CN211334786U

CN211334786U - Door handle panel forming die

Info

Publication number: CN211334786U
Application number: CN201922270497.XU
Authority: CN
Inventors: 杜苛
Original assignee: Hubei Hele Door Industry Co Ltd
Current assignee: Hubei Hele Door Industry Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-25
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a door handle panel forming die, which relates to the technical field of door handle panel forming, and comprises an upper die base, a forming punch, a fixed plate, a forming female die, a lower backing plate, a lower die base and a stripper plate for pressing four corners of a sheet material, wherein the fixed plate is fixed on the lower part of the upper die base, and the forming punch is fixed on the lower part of the fixed plate; the forming female die matched with the forming punch is arranged on a lower backing plate below the forming punch, and the lower backing plate is fixed on the lower die base; the stripper plate is arranged between the forming punch and the forming female die, the stripper plate is connected with the upper die base through equal-height screws, the periphery of the fixed plate is provided with through upper through holes, upper springs are arranged in the upper through holes, the tops of the upper springs are supported against the lower surface of the upper die base, the bottoms of the upper springs are supported against the upper surface of the stripper plate, via holes for the forming punch to penetrate through are formed in the stripper plate, the cross sections of the via holes are rectangles with arc pressing surfaces at two ends, and avoidance grooves are formed in the edges and corners of straight lines.

Description

Door handle panel forming die

Technical Field

The utility model relates to a door handle panel shaping technical field, more specifically the utility model relates to a door handle panel forming die that says so.

Background

At present, the molding structure of the door handle panel mold is a non-pressing mode, four corners of the door handle panel are wrinkled, and the product quality is unstable; the yields is low, simultaneously, because both ends are pressed the material deep-drawing, four corner mould parts wearing and tearing are big, lead to the shaping die to change often, lead to manufacturing cost to increase.

SUMMERY OF THE UTILITY MODEL

For there being not the pressure material mode in order to solve present door handle panel mould forming structure, four corners fold can appear in the door handle panel, the problem of defects such as windrow, the utility model provides a door handle panel forming die.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a door handle panel forming die comprises an upper die base, a forming punch, a fixing plate, a forming female die, a lower backing plate, a lower die base and a stripper plate for pressing four corners of a plate, wherein the fixing plate is fixed at the lower part of the upper die base, and the forming punch is fixed at the lower part of the fixing plate; the forming female die matched with the forming punch is arranged on a lower backing plate below the forming punch, and the lower backing plate is fixed on the lower die base; the stripper plate is arranged between the forming punch and the forming female die, the stripper plate is connected with the upper die base through equal-height screws, the penetrating upper through holes are formed in the periphery of the fixing plate, an upper spring is arranged in the upper through holes, the top of the upper spring supports against the lower surface of the upper die base, the bottom of the upper spring supports against the upper surface of the stripper plate, via holes for the forming punch to penetrate through are formed in the stripper plate, the cross section of each via hole is a rectangle with circular-arc pressure surfaces at two ends, and avoidance grooves are formed in the linear edges and corners of one side of the stripper plate facing the forming female die.

The utility model discloses novel structure, the practicality is strong, and memorability improves on current mould basis, has increased between shaping drift and shaping die and has taken off the flitch, and has taken off the flitch and done local pressure material mode, takes off the flitch and press the material power to concentrate on four angles of sheet material, and other straight flanges are milled out and are dodged the groove and step down. The structure leads the die to synchronously carry out the forming and the deep drawing of the stamping plate.

Furthermore, the cross section of the through hole and the cross section of the forming concave die are the same in shape and are arranged oppositely. The structure improves the product quality, and the straight edge molding and the two ends deep drawing are realized. The straight-edge forming has the advantage of small abrasion of the parts of the die without the press material.

Further, the avoiding groove is an arc-shaped chamfer.

Further, the shaping die include with shaping drift complex shaping groove and setting in shaping groove bottom and with shaping groove swing joint's lower mould liftout piece, set up the lower through-hole that runs through on the lower bolster, install down the spring in the through-hole down, the bottom of lower spring supports on the die holder, and the top of lower spring supports the lower part at lower mould liftout piece. The product after being formed is conveniently ejected out of the female die through the lower die ejector block, and the product forming is completed.

Furthermore, a positioning block for punching is arranged on the lower backing plate, a lower die ejector block extends from the top of the positioning block, and the lower die ejector block is connected with the positioning block in a sliding mode.

Furthermore, four insert blocks are respectively arranged between four vertex angles of the forming concave die, and the insert blocks are parallel and level to the upper surface of the forming concave die. Two ends are used for pressing and drawing, and four corner die parts are made into inserts with large abrasion, so that the inserts can be quickly replaced.

Compared with the prior art, the utility model beneficial effect who has is:

1. the utility model discloses novel structure, the practicality is strong. The existing die structure adopts a local material pressing mode, four corners of a product are fully molded, and the appearance is free of wrinkles. The structure improves the product quality, reduces the rejection rate and improves the market competitiveness. The door handle panel produced by the mould of the utility model has no 100 percent of wrinkles in appearance; and the utility model discloses a mould maintenance rate reduces 5%, and output promotes 10% simultaneously.

Drawings

Fig. 1 is an exploded view of a door handle panel forming mold of the present invention;

fig. 2 is a schematic structural view of a door handle panel forming mold of the present invention;

fig. 3 is a schematic structural view of a stripper plate of a door handle panel forming mold according to the present invention;

fig. 4 is a schematic structural diagram of an insert block on a forming die of a door handle panel forming die of the present invention.

The labels in the figure are: 1-an upper die base, 2-a forming punch, 3-a fixing plate, 4-a stripper plate, 5-a plate, 6-a forming female die, 7-a lower backing plate, 8-a lower die base, 9-a lower die ejector block, 10-an upper spring, 11-a guide pillar, 12-an equal-height screw, 13-an inner hexagonal screw, 14-a positioning block, 15-a lower spring, 16-a circular-arc pressing surface, 17-an avoiding groove and 18-an insert.

Detailed Description

The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1, a door handle panel forming die comprises an upper die holder 1, a forming punch 2, a fixing plate 3, a forming female die 6, a lower backing plate 7, a lower die holder 8 and a stripper plate 4 for pressing four corners of a sheet material 5, wherein the fixing plate 3 is fixed at the lower part of the upper die holder 1 and is specifically connected through an inner hexagon screw 13, and the forming punch 2 is fixed at the lower part of the fixing plate 3 and is specifically connected through an inner hexagon screw 13; the forming female die 6 matched with the forming punch 2 is arranged on a lower cushion plate 7 below the forming punch 2, and the lower cushion plate 7 is fixed on a lower die base 8 and is particularly connected through an inner hexagon screw 13; meanwhile, in order to ensure that the forming punch 2 can be accurately matched with the forming female die 6, 4 guide pillars 11 are arranged between the upper die holder 1 and the lower die holder 8 for guiding and matching.

As shown in fig. 2, the stripper plate 4 is disposed between the forming punch 2 and the forming die 6, the stripper plate 4 is connected to the upper die holder 1 through an equal-height screw 12, a through upper through hole is formed around the fixing plate 3, an upper spring 10 is disposed in the upper through hole, the top of the upper spring 10 abuts against the lower surface of the upper die holder 1, the bottom of the upper spring 10 abuts against the upper surface of the stripper plate 4, a through hole for the forming punch 2 to pass through is formed in the stripper plate 4, the cross section of the through hole is a rectangle with circular-arc pressing surfaces 16 at two ends, and a avoiding groove 17 is formed in a straight edge angle of one side of the stripper plate 4 facing the forming die 6, as shown in fig. 3.

The utility model discloses novel structure, the practicality is strong, and the memorability improves on current mould basis, has increased between shaping drift 2 and shaping die 6 and has taken off flitch 4, and has taken off flitch 4 and do local pressure material mode, takes off flitch 4 and press the material power to concentrate on four angles of sheet material 5, and other straight flange mills out and dodges groove 17 and step down. The structure leads the die to synchronously carry out the forming and the deep drawing of the stamping plate 5. When the die descends through the sliding block of the punch press, the stripper plate 4 contacts the sheet 5, four corners of the sheet 5 are pressed under the prepressing of the upper die spring, the punch press continues to descend, the forming punch 2 pulls the sheet 5 into the forming female die 6, the punch press is lifted back, and the lower die ejector block 9 ejects a product out of the female die to complete product forming.

In the present embodiment, the cross section of the through hole and the cross section of the forming die 6 have the same shape, and are arranged oppositely. The structure improves the product quality, and the straight edge molding and the two ends deep drawing are realized. The straight-edge forming has the advantage of small abrasion of the parts of the die without the press material.

Preferably, the avoiding groove 17 is an arc-shaped chamfer. Is convenient for molding.

In this embodiment, the shaping die 6 include with shaping drift 2 complex shaping groove and setting in shaping groove bottom and with shaping groove swing joint's lower mould liftout piece 9, in this embodiment, lower mould liftout piece 9 is exactly the bottom of shaping die 6, set up the lower through-hole that runs through on the lower bolster 7, install down spring 15 in the through-hole down, the bottom of lower spring 15 supports on the die holder 8, and the lower part at lower mould liftout piece 9 is supported at the top of lower spring 15. The product after being formed is conveniently ejected out of the female die through the lower die ejector block 9, and the product forming is completed.

In this embodiment, the lower backing plate 7 is provided with a positioning block 14 for punching, the top of the positioning block 14 extends out of the lower die ejector block 9, and the lower die ejector block 9 and the positioning block 14 are connected in a sliding manner.

As shown in fig. 4, in the present embodiment, four inserts 18 are respectively disposed between four corners of the forming die 6, and the inserts 18 are flush with the upper surface of the forming die 6. Two ends are used for pressing and drawing, and four corner die parts are made into an insert 18 due to large abrasion, so that the insert can be quickly replaced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A door handle panel forming die comprises an upper die base (1), a forming punch (2), a fixing plate (3), a forming female die (6), a lower base plate (7) and a lower die base (8), and is characterized by further comprising a stripper plate (4) used for pressing four corners of a plate (5), wherein the fixing plate (3) is fixed on the lower portion of the upper die base (1), and the forming punch (2) is fixed on the lower portion of the fixing plate (3); a forming female die (6) matched with the forming punch (2) is arranged on a lower backing plate (7) below the forming punch (2), and the lower backing plate (7) is fixed on a lower die holder (8); the stripper plate (4) is arranged between the forming punch (2) and the forming die (6), the stripper plate (4) is connected with the upper die base (1) through an equal-height screw (12), the periphery of the fixing plate (3) is provided with a through upper through hole, an upper spring (10) is arranged in the upper through hole, the top of the upper spring (10) is supported on the lower surface of the upper die base (1), the bottom of the upper spring (10) is supported on the upper surface of the stripper plate (4), the stripper plate (4) is provided with a through hole for the forming punch (2) to pass through, the cross section of the through hole is a rectangle with arc pressing surfaces (16) at two ends, and a avoiding groove (17) is formed in the straight-line edge angle of one side of the stripper plate (4) towards the forming die (6).

2. A door handle panel forming die according to claim 1, wherein the cross section of the through hole and the cross section of the forming concave die (6) are the same in shape and are arranged oppositely.

3. A door handle panel forming die according to claim 1 or 2, wherein the avoiding groove (17) is an arc-shaped chamfer.

4. The door handle panel forming die according to claim 1, wherein the forming female die (6) comprises a forming groove matched with the forming punch (2) and a lower die ejector block (9) arranged at the bottom of the forming groove and movably connected with the forming groove, a lower through hole is formed in the lower backing plate (7) and is penetrated through, a lower spring (15) is installed in the lower through hole, the bottom of the lower spring (15) abuts against the lower die base (8), and the top of the lower spring (15) abuts against the lower part of the lower die ejector block (9).

5. The door handle panel forming die according to claim 4, wherein the lower backing plate (7) is provided with a positioning block (14) for punching, the top of the positioning block (14) extends out of the lower die ejector block (9), and the lower die ejector block (9) is slidably connected with the positioning block (14).

6. The forming die for the door handle panel according to claim 1, wherein four inserts (18) are respectively arranged between four top corners of the forming concave die (6), and the inserts (18) are flush with the upper surface of the forming concave die (6).