CN217044230U - Die for punching array holes - Google Patents

Abstract

The utility model discloses a die-cut array hole's mould, including the lower mould, go up the mould and press the material seat, be provided with a plurality of guide pillar guide pin bushing subassemblies between lower mould and the last mould, it can gliding setting in the top of lower mould from top to bottom through guide pillar guide pin bushing subassembly to go up the mould, guide pillar guide pin bushing subassembly is including four many edges and corners guide pillar guide pin bushing subassemblies that are located last mould and lower mould four corners and four round guide pillar guide pin bushing subassemblies that are located between four many edges and corners guide pillar guide pin bushing subassemblies, the upside fixedly connected with guide material seat of lower mould, the bottom of going up the mould is provided with the connection guide pillar, press the material seat through connecting the guide pillar and go up the unsteady connection of mould elasticity. The utility model discloses it is the setting of elasticity unsteady state directly over the lower mould to go up the mould, presses the material seat to also be the setting of elasticity unsteady state directly over the guide seat simultaneously, when the punch press execution end starts, goes up mould pressurized downstream, because press the material seat and the connected state of last mould, press the material seat to move down in step and elasticity to press on the material of guide seat takes, can effectively avoid the material area to take place the skew, and the machining precision is higher.

Description

Die for punching array holes

Technical Field

The utility model relates to a mould field specifically is a die-cut array hole's mould.

Background

The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, with different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

At present, the structure function of some dies for punching array holes is single, and the material belt is generally long, so that the die is easy to deviate in punching processing, and the high working precision is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a die-cut array hole's mould.

In order to achieve the above object, the utility model provides a following technical scheme: a die for punching array holes comprises a lower die, an upper die and a material pressing seat, wherein a plurality of guide pillar and guide sleeve assemblies are arranged between the lower die and the upper die, the upper die is arranged above the lower die in a vertically sliding manner through the guide pillar and guide sleeve assembly, the guide pillar and guide sleeve assembly comprises four multi-corner guide pillar and guide sleeve assemblies positioned at four corners of the upper die and the lower die and four round guide pillar and guide sleeve assemblies positioned between the four multi-corner guide pillar and guide sleeve assemblies, the upper side of the lower die is fixedly connected with a material guide seat, the bottom of the upper die is provided with a connecting guide post, the material pressing seat is elastically and floatingly connected with the upper die through the connecting guide post, a material pressing spring sleeved outside the connecting guide post is arranged between the material pressing seat and the upper die, the upper side of the material pressing spring is provided with an equal-height sleeve positioned outside the connecting guide pillar, the bottom of the upper die is fixedly connected with a punching knife, and avoidance holes corresponding to the punching knife are formed in the material pressing seat and the material guiding seat.

Preferably, the four multi-edge guide pillar and guide sleeve assemblies comprise multi-edge guide pillars fixedly connected with the lower die, the multi-edge guide pillars are sleeved outside the multi-edge guide pillars, a multi-edge bushing with balls is arranged between the multi-edge guide pillars and the multi-edge guide pillars, and the lower end of the multi-edge bushing is abutted to a spring arranged outside the multi-edge guide pillars.

Preferably, the circular guide pillar and guide sleeve assembly comprises a circular guide pillar fixedly connected with the lower die, a circular guide sleeve matched with the circular guide pillar is arranged on the outer side of the circular guide pillar, and a circular bushing with balls is arranged between the circular guide sleeve and the circular guide pillar.

Preferably, the number of the stamping knives is multiple, and the multiple stamping knives are arranged at the bottom of the upper die at equal intervals in a linear array.

Preferably, the upper ends of the polygonal guide post and the circular guide post are both in threaded connection with a blocking cover.

Preferably, the number of the connecting guide pillars is multiple, and the connecting guide pillars are uniformly distributed between two adjacent punching knives.

Preferably, the lower die is internally provided with discharge holes corresponding to the avoidance hole positions one by one.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses it sets up directly over the lower mould to go up the mould is elasticity unsteady state, press the material seat to also be elasticity unsteady state setting directly over the guide seat simultaneously, when the punch press execution end starts, go up mould pressurized downstream, because press the material seat and the connected state of last mould, press the material seat to move down in step and elasticity supports and press on the material of guide seat takes, can effectively avoid the material area to take place the skew, continuously pushing down along with last mould, the die cutter pushes down along with last mould, wear the material seat, material area and lower mould, thereby form array hole on the material area, die-cut back that finishes, lift on the mould, press the material seat still elasticity to support at this moment and press on the material area, when lifting the take place height on last mould, press the material seat just to break away from with the material area, the machining precision is higher.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural view of a local cross section of the present invention.

In the figure: 1. a lower die; 2. an upper die; 3. a material pressing seat; 4. a multi-corner guide post and guide sleeve assembly; 41. a multi-cornered guide post; 42. a multi-edge guide sleeve; 43. a polygonal corner bushing; 44. a spring; 5. a circular guide post and guide sleeve assembly; 51. a circular guide post; 52. a circular guide sleeve; 53. a circular bushing; 6. a material guiding seat; 7. connecting the guide post; 8. a material pressing spring; 9. a contour sleeve; 10. punching a cutter; 11. avoiding holes; 12. and a discharge hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a die for punching array holes comprises a lower die 1, an upper die 2 and a pressing base 3, wherein a plurality of guide post and guide sleeve assemblies are arranged between the lower die 1 and the upper die 2, the upper die 2 is arranged above the lower die 1 in a vertically sliding manner through the guide post and guide sleeve assemblies, each guide post and guide sleeve assembly comprises four multi-corner guide post and guide sleeve assemblies 4 positioned at four corners of the upper die 2 and the lower die 1 and four round guide post and guide sleeve assemblies 5 positioned between the four multi-corner guide post and guide sleeve assemblies 4, a guide base 6 is fixedly connected to the upper side of the lower die 1, a connecting guide post 7 is arranged at the bottom of the upper die 2, the pressing base 3 is elastically connected with the upper die 2 in a floating manner through the connecting guide post 7, a pressing spring 8 sleeved outside the connecting guide post 7 is arranged between the pressing base 3 and the upper die 2, an equal-height sleeve 9 positioned outside the connecting guide post 7 is arranged on the upper side of the pressing spring 8, and a connecting guide post 7 is arranged between the pressing base 3 and the upper die 2, The material pressing spring 8 and the equal-height sleeve 9 can enable the material pressing seat 3 to be connected with the upper die 2 in a sliding mode, meanwhile, the material pressing seat 3 is arranged right above the material guide seat 6 in an elastic floating state, the bottom of the upper die 2 is fixedly connected with a plurality of stamping knives 10 distributed in a linear array mode, avoidance holes 11 corresponding to the positions of the stamping knives 10 are formed in the material pressing seat 3 and the material guide seat 6, discharge holes 12 corresponding to the positions of the avoidance holes 11 one by one are formed in the lower die 1, stamped and cut-off crushed materials are discharged through the discharge holes 12, the die is installed on a punching machine, when a punching machine end is started, the upper die 2 is pressed downwards, due to the connection state of the material pressing seat 3 and the upper die 2, the material pressing seat 3 synchronously moves downwards and elastically presses against a material belt of the material guide seat 6, the stamping knives 10 are pressed downwards along with the upper die 2 along with the continuous pressing of the upper die 2 and penetrate through the material belt seat 3, the lower die 2, so that material belt array holes are formed in the material belt, after punching, the upper die 2 is lifted, the pressing seat 3 still elastically supports against the material belt, and when the upper die 2 is lifted to a certain height, the pressing seat 3 is separated from the material belt.

In one aspect of the present embodiment, four polygonal guide posts 41 fixedly connected to the lower mold 1 serve to guide the upper mold 2, a polygonal guide sleeve 42 sleeved outside the polygonal guide post 41, and a polygonal bushing 43 with a ball disposed between the polygonal guide sleeve 42 and the polygonal guide post 41 enable the upper mold 2 to slide along the polygonal guide post 41, and a spring 44 abutting against the lower end of the polygonal bushing 43 enables the upper mold 2 to be disposed directly above the lower mold 1 in an elastically floating state.

In one aspect of this embodiment, the circular guide post 51, the circular guide bush 52 and the circular bushing 53 of the circular guide post and guide bush assembly 5 serve to further guide the upper mold 2, so as to ensure that the upper mold 2 moves downward in a linear state.

In one aspect of this embodiment, the stop cap threaded onto the upper ends of the polygonal guide post 41 and the circular guide post 51 serves to limit the travel.

The utility model discloses a theory of operation: when the die for punching array holes is used, the upper die 2 is in an elastic floating state and is arranged right above the lower die 1, meanwhile, the material pressing seat 3 is also in an elastic floating state and is arranged right above the material guide seat 6, the die is installed on a punching machine, when an execution end of the punching machine is started, the upper die 2 is pressed to move downwards, due to the connection state of the material pressing seat 3 and the upper die 2, the material pressing seat 3 synchronously moves downwards and elastically supports against a material belt of the material guide seat 6, the punching knife 10 continuously presses downwards along with the upper die 2 and penetrates through the material pressing seat 3, the material belt and the lower die 2, so that the array holes are formed in the material belt, after punching is completed, the upper die 2 is arranged, at the moment, the material pressing seat 3 still elastically supports against the material belt, and when the upper die 2 is lifted to a certain height, the material pressing seat 3 is separated from the material belt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a die-cut mould in array hole, includes lower mould (1), goes up mould (2) and presses material seat (3), its characterized in that: a plurality of guide post and guide sleeve assemblies are arranged between the lower die (1) and the upper die (2), the upper die (2) is arranged above the lower die (1) in a vertically sliding manner through the guide post and guide sleeve assemblies, the guide post and guide sleeve assemblies comprise four multi-edge guide post and guide sleeve assemblies (4) positioned at four corners of the upper die (2) and the lower die (1) and four round guide post and guide sleeve assemblies (5) positioned between the four multi-edge guide post and guide sleeve assemblies (4), a material guide seat (6) is fixedly connected to the upper side of the lower die (1), a connecting guide post (7) is arranged at the bottom of the upper die (2), the material pressing seat (3) is elastically connected with the upper die (2) in a floating manner through the connecting guide post (7), a material pressing spring (8) sleeved on the outer side of the connecting guide post (7) is arranged between the material pressing seat (3) and the upper die (2), and an equal-height sleeve (9) positioned on the outer side of the connecting guide post (7) is arranged on the upper side of the material pressing spring (8), the bottom of the upper die (2) is fixedly connected with a punching knife (10), and avoidance holes (11) corresponding to the punching knife (10) in position are formed in the material pressing seat (3) and the material guide seat (6).

2. The die of claim 1, wherein the die is adapted to die cut an array of holes: the four multi-edge guide post and guide sleeve assemblies (4) comprise multi-edge guide posts (41) fixedly connected with the lower die (1), the outer sides of the multi-edge guide posts (41) are sleeved with the multi-edge guide sleeves (42), multi-edge bushings (43) with balls are arranged between the multi-edge guide sleeves (42) and the multi-edge guide posts (41), and springs (44) arranged on the outer sides of the multi-edge guide posts (41) are abutted to the lower ends of the multi-edge bushings (43).

3. The die for die cutting an array of holes of claim 2, wherein: the circular guide post and guide sleeve assembly (5) comprises a circular guide post (51) fixedly connected with the lower die (1), a circular guide sleeve (52) matched with the circular guide post is arranged on the outer side of the circular guide post (51), and a circular bushing (53) with a ball is arranged between the circular guide sleeve (52) and the circular guide post (51).

4. The die of claim 1, wherein the die is adapted to die cut an array of holes: the number of the stamping knives (10) is multiple, and the stamping knives (10) are arranged at the bottom of the upper die (2) at equal intervals in a linear array mode.

5. A die for die cutting an array of holes as claimed in claim 3, wherein: the upper ends of the polygonal guide post (41) and the circular guide post (51) are both in threaded connection with a baffle cover.

6. The die of claim 1, wherein the die is adapted to die cut an array of holes: the number of the connecting guide columns (7) is multiple, and the connecting guide columns are uniformly distributed between two adjacent stamping knives (10).

7. The die of claim 1, wherein the die is adapted to die cut an array of holes: and discharge holes (12) which correspond to the avoidance holes (11) one by one are formed in the lower die (1).

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