CN210966645U

CN210966645U - Novel substep precision mould of bending

Info

Publication number: CN210966645U
Application number: CN201921844599.1U
Authority: CN
Inventors: 王建杭
Original assignee: Qingdao G Shank Enterprise Co ltd
Current assignee: Qingdao G Shank Enterprise Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-10
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a novel substep precision mould of bending, including last mould and lower mould, its characterized in that, go up the mould and include from last upper die base, last mould backing plate, punch holder, the stripping backing plate that sets gradually extremely down and take off the flitch, the lower mould includes lower bolster, lower mould backing plate and the lower bolster that set gradually from supreme down, set up first mechanism of bending between punch holder and the lower bolster, take off and set up the second mechanism of bending between flitch and the lower bolster, set up first mechanism of bending and the second mechanism of bending, bend the position that is different to electronic component, effectively solved the product and bent the atress inhomogeneous and product size instability that causes, make production continuous, stable, on the basis of guaranteeing the product quality, improved production efficiency greatly.

Description

Novel substep precision mould of bending

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to novel substep precision mould of bending.

Background

With the rapid development of socioeconomic and science and technology in China, the technology in the aspect of electronic products is more and more scientific and advanced, and people are more inclined to the direction of the requirements of multiple functions, centralized performance and convenience in carrying. Therefore, the development trend of the electronic products is smaller and smaller, and the electronic products are more and more precise and integrated. Therefore, the electronic components of the electronic device are thin, small and light.

In the past, electronic product parts required by customers are relatively large in size and low in precision requirement, so that the mold design is simple and easy in structure or processing process, and the requirements on the mold are higher as the electronic components are lighter and thinner and finer.

Because the electronic element is usually provided with a continuous bending part and different bending positions have different widths, when a small part is bent, the bending forming positions have different widths, are bent under different stress, are uneven, and easily deflect, and can influence the size precision of a product.

Therefore, the prior art is yet to be further studied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel substep precision mould of bending aims at solving current mould and when bending the product, and the product width of bending differs and the atress that produces is inhomogeneous, leads to the unqualified problem of product size precision.

In order to solve the above problems, the utility model adopts the following technical scheme: the utility model provides a novel substep precision mould of bending, includes mould and lower mould, go up the mould and include from last upper die base, last mould backing plate, punch holder, the stripper plate that sets gradually extremely down and take off the flitch, the lower mould includes the lower bolster, lower mould backing plate and the lower bolster that set gradually from supreme down, set up first mechanism of bending between punch holder and the lower bolster, it sets up the second mechanism of bending to take off between flitch and the lower bolster.

The first bending mechanism comprises a first bending punch head arranged on the upper clamping plate and a first bending insert arranged on the lower die plate, and the first bending punch head and the first bending insert are correspondingly arranged.

The material taking-off plate is provided with a first material taking-off insert, the first material taking-off insert is provided with a first mounting hole, and the first bending punch and the first mounting hole are fixed in a tight fit mode.

The first bending punch is provided with a groove, the groove is formed between the stripping base plate and the upper clamping plate, a punch baffle is arranged between the stripping base plate and the upper clamping plate, and the punch pressing plate is arranged corresponding to the groove.

The first bending sub-end portion comprises a first horizontal plane and a first inclined plane.

The second bending mechanism comprises a second stripping insert arranged on the stripping plate and a second bending punch arranged on the lower template.

The end part of the second bending punch comprises a bending part and a position avoiding part, and the bending part comprises a second horizontal plane and a second inclined plane.

The lower template is provided with a punch fixing plate and a floating block, the floating block and the lower template are fixed through a set screw, and the punch fixing plate and the lower template are fixed in a tight fit mode.

And the lower die base, the lower die base plate and the punch fixing plate are fixed through the jacking pin.

The utility model has the advantages that:

1. the utility model discloses a modulus of continuity sets up first mechanism and the second mechanism of bending, bends to the position that electronic component is different, has effectively solved the product and has bent the inhomogeneous and product size unstability that causes of atress, makes production continuous, stable, on the basis of guaranteeing the product quality, has improved production efficiency greatly.

2. The utility model discloses first bending mechanism includes that first drift and the first material of taking off go into son, sets up and takes off the material and goes into son and lead the position to first drift of bending, but not directly cut the guide hole on taking off the flitch, when first drift of bending is bent the product, can take off the material through changing or renovating and go into son and first drift of bending, adjust the position of first drift of bending and the effect of bending, and need not renovate and take off the flitch, reach the purpose of practicing thrift the cost, reduce the processing degree of difficulty

3. The utility model discloses the second mechanism of bending takes off the material income son including the second drift of bending and second, and the second drift of bending sets up on lower mould drift fixed plate, takes off the material income son and fixes on taking off the flitch, drift fixed plate and lower bolster tight fit, and the kicking block is done on drift fixed plate upper strata, and this kind of pressure is pressed the material and is used well.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of C in FIG. 1;

FIG. 3 is a schematic plan view of a product to be bent;

FIG. 4 is a schematic view of a first bending mechanism;

FIG. 5 is a schematic view of a first bending mechanism illustrating bending at A;

fig. 6 is a schematic view of the second bending mechanism on bending at B.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

As shown in fig. 1-6, a novel substep precision mould of bending, including last mould and lower mould, it includes from last upper die base 1, last mould backing plate 2, punch holder 3, the backing plate 4 of taking off and take off flitch 5 that sets gradually down to go up the mould, the lower mould includes from supreme die holder 6, lower mould backing plate 7 and the lower bolster 10 that sets gradually down, set up first mechanism 8 of bending between punch holder 3 and the lower bolster 10, it sets up second mechanism 9 of bending to take off between flitch 4 and the lower bolster 8. The first bending mechanism 8 bends the product A to be bent, and the second bending mechanism 9 bends the product B to be bent.

The first bending mechanism 8 comprises a first bending punch 801 arranged on the upper clamp plate 3 and a first bending insert 802 arranged on the lower clamp plate 10, and the first bending punch 801 and the first bending insert 802 are correspondingly arranged. The stripper plate 5 is provided with a first stripper insert 803, the first stripper insert 803 is provided with a first mounting hole 831, and the first bending punch 801 and the first mounting hole 831 are fixed in a tight fit manner. A groove 811 is formed in the first bending punch 801, the groove 811 is formed between the stripping base plate 4 and the upper clamping plate 3, a punch baffle 804 is formed between the stripping base plate 4 and the upper clamping plate 3, and the punch baffle 804 corresponds to the groove. The end of the first bent-in sub 802 includes a first horizontal surface 821 and a first inclined surface 822.

The second bending mechanism 9 includes a second stripping insert 901 disposed on the stripping plate 5 and a second bending punch 902 disposed on the lower mold plate 10. The end of the second bending punch 902 includes a bending portion and a space-avoiding portion 922, and the bending portion includes a second horizontal surface 921 and a second inclined surface 923. The lower template 10 is provided with a punch fixing plate 903 and a floating block 904, the floating block 904 and the lower template 10 are fixed through a set screw 19, and the punch fixing plate 903 and the lower template 10 are fixed in a tight fit mode.

The punch fixing plate 903 is used for fixing a punch, the floating block 904 plays a role in pressing materials, the floating height ensures that the floating block is higher than the second bending punch 902 in a die opening state, and the punch fixing plate 903 and the floating block 904 are in zero clearance fit in a die avoiding state, so that a pressurizing effect is realized on bending, and the bending deformation is reduced.

The lower die holder 6, the lower die backing plate 7 and the punch fixing plate 903 are fixed by a top pin 904.

The first stripping feeding sub 803 and the second stripping feeding sub 901 are both provided with C-shaped hooks 832, the stripping plate 5 is provided with counter bores, the C-shaped hooks 832 are arranged corresponding to the counter bores, the first stripping feeding sub 803 and the second stripping feeding sub 901 are fixed with the stripping plate in a tight fit manner, and meanwhile, the connection strength of the first stripping feeding sub 803, the second stripping feeding sub 901 and the stripping plate 5 is increased due to the fact that the C-shaped hooks 832 are arranged to be matched with the counter bores of the stripping plate 5.

The upper die holder 1 is connected with the lower die holder 6 through an outer guide pillar 11, and the lower template 8, the lower die gasket 7 and the lower die holder 6 are connected through a fixing pin 11 and a fixing screw 12.

And a floating guide pin 13 and a jacking pin 14 are arranged among the lower template 8, the lower die gasket 7 and the lower die seat 6. The floating guide pin 13 plays a role in floating bending products and performing rough guide on the bending products.

An inner guide pillar assembly 15 is arranged between the upper die and the lower die, an upper die spring 16 and a hanging rod 17 are arranged among the upper die base 1, the upper die base plate 2, the upper clamping plate 3, the stripping base plate 4 and the stripping plate 5, and the upper die base 1, the upper die base plate 2 and the upper clamping plate 3 are fixed through upper die screws 18.

Specifically, in the mold closing process, the stripper plate 5 contacts the product to be bent firstly, and then presses the product on the lower template 10 to compress the product, so that the product is prevented from changing in position; then the upper clamping plate 3 carries the first bending punch 801 to go down continuously, the first bending punch 801 contacts with the material to start bending forming, and after the upper clamping plate 3 is attached to the stripper plate 5, the first bending A forming is completed. In the mold opening process, the upper clamping plate 3 drives the first bending punch 801 to separate from the product, and then the material removing plate 5 moves upwards to loosen the product. The first bending a is completed.

In the mold closing process, the stripper plate 5 contacts the product and then descends, the lower mold floating block 904 contacts the product and acts with the stripper plate 5 to compress the product, then the lower mold floating block continues to descend, the second bending punch 902 is exposed to begin bending and forming, and after the floating block 904 is attached to the punch fixing plate 903, the second bending B forming is completed. In the mold opening process, the stripper plate 5 moves upwards, the floating block 904 moves upwards together, so that the second bending punch 902 is separated from the product, the floating block 904 stops moving after reaching the set floating height, the stripper plate 5 continues to move upwards, so that the stripper plate 5 is separated, and the second bending B action is completed.

The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a novel substep precision mould of bending, includes mould and lower mould, its characterized in that, go up the mould and include from last upper die base, last mould backing plate, punch holder, the material backing plate of taking off that sets gradually extremely down and take off the flitch, the lower mould includes from supreme die holder, lower mould backing plate and the lower bolster that sets gradually down, set up first mechanism of bending between punch holder and the lower bolster, it sets up the second mechanism of bending to take off between flitch and the lower bolster.

2. The novel stepped bending precision die as claimed in claim 1, wherein the first bending mechanism comprises a first bending punch arranged on the upper clamping plate and a first bending insert arranged on the lower die plate, and the first bending punch and the first bending insert are arranged correspondingly.

3. The novel stepped bending precision die as claimed in claim 2, wherein a first stripping insert is arranged on the stripping plate, a first mounting hole is arranged on the first stripping insert, and the first bending punch and the first mounting hole are fixed in a tight fit manner.

4. A novel stepped bending precision die as claimed in claim 2 or 3, wherein a groove is formed in the first bending punch, the groove is formed between the stripping base plate and the upper clamping plate, a punch baffle is arranged between the stripping base plate and the upper clamping plate, and the punch baffle is arranged corresponding to the groove.

5. The novel stepped bending precision die set forth in claim 2, wherein the first bend incoming sub-end portion comprises a first horizontal surface and a first inclined surface.

6. The novel stepped bending precision die as claimed in claim 1, wherein the second bending mechanism comprises a second stripper insert arranged on the stripper plate and a second bending punch arranged on the lower die plate.

7. The novel stepped bending precision die as claimed in claim 6, wherein the end of the second bending punch comprises a bending portion and a clearance portion, and the bending portion comprises a second horizontal surface and a second inclined surface.

8. The novel stepped bending precision die as claimed in claim 7, wherein the lower die plate is provided with a punch fixing plate and a floating block, the floating block and the lower die plate are fixed through a set screw, and the punch fixing plate and the lower die plate are fixed in a tight fit manner.

9. The novel stepped bending precision die as claimed in claim 8, wherein the lower die holder, the lower die backing plate and the punch fixing plate are fixed by a top pin.