CN104275403A - Pipe fitting bending tool - Google Patents

Pipe fitting bending tool Download PDF

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Publication number
CN104275403A
CN104275403A CN201410510950.9A CN201410510950A CN104275403A CN 104275403 A CN104275403 A CN 104275403A CN 201410510950 A CN201410510950 A CN 201410510950A CN 104275403 A CN104275403 A CN 104275403A
Authority
CN
China
Prior art keywords
movable matrix
benevolence
female die
movable female
pipe fitting
Prior art date
Application number
CN201410510950.9A
Other languages
Chinese (zh)
Inventor
蔡建刚
严小惠
陆琼晔
曹锋
夏美红
林欣平
Original Assignee
南通福乐达汽车配件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南通福乐达汽车配件有限公司 filed Critical 南通福乐达汽车配件有限公司
Priority to CN201410510950.9A priority Critical patent/CN104275403A/en
Publication of CN104275403A publication Critical patent/CN104275403A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides

Abstract

The invention relates to a pipe fitting bending tool which comprises an upper die plate, a lower die plate and guide column and guide sleeve structures. The guide column and guide sleeve structures are arranged between the upper die plate and the lower die plate, an upper pressure head is mounted in the center of the upper die plate, and an arc-shaped groove which extends along the direction of an arc of the arc-shaped lower end surface of the upper pressure head is formed in the arc-shaped lower end surface of the upper pressure head; a die holder is mounted on the lower die plate, a left movable female die core, a right movable female die core, a left movable female die and a right movable female die are arranged in the die holder, and the left movable female die and the right movable female die are respectively supported on the lower end surface of the left movable female die core and the lower end surface of the right movable female die core; arc-shaped grooves which extend along the direction of the long axis of the left movable female die core and the direction of the long axis of the right movable female die core are formed in the upper end surface of the left movable female die core and the upper end surface of the right movable female die core, and the lower end surface of the left movable female die core and the lower end surface of the right movable female die core are embedded in the upper end surface of the left movable female die and the upper end surface of the right movable female die and are in slide fit with the upper end surface of the left movable female die and the upper end surface of the right movable female die. The pipe fitting bending tool has the advantages that pipe fittings can be prevented from being damaged by the pipe fitting bending tool and can be smoothly bent, the bending precision can be improved, and the service lives of the dies can be prolonged.

Description

A kind of pipe fitting bending tool

Technical field

The present invention relates to a kind of pipe fitting bending tool, be that a kind of bending precision is high specifically, bending smoothly and do not damage the pipe fitting bending tool of pipe fitting and mould.

Background technology

In existing manufacturing industry, bending process all more complicated of various rod, tubing, when processing bend pipe, generally apply hydraulic pipe bender or spheronizator or punching press and complete processing.

The patent No. is the utility model patent of CN 202174175 U, a kind of diel of union elbow, comprise upper bolster, be positioned at the punch of upper bolster, die shoe, be positioned at the ejection block on die shoe and be positioned at ejection block both sides first and second rotate dies, described first and second rotate die with described die shoe for being flexibly connected, be located at movable matrix on described die pad, described die pad is provided with movable matrix, and described movable matrix is located between the first and second rotation dies.

In above-mentioned patent, the shortcoming of the diel of union elbow is: rotate die and adopt hinged form, during punching press; pipe fitting can be shifted with rotation die; pipe punching precision is low, and can rub when pipe fitting and the displacement of rotation die, thus fragile pipe fitting and mould.

Therefore, be badly in need of a kind of pipe fitting bending precision of research and development high, bending smoothly and do not damage the pipe fitting bending tool of pipe fitting and mould.

Summary of the invention

The technical problem to be solved in the present invention is to provide that a kind of bending precision is high, bending smoothly and do not damage the pipe fitting bending tool of pipe fitting and mould.

For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of pipe fitting bending tool comprises cope match-plate pattern, lower bolster, and the guide pillar guide sleeve structure be arranged between cope match-plate pattern and lower bolster, its innovative point is: a seaming chuck is installed at described cope match-plate pattern center, the lower surface of this seaming chuck is curved, and has the arc groove extended along lower surface arc direction;

Described lower bolster is provided with die holder, is provided with left and right movable matrix benevolence in die holder and is supported on the left and right movable matrix of left and right movable matrix benevolence lower surface respectively; The upper surface of described left and right movable matrix benevolence has the arc groove extended along its long axis direction, and its lower surface is chimeric with left and right movable matrix upper surface respectively and be slidably matched; The lower surface of described left and right movable matrix is supported on lower bolster by a supporting seat, and by driving air cylinder driven, it moves up and down this supporting seat, realizes the adjustment to supporting seat, makes supporting seat be supported on the lower surface of left and right movable matrix all the time.

Further, the lower surface of described left and right movable matrix benevolence has the groove extended along its long axis direction, has extend and the convex body corresponding with groove along its long axis direction in the upper surface of left and right movable matrix;

The upper surface of described left and right movable matrix has some along the arranged side by side and spaced bearing of its long axis direction, axially arranging along the short-axis direction of left and right movable matrix of this bearing, and there is protrusion outer ring on the convex surface of left and right movable matrix convex body, thus the lower surface realizing left and right movable matrix benevolence is slidably matched with left and right movable matrix upper surface respectively.

Further, described left and right movable matrix benevolence upper surface away from one end between be connected with back-moving spring.

Further, between described cope match-plate pattern and lower bolster, the inner side of guide pillar guide sleeve structure is respectively arranged with upper limit position block and lower position block, thus realizes the control to seaming chuck Bottom Runby.

The invention has the advantages that:

Pipe fitting bending tool of the present invention, is depressed by pressure head, makes the punching press end of left and right movable matrix benevolence and left and right movable matrix simultaneously respectively to having a down dip, thus makes pipe fitting bending; Middle left and right movable matrix benevolence of the present invention and left and right movable matrix adopt sliding matching mode, when avoiding punching press, pipe fitting is subjected to displacement and friction between die and die benevolence, bending is carried out smoothly, improve the bending precision of pipe fitting, reduce between mould and rub, improve the mold use life-span;

The present invention is by arranging bearing in the upper surface of left and right movable matrix, time left and right movable matrix benevolence chimeric with left and right movable matrix and be slidably matched, this sliding matching structure is simple, make left and right movable matrix benevolence along the smooth slide downward in upper surface of left and right movable matrix, form inclined plane, make pipe fitting bending;

The present invention's left and right movable matrix benevolence upper surface away from one end between be connected with back-moving spring, after bending completes, by this back-moving spring, make left and right movable matrix benevolence return to the state be parallel to each other, economize energy;

Between cope match-plate pattern of the present invention and lower bolster, the inner side of guide pillar guide sleeve structure is respectively arranged with upper limit position block and lower position block, during punching press, realizes the control to seaming chuck Bottom Runby by upper limit position block and lower position block, thus improves pipe fitting bending precision.

Accompanying drawing explanation

Fig. 1 is the front view of pipe fitting bending tool of the present invention.

Fig. 2 is the side view of pipe fitting bending tool of the present invention.

Detailed description of the invention

Embodiment 1

As depicted in figs. 1 and 2, the invention discloses a kind of pipe fitting bending tool and comprise cope match-plate pattern 1, lower bolster 2, and the guide pillar guide sleeve structure be arranged between cope match-plate pattern 1 and lower bolster 2, a seaming chuck 3 is installed at cope match-plate pattern 1 center, the lower surface of this seaming chuck 3 is curved, and has the arc groove 4 extended along lower surface arc direction;

Lower bolster 2 is provided with die holder 5, is provided with left movable matrix benevolence 6, right movable matrix benevolence 7 in die holder 5 and is supported on left movable matrix 8, the right movable matrix 9 of left movable matrix benevolence 6, right movable matrix benevolence 7 lower surface respectively; The upper surface of left movable matrix benevolence 6, right movable matrix benevolence 7 all has the arc groove 10 extended along its long axis direction, its lower surface respectively with left movable matrix 8, right movable matrix 9 upper surface is chimeric and be slidably matched; The outboard end of left movable matrix 8, right movable matrix 9 is hinged with die holder 5, the lower surface of left movable matrix 8, right movable matrix 9 is supported on lower bolster 2 by a supporting seat 11, this supporting seat 11 drives it to move up and down by driving cylinder 12, realize the adjustment to supporting seat 11, make supporting seat 11 be supported on the lower surface of left movable matrix 8, right movable matrix 9 all the time.

In the present embodiment,

In order to make left movable matrix benevolence 6, right movable matrix benevolence 7 respectively along the smooth slide downward in upper surface of left movable matrix 8, right movable matrix 9, form inclined plane, make pipe fitting 13 bending, when avoiding punching press, pipe fitting 13 is subjected to displacement, and bending is carried out smoothly, improves the bending precision of pipe fitting, reduce the frictional force between mould, improve the mold use life-span;

The lower surface of left movable matrix benevolence 6, right movable matrix benevolence 7 has the T-shaped groove extended along its long axis direction, has extend and the T-shaped convex body corresponding with groove along its long axis direction in the upper surface of left movable matrix 8, right movable matrix 9;

The upper surface of left movable matrix 8, right movable matrix 9 all has some along the arranged side by side and spaced bearing 14 of its long axis direction, axially arranging along the short-axis direction of left movable matrix 8, right movable matrix 9 of this bearing 14, and outer ring 15 has and protrudes on the convex surface of the T-shaped convex body of left movable matrix 8, right movable matrix 9, thus realize left movable matrix benevolence 6, the lower surface of right movable matrix benevolence 7 is slidably matched with left movable matrix 8, right movable matrix 9 upper surface respectively.

After bending completes, in order to make left movable matrix benevolence 6, right movable matrix benevolence 7 returns to the state be parallel to each other, economize energy; Movable matrix benevolence 6, right movable matrix benevolence 7 upper surface away from one end between be connected with back-moving spring 16.

During punching press, in order to control the control of seaming chuck 3 Bottom Runby, thus improving pipe fitting bending precision, between cope match-plate pattern 1 and lower bolster 2, the inner side of guide pillar guide sleeve structure is respectively arranged with upper limit position block 17 and lower position block 18, thus realizes the control to seaming chuck 3 Bottom Runby.

During use, pipe fitting is sent to the arc groove of left movable matrix benevolence, right movable matrix benevolence, the descending punching press of seaming chuck, one end by punching press of left movable matrix benevolence, right movable matrix benevolence, left movable matrix, right movable matrix moves downward simultaneously, make left movable matrix benevolence, right movable matrix benevolence form inclined plane, thus bending is carried out to pipe fitting; It is up that bending completes rear drive air cylinder driven supporting seat, makes left movable matrix, right movable matrix, left movable matrix benevolence and right movable matrix benevolence return to parallel position.

More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (4)

1. a pipe fitting bending tool, comprise cope match-plate pattern, lower bolster, and the guide pillar guide sleeve structure be arranged between cope match-plate pattern and lower bolster, it is characterized in that: a seaming chuck is installed at described cope match-plate pattern center, the lower surface of this seaming chuck is curved, and has the arc groove extended along lower surface arc direction;
Described lower bolster is provided with die holder, is provided with left and right movable matrix benevolence in die holder and is supported on the left and right movable matrix of left and right movable matrix benevolence lower surface respectively; The upper surface of described left and right movable matrix benevolence has the arc groove extended along its long axis direction, and its lower surface is chimeric with left and right movable matrix upper surface respectively and be slidably matched; The lower surface of described left and right movable matrix is supported on lower bolster by a supporting seat, and by driving air cylinder driven, it moves up and down this supporting seat, realizes the adjustment to supporting seat, makes supporting seat be supported on the lower surface of left and right movable matrix all the time.
2. pipe fitting bending tool according to claim 1, it is characterized in that: the lower surface of described left and right movable matrix benevolence has the groove extended along its long axis direction having in the upper surface of left and right movable matrix and extend and the convex body corresponding with groove along its long axis direction;
The upper surface of described left and right movable matrix has some along the arranged side by side and spaced bearing of its long axis direction, axially arranging along the short-axis direction of left and right movable matrix of this bearing, and there is protrusion outer ring on the convex surface of left and right movable matrix convex body, thus the lower surface realizing left and right movable matrix benevolence is slidably matched with left and right movable matrix upper surface respectively.
3. pipe fitting bending tool according to claim 1, is characterized in that: described left and right movable matrix benevolence upper surface away from one end between be connected with back-moving spring.
4. pipe fitting bending tool according to claim 1, is characterized in that: between described cope match-plate pattern and lower bolster, the inner side of guide pillar guide sleeve structure is respectively arranged with upper limit position block and lower position block, thus realizes the control to seaming chuck Bottom Runby.
CN201410510950.9A 2014-09-29 2014-09-29 Pipe fitting bending tool CN104275403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410510950.9A CN104275403A (en) 2014-09-29 2014-09-29 Pipe fitting bending tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410510950.9A CN104275403A (en) 2014-09-29 2014-09-29 Pipe fitting bending tool

Publications (1)

Publication Number Publication Date
CN104275403A true CN104275403A (en) 2015-01-14

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ID=52251021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410510950.9A CN104275403A (en) 2014-09-29 2014-09-29 Pipe fitting bending tool

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CN (1) CN104275403A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727449A (en) * 1970-11-18 1973-04-17 Tenneco Inc Sliding wing dies
JPS623831A (en) * 1985-06-27 1987-01-09 Hajime Yamazoe Method and equipment for bending pipe stock
CN2331451Y (en) * 1998-03-06 1999-08-04 卢升 Mould for bending processing metal round pipe
CN2917863Y (en) * 2006-05-24 2007-07-04 比亚迪股份有限公司 Punch workbench casting exchange guide rail and guide bracket used with the same
CN201841687U (en) * 2010-09-13 2011-05-25 富伟精机股份有限公司 Track type mould mover
CN202174175U (en) * 2011-07-28 2012-03-28 广东联塑科技实业有限公司 Stamping die for bend pipe joint
CN202239351U (en) * 2011-10-12 2012-05-30 安徽福达汽车模具制造有限公司 Scrap chute
CN202638993U (en) * 2012-07-12 2013-01-02 刘晓辉 Elbow forming device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727449A (en) * 1970-11-18 1973-04-17 Tenneco Inc Sliding wing dies
JPS623831A (en) * 1985-06-27 1987-01-09 Hajime Yamazoe Method and equipment for bending pipe stock
CN2331451Y (en) * 1998-03-06 1999-08-04 卢升 Mould for bending processing metal round pipe
CN2917863Y (en) * 2006-05-24 2007-07-04 比亚迪股份有限公司 Punch workbench casting exchange guide rail and guide bracket used with the same
CN201841687U (en) * 2010-09-13 2011-05-25 富伟精机股份有限公司 Track type mould mover
CN202174175U (en) * 2011-07-28 2012-03-28 广东联塑科技实业有限公司 Stamping die for bend pipe joint
CN202239351U (en) * 2011-10-12 2012-05-30 安徽福达汽车模具制造有限公司 Scrap chute
CN202638993U (en) * 2012-07-12 2013-01-02 刘晓辉 Elbow forming device

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Application publication date: 20150114