CN217964399U

CN217964399U - Rotary cutting die

Info

Publication number: CN217964399U
Application number: CN202222426876.5U
Authority: CN
Inventors: 陈加德
Original assignee: XIAMEN SHANGMINGDA INDUSTRIAL CO LTD
Current assignee: XIAMEN SHANGMINGDA INDUSTRIAL CO LTD
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-06
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a stamping die technical field, the utility model provides a rotatory cutting die, it includes upper die base and die holder, the upper die base is relative from top to bottom with the die holder, the upper die base can be dismantled and establish on the die holder, the activity is equipped with the sliding seat on the upper die base, the week side of upper die base is equipped with the guide rail, the sliding seat is helical motion along the guide rail, be equipped with spacer and cutter on the sliding seat, the cutter is located between spacer and the sliding seat and is close to the spacer, spacer rotatable coupling is on the sliding seat, the rotation orbit of spacer is circularly, be equipped with ejection mechanism and the subassembly of blowing on the die holder, ejection mechanism is located the spacer under, ejection mechanism is used for ejecting the work piece along vertical direction, the subassembly of blowing is located the one side that is close to ejection mechanism. This application has the effect that the work piece after the convenient rotary-cut takes out.

Description

Rotary cutting die

Technical Field

The application relates to the technical field of stamping dies, in particular to a rotary cutting die.

Background

The continuous die is a series of punching tools for processing a flitch, which can complete the operation of more than two die workstations in one working procedure of a punching machine.

When the continuous die is used for stamping the flitch, the produced workpiece is circular in plan view and provided with grooves, connecting strips are remained between the peripheral sides of the workpiece and the flitch, and the connecting strips need to be cut by the cutting die so as to separate the workpiece.

Currently, for example, chinese patent document publication No. CN203526304U, with patent name of rotary cutting die, includes an upper die plate, an upper die inner limit post, a product positioning pin, an upper die cavity, a lower stripper plate, a punch fixing plate, a first connecting sleeve screw, a second connecting sleeve screw, a sliding plate, a strike plate, a lower die guide rail, a lower die spring, and a sliding assistant device, where the upper die inner limit post is installed in the upper die plate; the upper die cavity is arranged in the upper die plate; the lower die cavity is connected with the punch; the punch is arranged on the punch fixing plate; the sliding plate is connected with the punch fixing plate; the sliding plate is arranged between the lower die guide rails; the beating plate is connected with the sliding plate; the lower die spring is connected with the knock-out plate.

In view of the above-mentioned related technologies, since the workpiece needs to be taken out from the upper mold cavity and the lower mold cavity after the workpiece is rotary-cut, the workpiece is mostly manually taken out by a worker at present, which is troublesome, and thus needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to take out a workpiece after rotary cutting conveniently, the application provides a rotary cutting die.

The application provides a rotatory cutting die adopts following technical scheme:

the utility model provides a rotatory cutting die, including upper die base and die holder, the upper die base is relative from top to bottom with the die holder, the upper die base can be dismantled and establish on the die holder, the activity is equipped with the sliding seat on the upper die base, the week side of upper die base is equipped with the guide rail, the sliding seat is helical motion along the guide rail, be equipped with spacer and cutter on the sliding seat, the cutter is located between spacer and the sliding seat and is close to the spacer, spacer rotatable coupling is on the sliding seat, the rotation orbit of spacer is circularly, be equipped with ejection mechanism on the die holder and blow the subassembly, ejection mechanism is located the spacer under, ejection mechanism is used for ejecting the work piece along vertical direction, it is located one side near ejection mechanism to blow the subassembly.

By adopting the technical scheme, when the connecting strips on the peripheral side of the round workpiece need to be cut off, the positioning piece is abutted against the workpiece to position the workpiece, then the workpiece is ejected upwards along the vertical direction under the action of the ejection mechanism, the movable seat is subjected to the external force exerted by the ejection mechanism to perform left-front-right-rear spiral motion along the guide rail, the positioning piece is enabled to rotate along a round track relative to the cutter, the workpiece is cut by the cutter in the rotating process to complete rotary cutting, the workpiece after rotary cutting is blown out from between the upper die base and the lower die base under the action of the blowing assembly, and the effect of taking out the workpiece after rotary cutting is achieved conveniently.

Preferably, the air blowing assembly comprises an air blowing pipe and a fixing block, the fixing block is fixed on the surface of the lower die base, and the air outlet end of the air blowing pipe is arranged on the fixing block and faces to one side close to the workpiece.

Through adopting above-mentioned technical scheme, with the end of giving vent to anger of gas blow pipe towards the work piece, realize blowing out the work piece from between upper die base and the die holder.

Preferably, a collecting box is arranged on the lower die base, an opening is formed in the upper end of the collecting box, and the collecting box is located on an air outlet path of the air blowing pipe.

By adopting the technical scheme, the workpieces blown out of the air blowing pipe fall into the collecting box, so that the workpieces blown out after rotary cutting can be collected conveniently.

Preferably, the lower die holder is provided with an inclined part which is positioned between the blowing pipe and the collecting box and inclines downwards towards the opening of the collecting box.

Through adopting above-mentioned technical scheme, the rake plays the effect of direction, and the work piece after the rotary-cut of being convenient for falls into the collecting box along the rake.

Preferably, the ejection mechanism comprises an ejection block and a driving piece for driving the ejection block to eject, the ejection block is vertically adjusted, and the ejection block is detachably arranged on the driving piece.

By adopting the technical scheme, under the driving action of the driving piece, the ejection block ejects the workpiece upwards along the vertical direction, and the ejection block can be detachably arranged on the driving piece, so that the ejection block can be conveniently detached and replaced.

Preferably, the driving piece is an air cylinder or an oil cylinder, the outer surface of a piston rod of the driving piece is provided with threads, the ejection block is provided with a threaded hole opposite to the threads, and the ejection block is in threaded connection with the driving piece.

Through adopting above-mentioned technical scheme, under the cooperation of screw thread and screw hole, realize that ejecting piece can dismantle and establish on the driving piece.

Preferably, a limiting column is fixed on the surface of the upper die base, a pin hole is formed in the limiting column, a limiting groove opposite to the limiting column is formed in the lower die base, a through hole is formed in the lower die base along the axis direction of the pin hole and extends to the edge of the limiting groove, and the limiting column is clamped in the limiting groove and locked through a bolt.

Through adopting above-mentioned technical scheme, under the cooperation of spacing post and spacing groove, realize that the upper die base can dismantle the setting on the die holder, simultaneously under the effect of bolt, with the upper die base locking on the die holder, avoid the upper die base to take place the offset from the die holder under ejection mechanism's effect.

Preferably, the movable seat is provided with a positioning column, and the positioning column is abutted against the surface of the lower die holder.

Through adopting above-mentioned technical scheme, after ejection mechanism applyed external force to the sliding seat, great skew takes place for the position on the sliding seat horizontal direction easily, and the reference column is used for spacing to the sliding seat, realizes that the sliding seat moves along the guide rail.

Preferably, the upper die base is provided with a return spring, one end of the return spring is fixed on the upper die base, the other end of the return spring is fixed on the movable base, and the elastic direction of the return spring is vertical.

By adopting the technical scheme, when the ejection mechanism ejects the workpiece upwards, the reset spring is compressed by external force to generate deformation, and after the workpiece is rotationally cut, the reset of the movable seat is realized under the elastic force recovery action of the reset spring.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) By arranging the air blowing assembly, the workpiece after rotary cutting can be conveniently blown out from between the upper die base and the lower die base, and the effect of conveniently taking out the workpiece after rotary cutting is realized;

(2) The collection box is arranged, so that the workpieces blown out after rotary cutting can be conveniently collected;

(3) Through setting up the rake, the rake plays the effect of direction, and the work piece after the convenient rotary-cut falls in the collecting box along the rake.

Drawings

FIG. 1 is an exploded view of a rotary cutting die according to the present embodiment;

FIG. 2 is a schematic structural view of the highlighted upper mold base of the present embodiment;

FIG. 3 is a schematic structural view of the highlighted lower die base of the present embodiment;

fig. 4 is a schematic structural diagram of the highlighting ejection mechanism of the present embodiment.

Reference numerals: 1. an upper die holder; 2. a lower die holder; 3. a limiting column; 4. a limiting groove; 5. a bolt; 6. a movable seat; 7. a guide rail; 8. positioning plates; 9. a cutter; 10. an ejection mechanism; 101. ejecting a block; 102. a drive member; 11. a positioning column; 12. a return spring; 13. a blowing assembly; 131. an air blowing pipe; 132. a fixed block; 14. a collection box; 15. an inclined portion; 16. a pin hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a rotary cutting die. Referring to fig. 1, the rotary cutting die includes an upper die base 1 and a lower die base 2. The upper die holder 1 and the lower die holder 2 are rectangular and opposite up and down, and the upper die holder 1 is detachably arranged on the lower die holder 2. The surface of the upper die holder 1 is fixed with four limiting columns 3, the limiting columns 3 are provided with four limiting grooves 4 which are respectively positioned at four corner positions of the upper die holder 1, and the lower die holder 2 is provided with four limiting grooves 4 which are opposite to the limiting columns 3. In this embodiment, two limiting columns 3 located at diagonal positions are provided with pin holes 16, the pin holes 16 are horizontally perpendicular to the limiting columns 3 and the lower die holder 2 is provided with through holes along the axis direction of the pin holes 16, the through holes extend to the edges of the limiting grooves 4 and are located on the same straight line with the pin holes 16, the limiting columns 3 are connected in the limiting grooves 4 in a clamped mode and locked through bolts 5, and the upper die holder 1 can be detached from the lower die holder 2 and can limit the position between the limiting columns and the lower die holder.

Referring to fig. 2, the upper die holder 1 is movably provided with a movable seat 6, the periphery of the upper die holder 1 is provided with a guide rail 7, the guide rail 7 is located on two opposite sides of the upper die holder 1, and the movable seat 6 makes spiral motion along the guide rail 7. Be equipped with spacer 8 and cutter 9 on the sliding seat 6, spacer 8 all is circular form with cutter 9, and cutter 9 is located between spacer 8 and the sliding seat 6 and is close to spacer 8, spacer 8 rotatable coupling on sliding seat 6, and spacer 8's rotation orbit is circularly.

Referring to fig. 3, the lower die holder 2 is provided with an ejection mechanism 10, the ejection mechanism 10 is located right below the positioning plate 8, and the ejection mechanism 10 is used for ejecting the workpiece in the vertical direction. The ejection mechanism 10 includes an ejection block 101 and a driving member 102 for driving the ejection block 101 to eject, the ejection block 101 is circular in plan view, and the ejection block 101 is vertically adjusted.

When the connecting strips on the peripheral side of the circular workpiece need to be cut off, the positioning piece 8 abuts against the workpiece to position the workpiece, then under the driving action of the driving piece 102, the ejection block 101 ejects the workpiece upwards along the vertical direction, the movable seat 6 is subjected to the external force exerted by the ejection block 101 to perform left-front-right spiral motion along the guide rail 7, the positioning piece 8 rotates relative to the cutter 9 along a circular track, the workpiece is cut by the cutter 9 in the rotating process, and rotary cutting is completed.

The movable seat 6 is provided with positioning columns 11, the positioning columns 11 and the limiting columns 3 are located on the same side, the positioning columns 11 abut against the surface of the lower die base 2, and the positioning columns 11 are provided with four parts and located at positions close to four corners of the movable seat 6 respectively. After the external force is applied to the movable seat 6 by the ejection mechanism 10, the position of the movable seat 6 in the horizontal direction is likely to greatly deviate, and the positioning column 11 is used for limiting the movable seat 6, so that the movable seat 6 moves along the guide rail 7.

The upper die holder 1 is provided with four return springs 12, one ends of the return springs 12 are fixed on the upper die holder 1, and the other ends of the return springs 12 are fixed on the movable base 6, and the elastic direction of the return springs 12 is vertical. When the ejection mechanism 10 ejects the workpiece upwards, the return spring 12 is compressed by external force to generate deformation, and after the workpiece is cut in a rotary manner, the return of the movable seat 6 is realized under the elastic force recovery action of the return spring 12.

Referring to fig. 4, the ejection block 101 is detachably disposed on the driving member 102, so that the ejection block 101 can be easily removed and replaced. The driving piece 102 is an air cylinder or an oil cylinder, threads are arranged on the outer surface of a piston rod of the driving piece 102, the ejection block 101 is provided with a threaded hole opposite to the threads, the ejection block 101 is in threaded connection with the driving piece 102, and the ejection block 101 is detachably arranged on the driving piece 102 under the matching of the threads and the threaded hole.

Referring to fig. 3, the lower die holder 2 is provided with a blowing assembly 13, the blowing assembly 13 is located at a side close to the ejection mechanism 10, and the blowing assembly 13 is used for blowing the rotary-cut workpiece out from between the upper die holder 1 and the lower die holder 2. The air blowing assembly 13 comprises an air blowing pipe 131 and a fixing block 132, the fixing block 132 is rectangular and fixed on the surface of the lower die holder 2, the air outlet end of the air blowing pipe 131 is arranged on the fixing block 132 and faces to one side close to the workpiece, and the workpiece achieves the effect of conveniently taking out the rotary-cut workpiece.

The lower die holder 2 is provided with the collecting box 14, the upper end of the collecting box 14 is provided with an opening, the collecting box 14 is a rectangular box body without a cover, the collecting box 14 is positioned on an air outlet path of the air blowing pipe 131, and workpieces blown out from the air blowing pipe 131 can fall into the collecting box 14, so that the workpieces blown out after rotary cutting can be collected conveniently. An inclined part 15 is arranged between the air blowing pipe 131 and the collecting box 14 on the lower die holder 2, and the inclined part 15 inclines downwards towards the opening of the collecting box 14. The inclined portion 15 serves as a guide, so that the rotary-cut workpiece can fall into the collection box 14 along the inclined portion 15.

The implementation principle of the rotary cutting die in the embodiment of the application is as follows: when the connecting strip on the peripheral side of the circular workpiece needs to be cut off, the positioning sheet 8 abuts against the workpiece to position the workpiece, the positioning column 11 abuts against the surface of the lower die holder 2, then under the driving action of the driving piece 102, the ejection block 101 ejects the workpiece upwards along the vertical direction, the movable seat 6 is subjected to the external force exerted by the ejection block 101 to perform left-front-right spiral motion along the guide rail 7, the positioning sheet 8 rotates relative to the cutter 9 along a circular track, the workpiece is cut by the cutter 9 in the rotating process, and rotary cutting is completed. Under the elastic force recovery action of the return spring 12, the movable seat 6 recovers to the initial state position, and the rotary-cut workpiece is blown out from between the upper die holder 1 and the lower die holder 2 under the blowing action of the blowing pipe 131 and falls into the collection box 14 along the inclined part 15, so that the rotary-cut workpiece can be conveniently taken out and collected.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a rotatory cutting die, a serial communication port, including upper die base (1) and die holder (2), upper die base (1) is relative from top to bottom with die holder (2), upper die base (1) can be dismantled and establish on die holder (2), the activity is equipped with sliding seat (6) on upper die base (1), the week side of upper die base (1) is equipped with guide rail (7), sliding seat (6) are the spiral motion along guide rail (7), be equipped with spacer (8) and cutter (9) on sliding seat (6), cutter (9) are located between spacer (8) and sliding seat (6) and are close to spacer (8), spacer (8) rotatable coupling is on sliding seat (6), the rotation orbit of spacer (8) is circular, be equipped with ejection mechanism (10) and blowing subassembly (13) on die holder (2), ejection mechanism (10) are located under spacer (8), ejection mechanism (10) are used for ejecting the work piece along vertical direction, blowing subassembly (13) are located one side that is close to ejection mechanism (10).

2. The rotary cutting die as claimed in claim 1, wherein the blowing assembly (13) comprises a blowing pipe (131) and a fixing block (132), the fixing block (132) is fixed on the surface of the lower die holder (2), and the air outlet end of the blowing pipe (131) is arranged on the fixing block (132) and faces to one side close to the workpiece.

3. The rotary cutting die as claimed in claim 2, wherein the lower die holder (2) is provided with a collecting box (14), the upper end of the collecting box (14) is provided with an opening, and the collecting box (14) is positioned on the air outlet path of the air blowing pipe (131).

4. A rotary cutting die according to claim 3, characterized in that the lower die holder (2) is provided with an inclined portion (15), and the inclined portion (15) is positioned between the blowing pipe (131) and the collecting box (14) and is inclined downward toward the opening of the collecting box (14).

5. A rotary cutting die according to claim 1, wherein the ejection mechanism (10) comprises an ejection block (101) and a driving member (102) for driving the ejection block (101) to eject, the ejection block (101) is vertically adjustable, and the ejection block (101) is detachably provided on the driving member (102).

6. A rotary cutting die according to claim 5, wherein the driving member (102) is an air cylinder or an oil cylinder, the outer surface of the piston rod of the driving member (102) is provided with a thread, the ejection block (101) is provided with a threaded hole opposite to the thread, and the ejection block (101) is screwed on the driving member (102).

7. The rotary cutting die as claimed in claim 1, wherein a limiting column (3) is fixed on the surface of the upper die base (1), a pin hole (16) is formed in the limiting column (3), a limiting groove (4) opposite to the limiting column (3) is formed in the lower die base (2), a through hole is formed in the lower die base (2) along the axis direction of the pin hole (16), the through hole extends to the edge of the limiting groove (4), and the limiting column (3) is clamped in the limiting groove (4) and locked by a bolt (5).

8. A rotary cutting die according to claim 1, wherein the movable seat (6) is provided with a positioning column (11), and the positioning column (11) abuts against the surface of the lower die holder (2).

9. The rotary cutting die as claimed in claim 1, wherein the upper die base (1) is provided with a return spring (12), one end of the return spring (12) is fixed on the upper die base (1), the other end of the return spring is fixed on the movable base (6), and the elastic force direction of the return spring (12) is vertical.