CN221158236U - Drawing die for producing automobile panel - Google Patents

Abstract

The utility model provides a drawing die for producing automobile covering parts, which comprises a base, a male die seat, a female die seat corresponding to the male die seat and a stamping part for lifting and stamping the male die seat, wherein an air supply pump is arranged on the base, buffer parts are respectively arranged at four corners of the base, the output ends of the four buffer parts are respectively fixed with four corners of the bottom of the female die seat, positioning mechanisms for positioning the automobile covering parts are respectively arranged at four corners of the top of the female die seat, an air inlet groove communicated with an inner cavity of the female die seat is formed in one side of the female die seat, a plurality of air outlet holes are formed in the top of the female die seat, movable ejector pins are respectively arranged in the plurality of air outlet holes, the top sizes of the plurality of movable ejector pins are slightly larger than the aperture of the air outlet holes, the air supply pump is started to inflate the inner cavity of the female die seat, the plurality of movable ejector pins are subjected to air extrusion and move upwards to extrude the automobile covering parts, the automobile covering parts are separated from burrs at the edges of the automobile covering parts, the automobile covering parts are separated from the edges, and the working loads of workers are reduced.

Description

Drawing die for producing automobile panel

Technical Field

The utility model relates to the field of automobile part production and processing equipment, in particular to a drawing die for producing automobile panel.

Background

The drawing process is an important method for forming large complex curved surfaces, and particularly for parts with large complex curved surfaces such as automobile body panels, most of the parts need to be subjected to the drawing process to obtain the required shape. The drawing die comprises a male die, a female die and a blank holder, wherein during drawing, the blank holder firstly presses a plate, and then the male die or the female die moves to realize the stamping forming process. In order to enable the part to have a shape consistent with a design model after forming at present, the curved surfaces of the upper die and the lower die are consistent with the curved surface shape of the part, and therefore the shape of the part can be obtained by depending on the curved surface shape of the die after the die assembly is completed after stamping.

The punch is started to drive the male die to move downwards to punch the plate, after the punching is finished, burrs are generated at the edge of the punch when the male die rises upwards, the die can be easily adhered to the punched plate to a certain extent, at the moment, workers are required to manually demould the plate and the die, the workload of the workers is increased, and some dies can smear stretching oil on the surface of the plate to avoid adhesion of the die and the plate, so that the labor intensity is increased due to repeated drawing.

Therefore, there is a need to provide a new drawing die for producing automobile panels to solve the above technical problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a drawing die for producing an automobile panel.

The drawing die for producing the automobile covering part comprises a base, a male die seat, a female die seat corresponding to the male die seat and a stamping part for lifting and stamping the male die seat, wherein an air supply pump is arranged on the base, buffer parts are respectively arranged at four corners of the base, the output ends of the four buffer parts are respectively fixed with the four corners of the bottom of the female die seat, positioning mechanisms for positioning the automobile covering part are respectively arranged at the four corners of the top of the female die seat, an air inlet groove communicated with an inner cavity of the female die seat is formed in one side of the female die seat, the air inlet groove is communicated with the output end of the air supply pump, a plurality of air outlet holes are formed in the top of the female die seat, movable ejector pins are respectively arranged in the air outlet holes, and the top sizes of the movable ejector pins are slightly larger than the aperture of the air outlet holes.

Further, the movable ejector pins are circumferentially distributed at equal intervals to the top of the die seat, and the bottoms of the movable ejector pins are arc-shaped to form air storage grooves.

Further, the positioning mechanism comprises a fixed seat, a movable clamping plate and an elastic piece, wherein the fixed seat is fixed at the top of the die holder, two ends of the elastic piece are respectively fixedly connected with the fixed seat and the movable clamping plate, and the movable clamping plate is movably mounted at the top of the die holder.

Further, the buffer piece comprises a damping telescopic rod, the damping telescopic rod is fixedly arranged at the top of the base, and the output end of the damping telescopic rod is fixedly connected with the bottom of the die seat.

Further, the air supply pump comprises an air pump machine and an air pipe, the air pump machine is mounted at the top of the base, the output end of the air pump machine is connected with one end of the air pipe, and one end, away from the air pump machine, of the air pipe is communicated with the inner cavity of the air inlet groove.

Further, the elastic piece comprises a pressure spring, and two ends of the pressure spring are fixedly connected with the fixed seat and the movable clamp plate respectively.

Further, a buffer silica gel pad is arranged on the opposite side of the male die seat and the female die seat.

Compared with the related art, the drawing die for producing the automobile panel has the following beneficial effects:

The die holder and the punch holder are matched for stamping forming, the air supply pump is started to inflate the cavity of the die holder, the movable ejector pins are subjected to air extrusion and move the extruded automobile panel upwards, burrs on the edges of the automobile panel are separated from the automobile panel, the demolding efficiency is improved to a certain extent, and the workload of workers is reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a drawing die for producing an automobile panel;

fig. 2 is a schematic cross-sectional structural view of a drawing die for producing an automobile panel according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure A shown in FIG. 2;

fig. 4 is a schematic structural diagram of a die holder and an air supply pump according to the present utility model.

Reference numerals in the drawings: 1. a base; 2. a convex die holder; 3. a female die holder; 4. stamping parts; 5. an air inlet groove; 6. an air outlet hole; 7. a movable thimble; 8. a fixing seat; 9. a movable clamping plate; 10. damping telescopic rod; 11. an air pump machine; 12. a gas pipe; 13. a pressure spring; 14. a gas storage tank; 15. buffer silica gel pad.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic diagram of an overall structure of a drawing die for producing an automobile panel according to the present utility model; fig. 2 is a schematic cross-sectional structural view of a drawing die for producing an automobile panel according to the present utility model; FIG. 3 is an enlarged schematic view of the structure A shown in FIG. 2; fig. 4 is a schematic structural diagram of a die holder and an air supply pump according to the present utility model.

In a specific implementation process, as shown in fig. 1-4, a drawing die for producing an automobile panel comprises a base 1, a convex die holder 2, a concave die holder 3 corresponding to the convex die holder 2 and a stamping part 4 for lifting and stamping the convex die holder 2, wherein an air supply pump is arranged on the base 1, buffer pieces are respectively arranged at four corners of the base 1, buffer silica gel pads 15 are respectively arranged at opposite sides of the convex die holder 2 and the concave die holder 3, output ends of the four buffer pieces are respectively fixed with four corners at the bottom of the concave die holder 3, positioning mechanisms for positioning the automobile panel are respectively arranged at four corners at the top of the concave die holder 3, an air inlet groove 5 communicated with an inner cavity of the concave die holder 3 is formed at one side of the concave die holder 3, the air inlet groove 5 is communicated with the output end of the air supply pump, a plurality of air outlet holes 6 are formed at the top of the concave die holder 3, movable ejector pins 7 are respectively arranged in the plurality of the air outlet holes 6, the top sizes of the movable ejector pins 7 are slightly larger than the caliber of the air outlet holes 6, the movable ejector pins 7 are distributed at equal intervals in the circumferential directions and at the top of the concave die holder 3, the bottoms of the movable ejector pins 7 are arc-shaped to form air storage grooves 14, and the air storage grooves 14 can better accept extrusion of gas.

The air supply pump comprises an air pump machine 11 and an air pipe 12, the air pump machine 11 is arranged at the top of the base 1, the output end of the air pump machine 11 is connected with one end of the air pipe 12, one end, far away from the air pump machine 11, of the air pipe 12 is communicated with the inner cavity of the air inlet groove 5, and the air pump machine 11 supplies air and enters the inner cavity of the die holder 3 through the air pipe 12.

The positioning mechanism comprises a fixed seat 8, a movable clamping plate 9 and an elastic piece, wherein the fixed seat 8 is fixed at the top of the die holder 3, two ends of the elastic piece are respectively fixedly connected with the fixed seat 8 and the movable clamping plate 9, the movable clamping plate 9 is movably mounted at the top of the die holder 3, the elastic piece comprises a pressure spring 13, two ends of the pressure spring 13 are respectively fixedly connected with the fixed seat 8 and the movable clamping plate 9, and the movable clamping plate 9 moves and resets through the elasticity of the pressure spring 13.

The buffer piece comprises a damping telescopic rod 10, the damping telescopic rod 10 is fixedly arranged at the top of the base 1, the output end of the damping telescopic rod 10 is fixedly connected with the bottom of the die holder 3, and the damping telescopic rod 10 buffers the stress of the die holder 3 when the punch holder 2 punches.

The working principle provided by the utility model is as follows: when the die is used, the automobile covering part is placed on the female die holder 3, the automobile covering part is positioned and supported by the movable clamping plate 9, the stamping part 4 drives the male die holder 2 to move downwards and extrude the automobile covering part, the female die holder 3 is matched with the male die holder 2 for stamping forming, the inner cavity of the female die holder 3 is inflated by starting the air supply pump, the movable ejector pins 7 are subjected to gas extrusion and move upwards to extrude the formed automobile covering part, the automobile covering part plate is separated from burrs at the edge of the automobile covering part plate, the demolding efficiency is improved to a certain extent, and the workload of workers is reduced.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a drawing die is used in automobile panel production, its characterized in that includes base (1), terrace die seat (2), and die holder (3) corresponding with terrace die seat (2) and be used for stamping workpiece (4) of area terrace die seat (2) lift punching press, install the air supply pump on base (1), the four corners of base (1) are equipped with the bolster respectively, and four the output of bolster respectively with the bottom four corners of die holder (3) are fixed, the top four corners of die holder (3) all is equipped with the positioning mechanism who is used for automobile panel location, air inlet (5) that are linked together rather than the inner chamber are seted up to one side of die holder (3), air inlet (5) with the output of air supply pump is linked together, a plurality of ventholes (6) have been seted up at the top of die seat (3), a plurality of all be equipped with movable thimble (7) in venthole (6), a plurality of the top size of movable thimble (7) is slightly greater than venthole (6).

2. The drawing die for producing automobile panel according to claim 1, wherein a plurality of movable ejector pins (7) are circumferentially equidistantly distributed on the top of the die holder (3), and the bottoms of the plurality of movable ejector pins (7) are arc-shaped to form air storage grooves (14).

3. The drawing die for producing the automobile panel according to claim 2, wherein the positioning mechanism comprises a fixed seat (8), a movable clamping plate (9) and an elastic piece, the fixed seat (8) is fixed at the top of the die holder (3), two ends of the elastic piece are respectively fixedly connected with the fixed seat (8) and the movable clamping plate (9), and the movable clamping plate (9) is movably mounted at the top of the die holder (3).

4. A drawing die for producing automobile panel parts according to claim 3, wherein the buffer member comprises a damping telescopic rod (10), the damping telescopic rod (10) is fixedly mounted on the top of the base (1), and the output end of the damping telescopic rod (10) is fixedly connected with the bottom of the die holder (3).

5. The drawing die for producing automobile panel according to claim 4, wherein the air supply pump comprises an air pump (11) and an air pipe (12), the air pump (11) is mounted at the top of the base (1), the output end of the air pump (11) is connected with one end of the air pipe (12), and one end of the air pipe (12) away from the air pump (11) is communicated with the inner cavity of the air inlet groove (5).

6. The drawing die for producing automobile panel according to claim 5, wherein the elastic member comprises a compression spring (13), and two ends of the compression spring (13) are fixedly connected with the fixing seat (8) and the movable clamping plate (9) respectively.

7. Drawing die for the production of automotive panels according to claim 6, characterized in that the male die holder (2) is provided with a cushion pad (15) on the opposite side to the female die holder (3).