CN220066374U

CN220066374U - Thermal shrinkage crimping terminal forming die

Info

Publication number: CN220066374U
Application number: CN202321433196.4U
Authority: CN
Inventors: 孙瑞; 顾陆於; 孙晓东; 杜卫义
Original assignee: CYG Electronics Shanghai Co Ltd
Current assignee: CYG Electronics Shanghai Co Ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-21
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a thermal shrinkage crimping terminal forming die which comprises a base, a fixed column and a thimble, wherein the base, the fixed column and the thimble are sequentially connected, the outer diameters of the base, the fixed column and the thimble are sequentially reduced, the base is used for realizing the fixed installation of the die, the fixed column is used for being adaptively inserted into a thermal shrinkage pipe, and the thimble is used for being adaptively inserted into a copper pipe. According to the utility model, the red copper tube is sleeved on the thimble and is propped against the fixed column, and the heat shrinkage tube is sleeved on the fixed column and is propped against the base, so that the positioning of the red copper tube and the heat shrinkage tube is realized, the deviation of the red copper tube and the heat shrinkage tube in the processing process is avoided, and the yield is improved.

Description

Thermal shrinkage crimping terminal forming die

Technical Field

The utility model relates to the technical field of dies, in particular to a thermal shrinkage crimping terminal forming die.

Background

With the continuous development and innovation of the application field of the heat shrinkage tube, in order to facilitate the use of a client, a novel product with the crimping function and the heat shrinkage waterproof function is born, namely a crimping terminal. The crimping terminal comprises a heat shrinkage tube and a copper tube. When the crimping terminal is produced, the heat-shrinkable tube is sleeved on the copper tube and then heated, and the heat-shrinkable tube is heated and shrunk so as to be fixed on the copper tube. The processing mould among the prior art adopts integral type structure, need change processing mould when going on different specification products, the quick replacement of unable realization.

CN 210576964U-pyrocondensation crimping terminal forming die adopts the heating piece to dismantle with the shaping piece and is connected to fix through first fixing bolt, the shaping piece of different specifications is changed when being convenient for process the crimping terminal of different specifications. However, the positioning of the copper tube cannot be realized during processing of the die, and the copper tube may deviate during processing, so that the finished product is poor.

Therefore, it is necessary to design a heat-shrinkable crimping terminal molding die to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the technical problem, and provides a heat-shrinkable crimping terminal forming die which is characterized in that a red copper pipe is sleeved on a thimble and is propped against a fixed column, and a heat-shrinkable pipe is sleeved on the fixed column and is propped against a base, so that the positioning of the red copper pipe and the heat-shrinkable pipe is realized, the deviation of the red copper pipe and the heat-shrinkable pipe in the processing process is avoided, and the yield is improved.

In order to achieve the above purpose, the utility model provides a thermal shrinkage crimping terminal forming die, which comprises a base, a fixed column and a thimble which are sequentially connected, wherein the outer diameters of the base, the fixed column and the thimble are sequentially reduced, the base is used for realizing the fixed installation of the die, the fixed column is used for being adaptively inserted into a thermal shrinkage pipe, and the thimble is used for being adaptively inserted into a copper pipe.

In some embodiments, the thimble is provided with a first conical surface, and the first conical surface is disposed at one end of the thimble away from the fixed column.

In some embodiments, the fixing column is provided with a second conical surface, and the second conical surface is disposed at one end of the fixing column away from the base.

In some embodiments, a third conical surface is disposed on the base, and the third conical surface is disposed at one end of the base, which is close to the fixing column.

In some embodiments, the junction of the first conical surface and the thimble is smooth and excessive;

and/or the joint of the second conical surface and the fixed column is smooth and excessive;

and/or the joint of the third conical surface and the base is smooth and excessive.

In some embodiments, the base, the fixing post, and the thimble are in the same axial direction and are integrally formed.

In some embodiments, further comprising:

the fixed block is detachably connected with the base and used for installing the die on processing equipment.

In some embodiments, the fixing block comprises a connecting section and a fixing section, one end of the base away from the fixing column is provided with a connecting hole, and the connecting section is adapted to be inserted into the connecting hole, so that the fixing block is detachably connected with the base, and the fixing section is used for being connected with processing equipment.

In some embodiments, the connecting section is provided with an annular groove, an annular ring is arranged in the annular groove, and when the connecting section is adaptively inserted into the connecting hole, the annular ring is clamped between the annular groove and the inner wall of the connecting hole.

In some embodiments, the fixed section is provided with a threaded structure such that the fixed section is threadedly connected to a processing apparatus.

Compared with the prior art, the heat-shrinkable crimping terminal forming die provided by the utility model has the following beneficial effects:

1. according to the heat-shrinkable crimping terminal forming die provided by the utility model, the red copper pipe is sleeved on the thimble and is propped against the fixed column, the heat-shrinkable pipe is sleeved on the fixed column and is propped against the base, so that the positioning of the red copper pipe and the heat-shrinkable pipe is realized, the corresponding part of the middle red copper pipe is a heater on equipment, after heating, the red copper pipe in the middle red copper pipe is wrapped together by the shrinkage of the corresponding part of the heat-shrinkable pipe, thus a crimping terminal is formed, the red copper pipe and the heat-shrinkable pipe are prevented from generating offset in the processing process, and the yield is improved;

2. according to the heat-shrinkable crimping terminal forming die, the fixed block is detachably connected with the base, and is installed on processing equipment during processing, so that when crimping terminals with different specifications are prepared, the thimble, the fixed column and the base with different specifications are only required to be inserted on the fixed block, and the operation is convenient.

Drawings

The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

Fig. 1 is a cross-sectional view of a heat-shrinkable crimping terminal molding die of a preferred embodiment of the present utility model;

fig. 2 is a schematic structural view of a heat-shrinkable crimping terminal molding die of a preferred embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a crimp terminal of a preferred embodiment of the present utility model;

fig. 4 is a schematic view of a processing structure of a crimp terminal according to a preferred embodiment of the present utility model.

Reference numerals illustrate:

the device comprises a base 1, a fixed column 2, a thimble 3, a first conical surface 4, a second conical surface 5, a third conical surface 6, a fixed block 7, a connecting section 8, a fixed section 9, an annular groove 10, a heat shrinkage tube 11 and a copper tube 12.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present utility model, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In an embodiment, referring to fig. 1 to 4 of the drawings in the specification, the heat-shrinkable crimping terminal forming die provided by the utility model comprises a base 1, a fixed column 2 and a thimble 3 which are sequentially connected, wherein the outer diameters of the base 1, the fixed column 2 and the thimble 3 are sequentially reduced, the base 1 is used for realizing the fixed installation of the die, the fixed column 2 is used for being adaptively inserted into a heat-shrinkable tube 11, and the thimble 3 is used for being adaptively inserted into a copper tube 12.

According to the utility model, the copper tube 12 is sleeved on the thimble 3 and is propped against the fixed column 2, the heat shrinkage tube 11 is sleeved on the fixed column 2 and is propped against the base 1, so that the positioning of the copper tube 12 and the heat shrinkage tube 11 is realized, the corresponding part of the copper tube 12 in the middle is a heater on equipment, after heating, the copper tube 12 in the middle is partially shrunk by the heat shrinkage tube corresponding to the copper tube 12, and the copper tube 12 in the middle is wrapped together, so that a crimping terminal is formed, the deviation of the copper tube 12 and the heat shrinkage tube 11 in the processing process is avoided, and the yield is improved.

In one embodiment, referring to fig. 1 to 4 of the drawings, the thimble 3 is provided with a first conical surface 4, and the first conical surface 4 is disposed at an end of the thimble 3 away from the fixed column 2. The outer diameter of the thimble 3 is slightly smaller than the inner diameter of the copper tube 12, and the joint of the first conical surface 4 and the thimble 3 is smooth and excessive. By arranging the end part of the thimble 3 with an oblique angle to form a smooth slope, the copper tube 12 of the crimping terminal is prevented from propping against the end part of the thimble 3 to cause clamping in the positioning process.

The fixed column 2 is provided with a second conical surface 5, and the second conical surface 5 is arranged at one end of the fixed column 2 far away from the base 1. The external diameter of the fixed column 2 is slightly smaller than the internal diameter of the heat shrinkage tube 11, and the joint of the second conical surface 5 and the fixed column 2 is smooth and excessive. The end part of the fixing column 2 is provided with an oblique angle to form a smooth slope so as to prevent the heat shrinkage tube 11 of the crimping terminal from propping against the step formed by the fixing column 2 and the thimble 1 in the positioning process, thereby causing tube clamping.

The base 1 is provided with a third conical surface 6, the third conical surface 6 is arranged at one end of the base 1, which is close to the fixed column 2, and the joint of the third conical surface 6 and the base 1 is smooth and excessive.

Further, the base 1, the fixed column 2 and the thimble 3 are positioned on the same axis direction and are integrally processed and formed.

In one embodiment, referring to fig. 1 to 4 of the specification, the heat-shrinkable crimping terminal molding die further includes: the fixed block 7, fixed block 7 and base 1 can dismantle the connection, and fixed block 7 is used for installing the mould on processing equipment.

The fixed block 7 includes linkage segment 8 and fixed segment 9, and the one end that fixed column 2 was kept away from to base 1 is provided with the connecting hole, and in the connecting hole was located in the adaptation of linkage segment 8 for fixed block 7 can dismantle with base 1 and be connected, and fixed segment 9 is used for being connected with processing equipment.

Further, an annular groove 10 is formed in the connecting section 8, an annular ring is arranged in the annular groove 10, and when the connecting section 8 is inserted into the connecting hole in an adapting mode, the annular ring is clamped between the annular groove 10 and the inner wall of the connecting hole.

The fixing section 9 is provided with a thread structure, so that the fixing section 9 is in threaded connection with the processing equipment.

It should be noted that the specific structure of the fixing block 7 is described in the specification and the drawings, and other structures or devices may be adopted to achieve the fixing installation of the base 1 during the actual use, which is only for better illustrating the present utility model and should not be construed as limiting the present utility model.

In this embodiment, through setting up fixed block 7 and base 1 and dismantling and being connected, install fixed block 7 on processing equipment during the processing, when preparing the crimping terminal of different specifications, only need with thimble 3, fixed column 2, the base 1 of different specifications insert locate on fixed block 7 can, its simple operation.

The method for processing the crimping terminal by adopting the thermal shrinkage crimping terminal forming die comprises the following steps:

step one: fixing a fixed block 7 on equipment through a thread structure, placing a rubber ring with proper size in an annular groove 10 on the fixed block 7, sleeving a base 1 on a connecting section 8 of the fixed block 7, and connecting the base 1 and the connecting section to form a heat-shrinkable crimping terminal forming die on one side;

step two: then a set of thermal shrinkage crimping terminal forming die is assembled on the other side in the same way, the two sets of thermal shrinkage crimping terminal forming dies are parallel, and the needle heads of the ejector pins are opposite;

step three: the heat shrinkage pipe and the copper pipe are arranged between two sets of heat shrinkage crimping terminal forming dies, the outer diameter of the thimble 3 is slightly smaller than the inner diameter of the copper pipe 12, the outer diameter of the fixed column 2 is slightly smaller than the inner diameter of the heat shrinkage pipe 11, so that the copper pipe 12 can be abutted against the fixed column 2, the heat shrinkage pipe 11 is abutted against the base 1, and the copper pipe 12 and the heat shrinkage pipe 11 are relatively parallel;

step four: after the copper tube 12 and the heat-shrinkable tube 11 are propped against by the heat-shrinkable crimping terminal forming dies at two sides, heating is carried out at the corresponding position of the copper tube 12 in the middle by adopting heating equipment, and after heating, the copper tube 12 in the middle is wrapped together by shrinking the heat-shrinkable tube part corresponding to the copper tube 12, so that the crimping terminal is formed.

The dimensions of the thimble 3, the fixed column 2 and the base 1 can be changed into different specifications according to the different specifications of the crimping terminal, so that different products can be produced, and the crimping terminal is simply and conveniently operated by direct plugging and unplugging.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and the parts of a certain embodiment that are not described or depicted in detail may be referred to in the related descriptions of other embodiments.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a pyrocondensation crimping terminal forming die, its characterized in that, including base, fixed column and the thimble that connects gradually, the base the fixed column the external diameter of thimble reduces in proper order, the base is used for realizing the fixed mounting of mould, the fixed column is used for the adaptation to insert in the pyrocondensation pipe, the thimble is used for the adaptation to insert in the red copper pipe.

2. The heat-shrinkable crimping terminal molding die as claimed in claim 1, wherein,

the thimble is provided with a first conical surface, and the first conical surface is arranged at one end of the thimble away from the fixed column.

3. The heat-shrinkable crimping terminal molding die as claimed in claim 2, wherein,

the fixing column is provided with a second conical surface, and the second conical surface is arranged at one end, far away from the base, of the fixing column.

4. The heat-shrinkable crimping terminal molding die as claimed in claim 3, wherein,

the base is provided with a third conical surface, and the third conical surface is arranged at one end, close to the fixed column, of the base.

5. The heat-shrinkable crimping terminal molding die of claim 4, wherein,

the joint of the first conical surface and the thimble is smooth and excessive;

6. The heat-shrinkable crimping terminal molding die of claim 5, wherein,

the base, the fixed column and the thimble are positioned on the same axis direction and are integrally processed and formed.

7. The heat-shrinkable crimping terminal molding die according to any one of claims 1 to 6, further comprising:

8. The heat-shrinkable crimping terminal molding die of claim 7, wherein,

the fixed block comprises a connecting section and a fixing section, wherein a connecting hole is formed in one end, far away from the fixing column, of the base, the connecting section is adaptively inserted into the connecting hole, the fixing block is detachably connected with the base, and the fixing section is used for being connected with processing equipment.

9. The heat-shrinkable crimping terminal molding die of claim 8, wherein,

the connecting section is provided with an annular groove, an annular ring is arranged in the annular groove, and when the connecting section is adaptively inserted into the connecting hole, the annular ring is clamped between the annular groove and the inner wall of the connecting hole.

10. The heat-shrinkable crimping terminal molding die of claim 9, wherein,

the fixed section is provided with a thread structure, so that the fixed section is in threaded connection with processing equipment.