CN221064040U - Hole flanging structure for hot forming plate - Google Patents
Hole flanging structure for hot forming plate Download PDFInfo
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- CN221064040U CN221064040U CN202322410971.0U CN202322410971U CN221064040U CN 221064040 U CN221064040 U CN 221064040U CN 202322410971 U CN202322410971 U CN 202322410971U CN 221064040 U CN221064040 U CN 221064040U
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- hole flanging
- hole
- wall
- fixedly connected
- plate
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- 238000003856 thermoforming Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a hole flanging structure for a hot forming plate, which comprises a lower die set and an upper die set, wherein the lower die set comprises a lower die holder, a lower base plate and a lower die plate which are sequentially arranged from bottom to top, the lower base plate and the lower die plate are fixedly connected with the lower die holder through fixing bolts, hole flanging grooves are formed in the middle of the lower base plate and the lower die plate, an electric push rod is fixedly connected to the inner wall of the bottom of the hole flanging groove, a hole flanging column is fixedly connected to the top end of the electric push rod, a hot forming plate is arranged on the outer wall of the top of the lower die plate, a hole flanging is stamped on the surface of the hot forming plate, and the bottom end of the hole flanging is conical and the cone angle is 20 degrees. According to the utility model, the bottom end of the hole flanging structure is improved into a conical shape, the cone angle is 20 degrees, the demoulding angle is increased, so that a semi-finished part is easy to take out from the hole flanging pin, the conditions of direct hole flanging clamping and part ejection deformation are avoided, the quality of a produced product is greatly improved, and the reject ratio is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of thermoforming, in particular to a hole flanging structure for a thermoforming plate.
Background
Along with the development of the automobile industry, energy conservation, environmental protection, safety and intelligence become new trends of automobile development, lightweight is widely applied to the automobile field, thermoforming is generated, sheet positioning needs to be prioritized in the forming process, and part stability is directly improved.
In thermoforming, in order to guarantee the stability of later procedures, need be through hole flanging location, traditional straight hole flanging location because thermoforming part expends with heat and contracts with cold, after the shaping, semi-manufactured goods card is on hole flanging pin easily, is unfavorable for the part to take out, can warp in the jack-up process, influences the quality of part.
In view of the above, the present utility model proposes a hole flanging structure for hot forming plate, so as to solve the above-mentioned problems of the prior art.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a hole flanging structure for a hot forming plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a be used for thermoforming sheet material to turn over hole structure, includes lower mould group and last mould group, lower mould group includes die holder, lower bolster and the lower bolster that follow supreme set gradually down, and lower bolster pass through fixing bolt and die holder fixed connection, lower bolster and lower bolster middle part are provided with the hole flanging groove, and hole flanging groove bottom inner wall fixedly connected with electric putter, electric putter top fixedly connected with hole flanging column, the thermoforming board has been placed to lower bolster top outer wall, and thermoforming board surface punching press has the hole flanging, hole flanging bottom sets up to conical, and the cone angle is 20 degrees.
Further, the upper die set comprises an upper die base, an upper base plate and an upper die plate which are sequentially arranged from top to bottom, and the upper base plate and the upper die plate are fixedly connected with the upper die base through fixing bolts.
Further, the outer wall of the bottom of the upper template is provided with a through hole, the through hole is matched with the hole flanging column, and the axis of the through hole is coincident with the axis of the hole flanging column.
Furthermore, guide posts are slidably connected to two sides of the upper die base, and the bottom ends of the guide posts are fixedly connected to the outer wall of the top of the lower die base.
Furthermore, push-out grooves are formed in two sides of the hole flanging groove, through grooves are formed in the top of the push-out grooves, and electromagnets are arranged on the inner walls of the bottoms of the push-out grooves.
Further, the inner wall of the push-out groove is slidably connected with a magnetic plate, a plurality of first connecting springs are fixedly connected between the magnetic plate and the electromagnet, and magnetic force generated after the electromagnet is electrified is mutually exclusive with the magnetic plate.
Further, the inner wall of the through groove is slidably connected with a push block, and the bottom end of the push block is fixedly connected with the outer wall of the top of the magnetic plate.
Further, the inner wall of the top of the through hole is fixedly connected with a second connecting spring, the bottom end of the second connecting spring is fixedly connected with a die sleeve, and the outer wall of the bottom of the die sleeve is provided with a containing groove.
The beneficial effects of the utility model are as follows:
1. Through improving hole flanging structure bottom conical, the cone angle is 20 degrees, has increased the drawing of patterns angle for semi-manufactured goods part is easily taken out from hole flanging round pin, has avoided straight hole flanging card material, the ejecting deformation's of part condition, thereby has promoted the product quality of production greatly, greatly reduced the defective rate.
2. Through setting up electro-magnet, magnetic plate and ejector pad, when accomplishing the hole flanging to the thermoforming board, the circular telegram to the electro-magnet, the magnetic force that produces after the electro-magnet circular telegram is mutually exclusive with the magnetic plate to can be convenient for thermoforming board and hole flanging post separation, promote and get material speed.
3. Through setting up the die sleeve, connecting spring two and holding tank, at the in-process of hole flanging the post to hot forming board hole flanging, hole flanging post upper portion can stretch into in the holding tank of die sleeve, and the edge perk of hole flanging can be with die sleeve bottom contact, at connecting spring two's elasticity effect, can press the edge of hole flanging to avoid hole flanging in-process appearance burr or deckle edge.
Drawings
Fig. 1 is a schematic structural view of a hole flanging structure for a hot-formed sheet material according to embodiment 1;
fig. 2 is a schematic diagram of a punched hole flanging structure for a hot-formed sheet metal hole flanging structure according to embodiment 1;
Fig. 3 is a schematic diagram of a hole flanging structure for a hole flanging structure of a hot-formed sheet material according to embodiment 1;
FIG. 4 is a schematic view of the structure A in FIG. 1 for a hole flanging structure of a hot-formed sheet material according to the embodiment 1;
Fig. 5 is a schematic cross-sectional view of a through hole for a hole flanging structure of a hot-formed sheet material according to embodiment 2.
In the figure: 1. a lower die holder; 2. a lower backing plate; 3. a lower template; 4. a guide post; 5. an upper die holder; 6. an upper backing plate; 7. an upper template; 8. a thermoforming plate; 9. hole flanging grooves; 10. hole flanging columns; 11. an electric push rod; 12. a through hole; 13. hole flanging; 14. conical shape; 15. an electromagnet; 16. a push-out groove; 17. a through groove; 18. a pushing block; 19. a magnetic plate; 20. a first connecting spring; 21. a die sleeve; 22. a second connecting spring; 23. an accommodating groove.
Detailed Description
Example 1
Referring to fig. 1-4, a hole flanging structure for a hot forming plate comprises a lower die set and an upper die set, wherein the lower die set comprises a lower die holder 1, a lower base plate 2 and a lower die plate 3 which are sequentially arranged from bottom to top, the lower base plate 2 and the lower die plate 3 are fixedly connected with the lower die holder 1 through fixing bolts, a hole flanging groove 9 is formed in the middle of the lower base plate 2 and the lower die plate 3, an electric push rod 11 is fixedly connected with a hole flanging column 10 on the top end of the electric push rod 11, a hot forming plate 8 is arranged on the outer wall of the top of the lower die plate 3, a hole flanging 13 is stamped on the surface of the hot forming plate 8, the bottom end of the hole flanging 13 is arranged to be conical 14, the cone angle is 20 degrees, and the cone angle is 20 degrees by improving the bottom end of the hole flanging structure, so that the demoulding angle is increased, the semi-finished parts are easy to be taken out from the hole flanging pin, the situation of straight hole flanging clamping and the ejection deformation of the parts is avoided, the quality of the produced products is greatly improved, and the reject ratio is greatly reduced.
The upper die set comprises an upper die base 5, an upper base plate 6 and an upper die plate 7 which are sequentially arranged from top to bottom, and the upper base plate 6 and the upper die plate 7 are fixedly connected with the upper die base 5 through fixing bolts.
Wherein, the outer wall of the bottom of the upper template 7 is provided with a through hole 12, the through hole 12 is matched with the hole flanging column 10, the axis of the through hole 12 is coincident with the axis of the hole flanging column 10, and when the hole flanging column 10 is used for flanging the hot forming plate 8, the upper end of the hole flanging column 10 can extend into the through hole 12, so that the hole flanging work is ensured.
Wherein, upper die base 5 both sides all sliding connection has guide post 4, and the equal fixed connection in die holder 1 top outer wall of guide post 4 bottom can guarantee the accurate reciprocates of upper die set through guide post 4 to guarantee hole flanging 13 quality.
Wherein, hole flanging groove 9 both sides all are provided with ejecting groove 16, and ejecting groove 16 top is provided with logical groove 17, and ejecting groove 16 bottom inner wall is provided with electro-magnet 15, when hole flanging to thermoforming board 8 is accomplished, makes the electro-magnet 15 in ejecting groove 16 switch on.
The inner wall of the push-out slot 16 is slidably connected with a magnetic plate 19, a plurality of first connecting springs 20 are fixedly connected between the magnetic plate 19 and the electromagnet 15, and magnetic force generated after the electromagnet 15 is electrified is mutually exclusive with the magnetic plate 19, so that the magnetic plate 19 can be pushed to stretch the first connecting springs 20 to move upwards.
Wherein, the inner wall sliding connection of logical groove 17 has ejector pad 18, and ejector pad 18 bottom fixed connection is in magnetic plate 19 top outer wall, makes ejector pad 18 stretch out from logical groove 17 to can be convenient for thermoforming board 8 and hole flanging column 10 separation, promote the material speed of getting.
Working principle: the hot forming plate 8 is placed on the lower die plate 3 of the lower die set, the part needing hole flanging is aligned with the hole flanging groove 9, then the upper die set moves downwards along the guide post 4, the upper die plate 7 of the upper die set contacts with the hot forming plate 8, the hot forming plate 8 can be clamped and fixed, then the electric push rod 11 is started, the hole flanging 13 can be formed on the outer wall of the hot forming plate 8 through the hole flanging post 10, the conical shape is improved at the bottom end of the hole flanging structure, the taper angle is 20 degrees, the demoulding angle is increased, the semi-finished part is easy to take out from the hole flanging pin, the direct hole flanging clamping is avoided, the ejection deformation of the part is avoided, the quality of the produced product is greatly improved, the reject ratio is greatly reduced, after the hole flanging of the hot forming plate 8 is completed, the electromagnet 15 in the push-out groove 16 is electrified, the magnetic force generated after the electromagnet 15 is electrified and the magnetic plate 19 are pushed, the magnetic plate 19 is stretched and the connecting spring 20 is moved upwards, the push block 18 extends out of the through groove 17, the hole flanging 8 can be separated from the hole flanging post 10 conveniently, and the material taking speed is increased.
Example 2
Referring to fig. 5, in comparison with embodiment 1, the inner wall of the top of the through hole 12 is fixedly connected with the second connecting spring 22, the bottom end of the second connecting spring 22 is fixedly connected with the die sleeve 21, and the outer wall of the bottom of the die sleeve 21 is provided with the accommodating groove 23, so that burrs or raw edges at the edge of the hole 13 can be prevented.
Working principle: through setting up die sleeve 21, coupling spring two 22 and holding tank 23, at the in-process of hole flanging post 10 to hot forming board 8 hole flanging, hole flanging post 10 upper portion can stretch into in the holding tank 23 of die sleeve 21, and the edge perk of hole flanging 13 can be with die sleeve 21 bottom contact, at coupling spring two 22's elasticity effect, can press the edge of hole flanging 13 to avoid hole flanging in-process appearance burr or deckle edge.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. Be used for thermoforming sheet material hole flanging structure, including lower module and last module, its characterized in that, lower module is including die holder (1), lower bolster (2) and lower bolster (3) that follow supreme setting gradually down, and lower bolster (2) and lower bolster (3) pass through fixing bolt and die holder (1) fixed connection, lower bolster (2) and lower bolster (3) middle part is provided with hole flanging groove (9), and hole flanging groove (9) bottom inner wall fixedly connected with electric putter (11), electric putter (11) top fixedly connected with hole flanging column (10), thermoforming board (8) have been placed to lower bolster (3) top outer wall, and thermoforming board (8) surface punching has hole flanging (13), hole flanging (13) bottom sets up to conical (14), and the cone angle is 20 degrees.
2. The hole flanging structure for the hot-forming plate according to claim 1, wherein the upper die set comprises an upper die holder (5), an upper base plate (6) and an upper die plate (7) which are sequentially arranged from top to bottom, and the upper base plate (6) and the upper die plate (7) are fixedly connected with the upper die holder (5) through fixing bolts.
3. The hole flanging structure for the hot-forming plate according to claim 2, wherein the outer wall of the bottom of the upper die plate (7) is provided with a through hole (12), the through hole (12) is matched with the hole flanging column (10), and the axis of the through hole (12) is coincident with the axis of the hole flanging column (10).
4. The hole flanging structure for the hot-forming plate according to claim 3, wherein guide posts (4) are slidably connected to two sides of the upper die holder (5), and bottom ends of the guide posts (4) are fixedly connected to the outer wall of the top of the lower die holder (1).
5. The hole flanging structure for the hot-forming plate according to claim 1, wherein the two sides of the hole flanging groove (9) are provided with push-out grooves (16), the tops of the push-out grooves (16) are provided with through grooves (17), and the inner walls of the bottoms of the push-out grooves (16) are provided with electromagnets (15).
6. The hole flanging structure for the hot-forming plate according to claim 5, wherein the inner wall of the push-out groove (16) is slidably connected with a magnetic plate (19), a plurality of first connecting springs (20) are fixedly connected between the magnetic plate (19) and the electromagnet (15), and magnetic force generated after the electromagnet (15) is electrified is mutually exclusive with the magnetic plate (19).
7. The hole flanging structure for the hot-forming plate according to claim 6, wherein the inner wall of the through groove (17) is slidably connected with a push block (18), and the bottom end of the push block (18) is fixedly connected with the top outer wall of the magnetic plate (19).
8. The hole flanging structure for the hot-forming plate according to claim 3, wherein the inner wall of the top of the through hole (12) is fixedly connected with a second connecting spring (22), the bottom end of the second connecting spring (22) is fixedly connected with a die sleeve (21), and a containing groove (23) is formed in the outer wall of the bottom of the die sleeve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322410971.0U CN221064040U (en) | 2023-09-06 | 2023-09-06 | Hole flanging structure for hot forming plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322410971.0U CN221064040U (en) | 2023-09-06 | 2023-09-06 | Hole flanging structure for hot forming plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221064040U true CN221064040U (en) | 2024-06-04 |
Family
ID=91251970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322410971.0U Active CN221064040U (en) | 2023-09-06 | 2023-09-06 | Hole flanging structure for hot forming plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221064040U (en) |
-
2023
- 2023-09-06 CN CN202322410971.0U patent/CN221064040U/en active Active
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