CN212121286U - Secondary bending forming structure - Google Patents
Secondary bending forming structure Download PDFInfo
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- CN212121286U CN212121286U CN202020417542.XU CN202020417542U CN212121286U CN 212121286 U CN212121286 U CN 212121286U CN 202020417542 U CN202020417542 U CN 202020417542U CN 212121286 U CN212121286 U CN 212121286U
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Abstract
A secondary bending forming structure comprises an upper die holder, an upper forming block, a lower movable forming block and a lower die holder, wherein the upper die holder is relatively provided with two upper forming blocks, a trapezoid hole with a wide upper part and a narrow lower part is formed between the two upper forming blocks, a pressure plate moving up and down is arranged in the trapezoid hole, and a first nitrogen spring is arranged between the pressure plate and the upper die holder; a lower forming block matched with the two upper forming blocks is arranged on the lower die base, an ejector pin moving up and down is arranged in the lower forming block, a second nitrogen spring is arranged between the ejector pin and the lower die base, and the ejector pin penetrates out of the lower forming block and is matched with the pressure plate; two lower movable forming blocks which are matched with the upper forming blocks are oppositely arranged on two sides of the lower forming blocks, and the lower movable forming blocks are connected with the lower die base through guide pillars and guide sleeves. The utility model discloses not only mould cost and cost of labor are low, and production efficiency is high moreover.
Description
Technical Field
The utility model belongs to the technical field of the stamping die technique and specifically relates to a secondary forming structure of bending.
Background
In the prior art, two sets of dies are needed for twice bending of a product, so that the die cost and the labor cost are high, and the production efficiency is low.
Accordingly, the prior art is subject to improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists among the prior art, the utility model aims at providing a secondary forming structure of bending that mould cost and cost of labor are low, production efficiency is high.
In order to achieve the above object, the utility model adopts the following technical scheme:
a secondary bending forming structure comprises an upper die holder, an upper forming block, a lower movable forming block and a lower die holder, wherein the upper die holder is relatively provided with two upper forming blocks, a trapezoid hole with a wide upper part and a narrow lower part is formed between the two upper forming blocks, a pressure plate moving up and down is arranged in the trapezoid hole, and a first nitrogen spring is arranged between the pressure plate and the upper die holder; a lower forming block matched with the two upper forming blocks is arranged on the lower die base, an ejector pin moving up and down is arranged in the lower forming block, a second nitrogen spring is arranged between the ejector pin and the lower die base, and the ejector pin penetrates out of the lower forming block and is matched with the pressure plate; two lower movable forming blocks which are matched with the upper forming blocks are oppositely arranged on two sides of the lower forming blocks, the lower movable forming blocks are connected with the lower die base through guide pillars and guide sleeves, and a third nitrogen spring is arranged between the lower movable forming blocks and the lower die base.
Preferably, two limiting blocks are oppositely arranged on the two lower movable forming blocks.
Preferably, the outer side of the limiting block is provided with a limiting screw.
Preferably, the upper die base is provided with an upper limiting block matched with the lower movable forming block.
Compared with the prior art, the beneficial effects of the utility model are that:
due to the adoption of the structural design, the die is low in cost and labor cost, and the production efficiency is high.
Drawings
Fig. 1 is a structural schematic diagram of the present invention.
The reference numbers in the figures are respectively: (1) the device comprises an upper die holder, (2) (3) an upper forming block, (4) a lower forming block, (5) (6) a lower movable forming block, (7) a lower die holder, (8) a trapezoidal hole, (9) a pressure plate, (10) a first nitrogen spring, (11) an ejector pin, (12) a second nitrogen spring, (13) (14) a third nitrogen spring, (15) (16) a limiting block, (17) (18) a limiting screw, and (19) (20) an upper limiting block.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the present invention relates to a secondary bending forming structure, which includes an upper die base 1, upper forming blocks 2 and 3, a lower forming block 4, lower movable forming blocks 5 and 6, and a lower die base 7, wherein the upper die base 1 is relatively provided with two upper forming blocks 2 and 3, a trapezoidal hole 8 with a wide top and a narrow bottom is formed between the two upper forming blocks, a pressure plate 9 moving up and down is arranged in the trapezoidal hole, and a first nitrogen spring 10 is arranged between the pressure plate 9 and the upper die base 1; a lower forming block 4 matched with the two upper forming blocks is arranged on the lower die base 7, an ejector pin 11 moving up and down is arranged in the lower forming block 4, a second nitrogen spring 12 is arranged between the ejector pin 11 and the lower die base 7, and the ejector pin 11 penetrates through the lower forming block 4 to be matched with the pressure plate 9; two lower movable forming blocks 5 and 6 which are matched with the upper forming block are oppositely arranged on two sides of the lower forming block 4, the lower movable forming blocks are connected with the lower die base 7 through guide pillars and guide sleeves, a third nitrogen spring 13 is arranged between the lower movable forming blocks 5 and the lower die base 7, a third nitrogen spring 14 is arranged between the lower movable forming blocks 6 and the lower die base 7, a limiting block 15 is arranged on the lower movable forming block 5, a limiting screw 17 is arranged on the outer side of the limiting block 15, a limiting block 16 is arranged on the lower movable forming block 6, and a limiting screw 18 is arranged on the outer side of the limiting block 16; and upper limiting blocks 19 and 20 which are respectively matched with the lower movable forming blocks 5 and 6 are arranged on the upper die base.
The utility model discloses during operation, the tablet that treats processing is arranged in under two on the activity shaping piece earlier, it is spacing to it by the stopper, the upper die base is down, go up shaping piece contact tablet, the upper die base continues down, lower activity shaping piece keeps motionless under the effect of third nitrogen spring, the tablet makes the both ends of tablet bend the shaping under the effect of upper shaping piece and lower activity shaping piece, the upper die base continues down, lower activity shaping piece continues to keep motionless under the effect of third nitrogen spring, the tablet contacts down shaping piece under the effect of upper shaping piece and pressure flitch, the upper die base continues down, lower activity shaping piece moves down under the effect of upper stopper, the tablet makes the tablet middle part accomplish the secondary under the effect of upper shaping piece and lower shaping piece and bends the shaping; the lower die holder goes upward, the pressure flitch takes off the material, and the ejector pin is ejecting product under the effect of second nitrogen spring, and the product is conveniently taken out to higher demolding face.
To sum up, the utility model discloses an aforementioned structural design solves the weak point among the prior art, has characteristics such as reasonable in design, with low costs, efficient.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a two-shot forming structure that bends which characterized in that: the die comprises an upper die holder, upper forming blocks, lower movable forming blocks and a lower die holder, wherein the upper die holder is relatively provided with two upper forming blocks, a trapezoidal hole with a wide upper part and a narrow lower part is formed between the two upper forming blocks, a pressure plate moving up and down is arranged in the trapezoidal hole, and a first nitrogen spring is arranged between the pressure plate and the upper die holder; a lower forming block matched with the two upper forming blocks is arranged on the lower die base, an ejector pin moving up and down is arranged in the lower forming block, a second nitrogen spring is arranged between the ejector pin and the lower die base, and the ejector pin penetrates out of the lower forming block and is matched with the pressure plate; two lower movable forming blocks matched with the upper forming blocks are oppositely arranged on two sides of the lower forming blocks, the lower movable forming blocks are connected with the lower die holder through guide pillars and guide sleeves, and third nitrogen springs are arranged between the lower movable forming blocks and the lower die holder.
2. The double-bending molding structure according to claim 1, wherein: two limiting blocks are oppositely arranged on the lower movable forming blocks.
3. The over-bending molding structure according to claim 2, wherein: and a limiting screw is arranged on the outer side of the limiting block.
4. The double-bending molding structure according to claim 1, wherein: and the upper die base is provided with an upper limiting block matched with the lower movable forming block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417542.XU CN212121286U (en) | 2020-03-27 | 2020-03-27 | Secondary bending forming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417542.XU CN212121286U (en) | 2020-03-27 | 2020-03-27 | Secondary bending forming structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212121286U true CN212121286U (en) | 2020-12-11 |
Family
ID=73672069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020417542.XU Active CN212121286U (en) | 2020-03-27 | 2020-03-27 | Secondary bending forming structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212121286U (en) |
-
2020
- 2020-03-27 CN CN202020417542.XU patent/CN212121286U/en active Active
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