CN204397504U - A kind of parallel machine - Google Patents

A kind of parallel machine Download PDF

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Publication number
CN204397504U
CN204397504U CN201520049338.6U CN201520049338U CN204397504U CN 204397504 U CN204397504 U CN 204397504U CN 201520049338 U CN201520049338 U CN 201520049338U CN 204397504 U CN204397504 U CN 204397504U
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CN
China
Prior art keywords
motor
turntable
fixed
parallel machine
nut
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Expired - Fee Related
Application number
CN201520049338.6U
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Chinese (zh)
Inventor
惠记庄
代然
陈兆鲁
胡浩
张前
胡水英
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Changan University
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Changan University
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Filing date
Publication date
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Priority to CN201520049338.6U priority Critical patent/CN204397504U/en
Application granted granted Critical
Publication of CN204397504U publication Critical patent/CN204397504U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of parallel machine.This lathe comprises workbench, workbench is provided with bracing frame, bracing frame is provided with top board, top board is provided with four the first motor, the output shaft of the first motor vertically down, the output shaft of the first motor is fixed with leading screw, leading screw is combined with nut, the both sides of nut are provided with two vertical through holes, run through in through hole and have guide rod, workbench is fixed with four brace tables, brace table is provided with the second motor, brace table is provided with the first turntable, output shaft and first turntable of the second motor are fixed, the bottom surface of top board is provided with four the second turntables, the lower surface of guide rod is fixed on the first turntable, the upper surface of guide rod is fixed on the second turntable, the medial surface of nut is provided with engaging lug, and engaging lug is connected with hydraulic push rod, and the telescopic end of hydraulic push rod is connected with moving platform by Hooke's hinge, and the upper end face of moving platform is provided with mair motor, and the output shaft of mair motor is fixed with cutter chuck.

Description

A kind of parallel machine
Technical field
The utility model belongs to mechanical processing machine technical field, particularly a kind of parallel machine.
Background technology
Serial machine tool is linked and the lathe of connecting by multiple axle, the cutter of serial machine tool can only along fixed guide feeding, the cutter operation free degree is low, equipment process flexibility and mobility not, machining accuracy is not high, very flexible, rigidity are lower, can not the workpiece etc. of manufacturing complex shapes.The appearance of parallel machine solves the problems referred to above, and parallel machine adopts many bars parallel institution to drive, and substantially increases the rigidity of lathe, machining accuracy and crudy is made to have larger improvement, in addition, due to the raising of its feed speed, thus make at a high speed, High Speed machining more easily realizes.Because this lathe has, high rigidity, high bearing capacity, high speed, high accuracy and lightweight, error free accumulation, frame for movement are simple, low cost of manufacture, standardization level advantages of higher, and parallel machine starts the focus becoming processing manufacturing industry research.Although parallel machine is all better than traditional serial machine tool in all many-sides, but because the geometrical property of parallel institution is short of, cause working space little, and then cause the range of work of parallel machine little, can only process the part of a certain size section, the processing for excessive or too small parts is more difficult.
Utility model content
The purpose of this utility model is to provide a kind of parallel machine, and this parallel machine expands working space, and widens the size range of institute's processing parts, and this axial parallel machine tool structure is simple, bearing capacity is strong, without accumulated error, be active in one's movements.
For reaching above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
A kind of parallel machine, it is characterized in that, comprise workbench, described workbench is provided with bracing frame, support frame as described above is provided with top board, described top board is provided with four the first motor, described four the first motor are evenly arranged on circumferentially same, the output shaft of described first motor vertically down, the output shaft of each first motor is fixed with a leading screw, described leading screw is combined with nut, the both sides of described nut are provided with two vertical through holes, run through in each through hole and have a guide rod, described workbench is fixed with four brace tables, each brace table is provided with second motor, described brace table is provided with the first turntable, output shaft and first turntable of described second motor are fixed, the bottom surface of described top board is provided with four the second turntables, the lower surface of described guide rod is fixed on the first turntable, the upper surface of described guide rod is fixed on the second turntable,
The medial surface of each nut is provided with engaging lug, described engaging lug is rotatably connected to hydraulic push rod, the telescopic end of described hydraulic push rod is connected with moving platform by Hooke's hinge, the upper end face of described moving platform is provided with mair motor, the bottom surface of described moving platform is provided with cutter chuck, and the output shaft of described mair motor is fixedly connected with cutter chuck.
Feature and further improvement of the technical program are:
Described Hooke's hinge comprises the first U-shaped connector be connected with the telescopic end of hydraulic push rod and the second U-shaped connector be connected with moving platform, the two sides of described first U-shaped connector are symmetrically arranged with two clutch shaft bearings, the two sides of described second U-shaped connector are symmetrically arranged with two the second bearings, are provided with cross axle between described clutch shaft bearing and the second bearing.
Described leading screw is ball-screw.
Bearing is provided with between described second turntable and top board.
Described leading screw end is provided with encoder, and described nut is provided with angular transducer; The expansion link of described hydraulic push rod is provided with displacement transducer.
Parallel machine of the present utility model, drive leading screw to rotate by the first motor, the rotation of leading screw and the position-limiting action of guide rod make nut move up and down; The rotation of the second motor drives the first turntable to rotate, thus drives two guide rods and nut to rotate around leading screw, realizes the rotation of nut, expands parallel machine working space, widened the scope of application of parallel machine; Application hydraulic push rod controls the motion of cutter head, and electrical control and hydraulic control are combined and control the movement locus of parallel machine, the advantage of comprehensive two kinds of control modes, to reach fast response time, machining accuracy is high, the job requirement that flexibility is strong.This parallel machine expands working space, and widens the size range of institute's processing parts, and this axial parallel machine tool structure is simple, bearing capacity is strong, without accumulated error, be active in one's movements.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of parallel machine of the present utility model;
The structural representation of the installation that Fig. 2 is the screw mandrel shown in Fig. 1 and guide rod;
Fig. 3 is the structural representation of the Hooke's hinge shown in Fig. 1;
Fig. 4 is the structural representation of the nut shown in Fig. 1;
In figure: 1, workbench; 2, bracing frame; 3, top board; 4, the first motor; 5, leading screw; 6, nut; 7, guide rod; 8, brace table; 9, the second motor; 10, the first turntable; 11, the second turntable; 12, engaging lug; 13, hydraulic push rod; 14, Hooke's hinge; 15, moving platform; 16, mair motor; 17, cutter chuck;
141, the first U-shaped connector; 142, the second U-shaped connector; 143, clutch shaft bearing; 144, the second bearing; 145, cross axle.
Detailed description of the invention
With reference to Fig. 1, it is the structural representation of a kind of parallel machine of the present utility model, this parallel machine comprises workbench 1, workbench 1 is provided with bracing frame 2, bracing frame 2 is provided with top board 3, top board 3 is provided with four the first motor 4, four the first motor 4 are evenly arranged on circumferentially same, the output shaft of the first motor 4 vertically down, the output shaft of each first motor 4 is fixed with a leading screw 5, leading screw 5 is combined with nut 6, the both sides of nut 6 are provided with two vertical through holes, run through in each through hole and have a guide rod 7, workbench 1 is fixed with four brace tables 8, each brace table 8 is provided with second motor 9, in the present embodiment, the second motor 9 is arranged on below brace table 8, brace table 8 is stretched out in the rotating shaft of the second motor 9, second motor 9 also can directly be fixed on above brace table 8, brace table 8 is provided with the first turntable 10, in the present embodiment, the first turntable 10 does not contact with brace table 8, the first turntable 10 with also can be set between brace table 8 contact shape, reduce at the first turntable 10 and brace table 8 mounting plane bearing and rub, output shaft and first turntable 10 of the second motor 9 are fixed, and the bottom surface of top board 3 is provided with four the second turntables 11, and the lower surface of guide rod 7 is fixed on the first turntable 10, and the upper surface of guide rod 7 is fixed on the second turntable 11,
The medial surface of each nut 6 is provided with engaging lug 12, engaging lug 12 is rotatably connected to hydraulic push rod 13, the telescopic end of hydraulic push rod 13 is connected with moving platform 15 by Hooke's hinge 14, the upper end face of moving platform 15 is provided with mair motor 16, the bottom surface of moving platform 15 is provided with cutter chuck 17, and the output shaft of mair motor 16 is fixedly connected with cutter chuck 17.
Wherein, Hooke's hinge 14 comprises the first U-shaped connector 141 be connected with the telescopic end of hydraulic push rod 13 and the second U-shaped connector 142 be connected with moving platform 15, the two sides of the first U-shaped connector 141 are symmetrically arranged with two clutch shaft bearings 143, the two sides of the second U-shaped connector 142 are symmetrically arranged with two the second bearings 144, are provided with cross axle 145 between clutch shaft bearing 142 and the second bearing 143.
Wherein, leading screw 3 is ball-screw, and ball-screw frictional force is little, efficiency is high.
Wherein, be provided with bearing between the second turntable 11 and top board 3, the second turntable 11 is rotated relative to top board 3 by bearing.
Wherein, leading screw 3 end is provided with encoder, and nut 6 is provided with angular transducer; The expansion link of hydraulic push rod 13 is provided with displacement transducer, makes the control section of parallel machine form closed-loop control by the sensor, improve machining accuracy.
When using this parallel machine, first, Set and Positioning is carried out to part to be processed, according to the concrete size of part and the cutter that uses, plan the movement locus of cutter, by in the corresponding computer of its movement locus typing, by a series of calculating, determine the position relationship of cutter each component of parallel machine when each difference; Carry out adding man-hour at lathe, control section sends control instruction by corresponding communication interface to motion parts, and the current location parameter of motion parts is obtained by this communication interface, then motion parts completes control section command process, real-time track planning and exports and controls, four the first motor 4 and four the second motor 9 control corresponding nut respectively and move, four hydraulic control devices control corresponding hydraulic push rod respectively and move, and then control the position relationship of moving platform 15, thus realize the various motions of cutter.In machine tooling process, the increment signal of nut and the motor message Real-time Feedback of expansion link to control section, to guarantee the accuracy of process.In addition, the feature adopting the combination of electrical control and hydraulic control electrical control can be responded fast feature high with hydraulic control precision combines, and improves the combination property of parallel machine.
Parallel machine of the present utility model, drives leading screw 5 to rotate by the first motor 4, and the rotation of leading screw 5 and the position-limiting action of guide rod 7 make nut 6 move up and down; The rotation of the second motor 9 drives the first turntable to rotate 10, thus drives two guide rods 7 and nut 6 to rotate around leading screw 5, realizes the rotation of nut 6, expands parallel machine working space, widened the scope of application of parallel machine; Application hydraulic push rod 13 controls the motion of cutter head, and electrical control and hydraulic control are combined and control the movement locus of parallel machine, the advantage of comprehensive two kinds of control modes, to reach fast response time, machining accuracy is high, the job requirement that flexibility is strong.This parallel machine expands working space, and widens the size range of institute's processing parts, and this axial parallel machine tool structure is simple, bearing capacity is strong, without accumulated error, be active in one's movements.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of description, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of the utility model protection.

Claims (5)

1. a parallel machine, it is characterized in that, comprise workbench, described workbench is provided with bracing frame, support frame as described above is provided with top board, described top board is provided with four the first motor, described four the first motor are evenly arranged on circumferentially same, the output shaft of described first motor vertically down, the output shaft of each first motor is fixed with a leading screw, described leading screw is combined with nut, the both sides of described nut are provided with two vertical through holes, run through in each through hole and have a guide rod, described workbench is fixed with four brace tables, each brace table is provided with second motor, described brace table is provided with the first turntable, output shaft and first turntable of described second motor are fixed, the bottom surface of described top board is provided with four the second turntables, the lower surface of described guide rod is fixed on the first turntable, the upper surface of described guide rod is fixed on the second turntable,
The medial surface of each nut is provided with engaging lug, described engaging lug is rotatably connected to hydraulic push rod, the telescopic end of described hydraulic push rod is connected with moving platform by Hooke's hinge, the upper end face of described moving platform is provided with mair motor, the bottom surface of described moving platform is provided with cutter chuck, and the output shaft of described mair motor is fixedly connected with cutter chuck.
2. a kind of parallel machine according to claim 1, it is characterized in that, described Hooke's hinge comprises the first U-shaped connector be connected with the telescopic end of hydraulic push rod and the second U-shaped connector be connected with moving platform, the two sides of described first U-shaped connector are symmetrically arranged with two clutch shaft bearings, the two sides of described second U-shaped connector are symmetrically arranged with two the second bearings, are provided with cross axle between described clutch shaft bearing and the second bearing.
3. a kind of parallel machine according to claim 1, is characterized in that, described leading screw is ball-screw.
4. a kind of parallel machine according to claim 1, is characterized in that, is provided with bearing between described second turntable and top board.
5. a kind of parallel machine according to claim 1, is characterized in that, described leading screw end is provided with encoder, and described nut is provided with angular transducer; The expansion link of described hydraulic push rod is provided with displacement transducer.
CN201520049338.6U 2015-01-23 2015-01-23 A kind of parallel machine Expired - Fee Related CN204397504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520049338.6U CN204397504U (en) 2015-01-23 2015-01-23 A kind of parallel machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520049338.6U CN204397504U (en) 2015-01-23 2015-01-23 A kind of parallel machine

Publications (1)

Publication Number Publication Date
CN204397504U true CN204397504U (en) 2015-06-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107717499A (en) * 2017-11-07 2018-02-23 广西大学 A kind of six degree of freedom via Self-reconfiguration becomes cell type parallel machine
CN110228198A (en) * 2019-05-30 2019-09-13 苏州鼎智瑞光智能科技有限公司 A kind of 3D printer and application method of printable camber line
WO2021027245A1 (en) * 2019-08-09 2021-02-18 山东中衡光电科技有限公司 Multi-robot machining apparatus for complex surface part

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107717499A (en) * 2017-11-07 2018-02-23 广西大学 A kind of six degree of freedom via Self-reconfiguration becomes cell type parallel machine
CN110228198A (en) * 2019-05-30 2019-09-13 苏州鼎智瑞光智能科技有限公司 A kind of 3D printer and application method of printable camber line
WO2021027245A1 (en) * 2019-08-09 2021-02-18 山东中衡光电科技有限公司 Multi-robot machining apparatus for complex surface part

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150617

Termination date: 20160123

EXPY Termination of patent right or utility model