Stamping and cutting die for alloy resistor

Abstract

The utility model discloses a stamping cutting die for alloy resistor, including support plate and alloy resistor body, the support plate is fixedly provided with lower die, the support plate is fixedly installed on the support plate and outside the lower die, the inner top of the support plate is fixedly provided with a hydraulic cylinder, the hydraulic cylinder is fixedly installed on the support plate, and the lower die is fixedly installed on the support plate. A hydraulic cylinder is arranged on the support plate, a lifting block is fixedly installed on an output shaft of the hydraulic cylinder, the lifting block and the support plate are installed in a sliding mode, a cutter is arranged on the lower end face of the lifting block, and the alloy resistor is cut through the cutter. In the using process, the cutter on the lifting block is driven by the hydraulic cylinder to descend, when the cutter makes contact with an alloy resistor body, the lower pressing plate can press the alloy resistor body downwards through the counter-acting force of the reset spring, and when the cutter descends deeper, the pressing and fixing effect of the lower pressing plate on the alloy resistor body is better; therefore, the alloy resistor body is ensured not to have the phenomenon of position offset when being segmented.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping and cutting dies, in particular to a stamping and cutting die for alloy resistors. Background Art

[0002] Alloy resistors are resistors that use alloys as current media and are often used to sample current in circuits. They are used to feedback the changing current in the circuit in order to further control or influence the current changes. They are mainly used in products such as battery protection boards, power supplies, inverters, lamps, motors, etc.

[0003] In the prior art, a stamping and cutting die for alloy resistors is disclosed with publication number "CN217018173U", which can clamp and fix the cutting knife by setting a clamping and fixing mechanism, so that the cutting knife can be disassembled and replaced conveniently. The distance between the clamping and fixing mechanisms can be adjusted by loosening the first locking knob and moving the slide plate left and right, so that the distance between the cutting knives can be regulated. The alloy resistors can be cut into different lengths according to the requirements, and the cutting efficiency is high. By setting the measuring scale line, the distance between the cutting knives can be precisely regulated to meet different cutting requirements, and the problem of poor stamping and cutting effect of the stamping and cutting die for alloy resistors, which easily causes large fluctuations in resistance value, and the distance between the cutting knives is not easy to regulate, which cannot meet different cutting requirements is solved.

[0004] However, the above technologies still have major shortcomings, such as:

[0005] When the cutter cuts the alloy resistor, the number of cutters is large and the alloy resistor needs to be cut into multiple pieces. Since the positions of the multiple alloy resistors to be cut cannot be fixed, the quality of the cut alloy resistors is easily deteriorated.

[0006] After the multiple alloy resistors are cut, it is inconvenient for personnel to extract the alloy resistors on the lower mold because the surfaces of the alloy resistors are smooth. Utility Model Content

[0007] The utility model aims to provide a stamping and cutting die for alloy resistors to solve the problems raised in the above background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A stamping and cutting die for alloy resistors, comprising a support plate and an alloy resistor body, wherein a lower die is fixedly arranged on the support plate, a bracket plate is fixedly installed on the support plate and on the outer side of the lower die, a hydraulic cylinder is fixedly installed on the inner top of the bracket plate, a lifting block is fixedly installed on the output shaft of the hydraulic cylinder, the lifting block is slidably installed with the bracket plate, a cutter is arranged on the lower end surface of the lifting block, and the alloy resistor is cut by the cutter;

[0010] Positioning components are arranged on the lower end surface of the lifting block and on both sides of the cutter, and the positioning components are used to facilitate the position pressing and fixing of the part of the alloy resistor body to be cut.

[0011] Preferably, the positioning assembly includes a limit groove, which is arranged inside the lifting block, and a sliding block is slidably installed inside the limit groove, and two symmetrically arranged lower pressure plates are fixedly installed on the lower end surface of the sliding block, and a return spring is fixedly installed on the upper end surface of the sliding block, and the end of the return spring away from the sliding block is installed on the inner top of the limit groove.

[0012] Preferably, the two lower pressing plates extend to the outside of the lifting block through the through slot, and the lower end surfaces of the two lower pressing plates and the lower end surface of the cutter are in the same horizontal direction.

[0013] Preferably, an exhaust pipe is fixedly installed on the inner top of the bracket plate and on the outside of the hydraulic cylinder, a sliding rod is slidably installed on the exhaust pipe, a piston is fixedly installed on one end of the sliding rod, a push plate is fixedly installed on the other end of the sliding rod, the push plate is fixedly installed on the upper end surface of the lifting block, an exhaust port is provided on the exhaust pipe, and the exhaust port is connected to an exhaust assembly.

[0014] Preferably, the exhaust assembly comprises an exhaust block, a collecting groove is provided in the exhaust block, and the collecting groove is connected to the outside through the exhaust groove;

[0015] The exhaust block is connected with a through pipe, and one end of the through pipe away from the exhaust block is connected with the exhaust port.

[0016] Preferably, an air intake pipe is provided on the exhaust pipe, and both the air intake pipe and the through pipe are provided with a one-way valve.

[0017] Preferably, a protective pad is provided on the lower end surface of the lower pressing plate, and the material used for the protective pad is rubber.

[0018] Preferably, two symmetrically arranged support blocks are fixedly mounted on the lower end surface of the support plate.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. Through the setting of the positioning component and the driving of the hydraulic cylinder, the cutter on the lifting block is lowered. When the cutter contacts the alloy resistor body, the lower pressure plate will press down the alloy resistor body through the reaction force of the reset spring. The deeper the cutter descends, the better the pressing effect of the lower pressure plate on the alloy resistor body, thereby ensuring that the alloy resistor body will not be offset when being cut;

[0021] 2. Through the setting of the exhaust block, when the lifting block descends, it will drive the piston on the sliding rod to slide in the exhaust cylinder. At this time, the exhaust cylinder is in a state of exhausting. When the lifting block rises, the gas in the exhaust cylinder will enter the exhaust block through the through pipe, and then directly impact the cut alloy resistor body through the exhaust groove on the exhaust block. The impacted part of the alloy resistor body will directly extend out of the mold, which is convenient for personnel to extract and improve the practicality of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is shown as a whole Figure 1 ;

[0023] Figure 2 The utility model is shown as a whole Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the internal structure of the lifting block in the utility model;

[0025] Figure 4 This is a schematic diagram of the internal structure of the exhaust pipe in the utility model;

[0026] Figure 5 It is a structural schematic diagram of the exhaust block in the utility model.

[0027] In the figure: 1. support plate; 2. alloy resistor body; 3. lower mold; 4. bracket plate; 5. hydraulic cylinder; 6. lifting block; 7. cutter; 8. limit groove; 9. sliding block; 10. lower pressure plate; 11. reset spring; 12. exhaust pipe; 13. sliding rod; 14. piston; 15. push plate; 16. exhaust port; 17. exhaust block; 18. exhaust groove; 19. through pipe; 20. one-way valve; 21. intake pipe; 22. protective pad; 23. support block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 , the utility model provides a technical solution: Example

[0030] A stamping and cutting die for alloy resistors, comprising a support plate 1 and an alloy resistor body 2, wherein two symmetrically arranged support blocks 23 are fixedly installed on the lower end surface of the support plate 1, and a hydraulic system and a control panel can be installed on a bracket plate 4, which is a conventional technical means in this field and will not be described in detail here, wherein a lower die 3 is fixedly arranged on the support plate 1, and a bracket plate 4 is fixedly installed on the support plate 1 and on the outer side of the lower die 3, and a hydraulic cylinder 5 is fixedly installed on the inner top of the bracket plate 4, and a lifting block 6 is fixedly installed on the output shaft of the hydraulic cylinder 5, and the lifting block 6 is slidably installed with the bracket plate 4 to ensure the stability of the lifting block 6 during lifting, and a cutter 7 is arranged on the lower end surface of the lifting block 6, and the alloy resistor is cut by the cutter 7;

[0031] A positioning assembly is provided on the lower end surface of the lifting block 6 and on both sides of the cutter 7, and the positioning assembly is used to facilitate the position pressing and fixing of the part to be cut of the alloy resistor body 2; the positioning assembly includes a limit groove 8, the limit groove 8 is arranged inside the lifting block 6, and a sliding block 9 is slidably installed inside the limit groove 8, and two symmetrically arranged lower pressure plates 10 are fixedly installed on the lower end surface of the sliding block 9, and the two lower pressure plates 10 are extended to the outside of the lifting block 6 through the through groove, and the lower end surfaces of the two lower pressure plates 10 are in the same horizontal direction as the lower end surface of the cutter 7, and a protective pad 22 is provided on the lower end surface of the lower pressure plate 10, and the material used for the protective pad 22 is rubber, and a reset spring 11 is fixedly installed on the upper end surface of the sliding block 9, and the end of the reset spring 11 away from the sliding block 9 is installed on the inner top of the limit groove 8.

[0032] In this embodiment, the cutter 7 on the lifting block 6 is driven by the hydraulic cylinder 5 to descend. When the cutter 7 contacts the alloy resistor body 2, the lower pressure plate 10 will press down the alloy resistor body 2 through the reaction force of the reset spring 11. The deeper the cutter 7 descends, the better the pressing effect of the lower pressure plate 10 on the alloy resistor body 2, thereby ensuring that the alloy resistor body 2 will not be displaced when being cut. Example

[0033] On the basis of the first embodiment, in order to facilitate the removal of the cut alloy resistor body 2 from the lower mold 3, the position of the alloy resistor body 2 is changed by the impact of gas, so that this problem can be solved. An exhaust pipe 12 is fixedly installed on the inner top of the bracket plate 4 and on the outer side of the hydraulic cylinder 5. An air intake pipe 21 is arranged on the exhaust pipe 12. Both the air intake pipe 21 and the through pipe 19 are provided with a one-way valve 20. The one-way valve 20 prevents the air intake pipe 21 from flowing back to the pipeline. A sliding rod 13 is slidably installed on the exhaust pipe 12, and one end of the sliding rod 13 is fixedly installed with a The piston 14 and the other end of the sliding rod 13 are fixedly installed with a push plate 15, and the push plate 15 is fixedly installed on the upper end surface of the lifting block 6. The exhaust pipe 12 is provided with an exhaust port 16, and the exhaust port 16 is connected to an exhaust assembly. The exhaust assembly includes an exhaust block 17. A collecting groove is provided in the exhaust block 17. The inner top of the collecting groove is set to be inclined, so that the gas entering the collecting groove will be directly guided to the position of the exhaust groove 18. The collecting groove is connected to the outside through the exhaust groove 18. The exhaust block 17 is connected with a through pipe 19, and the end of the through pipe 19 away from the exhaust block 17 is connected to the exhaust port 16.

[0034] In this embodiment, when the lifting block 6 descends, it will drive the piston 14 on the sliding rod 13 to slide in the exhaust pipe 12. At this time, the exhaust pipe 12 is in a state of exhausting. When the lifting block 6 rises, the gas in the exhaust pipe 12 will enter the exhaust block 17 through the through pipe 19, and then directly impact the cut alloy resistor body 2 through the exhaust groove 18 on the exhaust block 17. The impacted part of the alloy resistor body 2 will directly extend out from the lower mold 3, which is convenient for personnel to pull out and improves the practicality of the mold.

[0035] Working principle:

[0036] When in use, the alloy resistor to be cut is placed on the lower mold 3, and the cutter 7 on the lifting block 6 is lowered by the drive of the hydraulic cylinder 5. At this time, the lifting block 6 is slidably installed with the support plate 4 to ensure the stability of the lifting block 6 when it is descending. When the cutter 7 contacts the alloy resistor body 2, the protective pad 22 on the lower pressure plate 10 will contact the alloy resistor at the same time. When the cutter 7 slowly descends, the lower pressure plate 10 will squeeze the reset spring 11 through the sliding block 9, and the lower pressure plate 10 will press the alloy resistor through the reaction force of the reset spring 11. The deeper the cutter 7 descends, the better the pressing effect of the lower pressure plate 10 on the alloy resistor body 2, thereby ensuring that the alloy resistor body 2 will not be offset when being cut;

[0037] When the lifting block 6 descends, the piston 14 on the sliding rod 13 will be driven to slide in the exhaust pipe 12 through the push plate 15. At this time, the exhaust pipe 12 is in a state of exhausting. When the lifting block 6 rises, the gas in the exhaust pipe 12 will enter the exhaust block 17 through the through pipe 19. The gas in the exhaust block 17 will be diverted through the collecting groove and then directly impact the cut alloy resistor body 2 through the exhaust groove 18 on the exhaust block 17. The impacted part of the alloy resistor body 2 will directly extend out from the lower mold 3, which is convenient for personnel to pull out, thereby improving the practicality of the mold.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stamping and cutting die for alloy resistors, comprising a support plate (1) and an alloy resistor body (2), wherein a lower die (3) is fixedly arranged on the support plate (1), and characterized in that: A support plate (4) is fixedly mounted on the support plate (1) and on the outer side of the lower mold (3); a hydraulic cylinder (5) is fixedly mounted on the inner top of the support plate (4); a lifting block (6) is fixedly mounted on the output shaft of the hydraulic cylinder (5); the lifting block (6) is slidably mounted on the support plate (4); a cutter (7) is provided on the lower end surface of the lifting block (6); and the alloy resistor is cut by the cutter (7); Positioning components are provided on the lower end surface of the lifting block (6) and on both sides of the cutter (7), and the positioning components facilitate the position pressing of the part of the alloy resistor body (2) to be cut.

2. The stamping and cutting die for alloy resistor according to claim 1, characterized in that: The positioning assembly comprises a limit groove (8), wherein the limit groove (8) is arranged inside the lifting block (6), a sliding block (9) is slidably installed inside the limit groove (8), two symmetrically arranged lower pressure plates (10) are fixedly installed on the lower end surface of the sliding block (9), and a return spring (11) is fixedly installed on the upper end surface of the sliding block (9), and one end of the return spring (11) away from the sliding block (9) is installed on the inner top of the limit groove (8).

3. A stamping and cutting die for alloy resistors according to claim 2, characterized in that: The two lower pressing plates (10) are both extended to the outside of the lifting block (6) through the through slot, and the lower end surfaces of the two lower pressing plates (10) and the lower end surface of the cutter (7) are in the same horizontal direction.

4. The stamping and cutting die for alloy resistor according to claim 1, characterized in that: An exhaust pipe (12) is fixedly mounted on the inner top of the support plate (4) and on the outer side of the hydraulic cylinder (5); a sliding rod (13) is slidably mounted on the exhaust pipe (12); a piston (14) is fixedly mounted on one end of the sliding rod (13); a push plate (15) is fixedly mounted on the other end of the sliding rod (13); the push plate (15) is fixedly mounted on the upper end surface of the lifting block (6); an exhaust port (16) is provided on the exhaust pipe (12); and an exhaust component is connected to the exhaust port (16).

5. The stamping and cutting die for alloy resistor according to claim 4, characterized in that: The exhaust assembly comprises an exhaust block (17), a collecting groove is arranged in the exhaust block (17), and the collecting groove is connected to the outside through the exhaust groove (18); The exhaust block (17) is connected to a through pipe (19), and one end of the through pipe (19) away from the exhaust block (17) is connected to the exhaust port (16).

6. The stamping and cutting die for alloy resistor according to claim 5, characterized in that: An air intake pipe (21) is provided on the exhaust pipe (12), and a one-way valve (20) is provided on both the air intake pipe (21) and the through pipe (19).

7. The stamping and cutting die for alloy resistor according to claim 3, characterized in that: A protective pad (22) is provided on the lower end surface of the lower pressing plate (10), and the material used for the protective pad (22) is rubber.

8. The stamping and cutting die for alloy resistor according to claim 1, characterized in that: Two symmetrically arranged support blocks (23) are fixedly mounted on the lower end surface of the support plate (1).

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