CN112025548A - Two-section bearing clamping device - Google Patents

Abstract

The invention discloses a two-section bearing clamping device, which comprises a square columnar clamp seat and a clamping device, wherein the clamp seat is provided with a clamping groove; a plurality of moving grooves which are uniformly distributed on the circumference by taking the vertical central shaft of the clamp seat as a rotating central shaft are formed on the upper end surface of the clamp seat; the clamping device comprises a plurality of movable seats; the movable seats move along the radial direction of the movable grooves on the corresponding sides and all the movable seats move synchronously; the upper end surface of the movable seat is rotatably provided with an extrusion block in a preferred arch shape; all the extrusion blocks are synchronously and rotatably arranged; a movable seat driving device and an extrusion block rotating device are arranged in the clamp seat; the movable seat driving device drives all the movable seats to synchronously move; the extrusion block rotating device drives all the extrusion blocks to synchronously rotate.

Description

A two-stage bearing clamping device

technical field

The invention relates to the technical field of bearing processing, in particular to a two-stage bearing clamping device.

Background technique

The production of bearings needs to go through multiple processes. The precision of the produced bearings will affect the life of the bearings during use. The inner cylindrical surface of the bearing and the rotating shaft are in contact with each other. Therefore, the inner ring of the bearing needs to be polished after rough machining. For smooth and higher-precision bearings, when finishing the inner cylindrical surface of the bearing, it needs to be clamped by the outer cylindrical side, so it needs to be clamped with a clamp. However, the existing bearing clamps can only clamp the bearings of one size and the applicable range is small. Therefore, it is necessary to introduce a quick-adjusting clamping device for bearing production to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a two-stage bearing clamping device in view of the technical problem that the existing bearing clamping device cannot use bearings of various sizes and cannot quickly move up and down the bearing.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a two-stage bearing clamping device, comprising a square column-shaped clamp seat and a clamping device; It is a moving groove evenly distributed on the circumference of the rotation center axis; the clamping device includes a number of moving seats; the moving seats move radially along the moving grooves on the corresponding side and all the moving seats move synchronously; the upper end surface of the moving seat is rotatably provided with an excellent bow All the extruding blocks are set to rotate synchronously; the clamp seat is provided with a moving seat driving device and an extruding block rotating device; the moving seat driving device drives all the moving seats to move synchronously; the extruding block rotating device drives All squeeze blocks rotate synchronously.

As a preferred option of the above technology, the moving base driving device comprises a circular plate-shaped moving driving plate; a cylindrical radial driving rod is formed in the center of the lower end face of the moving base; a radial limit slot matched with the radial drive rod; the lower part of the clamp seat is formed with a cylindrical slot-shaped translation drive slot; the translation drive slot communicates with the radial limit slot; the center of the bottom surface of the translation drive slot is fixed with a translation drive motor; The movable drive plate is located in the translation drive slot and the movable drive plate is fixed on the upper end of the output shaft of the translation drive motor; the rotary drive plate is formed with a number of circular arc-shaped drive arc slots that are evenly distributed around the circumference and matched with the radial drive rod; The rotation center axes of the circular arc groove and the moving driving plate are staggered; the lower end of the radial driving rod is slidably arranged in the driving circular arc groove on the corresponding side.

As a preference of the above technology, radial guide grooves are respectively formed on a pair of side walls of the moving groove parallel to its longitudinal direction; radial guide blocks matched with the radial guide grooves are respectively formed on the end surfaces of the corresponding sides of the moving seat.

As a preference of the above technology, the lower part of the movable seat is formed with a transmission drive slot; the inner and outer side walls of the movable slot are pivotally connected with a radially arranged central drive column; the cross section of the central drive column is cross-shaped; The side walls are respectively formed with avoidance holes for the central drive column to radially pass through and rotate; the bottom surface of the extrusion block is fixed with a cylindrical rotating center column; the rotation center axis of the rotating center column and the extrusion block are collinear; The central column is pivotally connected to the upper side wall of the transmission drive slot; the lower end of the rotating central column is fixed with a driven bevel gear; the driven bevel gear is located at the upper end of the transmission drive slot; the inner side wall of the transmission drive slot is pivotally connected with an outer bevel gear ; The outer bevel gear meshes with the driven bevel gear; the outer bevel gear is radially sleeved on the central drive column and rotates together with the central drive column; the upper part of the fixture seat is formed with a rotary drive slot; the extrusion block rotating device includes a rotary drive motor; the rotary drive motor is fixed at the center of the bottom surface of the rotary drive slot; the upper end of the output shaft of the rotary drive motor is fixed with a central bevel gear; the inner end of the central drive column is located in the rotary drive slot and is fixed with a driving bevel gear; all driving bevel gears Both mesh with the central bevel gear.

As a preference of the above technology, the number of movable seats is eight.

As a preference of the above technology, a damping layer is provided on the outer surface of the extrusion block.

The beneficial effects of the invention are: simple structure, suitable for bearings of different sizes, and favorable for rapid loading and unloading of bearings during batch processing.

Description of drawings

Fig. 1 is the top view structure schematic diagram of the present invention;

Fig. 2 is the structural representation of the cross section of A-A in Fig. 1 of the present invention;

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

In the figure, 10, fixture seat; 100, moving slot; 101, radial guide slot; 102, radial limit slot; 103, translation drive slot; 104, rotation drive slot; 20, clamping device; 21, translation drive Motor; 22, mobile drive plate; 220, drive arc slot; 23, movable seat; 230, transmission drive slot; 231, radial drive rod; 24, extrusion block; 241, rotating center column; 242, damping layer; 25, driven bevel gear; 26, rotary drive motor; 261, central bevel gear; 27, outer bevel gear; 28, central drive column; 281, driving bevel gear.

Detailed ways

As shown in FIGS. 1 to 3 , a two-stage bearing clamping device includes a square column-shaped clamp seat 10 and a clamping device 20 ; the upper end surface of the clamp seat 10 is formed with a plurality of vertical The central axis is a moving groove 100 evenly distributed around the circumference of the central axis of rotation; the clamping device 20 includes several moving seats 23; A bow-shaped extrusion block 24 is rotatably arranged on the upper end surface of the clamp; all the extrusion blocks 24 are synchronously rotated and arranged; The moving base 23 moves synchronously; the pressing block rotating device drives all the pressing blocks 24 to rotate synchronously.

As shown in FIGS. 1 to 3 , the moving base driving device includes a circular plate-shaped moving driving plate 22 ; a cylindrical radial driving rod 231 is formed at the center of the lower end surface of the moving base 23 ; The radial limit groove 102 which is arranged radially up and down and cooperates with the radial drive rod 231; the lower part of the clamp seat 10 is formed with a cylindrical groove-shaped translation drive groove 103; the translation drive groove 103 communicates with the radial limit groove 102 The center of the bottom surface of the translation drive slot 103 is fixed with a translation drive motor 21; the mobile drive plate 22 is located in the translation drive slot 103 and the movable drive plate 22 is fixed on the upper end of the output shaft of the translation drive motor 21; The evenly distributed arc-shaped driving arc grooves 220 matched with the radial driving rods 231; the rotation center axes of the driving circular arc grooves 220 and the moving driving plate 22 are staggered; the lower ends of the radial driving rods 231 are slidingly arranged on the corresponding inside the drive arc groove 220 on the side.

As shown in FIG. 2 , radial guide grooves 101 are respectively formed on a pair of side walls of the moving groove 100 parallel to its length direction; radial guide grooves 101 are respectively formed on the end surfaces of the corresponding sides of the moving seat 23 to match the radial guide grooves 101 piece.

As shown in FIG. 1 and FIG. 2 , a transmission drive slot 230 is formed on the lower part of the movable seat 23 ; a radially arranged central drive column 28 is pivotally connected between the inner and outer side walls of the movable slot 100 ; the cross section of the central drive column 28 is Cross-shaped; the left and right side walls of the transmission drive slot 230 are respectively formed with avoidance holes for the center drive column 28 to radially pass through and rotate; the bottom surface of the extrusion block 24 is fixed with a cylindrical rotating center column 241; The rotation center axes of the two extrusion blocks 24 are collinear; the rotation center column 241 is pivotally connected to the upper side wall of the transmission drive slot 230; the lower end of the rotation center column 241 is fixed with a driven bevel gear 25; the driven bevel gear 25 is located in The upper end of the transmission drive slot 230; the inner side wall of the transmission drive slot 230 is pivotally connected with an outer bevel gear 27; the outer bevel gear 27 meshes with the driven bevel gear 25; the outer bevel gear 27 is radially sleeved on the central drive column 28 and It rotates together with the central driving column 28; the upper part of the clamp base 10 is formed with a rotary driving slot 104; the extruding block rotating device includes a rotary driving motor 26; The upper end of the output shaft is fixed with a central bevel gear 261; the inner end of the central drive column 28 is located in the rotary drive slot 104 and is fixed with a driving bevel gear 281; all the driving bevel gears 281 are meshed with the central bevel gear 261.

As shown in FIGS. 1 to 3 , the number of movable bases 23 is eight.

As shown in FIG. 1 , a damping layer 242 is provided on the outer surface of the extrusion block 24 .

The working principle of the two-stage bearing clamping device;

In the initial state, all the movable seats 23 are at the outermost end, and the arc surface of the extrusion block 24 is arranged inward;

When working, the bearing is placed in the center of the upper end face of the fixture seat 10; then all the movable seats 23 move radially inward synchronously, so that the arc surface of the extrusion block 24 abuts against the outer cylindrical surface of the bearing, so that the inner surface of the bearing can be pressed against the inner surface of the bearing. Grinding is carried out; and often one size of bearings needs to be processed in batches, so it is only necessary to rotate all the extrusion blocks 24 synchronously until the side plane of the extrusion blocks 24 is inward, so that the bearing can be easily taken out, and then put in a new one Bearing, and then rotate all the extrusion blocks 24 synchronously, so that the arc of the extrusion blocks 24 faces inward, so that the new bearing is clamped, which is convenient for grinding the inner surface of the bearing; this is suitable for bearings of different sizes, and at the same time It is conducive to the rapid loading and unloading of bearings during batch processing.

The above content is only the preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there are changes in the specific embodiment and application scope. limit.

Claims (6)

1. A two-stage bearing clamping device is characterized in that: it comprises a square cylindrical clamp seat (10) and a clamping device (20); the upper end face of the clamp seat (10) is formed with several clamp seats ( 10) The vertical central axis is a moving groove (100) evenly distributed on the circumference of the rotating central axis; the clamping device (20) includes a plurality of moving seats (23); the moving seats (23) are along the moving grooves (100) on the corresponding sides Move radially and all the movable seats (23) move synchronously; the upper end face of the movable seat (23) is rotatably provided with a bow-shaped extrusion block (24); all the extrusion blocks (24) are arranged in a synchronous rotation; A moving seat driving device and an extruding block rotating device are arranged in the clamp seat (10); the moving seat driving device drives all the moving seats (23) to move synchronously; the extruding block rotating device drives all the extruding blocks (24) to rotate synchronously . 2. A two-stage bearing clamping device according to claim 1, characterized in that: the moving seat driving device comprises a circular plate-shaped moving driving plate (22); the center of the lower end surface of the moving seat (23) A cylindrical radial driving rod (231) is formed; the bottom surface of the moving groove (100) is formed with a radial limiting groove (102) which is arranged radially through and is arranged up and down and cooperates with the radial driving rod (231); a clamp The lower part of the seat (10) is formed with a cylindrical slot-shaped translation drive slot (103); the translation drive slot (103) is communicated with the radial limit slot (102); the translation drive motor is fixed at the center of the bottom surface of the translation drive slot (103) (21); the mobile drive plate (22) is located in the translation drive slot (103) and the mobile drive plate (22) is fixed on the upper end of the output shaft of the translation drive motor (21); the rotary drive plate (22) is formed with a number of uniform circumferences Distributed arc-shaped drive arc grooves (220) matched with the radial drive rod (231); the rotation center axes of the drive arc groove (220) and the moving drive plate (22) are staggered; the radial drive rod The lower end of (231) is slidably arranged in the drive arc groove (220) on the corresponding side. 3. A two-stage bearing clamping device according to claim 1 or 2, wherein a pair of side walls of the moving groove (100) parallel to its longitudinal direction are respectively formed with radial guide grooves (101) ); the end surfaces of the corresponding sides of the movable seat (23) are respectively formed with radial guide blocks matched with the radial guide grooves (101). 4. A two-stage bearing clamping device according to claim 1, characterized in that: the lower part of the movable seat (23) is formed with a transmission drive groove (230); A radially arranged central drive column (28) is pivotally connected between them; the cross section of the central drive column (28) is cross-shaped; The avoidance hole that passes through and rotates; the bottom surface of the extrusion block (24) is fixed with a cylindrical rotation center column (241); the rotation center axis of the rotation center column (241) and the extrusion block (24) are collinear; The rotation center column (241) is pivotally connected to the upper side wall of the transmission drive slot (230); the lower end of the rotation center column (241) is fixed with a driven bevel gear (25); the driven bevel gear (25) is located in the transmission drive slot The upper end of (230); the inner side wall of the transmission drive slot (230) is pivotally connected with an outer bevel gear (27); the outer bevel gear (27) meshes with the driven bevel gear (25); the outer bevel gear (27) radially It is sleeved on the central driving column (28) and rotates together with the central driving column (28); the upper part of the clamp seat (10) is formed with a rotary driving groove (104); the extrusion block rotating device includes a rotary driving motor (26) ; The rotary drive motor (26) is fixed at the center of the bottom surface of the rotary drive slot (104); the upper end of the output shaft of the rotary drive motor (26) is fixed with a central bevel gear (261); the inner end of the central drive column (28) is located in the rotary drive Drive bevel gears (281) are fixed in the grooves (104); all drive bevel gears (281) mesh with the central bevel gear (261). 5 . The two-stage bearing clamping device according to claim 1 , wherein the number of movable seats ( 23 ) is eight. 6 . 6 . The two-stage bearing clamping device according to claim 1 , wherein a damping layer ( 242 ) is provided on the outer surface of the extrusion block ( 24 ). 7 .

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