from core inclusion internal diameter anchor clamps, includes base 1, and base 1 is circular structure, and base 1 goes up to slide and is provided with and removes seat 2, removes seat 2 and sets up two along the circumference interval of base 1 at least, removes seat 2 in this embodiment and sets up threely, and along the even interval distribution of circumference of base 1.

Referring to fig. 2, the movable base 2 is provided with a mounting block 3, each movable base 2 is provided with two mounting blocks 3, and the mounting blocks 3 are rotatably provided with clamping blocks 4 for abutting against the bearing rings. Mounting block 3 has been kept away from the lateral wall that removes seat 2 and has been seted up mounting groove 31, and the vertical inserted bar 32 that is provided with in mounting groove 31, the jack that runs through to mounting groove 31 is seted up to the roof of mounting block 3. The top of inserted bar 32 is fixed and is provided with boss 321, and the diameter of boss 321 is greater than the diameter of jack, and boss 321 contradicts with the roof of installation piece 3.

Referring to fig. 2, a through hole is formed in the middle of the clamping block 4 along the vertical direction, and the insertion rod 32 penetrates through the insertion hole and extends into the through hole. When the clamping block 4 needs to be disassembled and replaced, the insertion rod 32 only needs to be pulled out upwards. Be provided with the clearance between the diapire of clamp splice 4 and mounting groove 31 to make clamp splice 4 can rotate certain angle, make the bearing ring atress more even, and along the radial atress of bearing ring, improve processingquality.

Referring to fig. 2, the side wall of the clamping block 4 away from the moving seat 2 is provided with an arc surface 41, the arc surface 41 is an arc surface adapted to the bearing ring, and the arc surface 41 is attached to the side wall of the bearing ring near the center thereof. In the process of extrusion force application, the bearing ring can be hooped into a circular shape, and the quality of the bearing ring is further improved. The arc surface 41 is provided with a groove 42, the groove 42 divides the arc surface 41 into two sections, and the two sections of the arc surfaces 41 have the same length.

The arc-shaped surface 41 is divided into two sections by the groove 42, so that stress points of the bearing ring are increased, the bearing ring is stressed more uniformly, and the processing quality is improved; meanwhile, if the bearing ring has the defects of protrusion or depression and the like, the arrangement of the groove 42 can play a role in yielding the defect position of the bearing ring, so that the defect position is located in the groove 42, the defect position is prevented from contacting the arc-shaped surface 41, the stress of the bearing ring is more uniform and stable, and the processing quality is effectively improved.

Referring to fig. 1 and 2, a guide rail 12 is fixedly arranged on the base 1 along the radial direction of the base 1, a first T-shaped groove 14 is formed in the base 1 and located right below the guide rail 12, and the first T-shaped groove 14 is parallel to the guide rail 12. The mounting hole 122 penetrating through the guide rail 12 is formed in the guide rail 12 along the vertical direction, the mounting hole 122 is a counter bore, a first T-shaped block 141 matched with the first T-shaped groove 14 is arranged in the first T-shaped groove 14, a connecting bolt 1221 is arranged in the mounting hole 122 in a penetrating mode, and the connecting bolt 1221 is in threaded connection with the first T-shaped block 141.

Referring to fig. 1 and 2, a guide groove 123 is formed in a side wall of the guide rail 12 along a length direction of the guide rail 12, a slider 121 is slidably disposed on the guide rail 12 along the length direction of the guide rail 12, a guide block 1211 slidably connected with the guide groove 123 is fixedly disposed on the slider 121, and the guide block 1211 is matched with the guide groove 123 to prevent the slider 121 from being separated from the guide rail 12 along a vertical direction. Wherein, slider 121 and installation piece 3 fixed connection, and slider 121 and installation piece 3 pass through bolted connection.

Referring to fig. 2 and 3, the mounting block 3 is slidably disposed on the movable base 2 along a direction perpendicular to the guide rail 12, the movable base 2 has a strip-shaped hole 21 along the direction perpendicular to the guide rail 12, a through-rod 211 is slidably disposed in the strip-shaped hole 21, and one end of the through-rod 211 is in threaded connection with the mounting block 3. The installation piece 3 is laminated with the lateral wall that removes seat 2, and the lateral wall that removes seat 2 and installation piece 3 and be close to each other is the plane for installation piece 3 receives the effort that removes seat 2 more steady.

If bearing rings with different diameters are to be machined, the insert rod 32 is detached, the clamping block 4 matched with the bearing rings is replaced, and then the insert rod 32 is installed. In the sliding process of the moving base 2, the sliding block 121 slides along the guide rail 12, meanwhile, the mounting blocks 3 slide along the moving base 2 in the direction perpendicular to the guide rail 12, and when the moving base 2 slides into the base 1, the two mounting blocks 3 on the same moving base 2 move in the direction of approaching each other; for bearing rings with different diameters, the force application position of the clamping block 4 on the bearing ring can be changed in a matching manner, so that the bearing ring is uniformly stressed and distributed, and the processing quality is improved.

Referring to fig. 3, a limiting table 2111 is fixedly disposed at one end of the penetrating rod 211, which is far away from the mounting block 3, and the limiting table 2111 abuts against a side wall of the moving seat 2, which is far away from the mounting block 3. In the process that the movable seat 2 moves outwards towards the base 1, the movable seat 2 drives the penetrating rod 211 to move through the limiting table 2111, so that the purpose of driving the mounting block 3 to move outwards is achieved. The side wall of the movable seat 2 far away from the installation block 3 is set to be a plane attached to the limit table 2111, and the plane is perpendicular to the length direction of the guide rail 12. The limiting table 2111 is attached to the plane, and the through rod 211 is stressed more stably in the process of outward movement of the moving seat 2.

Referring to fig. 1 and 3, a sliding groove 13 is radially formed in the base 1 along the base 1, the sliding groove 13 is a second T-shaped groove, a sliding block 131 is slidably arranged in the sliding groove 13, and the sliding block 131 is a second T-shaped block matched with the second T-shaped groove.

Referring to fig. 1, a driving member 11 for driving the movable base 2 to slide is disposed on the base 1, the driving member 11 includes a hydraulic cylinder, the hydraulic cylinder is fixedly disposed on the base 1, and a piston rod of the hydraulic cylinder is fixedly connected to the sliding block 131.

Referring to fig. 2, a clamping groove 1311 is formed in the top wall of the sliding block 131, a fixing block 5 is arranged on the bottom wall of the moving seat 2, a clamping tooth 51 is arranged on the bottom wall of the fixing block 5, and the clamping tooth 51 is clamped with the clamping groove 1311. Draw-in groove 1311 and fixture block cooperation realize the purpose of sliding block 131 drive fixed block 5 motion, and fixed block 5 and sliding block 131 separation, the installation of being convenient for and dismantlement remove seat 2.

Referring to fig. 3, a guide groove 52 is formed in the top wall of the fixed block 5, the guide groove 52 is a dovetail groove, the guide groove 52 is parallel to the sliding groove 13, the guide block 22 is fixedly disposed on the bottom wall of the movable base 2, and the guide block 22 is slidably connected to the guide groove 52.

Referring to fig. 3, the guide groove 52 penetrates through the fixing block 5 and is far away from the side wall of the clamping block 4, a baffle plate 53 is fixedly arranged on the side wall of the fixing block 5 far away from the clamping block 4, a connecting screw 532 penetrates through the baffle plate 53, and the connecting screw 532 is in threaded connection with the fixing block 5. The shutter 53 is fixedly provided with a pressure sensor 531, and the guide groove 52 is slidably provided with an abutting piece 521. The probe of the pressure sensor 531 protrudes into the guide groove 52 through the shutter 53 and interferes with the abutting piece 521. An elastic member for driving the guide block 22 to move towards the bearing ring is arranged in the guide groove 52, the elastic member is a pressure spring 522, one end of the pressure spring 522 is abutted against the guide block 22, and the other end of the pressure spring is abutted against the abutting sheet 521.

The pressure sensor 531 can accurately monitor the pressure applied to the bearing ring, so that the influence of the bearing ring on the processing quality due to overlarge stress is avoided.

The implementation principle of the embodiment of the application is as follows: during operation, the bearing ring to be processed is placed on the base 1, then the hydraulic cylinder drives the moving seat 2 to move towards the direction close to the bearing ring until the clamping block 4 abuts against the inner side wall of the bearing ring, the clamping block 4 is rotatably connected with the mounting block 3, and then the mounting block 3 is enabled to apply the clamping force applied to the bearing ring through the clamping block 4 along the radial direction of the bearing ring, the bearing ring is more uniformly stressed, the bearing ring is prevented from being deformed due to the acting force in other directions, and the processing quality is effectively improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a from core inclusion internal diameter anchor clamps, includes base (1), its characterized in that: the bearing ring sliding device is characterized in that the base (1) is provided with moving seats (2) in a sliding manner, at least two moving seats (2) are arranged at intervals along the circumferential direction of the base (1), the moving seats (2) are provided with mounting blocks (3), the mounting blocks (3) are rotatably provided with clamping blocks (4) which are used for being abutted to bearing rings, and the base (1) is provided with a driving piece (11) which is used for driving the moving seats (2) to slide;

the side wall, far away from the moving seat (2), of the mounting block (3) is provided with a mounting groove (31), an insertion rod (32) is vertically arranged in the mounting groove (31), the clamping block (4) is arranged in the mounting groove (31) and is rotatably connected with the insertion rod (32), and a gap is formed between the clamping block (4) and the bottom wall of the mounting groove (31);

the insert rod (32) is detachably connected with the clamping block (4), a guide rail (12) is fixedly arranged on the base (1) along the radial direction of the bearing ring, a sliding block (121) is arranged on the guide rail (12) in a sliding mode along the length direction of the guide rail (12), the sliding block (121) is fixedly connected with the mounting block (3), and the mounting block (3) is arranged on the movable base (2) in a sliding mode along the direction perpendicular to the guide rail (12).

2. The self-centering inner diameter inclusion clamp of claim 1, wherein: every all be provided with two installation pieces (3) on removing seat (2), the lateral wall that the clamp splice (4) kept away from removing seat (2) is provided with arcwall face (41), arcwall face (41) and bearing ring looks adaptation.

3. The self-centering inner diameter inclusion clamp of claim 2, wherein: the arc-shaped surface (41) is provided with a groove (42).

4. The self-centering inner diameter inclusion clamp of claim 1, wherein: remove seat (2) and seted up bar hole (21) along the direction of perpendicular to guide rail (12), it wears to be equipped with pole (211) to slide in bar hole (21), the one end of pole (211) is connected with installation piece (3), installation piece (3) and the lateral wall laminating that removes seat (2).

5. The self-centering inner diameter inclusion clamp of claim 4, wherein: the one end of wearing pole (211) to keep away from installation piece (3) is fixed to be provided with spacing platform (2111), spacing platform (2111) and removal seat (2) keep away from the lateral wall butt of installation piece (3).

6. The self-centering inner diameter inclusion clamp of claim 1, wherein: base (1) is gone up and has been seted up spout (13) along bearing ring radially, it is provided with sliding block (131) to slide in spout (13), draw-in groove (1311) have been seted up to the roof of sliding block (131), the diapire that removes seat (2) is provided with fixed block (5), the diapire of fixed block (5) is provided with latch (51), latch (51) and draw-in groove (1311) joint.

7. The self-centering inner diameter inclusion clamp of claim 6, wherein: guide way (52) have been seted up to the roof of fixed block (5), guide way (52) are parallel with spout (13), the diapire of removing seat (2) is fixed to be provided with guide block (22), guide block (22) and guide way (52) slide and are connected, be provided with in guide way (52) and be used for driving guide block (22) to being close to the elastic component of bearing ring motion.

8. The self-centering inner diameter inclusion clamp of claim 7, wherein: the utility model discloses a clamp splice structure, including guide way (52), fixed block (5), baffle (53), fixed block (5), fixed pressure sensor (531), guide way (52), the fixed lateral wall that keeps away from clamp splice (4) of fixed block (52) runs through to fixed block (5) and keeps away from the lateral wall of clamp splice (4), the fixed baffle (53) that is provided with, fixed pressure sensor (531) that is provided with in baffle (53), it is provided with butt piece (521) to slide in guide way (52), the elastic component is pressure spring (522), the one end and the guide block (22) butt of pressure spring (522), the other end and butt piece (521) butt, the probe and the butt piece (521) of pressure sensor (531) are contradicted.