CN216461198U

CN216461198U - Ultra-thin stamping die of circuit breaker switch copper pipe

Info

Publication number: CN216461198U
Application number: CN202123198637.0U
Authority: CN
Inventors: 蔡沅叡; 蔡忻叡
Original assignee: Zhejiang Upsan Accurate Electronic Co ltd
Current assignee: Zhejiang Upsan Accurate Electronic Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-10
Anticipated expiration: 2031-12-17

Abstract

The application relates to the technical field of progressive dies, in particular to an ultrathin stamping die for a circuit breaker switch copper pipe, which comprises an upper die and a lower die, wherein the upper die comprises an upper die plate and a plurality of male dies arranged on the upper die plate, the lower die comprises a lower die plate and a plurality of female dies arranged on the lower die plate, the male dies correspond to the female dies one by one, the female dies comprise a die holder connected to the lower die plate and a die bottom sliding block used for limiting the appearance of the bottom of the copper pipe, the die holder is provided with a die cavity groove used for limiting the circumferential appearance of the copper pipe, and the die bottom sliding block is coaxially connected to the inner wall of the die cavity groove in a sliding manner along the axial direction of the male dies; the bottom of the die bottom sliding block is provided with a lower adjusting plate, and the lower adjusting plate is provided with a lower adjusting part used for adjusting the distance between the lower adjusting plate and the die holder. This application has adjusting plate height-adjustable under making, changes the die bottom slider height, and then changes the effect of stamping forming's copper pipe length, uses the copper pipe processing of different length, reduction in production cost can be accomplished to a mould.

Description

Ultra-thin stamping die of circuit breaker switch copper pipe

Technical Field

The application relates to the technical field of progressive dies, in particular to an ultrathin stamping die for a copper pipe of a circuit breaker switch.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker is composed of multiple parts, wherein a copper pipe for inserting a capacitor pin is welded on the capacitor, the copper pipe is in a deep cylinder shape, one end of the copper pipe is provided with an opening, the other end of the copper pipe is closed, and one end of the copper pipe, which is provided with a flange, is provided with a flange.

When the copper pipe is produced, the common processing mode is stamping by a continuous die. Generally, the progressive die comprises an upper die and a lower die, wherein the upper die is detachably provided with a plurality of male dies, the lower die is detachably provided with a plurality of female dies, each male die and each female die form a station, and each station performs one-time stamping on a copper pipe raw material, so that the copper pipe is gradually formed after multiple times of stamping. When workpieces with different sizes need to be processed, the male die and the female die are replaced.

In view of the above related technologies, the inventor thinks that the lengths of the pins of different capacitors are also different, but the upper die and the lower die need to be replaced when copper pipes with different lengths are produced, which results in complicated production steps and increased production cost.

SUMMERY OF THE UTILITY MODEL

Need change mould and lower mould in order to improve when producing different length copper pipes, lead to the production step complicated, problem that manufacturing cost increases, this application provides an ultra-thin stamping die of circuit breaker switch copper pipe.

The application provides a pair of ultra-thin stamping die of circuit breaker switch copper pipe adopts following technical scheme:

a circuit breaker switch copper pipe ultrathin stamping die comprises an upper die and a lower die, wherein the upper die comprises an upper die plate and a plurality of male dies arranged on the upper die plate, the lower die comprises a lower die plate and a plurality of female dies arranged on the lower die plate, the male dies correspond to the female dies one by one, the female dies comprise a die holder connected to the lower die plate and a die bottom sliding block used for limiting the appearance of the bottom of a copper pipe, the die holder is provided with a die cavity groove used for limiting the circumferential appearance of the copper pipe, and the die bottom sliding block is coaxially and slidably connected to the inner wall of the die cavity groove along the axial direction of the male dies; the bottom of the die bottom sliding block is provided with a lower adjusting plate, and the lower adjusting plate is provided with a lower adjusting part used for adjusting the distance between the lower adjusting plate and the die holder.

Through adopting above-mentioned technical scheme, utilize the modulus of continuity to carry out the punching press to the copper pipe raw materials, make the copper pipe progressively shaping after punching press many times, when the different copper pipes of needs processing punching press length, adjust the height of adjusting plate down through lower regulating part for the height of slider at the bottom of the mould changes, and then makes the moulding-die shape in the die change, and then changes the copper pipe length that the punching press takes shape, uses a lower mould can accomplish the copper pipe processing of different length, reduction in production cost.

Optionally, the lower adjusting part comprises a plurality of parallel screws, the screws are rotatably connected to the lower template, the screws are all threaded through the lower adjusting plate, and the plurality of screws are uniformly distributed around the axis of the lower adjusting plate; and the lower adjusting plate is connected to the lower template in a sliding manner along the moving direction of the die bottom sliding block.

By adopting the technical scheme, the lower adjusting plate can be driven to carry out height adjustment by rotating the screw rod; the impact force of stamping of the die can be dispersed by the aid of the plurality of screws, and the probability of damage to the joint of the adjusting plate and the screws caused by impact is reduced.

Optionally, the lower adjusting portion further includes a plurality of guide blocks for limiting the movement direction of the lower adjusting plate, the guide blocks are fixedly connected to the lower die plate, the lower adjusting plate is slidably connected to the guide blocks, and the die bottom sliding block is slidably connected to the guide blocks.

By adopting the technical scheme, the movement direction of the lower adjusting plate is limited by arranging the guide block, so that the movement direction of the die bottom sliding block is limited, and the probability of die shape change caused by die bottom sliding block offset is reduced.

Optionally, one end of each of the plurality of screws penetrates out of the lower template, one end of each of the screws penetrating out of the lower template is coaxially provided with an adjusting gear, and the adjusting gears are in transmission connection with the same chain.

Through adopting above-mentioned technical scheme, when one of them screw rod rotated, can make many screws rotate simultaneously under the drive of gear and chain, make then the regulating plate can keep the horizontality and carry out the altitude mixture control down, reduce the probability that the regulating plate takes place the skew in the accommodation process down, and then reduce the probability that leads to the moulding-die shape to change because of the skew of mould bottom slider.

Optionally, the lower template rotates and is provided with a drive gear, the drive gear is meshed with the chain, and the drive gear is coaxially provided with a hand wheel.

Through adopting above-mentioned technical scheme, rotate through hand wheel operation drive gear, then drive chain rotates, drives a plurality of adjusting gear synchronous rotation under the drive effect of adjusting the chain, adjusts the adjusting plate height down then for rotate the hand wheel and can adjust the adjusting plate height down, make actual operation more convenient.

Optionally, an upper adjusting plate is arranged at the top of the male die, an upper adjusting portion for adjusting the height of the upper adjusting plate is arranged on the upper adjusting plate, and the specification of the upper adjusting portion is the same as that of the lower adjusting portion.

Through adopting above-mentioned technical scheme for it also can carry out altitude mixture control to go up the regulating plate, adjusts the relative position between terrace die and the cope match-plate pattern, and then can cooperate the adjustment of lower mould to change the length of stamping forming's copper pipe, makes whole mould more practical.

Optionally, the lower die is provided with a lower air blowing part, the lower air blowing part comprises a lower air inlet pipe, the die bottom sliding block and the lower adjusting plate are coaxially provided with a lower through hole in a penetrating manner, the lower air inlet pipe is communicated with the lower through hole, and one end of the lower air inlet pipe, which is far away from the lower through hole, is communicated with an external air pressure source; the lower air inlet pipe is connected to the inner wall of the lower through hole in a sliding mode.

By adopting the technical scheme, when the copper pipe after the stamping is finished is adsorbed on the female die, the copper pipe is ventilated into the lower through hole through the external air pressure source, so that the air pressure in the lower through hole is increased, the copper pipe is smoothly separated from the female die, and the subsequent stamping operation is facilitated.

Optionally, the upper die is provided with an upper air blowing part, the upper air blowing part comprises an upper air inlet pipe, the male die is provided with an upper through hole in a penetrating manner, the upper air inlet pipe is communicated with the upper through hole, the upper air inlet pipe is connected to the inner wall of the upper through hole in a sliding manner, and one end, far away from the upper through hole, of the upper air inlet pipe is communicated with an external air pressure source.

By adopting the technical scheme, when the copper pipe after the stamping is finished is adsorbed on the male die, the copper pipe and the male die can be smoothly separated through the upper blowing part, so that the subsequent stamping operation is facilitated.

In summary, the present application includes at least one of the following beneficial technical effects:

the lower adjusting plate is adjustable in height, the height of the die bottom sliding block is changed, the length of the copper pipe formed by stamping is further changed, the copper pipes with different lengths can be machined by using one lower die, and the production cost is reduced;

the hand wheel is rotated, the driving gear and the adjusting gear are operated to rotate, the plurality of screw rods are synchronously rotated, the lower adjusting plate is kept in a horizontal state to carry out height adjustment, the probability of deviation of the lower adjusting plate in the adjusting process is reduced, and the probability of change of the shape of the pressing die caused by the deviation of the sliding block at the bottom of the pressing die is further reduced;

when the copper pipe after the punching press is completed is adsorbed on the die, the lower through hole or the upper through hole is ventilated through an external air pressure source, the air pressure in the lower through hole or the upper through hole is increased, so that the copper pipe is smoothly separated from the die, and the subsequent transferring and punching operation are facilitated.

Drawings

Fig. 1 is a front view of an ultrathin stamping die for a copper tube of a circuit breaker switch according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a lower die plate of an ultrathin stamping die for a copper tube of a circuit breaker switch according to an embodiment of the present application.

Fig. 3 is an exploded schematic view of a lower die plate of an ultrathin stamping die for a copper tube of a circuit breaker switch according to an embodiment of the present application.

Fig. 4 is a cross-sectional view of an upper mold plate of an ultrathin stamping die for a copper tube of a circuit breaker switch according to an embodiment of the present application.

Description of reference numerals: 1. an upper die; 2. a lower die; 3. mounting a template; 4. a male die; 5. a lower template; 6. a female die; 7. a guide sleeve; 8. a guide rod seat; 9. a guide bar; 10. a spring; 11. a female die holder; 12. a die bottom slide block; 13. a mold cavity groove; 14. a lower adjustment tank; 16. a lower adjustment plate; 17. a lower adjustment section; 18. a screw; 19. a guide block; 20. a central round block; 21. connecting blocks; 22. a linkage section; 23. an adjusting gear; 24. a chain; 25. a drive gear; 26. a lower dust cover; 27. a hand wheel; 28. a lower air blowing part; 29. a lower air inlet pipe; 30. a lower communicating pipe; 31. a lower through hole; 32. an upper adjustment groove; 34. an upper adjusting plate; 35. an upper adjusting part; 36. an upper dust cover; 37. an upper air blowing part; 38. an upper intake pipe; 39. an upper communicating pipe; 40. and an upper through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses ultra-thin stamping die of circuit breaker switch copper pipe, refer to fig. 1, including last mould 1 and lower mould 2, go up mould 1 and include cope match-plate pattern 3 and fixed six terrace dies 4 that set up in cope match-plate pattern 3, lower mould 2 includes lower bolster 5 and six die 6, and die 6 can be dismantled through the screw and connect in lower bolster 5, and terrace die 4 forms six processing stations with 6 one-to-one of die. In the processing process of the copper pipe, the upper die 1 continuously performs reciprocating vertical movement relative to the lower die 2 under the driving of the punch press, after the copper pipe is punched on one station, the copper pipe is clamped to the next station through an external clamp to be punched in the next procedure, and the copper pipe is gradually punched and formed through multiple times of punching.

Referring to fig. 1, four guide sleeves 7 are fixedly arranged on the upper surface of a lower template 5, four guide rod seats 8 are fixedly arranged on the lower surface of an upper template 3, guide rods 9 are coaxially and fixedly arranged on each guide rod seat 8, the guide sleeves 7 correspond to the guide rods 9 one by one, and the guide rods 9 are slidably arranged in the corresponding guide sleeves 7 along the vertical direction, so that the upper die 1 and the lower die 2 can be guided by the guide rods 9 and the guide sleeves 7 during stamping, and the probability of stamping deviation is reduced; coaxial cover is equipped with spring 10 on the guide arm 9, spring 10 one end fixed connection in 8 lower surfaces of guide bar seat, spring 10 keep away from 8 one end fixed connection in guide pin bushing 7 upper surface of guide bar seat for extrude spring 10 when going up mould 1 and push down and make spring 10 produce elasticity, utilize spring 10's elasticity to alleviate the impact force that produces lower mould 2 when going up mould 1 downstream, reduce the probability of going up mould 1 and lower mould 2 because of the impact force leads to damaging.

Referring to fig. 2, the female die 6 includes a female die holder 11 and a die bottom slider 12 for limiting the bottom shape of the copper pipe, the female die holder 11 is fixedly connected to the upper surface of the lower die plate 5, the female die holder 11 is provided with a die cavity groove 13 for limiting the circumferential shape of the copper pipe in a penetrating manner, the axis of the die cavity groove 13 is vertical, the die bottom slider 12 is slidably connected to the inner wall of the die cavity groove 13 along the axis direction of the die cavity groove 13, and the processing shape of the copper pipe is limited by the inner wall of the die cavity groove 13 and the upper surface of the die bottom slider 12.

Referring to fig. 2, the lower template 5 is provided with a lower adjusting groove 14, the lower adjusting groove 14 penetrates through the lower surface of the lower template 5, and the axis of the lower adjusting groove 14 coincides with the axis of the mold cavity groove 13; the die bottom sliding block 12 penetrates through the upper surface of the lower die plate 5 in a sliding mode, meanwhile, the bottom end of the die bottom sliding block 12 penetrates into the lower adjusting groove 14 in a sliding mode, a lower adjusting plate 16 is coaxially and fixedly arranged at one end, penetrating into the lower adjusting groove 14, of the die bottom sliding block 12, the lower adjusting plate 16 is connected to the inner wall of the lower adjusting groove 14 in a sliding mode along the vertical direction, and a lower adjusting portion 17 used for adjusting the distance between the lower adjusting plate 16 and the die holder 11 is arranged on the lower adjusting plate 16.

Referring to fig. 2 and 3, the lower adjusting plate 16 includes a central circular block 20 and four connecting blocks 21, which are integrally formed, the four connecting blocks 21 are uniformly distributed along the circumference of the central circular block 20, the diameter of the central circular block 20 is equal to that of the die bottom slide block 12, and the central circular block 20 is fixedly connected with the bottom of the die bottom slide block 12; the lower adjusting part 17 comprises four screw rods 18 and four guide blocks 19, the screw rods 18 are rotatably connected to the inner wall of the top of the lower adjusting groove 14, the screw rods 18 correspond to the connecting blocks 21 one by one, each screw rod 18 is threaded through the corresponding connecting block 21, and the connecting blocks 21 are slidably connected to the inner wall of the lower adjusting groove 14 in the vertical direction; four guide blocks 19 are all fixed to be set up in the 14 inside walls of lower adjustment tank, and guide blocks 19 are slided simultaneously and are laminated in central circle piece 20, connecting block 21 and mould end slider 12 to every guide block 19 all is located between two adjacent connecting blocks 21, through setting up the direction of motion of adjusting plate 16 under the guide blocks 19 restriction, and then has also restricted the direction of regulation of mould end slider 12, reduces the probability of the skew of mould end slider 12 adjustment in-process.

Referring to fig. 3, the bottom of the lower template 5 is further provided with a linkage portion 22 for linking the four screws 18, the linkage portion 22 includes four adjusting gears 23, a chain 24 and a driving gear 25, the adjusting gears 23 correspond to the screws 18 one by one, each adjusting gear 23 is fixedly connected to the bottom of the corresponding screw 18, the driving gear 25 is rotatably connected to the lower surface of the lower template 5, and the four adjusting gears 23 and the driving gear 25 are all driven by the chain 24; a lower dust cover 26 for preventing the linkage part 22 from being stained with dust is fixedly arranged at the bottom of the lower template 5, a hand wheel 27 is coaxially and fixedly arranged at one end of the driving gear 25 far away from the lower template 5, and the hand wheel 27 rotates to penetrate out of the lower dust cover 26; the hand wheel 27 is rotated to drive the driving gear 25 to rotate, and further drive the four adjusting gears 23 to rotate simultaneously, so that the four screw rods 18 synchronously rotate, the lower adjusting plate 16 is kept in a horizontal state to adjust the height, and the height of the die bottom slide block 12 is adjusted.

Referring to fig. 1 and 2, a lower blowing part 28 for assisting the separation of the copper pipe from the female die 6 is arranged on the lower die 2, the lower blowing part 28 comprises six lower air inlet pipes 29 and a lower communicating pipe 30, each lower air inlet pipe 29 corresponds to a station, the six lower air inlet pipes 29 are all communicated with the lower communicating pipe 30, one end of the lower communicating pipe 30 is closed, and the other end of the lower communicating pipe 30 is communicated with an external air pressure source; the die bottom sliding block 12 and the lower adjusting plate 16 are both coaxially provided with a lower through hole 31 in a penetrating manner along the vertical direction, the lower air inlet pipe 29 is communicated with the lower through hole 31, and the lower air inlet pipe 29 is connected with the inner wall of the lower through hole 31 and the lower dust cover 26 in a sliding manner along the vertical direction; after the copper pipe is punched on the station, the lower communicating pipe 30 is ventilated through an external air pressure source, so that the air pressure in the lower through hole 31 is increased, and the copper pipe is separated from the female die 6.

Referring to fig. 2 and 4, the upper template 3 is provided with an upper adjusting groove 32, the upper adjusting groove 32 penetrates through the upper surface of the upper template 3, the male die 4 is slidably arranged on the lower surface of the upper template 3, meanwhile, the top end of the male die 4 slidably penetrates through the upper adjusting groove 32, one end of the male die 4 penetrating through the upper adjusting groove 32 is coaxially and fixedly provided with an upper adjusting plate 34, the upper adjusting plate 34 is slidably connected to the inner wall of the upper adjusting groove 32 along the vertical direction, the upper adjusting plate 34 is provided with an upper adjusting part 35 for adjusting the height of the upper adjusting plate 34, the specification and principle of the upper adjusting part 35 and the specification and principle of the lower adjusting part 17 are the same, and the upper dust cover 36 is fixedly arranged on the upper template 3; the upper die 1 is further provided with an upper air blowing portion 37 used for assisting the copper pipe to be separated from the male die 4, the upper air blowing portion 37 comprises six upper air inlet pipes 38 and an upper communicating pipe 39, the male die 4 and the upper adjusting plate 34 coaxially penetrate through the upper through hole 40, the upper air inlet pipes 38 are communicated with the upper through hole 40, the upper air inlet pipes 38 are connected to the inner wall of the upper through hole 40 and the upper dust cover 36 in a sliding mode along the vertical direction, and the upper air blowing portion 37 and the lower air blowing portion 28 are identical in specification principle.

The implementation principle of the ultrathin stamping die for the copper pipe of the circuit breaker switch in the embodiment of the application is as follows: when the copper pipe is processed, the hand wheel 27 is rotated to drive the driving gear 25 and the adjusting gear 23 to rotate, and then the four screw rods 18 are driven to synchronously rotate, so that the height of the upper adjusting plate 34 or the lower adjusting plate 16 is adjusted, and further the processing length in the die is adjusted; after the adjustment is finished, placing the raw materials on a first station; the upper die 1 impacts the lower die 2 under the driving of the punch; after one impact is finished, ventilating air in the upper communicating pipe 39 or the lower communicating pipe 30 through an external air pressure source to enable the copper pipe to be blanked; after the copper pipe is punched on one station, the copper pipe is clamped to the next station through an external clamp to be punched in the next procedure, and the copper pipe is punched and formed step by step through multiple times of punching.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an ultra-thin stamping die of circuit breaker switch copper pipe, includes mould (1) and lower mould (2), go up mould (1) and include cope match-plate pattern (3) and set up in a plurality of terrace dies (4) of cope match-plate pattern (3), lower mould (2) include lower bolster (5) and set up in a plurality of die (6) of lower bolster (5), terrace die (4) and die (6) one-to-one, its characterized in that: the female die (6) comprises a female die holder (11) connected to the lower template (5) and a die bottom sliding block (12) used for limiting the appearance of the bottom of the copper pipe, the female die holder (11) is provided with a die cavity groove (13) used for limiting the appearance of the circumference of the copper pipe, and the die bottom sliding block (12) is coaxially connected to the inner wall of the die cavity groove (13) in a sliding manner along the axial direction of the male die (4); the die bottom sliding block is characterized in that a lower adjusting plate (16) is arranged at the bottom of the die bottom sliding block (12), and a lower adjusting part (17) used for adjusting the distance between the lower adjusting plate (16) and the die holder (11) is arranged on the lower adjusting plate (16).

2. The ultra-thin stamping die for copper tubes of circuit breakers and switches according to claim 1, wherein: the lower adjusting part (17) comprises a plurality of parallel screw rods (18), the screw rods (18) are rotatably connected to the lower template (5), the screw rods (18) are all threaded through the lower adjusting plate (16), and the screw rods (18) are uniformly distributed around the axis of the lower adjusting plate (16); the lower adjusting plate (16) is connected to the lower template (5) in a sliding manner along the moving direction of the die bottom sliding block (12).

3. The ultra-thin stamping die for copper tubes of circuit breakers and switches as claimed in claim 2, wherein: the lower adjusting part (17) further comprises a plurality of guide blocks (19) used for limiting the movement direction of the lower adjusting plate (16), the guide blocks (19) are fixedly connected to the lower template (5), the lower adjusting plate (16) is connected to the guide blocks (19) in a sliding mode, and meanwhile the die bottom sliding block (12) is connected to the guide blocks (19) in a sliding mode.

4. The ultra-thin stamping die for copper tubes of circuit breakers and switches as claimed in claim 2, wherein: one ends of the screw rods (18) penetrate out of the lower template (5), one ends of the screw rods (18) penetrating out of the lower template (5) are coaxially provided with adjusting gears (23), and the adjusting gears (23) are in transmission connection with the same chain (24).

5. The ultra-thin stamping die for copper tubes of circuit breakers and switches as claimed in claim 4, wherein: lower bolster (5) rotate and are provided with drive gear (25), drive gear (25) and chain (24) meshing, drive gear (25) coaxial be provided with hand wheel (27).

6. The ultra-thin stamping die for copper tubes of circuit breakers and switches as claimed in claim 2, wherein: an upper adjusting plate (34) is arranged at the top of the male die (4), an upper adjusting portion (35) used for adjusting the height of the upper adjusting plate (34) is arranged on the upper adjusting plate (34), and the specification of the upper adjusting portion (35) is the same as that of the lower adjusting portion (17).

7. The ultra-thin stamping die for copper tubes of circuit breakers and switches according to claim 1, wherein: the lower die (2) is provided with a lower air blowing part (28), the lower air blowing part (28) comprises a lower air inlet pipe (29), the die bottom sliding block (12) and the lower adjusting plate (16) coaxially penetrate through a lower through hole (31), the lower air inlet pipe (29) is communicated with the lower through hole (31), and one end, far away from the lower through hole (31), of the lower air inlet pipe (29) is communicated with an external air pressure source; the lower air inlet pipe (29) is connected to the inner wall of the lower through hole (31) in a sliding mode.

8. The ultra-thin stamping die for copper tubes of circuit breakers and switches as claimed in claim 7, wherein: go up mould (1) and be provided with air blowing portion (37), air blowing portion (37) includes last trachea (38) on going up, terrace die (4) are run through and have been seted up through-hole (40), go up trachea (38) and last through-hole (40) intercommunication, go up trachea (38) sliding connection in last through-hole (40) inner wall, go up trachea (38) one end and outside air pressure source intercommunication of keeping away from last through-hole (40).