CN103223651B - Pipe body synchronous clamping device - Google Patents

Pipe body synchronous clamping device Download PDF

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Publication number
CN103223651B
CN103223651B CN201310168180.XA CN201310168180A CN103223651B CN 103223651 B CN103223651 B CN 103223651B CN 201310168180 A CN201310168180 A CN 201310168180A CN 103223651 B CN103223651 B CN 103223651B
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China
Prior art keywords
clamping
oil cylinder
rod
casing
slide block
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CN201310168180.XA
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Chinese (zh)
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CN103223651A (en
Inventor
毕群泗
张永红
陈金仪
张铠
米海杰
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.)
Lanzhou Lanya Petrochemical Equipment Engineering Co Ltd
MACHINERY INDUSTRY LANZHOU PETROLEUM CHEMICAL EQUIPMENT INSPECTION OFFICE CO LTD
Shanghai Lanbin Petrochemical Equipment Co Ltd
Lanzhou Petroleum Machinery Research Institute
Original Assignee
Lanzhou Lanya Petrochemical Equipment Engineering Co Ltd
MACHINERY INDUSTRY LANZHOU PETROLEUM CHEMICAL EQUIPMENT INSPECTION OFFICE CO LTD
Shanghai Lanbin Petrochemical Equipment Co Ltd
Lanzhou Petroleum Machinery Research Institute
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Application filed by Lanzhou Lanya Petrochemical Equipment Engineering Co Ltd, MACHINERY INDUSTRY LANZHOU PETROLEUM CHEMICAL EQUIPMENT INSPECTION OFFICE CO LTD, Shanghai Lanbin Petrochemical Equipment Co Ltd, Lanzhou Petroleum Machinery Research Institute filed Critical Lanzhou Lanya Petrochemical Equipment Engineering Co Ltd
Priority to CN201310168180.XA priority Critical patent/CN103223651B/en
Publication of CN103223651A publication Critical patent/CN103223651A/en
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Abstract

The invention provides a pipe body synchronous clamping device which comprises a box body, wherein two clamping mechanisms capable of moving in the opposite directions are arranged on the box body, the clamping mechanism comprises two clamping blocks, and clamping heads are respectively mounted on opposite surfaces of the two clamping blocks. The clamping device achieves driving through the pulling force of an oil cylinder, a linkage mechanism is used for transmitting power, synchronous motions of the two clamping blocks, in the opposite directions, are achieved, the purpose of clamping is achieved, not only the defects in a traditional device are overcome, requirements during the production process are met, the running time is shortened, and the productivity is improved. The pipe body synchronous clamping device has the characteristics of compact structure, low cost, stability and reliability in clamping, flexibility in operation, large pipe diameter span, shortened production period, and improved production efficiency.

Description

A kind of body synchronous clamping device
Technical field
The invention belongs to steel pipe's production and deep-processing machine equipment technical field, relate to a kind of equipment being steel pipe's production or the hydrostatic testing machine after reprocessing and Tube processing line line coupling pre-screwing machine etc. and needing body to clamp, the particularly body synchronous clamping device of a kind of tubing and casing, transportation pipe, municipal pipeline, boiler tube, petrochemical industry steel pipe, nuclear energy steel pipe and other special steel pipe.
Background technology
What tradition body clamp system adopted is rack-and-pinion clamping device or upper lower fixture etc., and during rack-and-pinion gripping means grips body, space is large, causes equipment profile to increase and machining accuracy and technique are comparatively complicated, and cost is high.And gripping means grips stroke is long up and down, structure is more huge, the necessary corresponding a kind of chuck of each body specification, and chuck quantity is too many, and changing chuck affects rhythm of production.So be badly in need of the simple and body clamping device of practicality of a kind of structure.
Summary of the invention
The object of the present invention is to provide a kind of simple and reliable body synchronous clamping device, small volume, can meet the demand in production process.
For achieving the above object, the technical solution adopted in the present invention is: a kind of body synchronous clamping device, comprises casing, and casing is provided with can two clamping devices of movement in opposite directions, and these two clamping devices are driven by driving mechanism.
Described clamping device comprises fixture block, and the opposite face of two fixture blocks is separately installed with chuck.
Described driving mechanism comprises the oil cylinder be fixed on casing, cylinder piston rod is set with two slide blocks, slide block away from cylinder block is fixedly connected with cylinder piston rod, another slide block can move back and forth along cylinder piston rod, two slide blocks are connected by linkage, this linkage is positioned on the sidewall that casing parallels with oil cylinder axis, and drives towards the slide block of cylinder block and another slide block move toward one another, and a slide block is fixedly connected with a clamping device.
Described linkage comprises the second connecting rod that middle part is connected with casing by the 3rd bearing pin, second connecting rod can rotate around the 3rd bearing pin, the often end of second connecting rod all has a first connecting rod by second pinned connection, first connecting rod can rotate around the second bearing pin, and the other end of a first connecting rod has a slide block by the first pinned connection.
Synchronous clamping device of the present invention adopts the perfect combination of oil cylinder and connecting rod to realize level of synchronization clamping, have compact conformation, cost low, clamp reliable and stable feature, and to go slick, adapt to caliber span large, save the production cycle, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of body synchronous clamping device of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A direction view in Fig. 2.
Fig. 4 is the C direction view in Fig. 2.
Fig. 5 is the B-B sectional view in Fig. 4.
In figure: 1. oil cylinder, 2. fixture block, 3. chuck, 4. first connecting rod, 5. second connecting rod, 6. casing, 7. carrying roller, 8. axle sleeve, 9. the first bearing pin, 10. bearing, 11. bolts, 12. second bearing pins, 13. the 3rd bearing pins, 14. lubricating cups, 15. pressing plates.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Fig. 1 ~ Fig. 5, body synchronous clamping device of the present invention, comprises horizontally disposed casing 6, is provided with chute in casing 6; A sidewall of casing 6 is connected with oil cylinder 1, and oil cylinder 1 cylinder body is fixedly connected with casing 6 by flange, and oil cylinder 1 piston rod stretches in chute, and stretches out from another sidewall of casing 6; Oil cylinder 1 upper cover of piston rod is equipped with two slide blocks, and the slide block wherein towards oil cylinder 1 cylinder body can reciprocatingly slide along the piston rod of oil cylinder 1, and another slide block is fixedly connected with oil cylinder 1 piston rod; Casing 6 top is provided with two fixture blocks, 2, two sides that fixture block 2 is relative and is separately installed with chuck 3, and the clamping face that chuck 3 is relative is V-arrangement face; The lower end of fixture block 2 is stretched in casing 1, a fixture block 2 and a slide block affixed as a whole; The sidewall that casing 6 parallels with oil cylinder 1 axis is provided with second connecting rod 5, be connected with casing 6 by the 3rd bearing pin 13 in the middle part of second connecting rod 5, second connecting rod 5 can rotate around the 3rd bearing pin 13, the often end of second connecting rod 5 is all connected with a first connecting rod 4 by second bearing pin 12, first connecting rod 4 can rotate around the second bearing pin 12, the other end of a first connecting rod 4 is connected with a slide block by the first bearing pin 9, the other end of another first connecting rod 4 is connected with another slide block by the first bearing pin 9, and first connecting rod 4 can rotate around the first bearing pin 9; Be equipped with axle sleeve 8 between every root bearing pin and connecting rod, every root bearing pin be equipped with down oilhole and lubricating cup 14, in casing 6, be provided with oil guide groove.
Another sidewall that casing 6 parallels with oil cylinder 1 axis is provided with pressing plate 15, square interstice is formed between pressing plate 15 and casing 6 sidewall, the bearing 10 that can move back and forth up and down is provided with in this space, the bottom of bearing 10 is stretched in this square interstice, the upper thickness of bearing 10 is greater than the thickness of this square interstice, pressing plate 15 is processed with two screws that axis vertical is arranged, a bolt 11 is respectively equipped with in these two screws, every root bolt 11 is equipped with a locknut, this locknut and bolt 11 head are all positioned at below pressing plate 15; Bearing 10 top is provided with the carrying roller 7 that axis parallels with oil cylinder 1 axis.
The effect of carrying roller 7 is the centers regulating different tube diameters, makes chuck 3 can aim at body central smoothly.Bearing 10 is carved with pipe diameter size to indicate, can regulates as required.
A few these devices of cover of respective numbers can be set along tube length direction according to tube length.According to steel pipe caliber, regulated the high and low position of bearing 10 by bolt 11, make the Clamping Center of two chucks 3 be positioned on steel pipe axis, by locknut set bolt 11; Start oil cylinder 1, oil cylinder 1 piston rod bounces back, the slide block be fixedly connected with piston rod is driven to move to oil cylinder 1 cylinder body direction, the first connecting rod 4 be connected with this slide block promotes second connecting rod 5 and rotates clockwise around the 3rd bearing pin 13, second connecting rod 5 drives another root first connecting rod 4 to move to the direction away from oil cylinder 1 cylinder body, make two slide block move toward one another, two slide blocks drive two fixture blocks 2 to move in opposite directions, make two chucks 3 clamp steel pipe.In clamping process, oil cylinder 1 realizes driving by pulling force, by linkage transmission power, realizes the synchronous relative motion of two fixture blocks 2, reach the object of clamping, solve the defect existing for conventional apparatus, meet the demand in production process, shorten working hours simultaneously, improve output.

Claims (3)

1. a body synchronous clamping device, is characterized in that, comprises casing (6), and casing (6) is provided with can two clamping devices of movement in opposite directions, and these two clamping devices are driven by driving mechanism;
Described clamping device comprises fixture block (2), the opposite face of two fixture blocks (2) is separately installed with chuck (3);
Described driving mechanism comprises the oil cylinder (1) be fixed on casing (6), oil cylinder (1) upper cover of piston rod is equipped with two slide blocks, slide block away from oil cylinder (1) cylinder body is fixedly connected with oil cylinder (1) piston rod, another slide block can move back and forth along oil cylinder (1) piston rod, two slide blocks are connected by linkage, this linkage is positioned on the sidewall that casing (6) parallels with oil cylinder (1) axis, and drive towards the slide block of oil cylinder (1) cylinder body and another slide block move toward one another, a slide block is fixedly connected with a clamping device.
2. body synchronous clamping device as claimed in claim 1, it is characterized in that, another sidewall that described casing (6) parallels with oil cylinder (1) axis is provided with pressing plate (15), square space is formed between pressing plate (15) and casing (6) sidewall, be provided with the bearing (10) that can move back and forth up and down in this space, bearing (10) top is provided with the carrying roller (7) that axis parallels with oil cylinder (1) axis.
3. body synchronous clamping device as claimed in claim 1, it is characterized in that, described linkage comprises the second connecting rod (5) that middle part is connected with casing (6) by the 3rd bearing pin (13), second connecting rod (5) can rotate around the 3rd bearing pin (13), the often end of second connecting rod (5) is all connected with a first connecting rod (4) by second bearing pin (12), first connecting rod (4) can rotate around the second bearing pin (12), and the other end of first connecting rod (4) is connected with a slide block by the first bearing pin (9).
CN201310168180.XA 2013-05-09 2013-05-09 Pipe body synchronous clamping device Active CN103223651B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310168180.XA CN103223651B (en) 2013-05-09 2013-05-09 Pipe body synchronous clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310168180.XA CN103223651B (en) 2013-05-09 2013-05-09 Pipe body synchronous clamping device

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CN103223651A CN103223651A (en) 2013-07-31
CN103223651B true CN103223651B (en) 2015-04-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111546264A (en) * 2020-05-18 2020-08-18 湖南文理学院 Electromechanical integrated voltage-sharing clamping device

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CN105751287A (en) * 2014-12-16 2016-07-13 上海金湖挤出设备有限公司 Four-point synchronous clamping device for plastic pipe cutting machine
CN105643515A (en) * 2016-03-28 2016-06-08 李良学 Flake-shaped workpiece clamping device with pressure sensor and use method of clamping device
CN105598883A (en) * 2016-03-28 2016-05-25 俞友良 Efficiency improved workpiece clamping device and use method thereof
CN105904236A (en) * 2016-05-10 2016-08-31 安徽坤昌家具有限公司 Clamping device for wood cutting
CN106607784B (en) * 2017-01-05 2018-12-25 涡阳县康仕达机电有限公司 A kind of round tube clamping fixed mechanism
CN108673076B (en) * 2018-04-05 2020-02-14 南通天福机械有限公司 Shaft pipe end clamping and mounting mechanism

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Publication number Priority date Publication date Assignee Title
CN111546264A (en) * 2020-05-18 2020-08-18 湖南文理学院 Electromechanical integrated voltage-sharing clamping device

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