CN218982840U

CN218982840U - Integrated blanking die for upper hinge reinforcing plate of left-right sliding door

Info

Publication number: CN218982840U
Application number: CN202223412944.9U
Authority: CN
Inventors: 明倩; 侯伟涛; 王蕾; 黄平
Original assignee: Zhengzhou Xinchang Automobile Parts Co ltd
Current assignee: Zhengzhou Xinchang Automobile Parts Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-09
Anticipated expiration: 2032-12-20

Abstract

The upper die base can downwards press the material supporting plate to downwards slide when the steel plate is punched by die assembly, and meanwhile, the upper material pressing block can upwards slide in the sliding cavity to provide bidirectional shock for punching the plate, so that the impact force of punching is greatly reduced, the problem of microcracks on the surface of a small plate is not easy to occur, and the reject ratio of products is reduced; meanwhile, in the process that the upper die knife and the lower die knife punch out small plates on the plates, the lower discharging bolts extend out of the lower sliding holes to push up the frame of the plates, the frame of the plates is prevented from being pressed on the lower die holder, and the problem of difficult taking can be avoided.

Description

Integrated blanking die for upper hinge reinforcing plate of left-right sliding door

Technical Field

The utility model relates to the field of dies, in particular to an integrated blanking die for an upper hinge reinforcing plate of a left sliding door and a right sliding door.

Background

In the prior art, a sheet type structure is adopted for a hinge reinforcing plate on a sliding door in a sliding door inner plate welding assembly of a vehicle, a material thickness of 1.2mm is generally adopted, a steel plate is adopted as a material, the steel plate is welded with the sliding door inner plate to form a whole with the sliding door inner plate, and the local thickness of the position of a hinge mounting point on the sliding door inner plate is increased, so that the rigidity of the mounting point of the hinge assembly on the sliding door is enhanced. The upper hinge reinforcing plates of the left sliding door and the right sliding door are all formed by punching through a die, a plurality of small plates with the size close to that of the upper hinge reinforcing plates are punched on a steel plate in the first working procedure of punching, and as the thickness of the plates is relatively thin, the impact force of the material pressing plate is easy to cause microcrack on the surfaces of the small plates during punching, so that the reject ratio of products is relatively high; because the quality of panel is lighter and thinner, consequently the blanking of pressure flitch is accomplished and is taken the panel easily, can cause the panel to fall to hinder after dropping to the panel frame after the blanking is compressed tightly on the die holder easily, appears getting the difficult problem of piece, consequently need improve above-mentioned problem.

Disclosure of Invention

In order to solve the problems, the utility model provides an integrated blanking die for an upper hinge reinforcing plate of a left sliding door and a right sliding door.

The technical scheme of the utility model is as follows: the integrated blanking die comprises an upper die holder and a lower die holder, wherein an L-shaped die cavity is formed in the middle of the surface of the lower die holder, a circle of lower die cutters are fixedly connected to the edge of the L-shaped die cavity, springs for providing elastic support are arranged at the two ends of the lower die holder and around the L-shaped die cavity, a lower material supporting plate is fixedly connected to the upper end of each spring, and an L-shaped hole which can be matched and sleeved outside the lower die cutters and form a sliding pair is formed in the middle of the lower material supporting plate; the two ends of the lower die holder are also provided with a lower discharging bolt and a lower sliding guide post, the two ends of the lower material supporting plate are respectively provided with an upper sliding hole corresponding to the positions of the lower discharging bolt and the lower sliding guide post, and the four corners of the lower material supporting plate are provided with balance blocks; the middle part of upper die base is equipped with the sliding chamber, and sliding mounting has last swage piece in this sliding chamber, is equipped with the slider between last swage piece and the sliding chamber, evenly is equipped with a plurality of spring between the bottom surface of sliding chamber and the last swage piece, and the border fixedly connected with round in sliding chamber goes up the die knife that corresponds with lower die knife position to go up the unloading bolt of a plurality of to be equipped with on the bottom surface of sliding chamber to go up the slip guide pillar, upward be equipped with on the swage piece respectively with go up the unloading bolt, go up the last slide hole that the slip guide pillar corresponds, the tip of upper die base is equipped with the top briquetting that corresponds with the balancing piece.

Preferably, the middle part of the upper pressing block is provided with an exhaust hole for exhausting gas formed during die assembly, and the bottom surface of the sliding cavity is provided with an exhaust hole.

Preferably, a positioning column supporting plate is arranged at the outer side edge of the lower material supporting plate, and a positioning column is arranged at the outer end of the positioning column supporting plate.

Preferably, round upper cushion blocks are arranged at four corners of the upper die holder, and lower cushion blocks corresponding to the upper cushion blocks are arranged at four corners of the lower die holder.

Preferably, the middle of the two end parts of the upper die base is provided with a shock absorbing component for absorbing vibration force.

Preferably, two die clamping guide posts are symmetrically arranged at two end parts of the upper die base, and die clamping guide sleeves corresponding to the die clamping guide posts are correspondingly arranged at two end parts of the upper die base.

Preferably, cast-in hooks are arranged on the side surfaces of the two end parts of the upper die holder and the lower die holder.

The beneficial technical effects of the utility model are as follows:

(1) The lower die knife of the blanking die is sleeved with the lower material supporting plate, a plurality of springs are supported between the lower material supporting plate and the lower die holder, meanwhile, a sliding cavity is formed in the middle of the upper die holder, an upper material pressing block is connected in the sliding cavity in a sliding mode, and springs are also arranged between the upper material pressing block and the bottom surface of the sliding cavity, so that when a steel plate is subjected to die assembly and blanking, the upper die holder can downwards press the material supporting plate to enable the material supporting plate to downwards slide, meanwhile, the upper material pressing block can upwards slide in the sliding cavity, bidirectional shock absorption is provided for blanking plates, impact force of blanking is greatly reduced, microcrack on the surface of a small plate is difficult to occur, and reject ratio of products is reduced.

(2) The upper die base sliding cavity of the blanking die is internally provided with the upper discharging bolt, the upper die knife and the lower die knife are used for punching out small plates on the plates, the upper discharging bolt can extend out from the upper sliding hole on the upper pressing plate to downwards push up the small plates, the situation that the small plates are taken up is avoided, the small plates are prevented from being broken by falling, meanwhile, the lower discharging bolt extends out from the lower sliding hole to upwards push up the frame of the plates, the frame of the plates is prevented from being pressed on the lower die base, and the problem that the taking of the small plates is difficult is avoided.

Drawings

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

FIG. 2 is a schematic perspective view of a lower die holder of the present utility model;

FIG. 3 is a schematic perspective view of the lower tray of FIG. 2 with the lower tray removed;

FIG. 4 is a schematic perspective view of a lower tray of the present utility model;

FIG. 5 is a schematic perspective view of an upper die holder of the present utility model;

FIG. 6 is a schematic perspective view of the upper punch block of FIG. 5, but with the upper punch block removed;

fig. 7 is a schematic perspective view of the upper presser of the utility model.

In the drawing, the upper die holder 01, the sliding cavity 11, the upper pressing block 121, the upper sliding hole 13, the upper die cutter 14, the upper unloading bolt 15, the upper sliding guide pillar 16, the top pressing block 17, the exhaust hole 18, the upper cushion block 19, the die clamping guide sleeve 02, the lower die holder 21, the L-shaped die cavity 22, the lower die cutter 23, the spring 24, the lower supporting plate 241, the L-shaped hole 25, the lower unloading bolt 26, the lower sliding guide pillar 27, the balance block 28, the lower cushion block 29, the die clamping guide pillar 30, the guide plate 31, the supporting plate 311, the positioning column 41, the shock absorbing component 51 and the cast-in lifting hook.

Detailed Description

Referring to fig. 1-7 of the specification, an integrated blanking die for an upper hinge reinforcing plate of a left sliding door and a right sliding door comprises an upper die holder 01 and a lower die holder 02, wherein an L-shaped die cavity 21 is arranged in the middle of the surface of the lower die holder 02, a circle of lower die cutters 22 are fixedly connected to the edge of the L-shaped die cavity 21, springs 23 are arranged at two ends of the lower die holder 02 and around the L-shaped die cavity 21, a lower blanking plate 24 is fixedly connected to the upper end of each spring 23, so that the lower blanking plate 24 can compress the springs 23 downwards under pressure, an L-shaped hole 241 which can be matched and sleeved outside the lower die cutters 22 is arranged in the middle of the lower blanking plate 24, and in the process of downwards sliding the lower blanking plate 24, the lower die cutters 22 upwards extend out of the L-shaped hole 241; the two ends of the lower die holder 02 are also provided with a lower discharging bolt 25 and a lower sliding guide post 26, the two ends of the lower material supporting plate 24 are provided with upper sliding holes 121 corresponding to the positions of the lower discharging bolt 25 and the lower sliding guide post 26 respectively, and the four corners of the lower material supporting plate 24 are provided with balance blocks 27, and the lower sliding guide post 26 provides sliding guide for the up-and-down movement of the lower material supporting plate 24; the upper edges of the two sides of the lower material supporting plate 24 are respectively provided with a material guiding plate 30, and the plate is supported on the material guiding plates 30 and enters the lower material supporting plate 24.

The middle part of the upper die holder 01 is provided with a sliding cavity 11, an upper pressing block 12 is slidably arranged in the sliding cavity 11, a plurality of springs 23 are uniformly arranged between the bottom surface of the sliding cavity 11 and the upper pressing block 12, the upper pressing block 12 is enabled to slide in the sliding cavity 11 and compress the springs 23 under pressure, a circle of die cutters 13 are fixedly connected to the edge of the sliding cavity 11, a plurality of upper discharging bolts 14 are uniformly arranged on the bottom surface of the sliding cavity 11, an upper sliding guide pillar 15 is arranged on the upper pressing block 12, upper sliding holes 121 respectively corresponding to the upper discharging bolts 14 and the upper sliding guide pillar 15 are formed in the upper pressing block 12, the upper sliding guide pillar 15 provides a guide for sliding of the upper pressing block 12, a pressing block 16 corresponding to the balance block 27 is arranged at the end part of the upper die holder 01, and the pressing block 16 is correspondingly pressed on the balance block 27 during die assembly, and the upper supporting plate can move downwards in a balance state.

The middle part of the upper pressing block 12 is provided with an exhaust hole 17, the bottom surface of the sliding cavity 11 is provided with the exhaust hole 17, and gas in the middle of the plate is discharged from the die through the exhaust hole 17 during die assembly and blanking. The outside border of lower support flitch is equipped with reference column 311 backup pad 31, and the outer end of this reference column 311 backup pad 31 is equipped with reference column 311, and when putting into panel blanking, this reference column 311 provides spacingly for the outer end of panel.

The four corners of upper die holder 01 all are equipped with upper cushion 18, and the four corners of die holder 02 is equipped with the lower cushion 28 that corresponds with upper cushion 18, and the centre of upper die holder 01 both ends all is equipped with shock-absorbing assembly 41, and shock-absorbing assembly 41 and cushion's combination can reduce the impact force that produces when upper and lower die holder 02 compound die.

Two die clamping guide posts 29 are symmetrically arranged at two end parts of the upper die holder 01, the die clamping guide sleeves 19 are correspondingly arranged at two end parts of the upper die holder 01, and the die clamping guide posts 29 correspondingly slide into the die clamping guide sleeves 19 during die clamping to provide guiding for die clamping and improve die clamping precision. The sides of the two end parts of the upper die holder 01 and the lower die holder 02 are respectively provided with a cast-in lifting hook 51.

The working process of the utility model is as follows: during die assembly blanking, a plate is pushed onto the lower supporting plate 24 from one side of the lower die holder 02, when the outer end of the plate contacts the positioning column 311, the plate is just in a blanking position, then the upper die holder 01 moves downwards to perform blanking, at the moment, the upper die holder 01 downwards presses the supporting plate 24 to enable the supporting plate to slide downwards, meanwhile, the upper pressing block 12 can slide upwards in the sliding cavity 11 to provide bidirectional cushioning for blanking the plate, the impact force of blanking is greatly reduced, the problem of microcrack on the surface of the small plate is not easy to occur, blanking is performed in an interval blanking mode, so that after the blanking of the upper hinge reinforcing plate on the left side is completed, a blanking area to be blanked is uniformly reserved on the plate, the plate can be turned over to perform blanking of the upper hinge reinforcing plate on the right side in the blanking area, and the blanking processing of the upper hinge reinforcing plate on the left side can be realized through one set of dies.

Claims

1. The utility model provides a left and right sliding door upper hinge reinforcing plate integral type blanking mould, includes upper die base and die holder, characterized by:

an L-shaped die cavity is formed in the middle of the surface of the lower die holder, a circle of lower die cutters are fixedly connected to the edge of the L-shaped die cavity, springs are arranged at the two ends of the lower die holder and around the L-shaped die cavity, a lower material supporting plate is fixedly connected to the upper end of each spring, and an L-shaped hole capable of being matched and sleeved on the outer side of the lower die cutters is formed in the middle of the lower material supporting plate; the two ends of the lower die holder are also provided with a lower discharging bolt and a lower sliding guide post, the two ends of the lower material supporting plate are respectively provided with an upper sliding hole corresponding to the positions of the lower discharging bolt and the lower sliding guide post, and the four corners of the lower material supporting plate are provided with balance blocks;

the middle part of upper die base is equipped with the sliding chamber, and this sliding chamber slidable mounting has last swager piece, evenly is equipped with a plurality of spring between the bottom surface of sliding chamber and the last swager piece, and the border fixedly connected with in sliding chamber goes up the die cutter, and the bottom surface of sliding chamber still evenly is equipped with a plurality of and goes up the discharge bolt to be equipped with the slip guide pillar, upward be equipped with on the swager piece respectively with go up the discharge bolt, go up the slip hole that the slip guide pillar corresponds, the tip of upper die base is equipped with the top briquetting that corresponds with the balancing piece.

2. The blanking die for integrally forming an upper hinge reinforcing plate of a left-right sliding door according to claim 1, wherein: the middle part of the upper pressing block is provided with an exhaust hole, and the bottom surface of the sliding cavity is provided with an exhaust hole.

3. The blanking die for integrally forming an upper hinge reinforcing plate of a left-right sliding door according to claim 1, wherein: the outside border of lower support flitch is equipped with the reference column backup pad, and the outer end of this reference column backup pad is equipped with the reference column.

4. The blanking die for integrally forming an upper hinge reinforcing plate of a left-right sliding door according to claim 1, wherein: the four corners of the upper die holder are respectively provided with an upper cushion block, and the four corners of the lower die holder are respectively provided with a lower cushion block corresponding to the upper cushion blocks.

5. The blanking die for integrally forming an upper hinge reinforcing plate of a left-right sliding door according to claim 1, wherein: shock absorbing components are arranged in the middle of the two end parts of the upper die base.

6. The blanking die for integrally forming an upper hinge reinforcing plate of a left-right sliding door according to claim 1, wherein: two die closing guide posts are symmetrically arranged at two end parts of the upper die base, and die closing guide sleeves are correspondingly arranged at two end parts of the upper die base.

7. The blanking die for integrally forming an upper hinge reinforcing plate of a left-right sliding door according to claim 1, wherein: cast-in hooks are arranged on the side surfaces of the two end parts of the upper die holder and the lower die holder.