CN101837410A - Multipoint forming die based on solid particle medium back pressure - Google Patents
Multipoint forming die based on solid particle medium back pressure Download PDFInfo
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- CN101837410A CN101837410A CN 201010213804 CN201010213804A CN101837410A CN 101837410 A CN101837410 A CN 101837410A CN 201010213804 CN201010213804 CN 201010213804 CN 201010213804 A CN201010213804 A CN 201010213804A CN 101837410 A CN101837410 A CN 101837410A
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- back pressure
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Abstract
The invention relates to a multipoint forming die based on solid particle medium back pressure, which comprises a lower die holder, a top bar, a cushion block, a female die, a pressure plate, an air cylinder, a sizing block, a supporting plate, bolts, an upper die holder, a male die, a solid particle bottom die and the like. During die assembly and manufacturing, solid particles are used as the flexible forming bottom die and are filled in a bottom die cavity among the female die, a top block and a blank. Compared with liquid medium back pressure, by using the solid particle medium back pressure, the formation can be realized very easily, no special equipment is required, the leakage can be effectively avoided by using the solid particles, the environment is not polluted and the safe and reliable production can be realized. The solid particle medium back pressure can realize non-even back pressure, can effectively improve panel veneer deformation extent and can enable the thickness of the product to be evenly distributed. Since the solid particle bottom die is used as the flexible bottom die and the shape of the solid particle bottom die can be adjusted through the shape of the cushion block according to needs, the product quality is higher. Since the male die can be adjusted and varied according to the shape of the product, the die is particularly suitable for new product trial production and small and medium mass production.
Description
Technical field
The invention belongs to Stamping Die Technology, be specifically related to a kind of multipoint forming die, mainly provide the flexible bed die of solid particle medium back pressure and the mould of multi-point forming based on solid particle medium back pressure.
Background technology
Tradition multi-point forming rigid die deep-drawing technique in forming process, the sheet forming uneven thickness, forming quality is poor.Shaping dies with liquid mediums such as oil or water realization back pressure be characterized in that pressure distribution is even, but pressure distribution evenly is unfavorable for the THICKNESS CONTROL of drip molding, in case local attenuation appears in the plate somewhere in the forming process, the drawing crack phenomenon will very easily occur.In the liquid medium counterpressure forming process, difficult sealing pollutes easily to solve, and produces dangerous in addition.
Summary of the invention
The present invention is directed to the mould of existing mold liquid medium back pressure, its sealing problem is difficult to solve and the uniform problem of back pressure, a kind of multipoint forming die and method based on solid particle medium back pressure is provided, thereby realize non-homogeneous counterpressure forming, the block-shaped raising forming quality of spacer solves sealing problem.
Technical scheme of the present invention is as follows: a kind of multipoint forming die based on solid particle medium back pressure comprises die shoe, push rod, cushion block, die, holding pad, cylinder, upper bolster, punch, die is installed on the die shoe, cylinder is installed on the upper bolster, and the cylinder axis of cylinder contacts with the holding pad upper surface, and cushion block is placed in the die, with its matched in clearance, the position of cushion block is corresponding with the position of punch; Push rod passes die shoe, contacts with the lower surface of cushion block; It is characterized in that: gripper shoe is installed on the parallels, and parallels is installed on the upper bolster; Bolt is arranged in the cavity of gripper shoe, and punch is made of several bolts, and the top of every bolt is exactly a small punch, and punch is made of some small punches; On cushion block, be provided with solid particle; At matched moulds with when making, solid particle is filled in the bed die die cavity between die, jacking block and the blank, as the flexible forming bed die as the flexible forming bed die.
Further feature is: the shape of the formed flexible forming bed die of solid particle is identical with the upper surface shape of cushion block.
The topmost characteristics of the present invention are with solid particle medium back pressure and the compound mould of discrete punch.
This mould structure is simple, and solid particle medium back pressure is compared with the liquid medium back pressure, is shaped very easily to realize, does not need special installation, simultaneously, uses solid particle can effectively prevent to leak, and is free from environmental pollution, can realize safe and reliable production.The liquid medium back pressure, pressure is even, and solid particle medium back pressure can be realized non-homogeneous back pressure, can effectively improve the sheet metal deformation degree, and product thickness is evenly distributed.The solid particle bed die is as flexible bed die, and its back pressure is regulated according to need by the cushion block shape, and product quality is higher.Punch can change according to the shape of product adjustment, is particularly suitable for trial production of new products and small batch manufacturing.
Description of drawings
Fig. 1 is a kind of multipoint forming die based on solid particle medium back pressure of the present invention.
Among the figure: 1-die shoe, 2-push rod, 3-cushion block, 4-die, 5-holding pad, 6-cylinder, 7-parallels, 8-gripper shoe, 9-bolt, 10-upper bolster, 11-punch, 12-solid particle, 13-bed die die cavity, 14-blank.
The specific embodiment
Referring to Fig. 1, for a kind of multipoint forming die of the present invention, comprise die shoe 1, push rod 2, cushion block 3, die 4, holding pad 5, cylinder 6, parallels 7, gripper shoe 8, bolt 9, upper bolster 10, punch 11, solid particle 12 and blank 14 etc. based on solid particle medium back pressure; Die 4 is installed on the die shoe 1, and cylinder 6 is installed on the upper bolster 10, and the cylinder axis of cylinder 6 (working end) contacts with holding pad 5 upper surfaces, and during cylinder 6 work, its cylinder axis elongates or shortens, and promotes holding pad 5 corresponding moving to produce clamping pressure; Gripper shoe 8 is installed on the parallels 7, and parallels 7 is installed on the upper bolster 10, is provided with cavity in the gripper shoe 8, can allow several bolts 9 pass this cavity; Cushion block 3 is arranged in the cavity of die 4 centres, and with its matched in clearance, push rod 2 passes die shoe 1, contacts with the lower surface of cushion block 3, and push rod 2 promotes cushion block 3 under external force and moves up and down in the cavity of die 4; The position of cushion block 3 is corresponding with the position of punch 11; Be provided with solid particle 12 on cushion block 3, solid particle 12 is as flexible bed die.At matched moulds with when making, solid particle 12 is filled in the bed die die cavity 13 between die 4, jacking block 3 and the blank 14 as the flexible forming bed die, as the flexible forming bed die, to blank 14 non-homogeneous back pressures, makes things convenient for its moulding.The shape of the flexible forming bed die that solid particle 12 forms is by the shape decision of cushion block 3, and is identical with the shape of cushion block 3 upper surfaces.Solid particle 12 is limited in the bed die die cavity 13 in forming process, thereby prevents that the radial solid particle from splashing away.Prevent contaminated environment, realize safe and reliable production.
Some bolts 9 constitute punch 11, punch 11 is made of a lot of small punches, the top of every bolt 9 is exactly a small punch, the top of every bolt 9 all contacts with blank during moulding, according to the concrete shape that manufactures a product, adjust the top height of every bolt 9, promptly regulate the shape that its length of stretching out gripper shoe 8 is adjusted punch; Be that punch 11 is combined by a series of small punch bars, each small punch bar height is up and down regulated by bolt 9, thereby constitutes different punch end faces.Punch 11 utilizes bolt 9 to be installed on the gripper shoe 8, and many bolts 9 are realized multi-point forming.
The die bed die is made of solid particle 12, in the forming process, acts on plate all the time, becomes back pressure.This pressure is transmitted by cushion block 3 by air cushion.
Solid particle 12 of the present invention mainly adopts steel ball, steel ball, Metal Ball or the suitable particle of other performances, satisfies the needs of moulding extruding.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (2)
1. multipoint forming die based on solid particle medium back pressure, comprise die shoe (1), push rod (2), cushion block (3), die (4), holding pad (5), cylinder (6), upper bolster (10), punch (11), die (4) is installed on the die shoe (1), cylinder (6) is installed on the upper bolster (10), and the cylinder axis of cylinder (6) contacts with holding pad (5) upper surface, and cushion block (3) is placed in the die (4), with its matched in clearance, the position of cushion block (3) is corresponding with the position of punch (11); Push rod (2) passes die shoe (1), contacts with the lower surface of cushion block (3); It is characterized in that: gripper shoe (8) is installed on the parallels (7), and parallels (7) is installed on the upper bolster (10); Bolt (9) is arranged on the cavity of gripper shoe (8), and punch (11) is made of several bolts (9), and the top of every bolt (9) is exactly a small punch, and punch (11) is made of some small punches; On cushion block (3), be provided with solid particle (12); At matched moulds with when making, solid particle (12) is filled in the bed die die cavity (13) between die (4), jacking block (3) and the blank (14), as the flexible forming bed die.
2. the multipoint forming die based on solid particle medium back pressure according to claim 1 is characterized in that: the shape of the formed flexible forming bed die of solid particle (9) is identical with the upper surface shape of cushion block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010213804 CN101837410A (en) | 2010-06-30 | 2010-06-30 | Multipoint forming die based on solid particle medium back pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010213804 CN101837410A (en) | 2010-06-30 | 2010-06-30 | Multipoint forming die based on solid particle medium back pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101837410A true CN101837410A (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201010213804 Pending CN101837410A (en) | 2010-06-30 | 2010-06-30 | Multipoint forming die based on solid particle medium back pressure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069127A (en) * | 2010-12-21 | 2011-05-25 | 常州华森医疗器械有限公司 | Universal forming die with upper and lower adjustable curved surfaces |
| CN102555115A (en) * | 2010-11-30 | 2012-07-11 | 歌美飒创新技术公司 | Device for regulating deformations of the bed of a geometrically aerodynamic mold and molding method with this device |
| CN104174761A (en) * | 2014-07-11 | 2014-12-03 | 山东科技大学 | Flexible forming device and technique for complex panel utilizing grain medium ultrasonic vibration |
| CN104679243A (en) * | 2015-02-09 | 2015-06-03 | 马涛 | Three-dimensional entity display platform |
| CN109175051A (en) * | 2018-08-21 | 2019-01-11 | 吉林大学 | A kind of no mould multiple spot spinning three-dimensional curve generation method |
| CN109808104A (en) * | 2019-04-04 | 2019-05-28 | 吉林大学 | A kind of anti-backlash mechanism for multi-point die SMC composite material work piece |
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| JP2002137020A (en) * | 2000-10-26 | 2002-05-14 | Fuji Industrial Co Ltd | Press-forming method and mold, movable flask member used for mold |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555115A (en) * | 2010-11-30 | 2012-07-11 | 歌美飒创新技术公司 | Device for regulating deformations of the bed of a geometrically aerodynamic mold and molding method with this device |
| CN102555115B (en) * | 2010-11-30 | 2015-11-25 | 歌美飒创新技术公司 | For regulating the device of the bottom deformation of the mould of aerodynamics geometry and using the method for moulding of this device |
| CN102069127A (en) * | 2010-12-21 | 2011-05-25 | 常州华森医疗器械有限公司 | Universal forming die with upper and lower adjustable curved surfaces |
| CN104174761A (en) * | 2014-07-11 | 2014-12-03 | 山东科技大学 | Flexible forming device and technique for complex panel utilizing grain medium ultrasonic vibration |
| CN104174761B (en) * | 2014-07-11 | 2016-03-09 | 山东科技大学 | Utilize the complicated sheet material flexible forming instrument and supplies of granule medium ultrasonic vibration |
| CN104679243A (en) * | 2015-02-09 | 2015-06-03 | 马涛 | Three-dimensional entity display platform |
| CN109175051A (en) * | 2018-08-21 | 2019-01-11 | 吉林大学 | A kind of no mould multiple spot spinning three-dimensional curve generation method |
| CN109808104A (en) * | 2019-04-04 | 2019-05-28 | 吉林大学 | A kind of anti-backlash mechanism for multi-point die SMC composite material work piece |
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Application publication date: 20100922 |