CN203778603U - Stamping composite forming die structure - Google Patents
Stamping composite forming die structure Download PDFInfo
- Publication number
- CN203778603U CN203778603U CN201420096926.0U CN201420096926U CN203778603U CN 203778603 U CN203778603 U CN 203778603U CN 201420096926 U CN201420096926 U CN 201420096926U CN 203778603 U CN203778603 U CN 203778603U
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- China
- Prior art keywords
- binder block
- die
- punching press
- resetting means
- mould structure
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- Expired - Lifetime
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011230 binding agent Substances 0.000 claims description 83
- 238000004080 punching Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001138 tear Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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- Presses And Accessory Devices Thereof (AREA)
Abstract
The utility model discloses a stamping composite forming die structure, and aims to solve the problem of low material utilization rate or poor stamping part shape and size accuracy when the stamping part is machined by a conventional stamping die. The stamping composite forming die structure comprises an upper die base connected with an upper machine station, and a lower die base connected with a lower machine station, wherein an upper die cavity is formed in the upper die base; an upper pressing block and an upper reset device are arranged in the upper die cavity; the upper reset device is connected to the upper end of the upper pressing block; a cutter block is connected onto the lower end surface of the upper die base; a die core matched with the stamping part is fixedly connected onto the lower die base and movably sleeved with a lower pressing block; the lower end of the lower pressing block is connected with a lower reset device; the lower end molded surface of the upper pressing block and the upper end molded surface of the die core are arranged oppositely; the upper end molded surface of the lower pressing block and the lower end surface of the cutter block are arranged oppositely; and a gap is formed between the inner wall of the lower pressing block and the outer wall of the die core. The stamping composite forming die structure is high in material utilization rate when used for machining the stamping part, and the shape accuracy and size accuracy of the stamping part are high.
Description
Technical field
The utility model relates to a kind of diel, and more particularly, it relates to the mould structure of the punching press composite molding that a kind of stock utilization is high.
Background technology
The mode that automobile cladding element stamping process obtains part shape conventionally has drawing, is shaped two kinds.Drawing principle is to need binder block first to hold blank, drive patrix that blank is first contacted with binder block by press, compress the outer ring of blank simultaneously, continue to move downward by patrix again, after (not pushed down region by binder block) is stretched to die in the middle of blank outer ring (by the region of patrix and binder block compression) and blank, obtain required part shape; The shape-aided that do in the region that binder block, patrix contact with blank is all often waste material, follow-uply need to excise these unnecessary waste materials, therefore drawing mode stock utilization is low, but accurately high, the feature such as resilience probability is little of the part shape that blank has carried out obtaining after abundant stretching, size.Shaping is to carry out blanking according to part required (or approaching) geomery, process patrix and counterdie according to part shape again, and directly suppress and obtain required part shape by upper die and lower die, without excision waste material (or local excision's fraction waste material), therefore forming mode stock utilization is high, but blank does not carry out binder stretching by binder block, and material is suppressed by one side only, blank plastic deformation is insufficient, obtains the deficiencies such as part shape, poor dimensional precision, resilience probability be large.In sum: ensure that element precision improves stock utilization simultaneously, carry out producing without waste material, existing these two kinds of techniques cannot realize; Especially beam-like part, uses high-strength plate mostly, and after being shaped, resilience defect is more obvious, ensures element precision in order to improve stock utilization simultaneously, and much more like this traditional handicraft is often divided a few operation processing, can increase operation, has increased manufacturing cost.
Chinese patent notification number CN202061995U, the punch-forming mold of a kind of car left and right curb girder stiffener is disclosed, comprise upper die and lower die, counterdie forming blocks on drift and counterdie on patrix has respectively a pair of, center line with respect to upper die and lower die is symmetrical arranged, counterdie forming blocks comprises the inner side group of inserting, insert and organize and retainer core in outside, inner side insert group and outside insert organize medial surface, the end face of retainer core forms overall archwise, cross section is U-shaped die cavity, insert group and the outside group of inserting of inner side is spliced to form by some piecewises in the longitudinal direction of inserting, insert group and the outside group of inserting of inner side is fixedly connected on die shoe, retainer core is movably connected on die shoe, the bottom surface contact lathe push rod of retainer core, upper mouth in die cavity both sides is respectively equipped with locator.The diel of this structure greatly reduces the distortion springback capacity of length direction, but blank plastic deformation is insufficient, obtains part shape, poor dimensional precision.
Summary of the invention
The utility model has overcome the deficiency of existing the diel low or stamping parts shape of stock utilization, poor dimensional precision in the process of processing stamping parts, a kind of mould structure of punching press composite molding is provided, its stock utilization in processing stamping parts is high, and stamping parts shape, dimensional accuracy are high.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of mould structure of punching press composite molding, comprise the upper bolster being connected with upper board, the die shoe being connected with lower board, in upper bolster, be provided with upper cavity, in upper cavity, be provided with binder block, upper resetting means, upper resetting means is connected to binder block upper end, is connected with cutter piece on upper bolster lower surface; On die shoe, be fixedly connected with the die with stamping parts adaptation, the outer movable sleeve of die is connected to and presses down material piece, lower binder block lower end connects lower resetting means, upper binder block lower end profile and die upper end profile are oppositely arranged, lower binder block upper end profile and cutter piece lower surface are oppositely arranged, and between lower binder block inwall and die outer wall, are provided with gap.
Between upper bolster lower end profile and die shoe upper end profile, form die cavity consistent with stamping parts geomery, after the downward punching press of upper bolster, form qualified stamping parts.First blank is placed in the profile of die and lower binder block, then start upper board, upper bolster and upper binder block are with the downward ramming motion of upper board, the lower end profile of upper binder block contacts and compresses blank simultaneously with die profile part, now the cutter piece on upper bolster and blank keep the distance of one end, and lower binder block holder blank and is subject to the support of lower resetting means.Then carry out pre-combined shaping, cutter piece on upper bolster moves downward and compresses the blank on lower binder block with upper board, go up binder block and move downward with board, the upper resetting means that is connected to binder block upper end shrinks, and makes blank remain impaction state simultaneously.Finally carry out combined shaping, cutter piece on upper bolster continues to move downward, blank outer ring is pressed in lower binder block profile by cutter piece, and stretch by die shape, descend the lower resetting means of binder block compression simultaneously, cutter piece profile and lower binder block profile remain required thrust, finish until stretch.After combined shaping completes, upper board moves upward and realizes die sinking, simultaneously under the effect of upper resetting means and lower resetting means on binder block and lower binder block realize and resetting, reset convenient.In the process of whole combined shaping, do not excise waste material, stock utilization is high, and blank received the two-sided compacting of upper binder block and lower binder block, and blank plastic deformation is abundant, obtains part shape, dimensional accuracy is good, resilience probability is little.The mould structure of this punching press composite molding stock utilization in processing stamping parts is high, and stamping parts shape, dimensional accuracy are high.
As preferably, between upper binder block outer wall and upper cavity inwall, be provided with guiding wearing plate, guiding wearing plate is fixedly connected with upper binder block.The anti-wear performance of guiding wearing plate is good, in the process that upper binder block moves up and down in upper cavity, weares and teares little, and long service life.
As preferably, upper resetting means and lower resetting means are nitrogen spring, and the expansion link of upper reset spring is fixedly connected on binder block upper end, and the expansion link of lower back-moving spring is fixedly connected on the lower end of lower binder block.Nitrogen spring is as upper resetting means and lower resetting means, and volume is little, elastic force is large, stroke is long, stable working, manufactures precision, long service life, and spring curve is mild, and does not need pretension.
As preferably, the position that keeps to the side on upper bolster lower surface is provided with some pilot holes, in pilot hole, be provided with wearing bush, the position that keeps to the side on die shoe upper surface is provided with several and the pilot hole corresponding lead arranging one by one, and lead activity is plugged in the wearing bush in pilot hole.Lead moves up and down in pilot hole, makes upper bolster and die shoe steadily reliable in the process of operation, there will not be situation about departing from.
As preferably, lower binder block upper end profile is obliquely installed from outside to inside.This structure setting makes blank be difficult for slipping away die and lower binder block.
As preferably, die shoe lower end is connected with gripper shoe, and lower resetting means is arranged in gripper shoe.The lower end of the upper and lower binder block of die shoe is connected with adjusting cushion block, and lower binder block lower end is supported on and regulates on cushion block.Regulate the connection height of lower binder block by the adjusting cushion block with different-thickness, thereby control the distance between upper bolster and lower binder block, effectively restrained stretching stroke, resetting means and lower resetting means stroke in protection.
As preferably, on upper bolster lower surface, be provided with a circle projection near outward flange position, die shoe upper surface is provided with guiding riser, on guiding riser outer wall, be connected with for the wear strip of the adaptive laminating of convex inner walls.Upper bolster and die shoe are in running, and the wear strip on guiding riser slides in convex inner walls, when ensureing upper bolster and die shoe running stability, wear and tear little, and long service life.
Compared with prior art, the beneficial effects of the utility model are: the mould structure of punching press composite molding stock utilization in processing stamping parts is high, and stamping parts shape, dimensional accuracy are high.
Brief description of the drawings
Fig. 1 is the structural representation of die opening state of the present utility model;
Fig. 2 is the structural representation of matched moulds state of the present utility model;
Fig. 3 is the structural representation of pre-combined shaping state of the present utility model;
Fig. 4 is the structural representation of combined shaping state of the present utility model;
In figure: 1, upper bolster, 2, die shoe, 3, upper cavity, 4, upper binder block, 5, upper resetting means, 6, cutter piece, 7, die, 8, lower binder block, 9, lower resetting means, 10, guiding wearing plate, 11, pilot hole, 12, wearing bush, 13, lead, 14, gripper shoe, 15, regulate cushion block, 16, projection, 17, guiding riser, 18, wear strip.
Detailed description of the invention
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment: a kind of mould structure (referring to accompanying drawing 1) of punching press composite molding, comprise the upper bolster 1 being connected with upper board, the die shoe 2 being connected with lower board, in upper bolster, centre position is provided with upper cavity 3, in upper cavity, be provided with binder block 4, upper resetting means 5, upper resetting means is connected to binder block upper end, on upper bolster lower surface, be connected with cutter piece 6, cutter piece is connected to the outside of binder block.On die shoe, be fixedly connected with the die 7 with stamping parts adaptation, the outer movable sleeve of die is connected to and presses down material piece 8, lower binder block lower end connects lower resetting means 9, upper binder block lower end profile and die upper end profile are oppositely arranged, lower binder block upper end profile and cutter piece lower surface are oppositely arranged, and lower binder block upper end profile is obliquely installed from outside to inside.Upper binder block lower end profile and cutter piece lower surface and stamping parts upper surface adaptation, lower binder block upper end profile and die upper end profile and stamping parts lower surface adaptation.Between lower binder block inwall and die outer wall, be provided with gap.Between upper binder block outer wall and upper cavity inwall, be provided with guiding wearing plate 10, guiding wearing plate is fixedly connected with upper binder block.The position that keeps to the side on upper bolster lower surface is provided with some pilot holes 11, in pilot hole, be provided with wearing bush 12, the position that keeps to the side on die shoe upper surface is provided with several and the pilot hole corresponding lead 13 arranging one by one, and lead activity is plugged in the wearing bush in pilot hole.On upper bolster lower surface, be provided with a circle projection 16 near outward flange position, it is upper that pilot hole is arranged on projection, and die shoe upper surface is provided with guiding riser 17, on guiding riser outer wall, be connected with for the wear strip 18 of the protruding adaptive laminating of inwall.Upper resetting means and lower resetting means are nitrogen spring, and the expansion link of upper reset spring is fixedly connected on binder block upper end, and the expansion link of lower back-moving spring is fixedly connected on the lower end of lower binder block.Die shoe lower end is connected with gripper shoe 14, and lower resetting means is arranged in gripper shoe.The lower end of the upper and lower binder block of die shoe is removably connected with and regulates cushion block 15, lower binder block lower end to be supported on adjusting cushion block.
Between upper bolster lower end profile and die shoe upper end profile, form die cavity consistent with stamping parts geomery, after the downward punching press of upper bolster, form qualified stamping parts.First blank is placed in the profile of die and lower binder block, then start upper board, upper bolster and upper binder block are with the downward ramming motion of upper board, the lower end profile of upper binder block contacts and compresses blank simultaneously with die profile part, now the cutter piece on upper bolster and blank keep the distance of one end, and lower binder block holder blank and is subject to the support of lower resetting means (referring to accompanying drawing 2).Then carry out pre-combined shaping (referring to accompanying drawing 3), cutter piece on upper bolster moves downward and compresses the blank on lower binder block with upper board, go up binder block and move downward with board, the upper resetting means that is connected to binder block upper end shrinks, and makes blank remain impaction state simultaneously.Finally carry out combined shaping (referring to accompanying drawing 4), cutter piece on upper bolster continues to move downward, blank outer ring is pressed in lower binder block profile by cutter piece, and stretch by die shape, descend the lower resetting means of binder block compression simultaneously, cutter piece profile and lower binder block profile remain required thrust, finish until stretch.After combined shaping completes, upper board moves upward and realizes die sinking, simultaneously under the effect of upper resetting means and lower resetting means on binder block and lower binder block realize and resetting, reset convenient.In the process of whole combined shaping, do not excise waste material, stock utilization is high, and blank received the two-sided compacting of upper binder block and lower binder block, and blank plastic deformation is abundant, obtains part shape, dimensional accuracy is good, resilience probability is little.The mould structure of this punching press composite molding stock utilization in processing stamping parts is high, and stamping parts shape, dimensional accuracy are high.
Above-described embodiment is preferably scheme of one of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (8)
1. the mould structure of a punching press composite molding, comprise the upper bolster being connected with upper board, the die shoe being connected with lower board, it is characterized in that, in upper bolster, be provided with upper cavity, in upper cavity, be provided with binder block, upper resetting means, upper resetting means is connected to binder block upper end, is connected with cutter piece on upper bolster lower surface; On die shoe, be fixedly connected with the die with stamping parts adaptation, the outer movable sleeve of die is connected to and presses down material piece, lower binder block lower end connects lower resetting means, upper binder block lower end profile and die upper end profile are oppositely arranged, lower binder block upper end profile and cutter piece lower surface are oppositely arranged, and between lower binder block inwall and die outer wall, are provided with gap.
2. the mould structure of punching press composite molding according to claim 1, is characterized in that, between upper binder block outer wall and upper cavity inwall, is provided with guiding wearing plate, and guiding wearing plate is fixedly connected with upper binder block.
3. the mould structure of punching press composite molding according to claim 1, it is characterized in that, upper resetting means and lower resetting means are nitrogen spring, and the expansion link of upper reset spring is fixedly connected on binder block upper end, and the expansion link of lower back-moving spring is fixedly connected on the lower end of lower binder block.
4. according to the mould structure of the punching press composite molding described in claim 1 or 2 or 3, it is characterized in that, the position that keeps to the side on upper bolster lower surface is provided with some pilot holes, in pilot hole, be provided with wearing bush, the position that keeps to the side on die shoe upper surface is provided with several and the pilot hole corresponding lead arranging one by one, and lead activity is plugged in the wearing bush in pilot hole.
5. according to the mould structure of the punching press composite molding described in claim 1 or 2 or 3, it is characterized in that, lower binder block upper end profile is obliquely installed from outside to inside.
6. according to the mould structure of the punching press composite molding described in claim 1 or 2 or 3, it is characterized in that, die shoe lower end is connected with gripper shoe, and lower resetting means is arranged in gripper shoe.
7. according to the mould structure of the punching press composite molding described in claim 1 or 2 or 3, it is characterized in that, the lower end of the upper and lower binder block of die shoe is connected with adjusting cushion block, and lower binder block lower end is supported on and regulates on cushion block.
8. according to the mould structure of the punching press composite molding described in claim 1 or 2 or 3, it is characterized in that, on upper bolster lower surface, be provided with a circle projection near outward flange position, die shoe upper surface is provided with guiding riser, on guiding riser outer wall, be connected with for the wear strip of the adaptive laminating of convex inner walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096926.0U CN203778603U (en) | 2014-03-05 | 2014-03-05 | Stamping composite forming die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096926.0U CN203778603U (en) | 2014-03-05 | 2014-03-05 | Stamping composite forming die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778603U true CN203778603U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096926.0U Expired - Lifetime CN203778603U (en) | 2014-03-05 | 2014-03-05 | Stamping composite forming die structure |
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| Country | Link |
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| CN (1) | CN203778603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825235A (en) * | 2016-12-26 | 2017-06-13 | 芜湖市勤惠汽车配件制造有限公司 | Automobile front subframe lower plate stamping mold |
-
2014
- 2014-03-05 CN CN201420096926.0U patent/CN203778603U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825235A (en) * | 2016-12-26 | 2017-06-13 | 芜湖市勤惠汽车配件制造有限公司 | Automobile front subframe lower plate stamping mold |
| CN106825235B (en) * | 2016-12-26 | 2018-08-21 | 芜湖市勤惠汽车配件制造有限公司 | Automobile front subframe lower plate diel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |