CN201625727U - Various-shape terrace-die forming mold with controllable draw bead added with radial pushing force - Google Patents

Various-shape terrace-die forming mold with controllable draw bead added with radial pushing force Download PDF

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Publication number
CN201625727U
CN201625727U CN2010201606707U CN201020160670U CN201625727U CN 201625727 U CN201625727 U CN 201625727U CN 2010201606707 U CN2010201606707 U CN 2010201606707U CN 201020160670 U CN201020160670 U CN 201020160670U CN 201625727 U CN201625727 U CN 201625727U
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CN
China
Prior art keywords
die
radial
forming
blank holder
plate
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Expired - Fee Related
Application number
CN2010201606707U
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Chinese (zh)
Inventor
李小平
彭成允
胡建军
唐丽文
夏华
周志明
张侠
吴善勇
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Chongqing University of Technology
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Chongqing University of Technology
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Priority to CN2010201606707U priority Critical patent/CN201625727U/en
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Publication of CN201625727U publication Critical patent/CN201625727U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a various-shape terrace-die forming mold with a controllable draw bead added with a radial pushing force, comprising a concave die, forming solid particles, a draw bead, an edge pressing ring, a compaction air cylinder, a backing plate, a lower die seat, an ejector pin, a pressing block, a material ejecting air cylinder, a top plate, radial solid particles, a sealing plate, blanks and the like, wherein the lower die seat is provided with the material ejecting air cylinder; the working end of the material ejecting air cylinder penetrates into the material pressing plate to contact with the top plate in the edge pressing ring to prop against the lower surface of the top plate; the sealing plate is mounted on the edge pressing ring; and the radial solid particles are arranged in a radial sealing space formed in the forming process of the sealing plate, the concave die, the edge pressing ring, the top plate and the blanks. The patent is the novel die combined with the movable draw bead and the radial solid particle medium for increasing the pushing force; the draw bead of the die has conveniently-controlled resistance, loading the radial pushing force and forming solid particle terrace die are safe and reliable; and the forming mold with the controllable draw bead added with the radial pushing force has no pollution, and has easy forming during actual production, and the forming quality of products is obviously improved.

Description

Forming die with shape-variable male die with controlled brake beads and radial thrust
Technical field
The utility model belongs to Stamping Die Technology, is specifically related to a kind of forming die with shape-variable male die with controlled brake beads and radial thrust, mainly is at the alterable brake bead height, radial thrust is provided, becomes the mould of punch shape.
Technical background
Common shaping dies does not have radial thrust, is shaped to drive plate by punch, finishes to the die pulling.The cupping tool of band hydraulic radial, radial thrust are realized that by fluid pressure sealing problem is difficult to solve; Simultaneously, the cupping tool structure that has hydraulic means is complicated, and cost is higher.
Common die is made by punching block, and punch shape in drawing process is constant.This mould is easy unbalance stress in drawing process, occurs the drawing crack phenomenon easily, and the service life of reduction mould, thereby increase production cost wearing and tearing appear, in mould easily.Hydro-drawing mould sealing problem can't solve, and has potential safety hazard, and easily pollutes working environment.
Present diel, the convex tendon of bead are fixed on holding pad or the die usually, and the bead resistance is changeless in whole draw forming process.But along with punching stroke, requiring the bead resistance is the draw forming that changes for needs, and this fixed form just can't realize.Simultaneously, this bead is fixed on the mode on holding pad or the die, also is not easy to repair a die, sometimes may cause and scrap holding pad or die because bead can't repair, this has just increased repairing a die the time of mould, reduces the service life of mould, thereby increases production cost.Being called " a kind of mould with alterable brake bead resistance ", application number as the applicant in the name of on April 13rd, 2009 application is 200910103593.3 the disclosed mould structure of patent of invention, be provided with independently bead and bead backing plate, described bead passes from die, and the lower end is by end in contact on bead backing plate and the push rod.The utility model is separated bead from die or holding pad, push rod promotes the motion of bead backing plate, and its resistance can change along with the variation of punching stroke, thereby but make bead height free adjustment by air cushion by the push rod free adjustment.
Summary of the invention
The utility model can't change alterable brake bead resistance at existing mold and common shaping dies does not have radial thrust, the punch shape is immutable and the insoluble problem of hydro-drawing mould sealing problem, a kind of mould that has the alterable brake bead height and become the solid particle amount is provided, thereby realizes alterable brake bead resistance, become the punch shape, radial thrust is provided, solves sealing problem.
The technical solution of the utility model is as follows: a kind of forming die with shape-variable male die with controlled brake beads and radial thrust comprises die, the shaping solid particle, bead, blank holder, clamping cylinder, backing plate, die shoe, push rod, briquetting, the liftout cylinder, top board, radial solid particle, sealing plate, blank etc.Die is installed on the inner slide, and briquetting is installed on the die shoe, and clamping cylinder is installed on the die shoe, and blank holder is withstood in the working end of clamping cylinder; It is characterized in that: the liftout cylinder is installed on die shoe, and the working end of liftout cylinder penetrates holding pad, contacts with top board in being arranged on blank holder, withstands the lower surface of top board; Sealing plate is installed on the blank holder, and sealing plate and die, blank holder, top board and blank form a radial-sealing space in forming process, and the radial solid particle is arranged in the radial-sealing space.
Another feature is: also be provided with by briquetting, blank, blank holder form a shaping enclosure space in forming process, and the shaping solid particle is arranged in the shaping enclosure space, as punch.
Further feature is: be provided with at least one bead and backing plate, holding pad is passed in described bead upper end, and the lower end is by end in contact on backing plate and the push rod.
Described bead is distributed on around the shaping solid particle punch; The backing plate of bead lower end links into an integrated entity.
Described radial-sealing space is distributed in the blank holder.
The topmost improvement of the utility model is that this patent is with movable brake beads, solid particle punch, radially increases a kind of novel die that thrust combines with solid particle medium.
The utility model is big to the adjusting quantitative change of bead resistance, and convenient, and actual production is very effective to improving the quality of products.Simultaneously, this mold repair is convenient, can reduce mould and repair a die the time, prolongs the service life of mould, reduces production costs.
This mould structure is simple, and radial thrust is delivered on the plate by solid particle medium by the liftout cylinder, realizes reliable, pollution-free.This mould structure also can be realized binder by clamping cylinder, realizes radial thrust by the lathe air cushion.Compare with common shaping dies, it is easier to be shaped, and effect is very remarkable.
Punch of the present utility model is to be made of the solid particle that becomes second nature in the shaping enclosure space, and punch is shape variable, stressed even in drawing process, and is very practical.Safe and reliable and very effective in the actual production to improving the quality of products.Simultaneously, the just solid particle of punch wearing and tearing in the service life of prolongation mould, reduces production costs in the use.
Description of drawings
Fig. 1 is the forming die with shape-variable male die of the controlled brake beads and radial thrust of the utility model band.
Among the figure: 1-die, 2-shaping solid particle, 3-bead, 4-blank holder, 5-clamping cylinder, 6-backing plate, the 7-die shoe, 8-push rod, 9-briquetting, 10-liftout cylinder, 11-top board, 12-radial solid particle, 13-sealing plate, 14-blank, 15-shaping enclosure space, 16-radial-sealing space.
The specific embodiment
Referring to Fig. 1, be depicted as a kind of forming die with shape-variable male die of the utility model with controlled brake beads and radial thrust, comprise die 1, shaping solid particle 2, bead 3, blank holder 4, clamping cylinder 5, backing plate 6, die shoe 7, push rod 8, briquetting 9, liftout cylinder 10, top board 11, radial solid particle 12, sealing plate 13, blank 14 etc.; Die 1 is installed on the inner slide and (does not illustrate among the figure), can move moulding in the die cavity of blank 14 in die 1; Blank holder 4 is arranged on below the die 1, and briquetting 9 lower ends are installed on the die shoe 7, and briquetting 9 upper ends are arranged in the hole of blank holder 4, and blank holder 4 moves up and down with respect to briquetting 9.Clamping cylinder 5 and liftout cylinder 10 also are installed on the die shoe 7, and the working end of clamping cylinder 5 contacts with the lower surface of blank holder 4, withstands the lower surface of blank holder 4; Clamping cylinder 5 provides blank holder 4 needed pressure-plate-forces.Blank holder 4 is passed in the working end of liftout cylinder 10, contacts with the lower surface of top board 11 in being arranged on blank holder 4 counterbores, withstands the lower surface of top board 11, promotes top board 11 upper and lower motions during 10 work of liftout cylinder.
Be provided with shaping solid particle 2 in briquetting 9 upper ends.In forming process, form a shaping enclosure space 15 between briquetting 9 upper ends, blank 14, the blank holder 4, shaping solid particle 2 is filled in the shaping enclosure space 15, and shaping solid particle 2 is as punch, and is corresponding with the die cavity of die 1.Before the matched moulds, shaping solid particle 2 is in the hole of blank holder 4, on the upper surface of briquetting 9; In drawing process, die 1 is descending, driving blank holder 4 moves downward, shaping solid particle 2 ejects in the hole of blank holder 4 with briquetting 9, be full of shaping enclosure space 15, shaping solid particle 2 in shaping enclosure space 15 acts on the blank 14 as punch, and forming process is finished in blank 14 moulding between die 1 and shaping solid particle 2.
Sealing plate 13 is installed in above the blank holder 4, sealing plate 13 and die 1, blank holder 4, top board 11 and blank 14 can form a radial-sealing space 16 in forming process, radial solid particle 12 be filled in the radial-sealing space 16 (not during moulding radial solid particle 12 in the counterbore of blank holder 4, when liftout cylinder 10 raises, ejected by top board 11 and be full of enclosure space 16), thereby prevent that radial solid particle 12 from splashing away, radial solid particle 12 can provide a thrust radially simultaneously, and blank 14 is subjected to the radial thrust of radial solid particle 12 in forming process; Among the figure in blank holder 4 formed radial-sealing space 16 be distributed on the blank holder 4, the radial thrust that radial solid particle 12 produced is equated.Under liftout cylinder 10 effect, the radial solid particles 12 that top board 11 promotes in the radial-sealing spaces 16 move up and down synchronously, regulate what (radial solid particles 12 that flow out in the blank holder 4 what) that radial solid particle 12 flows out blank holders 4.All liftout cylinders 10 are fixed on the die shoe 7, guarantee that the radial solid particle 12 in the radial-sealing space 16 moves up and down synchronously, guarantee that the quantity of the radial solid particle 12 of outflow blank holder 4 equates, strengthen its running stability; Guarantee that the radial thrust that is provided equates.
In figure, the utility model mould also is provided with at least one independently bead 3, and blank holder 4 is passed in bead 3 upper ends, and the lower end is arranged on the backing plate 6, and push rod 8 upper surfaces contact with backing plate 6.Push rod 8 moves up and down by promoting backing plate 6, moves up and down synchronously thereby promote bead 3, regulates the height (height that upwards passes from blank holder 4) that bead 3 exposes blank holder 4.Clamping cylinder 5 is jack-up upwards, provides blank holder 4 needed pressure-plate-forces.Push rod 8 is connected with air cushion, utilizes lathe air cushion self function, the size of the active force that adjusting push rod 8 is provided, thus the resistance of bead is changed along with the variation of punching stroke.Bead 3 among the figure is distributed on around shaping solid particle 2 punch, and the resistance that uniform bead 3 is produced equates; The backing plate 6 of bead 3 lower ends is linked into an integrated entity, guarantee that uniform bead 3 moves up and down synchronously, it highly keeps identical, strengthens its running stability.
Shaping solid particle 2 of the present utility model, radial solid particle 12 mainly adopt steel ball, steel ball, Metal Ball or the suitable particle of other performances, satisfy the needs of moulding extruding.

Claims (4)

1. forming die with shape-variable male die with controlled brake beads and radial thrust, comprise die (1), blank holder (4), clamping cylinder (5), die shoe (7), push rod (8), liftout cylinder (10), blank (14), blank holder (4) is arranged on below the die (1), blank (14) moulding in the die cavity of die (1); Clamping cylinder (5) is installed on the die shoe (7), and the working end of clamping cylinder (5) contacts with the lower surface of blank holder (4); It is characterized in that: go up at die shoe (7) liftout cylinder (10) is installed, the working end of liftout cylinder (10) penetrates blank holder (4), contact with the top board (11) in being arranged on blank holder (4), withstand the lower surface of top board (11), sealing plate (13) is installed in above the blank holder (4), and radial solid particle (12) is set on top board (11); In forming process, sealing plate (13) forms a radial-sealing space (16) with die (1), blank holder (4), top board (11) and blank (14) in forming process, and described radial solid particle (12) is full of radial-sealing space (16);
Briquetting (9) lower end is installed on the die shoe (7), and briquetting (9) upper end is arranged in the hole of blank holder (4), and blank holder (4) moves up and down with respect to briquetting (9), and briquetting (9) is provided with shaping solid particle (2); In forming process, form a shaping enclosure space (15) between briquetting (9) upper end, blank (14), the blank holder (4), shaping solid particle (2) is full of shaping enclosure space (15), shaping solid particle (2) in shaping enclosure space (15) is as punch, and is corresponding with the die cavity of die (1).
2. the forming die with shape-variable male die with controlled brake beads and radial thrust according to claim 1, it is characterized in that: be provided with at least one bead (3) and backing plate (6), blank holder (4) is passed in bead (3) upper end, the lower end is arranged on the backing plate (6), and push rod (8) upper end contacts with backing plate (6); Push rod (8) is upwards passed by die shoe (7) bottom, drives the upper and lower motion of bead (3) by backing plate (6).
3. want 2 described forming die with shape-variable male die with controlled brake beads and radial thrust according to right, it is characterized in that: described bead (3) is distributed on around shaping solid particle (2) punch; The backing plate (6) of bead (3) lower end links into an integrated entity.
4. want 1 described forming die with shape-variable male die with controlled brake beads and radial thrust according to right, it is characterized in that: described radial-sealing space (16) is distributed in the blank holder (4).
CN2010201606707U 2010-04-15 2010-04-15 Various-shape terrace-die forming mold with controllable draw bead added with radial pushing force Expired - Fee Related CN201625727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201606707U CN201625727U (en) 2010-04-15 2010-04-15 Various-shape terrace-die forming mold with controllable draw bead added with radial pushing force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201606707U CN201625727U (en) 2010-04-15 2010-04-15 Various-shape terrace-die forming mold with controllable draw bead added with radial pushing force

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101829732A (en) * 2010-04-15 2010-09-15 重庆理工大学 Solid particle male die forming mold with movable brake beads and radial thrust
CN102500695A (en) * 2011-10-31 2012-06-20 湖南大学 Drawing die for large-size covering parts
CN102699174A (en) * 2012-06-28 2012-10-03 湖南大学 Method for controlling warpage and rebound of large-sized thin plate local characteristic molded type part
CN105251845A (en) * 2014-07-18 2016-01-20 浙江炜驰机械集团有限公司 Forming device for high-strength plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101829732A (en) * 2010-04-15 2010-09-15 重庆理工大学 Solid particle male die forming mold with movable brake beads and radial thrust
CN102500695A (en) * 2011-10-31 2012-06-20 湖南大学 Drawing die for large-size covering parts
CN102699174A (en) * 2012-06-28 2012-10-03 湖南大学 Method for controlling warpage and rebound of large-sized thin plate local characteristic molded type part
CN102699174B (en) * 2012-06-28 2014-08-13 湖南大学 Method for controlling warpage and rebound of large-sized thin plate local characteristic molded type part
CN105251845A (en) * 2014-07-18 2016-01-20 浙江炜驰机械集团有限公司 Forming device for high-strength plate

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101110

Termination date: 20120415

C17 Cessation of patent right