CN215998351U - Time delay structure for soft mold thermal forming mold - Google Patents
Time delay structure for soft mold thermal forming mold Download PDFInfo
- Publication number
- CN215998351U CN215998351U CN202122395143.5U CN202122395143U CN215998351U CN 215998351 U CN215998351 U CN 215998351U CN 202122395143 U CN202122395143 U CN 202122395143U CN 215998351 U CN215998351 U CN 215998351U
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- Prior art keywords
- mold
- blank holder
- delay structure
- time delay
- limiting
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003856 thermoforming Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to the field of dies, in particular to a time delay structure for a soft die thermal forming die, the thermal forming die comprises an upper die, a lower die and a blank holder, the time delay structure comprises a limiting mechanism, the limiting mechanism comprises a limiting bolt and an inserting hole arranged on the die, and the inserting hole comprises a positioning hole arranged on the blank holder and a through hole arranged on the lower die; and the limiting bolt penetrates through the through hole to be connected with the positioning hole in the blank holder. The utility model discloses a time delay structure that soft mould thermoforming mould was used, the utility model discloses a cooperation of spacing bolt and spliced eye, the position to the blank holder that can be fine restricts to the blank holder moves up and leads to the part to be damaged by the blank holder extrusion and warp when avoiding the die sinking.
Description
Technical Field
The utility model relates to a mould field is a time delay structure that soft mould thermoforming mould used particularly.
Background
When traditional soft mould thermoforming mould was used, if the blank holder did not connect the time delay cylinder, then can be when the die sinking, the blank holder of lower mould can move up and extrude the part profile to the roof pressure that the blank holder takes place easily makes the problem of part deformation.
If the time delay nitrogen cylinder is added to the blank holder, the purchase cost of the time delay nitrogen cylinder is very high, and the production cost is not reduced.
Based on the above technical problem, an apparatus capable of achieving the position limitation of the blank holder instead of the time-lapse nitrogen cylinder is now required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a time delay structure that mould blank holder position was injectd.
In order to realize the purpose, the utility model discloses a technical scheme be:
a time delay structure for a soft mold thermal forming mold comprises an upper mold, a lower mold and a blank holder, wherein the time delay structure comprises a limiting mechanism, the limiting mechanism comprises a limiting bolt and an inserting hole arranged on the mold, and the inserting hole comprises a positioning hole arranged on the blank holder and a through hole arranged on the lower mold; and the limiting bolt penetrates through the through hole to be connected with the positioning hole in the blank holder.
The limiting bolt comprises a bolt rod, and an arc-shaped guide head is arranged at the end part of the bolt rod.
The arc-shaped guide head is in a frustum shape.
The delay structure at least comprises two limiting mechanisms which are distributed at intervals.
The bolt rods of the two limiting mechanisms are arranged on the same plane on the lower die.
The utility model has the advantages that:
the utility model discloses a time delay structure that soft mould thermoforming mould was used, the utility model discloses a cooperation of spacing bolt and spliced eye, the position to the blank holder that can be fine restricts to the blank holder moves up and leads to the part to be damaged by the blank holder extrusion and warp when avoiding the die sinking.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural view of the middle pressing edge ring and the mold of the present invention.
Fig. 2 is a schematic structural view of the middle limit bolt of the present invention.
Fig. 3 is the structure schematic diagram of the utility model after the optimization of the middle limit bolt.
Fig. 4 is a schematic structural diagram of the middle delay structure of the present invention when connected with a mold.
The labels in the above figures are:
1. blank holder, 2, locating hole, 3, cross-under hole, 4, lower mould, 5, bolt pole, 6, arc direction head.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in further detail with reference to the accompanying drawings.
A time delay structure for a soft mold thermal forming mold comprises an upper mold, a lower mold 4 and a blank holder 1, wherein the time delay structure comprises a limiting mechanism, the limiting mechanism comprises a limiting bolt and an inserting hole arranged on the mold, and the inserting hole comprises a positioning hole 2 arranged on the blank holder 1 and a through hole 3 arranged on the lower mold 4; the limiting bolt penetrates through the through hole 3 to be connected with the positioning hole 2 in the blank holder 1; the utility model discloses a time delay structure, the time delay structure is applied to the flexible membrane thermoforming mould, specifically, the utility model discloses a time delay structure mainly includes spacing bolt, and spacing bolt passes lower mould 4 and is connected with blank holder 1 after pushing down, specifically, in the utility model discloses in upper mould and lower mould 4 all include a plurality of parts, for example lower mould 4 includes lower mould 4 seat, spacing post etc.; in addition, in order to facilitate the insertion of the limiting bolt, the limiting mechanism of the utility model also comprises an insertion hole, the insertion hole mainly comprises a through hole 3 arranged on the lower die 4, the through hole 3 is arranged, the limiting bolt can conveniently pass through the lower die 4, the subsequent positioning operation of the blank holder 1 is convenient, meanwhile, the utility model discloses a positioning hole 2 is arranged on the blank holder 1, the positioning hole 2 is used for the insertion fixation between the end part of the limiting bolt and the blank holder 1, when in use, the blank holder 1 is extruded to the lower die 4 to be positioned, and then the limiting bolt is manually held to pass through the through hole 3 on the seat of the lower die 4 to be connected with the positioning hole 2 on the blank holder 1; the utility model can limit the position of the blank holder 1 well by the arrangement of the time delay mechanism; thereby avoiding the blank holder 1 from moving upwards to cause the part to be extruded by the blank holder 1 and damaged and deformed when the mould is opened.
Furthermore, the limiting bolt of the utility model comprises a bolt rod 5, and an arc-shaped guide head 6 is arranged at the end part of the bolt rod 5; the bolt rod 5 is of a cylindrical structure and mainly plays a role in limiting and fixing, the bolt rod 5 and a lower die 4 seat are generally in transition fit, the bolt rod 5 can be in threaded connection with the through hole 3 of the lower die 4 according to needs, and the connection mode can better ensure the connection stability of the bolt rod 5 and the lower die 4; additionally, the utility model discloses in, for the grafting of convenient spacing bolt the utility model discloses 5 tip of well cotter pin pole are equipped with arc direction head 6, and arc direction head 6 plays fine guide effect, and then has made things convenient for the grafting of spacing bolt.
Furthermore, in the utility model, the arc-shaped guide head 6 is of a frustum shape; the arc-shaped guide head 6 with the frustum-shaped structure is designed, so that the end part of the arc-shaped guide head 6 is of a plane structure, and the end part of the bolt rod 5 is prevented from having a tip part, namely, the end part of the limiting bolt is prevented from having a tip structure; and then can avoid follow-up spacing bolt tip to the wearing and tearing of locating hole 2.
In addition, in the invention, the arc-shaped guide head is connected with the plug rod through the screwed part, the screwed part comprises a threaded rod 61 arranged on the arc-shaped guide head, a threaded hole 51 is arranged at the end part of the plug rod, and the arc-shaped guide head is screwed in the threaded hole 51 at the end part of the plug rod through the threaded rod 61; such setting has made things convenient for the change between arc direction head and the inserted bar, is favorable to improving the utility model discloses an application scope.
Furthermore, the delay structure in the utility model at least comprises two limiting mechanisms, and the two limiting mechanisms are distributed at intervals; the utility model is provided with at least two limiting mechanisms, so that the time delay structure can more stably limit the blank holder 1, and the problem that the blank holder 1 is easy to deflect around a single limiting bolt when the single limiting bolt limits the blank holder 1 is avoided; meanwhile, in the utility model, the bolt rods 5 of the two limiting mechanisms are arranged on the same plane on the lower die 4; the two bolt rods 5 adopt the design mode, so that a plane can be determined; the two bolt rods 5 adopt the arrangement mode, so that the two bolt rods 5 are equivalent to the equal-height design; based on the disclosure, the utility model facilitates the plugging operation of the operator to the plug rod 5.
The specific operation mode is as follows:
heating a 920-DEG thermal forming laser tailor-welded blank, placing the laser tailor-welded blank into a lower die 4 by using an end pick-up for positioning, moving an upper die downwards, pressing a limiting column on a blank holder 1 by using a balancing boss of the upper die to move downwards, pushing the blank holder 1 of the lower die 4 by using the limiting column to press the laser tailor-welded blank to move downwards, and arranging a common nitrogen cylinder below the blank holder 1; the upper die core and the female die press the laser tailor-welded blank to run to the bottom, at the moment, a limiting bolt is manually inserted into a limiting hole of a lower die 4 seat, the limiting bolt penetrates through a through hole 3 on the lower die 4 seat and is simultaneously inserted into a positioning hole 2 of a blank holder 1 of the lower die 4, after the pressure of a hot forming soft die is maintained for 15 seconds, the die starts to be opened, the upper die moves upwards, at the moment, the time delay limiting bolt limits the blank holder 1 to move upwards, the blank holder 1 of the lower die 4 keeps not moving, and the blank holder 1 of the lower die 4 cannot damage parts with higher temperature, so that the parts are deformed; after the quenched hot formed part is taken out, the upper die moves downwards to push the blank holder 1 to the bottom, the limiting bolt is taken out, and parts are prepared to be produced next time; the problem of sampling deformation of the door ring is well solved, meanwhile, the manufacturing cost of the door ring thermal forming soft die is reduced, the cost of using the time delay nitrogen cylinder by the time delay structure is reduced, and the device is simple in structure, convenient to operate and easy to realize; has good practical production significance.
Obviously the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial improvements made by the method concept and technical solution of the present invention are all within the protection scope of the present invention.
Claims (5)
1. A time delay structure for a soft mold thermal forming mold comprises an upper mold, a lower mold and a blank holder, and is characterized in that the time delay structure comprises a limiting mechanism, the limiting mechanism comprises a limiting bolt and an inserting hole arranged on the mold, and the inserting hole comprises a positioning hole arranged on the blank holder and a through hole arranged on the lower mold; and the limiting bolt penetrates through the through hole to be connected with the positioning hole in the blank holder.
2. The delay structure for a soft mold thermoforming mold as claimed in claim 1, wherein the limiting latch comprises a latch rod, and an arc-shaped guide head is provided at an end of the latch rod.
3. The delay structure for a soft mold thermoforming mold as claimed in claim 2, wherein the arc-shaped guide head is of a frustum shape.
4. The delay structure for a soft mold thermoforming mold as claimed in claim 1, wherein the delay structure comprises at least two position-limiting mechanisms, and the two position-limiting mechanisms are spaced apart from each other.
5. The time delay structure for a soft mold thermoforming mold as claimed in claim 4, wherein the latch rods of the two limiting mechanisms are disposed on the same plane on the lower mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395143.5U CN215998351U (en) | 2021-09-30 | 2021-09-30 | Time delay structure for soft mold thermal forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395143.5U CN215998351U (en) | 2021-09-30 | 2021-09-30 | Time delay structure for soft mold thermal forming mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215998351U true CN215998351U (en) | 2022-03-11 |
Family
ID=80523236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122395143.5U Active CN215998351U (en) | 2021-09-30 | 2021-09-30 | Time delay structure for soft mold thermal forming mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215998351U (en) |
-
2021
- 2021-09-30 CN CN202122395143.5U patent/CN215998351U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240428 Address after: 241000 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee after: CHERY AUTOMOBILE Co.,Ltd. Country or region after: China Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. Country or region before: China |