CN220783708U - Quick positioning and clamping device - Google Patents

Abstract

The utility model discloses a rapid positioning and clamping device, which comprises a bottom plate, wherein a switch is fixedly arranged on one side of the top of the bottom plate, four corners of the top of the bottom plate are fixedly connected with the lower ends of four fixing columns respectively, the tops of the four fixing columns are fixedly connected with four corners of the bottom of a supporting plate, and a synchronous transmission mechanism and a clamping mechanism are arranged on the bottom plate and the supporting plate; the synchronous transmission mechanism comprises a fixed plate, a gear, a supporting frame, a worm wheel, a toothed ring, a motor, a worm and a bearing seat, wherein the worm wheel is rotationally arranged in the middle of the top of the bottom plate, the quick positioning and clamping device enables one positioning and clamping device to simultaneously meet the clamping and positioning of the inner ring and the outer ring of the bearing steel ring, the bearing processing and the use are convenient, the transmission of the worm wheel, the worm, the toothed ring, the gear and the screw is high in transmission efficiency, the bearing steel ring can be rapidly positioned and clamped, and the positioning and clamping efficiency of the bearing steel ring is improved.

Description

Quick positioning and clamping device

Technical Field

The utility model relates to the technical field of machining, in particular to a rapid positioning and clamping device.

Background

The positioning and clamping device is used for fixing or clamping a workpiece in a mechanical device, the bearing steel ring is usually required to be positioned and clamped in the bearing machining process, a pneumatic clamp is usually adopted at present when the bearing is positioned and clamped, but the operation speed of the pneumatic clamp is limited by air pressure and air flow, high-speed movement cannot be realized, the positioning and clamping efficiency of the bearing steel ring is low, the pneumatic clamp is a one-way clamp, the clamping can only be carried out from the outside or the inside of the steel ring, the universality of the pneumatic clamp is poor, and the clamping and positioning of the inner ring and the outer ring of the steel ring are not applicable.

Disclosure of utility model

In view of the problems existing in the prior art, the utility model discloses a rapid positioning and clamping device, which adopts the technical scheme that the rapid positioning and clamping device comprises a bottom plate, wherein a switch is fixedly arranged on one side of the top of the bottom plate, four corners of the top of the bottom plate are fixedly connected with the lower ends of four fixing columns respectively, the tops of the four fixing columns are fixedly connected with four corners of the bottom of a supporting plate, and a synchronous transmission mechanism and a clamping mechanism are arranged on the bottom plate and the supporting plate;

The synchronous transmission mechanism comprises fixing plates, gears, supporting frames, worm gears, toothed rings, motors, worms and bearing seats, wherein the worm gears are rotatably arranged in the middle of the top of a bottom plate, the top of each worm gear is fixedly provided with a cross-shaped supporting frame, the tops of the outer sides of the supporting frames are fixedly connected with the bottoms of the toothed rings, the four fixing plates are fixedly arranged at the bottoms of the supporting plates at equal angles, the sides of the lower ends of the four fixing plates are rotatably provided with the gears, the bearing seats are provided with two bearing seats which are fixedly arranged on one side of the tops of the bottom plate, the middle of the opposite sides of the two bearing seats is rotatably connected with the two ends of the worms, the worms are meshed with the worm gears, one side of each bearing seat is fixedly provided with the motors, and an output shaft of each motor penetrates through a through hole in each bearing seat to be fixedly connected with one end of each worm, and each motor is electrically connected with a switch; the clamping mechanism comprises fixing blocks, guide grooves, clamping blocks, moving plates and screws, wherein the fixing blocks are fixedly arranged in the middle of the bottom of a supporting plate, the four guide grooves are formed in the tops of the supporting plate, the four guide grooves are formed in equal angles, the screws are four, one ends of the screws are fixedly connected with the middle of the end faces of four gears respectively, the other ends of the screws are rotatably connected with the middle of the four sides of the fixing blocks respectively, one ends of the screws penetrate through screw holes of the lower end sides of the four moving plates respectively, the upper ends of the moving plates are fixedly connected with the bottoms of the four arc-shaped clamping blocks respectively, and the upper ends of the moving plates are located in the four guide grooves respectively.

As a preferable technical scheme of the utility model, rubber pads are fixedly arranged on two cambered surfaces of the clamping block.

As a preferable technical scheme of the utility model, fixing holes are formed at four corners of the top of the bottom plate.

As a preferable technical scheme of the utility model, four supporting rods are fixedly arranged at the top of the bottom plate, and steel balls are rotatably arranged in grooves at the tops of the four supporting rods.

As a preferable technical scheme of the utility model, the bottom of the toothed ring is provided with a supporting groove matched with the four steel balls, and the supporting groove is annular.

The utility model has the beneficial effects that: according to the utility model, the worm is driven by the motor to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the support frame and the toothed ring to rotate, the toothed ring simultaneously drives the four gears to rotate, the four gears simultaneously drive the four screws to simultaneously drive the four moving plates to move, the four moving plates simultaneously drive the four clamping blocks to simultaneously move outwards or inwards, the four clamping blocks clamp and position the bearing steel ring from inside or outside, a positioning and clamping device can simultaneously meet the clamping and positioning of the inner ring and the outer ring of the bearing steel ring, the bearing processing and the use are facilitated, the worm wheel, the worm, the toothed ring, the gears and the screws are adopted to drive, the bearing steel ring can rapidly finish positioning and clamping, the efficiency of positioning and clamping of the bearing steel ring is improved, the friction force of the clamping blocks can be improved through the rubber pad, the stability of the bearing steel ring after clamping can be improved, the bottom plate can be conveniently fixed at the position of the bearing processing, the bearing processing is improved, the stability is improved when the bearing steel ring is used, the supporting rod and the supporting groove are matched to provide support for the toothed ring, so that shaking and deflection can be prevented when the toothed ring rotates.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

fig. 3 is a schematic view of the back structure of the present utility model.

In the figure: 1a bottom plate, 2 switches, 3 fixing columns, 4 support plates, 5 synchronous transmission mechanisms, 51 fixing plates, 52 gears, 53 support frames, 54 worm gears, 55 toothed rings, 56 motors, 57 worms, 58 bearing seats, 6 clamping mechanisms, 61 fixing blocks, 62 guide grooves, 63 clamping blocks, 64 moving plates, 65 screws, 7 rubber pads, 8 fixing holes, 9 support rods, 10 steel balls and 11 support grooves.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a quick positioning and clamping device, which adopts the technical scheme that the quick positioning and clamping device comprises a bottom plate 1, wherein a switch 2 is fixedly arranged on one side of the top of the bottom plate 1, four corners of the top of the bottom plate 1 are fixedly connected with the lower ends of four fixing columns 3 respectively, the tops of the four fixing columns 3 are fixedly connected with four corners of the bottom of a supporting plate 4, a synchronous transmission mechanism 5 and a clamping mechanism 6 are arranged on the bottom plate 1 and the supporting plate 4, fixing holes 8 are formed in the four corners of the top of the bottom plate 1, the bottom plate 1 can be conveniently fixed at a bearing machining position through the fixing holes 8, and the stability of the quick positioning and clamping device in use is improved;

the synchronous transmission mechanism 5 comprises a fixed plate 51, a gear 52, a supporting frame 53, a worm wheel 54, a toothed ring 55, a motor 56, a worm 57 and a bearing seat 58, wherein the worm wheel 54 is rotatably arranged in the middle of the top of the bottom plate 1, the top of the worm wheel 54 is fixedly provided with the cross-shaped supporting frame 53, the top of the outer side of the supporting frame 53 is fixedly connected with the bottom of the toothed ring 55, the top of the bottom plate 1 is fixedly provided with four supporting rods 9, steel balls 10 are rotatably arranged in grooves in the tops of the four supporting rods 9, the bottom of the toothed ring 55 is provided with supporting grooves 11 matched with the four steel balls 10, the supporting grooves 11 are annular, the toothed ring 55 can be supported by the supporting rods 9, the steel balls 10 and the supporting grooves 11, so as to prevent the toothed ring 55 from shaking and shifting during rotation, the fixed plate 51 is provided with four fixing plates 51, the four fixing plates 51 are fixedly arranged at the bottom of the supporting plate 4, the side faces of the lower ends of the four fixing plates 51 are respectively provided with the gear 52, the bearing seats 58 are fixedly arranged at one side of the top of the bottom plate 1, the two bearing seats 58 are fixedly arranged at the opposite sides of the bottom plate 1, the two bearing seats 58 are rotatably connected with the two ends of the worm wheel 57, the middle of the worm wheel 57 on the opposite sides of the worm wheel 57, the worm wheel 57 is rotatably matched with the four steel balls 10, the worm wheel 57 and the motor 55 and the worm wheel 55 and the motor 55 are in rotation 5, the side of the motor 56 is fixedly arranged on the side faces of the supporting plate 55 and the side 5, and the motor 55 and the side 5 are respectively, which is fixedly connected with the side and the supporting motor 55 and the side 52, and the side 52 and the motor 55;

The clamping mechanism 6 comprises fixing blocks 61, guide grooves 62, clamping blocks 63, moving plates 64 and screw rods 65, wherein the fixing blocks 61 are fixedly arranged in the middle of the bottom of the supporting plate 4, the four guide grooves 62 are arranged at four, the four guide grooves 62 are formed in the top of the supporting plate 4 in equal angles, the screw rods 65 are arranged at four, one ends of the four screw rods 65 are respectively fixedly connected with the middle of the end faces of the four gears 52, the other ends of the four screw rods 65 are respectively and rotatably connected with the middle of the four side faces of the fixing blocks 61, one ends of the four screw rods 65 respectively penetrate through screw holes of the side faces of the lower ends of the four moving plates 64, the upper ends of the four moving plates 64 are respectively and fixedly connected with the bottoms of the four arc-shaped clamping blocks 63, rubber pads 7 are fixedly arranged on two cambered surfaces of the clamping blocks 63, and the friction force of the clamping blocks 63 can be improved through the rubber pads 7, the stability after the bearing steel ring is clamped is improved, the upper ends of the four movable plates 64 are respectively located in the four guide grooves 62, the four gears 52 simultaneously drive the four screws 65 to rotate, the four screws 65 simultaneously drive the four movable plates 64 to move, the four movable plates 64 simultaneously drive the four clamping blocks 63 to simultaneously move outwards or inwards, the four clamping blocks 63 clamp and position the bearing steel ring from the inside or the outside, one positioning and clamping device can simultaneously meet the clamping and positioning of the inner ring and the outer ring of the bearing steel ring, the bearing processing and the use are facilitated, and the transmission of the worm gear 54, the worm 57, the toothed ring 55, the gears 52 and the screws 65 has higher transmission efficiency, so that the bearing steel ring can be rapidly positioned and clamped, and the efficiency of the positioning and the clamping of the bearing steel ring is improved.

The working principle of the utility model is as follows: the bottom plate 1 is fixed at the bearing processing position through the fixed hole 8, an external power supply is connected, the bearing steel ring is arranged at the top of the supporting plate 1, the motor 56 is controlled to work through the switch group 2, the output shaft of the motor 56 drives the worm 57 to rotate, the worm 57 drives the worm wheel 54 to rotate, the worm wheel 54 drives the supporting frame 53 and the toothed ring 55 to rotate, the toothed ring 55 simultaneously drives the four gears 52 to rotate, the four gears 52 simultaneously drive the four screws 65 to rotate, the four screws 65 simultaneously drive the four moving plates 64 to move, the four moving plates 64 simultaneously drive the four clamping blocks 63 to move towards the middle part along the direction of the four guide grooves 62, the four clamping blocks 63 are matched to position and clamp the bearing steel ring, when the steel ring is required to be fixed from inside, the steel ring can be sleeved on the outer side of the four clamping blocks 63, the motor 56 is controlled to rotate through the switch 2, the transmission mode is consistent with the external clamping mode, the four clamping blocks 63 are moved from the middle part to the outside, and the steel ring is fixed from the inside.

The circuit connection related to the utility model is a conventional means adopted by the person skilled in the art, can obtain technical teaching through limited tests, and belongs to the widely used prior art.

The components not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims (5)

1. The quick positioning and clamping device is characterized by comprising a bottom plate (1), wherein a switch (2) is fixedly arranged on one side of the top of the bottom plate (1), four corners of the top of the bottom plate (1) are fixedly connected with the lower ends of four fixing columns (3) respectively, the tops of the four fixing columns (3) are fixedly connected with four corners of the bottom of a supporting plate (4), and a synchronous transmission mechanism (5) and a clamping mechanism (6) are arranged on the bottom plate (1) and the supporting plate (4);

The synchronous transmission mechanism (5) comprises a fixed plate (51), gears (52), a supporting frame (53), worm wheels (54), toothed rings (55), motors (56), worms (57) and bearing seats (58), wherein the worm wheels (54) are rotatably installed in the middle of the top of a bottom plate (1), the cross-shaped supporting frame (53) is fixedly installed at the top of each worm wheel (54), the top of the outer side of each supporting frame (53) is fixedly connected with the bottom of each toothed ring (55), the fixed plate (51) is provided with four fixed plates (51) which are fixedly installed at the bottom of a supporting plate (4) in equal angles, the side surfaces of the lower ends of the four fixed plates (51) are rotatably provided with the gears (52), the bearing seats (58) are provided with two, the middle of the opposite side surfaces of the two bearing seats (58) are rotatably connected with the two ends of the worm bearings (57), the worm (57) are meshed with the bearing seats (54), the worm wheels (56) of one bearing seat (58) are fixedly provided with the motor output shaft (56), and the motor output shaft (56) is fixedly connected with one end (56) of the worm wheel (56) which penetrates through a through hole (2) of the switch (58);

Clamping mechanism (6) are including fixed block (61), guide way (62), clamp splice (63), movable plate (64) and screw rod (65), fixed block (61) fixed mounting is in the middle part of backup pad (4) bottom, guide way (62) are equipped with four, and the top in backup pad (4) is offered to four guide way (62) equi-angle, screw rod (65) are equipped with four, four screw rod (65) one end respectively with the middle part fixed connection of four gear (52) terminal surface, four screw rod (65) the other end respectively with the middle part rotation of four sides of fixed block (61) be connected, four screw rod (65) one end respectively pass the screw of four movable plate (64) lower extreme sides, four the upper end of movable plate (64) respectively with the bottom fixed connection of four arc clamp splice (63), four the upper end of movable plate (64) is located four guide way (62) respectively.

2. A quick positioning and clamping device as defined in claim 1, wherein: rubber pads (7) are fixedly arranged on two cambered surfaces of the clamping block (63).

3. A quick positioning and clamping device as defined in claim 1, wherein: fixing holes (8) are formed in four corners of the top of the bottom plate (1).

4. A quick positioning and clamping device as defined in claim 1, wherein: four supporting rods (9) are fixedly arranged at the top of the bottom plate (1), and steel balls (10) are rotatably arranged in grooves at the tops of the four supporting rods (9).

5. A quick positioning and clamping device as defined in claim 4, wherein: the bottom of the toothed ring (55) is provided with a supporting groove (11) matched with the four steel balls (10), and the supporting groove (11) is annular.