CN217474606U - Compact slider bending and forming stamping die - Google Patents

Abstract

The utility model discloses a compact slider shaping stamping die that bends, including last mould and lower mould, be provided with the slider subassembly of bending in the lower mould, the slider subassembly of bending includes that fixed bending goes into son and slider bending income son, the side of fixed bending income son is equipped with the cockscomb structure who has an inclination with vertical line, and slider bending goes into to be equipped with on the son with fixed bending the concave type structure of cockscomb structure matched with on the son. The utility model discloses a structure has that occupation space is little, the activity stroke is short, parts machining is simple, modify convenient advantage, facilitate promotion.

Description

Compact slider bending and forming stamping die

Technical Field

The utility model belongs to the technical field of the mould and specifically relates to a compact slider shaping stamping die that bends is related to.

Background

The stamping die is a special process equipment for processing materials into parts or semi-finished products in cold stamping processing, and is called as a cold stamping die.

In current each type stamping die that bends, dovetail slider and the slide wedge slider occupation space of general type are great, and the slider activity stroke is great. And some moulds are limited by the product structure, so that the mould space is narrow, the common dovetail slide block and the common wedge slide block cannot be used, the product material belt cannot be taken off or taken out, and the production efficiency and the production safety are seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a compact slider shaping stamping die that bends, including last mould and lower mould, be provided with the slider subassembly of bending in the lower mould, the slider subassembly of bending includes that fixed bending goes into sub 9 and slider bending income sub 13, the side of fixed bending income sub 9 is equipped with the cockscomb structure who has an inclination with vertical line, and slider bending income is equipped with on 13 with the fixed concave type structure who bends the cockscomb structure matched with on the son 9 of bending.

Further, the upper die comprises a first fixing body and a second fixing body; a bending punch 18 is arranged in the upper die, the upper end of the bending punch 18 is fixed in the first fixing body, and the lower end of the bending punch 18 can slide in the second fixing body.

Further, a second spring 20 is further arranged in the upper die, and two ends of the second spring 20 are respectively connected with the first fixing body and the second fixing body; when the second spring 20 is in a pre-compressed state, there is a gap between the first and second fixed bodies.

Furthermore, an ejection pin 12, a set screw 11 and a first spring 10 are further arranged in the lower die, the ejection pin 12, the set screw 11 and the first spring 10 are sequentially connected from top to bottom, and the upper end of the ejection pin is directly contacted with the lower end of a slider bending insert 13; the elastic force of the first spring 10 is smaller than that of the second spring 20.

Further, an upper die inner guide sleeve 16 and an inner guide pillar 17 are arranged in the upper die, a lower die inner guide sleeve 14 is arranged in the lower die, and the inner guide pillar 17 penetrates through the upper die inner guide sleeve 16 and the lower die inner guide sleeve 14 so as to guide the upper die and the lower die.

Further, an equal-height sleeve assembly 19 is further arranged in the upper die, the lower end of the equal-height sleeve assembly 19 is fixed in the second fixing body, and when the second spring 20 is compressed, one end of the equal-height sleeve assembly 19 moves in the first fixing body.

Further, the inclination angle of the saw-tooth structure of the slider bending-in tab 13 ranges from 45 ° ± 20 °.

Further, when the slider bending-in piece 13 is compressed, the vertical gap between the fixed bending-in piece 9 and the slider bending-in piece 13 is between 0.3mm and 1.0 mm.

Compared with the prior art, the structure of the utility model has the advantages of small occupied space, short movable stroke, simple part processing and convenient modification, and is convenient for popularization; the width of slider bending structure after laminating totally wherein is less than the half of same kind type stamping die width, has solved the problem that can not use dovetail slide and the slide wedge slider of ordinary type when the mould space is narrow and small, has solved the product simultaneously and can not take off the problem of material or taking out smoothly, has improved production efficiency and production safety greatly, has reduced the mould maintenance cost, directly brings economic benefits for the trade company.

Drawings

Fig. 1 is a schematic view of the compact slide block bending forming stamping die opening.

Fig. 2 is a schematic closed die view of a compact slide block bending forming stamping die.

Fig. 3 is a schematic view of the mold opening of the partial structure of the bending punch and the slider bending insert.

Fig. 4 is a schematic view of a partial structure of a bending punch and a slider bending insert mold closing.

The reference symbols in the figures represent the meaning:

the device comprises an upper die holder 1, an upper padding plate 2, an upper clamping plate 3, a stop plate 4, a stripper plate 5, a lower die plate 6, a lower padding plate 7, a lower die holder 8, a fixed bending insert 9, a first spring 10, a set screw 11, a material ejecting pin 12, a slider bending insert 13, a lower die inner guide sleeve 14, a material belt 15, an upper die inner guide sleeve 16, an inner guide pillar 17, a bending punch 18, an equal-height sleeve assembly 19 and a second spring 20.

Detailed Description

The utility model provides a compact slider shaping stamping die that bends.

Example one

As shown in fig. 1-4, a compact slider bending and stamping die comprises an upper die and a lower die, wherein the upper die comprises an upper die base 1, an upper backing plate 2, an upper clamping plate 3, a stop plate 4 and a stripper plate 5, and the lower die comprises a lower die plate 6, a lower backing plate 7 and a lower die base 8.

The upper die holder 1, the upper backing plate 2 and the upper clamping plate 3 are fixed through screws to form a first fixed body integrally, and the stop plate 4 and the stripper plate 5 are fixed through screws to form a second fixed body integrally; the lower end of the equal-height sleeve assembly 19 is fixed on the stripper plate 5, and the equal-height sleeve assembly 19 can slide in the upper die holder 1, the upper backing plate 2 and the upper clamping plate 3.

An inner guide post 17 is arranged in the upper die, an inner upper die guide sleeve 16 is arranged in the stripper plate 5, an inner lower die guide sleeve 14 is arranged in the lower die plate 6, and the inner guide post 17 penetrates through the inner upper die guide sleeve 16 and the inner lower die guide sleeve 14 so as to guide the upper die and the lower die.

And a bending punch 18 is further arranged in the upper die, the upper end of the bending punch 18 is fixed in the first fixing body, and the lower end of the bending punch 18 can slide in the second fixing body.

And a second spring 20 is further arranged in the upper die, and two ends of the second spring 20 are respectively connected with the upper die base 1 and the stop plate 4. When the second spring 20 is in a pre-compressed state, a clearance is provided between the upper clamping plate 3 and the stop plate 4.

The lower die is internally provided with a sliding block bending assembly, the sliding block bending assembly comprises a fixed bending insert 9 and a sliding block bending insert 13, the side face of the fixed bending insert 9 is provided with a sawtooth structure with a certain angle with a vertical line, and the sliding block bending insert 13 is provided with a concave structure matched with the sawtooth structure on the fixed bending insert 9.

Still be provided with liftout round pin 12, stop payment screw 11 and first spring 10 in the lower mould, liftout round pin 12, stop payment screw 11 and first spring 10 are connected from top to bottom in order, liftout round pin 12 upper end and the lower extreme direct contact of slider bending income 13. The elastic force of the first spring 10 is smaller than that of the second spring 20. The lower die holder is used as a screw thread through hole to fix the lower end of the first spring 10.

In the production process, the concrete flow of mold closing and mold opening is as follows:

fixing the die on a punch press, and adjusting the die closing height of the die;

the punch moves downwards, and an inner guide post 17 of the upper die is guided into a guide sleeve 14 in the lower die to guide and correct the upper die and the lower die;

the punch continues to move downwards, the stripper plate 5 contacts the material belt 15 and presses the material belt down, the material belt 15 presses the slider bending insert 13 downwards to enable the slider bending insert 13 to move leftwards and downwards along the inclination direction of the sawtooth-shaped structure by a small gap, and the slider bending insert 13 and the top surface of the lower template 6 are positioned on the same plane;

the punch continues to move downwards, the second spring 20 is compressed, so that the gap between the upper clamping plate 3 and the stop plate 4 is gradually reduced until the upper clamping plate and the stop plate are jointed, and meanwhile, the bending punch 18 presses two sides of the material belt 15 downwards to form the material belt 15;

when the die is opened, the punch drives the upper die to move upwards, the slide block bending insert 13 is reset due to the pressure released by the extension of the first spring 10 (the slide block bending insert 13 moves upwards to be completely attached to the fixed bending insert 9); at the moment, gaps are formed between the two sides of the material belt 15 and the slider bending assemblies, so that the material belt can be taken out or taken out quickly;

the punch press drives the upper die to move upwards continuously, the second spring 20 extends gradually to release pressure, and the bending punch 18 moves upwards to the interior of the upper die;

the punch press drives the upper die to continue moving upwards until the dies are completely separated.

The range of the inclination angle of the sawtooth-shaped structure of the slider bending insert 13 is 45 ° ± 20 °.

The gap between the fixed bending insert 9 and the slider bending insert 13 in the vertical direction is 0.3mm to 1.0mm, and can be automatically adjusted according to the requirement.

The utility model discloses a structure has that occupation space is little, the activity stroke is short, parts machining is simple, modify convenient advantage, facilitate promotion.

The utility model discloses a width after slider bending structures laminates completely is less than the half of the same kind type stamping die width, has solved the problem that can not use forked tail slider and the slide wedge slider of ordinary type when the mould space is narrow and small, has solved the problem that the product can not take off smoothly material or take out simultaneously, has improved production efficiency and production safety greatly, has reduced the mould maintenance cost, directly brings economic benefits for the trade company.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a compact slider shaping stamping die that bends, its characterized in that, includes mould and lower mould, be provided with the slider subassembly of bending in the lower mould, the slider subassembly of bending includes fixed bending income (9) and slider bending income (13), the side of fixed bending income (9) is equipped with the cockscomb structure that has an inclination with vertical line, is equipped with on the slider bending income (13) with the fixed concave type structure that bends the cockscomb structure matched with on the income (9).

2. The compact slide bending and stamping die of claim 1, wherein the upper die includes a first fixed body and a second fixed body; a bending punch head (18) is arranged in the upper die, the upper end of the bending punch head (18) is fixed in the first fixing body, and the lower end of the bending punch head (18) can slide in the second fixing body.

3. The compact slide block bending and forming stamping die according to claim 2, wherein a second spring (20) is further arranged in the upper die, and two ends of the second spring (20) are respectively connected with the first fixing body and the second fixing body; when the second spring (20) is in a pre-compressed state, a gap exists between the first and second fixed bodies.

4. The compact type slide block bending forming stamping die according to claim 3, wherein an ejection pin (12), a stop screw (11) and a first spring (10) are further arranged in the lower die, the ejection pin (12), the stop screw (11) and the first spring (10) are sequentially connected from top to bottom, and the upper end of the ejection pin is in direct contact with the lower end of a slide block bending insert (13); the elastic force of the first spring (10) is smaller than the elastic force of the second spring (20).

5. The compact slide bending forming stamping die of claim 4, wherein an upper die inner guide sleeve (16) and an inner guide pillar (17) are arranged in the upper die, a lower die inner guide sleeve (14) is arranged in the lower die, and the inner guide pillar (17) penetrates through the upper die inner guide sleeve (16) and the lower die inner guide sleeve (14) so as to guide the upper die and the lower die.

6. The compact slide block bending forming stamping die according to claim 5, wherein an equal-height sleeve assembly (19) is further arranged in the upper die, the lower end of the equal-height sleeve assembly (19) is fixed in the second fixing body, and when the second spring (20) is compressed, one end of the equal-height sleeve assembly (19) moves in the first fixing body.

7. Compact slide bending forming stamping die according to claim 1, characterised in that the inclination angle of the zigzag structure of the slide bend insert (13) is in the range of 45 ° ± 20 °.

8. The compact slide bending and stamping die according to claim 1, wherein when the slide bending insert (13) is compressed, a vertical gap between the fixed bending insert (9) and the slide bending insert (13) is between 0.3mm and 1.0 mm.

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