CN207238930U - A kind of pre- drawing and forming mould of door-plate reinforcing plate - Google Patents
A kind of pre- drawing and forming mould of door-plate reinforcing plate Download PDFInfo
- Publication number
- CN207238930U CN207238930U CN201721128115.4U CN201721128115U CN207238930U CN 207238930 U CN207238930 U CN 207238930U CN 201721128115 U CN201721128115 U CN 201721128115U CN 207238930 U CN207238930 U CN 207238930U
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- Prior art keywords
- punch
- plate
- pin
- pin frame
- door
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Abstract
The utility model discloses a kind of pre- drawing and forming mould of door-plate reinforcing plate, including lower template, convex mould pad, punch-pin frame, punch-pin, two guide plates and two guide plate fixed plates, the convex mould pad to be fixed on the top of the lower template by support block；The lower template is rectangle structure, and four angles of the lower template are respectively arranged with lifting lug；The punch-pin frame presents the body structure of lower ending opening, and the punch-pin frame is fixed on the top end face of the convex mould pad；The punch-pin is arranged in the punch-pin frame, and the middle part of the punch-pin is in cross bulge-structure, and the left and right end of the transverse part of the cross bulge-structure uses arcuate shape.The pre- drawing and forming mould of the door-plate reinforcing plate of the utility model, tablet is first carried out by first time drawing and forming using the pre- drawing and forming mould, then tablet is subjected to further drawing again, the defects of drawing and forming can effectively solve the problems, such as cracking during part drawing and moulding, corrugation twice.
Description
Technical field
It the utility model is related to a kind of pre- drawing and forming mould of door-plate reinforcing plate.
Background technology
To strengthen the intensity of metal plate parts, design elements shape can be relative complex, and regional area drawing height is deeper, rises
Volt is loftier, therefore forming property is poor.Among actual production process, thinning cracking, especially intensity easily occurs relatively
High low-alloy high-strength plate.
Referring to Fig. 1, left and right part part 1', 2' of one group of door-plate reinforcing plate, the material for the tablet that when drawing uses is
CR300LA-GI40/40-U, thickness 2.0mm, tensile strength 400MPa, elongation percentage 23%, forming property is general, is adapted to simple
Structure cold punching pressing formation.Then CAE forming property sunykatuib analyses are carried out according to its structure, the thinning rate of local material exceedes
30%, exceed the elongation percentage of material, region a shown in Fig. 1 is easily cracked.The left and right part part of traditional door-plate reinforcing plate
Whole technological process be：(1) drawing；(2) deburring/punching/separation；(3) flange/shaping；(4) flange；(5) deburring/side blow
Hole.During forming parts, there is cracking risk in stretching corner, carry out mould development by this once-forming scheme, the later stage opens
Risk is split to will be unable to avoid.
Improve its forming property according to Step drawing mode, cracking risk can be excluded, such tablet is processed into finally
The complete process flow of door-plate reinforcing plate or so part part 1', 2' be：(1) pre- drawing；(2) drawing；(3) deburring/punching/point
From；(4) flange/shaping；(5) flange；(6) deburring/side punching.Need to design pre- drawing and forming mould, prestretching is carried out to tablet
It is deep.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, there is provided a kind of pre- drawing and forming mould of door-plate reinforcing plate
Tool, first carries out first time drawing and forming by tablet using the pre- drawing and forming mould, is then again further drawn tablet
It is deep, the defects of drawing and forming can effectively solve the problems, such as cracking, corrugation during part drawing and moulding twice.
Realizing the technical solution of above-mentioned purpose is：A kind of pre- drawing and forming mould of door-plate reinforcing plate, including it is lower template, convex
Die-cushion plate, punch-pin frame, punch-pin, two guide plates and two guide plate fixed plates, wherein：
The convex mould pad is fixed on the top of the lower template by support block；
The lower template is rectangle structure, and four angles of the lower template are respectively arranged with lifting lug；
The punch-pin frame presents the body structure of lower ending opening, and the punch-pin frame is fixed on the top of the convex mould pad
Face；
The punch-pin is arranged in the punch-pin frame, and the middle part of the punch-pin is in cross bulge-structure, and the cross
The left and right end of the transverse part of bulge-structure uses arcuate shape；
The outside at four angles of the punch-pin frame offers an outer guiding post installation gap respectively, each outer guiding post installation
An outer guiding post is provided with notch, and the bottom of outer guiding post is fixed on the top end face of the convex mould pad；
The left and right sides on the top of the front side wall of the punch-pin frame and the left and right sides on the top of rear wall are offered in one respectively
Guideing pillar mounting hole, is each provided with an inner guiding post in the inner guiding post mounting hole；
The middle part on the top of the front side wall of the punch-pin frame, the middle part on the top of rear wall, left side wall top middle part
Locating piece mounting groove is offered respectively with the middle part on the top of right side wall, is movably disposed in each locating piece mounting groove
There are a tablet rough positioning blocks；
The locating piece blocked hole being adapted with the tablet rough positioning blocks is offered on four side walls of the punch-pin；
The side of each tablet rough positioning blocks is provided with a rubber pad, and the rubber pad is fixed on the punch-pin frame
Top；
Described two guide plate fixed plates are arranged on the left and right sides of the top end face of the convex mould pad correspondingly, and described
Two guide plate fixed plates are located at the left and right sides of the punch-pin frame correspondingly；
Described two guide plates are vertically provided in described two guide plate fixed plates correspondingly；
The front and back end of each guide plate fixed plate is respectively arranged with a limited post.
A kind of pre- drawing and forming mould of above-mentioned door-plate reinforcing plate, wherein, the top of the limited post is led higher than described
The top of plate fixed plate, and the top of the limited post is less than the top of the guide plate.
A kind of pre- drawing and forming mould of above-mentioned door-plate reinforcing plate, wherein, the top of the front side wall of the punch-pin frame
One the first from left of middle part offers two locating piece mounting grooves rightly；
One the first from left of middle part on the top of the rear wall of the punch-pin frame offers two locating piece mounting grooves rightly；
The middle part on the middle part on the top of the left side wall of the punch-pin frame and the top of right side wall offers a positioning respectively
Block mounting groove.
A kind of pre- drawing and forming mould of above-mentioned door-plate reinforcing plate, wherein, the L-shaped structure of tablet rough positioning blocks,
And the vertical portion of the tablet rough positioning blocks is connected in the locating piece blocked hole.
A kind of pre- drawing and forming mould of above-mentioned door-plate reinforcing plate, wherein, each guide plate fixed plate is in inversion
U-shaped groove structure, described two guide plate fixed plates are disposed opposite to each other, and the bottom of the guide plate is plugged on the U of the guide plate fixed plate
In shape groove.
A kind of pre- drawing and forming mould of above-mentioned door-plate reinforcing plate, wherein, the number of the support block is two, two institutes
One the first from left of support block is stated to be disposed longitudinally on rightly between the convex mould pad and lower template.
A kind of pre- drawing and forming mould of above-mentioned door-plate reinforcing plate, wherein, the outer surface of the punch-pin is provided with metal
Carbide spreads coating.
The pre- drawing and forming mould of the door-plate reinforcing plate of the utility model, first using the pre- drawing and forming mould by tablet into
Row first time drawing and forming, then carries out further drawing by tablet again, and drawing and forming can effectively solve part drawing twice
Prolong in forming process the defects of cracking, wrinkling problem；And by the TD processing to mould, the service life of mould is improved,
The forming property of part is improved, ensure that the surface quality of part.
Brief description of the drawings
Fig. 1 is the structure diagram of the left and right part part of door-plate reinforcing plate；
Fig. 2 is the structure diagram of the pre- drawing and forming mould of the door-plate reinforcing plate of the utility model；
Fig. 3 is that tablet carries out the structure chart after first time drawing using the pre- drawing and forming mould of the utility model.
Embodiment
In order to make those skilled in the art be better understood when the technical solution of the utility model, with reference to attached
Its embodiment is described in detail in figure：
Refer to Fig. 2 and Fig. 3, the most preferred embodiment of the utility model, a kind of pre- drawing and forming mould of door-plate reinforcing plate,
Including lower template 11, convex mould pad 8, punch-pin frame 10,1, two guide plate 6 of punch-pin and two guide plate fixed plates 7.
Convex mould pad 8 is fixed on the top of lower template 11 by two support blocks 9；The right ground longitudinal direction of two 9 one the first from left of support block is set
Put between convex mould pad 8 and lower template 11.
Lower template 11 is rectangle structure, and four angles of lower template 11 are respectively arranged with lifting lug 13；Punch-pin frame 10 is in up and down
The body structure of end opening, punch-pin frame 10 are fixed on the top end face of convex mould pad 8；Punch-pin 1 is arranged in punch-pin frame 10, punch-pin 1
Middle part be in cross bulge-structure 14, and the left and right end of the transverse part of the cross bulge-structure 14 uses arcuate shape；It is convex
The outside at framed 10 four angles offers an outer guiding post installation gap respectively, is provided with each outer guiding post installation gap outside one
Guide post 5, and the bottom of outer guiding post 5 is fixed on the top end face of convex mould pad 8；The left and right sides on the top of the front side wall of punch-pin frame 10 and
The left and right sides on the top of rear wall offers an inner guiding post mounting hole respectively, and an inner guiding post is provided with each inner guiding post mounting hole
4。
The middle part on the top of the front side wall of punch-pin frame 10, the middle part on the top of rear wall, left side wall top middle part and
The middle part on the top of right side wall offers locating piece mounting groove respectively, and a material is movably disposed within each locating piece mounting groove
Piece rough positioning blocks 2；The locating piece blocked hole being adapted with tablet rough positioning blocks 2 is offered on four side walls of punch-pin 1；Tablet is slightly fixed
Position 2 L-shaped structure of block, and the vertical portion of tablet rough positioning blocks 2 is connected in locating piece blocked hole.The front-rear side walls of punch-pin frame 10
On tablet rough positioning blocks 2 be disposed opposite to each other, the tablet rough positioning blocks 2 in the left and right sidewall of punch-pin frame 10 are disposed opposite to each other.
The side of each tablet rough positioning blocks 2 is provided with a rubber pad 3, and rubber pad 3 is fixed on the top of punch-pin frame 10.
Two guide plate fixed plates 7 are arranged on the left and right sides of the top end face of convex mould pad 8 correspondingly, and two guide plates are consolidated
Fixed board 7 is located at the left and right sides of punch-pin frame 10 correspondingly；Each guide plate fixed plate 7 is in inverted U-shaped groove structure, and two are led
Plate fixed plate 7 is disposed opposite to each other.Two guide plates 6 are vertically provided in the U-lag of two guide plate fixed plates 7 correspondingly；Guide plate 6
Bottom be plugged in the U-lag of guide plate fixed plate 7.
The front and back end of each guide plate fixed plate 7 is respectively arranged with a limited post 12.The top of limited post 12 is consolidated higher than guide plate
The top of fixed board 7, and the top of limited post 12 is less than the top of guide plate 6.
Specifically, one the first from left of middle part on the top of the front side wall of punch-pin frame 10 offers two locating piece mounting grooves rightly；
One the first from left of middle part on the top of the rear wall of punch-pin frame 10 offers two locating piece mounting grooves rightly；The left side wall of punch-pin frame 10
The middle part on top and the middle part on top of right side wall offer a locating piece mounting groove respectively.The number of locating piece mounting groove
Six are total up to, the number of corresponding tablet rough positioning blocks 2 is also six.
Refer to Fig. 2 and Fig. 3, the pre- drawing and forming mould of the door-plate reinforcing plate of the utility model, when in use, tablet position
In the surface of punch-pin 1, tablet is positioned by tablet rough positioning blocks 2, and downlink is until limited post 12 is touched and after death stopped, and tablet is along in advance
The punch-pin 1 of drawing and forming mould carries out pre- drawing and forming, and cross depression 100 is formed in the middle part of tablet.
Consider that part regional area fillet in forming process is too small, and the characteristics such as part material intensity is high, plate is thicker,
To avoid the die wear in batch production from triggering surface quality defect, shorten die life, determine to mold work portion
Position is that the outer surface of punch-pin 1 carries out TD processing, strengthens die surface hardness, increases lubricity, lifts the forming property of part.
TD die surfaces surpass technique for hardening treatment, using metal carbides diffusion coating TD (Thermal Diffusion
Carbide Coating Process) principle is as molten salt of borax and its extraordinary Jie under certain treatment temperature by workpiece
In matter, chemical reaction is produced by the carbon in the metallic atom and workpiece in extraordinary fused salt, nitrogen-atoms, be diffused in workpiece surface and
Formed one layer several microns to the vanadium of more than 20 microns, niobium, chromium, titanium etc. metallic carbide layer.The processing of thermal diffusion method carbide coating
(Thermal Diffusion Carbide Coating Process, TD coating), is that one kind is acted on by High temperature diffusion
Forming a number of plies micron to the metal carbides coating of some tens of pm, coating in workpiece surface has high hardness, and HV can
Up to 3200 or so, and with fertile material metallurgical binding.It was verified that this coating has high wear-resisting a, bite-resistant, it is anti-corrosion etc.
Performance, can improve the workpiece service life several times to tens times, there is high use value.
In conclusion the pre- drawing and forming mould of the door-plate reinforcing plate of the utility model, first using the pre- drawing and forming mould
Tablet is carried out first time drawing and forming by tool, tablet then is carried out further drawing again, drawing and forming can be effective twice
The defects of solving the problems, such as cracking during part drawing and moulding, corrugation；And by the TD processing to mould, improve mould
Service life, improves the forming property of part, ensure that the surface quality of part.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Change, the modification of embodiment will all fall in the Claims scope of the utility model.
Claims (7)
1. the pre- drawing and forming mould of a kind of door-plate reinforcing plate, it is characterised in that including lower template, convex mould pad, punch-pin frame, convex
Mould, two guide plates and two guide plate fixed plates, wherein：
The convex mould pad is fixed on the top of the lower template by support block；
The lower template is rectangle structure, and four angles of the lower template are respectively arranged with lifting lug；
The punch-pin frame presents the body structure of lower ending opening, and the punch-pin frame is fixed on the top end face of the convex mould pad；
The punch-pin is arranged in the punch-pin frame, and the middle part of the punch-pin is in cross bulge-structure, and the cross is raised
The left and right end of the transverse part of structure uses arcuate shape；
The outside at four angles of the punch-pin frame offers an outer guiding post installation gap respectively, each outer guiding post installation gap
An outer guiding post is inside provided with, and the bottom of outer guiding post is fixed on the top end face of the convex mould pad；
The left and right sides on the top of the front side wall of the punch-pin frame and the left and right sides on the top of rear wall offer an inner guiding post respectively
Mounting hole, is each provided with an inner guiding post in the inner guiding post mounting hole；
The middle part on the top of the front side wall of the punch-pin frame, the middle part on the top of rear wall, left side wall top middle part and the right side
The middle part on the top of side wall offers locating piece mounting groove respectively, and one is movably disposed within each locating piece mounting groove
Tablet rough positioning blocks；
The locating piece blocked hole being adapted with the tablet rough positioning blocks is offered on four side walls of the punch-pin；
The side of each tablet rough positioning blocks is provided with a rubber pad, and the rubber pad is fixed on the top of the punch-pin frame
End；
Described two guide plate fixed plates are arranged on the left and right sides of the top end face of the convex mould pad correspondingly, and described two
Guide plate fixed plate is located at the left and right sides of the punch-pin frame correspondingly；
Described two guide plates are vertically provided in described two guide plate fixed plates correspondingly；
The front and back end of each guide plate fixed plate is respectively arranged with a limited post.
A kind of 2. pre- drawing and forming mould of door-plate reinforcing plate according to claim 1, it is characterised in that the limited post
Top be higher than the guide plate fixed plate top, and the top of the limited post be less than the guide plate top.
A kind of 3. pre- drawing and forming mould of door-plate reinforcing plate according to claim 1, it is characterised in that the punch-pin frame
One the first from left of middle part on top of front side wall offer two locating piece mounting grooves rightly；
One the first from left of middle part on the top of the rear wall of the punch-pin frame offers two locating piece mounting grooves rightly；
The middle part on the middle part on the top of the left side wall of the punch-pin frame and the top of right side wall offers a locating piece peace respectively
Tankage.
4. the pre- drawing and forming mould of a kind of door-plate reinforcing plate according to claim 1, it is characterised in that the tablet is thick
The L-shaped structure of locating piece, and the vertical portion of the tablet rough positioning blocks is connected in the locating piece blocked hole.
5. the pre- drawing and forming mould of a kind of door-plate reinforcing plate according to claim 1, it is characterised in that led described in each
Plate fixed plate is in inverted U-shaped groove structure, and described two guide plate fixed plates are disposed opposite to each other, and the bottom of the guide plate is plugged on institute
In the U-lag for stating guide plate fixed plate.
6. the pre- drawing and forming mould of a kind of door-plate reinforcing plate according to claim 1, it is characterised in that the support block
Number is two, and two described one the first from left of support block are disposed longitudinally between the convex mould pad and lower template rightly.
7. the pre- drawing and forming mould of a kind of door-plate reinforcing plate according to claim 1, it is characterised in that the punch-pin
Outer surface is provided with metal carbides diffusion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128115.4U CN207238930U (en) | 2017-09-05 | 2017-09-05 | A kind of pre- drawing and forming mould of door-plate reinforcing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128115.4U CN207238930U (en) | 2017-09-05 | 2017-09-05 | A kind of pre- drawing and forming mould of door-plate reinforcing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207238930U true CN207238930U (en) | 2018-04-17 |
Family
ID=61885103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721128115.4U Expired - Fee Related CN207238930U (en) | 2017-09-05 | 2017-09-05 | A kind of pre- drawing and forming mould of door-plate reinforcing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207238930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293165A (en) * | 2019-06-03 | 2019-10-01 | 西安飞机工业（集团）有限责任公司 | A kind of semicircular arc-shaped rubber pad forming method for reinforcing crimp sheet metal part of concave curved surface |
-
2017
- 2017-09-05 CN CN201721128115.4U patent/CN207238930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293165A (en) * | 2019-06-03 | 2019-10-01 | 西安飞机工业（集团）有限责任公司 | A kind of semicircular arc-shaped rubber pad forming method for reinforcing crimp sheet metal part of concave curved surface |
| CN110293165B (en) * | 2019-06-03 | 2020-06-30 | 西安飞机工业（集团）有限责任公司 | Rubber forming method for concave curved surface semi-circular arc-shaped reinforced flanging sheet metal part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180417 Termination date: 20190905 |