CN216705658U

CN216705658U - Many sliders negative angle shaping structure

Info

Publication number: CN216705658U
Application number: CN202120896518.3U
Authority: CN
Inventors: 陈荣
Original assignee: Changshu Xiangxin Auto Parts Co Ltd
Current assignee: Changshu Xiangxin Auto Parts Co Ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-06-10
Anticipated expiration: 2031-04-28

Abstract

A multi-slider negative angle forming structure comprises an upper die and a lower die, wherein the upper die comprises an upper die base, a fixed block and upper die forming blocks, the fixed block is arranged below the upper die base, and the lower end of the fixed block is symmetrically provided with two upper die forming blocks; the lower mould includes the middle shaping piece of die holder, fixed plate, lower mould shaping slider, lower mould shaping piece, lower mould and lower backing plate, be provided with two side by side on the die holder the fixed plate, two between the fixed plate be equipped with on the die holder lower backing plate, the top of lower backing plate is equipped with lower mould shaping piece, lower mould shaping piece with install in all be equipped with first elasticity ejector pin between two nitrogen spring on the die holder. The utility model uses the matching of the upper die forming block, the lower die middle forming block and the two lower die forming slide blocks to complete the forming operation with multiple negative angles at one time, and has the advantages of low die cost, simple process and high production efficiency.

Description

Many sliders negative angle shaping structure

Technical Field

The utility model relates to a bending die, in particular to a multi-slider negative angle forming structure.

Background

In the prior art, the multi-negative-angle forming process of the product needs to use the tapered wedge and the sliding block twice to complete forming operation, so that the cost of the die is high, the process is complex, and the production efficiency is low.

Accordingly, the prior art is subject to improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the multi-slider negative angle forming structure which is low in die cost, simple in process and high in production efficiency.

The utility model achieves the above purpose by the following technical means:

a multi-slider negative angle forming structure comprises an upper die and a lower die, wherein the upper die comprises an upper die base, a fixed block and upper die forming blocks, the fixed block is arranged below the upper die base, and the lower end of the fixed block is symmetrically provided with two upper die forming blocks; the lower die comprises a lower die base, a fixing plate, a lower die forming slide block, a lower die forming block, a lower die middle forming block and a lower die base plate, the lower die base is provided with two fixing plates in parallel, the lower die base plate is arranged on the lower die base between the two fixing plates, the lower die forming block is arranged above the lower die base plate, first elastic ejector rods are arranged between the lower die forming block and two first nitrogen springs arranged on the lower die base, the two sides of the lower die forming block are matched with the lower die forming sliding blocks, the two lower die forming sliding blocks are obliquely and slidably mounted on the inner inclined surfaces of the corresponding fixing plates, second elastic ejector rods are arranged between the two lower die forming sliding blocks and two second nitrogen springs mounted on the lower die base, and limiting screws used for limiting the lower die forming sliding blocks are arranged on the two fixing plates; the upper side of the lower die forming block is also provided with the lower die middle forming block, and a third nitrogen spring is arranged between the lower die middle forming block and the lower die base plate.

The utility model has the beneficial effects that:

by adopting the structural design, the upper die forming block, the lower die forming block, the middle forming block of the lower die and the two lower die forming slide blocks are matched, so that the multi-negative-angle forming operation is completed at one time, the die cost is low, the process is simple, and the production efficiency is high.

Drawings

FIG. 1 is a schematic structural diagram of the utility model in the mold-open state;

FIG. 2 is a first schematic structural diagram of the utility model in a mold closing state;

FIG. 3 is a second schematic structural diagram of the present invention in a mold clamping state.

The reference numbers in the figures are respectively: (1) the device comprises an upper die base, (2) a fixed block, (3) (4) an upper die forming block, (5) a lower die base, (6) (7) a fixed plate, (8) (9) a lower die forming slide block, (10) a lower die forming block, (11) a lower die middle forming block, (12) a lower die backing plate, (13) (14) a first nitrogen spring, (15) (16) a first elastic ejector rod, (17) (18) a second nitrogen spring, (19) (20) a second elastic ejector rod, (21) (22) a limiting screw, and (23) a third nitrogen spring.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings:

referring to fig. 1, the multi-slider negative angle forming structure of the present invention comprises an upper die and a lower die, wherein the upper die comprises an upper die base 1, a fixed block 2, an upper die forming block 3 and an upper die forming block 4, the fixed block 2 is arranged below the upper die base 1, and the upper die forming block 3 and the upper die forming block 4 are symmetrically arranged at the lower end of the fixed block 2; the lower die comprises a lower die base 5, a fixing plate 6, a fixing plate 7, a lower die forming slider 8, a lower die forming slider 9, a lower die forming block 10, a lower die middle forming block 11 and a lower die base plate 12, wherein the two

fixing plates

6 and 7 are arranged on the lower die base 5 side by side, the lower die base plate 12 is arranged on the lower die base 5 between the two

fixing plates

6 and 7, the lower die forming block 10 is arranged above the lower die base plate 12, a first elastic ejector rod 15 and a first elastic ejector rod 16 are respectively arranged between the lower die forming block 10 and a first nitrogen spring 13 and a first nitrogen spring 14 which are arranged on the lower die base 5, the lower die forming slider 8 and the upper die forming slider 9 are respectively matched on two sides of the lower die forming block 10, the lower die forming slider 8 is obliquely and slidably arranged on an inward inclined plane of the fixing plate 6, a lower die forming sliding block 9 is obliquely and slidably mounted on an inner inclined surface of the fixing plate 7, a second elastic ejector rod 19 is arranged between the lower die forming sliding block 8 and a second nitrogen spring 17 mounted on the lower die base 5, a second nitrogen ejector rod 20 is arranged between the lower die forming sliding block 9 and a second nitrogen spring 18 mounted on the lower die base 5, a limiting screw 21 used for limiting the lower die forming sliding block 8 is arranged on the fixing plate 6, and a limiting screw 22 used for limiting the lower die forming sliding block 9 is arranged on the fixing plate 7; the upper side of the lower die forming block 10 is also provided with a lower die middle forming block 11, and a third nitrogen spring 23 is arranged between the lower die middle forming block 11 and the lower die base plate 12.

When the forming die works, referring to fig. 1-3, in a die opening state, a product sheet is placed on the two lower die forming slide blocks and is in a horizontal state, the upper die descends, and the fixed block and the two upper die forming blocks are contacted with the product sheet and matched with the lower die forming blocks to carry out first negative angle forming on the product sheet; and the upper die continues to descend, the lower die forming sliding block moves downwards along the fixing plate in an inclined mode under the action of the lower die forming block, and the product material sheet completes secondary negative angle forming under the action of the lower die forming sliding block and the upper die forming block.

In conclusion, the utility model solves the defects in the prior art through the structural design and has the characteristics of reasonable design, low cost, high efficiency and the like.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a many sliders negative angle shaping structure, includes mould and lower mould, its characterized in that: the upper die comprises an upper die base, a fixed block and upper die forming blocks, the fixed block is arranged below the upper die base, and the two upper die forming blocks are symmetrically arranged at the lower end of the fixed block; the lower die comprises a lower die base, a fixing plate, a lower die forming slide block, a lower die forming block, a lower die middle forming block and a lower die base plate, the lower die base is provided with two fixing plates in parallel, the lower die base plate is arranged on the lower die base between the two fixing plates, the lower die forming block is arranged above the lower die base plate, first elastic ejector rods are arranged between the lower die forming block and two first nitrogen springs arranged on the lower die base, the two sides of the lower die forming block are matched with the lower die forming sliding blocks, the two lower die forming sliding blocks are obliquely and slidably mounted on the inner inclined surfaces of the corresponding fixing plates, second elastic ejector rods are arranged between the two lower die forming sliding blocks and two second nitrogen springs mounted on the lower die base, and limiting screws used for limiting the lower die forming sliding blocks are arranged on the two fixing plates; the upper side of the lower die forming block is also provided with the lower die middle forming block, and a third nitrogen spring is arranged between the lower die middle forming block and the lower die base plate.