CN209902053U

CN209902053U - Continuous stamping die with leveling process

Info

Publication number: CN209902053U
Application number: CN201822275122.8U
Authority: CN
Inventors: 谢晋斌
Original assignee: Shaoguan Chun Hui Beijing Great Automotive Components Co Ltd
Current assignee: Shaoguan Dejia Auto Parts Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-01-07
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a take continuous stamping die of flattening technology, including the die, be equipped with blanking die cavity, flattening die cavity and blanking die cavity on the die. The leveling die cavity is positioned in front of the blanking die cavity and is a plane bulge. This take continuous stamping die of flattening technology through the arch of flattening die cavity on the die, can carry out the flattening before the work piece blanking, has avoided the work piece because local bounce, warpage or unevenness that processes such as punching press caused effectively improve product quality. Compared with the leveling procedure carried out after blanking, the continuous stamping die of the leveling process can complete the leveling procedure in the stamping process, the subsequent leveling procedure of workpieces is omitted, the production flow is simplified, and the production cost is effectively reduced. The gear ring plate can be arranged for fine stamping, and the gear ring plate is provided with a bulge for leveling a workpiece, so that the flatness of the workpiece can be further ensured. This utility model is used for the stamping process field.

Description

Continuous stamping die with leveling process

Technical Field

The utility model relates to a stamping process field especially relates to a take continuous stamping die of flattening technology.

Background

In the braking system of the automobile, a brake pad is the most critical safety part, and the quality of the braking effect is the decisive role played by the brake pad. The brake pad is generally composed of a steel backing, an adhesive heat-insulating layer and a friction block. The back steel can play the role of positioning and uniformly transmitting pressure, and the friction block is generally adhered to the back steel. The quality of the brake pad is greatly influenced by the quality of the steel backing, the flatness of the brake pad is an important factor related to the quality of the brake pad, and the flatness is directly related to whether the steel backing can be normally used and the using effect of the steel backing. The more uneven the surface of the steel backing, the greater the braking noise and the poorer the braking effect. The guarantee of steel backing plane degree provides the powerful guarantee for the suppression of later stage brake block product, grinding and stably making an uproar falls.

At present, the steel back is mainly stamped by adopting a continuous stamping method, namely, a plurality of stamping processes in different stations are simultaneously completed in one-time stamping in a continuous die, and the steel back is gradually formed in the continuous die until the steel back is finally blanked. The steel backing is provided with the fabrication holes, the convex nails, the bevel edges and the forming bending, and the design of the continuous stamping die is deficient and perfect, so that the stamping part inevitably has local rebound, warping or unevenness, and the service performance of the steel backing is affected. In order to ensure the flatness of the steel backing, a leveling procedure is usually added after the continuous stamping. But undoubtedly, the production period is prolonged, the production cost is greatly improved, and the product competitiveness of enterprises is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a promote product quality, practical efficient takes continuous stamping die of flattening technology.

The utility model adopts the technical proposal that: the continuous stamping die with the leveling process comprises a female die, wherein a blanking die cavity, a leveling die cavity and a blanking die cavity are arranged on the female die, the leveling die cavity is located in front of the blanking die cavity, and the leveling die cavity is a plane bulge.

As the improvement of the scheme, the blanking die further comprises a gear ring plate, wherein a blanking gear ring, a leveling gear ring and a blanking gear ring are arranged on the gear ring plate, the blanking gear ring, the leveling gear ring and the blanking gear ring are respectively in one-to-one correspondence with the blanking die cavity, the leveling die cavity and the blanking die cavity, and the leveling gear ring is a plane protrusion.

As the improvement of the scheme, the blanking die cavity sequentially comprises a bevel edge pressing die cavity, a pilot hole die cavity and a punching die cavity, the leveling die cavity is positioned between the pilot hole die cavity and the punching die cavity, the blanking gear ring sequentially comprises a bevel edge pressing gear ring, a pilot hole gear ring and a punching gear ring, and the leveling gear ring is positioned between the pilot hole gear ring and the punching gear ring.

As an improvement of the scheme, a first groove is arranged on the female die, a female die insert is arranged in the first groove, and the blanking die cavity is positioned on the female die insert.

As an improvement of the scheme, a second groove is formed in the gear ring plate, a gear ring plate insert is installed in the second groove, and the bevel edge pressing gear ring is located on the female die insert.

As the improvement of the scheme, the side edge of the bevel edge pressing die cavity is provided with a bevel edge convex edge, and the side edges of the bevel edge pressing gear ring, the pilot hole gear ring, the punching gear ring, the leveling gear ring and the blanking gear ring are provided with bevel edge concave edges.

As the improvement of the scheme, the cavity of the pilot hole die is provided with a pilot groove, and the position of the pilot hole gear ring is provided with a pilot through hole.

As an improvement of the scheme, the punching die cavity is provided with a plurality of punching through holes, and the punching gear ring is provided with a plurality of punching counter bores.

As an improvement of the scheme, the blanking die cavity is provided with a blanking through hole, and the blanking gear ring is provided with blanking pressing teeth.

As the improvement of above-mentioned scheme, all be equipped with the oil groove on die and the ring gear board, all be equipped with the hole for hoist on the side of die and ring gear board.

The utility model has the advantages that: according to the continuous stamping die with the leveling process, the bulges of the die cavity are leveled on the female die, so that the workpiece can be leveled before being blanked, the workpiece is prevented from local rebound, warping or unevenness caused by stamping and other processes, the product quality is effectively improved, compared with the leveling process carried out after blanking, the leveling process is completed in the stamping process, the workpiece stamping blanking can meet the required flatness requirement, the subsequent leveling process of the workpiece can be omitted, the manpower and material resources for production are reduced, the production flow is simplified, and the production cost is effectively reduced; the gear ring plate can be arranged for fine stamping, and the gear ring plate is provided with a bulge for leveling a workpiece, so that the flatness of the workpiece can be further ensured.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic plan view of the female mold;

FIG. 2 is a plan view of the ring gear plate;

FIG. 3 is a schematic plan view of the female mold insert;

fig. 4 is a schematic plan view of the ring plate insert.

Detailed Description

Referring to fig. 1 to 4, the utility model relates to a take continuous stamping die of flattening technology, including the die. The female die is provided with a blanking die cavity, a leveling die cavity 31 and a blanking die cavity 51, and a corresponding male die is arranged opposite to the female die. The punch is typically some conventional punch member. Generally, a punching die cavity is provided with holes or cutter bits according to the requirements of a workpiece, and the punching die cavity is used for punching, stamping, partial cutting and other processes. The blanking die cavity 51 is generally configured as a cavity or a tool bit, and is used for performing the final step of blanking on the workpiece to separate the workpiece from the sheet material. The flattening die cavity 31 is positioned in front of the blanking die cavity 51, and the flattening die cavity 31 is a plane bulge, such as the shaded part in fig. 1, so that flattening before blanking is realized. The planar protrusions of the flattening die cavity 31 should have a shape range larger than that of the workpiece, and may be designed according to the actual size of the workpiece. The height of the plane bulge of the leveling die cavity 31 is generally controlled to be about 1.5mm, and the leveling effect is achieved while the process of other die cavities is not influenced.

When the continuous stamping die with the leveling process is fine stamping, a gear ring plate is generally arranged. Corresponding to the female die, the gear ring plate is provided with a blanking gear ring, a leveling gear ring 32 and a blanking gear ring 52. The blanking ring gear, the flattening ring gear 32, and the blanking ring gear 52 correspond to the blanking cavity, the flattening cavity 31, and the blanking cavity 51, respectively, and are in accordance with the positions and the order thereof. The flattening rim 32 is a flat protrusion, as shown in phantom in FIG. 2, that flattens the workpiece during the stamping process.

Generally, only the plane bulge is arranged on the female die to be used as the leveling procedure, and the plane bulge is also arranged on the gear ring plate to be used as the leveling procedure. In order to further improve the leveling effect, the female die and the gear ring plate can be provided with plane bulges for leveling. The flattening cavities 31 or flattening rings 32 are generally arranged after the most severe operations affecting the flatness of the sheet, and before the blanking operations.

As a preferred embodiment, oil grooves 62 are formed in both the die and the ring gear plate, and the oil grooves 62 can effectively relieve impact pressure of the press. The female die generally has a larger thickness, and the gear ring plate has a smaller thickness. In order to facilitate the disassembly and assembly, hoisting holes 63 are generally formed in the side surfaces of the female die and the gear ring plate. Generally, two hoisting holes 63 are arranged on the left side and the right side of the side surfaces of the female die and the gear ring plate respectively, and are provided with threads for installing long bolts.

In a preferred embodiment, the blanking die cavity comprises a beveling die cavity 11, a pilot hole die cavity 21 and a punching die cavity 41 in sequence, and is used for the punching operation of steel backing forming. And on the premise of ensuring that the punching die cavity 41 does not have great influence on the flatness of the steel backing, the leveling die cavity 31 is positioned between the pilot hole die cavity 21 and the punching die cavity 41. The cavities are generally arranged in a straight line in sequence, and as shown in fig. 1, the formed female die sequentially comprises a beveling cavity 11, a pilot hole cavity 21, a leveling cavity 31, a punching cavity 41 and a blanking cavity 51, and the distances between the cavities are equal. The side edge of the bevel-pressing die cavity 11 is provided with a bevel flange 111, and the bevel flange 111 is generally a hard bulge for punching a groove in the plate. The pilot hole die cavity 21 is provided with a pilot groove 211, and a pilot hole is punched in the plate by using a female die. The pilot hole can be convenient for the sheet material location, guarantees the position accuracy of punching press material. The leveling cavity 31 can level the plate, and uneven plate is caused by the beveling cavity 11. The punching die cavity 41 is provided with a plurality of punching through holes 411 for matching with the punching of the male die and effectively dropping the waste. The blanking die cavity 51 is provided with a blanking through hole 511, and after all the procedures of the steel backing stamping are completed, the workpiece falls from the blanking die cavity 51 and is separated from the plate. The blanking through hole 511 of the blanking die cavity 51 is generally workpiece-contoured and slightly larger than the workpiece.

And the blanking gear ring correspondingly comprises a bevel edge pressing gear ring 12, a pilot hole gear ring 22 and a punching gear ring 42 which are used for assisting the punch forming of the steel backing. On the premise of ensuring that the punching die cavity 41 does not have a great influence on the flatness of the steel backing, the leveling gear ring 32 is located between the pilot hole gear ring 22 and the punching gear ring 42. Generally, the gear rings in the gear ring plate are arranged in a straight line in sequence, as shown in fig. 2, and the formed female die sequentially comprises a bevel pressing gear ring 12, a pilot hole gear ring 22, a leveling gear ring 32, a punching gear ring 42 and a blanking gear ring 52, and the distances between the bevel pressing gear ring and the blanking gear ring are equal. The side edges of the bevel edge pressing gear ring 12, the pilot hole gear ring 22, the punching gear ring 42, the leveling gear ring 32 and the blanking gear ring 52 are all provided with bevel edge concave edges 65, and the shape trend of the concave edges is consistent with that of bevel edge convex edges 111 of the bevel edge pressing die cavity 11, so that the concave edges are used for avoiding bulges formed by the plate material in the bevel edge pressing die cavity 11. The pilot hole gear ring 22 is provided with a pilot through hole 221 for assisting in punching a pilot hole in the sheet material. The flattening ring gear 32 can flatten the sheet material, and uneven surface of the sheet material is caused for the beveling die cavity 11. The punching gear ring 42 is provided with a plurality of punching counter bores 421 for assisting punching of punching holes in the plate material to complete the processing of the hole grooves on the steel backing. The blanking gear ring 52 is provided with a blanking pressing tooth 521 for gripping the sheet material to punch the male die, so as to prevent the sheet material from moving in the blanking process, thereby improving the punching precision. The tearing of the plate is controlled in the blanking process of the common blanking, and the tearing of the plate can be restrained in the blanking process through the blanking pressing teeth 521, so that the workpiece is always kept as a whole before being separated from the plate. And the sheet is always in the plastic deformation process in the stamping process, so that fine stamping is realized. Accordingly, the blanking pressing teeth 521 are correspondingly positioned outside the blanking through hole 511 of the blanking die cavity 51 and are shaped like the edges of the workpiece. The blanking gear ring 52 is also provided with a slotted hole corresponding to the blanking through hole 511, so that the male die can conveniently perform blanking stamping.

In a preferred embodiment, the die is provided with a first groove, the die insert 61 is mounted in the first groove, and the blanking cavity 51 is positioned on the die insert 61. The die insert 61 can be stably inserted into the first groove and can be conveniently detached and replaced. Since the pressure and impact force applied to the female die at the blanking cavity 51 are relatively large, the blanking cavity 51 is easily damaged, thereby reducing the surface of the blanking cavity 51. In order to ensure the processing quality of the workpiece, a concave die insert 61 convenient to replace is arranged. And a second groove is formed in the gear ring plate, a gear ring plate insert 64 is installed in the second groove, and the bevel edge pressing gear ring 12 is positioned on the female die insert 61. The ring gear plate insert 64 can be stably inserted into the second groove and can be easily disassembled and replaced. Similarly, the pressure and the impact force on the bevel-pressing gear ring 12 of the gear ring plate are relatively large, and the bevel-pressing gear ring 12 is easily damaged, so that the bevel-pressing gear ring 12 is damaged, and the processing quality of the workpiece is affected. The ring gear plate insert 64 is convenient to replace, and maintenance and replacement of a vulnerable part of the ring gear plate can be facilitated.

In example 1, the male mold was provided with a leveling cavity 31, and a convex plane having a height of 1.5mm was provided in the leveling cavity 31. When the continuous stamping die with the leveling process is closed, the leveling die cavity 31 can support the plate, and provides a large supporting force for the plate in the stamping process, so that the concave and convex areas in the plate are stressed simultaneously. The internal stress of the plate is gradually destroyed in the leveling process, and the internal stress of the plate is gradually eliminated. After the continuous stamping die with the leveling process is opened, local parts cannot rebound, and a workpiece product with a good leveling effect is obtained.

In embodiment 2, the ring gear plate is provided with the flattening ring gear 32, and a convex plane having a height of 1.5mm is provided in the flattening ring gear 32. When the continuous stamping die with the leveling process is closed, the leveling gear ring 32 falls along with the male die and provides huge pressure to the plate in the stamping process, so that the concave and convex areas in the plate are stressed simultaneously. The internal stress of the plate is gradually destroyed in the leveling process, and the internal stress of the plate is gradually eliminated. After the continuous stamping die with the leveling process is opened, local parts cannot rebound, and a workpiece product with a good leveling effect is obtained.

In embodiment 3, the male mold is provided with a leveling cavity 31, the ring gear plate is provided with a leveling ring gear 32, and raised planes having a height of 1.5mm are provided in the leveling cavity 31 and the leveling ring gear 32. When the continuous stamping die with the leveling process is closed, the leveling gear ring 32 falls along with the male die and is matched with the leveling die cavity 31 in the female die, and a large acting force is provided for the plate in the stamping process, so that the concave and convex areas in the plate are stressed simultaneously. The internal stress of the plate is gradually destroyed in the leveling process, and the internal stress of the plate is gradually eliminated. After the continuous stamping die with the leveling process is opened, local parts cannot rebound, and a workpiece product with a good leveling effect is obtained.

Of course, the design creation is not limited to the above embodiments, and the combination of different features of the above embodiments can also achieve good effects. Those skilled in the art can make equivalent changes or substitutions without departing from the spirit of the present invention, and such equivalent changes or substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides a take continuous stamping die of flattening technology which characterized in that: the blanking die comprises a female die, wherein a blanking die cavity, a leveling die cavity (31) and a blanking die cavity (51) are arranged on the female die, the leveling die cavity (31) is positioned in front of the blanking die cavity (51), and the leveling die cavity (31) is a plane protrusion.

2. The continuous stamping die with flattening process as claimed in claim 1, wherein: still include the ring gear board, be equipped with blanking ring gear, flattening ring gear (32) and blanking ring gear (52) on the ring gear board, blanking ring gear, flattening ring gear (32) and blanking ring gear (52) respectively with blanking die cavity, flattening die cavity (31) and blanking die cavity (51) one-to-one, flattening ring gear (32) are the plane arch.

3. The continuous stamping die with flattening process as claimed in claim 2, wherein: the blanking die cavity is including pressing hypotenuse die cavity (11), leading pilot hole die cavity (21) and punching die cavity (41) in proper order, flattening die cavity (31) are located between pilot hole die cavity (21) and punching die cavity (41), the blanking ring gear is including pressing hypotenuse ring gear (12), leading pilot hole ring gear (22) and punching ring gear (42) in proper order, flattening ring gear (32) are located between pilot hole ring gear (22) and punching ring gear (42).

4. The continuous stamping die with flattening process as claimed in claim 3, wherein: the blanking die is characterized in that a first groove is formed in the female die, a female die insert (61) is installed in the first groove, and the blanking die cavity (51) is located on the female die insert (61).

5. The continuous stamping die with flattening process as claimed in claim 3, wherein: and a second groove is formed in the gear ring plate, a gear ring plate insert (64) is installed in the second groove, and the bevel edge pressing gear ring (12) is located on the female die insert (61).

6. The continuous press die with flattening process according to claim 4 or 5, characterized in that: the side edge of the pressing bevel edge die cavity (11) is provided with a bevel edge convex edge (111), and the side edges of the pressing bevel edge gear ring (12), the pilot hole gear ring (22), the punching gear ring (42), the leveling gear ring (32) and the blanking gear ring (52) are provided with bevel edge concave edges (65).

7. The continuous stamping die with flattening process as claimed in claim 6, wherein: the pilot hole die cavity (21) is provided with a pilot groove (211), and the pilot hole gear ring (22) is provided with a pilot through hole (221).

8. The continuous stamping die with flattening process as claimed in claim 7, wherein: the punching die cavity (41) is provided with a plurality of punching through holes (411), and the punching gear ring (42) is provided with a plurality of punching counter bores (421).

9. The continuous stamping die with flattening process as claimed in claim 8, wherein: the blanking die cavity (51) is provided with a blanking through hole (511), and the blanking gear ring (52) is provided with blanking pressing teeth (521).

10. The continuous stamping die with flattening process as claimed in claim 9, wherein: all be equipped with oil groove (62) on die and the ring gear board, all be equipped with hole for hoist (63) on the side of die and ring gear board.