CN201969801U - Flexible edge rolling device for sheet forming - Google Patents

Flexible edge rolling device for sheet forming Download PDF

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Publication number
CN201969801U
CN201969801U CN2011200576183U CN201120057618U CN201969801U CN 201969801 U CN201969801 U CN 201969801U CN 2011200576183 U CN2011200576183 U CN 2011200576183U CN 201120057618 U CN201120057618 U CN 201120057618U CN 201969801 U CN201969801 U CN 201969801U
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China
Prior art keywords
sheet forming
feeding clip
pulling device
flexible edge
edge
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Expired - Fee Related
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CN2011200576183U
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Chinese (zh)
Inventor
李明哲
韩奇钢
冯朋晓
刘纯国
隋振
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Jilin University
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Jilin University
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Priority to CN2011200576183U priority Critical patent/CN201969801U/en
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Publication of CN201969801U publication Critical patent/CN201969801U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a flexible edge rolling device for sheet forming, relates to plastic processing equipment for forming of a curved surface of a shell piece and belongs to the field of mechanical engineering. The device mainly consists of a plurality of clamping mechanisms (1), a plurality of rolling mechanisms (2) and a supporting frame (3). The periphery of a processed sheet (4) is clamped by a plurality of clamping mechanisms (1). Edge rolling forces are applied to the sheet (4) by a plurality of rolling mechanisms (2) in different directions. The device can be cooperatively used with various stamping dies with different sizes and different shapes, so that the design and manufacturing costs of a sheet forming die are saved and the defects of wrinkling, cracking and the like when the sheet is formed are inhibited.

Description

The flexible edge-pulling device of sheet forming
Technical field
The utility model discloses the flexible edge-pulling device of a kind of sheet forming, relate to a kind of plastic working equipment that is used for the plate accessory curve generating, belong to mechanical engineering field.
Background technology
Sheet forming is one of manufacturing technology important in the modern industry.Along with the shape of punching parts becomes increasingly complex, in plate curve generating process,, eliminate defectives such as part is wrinkling, drawing crack in order to improve the part forming performance, flange fixing installation is set at the plate curve generating in mould usually.The design of flange fixing installation and the control of pressure-pad-force are the important content of sheet forming with the mould design.Regrettably, flange fixing installation is in plate curve generating process, and is moving based on confinement plate materials flow passively, blank holder in the device and the pressure-pad-force skewness between the plate; Cause the mobile inhomogeneous of metal, be easy to generate wrinkling, the undue attenuate of wall thickness and defective such as break, influence the performance and the quality of sheet forming.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above that prior art exists, and provides a kind of sheet forming flexible edge-pulling device, and this device can substitute flange fixing installation, is used with multiple different size, difform diel; And, adjust the size of La Bianli easily, thereby save sheet forming Mould design and manufacturing cost, shorten the R﹠D cycle, defectives such as wrinkling, the drawing crack that occurs when suppressing sheet forming.
Above-mentioned purpose of the present utility model is achieved in that accompanying drawings is as follows:
The flexible edge-pulling device of a kind of sheet forming, mainly form by a plurality of feeding clip mechanisms 1, a plurality of material mechanism 2 and bracing frame 3 of drawing, around the processed plate 4 of a plurality of feeding clip mechanism 1 clampings, apply La Bianli by a plurality of material mechanisms 2 of drawing at plate 4 different directions, the described hydraulic cylinder that draws material mechanism 2 to be arranged by horizontal direction is formed, the pistons end of each hydraulic cylinder connects with feeding clip mechanism 1, cylinder ends and bracing frame 3 are hinged, one is drawn material mechanism 2 to connect one or more feeding clip mechanisms 1, or draws material mechanism 2 to connect one or more feeding clip mechanisms 1 by two.
Connect by omnidirectional mechanism between the mechanism 2 with drawing material at described feeding clip mechanism 1 with spherical head.
The adjustable size of drawing the limit face that described feeding clip mechanism 1 surrounds is used with the mould of different size.
In the described feeding clip mechanism 1 the material folding piece be shaped as rectangle or other irregular shape surface, when difform material folding piece was used in combination, the limit face that draws that it surrounds was shaped as arbitrary shape.
Forming the described all hydraulic cylinder of material mechanism 2 that draws can be driven by a hydraulic valve, or drives a row or one or arbitrarily individual hydraulic cylinder respectively by a plurality of hydraulic valves.
The mould that is used with it is a unitary mould 8, or is the adjustable digitlization mould 9 of multiple spot.
Described sheet forming is installed blank holder 10 or edge-pressing strip 11 with flexible edge-pulling device, blank holder 10 or edge-pressing strip 11 be shaped as arbitrary shape.
Technique effect: the flexible edge-pulling device of sheet forming of the present utility model, by flexible stretch forming is combined with the mould drawing, draw the limit technology to substitute flanging in traditional punching press with flexibility, can be used with multiple different size, difform diel; And, adjust the size of La Bianli easily, thereby save sheet forming Mould design and manufacturing cost, shorten the R﹠D cycle of sheet forming.By the setting of omnidirectional mechanism, realize that feeding clip mechanism rotates freely and swings around the spherical head of omnidirectional mechanism, make a plurality of feeding clip mechanisms of a row form straight line or camber line arrangement, realize the Flexible Control of sheet forming with a plurality of clamps of flexible edge-pulling device; La Bianli is evenly distributed, defectives such as wrinkling, the drawing crack that occurs when suppressing sheet forming.
Description of drawings
Fig. 1 is one and draws material mechanism to connect the schematic diagram of the sheet forming of a feeding clip mechanism with flexible edge-pulling device.
Fig. 2 is one and draws material mechanism to connect the schematic diagram of the sheet forming of three feeding clip mechanisms with flexible edge-pulling device.
Fig. 3 is the schematic diagram when connecting feeding clip mechanism and drawing material mechanism by omnidirectional mechanism.
Schematic diagram when Fig. 4 is a sheet forming with the plate of flexible edge-pulling device clamping different size, wherein
Schematic diagram when Fig. 4 (a) is clamping large scale plate;
Schematic diagram when Fig. 4 (b) is clamping small size plate;
Fig. 5 is the clamp schematic diagram that arc shaped is arranged, wherein
Fig. 5 (a) is the clamp schematic diagram that arc shaped is arranged;
Fig. 5 (b) is the clamp schematic diagram that another kind of arc shaped is arranged.
Fig. 6 is the schematic diagram when being used with unitary mould.
Fig. 7 is the schematic diagram when being used with the adjustable digitlization mould of multiple spot.
Fig. 8 puts position view before the plate clamping when adopting blank holder.
Fig. 9 puts position view before the plate clamping when adopting edge-pressing strip, wherein
Fig. 9 (a) puts position view before the plate clamping when adopting the vertical compression edge strip;
Fig. 9 (b) puts position view before the plate clamping when adopting another kind of shape edge-pressing strip.
Wherein: 1. feeding clip mechanism, 2. draw material mechanism, 3. bracing frame, 4. plate, 5. Bowden cable, 6. the bulb coupling bar 7. draws material mechanism hydraulic cylinder piston rod, 8. unitary mould, the 9. adjustable digitlization mould of multiple spot, 10. blank holder, 11. edge-pressing strips.
The specific embodiment
Defectives such as, drawing crack wrinkling for the plate that suppresses to cause in the plate curve generating process, the utility model is achieved through the following technical solutions: the flexible edge-pulling device of sheet forming of the present utility model, mainly form by a plurality of feeding clip mechanisms 1, a plurality of material mechanism 2 and bracing frame 3 of drawing; Around the processed plate 4 of a plurality of feeding clip mechanism 1 clampings, apply La Bianli at plate 4 different directions by a plurality of material mechanisms 2 of drawing.The adjustable size of La Bianli, its value is by the size and the shape decision of formation of parts.The hydraulic cylinder that draws material mechanism 2 to be arranged by horizontal direction is formed, and the pistons end of each hydraulic cylinder connects with feeding clip mechanism 1, and cylinder ends and bracing frame 3 are hinged; One is drawn material mechanism 2 can connect one or more feeding clip mechanisms 1, also can draw material mechanism 2 to connect one or more feeding clip mechanisms 1 by two.Feeding clip mechanism 1 and draw material the omnidirectional mechanism with spherical head can be set between the mechanism 2; Feeding clip mechanism 1 can rotate freely around the spherical head of omnidirectional mechanism and swing, and makes a plurality of feeding clip mechanisms 1 of a row form straight line or camber line arrangement, realizes the Flexible Control of sheet forming with a plurality of clamps of flexible edge-pulling device.The adjustable size of drawing the limit face that feeding clip mechanism 1 surrounds can be used with the mould of different size, thereby saves sheet forming Mould design and manufacturing cost, shortens the R﹠D cycle of sheet forming.The shape of the material folding piece of feeding clip mechanism 1 can be rectangle or other irregular shape surface; When difform material folding piece was used in combination, the limit face shape of drawing that it surrounds can have any shape.The material folding piece of non-regular shape can the non-regular geometric shapes of clamping sheet forming spare.For simplified control system, forming all hydraulic cylinder that draws material mechanism 2 can be driven by a hydraulic valve, also can drive a row or one or any hydraulic cylinder respectively by a plurality of hydraulic valves, so that regulate La Bianli.Sheet forming can be unitary mould 8 with the mould that flexible edge-pulling device is used, and also can be the adjustable digitlization mould 9 of multiple spot.The use of the adjustable digitlization mould 9 of multiple spot can realize mold processing different size, difform sheet forming spare, significantly shortens the production preparatory period, saves a large amount of die costs; Realize sheet material mold-free, fast, digitlization and flexibility be shaped.Sheet forming can be installed blank holder 10 or edge-pressing strip 11 with flexible edge-pulling device, and the shape of blank holder 10 or edge-pressing strip 11 can have any shape.The employing of blank holder 10 or edge-pressing strip 11 makes sheet forming have flanging function in traditional punching press with flexible edge-pulling device.
Fig. 1 is one and draws material mechanism to connect the schematic diagram of the sheet forming of a feeding clip mechanism with flexible edge-pulling device.The hydraulic cylinder that draws material mechanism 2 to be arranged by horizontal direction is formed, and the pistons end of each hydraulic cylinder connects with feeding clip mechanism 1, and cylinder ends and bracing frame 3 are hinged; Have all around 24 processed plates 4 of feeding clip mechanism 1 clamping around, by 24 draw the material mechanism 2 apply La Bianli at plate 4 four directions.Certainly, draw the material mechanism 2 and the quantity of feeding clip mechanism 1 not to be subjected to the restriction of this embodiment.The adjustable size of La Bianli, its value is by the size and the shape decision of formation of parts.The hydraulic cylinder travel of both direction is bigger, operates when helping charging with discharging.Fig. 2 is one and draws material mechanism to connect the schematic diagram of the sheet forming of three feeding clip mechanisms with flexible edge-pulling device.Bowden cable 5 or steel wire rope are installed between three feeding clip mechanisms 1, and the installation of Bowden cable 5 or steel wire rope can make feeding clip mechanism 1 keep basic synchronization to move.One is drawn three feeding clip mechanisms 1 of material mechanism 2 drives that the plate 4 of its clamping is applied La Bianli, can save the quantity of hydraulic cylinder, and the simplification device structure reduces the device manufacturing cost.
Fig. 3 is the schematic diagram when connecting feeding clip mechanism and drawing material mechanism by the omnidirectional mechanism with spherical head.Feeding clip mechanism 1 can rotate freely around the spherical head of omnidirectional mechanism and swing, and makes a plurality of feeding clip mechanisms 1 of a row form straight line or camber line arrangement, realizes the Flexible Control of sheet forming with a plurality of clamps of flexible edge-pulling device.
Schematic diagram when Fig. 4 is a sheet forming with the plate of flexible edge-pulling device clamping different size, wherein Fig. 4 (a) is the schematic diagram of clamping large scale plate; Fig. 4 (b) is the schematic diagram of clamping small size plate.The size of drawing the limit face that feeding clip mechanism 1 surrounds is adjustable, can implement device and the mould of different size be used, thereby substitute the flange fixing installation of traditional punching course, save sheet forming Mould design and manufacturing cost, shorten the R﹠D cycle.
Fig. 5 is the clamp clamping plate schematic diagram that arc shaped is arranged.During sheet forming, dull and stereotyped can the distortion gradually is tending towards the shape of mould, finally pastes mould.In this process, because connecting by omnidirectional mechanism, a plurality of feeding clip mechanisms 1 draw material mechanism 2, each feeding clip mechanism 1 can be swung and rotate in any direction, and the zone that feeding clip mechanism 1 clamps plate 4 has the trend that adapts to the variation of mould shape face, thereby improves pull-shaped quality.
Fig. 6 is a schematic diagram when being used with unitary mould.Fig. 7 is a schematic diagram when being used with the adjustable digitlization mould of multiple spot.Unitary mould 8 is applicable to batch process, helps guaranteeing the forming accuracy of curved-surface piece and the repeatability of product processing.The adjustable digitlization mould 9 of multiple spot is suitable for single-piece or small lot batch manufacture, can realize mold processing different size, difform drip molding, significantly shortens the production preparatory period, saves a large amount of die costs; Realize sheet material mold-free, fast, digitlization and flexibility be shaped.
Fig. 8 is a plate clamping the former two putting position schematic diagram when adopting blank holder.The employing of blank holder 10 makes sheet forming have flanging function in traditional punching press with flexible edge-pulling device.Fig. 9 puts position view before the plate clamping when adopting edge-pressing strip.The edge-pressing strip of Fig. 9 (a) is simple in structure, makes easily; The edge-pressing strip of Fig. 9 (b) can be constrained each other, guarantees that blank holder 10 does not move in sheet forming process.Certainly, edge-pressing strip 11 shapes can be arbitrary shapes; The installation of edge-pressing strip 11 can substitute the use of blank holder 10, and flexibility is assembled into the blank holder 10 of arbitrary shape.

Claims (7)

1. flexible edge-pulling device of sheet forming, it is characterized in that, mainly by a plurality of feeding clip mechanisms (1), a plurality of material mechanism (2) and bracing frames (3) of drawing are formed, around the processed plate of a plurality of feeding clip mechanisms (1) clamping (4), apply La Bianli by a plurality of material mechanisms (2) of drawing at plate (4) different directions, the described hydraulic cylinder that draws material mechanism (2) to be arranged by horizontal direction is formed, the pistons end of each hydraulic cylinder connects with feeding clip mechanism (1), cylinder ends and bracing frame (3) are hinged, one is drawn material mechanism (2) to connect one or more feeding clip mechanisms (1), or draws material mechanism (2) to connect one or more feeding clip mechanisms (1) by two.
2. the flexible edge-pulling device of sheet forming according to claim 1 is characterized in that, described feeding clip mechanism (1) connects by the omnidirectional mechanism with spherical head with drawing between material mechanism (2).
3. the flexible edge-pulling device of sheet forming according to claim 1 and 2 is characterized in that, the adjustable size of drawing the limit face that described feeding clip mechanism (1) surrounds, and be used with the mould of different size.
4. the flexible edge-pulling device of sheet forming according to claim 3 is characterized in that, the material folding piece is shaped as rectangle or other irregular shape surface in the described feeding clip mechanism (1); When difform material folding piece was used in combination, the limit face that draws that it surrounds was shaped as arbitrary shape.
5. the flexible edge-pulling device of sheet forming according to claim 3 is characterized in that, forms and draws all hydraulic cylinder of material mechanism (2) to be driven by a hydraulic valve, or drive a row or one or arbitrarily individual hydraulic cylinder respectively by a plurality of hydraulic valves.
6. the flexible edge-pulling device of sheet forming according to claim 3 is characterized in that described mould is unitary mould (8), or is the adjustable digitlization mould of multiple spot (9).
7. the flexible edge-pulling device of sheet forming according to claim 1 is characterized in that, described sheet forming is installed blank holder (10) or edge-pressing strip (11) with flexible edge-pulling device, blank holder (10) or edge-pressing strip (11) be shaped as arbitrary shape.
CN2011200576183U 2010-11-26 2011-03-08 Flexible edge rolling device for sheet forming Expired - Fee Related CN201969801U (en)

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Application Number Priority Date Filing Date Title
CN2011200576183U CN201969801U (en) 2010-11-26 2011-03-08 Flexible edge rolling device for sheet forming

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Application Number Priority Date Filing Date Title
CN201010560729 2010-11-26
CN201010560729.6 2010-11-26
CN2011200576183U CN201969801U (en) 2010-11-26 2011-03-08 Flexible edge rolling device for sheet forming

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179453A (en) * 2010-11-26 2011-09-14 吉林大学 Flexible side drawing device for forming panel veneer
CN114211773A (en) * 2021-11-23 2022-03-22 江苏东方神鹰空天新材料科技有限公司 Carbon fiber composite material layer manufacturing tool and method

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CN103071715B (en) * 2013-01-31 2015-07-22 吉林大学 Flexible expansion shaping device for curved parts
CN103817195B (en) * 2014-02-27 2015-07-01 吉林大学 Thin plate tensioning curved surface forming device
CN106914535B (en) * 2017-02-10 2018-09-18 武汉康酷利科技有限公司 Curved surface multi-point forming processing unit (plant) and its implementation
CN107114817A (en) * 2017-05-16 2017-09-01 上海绿晟实业有限公司 A kind of control method and food ball-making device based on food ball-making device
CN107214222A (en) * 2017-06-15 2017-09-29 江苏瑞吉达建材科技有限公司 Many song contour machining equipments
CN107081366A (en) * 2017-06-15 2017-08-22 江苏瑞吉达建材科技有限公司 Many Qulas stretch control system
CN109967587B (en) * 2019-04-23 2020-10-16 湖北文理学院 Clamping device and stretch forming machine
CN112404279B (en) * 2020-10-29 2023-04-21 郑州日产汽车有限公司 Flexible die plate positioning device, combined positioning method and automatic positioning method

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JP2856107B2 (en) * 1995-05-22 1999-02-10 トヨタ自動車株式会社 Press working method and press working equipment
CN101396708B (en) * 2007-09-28 2010-05-19 武汉楚天数控设备制造有限公司 Sheet-material automatic positioning system
CN201644687U (en) * 2010-04-30 2010-11-24 浙江联通家具配件有限公司 Special device for formation of semi-finished furniture connecting rod
CN201969801U (en) * 2010-11-26 2011-09-14 吉林大学 Flexible edge rolling device for sheet forming

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179453A (en) * 2010-11-26 2011-09-14 吉林大学 Flexible side drawing device for forming panel veneer
CN114211773A (en) * 2021-11-23 2022-03-22 江苏东方神鹰空天新材料科技有限公司 Carbon fiber composite material layer manufacturing tool and method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110914

Termination date: 20200308

CF01 Termination of patent right due to non-payment of annual fee