CN102554027A - Symmetrical multi-cavity discharging technology - Google Patents

Symmetrical multi-cavity discharging technology Download PDF

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Publication number
CN102554027A
CN102554027A CN2011104429760A CN201110442976A CN102554027A CN 102554027 A CN102554027 A CN 102554027A CN 2011104429760 A CN2011104429760 A CN 2011104429760A CN 201110442976 A CN201110442976 A CN 201110442976A CN 102554027 A CN102554027 A CN 102554027A
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China
Prior art keywords
workpiece
strip
layout
row
chamber
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Pending
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CN2011104429760A
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Chinese (zh)
Inventor
孙宽海
廖汉秋
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FINEFORMING PRECISION ENGINEERING Co Ltd
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FINEFORMING PRECISION ENGINEERING Co Ltd
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Priority to CN2011104429760A priority Critical patent/CN102554027A/en
Publication of CN102554027A publication Critical patent/CN102554027A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a symmetrical multi-cavity discharging technology. The working object of the discharging technology is a flat belt, and the formed products are flat annular columnar workpieces punched from the belt. A shearing step is increased before punching in the technology, namely the shape of each workpiece is previously sheared, and workpiece blanks are obtained, a gap is reserved between the two adjacent workpiece blanks in each column in the machining and advancing direction of the belt, and the belt can absorb micro expansion, so that alignment of the workpieces during machining with a mold is facilitated, the qualification rate is improved, and high section quality and flatness of the workpieces are obtained. Semi-cutting can be adopted when the outer edges of the workpieces are punched, so that the flatness of the surfaces of the workpieces is further improved; and a small quantity of connecting bands can be reserved only among the workpiece blanks during shearing, so that the expandable space of the workpiece blanks is increased, and the influence of stretching of the belt on the positions of the workpieces is further reduced.

Description

The many types of chamber of symmetry process for layout
Technical field
The present invention relates to the many types of chamber of a kind of symmetry process for layout, relate in particular to a kind of symmetrical many types of chamber process for layout of shearing the back punching earlier.
Background technology
Traditional symmetrical many types of chamber process for layout mainly comprises punching, chamfering and die-cut, blanking.Wherein, punching with die-cut all are a kind of Sheet Metal Forming Technology methods of utilizing upper and lower mould that strip is separated.Strip is separated into two parts, promptly dashes part and part with holes, is to dash part for what produce certain appearance profile and size as if purpose, and then this operation is called the blanking operation, and remaining part with holes is a waste material; Otherwise, if purpose is in order to produce the endoporus of definite shape and size, at this moment, dashes partly and become waste material, part with holes is workpiece, and this operation is called the punching operation.When punching, Punching Technology, strip receives the active force of upper die and lower die end face, can experience three phases: be respectively that strain, plastic deformation and fracture separate.In the strain stage, strip produces elastic compression, bending and stretches, but the inner stress of strip does not surpass elastic limit, and after the patrix unloading, strip promptly restores to the original state.In the plastic deformation stage, when patrix continues to press down, when the stress in the strip reached yield limit, strip began to produce plasticity detrusion.When plastic deformation proceeds to certain phase, strip produces fine crack, promptly gets into the fracture separation phase.In this stage, the continuous infiltration and development of crackle separates until the strip final fracture.In punching or the die-cut process; The strip of location of workpiece place and periphery receives active force and produces corresponding stress, and to a certain degree bending and stretcher strain take place, and influences the flatness and the cross section quality of surface of the work; Cause strip to a certain degree elongated simultaneously; The former location of workpiece moves and the position of mould itself is constant, and so mould possibly can't accurately align with each location of workpiece, processes waste product easily.
Summary of the invention
The present invention has overcome the deficiency of prior art, provides a kind of step simple, and the mould contraposition is more accurate, guarantees better symmetrical many types of chamber process for layout of the percentage of A-class goods and cross section quality and surface planarity.
For achieving the above object; The technical scheme that the present invention adopts is: symmetrical many types of chamber process for layout; The target of said process for layout is the tabular strip, and shaped article is the oblate central column workpiece under die-cut from the said strip, and it is characterized in that: the step of said technology is:
1) shears: said strip preshearing is cut, confirm each workpiece Working position,, cut off between adjacent two location of workpieces, reserve the space along strip processing direct of travel;
2) punching: each location of workpiece place punching in that step 1) is confirmed forms workpiece diameter respectively;
3) chamfering: to step 2) processing gained workpiece diameter place chamfering;
4) die-cut, blanking: the die-cut workpiece external diameter at each location of workpiece place falls workpiece.
In preferred embodiment of the present invention, the Punching Technology that further comprises said step 4) is hemisection, and promptly said workpiece bottom still keeps one with strip on every side.
In preferred embodiment of the present invention, further comprise said process for layout after hemisection, before the blanking, also be provided with the shaping step.
In preferred embodiment of the present invention, comprise that further said shearing step is included in said each location of workpiece place and cuts workpiece external diameter shape, and the somewhat larger in diameter of each shape of cutting is the workpiece woolen cloth in the required workpiece finished product external diameter of reality.
In preferred embodiment of the present invention, further comprise cut workpiece external diameter shape in the said shearing step after, it is in aggregates to connect to leave a small amount of strip between each workpiece woolen cloth, remaining strip is removed.
In preferred embodiment of the present invention, further comprise the woollen proper alignment of said workpiece, even column is arranged along strip processing direct of travel, and at least two row, along the direction perpendicular to the strip direct of travel, the aligned in position of every row's workpiece.
In preferred embodiment of the present invention, comprise that further said workpiece is woollen, per two classify one group as, in every group of workpiece woolen cloth, along row's direction, have the strip strip to link to each other between every row's two workpiece woolen cloths, along column direction, have the strip strip to link to each other between adjacent two rows' workpiece woolen cloth.
In preferred embodiment of the present invention, comprise further in described every group of workpiece woolen cloth that the position that connects with strip between adjacent two row's workpiece woolen cloths does, along row's direction, the connecting portion between every row's two location of workpieces.
In preferred embodiment of the present invention, further comprise between described per two groups of workpiece woolen cloths having the strip strip to link to each other along the every row of row's direction.
The invention solves the defective that exists in the background technology, technology of the present invention has increased cutting steps before punching, promptly cuts each workpiece profile in advance; Workpiece is woollen, make along strip processing direct of travel, reserve the space between adjacent two workpiece woolen cloths in every row; Strip becomes and can absorb the expansion of trace; Alignment pieces when helping Mould Machining improves the percentage of A-class goods, also helps obtaining good workpiece cross section quality and flatness.Can adopt hemisection during die-cut workpiece external diameter; Further improve the flatness of surface of the work, and when shearing, can only between each workpiece woolen cloth, stay a small amount of connection strip; To increase the woollen expandable space of workpiece, further reduce the influence of strip elongation to the location of workpiece.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the process schematic representation of the many types of chamber of symmetry of the present invention process for layout preferred embodiment;
Fig. 2 is the single workpiece sketch map in the many types of chamber of symmetry of the present invention process for layout preferred embodiment shaping stage;
Fig. 3 is the process schematic representation of existing symmetrical many types of chamber process for layout;
Among the figure: 8, the woollen profile of workpiece, 10, the workpiece external diameter, 12, workpiece diameter, 14, chamfering.
The specific embodiment
Combine accompanying drawing and embodiment that the present invention is done further detailed explanation now, these accompanying drawings are the sketch map of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Like Fig. 1, shown in Figure 2, the many types of chamber of symmetry of the present invention process for layout, the target of said process for layout is the tabular strip; Shaped article is the oblate central column workpiece under die-cut from the said strip, and the step of said technology comprises: shear punching; Chamfering, hemisection, shaping and blanking.Particularly, it promptly is said strip to be carried out preshearing cut that step 1 is sheared, and confirms each workpiece Working position, along strip processing direct of travel, with cutting off between adjacent two location of workpieces, reserves the space.Further, cut workpiece external diameter shape at said each location of workpiece place, and the somewhat larger in diameter of each shape of cutting becomes the workpiece woolen cloth in the required workpiece finished product external diameter 10 of reality, the appearance profile of cutting is the woollen profile 8 of workpiece.During shearing, it is in aggregates to connect to leave a small amount of strip between each workpiece woolen cloth, and remaining strip is removed.The woollen proper alignment of said workpiece has four row along strip processing direct of travel, along the direction perpendicular to the strip direct of travel, the aligned in position of every row's workpiece.Said workpiece is woollen, and per two classify one group as, in every group of workpiece woolen cloth, along row's direction, has the strip strip to link to each other between every row's two workpiece woolen cloths, along column direction, has the strip strip to link to each other between adjacent two rows' workpiece woolen cloth.In every group of workpiece woolen cloth, the position that connects with strip between adjacent two row's workpiece woolen cloths does, along row's direction, the connecting portion between every row's two location of workpieces.And between per two groups of workpiece woolen cloths, all have the strip strip to link to each other along the every row of row's direction.Then get into step 2: each location of workpiece place punching confirming forms workpiece diameter 12 respectively.Step 3: at step 2 processing gained workpiece diameter 12 place's chamferings 14.Then, getting into step 4, is woollen first the cut spare external diameter 10 of workpiece at each location of workpiece place, and said workpiece bottom still keeps one with strip on every side.Afterwards, step 5 is carried out shaping for each workpiece that a last step gained still is connected on the strip, promptly utilizes mould to make the local or whole a small amount of plastic deformation that produces of stamped workpieces obtain size and dimension more accurately.At last, step 6: the elastic component that utilizes the counterdie bottom portion of groove is separated workpiece jack-up with workpiece by charging ram with the waste material band, accomplishes blanking.
As shown in Figure 3, the many types of chamber of existing symmetry process for layout comprises punching, chamfering and die-cut, three steps of blanking.Technology of the present invention adds the shearing step before punching, cut the woollen profile of workpiece, and only between each workpiece woolen cloth, stay a small amount of connection strip, can absorb the expansion of trace so that strip is become, and alignment pieces when helping Mould Machining improves the percentage of A-class goods.And adopt hemisection during die-cut workpiece external diameter, and can reduce the formation of section bottom burr, the reverse workpiece that separates when cooperating shaping and blanking helps on the effect that preshearing is cut, further improving the workpiece cross section quality and obtaining good flatness.
Above foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must confirm technical scope according to the claim scope.

Claims (9)

1. symmetrical many types of chamber process for layout, the target of said process for layout is the tabular strip, and shaped article is the oblate central column workpiece under die-cut from the said strip, and it is characterized in that: the step of said technology is:
1) shears: said strip preshearing is cut, confirm each workpiece Working position,, cut off between adjacent two location of workpieces, reserve the space along strip processing direct of travel;
2) punching: each location of workpiece place punching in that step 1) is confirmed forms workpiece diameter respectively;
3) chamfering: to step 2) processing gained workpiece diameter place chamfering;
4) die-cut, blanking: the die-cut workpiece external diameter at each location of workpiece place falls workpiece.
2. the many types of chamber of symmetry according to claim 1 process for layout, it is characterized in that: the Punching Technology of said step 4) is hemisection, promptly said workpiece bottom still keeps one with strip on every side.
3. the many types of chamber of symmetry according to claim 2 process for layout is characterized in that: said process for layout before the blanking, also is provided with the shaping step after hemisection.
4. the many types of chamber of symmetry according to claim 3 process for layout; It is characterized in that: said shearing step is included in said each location of workpiece place and cuts workpiece external diameter shape; And the somewhat larger in diameter of each shape of cutting is the workpiece woolen cloth in the required workpiece finished product external diameter of reality.
5. the many types of chamber of symmetry according to claim 4 process for layout is characterized in that: after cutting workpiece external diameter shape in the said shearing step, it is in aggregates to connect to leave a small amount of strip between each workpiece woolen cloth, and remaining strip is removed.
6. the many types of chamber of symmetry according to claim 5 process for layout is characterized in that: the woollen proper alignment of said workpiece, along strip processing direct of travel even column is arranged, and at least two row, along the direction perpendicular to the strip direct of travel, the aligned in position of every row's workpiece.
7. the many types of chamber of symmetry according to claim 6 process for layout is characterized in that: said workpiece is woollen, and per two classify one group as; In every group of workpiece woolen cloth,, there is the strip strip to link to each other between every row's two workpiece woolen cloths along row's direction; Along column direction, there is the strip strip to link to each other between adjacent two rows' workpiece woolen cloth.
8. the many types of chamber of symmetry according to claim 7 process for layout is characterized in that: in described every group of workpiece woolen cloth, the position that connects with strip between adjacent two row's workpiece woolen cloths does, along row's direction, the connecting portion between every row's two location of workpieces.
9. the many types of chamber of symmetry according to claim 8 process for layout is characterized in that: between described per two groups of workpiece woolen cloths, have the strip strip to link to each other along the every row of row's direction.
CN2011104429760A 2011-12-27 2011-12-27 Symmetrical multi-cavity discharging technology Pending CN102554027A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878200A (en) * 2014-03-20 2014-06-25 浙江正邦汽车模具有限公司 Shell forming machine for automobile vacuum booster
CN108946136A (en) * 2018-06-13 2018-12-07 歌尔股份有限公司 Feeding control method, device and the feeding device of multi-chamber devices
CN109702067A (en) * 2018-12-26 2019-05-03 浙江长兴和良智能装备有限公司 A kind of pipe fitting spin-on process and the improved spinning machine of structure
CN110538954A (en) * 2019-09-04 2019-12-06 海盐管件制造有限公司 group die forging manufacturing method for hydraulic pneumatic pipe joint blank
CN110899456A (en) * 2019-11-20 2020-03-24 河北华曙新能源汽车科技有限公司 Automatic production device for brake disc housing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5813271A (en) * 1997-02-04 1998-09-29 Orion Metal Company Ltd. Method of manufacturing frame for cathode ray tube
US20020152612A1 (en) * 2000-06-30 2002-10-24 Wolfgang Fritz Device and process for the production of gasket layers
CN101185951A (en) * 2007-12-07 2008-05-28 唐林松 Technique method using metal sheet material to draft connecting component like buckles
JP2010058142A (en) * 2008-09-02 2010-03-18 Oota:Kk Method for press-forming cylindrical component with sharp edge
CN101869954A (en) * 2010-06-25 2010-10-27 昆山诚业德精密模具有限公司 Technology for processing stop sheet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5813271A (en) * 1997-02-04 1998-09-29 Orion Metal Company Ltd. Method of manufacturing frame for cathode ray tube
US20020152612A1 (en) * 2000-06-30 2002-10-24 Wolfgang Fritz Device and process for the production of gasket layers
CN101185951A (en) * 2007-12-07 2008-05-28 唐林松 Technique method using metal sheet material to draft connecting component like buckles
JP2010058142A (en) * 2008-09-02 2010-03-18 Oota:Kk Method for press-forming cylindrical component with sharp edge
CN101869954A (en) * 2010-06-25 2010-10-27 昆山诚业德精密模具有限公司 Technology for processing stop sheet

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878200A (en) * 2014-03-20 2014-06-25 浙江正邦汽车模具有限公司 Shell forming machine for automobile vacuum booster
CN103878200B (en) * 2014-03-20 2015-09-23 浙江正邦汽车模具有限公司 A kind of automobile vacuum booster shell shaper
CN108946136A (en) * 2018-06-13 2018-12-07 歌尔股份有限公司 Feeding control method, device and the feeding device of multi-chamber devices
CN109702067A (en) * 2018-12-26 2019-05-03 浙江长兴和良智能装备有限公司 A kind of pipe fitting spin-on process and the improved spinning machine of structure
CN109702067B (en) * 2018-12-26 2023-11-10 浙江长兴和良智能装备有限公司 Spinning method for pipe fitting and spinning machine with improved structure
CN110538954A (en) * 2019-09-04 2019-12-06 海盐管件制造有限公司 group die forging manufacturing method for hydraulic pneumatic pipe joint blank
CN110899456A (en) * 2019-11-20 2020-03-24 河北华曙新能源汽车科技有限公司 Automatic production device for brake disc housing

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Application publication date: 20120711