CN102814689A - Linear servo sliding platform - Google Patents

Linear servo sliding platform Download PDF

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Publication number
CN102814689A
CN102814689A CN2011102870570A CN201110287057A CN102814689A CN 102814689 A CN102814689 A CN 102814689A CN 2011102870570 A CN2011102870570 A CN 2011102870570A CN 201110287057 A CN201110287057 A CN 201110287057A CN 102814689 A CN102814689 A CN 102814689A
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CN
China
Prior art keywords
fixed
leading screw
workbench
linear servo
base
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Pending
Application number
CN2011102870570A
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Chinese (zh)
Inventor
陈月珍
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.)
SHANGHAI BEILU ELECTROMECHANICAL CO Ltd
Original Assignee
SHANGHAI BEILU ELECTROMECHANICAL 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.)
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Application filed by SHANGHAI BEILU ELECTROMECHANICAL CO Ltd filed Critical SHANGHAI BEILU ELECTROMECHANICAL CO Ltd
Priority to CN2011102870570A priority Critical patent/CN102814689A/en
Publication of CN102814689A publication Critical patent/CN102814689A/en
Pending legal-status Critical Current

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Abstract

The invention provides a linear servo sliding platform which comprises a base, a lead screw fixed on the base, one or a plurality of hollow servo motors assembled on the lead screw and one or a plurality of working platforms fixed on a stator of each hollow servo motor, wherein a rotor of each hollow servo motor is respectively fixed with one or a plurality of nuts spirally connected onto the lead screw. The linear servo sliding platform can drive the working platforms to independently slide and achieve functions of locking specific workpieces and conducting a movable operation at the same time.

Description

The linear servo slide unit
Technical field
The present invention relates to the linear servo slide unit, relate in particular to a kind of coaxial multi-platform linear servo slide unit.
Background technology
Traditional linear servo slide unit mainly comprises: leading screw, the servomotor that is installed in the workbench on the leading screw and drives the leading screw rotation, and servomotor can drive the leading screw rotation, and leading screw and then drive workbench are done rectilinear motion.But traditional linear servo slide unit only can drive a workbench motion, and receives the restriction of its way of propelling, and the positioning accuracy of workbench receives the influence of screw mandrel and shaft joint precision.
Summary of the invention
The technical problem that the present invention will solve provides a kind of linear servo slide unit, can drive a plurality of workbenches and independently slide.
For solving the problems of the technologies described above, the invention provides a kind of linear servo slide unit, comprising:
Base;
Be fixed on the leading screw on the said base;
Be assemblied in the one or more hollow servomotors on the said leading screw, the rotor of each hollow servomotor fixes with the one or more nuts that are screwed onto on the said leading screw respectively;
Be fixed on the one or more workbenches on the stator of each hollow servomotor.
Alternatively, said linear servo slide unit also comprises:
Be fixed on the slide rail on the said base;
Be fixed on the slide block on the said workbench, said slide block slides along said slide rail.
Alternatively, said linear servo slide unit also comprises the motor installation panel that is fixed on the said workbench, and the stator of said hollow servomotor is fixed on the said workbench through said motor installation panel.
Alternatively, said linear servo slide unit also comprises:
Be fixed on the baffle plate on said motor installation panel or the workbench;
Be fixed on the photoelectric sensor on the said base, said baffle plate and said photoelectric sensor are used.
Alternatively, said linear servo slide unit also comprises:
Be fixed on the magnetic grid/grating chi on the said base;
Be fixed on the magnetic grid/grating read head on said installation panel or the workbench.
Alternatively, said linear servo slide unit comprises that also said leading screw is fixed on the said base through the said first leading screw fixed station and the second leading screw fixed station on the first leading screw fixed station and the second leading screw fixed station at the two ends that are separately fixed at said leading screw.
Alternatively, said linear servo slide unit also comprises:
The drag chain that is fixed on said base both sides is laid platform;
Be fixed on the drag chain installing rack of said workbench one side;
Drag chain, the one of which end is connected with said drag chain installing rack, and the other end is laid platform with said drag chain and is connected.
Compared with prior art, the present invention has the following advantages:
The linear servo slide unit of the embodiment of the invention comprises one or more workbenches; Leading screw is fixed, is equipped with one or more hollow servomotors on the leading screw, and the rotor of each hollow servomotor is fixed respectively at the nut of logic on leading screw; Its stator is fixed with each workbench respectively; The rotor of each hollow servomotor drives the nut rotation, and then it is independently mobile to drive each workbench, helps improving the space availability ratio of equipment.
Further; Because each workbench can independently slide; Thereby can control two or more workbenches and lock each other, the same moved further of a plurality of workbenches of feasible locking, thus can realize locking the function that specific workpiece is carried out mobile operating simultaneously.
Description of drawings
Fig. 1 is the perspective view of the linear servo slide unit of the embodiment of the invention;
Fig. 2 is the explosive view of the linear servo slide unit of the embodiment of the invention;
Fig. 3 is the vertical view of the linear servo slide unit of the embodiment of the invention;
Fig. 4 is the profile of Fig. 3 along the A-A direction;
Fig. 5 is the profile of Fig. 3 along the B-B direction;
Fig. 6 is the vertical view of base of the linear servo slide unit of the embodiment of the invention;
Fig. 7 is the side view of base of the linear servo slide unit of the embodiment of the invention;
Fig. 8 is slide rail and the structural representation of slide block of the linear servo slide unit of the embodiment of the invention;
Fig. 9 is the workbench of the embodiment of the invention and the vertical view of leading screw;
Figure 10 is the profile of Fig. 9 along the A-A direction;
Figure 11 is the workbench of the embodiment of the invention and the side view of leading screw.
The specific embodiment
The linear servo slide unit of prior art rotates through leading screw and drives workbench and move; Only can drive a workbench; Need the equipment of a plurality of workbenches at some, just need the servo slide unit of many covers system realize function corresponding, not only increased and take up room but also increase cost.
The linear servo slide unit of the embodiment of the invention comprises one or more workbenches; Leading screw is fixed; Be equipped with one or more hollow servomotors on the leading screw, the rotor of each hollow servomotor is fixed respectively at the nut of logic on leading screw, and its stator is fixed with each workbench respectively; The rotor of each hollow servomotor drives the nut rotation, and then it is independently mobile to drive each workbench.
Further,, thereby can control two or more workbenches and lock each other, can realize locking the function that specific workpiece is carried out mobile operating simultaneously owing to each workbench can independently slide.
Below in conjunction with specific embodiment and accompanying drawing the present invention is described further, but should limit protection scope of the present invention with this.
Fig. 1 shows the perspective view of the linear servo slide unit of present embodiment, and Fig. 2 shows the parts explosive view of this linear servo slide unit, is elaborated below in conjunction with Fig. 1 and Fig. 2.
The linear servo slide unit of present embodiment comprises: base 2; Be fixed on the leading screw 5 on the base 2; Wear the one or more hollow servomotors 7 that are assemblied on the leading screw 5, one or more nuts 17 that the rotor of each hollow servomotor 7 is screwed onto respectively on the leading screw 5 fix; The rotor of each hollow servomotor 7 is fixing with corresponding work platform 4 respectively.More specifically, nut 17 is installed in each hollow servomotor 7, is connected to form rotor set with rotor, and is spirally connected with leading screw 5 simultaneously; Leading screw 5 runs through one or more hollow servomotors 7.
As a nonrestrictive example; The quantity of workbench 4 is 2 in the linear servo slide unit of present embodiment, and the quantity of hollow servomotor 7 also is two, in other specific embodiments; Can also adjust the quantity of the two according to the actual requirements, as 1,3,5 etc.
Simultaneously with reference to figure 2, Fig. 6 and Fig. 7; In the linear servo slide unit of present embodiment; The two ends of leading screw 5 are separately fixed at the first leading screw fixed station 13 and the second leading screw fixed station 14; The first leading screw fixed station 13 and the second leading screw fixed station 14 are separately fixed at the two ends of base 2, have realized the fixing of leading screw 5 and base 2.
In the present embodiment, the both sides of base 2 also are fixed with drag chain and lay platform 1, also are fixed with photoelectric sensor 15 on the base 2.
Combine Fig. 9 to Figure 11 simultaneously; One side of workbench 4 is fixed with drag chain installing rack 11, and an end of drag chain 16 is fixed on the drag chain installing rack 11, and the other end is fixed on drag chain and lays on the platform 1; In actual use, the power line of workbench 4, holding wire etc. can come cabling through drag chain 16.
Still with reference to figure 2, also comprise motor installation panel 8 in the linear servo slide unit of present embodiment, the stator of hollow servomotor 7 is fixed on the workbench 4 through motor installation panel 8.More specifically, first connecting portion in the motor installation panel 8 is fixed on the workbench 4, and second connecting portion of electrode installation panel 8 is fixed on the stator of hollow servomotor 7, thus being connected between the stator of having realized hollow servomotor 7 and the workbench 4.
Motor installation panel 8 can also comprise protuberance, can be fixed with magnetic grid/grating read head 9 and inductor baffle plate 10 on this protuberance.Wherein, Magnetic grid/grating read head 9 is used with the magnetic grid/grating chi 6 that is installed on the base 2; Magnetic grid/the bearing of trend of grating chi 6 is parallel to the bearing of trend of base 2; Magnetic grid/grating read head 9 and magnetic grid/grating chi 6 is used the position that can confirm workbench 4, and a plurality of workbenches 4 can shared same magnetic grid/grating chi 6 in the present embodiment.Combine Fig. 5 simultaneously; Inductor baffle plate 10 is used with the photoelectric sensor 15 that is fixed on the base 2, and when workbench 4 moved, inductor baffle plate 10 got into the induction range of photoelectric sensor 15; Then carry out corresponding spacingly or reset, help protective device and accurate resetting of operation.
In the present embodiment; Magnetic grid/grating read head 9 is fixed on the motor installation panel 8 with inductor baffle plate 10, in other specific embodiments, also can be fixed on the workbench 4; Perhaps one of them is installed on the motor installation panel 8, and another is installed on the workbench 4.
Simultaneously with reference to figure 2 and Fig. 8; The linear servo slide unit of present embodiment also comprises slide rail 3 and slide block 12; Wherein slide rail 3 is fixed on the base 2, and slide block 12 is fixed on the workbench 4, and the fixed form of the two can be to weld, be spirally connected etc.; When hollow servomotor 7 drive workbenches 4 moved, slide block 12 moved along slide rail 3.
Concrete, the quantity of slide rail 3 is 2 in the present embodiment, is separately fixed at the both sides of base 2; The quantity that is fixed on the slide block 12 on each workbench 4 is 4, and certainly, the quantity of slide rail 3 and slide block 12 is not limited thereto.Slide rail 3 makes moving process more smooth and easy with slide block 12 structure combining, also defines the motion track of workbench 4 simultaneously.
Fig. 3 is the vertical view of the linear servo slide unit of present embodiment; Fig. 4 is the profile of Fig. 3 along the A-A direction; When work; Straight line takes place after drive nut 17 rotates and moves in rotor 18 rotations of hollow servomotor 7 on leading screw 5, thereby the stator 19 that drives hollow servomotor 7 moves with workbench 4 generation straight lines.Each hollow servomotor 7 can single driving; Thereby a plurality of workbenches 4 can independently move; And same moved further after can a plurality of workbenches 4 being locked together, a plurality of workbench 4 equivalences this moment are a workbench, because a workbench of equivalence is driven by a plurality of hollow servomotors 7; Thereby its thrust can become very big, also helps reducing cost.
To sum up; In the linear servo slide unit of present embodiment, noise is low during the leading screw operation, and rigidity intensity is high; Magnetic grid/grating read head and magnetic grid/grating chi has degree of precision; And entire equipment can use double track multi-slide structure, and stability is better, can reach response speed soon, at a high speed, low noise, precision advantages of higher.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.

Claims (7)

1. a linear servo slide unit is characterized in that, comprising:
Base;
Be fixed on the leading screw on the said base;
Be assemblied in the one or more hollow servomotors on the said leading screw, the rotor of each hollow servomotor fixes with the one or more nuts that are screwed onto on the said leading screw respectively;
Be fixed on the one or more workbenches on the stator of each hollow servomotor.
2. linear servo slide unit according to claim 1 is characterized in that, also comprises:
Be fixed on the slide rail on the said base;
Be fixed on the slide block on the said workbench, said slide block slides along said slide rail.
3. linear servo slide unit according to claim 1 is characterized in that, also comprises the motor installation panel that is fixed on the said workbench, and the stator of said hollow servomotor is fixed on the said workbench through said motor installation panel.
4. linear servo slide unit according to claim 2 is characterized in that, also comprises:
Be fixed on the baffle plate on said motor installation panel or the workbench;
Be fixed on the photoelectric sensor on the said base, said baffle plate and said photoelectric sensor are used.
5. linear servo slide unit according to claim 2 is characterized in that, also comprises:
Be fixed on the magnetic grid/grating chi on the said base;
Be fixed on the magnetic grid/grating read head on said installation panel or the workbench.
6. linear servo slide unit according to claim 1; It is characterized in that; Comprise that also said leading screw is fixed on the said base through the said first leading screw fixed station and the second leading screw fixed station on the first leading screw fixed station and the second leading screw fixed station at the two ends that are separately fixed at said leading screw.
7. linear servo slide unit according to claim 1 is characterized in that, also comprises:
The drag chain that is fixed on said base both sides is laid platform;
Be fixed on the drag chain installing rack of said workbench one side;
Drag chain, the one of which end is connected with said drag chain installing rack, and the other end is laid platform with said drag chain and is connected.
CN2011102870570A 2011-10-21 2011-10-21 Linear servo sliding platform Pending CN102814689A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011102870570A CN102814689A (en) 2011-10-21 2011-10-21 Linear servo sliding platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102870570A CN102814689A (en) 2011-10-21 2011-10-21 Linear servo sliding platform

Publications (1)

Publication Number Publication Date
CN102814689A true CN102814689A (en) 2012-12-12

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103464904A (en) * 2013-09-06 2013-12-25 苏州凯欧机械科技有限公司 Linear positioning equipment with linear coding device
CN105071589A (en) * 2015-08-14 2015-11-18 苏州玖典智能科技有限公司 Rapid and accurate linear movement device
CN105252508A (en) * 2015-11-12 2016-01-20 中国船舶重工集团公司第七一六研究所 Double-station reciprocating motion type material table equipment
CN107985930A (en) * 2017-12-25 2018-05-04 无锡特恒科技有限公司 Module mechanism for screw feeding
EP4342413A4 (en) * 2022-08-08 2024-05-15 Shenzhen Institute of Advanced Biomedical Robot Co., Ltd. Slave end driving device of interventional surgical robot and elongated medical instrument delivery method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826542A (en) * 1981-08-05 1983-02-17 Fuji Xerox Co Ltd Supporting bracket for motor
US5704250A (en) * 1996-04-04 1998-01-06 Western Atlas, Inc. Ball screw drive with dynamically adjustable preload
CN1558533A (en) * 2004-02-09 2004-12-29 南京晨光集团有限责任公司 A driven and driving integrated rectilinear motion electromechanical actuating device
CN201125944Y (en) * 2007-11-30 2008-10-01 天永机械电子(上海)有限公司 Accurate rectilinear movement sliding table
CN101707421A (en) * 2009-11-23 2010-05-12 永济新时速电机电器有限责任公司 Rotor coil binding machine of wind power generator
CN102152131A (en) * 2011-02-28 2011-08-17 西安理工大学 Series macro-micro driving and guiding device for piezoelectric actuator of ball screw pair

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826542A (en) * 1981-08-05 1983-02-17 Fuji Xerox Co Ltd Supporting bracket for motor
US5704250A (en) * 1996-04-04 1998-01-06 Western Atlas, Inc. Ball screw drive with dynamically adjustable preload
CN1558533A (en) * 2004-02-09 2004-12-29 南京晨光集团有限责任公司 A driven and driving integrated rectilinear motion electromechanical actuating device
CN201125944Y (en) * 2007-11-30 2008-10-01 天永机械电子(上海)有限公司 Accurate rectilinear movement sliding table
CN101707421A (en) * 2009-11-23 2010-05-12 永济新时速电机电器有限责任公司 Rotor coil binding machine of wind power generator
CN102152131A (en) * 2011-02-28 2011-08-17 西安理工大学 Series macro-micro driving and guiding device for piezoelectric actuator of ball screw pair

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103464904A (en) * 2013-09-06 2013-12-25 苏州凯欧机械科技有限公司 Linear positioning equipment with linear coding device
CN105071589A (en) * 2015-08-14 2015-11-18 苏州玖典智能科技有限公司 Rapid and accurate linear movement device
CN105252508A (en) * 2015-11-12 2016-01-20 中国船舶重工集团公司第七一六研究所 Double-station reciprocating motion type material table equipment
CN107985930A (en) * 2017-12-25 2018-05-04 无锡特恒科技有限公司 Module mechanism for screw feeding
EP4342413A4 (en) * 2022-08-08 2024-05-15 Shenzhen Institute of Advanced Biomedical Robot Co., Ltd. Slave end driving device of interventional surgical robot and elongated medical instrument delivery method

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Address after: 201600, No. 368, No. 6, Xing Xing Road, Shanghai, Songjiang District

Applicant after: Beilu Electromechanical (Shanghai) Co., Ltd.

Address before: 201600, No. 368, No. 6, Xing Xing Road, Shanghai, Songjiang District

Applicant before: Shanghai Beilu Electromechanical Co.,Ltd.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: SHANGHAI BEILU ELECTROMECHANICAL CO., LTD. TO: BEILU ELECTROMECHANICAL (SHANGHAI) CO., LTD.

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20121212