CN104690113A - Punching method for clip - Google Patents
Punching method for clip Download PDFInfo
- Publication number
- CN104690113A CN104690113A CN201510121862.4A CN201510121862A CN104690113A CN 104690113 A CN104690113 A CN 104690113A CN 201510121862 A CN201510121862 A CN 201510121862A CN 104690113 A CN104690113 A CN 104690113A
- Authority
- CN
- China
- Prior art keywords
- arc
- punch
- die
- shaped
- drift
- 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.)
- Granted
Links
- 238000004080 punching Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000011017 operating method Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
-
- 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
Abstract
The invention discloses a punching method for a clip, which utilizes a clip punching die. The punching method comprises the following operation steps: A, arranging a convex die on a punching machine by a punching connection plate; B, putting a blank plate to be punched into a blank plate positioning groove and enabling one side edge of the blank plate to be leveled with one side edge of the blank plate positioning groove; C, starting the punching machine so that an arc-shaped punch of the convex die is driven to move downwards to extrude the blank plate into an arc-shaped groove of a concave die; D, enabling the arc-shaped punch of the convex die to stay in the arc-shaped groove of the concave die for 1-2 minutes so that an arc-shaped plate of the punched and molded U-shaped clip and straight plates on the two sides of the arc-shaped plate are shaped; and D, driving the arc-shaped punch of the convex die to move upwards, and unloading the U-shaped clip to finish the punching of the U-shaped clip. Compared with the prior art, the problems that the plane degree of an existing U-shaped clip molding plane is very bad and the straight plates on the two sides of the U-shaped clip are not parallel can be solved.
Description
Technical field
The present invention relates to Machining Technology field, especially a kind of method for carrying out punching press to the U-shaped clamp of scaffold.
Background technology
In scaffold, U-shaped clamp is the important parts of connecting pin hand cradle, this U-shaped clamp is primarily of an arc and the straight plate formation being located at these arc two ends, the radius of this arc concave profile is r1, the thickness of the straight plate of this arc and both sides is b, and the distance of described arc concave profile top to straight plate termination is H.Because the degree of depth of this U-shaped clamp arc intrados top to straight plate termination is large, use the molding mode of conventional punch mould, the flatness that often first H reaches the dark aftershaping plane of theoretical degree is also difficult to reach requirement, causes mould maintenance repeatedly, extends the manufacturing cycle of mould greatly; It two is that the straight plate of stamping forming U-shaped clamp both sides is not parallel.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of process for stamping of clamp, the uneven problem of straight plate of and U-shaped clamp both sides overproof with the flatness solving existing U-shaped clamp molding flat.
The technical scheme that technical solution problem of the present invention adopts is: the process for stamping of this clamp, U-shaped clamp is made up of a described arc and the straight plate that is attached at described arc two ends respectively, the radius of described arc concave profile is r1, described in described arc and both sides, the thickness of straight plate is b, the distance of described arc concave profile top to described straight plate termination is H, use a kind of clamp stamping compression mould, this clamp stamping compression mould comprises the die being provided with arc groove and the punch being provided with arc drift, the radius r of the arc drift of described punch is radius r 1+0.025 millimeter ~ 0.035 millimeter of the arc concave profile of described U-shaped clamp, the radius R 1 of described die arc groove is the radius r of the arc drift of described punch and described arc thickness b sum+0.025 millimeter ~ 0.035 millimeter, the degree of depth h of described die arc groove is that described arc concave profile top is to 1/2 of straight plate termination distance H, blanket locating slot is provided with at described die end face, the arc drift of described punch is connected with stamping connection plate by depression bar, and the thickness e of described depression bar is less than the diameter of the arc drift of described punch,
Comprise following operating procedure:
A, described punch is contained on punch press by described stamping connection plate;
B, blanket to be punched to be placed in described blanket locating slot, and to make a side of described blanket concordant with described blanket locating slot one side;
C, start and be about to described blanket under punch press makes it drive the arc drift of described punch and be squeezed in the arc groove of described die;
D, the arc drift of described punch is rested on described die arc groove in 1 minute ~ 2 minutes, make the straight plate sizing of the arc of stamping forming described U-shaped clamp and arc both sides;
E, drive the arc drift of described punch up, unload the punching press that namely described U-shaped clamp completes this U-shaped clamp.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect: radius r 1+0.025 ~ 0.035 millimeter 1, due to punch arc punch radius r being the arc concave profile of U-shaped clamp, and the radius R 1 of die arc groove is that the radius r of punch arc drift and arc thickness b sum add+0.025 ~ 0.035 millimeter again; And the degree of depth h of die arc groove is arc concave profile top to 1/2 of straight plate termination distance H, the straight plate of stamping forming U-shaped clamp both sides is parallel, and the flatness on U-shaped clamp surface reaches designing requirement; 2, structure is simple, and cost of manufacture is lower, substantially increases the manufacturing cycle shortening mould.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the U-shaped clamp of the embodiment of the present invention.
Fig. 2 is the structural representation of the clamp stamping compression mould of the embodiment of the present invention.
Fig. 3 is the K direction view of Fig. 2.
Fig. 4 is the partial enlarged drawing at the A place of Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment 1:
As shown in Figure 1 be U-shaped clamp 3, this U-shaped clamp 3 is made up of an arc and the straight plate that links these arc two ends respectively, the radius of this arc concave profile is r1, and the thickness of the straight plate of this arc and both sides is b, and the distance of this arc concave profile top to straight plate termination is H.Use the clamp stamping compression mould shown in Fig. 2, Fig. 3 and Fig. 4, the process for stamping of this clamp comprises the die 1 having arc groove and the punch being provided with arc drift, and one end of the arc drift 2-2 of punch is connected with stamping connection plate 2-1; The radius r of punch arc drift is the radius r 1+0.025 millimeter of the arc concave profile of U-shaped clamp, i.e. r=r1+0.025 millimeter; The arc drift 2-2 of punch is connected with stamping connection plate 2-1 by depression bar 2, and the thickness e of depression bar 2 is less than the diameter 2r of the arc drift 2-2 of punch, so that the demoulding; The radius R 1 of die 1 arc groove is radius r and arc thickness b sum+0.025 millimeter, i.e. the R1=r+b+0.025 millimeter=r1+b+0.05 millimeter of punch arc drift; Arc groove opening and die 1 end face junction are provided with arc transiting surface, have blanket locating slot 1-1 at die 1 end face; The degree of depth h of die 1 arc groove is that arc concave profile top equals the length of run of U-shaped clamp 3 to 1/2, the width L of die 1 of straight plate termination distance H;
It comprises following operating procedure:
A, punch is contained on punch press by stamping connection plate 2-1;
B, blanket to be punched to be placed in blanket locating slot 1-1, and to make a side of blanket concordant with blanket locating slot 1-1 mono-side;
C, start and be about to blanket under punch press makes it drive the arc drift 2-2 of punch and be squeezed in the arc groove of die 1;
D, the arc drift 2-2 of punch is rested on die 1 arc groove in 1 minute, make the straight plate sizing of the arc of stamping forming U-shaped clamp 3 and arc both sides;
The arc drift 2-2 of E, driving punch is up, unloads the punching press that namely U-shaped clamp 3 completes this U-shaped clamp 3.
Embodiment 2:
Use the clamp stamping compression mould shown in Fig. 2, Fig. 3 and Fig. 4, the process for stamping of this clamp comprises the die 1 having arc groove and the punch being provided with arc drift, and one end of the arc drift of punch is connected with stamping connection plate 2-1; The radius r of punch arc drift is the radius r 1+0.035 millimeter of the arc concave profile of U-shaped clamp, i.e. r=r1+0.035 millimeter; The arc drift 2-2 of punch is connected with stamping connection plate 2-1 by depression bar 2, and the thickness e of depression bar 2 is less than the diameter 2r of the arc drift 2-2 of punch; The radius R 1 of die 1 arc groove is radius r and arc thickness b sum+0.035 millimeter, i.e. the R1=r+b+0.035 millimeter=r1+b+0.07 millimeter of punch arc drift; Arc groove opening and die 1 end face junction are provided with arc transiting surface, have blanket locating slot 1-1 at die 1 end face; The degree of depth h of die 1 arc groove is that arc concave profile top equals the length of run of U-shaped clamp 3 to 1/2, the width L of die 1 of straight plate termination distance H;
It comprises following operating procedure:
A, punch is contained on punch press by stamping connection plate 2-1;
B, blanket to be punched to be placed in blanket locating slot 1-1, and to make a side of blanket concordant with blanket locating slot 1-1 mono-side;
C, start and be about to blanket under punch press makes it drive the arc drift 2-2 of punch and be squeezed in the arc groove of die 1;
D, the arc drift 2-2 of punch is rested on die 1 arc groove in 2 minutes, make the straight plate sizing of the arc of stamping forming U-shaped clamp 3 and arc both sides;
The arc drift 2-2 of E, driving punch is up, unloads the punching press that namely U-shaped clamp 3 completes this U-shaped clamp 3.
Claims (1)
1. the process for stamping of a clamp, U-shaped clamp is made up of a described arc and the straight plate that is attached at described arc two ends respectively, the radius of described arc concave profile is r1, described in described arc and both sides, the thickness of straight plate is b, the distance of described arc concave profile top to described straight plate termination is H, it is characterized in that: use a kind of clamp stamping compression mould, this clamp stamping compression mould comprises the die (1) being provided with arc groove and the punch being provided with arc drift (2-2), the radius r of the arc drift (2-2) of described punch is radius r 1+0.025 millimeter ~ 0.035 millimeter of the arc concave profile of described U-shaped clamp, the radius R 1 of described die (1) arc groove is the radius r of the arc drift (2-2) of described punch and described arc thickness b sum+0.025 millimeter ~ 0.035 millimeter, the degree of depth h of described die (1) arc groove is that described arc concave profile top is to 1/2 of straight plate termination distance H, blanket locating slot (1-1) is provided with at described die (1) end face, the arc drift (2-2) of described punch is connected with stamping connection plate (2-1) by depression bar (2), and the thickness e of described depression bar (2) is less than the diameter of the arc drift (2-2) of described punch,
Comprise following operating procedure:
A, described punch is contained on punch press by described stamping connection plate (2-1);
B, blanket to be punched to be placed in described blanket locating slot (1-1), and to make a side of described blanket concordant with described blanket locating slot (1-1) side;
C, start and be about to described blanket under punch press makes it drive the arc drift (2-2) of described punch and be squeezed in the arc groove of described die (1);
D, the arc drift (2-2) of described punch is rested on described die (1) arc groove in 1 minute ~ 2 minutes, make the straight plate sizing of the arc of stamping forming described U-shaped clamp (3) and arc both sides;
E, drive the arc drift (2-2) of described punch up, unload the punching press that described U-shaped clamp (3) namely completes this U-shaped clamp (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121862.4A CN104690113B (en) | 2015-03-19 | 2015-03-19 | The process for stamping of clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121862.4A CN104690113B (en) | 2015-03-19 | 2015-03-19 | The process for stamping of clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690113A true CN104690113A (en) | 2015-06-10 |
| CN104690113B CN104690113B (en) | 2017-05-31 |
Family
ID=53337879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510121862.4A Active CN104690113B (en) | 2015-03-19 | 2015-03-19 | The process for stamping of clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104690113B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382058A (en) * | 2015-12-16 | 2016-03-09 | 北京北方车辆集团有限公司 | Mold for long-cylinder-shaped plastic thin metal frame processing |
| CN110102609A (en) * | 2019-05-24 | 2019-08-09 | 广西超威鑫锋能源有限公司 | A kind of curved tab mold of side plug-in type |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331968A (en) * | 1992-06-03 | 1993-12-14 | Osaka Tokushu Kokan Seizosho:Kk | Angular steel column and its manufacture |
| CN201008920Y (en) * | 2007-04-06 | 2008-01-23 | 李文元 | Bending die for controlling springback |
| CN101585066A (en) * | 2009-06-23 | 2009-11-25 | 重庆大学 | A kind of sectional bending mould for machining heavy forging |
| CN101856693A (en) * | 2010-05-25 | 2010-10-13 | 李义 | Moving die compressive stress decomposing and forming method, volume spring and U-shaped bolt composite bending die |
| CN102950211A (en) * | 2012-11-29 | 2013-03-06 | 重庆市华青汽车配件有限公司 | Pressure-regulating forming mold for U-shaped bend piece |
| CN103990672A (en) * | 2014-05-07 | 2014-08-20 | 云顶汽车部件股份有限公司 | Cold stamping forming springback control method for high-strength steel |
| CN203991973U (en) * | 2014-06-06 | 2014-12-10 | 凤阳县大明农牧科技发展有限公司 | A kind of cylindrical tube connecting clamp mould |
-
2015
- 2015-03-19 CN CN201510121862.4A patent/CN104690113B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331968A (en) * | 1992-06-03 | 1993-12-14 | Osaka Tokushu Kokan Seizosho:Kk | Angular steel column and its manufacture |
| CN201008920Y (en) * | 2007-04-06 | 2008-01-23 | 李文元 | Bending die for controlling springback |
| CN101585066A (en) * | 2009-06-23 | 2009-11-25 | 重庆大学 | A kind of sectional bending mould for machining heavy forging |
| CN101856693A (en) * | 2010-05-25 | 2010-10-13 | 李义 | Moving die compressive stress decomposing and forming method, volume spring and U-shaped bolt composite bending die |
| CN102950211A (en) * | 2012-11-29 | 2013-03-06 | 重庆市华青汽车配件有限公司 | Pressure-regulating forming mold for U-shaped bend piece |
| CN103990672A (en) * | 2014-05-07 | 2014-08-20 | 云顶汽车部件股份有限公司 | Cold stamping forming springback control method for high-strength steel |
| CN203991973U (en) * | 2014-06-06 | 2014-12-10 | 凤阳县大明农牧科技发展有限公司 | A kind of cylindrical tube connecting clamp mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382058A (en) * | 2015-12-16 | 2016-03-09 | 北京北方车辆集团有限公司 | Mold for long-cylinder-shaped plastic thin metal frame processing |
| CN110102609A (en) * | 2019-05-24 | 2019-08-09 | 广西超威鑫锋能源有限公司 | A kind of curved tab mold of side plug-in type |
| CN110102609B (en) * | 2019-05-24 | 2023-09-22 | 广西超威能源有限公司 | Side inserted type lug bending die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104690113B (en) | 2017-05-31 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170322 Address after: No. 19 A District 545006 building the Guangxi Zhuang Autonomous Region Liuzhou Liu Dong New Area chuyang road 3 No. 151 (hi tech Zone) Applicant after: Guangxi Liuzhou Zhongjia Intellectual Property Rights Service Co., Ltd. Address before: The horse factory 545002 Liuzhou Road, No. 1 the Guangxi Zhuang Autonomous Region Lu Industrial Base of small and medium sized enterprises Applicant before: Liuzhou Yongyi Machinery Manufacturing Co., Ltd. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Guoqing Inventor before: Chen Yukun Inventor before: Shi Lei Inventor before: Wu Huan |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170503 Address after: 511458, No. 2, No. 45, prosperous road, Dagangshan Town, Nansha District, Guangdong, Guangzhou Applicant after: Guangzhou Ou Hua Electric Co., Ltd. Address before: No. 19 A District 545006 building the Guangxi Zhuang Autonomous Region Liuzhou Liu Dong New Area chuyang road 3 No. 151 (hi tech Zone) Applicant before: Guangxi Liuzhou Zhongjia Intellectual Property Rights Service Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200115 Address after: 511470 ground floor, No.45 Fansheng Road, Dagang Town, Nansha District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU WEIHUA ENERGY SAVING EQUIPMENT CO., LTD. Address before: 511458, No. 2, No. 45, prosperous road, Dagangshan Town, Nansha District, Guangdong, Guangzhou Patentee before: Guangzhou Ou Hua Electric Co., Ltd. |