CN105312422A - Open ring slide bar bending die - Google Patents

Open ring slide bar bending die Download PDF

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Publication number
CN105312422A
CN105312422A CN201410376090.4A CN201410376090A CN105312422A CN 105312422 A CN105312422 A CN 105312422A CN 201410376090 A CN201410376090 A CN 201410376090A CN 105312422 A CN105312422 A CN 105312422A
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CN
China
Prior art keywords
die
block
slide bar
hole
punch
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Pending
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CN201410376090.4A
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Chinese (zh)
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徐益红
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徐益红
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Priority to CN201410376090.4A priority Critical patent/CN105312422A/en
Publication of CN105312422A publication Critical patent/CN105312422A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an open ring slide bar bending die. The open ring slide bar bending die comprises an upper die holder, a convex die, a lower die holder and a concave die, wherein the convex die is H-shaped, and sequentially comprises a connecting block, a connecting rod and a convex die block from top to bottom; the convex die is movably connected to a position below the upper die holder; reshaping press blocks are arranged on the left and right sides of the convex die respectively and are fixedly connected to positions below the upper die holder; the lower surfaces of the reshaping press blocks are positioned over the upper surface of the convex die block; each of the left and right sides of the upper die holder is fixedly connected with a slide bar; the upside of the lower die holder is connected with a support; the concave die is arranged in the middle of the upper side of the support; a slide block is arranged on each of the left and right sides of the upper side of the support; a slide bar slippage hole is formed in each slide block; a positioning structure is arranged on the upper surface of each slide block. Products difficultly have defects such as springback and wrinkling; no subsequent working procedure is required in production, thereby improving the production efficiency and reducing the production cost; scraped products are not easily caused, thereby avoiding wastes; the bending die is simple in structure, and convenient to operate.

Description

Open annular part slide bar bending die
Technical field
The present invention relates to stamping technology field, particularly relate to a kind of open annular part slide bar bending die.
Background technology
Punching press is under normal temperature condition, utilizes the diel be arranged on forcing press, applies pressure to raw material, raw material is produced and is separated or plastic deformation, thus obtains a kind of pressure processing method of required part.Diel is in punch process, raw material is processed into a kind of technological equipment of part, and bending die is a type of diel, in production, according to the shape of part, by bending die and forcing press, blank is curved the product of definite shape and size.As shown in Figure 6, be a kind of open annular part, raw material adopt metal blank, and shaped by bending die, this product is widely used in the various equipment such as machine, mechanism, device.The bending die processing this product has many kinds, but after common bending die processing, product is easy to produce resilience, the defect such as wrinkling, have a strong impact on product quality, the lighter product of some quality problems can eliminate resilience, the defect such as wrinkling by subsequent handling, but so just extend machining period, add production cost, reduce operating efficiency; Even and if the serious product of some quality problems also cannot eliminate resilience, the defect such as wrinkling by subsequent handling, this creates the terminal product rejection, cause and produce waste, affect manufacturing schedule.
Summary of the invention
The problem to be solved in the present invention is, for prior art open annular part aborning, easily produce resilience, the defect such as wrinkling, one is provided not easily to produce resilience, the defect such as wrinkling, can enhance productivity, reduce production cost, avoid the open annular part slide bar bending die wasted.
Object of the present invention is achieved through the following technical solutions.Open annular part slide bar bending die, comprise upper bolster, punch, die shoe, die, described punch is I-shaped, comprise contiguous block from top to bottom, connecting rod, convex module, punch is movably connected in below upper bolster, the left and right sides of punch is respectively equipped with shaping pressure block, shaping pressure block is fixedly connected on below upper bolster, the lower surface of shaping pressure block is positioned on the upper surface of convex module, the left and right sides of described upper bolster is fixedly connected with slide bar respectively, described slide bar comprises connecting portion from top to bottom, first rake, second rake and guide part, connecting portion and guide part are vertically arranged, first rake and the second rake form a V-arrangement towards punch projection, the top of described die shoe connects a bearing, die is arranged in the middle of on the upside of bearing, the left and right sides on the upside of bearing is respectively equipped with slide block, slide block is provided with slide bar slip hole, the left and right sides of slide bar slip hole longitudinal cross-section is in V-arrangement protruding in opposite directions, slide block upper surface is provided with location structure, bearing is provided with slide bar through hole, slide bar through hole is positioned at below slide bar slip hole.Common bending die process this open annular part time, because product after bending forming also leaves residual stress, thus be easy to produce resilience; further, some bending die is in process, and punch or die swing; because product is by the problem rolling direction, product is easy to wrinkling.And adopt the present invention, during work, plate is placed on above die, location structure is located, and when patrix is descending, first sheet-metal press working is taken the shape of the letter U, slide bar promotes slide block and moves inward, also namely move toward punch direction, make U-shaped be transformed into open annular part, patrix continues descending, slide bar promotes slide block and moves outward, shaping pressure block is pressed in the upper side of open annular part, eliminates the residual stress on annular element, makes product not easily produce resilience.Further, in whole punching course, what each side of product was subject to roll all with each lateral vertical, make product not easily produce wrinkling problem.
As preferably, the U-shaped groove extended from front to back is provided with in the middle of on the upside of described bearing, the left and right sides on the upside of bearing is respectively equipped with the T-shaped groove extended from left to right, slide bar through hole is arranged on the bottom surface of T-shaped groove, die comprises left half die block and right half die block, left half die block and right half die block are all in cuboid, left half die block and right half die block are separately positioned on left side and the right side of U-shaped groove, distance is left between left half die block and right half die block, slide block is arranged in T-shaped groove, slide block is downward-sloping inclined-plane towards the one side in punch direction.Left half die block and right half die block are separately positioned on left side and the right side of U-shaped groove, distance is left between left half die block and right half die block, this structure makes left half die block, forms the groove of a die between right half die block and the bottom surface of U-shaped groove, structure is simple, manufactures and installs all very convenient; Slide block is arranged in T-shaped groove, and promote slide block when slide bar moves up and down and move left and right at T-shaped groove, this is simple for structure, easy for installation, easy to use.
As preferably, described upper bolster lower surface connection backing plate, backing plate lower surface is connected and fixed plate, upper bolster lower surface is provided with the first shrinkage pool, and backing plate is provided with the first through hole, and fixed head is provided with the second through hole, first through hole is greater than the second through hole, the contiguous block of punch is positioned at the first through hole, and the connecting rod of punch is through the second through hole, and the upside of contiguous block is provided with the first spring.Punch is when being subject to active force upwards, and contiguous block promotes the first spring, and make the first spring-compressed, punch up moves, and it is all convenient that this structure is processed and installed.
As preferably, the centre of described bearing is provided with up-small and down-big third through-hole, the centre of die shoe upper surface is provided with the second shrinkage pool, second shrinkage pool is communicated with the through hole of the downside of bearing third through-hole and aperture is identical, push rod is T-shaped in what stand upside down, the lower end of push rod is positioned at the downside of third through-hole, and the below of push rod lower surface is provided with the second spring, and the upper end of push rod is stretched out from third through-hole.When plate is placed on die, plate withstands by the upper end of push rod, and punch is descending, push rod is stressed descending, by the second spring-compressed, become in the whole process of U-shaped in sheet-metal press working, push rod withstands on the downside of plate all the time, plate is made not easily slippage to occur, thus avoid and make the inaccurate problem of product shape, when punch is up, product is under the effect of spring force, eject die, conveniently product is taken out.
As preferably, the location structure of described slide block upper surface is location-plate, and location-plate is fixedly connected on slide block upper surface, and positioning plate structure is simple, and making and installation is convenient.
As preferably, be fixedly connected with a die shank above described upper bolster, when being installed on forcing press by the patrix of this mould, die shank plays guide-localization effect, make patrix and counterdie Aligning degree higher.
The invention has the beneficial effects as follows, product not easily produces resilience, the defect such as wrinkling, without the need to subsequent handling in production, improves production efficiency, reduces production cost, not easily cause product rejection, avoid waste, simple for structure, easy to operate.
Accompanying drawing explanation
Structural representation when Fig. 1 is upper and lower mould of the present invention separation.
The structural representation of first step when Fig. 2 is upper and lower mould pressing in embodiment.
The structural representation of second step when Fig. 3 is upper and lower mould pressing in embodiment.
The structural representation of the 3rd step when Fig. 4 is upper and lower mould pressing in embodiment.
Fig. 5 is the structural representation of bearing.
Fig. 6 is the structural representation of product.
Detailed description of the invention
Below the present invention is described in further detail in conjunction with the accompanying drawings and embodiments:
Embodiment, as shown in Figure 1, open annular part slide bar bends, be made up of patrix and counterdie, patrix comprises die shank 1, upper bolster 2, backing plate 3, fixed head 4, punch 6, shaping pressure block 5, slide bar 15, first spring 16 etc., die shank is fixedly connected on upper bolster upper surface, upper bolster lower surface connection backing plate, backing plate lower surface is connected and fixed plate, upper bolster, backing plate, fixed head is fixed together by straight pin and screw, upper bolster lower surface is provided with the first circular shrinkage pool, backing plate is provided with the first circular through hole, fixed head is provided with the second circular through hole, the aperture of the first through hole is greater than the aperture of the second through hole, punch is I-shaped, comprise contiguous block from top to bottom, connecting rod, convex module, contiguous block is flat circle, connecting rod is cylindrical, convex module is cuboid, contiguous block is positioned at the first through hole, the connecting rod of punch is through the second through hole, the upside of contiguous block is provided with the first spring, first spring is positioned at the first shrinkage pool and the first through hole.The left and right sides of punch connecting rod arranges a shaping pressure block respectively, and shaping pressure block is at right angles Z-shaped, is fixedly connected on fixed head lower surface by screw, and the lower surface of shaping pressure block is positioned on the upper surface of convex module.The left and right sides of upper bolster is fixedly connected with a slide bar 15 respectively, slide bar comprises connecting portion, the first rake, the second rake and guide part from top to bottom, slide bar cross section is from top to bottom rectangle, connecting portion and guide part are vertically arranged, and the first rake and the second rake form a V-arrangement towards punch projection.Counterdie comprises die shoe 9, bearing 8, die 10, slide block 7, location-plate 13 etc., bearing is fixedly connected on die shoe upper surface by straight pin and screw, as shown in Figure 5, the basic configuration of bearing is cuboid, be provided with from the leading flank U-shaped groove 82 that extends through of side backward in the middle of on the upside of bearing, the left and right sides on the upside of bearing is respectively equipped with the T-shaped groove 83 extended from left to right, the bottom surface of T-shaped groove is provided with the rectangular slide bar through hole 81 of cross section, die comprises left half die block and right half die block, left half die block and right half die block are all in cuboid, left half die block and right half die block are separately positioned on left side and the right side of U-shaped groove, certain distance is left between left half die block and right half die block, left half die block, the bottom surface of right half die block and U-shaped groove forms the die hole of die.The basic configuration of slide block is flat cuboid, and slide block is arranged in the T-shaped groove of bearing, and with T-shaped groove matched in clearance, slide block is the inclined-plane downward-sloping to punch direction towards the one side in punch direction.Slide bar slip hole logical is from the top down provided with in the middle of slide block, the left and right sides of slide bar slip hole longitudinal cross-section is in V-arrangement protruding in opposite directions, also namely the left and right sides of slide bar slip hole are made up of upper and lower two inclined-planes, ramp is centroclinal to hole, lower inclined plane inclined in opposite directions, the two sides, front and back of slide bar slip hole are vertical planes, and slide block upper surface is fixedly connected with location-plate 13 by screw, and slide bar through hole is positioned at below slide bar slip hole.The bottom surface of bearing U-shaped groove is provided with the third through-hole of up-small and down-big circle, the centre of die shoe upper surface is provided with the second circular shrinkage pool, second shrinkage pool is communicated with the through hole of the downside of bearing third through-hole and aperture is identical, push rod 12 is T-shaped in what stand upside down, the lower end of push rod is positioned at the downside of third through-hole, the below of push rod lower surface is provided with the second spring 11, and the upper end of push rod is stretched out from third through-hole, and the elastic force of the first spring is greater than the elastic force of the second spring.When upper and lower mould is separated, the guide part of slide bar is positioned at slide bar slip hole, and the second spring, by push rod jack-up, makes the upper surface of push rod and the upper surface of slide block with high.During work, be placed on slide block by plate 14, between two pieces of location-plates, punching course is as follows, the first step, as shown in Figure 2, patrix is descending, plate is compressed into die downwards by punch, and plate is pressed into U-shaped part, and the second rake of slide bar enters in the slide bar slip hole of slide block; Second step, as shown in Figure 3, patrix continues descending, and the second rake moves down, masterpiece is used in slide block slide bar slip hole on the ramp of punch side, thus promotion slide block moves to punch direction, the upper end of the U-shaped part left and right sides is pressed to centre, and U-shaped part is pressed into open annular part, simultaneously, punch by the first spring-compressed, punch relative uplink, shaping pressure block is descending; 3rd step, as shown in Figure 4, patrix continues descending, and slide bar is descending, and masterpiece is used on the ramp of slide block slide bar slip hole away from punch side by the first rake on slide bar, slide block is promoted to the direction leaving punch, meanwhile, punch continues the first spring-compressed, and shaping pressure block 5 is pressed in the upper side of open annular part, shaping is carried out to it, eliminates residual stress; 4th step, patrix is up, and shaping pressure block leaves annular element, and slide bar is also up, and the first rake of slide bar acts on slide bar slip hole on the lower inclined plane of punch side, promotes slide block and moves to punch direction; 5th step, patrix continues up, and slide bar also continues up, and masterpiece is used on the lower inclined plane of slide bar slip hole away from punch side by the second rake of slide bar, promotes slide block and moves to the direction away from punch; 6th step, patrix continues up, and slide bar also continues up, and the guide part of slide bar is positioned at slide bar slip hole, also i.e. position as shown in Figure 1, and get back to initial conditions, product is ejected die by the second spring, takes out product.
The above is the present invention's preferably detailed description of the invention, not limits practical range of the present invention with this.The present invention can also have other embodiment, and only otherwise deviate from spirit of the present invention, no matter in form what kind of conversion all drops within protection scope of the present invention.

Claims (6)

1. open annular part slide bar bending die, comprise upper bolster, punch, die shoe, die, it is characterized in that, described punch is I-shaped, comprise contiguous block from top to bottom, connecting rod, convex module, punch is movably connected in below upper bolster, the left and right sides of punch is respectively equipped with shaping pressure block, shaping pressure block is fixedly connected on below upper bolster, the lower surface of shaping pressure block is positioned on the upper surface of convex module, the left and right sides of described upper bolster is fixedly connected with slide bar respectively, described slide bar comprises connecting portion from top to bottom, first rake, second rake and guide part, connecting portion and guide part are vertically arranged, first rake and the second rake form a V-arrangement towards punch projection, the top of described die shoe connects a bearing, die is arranged in the middle of on the upside of bearing, the left and right sides on the upside of bearing is respectively equipped with slide block, slide block is provided with slide bar slip hole, the left and right sides of slide bar slip hole longitudinal cross-section is in V-arrangement protruding in opposite directions, slide block upper surface is provided with location structure, bearing is provided with slide bar through hole, slide bar through hole is positioned at below slide bar slip hole.
2. open annular part slide bar bending die according to claim 1, it is characterized in that, the U-shaped groove extended from front to back is provided with in the middle of on the upside of described bearing, the left and right sides on the upside of bearing is respectively equipped with the T-shaped groove extended from left to right, slide bar through hole is arranged on the bottom surface of T-shaped groove, die comprises left half die block and right half die block, left half die block and right half die block are all in cuboid, left half die block and right half die block are separately positioned on left side and the right side of U-shaped groove, distance is left between left half die block and right half die block, slide block is arranged in T-shaped groove, slide block is downward-sloping inclined-plane towards the one side in punch direction.
3. open annular part slide bar bending die according to claim 1, it is characterized in that, described upper bolster lower surface connection backing plate, backing plate lower surface is connected and fixed plate, and upper bolster lower surface is provided with the first shrinkage pool, backing plate is provided with the first through hole, fixed head is provided with the second through hole, and the first through hole is greater than the second through hole, and the contiguous block of punch is positioned at the first through hole, the connecting rod of punch is through the second through hole, and the upside of contiguous block is provided with the first spring.
4. the open annular part slide bar bending die according to claim 1 or 2 or 3, it is characterized in that, the centre of described bearing is provided with up-small and down-big third through-hole, the centre of die shoe upper surface is provided with the second shrinkage pool, second shrinkage pool is communicated with the through hole of the downside of bearing third through-hole and aperture is identical, and push rod is T-shaped in what stand upside down, and the lower end of push rod is positioned at the downside of third through-hole, the below of push rod lower surface is provided with the second spring, and the upper end of push rod is stretched out from third through-hole.
5. the open annular part slide bar bending die according to claim 1 or 2 or 3, is characterized in that, the location structure of described slide block upper surface is location-plate, and location-plate is fixedly connected on slide block upper surface.
6. the open annular part slide bar bending die according to claim 1 or 2 or 3, is characterized in that, be fixedly connected with a die shank above described upper bolster.
CN201410376090.4A 2014-08-02 2014-08-02 Open ring slide bar bending die Pending CN105312422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410376090.4A CN105312422A (en) 2014-08-02 2014-08-02 Open ring slide bar bending die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410376090.4A CN105312422A (en) 2014-08-02 2014-08-02 Open ring slide bar bending die

Publications (1)

Publication Number Publication Date
CN105312422A true CN105312422A (en) 2016-02-10

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106853468A (en) * 2016-12-16 2017-06-16 张萍 A kind of rapidly and efficiently bending system for hardware sheet material
CN106964699A (en) * 2017-04-14 2017-07-21 镇江泛美汽车零部件有限公司 The interior bending mould of rain brush large arm former
CN107096830A (en) * 2017-06-26 2017-08-29 昆山申凌精密金属工业有限公司 A kind of computer buckle diel with holes
CN110834054A (en) * 2019-11-25 2020-02-25 太原理工大学 Device and process for preparing cladding joint based on double-layer metal composite plate

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JP2010125475A (en) * 2008-11-26 2010-06-10 Nippon Light Metal Co Ltd Extruding die for forming hollow shape material
CN202270788U (en) * 2011-09-30 2012-06-13 湖北三环锻压设备有限公司 Adjustable U-shaped dual-round corner square pipe bending mold
CN102615194A (en) * 2012-04-18 2012-08-01 苏州市伟业金属制品有限公司 Blade bending die for scarifier
CN203955922U (en) * 2014-08-02 2014-11-26 徐益红 Open annular part slide bar bending die

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Publication number Priority date Publication date Assignee Title
JP2010125475A (en) * 2008-11-26 2010-06-10 Nippon Light Metal Co Ltd Extruding die for forming hollow shape material
CN202270788U (en) * 2011-09-30 2012-06-13 湖北三环锻压设备有限公司 Adjustable U-shaped dual-round corner square pipe bending mold
CN102615194A (en) * 2012-04-18 2012-08-01 苏州市伟业金属制品有限公司 Blade bending die for scarifier
CN203955922U (en) * 2014-08-02 2014-11-26 徐益红 Open annular part slide bar bending die

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106853468A (en) * 2016-12-16 2017-06-16 张萍 A kind of rapidly and efficiently bending system for hardware sheet material
CN106964699A (en) * 2017-04-14 2017-07-21 镇江泛美汽车零部件有限公司 The interior bending mould of rain brush large arm former
CN107096830A (en) * 2017-06-26 2017-08-29 昆山申凌精密金属工业有限公司 A kind of computer buckle diel with holes
CN110834054A (en) * 2019-11-25 2020-02-25 太原理工大学 Device and process for preparing cladding joint based on double-layer metal composite plate

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