CN219853373U - Clamping device for gear ring production - Google Patents

Abstract

The utility model discloses a clamping device for producing a gear ring, which comprises a clamping table, wherein the front end of the clamping table is uniformly provided with three slide ways in an annular shape, a pair of shaft seats fixed with the rear part in the clamping table are respectively arranged right behind the slide ways, a threaded shaft is connected between the shaft seats through bearings, and a driving mechanism is arranged between the inner ends of the threaded shafts. When the rubber pad faces the outer wall of the outer gear ring, the motor is driven by the motor to rotate, the motor shaft drives the driving bevel gear to rotate, and the three driven bevel gears simultaneously rotate along with the meshing of the driving bevel gear and the driven bevel gears, so that the three threaded shafts simultaneously rotate, the clamping block can drive the rubber pad to move towards the outer wall of the outer gear ring and cling to the outer wall of the outer gear ring, and when the inner gear ring is required to be clamped, the clamping block is rotated to the inner side of the rubber pad facing the inner gear ring, and then the clamping block drives the rubber pad to move towards the inner wall of the inner gear ring and cling to the outer wall of the inner gear ring, so that the outer gear ring and the inner gear ring can be applied, and the practicability is improved.

Description

Clamping device for gear ring production

Technical Field

The utility model relates to the technical field of gear ring production, in particular to a clamping device for gear ring production.

Background

The gear ring is embedded on the outer edge of the flywheel after being heated, is fastened on the outer edge of the flywheel after being cooled and is used for being meshed with a starter gear to drive a crankshaft to rotate, and the engine is started, so that the gear ring is required to be clamped and positioned in the production and processing process of the gear ring. At present, when the gear ring is machined, the outer gear ring and the inner gear ring are divided, so that clamping devices of different types are required to be replaced according to the outer gear ring and the inner gear ring, the replacement is troublesome, and the machining efficiency is prolonged.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a clamping device for producing a gear ring, so as to solve the problems that the existing clamping device is troublesome to replace and delays the processing efficiency because the clamping device is divided into an outer gear ring and an inner gear ring according to the outer gear ring and the inner gear ring.

The utility model provides a clamping device is used in ring gear production, includes the grip block, the grip block front end is annular evenly opens there are three slide, all be equipped with a pair of axle bed fixed with the grip block internal rear portion behind the slide, bearing connection has the screw thread axle between the axle bed, install actuating mechanism between the screw thread axle inner, screw thread axle external screw thread is connected with the nut, the slide is extended and is fixed with fixture in the nut front portion.

Preferably, the driving mechanism comprises a motor, driven bevel gears, a driving bevel gear and a motor shaft, wherein the motor is fixedly arranged in the middle of the rear end of the inner wall of the clamping table, the motor shaft is connected to the output end of the motor, the driving bevel gears are fixed at the tail end of the motor shaft, the driven bevel gears are three and are fixed at the inner ends of the threaded shafts in a one-to-one correspondence manner, and the driven bevel gears are positioned in front of the driving bevel gears and are in meshed connection with the driving bevel gears.

Preferably, the clamping mechanism comprises a concave seat, a clamping block, a limiting plate, a sleeve, a sliding rod and a pressing plate, wherein the concave seat is fixed with the front part of the screw cap, the clamping block is rotationally connected to the inner side of the concave seat, rotary shafts are respectively fixed at the left end and the right end of the clamping block, and the tail end of the rotary shaft penetrates through the concave seat and is rotationally connected with the concave seat.

Preferably, the inner end of the clamping block is provided with a slot, the slot is internally inserted with an inserting block, and one end of the inserting block, which is far away from the slot, is fixed with a rubber pad.

Preferably, a first magnetic block is fixed at one end of the insert block, which is close to the slot, a second magnetic block is fixedly connected to the bottom of the slot, and the first magnetic block and the second magnetic block are attracted.

Preferably, the two sleeves are respectively embedded and fixed on two sides of the right end of the concave seat, the two slide bars are in sliding connection with the inside of the sleeve in a one-to-one correspondence manner, the pressing plates are in one-to-one correspondence and fixed on the head end of the slide bars, springs are connected between the pressing plates and the inner walls of the sleeves and outside the slide bars, the limiting plates are fixedly connected between the tail ends of the slide bars, the limiting blocks are fixed on the right part of the rotating shaft, limiting holes are formed in the middle of the limiting plates, the limiting blocks and the limiting holes are square, and the limiting blocks are spliced with the limiting holes.

The beneficial effects are that: when the rubber pad faces the outer wall of the outer gear ring, the motor is driven by the motor to rotate, the motor shaft drives the driving bevel gear to rotate, and the three driven bevel gears simultaneously rotate along with the meshing of the driving bevel gear and the driven bevel gears, so that the three threaded shafts simultaneously rotate, the clamping block can drive the rubber pad to move towards the outer wall of the outer gear ring and cling to the outer wall of the outer gear ring, and when the inner gear ring is required to be clamped, the clamping block is rotated to the inner side of the rubber pad facing the inner gear ring, and then the clamping block drives the rubber pad to move towards the inner wall of the inner gear ring and cling to the outer wall of the inner gear ring, so that the outer gear ring and the inner gear ring can be applied, and the practicability is improved.

Drawings

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

FIG. 2 is a schematic overall cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of a concave seat according to the present utility model.

In the figure: the device comprises a 1-clamping table, a 2-slideway, a 3-threaded shaft, a 4-concave seat, a 5-shaft seat, a 6-nut, a 7-driven bevel gear, an 8-driving bevel gear, a 9-motor shaft, a 10-rotating shaft, an 11-clamping block, a 12-slot, a 13-inserting block, a 14-rubber pad, a 15-magnetic block I, a 16-magnetic block II, a 17-limiting block, a 18-limiting plate, a 19-sleeve, a 20-sliding rod, a 21-pressing plate, a 22-spring and a 23-limiting hole.

Detailed Description

Referring to fig. 1-3, a clamping device for producing a gear ring comprises a clamping table 1, wherein three slide ways 2 are uniformly arranged at the front end of the clamping table 1 in an annular shape, a pair of shaft seats 5 fixed with the rear part in the clamping table 1 are respectively arranged right behind the slide ways 2, threaded shafts 3 are connected between the shaft seats 5 in a bearing manner, a driving mechanism is arranged between the inner ends of the threaded shafts 3, the driving mechanism comprises a motor, a driven bevel gear 7, a driving bevel gear 8 and a motor shaft 9, the motor is fixedly arranged in the middle of the rear end of the inner wall of the clamping table 1, the motor shaft 9 is connected to the output end of the motor, the driving bevel gear 8 is fixed at the tail end of the motor shaft 9, the driven bevel gear 7 is provided with three slide ways and is correspondingly fixed at the inner end of the threaded shafts 3 one by one, the driven bevel gear 7 is positioned in front of the driving bevel gear 8 and is in meshed connection with the driving bevel gear 8, a nut 6 is connected to the outer threads of the threaded shafts 3, and the front part of the nut 6 extends out of the slide ways 2 and is fixedly provided with a clamping mechanism;

the clamping mechanism comprises a concave seat 4, clamping blocks 11, limiting blocks 17, limiting plates 18, a sleeve 19, sliding rods 20 and a pressing plate 21, wherein the concave seat 4 is fixed with the front part of a screw cap 6, the clamping blocks 11 are rotationally connected to the inner side of the concave seat 4, rotating shafts 10 are respectively fixed at the left end and the right end of each clamping block 11, the tail ends of the rotating shafts 10 penetrate through the concave seat 4 and are rotationally connected with the concave seat 4, and the clamping blocks 11 can rotate with the concave seat 4 through the rotating shafts 10 at the inner side of the concave seat 4, so that the rotation angle of the clamping blocks 11 is one hundred eighty degrees;

the two sleeves 19 are respectively embedded and fixed at the two sides of the right end of the concave seat 4, the two slide bars 20 are in one-to-one corresponding sliding connection inside the sleeves 19, the two pressing plates 21 are in one-to-one corresponding connection at the head end of the slide bars 20, springs 22 are connected between the pressing plates 21 and the inner walls of the sleeves 19 and outside the slide bars 20, the limiting plates 18 are fixedly connected between the tail ends of the slide bars 20, the limiting plates 17 are fixed at the right part of the rotating shaft 10 at the right end, limiting holes 23 are formed in the middle of the limiting plates 18, the limiting plates 17 are inserted into the limiting holes 23, when the clamping blocks 11 need to be rotated, the limiting plates 18 drive the slide bars 20 to slide out of the sleeves 19 by pulling the limiting plates 18, and simultaneously drive the pressing plates 21 to squeeze springs 22, so that the limiting plates 17 are pulled out of the inside the limiting holes 23, then the clamping blocks 11 can be rotated to enable the rotating shaft 10 to rotate, after the rotating shaft 10 rotates by one hundred eighty degrees, the limiting plates 18 are released, at the moment, the springs 22 push the pressing plates 21 push the pressing plates 20 to slide the sliding plates 20 into the sleeves 19, and the limiting plates 17 and the limiting plates 23 are enabled to rotate again, and the limiting plates 17 and the limiting plates 23 to rotate, and limiting the square holes 11, and limiting the rotating plates 11 can not be clamped by limiting the limiting plates 11, so that limiting the limiting plates 11 and can be rotated by limiting plates 11.

The slot 12 is arranged at the inner end of the clamping block 11, the inserting block 13 is inserted into the slot 12, a rubber pad 14 is fixed at one end, far away from the slot 12, of the inserting block 13, a first magnet 15 is fixed at one end, close to the slot 12, of the inserting block 13, a second magnet 16 is fixedly connected at the bottom of the slot 12, when the rubber pad 14 is installed on the clamping block 11, the inserting block 13 and the inserting block 12 are inserted only through aligning the first magnet 15 and the second magnet 16, the inserting block 13 and the inserting slot 12 are prevented from being separated due to non-manpower, the inserting block 13 can be pulled out of the slot 12 by manpower, the stability of the rubber pad 14 after installation is improved, and the rubber pad 14 is convenient to replace.

Working principle: the outer gear ring is placed in the clamping table 1, the rubber gasket 14 is positioned on the outer side of the outer gear ring, then the motor shaft 9 can be driven to rotate by forward rotation of the motor, the driving bevel gear 8 drives the three driven bevel gears 7 to rotate simultaneously along with the rotation of the motor shaft 9, the driven bevel gears 7 drive the threaded shafts 3 to rotate simultaneously, the three threaded shafts 3 are matched with the screw cap 6 in a threaded manner, the screw cap 6 slides along the slideway 2 along with the threaded shafts 3, the screw cap 6 drives the concave seat 4 to move, the concave seat 4 is pulled to be close to the distance, and the rubber gasket 14 is clung to the outer wall of the outer gear ring and clamps and positions the outer gear ring;

when the annular gear is placed in the clamping table 1 and the rubber pad 14 is positioned on the inner side of the annular gear, the limiting plate 18 drives the slide rod 20 to slide out of the sleeve 19 by pulling the limiting plate 18, meanwhile drives the pressing plate 21 to squeeze the spring 22, so that the limiting block 17 is pulled out of the limiting hole 23, then the clamping block 11 can be rotated by one hundred eighty degrees to rotate the rotating shaft 10 by one hundred eighty degrees, after the rotating shaft 10 rotates by one hundred eighty degrees, the limiting plate 18 is released again, at the moment, the spring 22 pushes the pressing plate 21, and the pressing plate 21 drives the slide rod 20 to slide into the sleeve 19, at the moment, the limiting block 17 is spliced with the limiting hole 23 of the limiting plate 18 again, because the limiting block 17 and the limiting hole 23 are square, so the pivot 10 can't rotate this moment, just so can carry out spacingly to grip block 11, the inboard of rubber pad 14 towards the ring gear this moment, afterwards through making the motor reverse rotation, can drive motor shaft 9 rotate, drive bevel gear 8 rotates along with motor shaft 9, and make drive bevel gear 8 drive three driven bevel gear 7 simultaneously rotate, driven bevel gear 7 can drive screw mandrel 3 like this and rotate, make three screw mandrel 3 simultaneously rotate, along with screw mandrel 3 and nut 6 screw-thread fit, and make nut 6 slide along slide 2, nut 6 can drive concave seat 4 and remove like this, make concave seat 4 pull apart the interval, can make rubber pad 14 and ring gear outer wall hug closely like this and carry out the centre gripping location to the ring gear.

Claims (6)

1. Clamping device is used in ring gear production, including grip block (1), its characterized in that:

the novel clamping table is characterized in that three slide ways (2) are evenly arranged at the front end of the clamping table (1) in an annular mode, a pair of shaft bases (5) fixed to the rear portion in the clamping table (1) are arranged right behind the slide ways (2), threaded shafts (3) are connected between the shaft bases (5) in a bearing mode, a driving mechanism is arranged between the inner ends of the threaded shafts (3), nuts (6) are connected with external threads of the threaded shafts (3), and the slide ways (2) are extended from the front portions of the nuts (6) and are fixed with the clamping mechanism.

2. The clamping device for producing a ring gear according to claim 1, wherein: the driving mechanism comprises a motor, driven bevel gears (7), a driving bevel gear (8) and a motor shaft (9), wherein the motor is fixedly arranged in the middle of the rear end of the inner wall of the clamping table (1), the motor shaft (9) is connected with the output end of the motor, the driving bevel gears (8) are fixed at the tail end of the motor shaft (9), the driven bevel gears (7) are fixedly arranged at the inner ends of the threaded shafts (3) in a one-to-one correspondence mode, and the driven bevel gears (7) are positioned in front of the driving bevel gears (8) and are meshed with the driving bevel gears (8).

3. The clamping device for producing a ring gear according to claim 1, wherein: the clamping mechanism comprises a concave seat (4), clamping blocks (11), limiting blocks (17), limiting plates (18), sleeves (19), sliding rods (20) and pressing plates (21), wherein the concave seat (4) is fixed to the front portion of a screw cap (6), the clamping blocks (11) are rotationally connected to the inner side of the concave seat (4), rotating shafts (10) are respectively fixed to the left end and the right end of each clamping block (11), and the tail ends of the rotating shafts (10) penetrate through the concave seat (4) and are rotationally connected with the concave seat (4).

4. A clamping device for the production of a ring gear according to claim 3, characterized in that: the clamping block (11) is internally provided with a slot (12), an inserting block (13) is inserted in the slot (12), and a rubber pad (14) is fixed at one end, far away from the slot (12), of the inserting block (13).

5. The clamping device for producing a ring gear according to claim 4, wherein: one end of the inserting block (13) close to the inserting groove (12) is fixedly provided with a first magnetic block (15), the bottom of the inserting groove (12) is fixedly connected with a second magnetic block (16), and the first magnetic block (15) is attracted with the second magnetic block (16).

6. The clamping device for producing a ring gear according to claim 5, wherein: the novel sliding sleeve comprises a sleeve (19), two sliding rods (20) and a pair of pressing plates (21), wherein the two sliding rods are respectively embedded and fixed on the two sides of the right end of a concave seat (4), the sliding rods (20) are in one-to-one sliding connection inside the sleeve (19), the pressing plates (21) are fixed at the head ends of the sliding rods (20) in one-to-one correspondence, springs (22) are connected between the pressing plates (21) and the inner walls of the sleeve (19) and outside the sliding rods (20), limiting plates (18) are fixedly connected between the tail ends of the sliding rods (20), limiting blocks (17) are fixed on the right part of a rotating shaft (10), limiting holes (23) are formed in the middle of each limiting plate (18), and the limiting blocks (17) and the limiting holes (23) are square.