CN204545195U - The comprehensive location structure of plate in hot press forming technology - Google Patents
The comprehensive location structure of plate in hot press forming technology Download PDFInfo
- Publication number
- CN204545195U CN204545195U CN201520189904.3U CN201520189904U CN204545195U CN 204545195 U CN204545195 U CN 204545195U CN 201520189904 U CN201520189904 U CN 201520189904U CN 204545195 U CN204545195 U CN 204545195U
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- Prior art keywords
- plate
- flanging bore
- circular flanging
- circular
- comprehensive location
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- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000007731 hot pressing Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000003698 laser cutting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Punching Or Piercing (AREA)
Abstract
The utility model relates to hot-forming field, disclose the comprehensive location structure of plate in a kind of hot press forming technology, comprehensive location structure is the circular flanging bore of one and plate (1) integrative-structure extended in plate (1) plane, and the edge of circular flanging bore (11) exceed plate (1) place plane; When needs are located, the predeterminated position first on plate (1) processes pre-punched hole (12); Then pre-punched hole (12) being processed into circular flanging bore, then by being inserted by alignment pin (2) in circular flanging bore, comprehensive location being carried out to plate (1).Because circular flanging bore is outstanding hole relative to plate plane in the utility model, when positioning plate, only need to use and both can carry out comprehensive location with the shape in this hole and sizable alignment pin, and circular flanging bore not easily formation abrasion, locate more accurate.
Description
Technical field
The utility model relates to hot-forming field, particularly the comprehensive location structure of plate in a kind of hot press forming technology.
Background technology
In the production process of hot-forming part, first slab is struck out in hot pressing die the shape of needs, then obtain the product parts sideline profile that needs and room in follow-up laser cutting/repair in stamping die, therefore now create the requirement of hot pressing part secondary clamping location.Further, in the hot pressing part testing process that hot pressing die stamps out, the requirement of the Set and Positioning of hot pressing part in cubing is created equally.
In order to carry out Set and Positioning, usually three kinds of modes are had in prior art, a kind of mode only uses the shape of part own as subsequent handling positioning datum in forming parts process, when post laser cutting or hot pressing part detect in cubing, use at least 6 points contacted with profile that part is fixedly carried out work.The problem of this mode is: reckon without the unstability in part production process, the minor variations of the hot pressing part size that inevitable appearance occurs due to die wear or production environment change in part production process, after there is this kind of situation, post laser cuts/repaiies the instability that the instability will located because of secondary clamping in punching and cubing testing process causes institute's manufactured parts quality.
In forming parts process, use ball stud to mold a little spherical convex closure as subsequent handling main positioning datum during the second way, when post laser cutting or hot pressing part detect in cubing, use the pin of 1 head and spherical convex closure consistent size as main location, and carry out work after using at least 4 points contacted with profile that part is fixing.The problem of this mode is: in the process using the shaping spherical convex closure of ball stud, ball stud is very easy to wear and tear and causes the change of spherical convex closure size, this spherical male wraps in forming process and easily occurs the defects such as cracking, necking down, cracking may produce coming off and becoming waste material of material time comparatively serious, can cause very large harm to the forming blocks surface of mould; No matter be that the spherical convex closure size which kind of reason above causes changes, the instability that subsequent handling secondary clamping is located all can be caused.
The third mode is in forming parts process, adopt cold-stamped breaking cutter technique, the breaking cutter of a V-type is used to stamp out a V-type convex closure as the main positioning datum of subsequent handling, and the tip of the V-type convex closure formed is linear pattern, when post laser cutting or hot pressing part detect in cubing, use the locating piece of 1 head and above-mentioned V-type convex closure consistent size as main location, make part horizontal or longitudinal one wherein individual direction fix, and use at least 5 points contacted with profile part is fixedly carried out work.This kind of mode and the second way similar, but the V-type convex closure of what in the manner, V-type breaking cutter processed in hot pressing part have linear pattern tip only can be used for the main location in hot pressing part some directions in secondary clamping process, can not use as 4 fixing by gross bearings, precision and the practicality of location are lower.
Utility model content
goal of the invention:for problems of the prior art, the utility model provides the comprehensive location structure of plate in a kind of hot press forming technology, can carry out omnibearing accurate location to plate.
technical scheme:the utility model provides the comprehensive location structure of plate in a kind of hot press forming technology, described comprehensive location structure is the circular flanging bore of one and the described plate integrative-structure extended in described plate plane, and the free end of described circular flanging bore exceeds described plate place plane.
The utility model additionally provides the comprehensive localization method of plate in a kind of hot press forming technology, comprises the following steps: S1: the predeterminated position on plate processes pre-punched hole; S2: described pre-punched hole is processed into circular flanging bore, this circular flanging bore is the main positioning datum described plate being carried out to comprehensive location; S3: comprehensive location is carried out to described plate by being inserted by alignment pin in described circular flanging bore.
Preferably, the limit of described circular flanging bore is any one shape following: the vertical edges of integrally-built vertical edges, integrally-built inclined side, many valve structures, the inclined side of many valve structures.
Further, in described S2, use flange pin that described pre-punched hole is processed into described circular flanging bore.
Preferably, the plunger of described flange pin is spheroidal plunger or truncated cone plunger, and shank is cylindrical.
Preferably, the shank of described alignment pin is cylindrical, and the diameter of this shank is slightly less than the shank diameter of described flange pin.
Preferably, described flange pin is made up of high-speed steel.
Preferably, the outer surface of described flange pin is coated with scuff-resistant coating.
Preferably, described scuff-resistant coating is titanium coating.
Preferably, described pre-punched hole is circular port, and the limit of described circular flanging bore is integrally-built vertical edges or integrally-built inclined side; Or described pre-punched hole is multi-petal shape hole, the limit of described circular flanging bore is the vertical edges of many valve structures or the inclined side of many valve structures.
beneficial effect:the comprehensive location structure of the plate in the utility model is the circular flanging bore directly extended in plate plane, because this circular flanging bore is outstanding hole relative to plate plane, when positioning plate, only need to use and both can carry out comprehensive location with the shape in this hole and sizable alignment pin, compared with spherical convex closure of the prior art or V-type convex closure, circular flanging bore can comprehensively be located on the one hand, be not easy formation abrasion on the other hand, the follow-up location to plate is more accurately facilitated.
Accompanying drawing explanation
Fig. 1 is structural representation when circular pre-punched hole coordinates with spheroidal plunger in embodiment 1;
Fig. 2 is the sectional view (after the circular flanging hole forming of integrally-built vertical edges) along AA face in Fig. 1;
Fig. 3 is structural representation when circular pre-punched hole coordinates with truncated cone plunger in embodiment 2;
Fig. 4 is the sectional view (after the circular flanging hole forming of integrally-built inclined side) along BB face in Fig. 2;
Fig. 5 is structural representation when three lobe shape pre-punched holes coordinate with spheroidal plunger in embodiment 3;
Fig. 6 is the side view of spheroidal plunger when three lobe shape pre-punched holes being molded into the circular flanging bore of the vertical edges of three valve structures;
Fig. 7 is the top view of spheroidal plunger when three lobe shape pre-punched holes being molded into the circular flanging bore of the vertical edges of three valve structures;
Fig. 8 is structural representation when three lobe shape pre-punched holes coordinate with truncated cone plunger in embodiment 4;
Fig. 9 is the side view of truncated cone plunger when three lobe shape pre-punched holes being molded into the circular flanging bore of the inclined side of three valve structures.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model preferred embodiment is described in detail.
embodiment 1:
Present embodiments provide for the comprehensive location structure of plate in a kind of hot press forming technology and comprehensive localization method thereof, as illustrated in fig. 1 and 2, above-mentioned comprehensive location structure is the protruding circular flanging bore of of extending in plate 1 plane, this circular flanging bore and plate 1 are structure as a whole, and the free end 111 of this circular flanging bore exceeds plate 1 certain distance.
In present embodiment, before shaping above-mentioned circular flanging bore, first on plate 1, a circular pre-punched hole 12 will be processed by predeterminated position, then use and there is spheroidal plunger 31, circular pre-punched hole 12 is processed into above-mentioned circular flanging bore by the flange pin 3 of cylinder shank 33, as shown in Figure 2, the vertical edges 13 of the as a whole structure in limit of this circular flanging bore visible, namely above-mentioned circular flanging bore can be used as main positioning datum plate 1 being carried out to comprehensive location, when needs position plate 1, by identical with shank 33 shape of flange pin 3, and the alignment pin 2 that diameter is slightly less than shank 33 diameter of flange pin 3 inserts in circular flanging bore and carries out comprehensive location to plate 1, generally, shank 21 diameter design of alignment pin 2 is become 0.05 ~ 0.1mm less of shank 33 diameter of flange pin 3.
It is worth mentioning that, in order to strengthen the wearability of above-mentioned flange pin 3, flange pin 3 uses high-speed steel to make, and heat-treats it, and after heat treatment, hardness is greater than HRC55.3, but also can on its plated surface titanium coating to increase wearability further.
Due to F
unload=0.02-0.08f, wherein, F
unloadfor flange pin 3 unloads required power (N) in circular flanging bore, circular pre-punched hole 12 to be molded into the power (N) required for circular flanging bore for flange pin 3 by f;
And f=1.1 π t σ
s(D-d), wherein t is the thickness (mm) of plate 1, σ
sfor the yield strength of plate 1, D is the aperture (mm) of circular flanging bore, and d is the aperture (mm) of circular pre-punched hole 12;
If in present embodiment, plate 1 is 22MnB5 material, then σ s=1200 Mpa, then supposes t=1.2mm, D=16mm, d=10mm, then f=1.1 × 3.14 × 1.2 × 1200 × (16-10)=29842.56(N);
Then F is got
unload=0.05f
Then F
unload=0.05 × 29842.56=1492.1(N).
embodiment
2
:
Present embodiment is the further improvement of embodiment 1, main improvements are, use the flange pin 3 with spheroidal plunger 31 in embodiment 1, what mold is the circular flanging bore with integrally-built vertical edges 13, because the contact area inside the limit of this circular flanging bore and between flange pin 3 is comparatively large, unload so be not easy to flange pin 3; And be use the flange pin 3 with truncated cone plunger 32 in present embodiment, the circular flanging bore with integrally-built inclined side 14 molded, because the frictional force inside integrally-built inclined side 14 and between truncated cone plunger 32 is less, so less power can be used to be unloaded by flange pin 3, as shown in Figures 3 and 4.
In addition, present embodiment is identical with embodiment 1, does not repeat herein.
embodiment
3
:
Present embodiment is the further improvement of embodiment 1, main improvements are, the limit of the circular flanging bore in embodiment 1 is integrally-built vertical edges 13, there is a defect in this circular flanging bore: when flange pin 3 is laid down by needs time, inwall due to the integrally-built vertical edges 13 of circular flanging bore is close to the shank 33 of flange pin 3, therebetween frictional force is comparatively large, and flange pin 3 is not easy to lay down; And the limit of circular flanging bore in present embodiment is the vertical edges 114 of many valve structures (or zigzag structure, wavy shaped configuration etc.), if pre-punched hole multi-petal shape (or zigzag structure, wavy shaped configuration etc.) pre-punched hole 17 of certain correspondence, contact area between the inwall of the vertical edges 15 of many valve structures and flange pin 3 reduces, frictional force relatively also reduces, and flange pin 3 is laid down relatively easily.
Specifically, for the vertical edges 15 of three lobe shape pre-punched holes 17 and three valve structures, as Fig. 5 shows, first three lobe shape (or Y shape) pre-punched holes 17 are offered at the predeterminated position of plate 1, then the circular flanging bore that use has spheroidal plunger 31, this three lobes shape pre-punched hole pre-punched hole 17 is processed into the vertical edges 15 with three valve structures by the flange pin 3 of cylinder shank 33, as shown in Figures 6 and 7.
Empirically formula, after adopting the circular flanging bore of the vertical edges 15 of three valve structures, f
unload=k × F
unload, wherein k is empirical value, and k=0.2 ~ 0.3, in present embodiment, k gets 0.25, then can obtain f
unload=0.25 × 1492.1=373(N).
Visible, the circular flanging bore of the vertical edges 15 of three valve structures greatly reduces the stripping force required for flange pin 3, reduces Design of Dies difficulty and die cost.
In addition, present embodiment is identical with embodiment 1, does not repeat herein.
embodiment
4
:
Present embodiment is the further improvement of embodiment 3, main improvements are, the flange pin 3 with spheroidal plunger 31 is used in embodiment 3, what mold is the circular flanging bore of the vertical edges 15 with many valve structures, contact area between the inwall of the vertical edges 15 of many valve structures and flange pin 3 is still very large, cause frictional force still very large, discharging still not easily, and in present embodiment when shaping circular flanging bore, use the flange pin 3 with truncated cone plunger 32, multi-petal shape pre-punched hole 17 can be molded into the circular flanging bore of the inclined side 16 with many valve structures, because the contact area inside the many valve structures in the inclined side 16 of many valve structures and between the taper surface of truncated cone plunger 32 is less, and frictional force between the inclined side 16 medium dip limit of many valve structures and the taper surface of truncated cone plunger 32 is less, in theory, in present embodiment flange pin 3 from have many valve structures inclined side 16 circular flanging bore in unload required power can than less embodiment 3.
Same for three lobe shape pre-punched holes 17, as Fig. 8, through having the circular flanging bore of the shaping formation inclined side 16 with three valve structures as shown in Figure 9 of the flange pin 3 of truncated cone plunger 32.
In addition, present embodiment is identical with embodiment 3, does not repeat herein.
The respective embodiments described above, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the utility model Spirit Essence or modification, all should be encompassed within protection domain of the present utility model.
Claims (2)
1. the comprehensive location structure of plate in a hot press forming technology, it is characterized in that, described comprehensive location structure is the circular flanging bore of one and described plate (1) integrative-structure extended in described plate (1) plane, and the edge (11) of described circular flanging bore exceeds described plate (1) place plane.
2. the comprehensive location structure of plate in hot press forming technology according to claim 1, it is characterized in that, the limit of described circular flanging bore is any one shape following:
The inclined side (16) of integrally-built vertical edges (13), integrally-built inclined side (14), the vertical edges (15) of many valve structures, many valve structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189904.3U CN204545195U (en) | 2015-04-01 | 2015-04-01 | The comprehensive location structure of plate in hot press forming technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189904.3U CN204545195U (en) | 2015-04-01 | 2015-04-01 | The comprehensive location structure of plate in hot press forming technology |
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| Publication Number | Publication Date |
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| CN204545195U true CN204545195U (en) | 2015-08-12 |
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| CN201520189904.3U Expired - Fee Related CN204545195U (en) | 2015-04-01 | 2015-04-01 | The comprehensive location structure of plate in hot press forming technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741472A (en) * | 2015-04-01 | 2015-07-01 | 上海凌云汽车模具有限公司 | Plate material omnibearing locating structure and method in hot press forming technology |
-
2015
- 2015-04-01 CN CN201520189904.3U patent/CN204545195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741472A (en) * | 2015-04-01 | 2015-07-01 | 上海凌云汽车模具有限公司 | Plate material omnibearing locating structure and method in hot press forming technology |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |