CN106040860B - A kind of cupping tool and method for drawing - Google Patents
A kind of cupping tool and method for drawing Download PDFInfo
- Publication number
- CN106040860B CN106040860B CN201610580661.5A CN201610580661A CN106040860B CN 106040860 B CN106040860 B CN 106040860B CN 201610580661 A CN201610580661 A CN 201610580661A CN 106040860 B CN106040860 B CN 106040860B
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- Prior art keywords
- hardware
- intersection
- hardware thin
- pressure head
- sheet surface
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to hardware dies technical fields, more particularly to a kind of cupping tool and method for drawing, shown mold includes upper die holder and lower die holder, upper die holder is provided with the pressure head for punching press hardware thin plate, lower die holder is provided with the lower template for bearing hardware thin plate, the lower end of pressure head has protrusion, the upper end of lower template has the groove adaptable with the shape of protrusion, when pressure head is to hardware sheet stamping convex closure is formed in hardware thin sheet surface, the position of corresponding convex closure and the intersection of hardware thin sheet surface is equipped with the flat configuration for carrying out smooth processing to intersection on the outside of pressure head.Compared with prior art, a kind of cupping tool and method for drawing of the present invention, shear extrusion is carried out to the intersection of convex closure and hardware thin sheet surface using flat configuration, the tension generated to the flowing of material when eliminating intersection due to drawing, it effectively prevents the intersection and generates distortion or uneven whole so that the hardware thin sheet surface after processing is more smooth.
Description
Technical field
The present invention relates to hardware thin plate processing technique fields, and in particular to a kind of cupping tool and method for drawing.
Background technology
This kind of hardware thin plate of hardware thin plate is downward due to by the effect of the downward cold stamping of pressure head in the process of convex hull
Drawing, hardware thin sheet surface are formed the convex closure of certain depth by the position of drawing, and in drawing process, hardware thin sheet surface is drawn
The material of deep position can flow, and to generate tension, in the intersection of convex closure and hardware thin sheet surface, this tension is particularly bright
Aobvious, the convex closure in hardware thin plate is generally 3mm-1m by the depth of drawing, and the depth of convex closure is deeper, and the tension of generation is bigger, example
Such as the dorsal shield of cathode-ray tube display, convex closure needs drawing to 1m, thus the tension generated is particularly evident, which causes
Hardware thin plate sticks up distortion or concave-convex arch camber out-of-flatness in the intersection.
Invention content
It is an object of the present invention in view of the deficiencies of the prior art, and provide a kind of cupping tool and drawing side
Method so that the hardware thin sheet surface prepared is more smooth.
To achieve the above object, the present invention provides a kind of cupping tool, including upper die holder and lower die holder, upper die holder are provided with
For the pressure head of punching press hardware thin plate, lower die holder is provided with the lower template for bearing hardware thin plate, and the lower end of pressure head is with convex
The upper end in portion, lower template has the groove adaptable with the shape of protrusion, in hardware sheet when pressure head is to hardware sheet stamping
Face forms convex closure, and the position of corresponding convex closure and the intersection of hardware thin sheet surface is equipped with for putting down intersection on the outside of pressure head
The flat configuration of whole processing.
Wherein, the flat configuration includes smooth piece and the step for carrying out smooth processing to intersection, and step is set to
Smooth piece of bottom.
Wherein, the step height is set as 0.2-0.5mm.
Wherein, the step height is set as 0.3mm.
Wherein, flat configuration includes smooth piece and the wedge block for carrying out smooth processing to intersection, and wedge block is set to
Smooth piece of bottom.
Wherein, cupping tool further includes the fixed block for fixing hardware thin plate, and fixed block is fixedly connected on upper die holder
Lower face.
The present invention also provides a kind of method for drawing, including：
（1）Punch steps：Cold stamping is carried out to form convex closure in hardware thin sheet surface to hardware thin plate using pressure head；
（2）Modification step：The surface of hardware thin plate is modified；
Further include planarization step between punch steps and modification step：
Smooth processing is carried out to the intersection of convex closure and hardware thin sheet surface using the flat configuration.
Wherein, in the planarization step, using flat configuration from the top down to the intersection of convex closure and hardware thin sheet surface
Shear extrusion is carried out, the depth of shear extrusion is set as 0.2-0.5mm.
Wherein, the depth of the shear extrusion is set as 0.3mm.
Beneficial effects of the present invention：
A kind of cupping tool of the present invention, hardware thin plate are delivered in lower template, under extraneous downward power, upper die holder
The whole structure of band dynamic head peace moves down, and hardware thin plate is pressed into the groove of lower template by the protrusion of pressure head, in hardware
Thin sheet surface forms a convex closure, and simultaneously or subsequently, flat configuration cuts the intersection of convex closure and hardware thin sheet surface
Extruding is cut, the tension generated to the flowing of material when eliminating intersection due to drawing effectively prevents intersection generation
Distortion is uneven whole so that the hardware thin sheet surface after processing is more smooth.
A kind of method for drawing of the present invention, uses flat configuration and is cut to the intersection of convex closure and hardware thin sheet surface
Extruding is cut, the tension generated to the flowing of material when eliminating intersection due to drawing effectively prevents intersection generation
Distortion is uneven whole so that the hardware thin sheet surface after processing is more smooth.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is a kind of diagrammatic cross-section of cupping tool of the present invention.
Fig. 2 is the enlarged diagram of the first embodiment of the flat configuration at A in Fig. 1.
Fig. 3 is the enlarged diagram of second of embodiment of the flat configuration at A in Fig. 1.
Reference numeral：
1-upper die holder；2-pressure heads；3-lower templates；4-lower die holders；5-smooth pieces；51-steps；52-wedge blocks；
6-fixed blocks；7-hardware thin plates.
Specific implementation mode
Below in conjunction with specific embodiment and attached drawing, the present invention is described in detail.
A kind of specific implementation mode of cupping tool of the present invention, as shown in Figure 1, including upper die holder 1 and lower die holder 4, on
Die holder 1 is provided with the pressure head 2 for punching press hardware thin plate 7, and lower die holder 4 is provided with the lower template 3 for bearing hardware thin plate 7,
The lower end of pressure head 2 has protrusion（Figure is not marked）, the upper end of lower template 3 has the groove adaptable with the shape of protrusion（Figure is not
Mark）, when pressure head 2 is to hardware 7 punching press of thin plate convex closure, the corresponding convex closure in 2 outside of pressure head and hardware thin plate are formed on 7 surface of hardware thin plate
The position of the intersection on 7 surfaces is equipped with the flat configuration for carrying out smooth processing to intersection.
When use：Hardware thin plate 7 is delivered in lower template 3, and under extraneous downward power, upper die holder 1 is with 2 He of dynamic head
Flat configuration moves down, and hardware thin plate 7 is pressed into the groove of lower template 3 by the protrusion of pressure head 2, in 7 table of hardware thin plate
Face forms a convex closure, and simultaneously or subsequently, flat configuration carries out shearing to the intersection of convex closure and 7 surface of hardware thin plate and squeezes
Pressure, the tension generated to the flowing of material when eliminating intersection due to drawing effectively prevent the intersection and generate distortion
It is or uneven whole so that 7 surface of hardware thin plate after processing is more smooth.
Specifically, as shown in Fig. 2, flat configuration includes smooth piece 5 and the step for carrying out smooth processing to intersection
51, step 51 is set to smooth piece 5 of bottom.
In order to adapt to the hardware thin plate 7 of different-thickness, it sets the height of step 51 to 0.2-0.5mm.Using the height
Step 51 when carrying out shear extrusion processing, 7 surface of hardware thin plate positioned at intersection can be made to be extruded the thickness of 0.2-0.5mm
Degree avoids hardware thin plate 7 and generates distortion or uneven whole so as to preferably eliminate the tension of the intersection.
Preferably, the height of step 51 is set as 0.3mm.
As shown in figure 3, another embodiment of flat configuration, including smooth piece 5 and for carrying out smooth place to intersection
The wedge block 52 of reason, wedge block 52 are set to smooth piece 5 of bottom.
7 both ends of hardware thin plate stick up in order to prevent, further include the fixed block 6 for fixing hardware thin plate 7, fixed block 6
It is fixedly connected on the lower end of upper die holder 1.
In order to reduce the side of cost, smooth piece 5 lower face for being fixedly connected on upper die holder 1 or pressure head 2.
In order to reduce cost, the lower end of upper die holder 1 is fixedly connected with pressure head 2, and upper end and the lower template 3 of lower die holder 4 are fixed
Connection.
A kind of specific implementation mode of method for drawing of the present invention, including：
Punch steps：Cold stamping is carried out to form convex closure in hardware thin sheet surface to hardware thin plate using pressure head；
Modification step：To obtaining product after being modified on hardware thin sheet surface；
Further include planarization step after punch steps, before modification step, or after modification step：
Smooth processing is carried out to the intersection of convex closure and hardware thin sheet surface using above-mentioned flat configuration.
A kind of method for drawing of the present invention, as a result of flat configuration to the intersection of convex closure and hardware thin sheet surface into
Row shear extrusion, the tension generated to the flowing of material when eliminating intersection due to drawing, effectively prevents the intersection
Generate distortion or uneven whole so that the hardware thin sheet surface after processing is more smooth.
Specifically, in the planarization step, shear extrusion is carried out to intersection using flat configuration from the top down, shearing is squeezed
The depth of pressure is set as 0.2-0.5mm.When the depth of shear extrusion is set as 0.2-0.5mm, five positioned at intersection can be made
The thickness that 7 surface of golden thin plate is extruded 0.2-0.5mm avoids hardware so as to preferably eliminate the tension of the intersection
Thin plate 7 generates distortion or uneven whole.Preferably, the depth of the shear extrusion is set as 0.3mm.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (9)
1. a kind of cupping tool, including upper die holder and lower die holder, upper die holder are provided with the pressure head for punching press hardware thin plate, lower die
Seat is provided with the lower template for bearing hardware thin plate, and there is protrusion, the upper end of lower template to have and protrusion for the lower end of pressure head
Shape adaptable groove forms convex closure when pressure head is to hardware sheet stamping in hardware thin sheet surface, it is characterised in that：Outside pressure head
Side corresponds to convex closure with the position of the intersection of hardware thin sheet surface equipped with the flat configuration for carrying out smooth processing to intersection.
2. a kind of cupping tool as described in claim 1, it is characterised in that：The flat configuration include smooth piece and for pair
Intersection carries out the step of smooth processing, and step is set to smooth piece of bottom.
3. a kind of cupping tool as claimed in claim 2, it is characterised in that：The height of the step is set as 0.2-0.5mm.
4. a kind of cupping tool as claimed in claim 3, it is characterised in that：The height of the step is set as 0.3mm.
5. a kind of cupping tool as described in claim 1, it is characterised in that：Flat configuration includes smooth piece and is used for having a common boundary
Place carries out the wedge block of smooth processing, and wedge block is set to smooth piece of bottom.
6. a kind of cupping tool as described in claim 2 or 5, it is characterised in that：Cupping tool further includes for fixing hardware
The fixed block of thin plate, fixed block are fixedly connected on the lower face of upper die holder.
7. a kind of method for drawing of cupping tool as claimed in any one of claims 1 to 6, including：
（1）Punch steps：Cold stamping is carried out to form convex closure in hardware thin sheet surface to hardware thin plate using pressure head；
（2）Modification step：The surface of hardware thin plate is modified；
It is characterized in that：Further include planarization step between punch steps and modification step：
Smooth processing is carried out to the intersection of convex closure and hardware thin sheet surface using the flat configuration.
8. a kind of method for drawing as claimed in claim 7, it is characterised in that：In the planarization step, using flat configuration from
On shear extrusion is carried out to the intersection of convex closure and hardware thin sheet surface downwards, the depth of shear extrusion is set as 0.2-0.5mm.
9. a kind of method for drawing as claimed in claim 8, it is characterised in that：The depth of the shear extrusion is set as 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 CN106040860A (en) | 2016-10-26 |
| CN106040860B true 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 |
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| Country | Link |
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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 |
|---|---|
| CN106040860A (en) | 2016-10-26 |
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