CN220880085U - Mould structure - Google Patents
Mould structure Download PDFInfo
- Publication number
- CN220880085U CN220880085U CN202322636251.6U CN202322636251U CN220880085U CN 220880085 U CN220880085 U CN 220880085U CN 202322636251 U CN202322636251 U CN 202322636251U CN 220880085 U CN220880085 U CN 220880085U
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- Prior art keywords
- die
- flanging
- positioning
- scraper
- hole
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- 238000007790 scraping Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a die structure, which comprises an upper die and a lower die, wherein the lower die comprises a lower die holder and a lower die core arranged on the lower die holder, a flanging die hole is formed in the lower die core, the upper die comprises an upper die holder, an upper die core arranged on the upper die holder and a flanging knife block arranged on the upper die holder, and the flanging knife block and the flanging die hole form a flanging forming structure for flanging a handle hole of a vehicle door outer plate; the lower mold core is fixedly connected with a positioning piece, the positioning piece is positioned in the flanging female mold hole, and the positioning piece is used for positioning a handle hole of the outer plate of the automobile door; the flanging die hole is internally provided with a scraper, the scraper is provided with a plurality of scraping heads for upwards pushing the handle hole of the outer plate of the vehicle door to be flanged in the demolding process of the outer plate of the vehicle door, and the scraping heads and the positioning pieces are staggered. According to the utility model, the positioning piece and the material pressing device are reasonably arranged, so that the door outer plate can be reliably and stably positioned when the handle hole of the door outer plate is turned.
Description
Technical Field
The utility model relates to a die, in particular to a die structure.
Background
Part of automobiles adopt hidden door handles, the hidden door handles have higher structural accuracy requirements on handle holes on the outer plate of the automobile door, but the outer plate of the automobile door is integrally and flatly molded, and the outer plate of the automobile door is more difficult to position.
In order to ensure the structural accuracy of the handle hole, a handle hole positioning structure is generally arranged in a handle hole flanging die, the handle hole positioning structure comprises a positioning block fixedly arranged on a scraper of the handle hole flanging die, and the positioning accuracy of the outer plate of the vehicle door is improved by utilizing the cooperation of the positioning block and the handle hole.
The handle hole positioning structure has the following technical problems: the scraper is of a floating structure, the positioning block floats along with the scraper, the abrasion of parts of the scraper is increased along with the increase of the working times of the scraper, the positioning precision of the positioning block is gradually attenuated, and the positioning effect is difficult to guarantee.
Disclosure of utility model
The present utility model aims to provide a mold structure, which alleviates or eliminates at least one of the above-mentioned technical problems.
The utility model discloses a die structure, which comprises an upper die and a lower die, wherein the lower die comprises a lower die holder and a lower die core arranged on the lower die holder, a flanging die hole is formed in the lower die core, the upper die comprises an upper die holder, an upper die core arranged on the upper die holder and a flanging knife block arranged on the upper die holder, and the flanging knife block and the flanging die hole form a flanging forming structure for flanging a handle hole of a car door outer plate; the lower mold core is fixedly connected with a positioning piece, the positioning piece is positioned in the flanging female mold hole, and the positioning piece is used for positioning a handle hole of the outer plate of the automobile door; the flanging die hole is internally provided with a scraper, the scraper is provided with a plurality of scraping heads for upwards pushing the handle hole of the door outer plate to be flanged in the demolding process of the door outer plate, and the scraping heads and the positioning pieces are staggered.
Optionally, the positioning piece includes two positioning blocks, and two positioning blocks are respectively used for positioning two ends of the handle hole of the outer plate of the vehicle door.
Optionally, the cross sections of the two positioning blocks are in a T shape, and three ends of each positioning block are respectively used for positioning three edges of a handle hole of the outer plate of the vehicle door.
Optionally, the positioning piece further comprises a mounting seat fixedly connected to the lower mold core, and the two positioning blocks are fixedly connected to the mounting seat.
Optionally, two avoidance holes corresponding to the two positioning blocks are formed in the flanging knife block.
Optionally, the scraper comprises four scraping heads, and the four scraping heads are respectively positioned at four corners of the flanging die hole.
Optionally, the scraper further comprises a scraper seat, a mounting bolt and a reset spring, wherein the scraper seat is floatably mounted in the flanging die hole through the mounting bolt, the reset spring is arranged between the scraper seat and the lower die core and provides upward floating power assistance for the scraper seat, and a plurality of scraper heads are fixedly connected to the scraper seat.
Optionally, a nitrogen spring for driving the scraping seat to move downwards is arranged at the flanging knife block.
Optionally, the upper die further comprises a presser arranged on the upper die holder.
Optionally, the lower mould includes a plurality of lower mould core, a plurality of all be provided with on the lower mould core turn-ups die orifice, go up the mould include a plurality of respectively with a plurality of lower mould core correspond go up the mould core and a plurality of respectively with a plurality of turn-ups die orifice correspond turn-ups sword piece.
According to the utility model, the positioning piece and the material pressing device are reasonably arranged, so that the door outer plate can be reliably and stably positioned when the handle hole of the door outer plate is turned.
Drawings
FIG. 1 is a cross-sectional view of a mold structure at a flanging die hole as described in the embodiment;
FIG. 2 is a top view of a lower die according to an embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a bottom view of the upper die in the exemplary embodiment;
FIG. 5 is an enlarged partial view of FIG. 4;
FIG. 6 is a schematic view showing the structure of a door outer panel according to the embodiment;
Fig. 7 is a partial enlarged view of fig. 6.
Wherein: 1-a lower die; 2-upper die; 3-an outer door panel;
11-a lower die holder; 12-lower mold core; 13-flanging die holes; 14-scraping seat; 15-mounting bolts; 16-scraping head; 17-a mounting base; 18-positioning blocks;
21-an upper die holder; 22-upper mold core; 23-flanging knife block; 24-nitrogen spring; 25-avoiding holes;
31-handle aperture.
Detailed Description
Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
The die structure as shown in fig. 1 to 5 comprises an upper die 2 and a lower die 1, wherein the lower die 1 comprises a lower die holder 11 and a lower die core 12 fixedly arranged on the lower die holder 11, a flanging die hole 13 with an upward orifice is arranged on the lower die core 12, the upper die 2 comprises an upper die holder 21, an upper die core 22 fixedly arranged on the upper die holder 21 and a flanging knife block 23 fixedly arranged on the upper die holder 21, the flanging knife block 23 is downwards arranged, and the flanging knife block 23 and the flanging die hole 13 form a flanging forming structure for flanging a handle hole 31 of the outer plate 3 of the vehicle door; the lower mold core 12 is fixedly connected with a positioning piece, the positioning piece is positioned in the flanging female mold hole 13, and the positioning piece is used for positioning a handle hole 31 of the outer plate 3 of the vehicle door; the flanging die hole 13 is internally provided with a scraper, the scraper is provided with a plurality of scraping heads 16 for upwards pushing the handle hole of the door outer plate 3 to be flanged in the demoulding process of the door outer plate 3, and the scraping heads 16 and the positioning pieces are staggered. By adopting the technical scheme, the positioning piece for positioning the handle hole 31 is arranged on the lower die 1, so that the positioning precision of the outer plate 3 of the vehicle door can be ensured, and the processing precision of the flanging of the handle hole can be further ensured; by fixedly connecting the positioning piece on the lower mold core 12, the negative influence on the positioning accuracy of the positioning piece caused by the floating of the scraper is avoided, and the positioning piece is further ensured to reliably and stably position the door outer plate 3 when the handle hole 31 of the door outer plate 3 is turned; the plurality of scraping heads 16 and the positioning piece of the scraper are staggered, so that interference between the plurality of scraping heads 16 and the positioning piece can be prevented, the plurality of scraping heads 16 can smoothly float up and descend, and normal operation of the scraper can be ensured.
In some embodiments, the positioning member includes two positioning blocks 18, and the two positioning blocks 18 are used to position the two ends of the handle hole 31 of the door outer panel 3, respectively. By adopting the technical scheme, the two positioning blocks 18 can be used for positioning the long-strip-shaped handle hole 31, and the method has the characteristic of easy realization. For example, the door outer panel 3 shown in fig. 6 and 7 is provided with a handle hole 31 corresponding to the hidden door handle, and the handle hole 31 is a bar-shaped hole. In particular, the two positioning blocks 18 and the plurality of scraping heads 16 are offset.
In some embodiments, the cross sections of the two positioning blocks 18 perpendicular to the up-down direction are each in a "T" shape, and the positioning block 18 having the "T" shape in cross section has three ends, and the three ends of each positioning block 18 are used for positioning three edges of the handle hole 31 of the door outer panel 3, respectively. By adopting the technical scheme, the contact area between the end part of the positioning block 18 and the edge of the handle hole 31 is smaller, and the matching difficulty between the handle hole 31 and the positioning piece is smaller; the positioning block 18 with the T-shaped cross section and the hole wall of the flanging die hole 13 can be used for accommodating the scraping head 16 and a space for the scraping head 16 to pass through, so that the arrangement difficulty of the scraping head 16 is reduced.
In some embodiments, the positioning member further comprises a mounting seat 17 fixedly connected to the lower mold core 12, and both positioning blocks 18 are fixedly connected to the mounting seat 17. By adopting the technical scheme, the locating piece can be fixedly installed on the lower die core 12 as a whole, and has the characteristic of easy installation. In particular embodiments, the mounting 17 may be fixedly attached to the lower core 12 by bolts.
In some embodiments, in order to prevent interference between the flanging knife block 23 and the positioning block 18, two avoidance holes 25 corresponding to the two positioning blocks 18 are provided on the flanging knife block 23.
In some embodiments, the scraper comprises four scraper heads 16, the four scraper heads 16 being located at four corners of the flanging die hole 13, respectively. By adopting the technical scheme, in the demolding process of the outer door plate 3, the four scraping heads 16 respectively push up the four corner parts of the flanging of the handle hole of the outer door plate 3 to provide uniform assistance for demolding of the outer door plate 3.
In some embodiments, the scraper further includes a scraper base 14, a mounting bolt 15, and a return spring, where the scraper base 14 is floatably mounted in the flanging die hole 13 by the mounting bolt 15, the return spring is disposed between the scraper base 14 and the lower die core 12, and the return spring provides an upward floating assistance force for the scraper base 14, and the plurality of scraper heads 16 are fixedly connected to the scraper base 14. As a specific example, the scraping seat 14 is provided with a matching hole in sliding fit with a screw rod of the mounting bolt 15, the screw rod of the mounting bolt 15 is fixedly connected with the lower mold core 12, a bolt head of the mounting bolt 15 defines a stroke top dead center of the scraping seat 14, a return spring is arranged on a compression spring at the lower side of the scraping seat 14, and the return spring upwards pushes against the scraping seat 14. By adopting the technical scheme, when the upper die 2 pushes down the scraping seat 14, the scraping seat 14 moves downwards, and when the upper die 2 resets upwards, the reset spring drives the scraping seat 14 to float upwards, and the plurality of scraping heads 16 jack up the handle hole flanging of the outer door plate 3 upwards.
In some embodiments, a nitrogen spring 24 for driving the scraping seat 14 to move downwards is arranged at the flanging knife block 23, and the nitrogen spring 24 is used for pushing the scraping seat 14 downwards. In practice, a nitrogen spring 24 is mounted in the flanging knife block 23.
In some embodiments, the upper die 2 further includes a presser mounted on the upper die holder 21 for pressing the door outer panel 3 during die closing.
In some embodiments, the lower die 1 includes a plurality of lower die cores 12, and the plurality of lower die cores 12 are provided with flanging die holes 13, and the upper die 2 includes a plurality of upper die cores 22 respectively corresponding to the plurality of lower die cores 12 and a plurality of flanging die blocks 23 respectively corresponding to the plurality of flanging die holes 13. By adopting the technical scheme, one set of die structure can process a plurality of car door outer plates 3, and is beneficial to improving the production efficiency.
In particular implementation, the lower mold core 12 is provided with a lower mold surface for supporting the door outer panel 3, the upper mold core 22 is provided with an upper mold surface for pressing the door outer panel 3, and the upper end portion of the positioning block 18 extends upward from the lower mold surface, so that the upper end portion of the positioning block 18 can position the door outer panel 3 placed on the lower mold surface.
The working process of the die structure is as follows:
The door outer panel 3 is placed on the lower die surface, and the handle hole 31 of the door outer panel 3 is positioned by a positioning piece;
the upper die 2 descends along with a stamping machine tool, the nitrogen spring 24 presses the scraping seat 14 to a stroke bottom dead center, the material pressing device presses the vehicle door outer plate 3 on the surface of the lower die, and the flanging knife block 23 performs flanging stamping forming on the handle hole of the vehicle door outer plate 3 along with the closing of the die structure;
The upper die 2 moves upwards along with the punching machine bed, the reset spring drives the scraping seat 14 and the scraping heads 16 to float upwards, and the scraping heads 16 jack up the outer door plate 3.
The positioning piece is fixedly connected to the lower mold core 12, and is not assembled on the scraper, so that the positioning effect of the positioning piece is improved, and the positioning piece is ensured to provide reliable and stable positioning.
The above embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. In the description of the present specification, a description referring to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the utility model in connection with the embodiment or example. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
Claims (10)
1. The die structure is characterized by comprising an upper die and a lower die, wherein the lower die comprises a lower die holder and a lower die core arranged on the lower die holder, a flanging die hole is formed in the lower die core, the upper die comprises an upper die holder, an upper die core arranged on the upper die holder and a flanging knife block arranged on the upper die holder, and the flanging knife block and the flanging die hole form a flanging forming structure for flanging a handle hole of a vehicle door outer plate; the lower mold core is fixedly connected with a positioning piece, the positioning piece is positioned in the flanging female mold hole, and the positioning piece is used for positioning a handle hole of the outer plate of the automobile door; the flanging die hole is internally provided with a scraper, the scraper is provided with a plurality of scraping heads for upwards pushing the handle hole of the door outer plate to be flanged in the demolding process of the door outer plate, and the scraping heads and the positioning pieces are staggered.
2. The mold structure according to claim 1, wherein the positioning member includes two positioning blocks for positioning both ends of the handle hole of the door outer panel, respectively.
3. The mold structure according to claim 2, wherein the cross sections of both the positioning blocks are "T" shaped, and three ends of each of the positioning blocks are respectively used for positioning three edges of a handle hole of a door outer panel.
4. The mold structure of claim 2, wherein the positioning member further comprises a mounting seat fixedly connected to the lower mold core, and both positioning blocks are fixedly connected to the mounting seat.
5. The die structure according to claim 2, wherein two avoidance holes corresponding to the two positioning blocks are provided on the flanging knife block.
6. The die structure of claim 1, wherein the scraper comprises four scraper heads, the four scraper heads being located at four corners of the flanging die hole, respectively.
7. The mold structure of claim 1, wherein the scraper further comprises a scraper seat, a mounting bolt and a return spring, the scraper seat is floatably mounted in the flanging die hole through the mounting bolt, the return spring is arranged between the scraper seat and the lower mold core, the return spring provides upward floating power for the scraper seat, and a plurality of scraper heads are fixedly connected to the scraper seat.
8. The die structure of claim 7, wherein a nitrogen spring for driving the scraper seat to move downward is provided at the flanging knife block.
9. The die structure of claim 1, wherein the upper die further comprises a swage mounted on the upper die base.
10. The die structure according to claim 1, wherein the lower die includes a plurality of the lower die cores, the plurality of the lower die cores are each provided with the burring die holes, and the upper die includes a plurality of the upper die cores respectively corresponding to the plurality of lower die cores and a plurality of the burring blocks respectively corresponding to the plurality of burring die holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322636251.6U CN220880085U (en) | 2023-09-27 | 2023-09-27 | Mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322636251.6U CN220880085U (en) | 2023-09-27 | 2023-09-27 | Mould structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220880085U true CN220880085U (en) | 2024-05-03 |
Family
ID=90876098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322636251.6U Active CN220880085U (en) | 2023-09-27 | 2023-09-27 | Mould structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220880085U (en) |
-
2023
- 2023-09-27 CN CN202322636251.6U patent/CN220880085U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |