CN223629404U - Stamping die convenient for taking parts - Google Patents

Abstract

The utility model discloses a stamping die convenient for taking a part, which relates to the technical field of dies and comprises an upper die holder and a lower die holder, wherein a guide post is connected between the upper die holder and the lower die holder, an upper die plate is arranged at the lower end of the upper die holder, four corners of the upper die plate are connected in a guiding way through the guide post, a punch is arranged at the lower end of the upper die plate, a fixed seat is arranged on the lower die holder, a lower die plate is arranged on the fixed seat, an annular groove is formed in the lower die plate, a placing plate is arranged in the annular groove, a hydraulic cylinder is arranged on the upper die holder and used for driving the upper die plate and the lower die plate to be matched, a waste discharging hole is correspondingly arranged on the punch, and when the die is opened, a pushing rod is matched with a fourth inclined plane of a transmission rod in a butt joint manner in an upward moving process, so that the second inclined plane is matched with the first inclined plane in a butt joint manner, the moving rod and the placing plate are pushed to move upward, the placing plate and a workpiece are far away from the lower die plate, and the taking notch is utilized to conveniently take the workpiece after punching processing.

Description

Stamping die convenient for taking parts

Technical Field

The utility model relates to the technical field of dies, in particular to a stamping die convenient for taking a workpiece.

Background

The stamping die is a tool for forming and processing plates, strips, pipes, sectional materials and the like on a press by pressure, and is widely applied to industries such as automobile manufacturing, aerospace, household appliance production and the like. The stamping process is a cold working method in which a metal material is plastically deformed by applying an external force to the metal material through a die to obtain a part having a certain shape, size and performance.

The classification of the stamping process includes drawing, bending, blanking, flanging and shaping, wherein the blanking includes blanking, punching and the like, a required outline or hole is separated from a plate, and when punching of some sheets is performed at present, a placing groove for placing a workpiece (a lower die core can be installed, the placing groove is formed in the lower die core) is required to be formed in a lower die for placing the workpiece, after the workpiece is placed in the placing groove and the punching is completed, an operator can hardly directly take the workpiece out of the lower die because the workpiece is thinner, and if the operator uses the hole just punched to take the workpiece, the workpiece is easily scratched by the edge of the hole, so that the conventional punching die has the problem of inconvenient taking when the thinner workpiece is punched.

In this regard, a new solution is needed to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The stamping die comprises an upper die holder and a lower die holder, wherein a guide pillar is connected between the upper die holder and the lower die holder, an upper die plate is arranged at the lower end of the upper die holder, four corners of the upper die plate are connected in a guiding manner through the guide pillar, a punch is arranged at the lower end of the upper die plate, a fixing seat is arranged on the lower die holder, a lower die plate is arranged on the fixing seat, an annular groove is formed in the lower die plate, a placing plate is arranged in the annular groove, a hydraulic cylinder is arranged on the upper die holder, and the hydraulic cylinder is used for driving the upper die plate and the lower die plate to be matched;

The waste discharging hole corresponds to the punch, and penetrates through the fixing seat, the lower template and the placing plate;

The two sides of the lower template are provided with first guide grooves, the two first guide grooves correspond to the two sides of the lower end of the placement plate respectively, the first guide grooves extend into the fixing seat, the two sides of the fixing seat are provided with second guide grooves, and the two second guide grooves are communicated with the two first guide grooves respectively;

The movable rod is arranged in the first guide groove in a guiding way, the upper end of the movable rod penetrates out of the first guide groove and is connected with the placing plate, a first inclined surface is arranged at the lower end of the movable rod towards one side of the second guide groove, a transmission rod is arranged in the second guide groove in a guiding way, a second inclined surface is arranged at one side of the transmission rod towards the first guide groove, the second inclined surface is in butt joint fit with the first inclined surface, long rods are connected to two sides of the lower end of the upper template, the lower end of the long rod is bent for 90 degrees twice towards one side of the fixing seat to form a pushing rod, a third inclined surface is arranged at the upper end of the pushing rod, one side of the transmission rod away from the first guide groove penetrates out of the fixing seat and is provided with a fourth inclined surface, and the fourth inclined surface is in butt joint fit with the third inclined surface;

Wherein, the first inclined plane, the second inclined plane, the third inclined plane and the fourth inclined plane have the same inclination angle with each other.

According to the utility model, the placing plate is provided with a workpiece placing groove, and the edge of the placing plate is also provided with a taking notch.

As a further scheme of the utility model, the inner bottom surface of the second guide groove is provided with a movable groove, the lower end of the transmission rod is provided with a movable block which is arranged in the movable groove in a sliding way, a reset spring is arranged between one side surface of the movable block facing the first guide groove and the inner wall of the movable groove, and the reset spring can push the movable block and the transmission rod to a direction far away from the first guide groove.

The utility model further provides a scheme that limit seats are arranged on two sides of the upper end of the lower die holder, limit grooves are formed in the limit seats, and the transmission rod is in guide fit with the limit grooves;

the lower end of the limiting groove is also provided with a through hole communicated with the limiting groove, and the pushing rod extends to the inside of the limiting groove through the through hole to be matched with the transmission rod in a butt joint way.

As a further scheme of the utility model, the annular groove is provided with a buffer ring.

According to the utility model, the two sides of the lower die base are provided with the abdication grooves corresponding to the two long rods.

As a further scheme of the utility model, cushion blocks are arranged at four corners of the lower end of the lower die holder.

Compared with the prior art, the technical scheme has the beneficial effects that when the upper die plate moves upwards and the lower die plate opens, the long rods on the two sides and the pushing rod are in butt joint fit with the fourth inclined surface of the driving rod along with the upward movement process, so that the driving rod is pushed to translate towards the inside of the second guide groove, and the second inclined surface is in butt joint fit with the first inclined surface in the translation process of the driving rod so as to push the moving rod to move upwards, so that the placing plate is pushed by the moving rod to move upwards, the placing plate and the workpiece are far away from the lower die plate, and the taking notch at the edge of the placing plate is utilized, so that an operator can conveniently take the workpiece after punching processing is finished, and the problem that the workpiece is inconvenient to take when the workpiece is processed to be thinner at present is effectively solved;

And when punching operation is carried out again, stock and catch bar move down, third inclined plane and fourth inclined plane separation, the transfer line is not being moved by the top of catch bar, the inside reset spring of movable groove utilizes elastic potential energy to promote movable block and transfer line and moves and reset this moment, make second inclined plane and first inclined plane separation, even make the movable rod to rely on self gravity to drive to place the board and move down in the middle of the ring channel, and the lower limb moves down the stroke and is greater than to place the board, therefore when placing the board and move down in the ring channel completely, cope match-plate pattern still is in the in-process of moving down with the drift, can avoid the drift to produce the collision with still being in unsettled place the board, lead to placing the board and take place frequent striking and damage by the lower bolster after being impacted by the drift, in order to realize need not additionally to increase electric power mechanism, reach and place the board and can follow the mould that opens and shuts of cope match-plate pattern and lower bolster and independently lift and move down effect.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the upper die plate and the lower die of the utility model when the upper die plate and the lower die are opened;

FIG. 3 is a schematic view of the structure of the upper die plate and the lower die when the upper die plate and the lower die are assembled;

FIG. 4 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 5 is an enlarged schematic view of the partial structure at A in FIG. 2;

FIG. 6 is a schematic view of a placement plate structure of the present utility model;

corresponding reference characters indicate the following throughout the drawings:

1. The device comprises an upper die holder, a lower die holder, 3, a guide post, 4, an upper die plate, 5, a punch, 6, a fixed seat, 7, a lower die plate, 8, an annular groove, 9, a placing plate, 10, a hydraulic cylinder, 11, a waste discharge hole, 12, a first guide groove, 13, a second guide groove, 14, a moving rod, 15, a first inclined plane, 16, a transmission rod, 17, a second inclined plane, 18, a long rod, 19, a pushing rod, 20, a third inclined plane, 21, a fourth inclined plane, 22, a movable groove, 23, a movable block, 24, a reset spring, 25, a limit seat, 26, a limit groove, 27, a through hole, 28, a workpiece placing groove, 29, a taking notch, 30, a buffer ring, 31, a yielding groove, 32 and a cushion block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a stamping die convenient for taking a workpiece comprises an upper die holder 1 and a lower die holder 2, wherein a guide post 3 is connected between the upper die holder 1 and the lower die holder 2, an upper die plate 4 is arranged at the lower end of the upper die holder 1, four corners of the upper die plate 4 are connected in a guiding manner through the guide post 3, a punch 5 is arranged at the lower end of the upper die plate 4, a fixed seat 6 is arranged on the lower die holder 2, a lower die plate 7 is arranged on the fixed seat 6, an annular groove 8 is formed in the lower die plate 7, a placing plate 9 is arranged in the annular groove 8, a hydraulic cylinder 10 is arranged on the upper die holder 1, and the hydraulic cylinder 10 is used for driving the upper die plate 4 to be matched with the lower die plate 7;

preferably, a workpiece is placed on a placing plate 9 of a lower template 7, an upper template 4 and the lower template 7 are driven to be clamped by a hydraulic cylinder 10, so that a punch 5 at the lower end of the upper template 4 punches a hole on the placing plate 9, after the hole punching is finished, the hydraulic cylinder 10 drives the upper template 4 and the lower template 7 to separate, so that the workpiece which is subjected to the hole punching processing on the placing plate 9 can be taken away, wherein four corners of the upper template 4 are connected in a guiding way through guide posts 3, guiding limitation is provided for the movement of the upper template 4, the upper template 4 moves linearly, deviation during movement is avoided, and the hole punching processing precision is improved;

The device also comprises a waste discharging hole 11, wherein the waste discharging hole 11 corresponds to the punch 5, the waste discharging hole 11 penetrates through the fixed seat 6, the lower die plate 7 and the placing plate 9, and the waste discharging hole 11 penetrating through the fixed seat 6, the lower die plate 7 and the placing plate 9 can fall to the bottom of the die, so that operators can conveniently process the waste at regular intervals;

The two sides of the lower template 7 are provided with first guide grooves 12, the two first guide grooves 12 respectively correspond to the two sides of the lower end of the placing plate 9, the first guide grooves 12 extend into the fixed seat 6, the two sides of the fixed seat 6 are provided with second guide grooves 13, and the two second guide grooves 13 are respectively communicated with the two first guide grooves 12;

A moving rod 14 is arranged in the first guide groove 12 in a guiding manner, the upper end of the moving rod 14 penetrates out of the first guide groove 12 and is connected with the placing plate 9, a first inclined surface 15 is arranged on the side, facing the second guide groove 13, of the lower end of the moving rod 14, a transmission rod 16 is arranged in the second guide groove 13 in a guiding manner, a second inclined surface 17 is arranged on the side, facing the first guide groove 12, of the transmission rod 16, the second inclined surface 17 is in butt joint with the first inclined surface 15, long rods 18 are connected to two sides of the lower end of the upper die plate 4, the lower end of the long rods 18 is bent for 90 degrees twice towards the side of the fixed seat 6 to form a pushing rod 19, a third inclined surface 20 is arranged at the upper end of the pushing rod 19, a fourth inclined surface 21 is formed on the side, facing away from the first guide groove 12, of the transmission rod 16 is penetrated out of the fixed seat 6, and the fourth inclined surface 21 is in butt joint with the third inclined surface 20;

Wherein the first inclined plane 15, the second inclined plane 17, the third inclined plane 20 and the fourth inclined plane 21 have the same inclination angle with each other;

Specifically, when the upper die plate 4 moves upwards and the lower die plate 7 is opened, the long rods 18 on two sides move upwards along with the upper die plate 4, the pushing rods 19 connected with the long rods 18 are in butt joint with the fourth inclined surfaces 21 of the transmission rods 16 along with the upward movement process, and the upward movement of the pushing rods 19 is gradually converted into the power for pushing the transmission rods 16 to translate into the second guide grooves 13 along with the gradual contact and interaction, the second inclined surfaces 17 are in butt joint with the first inclined surfaces 15 at the lower ends of the moving rods 14 along with the gradual contact and interaction, the transverse movement of the transmission rods 16 is converted into the power for pushing the moving rods 14 upwards, the top ends of the moving rods 14 penetrate through the lower die plate 7 and are connected with the placing plates 9, and the placing plates 9 are pushed to move upwards by the moving rods 14, so that the placing plates 9 and workpieces are far away from the lower die plate 7, and the workpieces which are processed by an operator can conveniently take the workpieces which are processed by punching, and the problem that the workpieces which are thin at present are inconvenient to take is effectively solved;

the length and width of the first guide groove 12 should be consistent with the moving rod 14, so that the moving rod 14 can move vertically, and the length and width of the second guide groove 13 should be consistent with the driving rod 16, so that the driving rod 16 can move linearly, further ensuring accuracy of movement track, avoiding the situations of deviation, skew and the like of the moving rod 14 and the driving rod 16 in the moving process, improving the conversion effectiveness of power among each other, and also enabling the movement under interaction to be smoother.

In this embodiment, referring to fig. 6, it is further proposed that the placing plate 9 is provided with a workpiece placing groove 28, and the edge of the placing plate 9 is also provided with a taking notch 29;

Further, after the placing plate 9 is pushed up by the moving rod 14, the operator can quickly and conveniently take and remove the workpiece by utilizing the conveniently opened taking notch 29 of the placing plate 9, and the workpiece placing groove 28 is formed for positioning and placing the workpiece.

In this embodiment, referring to fig. 3 and 5, it is further proposed that the inner bottom surface of the second guide groove 13 is provided with a movable groove 22, the lower end of the transmission rod 16 is provided with a movable block 23 slidably disposed in the movable groove 22, a return spring 24 is disposed between a side surface of the movable block facing the first guide groove 12 and the inner wall of the movable groove 22, and the return spring 24 can push the movable block 23 and the transmission rod 16 in a direction away from the first guide groove 12;

When the workpiece subjected to punching processing is taken away and the next workpiece is placed on the placement plate 9 to perform punching operation again, the hydraulic cylinder 10 drives the upper die plate 4 to move downwards, the long rod 18 and the pushing rod 19 move downwards along with the movement of the upper die plate, the third inclined surface 20 of the pushing rod 19 is separated from the fourth inclined surface 21 of the driving rod 16, the driving rod 16 is not in the process of moving downwards by the pushing rod 19, at the moment, the reset spring 24 in the movable groove 22 pushes the movable block 23 by utilizing the elastic potential energy stored before, the movable block 23 drives the driving rod 16 to move and reset to the side far away from the first guide groove 12, the second inclined surface 17 is separated from the first inclined surface 15, namely, the moving rod 14 can move downwards and reset by virtue of self gravity, so that the placement plate 9 moves downwards to the annular groove 8, and the lower movement stroke of the upper die plate 4 and the punch 5 is required to be known to be larger than the placement plate 9, therefore, when the placement plate 9 moves downwards to the annular groove 8 completely, the upper die plate 4 and the punch 5 are still in the process of moving downwards, the punch 5 can be prevented from generating the impact effect of the upper die plate 9 and the lower die plate 9 which is still in suspension, the upper die plate 7 is required to be frequently placed, and the die plate 7 is required to be placed to be frequently and the impact and the upper die plate 7 is required to be placed to be additionally to be in the place, and the die plate 7 is required to be moved to be in the impact and the upper die plate and the lower die plate is frequently to be placed.

In this embodiment, referring to fig. 1-4, it is further proposed that both sides of the upper end of the lower die holder 2 are provided with a limiting seat 25, a limiting groove 26 is formed in the limiting seat 25, and the transmission rod 16 is in guiding fit with the limiting groove 26;

Wherein, the lower end of the limit groove 26 is also provided with a through hole 27 communicated with the limit groove 26, and the push rod 19 extends into the limit groove 26 through the through hole 27 to be in butt joint with the transmission rod 16;

Preferably, the limiting seats 25 are additionally arranged at two sides of the lower die holder 2, and the transmission rods 16 penetrating out of the fixed seat 6 are guided and limited in the limiting seats 25, so that the movement track of the external transmission rods 16 is guided and limited, the situation that the transmission rods 16 warp when the pushing rods 19 push the transmission rods 16 is avoided, and meanwhile, the pushing holes 27 are formed to provide a channel for upward movement of the pushing rods 19, and movement collision with the pushing rods 19 is avoided.

In this embodiment, referring to fig. 4, it is further proposed that the annular groove 8 is provided with a buffer ring 30;

Preferably, the buffer ring 30 arranged on the annular groove 8 can be made of materials such as silica gel and rubber capable of absorbing impact force, when the placing plate 9 moves down to the annular groove 8, the buffer ring 30 can be used for absorbing vibration generated when the placing plate 9 collides with the bottom surface of the annular groove 8, so that the placing plate 9 is prevented from vibrating to cause the displacement of a workpiece placed on the upper surface, the stability of the workpiece is further ensured, the reject ratio is reduced, and the processing quality is improved.

In this embodiment, referring to fig. 1, it is further proposed that two sides of the lower die holder 2 are provided with relief grooves 31 corresponding to the two long rods 18;

preferably, the relief groove 31 is provided to provide a space for the up-and-down movement of the long rod 18 and the pushing rod 19, and also to limit the movement direction of the long rod 18 so that the long rod 18 can move linearly.

In this embodiment, referring to fig. 1, it is further proposed that cushion blocks 32 are disposed at four corners of the lower end of the lower die holder 2;

The spacer 32 serves on the one hand to raise the lower die holder 2 and facilitate the cleaning of the scrap, and on the other hand to provide room for the down-movement of the long bar 18.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The stamping die convenient for taking the workpiece is characterized by comprising an upper die holder (1) and a lower die holder (2), wherein a guide pillar (3) is connected between the upper die holder (1) and the lower die holder (2), an upper die plate (4) is arranged at the lower end of the upper die holder (1), four corners of the upper die plate (4) are connected in a guiding manner through the guide pillar (3), a punch (5) is arranged at the lower end of the upper die plate (4), a fixing seat (6) is arranged on the lower die holder (2), a lower die plate (7) is arranged on the fixing seat (6), an annular groove (8) is formed in the lower die plate (7), a placing plate (9) is arranged in the annular groove (8), a hydraulic cylinder (10) is arranged on the upper die holder (1), and the hydraulic cylinder (10) is used for driving the upper die plate (4) to be matched with the lower die plate (7);

the device further comprises a waste discharging hole (11), wherein the waste discharging hole (11) corresponds to the punch (5), and the waste discharging hole (11) penetrates through the fixing seat (6), the lower die plate (7) and the placing plate (9);

The two sides of the lower template (7) are provided with first guide grooves (12), the two first guide grooves (12) are respectively corresponding to the two sides of the lower end of the placement plate (9), the first guide grooves (12) extend into the fixed seat (6), the two sides of the fixed seat (6) are respectively provided with second guide grooves (13), and the two second guide grooves (13) are respectively communicated with the two first guide grooves (12);

the novel movable support is characterized in that a movable rod (14) is arranged in the first guide groove (12) in a guiding manner, the upper end of the movable rod (14) penetrates out of the first guide groove (12) and is connected with the placement plate (9), a first inclined surface (15) is arranged at one side of the lower end of the movable rod (14) towards the second guide groove (13), a transmission rod (16) is arranged in the second guide groove (13) in a guiding manner, a second inclined surface (17) is arranged at one side of the transmission rod (16) towards the first guide groove (12), the second inclined surface (17) is in butt joint with the first inclined surface (15), long rods (18) are connected to two sides of the lower end of the upper template (4), a pushing rod (19) is formed by bending the lower end of the long rod (18) twice by 90 degrees towards one side of the fixed seat (6), a third inclined surface (20) is arranged at the upper end of the pushing rod (19), a fourth inclined surface (21) is formed by penetrating out of the fixed seat (6) at one side of the transmission rod (16) away from the first guide groove (12), and the fourth inclined surface (21) is in butt joint with the third inclined surface (20);

Wherein the first inclined plane (15), the second inclined plane (17), the third inclined plane (20) and the fourth inclined plane (21) have the same inclination angle with each other.

2. The stamping die for conveniently taking parts according to claim 1, wherein the placing plate (9) is provided with a workpiece placing groove (28), and the edge of the placing plate (9) is also provided with a taking notch (29).

3. The stamping die for conveniently taking parts according to claim 1, wherein the inner bottom surface of the second guide groove (13) is provided with a movable groove (22), the lower end of the transmission rod (16) is provided with a movable block (23) which is arranged in the movable groove (22) in a sliding manner, a return spring (24) is arranged between one side surface of the movable block, which faces the first guide groove (12), and the inner wall of the movable groove (22), and the return spring (24) can push the movable block (23) and the transmission rod (16) in a direction away from the first guide groove (12).

4. The stamping die for conveniently taking parts according to claim 3, wherein limiting seats (25) are arranged on two sides of the upper end of the lower die holder (2), limiting grooves (26) are formed in the limiting seats (25), and the transmission rod (16) is in guide fit with the limiting grooves (26);

The lower end of the limiting groove (26) is also provided with a through hole (27) communicated with the limiting groove (26), and the pushing rod (19) extends to the inside of the limiting groove (26) through the through hole (27) to be in butt joint with the transmission rod (16).

5. A stamping die for facilitating picking up parts according to claim 3, characterized in that the annular groove (8) is provided with a buffer ring (30).

6. A stamping die for conveniently taking a workpiece according to claim 3, wherein the two sides of the lower die holder (2) are provided with abdication grooves (31) corresponding to the two long rods (18).

7. The stamping die for conveniently taking parts according to claim 6, wherein cushion blocks (32) are arranged at four corners of the lower end of the lower die holder (2).