CN210172331U

CN210172331U - Punch structure

Info

Publication number: CN210172331U
Application number: CN201921052274.XU
Authority: CN
Inventors: Jianming Zhou; 周建明; Xinjie Zhou; 周鑫杰
Original assignee: Changzhou Mingjie Heavy Industry Technology Co Ltd
Current assignee: Changzhou Mingjie Heavy Industry Technology Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-03-24
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a punch head structure, which comprises a punching rod, wherein the upper end of the punching rod is provided with a connecting rod, the upper end of the connecting rod is provided with a connecting block which is positioned in an installation groove, the installation groove is arranged on the punch mounting seat, through holes are arranged at the four corners of the punch mounting seat, the punch mounting seat is fixed on the die through the through holes of the bolts, push plates are connected inside the two sides of the punch mounting seat in a sliding manner, a push rod is fixed at one end of each push plate, a first spring is sleeved outside the push rod, one end of the first spring, which is far away from the push plate, is tightly contacted with a baffle plate, the baffle is fixed on the outer side wall of the punch mounting seat, a locking pin is fixed at one end of the push plate far away from the push rod, the end part of the locking pin penetrates through the punch mounting seat and is inserted into the locking hole, and the locking hole is formed in the middle of the connecting block. Through the structure, the rapid installation and disassembly of the punch are realized, and the working efficiency is improved.

Description

Punch structure

Technical Field

The utility model belongs to the technical field of the drift, concretely relates to drift structure.

Background

The stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) of a desired shape and size. The metal parts on the stamping die in the machine tool, called punch, punching pin or punch, are installed on the stamping die to perform continuous punching, punching and breaking operation, so that the processed material is separated or plastically deformed, thereby obtaining the required finished product or semi-finished product.

The drift is with panel direct contact under the drive of press, borne punching force and frictional force are very big, so the drift can break inevitably, damage, need to change new drift and continue work after the drift damages, but present stamping die drift is mostly inlayed with the mould together, need unpack the mould apart when changing the drift, then dismantle the lower punch mount pad on the mould and just can change the drift, greatly reduced work efficiency, and often dismantle the mould and can lead to the reduction of mould precision, to some softer panel of material, the waste material that the drift was dashed easily glues on the drift, when carrying out the blanking in lower hole, the waste material punches together with the drift, cause blanking hole blanking deformation, lead to the drift fracture even, in view of this, design a drift that is convenient for dismantling, it is very necessary to have the drift of pushing away the waste material function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drift structure, through be provided with the locking round pin in the drift mount pad, be provided with the locking hole on the connecting block, the locking round pin inserts the downthehole installation that realizes the drift of locking, and the locking round pin is realized dismantling with locking hole separation drift, pushes away the waste material from the drift through the ejector pin to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a punch structure comprises a punching rod, the upper end of the punching rod is provided with a connecting rod, the upper end of the connecting rod is provided with a connecting block, the connecting block is positioned in the mounting groove which is arranged on the punch mounting seat, the positions of four corners of the punch mounting seat are provided with through holes, the punch mounting seat is fixed on the die through a bolt penetrating hole, push plates are connected inside two sides of the punch mounting seat in a sliding manner, a push rod is fixed at one end of the push plate, a first spring is sleeved outside the push rod, one end of the first spring, which is far away from the push plate, is tightly contacted with a baffle plate, the baffle is fixed on the outer side wall of the punch mounting seat, a locking pin is fixed at one end of the push plate far away from the push rod, the end part of the locking pin penetrates through the punch mounting seat and is inserted into the locking hole, and the locking hole is formed in the middle of the connecting block.

Preferably, one side of the inside of the mounting groove is provided with a limiting groove, a limiting block is inserted in the limiting groove, and the limiting block is fixed on the connecting block.

Preferably, a material pushing rod penetrates through the punching rod and the connecting rod, the end part of the lower end of the material pushing rod penetrates through the end part of the punching rod, a second spring is arranged at the upper end of the material pushing rod, a material blocking bolt is arranged at the upper end of the second spring, and the material blocking bolt is in threaded connection with the inside of the upper end of the connecting block.

Preferably, the end part of one end, far away from the push plate, of the locking pin is provided with a conical chamfer.

Preferably, the end part of one end of the push rod, which is far away from the push plate, is movably connected with a pull ring, the pull ring is positioned outside the baffle plate, the outer side of the pull ring is sleeved with a rubber sleeve, and the rubber sleeve is provided with anti-skid grains.

Preferably, both sides of the punch mounting seat are provided with positioning pin holes, positioning pins are inserted into the positioning pin holes, and the other ends of the positioning pins are inserted into the die.

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

1. the utility model discloses outwards stimulate the pull ring in the drift mount pad outside simultaneously with the hand, and then stimulate the push rod and outwards remove, and then drive the push pedal and outwards remove, and then the push pedal drives the lock pin and outwards removes, and then the lock pin leaves the locking hole on the connecting block, the connecting block leaves the mounting groove on the drift mount pad under the action of gravity, and then realize the dismantlement of drift, insert the stopper on the connecting block into the spacing groove on the mounting groove during installation, and then the connecting block inserts on the drift mount pad, promote the push pedal and move inwards under the elastic force of first spring, and then the push pedal promotes the lock pin and inserts in the locking hole on the connecting block, and then realize the installation of drift, the drift is installed and dismantled conveniently, be convenient for the change to the drift, improve;

2. the utility model discloses a be provided with the ejector pad pole in punching pole and connecting rod, when the punching pole is to the panel blanking, the ejector pad pole is pushed into the inside of punching pole by panel, the blanking is accomplished back waste material and panel separation and is glued at the tip of punching pole, the outside motion of ejector pad pole stretches out the punching pole under the spring action of second spring, and then pushes away the waste material of pasting on the punching pole from the punching pole, realize waste material and punching pole separation, realize the protection to the punching pole, the life of improvement drift.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a perspective view of the present invention;

fig. 4 is an internal structure view of the present invention.

Reference numerals: 1. punching a hole rod; 2. a connecting rod; 3. connecting blocks; 4. mounting grooves; 5. a punch mounting seat; 6. a via hole; 7. pushing the plate; 8. a push rod; 9. a first spring; 10. a baffle plate; 11. a locking pin; 12. a locking hole; 13. a limiting groove; 14. a limiting block; 15. a material pushing rod; 16. a second spring; 17. a material blocking bolt; 18. conical chamfering; 19. a pull ring; 20. a rubber sleeve; 21. anti-skid lines; 22. a positioning pin hole; 23. and a positioning pin.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a punch structure comprises a punching rod 1, wherein a connecting rod 2 is arranged at the upper end of the punching rod 1, a connecting block 3 is arranged at the upper end of the connecting rod 2, the connecting block 3 is positioned in a mounting groove 4, the mounting groove 4 is arranged on a punch mounting seat 5, through holes 6 are formed in the four corners of the punch mounting seat 5, the punch mounting seat 5 is fixed on a die through the through holes 6 by bolts, push plates 7 are slidably connected inside the two sides of the punch mounting seat 5, a push rod 8 is fixed at one end of each push plate 7, a first spring 9 is sleeved outside each push rod 8, one end, far away from the push plates 7, of each first spring 9 is in close contact with a baffle 10, the baffle 10 is fixed on the side wall of the outer side of the punch mounting seat 5, a locking pin 11 is fixed at one end, far away from the push rod 8, of each push plate 7, and the end of each locking pin 11 penetrates through the, the locking hole 12 is provided in the middle of the joint block 3.

Specifically, one side of the inside of the mounting groove 4 is provided with a limiting groove 13, a limiting block 14 is inserted in the limiting groove 13, and the limiting block 14 is fixed on the connecting block 3. The position of installing on drift mount pad 5 to connecting block 3 plays spacing fixed action, and then makes locking hole 12 on the connecting block 3 and the locking round pin 11 on the drift mount pad 5 to it, makes things convenient for the locking, plays the positioning action.

Specifically, the inside of punching rod 1 and connecting rod 2 has run through ejector beam 15, the lower extreme tip of ejector beam 15 runs through the tip of punching rod 1, the upper end of ejector beam 15 is provided with second spring 16, the upper end of second spring 16 is provided with keeps off material bolt 17, it is inside at the upper end of connecting block 3 to keep off material bolt 17 spiro union. Push down material pole 15 and outwards move and stretch out punching rod 1 under the spring action of second spring 16, and then push away punching rod 1 from the waste material of pasting on punching rod 1, realize waste material and punching rod 1 separation, realize the protection to punching rod 1, improve the life of drift.

Specifically, the end of the locking pin 11, which is far away from the push plate 7, is provided with a conical chamfer 18. The tapered chamfer 18 facilitates the insertion of the locking pin 11 into the locking hole 12, facilitating locking.

Specifically, one end of the push rod 8, which is far away from the push plate 7, is movably connected with a pull ring 19, the pull ring 19 is located outside the baffle plate 10, a rubber sleeve 20 is sleeved on the outer side of the pull ring 19, and anti-skid threads 21 are arranged on the rubber sleeve 20. The setting of pull ring 19 is convenient to be stimulateeed push rod 8 with the hand, and the setting of rubber sleeve 20 makes when the staff uses hand pulling pull ring 19, hand and rubber sleeve 20 flexible contact, improves the comfort level of hand, and the setting of antiskid line 21 improves the frictional force between hand and the rubber sleeve 20, the convenient pulling to pull ring 19.

Specifically, both sides of the punch mounting seat 5 are provided with positioning pin holes 22, positioning pins 23 are inserted into the positioning pin holes 22, and the other ends of the positioning pins 23 are inserted into the die. The positioning pin hole 22 is arranged to position the punch mounting seat 5 on a die, so that the punching precision is improved.

The structure principle is as follows: the pull ring 19 on the outer side of the punch mounting seat 5 is pulled outwards by hands, so that the push rod 8 is pulled to move outwards, the push plate 7 is driven to move outwards, the push plate 7 drives the locking pin 11 to move outwards, the locking pin 11 leaves the locking hole 12 on the connecting block 3, the connecting block 3 leaves the mounting groove 4 on the punch mounting seat 5 under the action of gravity, and the punch is dismounted;

during installation, a limiting block 14 on the connecting block 3 is inserted into a limiting groove 13 on the installation groove 4, then the connecting block 3 is inserted into the punch installation seat 5, the push plate 7 is pushed to move inwards under the action of the elastic force of the first spring 9, and then the push plate 7 pushes the locking pin 11 to be inserted into a locking hole 12 on the connecting block 3, so that the punch is installed;

through being provided with ejector beam 15 in punching rod 1 and connecting rod 2, when punching rod 1 is to the panel blanking, ejector beam 15 is pushed into punching rod 1's inside by panel, the blanking is accomplished back waste material and panel separation and is glued at punching rod 1's tip, ejector beam 15 outwards movement stretches out punching rod 1 under second spring 16's spring action, and then push away punching rod 1 from the waste material of pasting on punching rod 1, realize waste material and punching rod 1 separation, realize punching rod 1's protection, the life of improvement drift.

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

1. A punch structure, includes punch stem (1), its characterized in that: the punching die is characterized in that a connecting rod (2) is arranged at the upper end of the punching rod (1), a connecting block (3) is arranged at the upper end of the connecting rod (2), the connecting block (3) is located in a mounting groove (4), the mounting groove (4) is arranged on a punch mounting seat (5), four corner positions of the punch mounting seat (5) are provided with through holes (6), the punch mounting seat (5) penetrates through the through holes (6) through bolts to be fixed on a die, push plates (7) are connected to the inner portions of two sides of the punch mounting seat (5) in a sliding mode, a push rod (8) is fixed to one end of each push plate (7), a first spring (9) is sleeved on the outer side of each push rod (8), one end, far away from the push plates (7), of the first spring (9) is in close contact with a baffle (10), the baffle (10) is fixed on the side wall of the outer side of the punch mounting seat (5), one end, far away, the end part of the locking pin (11) penetrates through the punch mounting seat (5) and is inserted into the locking hole (12), and the locking hole (12) is formed in the middle of the connecting block (3).

2. A punch construction as claimed in claim 1, wherein: a limiting groove (13) is formed in one side of the inside of the mounting groove (4), a limiting block (14) is inserted in the limiting groove (13), and the limiting block (14) is fixed on the connecting block (3).

3. A punch construction as claimed in claim 1, wherein: the punching device is characterized in that a pushing rod (15) penetrates through the punching rod (1) and the connecting rod (2), the end of the lower end of the pushing rod (15) penetrates through the end of the punching rod (1), a second spring (16) is arranged at the upper end of the pushing rod (15), a material blocking bolt (17) is arranged at the upper end of the second spring (16), and the material blocking bolt (17) is in threaded connection with the inner portion of the upper end of the connecting block (3).

4. A punch construction as claimed in claim 1, wherein: and a conical chamfer (18) is arranged at the end part of one end of the locking pin (11) far away from the push plate (7).

5. A punch construction as claimed in claim 1, wherein: the anti-skid device is characterized in that a pull ring (19) is movably connected to the end portion, far away from the push plate (7), of the push rod (8), the pull ring (19) is located on the outer side of the baffle (10), a rubber sleeve (20) is sleeved on the outer side of the pull ring (19), and anti-skid grains (21) are arranged on the rubber sleeve (20).

6. A punch construction as claimed in claim 1, wherein: positioning pin holes (22) are formed in the two sides of the punch mounting seat (5), positioning pins (23) are inserted into the positioning pin holes (22), and the other ends of the positioning pins (23) are inserted into a die.