CN109719199B - Repair-free crease-resistant die capable of being reused - Google Patents

Repair-free crease-resistant die capable of being reused Download PDF

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Publication number
CN109719199B
CN109719199B CN201910050712.7A CN201910050712A CN109719199B CN 109719199 B CN109719199 B CN 109719199B CN 201910050712 A CN201910050712 A CN 201910050712A CN 109719199 B CN109719199 B CN 109719199B
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China
Prior art keywords
crease
die
resistant
resist
mounting groove
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CN201910050712.7A
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CN109719199A (en
Inventor
杜学知
林姚辰
黄锐
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Chengdu Aircraft Industrial Group Co Ltd
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Chengdu Aircraft Industrial Group Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/80Packaging reuse or recycling, e.g. of multilayer packaging

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  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention discloses a reusable repair-free crease-resist die, which comprises a crease-resist die holder and a crease-resist die mounting seat, wherein a crease-resist die is arranged on the crease-resist die holder, a crease-resist die mounting groove is arranged on the crease-resist die holder, a front baffle and a rear baffle are respectively arranged at two ends of the crease-resist die mounting groove, the crease-resist die mounting seat is positioned in the crease-resist die mounting groove, the crease-resist die is a plurality of pieces, and the crease-resist dies of a plurality of pieces are mutually connected to form a crease-resist die assembly; the crease-resistant die assembly is arranged in the crease-resistant die mounting groove and is fixed on the crease-resistant die mounting seat, the adjusting bolt is screwed in from the rear baffle of the crease-resistant die holder and is connected with the crease-resistant die mounting seat, and the adjusting bolt is rotated to adjust the crease-resistant die assembly.

Description

Repair-free crease-resistant die capable of being reused
Technical Field
The invention relates to the field of pipe bending forming, in particular to a reusable repair-free crease-resistant die.
Background
With the development of society and the progress of technology, more and more catheters are used for equipment such as ships, nuclear reactors, rockets, aeroengines and the like, and the requirements on the shape and the performance of the catheters are more severe. The bending radius is smaller and smaller, the wall thickness of the pipeline is thinner and thinner, and the crease-resist die is an effective means for realizing crease resistance of a bending part of the pipe fitting, but the front end part of the crease-resist die is thinner and is easy to wear, so that the die is often required to be repaired by machining after a period of use. However, due to the characteristics of complex shape and thin wall of the crease-resistant die, a common worker cannot accurately repair the crease-resistant die, and factory return repair and field test are often required. The method has high die repairing cost and is easy to cause unstable production and processing quality.
In addition, chinese patent number is CN201210113214.0, which discloses a bending die with crease-resistant function, comprising a bending round die, a round die inlaid clamping block, a clamping die, a guide die and a crease-resistant die which are all provided with concave arc grooves; the concave arc groove of the bending round die is arranged on the arc surface of the round die, the size of the arc groove is consistent with the outer diameter size of the bending pipe fitting, the concave arc groove of the clamping block embedded in the round die is in smooth transition with the concave arc groove at the splicing position of the bending round die, and the concave arc groove of the clamping die is opposite to the concave arc groove of the clamping block embedded in the round die, so that a cylindrical cavity is formed; the plane of the guide die provided with the concave arc groove and the plane of the clamp die provided with the concave arc groove are in the same plane, and the axis of the concave arc groove of the guide die and the axis of the concave arc groove of the clamp die are on the same axis; the concave arc groove of the crease-resist die is opposite to the concave arc groove of the guide die to form a cylindrical cavity, and the front crease-resist forming part of the crease-resist die is inserted into the concave arc groove of the bending round die. Said invention can make blank quickly formed on the bending die in one step, but also has the defects of that the front end portion of the crease-resist die is easy to wear, and after a period of use, it must be machined to repair the die.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a repair-free crease-resistant die which is simple in adjustment process and reusable.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a repeatedly usable exempts from to repair crease-resist die, includes crease-resist die holder and crease-resist die mount pad, is equipped with crease-resist die on the crease-resist die mount pad, its characterized in that: the anti-wrinkling die seat is provided with a plurality of anti-wrinkling die plates which are connected with each other to form an anti-wrinkling die plate assembly; the crease-resistant die assembly is arranged in the crease-resistant die mounting groove and fixed on the crease-resistant die mounting seat, the adjusting bolt is screwed in from the back baffle of the crease-resistant die holder and connected with the crease-resistant die mounting seat, and the adjusting bolt is rotated to adjust the crease-resistant die assembly.
One end of each crease-resistant die is provided with a T-shaped key with a counter bore, the other end of each crease-resistant die is provided with a threaded hole, and two adjacent crease-resistant dies are connected with the threaded holes of the other crease-resistant die to form a crease-resistant die assembly.
The crease-resistant matrix is composed of four curved surfaces and two planes, wherein the curved surfaces of the front end of the outer side and the rear end of the inner side are arc scanning surfaces, the scanning radiuses of the two curved surfaces are equal, and the curved surfaces of the rear end of the outer side and the front end of the inner side are cylindrical surfaces.
The front baffle at the front end of the crease-resistant die mounting groove is used for positioning the crease-resistant die assembly, the rear baffle at the rear end of the crease-resistant die mounting groove is detachable, and the rear baffle is fixed at the notch at the rear end of the crease-resistant die mounting groove through a screw.
The crease-resistant die mounting groove is T-shaped, and the crease-resistant die assembly moves or locks along the T-shaped crease-resistant die mounting groove under the pushing of the adjusting bolt.
The invention has the following advantages: 1. the invention comprises an adjusting bolt, wherein a crease-resistant die holder is provided with a crease-resistant die mounting groove, two ends of the crease-resistant die mounting groove are respectively provided with a front baffle plate and a rear baffle plate, a crease-resistant die mounting seat is positioned in the crease-resistant die mounting groove, the number of crease-resistant dies is several, and the crease-resistant dies of the several dies are mutually connected to form a crease-resistant die assembly; the crease-resistant die assembly is arranged in the crease-resistant die mounting groove and fixed on the crease-resistant die mounting seat, the adjusting bolt is screwed in from the back baffle of the crease-resistant die holder and connected with the crease-resistant die mounting seat, and the adjusting bolt is rotated to adjust the crease-resistant die assembly. In the use process, if the crease-resist die is seriously worn (usually the front crease-resist die, the front crease-resist die is usually removed, and then the adjusting bolt is screwed down to enable the crease-resist die set to move forward by one die distance, so that the crease-resist die set can be used continuously. The device can be repeatedly used for many times under the condition of no repair, has simple adjustment process and high speed, and can overcome the defects of high repair cost, long time consumption, unstable repair precision and the like of the traditional crease-resist die. In addition, the device has the advantages of simple structure, convenient adjustment, strong adaptability, low manufacturing cost and the like, and has high social significance and popularization value.
2. A counter bore T-shaped key is arranged at one end of the crease-resistant die, a threaded hole is arranged at the other end of the crease-resistant die, and two adjacent crease-resistant dies are arranged at the other end of the crease-resistant die, wherein the T-shaped key of one crease-resistant die is connected with the threaded hole of the other crease-resistant die to form a crease-resistant die assembly. The crease-resistant die set is connected with the crease-resistant die mounting seat through a fastening screw after being connected, so that a crease-resistant die whole with T-shaped keys is formed; the adjustment bolts make it easier to adjust the crease-resistant die assembly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention; figure 2 is a schematic representation of a crease-resistant die assembly of the present invention.
The marks in the figure: 1. the anti-wrinkling die holder comprises an anti-wrinkling die holder body, an anti-wrinkling die mounting seat, an anti-wrinkling die, a T-shaped key, an adjusting bolt, a fastening screw and an anti-wrinkling die mounting groove.
Description of the embodiments
The invention is further described with reference to the accompanying drawings: embodiment 1 as shown in fig. 1 and 2, a reusable repair-free crease-resist die comprises a crease-resist die holder 1 and a crease-resist die mounting seat 2, wherein a crease-resist die 3 is arranged on the crease-resist die holder 2, a crease-resist die mounting groove 7 is arranged on the crease-resist die holder 1, a front baffle and a rear baffle are respectively arranged at two ends of the crease-resist die mounting groove 7, the crease-resist die mounting seat 2 is positioned in the crease-resist die mounting groove 7, the crease-resist die 3 comprises a plurality of pieces (5 pieces are adopted in the invention), and the crease-resist dies 3 of the plurality of pieces are mutually connected to form a crease-resist die assembly; the crease-resistant die assembly is arranged in the crease-resistant die mounting groove, the crease-resistant die assembly is positioned between the front baffle plate and the rear baffle plate, the crease-resistant die assembly is fixed on the crease-resistant die mounting seat 2 through the fastening screw 6, the adjusting screw 5 is screwed in from the rear baffle plate of the crease-resistant die holder 1 and is connected with the crease-resistant die mounting seat 2, the adjusting screw 5 is rotated, the adjusting screw 5 pushes the crease-resistant die mounting seat 2, and the crease-resistant die mounting seat 2 adjusts the tightness degree in the crease-resistant die holder 1 of the crease-resistant die assembly. During assembly, the back baffle of the crease-resistant die holder is firstly opened, then the crease-resistant die assembly and the mounting seat thereof are inserted and squeezed from the rear end of the crease-resistant die holder along the crease-resistant die mounting groove 7, the back baffle of the crease-resistant die holder is connected, and then the adjusting bolts 5 are screwed into the back baffle plate to adjust the tightness degree of the crease-resistant die assembly in the crease-resistant die holder. In the use process, if the crease-resist die is seriously worn (usually the front crease-resist die, the front crease-resist die is usually removed, and then the adjusting bolt is screwed down to enable the crease-resist die set to move forward by one die distance, so that the crease-resist die set can be used continuously. The anti-wrinkle die is not required to be disassembled for maintenance, repeated use can be realized under the condition of no maintenance, the adjustment process is simple, the speed is high, and the defects of high cost, long time consumption, unstable repair precision and the like of the traditional anti-wrinkle die can be overcome.
Further, one end of the crease-resistant die is provided with a T-shaped key with a counter bore, the other end of the crease-resistant die is provided with a threaded hole, and two adjacent crease-resistant dies are arranged, wherein the T-shaped key of one crease-resistant die is connected with the threaded hole of the other crease-resistant die to form a crease-resistant die assembly. Namely: one end of each crease-resistant die sheet 3 is provided with a T-shaped key with a counter bore, and one end of the T-shaped key extends out of the die sheet structure; the other end of the crease-resistant die is provided with a threaded hole, a bolt is penetrated into a flat key hole of the previous film and is connected with the threaded hole at the front end of the next crease-resistant die, so that the alignment and fastening of the crease-resistant die are realized, a crease-resistant die assembly is formed, and after the crease-resistant die assembly is connected, the crease-resistant die assembly is connected with a crease-resistant die mounting seat through a fastening screw 6, and a whole with T-shaped keys is formed.
Further, the crease-resistant die 3 is composed of four curved surfaces and two planes, wherein the curved surfaces of the front end of the outer side and the rear end of the inner side are arc scanning surfaces, the scanning radii of the two curved surfaces are equal, and the curved surfaces of the rear end of the outer side and the front end of the inner side are cylindrical surfaces.
The front baffle at the front end of the crease-resistant die mounting groove 7 is used for positioning the crease-resistant die assembly, the rear baffle at the rear end of the crease-resistant die mounting groove is detachable, and the rear baffle is fixed at the notch at the rear end of the crease-resistant die mounting groove through bolts. The crease-resist die-mounting groove 7 is T-shaped, and the crease-resist die assembly is moved or locked along the T-shaped crease-resist die-mounting groove under the pushing of the adjusting bolt 5.

Claims (3)

1. The utility model provides a repeatedly usable exempts from to repair crease-resist die, includes crease-resist die holder (1) and crease-resist die mount pad (2), is equipped with crease-resist die (3), its characterized in that on crease-resist die mount pad (2): the anti-wrinkling device comprises a die seat, and is characterized by further comprising an adjusting bolt (5), wherein an anti-wrinkling die mounting groove (7) is formed in the anti-wrinkling die seat (1), a front baffle and a rear baffle are respectively arranged at two ends of the anti-wrinkling die mounting groove (7), an anti-wrinkling die mounting seat (2) is positioned in the anti-wrinkling die mounting groove (7), a plurality of anti-wrinkling dies (3) are arranged, and the anti-wrinkling dies (3) are connected with each other to form an anti-wrinkling die assembly; the crease-resistant die assembly is arranged in the crease-resistant die mounting groove (7) and fixed on the crease-resistant die mounting seat (2), the adjusting bolt (5) is screwed in from the back baffle of the crease-resistant die holder (1) and is connected with the crease-resistant die mounting seat (2), and the adjusting bolt (5) is rotated to adjust the crease-resistant die assembly;
one end of each crease-resistant die (3) is provided with a T-shaped key (4) with a counter bore, the other end of each crease-resistant die is provided with a threaded hole, two adjacent crease-resistant dies (3), and the T-shaped key (4) of one crease-resistant die (3) is connected with the threaded hole of the other crease-resistant die (3) to form a crease-resistant die assembly;
the crease-resistant die mounting groove (7) is T-shaped, and the crease-resistant die assembly moves or locks along the T-shaped crease-resistant die mounting groove (7) under the pushing of the adjusting bolt (5).
2. A reusable repair-free crease-resist die according to claim 1, wherein: the crease-resistant matrix (3) is composed of four curved surfaces and two planes, wherein the curved surfaces of the front end of the outer side and the rear end of the inner side are arc scanning surfaces, the scanning radiuses of the two curved surfaces are equal, and the curved surfaces of the rear end of the outer side and the front end of the inner side are cylindrical surfaces.
3. A reusable repair-free crease-resist die according to claim 1, wherein: the front baffle at the front end of the crease-resistant die mounting groove (7) is used for positioning the crease-resistant die assembly, the rear baffle at the rear end of the crease-resistant die mounting groove (7) is detachable, and the rear baffle is fixed at the notch at the rear end of the crease-resistant die mounting groove (7) through a screw.
CN201910050712.7A 2019-01-20 2019-01-20 Repair-free crease-resistant die capable of being reused Active CN109719199B (en)

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Application Number Priority Date Filing Date Title
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CN109719199B true CN109719199B (en) 2023-11-10

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US4380920A (en) * 1980-10-14 1983-04-26 Coop Jeffrey W Sr Adjustable wiper die for bending tubular members
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CN202411170U (en) * 2011-12-27 2012-09-05 厦门市西文机械工贸有限公司 Vertical pipe bending machine
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CN207308746U (en) * 2017-10-16 2018-05-04 房县诚信汽配有限责任公司 A kind of replaceable anti-wrinkling mould for being used to produce metal tubing
JP2018202455A (en) * 2017-06-05 2018-12-27 東亜工業株式会社 Method for bending pipe material and device for bending pipe material
CN210387188U (en) * 2019-01-20 2020-04-24 成都飞机工业(集团)有限责任公司 Repeatedly usable's non-maintaining crease-resistance mould

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Publication number Priority date Publication date Assignee Title
US4325244A (en) * 1980-09-02 1982-04-20 Stowe Robert L Self-repairing wiper die
US4380920A (en) * 1980-10-14 1983-04-26 Coop Jeffrey W Sr Adjustable wiper die for bending tubular members
JP4376961B1 (en) * 2009-01-23 2009-12-02 株式会社 ユーアイテクニカ Pipe vendor wipers
CN201439100U (en) * 2009-08-19 2010-04-21 长春佛吉亚排气系统有限公司 Split-type anti-crease plate specially used for pipe bender
JP2012055952A (en) * 2010-09-10 2012-03-22 Ui Technica:Kk Wiper for pipe bender
CN202411170U (en) * 2011-12-27 2012-09-05 厦门市西文机械工贸有限公司 Vertical pipe bending machine
CN202725844U (en) * 2012-09-18 2013-02-13 房县诚信汽配有限责任公司 Replaceable anti-wrinkle die for production of metal pipe part
WO2015190465A1 (en) * 2014-06-10 2015-12-17 株式会社 三五 Pipe-bending mold unit and pipe-bending machining device comprising said unit
JP2018202455A (en) * 2017-06-05 2018-12-27 東亜工業株式会社 Method for bending pipe material and device for bending pipe material
CN207308746U (en) * 2017-10-16 2018-05-04 房县诚信汽配有限责任公司 A kind of replaceable anti-wrinkling mould for being used to produce metal tubing
CN210387188U (en) * 2019-01-20 2020-04-24 成都飞机工业(集团)有限责任公司 Repeatedly usable's non-maintaining crease-resistance mould

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