WO2021114610A1

WO2021114610A1 - Clamping base for bearing machining

Info

Publication number: WO2021114610A1
Application number: PCT/CN2020/098524
Authority: WO
Inventors: 蔡盼
Original assignee: 台州浙盛轴承科技有限公司
Priority date: 2019-12-14
Filing date: 2020-06-28
Publication date: 2021-06-17
Also published as: CN110900496A; CN110900496B

Abstract

A clamping base for bearing machining, comprising: an outer-ring clamping device (20) and an inner-ring clamping device (30). The outer-ring clamping device (20) comprises a pair of outer-ring clamping supporting plates (23). A plurality of outer-ring clamping blocks (24) evenly distributed left and right are formed on the end faces, which are in proximity to each other, of the pair of outer-ring clamping supporting plates (23). The inner-ring clamping device (30) comprises a U-shaped rear supporting base (32) having an upward opening. The rear supporting base (32) is provided on the rear side of a front supporting base (10) and is capable of moving back and forth. A plurality of cylindrical rod-shaped center supporting parts evenly distributed left and right are arranged between a pair of vertical parts of the rear supporting base (32). Each center supporting part comprises a plurality of inner-ring clamping rods (36). When all the inner-ring clamping rods (36) of the same center supporting part get close, an integral cylinder rod is formed. The inner-ring clamping rods (36) are arranged in a radial moving manner taking the rotation center axes of the center supporting parts as axes. A plurality of front through holes (101) evenly distributed left and right are formed on the front supporting base (10) and allow the center supporting parts to penetrate front and back and the inner-ring clamping rods to move. The clamping base is simple in structure, loading of bearings is convenient, and clamping on the inner ring and the outer ring is implemented respectively.

Description

Clamping seat for bearing processing

Technical field

The invention relates to the technical field of bearing processing, in particular to a clamping seat for bearing processing.

Background technique

The fixture is a process device used to quickly fasten the workpiece during processing, so that the machine tool, cutting tool, and workpiece maintain the correct relative position. That is to say, tooling and fixture are indispensable parts of machining. Driven by the development of machine tool technology towards high-speed, high-efficiency, precision, composite, intelligence, and environmental protection, fixture technology is moving towards high-precision, high-efficiency, modular, combined, and economical. In the direction of development, thermal assembly is required in the assembly process of certain bearings. Due to the high temperature during thermal assembly, handling and installation are more troublesome. Special fixtures are required to hold the bearings. The existing fixtures cannot meet the requirements of use. The functionality is weak, the clamping effect is not good, it is inconvenient to adjust, and can not be clamped in large quantities, which increases labor intensity.

At present, the existing bearing processing fixtures are inconvenient to use and are not conducive to popularization.

Summary of the invention

The purpose of the present invention is to provide a clamping seat for bearing processing in view of the technical problem that the existing bearing processing fixture is inconvenient to use.

The technical solution of the present invention to solve the above technical problems is as follows: a clamping seat for bearing processing, including an L-shaped front support seat, an outer ring clamping device, and an inner ring clamping device; the outer ring clamping device includes a pair of vertical Straightly move the outer ring clamping support plate arranged on the front end surface of the vertical part of the front support seat; one outer ring clamping support plate is synchronously approached or set far away; one outer ring clamping support plate is close to the end surface of the shape of several left and right uniforms Distributed outer ring clamping blocks; the lower end surface of the upper outer ring clamping block and the upper end surface of the lower outer ring clamping block are respectively formed with V-shaped outer ring limit ports; inner ring clamping device Including a "凵" shaped rear support seat with an opening facing upwards; the rear support seat is movably arranged on the back side of the front support seat; a number of cylindrical rods evenly distributed on the left and right are arranged between a pair of vertical parts of the rear support seat The front end of the central support part exceeds the rear support seat; the central support part includes several inner ring clamping rods; when all the inner ring clamping rods of the same central support part are close to form a complete cylindrical rod; inner ring clamp The holding rod is arranged to move radially with the rotation center axis of the central support part as the axis; the front support seat is formed with a plurality of evenly distributed front perforations for the central support part to pass back and forth and the inner ring clamping rod to move.

As a preference of the above technical solution, one central support part is composed of three inner ring clamping rods.

As a preference of the above technical solution, one of the inner ring clamping rods moves vertically upwards.

As a preference of the above-mentioned technical solution, a driving plate is set up and down on the front end surface of the vertical part of the rear side of the rear support seat; the rear part of the arc surface of the inner ring clamping rod is formed with a connecting block arranged radially; A cylindrical drive rod is formed on the outer end of the rear end surface; three groups of rear guide groups are formed evenly distributed on the left and right sides on the front end of the drive plate; the rear guide group includes a pair of symmetrical rear guide grooves; a pair of the same rear guide group The rear guide grooves are inclined outwards from top to bottom and the two are at an angle of sixty degrees; the rear end of the driving rod on the upper side of the same central support part is fixed on the driving plate and is located in a pair of rear guide grooves in the same guide group. The rear ends of a pair of driving rods at the intersection of the upper end extension and the lower side are moved and arranged in a pair of rear guide grooves; the vertical part of the front side of the rear support seat is formed with three groups of front guide groups evenly distributed on the left and right sides; the front guide group includes Three radially arranged front guide holes uniformly distributed around the rotation center axis of the central support part; the front part of the driving rod passes through and moves the front guide holes arranged on the corresponding side; when the driving plate is at the lower end, The three driving rods are located at the innermost ends of the three front guide holes of the same front guide group, and a pair of lower driving rods are located at the uppermost ends of a pair of rear guide grooves of the same rear guide group.

As a preference of the above technical solution, a vertical movement groove for the drive plate to move vertically is formed on the front end surface of the vertical part on the rear side of the rear support seat; a pair of left and right symmetrical side walls are formed between the upper and lower side walls of the vertical movement groove. The vertical guide rod is provided; the center of the upper and lower side walls of the vertical movement groove is pivotally connected with a rear drive threaded rod; the center of the lower side wall of the vertical movement groove is fixed with a rear drive motor; the lower end of the rear drive threaded rod and the rear drive The output shaft of the motor is fixedly connected; the drive plate is vertically sleeved on a pair of vertical guide rods and screwed on the rear drive threaded rod.

As a preference of the above technical solution, a pair of front and rear driving cylinders arranged symmetrically are fixed on the horizontal part of the front support seat; the rear support seat is fixed to the rear ends of the piston rods of the pair of front and rear driving cylinders.

As a preference of the above technical solution, a pair of symmetrical vertical driving grooves are formed on the front end surface of the vertical portion of the front support seat; a front driving threaded rod is pivotally connected between the upper and lower side walls of the vertical driving groove; The upper and lower parts of the threaded rod are respectively formed with external threads with opposite directions; the upper end of the front support seat is fixed with a front drive motor; the upper end of the front drive threaded rod is fixedly connected with the output shaft of the front drive motor; the outer ring is clamped and supported A pair of front driving blocks matched with the vertical driving groove is formed on the rear end of the plate; a front driving block on the same side of the outer ring clamping support plate slides vertically in the same vertical driving groove and is screwed to the front driving thread Different external threaded parts of the rod.

As a preference of the above technical solution, the outer ring limiting opening of the outer ring clamping block is at an angle of one hundred and twenty degrees.

The beneficial effects of the present invention are that the structure is simple, the bearing material is convenient to load, and the inner ring and the outer ring can be clamped separately.

Description of the drawings

Fig. 1 is a schematic structural diagram of the front view of the present invention;

Fig. 2 is a schematic diagram of the structure of the present invention in a right view;

3 is a schematic structural diagram of the cross-section A-A in FIG. 2 of the present invention;

Fig. 4 is a schematic structural diagram of the cross-section B-B in Fig. 2 of the present invention.

In the figure, 10, front support seat; 100, vertical drive groove; 101, front perforation; 20, outer ring clamping device; 21, front drive motor; 22, front drive threaded rod; 23, outer ring clamping support plate 24. Outer ring clamping block; 30. Inner ring clamping device; 31. Front and rear drive cylinder; 32. Rear support seat; 320. Front guide hole; 321. Vertical movement groove; 322. Vertical guide rod; 33 , Rear drive motor; 34, rear drive threaded rod; 35, drive plate; 350, rear guide groove; 36, inner ring clamping rod; 361, connecting block; 362, drive rod.

Detailed ways

As shown in Figures 1 to 4, a clamping seat for bearing processing includes an L-shaped front support seat 10, an outer ring clamping device 20, and an inner ring clamping device 30; the outer ring clamping device 20 includes a For the outer ring clamping support plate 23 vertically movable and arranged on the front end surface of the vertical portion of the front support seat 10; one outer ring clamping support plate 23 is synchronously approached or set away; one outer ring clamping support plate 23 is close to A number of outer ring clamping blocks 24 evenly distributed on the left and right are formed on the end surface; the lower end surface of the upper outer ring clamping block 24 and the upper end surface of the lower outer ring clamping block 24 are respectively formed with a V-shaped outer ring Limiting port; the inner ring clamping device 30 includes a "凵" shaped rear support seat 32 with an opening facing upwards; the rear support seat 32 is movably arranged on the rear side of the front support seat 10; a pair of vertical rear support seats 32 A number of cylindrical rod-shaped central support parts evenly distributed on the left and right are arranged between the straight parts; the front end of the central support part extends beyond the rear support seat 32; the central support part includes several inner ring clamping rods 36; The ring clamping rod 36 forms a complete cylindrical rod when it is close; the inner ring clamping rod 36 moves radially with the rotation center axis of the central support part as the axis; the front support seat 10 is formed with a number of evenly distributed left and right central supports. The part passes through the front perforation 101 through which the inner ring clamping rod 36 moves forward and backward.

As shown in FIGS. 1 to 4, a central support portion is composed of three inner ring clamping rods 36.

As shown in Figs. 1 to 4, one of the inner ring clamping rods 36 moves vertically upwards.

As shown in Figures 1 to 4, the front end surface of the vertical portion on the rear side of the rear support seat 32 is lifted and provided with a drive plate 35; the inner ring clamping rod 36 has a radial connection formed on the rear of the arc surface Block 361; the outer end of the rear end of the connecting block 361 is formed with a cylindrical drive rod 362; the front end of the drive plate 35 is formed with three groups of evenly distributed rear guide groups; the rear guide group includes a pair of symmetrical rear guides Groove 350; a pair of rear guide grooves 350 of the same rear guide group are inclined from top to bottom and are arranged at an angle of sixty degrees; the rear end of the drive rod 362 on the upper side of the same central support is fixed on the drive plate 35 At the point where the upper ends of a pair of rear guide grooves 350 on the upper and in the same guide group extend, the rear ends of a pair of driving rods 362 on the lower side move in the pair of rear guide grooves 350; the vertical of the front side of the rear support seat 32 The straight part is formed with three groups of evenly distributed front guide groups; the front guide group includes three radially arranged front guide holes 320 evenly distributed around the rotation center axis of the central support part; the front part of the driving rod 362 passes through And move the front guide hole 320 provided on the corresponding side; when the driving plate 35 is at the lower end, the three driving rods 362 are at the innermost end of the three front guide holes 320 of the same front guide group, and a pair of driving rods on the lower side 362 is at the uppermost end of a pair of rear guide grooves 350 in the same rear guide group.

As shown in Figures 2 and 4, a vertical movement groove 321 for the drive plate 35 to move vertically is formed on the front end surface of the vertical portion on the rear side of the rear support seat 32; A pair of symmetrical vertical guide rods 322 are formed between them; a rear drive threaded rod 34 is pivotally connected between the centers of the upper and lower side walls of the vertical moving groove 321; the center of the lower side wall of the vertical moving groove 321 is fixed with a rear driving motor 33; The lower end of the rear drive threaded rod 34 is fixedly connected to the output shaft of the rear drive motor 33; the drive plate 35 is vertically sleeved on a pair of vertical guide rods 322 and screwed on the rear drive threaded rod 34.

As shown in FIGS. 1 to 3, a pair of front and rear driving cylinders 31 arranged symmetrically are fixed on the horizontal part of the front support base 10; the rear support base 32 is fixed to the rear ends of the piston rods of the pair of front and rear driving cylinders 31.

As shown in FIG. 1, a pair of vertical drive grooves 100 are formed on the front end surface of the vertical portion of the front support base 10, and a front drive threaded rod 22 is pivotally connected between the upper and lower side walls of the vertical drive groove 100. ; The upper and lower parts of the front drive threaded rod 22 are respectively formed with external threads that rotate in opposite directions; a front drive motor 21 is fixed on the upper end of the front support base 10; the upper end of the front drive threaded rod 22 and the output shaft of the front drive motor 21 Fixed connection; a pair of front driving blocks that cooperate with the vertical drive groove 100 is formed on the rear end surface of the outer ring clamping support plate 23; a front driving block on the same side of the outer ring clamping support plate 23 slides vertically in the same vertical In the straight drive groove 100 and screwed to different external threaded parts of the front drive threaded rod 22.

As a preference of the above technical solution, the outer ring limiting opening of the outer ring clamping block 24 is at an angle of one hundred and twenty degrees.

The working principle of the holder for bearing processing;

Initial state: all inner ring clamping rods 36 of the same central support part form a complete cylindrical rod when they are close together, the rear support seat 32 is at the foremost end, and the front end of the central support part passes through the vertical part of the front support seat 10; The ring clamping support plates 23 are the farthest apart;

When the outer ring needs to be clamped, it is only necessary to set the bearing on the front end of the central support part, and then the outer ring clamping support plate 23 is simultaneously approached, and finally the bearing will be limited by the outer ring of the outer ring clamping block 24 corresponding to the upper and lower sides. The position is clamped; finally, the rear support seat 32 moves backward, so that the front end of the central support part is separated from the front support seat 10, which facilitates subsequent processing of the inner ring of the bearing;

When the inner ring needs to be clamped, it is only necessary to set the bearing on the front end of the central support part, and then all the inner ring clamping rods 36 of the same central support part move radially outward simultaneously until the inner ring of the bearing is clamped, which is convenient for subsequent follow-up Processing the outer ring of the bearing;

During the above work, the bearing is easy to load, and the inner ring and outer ring can be clamped separately.

The above content is only the preferred embodiments of the present invention. For those of ordinary skill in the art, according to the ideas of the present invention, there will be changes in the specific implementation and the scope of application. The content of this specification should not be construed as a reference to the present invention. limits.

Claims

A clamping seat for bearing processing, characterized in that it comprises an L-shaped front support seat (10), an outer ring clamping device (20) and an inner ring clamping device (30); an outer ring clamping device (20) ) Includes a pair of outer ring clamping support plates (23) vertically movably arranged on the front end surface of the vertical portion of the front support seat (10); a pair of outer ring clamping support plates (23) are synchronously approached or set away; A number of outer ring clamping blocks (24) evenly distributed on the left and right sides are formed on the end surface close to the outer ring clamping support plate (23); the lower end surface of the upper outer ring clamping block (24) and the lower outer ring are clamped The upper end surface of the block (24) is respectively formed with a V-shaped outer ring limit opening; the inner ring clamping device (30) includes a "凵"-shaped rear support seat (32) with an opening facing upwards; the rear support seat (32) It is arranged on the rear side of the front support seat (10) to move forward and backward; a number of cylindrical rod-shaped central support parts evenly distributed left and right are arranged between a pair of vertical parts of the rear support seat (32); The front end exceeds the rear support seat (32); the central support part includes several inner ring clamping rods (36); when all the inner ring clamping rods (36) of the same central support part are close to form a complete cylindrical rod; inner ring clamp The holding rod (36) moves radially with the rotation center axis of the central support part as the axis; the front support seat (10) is formed with a number of evenly distributed left and right sides for the central support part to pass back and forth and the inner ring holding rod (36) Moving front perforation (101).
The clamping seat for bearing processing according to claim 1, characterized in that: a central support part is composed of three inner ring clamping rods (36).
The clamping seat for bearing processing according to claim 2, wherein one of the inner ring clamping rods (36) moves vertically upwards.
The clamping seat for bearing processing according to claim 3, characterized in that: the front end surface of the vertical part on the rear side of the rear support seat (32) is lifted and provided with a drive plate (35); inner ring clamp A radially arranged connecting block (361) is formed on the rear of the arc surface of the holding rod (36); a cylindrical drive rod (362) is formed on the outer end of the rear end of the connecting block (361); the drive plate (35) There are three groups of rear guide groups evenly distributed on the front end surface; the rear guide group includes a pair of symmetrical rear guide grooves (350); the same rear guide group has a pair of rear guide grooves (350) from top to bottom outwards The rear end of the driving rod (362) on the upper side of the same central support part is fixed on the driving plate (35) and is located in the same guide group with a pair of rear guide grooves (350). The rear end movement of the pair of driving rods (362) on the lower side at the intersection of the upper end extension is arranged in a pair of rear guide grooves (350); the vertical part of the front side of the rear support seat (32) is formed with three groups of uniformly distributed left and right The front guide group; the front guide group includes three radially arranged front guide holes (320) evenly distributed around the rotation center axis of the central support part; the front part of the driving rod (362) passes through and moves and is arranged in The front guide hole (320) on the corresponding side; when the drive plate (35) is at the lower end, the three drive rods (362) are at the innermost end and the lower side of the three front guide holes (320) of the same front guide group A pair of driving rods (362) are located at the uppermost ends of a pair of rear guide grooves (350) of the same rear guide group.
The clamping seat for bearing processing according to claim 4, characterized in that: the front end surface of the vertical part of the rear side of the rear support seat (32) is formed with a drive plate (35) for vertical movement Vertical moving groove (321); a pair of symmetrical vertical guide rods (322) are formed between the upper and lower side walls of the vertical moving groove (321); between the centers of the upper and lower side walls of the vertical moving groove (321) A rear drive screw rod (34) is pivotally connected; the center of the lower side wall of the vertical movement groove (321) is fixed with a rear drive motor (33); the lower end of the rear drive screw rod (34) and the output of the rear drive motor (33) The shaft is fixedly connected; the driving plate (35) is vertically sleeved on a pair of vertical guide rods (322) and screwed on the rear driving threaded rod (34).
The clamping seat for bearing processing according to claim 1, wherein a pair of front and rear driving cylinders (31) arranged symmetrically are fixed on the horizontal part of the front support seat (10); the rear support seat (32) ) Is fixed at the rear end of the piston rod of a pair of front and rear driving cylinders (31).
The clamping seat for bearing processing according to claim 1, wherein a pair of vertical driving grooves (100) are formed symmetrically on the front end surface of the vertical part of the front support seat (10); A front driving threaded rod (22) is pivotally connected between the upper and lower side walls of the vertical driving groove (100); the upper and lower parts of the front driving threaded rod (22) are respectively formed with external threads with opposite rotation directions; the front support seat (10) The front drive motor (21) is fixed on the upper end surface of the ); the upper end of the front drive threaded rod (22) is fixedly connected with the output shaft of the front drive motor (21); the outer ring clamping support plate (23) is formed on the rear end surface There is a pair of front driving blocks matched with the vertical driving groove (100); a front driving block on the same side of the outer ring clamping support plate (23) slides vertically in the same vertical driving groove (100) and is screwed in Different external thread parts of the front drive threaded rod (22).
The clamping seat for bearing processing according to claim 1, wherein the outer ring limit opening of the outer ring clamping block (24) is at an angle of 120 degrees.