CN214542893U

CN214542893U - Mechanical crimping pliers

Info

Publication number: CN214542893U
Application number: CN202120967672.5U
Authority: CN
Inventors: 关鹤达; 韩锋钢; 彭倩; 田昊华
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-10-29
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a mechanical crimping pincers, it includes fixed connection's binding clip and pincers handle. The binding clip includes main part, tong pole, rack and turbine. The top of the main body part is provided with a clamping groove, and the two sides of the clamping groove are provided with sliding grooves. Two opposite clamp rods are arranged in the two sliding grooves. A groove is arranged below the sliding groove. The turbine is arranged in the groove. The bottom of the clamp rod is provided with a rack which is meshed with the turbine. The main body part is also provided with a first rod groove which is positioned below the two grooves and communicated with the grooves. The clamp handle is provided with a second rod groove, and the first rod groove is communicated with the second rod groove. The mechanical crimping pliers further comprise a positive thread worm, a shaft lever, a supporting block and a negative thread worm. The shaft lever rotatably passes through the supporting block. The positive thread worm and the negative thread worm are respectively fixed on the shaft lever and are respectively meshed with a turbine. The mechanical crimping pliers further comprise fixing devices for fixing samples, and the fixing devices are fixedly arranged on two sides of the clamping groove. The two clamp rods can move close to or away from each other according to the rotation of the shaft rod so as to press a sample or load the sample.

Description

Mechanical crimping pliers

Technical Field

The utility model relates to a crimping pincers technical field, concretely relates to mechanical crimping pincers.

Background

The pliers are widely used and are hand tools for clamping and shearing workpieces, which are indispensable to various industrial activities, such as assembly, repair, installation and the like. The crimping pliers are a necessary tool for conducting wire connection crimping in the on-line roadbed construction and line maintenance in the power industry. At present, when the manual crimping pliers are used, a wire easily slides from a crimping position, so that the problem of wire crimping failure or poor crimping quality is caused, the crimping speed is low, the working efficiency is greatly reduced, and the use is troublesome.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a mechanical crimping pincers has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a mechanical crimping pliers comprises a pliers head and a pliers handle which are fixedly connected. The binding clip comprises a main body part, a binding clip rod, a rack and a turbine.

The top of the main body part is provided with a clamping groove, sliding grooves are formed in the main body part and positioned on two sides of the clamping groove, and each sliding groove is communicated with the clamping groove; and a clamp rod is slidably arranged in each sliding groove. The two clamp rods are positioned on the same axis.

A groove is formed in the main body part and below the two sliding grooves respectively. And a turbine is rotatably arranged in each groove. The bottom of each clamp rod is fixedly provided with a rack, and the racks are meshed and connected with the turbine.

The interior of the main body part is also provided with a first rod groove, and the first rod groove is positioned below the two grooves and is communicated with the two grooves; and a second rod groove is formed in the forceps handle and positioned on one side of the first rod groove, and the first rod groove is communicated with the second rod groove.

The mechanical crimping pliers further comprise a positive thread worm, a shaft lever, a supporting block and a negative thread worm. The supporting blocks are fixedly installed in the first rod groove and the second rod groove respectively, and the shaft rod can rotatably penetrate through the supporting blocks. The positive thread worm and the negative thread worm are respectively fixedly sleeved on the shaft lever; the positive thread worm and the negative thread worm are respectively meshed with one worm wheel.

The mechanical crimping pliers further comprise fixing devices for fixing samples, and the fixing devices are fixedly arranged on two sides of the clamping groove.

The two clamp rods can move close to or away from each other according to the rotation of the shaft rod so as to press a sample or load the sample.

Preferably, one end of each of the two clamp rods is fixedly provided with a first clamping block and a second clamping block, and the first clamping block and the second clamping block can be driven to approach each other to crimp the sample.

Preferably, one surface of the first clamping block, which is opposite to the second clamping block, is a concave surface, one surface of the second clamping block, which is opposite to the first clamping block, is a convex surface, and the concave surface and the convex surface are matched with each other.

Preferably, the concave surface is a concave spherical surface, and the convex surface is a convex spherical surface.

Preferably, the fixing device includes two spring clips, which are respectively and fixedly installed on two sides of the main body portion, and the two spring clips are located on two sides of the clip groove.

Preferably, the mechanical crimping pliers further comprise a first bevel gear and a second bevel gear; the first bevel gear is fixedly installed at one end, located in the second rod groove, of the shaft rod, the second bevel gear which is rotationally fixed is further installed in the second rod groove, and the first bevel gear is in meshed connection with the second bevel gear.

Preferably, a rotatable crank is installed on one side wall of the clamp handle, and one end of the crank is fixedly connected with the center of the second bevel gear; the second bevel gear can rotate according to the rotation of the crank handle.

Preferably, the mechanical crimping pliers further comprise a cover plate; the cover plate is hinged to the top of the tong head and located above the clamping groove.

The utility model provides a mechanical crimping pincers possesses following beneficial effect:

this mechanical crimping pincers, use through fixing device, when carrying out the sample like the crimping of wire, can fix the wire earlier, prevent that the wire from landing or becoming flexible at the in-process of crimping, thereby can be better carry out the crimping to the wire, avoided the problem because of crimping failure or crimping quality difference that the wire landing caused, the crimping quality has been improved, the removal of the control tong pole that the use of rack can be better, distance between two tong poles of control that can be better, thereby the dynamics of better control crimping.

Further, this mechanical crimping pincers, the rotation that drives the axostylus axostyle through the use of crank can be better rotates and the turbine to the removal of control tong pole, the rotation opposite direction that can make two turbines is used in the cooperation of positive thread worm and negative thread worm, makes the moving opposite direction of two tong poles, thereby can be better extrude and loosen the wire, and more convenient using, very big improvement crimping efficiency.

Drawings

Fig. 1 is a main view cross-sectional view of the mechanical crimping pliers of the present invention;

fig. 2 is an enlarged view of the area a in fig. 1.

FIG. 3 is a top plan partial cross-sectional view of the mechanical crimper of FIG. 1;

FIG. 4 is a principal perspective external view of the mechanical crimping pliers of FIG. 1.

In the figure: 1. a binding clip; 2. a clamp handle; 3. a rack; 4. a groove; 5. a turbine; 6. a clamp lever; 7. a first clamping block; 8. a cover plate; 9. a clamping groove; 10. a second clamp block; 11. a positive-thread worm; 12. a shaft lever; 13. a first rod groove; 14. a support block; 15. a reverse-threaded worm; 16. a first bevel gear; 17. a second bevel gear; 18. a spring clip; 19. a crank; 20. a second rod groove; 21. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, the present invention provides a technical solution: a mechanical crimping pliers comprises a pliers head 1, wherein a pliers handle 2 is fixedly installed on one side of the pliers head 1. The binding clip 1 is provided with a main body part 100, a clamping groove 9 is arranged at the top of the main body part 100, and a cover plate 8 is hinged at the top of the binding clip 1 and above the clamping groove 9. A sliding groove 21 is formed in the tong head 1 and located on two sides of the clamping groove 9, and the two sliding grooves 21 are communicated with the clamping groove 9. The inside of each sliding groove 21 is slidably connected with a clamp rod 6. One end of one of the clamp rods 6 facing the clamping groove 9 is fixedly provided with a first clamping block 7, and one end of the other clamp rod 6 facing the clamping groove 9 is fixedly provided with a second clamping block 10. One surface of the first clamping block 7 opposite to the second clamping block 10 is a concave surface, one surface of the second clamping block 10 opposite to the first clamping block 7 is a convex surface, and the concave surface and the convex surface can be mutually matched. In this embodiment, the concave surface is a concave spherical surface, and the convex surface is a convex spherical surface. In other embodiments, other mating shaped faces are also possible.

A groove 4 is formed in the interior of the binding clip 1 and below each sliding groove 21, a turbine 5 is rotatably mounted in the interior of each groove 4, a linear first rod groove 13 is formed in the interior of the binding clip 1, and the first rod groove 13 is located below the two grooves 4 and communicates with the two grooves 4. The rack 3 is fixedly mounted at the bottom of each clamp rod 6, the rack 3 is meshed with the turbine 5 and can control the movement of the clamp rods 6, and the distance between the first clamping block 7 and the second clamping block 10 can be better controlled, so that the crimping strength can be better controlled. The interior of the forceps handle 2 is provided with a second rod groove 20, and the first rod groove 13 is communicated with the second rod groove 20. A support block 14 is fixedly installed inside each of the first rod groove 13 and the second rod groove 20, and the linear shaft 12 rotatably passes through the inside of the two support blocks 14. The two sections of the shaft rod 12 below the two grooves 4 are respectively and fixedly sleeved with a positive thread worm 11 and a negative thread worm 15, the positive thread worm 11 and the negative thread worm 15 are meshed with the two turbines 5 one by one, the rotation of the turbines 5 can be controlled, and the rotation directions of the two turbines 5 can be opposite. The shaft 12 has a first bevel gear 16 fixed to one end thereof inside the caliper handle 2, and a second bevel gear 17 rotatably mounted to a side wall of the second shaft groove 20.

As shown in fig. 2, fig. 2 is an enlarged view of the area a in fig. 1, and the first bevel gear 16 is in meshing connection with the second bevel gear 17.

FIG. 3 is a top plan partial cross-sectional view of the mechanical crimping pliers of FIG. 1. As shown in fig. 3, a crank handle 19 is rotatably mounted on one side of the clamp handle 2, and one end of the crank handle 19 is fixedly connected with the center of the second bevel gear 17. Rotate crank 19, can drive axostylus axostyle 12 and rotate to drive two turbines 5 and rotate in opposite directions, make first clamp splice 7 and second clamp splice 10 be close to each other in order to carry out the crimping, perhaps keep away from each other with dress appearance or sample, the convenience of using very much, very big improvement crimping efficiency.

As shown in fig. 3 and 4, spring clips 18 are fixedly mounted on both sides of the binding clip 1 for clamping an object to be crimped, such as a wire.

The using method of the mechanical crimping pliers comprises the steps that during use, firstly, the hinged cover plate 8 is opened, then a wire needing to be crimped is placed inside the clamping groove 9, then the spring clamps 18 on the two sides are used for clamping the two ends of the wire so as to fix the wire, the wire cannot slide in the crimping process, then the cover plate 8 covers the top of the clamping groove 9, the crank 19 is rotated towards one direction to drive the second bevel gear 17 to rotate, through the gear meshing effect, the first bevel gear 16 also synchronously rotates, the shaft rod 12 synchronously rotates, the positive thread worm 11 and the reverse thread worm 15 can drive the two turbines 5 to rotate in opposite directions, so that the two clamp rods 6 simultaneously move towards the middle of the clamping groove 9, at the moment, the first clamping block 7 and the second clamping block 10 can extrude the wire, and the crimping of the wire is completed. The method can control the crimping force by controlling the rotation process of the crank handle 19, after crimping is completed, the crank handle 19 is rotated reversely, the two clamp rods 6 can be moved into the sliding groove 21, finally the spring clamp 18 is loosened, the cover plate 8 is opened, and the lead can be taken out from the clamping groove 9. The use of spring clamp 18 can fix the wire earlier when the wire carries out the crimping, prevents that the wire from landing or becoming flexible at the in-process of crimping to can be better carry out the crimping to the wire, avoid the problem because of crimping failure or crimping quality difference that the wire landing caused.

The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution and the utility model, the concept of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mechanical crimping pincers, includes fixed connection's binding clip (1) and pincers (2), its characterized in that: the binding clip (1) comprises a main body part (100), a binding clip (6), a rack (3) and a turbine (5);

the top of the main body part (100) is provided with a clamping groove (9), sliding grooves (21) are formed in the main body part (100) and positioned on two sides of the clamping groove (9), and each sliding groove (21) is communicated with the clamping groove (9); a clamp rod (6) is slidably arranged in each sliding groove (21); the two clamp rods (6) are positioned on the same axis;

a groove (4) is respectively formed in the main body part (100) and below the two sliding grooves (21); a turbine (5) is rotatably arranged in each groove (4); the bottom of each clamp rod (6) is fixedly provided with a rack (3), and the rack (3) is meshed and connected with the turbine (5);

a first rod groove (13) is further formed in the main body part (100), and the first rod groove (13) is located below the two grooves (4) and is communicated with the two grooves (4); a second rod groove (20) is formed in the forceps handle (2) and located on one side of the first rod groove (13), and the first rod groove (13) is communicated with the second rod groove (20);

the mechanical crimping pliers further comprise a positive thread worm (11), a shaft rod (12), a supporting block (14) and a negative thread worm (15); the supporting blocks (14) are fixedly installed inside the first rod groove (13) and the second rod groove (20) respectively, and the shaft rod (12) can rotatably penetrate through the supporting blocks (14); the positive thread worm (11) and the negative thread worm (15) are respectively fixedly sleeved on the shaft lever (12); the positive thread worm (11) and the negative thread worm (15) are respectively meshed with one worm wheel (5);

the mechanical crimping pliers also comprise a fixing device for fixing a sample, and the fixing device is fixedly arranged on two sides of the clamping groove (9);

the two clamp rods (6) can move close to or away from each other according to the rotation of the shaft rod (12) so as to press a sample or load the sample.

2. A mechanical crimping tong as claimed in claim 1, wherein: one end of each of the two clamp rods (6) is fixedly provided with a first clamping block (7) and a second clamping block (10), and the first clamping block (7) and the second clamping block (10) can be driven to be close to each other so as to crimp a sample.

3. A mechanical crimping tong as claimed in claim 2, wherein: one surface of the first clamping block (7) corresponding to the second clamping block (10) is a concave surface, one surface of the second clamping block (10) corresponding to the first clamping block (7) is a convex surface, and the concave surface and the convex surface are matched with each other.

4. A mechanical crimping tong as claimed in claim 3, wherein: the concave surface is a concave spherical surface, and the convex surface is a convex spherical surface.

5. A mechanical crimping tong as claimed in claim 1, wherein: the fixing device comprises two spring clamps (18) which are respectively fixedly arranged on two sides of the main body part (100), and the two spring clamps (18) are positioned on two sides of the clamp groove (9).

6. A mechanical crimping tong as claimed in claim 1, wherein: the mechanical crimping pliers further comprise a first bevel gear (16) and a second bevel gear (17); one end of the shaft lever (12) positioned in the second lever groove (20) is fixedly provided with the first bevel gear (16), the second lever groove (20) is also provided with the second bevel gear (17) which is fixed in a rotating way, and the first bevel gear (16) is meshed with the second bevel gear (17).

7. A mechanical crimping tong as claimed in claim 6, characterized in that: a rotatable crank (19) is installed on one side wall of the clamp handle (2), and one end of the crank (19) is fixedly connected with the center of the second bevel gear (17); the second bevel gear (17) can rotate according to the rotation of the crank (19).

8. A mechanical crimping tong as claimed in claim 1, wherein: the mechanical crimping pliers further comprise a cover plate (8); the cover plate (8) is hinged to the top of the tong head (1) and located above the clamping groove (9).