CN202984446U - Thin material hole flanging mould - Google Patents
Thin material hole flanging mould Download PDFInfo
- Publication number
- CN202984446U CN202984446U CN 201220640409 CN201220640409U CN202984446U CN 202984446 U CN202984446 U CN 202984446U CN 201220640409 CN201220640409 CN 201220640409 CN 201220640409 U CN201220640409 U CN 201220640409U CN 202984446 U CN202984446 U CN 202984446U
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- Prior art keywords
- hole flanging
- hole
- floating block
- flanging
- lower bolster
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000007667 floating Methods 0.000 claims abstract description 60
- 238000004080 punching Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses a thin material hole flanging mould which comprises an upper mould and a lower mould. The upper mould comprises a first part and a second part. The first part is provided with a hole flanging punching needle. The second part comprises a stripping plate. A punching needle hole used for accommodating the hole flanging punching needle is formed in the stripping plate. The second part is connected with the first part through a first elastic mechanism. The lower mould comprises a lower template, a lower pad plate, and a lower mould base. According to improvement, a hole flanging insert corresponding to the hole flanging punching needle is embedded into the lower template, the hole flanging insert is composed of a hole flanging floating block and a hole flanging fixing block which are matched with each other, semi-holes are respectively formed in two opposite positions of the hole flanging floating block and the hole flanging fixing block, the hole flanging floating block is connected with the lower mould base through a second elastic mechanism, the hole flanging fixing block is fixed in the lower template through a fastening part, and the upper surface of the hole flanging fixing block and the upper surface of the lower template are located in the same one plane. The thin material hole flanging mould can prevent the problems of stripping and deforming and the like in the process of hole flanging.
Description
[technical field]
The utility model relates to hole flanging mold, relates in particular to a kind ofly to prevent that thin material workpiece from taking off the hole flanging mold of material distortion.
[background technology]
In thin material sheet metal mould stamping technology, hole flanging internal diameter, external diameter, hole flanging height dimension require precisely, and it is yielding that hole flanging takes off material in a traditional way, and qualification rate is low etc., is the hard nut to crack that perplexs for a long time die forming.The structure that existing hole flanging takes off the material mould is that the caving pin ejects in the hole flanging hole or hole flanging periphery adds the structure of thimble.Product hole flanging region deformation very easily appears so that product rejection.It is above-mentioned that the insider has also used various methods to deal with, but all produce little effect.
[summary of the invention]
The purpose of this utility model is effectively to overcome above-mentioned deficiency, provides a kind of and prevents that thin material workpiece from taking off the hole flanging mold of material distortion.
the technical solution of the utility model is achieved in that a kind of thin material hole flanging mold, be used for making on thin material workpiece by punching press forming hole flanging, described hole flanging is comprised of the vertical tooth form section that is formed at the hole on thin material workpiece and routs up downwards at bore edges, this hole flanging mold comprises patrix and counterdie, pick a pocket on described and draw together first and second portion, described first is provided with the hole flanging red needle, described second portion comprises a stripper plate, the stripper plate of telling is provided with the red needle hole of admitting described hole flanging red needle, described second portion is connected with described first by the first elastic mechanism, described counterdie comprises lower bolster, lower bolster and die shoe, and its improvement is:
Be inlaid with a hole flanging mold insert corresponding with described hole flanging red needle in described lower bolster, described hole flanging mold insert is comprised of the hole flanging floating block that is complementary and hole flanging fixed block, on described hole flanging floating block and hole flanging fixed block, two relative positions are respectively equipped with half hole, described hole flanging floating block is connected with described die shoe by one second elastic mechanism, so that described hole flanging floating block can move up and down in lower bolster; Described hole flanging fixed block is fixed in lower bolster by securing member, and its upper surface and lower bolster upper surface are positioned at same plane;
This hole flanging mold has the first state and the second state, under described the first state, under the effect of the first elastic mechanism, has the gap between described first and second portion, and described hole flanging red needle is hidden in red needle hole on described stripper plate; Described stripper plate separates with described lower bolster, and described hole flanging floating block is under the effect of the second elastic mechanism, and the lower bolster upper surface is stretched out in its upper end;
Under described the second state, described second portion and first offset, described stripper plate is pressed on workpiece on lower bolster, under the stripper plate pressure-acting, described hole flanging floating block upper surface and described lower bolster upper surface flush, half hole coupling on half hole on the hole flanging floating block and described hole flanging fixed block form a forming hole that is used for holding described tooth form section; Described hole flanging red needle is inserted in described forming hole.
The below further sets forth technique scheme:
On described hole flanging floating block and hole flanging fixed block, two relative sides are respectively equipped with a holding tank, under described the second state, two holding tank couplings form a container cavity, be provided with one and be used for limiting the high spacing mold insert of described tooth form section tooth highly in described container cavity, the high spacing mold insert of described tooth be provided with one with the be complementary drift hole that falls of described hole flanging punch, the described drift hole that falls is positioned at described forming hole below, and coaxial with described forming hole.
On described lower bolster, a side of hole flanging floating block is provided with a floating block pressing plate, a side near the hole flanging floating block on described floating block pressing plate is provided with a positive stop lug boss, described hole flanging floating block is provided with a stop section that is positioned at positive stop lug boss below, under described the first state, described stop section and described positive stop lug boss offset, under described the second state, has spacing between described stop section and described positive stop lug boss.
Described the second elastic mechanism comprises spring, thimble and set screw, be provided with the installing hole that can hold described spring and set screw in described die shoe, described set screw is fixedly connected in installing hole, described spring lower end and set screw offset, described thimble lower end and spring upper end offset, and through hole and described hole flanging floating block bottom that the thimble upper end is passed on lower bolster offset.
Described first comprises upper bolster and train wheel bridge, and described second portion also comprises baffle plate, and described baffle plate is connected in the stripper plate upper surface.
Described the first elastic mechanism is spring.
the beneficial effects of the utility model are: one, hole flanging mold of the present utility model are designed to the hole flanging mold insert split-type structural that is comprised of hole flanging floating block and hole flanging fixed block, under patrix and counterdie released state, the hole flanging floating block is under the effect of the second elastic mechanism, and the lower bolster upper surface is stretched out in its upper end, therefore, when patrix and counterdie matched moulds, stripper plate is pressed in workpiece on lower bolster, under the stripper plate pressure-acting, hole flanging floating block upper surface and described lower bolster upper surface flush, half hole coupling on half hole on the hole flanging floating block and described hole flanging fixed block form a forming hole that is used for holding described tooth form section, the hole flanging red needle is inserted in described forming hole, carry out hole flanging processing, after being depressed into the dead point, the moulding of workpiece punching press hole flanging, after the hole flanging moulding, patrix rises, stripper plate is under the effect of the first elastic mechanism, make the workpiece after punch forming leave stripper plate, meanwhile, under the effect of the second elastic mechanism, the vertical jack-up of hole flanging floating block, workpiece is ejected, and this moment, by due to half Kong Shangyi on the hole flanging floating block, with half hole on the hole flanging fixed block not at same plane, namely on workpiece this moment, the tooth form section of hole flanging only is arranged in half hole of hole flanging fixed block, so, when workpiece is ejected by the hole flanging floating block, make tooth form section or the Kong Buhui distortion of workpiece, the hole flanging that remains intact, simultaneously, workpiece can be bonded on lower bolster by vertical jack-up yet, the high spacing mold insert of the tooth that two, arranges in the hole flanging mold insert, the upper end of the high spacing mold insert of tooth is positioned at the forming hole below of hole flanging mold insert, the hole flanging red needle is in punching course, under the effect of the high spacing mold insert of tooth, the tooth form section that forms extends the high spacing mold insert of tooth upper end by forming hole, is blocked by the high spacing mold insert of tooth, therefore, the high spacing mold insert of this tooth can limit tooth form section height, keeps tooth form section structural integrity height consistent.
[description of drawings]
Fig. 1 touches the downstream state structural representation in the utility model;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 touches the structural representation that comes downwards to the dead point state in the utility model;
Fig. 4 is the partial enlarged drawing at B place in Fig. 3;
Fig. 5 is the structural representation of touching in the utility model with the counterdie released state;
Fig. 6 is the partial enlarged drawing at C place in Fig. 5;
In figure: upper bolster 1; Train wheel bridge 2; Baffle plate 3; Stripper plate 4; Die shoe 5; Lower bolster 6; Lower bolster 7; The first elastic mechanism 8; Hole flanging red needle 9; Sleeve 10; Screw 11; Set screw 12; Spring 13; Thimble 14; Red needle hole 15; Hole flanging floating block 16; Half hole 161; Hole flanging fixed block 17; Half hole 171; The high spacing mold insert 18 of tooth; The drift hole 181 that falls; Floating block pressing plate 19; Workpiece 20; Tooth form section 201; Positive stop lug boss 21; Stop section 22.
[specific embodiment]
The utility model will be further described below in conjunction with drawings and Examples.
Referring to figs. 1 through shown in Figure 6, the utility model has disclosed a kind of thin material hole flanging mold, be used for making on thin material workpiece 20 by punching press forming hole flanging, described hole flanging is comprised of the vertical tooth form section 201 that is formed at the hole on thin material workpiece 20 and routs up downwards at bore edges, this hole flanging mold comprises patrix and counterdie, pick a pocket on described and draw together upper bolster 1, train wheel bridge 2, baffle plate 3 and stripper plate 4, upper bolster 1 and train wheel bridge 2 are first, baffle plate 3 and stripper plate 4 are second portion, and baffle plate 3 is connected in stripper plate 4 upper surfaces; Be provided with hole flanging red needle 9 in train wheel bridge 2, stripper plate 4 is provided with the red needle hole 15 of admitting described hole flanging red needle 9, stop catch plate one end is connected with described first by the first elastic mechanism 8, the other end is slidably connected with first by screw 11 and sleeve 10, so that first can move up and down under the effect of the first elastic mechanism 8.Better, the first elastic mechanism 8 can adopt spring 13, so that stripper plate 4 takes off material.
Counterdie comprises lower bolster 7, lower bolster 6 and die shoe 5, be inlaid with a hole flanging mold insert corresponding with described hole flanging red needle 9 in described lower bolster 7, described hole flanging mold insert is comprised of the hole flanging floating block 16 that is complementary and hole flanging fixed block 17, on described hole flanging floating block 16 and hole flanging fixed block 17, two relative positions are respectively equipped with half hole 161,171, described hole flanging floating block 16 is connected with described die shoe 5 by one second elastic mechanism, so that described hole flanging floating block 16 can move up and down in lower bolster 7; Described hole flanging fixed block 17 is fixed in lower bolster 7 by securing member, and its upper surface and lower bolster 7 upper surfaces are positioned at same plane.
This hole flanging mold has the first state and the second state, this first state is patrix and counterdie matched moulds state, the second state is patrix and counterdie die opening state, under described the first state, under the effect of the first elastic mechanism 8, have the gap between described first and second portion, described hole flanging red needle 9 is hidden in red needle hole 15 on described stripper plate 4; Described stripper plate 4 separates with described lower bolster 7, and described hole flanging floating block 16 is under the effect of the second elastic mechanism, and lower bolster 7 upper surfaces are stretched out in its upper end.
Under described the second state, described second portion and first offset, described stripper plate 4 is pressed on workpiece 20 on lower bolster 7, under stripper plate 4 pressure-actings, hole flanging floating block 16 upper surfaces and described lower bolster 7 upper surface flush, half hole 161 on hole flanging floating block 16 and half hole 171 couplings on described hole flanging fixed block 17 form a forming hole that is used for holding described tooth form section 201; Described hole flanging red needle 9 is inserted in described forming hole.
Further, on described hole flanging floating block 16 and hole flanging fixed block 17, two relative sides are respectively equipped with a holding tank, under described the second state, two holding tank couplings form a container cavity, be provided with a high spacing mold insert 18 of tooth that is used for limiting described tooth form section 201 height in described container cavity, the high spacing mold insert 18 of described tooth be provided with one with the be complementary drift hole 181 that falls of described hole flanging punch, the described drift hole 181 that falls is positioned at described forming hole below, and coaxial with described forming hole.
Further, on described lower bolster 7, a side of hole flanging floating block 16 is provided with a floating block pressing plate 19, a side near hole flanging floating block 16 on described floating block pressing plate 19 is provided with a positive stop lug boss 21, described hole flanging floating block 16 is provided with a stop section 22 that is positioned at positive stop lug boss 21 belows, under described the first state, described stop section 22 offsets with described positive stop lug boss 21, under described the second state, has spacing between described stop section 22 and described positive stop lug boss 21.
In the present embodiment, described the second elastic mechanism comprises spring 13, thimble 14 and set screw 12, be provided with the installing hole that can hold described spring 13 and set screw 12 in described die shoe 5, described set screw 12 is fixedly connected in installing hole, described spring 13 lower ends and set screw 12 offset, described thimble 14 lower ends and spring 13 upper ends offset, and through hole and described hole flanging floating block 16 bottoms that thimble 14 upper ends are passed on lower bolster 6 offset.
in the specific works engineering, place the workpiece 20 for the treatment of hole flanging on lower bolster 7, at this moment, patrix and counterdie are in released state, and hole flanging floating block 16 is under the effect of the second elastic mechanism, and lower bolster 7 upper surfaces are stretched out in its upper end, after beginning, patrix descends, stripper plate 4 descending and the contact workpiece 20, along with patrix continues to descend, stripper plate 4 is pressed in workpiece 20 on lower bolster 7, under stripper plate 4 pressure-actings, the second elastic mechanism compression, hole flanging floating block 16 upper surfaces and described lower bolster 7 upper surface flush, half hole 161 on hole flanging floating block 16 and half hole 171 couplings on described hole flanging fixed block 17 form a forming hole that is used for holding described tooth form section 201, hole flanging red needle 9 is inserted in described forming hole, carry out hole flanging processing, after stripper plate 4 is depressed into the dead point, baffle plate 3 and the train wheel bridge 2 of patrix offset, hole flanging red needle 9 is descending to put in place, workpiece 20 hole flangings are completed, after hole flanging is completed, patrix rises, stripper plate 4 is (recovery deformation) under the effect of the first elastic mechanism 8, make the workpiece 20 after punch forming leave stripper plate 4, meanwhile, under the effect of the second elastic mechanism (recovery deformation), the vertical jack-up of hole flanging floating block 16, workpiece 20 is ejected, and patrix separates with counterdie, and this moment, owing to moving on half hole 161 on hole flanging floating block 16, with half hole 171 on hole flanging fixed block 17 not at same plane, namely on workpiece 20 this moment, the tooth form section 201 of hole flanging only is arranged in half hole 171 of hole flanging fixed block 17, so, when workpiece 20 is ejected by hole flanging floating block 16, make tooth form section 201 or the Kong Buhui distortion of workpiece 20, the hole flanging that remains intact, simultaneously, workpiece 20 can be bonded on lower bolster 7 by vertical jack-up yet.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (6)
1. thin material hole flanging mold, be used for making on thin material workpiece by punching press forming hole flanging, described hole flanging is comprised of the vertical tooth form section that is formed at the hole on thin material workpiece and routs up downwards at bore edges, this hole flanging mold comprises patrix and counterdie, pick a pocket on described and draw together first and second portion, described first is provided with the hole flanging red needle, described second portion comprises a stripper plate, the stripper plate of telling is provided with the red needle hole of admitting described hole flanging red needle, and described second portion is connected with described first by the first elastic mechanism; Described counterdie comprises lower bolster, lower bolster and die shoe, it is characterized in that:
Be inlaid with a hole flanging mold insert corresponding with described hole flanging red needle in described lower bolster, described hole flanging mold insert is comprised of the hole flanging floating block that is complementary and hole flanging fixed block, on described hole flanging floating block and hole flanging fixed block, two relative positions are respectively equipped with half hole, described hole flanging floating block is connected with described die shoe by one second elastic mechanism, so that described hole flanging floating block can move up and down in lower bolster; Described hole flanging fixed block is fixed in lower bolster by securing member, and its upper surface and lower bolster upper surface are positioned at same plane;
This hole flanging mold has the first state and the second state, under described the first state, under the effect of the first elastic mechanism, has the gap between described first and second portion, and described hole flanging red needle is hidden in red needle hole on described stripper plate; Described stripper plate separates with described lower bolster, and described hole flanging floating block is under the effect of the second elastic mechanism, and the lower bolster upper surface is stretched out in its upper end;
Under described the second state, described second portion and first offset, described stripper plate is pressed on workpiece on lower bolster, under the stripper plate pressure-acting, described hole flanging floating block upper surface and described lower bolster upper surface flush, half hole coupling on half hole on the hole flanging floating block and described hole flanging fixed block form a forming hole that is used for holding described tooth form section; Described hole flanging red needle is inserted in described forming hole.
2. thin material hole flanging mold according to claim 1, it is characterized in that: on described hole flanging floating block and hole flanging fixed block, two relative sides are respectively equipped with a holding tank, under described the second state, two holding tank couplings form a container cavity, be provided with one and be used for limiting the high spacing mold insert of described tooth form section tooth highly in described container cavity, the high spacing mold insert of described tooth be provided with one with the be complementary drift hole that falls of described hole flanging punch, the described drift hole that falls is positioned at described forming hole below, and coaxial with described forming hole.
3. thin material hole flanging mold according to claim 1, it is characterized in that: on described lower bolster, a side of hole flanging floating block is provided with a floating block pressing plate, a side near the hole flanging floating block on described floating block pressing plate is provided with a positive stop lug boss, described hole flanging floating block is provided with a stop section that is positioned at positive stop lug boss below, under described the first state, described stop section and described positive stop lug boss offset, and under described the second state, have spacing between described stop section and described positive stop lug boss.
4. thin material hole flanging mold according to claim 1, it is characterized in that: described the second elastic mechanism comprises spring, thimble and set screw, be provided with the installing hole that can hold described spring and set screw in described die shoe, described set screw is fixedly connected in installing hole, described spring lower end and set screw offset, described thimble lower end and spring upper end offset, and through hole and described hole flanging floating block bottom that the thimble upper end is passed on lower bolster offset.
5. thin material hole flanging mold according to claim 1, it is characterized in that: described first comprises upper bolster and train wheel bridge, and described second portion also comprises baffle plate, and described baffle plate is connected in the stripper plate upper surface.
6. thin material hole flanging mold according to claim 1, it is characterized in that: described the first elastic mechanism is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640409 CN202984446U (en) | 2012-11-29 | 2012-11-29 | Thin material hole flanging mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640409 CN202984446U (en) | 2012-11-29 | 2012-11-29 | Thin material hole flanging mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202984446U true CN202984446U (en) | 2013-06-12 |
Family
ID=48555669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220640409 Expired - Fee Related CN202984446U (en) | 2012-11-29 | 2012-11-29 | Thin material hole flanging mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202984446U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394598A (en) * | 2013-08-16 | 2013-11-20 | 昆山联德精密机械有限公司 | Hole flanging cracking-prevention die |
| CN109570356A (en) * | 2018-11-30 | 2019-04-05 | 青岛海信模具有限公司 | Floe structure and mold |
| CN110252865A (en) * | 2019-06-24 | 2019-09-20 | 深圳数码模汽车技术有限公司 | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part |
| CN112007985A (en) * | 2020-09-14 | 2020-12-01 | 江苏鸿基金属制品有限公司 | Hole flanging processing die for automobile die metal stamping part |
-
2012
- 2012-11-29 CN CN 201220640409 patent/CN202984446U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394598A (en) * | 2013-08-16 | 2013-11-20 | 昆山联德精密机械有限公司 | Hole flanging cracking-prevention die |
| CN109570356A (en) * | 2018-11-30 | 2019-04-05 | 青岛海信模具有限公司 | Floe structure and mold |
| CN110252865A (en) * | 2019-06-24 | 2019-09-20 | 深圳数码模汽车技术有限公司 | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part |
| CN112007985A (en) * | 2020-09-14 | 2020-12-01 | 江苏鸿基金属制品有限公司 | Hole flanging processing die for automobile die metal stamping part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151129 |