CN211539220U

CN211539220U - Deflection mould structure capable of accurately controlling product symmetrical negative angle forming

Info

Publication number: CN211539220U
Application number: CN201922432764.9U
Authority: CN
Inventors: 李松林
Original assignee: Suzhou Hongyangyu Machinery Technology Co ltd
Current assignee: Suzhou Hongyangyu Machinery Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-22
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a deflection mould structure for accurately controlling the forming of a symmetrical negative angle of a product, which comprises a lower mould forming block for supporting and positioning a workpiece to be processed, a tool rest for symmetrically arranging two sides of the lower mould forming block, a stripper plate for elastically abutting the workpiece to be processed and arranged above the lower mould forming block, and a forming punch which is connected with an upper clamping plate and can deflect and adjust the angle and extend downwards to the two end parts of the workpiece to be processed; a groove body avoiding the forming punch is formed between the lower die forming block and the tool rest, and the opposite corners of the forming punch and the lower die forming block are arc-shaped surfaces. The utility model discloses an accurate control product symmetry negative angle fashioned angle.

Description

Deflection mould structure capable of accurately controlling product symmetrical negative angle forming

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to a fashioned beat mould structure of accurate control product symmetry negative angle.

Background

For the bending angle of a product in the existing die structure, the product is directly stamped and formed by adopting a right-angle punch or a punch with an arc angle, so that the bending angle cannot be flexibly adjusted, different die structures are required to be used for different bending angles, and the die cost is increased; due to the fact that after the die is replaced, the bending position of the product which cannot be accurately aligned and formed symmetrically is formed, and production deviation is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem and providing the fashioned beat mould structure of accurate control product symmetry negative angle to realize the fashioned angle of accurate control product symmetry negative angle. In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the deflection die structure for accurately controlling the symmetric negative angle forming of a product comprises a lower die forming block for supporting and positioning a workpiece to be machined, tool rests arranged on two sides of the lower die forming block symmetrically, a stripper plate arranged above the lower die forming block and elastically abutted against the workpiece to be machined, and a forming punch which is connected with an upper clamping plate and extends downwards to two end parts of the workpiece to be machined and can deflect and adjust the angle; a groove body avoiding the forming punch is formed between the lower die forming block and the tool rest, and the opposite corners of the forming punch and the lower die forming block are arc-shaped surfaces.

Specifically, the lower die forming block and the bottom of the tool apron are provided with ejector plates, and the bottom of each ejector plate is provided with a lower die base.

Specifically, an ejector rod for telescopically ejecting the surface of the lower die forming module is arranged in the ejector plate.

Specifically, the upper clamping plate is connected with the forming punch through a positioning pin.

Specifically, the two opposite forming punches deflect inward by an angle of 0-5 degrees along the perpendicular line of each positioning pin.

Specifically, an upper base plate and an upper die holder are arranged at the top of the upper clamping plate.

Specifically, an elastic part which penetrates through the upper base plate and extends out of the upper clamping plate to be connected with the stripper plate is arranged in the upper die base.

Compared with the prior art, the utility model discloses the fashioned beat mould structure's of accurate control product symmetry negative angle beneficial effect mainly embodies:

the forming punch with the adjustable deflection angle is arranged and matched with a groove body between the lower die forming block and the tool rest, so that the end part of the workpiece to be machined is accurately and stably bent and formed at a negative angle; the symmetrically arranged forming punches can simultaneously operate on the workpiece to be processed, so that the defect of multiple stations and multiple dies is overcome; before the forming punch is punched, the workpiece to be machined is positioned in advance by the stripper plate, so that the dislocation and deviation of the workpiece to be machined are prevented.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the forming punch of the present embodiment;

the figures in the drawings represent:

1 waiting to be processed, 2 lower die forming blocks, 21 ejector plates, 22 ejector rods, 3 tool rests, 4 stripper plates, 5 upper clamping plates, 51 upper backing plates, 52 upper die seats, 6 forming punches, 61 groove bodies, 62 arc-shaped surfaces, 7 positioning pins and 8 elastic parts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.

Example (b):

referring to fig. 1-2, the embodiment is a deflection die structure for accurately controlling the symmetric negative angle molding of a product, and includes a lower die molding block 2 for supporting and positioning a workpiece 1 to be processed, tool holders 3 symmetrically disposed on both sides of the lower die molding block 2, a stripper plate 4 disposed above the lower die molding block 2 and elastically abutted against the workpiece 1 to be processed, and a molding punch 6 connected with an upper clamp plate 5 and extending downward to two end portions of the workpiece 1 to be processed and capable of deflecting and adjusting an angle; a groove body 61 avoiding the forming punch 6 is formed between the lower die forming block 2 and the tool rest 3. The opposite corner of the forming punch 6 and the lower die forming block 2 is an arc-shaped surface 62.

And the lower die forming block 2 and the bottom of the tool apron 3 are provided with an ejector plate 21, and the bottom of the ejector plate is provided with a lower die base.

And an ejector rod 22 for telescopically ejecting the surface of the lower die forming block 2 is arranged in the ejector plate 21 and is used for ejecting the stripping material of the workpiece 1 to be processed after stamping.

The upper clamping plate 5 is connected with the forming punch 6 through a positioning pin 7, and the two opposite forming punches 6 are deflected inwards by an angle of 0-5 degrees along the vertical line of each positioning pin 7.

The top of the upper clamping plate 5 is provided with an upper backing plate 51 and an upper die base 52.

An elastic part 8 penetrating through the upper backing plate 51, extending out of the upper clamping plate 5 and connected with the stripper plate 4 is arranged in the upper die holder 52, and specifically, the elastic part 8 is a nitrogen spring.

When the embodiment is applied, the forming punch 6 with the adjustable deflection angle is arranged and is matched with the groove body 61 between the lower die forming block 2 and the tool rest 3, so that the end part of the workpiece 1 to be processed is accurately and stably bent and formed at a negative angle; the symmetrically arranged forming punches 6 can simultaneously operate the workpiece 1 to be processed, so that the defects of multiple stations and multiple dies are avoided; before the forming punch 6 punches, the workpiece 1 to be processed is positioned in advance by the stripper plate 4, so that the dislocation and deviation of the workpiece 1 to be processed are prevented.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Accurate fashioned beat mould structure of control product symmetry negative angle, its characterized in that: the punching die comprises a lower die forming block for supporting and positioning a workpiece to be machined, tool rests symmetrically arranged on two sides of the lower die forming block, a stripper plate arranged above the lower die forming block and elastically abutted against the workpiece to be machined, and a forming punch which is connected with an upper clamping plate and extends downwards to two end parts of the workpiece to be machined and can deflect to adjust the angle; a groove body avoiding the forming punch is formed between the lower die forming block and the tool rest, and the opposite corners of the forming punch and the lower die forming block are arc-shaped surfaces.

2. The mold structure for accurately controlling the symmetric negative angle molding of a product according to claim 1, wherein: and the lower die forming block and the bottom of the tool apron are provided with ejector plates, and the bottom of each ejector plate is provided with a lower die base.

3. The mold structure of claim 2, wherein the mold structure is a mold structure for accurately controlling the symmetric negative angle molding of a product, and comprises: and an ejector rod for telescopically ejecting the surface of the lower die forming block is arranged in the ejection plate.

4. The mold structure for accurately controlling the symmetric negative angle molding of a product according to claim 1, wherein: the upper clamping plate is connected with the forming punch through a positioning pin.

5. The mold structure of claim 4, wherein the mold structure is a mold structure for accurately controlling the symmetric negative angle molding of a product, and comprises: the two opposite forming punches deflect inward by an angle of 0-5 degrees along the vertical line of each positioning pin.

6. The mold structure for accurately controlling the symmetric negative angle molding of a product according to claim 1, wherein: an upper base plate and an upper die holder are arranged at the top of the upper clamping plate.

7. The mold structure of claim 6, wherein the mold structure is a mold structure for accurately controlling the symmetric negative angle molding of a product, and comprises: an elastic piece which penetrates through the upper base plate and extends out of the upper clamping plate to be connected with the stripper plate is arranged in the upper die base.