CN216913484U

CN216913484U - Positioning and clamping device for high-precision transmission shaft production

Info

Publication number: CN216913484U
Application number: CN202123019546.6U
Authority: CN
Inventors: 徐子链; 沈文辉; 沈星军
Original assignee: Jiangyin Wanli Forging Co ltd
Current assignee: Jiangyin Wanli Forging Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-08
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to a positioning and clamping device for high-precision transmission shaft production, which comprises a clamping table, wherein a driving box is fixedly connected to one side of the clamping table, an air cylinder box is arranged inside the driving box, an air cylinder is arranged inside the air cylinder box, the output end of the air cylinder is fixedly connected with a push rod, and a clamping box is fixedly connected to one side of the inner wall of the clamping table. According to the utility model, after the driving shaft extends into the first clamping sleeve and the second clamping sleeve, the spring is compressed, so that the driving shaft is clamped through the clamping ring, then a worker connects the bolt into the first clamping sleeve and the second clamping sleeve in a threaded manner, so that the clamping block connected with the bolt is contacted with the driving shaft to form clamping on the driving shaft, and the outer surface of the clamping block is provided with anti-skidding grains, so that the friction force between the clamping block and the driving shaft is increased, and further the device improves the clamping effect on the driving shaft.

Description

Positioning and clamping device for high-precision transmission shaft production

Technical Field

The utility model relates to the technical field of transmission shaft production, in particular to a positioning and clamping device for high-precision transmission shaft production.

Background

At present, the propeller shaft is the most conventional drive component. It is the installation hole site that needs to be carried out the operation at the assembly, consequently in the production process of transmission shaft, need fix a position and the centre gripping to the transmission shaft, and the in-process that present conventional location clamping device used generally adopts two single grip rings to form the centre gripping to the transmission shaft, and the centre gripping effect is not good to influence its machining precision, lead to the precision of transmission shaft product to receive the influence. Meanwhile, sparks are easily generated during the process of machining the transmission shaft, and safety accidents are generated, so it is required to improve it to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide the positioning and clamping device for producing the high-precision transmission shaft, which has a good clamping effect, is beneficial to improving the precision of the transmission shaft, has a good protection effect and further has the effect of safe production.

The technical purpose of the utility model is realized by the following technical scheme:

a positioning and clamping device for high-precision transmission shaft production comprises a clamping table, wherein a driving box is fixedly connected to one side of the clamping table, a cylinder box is arranged inside the driving box, a cylinder is arranged inside the cylinder box, a push rod is fixedly connected to the output end of the cylinder, a clamping box is fixedly connected to one side of the inner wall of the clamping table, a first clamping sleeve is fixedly connected inside the clamping box, a second clamping sleeve is fixedly connected to one end of the push rod, cushion pads are fixedly connected to the inner bottom walls of the first clamping sleeve and the second clamping sleeve, springs are fixedly connected to the inner side walls of the first clamping sleeve and the second clamping sleeve, a clamping ring is fixedly connected to one end of each spring, threaded holes are formed in two sides inside the first clamping sleeve and the second clamping sleeve, a bolt is connected to the inner threads of each threaded hole, and a clamping block is fixedly connected to one end of each bolt, anti-skidding line has been seted up to the surface of grip block, the inside of first centre gripping cover and second centre gripping cover is provided with the transmission shaft. The worker installs the driving shaft into the first clamping sleeve, then starts the cylinder, the cylinder drives the push rod to move towards the other end of the driving shaft, at the moment, the worker inserts the other end of the driving shaft into the second clamping sleeve, the two ends of the driving shaft are respectively contacted with the buffer pads in the first clamping sleeve and the second clamping sleeve, the buffer pads are made of rubber and have elasticity, so that the two ends of the driving shaft can be protected, when the driving shaft extends into the first clamping sleeve and the second clamping sleeve, the spring is compressed, so that the driving shaft is clamped through the clamping rings, then the worker connects the bolt into the first clamping sleeve and the second clamping sleeve in a threaded manner, so that the clamping block connected with the bolt is contacted with the driving shaft, the clamping of the driving shaft is formed, and anti-skid grains are arranged on the outer surface of the clamping block, thereby frictional force between increase and the drive shaft, and then make this device promote the centre gripping effect to the drive shaft, also be convenient for take out the drive shaft in the inside of centre gripping platform simultaneously.

Preferably, the equal fixedly connected with mounting panel in both sides of cylinder case, the inside threaded connection of mounting panel has the installation pole, just the installation pole extends to the inside of drive box. When the cylinder box is installed in the driving box, the worker connects the installation rod to the inside of the installation plate in a threaded manner, so that the installation rod extends to the inside of the driving box.

Preferably, the two sides of the inner wall of the clamping table are fixedly connected with fixing plates, bearings are arranged inside the fixing plates, rotating rods are rotatably connected inside the bearings, and a turnover frame is fixedly connected to one side of each rotating rod. The roll-over stand is connected in the inside of fixed plate through the bull stick rotation to make the roll-over stand can overturn around the bull stick. One side of the roll-over stand is fixedly connected with a protection plate which is rectangular.

Preferably, the staff rotates the roll-over stand for the roll-over stand drives the guard plate and covers at the top of centre gripping platform, thereby can shelter from the drive shaft, adds man-hour when the drive shaft, prevents that the spark of adding man-hour from spattering on staff's one's body, reduces the production of incident.

Preferably, one side of the roll-over stand is in threaded connection with a fixing rod, a fixing hole is formed in the top of the clamping table, and the fixing rod is in threaded connection with the inside of the fixing hole. After the protection plate covers the top of the clamping table, the other side of the turnover frame is overlapped on one side of the top of the clamping table, and a worker can fix the turnover frame by connecting the fixing rod to the inside of the fixing hole in a threaded mode.

Preferably, the two sides of the outer surface of the clamping table are fixedly connected with cushion blocks, and the inner threads of the cushion blocks are connected with screws. The staff places the grip block in the inside of processing apparatus, later with screw rod threaded connection to the inside of cushion for the screw rod extends to the inside of processing apparatus and can fix the grip block.

The utility model has the beneficial effects that:

according to the utility model, through the arrangement of the clamping table, the driving box, the cylinder, the push rod, the clamping box, the first clamping sleeve, the second clamping sleeve, the buffer cushion, the spring, the clamping ring, the bolt and the clamping block, a worker installs the driving shaft into the first clamping sleeve, then starts the cylinder to drive the push rod to move towards the other end of the driving shaft, the worker inserts the other end of the driving shaft into the second clamping sleeve at the moment, two ends of the driving shaft are respectively contacted with the buffer cushion in the first clamping sleeve and the second clamping sleeve, the buffer cushion is made of rubber and has elasticity, so that two ends of the driving shaft can be protected, when the driving shaft extends into the first clamping sleeve and the second clamping sleeve, the spring is compressed, so that the driving shaft is clamped through the clamping ring, and then the worker connects the bolt into the first clamping sleeve and the second clamping sleeve in a threaded manner, make the grip block that the bolt is connected contact with the drive shaft, form the centre gripping to the drive shaft, because the surface of grip block has seted up anti-skidding line to increase and the frictional force between the drive shaft, and then make this device promote the centre gripping effect to the drive shaft, also be convenient for take out the drive shaft in the inside of centre gripping platform simultaneously. Simultaneously, through the fixed plate, the bull stick, the roll-over stand, the guard plate, setting between dead lever and the fixed orifices, the roll-over stand passes through the bull stick and rotates the inside of connecting at the fixed plate, thereby make the roll-over stand can overturn around the bull stick, the staff rotates the roll-over stand, make the roll-over stand drive the guard plate and cover at the top of centre gripping platform, thereby can shelter from the drive shaft, add man-hour as the drive shaft, prevent that the spark with man-hour from spattering on one's body at the staff, reduce the production of incident, cover after the top of centre gripping platform as the guard plate, the opposite side of roll-over stand will overlap joint one side at the centre gripping bench top, the staff can fix the roll-over stand with the inside of dead lever threaded connection to the fixed orifices.

Drawings

FIG. 1 is a schematic structural view of a positioning and clamping device for high-precision transmission shaft production according to the present invention;

FIG. 2 is a schematic structural view of a cylinder box of the positioning and clamping device for high-precision transmission shaft production according to the present invention;

FIG. 3 is a schematic view of the internal structure of a second clamping sleeve of the positioning and clamping device for high-precision transmission shaft production according to the present invention;

fig. 4 is an enlarged structural schematic diagram of a position a in fig. 1 of the positioning and clamping device for producing the high-precision transmission shaft according to the utility model.

In the figure, 1, a clamping table; 2. a drive box; 3. a cylinder case; 4. a cylinder; 5. a push rod; 6. a clamping box; 7. a first clamping sleeve; 8. a second clamping sleeve; 9. a cushion pad; 10. a spring; 11. a clamp ring; 12. a bolt; 13. a clamping block; 14. mounting a plate; 15. mounting a rod; 16. a fixing plate; 17. a rotating rod; 18. a roll-over stand; 19. a protection plate; 20. fixing the rod; 21. a fixing hole; 22. cushion blocks; 23. a screw; 24. a drive shaft.

Detailed Description

Referring to fig. 1-4, the positioning and clamping device for high-precision transmission shaft production comprises a clamping table 1, a driving box 2 is fixedly connected to one side of the clamping table 1, a cylinder box 3 is arranged inside the driving box 2, a cylinder 4 is arranged inside the cylinder box 3, a push rod 5 is fixedly connected to an output end of the cylinder 4, a clamping box 6 is fixedly connected to one side of the inner wall of the clamping table 1, a first clamping sleeve 7 is fixedly connected to the inside of the clamping box 6, a second clamping sleeve 8 is fixedly connected to one end of the push rod 5, buffer pads 9 are fixedly connected to the inner bottom walls of the first clamping sleeve 7 and the second clamping sleeve 8, springs 10 are fixedly connected to the inner side walls of the first clamping sleeve 7 and the second clamping sleeve 8, a clamping ring 11 is fixedly connected to one end of each spring 10, threaded holes are formed in two sides inside the first clamping sleeve 7 and the second clamping sleeve 8, and bolts 12 are connected to the inner threads of the threaded holes, one end of the bolt 12 is fixedly connected with a clamping block 13, the outer surface of the clamping block 13 is provided with anti-skid lines, the inside of the first clamping sleeve 7 and the second clamping sleeve 8 is provided with a transmission shaft 24, a worker installs the driving shaft 24 into the inside of the first clamping sleeve 7 and then starts the cylinder 4 to enable the cylinder 4 to drive the push rod 5 to move towards the other end of the driving shaft 24, at the moment, the worker inserts the other end of the driving shaft 24 into the inside of the second clamping sleeve 8, two ends of the driving shaft 24 are respectively contacted with cushion pads 9 inside the first clamping sleeve 7 and the second clamping sleeve 8, the cushion pads 9 are made of rubber and have elasticity, so that two ends of the driving shaft 24 can be protected, after the driving shaft 24 extends to the inside of the first clamping sleeve 7 and the second clamping sleeve 8, the spring 10 is compressed, so that the driving shaft 24 is clamped through the clamping ring 11, then, a worker connects the bolt 12 to the inside of the first clamping sleeve 7 and the second clamping sleeve 8 in a threaded manner, so that the clamping block 13 connected with the bolt 12 is in contact with the driving shaft 24 to form clamping on the driving shaft 24, and the anti-skid threads are arranged on the outer surface of the clamping block 13, so that the friction force between the clamping block and the driving shaft 24 is increased, further, the device improves the clamping effect on the driving shaft 24, and is convenient for taking out the driving shaft 24 from the inside of the clamping table 1, the mounting plates 14 are fixedly connected to both sides of the cylinder box 3, the mounting rods 15 are connected to the inner threads of the mounting plates 14, the mounting rods 15 extend to the inside of the driving box 2, when the cylinder box 3 is mounted in the driving box 2, the worker connects the mounting rods 15 to the inside of the mounting plates 14 in a threaded manner, so that the mounting rods 15 extend to the inside of the driving box 2, and the fixing plates 16 are fixedly connected to both sides of the inner wall of the clamping table 1, the inside of fixed plate 16 is provided with the bearing, the inside of bearing is rotated and is connected with bull stick 17, one side fixedly connected with roll-over stand 18 of bull stick 17, roll-over stand 18 rotates through bull stick 17 and connects in the inside of fixed plate 16, thereby make roll-over stand 18 can overturn around bull stick 17, one side fixedly connected with guard plate 19 of roll-over stand 18, guard plate 19 is the rectangle, the staff rotates roll-over stand 18, make roll-over stand 18 drive guard plate 19 cover at the top of centre gripping platform 1, thereby can shelter from drive shaft 24, when the drive shaft is being processed, prevent that the spark when processing from spattering on the staff, reduce the production of incident, one side threaded connection of roll-over stand 18 has dead lever 20, fixed orifices 21 has been seted up at the top of centre gripping platform 1, dead lever 20 threaded connection is to the inside of fixed orifices 21, after guard plate 19 covers at the top of centre gripping platform 1, the opposite side of roll-over stand 18 will the overlap joint in the one side at centre gripping platform 1 top, the staff can fix roll-over stand 18 with the inside of dead lever 20 threaded connection to fixed orifices 21, the equal fixedly connected with cushion 22 in both sides of centre gripping platform 1 surface, the inside threaded connection of cushion 22 has screw rod 23, the staff places centre gripping platform 1 in the inside of processing apparatus, later with the inside of screw rod 23 threaded connection to cushion 22, make screw rod 23 extend to the inside of processing apparatus can fix centre gripping platform 1.

When the clamping device is used, a worker installs the driving shaft 24 into the first clamping sleeve 7, then starts the air cylinder 4, so that the air cylinder 4 drives the push rod 5 to move towards the other end of the driving shaft 24, at the moment, the worker inserts the other end of the driving shaft 24 into the second clamping sleeve 8, two ends of the driving shaft 24 are respectively contacted with the buffer pads 9 inside the first clamping sleeve 7 and the second clamping sleeve 8, the buffer pads 9 are made of rubber and have elasticity, so that two ends of the driving shaft 24 can be protected, after the driving shaft 24 extends into the first clamping sleeve 7 and the second clamping sleeve 8, the spring 10 is compressed, so that the driving shaft 24 is clamped through the clamping ring 11, then the worker connects the bolt 12 into the first clamping sleeve 7 and the second clamping sleeve 8 in a threaded manner, so that the clamping block 13 connected with the bolt 12 is contacted with the driving shaft 24, form the centre gripping to drive shaft 24, because the surface of grip block 13 has seted up anti-skidding line, thereby increase and the drive shaft 24 between the frictional force, and then make this device promote the clamping effect to drive shaft 24, also be convenient for take out drive shaft 24 in the inside of grip block 1 simultaneously, roll-over stand 18 rotates through bull stick 17 and connects in the inside of fixed plate 16, thereby make roll-over stand 18 can overturn around bull stick 17, the staff rotates roll-over stand 18, make roll-over stand 18 drive guard plate 19 cover at the top of grip block 1, thereby can shelter from drive shaft 24, when the drive shaft is adding man-hour, prevent that the spark when processing from spattering on the staff's body, reduce the production of incident, after guard plate 19 covers at the top of grip block 1, the opposite side of roll-over stand 18 will overlap joint in one side at the top of grip block 1, the operator screws the fixing rod 20 into the fixing hole 21 to fix the roll-over stand 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a production of high accuracy transmission shaft is with location clamping device, includes centre gripping platform (1), its characterized in that: a driving box (2) is fixedly connected to one side of the clamping table (1), a cylinder box (3) is arranged inside the driving box (2), a cylinder (4) is arranged inside the cylinder box (3), a push rod (5) is fixedly connected to the output end of the cylinder (4), a clamping box (6) is fixedly connected to one side of the inner wall of the clamping table (1), a first clamping sleeve (7) is fixedly connected to the inside of the clamping box (6), a second clamping sleeve (8) is fixedly connected to one end of the push rod (5), a cushion pad (9) is fixedly connected to the inner bottom wall of each of the first clamping sleeve (7) and the second clamping sleeve (8), a spring (10) is fixedly connected to the inner side wall of each of the first clamping sleeve (7) and the second clamping sleeve (8), a clamping ring (11) is fixedly connected to one end of each of the spring (10), threaded holes are formed in two sides of the insides of each of the first clamping sleeve (7) and the second clamping sleeve (8), the utility model discloses a clamping device, including screw hole, anti-skidding line, the inside threaded connection of screw hole has bolt (12), the one end fixedly connected with grip block (13) of bolt (12), the surface of grip block (13) has been seted up, the inside of first centre gripping cover (7) and second centre gripping cover (8) is provided with transmission shaft (24).

2. The high accuracy transmission shaft production is with location clamping device of claim 1, characterized in that: the equal fixedly connected with mounting panel (14) in both sides of cylinder case (3), the inside threaded connection of mounting panel (14) has installation pole (15), just installation pole (15) extend to the inside of drive box (2).

3. The positioning and clamping device for the production of the high-precision transmission shaft according to claim 1, characterized in that: the clamping table is characterized in that fixing plates (16) are fixedly connected to two sides of the inner wall of the clamping table (1), bearings are arranged inside the fixing plates (16), rotating rods (17) are rotatably connected inside the bearings, and a turnover frame (18) is fixedly connected to one side of each rotating rod (17).

4. The high accuracy transmission shaft production is with location clamping device of claim 3, characterized in that: one side of the roll-over stand (18) is fixedly connected with a protection plate (19), and the protection plate (19) is rectangular.

5. The positioning and clamping device for the production of the high-precision transmission shaft according to claim 3, characterized in that: one side of the turning frame (18) is in threaded connection with a fixing rod (20), a fixing hole (21) is formed in the top of the clamping table (1), and the fixing rod (20) is in threaded connection with the inside of the fixing hole (21).

6. The high accuracy transmission shaft production is with location clamping device of claim 1, characterized in that: the clamping table is characterized in that cushion blocks (22) are fixedly connected to two sides of the outer surface of the clamping table (1), and a screw rod (23) is connected to the inner threads of the cushion blocks (22).