CN217412224U - Stripping structure for progressive die and progressive die - Google Patents

Abstract

The utility model discloses a take off material structure and upgrade mould for upgrading mould, include: the upper die is used for being connected with the press machine; the lower die is arranged below the upper die and matched with the upper die to punch the workpiece; the material supporting structure comprises a base and a material supporting piece, wherein the base is arranged on the upper die, and the material supporting piece can be obliquely arranged on the base relative to the horizontal plane, so that the material supporting piece can move downwards under the action of the gravity of the material supporting piece; when the die is closed, the material supporting piece can move downwards along with the upper die to abut against the workpiece and move upwards in an inclined mode so as to avoid the workpiece, and the material supporting piece can move downwards along with the upper die continuously and move downwards under the action of the gravity of the material supporting piece to enable the lower end portion of the material supporting piece to be located below the workpiece; when the progressive die is opened, the lower end part of the material supporting part can move upwards along with the upper die to support the workpiece upwards, so that the workpiece can turn towards the discharging direction of the progressive die. The progressive die can realize smooth stripping of workpieces, does not deform or damage the progressive die, ensures the quality of the workpieces and improves the production efficiency.

Description

Stripping structure for progressive die and progressive die

Technical Field

The utility model relates to a stamping die technical field especially relates to a take off material structure and upgrade mould for upgrading mould.

Background

The progressive die is a stamping die which is provided with more than two stations in the feeding direction of a strip material and completes two or more stamping processes on different stations in one stroke of a press machine.

At present, because a progressive die is generally used for punching, loading and forming a workpiece with a complex shape and a large profile drop, the situation that the workpiece is pushed out and separated from abnormality can occur in the punching process due to the complex shape and the large profile drop of the workpiece, so that the progressive die cannot normally work, and the production efficiency of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a stripping structure for a progressive die, which can ensure that a workpiece can be smoothly stripped from a workpiece without deformation or damage to the progressive die, ensure the quality of the workpiece and improve the production efficiency; an object of the utility model is also to provide a mould upgrades.

The purpose of the utility model is realized by adopting the following technical scheme:

a stripping structure for a progressive die, comprising:

the upper die is used for being connected with the press;

the lower die is arranged below the upper die and matched with the upper die to punch a workpiece;

the material supporting structure comprises a base and a material supporting piece, the base is arranged on the upper die, and the material supporting piece can be obliquely arranged on the base relative to the horizontal plane;

when the die is closed, the material supporting piece can move downwards along with the upper die to abut against the workpiece to move upwards in an inclined mode so as to avoid the workpiece, and the material supporting piece can move downwards along with the upper die continuously and move downwards under the action of the gravity of the material supporting piece to enable the lower end portion of the material supporting piece to be located below the workpiece; when the progressive die is opened, the lower end part of the material supporting part can move upwards along with the upper die to support the workpiece upwards, so that the workpiece can turn towards the discharging direction of the progressive die.

Furthermore, the lower end face of the lower end part of the material supporting part is an inclined face used for abutting against the workpiece, and the inclined face inclines upwards from inside to outside along the inclined moving direction of the material supporting part.

Furthermore, the base is provided with a guide part arranged along the inclined moving direction of the material supporting part, and the guide part is movably matched with the material supporting part.

Further, the guide part is a guide hole, and the lower end part of the material supporting part can be retracted into or extended out of the guide part.

Further, the guide portions penetrate opposite sides of the base.

Further, the guide part is a guide groove, and the lower end part of the material supporting part can be retracted into or extended out of the guide part.

Furthermore, the base is provided with a long-strip-shaped limiting hole extending along the oblique moving direction of the material supporting piece, the material supporting piece is provided with a connecting piece, and the connecting piece can be movably inserted into the limiting hole.

Furthermore, the opposite sides of the base are provided with the limiting holes, the opposite sides of the material supporting piece are provided with the connecting pieces, and the connecting pieces are movably inserted into the limiting holes in a one-to-one correspondence mode.

The utility model also provides a progressive die, which comprises the stripping structure for the progressive die;

the upper die comprises an upper die base and an upper die body, the upper die base is used for being connected with a press machine, the upper die body is arranged on the lower end face of the upper die base, and the stripping structure is arranged on the lower end face of the upper die base and is separated from the upper die body;

the lower die comprises a lower die base and a lower die body, the lower die body is arranged on the upper end face of the lower die base, and the lower die body is matched with the upper die body.

Further, the upper end face of the lower die holder is also provided with:

the floating material lifting structure is arranged on the lower die base and can move up and down, is used for supporting a workpiece, and can move downwards relative to the lower die base along with the downward movement of the upper die or move upwards relative to the lower die base along with the upward movement of the upper die so as to lift the workpiece.

Furthermore, the upper end surface of the lower die base is provided with a mounting hole extending along the vertical direction;

the floating material lifting structure comprises a floating seat, a material lifting rod and an elastic piece; the floating seat can be inserted into the mounting hole in an up-and-down moving manner; the material lifting rod is arranged on the floating seat and used for supporting a workpiece; the elastic piece is arranged between the floating seat and the lower die seat and used for driving the floating seat to move upwards to extend out of the lower die seat, so that the material lifting rod lifts the workpiece.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a take off material structure for upgrading mould, during the use, can transfer the work piece to between last mould and the lower mould through the feeder, then drive the mould through the press and move down, in this process, hold in the palm the material structure and follow the mould and move down, when holding in the palm the lower tip of material and work piece counterbalance, hold in the palm the material piece and receive work piece thrust effect and relative base rebound, make the lower tip of holding in the palm the material piece can dodge the work piece, do not interfere with the work piece, so that the mould can smoothly move down, go up the mould and continue to move down, because hold in the palm the material piece and work piece and keep away from and make the material piece that holds in the palm the material piece can move down under its self gravity effect, make the lower tip of holding in the palm the material piece be located under the work piece, simultaneously, go up mould and lower mould cooperate and carry out the punching press to the work piece, then, the press drive the mould rebound, the lower tip of holding in the material piece and work piece counterbalance and upwards hold up the work piece, make the work piece can make the work piece break away from and upgrade the mould towards the play piece direction upset of upgrading the mould, can realize that the smooth and easy of work piece takes off the material, does not warp, does not damage and upgrades the mould, guarantees the quality of work piece and improves production efficiency simultaneously, because the reciprocating of holding in the palm the material structure directly by last mould drive, whole structure can be according to the orderly work piece of taking out of punching press beat and upgrade the mould, and the cooperation is good, and the reliability is high, and simple structure is practical moreover, does benefit to and simplifies the structure, more helps popularizing and applying.

The utility model discloses a progressive die, because of adopted foretell be used for upgrading taking off material structure of mould, it can realize that smooth and easy taking off of work piece expects, indeformable, do not damage and upgrade the mould, guarantee that the quality of work piece improves production efficiency simultaneously, owing to ask reciprocating of material structure directly to be driven by last mould, the whole structure can be according to the orderly work piece of taking out the progressive die of punching press beat, and the cooperation is good, and the reliability is high, and simple structure is practical moreover, does benefit to the simplified structure, more helps popularizing and applying.

Drawings

Fig. 1 is a schematic structural view of a stripping structure for a progressive die of the present invention;

fig. 2 is a schematic structural view of the stripping structure for the progressive die of the present invention;

fig. 3 is a schematic structural view of the stripping structure for the progressive die of the present invention;

fig. 4 is a schematic structural view of the stripping structure for the progressive die of the present invention;

fig. 5 is a stripping structure of the stripping structure for progressive dies of the present invention.

In the figure: 10. an upper die; 11. an upper die holder; 12. feeding a mold body; 20. a lower die; 21. a lower die holder; 22. a lower die body; 30. a material supporting structure; 31. a base; 311. a guide portion; 312. a limiting hole; 32. a material supporting part; 321. an inclined surface; 33. a connecting member; 40. a floating material lifting structure; 41. a floating seat; 42. a material lifting rod; 43. an elastic member; 50. and (5) a workpiece.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1-4, there is shown a stripping structure for a progressive die according to a preferred embodiment of the present invention, including: an upper die 10 for connection with a press; a lower die 20 disposed below the upper die 10, and adapted to press the workpiece 50 in cooperation with the upper die 10; the material supporting structure 30 comprises a base 31 and a material supporting part 32, the base 31 is arranged on the upper die 10, and the material supporting part 32 can be obliquely arranged on the base 31 relative to the horizontal plane, so that the material supporting part 32 can move downwards under the action of the gravity of the material supporting part; when the die is closed, the material supporting piece 32 can move downwards along with the upper die 10 to abut against the workpiece 50 and move upwards in an inclined mode so as to avoid the workpiece 50, and the material supporting piece 32 can move downwards along with the upper die 10 and move downwards under the action of the gravity of the material supporting piece 32 to enable the lower end portion of the material supporting piece 32 to be located below the workpiece 50; when the mold is opened, the lower end part of the material supporting piece 32 can upwards support the workpiece 50 along with the upward movement of the upper mold 10, so that the workpiece 50 can turn over towards the discharging direction of the progressive mold.

The material releasing structure for the progressive die of the utility model can transfer a workpiece 50 to a position between an upper die 10 and a lower die 20 through a feeder when in use, and then the upper die 10 is driven by a press machine to move downwards, in the process, a material supporting structure 30 moves downwards along with the upper die 10, when the lower end part of a material supporting part 32 is propped against the workpiece 50, the material supporting part 32 moves upwards relative to a base 31 under the thrust action of the workpiece 50, so that the lower end part of the material supporting part 32 can avoid the workpiece 50 and does not interfere with the workpiece 50, so that the upper die 10 can smoothly move downwards, the upper die 10 continues to move downwards, the material supporting part 32 can move downwards under the action of self gravity because the material supporting part 32 is avoided from the workpiece 50, so that the lower end part of the material supporting part 32 is positioned under the workpiece 50, meanwhile, the upper die 10 is matched with the lower die 20 to stamp the workpiece 50, and then the upper die 10 is driven by the press machine to move upwards, hold in the palm lower tip and the work piece 50 of material 32 and offset and upwards hold up work piece 50 for work piece 50 can make work piece 50 break away from the mould that upgrades towards the play piece direction upset of mould that upgrades, can realize the smooth and easy material of taking off of work piece 50, indeformable, do not damage and upgrade the mould, guarantee that work piece 50's quality improves production efficiency simultaneously, because the reciprocating of holding in the palm material structure 30 is direct to be driven by last mould 10, whole structure can be according to the orderly mould that upgrades of taking out work piece 50 of punching press beat, the cooperation is good, the reliability is high, and simple structure is practical, do benefit to the simplified structure, more help popularization and application.

Referring to fig. 5, in the present embodiment, the lower end surface of the lower end portion of the material supporting member 32 is an inclined surface 321 for abutting against the workpiece 50, and the inclined surface 321 is inclined upward from inside to outside along the inclined moving direction of the material supporting member 32, so that when the material supporting member 32 moves downward along with the upper die 10 to abut against the workpiece 50, the inclined surface 321 abuts against the workpiece 50, so that the material supporting member 32 is pushed by the workpiece 50 to move upward relative to the base 31.

Referring to fig. 5, in this embodiment, the base 31 is provided with a guide portion 311 arranged along the inclined moving direction of the material supporting member 32, and the guide portion 311 and the material supporting member 32 are movably matched to guide the material supporting member 32, so that the material supporting member 32 moves more smoothly and is prevented from being stuck.

In the present embodiment, the guide portion 311 is a guide hole, and the lower end portion of the carrier member 32 can be retracted into or extended out of the guide portion 311, so that the connection stability between the carrier member 32 and the base 31 can be improved by fitting the carrier member 32 to the guide hole.

In this embodiment, on the basis that the guide part 311 is the guiding hole, the guide part 311 runs through the relative both sides of the base 31, so, can reduce the installation degree of difficulty of holding in the palm material piece 32, do benefit to and improve the installation effectiveness.

In other embodiments, the guide portion 311 may be a guide groove, and the lower end portion of the holder 32 may be retracted into or extended out of the guide portion 311. On this basis, the guide portions 311 may also penetrate through opposite sides of the base 31.

In other embodiments, the guiding portion 311 may be a guiding slope, and the material holder 32 and the guiding slope can be movably matched to provide a good guiding function for the material holder 32.

Referring to fig. 5, in this embodiment, a strip-shaped limiting hole 312 extending along the oblique moving direction of the material supporting member 32 is disposed on the base 31, a connecting member 33 is disposed on the material supporting member 32, and the connecting member 33 is movably inserted into the limiting hole 312, so that the structure can utilize the matching of the connecting member 33 and the limiting hole 312 to reliably connect the material supporting member 32 and the base 31, and meanwhile, the limiting hole 312 can be utilized to limit the movement of the material supporting member 32, specifically, the material supporting member 32 can be limited by upward movement when the material supporting member 32 moves upward to make the upper end of the connecting member 33 abut against the upper end of the limiting hole 312, and the material supporting member 32 can be limited by downward movement when the material supporting member 32 moves downward to make the lower end of the connecting member 33 abut against the lower end of the limiting hole 312, so that the material supporting member 32 can be ensured to move smoothly relative to the base 31, and the material supporting member 32 and the base 31 can be prevented from being separated.

In this embodiment, the two opposite sides of the base 31 are provided with the limiting holes 312, the two opposite sides of the material supporting member 32 are provided with the connecting members 33, and the connecting members 33 are movably inserted into the limiting holes 312 in a one-to-one correspondence manner, so that the connection between the material supporting member 32 and the base 31 is more reliable, and meanwhile, the material supporting member 32 moves more smoothly.

The utility model also provides a progressive die, which comprises the stripping structure for the progressive die; the upper die 10 comprises an upper die holder 11 and an upper die body 12, the upper die holder 11 is used for being connected with a press, the upper die body 12 is arranged on the lower end surface of the upper die holder 11, and the stripping structure is arranged on the lower end surface of the upper die holder 11 and is separated from the upper die body 12; the lower die 20 includes a lower die base 21 and a lower die body 22, the lower die body 22 is disposed on the upper end surface of the lower die base 21, and the lower die body 22 is matched with the upper die body 12.

Here, it is understood that one of the upper mold body 12 and the lower mold body 22 is a male mold, and the other of the two is a female mold.

The utility model discloses a progressive die, because of having adopted foretell being used for progressive die's the material structure of taking off, it can realize that work piece 50 smoothly takes off the material, indeformable, do not damage the progressive die, guarantee that work piece 50's quality improves production efficiency simultaneously, because the reciprocating of holding in the palm material structure 30 is direct to be driven by last mould 10, whole structure can be according to the orderly mould that upgrades of taking out work piece 50 of punching press beat, the cooperation is good, the reliability is high, simple structure is practical moreover, does benefit to the simplified structure, more helps popularizing and applying.

Referring to fig. 1 to 4, in the present embodiment, the upper end surface of the lower die base 21 is further provided with: the floating lifting structure 40 is arranged on the lower die base 21 and can move up and down, is used for supporting the workpiece 50, and can move downwards relative to the lower die base 21 along with the downward movement of the upper die 10 or can move upwards relative to the lower die base 21 along with the upward movement of the upper die 10 so as to lift the workpiece 50. The floating material lifting structure 40 can support the workpiece 50 when the feeder transfers the workpiece 50 to a position between the upper die 10 and the lower die 20, so as to guide the workpiece 50, ensure smooth feeding of the workpiece 50, and simultaneously lift the workpiece 50 when the die is opened, so that the workpiece 50 can be separated from the lower die body 22, and the workpiece 50 can be smoothly separated from the progressive die by combining the thrust action of the material supporting part 32 on the workpiece 50.

Referring to fig. 1 to 4, in the present embodiment, the upper end surface of the lower die base 21 is provided with a mounting hole extending in the up-down direction; the floating material lifting structure 40 comprises a floating seat 41, a material lifting rod 42 and an elastic piece 43; the floating seat 41 can be inserted into the mounting hole in an up-and-down moving manner; the material lifting rod 42 is arranged on the floating seat 41, and the material lifting rod 42 is used for supporting the workpiece 50; the elastic piece 43 is arranged between the floating seat 41 and the lower die holder 21, and the elastic piece 43 is used for driving the floating seat 41 to move upwards to extend out of the lower die holder 21 so that the material lifting rod 42 lifts the workpiece 50. When the die is closed, the floating seat 41 is compressed into the mounting hole under the pressure of the upper die 10, meanwhile, the elastic piece 43 is compressed under the pressure of the floating seat 41, and when the die is opened, the elastic piece 43 is reset to drive the floating seat 41 to move upwards, so that the material lifting rod 42 lifts the workpiece 50.

In the present embodiment, the elastic member 43 is a spring, and in other embodiments, the elastic member 43 may be a spring sheet or an elastic rubber tube, a nitrogen-hydrogen spring, or an air cylinder.

The above embodiments are only preferred embodiments of the present invention, and are especially suitable for use with progressive stamping dies, but also applicable to non-progressive stamping dies and situations of non-workpiece-discharging action (such as stripping and floating), and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and replacements made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims (10)

1. A stripping structure for a progressive die, comprising:

the upper die is used for being connected with the press machine;

the lower die is arranged below the upper die and matched with the upper die to punch a workpiece;

the material supporting structure comprises a base and a material supporting piece, the base is arranged on the upper die, and the material supporting piece can be obliquely arranged on the base relative to the horizontal plane;

when the die is closed, the material supporting piece can move downwards along with the upper die to abut against the workpiece to move upwards in an inclined mode so as to avoid the workpiece, and the material supporting piece can move downwards along with the upper die continuously and move downwards under the action of the gravity of the material supporting piece to enable the lower end portion of the material supporting piece to be located below the workpiece; when the progressive die is opened, the lower end part of the material supporting part can move upwards along with the upper die to support the workpiece upwards, so that the workpiece can turn towards the discharging direction of the progressive die.

2. The stripping structure for a progressive die as set forth in claim 1, wherein a lower end surface of a lower end portion of said carrier member is an inclined surface for abutting against a workpiece, said inclined surface being inclined upward from inside to outside in a direction of the inclined movement of said carrier member.

3. The stripping structure for progressive dies according to claim 1, wherein said base is provided with a guide portion disposed along the direction of the inclined movement of said carrier, said guide portion being in movable engagement with said carrier.

4. The stripping structure for a progressive die as set forth in claim 3, wherein said guide part is a guide hole or a guide groove, and a lower end portion of said carrier member is retractable into or protruded from said guide part.

5. The stripping structure for a progressive die as set forth in claim 4, wherein said guides extend through opposite sides of said base.

6. The stripping structure for progressive dies according to claim 1, wherein said base has a limiting hole extending in a direction of the oblique movement of said material holding member and having a shape of a long bar, said material holding member having a connecting member thereon, said connecting member being movably inserted into said limiting hole.

7. The stripping structure for progressive dies according to claim 6, wherein said retaining holes are provided on opposite sides of said base, said connecting members are provided on opposite sides of said material supporting member, and said connecting members are movably inserted into said retaining holes in a one-to-one correspondence.

8. A progressive die comprising the stripping structure for a progressive die as set forth in any one of claims 1 to 7;

the upper die comprises an upper die base and an upper die body, the upper die base is used for being connected with a press machine, the upper die body is arranged on the lower end face of the upper die base, and the stripping structure is arranged on the lower end face of the upper die base and is separated from the upper die body;

the lower die comprises a lower die base and a lower die body, the lower die body is arranged on the upper end face of the lower die base, and the lower die body is matched with the upper die body.

9. The progressive die of claim 8, wherein the upper end surface of the lower die bed further defines:

the floating material lifting structure is arranged on the lower die base and can move up and down, is used for supporting a workpiece, and can move downwards relative to the lower die base along with the downward movement of the upper die or can move upwards relative to the lower die base along with the upward movement of the upper die so as to lift the workpiece.

10. The progressive die of claim 9, wherein the upper end surface of the lower die base is provided with mounting holes extending in an up-and-down direction;

the floating material lifting structure comprises a floating seat, a material lifting rod and an elastic piece; the floating seat can be inserted into the mounting hole in an up-and-down moving manner; the material lifting rod is arranged on the floating seat and used for supporting a workpiece; the elastic piece is arranged between the floating seat and the lower die seat and used for driving the floating seat to move upwards to extend out of the lower die seat, so that the material lifting rod lifts the workpiece.

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