CN103231178B - Scissor lift pallet changer - Google Patents
Scissor lift pallet changer Download PDFInfo
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- CN103231178B CN103231178B CN201210335455.XA CN201210335455A CN103231178B CN 103231178 B CN103231178 B CN 103231178B CN 201210335455 A CN201210335455 A CN 201210335455A CN 103231178 B CN103231178 B CN 103231178B
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- connecting rod
- supporter
- strip hole
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- workbench
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Abstract
The invention discloses a scissor lift pallet changer. A horizontal driving mechanism can drive a worktable to move along guide rails on support bodies; a first strip hole is formed in each support body in the direction of the guide rail; a second strip hole parallel to the first strip hole is formed in a machine frame; the upper end of each first connecting rod is hinged to the side wall of each support body, and the lower end of each first connecting rod is pivoted to the interior of the second strip hole in the machine frame; the upper end of each second connecting rod is pivoted to the interior of the first strip hole in the support body, and the lower end of each second connecting rod is hinged to the side wall of the machine frame; a linear driving device drives the lower ends of the first connecting rods to reciprocate in the length direction of the second strip holes; vertical guide blocks are fixedly arranged on the machine frames; vertical guide grooves are formed in the support bodies; and the guide blocks can be inserted into the guide grooves in a sliding manner in the vertical direction. The scissor lift pallet changer realizes translation-free synchronous lifting of a worktable and a lift frame and enables the worktable to be positioned more accurately in the horizontal direction, and as the support bodies and support rollers are in rolling support, the friction force is small, the movement is smooth and the probability of abrasion is low.
Description
Technical field
The present invention relates to a kind of laser cutting machine tool pallet changer, particularly a kind of Scissor lift pallet changer.
Background technology
This class is in order to give full play to the usefulness of laser instrument, and laser cutting machine is furnished with pallet changer usually, realizes cutting process and loading and unloading process is carried out simultaneously.Worktable lifting is the important step realizing workbench exchange.Existing lowering or hoisting gear adopts pinion to engage with a gear wheel usually, depart from the center at gear wheel to stretch out an axle and (between gear wheel center and this axle, form a crank, its centre-to-centre spacing is crank length) hinged with worktable lifting frame, during pinion rotation, can move between top dead-centre and bottom dead centre by driving crank, worktable lifting frame can oscilaltion.Obviously, in lifting process, there is translation in worktable lifting frame, and in such device, the positioning precision of workbench is poor.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of Scissor lift pallet changer, this Scissor lift pallet changer achieves workbench and crane without translation synchronization lifting, the horizontal direction of workbench is located more accurate.
The present invention in order to the technical scheme solving its technical problem and adopt is: a kind of Scissor lift pallet changer, comprises frame, workbench, supporter, vertically drives
Mechanism and horizontal drive mechanism, described supporter is provided with guide rail, horizontal drive mechanism can drive workbench to do linear reciprocating motion along supporter upper rail, upright driving mechanism comprises in cross-articulation first, two connecting rods, linear drive apparatus and vertical guide pad, described supporter is provided with one along first strip hole in its guide rail direction, frame is provided with second strip hole parallel with the first strip hole, first connecting rod upper end and supporter side walls hinged, first connecting rod lower end is articulated in the second strip hole in frame, second connecting rod upper end is articulated in the first strip hole on supporter, second connecting rod lower end and frame side wall hinged, described linear drive apparatus drives first connecting rod lower end edge second strip hole length direction to move back and forth, vertical guide pad is fixedly arranged in frame, supporter is provided with vertical gathering sill, described guide pad vertically can slide and be inserted in gathering sill, described first, the structure of two connecting rod cross-articulation is four, be distributed on supporter four angles respectively, linear drive apparatus comprises cylinder, limited roller and the 3rd, four, five connecting rods, described limited roller can rotational positioning in frame, four third connecting rod two ends respectively with first connecting rod lower end and double leval jib one end hinged, four double leval jib other ends and two the 5th connecting rod one end hinged, the piston rod of two the 5th connecting rod other ends and cylinder is hinged, described cylinder piston rod is axially parallel with supporter upper rail length direction, third connecting rod is parallel with supporter rail length direction, the sidewall of limited roller backstop in third connecting rod towards cylinder side.
As a further improvement on the present invention, described frame is also provided with first and second gathering sill, first gathering sill length direction is parallel with supporter rail length direction, and the 5th connecting rod other end is provided with the first projection, this projection is just arranged in the first gathering sill and also reciprocatingly slides along its length, second gathering sill length direction is vertical with supporter rail length direction, and the 5th connecting rod one end is provided with the second projection, this second projection is just located in the second gathering sill and is also reciprocatingly slided along its length.
As a further improvement on the present invention, described horizontal drive mechanism comprises pair of sprocket, chain, guide groove, guide wheel and motor, described pair of sprocket can rotational positioning in frame, and this arranges along supporter track length direction sprocket wheel, motor drives a sprocket rotation, and chain is sheathed on this and is engaged with transmission to outside sprocket wheel, and chain is provided with a guide wheel, workbench is provided with the guide groove of a vertical direction, and described guide wheel is inserted in guide groove and also can reciprocatingly slides along its length.
As a further improvement on the present invention, the structure that described workbench does linear reciprocating motion along supporter upper rail is: be provided with the support roller that can roll on the downside of workbench, support roller periphery face is provided with groove, and this groove be able to be sheathed on outside horizontal linear guide rail.
As a further improvement on the present invention, described workbench is also provided with spacing magnet along one end of its direction of motion, the proper backstop of this spacing magnet in supporter along the one end in working table movement direction and can with its magnetic attracting.
The invention has the beneficial effects as follows: the present invention realizes supporter by first and second connecting rod of cross-articulation and guide frame and only moves along perpendicular direction, achieve workbench and crane without translation synchronization lifting, the horizontal direction of workbench is located more accurate, and supporter and support roller are rolling support, frictional force is little, move smooth and easy, not easy to wear.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention;
Fig. 2 is upright driving mechanism structural principle schematic diagram of the present invention;
Fig. 3 is horizontal drive mechanism structural principle schematic diagram of the present invention.
Detailed description of the invention
Embodiment: a kind of Scissor lift pallet changer, comprise frame 4, workbench 7, supporter 102, upright driving mechanism and horizontal drive mechanism, described supporter 102 is provided with guide rail 101, horizontal drive mechanism can drive workbench 7 to do linear reciprocating motion along supporter 102 upper rail 101, upright driving mechanism comprises in cross-articulation first, two connecting rods 201, 202, linear drive apparatus and vertical guide pad 5, described supporter 102 is provided with one along first strip hole 206 in its guide rail 101 direction, frame 4 is provided with second strip hole 205 parallel with the first strip hole 206, first connecting rod 201 upper end and supporter 102 side walls hinged, first connecting rod 201 lower end is articulated in the second strip hole 205 in frame 4, second connecting rod 202 upper end is articulated in the first strip hole 206 on supporter 102, second connecting rod 202 lower end and frame 4 side walls hinged, described linear drive apparatus drives first connecting rod 201 lower end edge second strip hole 205 length direction to move back and forth, vertical guide pad is fixedly arranged in frame 4, supporter 102 is provided with vertical gathering sill 6, described guide pad vertically can slide and be inserted in gathering sill, described first, two connecting rods 201, the structure of 202 cross-articulation is four, be distributed on supporter 102 4 angles respectively, linear drive apparatus comprises cylinder 305, limited roller 304 and the 3rd, four, five connecting rods 301, 302, 307, described limited roller 304 can rotational positioning in frame 4, four third connecting rod 301 two ends respectively with first connecting rod 201 lower end and double leval jib 302 one end hinged, four double leval jib 302 other ends and two the 5th connecting rod 307 one end hinged, the piston rod of two the 5th connecting rod 307 other ends and cylinder 305 is hinged, described cylinder 305 piston rod is to parallel with supporter 102 upper rail 101 length direction, third connecting rod 301 is parallel with supporter upper rail 101 length direction, the sidewall of limited roller 304 backstop in third connecting rod 301 towards cylinder 305 side, the piston rod of the cylinder 305 of upright driving mechanism does the straight reciprocating motion of closed slide 101 length direction with the 5th connecting rod 307 other end, third connecting rod 301 is driven to do straight reciprocating motion along guide rail 101 length direction by the 5th connecting rod 307 and double leval jib 302 again, this mechanism can realize a cylinder 305 and drive multiple first connecting rod 201 to move, second connecting rod 202 upper end is just made to produce movement in a curve, due to the first strip hole 206 linear slide on second connecting rod 202 upper end edge supporter 102, supporter 102 is just driven to do vertical direction motion, again because supporter 102 and frame 4 do the guiding of vertical direction by guide pad and gathering sill, the reciprocating linear making supporter 102 can only do vertical direction in frame 4 slides, also just achieve workbench 7 to be elevated without translation synchronous (geo-stationary) with crane, the horizontal direction of workbench 7 is located more accurate.Certainly first and second elongate holes also can be gathering sill, guide rail 101 slide block is also passable, it is all the equivalent constructions of this patent, it is steady that this structure can guarantee that supporter 102 moves, certainly, except this kind of structure, also can be that multiple cylinder 305 and electric controling part realize being synchronized with the movement of the structure of first and second connecting rod 201,202 cross-articulation multiple.
Described frame 4 is also provided with first, two gathering sills 306, 303, first gathering sill 306 length direction is parallel with supporter 102 guide rail 101 length direction, and the 5th connecting rod 307 other end is provided with the first projection, this projection is just arranged in the first gathering sill 306 and also reciprocatingly slides along its length, second gathering sill 303 length direction is vertical with guide rail 101 length direction of supporter, and the 5th connecting rod 307 one end is provided with the second projection, this second projection is just located in the second gathering sill 303 and is also reciprocatingly slided along its length, by first, two gathering sills 306, 303 trend that move both vertically realizing the 5th connecting rod 307 two ends, guarantee that double leval jib 302 other end moves along vertical guide rail 101 length direction, ensure supporter 102 stable movement.
Described horizontal drive mechanism comprises pair of sprocket, chain 703, guide groove 702, guide wheel 701 and motor, described pair of sprocket can rotational positioning in frame 4, and this arranges along supporter 102 track length direction sprocket wheel, motor drives a sprocket rotation, chain 703 is sheathed on this and is engaged with transmission to outside sprocket wheel, chain 703 is provided with a guide wheel 701, workbench 7 is provided with the guide groove 702 of a vertical direction, and described guide wheel 701 is inserted in guide groove 702 and also can reciprocatingly slides along its length.
The structure that described workbench 7 does linear reciprocating motion along supporter 102 upper rail 101 is: be provided with the support roller 704 that can roll on the downside of workbench 7, support roller 704 periphery face is provided with groove, this groove be able to be sheathed on outside horizontal linear guide rail 101, it is rolling support between workbench 7 and crane, frictional force is little, being convenient to Level tune, can certainly be the support of other type, as sliding support.
Described workbench 7 is also provided with spacing magnet 705 along one end of its direction of motion, this spacing magnet 705 just backstop in supporter 102 along one end of workbench 7 direction of motion and can with its magnetic attracting, effect that is spacing and location is played to workbench 7 horizontal level, avoids itself and crane to depart from.
Claims (5)
1. a Scissor lift pallet changer, comprise frame (4), workbench (7), supporter (102), upright driving mechanism and horizontal drive mechanism, described supporter (102) is provided with guide rail (101), horizontal drive mechanism can drive workbench (7) to do linear reciprocating motion along supporter (102) upper rail (101), it is characterized in that: upright driving mechanism comprises in cross-articulation first, two connecting rods (201, 202), linear drive apparatus and vertical guide pad (5), described supporter (102) is provided with one along first strip hole (206) in its guide rail (101) direction, frame (4) is provided with second strip hole (205) parallel with the first strip hole (206), first connecting rod (201) upper end and supporter (102) side walls hinged, first connecting rod (201) lower end is articulated in the second strip hole (205) in frame (4), second connecting rod (202) upper end is articulated in the first strip hole (206) on supporter (102), second connecting rod (202) lower end and frame (4) side walls hinged, described linear drive apparatus drives first connecting rod (201) lower end edge second strip hole (205) length direction to move back and forth, vertical guide pad is fixedly arranged in frame (4), supporter (102) is provided with vertical gathering sill (6), described guide pad vertically can slide and be inserted in gathering sill, described first, two connecting rods (201, 202) structure of cross-articulation is four, be distributed on supporter (102) four angles respectively, linear drive apparatus comprises cylinder (305), limited roller (304) and the 3rd, four, five connecting rods (301, 302, 307), described limited roller (304) can rotational positioning in frame (4), four third connecting rod (301) two ends respectively with first connecting rod (201) lower end and double leval jib (302) one end hinged, four double leval jib (302) other ends and two the 5th connecting rod (307) one end hinged, the piston rod of two the 5th connecting rod (307) other ends and cylinder (305) is hinged, described cylinder (305) piston rod is to parallel with supporter (102) upper rail (101) length direction, third connecting rod (301) is parallel with supporter upper rail (101) length direction, the sidewall of limited roller (304) backstop in third connecting rod (301) towards cylinder (305) side.
2. Scissor lift pallet changer according to claim 1, it is characterized in that: (4) are also provided with first to described frame, two gathering sills (306, 303), first gathering sill length direction is parallel with supporter (102) guide rail (101) length direction, and the 5th connecting rod (307) other end is provided with the first projection, this projection is just arranged in the first gathering sill and also reciprocatingly slides along its length, second gathering sill length direction is vertical with guide rail (101) length direction of supporter, and the 5th connecting rod (307) one end is provided with the second projection, this second projection is just located in the second gathering sill and is also reciprocatingly slided along its length.
3. Scissor lift pallet changer according to claim 1, it is characterized in that: described horizontal drive mechanism comprises pair of sprocket, chain (703), guide groove (702), guide wheel (701) and motor, described pair of sprocket can rotational positioning in frame (4), and this arranges along supporter (102) track length direction sprocket wheel, motor drives a sprocket rotation, chain (703) is sheathed on this and is engaged with transmission to outside sprocket wheel, chain (703) is provided with a guide wheel (701), workbench (7) is provided with the guide groove (702) of a vertical direction, described guide wheel (701) is inserted in guide groove (702) and also can reciprocatingly slides along its length.
4. Scissor lift pallet changer according to claim 1, it is characterized in that: the structure that described workbench (7) does linear reciprocating motion along supporter (102) upper rail (101) is: workbench (7) downside is provided with the support roller (704) that can roll, support roller (704) periphery face is provided with groove, and this groove be able to be sheathed on horizontal linear guide rail (101) outside.
5. Scissor lift pallet changer according to claim 1, it is characterized in that: described workbench (7) is also provided with spacing magnet (705) along one end of its direction of motion, this spacing magnet (705) just backstop in supporter (102) along one end of workbench (7) direction of motion and can with its magnetic attracting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335455.XA CN103231178B (en) | 2012-09-12 | 2012-09-12 | Scissor lift pallet changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335455.XA CN103231178B (en) | 2012-09-12 | 2012-09-12 | Scissor lift pallet changer |
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| Publication Number | Publication Date |
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| CN103231178A CN103231178A (en) | 2013-08-07 |
| CN103231178B true CN103231178B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210335455.XA Active CN103231178B (en) | 2012-09-12 | 2012-09-12 | Scissor lift pallet changer |
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| CN107414324B (en) * | 2017-09-05 | 2018-11-13 | 佛山市高明杰之恒金属制品有限公司 | A kind of platform that reloads for laser cutting machine |
| CN108726430A (en) * | 2018-07-06 | 2018-11-02 | 广东飞库科技有限公司 | A kind of lifting device for AGV |
| CN109014493B (en) * | 2018-09-10 | 2024-01-26 | 宁夏天地奔牛实业集团有限公司 | Sprocket gas cutting positioning auxiliary device and sprocket gas cutting positioning method |
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| CN113120815B (en) * | 2021-05-20 | 2022-09-09 | 深圳市瑞道金属结构有限公司 | Rope body motor rolling pulley companion ladder |
| CN113431407B (en) * | 2021-05-28 | 2022-09-27 | 蓝谷智慧(北京)能源科技有限公司 | Lifting stop device, parking platform, lifting method of parking platform and battery replacing station |
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| CN2725260Y (en) * | 2004-04-08 | 2005-09-14 | 兰州理工大学 | Two Piece shearing hydraulic lifting plat form synchronous lifting mechanical device |
| CN101176948A (en) * | 2006-11-09 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Worktable exchange device for laser cutting machine tool |
| CN202411690U (en) * | 2012-01-13 | 2012-09-05 | 上海华普汽车有限公司 | Lifting mechanism |
| CN202763294U (en) * | 2012-09-12 | 2013-03-06 | 苏州领创激光科技有限公司 | Scissor-type lifting pallet changer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2866778B2 (en) * | 1992-12-30 | 1999-03-08 | 株式会社日平トヤマ | Laser processing equipment |
| JP2001054835A (en) * | 1999-08-18 | 2001-02-27 | Nippei Toyama Corp | Pallet stocker |
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- 2012-09-12 CN CN201210335455.XA patent/CN103231178B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2725260Y (en) * | 2004-04-08 | 2005-09-14 | 兰州理工大学 | Two Piece shearing hydraulic lifting plat form synchronous lifting mechanical device |
| CN101176948A (en) * | 2006-11-09 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Worktable exchange device for laser cutting machine tool |
| CN202411690U (en) * | 2012-01-13 | 2012-09-05 | 上海华普汽车有限公司 | Lifting mechanism |
| CN202763294U (en) * | 2012-09-12 | 2013-03-06 | 苏州领创激光科技有限公司 | Scissor-type lifting pallet changer |
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| CN103231178A (en) | 2013-08-07 |
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Effective date of registration: 20160329 Address after: 061000 Cangzhou Canal District, Hebei, Bohai, South Road, Yongan Avenue, West Patentee after: Cangzhou leader Laser Technology Co., Ltd. Address before: 215300 No. 1885 Zhonghua Garden Road, Yushan Town, Suzhou, Jiangsu, Kunshan Patentee before: Suzhou Lead Laser Technology Co.,Ltd. |