CN103639974B - The assembly tooling that a kind of sebific duct on steel pipe is installed - Google Patents

The assembly tooling that a kind of sebific duct on steel pipe is installed Download PDF

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Publication number
CN103639974B
CN103639974B CN201310634576.9A CN201310634576A CN103639974B CN 103639974 B CN103639974 B CN 103639974B CN 201310634576 A CN201310634576 A CN 201310634576A CN 103639974 B CN103639974 B CN 103639974B
Authority
CN
China
Prior art keywords
steel pipe
sebific duct
fixture block
block
fixing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201310634576.9A
Other languages
Chinese (zh)
Other versions
CN103639974A (en
Inventor
王彩英
滕传翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHU TONGHE AUTOMOBILE FLUID SYSTEM CO., LTD.
Original Assignee
Wuhu Tonhe Automobile Fluid System Co Ltd
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 Wuhu Tonhe Automobile Fluid System Co Ltd filed Critical Wuhu Tonhe Automobile Fluid System Co Ltd
Priority to CN201310634576.9A priority Critical patent/CN103639974B/en
Publication of CN103639974A publication Critical patent/CN103639974A/en
Application granted granted Critical
Publication of CN103639974B publication Critical patent/CN103639974B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02Assembly jigs

Abstract

The invention discloses the assembly tooling that a kind of sebific duct on steel pipe is installed, comprise base, the rubber pipe fixing device for fixing sebific duct, the steel tube fixing device for fixing steel pipe and the steel pipe propulsion plant for the sebific duct movement that makes steel pipe fixing on rubber pipe fixing device, rubber pipe fixing device and steel pipe propulsion plant are located on base, and steel tube fixing device to be located on steel pipe propulsion plant and in company with steel pipe synchronizing moving.Compared with prior art, sebific duct is fixed by the rubber pipe fixing device on base by this assembly tooling, by steel tube fixing device, steel pipe is fixed, and the steel pipe can fixed by steel tube fixing device by steel pipe propulsion plant is moved towards the sebific duct that rubber pipe fixing device is fixing, steel pipe is made to insert in sebific duct, thus complete the installation of sebific duct on steel pipe, simple to operate, easy to use, greatly can improve the efficiency of assembling of steel pipe and sebific duct, also ensure assembly precision, rubber tube inner wall also can not be damaged simultaneously.

Description

The assembly tooling that a kind of sebific duct on steel pipe is installed
Technical field
The present invention relates to tooling device, specifically, the present invention relates to the assembly tooling that a kind of sebific duct on steel pipe is installed.
Background technology
At present, some steel pipe vehicle used needs to install sebific duct in end.In prior art, normally adopt the method for man-made assembly by the end of glue pipe socket at steel, this assembly method not only efficiency is low, and assembly precision is difficult to control, and also easily damages rubber tube inner wall.
Summary of the invention
The invention provides the assembly tooling that a kind of sebific duct on steel pipe is installed, object improves the efficiency of assembling of steel pipe and sebific duct.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the assembly tooling that a kind of sebific duct on steel pipe is installed, comprise base, the rubber pipe fixing device for fixing sebific duct, the steel tube fixing device for fixing steel pipe and the steel pipe propulsion plant for the sebific duct movement that makes steel pipe fixing on rubber pipe fixing device, rubber pipe fixing device and steel pipe propulsion plant are located on base, and steel tube fixing device to be located on steel pipe propulsion plant and in company with steel pipe synchronizing moving.
The forward block that described steel pipe propulsion plant comprises the first bearing be located on described base, is located at the first guide pillar on the first bearing and is set on the first guide pillar, described steel tube fixing device is located on forward block.
Described steel tube fixing device comprises the first cylinder and steel pipe fixture block, steel pipe fixture block comprises the first movable clip block being located at the fixing fixture block of first on described forward block and being connected with the piston rod of the first cylinder, and the side that the first fixing fixture block is relative with on the first movable clip block is provided with to match and clamps the clip slot of steel pipe.
The side of the described first fixing fixture block is provided with the equal-sized arc clip slot with the external diameter at steel tube clamping place, and the arc clip slot that the side of described first movable clip block is provided with on fixture block fixing with first coordinates another arc clip slot forming the clip slot that circumference is closed.
The arc clip slot of the described first fixing fixture block is open state towards the opening of described first movable clip block, first movable clip block is provided with the projection that can insert in the arc clip slot of the first fixing fixture block protruded towards the first fixing fixture block, and the side of projection is provided with arc clip slot.
Described first cylinder is for being horizontally disposed with.
Described forward block is provided with the push rod parallel with described first guide pillar.
Described rubber pipe fixing device comprises the second bearing be located on described base, be located at the second cylinder on the second bearing and sebific duct fixture block, sebific duct fixture block comprises the second movable clip block being located at the fixing fixture block of second on the second bearing and being connected with the piston rod of the second cylinder, and the side that the second fixing fixture block is relative with on the second movable clip block is provided with to match and clamps the clip slot of sebific duct.
The side of the described second fixing fixture block is provided with the equal-sized arc clip slot with sebific duct external diameter, and the arc clip slot that the side of described second movable clip block is provided with on fixture block fixing with second coordinates another arc clip slot forming complete circle clip slot.
Described second cylinder is parallel with described first cylinder, and described second bearing is provided with the second guide pillar, and the piston rod of the second cylinder is provided with guide pad, and guide pad is connected with described second movable clip block and is set on the second guide pillar.
The present invention adopts technique scheme, compared with prior art, sebific duct is fixed by the rubber pipe fixing device on base by this assembly tooling, by steel tube fixing device, steel pipe is fixed, and the steel pipe can fixed by steel tube fixing device by steel pipe propulsion plant is moved towards the sebific duct that rubber pipe fixing device is fixing, steel pipe is made to insert in sebific duct, thus complete the installation of sebific duct on steel pipe, simple to operate, easy to use, greatly can improve the efficiency of assembling of steel pipe and sebific duct, also ensure assembly precision simultaneously, rubber tube inner wall also can not be damaged.
Accompanying drawing explanation
Fig. 1 is the structural representation of assembly tooling of the present invention;
Fig. 2 is the structural representation of the first fixing fixture block;
Fig. 3 is the structural representation of the first movable clip block;
Mark in above-mentioned figure is: 1, base; 2, sebific duct; 3, steel pipe; 4, the first bearing; 5, the first guide pillar; 6, forward block; 7, the first cylinder; 8, the first fixing fixture block; 81, U-type groove; 9, the first movable clip block; 91, projection; 10, push rod; 11, the second bearing; 12, the second cylinder; 13, the second fixing fixture block; 14, the second movable clip block; 15, the second guide pillar; 16, guide pad.
Detailed description of the invention
As shown in Figure 1, a kind of assembly tooling of installing for the sebific duct 2 on 3 of the present invention, comprise base 1, for fixing sebific duct 2 rubber pipe fixing device, for fix 3 steel tube fixing device and for make 3 towards on rubber pipe fixing device the steel pipe propulsion plant of sebific duct 2 place's movement fixed, rubber pipe fixing device and steel pipe propulsion plant are located on base 1, steel tube fixing device to be located on steel pipe propulsion plant and in company with 3 synchronizing movings, to guarantee that 3 are in stationary state all the time.Therefore sebific duct 2 is fixed by the rubber pipe fixing device on base 1 by this assembly tooling, fixed 3 by steel tube fixing device, and 3 moving towards the sebific duct 2 that rubber pipe fixing device is fixing of by steel pipe propulsion plant, steel tube fixing device can being fixed, make in 3 insertion sebific ducts 2, thus complete the installation of sebific duct 2 on 3, simple to operate, easy to use, greatly can improve the efficiency of assembling of 3 and sebific duct 2, also ensure assembly precision, sebific duct 2 inwall also can not be damaged simultaneously.
Specifically, the forward block 6 that the steel pipe propulsion plant of this assembly tooling comprises the first bearing 4 be fixed on base 1 end face, is located at the first guide pillar 5 on the first bearing 4 and is set on the first guide pillar 5, steel tube fixing device is located on forward block 6.First bearing 4 is made up of the L-type rest pad that two parallel, two rest pads keep at a certain distance away, the axis of the first guide pillar 5 and the axis being parallel of be fixed 3, first guide pillar 5 is provided with and parallels and be located in the same horizontal plane two, the two ends of the first guide pillar 5 are separately fixed on two rest pads, forward block 6 is provided with the pilot hole matched with the first guide pillar 5, be enclosed within the first guide pillar 5 by pilot hole, forward block 6 can move along the first guide pillar 5 under external force, thus steel tube fixing device can be driven to move.
The lateral surface of forward block 6 is provided with a push rod 10 parallel with the first guide pillar 5, push rod 10 is positioned at the centre position of two the first guide pillars 5, push rod 10 is the grippings for facilitating staff, apply external force by push rod 10 pairs of forward blocks 6, promotion forward block 6 moves towards rubber pipe fixing device place or oppositely pulls and makes forward block 6 return.
Steel tube fixing device comprises horizontally disposed first cylinder 7 and steel pipe fixture block, first cylinder 7 is fixed on one end of forward block 6, steel pipe fixture block comprises the first fixing fixture block 8 of being fixed on forward block 6 end face and fixes with the first movable clip block 9, first that the piston rod of the first cylinder 7 is connected the clip slot that fixture block 8 side relative with on the first movable clip block 9 is provided with the clamping 3 that matches.
As shown in Figures 2 and 3, the side towards the first movable clip block 9 of the first fixing fixture block 8 is provided with arc clip slot equal-sized with the external diameter of 3 clampings place, and the side towards the first fixing fixture block 8 of the first movable clip block 9 is provided with another arc clip slot.Specifically, arc clip slot on first fixing fixture block 8 is U-type groove 81, the opening towards the first movable clip block 9 of this U-type groove 81 is taper, opening is open state, it is be located at fixing on the side of fixture block 8 towards first on projection 91 that first movable clip block 9 is provided with projection 91, the first arc clip slot fixed on fixture block 8 that can insert in the U-type groove 81 of the first fixing fixture block 8 protruded towards the first fixing fixture block 8.When fixing 3, first cylinder 7 drives the first movable clip block 9 to move towards the first fixing fixture block 8 place, projection 91 on first movable clip block 9 can insert in U-type groove 81, until be fixedly clamped 3, now, arc clip slot on projection 91 matches with the U-type groove 81 on the first fixing fixture block 8 and forms the closed clip slot of circumference, reliable clamping, simply easy to operate.
The rubber pipe fixing device of this assembly tooling comprises the second bearing 11 be fixed on base 1, be located at the second cylinder 12 on the first bearing 4 and sebific duct fixture block.The rest pad that second bearing 11 is paralleled by two other forms, and two rest pads keep at a certain distance away, and the second cylinder 12 is parallel with the first cylinder 7, and the second cylinder 12 is located at the side of one of them rest pad, and is positioned at the same side of base 1 with the first cylinder 7.Second bearing 11 is provided with to be provided with the second guide pillar 15, second guide pillar 15 of the first guide pillar 5 axes normal and parallels and be located in the same horizontal plane two, and the two ends of the second guide pillar 15 are separately fixed on two rest pads.Sebific duct fixture block is between two rest pads, the second movable clip block 14 that sebific duct fixture block comprises the second fixing fixture block 13 and is connected with the piston rod of the second cylinder 12, second fixing fixture block 13 is fixedly mounted on the rest pad not installing the second cylinder 12 on the second bearing 11, and the side that the second fixing fixture block 13 is relative with on the second movable clip block 14 is provided with to match and clamps the clip slot of sebific duct 2.The piston rod of the second cylinder 12 is through rest pad, piston rod is provided with a guide pad 16, second movable clip block 14 is arranged on this guide pad 16, guide pad 16 is provided with the pilot hole matched with the second guide pillar 15, be enclosed within the second guide pillar 15 by pilot hole, guide pad 16 can move along the second guide pillar 15 under the second cylinder 12 active force, thus the second movable clip block 14 can be driven to move or reverse mobile return towards the second fixing fixture block 13 place.
The side towards the second movable clip block 14 of the second fixing fixture block 13 is provided with semicircle clip slot equal-sized with sebific duct 2 external diameter, second movable clip block 14 on the side of the second fixing fixture block 13, be also provided with semicircle clip slot equal-sized with sebific duct 2 external diameter, when the second movable clip block 14 to contact with the side of the second fixing fixture block 13 clamp sebific duct 2 time, the split of two semicircle clip slot phases forms complete circular clip slot, sebific duct 2 is tightly clamped, reliable clamping, simply easy to operate.And second clip slot on fixing fixture block 13 want coaxial with the clip slot on the first fixing fixture block 8, guarantee that 3 and the sebific duct 2 that be clamped is coaxially, thus also just ensure that assembly precision.
This assembly tooling, when assembling 3 and sebific duct 2, after clamping 3 and sebific duct 2, can directly promote push rod 10, makes 3 to move towards sebific duct 2 place, until 3 heads insert in sebific duct 2, and installation.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.

Claims (8)

1. the assembly tooling of the sebific duct installation on steel pipe, it is characterized in that: comprise base, the rubber pipe fixing device for fixing sebific duct, the steel tube fixing device for fixing steel pipe and the steel pipe propulsion plant for the sebific duct movement that makes steel pipe fixing on rubber pipe fixing device, rubber pipe fixing device and steel pipe propulsion plant are located on base, and steel tube fixing device to be located on steel pipe propulsion plant and in company with steel pipe synchronizing moving;
Described steel tube fixing device comprises the first cylinder and steel pipe fixture block, steel pipe fixture block comprises the first movable clip block being located at the fixing fixture block of first on described forward block and being connected with the piston rod of the first cylinder, the side of the described first fixing fixture block is provided with the equal-sized arc clip slot with the external diameter at steel tube clamping place, the arc clip slot of the described first fixing fixture block is open state towards the opening of described first movable clip block, first movable clip block is provided with the projection that can insert in the arc clip slot of the first fixing fixture block protruded towards the first fixing fixture block, the arc clip slot that the side of projection is provided with on fixture block fixing with first coordinates another arc clip slot forming the clip slot that circumference is closed.
2. the assembly tooling of the sebific duct installation on steel pipe according to claim 1, it is characterized in that: the forward block that described steel pipe propulsion plant comprises the first bearing be located on described base, is located at the first guide pillar on the first bearing and is set on the first guide pillar, described steel tube fixing device is located on forward block.
3. the assembly tooling of the sebific duct installation on steel pipe according to claim 2, it is characterized in that: the arc clip slot of the described first fixing fixture block is open state towards the opening of described first movable clip block, first movable clip block is provided with the projection that can insert in the arc clip slot of the first fixing fixture block protruded towards the first fixing fixture block, and the side of projection is provided with arc clip slot.
4. the assembly tooling of the sebific duct installation on steel pipe according to claim 3, is characterized in that: described first cylinder is for being horizontally disposed with.
5. the assembly tooling of the sebific duct installation on steel pipe according to claim 4, is characterized in that: described forward block is provided with the push rod parallel with described first guide pillar.
6. the assembly tooling that the sebific duct on steel pipe according to claim 3 or 4 or 5 is installed, it is characterized in that: described rubber pipe fixing device comprises the second bearing be located on described base, be located at the second cylinder on the second bearing and sebific duct fixture block, sebific duct fixture block comprises the second movable clip block being located at the fixing fixture block of second on the second bearing and being connected with the piston rod of the second cylinder, and the side that the second fixing fixture block is relative with on the second movable clip block is provided with to match and clamps the clip slot of sebific duct.
7. the assembly tooling of the sebific duct installation on steel pipe according to claim 6, it is characterized in that: the side of the described second fixing fixture block is provided with the equal-sized arc clip slot with sebific duct external diameter, the arc clip slot that the side of described second movable clip block is provided with on fixture block fixing with second coordinates another arc clip slot forming complete circle clip slot.
8. the assembly tooling of the sebific duct installation on steel pipe according to claim 7, it is characterized in that: described second cylinder is parallel with described first cylinder, described second bearing is provided with the second guide pillar, the piston rod of the second cylinder is provided with guide pad, and guide pad is connected with described second movable clip block and is set on the second guide pillar.
CN201310634576.9A 2013-11-30 2013-11-30 The assembly tooling that a kind of sebific duct on steel pipe is installed Expired - Fee Related CN103639974B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310634576.9A CN103639974B (en) 2013-11-30 2013-11-30 The assembly tooling that a kind of sebific duct on steel pipe is installed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310634576.9A CN103639974B (en) 2013-11-30 2013-11-30 The assembly tooling that a kind of sebific duct on steel pipe is installed

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CN103639974B true CN103639974B (en) 2015-08-12

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CN105945563B (en) * 2016-06-24 2018-05-01 宋国丰 The device for screwing up of the newest assembly of tightening machine
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CN105935870B (en) * 2016-06-24 2018-06-29 南京昱晟机器人科技有限公司 The newest assembly of tightening machine
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CN108098685B (en) * 2018-01-31 2020-06-19 京东方科技集团股份有限公司 Rubber tube joint dismounting device
CN108527239A (en) * 2018-05-30 2018-09-14 广东科宇康科技有限公司 A kind of the installation equipment and its installation method of air pump tilting member
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CN110281539A (en) * 2019-06-13 2019-09-27 广东骏驰科技股份有限公司 A kind of device of semi-automatic installation sebific duct buckle
CN111762546B (en) * 2019-09-02 2021-07-13 淄博爱科工矿机械有限公司 Rubber tube transmission device with lifting function
CN114043407B (en) * 2022-01-12 2022-05-13 宁波福士汽车部件有限公司 EGR air inlet pipeline heat insulation sheath rapid Assembly frock

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958424A (en) * 1989-10-26 1990-09-25 Hsu Paul K H Device for fitting a hosel on a club shaft
US7665718B1 (en) * 2002-02-12 2010-02-23 Joel Kent Benson Hose fitting inserter
CN201833329U (en) * 2010-09-07 2011-05-18 北京二七轨道交通装备有限责任公司 Pneumatic mounting machine for rubber pipes
CN102513969A (en) * 2011-12-01 2012-06-27 天津鹏翎胶管股份有限公司 Pneumatic assembling fixture for rubber hose with quick connector
CN103419011A (en) * 2013-05-29 2013-12-04 宁波舜洁卫生器具有限公司 Pipe sleeving device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958424A (en) * 1989-10-26 1990-09-25 Hsu Paul K H Device for fitting a hosel on a club shaft
US7665718B1 (en) * 2002-02-12 2010-02-23 Joel Kent Benson Hose fitting inserter
CN201833329U (en) * 2010-09-07 2011-05-18 北京二七轨道交通装备有限责任公司 Pneumatic mounting machine for rubber pipes
CN102513969A (en) * 2011-12-01 2012-06-27 天津鹏翎胶管股份有限公司 Pneumatic assembling fixture for rubber hose with quick connector
CN103419011A (en) * 2013-05-29 2013-12-04 宁波舜洁卫生器具有限公司 Pipe sleeving device

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Owner name: WUHU TONGHE AUTOMOBILE FLUID SYSTEM CO., LTD.

Free format text: FORMER NAME: WUHU TONGHE AUTO PIPELINE SYSTEM CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 241009 Hengshan Road economic and Technological Development Zone, Anhui, No. 26,

Patentee after: WUHU TONGHE AUTOMOBILE FLUID SYSTEM CO., LTD.

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Patentee before: Wuhu Tonhe Automobile Fluid System Co., Ltd.

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Granted publication date: 20150812

Termination date: 20201130