CN211135137U

CN211135137U - Stamping die with quick replacement punch function

Info

Publication number: CN211135137U
Application number: CN201922042100.1U
Authority: CN
Inventors: 陈爱国; 李天保; 余孝林; 罗振宇; 谭兴平; 吴志鹏
Original assignee: Force Technology Shenzhen Co ltd
Current assignee: Force Technology Shenzhen Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-31
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a stamping die with quick replacement drift function, it includes the last mould and the lower mould that set up from top to bottom, the lower surface of going up the mould rotates and is connected with the carousel, a plurality of different kinds of drifts of circumference equipartition on the carousel, the spout has been seted up to the upper surface of lower mould, the horizontal migration in the spout is connected with the slider, the upper surface of slider with the upper surface parallel and level of lower mould, set up on the slider with different drift matched with punch a hole, set up the through-hole that is used for row material on the lower mould. The utility model discloses the effect with quick replacement drift.

Description

Stamping die with quick replacement punch function

Technical Field

The utility model relates to a stamping die field, more specifically say, it relates to a stamping die with quick replacement drift function.

Background

The stamping die is mainly applied to a stamping machine to stamp a plate, and mainly produces required complex hardware and metal plates in electronic products. The stamping die is practical in a set and comprises an upper die and a lower die which are matched with each other, the plate is placed between the upper die and the lower die, and when the upper die and the lower die are closed, materials in specific shapes are cut on the plate by utilizing shearing force.

As shown in fig. 5, the punching die includes an upper die 1 and a lower die 2 which are vertically arranged, a punch 12 is arranged on the lower surface of the upper die 1, and a through hole 22 having the same cross-sectional shape as the punch of the upper die 1 is formed in the lower die 2. The plate material passes between the upper die 1 and the lower die 2, when the upper die 1 moves downwards, the punch 12 punches the same part with the section of the punch 12 on the plate material, and the part punched by the punch 12 can be a product or a waste.

However, in the actual production process, different workpieces need to be punched by the same punching machine, so that the punch needs to be replaced frequently, a set of dies corresponds to one product, and the whole upper die and the whole lower die need to be replaced from the punching machine in the replacement process, so that the replacement time is long, the production efficiency is affected, and particularly, when the punching process is only one part of the production line, the subsequent processes are stopped. Therefore, it is desirable to design a press die capable of rapidly replacing the punch.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a stamping die with quick replacement drift function, its advantage can change the drift soon.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a stamping die with quick replacement drift function, includes the last mould and the lower mould that set up from top to bottom, the lower surface of going up the mould rotates and is connected with the carousel, a plurality of different kinds of drifts of circumference equipartition on the carousel, the spout has been seted up to the upper surface of lower mould, the horizontal migration in the spout is connected with the slider, the upper surface of slider with the upper surface parallel and level of lower mould, seted up on the slider with different drift matched with punch a hole, set up the through-hole that is used for row material on the lower mould.

Through above-mentioned technical scheme, panel is placed between last mould and lower mould, and a plurality of different drifts set up on the carousel, and one of them drift is located the directly over of panel, goes up the mould in the process of downward removal, and the drift is at the material of the same cross-section with the drift on panel upper punch. The rotary table is rotationally connected to the upper die, so that when different punches need to be used, the rotary table is rotated, and the corresponding punches fall over the plate. The sliding block is provided with a punching hole matched with different punching heads, and when the punching heads are adjusted, the corresponding sliding block enables the punching heads and the punching holes to be kept consistent. Therefore, the punch is replaced quickly without replacing the upper die and the lower die, and the manual replacement time is reduced.

The utility model discloses further set up to: the upper surface of carousel is equipped with the connecting axle, the connecting axle passes the mould and fixedly is equipped with the spacing ring, upward be equipped with the locating part that is used for locking the carousel on the mould.

Through above-mentioned technical scheme, connecting axle and spacing ring are used for rotating the carousel and connect on last mould to prevent that the carousel from breaking away from last mould. The limiting part is used for locking the rotating turntable.

The utility model discloses further set up to: the locating part is a limiting pin which is connected to the upper die in a vertical sliding mode, and a limiting hole matched with the limiting pin is formed between adjacent punches on the rotary plate.

Through the technical scheme, when the limiting pin is simultaneously inserted on the turntable and the upper die, the turntable cannot rotate, and the locking effect on the turntable is further achieved. When the spacer pin breaks away from with the carousel, the carousel just can rotate to can enough realize the rotation of carousel, can lock the carousel again.

The utility model discloses further set up to: the upper surface of going up the mould is fixed and is equipped with the fixed plate of U-shaped, the spring has been cup jointed on the spacer pin, be equipped with the retaining ring on the spacer pin, the both ends of spring are contradicted respectively on the interlude and the retaining ring of fixed plate.

Through above-mentioned technical scheme, when the spacer pin upwards removed, the spring can receive the compression, consequently upwards removes the spacer pin and needs the elasticity of customer's spring, prevents that the bolt from breaking away from with the carousel in the condition of non-manual operation.

The utility model discloses further set up to: the cross section of the sliding groove is dovetail-shaped, and the cross section of the sliding block is dovetail-shaped.

Through above-mentioned technical scheme, the cross sectional shape of spout and slider is dovetail and dovetail shape respectively to prevent that the slider from upwards breaking away from the lower mould, make the slider only can remove along the horizontal direction.

The utility model discloses further set up to: the lower die is connected with a bolt in a sliding mode along the direction perpendicular to the sliding block, and jacks matched with the bolt are formed in the sliding block in an array mode.

Through above-mentioned technical scheme, the bolt sets up with the slider is perpendicular to the direction of sliding is mutually perpendicular also, consequently when the bolt is pegged graft in the jack, the slider will unable removal, thereby has played the effect of locking to the slider, further ensures that the position of slider can not change.

The utility model discloses further set up to: the lower die is provided with a plunger sleeve, a pressure spring is arranged in the plunger sleeve, a steel ball is arranged at the end of the pressure spring, the diameter of an opening of the plunger sleeve is smaller than the ball diameter of the steel ball, and the bolt is provided with a limit groove matched with the steel ball.

Through the technical scheme, after the bolt is inserted into the sliding block, the steel ball is matched in the limiting groove. When the bolt removed, need contradict the steel ball for in the steel ball withdrawal plunger bushing, the bolt could remove. Therefore, the plunger sleeve, the pressure spring and the steel ball are arranged to limit the plug pin, so that the plug pin can be separated from the sliding block after a certain force is applied to the plug pin.

The utility model discloses further set up to: the lower surface of going up the mould is equipped with and is used for the boss, the lower surface of carousel and the lower surface parallel and level of boss, be close to the cambered surface of carousel on the boss and establish to laminate with the carousel.

Through above-mentioned technical scheme, because the existence of carousel leads to the lower surface unevenness of last mould, at the in-process of last mould and lower mould compound die, when the carousel contradicts the lower mould, go up the mould and will no longer move downwards, lead to the contact surface between last mould and the lower mould little like this, mould lower extreme is unsettled on the part. The boss is arranged, so that the upper die and the lower die can be smoothly attached.

To sum up, the utility model discloses following beneficial effect has:

1. The punch can be replaced through rotation, so that the punch can be replaced quickly;

2. The arrangement of the limiting pin can lock the rotating turntable after the rotation, so that the stability of the turntable is improved;

3. The setting of bolt can lock the slider, further improves the stability of slider.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment.

Fig. 2 is a schematic view of the internal cross-sectional structure of the upper and lower dies of this embodiment.

Fig. 3 is a schematic view of an assembly structure of the upper mold, the lower mold, and the disk according to the present embodiment.

Fig. 4 is a schematic structural view of the stopper pin, the lower die, and the slider according to this embodiment.

Fig. 5 is a schematic structural view of a conventional press die.

Reference numerals: 1. an upper die; 11. a turntable; 111. a limiting hole; 12. a punch; 13. a connecting shaft; 14. a limiting ring; 16. a boss; 2. a lower die; 21. a chute; 22. a through hole; 4. a slider; 41. punching; 42. a jack; 5. a spacing pin; 51. a fixing plate; 52. a spring; 53. a retainer ring; 6. a bolt; 61. a limiting groove; 62. a plunger sleeve; 63. a pressure spring; 64. and (5) steel balls.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1 and 2, a stamping die with a function of rapidly replacing a punch comprises an upper die 1 and a lower die 2 which are arranged up and down, wherein the punch 12 is arranged on the lower surface of the upper die 1, a plate is placed between the upper die 1 and the lower die 2, and a through hole 22 for discharging is formed in the lower die 2. When the upper die 1 moves downwards, the punch 12 penetrates through the plate, a hole with the same section as that of the punch 12 is left in the plate, and the punched material is discharged along the through hole.

Referring to fig. 1 and 2, a rotary table 11 is arranged on the lower surface of an upper die 1, three different punches 12 are vertically arranged on the lower surface of the rotary table 11, a connecting shaft 13 is vertically and fixedly arranged on the upper surface of the rotary table 11, the connecting shaft 13 penetrates through the upper die 1 and is fixedly provided with a limit ring 14, the diameter of the limit ring 14 is larger than that of the connecting shaft 13, and the limit ring 14 is used for preventing the rotary table 11 from being separated from the upper die 1. When it is desired to use different punches 12, the rotary table 11 is rotated to rotate the respective punch 12 directly above the sheet. Set up the locating part on going up mould 1, the locating part is used for locking carousel 11 after the rotation.

Referring to fig. 1 and 2, the limiting member is specifically a limiting pin 5 vertically slidably connected to the upper die 1, three limiting holes 111 matched with the limiting pin 5 are circumferentially formed in the rotating disc 11, and the limiting holes 111 are located between adjacent punches 12. After the turntable 11 rotates well, the limiting pin 5 is inserted into the limiting hole 111, so that the turntable 11 is limited to rotate. The upper surface of the upper die 1 is fixedly provided with a U-shaped fixing plate 51, the limit pin 5 is provided with a retaining ring 53, the retaining ring 53 is fixedly arranged with the limit pin 5, the limit pin 5 is sleeved with a spring 52, two ends of the spring 52 respectively abut against the retaining ring 53 and the middle section of the fixing plate 51, and the limit pin 5 upwards extends out of the fixing plate 51. When the stopper pin 5 moves upward, the spring 52 is pressed and made elastic. Therefore, when the stopper pin 5 is inserted into the stopper hole 111, the spring 52 prevents the stopper pin 5 from coming off the turntable 11. When the turntable 11 needs to be rotated, the limiting pin 5 is driven by a human hand to move upwards and be separated from the turntable 11, and then the turntable 11 is rotated.

Referring to fig. 3, the lower surface of the upper die 1 is provided with a boss 16, and the lower surface of the turntable 11 is flush with the lower surface of the boss 16. One end of the boss 16 close to the rotary disc 11 is set to be a cambered surface attached to the cylindrical surface of the rotary disc 11. Thus, when the upper die 1 and the lower die 2 are closed, the contact area of the upper die 1 and the lower die 2 is increased.

Referring to fig. 1 and 2, a dovetail-shaped sliding groove 21 is formed in the lower die 2 along the horizontal direction, a dovetail-shaped sliding block 4 is slidably disposed in the sliding groove 21, and the upper surface of the sliding block 4 is flush with the upper surface of the lower die 2. Because the turntable 11 is provided with three punches 12, the lower die 2 is further provided with three through holes 22, and one through hole 22 is formed in the bottom wall of the sliding groove 21. Three different types of punched holes 41 are formed in the slider 4, the cross-sectional shape of the punched hole 41 is the same as that of the punch 12, and one of the punched holes 41 is positioned right above the through hole 22 in the chute 21. When a different punch 12 is replaced, the slider 4 is slid so that the corresponding punched hole 41 corresponds to the punch 12 and the punched hole 41 communicates with the through-hole 22, so that the punched material enters the through-hole 22 from the punched hole 41 and is finally discharged from the through-hole 22.

Referring to fig. 3 and 4, the lower die 2 is provided with a plug pin 6 in a sliding manner along the horizontal direction, the plug pin 6 is vertically arranged with the slider 4, three insertion holes 42 matched with the plug pin 6 are formed in the slider 4, and when the plug pin 6 is inserted into the insertion holes 42, the slider 4 cannot slide, so that the slider 4 is locked. The side wall of the lower die 2 is horizontally provided with a plunger sleeve 62, the plunger sleeve 62 is arranged along the direction vertical to the plug pin 6, the plunger sleeves 62 are two in number and are distributed on two sides of the plug pin 6 in a mirror image mode, a pressure spring 63 and a steel ball 64 are arranged in the plunger sleeve 62, the steel ball 64 is close to one end of the plug pin 6, and the diameter of an opening of the plunger sleeve 62 is smaller than that of the steel ball 64. Two ends of the pressure spring 63 respectively abut against the steel ball 64 and one end of the plunger sleeve 62 far away from the bolt 6. A limit groove 61 matched with the steel ball 64 is formed in the bolt 6, and when the bolt 6 is inserted into the sliding block 4, the steel ball 64 is matched in the limit groove 61. When the bolt 6 moves in the direction away from the sliding block 4, the steel ball 64 needs to be abutted, so that the steel ball 64 retracts into the plunger sleeve 62, the bolt 6 can move, the steel ball 64 is always abutted by the pressure spring 63, and therefore, when the bolt 6 moves, the elasticity of the pressure spring 63 needs to be overcome, and the bolt can move. Go up mould 1 and lower mould 2 and when the compound die, cut the panel, consequently have weak vibrations, above-mentioned structure prevents effectively that bolt 6 from breaking away from slider 4 at the in-process of vibrations.

The action process is as follows: the turntable 11 is first rotated so that the desired punch 12 is positioned directly above the sheet material, and then the slider 4 is slid so that the punched hole 41 corresponding to the punch 12 is positioned directly below the sheet material. After the position is adjusted, the rotating disc 11 is locked by the limiting pin 5, and the sliding block 4 is locked by the bolt 6.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a stamping die with quick replacement drift function, includes last mould (1) and lower mould (2) that set up from top to bottom, its characterized in that: go up the lower surface of mould (1) and rotate and be connected with carousel (11), a plurality of different types of drift (12) of circumference equipartition on carousel (11), spout (21) have been seted up to the upper surface of lower mould (2), the horizontal migration is connected with slider (4) in spout (21), the upper surface of slider (4) with the upper surface parallel and level of lower mould (2), offer punch a hole (41) with different drift (12) matched with on slider (4), offer through-hole (22) that are used for row material on lower mould (2).

2. The stamping die with the function of quickly replacing the punch as claimed in claim 1, wherein: the upper surface of carousel (11) is vertical to be fixed and is equipped with connecting axle (13), connecting axle (13) pass the mould and fixed spacing ring (14) that are equipped with, be equipped with on last mould (1) and be used for the locating part to carousel (11) locking.

3. The press die with the function of rapidly replacing the punch as claimed in claim 2, wherein: the locating part is the spacer pin (5) of vertical connection on last mould (1) that slides, be located on carousel (11) and be equipped with between adjacent drift (12) with spacer pin (5) complex spacing hole (111).

4. The stamping die with the function of quickly replacing the punch as claimed in claim 3, wherein: go up the fixed plate (51) that the fixed surface of mould (1) was equipped with the U-shaped, spring (52) have been cup jointed on spacer pin (5), be equipped with retaining ring (53) on spacer pin (5), the both ends of spring (52) are contradicted respectively on the interlude of fixed plate (51) and retaining ring (53).

5. The stamping die with the function of quickly replacing the punch as claimed in claim 1, wherein: the cross section of the sliding groove (21) is dovetail-shaped, and the cross section of the sliding block (4) is dovetail-shaped.

6. The press die with the function of rapidly replacing the punch as claimed in claim 5, wherein: the lower die (2) is connected with a bolt (6) in a sliding mode along the direction perpendicular to the sliding block (4), and jacks (42) matched with the bolt (6) are formed in the sliding block (4) in an array mode.

7. The stamping die with the function of quickly replacing the punch as claimed in claim 6, wherein: the lower die is characterized in that a plunger sleeve (62) is arranged on the lower die (2), a pressure spring (63) is arranged in the plunger sleeve (62), a steel ball (64) is arranged at the end of the pressure spring (63), the diameter of an opening of the plunger sleeve (62) is smaller than the ball diameter of the steel ball (64), and a limiting groove (61) matched with the steel ball (64) is formed in the bolt (6).

8. The press die with the function of rapidly replacing the punch as claimed in claim 7, wherein: the lower surface of going up mould (1) is equipped with and is used for boss (16), the lower surface of carousel (11) and the lower surface parallel and level of boss (16), the cambered surface of laminating with carousel (11) is established to the one side that is close to carousel (11) on boss (16).