Closed multidirectional die forging die for T-shaped copper bar

Abstract

The utility model discloses a closed multi-directional die forging die for a T-shaped copper bar, relates to the technical field of die forging dies for the T-shaped copper bar, and aims to solve the problems that two sets of dies are needed in the existing process, the manufacturing cost is increased, flash exists during forming, a trimming procedure needs to be carried out subsequently, raw materials are wasted, the production cost is reduced, and the like. According to the technical scheme, the mold is characterized by comprising an upper mold base plate and a lower mold base plate, a lower mold is arranged on the upper surface of the upper mold base plate, a lower mold cavity is formed in the upper surface of the lower mold, an upper mold is arranged on the lower surface of the upper mold base plate, and an upper mold cavity is formed in the lower surface of the upper mold; the upper die cavity corresponds to the lower die cavity in position, and a punch is arranged on one side of the lower die. The effects that integral extrusion forming can be achieved, raw material waste is avoided, and meanwhile the finished product is attractive in appearance, free of flash, small in cutting machining allowance and low in manufacturing cost are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of T-shaped copper bar forging dies, in particular to a closed multi-directional forging die for a T-shaped copper bar. Background Art

[0002] As an industrial product, T-type copper busbar has a large market demand. In order to meet the market demand, the factory adopts die forging manufacturing process to carry out mass production of products. Traditional die forging adopts two processes, the first process is roughening and the second process is forming.

[0003] The existing process requires two sets of molds, which increases the production cost. There are flashes during molding, and the subsequent trimming process causes waste of raw materials. There are also folding defects in the molded products. Utility Model Content

[0004] The utility model aims to provide a closed multi-directional forging die for a T-shaped copper bar which can be extruded in one piece to avoid the waste of raw materials. Meanwhile, the finished product has beautiful appearance, no flash, less cutting allowance and low production cost.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A closed multi-directional die forging die for a T-shaped copper busbar comprises an upper die pad and a lower die pad, wherein a lower die is arranged on the upper surface of the upper die pad, a lower model cavity is arranged on the upper surface of the lower die, an upper die is arranged on the lower surface of the upper die pad, an upper model cavity is arranged on the lower surface of the upper die, the upper model cavity corresponds to the lower model cavity, a punch is arranged on one side of the lower die, and one end of the punch is placed inside the matched upper and lower model cavities.

[0007] By adopting the above technical solution, the T-shaped copper busbar can be extruded in one piece, avoiding multiple processing steps and operations, thereby effectively avoiding the waste of raw materials.

[0008] Furthermore, a second side cylinder gasket is provided on one side of the lower die, a second flange sleeve is installed on one outer surface of the second side cylinder gasket, a first punch seat is installed on one outer surface of the second flange sleeve, and one end of the punch is fixedly connected to the side surface of the first punch seat.

[0009] By adopting the above technical solution, the position stability of the punch can be effectively improved.

[0010] Furthermore, a first side cylinder gasket is provided on one side of the lower die, a first flange sleeve is installed on the side surface of the first side cylinder gasket, and a second punch seat is installed on the outer surface of one side of the first flange sleeve.

[0011] By adopting the above technical solution, lateral displacement of the upper die and the lower die can be avoided during processing.

[0012] Furthermore, two ejector pin holes are arranged on the inner end surface of the lower mold cavity, and a first ejector pin and a second ejector pin are inserted inside the two ejector pin holes.

[0013] By adopting the above technical solution, the first ejector pin and the second ejector pin can be used to eject the finished product when the product is completed.

[0014] Furthermore, an upper mold pressing plate groove is provided on the symmetrical side surfaces of the upper mold.

[0015] By adopting the above technical solution, the upper mold can be effectively limited and fixed.

[0016] Furthermore, a lower die pressing plate groove is provided on the symmetrical side surfaces of the lower die.

[0017] By adopting the above technical solution, the lower mold can be effectively limited and fixed.

[0018] In summary, the beneficial technical effects of the utility model are:

[0019] When processing the T-shaped copper bar, the utility model heats one end of a rectangular raw material, and then places it inside a lower mold cavity, then closes an upper mold and a lower mold, so that the raw material is placed inside the upper mold cavity and the lower mold cavity, then extends a side cylinder, so that one end of a punch is placed in the closed upper mold cavity and the lower mold cavity, and the raw material is squeezed at the same time, so that the T-shaped copper bar can be quickly formed. The mold replaces the traditional processing method of first roughening and then forming, and also effectively avoids the waste of raw materials caused by multiple processing steps, and avoids the folding in the finished product. At the same time, the T-shaped copper bar produced by the mold has no flash, less cutting processing allowance, and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is the internal structure diagram of the utility model.

[0022] In the figure: 1. upper die; 2. lower die; 3. punch; 4. upper model cavity; 5. lower model cavity; 6. first ejector; 7. second ejector; 8. upper die pad; 9. lower die pad; 10. first side cylinder pad; 11. second side cylinder pad; 12. first flange sleeve; 13. second flange sleeve; 14. first punch seat; 15. second punch seat; 16. upper die plate groove; 17. lower die plate groove. DETAILED DESCRIPTION

[0023] The method of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] Reference Figure 1 , Figure 2 A closed multi-directional die forging die for a T-shaped copper bar, comprising an upper die pad 8 and a lower die pad 9, a lower die 2 is arranged on the upper surface of the upper die pad 8, a lower mold cavity 5 is arranged on the upper surface of the lower die 2, an upper die 1 is arranged on the lower surface of the upper die pad 8, an upper mold cavity 4 is arranged on the lower surface of the upper die 1, the upper mold cavity 4 corresponds to the lower mold cavity 5, a punch 3 is arranged on one side of the lower die 2, one end of the punch 3 is placed inside the matched upper mold cavity 4 and the lower mold cavity 5, a second side cylinder pad 11 is arranged on one side of the lower die 2, a second flange sleeve 13 is installed on one side outer surface of the second side cylinder pad 11, a first punch seat 14 is installed on one side outer surface of the second flange sleeve 13, one end of the punch 3 is fixedly connected On the side surface of the first punch seat 14, when processing the T-shaped copper busbar, one end of the rectangular raw material is heated and then placed inside the lower mold cavity 5, and then the upper mold 1 and the lower mold 2 are matched so that the raw material is placed inside the upper mold cavity 4 and the lower mold cavity 5, and then the side cylinder is extended so that one end of the punch 3 is placed in the matched upper mold cavity 4 and the lower mold cavity 5, and the raw material is squeezed at the same time, so that the T-shaped copper busbar can be quickly formed. The mold replaces the traditional processing method of roughening first and then forming, and also effectively avoids the waste of raw materials caused by multiple processing steps, and avoids folding in the finished product. At the same time, the T-shaped copper busbar produced by the mold has no flash, less cutting allowance, and low production cost.

[0025] Reference Figure 1 A first side cylinder gasket 10 is provided on one side of the lower die 2, a first flange sleeve 12 is installed on the side surface of the first side cylinder gasket 10, and a second punch seat 15 is installed on the outer surface of one side of the first flange sleeve 12, wherein during processing, the second punch seat 15 can be attached to the side surfaces of the upper die 1 and the lower die 2, so as to improve the position stability of the die during processing and avoid lateral position movement of the die.

[0026] Reference Figure 2 Two ejector holes are arranged on the inner end surface of the lower mold cavity 5, and the first ejector pin 6 and the second ejector pin 7 are inserted inside the two ejector holes. After the copper busbar is processed, the external lifting mechanism can lift the first ejector pin 6 and the second ejector pin 7, and then lift the finished product to facilitate discharge.

[0027] Reference Figure 1 An upper mold pressing plate groove 16 is provided on the symmetrical side surface of the upper mold 1, and a lower mold pressing plate groove 17 is provided on the symmetrical side surface of the lower mold 2, wherein the pressing plate can be used to limit and fix the upper mold 1 and the lower mold 2.

[0028] Working principle: When in use, first install the mold at the specified position. After the installation is completed, the one-piece molding operation can be carried out. This is to first heat one end of the bar stock, and then place the heated bar stock in the lower model cavity 5, and then align the upper mold 1 and the lower mold 2, so that the bar stock is placed in the aligned upper model cavity 4 and the lower model cavity 5, and then extend the side cylinder so that the second punch seat 15 can be attached to the side surface of the aligned upper mold 1 and the lower mold 2, and then place one end of the punch 3 in the aligned upper model cavity 4 and the lower model cavity 5, and extrude the bar stock, which can perform an one-piece extrusion molding operation. After molding is completed, the side cylinder is reset and the upper mold 1 is lifted at the same time, and then the first ejector pin 6 and the second ejector pin 7 are lifted externally, and then the finished product is lifted for easy discharge.

[0029] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A closed multi-directional forging die for a T-shaped copper bar, comprising an upper die pad (8) and a lower die pad (9), characterized in that: A lower die (2) is arranged on the upper surface of the upper die pad (8), a lower model cavity (5) is arranged on the upper surface of the lower die (2), an upper die (1) is arranged on the lower surface of the upper die pad (8), an upper model cavity (4) is arranged on the lower surface of the upper die (1), the upper model cavity (4) and the lower model cavity (5) are located correspondingly, a punch (3) is arranged on one side of the lower die (2), and one end of the punch (3) is placed inside the matched upper model cavity (4) and lower model cavity (5).

2. The closed multi-directional forging die for a T-shaped copper busbar according to claim 1, characterized in that: A second side cylinder gasket (11) is provided on one side of the lower die (2); a second flange sleeve (13) is mounted on one side outer surface of the second side cylinder gasket (11); a first punch seat (14) is mounted on one side outer surface of the second flange sleeve (13); and one end of the punch (3) is fixedly connected to the side surface of the first punch seat (14).

3. The closed multi-directional forging die for a T-shaped copper busbar according to claim 1, characterized in that: A first side cylinder gasket (10) is provided on one side of the lower die (2), a first flange sleeve (12) is mounted on the side surface of the first side cylinder gasket (10), and a second punch seat (15) is mounted on the outer surface of one side of the first flange sleeve (12).

4. The closed multi-directional forging die for a T-shaped copper busbar according to claim 1, characterized in that: Two ejector pin holes are arranged on the inner end surface of the lower mold cavity (5), and a first ejector pin (6) and a second ejector pin (7) are inserted into the two ejector pin holes.

5. The closed multi-directional forging die for a T-shaped copper busbar according to claim 1, characterized in that: An upper die pressing plate groove (16) is provided on the symmetrical side surfaces of the upper die (1).

6. The closed multi-directional forging die for a T-shaped copper busbar according to claim 1, characterized in that: A lower die pressing plate groove (17) is provided on the symmetrical side surfaces of the lower die (2).

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