CN217070391U

CN217070391U - Recoil hole structure mould

Info

Publication number: CN217070391U
Application number: CN202123025190.7U
Authority: CN
Inventors: 朱江波
Original assignee: Suzhou Pingshan Precision Parts Co ltd
Current assignee: Suzhou Pingshan Precision Parts Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-29
Anticipated expiration: 2031-12-03

Abstract

The embodiment of the application provides a recoil hole structure mould, including last mould assembly and lower mould assembly. Be provided with the first drift that is used for the product primary forming on the lower mould subassembly, the second drift, the third drift, a fourth drift for punching the product, a fifth drift and a sixth drift for carrying out the processing to the product inner wall after punching a hole, it is provided with respectively with first drift to go up the mould subassembly, the second drift, the third drift, the fourth drift, a ejector pin that fifth drift and sixth drift correspond, No. two ejector pins, No. three ejector pins, No. four ejector pins, No. five ejector pins and No. six ejector pins, still be provided with the air flue that communicates with the fourth drift in the lower mould subassembly, be provided with the air flue that corresponds the intercommunication with the air flue in going up the mould subassembly, still be provided with the waste outlet who links to each other with No. two air flues. The advantages are that: the waste material directly flows out from the second air passage through the waste material outlet, so that the problems that the knife edge strength is weak, the service life of a single part is short, and a single finished product rises are solved.

Description

Recoil hole structure mould

Technical Field

The utility model relates to the field of molds, in particular to a backflushing hole structure mold.

Background

In the punch forming aiming at various revolving body accessories and automobile buckle accessories, a tool bit disposable die is generally utilized for punching and forming, the service life of a single accessory is short, the produced product is unstable, and the accessory damage is not easy to find in time, so that the risk of poor products in batches is caused.

In view of the above, it is desirable to provide a die with a recoil hole structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of recoil hole structure mould has effectively solved because edge of a knife intensity is weak leads to the shortcoming that the product is fragile and difficult to be discovered in the production to various solid of revolution and auto-parts buckle class.

The utility model adopts the technical proposal that:

the utility model provides a recoil hole structure mould, includes mould assembly and lower mould assembly, it includes upper die base, upper padding plate, public splint, backstop board and last die board to go up mould assembly, lower mould assembly is including taking off board, lower plate, lower bolster and die holder down. Be provided with on the lower mould subassembly and be used for the first drift, second drift, third drift to the product primary forming, be used for the fourth drift that punches a hole with the product, be used for carrying out the fifth drift, the sixth drift processed to the product inner wall after punching a hole, go up the mould subassembly and be provided with ejector pin, ejector pin No. two, ejector pin No. three, ejector pin No. four, ejector pin No. five and ejector pin No. six that correspond with first drift, second drift, third drift, fourth drift, fifth drift and sixth drift respectively, still be provided with the air flue that communicates with the fourth drift in the lower mould subassembly, go up and be provided with the air flue No. two that corresponds the intercommunication with the air flue, still be provided with the waste outlet who links to each other with the air flue No. two in the mould subassembly.

Further, the method comprises the following steps: the contact end of the first punch, the second punch, the third punch and the fourth punch with a product is a right angle, and chamfers are arranged at the top ends of the fifth punch and the sixth punch.

Further, the method comprises the following steps: the end of the first ejector rod, the second ejector rod, the third ejector rod, the fourth ejector rod, the fifth ejector rod and the sixth ejector rod are all arranged in the stop plate and are in sliding connection with the upper concave template, and the upper die assembly is internally provided with a delivery assembly which is used for delivering the first ejector rod, the second ejector rod, the third ejector rod, the fourth ejector rod, the fifth ejector rod and the sixth ejector rod respectively.

Further, the method comprises the following steps: be provided with the through-hole No. one in the upper die base, be provided with the through-hole No. two in the upper padding plate, be provided with the through-hole No. three in the public splint, be provided with the through-hole No. four in the backstop inboard, the through-hole No. one is provided with the internal thread, it includes the plug screw with a screw threaded connection, with a knock off pole and the spring that is used for driving knock off pole motion No. one of public splint and backstop board sliding connection to deliver the subassembly, one end offsets with the plug screw under a spring natural state, and the other end offsets with knock off pole tip No. one.

Further, the method comprises the following steps: the lower die assembly is internally provided with a first equal-height screw and a second spring, one end of the first equal-height screw is fixedly connected with the lower stripper plate, the other end of the first equal-height screw is slidably connected with the lower clamp plate, the lower backing plate and the lower die base, a fifth through hole is formed in the lower die base, a sixth through hole is formed in the lower backing plate, a seventh through hole is formed in the lower clamp plate, the second spring penetrates through the sixth through hole and one end of the seventh through hole to abut against the lower surface of the lower stripper plate, and the other end of the second equal-height screw is arranged in the fifth through hole.

Further, the method comprises the following steps: the improved spring screw assembly comprises an upper die assembly, an upper base plate, a lower die assembly and a male clamping plate, wherein a spring screw assembly used for opening the die is arranged in the upper die assembly, an eight-number through hole is arranged in the upper die base, a nine-number through hole is arranged on the upper base plate, a ten-number through hole is arranged in the male clamping plate, an eleven-number through hole is arranged on the stop plate, a twelve-number through hole is arranged on the upper concave die plate, the spring screw assembly comprises a second knock rod which is in sliding connection with the stop plate and the upper concave die plate, a third spring used for driving the second knock rod, and a second plug screw arranged at the upper end of the eight-number through hole, one end of the third spring is abutted against the second plug screw, and the other end of the third spring is abutted against the second knock rod.

The utility model has the advantages that:

1. the first punch, the second punch, the third punch, the fourth punch, the fifth punch and the sixth punch are arranged, the product can be gradually punched, waste materials directly flow out from the second air passage through the waste material outlet, the problem that the edge of a knife is weak in strength, the service life of a single part is short, and a single finished product rises.

2. Set up equal altitude screw such as No. two springs and a, can make and take off the upward movement that the board can be automatic down during the die sinking for take off the board relatively first drift, second drift, third drift, fourth drift, fifth drift, sixth drift upward movement down, be convenient for remove the material area.

Drawings

Fig. 1 is a schematic structural view of a recoil hole structure mold according to an embodiment of the present application when closing a mold.

Fig. 2 is a schematic structural diagram of a recoil hole structure mold according to an embodiment of the application when the mold is opened.

Labeled as: 1. an upper die holder; 2. an upper base plate; 3. a male splint; 4. a stopper plate; 5. a concave template is arranged; 6. removing the plate; 7. a lower splint; 8. a lower base plate; 9. a lower die holder; 10. a first punch; 11. a second punch; 12. a third punch; 13. A fourth punch; 14. a fifth punch; 15. a sixth punch; 16. a first ejector rod; 17. a second ejector rod; 18. a third ejector rod; 19. a fourth ejector rod; 20. a fifth ejector rod; 21. a sixth ejector rod; 22. an air passage I; 23. a second air passage;

24. a delivery assembly; 25. a first equal-height screw; 26. a second spring; 27. a spring screw assembly; 241. a first screw plug; 242. A first spring; 243. a first striking rod; 271. beating the rod II; 272. a third spring; 273. and a second screw plug.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the recoil hole structure die provided in the embodiment of the present application includes an upper die assembly and a lower die assembly, the upper die assembly includes an upper die base 1, an upper padding plate 2, a male splint 3, a stop plate 4 and an upper cavity plate 5, and the lower die assembly includes a lower stripper plate 6, a lower splint 7, a lower padding plate 8 and a lower die base 9. The punching die is characterized in that a first punch 10, a second punch 11, a third punch 12, a fourth punch 13 for punching a product, a fifth punch 14 and a sixth punch 15 for processing the inner wall of the punched product are arranged on the lower die assembly, the upper die assembly is provided with a first ejector rod 16, a second ejector rod 17, a third ejector rod 18, a fourth ejector rod 19, a fifth ejector rod 20 and a sixth ejector rod 21 which are respectively corresponding to the first punch 10, the second punch 11, the third punch 12, the fourth punch 13, the fifth punch 14 and the sixth punch 15, a first air passage 22 communicated with the fourth punch 13 is further arranged in the lower die assembly, a second air passage 23 communicated with the first air passage 22 is correspondingly arranged in the upper die assembly, and a waste outlet connected with the second air passage 23 is further arranged.

It should be noted that the semi-finished product to be molded is conveyed to the mold from the material belt for molding.

The during operation, the material area removes the stride punching press and begins, goes up the mould subassembly and moves down, goes up 5 laminating material areas of die board and moves down, takes the contact of material and takes off 6 downstream of board, takes off when 6 contact lower plate 7 of board accomplish the shaping down, and fourth drift 13 breaks the material area simultaneously, and air flue 22 admits air and forces the waste material to move to the top, and then the waste material flows from the waste outlet through No. two air flues 23.

In the design, the first punch 10, the second punch 11, the third punch 12, the fourth punch 13, the fifth punch 14 and the sixth punch 15 are arranged, so that the product can be gradually punched, the waste directly flows out from the waste outlet through the second air passage 23, the problem that the edge strength is weak, the service life of a single part is short, and a single finished product rises is solved.

Specifically, the method comprises the following steps: the contact ends of the first punch 10, the second punch 11, the third punch 12 and the fourth punch 13 and the product are right-angled, and the top ends of the fifth punch 14 and the sixth punch 15 are provided with chamfers.

In operation, the first punch 10 performs primary stretching on a product, the second punch 11 and the third punch 12 perform further punching on the product, then the fourth punch 13 performs punching on the product, and after the punching, the fifth punch 14 and the sixth punch 15 perform further correction on the product.

In the above design, compared with a single part, the first punch 10, the second punch 11, the third punch 12 and the fourth punch 13 are perpendicular to the end of the product in contact with the product, and can stretch the product, and the top ends of the fifth punch 14 and the sixth punch 15 are provided with chamfers. The final shape of the product can be achieved. Compare the single-part and punch a hole to the product shaping, this kind of mode has reduced the product defective rate.

Specifically, the method comprises the following steps: as shown in fig. 1 and 2, the ends of the first ejector rod 16, the second ejector rod 17, the third ejector rod 18, the fourth ejector rod 19, the fifth ejector rod 20 and the sixth ejector rod 21 are all arranged in the stop plate 4 and are slidably connected with the upper concave template 5, and the upper die assembly is provided with a delivery assembly 24 which is respectively used for delivering the first ejector rod 16, the second ejector rod 17, the third ejector rod 18, the fourth ejector rod 19, the fifth ejector rod 20 and the sixth ejector rod 21.

During work, in the die opening process, the first ejector rod 16, the second ejector rod 17, the third ejector rod 18, the fourth ejector rod 19, the fifth ejector rod 20 and the sixth ejector rod 21 respectively exert a downward acting force on a product below the first ejector rod 16, the second ejector rod 17, the third ejector rod 18, the fourth ejector rod 19, the fifth ejector rod 20 and the sixth ejector rod 21 under the action of the delivery assembly 24, so that the product is separated from the upper die assembly.

In the above-mentioned design, can realize breaking away from fast of product and last mould subassembly.

Specifically, the method comprises the following steps: as shown in fig. 1 and fig. 2, a through hole is provided in the upper die base 1, a through hole is provided in the upper backing plate 2, a through hole is provided in the male splint 3, a through hole is provided in the stopper plate 4, the through hole is provided with an internal thread, the delivery component 24 includes a plug screw 241 in threaded connection with a screw hole, a knock rod 243 in sliding connection with the male splint 3 and the stopper plate 4, and a spring 242 for driving the knock rod 243 to move, one end of the spring 242 abuts against the plug screw 241 in a natural state, and the other end abuts against the end of the knock rod 243.

When the upper die assembly and the lower die assembly are assembled in operation, the first striking rod 243 slides upwards and upwards relative to the male clamping plate 3 and the stop plate 4, and the first spring 242 is compressed; during demolding, the first spring 242 is reset, the first striking rod 243 slides downwards relative to the stop plate 4 and the male clamping plate 3 under the action of the first spring 242, and the first ejector rod 16, the second ejector rod 17, the third ejector rod 18, the fourth ejector rod 19, the fifth ejector rod 20 and the sixth ejector rod 21 are driven to press a product downwards.

In the design, the downward acting force of the first spring 242 on the first knockout pin 243 during die opening can be utilized, so that the first knockout pin 243 drives the first ejector rod 16, the second ejector rod 17, the third ejector rod 18, the fourth ejector rod 19, the fifth ejector rod 20 and the sixth ejector rod 21 to press the product downwards, and the product is automatically separated from the upper die assembly.

Specifically, the method comprises the following steps: as shown in fig. 1 and 2, a first equal-height screw 25 and a second spring 26 are arranged in the lower die assembly, one end of the first equal-height screw 25 is fixedly connected with the lower stripper plate 6, the other end of the first equal-height screw is slidably connected with the lower clamp plate 7, the lower cushion plate 8 and the lower die base 9, a fifth through hole is arranged in the lower die base 9, a sixth through hole is arranged in the lower cushion plate 8, a seventh through hole is arranged in the lower clamp plate 7, the second spring 26 penetrates through the sixth through hole and one end of the seventh through hole to abut against the lower surface of the lower stripper plate 6, and the other end of the second equal-height screw is arranged in the fifth through hole.

In actual work, when the die is closed, the lower stripper plate 6, the lower clamping plate 7, the lower backing plate 8 and the lower die holder 9 are tightly attached to each other, and the second spring 26 is contracted under the force of the lower stripper plate 6; when the mold is opened, the second spring 26 is reset to drive the lower stripper plate 6 to move upwards, and at the moment, the lower stripper plate 6 drives the first-grade screws 25 to slide upwards relative to the lower clamping plate 7, the lower backing plate 8 and the lower mold base 9.

In the design, the second spring 26 and the first equal-height screw 25 are arranged, so that the lower stripping plate 6 can automatically move upwards during die opening, the lower stripping plate 6 moves upwards relative to the first punch 10, the second punch 11, the third punch 12, the fourth punch 13, the fifth punch 14 and the sixth punch 15, and the material belt is convenient to move.

Specifically, the method comprises the following steps: as shown in fig. 1 and 2, be provided with the spring screw subassembly 27 that is used for the die sinking in the last die assembly, be provided with No. eight through-holes in the upper die base 1, be provided with No. nine through-holes on the upper padding plate 2, be provided with No. ten through-holes in the public splint 3, be provided with No. eleven through-holes on the backstop board 4, be provided with No. twelve through-holes on the upper die plate 5, spring screw subassembly 27 includes the pole 271 of beating No. two with backstop board 4 and upper die plate 5 sliding connection, is used for driving No. three spring 272 of No. two pole 271, sets up No. two corkscrew 273 in No. eight through-hole upper end, No. three spring 272 one end offsets with No. two corkscrew 273, No. three spring 272 other end offsets with No. two pole 271.

It should be noted that one end of the second striking rod 271 extends out of the lower bottom surface of the upper cavity plate 5 when the mold is opened.

During working, in the mold closing process, the second striking rod 271 is firstly contacted with the lower stripper plate 6, and after the mold closing is finished, the upper concave template 5 is tightly attached to the lower stripper plate 6; in the demolding process, the third spring 272 drives the second striking rod 271 to move downwards, so that the material belt is separated from the upper die assembly.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a recoil hole structure mould, includes mould assembly and lower mould assembly, it includes upper die base (1), upper padding plate (2), public splint (3), backstop board (4) and last die board (5) to go up mould assembly, lower mould assembly is including taking off board (6), lower plate (7), lower bolster (8) and die holder (9) down, its characterized in that: the lower die assembly is provided with a first punch (10), a second punch (11), a third punch (12), a fourth punch (13) for punching a product, a fifth punch (14) and a sixth punch (15) for processing the inner wall of the punched product, the upper die assembly is provided with a first ejector rod (16), a second ejector rod (17), a third ejector rod (18), a fourth ejector rod (19), a fifth ejector rod (20) and a sixth ejector rod (21) which correspond to the first punch (10), the second punch (11), the third punch (12), the fourth punch (13), the fifth punch (14) and the sixth punch (15) respectively, a first air passage (22) communicated with the fourth punch (13) is further arranged in the lower die assembly, and a second air passage (23) correspondingly communicated with the first air passage (22) is arranged in the upper die assembly, a waste material outlet connected with the second air channel (23) is also arranged.

2. The recoil pore structure mold of claim 1, wherein: the first punch head (10), the second punch head (11), the third punch head (12) and the fourth punch head (13) are perpendicular to one end of a product in contact, and chamfers are arranged at the top ends of the fifth punch head (14) and the sixth punch head (15).

3. The recoil hole structure die of claim 1, wherein: the end of the first ejector rod (16), the second ejector rod (17), the third ejector rod (18), the fourth ejector rod (19), the fifth ejector rod (20) and the sixth ejector rod (21) is arranged in the stop plate (4) and is in sliding connection with the upper concave template (5), and a delivery component (24) which is used for delivering the first ejector rod (16), the second ejector rod (17), the third ejector rod (18), the fourth ejector rod (19), the fifth ejector rod (20) and the sixth ejector rod (21) is arranged in the upper die component.

4. The recoil pore structure mold of claim 3, wherein: be provided with a through-hole in upper die base (1), be provided with the through-hole No. two in upper padding plate (2), be provided with the through-hole No. three in public splint (3), be provided with the through-hole No. four in backstop board (4), a through-hole is provided with the internal thread, to sending subassembly (24) including with a screw thread connection a plug screw (241), with public splint (3) and backstop board (4) sliding connection's a knockout pin (243) and be used for driving a spring (242) of knockout pin (243) motion, one end offsets with a plug screw (241) under spring (242) natural state, and the other end offsets with a knockout pin (243) tip.

5. The recoil pore structure mold of claim 1, wherein: a first equal-height screw (25) and a second spring (26) are arranged in the lower die assembly, one end of the first equal-height screw is fixedly connected with the lower stripping plate (6), the other end of the first equal-height screw is slidably connected with the lower clamping plate (7), the lower base plate (8) and the lower die base (9), a fifth through hole is formed in the lower die base (9), a sixth through hole is formed in the lower base plate (8), a seventh through hole is formed in the lower clamping plate (7), the second spring (26) penetrates through the sixth through hole and one end of the seventh through hole to abut against the lower surface of the lower stripping plate (6), and the other end of the second equal-height screw is arranged in the fifth through hole.

6. The recoil pore structure mold of claim 1, wherein: go up the mould subassembly and be provided with spring screw subassembly (27) that are used for the die sinking, be provided with No. eight through-holes in upper die base (1), be provided with No. nine through-holes on upper padding plate (2), be provided with No. ten through-holes in public splint (3), be provided with No. eleven through-holes on backstop board (4), go up and be provided with No. twelve through-holes on cavity die board (5), spring screw subassembly (27) include with backstop board (4) and last cavity die board (5) sliding connection play pole (271), be used for driving No. two No. three spring (272) of beating pole (271), set up No. two plug screw (273) in No. eight through-holes upper ends, No. three spring (272) one end offsets with No. two plug screw (273), No. three spring (272) other end offsets with No. two plug screw (271).