CN103611795B - A kind of square washer progressive die production technology - Google Patents

A kind of square washer progressive die production technology Download PDF

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Publication number
CN103611795B
CN103611795B CN201310571381.4A CN201310571381A CN103611795B CN 103611795 B CN103611795 B CN 103611795B CN 201310571381 A CN201310571381 A CN 201310571381A CN 103611795 B CN103611795 B CN 103611795B
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blank
carries
punch
mesopore
angle
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Expired - Fee Related
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CN201310571381.4A
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CN103611795A (en
Inventor
覃福庶
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Guangzhou Shun Chen metal products Co., Ltd.
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Wuzhou Hengsheng Electronic Technology Co Ltd
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Abstract

The present invention relates to technical field of mold, disclose a kind of square washer progressive die production technology, comprise and adopt continuous mould to carry out following steps, S1 cuts the step of step pitch to blank; S2 carries out pre-punching for accurately locating the step of the bullport of material strip to blank; S3 carries out to blank the step that essence rushes mesopore; S4 carries out the step at mesopore precompressed angle to blank; S5 carries out the step of pressing pressure angle, mesopore two sides R to blank; S6 carries out the step of punch to blank; S7 draws the step of light mesopore to blank; S8 carries out the step of trimming to blank, generates square washer product; S9 square shaped washer product carries out the step be separated; In step s 5, the pressure angle punch carrying out pressing pressure angle, mesopore two sides R is the pressure angle punch with one side inclination angle; In step s 6, punch die is fixed on a stripper, and follows material strip interlock, produces punch action again time at the bottom of mould top.One aspect of the present invention decreases the difficulty of discharging; Not easily produce flexural deformation on the other hand.

Description

A kind of square washer progressive die production technology
Technical field
The present invention relates to technical field of mold, more particularly, particularly one square washer progressive die production technology.
Background technology
Square washer is one of Hardware fitting of electroacoustic trumpet.Fig. 1 a, Fig. 1 b are depicted as typical square washer product, and the material of this part is SPHC, and material thickness is 3.0.This part key aspect is punch, and the pressure R angle on mesopore two sides, and mesopore requires higher fineness and precision.In prior art, the type product mainly adopts single die tool to produce, and step is divided into: blanking-punching-draw light three operations, and when producing, efficiency is comparatively slow, and required board is more, and operative is dangerous.Along with the demand of square washer product increases gradually, for meeting improving constantly of production efficiency, the progressive die must be adopted to produce, and slow to improve efficiency, energy consumption is large, operates unsafe situation.
Because this part key point is pressure R angle, mesopore two sides, mesopore draws light and plane punch, there is following problem: 1, when single operation is produced, and product can carry out pressure R and draw light by free turning operation, there is not discharging problem.But on the progressive die is produced, material strip can not overturn, and can only go to press another R angle from the back side, adds the difficulty of discharging greatly; 2, during punch, owing to being subject to larger impulsive force, product easily occurs bending and deformation; And in the end cut off products of separated time, adopt common thimble discharging not easily product go out part.So, be necessary that a kind of novel square washer progressive die production technology of design is to overcome above technical problem.
Summary of the invention
The object of the present invention is to provide the little and not easily diastrophic square washer progressive die production technology of a kind of discharging difficulty.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of square washer progressive die production technology, this technique comprises employing continuous mould and carries out following steps, and S1 cuts the step of step pitch to blank, produces coarse positioning and eliminates the inconsistent of itemize web width; S2 carries out pre-punching for accurately locating the step of the bullport of material strip to blank; S3 carries out to blank the step that essence rushes mesopore; S4 carries out the step at mesopore precompressed angle to blank; S5 carries out the step of pressing pressure angle, mesopore two sides R to blank; S6 carries out the step of punch to blank; S7 draws the step of light mesopore to blank; S8 carries out the step of trimming to blank, generates square washer product; S9 square shaped washer product carries out the step be separated; And in described step S5, the pressure angle punch carrying out pressing pressure angle, mesopore two sides is the pressure angle punch with one side inclination angle; And in described step S6, punch die is fixed on a stripper, and follow material strip interlock, time at the bottom of mould top, produce punch action again.
Preferably, in described step S9, the combination of thimble and air blowing is adopted to carry out part.
Preferably, before described step S1, also comprise the step that described blank is imported mould by guide post.
Preferably, the one side angle of inclination of the pressure angle punch at the one side inclination angle adopted in described step S5 is 1.5 °, and the inside of the pressure angle punch at described one side inclination angle is also provided with and the fillet waiting to press the radius at pressure angle, mesopore two sides consistent.
Preferably, the quantity of square washer product that described continuous mould punching press once generates is three.
Compared with prior art, the invention has the advantages that: the pressure angle punch at pressure pressure angle, mesopore two sides is set to have the pressure angle punch at one side inclination angle by one aspect of the present invention, decrease the difficulty of discharging, blank can conveniently be unloaded, and turningly carry out pressure angle, pressure mesopore two sides to another side; On the other hand punch die is fixed on stripper, material strip interlock can be followed, time at the bottom of mould top, produce punch action again, reach the synchronous of stripper and material strip, not easily produce flexural deformation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 a and Fig. 1 b is the structure chart of square washer described in the present invention.
Fig. 2 is the flow chart of square washer progressive die production technology of the present invention.
Fig. 3 is the material strip Layout in square washer progressive die production technology of the present invention.
Fig. 4 is the structure chart of pressing angle punch in square washer progressive die production technology of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Consult shown in Fig. 2 ~ Fig. 4, one provided by the invention square washer progressive die production technology, this technique comprises employing continuous mould and carries out following steps, and S1 cuts the step of step pitch to blank, produces coarse positioning and eliminates the inconsistent of itemize web width; S2 carries out pre-punching for accurately locating the step of the bullport of material strip to blank; S3 carries out to blank the step that essence rushes mesopore; S4 carries out the step at mesopore precompressed angle to blank; S5 carries out the step of pressing pressure angle, mesopore two sides R to blank; S6 carries out the step of punch to blank; S7 draws the step of light mesopore to blank; S8 carries out the step of trimming to blank, generates square washer product; S9 square shaped washer product carries out the step be separated; And in described step S5, carry out pressing the pressure angle punch of pressure angle, mesopore two sides R to be the pressure angle punch with one side inclination angle X, which reduce the difficulty of discharging, blank can conveniently be unloaded, and turn to another side and carry out pressure angle, pressure mesopore two sides; And in described step S6, punch die is fixed on a stripper, and follow material strip interlock, time at the bottom of mould top, produce punch action again, reach the synchronous effect of stripper and material strip, not easily produce flexural deformation; Further, in described step S9, adopt the combination of thimble and air blowing to carry out part, add out the convenience of part greatly.
In order to realize Continuous maching, before described step S1, also comprise the step that described blank is imported mould by guide post.This is because the thickness of washer plate is 3.0mm, belong to thicker material, timber intensity is large, common fixing guide mode is adopted to be difficult to washer plate to send into mould mouth, and can not instructions for use be met, therefore adopt the guide mode of rotating guide post more suitable, effectively prevent the phenomenon that gets stuck, decrease the wear extent of stock guide.
The one side angle of inclination of the pressure angle punch of the one side inclination angle X that the present invention adopts in described step S5 is 1.5 °, also be provided with in the inside of the pressure angle punch at described one side inclination angle and the described fillet R1 waiting to press the radius of pressure angle, mesopore two sides R consistent, such one side is convenient to the processing waiting to press pressure angle, mesopore two sides R, be convenient to discharging on the other hand, blank conveniently can be unloaded, then turn to another side and carry out pressure angle, pressure mesopore two sides.Further, the quantity of square washer product that continuous mould punching press of the present invention once generates is three.
Corresponding, on Design of Dies, because mould volume is comparatively large, single amount is also large, and it is inconvenient that whole set of die pulls down maintenance, for larger blanking punch, all adopts screw fixed, conveniently pulls down maintenance.And arranging die is all mold inserts, is directly installed on concave template, can directly take off when keeping in repair, simultaneously because sheet material is thicker, die wear amount is large, and inlaid piece of mould all have employed SKD11 processing, hot place amount: HRC60-62 °.Further, punch die is because need follow material strip synchronization action, so punch female mold part has been made the structure of floating cavity die, die is fixed on stripper.Meanwhile, because punch punch and punch die are because often needing to change part, sharpening, so also use mold insert to enter block form, easy disassembly and maintenance.And in order to material strip can be unloaded and lift when this step punching press completes, all install the powerful device for discharging of secondary additional at each punch die and punch punch retainer, be namely provided with secondary lastics thimble.
Stripper plate due to mould serves the effect of guiding, discharging, binder, because mould is longer, stripper plate be divide into three sections, mainly conveniently processing, installation and debugging and maintenance.Also can reduce the imbalance problem of the long generation of stripper plate simultaneously.The stripper plate of each section is equipped with four inner guiding posts, plays the accurate guide effect of stripper plate, strengthen the anti-inclined ability of stripper plate; Rush in mesopore operation in the essence of step S3 simultaneously, the stripper plate of this section seems to the guiding that essence rushes punch and is even more important, bilateral gap value can be made to be not more than 0.01, and as excesssive gap, punch guiding is insuperior, essence is rushed mesopore and is produced tomography, mesopore can be caused cannot to pull out suitable fineness, so there is higher processing request in this workshop section for stripper plate, stripping force is larger herein simultaneously, stripping force need be calculated and suitable spring is installed, to facilitate unloading.
After have employed technique of the present invention, process stabilizing, production efficiency is higher, and mold repair is convenient.And promote design ap-plication on washer product HSS040040001220S, production production capacity reaches 36000PCS/8 hour/people, and one-shot production production capacity is 8000PCS/8 hour/3 people, and production efficiency improves 13.5 times.Achieve good economic benefit, greatly reduce the working strength of workman simultaneously, improve the security of production, solve the problem of production bottleneck.
Although describe embodiments of the present invention by reference to the accompanying drawings; but patent owner can make various distortion or amendment within the scope of the appended claims; as long as be no more than the protection domain described by claim of the present invention, all should within protection scope of the present invention.

Claims (5)

1. a square washer progressive die production technology, is characterized in that: this technique comprises employing continuous mould and carries out following steps, and S1 cuts the step of step pitch to blank, produces coarse positioning and eliminates the inconsistent of itemize web width; S2 carries out pre-punching for accurately locating the step of the bullport of material strip to blank; S3 carries out to blank the step that essence rushes mesopore; S4 carries out the step at mesopore precompressed angle to blank; S5 carries out the step of pressing pressure angle, mesopore two sides R to blank; S6 carries out the step of punch to blank; S7 draws the step of light mesopore to blank; S8 carries out the step of trimming to blank, generates square washer product; S9 square shaped washer product carries out the step be separated; And in described step S5, the pressure angle punch carrying out pressing pressure angle, mesopore two sides is the pressure angle punch with one side inclination angle; And in described step S6, punch die is fixed on a stripper, and follow material strip interlock, time at the bottom of mould top, produce punch action again.
2. square washer progressive die production technology according to claim 1, is characterized in that: in described step S9, adopt the combination of thimble and air blowing to carry out part.
3. square washer progressive die production technology according to claim 2, is characterized in that: before described step S1, also comprise the step that described blank is imported mould by guide post.
4. square washer progressive die production technology according to claim 2, it is characterized in that: the one side angle of inclination of the pressure angle punch at the one side inclination angle adopted in described step S5 is 1.5 °, and the inside of the pressure angle punch at described one side inclination angle is also provided with and the fillet waiting to press the radius at pressure angle, mesopore two sides consistent.
5. the square washer progressive die production technology according to any one of Claims 1 to 4, is characterized in that: the quantity of the square washer product that described continuous mould punching press once generates is three.
CN201310571381.4A 2013-11-15 2013-11-15 A kind of square washer progressive die production technology Expired - Fee Related CN103611795B (en)

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CN104138955A (en) * 2014-06-23 2014-11-12 梧州恒声电子科技有限公司 Electrophoresis washer manufacturing process
CN104550479A (en) * 2015-01-06 2015-04-29 江苏金泰科精密科技有限公司 High-precision hardware stamping die and stamping method thereof

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JP3529931B2 (en) * 1996-03-08 2004-05-24 矢崎総業株式会社 Composite integrated mold for continuous molding and continuous manufacturing equipment for molded products
CN201693069U (en) * 2009-11-20 2011-01-05 无锡曙光模具有限公司 Progressive continuous punching mould for manufacturing sealing ring
CN201931012U (en) * 2010-11-23 2011-08-17 成都正欣精密模具有限公司 Continuous shaping die for precise clamping plate used in decelerator
CN202683758U (en) * 2012-06-29 2013-01-23 上海菲特尔莫古轴瓦有限公司 Machining device for cambered stepped bushing
CN102989880A (en) * 2012-08-21 2013-03-27 苏州吴中经济开发区搏宇模具加工厂 Method for operating continuous punching die for mobile phone power supply elastic sheet

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Effective date of registration: 20170622

Address after: 226200 Nantong City, Qidong Province Economic Development Zone, No. triumph Road, No. 1

Patentee after: Qidong Green Green Engineering Co., Ltd.

Address before: Wuzhou Hongling Changzhou District Road 543002 No. 108 the Guangxi Zhuang Autonomous Region

Patentee before: Wuzhou Hengsheng Electronic Technology Co., Ltd.

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Effective date of registration: 20170717

Address after: 510800 Guangdong city in Guangzhou Province, Xinhua Street, Huadu District Ma Xi Cun Dalang top plant

Patentee after: Guangzhou Shun Chen metal products Co., Ltd.

Address before: 226200 Nantong City, Qidong Province Economic Development Zone, No. triumph Road, No. 1

Patentee before: Qidong Green Green Engineering Co., Ltd.

CB03 Change of inventor or designer information

Inventor after: Liang Weifeng

Inventor before: Qin Fushu

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