CN211218307U

CN211218307U - Pipeline crimping die and pipeline crimping pincers

Info

Publication number: CN211218307U
Application number: CN201921388931.8U
Authority: CN
Inventors: 叶银忠; 董维钢
Original assignee: Chengdu Tongkexing Electromechanical Equipment Co ltd
Current assignee: Chengdu Tongkexing Electromechanical Equipment Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-08-11
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a pipeline crimping mould and pipeline crimping pincers, pipeline crimping mould, including crimping mould body, its characterized in that: the crimping die body comprises two fixed modules and two movable modules; the buckle plate is divided into a left part and a right part; the fixed modules are respectively fixed on the left buckle plate and the right buckle plate, and the movable modules are respectively connected with the left buckle plate and the right buckle plate through shaft pins, so that the movable modules can rotate along the shaft pins. The crimping die with the structure has the advantages of simple structure, convenience in use and high crimping quality. The crimping pliers with the structure adopt gear transmission to realize crimping work, and can effectively ensure the consistency requirement after crimping; the quick die change structure fully improves the die change efficiency and effectively saves the die change time.

Description

Pipeline crimping die and pipeline crimping pincers

Technical Field

The utility model relates to a device for pipe connection.

Background

Pipe fittings (such as copper pipes, composite pipes, stainless steel thin-walled pipes and the like) are widely applied to the field of pipeline transportation of water supply, heating, gas supply and the like. Inevitably, two pipes, tubes, need to be connected in use. The connection operation should be as easy and safe as possible and it is necessary to ensure perfect tightness for as long a time as possible. Currently, a crimping pliers is generally used for crimping two pipe fittings, however, due to different crimping modes required by various pipelines, a plurality of crimping dies are required. The existing crimping die is generally of a six-petal structure, the structure is complex, and the processing difficulty is high. In addition, the existing crimping pliers are inconvenient to replace a crimping die, a large amount of time is consumed, and the working progress is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a pipeline crimping die and pipeline crimping pincers, this pipeline crimping die simple structure; the crimping pliers can conveniently and quickly replace a crimping die according to requirements.

For solving the above technical problem, the technical scheme of the utility model is that: a pipeline crimping die comprises a crimping die body, wherein the crimping die body comprises two fixed modules and a movable module; the buckle plate is divided into a left part and a right part; the fixed modules are respectively fixed on the left buckle plate and the right buckle plate, and the movable modules are respectively connected with the left buckle plate and the right buckle plate through shaft pins, so that the movable modules can rotate along the shaft pins.

As an improvement, the movable modules on the left buckle plate and the right buckle plate are adjacent when being spliced. If not set up movable mould piece, the compound die department can produce the fold and influence crimping quality when the crimping.

As an improvement, a return spring is arranged between the fixed module and the movable module. After the crimping is finished, the reset spring can push the movable module away from the original position, so that the next crimping is facilitated.

Preferably, the side surface of the fixed module adjacent to the movable module is provided with a mounting hole, and the return spring is arranged in the mounting hole.

As an improvement, the two movable modules are respectively provided with a notch and a lug which are matched with each other; and the two fixing modules are also respectively provided with a notch and a lug which are matched with each other. So that the snap joint is tighter when the pressure welding is carried out.

Preferably, the crimping die body comprises three crimping dies, namely a double-clamping die, an annular crimping die, a hexagonal thread die and a clamping and sticking die. Of course, various crimping dies can be included and replaced according to actual requirements.

The utility model also provides a pipeline crimping tong, which comprises a left tong body, a right tong body and the pipeline crimping die; the left and right clamp bodies are connected with the connecting piece by using a shaft pin and can rotate along the shaft pin; the adjacent positions of the middle parts of the left and right clamp bodies are provided with teeth which can be meshed with each other; notches for mounting a pipeline compression mould are formed in the clamp jaws of the left clamp body and the right clamp body; the edge of the notch is provided with a locking pin, and a buckling plate of the pipeline compression joint die is provided with a pin hole matched with the locking pin.

As an improvement, the notches of the left and right clamp bodies can be spliced into a hexagonal inner hole, and the outer contour of the crimping die body of the pipeline crimping die is also hexagonal. The rotation of the crimping die is prevented when crimping is carried out.

The utility model discloses an useful part lies in: the crimping die with the structure has the advantages of simple structure and high crimping quality. The crimping pliers with the structure adopt gear transmission to realize crimping work, and can effectively ensure the consistency requirement after crimping; the quick die change structure fully improves the die change efficiency and effectively saves the die change time. The universal functions of the ring pressing module, the clamping module, the hexagonal thread module and the clamping module are integrated, so that the crimping cost is greatly reduced.

Drawings

Fig. 1 is a schematic diagram of the middle pressure welding pliers and the pressure welding die of the present invention after being combined.

Figure 2 is a schematic view of a crimping tong.

FIG. 3 is a schematic view of a crimping die.

FIG. 4 is a cross-sectional view of a dual card stamper.

Fig. 5 is a cross-sectional view of the ring press die.

Fig. 6 is a sectional view of the hexagonal screw die and the sticking die.

The labels in the figure are: 1, a clamp body, 2 connecting pieces, 3 pin shafts, 4 locking pins, 5 pipeline compression molds and 6 notches; the device comprises a 51 buckle, a 52 crimping die body, a 521 fixed module, a 522 movable module, a 523 pin shaft and a 524 return spring.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.

As shown in fig. 1-6, the utility model provides a pipe crimping die, which comprises a crimping die body 52, wherein the crimping die body 52 comprises two fixed modules 521 and two movable modules 522; the novel LED lamp also comprises a pinch plate 51, wherein the pinch plate 51 comprises a left part and a right part; the fixed module 521 is respectively fixed on the left buckle plate 51 and the right buckle plate 51, and the movable module 522 is also respectively connected with the left buckle plate 51 and the right buckle plate 51 through a pin 523, so that the movable module 522 can rotate along the pin 523.

The movable modules 522 on the left buckle plate 51 and the right buckle plate 51 are adjacent when being spliced. A return spring 524 is disposed between the fixed module 521 and the movable module 522. The side of the fixed module 521 adjacent to the movable module 522 is provided with a mounting hole, and the return spring 524 is arranged in the mounting hole. The two movable modules 522 are respectively provided with a notch and a lug which are matched with each other; the two fixing modules 521 are also respectively provided with a notch and a projection which are matched with each other.

In this embodiment, the crimping die body 52 includes four, which are a double-clamping die, an annular crimping die, a hexagonal screw die, and a clamping die.

The utility model also provides a pipeline crimping pliers, which comprises a left pliers body 1, a right pliers body 1 and the pipeline crimping die 5; the left and right clamp bodies 1 are connected with the connecting piece 2 by a pin shaft 3 and can rotate along the pin shaft 2; the adjacent positions of the middle parts of the left and right clamp bodies 1 are provided with teeth which can be meshed with each other; the clamp jaws of the left clamp body and the right clamp body 1 are provided with notches 6 for mounting a pipeline compression mould 5; the edge of the notch 6 is provided with a locking pin 4, and a buckling plate 51 of the pipeline crimping die 5 is provided with a pin hole matched with the locking pin 4. The notches 6 of the left and right clamp bodies 1 can be spliced to form a hexagonal inner hole, and the outer contour of the crimping die body 52 of the pipeline crimping die 5 is also hexagonal.

When the pipe crimping die is used, a proper pipe crimping die 5 is selected according to requirements, the crimping die body 52 is placed in the inner hole, and the pipe crimping die 5 is connected with the crimping pliers through the matching of the locking pin 4 and the pin hole in the buckle plate 51. Two pipe joints to be connected are placed in the crimping die body 52. The clamp body 1 is driven to close, so that the fixed module 521 and the movable module 522 are tightly spliced to generate an indentation at the pipeline joint for connection. After the force is released, the clamp body 1 is separated, and the movable module 522 and the fixed module 521 are also separated under the driving of the return spring 524, so that secondary compression joint is facilitated.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. The utility model provides a pipeline crimping mould, includes crimping mould body, its characterized in that: the crimping die body comprises two fixed modules and two movable modules; the buckle plate is divided into a left part and a right part; the fixed modules are respectively fixed on the left buckle plate and the right buckle plate, and the movable modules are respectively connected with the left buckle plate and the right buckle plate through shaft pins, so that the movable modules can rotate along the shaft pins.

2. The die for crimping pipes, according to claim 1, wherein: the movable modules on the left buckle plate and the right buckle plate are adjacent when being spliced.

3. The die for crimping pipes, according to claim 1, wherein: and a return spring is arranged between the fixed module and the movable module.

4. A die for crimping pipes according to claim 3, wherein: the side surfaces of the fixed module, which are adjacent to the movable module, are provided with mounting holes, and the reset spring is arranged in the mounting holes.

5. The die for crimping pipes, according to claim 1, wherein: the two movable modules are respectively provided with a notch and a lug which are matched with each other; and the two fixing modules are also respectively provided with a notch and a lug which are matched with each other.

6. The die for crimping pipes, according to claim 1, wherein: the crimping die body comprises three crimping dies, namely a double-clamping die, a ring crimping die, a hexagonal thread die and a clamping and sticking die.

7. A pipe crimping tong comprising left and right tong bodies and a pipe crimping die as claimed in any one of claims 1 to 6; the method is characterized in that: the left and right clamp bodies are connected with the connecting piece by using a shaft pin and can rotate along the shaft pin; the adjacent positions of the middle parts of the left and right clamp bodies are provided with teeth which can be meshed with each other; notches for mounting a pipeline compression mould are formed in the clamp jaws of the left clamp body and the right clamp body; the edge of the notch is provided with a locking pin, and a buckling plate of the pipeline compression joint die is provided with a pin hole matched with the locking pin.

8. A pipe crimping tong as claimed in claim 7, wherein: the notches of the left and right clamp bodies can be spliced to form a hexagonal inner hole, and the outer contour of the crimping die body of the pipeline crimping die is also hexagonal.