CN216966020U

CN216966020U - Bidirectional rotary bending die

Info

Publication number: CN216966020U
Application number: CN202220115927.XU
Authority: CN
Inventors: 倪正中
Original assignee: Zhejiang Zhongrui Intelligent Manufacturing Co ltd
Current assignee: Zhejiang Zhongrui Intelligent Manufacturing Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-15
Anticipated expiration: 2032-01-17

Abstract

The utility model provides a bidirectional rotary bending die, and belongs to the field of stamping dies. It has solved current punching press unstability, places the unevenness and leads to the punching press not to the bit problem. This mould of two-way rotation bending, the middle part of mould on the punching press still is connected with the punching press sleeve, still install the drift in the punching press sleeve, punching press lower mould inlay card is in the recess of operation platform, the mounting groove that supplies the mould embedding of buckling is seted up at the middle part of punching press lower mould, and the upper surface of support column supports and leans on in the mould bottom of buckling, and the lower surface of support column supports and leans on the operation platform, positioning die one and positioning die two install respectively in both sides spout department, the one end of slider one is connected with the bottom of positioning die one, and the one end of slider two is connected with the bottom of positioning die two, slider one all still is connected with the driver with slider two. The structure has simple stamping, reduces the time of operators, increases the production efficiency and improves the stamping stability.

Description

Bidirectional rotary bending die

Technical Field

The utility model belongs to the technical field of stamping dies, and relates to a bidirectional rotary bending die.

Background

The stamping die is called stamping machine for short, also called press, and is a device used for pressure processing of materials. The working principle of the stamping die is that the stamping die drives the upper die and the lower die to open and close under the action of stamping power, and raw materials between the upper die and the lower die are shaped by cutting, punching, stretching and the like to form a stamping part.

The existing punching machine can only perform shearing, punching, stretching and other operations generally, however, after the punching operation, bending processing is performed according to the actual needs of the product, and the use design requirements of the product can be met.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a bidirectional rotary bending die with compact structure and high stability.

The purpose of the utility model can be realized by the following technical scheme:

a bidirectional rotary bending die comprises an operating platform with a groove formed in the middle, and is characterized by further comprising an upper stamping die and a lower stamping die, wherein the middle of the upper stamping die is further connected with a stamping sleeve, a punch is further installed in the stamping sleeve, the lower stamping die is embedded in the groove of the operating platform in a clamping manner, a guide rail is further arranged on the operating platform, a through hole is further formed in the middle of the operating platform, the lower stamping die further comprises a bending die, a first positioning die and a second positioning die, a mounting groove for the embedding of the bending die is formed in the middle of the lower stamping die, the mounting groove is communicated with the through hole, a support column is arranged in the mounting groove, the upper surface of the support column is abutted against the bottom of the bending die, the lower surface of the support column is abutted against the operating platform, a worm is further arranged on the lower portion of the support column, the worm is penetratingly arranged in the through hole and is meshed with a worm wheel in the middle of the operating platform, the mounting groove is formed in the two sides of the mounting groove, sliding grooves are formed in the two sides of the mounting groove respectively, a first positioning die and a second positioning die are mounted at the sliding grooves in the two sides respectively, a first sliding block and a second sliding block are further connected to the guide rail, one end of the first sliding block is connected with the bottom of the first positioning die, one end of the second sliding block is connected with the bottom of the second positioning die, the first sliding block and the second sliding block are further connected with drivers, and the first sliding block and the second sliding block are driven to move along the guide rail through the drivers on the two sides of the guide rail.

The lower stamping die is arranged in a groove on the workbench, the upper stamping die is arranged right above the lower stamping die, the middle part of the upper stamping die is also connected with a stamping sleeve, a stamping head sleeve is sleeved and connected in the stamping sleeve, a mounting groove of the lower stamping die is just opposite to a stamping head of the upper stamping die, the mounting groove penetrates through the lower stamping die, a support column is arranged in the mounting groove, a bending die is arranged in the mounting groove and is fixedly connected with the upper surface of the support column, the lower part of the support column is also provided with a worm which is meshed and connected with a worm wheel in the middle part of the workbench, a guide rail is arranged in the workbench, two sides of the mounting groove are also provided with sliding grooves, a first positioning die and a second positioning die are respectively arranged in the sliding grooves on two sides of the mounting groove, the first positioning die and the second positioning die are respectively connected with a first sliding block and a second sliding block on two sides of the guide rail, the bending die is positioned in the mounting groove and is arranged on the upper surface of the support column, the upper and lower positions of the bending die can be adjusted through a worm gear on the operation table, the punch can effectively protect the die during downward punching, the first slider and the second slider are driven by the driver, the first positioning die and the second positioning die are moved to the side of the bending die and are both abutted against the edge of the bending die, the surfaces of the first positioning die, the second positioning die and the bending die are flush with each other, a flat area to be punched is formed by the first positioning die, the second positioning die and the upper surface of the bending die, a product to be punched is placed in the area to be punched, and the first positioning die and the second positioning die can lock the product to be punched in the area to be punched simultaneously, so that the structure is simple to punch, the time of operators is reduced, the production efficiency is increased, the punching stability is greatly improved, and the punching consistency is improved, so that the lengths of the two ends of the bent product are consistent.

In foretell mould of two-way rotation bending, the mould of buckling is cylindrically, and has seted up the die cavity in the middle part, the keyway that supplies positioning die one and two embeddings of positioning die is still seted up to the both sides in die cavity, the bottom of the mould of buckling still has and is the circular shape contact site, still seted up the bolt hole on the contact site, and make the contact site connect on the support column through the bolt, the upper surface of support column still has anti-skidding line.

The mould of buckling is cylindricly, and buckle and seted up the bolt hole on the circular shape contact site in mould bottom, the bolt is worn to establish in the bolt hole, and connect the upper portion at the support column, the connection stability between mould of buckling and the support column has been increased, the upper surface at the support column still is equipped with anti-skidding line simultaneously, the increase that can be further is buckled the compactness of being connected between mould and the support column, the die cavity and the drift phase-match that the mould middle part was seted up buckle, positioning die one and positioning die two can the inlay card on the mould of buckling, and positioning die one, positioning die two forms a punching press region with the die cavity in the mould of buckling jointly, can be convenient for punching press and drawing of patterns, can effectually prevent the chucking of product at the die cavity behind the punching press.

In the bidirectional rotary bending die, the first positioning die and the second positioning die are both in an L shape, the upper surfaces of the first positioning die and the second positioning die are provided with anti-skidding convex points, the inner sides of the first positioning die and the second positioning die are provided with arc transition portions, the upper portions of the first positioning die and the second positioning die are provided with leading-in portions, and the leading-in portions are chamfers or fillets.

The anti-skidding salient points can enable to treat that a stamping product is stably placed on a first positioning die and a second positioning die, the first positioning die and the leading-in part on the second positioning die can be convenient for treat that the stamping product is better placed in a first positioning die and a second positioning die to treat a stamping area, the first positioning die and the arc transition part on the second positioning die can be convenient for leading-in stamping, and meanwhile, the product can be conveniently taken out in a demoulding mode.

In the bidirectional rotary bending die, the supporting column is further provided with connecting holes matched with the bolt holes, the number of the bolt holes is provided with a plurality of bolt holes, the bolt holes are annularly and uniformly distributed on the bending die, and the number of the connecting holes corresponds to the number of the bolt holes one to one.

Set up on the support column with bolt hole assorted connecting hole, the quantity of bolt hole and the quantity one-to-one of connecting hole, the mould of buckling supports and leans on the support column and the bolt hole is corresponding with the connecting hole, through wear to establish the bolt on bolt hole and connecting hole to the mould of will buckling is connected on the support column, the holistic joint strength of increase that can be great, make the mould of buckling can stabilize firm connection on the support column more.

In the bidirectional rotary bending die, four corners of the upper punching die and the lower punching die are respectively provided with a first spring column and a second spring column, the first spring column is sleeved in the second spring column, a limiting spring is further arranged in the second spring column, one end of the limiting spring abuts against the bottom of the first spring column, the other end of the limiting spring abuts against the second spring column, and the first spring column is further sleeved with a reset spring.

Four corners of the upper stamping die and the lower stamping die are respectively provided with a first spring column and a second spring column, the first spring column is embedded into the second spring column, and after stamping, the upper stamping die can reset under the combined action of a return spring on the first spring column and the second spring column and a limiting spring sleeved in the second spring column.

In the bidirectional rotary bending die, the workbench is further provided with a graduated scale, and the graduated scale is located at the first positioning die and the second positioning die.

The graduated scale is located positioning die one and positioning die two, when placing and treat the punching press product, thereby can be according to the length and size adjustment positioning die one of treating the punching press product and the interval between the positioning die two for treat that the punching press product can be better place the locking treat the punching press region.

In the bidirectional rotary bending die, the first positioning die and the second positioning die are flush with the upper surface of the bending die.

The first positioning die and the second positioning die form a smooth region to be punched with the upper surface of the bending die, and a product to be punched can be placed in the region to be punched for punching.

Compared with the prior art, the bidirectional rotary bending die has the advantages that the first positioning die, the second positioning die and the upper surface of the bending die form a flat to-be-punched area, the first sliding block and the second sliding block can be respectively driven by the two drivers at the guide rail to move, the first positioning die is driven by the sliding block to move, the second positioning die is driven by the second sliding block to move, so that the distance between the first positioning die and the second positioning die can be adjusted according to the length of a to-be-punched product, the to-be-punched area between the first positioning die, the second positioning die and the bending die can be adjusted, the heights of the support column and the bending die can be adjusted by the worm and the worm wheel at the lower part of the support column, a punch head on an upper punching die can better adjust the height of the bending die according to the type, the length and the thickness of the to-be-punched product, and the middle part of the bending die is clamped and embedded in the lower die to be punched according to the size of the to-be-punched product, only need change the mould of buckling, just can continue to carry out the punching press, great reduction change the time of whole upper and lower mould, reduce operating personnel's time, increase production efficiency, great improvement the stability of punching press, improve the punching press uniformity for the both ends length of the back product of buckling is unanimous.

Drawings

Fig. 1 is a schematic structural view of the present bidirectional rotary bending die.

Fig. 2 is a schematic structural view of the bidirectional rotary bending die during punching.

Fig. 3 is a schematic view of the structure of the bending die in the bidirectional rotary bending die.

In the figure, 1, a workbench; 1a, a groove; 1b, a guide rail; 1c, a through hole; 2. stamping an upper die; 3. stamping a lower die; 3a, mounting grooves; 4. punching a sleeve; 5. a punch; 6. bending the die; 6a, a concave die groove; 6b, a key groove; 6c, a contact portion; 7. positioning a first mold; 8. Positioning a second mold; 9. a support pillar; 10. a worm; 11. a first sliding block; 12. a second sliding block; 13. a driver; 14. a worm gear; 15. a circular arc transition portion; 16. an introduction section; 17. connecting holes; 18. bolt holes; 19. a first spring post; 20. a second spring column; 21. a limiting spring; 22. a return spring; 23. a chute.

Detailed Description

As shown in fig. 1, 2 and 3, the bidirectional rotary bending die comprises a workbench 1 with a groove in the middle, an upper stamping die 2 and a lower stamping die 3, wherein the middle of the upper stamping die 2 is further connected with a stamping sleeve 4, a punch 5 is sleeved in the stamping sleeve 4, the lower stamping die 3 is embedded in the groove 1a of the workbench 1 in a clamping manner, the workbench 1 is further provided with a guide rail 1b, the workbench 1 is further provided with a through hole 1c in the middle, the lower stamping die 3 further comprises a bending die 6, a first positioning die 7 and a second positioning die 8, the middle of the lower stamping die 3 is provided with an installation groove 3a for embedding the bending die 6, the installation groove 3a is communicated with the through hole 1c, a support pillar 9 is arranged in the installation groove 3a, the upper surface of the support pillar 9 abuts against the bottom of the bending die 6, and the lower surface of the support pillar 9 abuts against the workbench 1, the lower part of support column 9 still is equipped with worm 10, worm 10 wears to establish in through-hole 1c and meshes mutually with the worm wheel 14 at operation platform 1 middle part, spout 23 has been seted up respectively to the both sides of mounting groove 3a, positioning die 7 and positioning die two 8 are installed respectively in both sides spout 23 department, still be connected with slider one 11 and slider two 12 on the guide rail 1b, and the one end of slider one 11 is connected with the bottom of positioning die one 7, and the one end of slider two 12 is connected with the bottom of positioning die two 8, slider one 11 and slider two 12 all still are connected with driver 13, and the driver 13 through guide rail 1b both sides drives slider one 11 and slider two 12 and removes along guide rail 1 b.

Bending die 6 is cylindrical, and the middle part has seted up die cavity 6a, the keyway 6b that supplies positioning die 7 and two 8 embeddings of positioning die is still seted up to die cavity 6 a's both sides, bending die 6's bottom still has and is circular shape contact site 6c, bolt hole 18 has still been seted up on contact site 6c, and makes contact site 6c connect on support column 9 through the bolt, support column 9's upper surface still has anti-skidding line.

The first positioning mold 7 and the second positioning mold 8 are both L-shaped, the upper surfaces of the first positioning mold 7 and the second positioning mold 8 are provided with anti-skidding convex points, the inner sides of the first positioning mold 7 and the second positioning mold 8 are provided with arc transition portions 15, the upper portions of the first positioning mold 7 and the second positioning mold 8 are provided with leading-in portions 16, and the leading-in portions 16 are chamfers or fillets.

The supporting column 9 is further provided with connecting holes 17 matched with the bolt holes 18, the number of the bolt holes 18 is provided with a plurality of bolt holes 18, the bolt holes 18 are annularly and uniformly distributed on the bending die 6, and the number of the connecting holes 17 corresponds to the number of the bolt holes 18 one to one.

Four edges of mould 2 and punching press lower mould 3 are equipped with spring post one 19, spring post two 20 respectively in the punching press, spring post one 19 cover is established in spring post two 20, still have spacing spring 21 in the spring post two 20, the one end of spacing spring 21 supports and leans on the bottom of spring post one 19, and the other end supports and leans on spring post two 20, still overlap on the spring post one 19 and be equipped with reset spring 22.

The workbench 1 is also provided with a graduated scale which is positioned at the first positioning die 7 and the second positioning die 8.

The first positioning die 7 and the second positioning die 8 are flush with the upper surface of the bending die 6.

The middle of the upper stamping die 2 is also connected with a stamping sleeve 4, a punch 5 is sleeved and connected in the stamping sleeve 4, the lower stamping die 3 is arranged in a groove 1a on the workbench 1, the upper stamping die 2 is arranged right above the lower stamping die 3, a mounting groove 3a of the lower stamping die 3 is right opposite to the punch 5 of the upper stamping die 2, the mounting groove 3a penetrates through the lower stamping die 3, the bending die 6 is abutted against a support pillar 9, a bolt hole 18 corresponds to a connecting hole 17, the bending die 6 is connected to the support pillar 9 by penetrating bolts through the bolt hole 18 and the connecting hole 17, the upper surface of the support pillar 9 is also provided with anti-skid grains, the connection tightness between the bending die 6 and the support pillar 9 can be further increased, a flat area to be stamped is formed by the first positioning die 7, the second positioning die 8 and the upper surface of the bending die 6, and the first slider 11 and the second slider 12 can be respectively driven to move by two drivers 13 at the guide rail 1b, the first slide block 11 drives the first positioning die 7 to move, the second slide block 12 drives the second positioning die 8 to move, so that the distance between the first positioning die 7 and the second positioning die 8 can be adjusted according to the length of a product to be punched, and then the area to be punched between the first positioning die 7, the second positioning die 8 and the bending die 6 can be adjusted, meanwhile, the height of the bending die 6 can be adjusted through the worm gear 14 and the worm 10 on the operation table, so that the punch 5 on the upper punching die 2 can better adjust the height of the bending die 6 according to the type, length and thickness of the product to be punched, the anti-skid salient points can enable the product to be punched to be stably placed on the first positioning die 7 and the second positioning die 8, the leading-in part 16 can facilitate the product to be better placed on the area to be punched on the first positioning die 7 and the second positioning die 8, and the arc transition part 15 can facilitate leading-in punching, meanwhile, the product is convenient to demold and take out, the height of the bending die 6 is adjusted according to the size of the product to be punched, the first slider 11 and the second slider 12 are driven by the two drivers 13, so that the first positioning die 7 and the second positioning die 8 approach to the bending die 6, finally, a flat area to be punched formed by the first positioning die 7, the second positioning die 8 and the bending die 6 is matched with the size of the product to be punched, the upper punching die is driven by an external driving cylinder, so that the punch 5 on the upper punching die 2 is displaced downwards and contacts the product to be punched on the area to be punched for punching, and the upper punching die 2 can reset under the combined action of the return spring 22 on the first spring column 19 and the limiting spring sleeved in the second spring column 20 after punching, so that the structure is simple in punching, the time of an operator is reduced, and the production efficiency is increased, simultaneously if need change the punching press product, only need to change corresponding drift 5 and buckle mould 6 to the adjustment is buckled the positioning die 7 and the positioning die two 8 of 6 both sides of mould, alright carry out the great reduction of punching press and changed the time of the whole upper and lower mould of cover, reduce operating personnel's time, great improvement the stability of punching press, improve the punching press uniformity.

Claims

1. A bidirectional rotary bending die comprises an operating platform with a groove formed in the middle, and is characterized by further comprising an upper stamping die and a lower stamping die, wherein the middle of the upper stamping die is further connected with a stamping sleeve, a punch is further installed in the stamping sleeve, the lower stamping die is embedded in the groove of the operating platform in a clamping manner, a guide rail is further arranged on the operating platform, a through hole is further formed in the middle of the operating platform, the lower stamping die further comprises a bending die, a first positioning die and a second positioning die, a mounting groove for the embedding of the bending die is formed in the middle of the lower stamping die, the mounting groove is communicated with the through hole, a support column is arranged in the mounting groove, the upper surface of the support column is abutted against the bottom of the bending die, the lower surface of the support column is abutted against the operating platform, a worm is further arranged on the lower portion of the support column, the worm is penetratingly arranged in the through hole and is meshed with a worm wheel in the middle of the operating platform, the mounting groove is formed in the two sides of the mounting groove, sliding grooves are formed in the two sides of the mounting groove respectively, a first positioning die and a second positioning die are mounted at the sliding grooves in the two sides respectively, a first sliding block and a second sliding block are further connected to the guide rail, one end of the first sliding block is connected with the bottom of the first positioning die, one end of the second sliding block is connected with the bottom of the second positioning die, the first sliding block and the second sliding block are further connected with drivers, and the first sliding block and the second sliding block are driven to move along the guide rail through the drivers on the two sides of the guide rail.

2. The bidirectional rotary bending die according to claim 1, wherein the bending die is cylindrical, a cavity is formed in the middle of the bending die, key grooves for the first positioning die and the second positioning die to be embedded are formed in two sides of the cavity, a circular contact portion is further formed in the bottom of the bending die, a bolt hole is further formed in the contact portion, the contact portion is connected to the supporting column through a bolt, and anti-slip patterns are further formed in the upper surface of the supporting column.

3. The bidirectional rotary bending die according to claim 2, wherein the first positioning die and the second positioning die are both L-shaped, the upper surfaces of the first positioning die and the second positioning die are both provided with anti-skidding bumps, the inner sides of the first positioning die and the second positioning die are both provided with arc transition portions, the upper portions of the first positioning die and the second positioning die are also provided with leading-in portions, and the leading-in portions are chamfers or fillets.

4. The die for bidirectional rotary bending according to claim 3, wherein the support pillar is further provided with a plurality of connecting holes matched with the bolt holes, the bolt holes are annularly and uniformly distributed on the bending die, and the number of the connecting holes corresponds to the number of the bolt holes.

5. The die for bidirectional rotary bending according to claim 4, wherein a first spring post and a second spring post are respectively arranged at four corners of the upper stamping die and the lower stamping die, the first spring post and the second spring post are sleeved in the first spring post, a limiting spring is further arranged in the second spring post, one end of the limiting spring abuts against the bottom of the first spring post, the other end of the limiting spring abuts against the second spring post, and a return spring is further sleeved on the first spring post.

6. The bidirectional rotary bending die according to claim 5, wherein the worktable is further provided with a graduated scale, and the graduated scale is located at the first positioning die and the second positioning die.

7. The bidirectional rotary bending die of claim 6, wherein the first positioning die and the second positioning die are flush with the upper surface of the bending die.