CN219561192U - Quick material taking device for flanging die and lower die base - Google Patents

Abstract

The utility model discloses a quick material taking device and a lower die holder for a flanging die, wherein the quick material taking device comprises a pre-pressing block, a material supporting block, a guide sleeve, a lifting cylinder and a spring; the guide sleeve is fixedly arranged on the lower die holder, the lifting cylinder is arranged in the guide sleeve in a sliding manner, the upper end of the lifting cylinder extends out of the guide sleeve to be fixedly connected with the supporting block, one side surface, close to the male die, of the supporting block is provided with a first sliding surface, the first sliding surface is in sliding connection with the male die sliding guide surface, and the male die sliding guide surface is arranged on the side surface of the male die; the spring is arranged in the lifting cylinder and used for enabling the lifting cylinder to move upwards together with the supporting material block when the die is opened, and the supporting material block upwards hangs the formed material sheet along the guide sliding surface of the male die; the pre-pressing block is fixedly arranged on the upper die holder and used for pressing the material supporting block and the lifting cylinder when the die is closed, so that the material supporting block and the lifting cylinder move downwards without interference with the upper die holder. The rapid material taking device can easily and rapidly take out the formed material sheets, and improves the working efficiency.

Description

Quick material taking device for flanging die and lower die base

Technical Field

The utility model relates to the technical field of automobile dies, in particular to a quick material taking device for a flanging die and a lower die holder.

Background

The cold stamping die for the automobile body is the die with the highest requirements and the highest processing and assembly difficulties in the manufacture of the automobile body, and comprises a plurality of materials such as blanking, pre-bending, drawing, trimming, punching, flanging, shaping and the like. Among them, a flanging die is widely used, which is used for flanging the edge of a plane portion or a curved portion of a blank along a certain curve.

As disclosed in chinese patent CN204220750U, a flanging die comprises an upper die holder and a lower die holder, wherein a female die is fixed on the upper die holder, a bump is arranged in the female die, the bump is connected with the upper die holder through a spring, a male die is fixed on the lower die holder, and a limiting block and a supporting plate are arranged on the male die; the supporting plate is connected with the lower die holder through a spring; the upper end face of the supporting plate is provided with a groove. When the flanging die is used, a worker places a material plate needing flanging in the groove, limits the material plate through the groove, then when the die holder drives the die to move downwards, the die and the lug are contacted with a material piece placed on the supporting plate, then the die and the supporting plate extrude the material piece and move downwards, the part of the material piece placed between the die and the lug begins to deform slowly, and the lug moves upwards until the flanging is completed; when the upper die holder moves upwards, the lug and the supporting plate return to the original positions respectively under the action of the springs, and the material supporting is completed.

When the flanging die is used, the molded material sheet after die assembly is fastened on the male die, and the material taking is difficult.

Disclosure of Invention

The utility model provides a quick material taking device and a lower die holder for a flanging die, which are used for solving the technical problem that the existing flanging die is difficult to take materials.

The technical scheme adopted by the utility model is as follows:

a quick extracting device for a flanging die comprises a pre-pressing block, a material supporting block, a guide sleeve, a lifting cylinder and a spring; the guide sleeve is fixedly arranged on the lower die holder, the lifting cylinder is arranged in the guide sleeve in a sliding manner, the upper end of the lifting cylinder extends out of the guide sleeve to be fixedly connected with the supporting block, one side surface, close to the male die, of the supporting block is provided with a first sliding surface, the first sliding surface is in sliding connection with the male die sliding guide surface, and the male die sliding guide surface is arranged on the side surface of the male die; the spring is arranged in the lifting cylinder and used for enabling the lifting cylinder to move upwards together with the supporting material block during die opening, so that the supporting material block upwards hangs the formed material sheet along the guide sliding surface of the male die; the pre-pressing block is fixedly arranged on the upper die holder and used for pressing the material supporting block and the lifting cylinder when the die is closed, so that the material supporting block and the lifting cylinder move downwards without interference with the upper die holder.

Further, the lifting cylinder lifting device further comprises a limiting block, wherein the limiting block is fixedly arranged on the lower die holder and used for limiting the lifting height of the lifting cylinder.

Further, the other side surface of the supporting block parallel to the first sliding surface is set to be a second sliding surface; the side surface of the lifting cylinder is provided with a right-angle notch penetrating through the upper end surface of the lifting cylinder, and the side surface of the right-angle notch is connected with the second sliding surface to form a third sliding surface; the side of stopper and third sliding surface sliding connection, the bottom surface part of stopper extends to the guide pin bushing top and contacts with the bottom surface of right angle breach.

Further, the spring is sleeved on a spring guide pin, the spring guide pin is fixed in the lower die holder, and the upper end of the spring guide pin is connected with the spring in a sliding manner.

Further, the spring is a rectangular spiral compression spring, and the shape of the spring guide pin is matched with the shape of the spring inner ring.

Further, a counter bore is formed in the upper side face of the lower die holder, the guide sleeve is fixedly arranged in the counter bore, the upper end of the spring abuts against the inner top face of the lifting cylinder, and the lower end of the spring abuts against the inner bottom face of the counter bore.

A lower die holder for a flanging die is provided with at least one of the rapid material taking devices.

The utility model has the beneficial effects that:

1. by arranging the quick material taking device, the formed material sheet can be easily and quickly taken out, and the working efficiency is improved.

2. The quick material taking device is small, exquisite, simple and convenient to install and maintain, and does not affect the structure and the function of the die body.

Drawings

Fig. 1 is a schematic perspective view of a quick-action take-off device of the present utility model.

Fig. 2 is a schematic view of the installation structure of the quick-action take-off device of the present utility model.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a schematic diagram of a punch structure with a formed web snapped onto the punch.

Fig. 5 is a schematic view of a partial cross-sectional structure of a lower die holder of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solution of the present utility model will be clearly and completely described with reference to the accompanying drawings and a preferred embodiment.

Example 1

Referring to fig. 4-5, the present embodiment provides a lower die holder for a flanging die, which includes a lower die holder body 1 and a punch 6 disposed on the lower die holder body 1, wherein at least one punch guide sliding surface 61 is disposed on a side surface of the punch 6, at least one mounting hole 101 is disposed on an upper side surface of the lower die holder body 1, and the mounting holes 101 are disposed in one-to-one correspondence with the punch guide sliding surfaces 61. The quick take-off device 10 is mounted in the mounting hole 101. The number of the mounting holes 101 is selected according to the size of the web, and one mounting hole is required when the web is small, and a plurality of mounting holes are required when the web is large.

Example 2

Referring to fig. 1-4, the present embodiment provides a quick material taking device 10, which includes a material supporting block 3, a guide sleeve 4, a pre-pressing block 5, a guiding sliding surface 6, a lifting cylinder 7, a spring 8 and a spring guiding pin 9.

The mounting hole 101 is a circular step counter bore, a threaded hole is formed in the center of the bottom surface of the circular step counter bore, the guide sleeve 4 is embedded in the large hole of the circular step counter bore, and the bottom surface of the guide sleeve abuts against the step surface. The spring guide pin 9 is arranged in the threaded hole through a screw, the spring 8 is sleeved on the spring guide pin 9 in a sliding manner, the lifting cylinder 7 is sleeved in the guide sleeve 4 in a sliding manner, and the lower end of the lifting cylinder extends into a small hole of the circular step counter bore and is not in contact with the side wall of the small hole; the upper end of which extends out of the guide sleeve and is fixedly connected with the supporting block 3. The lower end of the lifting cylinder 7 extends out of the guide sleeve 4, so that the friction area between the lifting cylinder and the guide sleeve can be reduced, and the abrasion is reduced; and a larger installation space for the spring can be provided.

A rectangular cavity is arranged in the lifting cylinder 7, a spring 8 and a spring guide pin 9 are accommodated in the rectangular cavity, the upper end of the spring abuts against the top surface of the rectangular cavity, and the lower end of the spring abuts against the inner bottom surface of a small hole of the round step counter bore. Preferably, the spring 8 is a rectangular helical compression spring, providing a larger and stable spring force for the lifting cylinder.

One side surface of the supporting material block 3 close to the male die is a first sliding surface, and the first sliding surface is in sliding connection with the male die guiding and sliding surface 61.

The pre-pressing block 5 is fixedly arranged on the lower side surface of the upper die holder and is opposite to the supporting block 3.

The working principle of the utility model is as follows:

when the upper die holder and the lower die holder are closed, the pre-pressing block 5 props against the material supporting block 3 to enable the lifting cylinder 7 to move downwards, and the spring 8 is compressed;

when the die is opened, the pre-pressing block 5 is separated from the supporting material block 3, the lifting cylinder 7 drives the supporting material block 3 to move upwards under the action of spring force, and the supporting material block 3 upwards hangs the formed material sheet 100 fastened on the male die 6 along the male die sliding guide surface 61.

In order to limit the lifting height of the lifting cylinder 7 and improve the working efficiency, the quick material taking device 10 further comprises a limiting block 2, and one side surface of the limiting block 2, which is close to the material supporting block 3, is provided with a fourth sliding surface. The other side surface of the supporting block 3 parallel to the first sliding surface is set as a second sliding surface; the side of the lifting cylinder 7 is provided with a right-angle notch 71 penetrating through the upper end surface of the lifting cylinder, and the side of the right-angle notch is coplanar with the second sliding surface and connected into a third sliding surface. The limiting block 2 is fixedly arranged on the outer side of the mounting hole 101 through a screw, the bottom surface of the limiting block extends to the upper side of the right-angle notch 71, and the fourth sliding surface of the limiting block is in sliding connection with the third sliding surface.

When the lifting cylinder 7 is lifted, the third sliding surface slides upwards along the fourth sliding surface of the limiting block 2, and when the bottom surface of the right-angle notch 71 abuts against the bottom surface of the limiting block 2, the lifting cylinder 7 and the supporting block 3 stop moving, so that the lifting height of the lifting cylinder 7 is limited, and the movement stability of the lifting cylinder 7 is further ensured.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and remain within the scope of the utility model.

Claims (7)

1. The quick material taking device for the flanging die is characterized by comprising a pre-pressing block (5), a material supporting block (3), a guide sleeve (4), a lifting cylinder (7) and a spring (8);

the guide sleeve (4) is fixedly arranged on the lower die holder, the lifting cylinder (7) is arranged in the guide sleeve (4) in a sliding manner, the upper end of the lifting cylinder (7) extends out of the guide sleeve (4) to be fixedly connected with the supporting block (3), one side surface, close to the male die (6), of the supporting block (3) is set to be a first sliding surface, the first sliding surface is in sliding connection with the male die guide sliding surface (61), and the male die guide sliding surface (61) is arranged on the side surface of the male die (6); the spring (8) is arranged in the lifting cylinder (7) and is used for enabling the lifting cylinder (7) to move upwards together with the supporting material block (3) when the die is opened, so that the supporting material block (3) upwards hangs a material sheet along the male die sliding guide surface (61);

the pre-pressing block (5) is fixedly arranged on the upper die holder and used for pressing the material supporting block (3) and the lifting cylinder (7) when the die is closed, so that the material supporting block (3) and the lifting cylinder (7) do not interfere with the upper die holder in a downward movement.

2. The quick pick-up device according to claim 1, further comprising a stopper (2), the stopper (2) being fixedly mounted to the lower die holder for defining the elevation of the lifting cylinder (7).

3. A quick pick-up device according to claim 2, characterized in that the other side of the supporting block (3) parallel to the first sliding surface is provided as a second sliding surface; the side surface of the lifting cylinder (7) is provided with a right-angle notch (71) penetrating through the upper end surface of the lifting cylinder, and the side surface of the right-angle notch is connected with the second sliding surface to form a third sliding surface; the side face of the limiting block (2) is in sliding connection with the third sliding surface, and the bottom face part of the limiting block (2) extends to the upper part of the guide sleeve (4) and is in contact with the bottom face of the right-angle notch.

4. The quick pick-up device according to claim 1, characterized in that the spring (8) is sleeved on a spring guide pin (9), the spring guide pin (9) is fixed in the lower die holder, and the upper end of the spring guide pin is in sliding connection with the spring (8).

5. Quick pick-up device according to claim 4, characterized in that the spring (8) is a rectangular helical compression spring, the shape of the spring guide pin (9) being adapted to the shape of the inner ring of the spring.

6. The quick take-out device according to claim 4, wherein a counter bore (101) is formed in the upper side face of the lower die holder, the guide sleeve (4) is fixedly installed in the counter bore (101), the upper end of the spring (8) abuts against the inner top face of the lifting cylinder (7), and the lower end abuts against the inner bottom face of the counter bore (101).

7. A lower die holder for a flanging die, wherein the lower die holder is provided with at least one quick-extracting device as defined in any one of claims 1 to 6.