CN106040860A - Drawing die and drawing method - Google Patents
Drawing die and drawing method Download PDFInfo
- Publication number
- CN106040860A CN106040860A CN201610580661.5A CN201610580661A CN106040860A CN 106040860 A CN106040860 A CN 106040860A CN 201610580661 A CN201610580661 A CN 201610580661A CN 106040860 A CN106040860 A CN 106040860A
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- CN
- China
- Prior art keywords
- thin plate
- metals
- pressure head
- metals thin
- intersection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to the technical field of hardware dies, in particular to a drawing die and a drawing method. The drawing die comprises an upper die seat and a lower die seat, wherein a pressure head used for punching a hardware thin plate is arranged on the upper die seat; a lower die plate used for accommodating the hardware thin plate is arranged on the lower die seat; a convex part is arranged at the lower end of the pressure head; a groove matched with the convex part is formed in the upper end of the lower die plate; when the hardware thin plate is punched by the pressure head, a convex hull is formed on the surface of the hardware thin plate; and a flattening structure used for flattening the joint between the convex hull and the surface of the hardware thin plate is arranged at the position, corresponding to such joint, outside the pressure head. Compared with the prior art, the drawing die and the drawing method provided by the invention have the advantages that the joint between the convex hull and the surface of the hardware thin plate is subjected to shearing and extrusion by adopting the flattening structure, so that tension generated at such joint and caused by material flowing in a drawing process can be eliminated, such joint can be effectively protected from distortion or unevenness, and the surface of the machined hardware thin plate can be relatively flat.
Description
Technical field
The present invention relates to five metals thin plate processing technique field, be specifically related to a kind of cupping tool and method for drawing.
Background technology
Five metals thin plate this kind of five metals thin plate is in the operation of raising bag, because of downward by pressure head downward cold-stamped effect
Drawing, five metals thin sheet surface is formed the convex closure of certain depth by the position of drawing, and in drawing process, five metals thin sheet surface is drawn
The material of deep position can flow, thus produces tension force, and at the intersection of convex closure Yu five metals thin sheet surface, this tension force is the brightest
Aobvious, the convex closure in five metals thin plate is generally 3mm-1m by the degree of depth of drawing, and the degree of depth of convex closure is the deepest, and the tension force of generation is the biggest, example
Such as the shell on the back of cathode ray tube display, its convex closure needs drawing to 1m, thus the tension force produced is particularly evident, and this tension force causes
Five metals thin plate sticks up distortion or concavo-convex arch camber out-of-flatness at this intersection.
Summary of the invention
In place of an object of the present invention is for the deficiencies in the prior art, and provide a kind of cupping tool and drawing side
Method so that the five metals thin sheet surface prepared is the most smooth.
For achieving the above object, the present invention provides a kind of cupping tool, and including upper bolster and die shoe, upper bolster is provided with
For the pressure head of punching press five metals thin plate, die shoe is provided with the lower bolster for bearing five metals thin plate, and the lower end of pressure head has convex
Portion, the upper end of lower bolster has the groove that the shape with protuberance adapts, pressure head to during five metals sheet stamping at five metals sheet
Face forms convex closure, and outside pressure head, corresponding convex closure is provided with for putting down intersection with the position of the intersection of five metals thin sheet surface
The flat configuration of whole process.
Wherein, described flat configuration includes smooth piece and for intersection carries out the step of smooth process, and step is located at
The bottom of smooth piece.
Wherein, described shoulder height is set to 0.2-0.5mm.
Wherein, described shoulder height is set to 0.3mm.
Wherein, flat configuration includes smooth piece and for intersection carries out the wedge of smooth process, and wedge is located at
The bottom of smooth piece.
Wherein, cupping tool also includes the fixed block for fixing five metals thin plate, and fixed block is fixedly connected on upper bolster
Lower surface.
The present invention also provides for a kind of method for drawing, including:
(1) punch steps: use pressure head that five metals thin plate is carried out cold stamping thus form convex closure at five metals thin sheet surface；
(2) modification step: the surface of five metals thin plate is modified；
Between punch steps and modification step, also include planarization step:
Use described flat configuration that the intersection of convex closure Yu five metals thin sheet surface is carried out smooth process.
Wherein, in described planarization step, use the flat configuration intersection from the top down to convex closure Yu five metals thin sheet surface
Carrying out shear extrusion, the degree of depth of shear extrusion is set to 0.2-0.5mm.
Wherein, the degree of depth of described shear extrusion is set to 0.3mm.
Beneficial effects of the present invention:
A kind of cupping tool of the present invention, five metals thin plate is delivered on lower bolster, and under the power that the external world is downward, upper bolster drives
Pressure head and flat configuration move down, and five metals thin plate is pressed in the groove of lower bolster by the protuberance of pressure head, thus at five metals thin plate
Surface forms a convex closure, and simultaneously or subsequently, the intersection of convex closure Yu five metals thin sheet surface is carried out shearing by flat configuration to be squeezed
Pressure, thus eliminate intersection due to the flowing of material and the tension force that produces during drawing, effectively prevent this intersection and produce distortion
Or uneven whole so that the five metals thin sheet surface after processing is the most smooth.
A kind of method for drawing of the present invention, have employed flat configuration and cuts the intersection of convex closure with five metals thin sheet surface
Cut extruding, thus eliminate intersection due to the flowing of material and the tension force that produces during drawing, effectively prevent this intersection and produce
Distortion or uneven whole so that the five metals thin sheet surface after processing is the most smooth.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to the following drawings
Other accompanying drawing.
Fig. 1 is the generalized section of a kind of cupping tool of the present invention.
Fig. 2 is the enlarged diagram of the first embodiment of the flat configuration in Fig. 1 at A.
Fig. 3 is the enlarged diagram of the second embodiment of the flat configuration in Fig. 1 at A.
Reference:
1 upper bolster；2 pressure heads；3 lower bolsters；4 die shoes；5 smooth pieces；51 steps；52 wedges；6 is solid
Determine block；7 five metals thin plates.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
A kind of detailed description of the invention of the cupping tool of the present invention, as it is shown in figure 1, include upper bolster 1 and die shoe 4, on
Die holder 1 is provided with the pressure head 2 for punching press five metals thin plate 7, and die shoe 4 is provided with the lower bolster 3 for bearing five metals thin plate 7,
The lower end of pressure head 2 has protuberance (figure do not mark), and the upper end of lower bolster 3 has the groove that the shape with protuberance adapts, and (figure is not
Mark), pressure head 2 is to forming convex closure, correspondence convex closure and five metals thin plate outside pressure head 2 during five metals thin plate 7 punching press on five metals thin plate 7 surface
The position of the intersection on 7 surfaces is provided with the flat configuration for intersection carries out smooth process.
During use: five metals thin plate 7 is delivered on lower bolster 3, under the power that the external world is downward, upper bolster 1 band dynamic head 2 He
Flat configuration moves down, and five metals thin plate 7 is pressed in the groove of lower bolster 3 by the protuberance of pressure head 2, thus at five metals thin plate 7 table
Face forms a convex closure, and simultaneously or subsequently, the intersection of convex closure Yu five metals thin plate 7 surface is carried out shearing by flat configuration to be squeezed
Pressure, thus eliminate intersection due to the flowing of material and the tension force that produces during drawing, effectively prevent this intersection and produce distortion
Or uneven whole so that five metals thin plate 7 surface after processing is the most smooth.
Specifically, as in figure 2 it is shown, flat configuration includes smooth piece 5 and for intersection carries out the step of smooth process
51, the bottom of smooth piece 5 is located at by step 51.
In order to adapt to the five metals thin plate 7 of different-thickness, the height of step 51 is set to 0.2-0.5mm.Use this height
Step 51 carry out shear extrusion process time, it is possible to make five metals thin plate 7 surface being positioned at intersection be extruded the thickness of 0.2-0.5mm
Degree such that it is able to preferably eliminate the tension force of this intersection, it is to avoid five metals thin plate 7 produces distortion or uneven whole.
Preferably, the height of step 51 is set to 0.3mm.
As it is shown on figure 3, another embodiment of flat configuration, including smooth piece 5 with for intersection is carried out smooth place
The wedge 52 of reason, wedge 52 is located at the bottom of smooth piece 5.
In order to prevent five metals thin plate 7 two ends from sticking up, also include the fixed block 6 for fixing five metals thin plate 7, fixed block 6
It is fixedly connected on the lower end of upper bolster 1.
In order to reduce cost, smooth piece 5 lower surface being fixedly connected on upper bolster 1 or the side of pressure head 2.
In order to reduce cost, the lower end of upper bolster 1 is fixing with pressure head 2 to be connected, and the upper end of die shoe 4 is fixed with lower bolster 3
Connect.
A kind of detailed description of the invention of the method for drawing of the present invention, including:
Punch steps: use pressure head that five metals thin plate is carried out cold stamping thus form convex closure at five metals thin sheet surface；
Modification step: to obtaining product after modifying on five metals thin sheet surface；
After punch steps, before modification step, or after modification step, also include planarization step:
Use above-mentioned flat configuration that the intersection of convex closure Yu five metals thin sheet surface is carried out smooth process.
A kind of method for drawing of the present invention, enters the intersection of convex closure with five metals thin sheet surface owing to have employed flat configuration
Row shear extrusion, thus eliminate intersection due to the flowing of material and the tension force that produces during drawing, effectively prevent this intersection
Produce distortion or uneven whole so that the five metals thin sheet surface after processing is the most smooth.
Specifically, in described planarization step, use flat configuration that intersection carries out shear extrusion from the top down, shear and squeeze
The degree of depth of pressure is set to 0.2-0.5mm.When the degree of depth of shear extrusion is set to 0.2-0.5mm, it is possible to make to be positioned at the five of intersection
Gold thin plate 7 surface is extruded the thickness of 0.2-0.5mm such that it is able to preferably eliminate the tension force of this intersection, it is to avoid five metals
Thin plate 7 produces distortion or uneven whole.Preferably, the degree of depth of described shear extrusion is set to 0.3mm.
Last it should be noted that, above example is only in order to illustrate technical scheme, rather than the present invention is protected
Protecting the restriction of scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (9)
1. a cupping tool, including upper bolster and die shoe, upper bolster is provided with the pressure head for punching press five metals thin plate, lower mold
Seat is provided with the lower bolster for bearing five metals thin plate, and the lower end of pressure head has protuberance, and the upper end of lower bolster has and protuberance
The groove that shape adapts, pressure head forms convex closure to during five metals sheet stamping at five metals thin sheet surface, it is characterised in that: outside pressure head
Side correspondence convex closure is provided with the flat configuration for intersection carries out smooth process with the position of the intersection of five metals thin sheet surface.
2. a kind of cupping tool as claimed in claim 1, it is characterised in that: described flat configuration includes smooth piece and for right
Intersection carries out the step of smooth process, and the bottom of smooth piece is located at by step.
3. a kind of cupping tool as claimed in claim 2, it is characterised in that: the height of described step is set to 0.2-0.5mm.
4. a kind of cupping tool as claimed in claim 3, it is characterised in that: the height of described step is set to 0.3mm.
5. a kind of cupping tool as claimed in claim 1, it is characterised in that: flat configuration includes smooth piece and for boundary
Place carries out the wedge of smooth process, and wedge is located at the bottom of smooth piece.
6. a kind of cupping tool as described in claim 2 or 5, it is characterised in that: cupping tool also includes for fixing five metals
The fixed block of thin plate, fixed block is fixedly connected on the lower surface of upper bolster.
7. a method for drawing for the cupping tool as described in any one of claim 1-6, including:
(1) punch steps: use pressure head that five metals thin plate is carried out cold stamping thus form convex closure at five metals thin sheet surface；
(2) modification step: the surface of five metals thin plate is modified；
It is characterized in that: between punch steps and modification step, also include planarization step:
Use described flat configuration that the intersection of convex closure Yu five metals thin sheet surface is carried out smooth process.
8. method for drawing as claimed in claim 7 a kind of, it is characterised in that: in described planarization step, use flat configuration from
The upper downward intersection to convex closure Yu five metals thin sheet surface carries out shear extrusion, and the degree of depth of shear extrusion is set to 0.2-0.5mm.
9. a kind of method for drawing as claimed in claim 8, it is characterised in that: the degree of depth of described shear extrusion is set to 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580661.5A CN106040860B (en) | 2016-07-21 | 2016-07-21 | A kind of cupping tool and method for drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580661.5A CN106040860B (en) | 2016-07-21 | 2016-07-21 | A kind of cupping tool and method for drawing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106040860A true CN106040860A (en) | 2016-10-26 |
| CN106040860B CN106040860B (en) | 2018-08-24 |
Family
ID=57417056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610580661.5A Active CN106040860B (en) | 2016-07-21 | 2016-07-21 | A kind of cupping tool and method for drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106040860B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096121A (en) * | 2000-09-20 | 2002-04-02 | Takao Watanabe | Graphite mold device for press molding of superplasticity processing material |
| CN101767147A (en) * | 2008-12-26 | 2010-07-07 | 海尔集团公司 | Drawing and bending molding process and die of refrigerator backboard |
| CN101780503A (en) * | 2009-11-13 | 2010-07-21 | 东风襄樊旋压件有限公司 | Drawing die |
| CN102601228A (en) * | 2012-03-08 | 2012-07-25 | 昆山市三景精密模具有限公司 | Punching mould of LCD (liquid crystal display) flat-panel display back plane bevel edge convex packet and punching method |
| CN203245261U (en) * | 2013-03-15 | 2013-10-23 | 海洋世纪（青岛）精密制品有限公司 | Bending die of sheet metal materials |
| CN103567291A (en) * | 2012-07-30 | 2014-02-12 | 苏州飞宇精密科技股份有限公司 | Stamping die |
| CN205904314U (en) * | 2016-07-21 | 2017-01-25 | 东莞市豪顺精密科技有限公司 | Deep drawing die |
-
2016
- 2016-07-21 CN CN201610580661.5A patent/CN106040860B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096121A (en) * | 2000-09-20 | 2002-04-02 | Takao Watanabe | Graphite mold device for press molding of superplasticity processing material |
| CN101767147A (en) * | 2008-12-26 | 2010-07-07 | 海尔集团公司 | Drawing and bending molding process and die of refrigerator backboard |
| CN101780503A (en) * | 2009-11-13 | 2010-07-21 | 东风襄樊旋压件有限公司 | Drawing die |
| CN102601228A (en) * | 2012-03-08 | 2012-07-25 | 昆山市三景精密模具有限公司 | Punching mould of LCD (liquid crystal display) flat-panel display back plane bevel edge convex packet and punching method |
| CN103567291A (en) * | 2012-07-30 | 2014-02-12 | 苏州飞宇精密科技股份有限公司 | Stamping die |
| CN203245261U (en) * | 2013-03-15 | 2013-10-23 | 海洋世纪（青岛）精密制品有限公司 | Bending die of sheet metal materials |
| CN205904314U (en) * | 2016-07-21 | 2017-01-25 | 东莞市豪顺精密科技有限公司 | Deep drawing die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106040860B (en) | 2018-08-24 |
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