CN103286204A - Combined sheet metal part machining die and method thereof - Google Patents

Combined sheet metal part machining die and method thereof Download PDF

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Publication number
CN103286204A
CN103286204A CN2012104389433A CN201210438943A CN103286204A CN 103286204 A CN103286204 A CN 103286204A CN 2012104389433 A CN2012104389433 A CN 2012104389433A CN 201210438943 A CN201210438943 A CN 201210438943A CN 103286204 A CN103286204 A CN 103286204A
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Prior art keywords
die
sheet metal
metal component
punch
plate
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CN2012104389433A
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CN103286204B (en
Inventor
王安基
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QINGDAO HUADONG ENGINEERING MACHINERY CO., LTD.
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QINGDAO JIALONG AUTOMATIC EQUIPMENT CO Ltd
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Priority to CN201210438943.3A priority Critical patent/CN103286204B/en
Publication of CN103286204A publication Critical patent/CN103286204A/en
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Abstract

The invention provides a combined sheet metal part machining die and a method thereof. The combined machining method is used for realizing stretching and punching in the primary machining process through simultaneously arranging a stretching structure and a punching structure in one die, so as to simplify the die structure and reduce the manufacturing cost. The combined sheet metal part machining die includes a first die holder and a second die holder that are arranged oppositely; a shaping concave die is mounted on the first die holder; a shaping cavity is arranged inside the shaping concave die; an inner stripper plate is connected with the inside of the shaping cavity elastically; a stripper plate is elastically connected onto the second die holder; a punch-die is fixedly mounted at the second die holder and penetrates through the stripper plate, and is provided with a convex part adopting the same profile structure as a machined sheet metal part; a male die used for punching on the sheet metal part is arranged on the first die holder; and the outer end part of the male die extends to the inside of the shaping cavity.

Description

Sheet metal component Compound Machining mould and method thereof
Technical field
The present invention relates to a kind of Compound Machining mould and method thereof for enforcement stretching simultaneously and punch operation, mainly be applicable to all kinds of sheet metal component processing mold and the methods of installing and using with the plastic components combination, belong to Machine Design and industrial automation field.
Background knowledge
In the machine dies of existing domestic and international sheet metal component and the control technology, as be applied to the thin plate sheet metal component (for example outcase of refrigerator, washing machine shell inner core, air conditioner housing, lampblack absorber shell etc.) of household electrical appliance manufacturing, the external form structure of sheet metal component adopts diel to process at large, for presentation quality, the compact dimensions precision all has higher specification requirement.
The machine dies of sheet metal component generally is to stretch earlier on the step of punch-die, carry out follow-up punching again, therefore mould structure should be controlled lateral dimension and the degree of depth of stretching step, and the footpath of controlling bottom outlet again is wide, must guarantee simultaneously that off-centre can not appear in bottom outlet and step central axis.
Usually the machine dies that adopts is to select stretching, punching two nested structures, stretch and punching to finish respectively, but two mold structures are only applicable on the press of single station, this two molds structure is comparatively complicated on the panel beating production line of automation, because initial alignment is difficult to unification and accurately regulates separately, the sheet metal component stretching of therefore finishing is unstable with the punching shape.
And, the punching of sheet metal component needs to be complementary with the make up working of plastics of installing and using, if continue to adopt two molds certainly will carry out twice the location, this has just caused the decline of positioning accuracy, make the punching center of circle and step central axis be prone to eccentric phenomena, thereby to the installation that cooperates between sheet metal component and the working of plastics.
Correspondingly, adopt two molds also can increase die sinking cost and relevant panel beating production cost of products simultaneously.
Summary of the invention
Sheet metal component Compound Machining mould of the present invention and method thereof, the mode that is to solve the problem of above-mentioned prior art existence and takes in a mold, to be provided with simultaneously stretching and punching structure, finish the combined machining method that stretches with punch operation in the time processing process simultaneously to be implemented in, thereby reach the simplification mould structure, reduce the purpose of manufacturing cost.
Another goal of the invention is, adopts the one-time positioning mode, with the inregister of assurance stretching with the punch operation center, thereby improves the shape of sheet metal component processing profile and stablizing and reliability of each size numerical value.
Goal of the invention also is, realizes that the aperture of punching is adjustable, i.e. stretching is synchronously guaranteed with the precision of punch operation.
For realizing above-mentioned purpose of design, described sheet metal component Compound Machining mould mainly includes:
First die holder that is oppositely arranged and second die holder, wherein,
At first die holder molding concave die is installed, is provided with molding cavity in molding concave die inside, the molding cavity inner elastomeric take off plate in being connected with;
Flexibly be connected with stripper plate on second die holder, punch-die is fixedly installed in second die holder and runs through stripper plate, and punch-die has the protuberance with the identical profile structure of institute's processing sheet metal component;
First die holder is provided with the punch for punching on sheet metal component, and the outer end of punch extends in the molding cavity.
As above-mentioned basic scheme, be to be finished jointly by molding concave die and the punch-die that runs through stripper plate at the stretched operation of sheet metal component.In drawing process, the protuberance on the punch-die is drawn into the profile of predetermined structure with sheet metal component, and punch acts on part that sheet metal component is stretched and punching in its surface simultaneously.
Because the above-mentioned structure that stretches with punching of finishing is arranged in the mold, not only stretch and finish simultaneously in same Compound Machining process with punching, reduced the corresponding two covers structure of operation mould separately, and stretching and punching structure can be by mechanical part processing, be connected and installed with debugging and reach higher initial alignment precision, can either guarantee to stretch inregister with the punch operation center, shape and the size that can improve the profile of processing again effectively are reliable.
For adapting to the punching requirement of different aperture sizes, can take following adjustment structure and mode to change the initial time of in drawing process, implementing punch operation, i.e. connecting portion between punch and first die holder, be provided with for regulating the internal and external threads structure of punch in the molding cavity position, regulate the initial position of punch in molding cavity by internal and external threads, the initial time of control punch conflict sheet metal component is controlled the aperture size of final formation punching.
For in stretching and punch operation process and behind the complete operation, improve sheet metal component in degree of depth control and the demoulding of molding cavity, can between first die holder and molding concave die, be connected with first backing plate, be provided with the cavity that takes off the plate elastic compression in holding in the first backing plate inside;
Described molding cavity has the two-stage ledge structure, in take off plate and be arranged in the first order ledge structure, the outer end of punch extends in the ledge structure of the second level.
For regulating the relative position between the punch-die and stripper plate in the drawing process effectively, with the elastic reset ability between the gradual and parts of control stretched operation, can between second die holder and stripper plate, be connected with second backing plate, the spring that connects stripper plate is installed at second die holder.
According to architecture advances and the design concept of above-mentioned sheet metal component Compound Machining mould, the present invention also can realize following combined machining method simultaneously:
Under external force namely, sheet metal component is extruded between molding concave die and punch-die, and the protuberance on the punch-die acts on the part sheet metal component in the molding cavity and it is drawn into the profile of predetermined structure;
In implementing the stretch process process, punch acts on part that sheet metal component is stretched and at its holes punched on surface.
Expansion mode at control and change punching aperture size is that by regulating the initial position of punch in molding cavity, change punch in the stretch process process acts on the time of sheet metal component, with the processing dimension of control punching.
Namely under the prerequisite of identical external force effect, same stretch processing dimension, punch more early acts on sheet metal component, and is more big in the punching aperture that the surface of sheet metal component stretched portion forms, otherwise more little.
At improving the improvement project that Compound Machining quality and the demoulding control feasibility be, the molding cavity inner elastomeric take off plate in being connected with, be provided with the cavity that takes off the plate elastic compression in holding in the first backing plate inside;
After Compound Machining is finished, in take off the plate elastic reset so that the part sheet metal component in the molding cavity is deviate from.
Refinement and preferred version are further, by being installed on second die holder, connecting the spring of stripper plate, the degree of depth that the end of control punch-die enters molding cavity in compound processing course.
In sum, sheet metal component Compound Machining mould of the present invention and method has the following advantages and beneficial effect:
1, piecing devices have the instant-plugging overall structure, can be plugged to wheel rim easily, and the online loading and unloading of temperature, interior pressure sensor in realizing, both need not the special detection wheel rim or wheel rim is reequiped, and test frock cost is lower, test efficiency is higher.
2, realized the seamless connectivity of interior temperature, interior pressure sensor and inside tires environment, it is higher to detect data precision.
Description of drawings
In conjunction with the following drawings the present invention is illustrated further.
Fig. 1 is the cut-away structure chart of described sheet metal component Compound Machining mould;
Fig. 2 is the sheet metal component profile structure cutaway view after the stretching punching processing;
Fig. 3 to Fig. 6 is the continuous schematic diagram of finishing once-combined processing method process;
In above-mentioned accompanying drawing, have, first die holder 1, in take off plate 2, molding concave die 3, stripper plate 4, second backing plate 5, second die holder 6, punch 7, punch-die 8, spring 9, sheet metal component 10, first backing plate 11, molding cavity 12.
The specific embodiment
Embodiment 1, as depicted in figs. 1 and 2, described sheet metal component Compound Machining mould mainly includes, first die holder 1, in take off plate 2, molding concave die 3, stripper plate 4, second backing plate 5, second die holder 6, punch 7, punch-die 8, spring 9, first backing plate 11 and molding cavity 12.Wherein,
First die holder 1 and second die holder 6 relatively arrange on vertical, and first die holder 1 is driven by the press that outer active force is provided and connects.
Between first die holder 1 and molding concave die 3, be connected with first backing plate 11, be provided with the cavity that takes off plate 2 elastic compression in holding in first backing plate, 11 inside;
Be provided with molding cavity 12 in molding concave die 3 inside, molding cavity 12 inner elastomeric take off plate 2 in being connected with, molding cavity 12 has the two-stage ledge structure, in take off plate 2 and be arranged in the first order ledge structure, the outer end of punch 7 extends in the ledge structure of the second level;
Between second die holder 6 and stripper plate 4, be connected with second backing plate 5, the spring 9 that connects stripper plate 4 is installed at second die holder 6, punch-die 8 is fixedly installed in second die holder 6 and runs through stripper plate 4, and punch-die 8 has the protuberance with institute's processing sheet metal component 10 identical profile structures;
At the connecting portion of punch 7 and first backing plate 11, be provided with for regulating the internal and external threads structure of punch 7 in molding cavity 12 positions.
Under external force, sheet metal component 10 is extruded between molding concave die 3 and punch-die 8, and the protuberance on the punch-die 8 acts on the part sheet metal component 10 in the molding cavity 12 and it is drawn into the profile of predetermined structure; In implementing the stretch process process, punch 7 acts on part that sheet metal component 10 is stretched and punching in its surface.
Wherein, by regulating the initial position of punch 7 in molding cavity 12, can change the time that in stretch process process punch 7 acts on sheet metal component 10, and then with the processing dimension of control punching.
Molding cavity 12 inner elastomeric take off plate 2 in being connected with, be provided with the cavity that takes off plate 2 elastic compression in holding in first backing plate, 11 inside;
After Compound Machining is finished, in take off plate 2 elastic resets so that the part sheet metal component 10 in the molding cavity 12 is deviate from.
In addition, by being installed on second die holder 6, connecting the spring 9 of stripper plate 4, the degree of depth that the end of control punch-die 8 enters molding cavity 12 in compound processing course.
Described sheet metal component combined machining method mainly includes following operating procedure:
The first step as shown in Figure 3, is placed on sheet metal component 10 on the stripper plate 4, under the press effect, first die holder 1 drive first backing plate 11, molding concave die 3, in take off plate 2 and punch 7 synchronous shift, molding concave die 3 contacts at sheet metal component 10;
Second step, as shown in Figure 4, first die holder 1 continues to drive molding concave die 3 and moves, and stripper plate 4 compression springs 9 are also mobile in opposite directions, the protuberance of punch-die 8 stretch out stripper plate 4 and with molding concave die 3 actings in conjunction in sheet metal component 10, in the stretched initial bulge of sheet metal component 10 part surfaces;
Meanwhile, take off in plate 2 in the cavity of molding cavity 12, first backing plate 11 by elastic compression;
The 3rd step, as shown in Figure 5, first die holder 1 continues to drive molding concave die 3 and moves, stripper plate 4 continues compression spring 9 and identical movement, the protuberance of punch-die 8 strengthens at the level of stretch on sheet metal component 10 surfaces, in take off plate 2 and continue by elastic compression part and punching that punch 7 is conflicted and is stretched to sheet metal component 10;
In the 4th step, as shown in Figure 6, first die holder 1 continues to drive molding concave die 3 and moves, until complete mold closing; The protuberance of punch-die 8 fully extend in the molding cavity 12, and sheet metal component 10 is drawn into the profile of predetermined structure, and the punching aperture that formed by punch 7 this moment reaches predetermined size.
In the 5th step, under the press acting in opposition, it is oppositely mobile that first die holder 1 drives molding concave die 3, and punch-die 8 breaks away from from molding cavity 12, in take off plate 2 elastic resets and the part sheet metal component 10 in the molding cavity 12 deviate from;
Thereby finish above-mentioned once-combined machine process.

Claims (9)

1. sheet metal component Compound Machining mould is characterized in that: have first die holder (1) and second die holder (6) that are oppositely arranged,
At first die holder (1) molding concave die (3) is installed, is provided with molding cavity (12) in molding concave die (3) inside, molding cavity (12) inner elastomeric take off plate (2) in being connected with;
Flexibly be connected with stripper plate (4) on second die holder (6), punch-die (8) is fixedly installed in second die holder (6) and runs through stripper plate (4), and punch-die (8) has the protuberance with the identical profile structure of institute's processing sheet metal component (10);
First die holder (1) is provided with for going up the punch (7) of punching at sheet metal component (10), and the outer end of punch (7) extends in the molding cavity (12).
2. sheet metal component Compound Machining mould according to claim 1 is characterized in that: the connecting portion between punch (7) and first die holder (1) is provided with for regulating the internal and external threads structure of punch (7) in molding cavity (12) position.
3. sheet metal component Compound Machining mould according to claim 1 and 2, it is characterized in that: between first die holder (1) and molding concave die (3), be connected with first backing plate (11), be provided with the cavity that takes off plate (2) elastic compression in holding in first backing plate (11) inside;
Described molding cavity (12) has the two-stage ledge structure, in take off plate (2) and be arranged in the first order ledge structure, the outer end of punch (7) extends in the ledge structure of the second level.
4. sheet metal component Compound Machining mould according to claim 1 and 2 is characterized in that: be connected with second backing plate (5) between second die holder (6) and stripper plate (4), the spring (9) that connects stripper plate (4) is installed at second die holder (6).
5. use the method as sheet metal component Compound Machining mould as described in the claim 1 to 4, it is characterized in that: under external force, sheet metal component (10) is extruded between molding concave die (3) and punch-die (8), and the protuberance on the punch-die (8) acts on the part sheet metal component (10) in the molding cavity (12) and it is drawn into the profile of predetermined structure;
In implementing the stretch process process, punch (7) acts on part that sheet metal component (10) is stretched and punching in its surface.
6. sheet metal component combined machining method according to claim 5, it is characterized in that: by regulating the initial position of punch (7) in molding cavity (12), change punch (7) in the stretch process process acts on the time of sheet metal component (10), with the processing dimension of control punching.
7. according to claim 5 or 6 described sheet metal component combined machining methods, it is characterized in that: molding cavity (12) inner elastomeric take off plate (2) in being connected with, be provided with the cavity that takes off plate (2) elastic compression in holding in first backing plate (11) inside;
After Compound Machining is finished, in take off plate (2) elastic reset so that the part sheet metal component (10) in the molding cavity (12) is deviate from.
8. sheet metal component combined machining method according to claim 7, it is characterized in that: go up, connect the spring (9) of stripper plate (4) by being installed in second die holder (6), in compound processing course, control the degree of depth that the end of punch-die (8) enters molding cavity (12).
9. sheet metal component combined machining method according to claim 8 is characterized in that: include following operating procedure,
The first step is placed on sheet metal component (10) on the stripper plate (4), under external force, first die holder (1) drive first backing plate (11), molding concave die (3), in take off plate (2) and punch (7) synchronous shift, molding concave die (3) contacts at sheet metal component (10);
Second step, it is mobile that first die holder (1) continues to drive molding concave die (3), stripper plate (4) compression spring (9) is also mobile in opposite directions, the protuberance of punch-die (8) stretch out stripper plate (4) and with molding concave die (3) acting in conjunction in sheet metal component (10), in the stretched initial bulge of sheet metal component (10) part surface; Meanwhile, take off in plate (2) in the cavity of molding cavity (12), first backing plate (11) by elastic compression;
The 3rd step, it is mobile that first die holder (1) continues to drive molding concave die (3), stripper plate (4) continues compression spring (9) and identical movement, the protuberance of punch-die (8) strengthens at the level of stretch on sheet metal component (10) surface, in take off plate (2) and continue by elastic compression part and punching that punch (7) is conflicted and is stretched to sheet metal component (10);
In the 4th step, it is mobile that first die holder (1) continues to drive molding concave die (3), until complete mold closing; The protuberance of punch-die (8) fully extend in the molding cavity (12), and sheet metal component (10) is drawn into the profile of predetermined structure, and the punching aperture that formed by punch (7) this moment reaches predetermined size.
The 5th step, under another external force effect, it is oppositely mobile that first die holder (1) drives molding concave die (3), and punch-die (8) breaks away from from molding cavity (12), in take off plate (2) elastic reset and the part sheet metal component (10) in the molding cavity (12) deviate from, finish once-combined machine process.
CN201210438943.3A 2012-10-26 2012-10-26 Sheet metal component Compound Machining mould and method thereof Active CN103286204B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103691806A (en) * 2013-11-22 2014-04-02 桐乡市凯盛精密机械有限公司 Aluminum cup machine shaping technology
CN104028628A (en) * 2014-06-21 2014-09-10 梧州恒声电子科技有限公司 Production process of frame with no riveting hole
CN104056901A (en) * 2014-06-27 2014-09-24 梧州恒声电子科技有限公司 Processing method of horn basin stand
CN111940605A (en) * 2020-08-04 2020-11-17 重庆赛力格柯网络科技有限公司 New energy automobile battery box top cap shaping structure

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US5600992A (en) * 1994-02-10 1997-02-11 Hidaka Seiki Kabushiki Kaisha Die set
CN201079810Y (en) * 2007-09-13 2008-07-02 济南铸锻所捷迈机械有限公司 Punching flanging composite forming die for digital control turret punching machine
CN201304446Y (en) * 2008-11-28 2009-09-09 安徽中鼎精工技术有限公司 Compound mould of metal skeleton for car sealing element
CN201534195U (en) * 2009-10-26 2010-07-28 神奇电碳集团有限公司 Stamping die
CN201880798U (en) * 2010-11-29 2011-06-29 隆昌山川精密焊管有限责任公司 Blanking, punching and shaping composite stamping die
CN202984431U (en) * 2012-10-26 2013-06-12 青岛嘉龙自动化设备有限公司 Combined machining die of sheet metal parts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600992A (en) * 1994-02-10 1997-02-11 Hidaka Seiki Kabushiki Kaisha Die set
CN201079810Y (en) * 2007-09-13 2008-07-02 济南铸锻所捷迈机械有限公司 Punching flanging composite forming die for digital control turret punching machine
CN201304446Y (en) * 2008-11-28 2009-09-09 安徽中鼎精工技术有限公司 Compound mould of metal skeleton for car sealing element
CN201534195U (en) * 2009-10-26 2010-07-28 神奇电碳集团有限公司 Stamping die
CN201880798U (en) * 2010-11-29 2011-06-29 隆昌山川精密焊管有限责任公司 Blanking, punching and shaping composite stamping die
CN202984431U (en) * 2012-10-26 2013-06-12 青岛嘉龙自动化设备有限公司 Combined machining die of sheet metal parts

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103691806A (en) * 2013-11-22 2014-04-02 桐乡市凯盛精密机械有限公司 Aluminum cup machine shaping technology
CN103691806B (en) * 2013-11-22 2016-04-06 桐乡市凯盛精密机械有限公司 The technique of aluminium cup machine-shaping
CN104028628A (en) * 2014-06-21 2014-09-10 梧州恒声电子科技有限公司 Production process of frame with no riveting hole
CN104056901A (en) * 2014-06-27 2014-09-24 梧州恒声电子科技有限公司 Processing method of horn basin stand
CN111940605A (en) * 2020-08-04 2020-11-17 重庆赛力格柯网络科技有限公司 New energy automobile battery box top cap shaping structure

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