CN201366729Y - Plastic-pipe multi-claw clamping device used for cutting machine - Google Patents

Plastic-pipe multi-claw clamping device used for cutting machine Download PDF

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Publication number
CN201366729Y
CN201366729Y CNU2009201151408U CN200920115140U CN201366729Y CN 201366729 Y CN201366729 Y CN 201366729Y CN U2009201151408 U CNU2009201151408 U CN U2009201151408U CN 200920115140 U CN200920115140 U CN 200920115140U CN 201366729 Y CN201366729 Y CN 201366729Y
Authority
CN
China
Prior art keywords
rod
plate
cylinder
clamping
hinged
Prior art date
Application number
CNU2009201151408U
Other languages
Chinese (zh)
Inventor
周开瑞
Original Assignee
宁波方力集团有限公司
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 宁波方力集团有限公司 filed Critical 宁波方力集团有限公司
Priority to CNU2009201151408U priority Critical patent/CN201366729Y/en
Application granted granted Critical
Publication of CN201366729Y publication Critical patent/CN201366729Y/en

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Abstract

The utility model discloses a plastic-pipe multi-claw clamping device used for a cutting machine. The clamping device comprises a wall plate (1) and an air cylinder (8). The utility model is characterized in that the clamping device also comprises a connecting plate (11), at least three rotating arms (2), supporting shafts (7) corresponding to the rotating arms (2) one to one, connecting rod devices and up-and-down reinforcing plates (6), wherein the supporting shafts (7) are uniformly distributed along the periphery of the wall plate (1); the connecting points of movable arms (2.1) and swing arms (2.2) are articulated on the supporting shafts (7); the up-and-down reinforcing plates (6) are fixedly connected with the movable arms (2.1); the connecting rod devices are respectively arranged between the two adjacent up-and-down reinforcing plates (6) and articulated with the two ends of each of the up-and-down reinforcing plates (6); and the connecting rod devices and the up-and-down reinforcing plates (6) are connected from beginning to end to form a polygon. The clamping device can clamp plastic pipes with different outer diameters within a certain diameter range, therefore, the labor and time can be saved, and the production cost is lowered.

Description

The plastic pipe multi-claw clamping mechanism that is used for cutting machine
Technical field
The utility model relates to the cutting machine technical field, specifically is a kind of plastic pipe multi-claw clamping mechanism that is used for cutting machine.
Background technology
Planet saw blade cutting machine or blade cut-off machine great majority adopt Hough seat clamping devices before and after the servo-actuated case in the existing plastic tube industry, and its structure generally comprises up and down the Hough seat, clamps Hough, a plurality of cylinder, guide pillar, guide pillar seat etc. up and down.Clamp Hough up and down and be separately fixed at up and down on the Hough seat, a plurality of cylinders are installed in respectively up and down on the Hough seat, clamp Hough up and down and clamp plastic pipe under the promotion of cylinder, and guide pillar and guide pillar seat play the effect of a guiding.There is following shortcoming in above prior art: owing to clamp the internal diameter size of Hough up and down is unique, so clamping Hough up and down need change at any time according to the external diameter of extrusion plastic tubing, cause time-consumingly, and the plastic pipe of each specification need be equipped with a cover and clamps Hough, cost height.During in addition owing to clamping Hough clamping plastic pipe, be whole outside cylinder side face contact,, generally adopt the lower aluminium of hardness, so just increased manufacturing cost in order to reduce outer wall damage to plastic pipe.
The utility model content
The technical problems to be solved in the utility model is, provide a kind of can be in the certain diameter scope plastic pipe of clamping various outer diameter and saving of work and time, make the plastic pipe multi-claw clamping mechanism that is used for cutting machine of low cost of manufacture.
The technical solution of the utility model is, a kind of plastic pipe multi-claw clamping mechanism that is used for cutting machine with following structure is provided, and comprises wallboard and cylinder, and an end of described cylinder is hinged on the wallboard; Be characterized in: it also comprises connecting plate, at least three pivoted arms and with pivoted arm bolster one to one, linkage, last lower reinforcing plate, described bolster evenly distributes along the circumference of wallboard, described pivoted arm comprises swing arm and swing arm, the tie point of described swing arm and swing arm is hinged on the bolster, the described lower reinforcing plate of going up is fixedlyed connected with swing arm, described linkage is located at adjacent two respectively and goes up between the lower reinforcing plates and hinged with the two ends of last lower reinforcing plate, distance between two pin joints of all linkages all equates, polygon of the end to end composition of described linkage and last lower reinforcing plate, one end of described connecting plate and the piston rod of cylinder are hinged, and lower reinforcing plate is fixedlyed connected on one group in the other end of described connecting plate and the described polygon.
After adopting above structure, the utility model compared with prior art, have following remarkable advantage and beneficial effect: because at least three pivoted arms that are used for the plastic pipe multi-claw clamping mechanism of cutting machine of the present utility model rely on its corresponding linkage hinged, form the closed polygon of a rule, and it is hinged with the bolster that is evenly distributed on the wallboard respectively, the pin joint of adjacent like this two pivoted arms and bolster and and two pivoted arms between the pin joint of linkage form a parallelogram, pivoted arm is followed parallelogram law all the time when swing, at least three pivoted arms are rotated to same direction when swing, distance between two pin joints of all linkages all equates, to realize the clamping synchronously of all pivoted arms or to open synchronously, guarantee that the swing arm of all pivoted arms all with by the outer wall of the plastic pipe of clamping is all fitted.In addition because the piston rod of described connecting plate one end and cylinder is hinged, its other end is fixedlyed connected with lower reinforcing plate on wherein one group, provides power to promote one of them pivoted arm by connecting plate by cylinder, drives remaining pivoted arm again and links together.Since the swing arm of each pivoted arm of the plastic pipe multi-claw clamping mechanism that is used for cutting machine of the present utility model with contacted by the exterior line of the plastic pipe of clamping, so only need be in the hunting range of swing arm just can the clamping various outer diameter plastic pipe, saving of work and time, cost are low; And because line contact is difficult for by the damage of the outer wall of the plastic pipe of clamping, improve a little in swing arm place of pivoted arm, pivoted arm also can adopt common cast steel or group welding piece, not necessarily will adopt aluminium, has so just reduced manufacturing cost.
As improvement, described linkage comprises connecting rod, extension bar; The two ends of described connecting rod are equipped with screw rod, the screw rod of connecting rod one end is a left-hand thread, the screw rod of the connecting rod other end is a right-hand thread, one end and the last lower reinforcing plate of described extension bar are hinged, the other end of described extension bar is connected with the screw flight of connecting rod, and the screw rod place, two ends of described connecting rod is equipped with locking nut I.Can regulate two distances between the pivoted arm by connecting rod and extension bar like this; and screw rod one end that the two ends of described connecting rod are provided with is a left-hand thread; the other end is a right-hand thread; when pivot link; can make pivoted arm motion together in the other direction, promptly simultaneously to connecting rod draw close or simultaneously to connecting rod away from, then with locking nut I locking; guarantee that distance equates between each pivoted arm, reach best actual clamping effect.
As improvement, also be provided with joint between the piston rod of described connecting plate and cylinder, one end of described joint is connected with the piston rod thread of cylinder, and the other end of described joint and connecting plate hinged also is provided with locking nut II between the piston rod of described joint and cylinder.Adjust distance between piston rod and the connecting plate by being spirally connected of joint and piston rod,, also just finely tune the hunting range of pivoted arm, can adjust the maximum or minimum clamping external diameter of the utility model device thus then with locking nut II locking.
Description of drawings
Accompanying drawing 1 structural representation during for the opening of six pivoted arms of the plastic pipe multi-claw clamping mechanism that is used for cutting machine of the present utility model.
Accompanying drawing 2 is the A-A generalized section of Fig. 1.
Accompanying drawing 3 is the B-B generalized section of Fig. 1.
Structural representation when accompanying drawing 4 clamps for Fig. 1.
Accompanying drawing 5 is the structural representation of eight pivoted arms (not drawing wallboard) of the plastic pipe multi-claw clamping mechanism that is used for cutting machine of the present utility model.
As shown in the figure: 1, wallboard, 2, pivoted arm, 2.1, swing arm, 2.2, swing arm, 3, connecting rod, 4, locking nut I, 5, extension bar, 6, go up lower reinforcing plate, 7, bolster, 8, cylinder, 9, locking nut II, 10, joint, 11, connecting plate, 12, bolt, 13, pivot pin.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the plastic pipe multi-claw clamping mechanism that is used for cutting machine of the present utility model comprises wallboard 1 and cylinder 8, and the afterbody of described cylinder 8 is hinged on the wallboard 1, and making cylinder 8 can be that the center swings with the pin joint.Of the present utility model it is characterized in that: it also comprise connecting plate 11, at least three pivoted arms 2 and with pivoted arm 2 one to one bolster 7, linkage, go up lower reinforcing plate 6, the quantity of the pivoted arm 2 of present embodiment is six, the quantity of corresponding bolster 7, linkage, last lower reinforcing plate 6 also is six, and the described lower reinforcing plate 6 of going up is two settings up and down.Described bolster 7 evenly distributes along the circumference of wallboard 1, described pivoted arm 2 comprises swing arm 2.1 and swing arm 2.2, described swing arm 2.1 is an integral body with swing arm 2.2, and described swing arm 2.1 is hinged on the bolster 7 with the tie point of swing arm 2.2, and making pivoted arm 2 can be the center swing with bolster 7.The described lower reinforcing plate 6 of going up is fixedlyed connected with swing arm 2.1, described linkage is located at adjacent two respectively and goes up between the lower reinforcing plates 6 and hinged with the two ends of last lower reinforcing plate 6, the following structure of concrete employing: described swing arm 2.1 is installed between the lower reinforcing plate 6, swing arm 2.1 is hinged with the two ends of last lower reinforcing plate 6 by pivot pin 13, and it is middle fixedly connected by two bolts 12 to go up lower reinforcing plate 6.Described linkage and last lower reinforcing plate 6 are alternately arranged, the closed polygon of a described linkage and a rule of last lower reinforcing plate 6 end to end compositions, last lower reinforcing plate 6 is fixedlyed connected with pivoted arm 2, distance between two pin joints of all linkages all equates, when one of them pivoted arm 2 swing, the pivoted arm 2 that drives other by linkage is realized interlock together like this.During clamping, make all pivoted arms 2 swing arm 2.1 can both with contacted by the exterior line of the plastic pipe of clamping, one end of described connecting plate 11 is hinged by the piston rod of pivot pin and cylinder 8, lower reinforcing plate 6 is fixedlyed connected on one group in the other end of described connecting plate 11 and the described polygon, the afterbody that is described connecting plate 11 is installed in the upper and lower of lower reinforcing plate 6, and uses bolting.The piston rod of cylinder 8 can promote or spur one of them pivoted arm 2 by connecting plate 11, six pivoted arms 2 are clamped together or opens.
Described linkage comprises connecting rod 3, extension bar 5; One end of described extension bar 5 is hinged by pivot pin 13 and last lower reinforcing plate 6, and the screw rod of the other end of described extension bar 5 and connecting rod 3 is spirally connected, and that is to say that extension bar 5 is provided with internal thread with the place of being spirally connected that is connected 3.When debugging like this if not equidistant between the pivoted arm 2 can be adjusted distance between the pivoted arm 2 by adjusting connecting rod 3, reaches equidistant, make pivoted arm 2 swing arm 2.2 can both with fitted by the outer wall of the plastic pipe of clamping.The two ends of described connecting rod 3 are equipped with screw rod; the screw rod of one end is provided with left-hand thread; the screw rod of its other end is provided with right-hand thread; like this when adjusting connecting rod 3; the extension bar 5 at two ends simultaneously to connecting rod 3 draw close or away from; because extension bar 5 is hinged with last lower reinforcing plate 6, can regulate the distance between two pin joints of extension bar 5 and last lower reinforcing plate 6 like this.The screw rod place, two ends of described connecting rod 3 is equipped with locking nut I4, after connecting rod 3 is adjusted, with locking nut I4 locking, guarantees that connecting rod 3 and extension bar 5 are fixed together.
Described linkage also can omit extension bar 5 and locking nut I4, adopts following structure, and connecting rod 3 two ends are directly hinged with two adjacent last lower reinforcing plates 6 by pivot pin 13, and two pin joints of connecting rod 3 are apart from unanimity.
Also be provided with joint 10 between the piston rod of described connecting plate 11 and cylinder 8, one end of described joint 10 and the piston rod of cylinder 8 are spirally connected, its other end and connecting plate 11 hinged, can finely tune the distance between the pin joint of the piston rod of cylinder 8 and connecting plate 11 like this, distance between the pin joint of the piston rod of cylinder 8 and connecting plate 11 more hour, the amplitude of fluctuation of pivoted arm 2 is more little, otherwise the amplitude of fluctuation of pivoted arm 2 is big more.Also be provided with locking nut II9 between the piston rod of described joint 10 and cylinder 8, the piston rod of the cylinder 8 of described joint 10 is regulated the back and is locked with locking nut II9.
The plastic pipe multi-claw clamping mechanism clamping process that is used for cutting machine of present embodiment: during clamping, the piston rod of cylinder 8 is outwards stretched out, promote connecting plate 11 by joint 10, it is that the center of circle is to the center swing near wallboard 1 with bolster 7 that connecting plate 11 promotes pivoted arm 2, it is that swing to the central synchronous near wallboard 1 in the center of circle with bolster 7 also that the pivoted arm 2 of fixedlying connected with connecting plate 11 drives other five pivoted arms 2 by connecting rod 3, clamps plastic pipe at last.When unclamping, the piston rod of cylinder 8 inwardly shrinks, by joint 10 pulling connecting plates 11, connecting plate 11 pulling pivoted arms 2 are that the center of circle is to the center swing away from wallboard 1 with bolster 7, it is that swing to the central synchronous away from wallboard 1 in the center of circle with bolster 7 also that the pivoted arm 2 of fixedlying connected with connecting plate 11 drives other five pivoted arms 2 by connecting rod 3, unclamps at last by the plastic pipe of clamping.
As shown in Figure 5, the pivoted arm 2 that is used for the plastic pipe multi-claw clamping mechanism of cutting machine of the present utility model also can adopt eight, and its concrete annexation is with six pivoted arms 2, and no longer this gives unnecessary details.
The utility model not only limits to above embodiment; its concrete structure allows variation; but also can adopt hydraulic pressure, motor screw screw mechanism or other linear telescopic frame for movement as the cylinder that adopts; described upward lower reinforcing plate and pivoted arm also can be an integral body; described pivoted arm also can be four, five, six, seven or the like; in a word, all various variations of being done in the independent claims scope are all in protection domain of the present utility model.

Claims (3)

1, a kind of plastic pipe multi-claw clamping mechanism that is used for cutting machine comprises wallboard (1) and cylinder (8), and an end of described cylinder (8) is hinged on the wallboard (1); It is characterized in that: it also comprises connecting plate (11), at least three pivoted arms (2) and with pivoted arm (2) bolster (7) one to one, linkage, last lower reinforcing plate (6), described bolster (7) evenly distributes along the circumference of wallboard (1), described pivoted arm (2) comprises swing arm (2.1) and swing arm (2.2), described swing arm (2.1) is hinged on the bolster (7) with the tie point of swing arm (2.2), the described lower reinforcing plate (6) of going up is fixedlyed connected with swing arm (2.1), described linkage is located at adjacent two respectively and goes up between the lower reinforcing plates (6) and hinged with the two ends of last lower reinforcing plate (6), distance between two pin joints of all linkages all equates, described linkage and polygon of the end to end composition of last lower reinforcing plate (6), the piston rod of one end of described connecting plate (11) and cylinder (8) is hinged, and lower reinforcing plate (6) is fixedlyed connected on one group in the other end of described connecting plate (11) and the described polygon.
2, the plastic pipe multi-claw clamping mechanism that is used for cutting machine according to claim 1 is characterized in that: described linkage comprises connecting rod (3), extension bar (5); The two ends of described connecting rod (3) are equipped with screw rod, the screw rod of connecting rod (3) one ends is a left-hand thread, the screw rod of connecting rod (3) other end is a right-hand thread, one end of described extension bar (5) and last lower reinforcing plate (6) are hinged, the other end of described extension bar (5) is connected with the screw flight of connecting rod (3), and the screw rod place, two ends of described connecting rod (3) is equipped with locking nut I (4).
3, the plastic pipe multi-claw clamping mechanism that is used for cutting machine according to claim 1, it is characterized in that: also be provided with joint (10) between the piston rod of described connecting plate (11) and cylinder (8), one end of described joint (10) is connected with the piston rod thread of cylinder (8), the other end of described joint (10) and connecting plate (11) hinged is provided with locking nut II (9) between the piston rod of described joint (10) and cylinder (8).
CNU2009201151408U 2009-03-09 2009-03-09 Plastic-pipe multi-claw clamping device used for cutting machine CN201366729Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009201151408U CN201366729Y (en) 2009-03-09 2009-03-09 Plastic-pipe multi-claw clamping device used for cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009201151408U CN201366729Y (en) 2009-03-09 2009-03-09 Plastic-pipe multi-claw clamping device used for cutting machine

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CN201366729Y true CN201366729Y (en) 2009-12-23

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101502969B (en) * 2009-03-09 2010-10-13 宁波方力集团有限公司 Multi-claw clamping mechanism for plastic pipe material of cutter
CN102452097A (en) * 2011-12-30 2012-05-16 广东联塑机器制造有限公司 Automatic variable diameter chipless cutting machine
CN103692470A (en) * 2013-12-30 2014-04-02 广东联塑机器制造有限公司 Scrap-free cutting machine for PVC (polyvinyl chloride) tubes
CN104175152A (en) * 2014-08-11 2014-12-03 苏州金纬机械制造有限公司 Pipe body clamping device
CN105537627A (en) * 2016-03-02 2016-05-04 北京瀚川鑫冶工程技术有限公司 Claw-type surrounding-type rod or wire or tube peeling machining guiding device and equipment
CN108556020A (en) * 2018-04-18 2018-09-21 保隆(安徽)汽车配件有限公司 A kind of clamping device for tubing cutting
CN111604811A (en) * 2020-05-25 2020-09-01 北京工研精机股份有限公司 Five-claw elastic pneumatic clamping device for turning and grinding machine tool

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101502969B (en) * 2009-03-09 2010-10-13 宁波方力集团有限公司 Multi-claw clamping mechanism for plastic pipe material of cutter
CN102452097A (en) * 2011-12-30 2012-05-16 广东联塑机器制造有限公司 Automatic variable diameter chipless cutting machine
CN103692470A (en) * 2013-12-30 2014-04-02 广东联塑机器制造有限公司 Scrap-free cutting machine for PVC (polyvinyl chloride) tubes
CN104175152A (en) * 2014-08-11 2014-12-03 苏州金纬机械制造有限公司 Pipe body clamping device
CN104175152B (en) * 2014-08-11 2017-08-11 苏州金纬机械制造有限公司 Body clamping device
CN105537627A (en) * 2016-03-02 2016-05-04 北京瀚川鑫冶工程技术有限公司 Claw-type surrounding-type rod or wire or tube peeling machining guiding device and equipment
CN108556020A (en) * 2018-04-18 2018-09-21 保隆(安徽)汽车配件有限公司 A kind of clamping device for tubing cutting
CN108556020B (en) * 2018-04-18 2020-02-14 保隆(安徽)汽车配件有限公司 Clamping device for pipe cutting
CN111604811A (en) * 2020-05-25 2020-09-01 北京工研精机股份有限公司 Five-claw elastic pneumatic clamping device for turning and grinding machine tool

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AV01 Patent right actively abandoned

Granted publication date: 20091223

Effective date of abandoning: 20090309