A method for making a small angle copper nose

By improving the copper nose production method, the integrated molding of small corner design and double-layer stamping mold are used to solve the problems of low production efficiency, high cost and unstable quality of existing copper noses, and the miniaturization, cost saving and improved fixity of copper noses are achieved.

CN112803183BActive Publication Date: 2025-04-11ZHE JIANG TIAN LI CHUANG DUAN ZI YOU XIAN GONG SI
View PDF 5 Cites 0 Cited by

Patent Information

Application Number
CN202110141527.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-02
Publication Date
2025-04-11
Estimated Expiration
2041-02-02

AI Technical Summary

Technical Problem

The existing copper nose is inefficient, costly, and irregular bending deformation during the production process, resulting in unstable product quality and unable to meet standardized management requirements.

Method used

By improving the copper nose production method, a small curved corner design is adopted to eliminate the transition part between the line compartment and the nose wing, and a double-layer stamping mold is used to form a fixed connection between the nose wing and the line compartment.

Benefits of technology

It realizes miniaturization and cost saving of copper noses, improves product stability and fixation, and solves the problems of waste of resources and stamping of connection parts.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN112803183B_ABST
    Figure CN112803183B_ABST
Patent Text Reader

Abstract

The invention discloses a method for manufacturing a small-sized copper nose with an angle, wherein the copper nose comprises a wire bin and a nose wing, and is characterized in that the wire bin and the nose wing are fixedly connected, one side end face of the nose wing is tangent to the outer circular edge of the wire bin, and a cutting hole is arranged at the bottom of the wire bin, and the cutting hole is used for stamping and shaping of the nose wing and reducing the thickness of a connecting buffer structure between the nose wing and the wire bin. Compared with the prior art, the present invention improves the processing structure so that the transition part between the wire bin and the nose wing is basically non-existent, and secondly, the nose wing of the present product is tangent to the edge of the wire bin, so that the copper nose produced by the present invention is more stable when fixed to the equipment, thus solving the problem of resource waste in the connecting part in the current copper nose processing, and compared with the existing copper nose, it greatly saves materials, reduces the volume, and reduces the production cost and transportation cost.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of connection terminals, in particular to a small-sized copper nose with an angle, and also to a method for manufacturing the small-sized copper nose with an angle. Background Art

[0002] Copper nose, also known as wire nose, copper wiring nose, copper tube nose, terminal block, etc., is an important connector used to connect wires and cables to electrical equipment.

[0003] In the past, the production of copper nose products was inefficient, costly, and required a lot of manpower. In particular, the existing copper noses were usually made by bending copper tubes. However, due to various reasons, the bending deformation became irregular, and batch-produced products also had differences and unstable quality, which did not conform to the concept of standardized management of production products. Summary of the invention

[0004] The purpose of the present invention is to provide a small-sized curved copper nose and a manufacturing method thereof. By improving the manufacturing method, the copper nose manufactured by this scheme is more miniaturized than the existing copper nose, especially eliminating the transition part between the wire bin and the nose wing, thereby greatly saving the volume of the copper nose itself and the material cost.

[0005] In response to the above, the present invention discloses a small angled copper nose, comprising a wire bin and a nose wing, characterized in that the wire bin and the nose wing are fixedly connected, one side end face of the nose wing is tangent to the outer circular edge of the wire bin, and the nose wing is arranged with a corner relative to the wire bin, and a cutting hole is arranged at the bottom of the wire bin, and the cutting hole is used for stamping and shaping of the nose wing and reducing the thickness of the connecting buffer structure between the nose wing and the wire bin.

[0006] As a further configuration of the above solution, the material of the buffer portion connecting the wire bin and the nose wing has a bevel angle.

[0007] A method for making a small angle copper nose, characterized in that it comprises the following steps:

[0008] 1) Prepare tubular copper material as the raw material of the copper nose and treat the surface of the copper tube;

[0009] 2) Place the prepared copper tube on the bending die and start the die to bend the copper tube;

[0010] 3) After the bending process is completed, take it out and draw the incision line on the copper tube according to the design size, and use the cutting equipment to perform incision along the incision line;

[0011] 4) After the incision is completed, take out the bent pipe and put it into the upper die cavity of the double-layer stamping die, start the stamping machine to make the upper die stamp along the incision position to form the nose wing;

[0012] 5) After the nose wing is stamped, raise the ejector pin of the punching machine, remove the elbow with the nose wing from the upper die cavity and put it into the lower die cavity, start the punching machine again, and cut off the bolt holes for fixing the nose wing and the excess materials around it through the middle die of the double-layer stamping die;

[0013] 6) After the second stamping is completed, take out the workpiece for surface treatment to obtain a complete copper nose.

[0014] Preferably, the double-layer stamping die is provided with an upper layer die cavity and a lower layer die cavity, and a push rod penetrating the upper layer die cavity and connecting the lower layer die cavity is also provided in the double-layer stamping die.

[0015] Preferably, the upper mold cavity and the lower mold cavity can work simultaneously to punch workpieces of different progress.

[0016] Preferably, after the nose wing is made in step 4), the incision is formed into a hole due to the copper tube being flattened, the incision is 1 / 3 of the diameter of the copper tube, and an angled surface structure is provided between the hole and the nose wing to strengthen the connection.

[0017] Beneficial effect: Compared with the prior art, this solution achieves integrated molding through round tube processing, and improves the processing technology structure so that the transition part between the wire bin and the nose wing is basically non-existent. Secondly, the nose wing of this product is tangent to the edge of the wire bin, so that the copper nose produced by this solution is more stable when fixed on the equipment. It solves the problems of resource waste in the connecting part, difficult stamping and easy damage in the current copper nose processing through simple incision stamping. Compared with the existing copper nose, it greatly saves materials, reduces the volume, and reduces production and transportation costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the side structure of the copper nose of this scheme.

[0019] Figure 2 This is a schematic diagram of the front structure of the copper nose of this scheme.

[0020] Description of the accompanying drawings: 1. Wire bin; 2. Nose wing; 3. Cut hole; 4. Bolt hole. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] like Figure 1-2A small angled copper nose is shown, comprising a wire bin 1 and a nose wing 2, characterized in that the wire bin 1 and the nose wing 2 are fixedly connected, one side end face of the nose wing 2 is tangent to the outer circular edge of the wire bin 1, and the nose wing 2 has a corner setting relative to the wire bin 1, and a cutting hole 3 is provided at the bottom of the wire bin 1, and the cutting hole 3 is used for stamping and shaping of the nose wing 2 and reducing the thickness of the connection buffer structure between the nose wing 2 and the wire bin 1.

[0023] As a further configuration of the above solution, the material of the buffer portion connecting the wire bin 1 and the nose wing 2 has a bevel angle.

[0024] A method for making a small angle copper nose, characterized in that it comprises the following steps:

[0025] 1) Prepare tubular copper material as the raw material of the copper nose and treat the surface of the copper tube;

[0026] 2) Place the prepared copper tube on the bending die and start the die to bend the copper tube;

[0027] 3) After the bending process is completed, take it out and draw the incision line on the copper tube according to the design size, and use the cutting equipment to perform incision along the incision line;

[0028] 4) After the incision is completed, take out the bent pipe and put it into the upper die cavity of the double-layer stamping die, start the stamping machine so that the upper die is stamped along the incision position to form the nose 2;

[0029] 5) After the nose wing 2 is stamped, the push rod of the punching machine is raised, and the elbow with the nose wing 2 is removed from the upper die cavity and placed in the lower die cavity. The punching machine is started again, and the fixing bolt hole 4 of the nose wing 2 and the surrounding excess material are cut off through the middle die of the double-layer stamping die;

[0030] 6) After the second stamping is completed, take out the workpiece for surface treatment to obtain a complete copper nose.

[0031] Preferably, the double-layer stamping die is provided with an upper layer die cavity and a lower layer die cavity, and a push rod penetrating the upper layer die cavity and connecting the lower layer die cavity is also provided in the double-layer stamping die.

[0032] Preferably, the upper mold cavity and the lower mold cavity can work simultaneously to punch workpieces of different progress.

[0033] Preferably, after the nose wing 2 is made in step 4), the cut is flattened to form a cut hole 3 due to the copper tube being flattened. The cut is 1 / 3 of the diameter of the copper tube, and an angled surface structure is provided between the cut hole 3 and the nose wing 2 to strengthen the connection.

[0034] Compared with the prior art, this solution integrates the round tube into an integrated shape and improves the processing technology structure so that the transition part between the wire bin and the nose wing is basically non-existent. Secondly, the nose wing of this product is tangent to the edge of the wire bin, so that the copper nose produced by this solution is more stable when fixed on the equipment. It solves the problems of resource waste at the connection part, difficult stamping and easy damage in the current copper nose processing through simple incision stamping. Compared with the existing copper nose, it greatly saves materials, reduces the volume, and reduces production and transportation costs.

[0035] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0036] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for making a small angle copper nose, characterized in that: The steps include: 1) Prepare tubular copper material as the raw material of the copper nose and treat the surface of the copper tube; 2) Place the prepared copper tube on the bending die and start the die to bend the copper tube; 3) After the bending process is completed, take it out and draw the incision line on the copper tube according to the design size, and use the cutting equipment to perform incision along the incision line; 4) After the incision is completed, the bent tube is removed and placed into the upper die cavity of the double-layer stamping die, and the stamping machine is started so that the upper die is stamped along the incision position to form a nose wing (2). The incision is formed by flattening the copper tube to form a cut hole (3). The incision is 1 / 3 of the diameter of the copper tube, and an angled surface structure is provided between the cut hole (3) and the nose wing (2) to strengthen the connection; 5) After the nose wing (2) is stamped, the push rod of the punching machine is raised, and the bent pipe with the nose wing (2) is removed from the upper die cavity and placed in the lower die cavity. The punching machine is started again, and the fixing bolt hole (4) of the nose wing (2) and the surrounding excess material are cut off through the middle die of the double-layer stamping die; 6) After the second stamping is completed, take out the workpiece for surface treatment to obtain a complete copper nose.

2. The method for making a small angle copper nose according to claim 1, characterized in that: The double-layer stamping die is provided with an upper layer die cavity and a lower layer die cavity, and a push rod penetrating the upper layer die cavity and connecting the lower layer die cavity is also provided in the double-layer stamping die.

3. The method for making a small angle copper nose according to claim 2, characterized in that: The upper die cavity and the lower die cavity can work simultaneously to punch workpieces of different progress.

Citation Information

Patent Citations

  • Simplified line nose manufacturing technology

    CN107443014A

  • Copper-aluminum composite wire nose and preparation method thereof

    CN112186377A

  • Large-current non-standard terminal

    CN210607684U

  • Small-sized bent copper nose

    CN213936614U

  • Electrical terminal connector

    US3973823A