CN102310130B - Bending mold for front cover lock pin of SUV (sport utility vehicle) - Google Patents
Bending mold for front cover lock pin of SUV (sport utility vehicle) Download PDFInfo
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- CN102310130B CN102310130B CN 201110255280 CN201110255280A CN102310130B CN 102310130 B CN102310130 B CN 102310130B CN 201110255280 CN201110255280 CN 201110255280 CN 201110255280 A CN201110255280 A CN 201110255280A CN 102310130 B CN102310130 B CN 102310130B
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- slide block
- counterdie
- elastic force
- liftout slide
- workpiece
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Abstract
The invention discloses a bending mold for a front cover lock pin of an SUV (sport utility vehicle), which comprises an upper mold body and a lower mold body. The upper mold body comprises an upper template and an upper mold, the lower mold body comprises a lower mold, a lower template, a material ejection sliding block and an elastic device, the material ejection sliding block is arranged at the bottom of a punched cavity, and the elastic device is arranged at the bottom of the material ejection sliding block and is used for providing upward elastic force for the material ejection sliding block. During the bending process, the part of a workpiece under pressure can be supported by the material ejection sliding block to achieve stable deformation of the workpiece and avoid accumulation in a profile cavity, no local extrusion and deformation can be caused to the workpiece, the product has a stable structure and high quality, no local extrusion can be caused to the surface of the profile cavity of the mold, the mold can bear force uniformly, the service life of the mold can be prolonged, the formed workpiece can be ejected automatically, the labor intensity of the operating personnel can be reduced, and the production efficiency can be increased.
Description
Technical field
The present invention relates to a kind of machining mould, relate in particular to a kind of for processing SUV front shroud lock pin and processing characteristics Bending Mould preferably.
Background technology
The front shroud lock pin is generally stamping forming U-shaped metal rod, the two ends of U-shaped bar are respectively to the different lateral bucklings on plane, U-shaped part place, between each bending part of whole front shroud lock pin, all mutually at an angle of 90, for the front shroud lock pin is general, adopt stamping forming method to carry out production and processing.
The front shroud lock pin diel of generally using in prior art is by cope match-plate pattern, lower bolster and the punch and the die formation that is fixed in lower bolster that are fixed in cope match-plate pattern, its defect is: in Forging Process, part in compression is because the effect that is subject to flexure stress is lower curved arc, and after moulding, part in compression is lifted the flat bending part generation accumulation of workpiece in mold cavity that cause, cause the workpiece extrusion and the mold cavity surface is produced to larger extruding force, poor product quality, easily destroying mold cavity structure causes mould to scrap, production cost is higher, but also can make workpiece tightly be stuck in more difficult taking-up in mould, operating personnel need take off workpiece by other instruments, labour intensity is large, production efficiency is low.
Therefore, need a kind of processing characteristics SUV front shroud lock pin Bending Mould preferably, to extend its service life, reduce production costs, reduce labor intensity of operating staff, improve production efficiency and product quality.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of processing characteristics SUV front shroud lock pin Bending Mould preferably, reasonable in design, service life is of a specified duration, and modular construction is simple, easily manufactures and changes, process good product quality, also can, by the workpiece automatic ejection after moulding, be beneficial to and enhance productivity.
SUV front shroud lock pin Bending Mould of the present invention, comprise that patrix is concrete and counterdie is concrete;
Described patrix specifically comprises cope match-plate pattern and patrix; Described cope match-plate pattern is horizontally disposed with, and the end face that is positioned at cope match-plate pattern is provided with the die shank for being fixedly connected with the die shank of punch press; Described patrix is fixed in the bottom surface of cope match-plate pattern, and patrix is punch, along left surface, bottom surface and the right flank of its protuberance, is provided with slot type U-shaped punching press die cavity I;
Described counterdie specifically comprises counterdie, lower bolster, liftout slide block and elastic force apparatus; Described lower bolster is fixed in work bench of punch press; Described counterdie be fixed in lower bolster above, counterdie is die, the mode that workpiece limits by appearance profile before punch process is positioned the counterdie end face; Described liftout slide block be arranged at the bottom of counterdie recess and counterdie vertically single-degree-of-freedom be slidably matched and liftout slide block its top edge and counterdie recess bottom surface transition and linkage while being positioned at lower dead center, be provided with along the inwall of counterdie recess and the end face of liftout slide block the slot type U-shaped punching press die cavity II matched with slot type U-shaped punching press die cavity I, the cross section of slot type U-shaped punching press die cavity I and slot type U-shaped punching press die cavity II is the circular arc that is less than or equal to semicircle; Described elastic force apparatus is arranged at liftout slide block below and is used to liftout slide block provider to the elastic force made progress.
Further, be provided with the through hole vertically slided for the liftout slide block on described counterdie, the liftout slide block is glided spacing by the end face of lower bolster;
Further, described elastic force apparatus is the elastic rubber structure, comprise dull and stereotyped I, the dull and stereotyped II be arranged in parallel and be clipped in dull and stereotyped I and dull and stereotyped II between elastic rubber;
Further, described elastic force apparatus is by vertically through it, inner screw rod is anchored on the lower bolster bottom surface, the screw rod lower end is provided with the nut for elastic force apparatus is positioned, also be provided with push rod between elastic force apparatus and liftout slide block, described push rod is stepped screw, on lower bolster, the position of corresponding stepped screw is provided with counterbore, and stepped screw is anchored on the liftout slider bottom through counterbore and passes to the liftout slide block and the liftout slide block is carried out to upper cunning spacing for the elastic force by elastic force apparatus;
Further, the both sides, rear portion that are positioned at lower bolster vertically respectively are provided with a guide cylinder, lower bolster interference fit connection is with it inserted in the guide cylinder lower end, be positioned on cope match-plate pattern position corresponding to guide cylinder be provided with circular hole and be nested in circular hole fixing and be placed in the outer fairlead that single-degree-of-freedom is slidably connected with it of guide cylinder, described fairlead upper end outer wall be provided with the step surface structure and by its step surface axis of no-feathering to the circular hole place that is positioned cope match-plate pattern;
Further, be provided with the locating slot corresponding with the stamped workpieces profile on the end face of described counterdie, locating slot limits location for workpiece being carried out to appearance profile before punch process, and locating slot and rounding off identical with slot type U-shaped punching press die cavity II cross sectional shape joins.
The invention has the beneficial effects as follows: SUV front shroud lock pin Bending Mould of the present invention has Lifting Device, in Forging Process, can be supported the workpiece part in compression, make workpiece deformation stable, in die cavity, do not produce and pile up, on workpiece without local crimp, product structure is stable, quality is good, the mold cavity surface is not produced to local extruding force, mould is stressed evenly is beneficial to the raising die life, also can be by the workpiece automatic ejection after moulding, can reduce operating personnel's labour intensity, enhance productivity.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is bed die body plane figure.
The specific embodiment
Fig. 1 is structural representation of the present invention, and Fig. 2 is bed die body plane figure, and as shown in the figure: the SUV front shroud lock pin Bending Mould of the present embodiment comprises that patrix is concrete and counterdie is concrete;
Described patrix specifically comprises cope match-plate pattern 1 and patrix 2; Described cope match-plate pattern 1 is horizontally disposed with, and the end face that is positioned at cope match-plate pattern 1 is provided with the die shank 1a for being fixedly connected with the die shank of punch press; Described patrix 2 is fixed in the bottom surface of cope match-plate pattern 1, patrix 2 is punch, left surface, bottom surface and right flank along its protuberance are provided with slot type U-shaped punching press die cavity I 3, as shown in the figure: the rectangular slab that cope match-plate pattern 1 is even thickness, patrix 2 is anchored on cope match-plate pattern by bolt 16a, the hierarchic structure that the top that is positioned at slot type U-shaped punching press die cavity I3 both side ends on patrix 2 protuberances is indent, for leaving certain space in the end of workpiece after bending, patrix 2 and the moulding of workpiece are not interfered, reasonable in design;
Described counterdie specifically comprises counterdie 4, lower bolster 5, liftout slide block 6 and elastic force apparatus 7, described lower bolster 5 is fixed in work bench of punch press 8, described counterdie 4 be fixed in lower bolster 5 above, as shown in the figure: counterdie 4 is anchored on lower bolster 5 by bolt 16b, counterdie 4 is die, the mode that before Bending Processing, workpiece limits by appearance profile is positioned counterdie 4 end faces, can process groove at counterdie 4 end faces positions workpiece, also can positive stop be set at counterdie 4 end faces workpiece is positioned, all can realize the object of the invention, described liftout slide block 6 be arranged at the bottom of counterdie 4 recesses and counterdie 4 vertically single-degree-of-freedom be slidably matched and liftout slide block 6 its top edge and counterdie 4 recess bottom surface transition and linkages while being positioned at lower dead center, be provided with along the inwall of counterdie 4 recesses and the end face of liftout slide block 6 the slot type U-shaped punching press die cavity II9 matched with slot type U-shaped punching press die cavity I 3, the cross section of slot type U-shaped punching press die cavity I 3 and slot type U-shaped punching press die cavity II9 is the circular arc that is less than or equal to semicircle, described elastic force apparatus 7 is arranged at liftout slide block 6 belows and is used to liftout slide block 6 providers to the elastic force made progress, make liftout slide block 6 jack-up that can freely make progress under the elastic force effect of elastic force apparatus 7, at first the bottom that the downward bent part that is stamped on workpiece during Bending Processing divides contacts the end face of liftout slide block 6 and lifts flat to the bending part extension under the supporting role of liftout slide block, further punching press vertically moves down under pressure liftout slide block 6 elastic force apparatus 7 compress energy storage is completed to punch forming until liftout slide block 6 is displaced downwardly to the lower dead center place, make workpiece deformation stable, in die cavity, do not produce and pile up, on workpiece without local crimp, the mold cavity surface is not produced to local extruding force, product structure is stable, quality is good, mould is stressed evenly, be beneficial to the raising die life, after moulding, elastic force apparatus 7 releases energy liftout slide block 6 is upspring and then workpiece is ejected, being convenient to workpiece takes out, can enhance productivity.
In the present embodiment, be provided with the through hole vertically slided for liftout slide block 6 on described counterdie 4, can effectively limit the horizontal direction free degree of liftout slide block 6, make 6 motions of liftout slide block steadily, reliably, liftout slide block 6 is glided spacing by the end face of lower bolster 5, by 5 pairs of liftout slide blocks 6 of lower bolster to be supported than large contact surface, make liftout slide block 6 in the situation that the certain suffered pressure of stamping pressure is less, prevent that liftout slide block 6 from producing distortion, guarantees Stability Analysis of Structures and the serviceability of mould.
In the present embodiment, described elastic force apparatus 7 is the elastic rubber structure, comprise dull and stereotyped I 7a, the dull and stereotyped II7b be arranged in parallel and be clipped in the elastic rubber 7c between dull and stereotyped I 7a and dull and stereotyped II7b, each modular construction is simple, easy processing and fabricating, elastic rubber 7c serviceability is good, and material source is wide, and cost is low.
In the present embodiment, described elastic force apparatus 7 is by vertically through it, inner screw rod 10 is anchored on lower bolster 5 bottom surfaces, screw rod 10 lower ends are provided with the nut 11 for elastic force apparatus 7 is positioned, also be provided with push rod 12 between elastic force apparatus 7 and liftout slide block 6, described push rod 12 is stepped screw, on lower bolster 5, the position of corresponding stepped screw is provided with counterbore 5a, stepped screw is anchored on liftout slide block 6 bottoms through counterbore 5a and passes to liftout slide block 6 and liftout slide block 6 is carried out to upper cunning spacing for the elastic force by elastic force apparatus 7, before making bending, liftout slide block 6 can be supported workpiece in a suitable height, elastic force apparatus 7 can be accepted pressing down of liftout slide block 6 by push rod 12 and does work and carry out accumulation of energy, after moulding, elastic force apparatus 7 discharges its energy and passes through push rod 12 by liftout slide block 6 jack-up, and then by workpiece jack-up, be convenient to the taking-up of workpiece, can enhance productivity, its compact conformation, volume is little, easy accessibility.
In the present embodiment, the both sides, rear portion that are positioned at lower bolster 5 vertically respectively are provided with a guide cylinder 13, lower bolster 5 interference fit connection is with it inserted in guide cylinder 13 lower ends, being positioned on cope match-plate pattern 1 position corresponding to guide cylinder 13 is provided with circular hole and is nested in circular hole fixing and be placed in the outer fairlead 14 that single-degree-of-freedom is slidably connected with it of guide cylinder 13, described fairlead 14 upper end outer walls are provided with step surface structure 14a and pass through its step surface structure 14a axial location in the circular hole place of cope match-plate pattern 1, can specifically with respect to counterdie, specifically carry out more effective horizontal direction to patrix by guide cylinder 13 and fairlead 14 spacing, can prevent that the die shank and the concrete occurred level of patrix that cause due to vibrations in the punch press operation process from departing from, guarantee the quality of workpiece and the security of punching course.
In the present embodiment, be provided with the locating slot corresponding with the workpiece profile 15 on the end face of described counterdie 4, locating slot 15 limits location for before bending, workpiece being carried out to appearance profile, locating slot 15 and rounding off identical with slot type U-shaped punching press die cavity II9 cross sectional shape joins, as shown in the figure, locating slot 15 comprises two square grooves that are positioned at counterdie 4 recess both sides, the upper end that slot type U-shaped punching press die cavity II9 is positioned at two vertical sections of counterdie 4 recess madial walls joins with the square groove rounding off of respective side respectively, can make in Punching Process workpiece deformation soft, steadily, avoid producing shearing stress on workpiece, workpiece quality after the assurance moulding, also reduce the suffered shock loading of mould, guarantee that mould structure is not damaged.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. a SUV front shroud lock pin Bending Mould, is characterized in that: comprise that patrix is concrete and counterdie is concrete;
Described patrix specifically comprises cope match-plate pattern (1) and patrix (2); Described cope match-plate pattern (1) is horizontally disposed with, and the end face that is positioned at cope match-plate pattern (1) is provided with the die shank (1a) for being fixedly connected with the die shank of punch press; Described patrix (2) is fixed in the bottom surface of cope match-plate pattern (1), and patrix (2) is punch, along left surface, bottom surface and the right flank of its protuberance, is provided with slot type U-shaped punching press die cavity I (3);
Described counterdie specifically comprises counterdie (4), lower bolster (5), liftout slide block (6) and elastic force apparatus (7); Described lower bolster (5) is fixed in work bench of punch press (8); Described counterdie (4) be fixed in lower bolster (5) above, counterdie (4) is die, the mode that workpiece limits by appearance profile before punch process is positioned counterdie (4) end face; Described liftout slide block (6) be arranged at the bottom of counterdie (4) recess and counterdie (4) vertically single-degree-of-freedom be slidably matched and liftout slide block (6) its top edge and counterdie (4) recess bottom surface transition and linkage while being positioned at lower dead center, be provided with along the inwall of counterdie (4) recess and the end face of liftout slide block (6) the slot type U-shaped punching press die cavity II (9) matched with slot type U-shaped punching press die cavity I (3), the cross section of slot type U-shaped punching press die cavity I (3) and slot type U-shaped punching press die cavity II (9) is the circular arc that is less than or equal to semicircle; Be provided with the locating slot corresponding with the workpiece profile (15) on the end face of described counterdie (4), locating slot (15) limits location for before bending, workpiece being carried out to appearance profile, and locating slot (15) and rounding off identical with slot type U-shaped punching press die cavity II (9) cross sectional shape joins; Described elastic force apparatus (7) is arranged at liftout slide block (6) below and is used to liftout slide block (6) provider to the elastic force made progress;
Described elastic force apparatus (7) is by vertically through it, inner screw rod (10) is anchored on lower bolster (5) bottom surface, screw rod (10) lower end is provided with the nut (11) for elastic force apparatus (7) is positioned, be positioned between elastic force apparatus (7) and liftout slide block (6) and also be provided with push rod (12), described push rod (12) is stepped screw, the position of the upper corresponding stepped screw of lower bolster (5) is provided with counterbore (5a), it is spacing for the elastic force of elastic force apparatus (7) being passed to liftout slide block (6) and liftout slide block (6) being carried out to upper cunning that stepped screw is anchored on liftout slide block (6) bottom through counterbore (5a).
2. SUV front shroud lock pin Bending Mould according to claim 1, it is characterized in that: be provided with the through hole vertically slided for liftout slide block (6) on described counterdie (4), liftout slide block (6) is glided spacing by the end face of lower bolster (5).
3. SUV front shroud lock pin Bending Mould according to claim 2, it is characterized in that: described elastic force apparatus (7) is for the elastic rubber structure, comprise the dull and stereotyped I (7a) be arranged in parallel, dull and stereotyped II (7b) and be clipped in dull and stereotyped I (7a) and dull and stereotyped II (7b) between elastic rubber (7c).
4. SUV front shroud lock pin Bending Mould according to claim 3, it is characterized in that: the both sides, rear portion that are positioned at lower bolster (5) vertically respectively are provided with a guide cylinder (13), lower bolster (5) interference fit connection is with it inserted in guide cylinder (13) lower end, being positioned at the upper position corresponding to guide cylinder (13) of cope match-plate pattern (1) is provided with circular hole and is nested in circular hole fixing and be placed in guide cylinder (13) fairlead (14) that single-degree-of-freedom is slidably connected with it outward, described fairlead (14) upper end outer wall is provided with step surface structure (14a) and passes through its step surface structure (14a) axial location in the circular hole place of cope match-plate pattern (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110255280 CN102310130B (en) | 2011-08-31 | 2011-08-31 | Bending mold for front cover lock pin of SUV (sport utility vehicle) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110255280 CN102310130B (en) | 2011-08-31 | 2011-08-31 | Bending mold for front cover lock pin of SUV (sport utility vehicle) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102310130A CN102310130A (en) | 2012-01-11 |
| CN102310130B true CN102310130B (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110255280 Expired - Fee Related CN102310130B (en) | 2011-08-31 | 2011-08-31 | Bending mold for front cover lock pin of SUV (sport utility vehicle) |
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| CN (1) | CN102310130B (en) |
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| CN104588497A (en) * | 2014-12-03 | 2015-05-06 | 柳州通为机械有限公司 | Bending die of front shade lock pin |
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| CN108746280A (en) * | 2018-06-01 | 2018-11-06 | 无锡市优尔盛汽车配件制造有限公司 | Bending push rod moulding process |
| CN109759508A (en) * | 2018-10-22 | 2019-05-17 | 哈尔滨理工大学 | It is a kind of for processing the design and use method of the stamping die of curved punching needle |
| CN110509465B (en) * | 2019-09-02 | 2020-04-17 | 台州市黄岩区质量技术监督检测研究院 | Plastic mold device convenient to get piece |
| CN114011922A (en) * | 2021-11-05 | 2022-02-08 | 四川航天烽火伺服控制技术有限公司 | Sheet metal part bending die |
| CN115351167B (en) * | 2022-10-19 | 2023-09-01 | 徐州坤达门窗有限公司 | Door and window pulley support stamping device |
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| CN2865900Y (en) * | 2005-12-02 | 2007-02-07 | 中国重型汽车集团有限公司 | A U-type thick plate bending mold |
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| Publication number | Publication date |
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| CN102310130A (en) | 2012-01-11 |
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