CN214556745U

CN214556745U - Stamping die for automobile part machining

Info

Publication number: CN214556745U
Application number: CN202120501555.XU
Authority: CN
Inventors: 时立平
Original assignee: Wuxi Huaerzhong Auto Parts Co ltd
Current assignee: Wuxi Huaerzhong Auto Parts Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-02
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a stamping die for auto parts machining, including base, lower bolster and cope match-plate pattern, the piston cylinder has been seted up to the inside downside of base, and the inside sliding connection of piston cylinder has a piston board, the gas storage chamber has been seted up to the inside upside of base, and all is linked together through the connecting pipe bottom gas storage chamber downside and piston cylinder top and gas storage chamber left side and piston cylinder, and connecting pipe internally mounted has a check valve simultaneously, the lower bolster sets up in the base top. This stamping die for auto parts machining is provided with electromagnetism choke valve, air vent and transfer air cavity, makes compressed air get into the transfer air cavity, and the gas in the transfer air cavity gets into the die cavity through the air vent to ejecting die inslot inlayed work piece utilizes atmospheric pressure to accomplish the drawing of patterns, avoids the work piece to receive the problem that the pressure is too big to lead to the deformation when the drawing of patterns, and the clean work to the die cavity has been accomplished to spun gas simultaneously, and the use has more the practicality.

Description

Stamping die for automobile part machining

Technical Field

The utility model relates to a stamping die technical field specifically is a stamping die for auto parts machining.

Background

The stamping is a pressure processing method for applying pressure to a raw material by using a die at room temperature to generate separation or plastic deformation, wherein the stamping die is an important part for determining the shape of a finished product, and through mass search, the conventional stamping die is found to be typically disclosed as the following patent numbers: CN201920781422.5, a stamping die convenient to change stamping die head, it includes upper die base and die holder, and when the upper die base inserted the die holder, slowly bounce the top post through the spring sleeve, make the top post jack-up stamping die head, played certain guard action to stamping die head, was convenient for changed stamping die head.

In summary, the existing stamping die usually adopts a mode of ejecting a round thimble for demoulding, because the contact area between the round thimble and a workpiece is small, the pressure between the round thimble and the workpiece is large, the workpiece is easy to deform or even damage when a thin workpiece is processed, certain limitation is realized when the stamping die is used, the existing stamping die only depends on a gasket for buffering, the gasket can only reduce the influence of pressure on a male die and a female die, after the stamping die runs for a long time, the collision between the male die and the female die inevitably can cause deformation of partial components of the stamping die, the service life of the stamping die is short, the stamping die is not practical enough to use, and the existing equipment needs to be improved aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stamping die for auto parts processing, in order to solve some stamping die that provide among the above-mentioned background art and adopt the ejecting mode of circle thimble to carry out the drawing of patterns usually, because the area of contact of circle thimble and work piece is less, make the pressure between circle thimble and the work piece great, lead to the work piece to warp or even damage easily when processing thinner work piece, use and get up and have certain limitation, and current stamping die only relies on the gasket to cushion, the gasket only can reduce the influence of pressure to terrace die and die, this stamping die moves the back for a long time, collision inevitable between terrace die and the die can lead to stamping die's some parts to take place deformation, then lead to the not high problem of this stamping die life.

In order to achieve the above object, the utility model provides a following technical scheme: a stamping die for processing automobile parts comprises a base, a lower template and an upper template,

the piston cylinder is arranged on the lower side in the base, the piston plate is connected to the interior of the piston cylinder in a sliding mode, the gas storage cavity is arranged on the upper side in the base, the lower side of the gas storage cavity is communicated with the top of the piston cylinder, the left side of the gas storage cavity is communicated with the bottom of the piston cylinder through connecting pipes, and meanwhile a first check valve is mounted inside the connecting pipes;

the lower die plate is arranged above the base, a transfer air cavity communicated with the air storage cavity is formed in the lower side of the interior of the lower die plate, a concave die groove is formed in the upper side of the lower die plate, and a lower backing plate is arranged between the bottom of the lower die plate and the top of the base;

the improved stamping die comprises an upper die plate, wherein the upper die plate is arranged above a lower die plate, connecting columns are fixedly arranged at four corners of the bottom of the upper die plate, the lower ends of the connecting columns penetrate through a base and are fixedly connected with the top of a piston plate, an upper base plate is fixedly arranged on the lower surface of the upper die plate, a pressing plate is arranged below the upper base plate, four corners of the top of the pressing plate are fixedly connected with the bottom of the upper die plate through compression springs, a male die is fixedly arranged on the lower side of the upper die plate, and the male die penetrates through the upper base plate and the center of the pressing plate.

Preferably, the air inlet holes are formed in the upper side and the lower side of the right side of the base, and a second one-way valve is arranged inside each air inlet hole.

Preferably, the sliding distance of the piston plate in the piston cylinder is equal to the distance between the lowest end of the male die and the lowest end of the female die groove.

Preferably, the lower end of the transfer air cavity is hermetically connected with the upper end of the air storage cavity, and an electromagnetic throttle valve is arranged at the communication position of the transfer air cavity and the air storage cavity.

Preferably, the bottom of the female die groove is communicated with the transfer air cavity through a vent hole, and the vent hole is formed in the lower die plate according to a processing technology.

Preferably, the lowest end of the male die and the lowest end of the pressure plate are positioned on the same horizontal plane, and the distance between the uppermost end of the pressure plate and the upper backing plate is equal to the height of the female die groove.

Compared with the prior art, the beneficial effects of the utility model are that: the stamping die for processing the automobile parts,

(1) the stamping die is provided with a piston cylinder and an air storage cavity, when a driving device pushes an upper die plate to move downwards, the upper die plate pushes a piston plate to move downwards along the piston cylinder through a connecting column, so that air on the lower side of the piston cylinder enters the air storage cavity through a connecting pipe and is compressed in the air storage cavity, the air pressure in the air storage cavity is increased along with the gradual downward movement of the piston plate, the compressed air absorbs the impact force generated when the upper die plate moves downwards, the buffering effect is achieved, the protection effect on the stamping die component is further improved by matching an upper base plate and a lower base plate, and the service life of the stamping die is greatly prolonged;

(2) be provided with electromagnetic throttle valve, air vent and transfer air cavity, the cope match-plate pattern reciprocates the punching press of completion to the work piece, a large amount of air are impressed to the gas storage intracavity through the motion of piston plate when the cope match-plate pattern reciprocates, flow through control electromagnetic throttle valve afterwards, make compressed air get into the transfer air cavity, the gas in the transfer air cavity gets into the die cavity through the air vent, and ejecting die cavity in the work piece of inlaying, utilize atmospheric pressure to accomplish the drawing of patterns, avoid the work piece problem that the local pressure intensity of receiving when the drawing of patterns is too big to lead to the deformation, the clean work to the die cavity has been accomplished to spun gas simultaneously, it has more the practicality to use.

Drawings

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

FIG. 2 is a schematic view of the bottom cross-section of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the top view cross-sectional structure of the transfer air cavity of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the cavity of the present invention.

In the figure: 1. the device comprises a base, 2, a piston cylinder, 3, a piston plate, 4, an air storage cavity, 5, a connecting pipe, 6, a first check valve, 7, a lower template, 8, a transfer air cavity, 9, a female die groove, 10, a lower backing plate, 11, an upper template, 12, a connecting column, 13, an upper backing plate, 14, a pressing plate, 15, a compression spring, 16, a male die, 17, an air inlet, 18, a second check valve, 19, an air vent, 20 and an electromagnetic throttle valve.

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. 1-5, the present invention provides a technical solution: a stamping die for processing automobile parts is disclosed, as shown in figure 1, figure 3 and figure 4, a piston cylinder 2 is arranged on the lower side inside a base 1, a piston plate 3 is connected inside the piston cylinder 2 in a sliding manner, air inlets 17 are formed in the upper side and the lower side of the right side of the base 1, a second one-way valve 18 is arranged inside the air inlets 17, the flow direction of air in the piston cylinder 2 is controlled, air in the piston cylinder 2 is prevented from being discharged through the air inlets 17, the sliding distance of the piston plate 3 in the piston cylinder 2 is equal to the distance between the lowest end of a male die 16 and the lowest end of a female die groove 9, when the male die 16 is embedded into the female die groove 9, the piston plate 3 slides to the lowest side of the piston cylinder 2, an air storage cavity 4 is formed in the upper side inside the base 1, the lower side of the air storage cavity 4 is communicated with the top of the piston cylinder 2 and the left side of the air storage cavity 4 and the bottom of the piston cylinder 2 through connecting pipes 5, and a first one-way valve 6 is arranged inside the connecting pipe 5, lower bolster 7 sets up in base 1 top, and the transfer air cavity 8 that is linked together with gas storage cavity 4 is seted up to the inside downside of lower bolster 7, transfer air cavity 8 lower extreme and 4 upper end sealing connection in gas storage cavity, and transfer air cavity 8 and 4 intercommunication departments in gas storage cavity install electromagnetic throttle valve 20, compressed air is to flow velocity in transfer air cavity 8 in the steerable gas storage cavity 4 through electromagnetic throttle valve 20, die cavity 9 has been seted up to lower bolster 7 upside, and install lower bolster 10 between 7 bottoms of lower bolster and the 1 top of base, die cavity 9 bottom is linked together through air vent 19 and transfer air cavity 8, and air vent 19 is seted up inside lower bolster 7 according to processing technology, compressed air in the transfer air cavity 8 gets into die cavity 9 through air vent 19, be convenient for utilize the work piece of inlaying in the ejecting die cavity 9 of air pressure.

As shown in fig. 1, 2 and 5, the upper die plate 11 is disposed above the lower die plate 7, connecting columns 12 are fixedly mounted at four corners of the bottom of the upper die plate 11, the lower ends of the connecting columns 12 penetrate through the base 1 and are fixedly connected with the top of the piston plate 3, an upper backing plate 13 is fixedly mounted on the lower surface of the upper die plate 11, a pressing plate 14 is disposed below the upper backing plate 13, four corners of the top of the pressing plate 14 are fixedly connected with the bottom of the upper die plate 11 through compression springs 15, a male die 16 is fixedly mounted at the lower side of the upper die plate 11 and penetrates through the upper backing plate 13 and the center of the pressing plate 14, the lowest end of the male die 16 and the lowest end of the pressing plate 14 are located on the same horizontal plane, the distance between the highest end of the pressing plate 14 and the upper backing plate 13 is equal to the height of the cavity 9, and when the male die 16 is embedded into the cavity 9, the pressing plate 14 is in contact with the upper backing plate 13, so that the upper backing plate 13 can support the pressing plate 14.

The working principle is as follows: when the stamping die for processing the automobile parts is used, firstly, raw materials are placed on the upper surface of a lower die plate 7, an external power supply is connected, a driving device is started, the driving device pushes an upper die plate 11 to move downwards, the upper die plate 11 pushes a piston plate 3 to move downwards along a piston cylinder 2 through a connecting column 12, the piston plate 3 extrudes air on the lower side of the piston cylinder 2 to enter an air storage cavity 4 through a connecting pipe 5, external air enters the upper side of the piston cylinder 2 through an air inlet 17 on the upper side under the action of negative pressure, the air pressure in the air storage cavity 4 is increased along with the gradual downward movement of the piston plate 3, a pressure plate 14 contacts the lower die plate 7 firstly, the pressure plate 14 is matched with the lower die plate 7 to compress the raw materials, then a compression spring 15 contracts, a male die 16 continuously moves downwards until the male die 16 extrudes the raw materials, the male die 16 is matched with a female die groove 9 to complete the stamping of the raw materials, when the pressure plate 14 collides with the lower die plate 7, high-pressure air absorbs the impact force when colliding, and pushes the upper die plate 11 to ascend reversely, the structure is matched with the lower backing plate 10 and the upper backing plate 13 to further reduce the damage of rigid collision to the stamping die, the service life of the stamping die is greatly prolonged, the driving device pushes the upper backing plate 11 to move reversely, the male die 16 is separated from the fit with the female die groove 9, meanwhile, the piston plate 3 rises, similarly, outside air enters the lower side of the piston cylinder 2 through an air inlet 17 at the lower side, air at the upper side of the piston cylinder 2 enters the air storage cavity 4 through another connecting pipe 5, the two first check valves 6 and the two second check valves 18 are matched to play a role in limiting the air flow direction, the electromagnetic throttle valve 20 is started, high-pressure air in the air storage cavity 4 flows into the transit air cavity 8, then the high-pressure air in the transit air cavity 8 enters the bottom of the female die groove 9 through the vent holes 19, and the high-pressure air extrudes a workpiece in the female die groove 9 and pushes the workpiece to be separated from the female die groove 9, the separation is completed by air pressure, so that the stress of the workpiece is more uniform when the workpiece is demolded, the probability of damage of the workpiece when the workpiece is demolded is reduced, meanwhile, the high-pressure air can blow away dust adhered in the female die groove 9 after the demolding is completed, the use is more convenient, and all the work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a stamping die for auto parts machining, includes base (1), lower bolster (7) and cope match-plate pattern (11), its characterized in that:

the gas storage device comprises a base (1), a piston cylinder (2) is arranged on the lower side inside the base (1), a piston plate (3) is connected inside the piston cylinder (2) in a sliding mode, a gas storage cavity (4) is arranged on the upper side inside the base (1), the lower side of the gas storage cavity (4) is communicated with the top of the piston cylinder (2) and the left side of the gas storage cavity (4) is communicated with the bottom of the piston cylinder (2) through connecting pipes (5), and meanwhile a first check valve (6) is arranged inside the connecting pipes (5);

the lower die plate (7) is arranged above the base (1), a transfer air cavity (8) communicated with the air storage cavity (4) is formed in the lower side of the interior of the lower die plate (7), a die cavity (9) is formed in the upper side of the lower die plate (7), and a lower backing plate (10) is arranged between the bottom of the lower die plate (7) and the top of the base (1);

cope match-plate pattern (11), cope match-plate pattern (11) set up in cope match-plate pattern (7) top, and cope match-plate pattern (11) bottom four corners fixed mounting have spliced pole (12), spliced pole (12) lower extreme run through base (1) simultaneously and with piston plate (3) top fixed connection, fixed surface installs upper padding plate (13) under cope match-plate pattern (11), and upper padding plate (13) below is provided with clamp plate (14), compression spring (15) and cope match-plate pattern (11) bottom fixed connection are passed through in clamp plate (14) top four corners, cope match-plate pattern (11) downside fixed mounting has terrace die (16), and terrace die (16) run through upper padding plate (13) and clamp plate (14) center.

2. The automotive parts processing stamping die of claim 1, wherein: air inlet holes (17) are formed in the upper side and the lower side of the right side of the base (1), and second one-way valves (18) are installed inside the air inlet holes (17).

3. The automotive parts processing stamping die of claim 1, wherein: the sliding distance of the piston plate (3) in the piston cylinder (2) is equal to the distance between the lowest end of the male die (16) and the lowest end of the female die groove (9).

4. The automotive parts processing stamping die of claim 1, wherein: the lower end of the transfer air cavity (8) is hermetically connected with the upper end of the air storage cavity (4), and an electromagnetic throttle valve (20) is arranged at the communication position of the transfer air cavity (8) and the air storage cavity (4).

5. The automotive parts processing stamping die of claim 1, wherein: the bottom of the female die cavity (9) is communicated with the transfer air cavity (8) through a vent hole (19), and the vent hole (19) is formed in the lower die plate (7) according to a machining process.

6. The automotive parts processing stamping die of claim 1, wherein: the lowest end of the male die (16) and the lowest end of the pressure plate (14) are positioned on the same horizontal plane, and the distance between the uppermost end of the pressure plate (14) and the upper backing plate (13) is equal to the height dimension of the female die groove (9).