CN220361857U - Tube flanging die is riveted to circuit breaker casing - Google Patents

Tube flanging die is riveted to circuit breaker casing Download PDF

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Publication number
CN220361857U
CN220361857U CN202321412674.3U CN202321412674U CN220361857U CN 220361857 U CN220361857 U CN 220361857U CN 202321412674 U CN202321412674 U CN 202321412674U CN 220361857 U CN220361857 U CN 220361857U
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China
Prior art keywords
die
pipe
circuit breaker
plate
female die
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CN202321412674.3U
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Chinese (zh)
Inventor
孔德富
雷远学
臧程
魏浪
杨诗瑶
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China Zhenhua Electronic Group Yuguang Electric Co ltd State No 771 Factory
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China Zhenhua Electronic Group Yuguang Electric Co ltd State No 771 Factory
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Abstract

The utility model discloses a flanging die for riveting a tube of a circuit breaker shell, wherein a male die of the die is fixed on a male die fixing plate and penetrates through a hole groove in the middle of a discharging plate, and the bottom end of the male die is a cone with a downward tip; the female die is a round table formed by splicing left and right halves, the diameter of the upper bottom surface of the round table is larger than that of the lower bottom surface of the round table, a hole groove matched with the cone is formed in the middle of the round table, a spring ejector block is placed at the lower end of the female die, and the lower end of the spring ejector block elastically contacts with a spring. The utility model has the advantages that: the round platform design of die makes the mould firm during punching press, and punching press position is accurate, has guaranteed that the in-process of punching press turn-ups rivets the pipe and appears splitting, crooked or side drum's condition, along with the punching press of terrace die, the pointed end of cone gets into and rivets the pipe mouth of pipe and turn up the mouth of pipe gradually for the mouth of pipe is difficult for splitting, and mouth of pipe atress is even, and the turn-ups is effectual, and the spring resilience is jacked the die after the punching press is accomplished, and the two halves of die are separated, conveniently takes out and rivets the pipe, avoids violent getting the pipe and leads to riveting the pipe and cause the damage, rivets pipe finished product quality poor.

Description

Tube flanging die is riveted to circuit breaker casing
Technical Field
The utility model relates to a tube riveting and flanging die for a circuit breaker shell, and belongs to the technical field of stamping and flanging.
Background
The utility model discloses a tail pipe flanging die, which is characterized in that a guide sleeve of the die is arranged at the upper end of a guide pillar, the guide pillar is connected between an upper die plate and a lower die plate through the guide sleeve, a fixed plate is arranged on the lower die plate, a stripper plate is arranged on the fixed plate, a female die is arranged at the lower end of the upper die plate, a positioning shaft is arranged between the female die and the lower die plate, the upper end of the positioning shaft is connected with the female die, the lower end of the positioning shaft passes through the stripper plate and the fixed plate to be connected on the lower die plate, and the guide pillar is the tail pipe flanging die. However, the inventor finds that the prior art still has defects, and the problems of low yield, continuous quality problems and the like in the processing process are caused by the phenomena of cracking, bending, side drum and the like easily occurring in the process of riveting a thin-wall part with a small outer diameter and flanging by adopting the prior art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a flanging die for riveting a tube of a circuit breaker shell, which aims to solve the problems that when the tube orifice is stressed unevenly during stamping, the tube orifice is cracked, the riveting tube is unstable due to the fact that a female die is used for fixing the riveting tube, and the riveting tube is difficult to take out after the side drum and the flanging are completed, so that the riveting tube is damaged.
The utility model provides a flanging die for riveting a tube of a circuit breaker shell, which comprises a die body and a die body, wherein the die body comprises a die body and a die body, the die body is provided with a die cavity, the die cavity is: the male die is fixed on the male die fixing plate and penetrates through a hole groove in the middle of the discharging plate, and the bottom end of the male die is a cone with a downward tip; the female die is a round table formed by splicing left and right halves, the diameter of the upper bottom surface of the round table is larger than that of the lower bottom surface of the round table, a hole groove matched with the cone is formed in the middle of the round table, a spring ejector block is placed at the lower end of the female die, and the lower end of the spring ejector block elastically contacts with a spring. The unloading plate firstly presses the female die during punching, the spring is stressed and compressed, the female die is pressed into the female die positioning plate, and the two halves of the female die are folded to fix the middle riveting pipe while the female die is fixed, so that the situation that the riveting pipe is cracked, bent or laterally bulged in the punching flanging process is ensured; after stamping, the female die on the spring jacking block is jacked up along with rebound of the rising spring of the stripper plate, and the two halves of the female die are separated, so that the riveting pipe is easier to take out, damage to the riveting pipe caused by violent pipe taking is avoided, and the quality of the riveting pipe finished product is poor.
The stripper plate is connected to the lower end of the fastening screw in a sliding manner, and is sequentially connected with a male die fixing plate, an upper base plate and an upper die from bottom to top through the fastening screw, and the upper end of the upper die is fixedly connected with the punch target; the female die is embedded in a truncated cone-shaped groove in the middle of the female die positioning plate, and the female die positioning plate is sequentially connected with the lower base plate and the lower die from top to bottom through fastening pins; the upper die and the lower die are connected by a guide post. Through the connection and the fixation of fastening screw, fastening pin and guide post, the mould is firm during the punching press, and the punching press position is accurate.
The cone of the male die, the hole slot in the middle of the female die and the central line of the punch target are overlapped. Along with the stamping of the male die, the tip of the cone enters the orifice of the riveting pipe to gradually turn the orifice outwards, the orifice is uniformly stressed and is not easy to crack, the flanging effect is good, and the finished product effect is good.
Rubber blocks are uniformly distributed between the male die fixing plate and the discharging plate. The stripper plate slowly compacts the female die during stamping, the position of the riveting pipe is ensured to be more stable by compacting the female die in the female die positioning plate, and the stripper plate slowly relaxes the pressing of the female die after stamping, so that the spring slowly rebounds, and the riveting pipe is prevented from being damaged.
The bottom end of the male die is higher than the bottom end of the stripper plate. During stamping, the stripper plate contacts with the female die to press the female die into the female die positioning plate, and then the male die contacts with the riveting pipe to turn over the riveting pipe.
The size of the truncated cone-shaped groove in the middle of the female die and the female die positioning plate is the same.
And the diameter of a hole groove in the middle of the female die is equal to the outer diameter of the rivet pipe. And the riveting pipe is just fixed when the female die is closed.
The length of the hole groove in the middle of the female die is smaller than the length of the riveting pipe. The male die turns the part of the rivet pipe higher than the hole groove.
The upper end of the spring ejector block is a curved surface with high middle and low periphery. The two halves of the female die are separated along the curved surface of the spring jacking block after being jacked up, so that the riveting pipe is better exposed, and the finished riveting pipe is conveniently taken out.
The male die is fixed on the male die fixing plate in a hanging table fixing mode. The use cost is reduced.
Due to the adoption of the technical scheme, the utility model has the advantages that: the stripper presses the die first during punching, the spring is stressed and compressed, the die is pressed into the die positioning plate, the die is fixed, and simultaneously the die is folded in two halves to fix the middle riveting pipe, so that the die is stable during punching, the punching position is accurate, and the situation that the riveting pipe is cracked, bent or laterally bulged in the punching flanging process is ensured. Along with the punching press of terrace die, the pointed end of cone gets into and rivets the pipe mouth of pipe and turns over the mouth of pipe gradually for the mouth of pipe is difficult for splitting, and mouth of pipe atress is even, and the turn-ups is effectual, and the spring resilience is jacked the die after the punching press is accomplished, and the two halves of die are separated, conveniently takes out and rivets the pipe, avoids violently getting the pipe and leads to riveting the pipe and cause the damage, rivets pipe finished product quality poor.
Drawings
FIG. 1 is a block diagram of the present utility model;
in the figure: the die comprises a 1-punch target, a 2-fastening screw, a 3-upper die, a 4-upper backing plate, a 5-punch fixing plate, a 6-rubber block, a 7-stripper, an 8-punch, a 9-die, a 10-die positioning plate, a 11-lower backing plate, a 12-fastening pin, a 13-spring, a 14-lower die and a 15-guide pillar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the utility model relates to a flanging die for riveting a tube of a circuit breaker shell: the male die 8 is fixed on the male die fixing plate 5 and penetrates through a hole groove in the middle of the discharging plate 7, and the bottom end of the male die 8 is a cone with a downward tip; the female die 9 is a round table formed by splicing left and right halves, the diameter of the upper bottom surface of the round table is larger than that of the lower bottom surface of the round table, a hole groove matched with the cone is formed in the middle of the round table, a spring ejector block 16 is placed at the lower end of the female die 9, and the lower end of the spring ejector block 16 elastically contacts with the spring 13.
The stripper plate 7 is slidably connected to the lower end of the fastening screw 2, the stripper plate 7 is sequentially connected with the male die fixing plate 5, the upper base plate 4 and the upper die 3 from bottom to top through the fastening screw 2, and the upper end of the upper die 3 is fixedly connected with the punch target 1; the female die 9 is embedded in a truncated cone-shaped groove in the middle of the female die positioning plate 10, and the female die positioning plate 10 is sequentially connected with the lower base plate 11 and the lower die 14 from top to bottom through the fastening pin 12; the upper die 3 and the lower die 14 are connected by a guide post 15. Through the connection and the fixation of the fastening screw 2, the fastening pin 12 and the guide post 15, the die is stable during stamping, and the stamping position is accurate.
The cone of the male die 8, the hole slot in the middle of the female die 9 and the center line of the punch target 1 are overlapped. Along with the stamping of the male die 8, the tip of the cone enters the orifice of the riveting pipe to gradually turn the orifice outwards, the orifice is uniformly stressed and is not easy to crack, the flanging effect is good, and the finished product effect is good.
Rubber blocks 6 are uniformly distributed between the male die fixing plate 5 and the unloading plate 7. The stripper 7 slowly compacts the female die 9 during punching, the position of the riveting pipe is ensured to be firmer by tightly pressing the female die 9 in the female die positioning plate 10, and the stripper 7 slowly relaxes the pressing of the female die 9 after punching, so that the spring 13 slowly rebounds, and the riveting pipe is prevented from being damaged.
The bottom end of the male die 8 is higher than the bottom end of the stripper plate 7. During stamping, the stripper 7 firstly contacts the female die 9 to press the female die 9 into the female die positioning plate 10, and then the male die 8 contacts the riveting pipe to turn over the riveting pipe.
The size of the truncated cone-shaped groove in the middle of the female die 9 and the female die positioning plate 10 is the same.
The diameter of the hole groove in the middle of the female die 9 is equal to the outer diameter of the rivet pipe. The riveting pipe is just fixed when the female die 9 is closed.
The length of the hole groove in the middle of the female die 9 is smaller than the length of the riveting pipe. The male die 8 turns the part of the rivet pipe higher than the hole groove.
The upper end of the spring top block 16 is a curved surface with a high middle and a low periphery. The two halves of the female die 9 are separated along the curved surface of the spring jacking block 16 after being jacked up, so that the riveting pipe is better exposed, and the finished riveting pipe is conveniently taken out.
The male die 8 is fixed on the male die fixing plate 5 by a hanging table fixing mode. The use cost is reduced.
Example 2
The rubber block 6 was removed on the basis of example 1, and the weight of the stripper plate was increased. Firstly, fixing an upper die 3 on a punch target 1, then fixing the upper die 3, an upper base plate 4, a punch fixing plate 5 and a stripper 7 in sequence by using a fastening screw 2, and fixing a punch 8 on the punch fixing plate 5 in a hanging table fixing mode; the female die positioning plate 10, the lower base plate 11 and the lower die 14 are fixed by using the fastening pins 12, the springs 13 and the spring ejector blocks 16 are mounted on the lower base plate 11, the female die 9 is mounted on the female die positioning plate 10, and the upper die 3 and the lower die 14 are fixed by using the guide posts 15.
The stripper 7 and the male die 8 slowly descend during stamping, the stripper 7 presses the female die 9 firstly, the female die 9 is gradually pressed into the female die positioning plate 10, the lower end of the cone of the male die 8 enters the middle of a riveting pipe along with the continuous descending of the male die 8, the male die 8 turns over the riveting pipe along with the continuous pressurizing of the punch target 1, the punch target 1 ascends under pressure after the turning over is completed, the stripper 7 ascends gradually, the spring 13 rebounds gradually to push the female die 9 out of the female die positioning plate 10, the two halves of the female die 9 are separated to expose the riveting pipe, and finally the finished riveting pipe is taken out.
Example 3
The male die 8 is fixed on the male die fixing plate 5 and penetrates through a hole groove in the middle of the discharging plate 7, and the bottom end of the male die 8 is a cone with a downward tip; the female die 9 is a round table formed by splicing left and right halves, the diameter of the upper bottom surface of the round table is larger than that of the lower bottom surface of the round table, a hole groove matched with the cone is formed in the middle of the round table, a spring ejector block 16 is placed at the lower end of the female die 9, and the lower end of the spring ejector block 16 elastically contacts with the spring 13. The stripper 7 presses the female die 9 firstly during punching, the spring 13 is stressed and compressed, the female die 9 is pressed into the female die positioning plate 10, the female die 9 is fixed, and meanwhile, the two halves of the female die 9 are folded to fix the middle riveting pipe, so that the situation that the riveting pipe is cracked, bent or laterally bulged in the punching flanging process is ensured; after stamping, the female die 9 on the spring jacking block 16 is jacked up along with rebound of the rising spring 13 of the stripper plate 7, and the two halves of the female die 9 are separated, so that the riveted pipe is easier to take out, damage to the riveted pipe caused by violent pipe taking is avoided, and the quality of the riveted pipe finished product is poor.

Claims (10)

1. A circuit breaker casing riveting pipe turn-ups mould, its characterized in that:
the male die (8) is fixed on the male die fixing plate (5) and penetrates through a hole groove in the middle of the discharging plate (7), and the bottom end of the male die (8) is a cone with a downward tip;
the female die (9) is a round table formed by splicing left and right halves, the diameter of the upper bottom surface of the round table is larger than that of the lower bottom surface of the round table, a hole groove matched with the cone is formed in the middle of the round table, and the upper end and the lower end of the spring ejector block (16) are respectively contacted with the female die (9) and the spring ejector block (16).
2. The circuit breaker housing rivet tube flanging die of claim 1, wherein: the stripper plate (7) is slidably connected to the lower end of the fastening screw (2), the stripper plate (7) is sequentially connected with the male die fixing plate (5), the upper base plate (4) and the upper die (3) from bottom to top through the fastening screw (2), and the upper end of the upper die (3) is fixedly connected with the punch target (1); the female die (9) is embedded in a truncated cone-shaped groove in the middle of the female die positioning plate (10), and the female die positioning plate (10) is sequentially connected with the lower base plate (11) and the lower die (14) from top to bottom through the fastening pin (12); the upper die (3) and the lower die (14) are connected by a guide pillar (15).
3. The circuit breaker housing rivet tube flanging die of claim 1, wherein: the cone of the male die (8), the hole slot in the middle of the female die (9) and the central line of the punch target (1) are overlapped.
4. The circuit breaker housing rivet tube flanging die of claim 1, wherein: rubber blocks (6) are uniformly distributed between the male die fixing plate (5) and the discharging plate (7).
5. The circuit breaker housing rivet tube flanging die of claim 4, wherein: the bottom end of the male die (8) is higher than the bottom end of the stripper plate (7).
6. The circuit breaker housing rivet tube flanging die of claim 1, wherein: the size of the truncated cone-shaped groove in the middle of the female die (9) is the same as that of the truncated cone-shaped groove in the middle of the female die positioning plate (10).
7. The circuit breaker housing rivet tube flanging die of claim 1, wherein: the diameter of a hole groove in the middle of the female die (9) is equal to the outer diameter of the riveting pipe.
8. The circuit breaker housing rivet tube flanging die of claim 1, wherein: the length of the hole groove in the middle of the female die (9) is smaller than the length of the riveting pipe.
9. The circuit breaker housing rivet tube flanging die of claim 1, wherein: the upper end of the spring top block (16) is a curved surface with a high middle and a low periphery.
10. The circuit breaker housing rivet tube flanging die of claim 1, wherein: the male die (8) is fixed on the male die fixing plate (5) through a hanging table fixing mode.
CN202321412674.3U 2023-06-05 2023-06-05 Tube flanging die is riveted to circuit breaker casing Active CN220361857U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321412674.3U CN220361857U (en) 2023-06-05 2023-06-05 Tube flanging die is riveted to circuit breaker casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321412674.3U CN220361857U (en) 2023-06-05 2023-06-05 Tube flanging die is riveted to circuit breaker casing

Publications (1)

Publication Number Publication Date
CN220361857U true CN220361857U (en) 2024-01-19

Family

ID=89521101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321412674.3U Active CN220361857U (en) 2023-06-05 2023-06-05 Tube flanging die is riveted to circuit breaker casing

Country Status (1)

Country Link
CN (1) CN220361857U (en)

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