CN213195261U

CN213195261U - Punching die

Info

Publication number: CN213195261U
Application number: CN202022097124.XU
Authority: CN
Inventors: 朱晋仪
Original assignee: Xiangyang Baitai Power Electronic Co ltd
Current assignee: Xiangyang Baitai Power Electronic Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-14
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a stamping die technical field discloses a punching die, including lower bolster, cope match-plate pattern, set up in the set casing of lower bolster upside, set up in the die of set casing upside, the vertical guide pillar that is provided with of downside of cope match-plate pattern, the upside of lower bolster is just right the guide pillar is provided with the guide pin bushing, the one end that the guide pillar is close to the lower bolster is provided with the slider, slider sliding connection in the inner wall of guide pin bushing, the guide pin bushing is provided with first breather pipe, second breather pipe, the inlet end of first breather pipe with the second breather pipe give vent to anger the end all feed through in one side of guide pin bushing. The utility model discloses a set up two breather pipes in guide pin bushing one side, when the guide pillar downstream, the gas is outwards spout in the breather pipe, clears up and ash removal to drift and die, and when the guide pillar upward movement, the breather pipe is outwards breathed in, absorbs remaining surely powder in the die and handles together, can solve the problem of surely powder accumulation.

Description

Punching die

Technical Field

The utility model relates to a stamping die technical field, in particular to cut-out press.

Background

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 of a desired shape and size. A punching die is a punching die for punching a workpiece. When the existing punching die separates the materials of the part, the materials of the part are separated under the shearing force action of the cutting edge of the die, and simultaneously a large amount of metal cutting powder and cutting scraps are generated (refer to the reduction of the cutting powder of the automobile outer covering part in the trimming and punching process), and when the metal cutting powder and the cutting scraps are left in the die or adhered to the surface of the part for punching production, the surface of the part generates micro convex hulls, so that the quality of the part is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cut-out press aims at the problem that the long-term accumulation of surely powder that produces leads to the part quality step-down when punching a hole.

The above technical purpose of the present invention can be achieved by the following technical solutions: the die comprises a lower template, an upper template, a fixed shell arranged on the upper side of the lower template, a female die arranged on the upper side of the fixed shell, a guide pillar vertically arranged on the lower side of the upper template, a guide sleeve arranged on the upper side of the lower template and opposite to the guide pillar, a sliding block arranged at one end of the guide pillar close to the lower template and connected with the inner wall of the guide sleeve in a sliding manner, a first vent pipe and a second vent pipe arranged on the guide sleeve, an air inlet end of the first vent pipe and an air outlet end of the second vent pipe are both communicated with one side of the guide sleeve, an air outlet end of the first vent pipe is opposite to the female die, one end of the fixed shell is open and hollow, an opening end of the fixed shell is opposite to the punched hole of the female die, the second vent pipe penetrates through one side of the fixed shell and the air inlet end of the fixed shell, The second vent pipe is provided with a first valve and a second valve respectively.

The utility model discloses a further set up to: the set casing still is provided with the magnet piece, the magnet piece connect in the inner wall of set casing just is located the top of the end of giving vent to anger of second breather pipe, the both sides of magnet piece with set for the distance has between the inner wall of set casing.

The utility model discloses a further set up to: a through hole is formed in one side of the fixing shell, and a baffle plate used for controlling the opening and closing of the through hole is arranged on the fixing shell.

The utility model discloses a further set up to: the air outlet end of the first breather pipe is further provided with a spray head, and the spray head is right opposite to the punch.

The utility model discloses a further set up to: and the air inlet end of the second vent pipe is also provided with a flaring which is right opposite to the magnet block.

The utility model discloses a further set up to: the first valve and the second valve are one-way valves.

The utility model discloses a further set up to: the air outlet end of the second vent pipe is provided with a filter screen, and the filter screen is connected to the inner wall of the flaring.

The utility model has the advantages that: through setting up two breather pipes in guide pin bushing one side, when the guide pillar downstream, the gas is outwards spout in the breather pipe, clears up and ash removal to drift and die, and when the guide pillar upward movement, the breather pipe is outwards breathed in, absorbs remaining cuttings in the die and handles together, can solve the problem of cuttings accumulation, has improved the stability of mould.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a punching die of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view at B in fig. 1.

In the figure, 1, a lower template; 2. mounting a template; 3. a female die; 4. a stationary case; 5. a guide post; 6. a guide sleeve; 7. a slider; 8. a first vent pipe; 9. a second vent pipe; 10. a first valve; 11. a second valve; 12. a magnet block; 13. a baffle plate; 14. a spray head; 15. flaring; 16. and (5) filtering by using a filter screen.

Detailed Description

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

As shown in fig. 1-3, the utility model provides a punching die, which comprises a lower template 1, an upper template 2, a fixing shell 4 disposed on the upper side of the lower template 1, and a female die 3 disposed on the upper side of the fixing shell 4, wherein a guide pillar 5 is vertically disposed on the lower side of the upper template 2, a guide sleeve 6 is disposed on the upper side of the lower template 1 opposite to the guide pillar 5, a slider 7 is disposed on one end of the guide pillar 5 close to the lower template 1, the slider 7 is slidably connected to the inner wall of the guide sleeve 6, the guide sleeve 6 is provided with a first vent pipe 8 and a second vent pipe 9, the air inlet end of the first vent pipe 8 and the air outlet end of the second vent pipe 9 are both communicated with one side of the guide sleeve 6, the air outlet end of the first vent pipe 8 is opposite to the female die 3, one end of the fixing shell 4 is open and hollow, the open end of the fixing shell 4 is opposite, the second vent pipe 9 penetrates through one side of the fixed shell 4, an air inlet end of the second vent pipe is right opposite to an opening end of the fixed shell 4, and the first vent pipe 8 and the second vent pipe 9 are respectively provided with a first valve 10 and a second valve 11.

In this embodiment, the punching die further comprises a punching machine, a pressing plate and a punch, wherein the punching machine is connected to the upper die plate 2 and used for driving the upper die plate 2 to move up and down, the pressing plate is connected with the upper die plate 2 through a pressing spring, when the upper die plate 2 moves down, the pressing plate moves down to be in contact with the surface of a workpiece, the upper die plate 2 continues to move down at the moment, the pressing spring is compressed, the punch punches the workpiece in the female die 3, air in the guide sleeve 6 is extruded by the slider 7 and is sprayed out from the first vent pipe 8, dust and debris on the surfaces of the punch and the female die 3 are cleaned, after the punching is completed, the upper die plate 2 moves up, the second vent pipe 9 sucks air, the workpiece is attached to the surface of the female die 3 due to the suction force, the punch moves up to leave the workpiece and the female die 3.

It should be noted that, in the present embodiment, there is only one of the female die 3 and the punch, and the structure is not exclusive, and the punching of the multi-hole female die 3 and the plurality of punches can be realized by the structure.

Preferably, the fixed shell 4 is further provided with a magnet block 12, the magnet block 12 is connected to the inner wall of the fixed shell 4 and located above the air outlet end of the second air vent 9, and a set distance is provided between two sides of the magnet block 12 and the inner wall of the fixed shell 4.

The magnet block 12 is arranged on the lower side of the concave die 3, the workpiece is generally made of steel and the like, and can be attracted by the magnet, and after the workpiece is punched, the cutting powder falls onto the magnet block 12 and is attracted after being attracted by the second vent pipe 9. In this embodiment, the set distance between the magnet block 12 and the stationary case 4 is 3cm, and the distance between 4cm and 5cm may be selected according to the specific working environment.

Preferably, a through hole is formed in one side of the fixed shell 4, and a baffle 13 for controlling the opening and closing of the through hole is arranged on the fixed shell 4.

It should be noted that, in this embodiment, baffle 13 can be connected on set casing 4 through articulated form, through setting up baffle 13, when needing to change magnet piece 12 and clear up the inside of set casing 4, can pull open baffle 13, takes out magnet piece 12, clears up the inside of set casing 4 with cleaning device.

Preferably, the air outlet end of the first air pipe 8 is further provided with a spray head 14, and the spray head 14 is opposite to the punch.

Through setting up shower nozzle 14, when making the gas blowout in the first breather pipe 8, alignment drift and die 3 that can be accurate make the gas injection effect more obvious. The shape of the nozzle 14 in this embodiment is a cone, and other structures having the same function are also possible.

Preferably, the inlet end of the second vent pipe 9 is further provided with a flared opening 15, and the flared opening 15 is opposite to the magnet block 12.

Through setting up flaring 15, when second breather 9 breathes in, can be on a large scale absorb the air in the set casing 4, prevent to lead to absorbing the not good condition of effect because of the pipe diameter of second breather 9 is small slightly.

Preferably, the first valve 10 and the second valve 11 are one-way valves.

By arranging the two one-way electromagnetic valves, when the guide pillar 5 moves downwards, the electromagnetic valve on the second vent pipe 9 is closed, the electromagnetic valve on the first vent pipe 8 is opened, and gas is sprayed out from the first vent pipe 8. When the guide post 5 moves upwards, the electromagnetic valve on the first vent pipe 8 can be controlled to be closed, the electromagnetic valve on the second vent pipe 9 is controlled to be opened, and gas is sucked from the second vent pipe 9. In this embodiment, the check valve on the first breather pipe 8 is installed in the direction opposite to the direction in which the check valve on the second breather pipe 9 is installed.

Preferably, a filter screen 16 is arranged at the air outlet end of the second vent pipe 9, and the filter screen 16 is connected to the inner wall of the flared opening 15.

By arranging the filter screen 16, when the second vent pipe 9 sucks air, as part of cut powder can be sucked from the magnet block 12, the filter screen 16 is added on the second vent pipe 9 to prevent the cut powder from entering the second vent pipe 9 and then entering the guide sleeve 6, so that the subsequent work is influenced.

The utility model discloses an in the concrete use, at first move upper die plate 2 down through the punching machine, guide pillar 5 downstream drives slider 7 and slides in guide pin bushing 6, and airtight gas in the guide pin bushing 6 is through the blowout of first breather pipe 8, and on gaseous drift and die 3 of spouting, the work piece on the drift will die 3 punches a hole this moment. After punching, the punching machine moves the upper die plate 2 upwards, the guide pillar 5 moves upwards to drive the slide block 7 to move upwards, the air pressure in the guide sleeve 6 becomes low to enable the second vent pipe 9 to suck air, the cutting powder in the female die 3 is sucked onto the magnet block 12 through the suction force of the second vent pipe 9, and after a period of time, the baffle 13 is taken down to replace the magnet block 12 and clean the fixed shell 4.

It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A punching die is characterized in that: comprises a lower template (1), an upper template (2), a fixed shell (4) arranged on the upper side of the lower template (1) and a female die (3) arranged on the upper side of the fixed shell (4), wherein a guide pillar (5) is vertically arranged on the lower side of the upper template (2), a guide sleeve (6) is arranged right opposite to the guide pillar (5) on the upper side of the lower template (1), a slide block (7) is arranged at one end, close to the lower template (1), of the guide pillar (5), the slide block (7) is connected to the inner wall of the guide sleeve (6) in a sliding manner, a first vent pipe (8) and a second vent pipe (9) are arranged on the guide sleeve (6), the air inlet end of the first vent pipe (8) and the air outlet end of the second vent pipe (9) are both communicated with one side of the guide sleeve (6), the air outlet end of the first vent pipe (8) is right opposite to the female die (3), one end, the open end of set casing (4) just to punching a hole of die (3), second breather pipe (9) run through in one side of set casing (4) and inlet end just to the open end of set casing (4), be provided with first valve (10), second valve (11) on first breather pipe (8), second breather pipe (9) respectively.

2. The punching die of claim 1, wherein: the fixed shell (4) is further provided with a magnet block (12), the magnet block (12) is connected to the inner wall of the fixed shell (4) and located above the air outlet end of the second air vent pipe (9), and set distances are reserved between the two sides of the magnet block (12) and the inner wall of the fixed shell (4).

3. The punching die of claim 1, wherein: a through hole is formed in one side of the fixed shell (4), and a baffle (13) used for controlling the opening and closing of the through hole is arranged on the fixed shell (4).

4. The punching die of claim 1, wherein: the air outlet end of the first vent pipe (8) is further provided with a spray head (14), and the spray head (14) is right opposite to the concave die (3).

5. A punching die according to claim 2, wherein: and the air inlet end of the second vent pipe (9) is also provided with a flaring (15), and the flaring (15) is right opposite to the magnet block (12).

6. The punching die of claim 1, wherein: the first valve (10) and the second valve (11) are both one-way valves.

7. The punching die of claim 5, wherein: the air inlet end of the second vent pipe (9) is provided with a filter screen (16), and the filter screen (16) is connected to the inner wall of the flaring (15).