CN1174303A - Electric actuator - Google Patents

Electric actuator Download PDF

Info

Publication number
CN1174303A
CN1174303A CN 96111824 CN96111824A CN1174303A CN 1174303 A CN1174303 A CN 1174303A CN 96111824 CN96111824 CN 96111824 CN 96111824 A CN96111824 A CN 96111824A CN 1174303 A CN1174303 A CN 1174303A
Authority
CN
China
Prior art keywords
electric actuator
pedestal
guiding
encoder
power unit
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN 96111824
Other languages
Chinese (zh)
Inventor
永井茂和
川本敕
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.)
SMC Corp
Original Assignee
SMC Corp
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 SMC Corp filed Critical SMC Corp
Priority to CN 96111824 priority Critical patent/CN1174303A/en
Publication of CN1174303A publication Critical patent/CN1174303A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Transmission Devices (AREA)

Abstract

An electric actuator has an enlongate base, a power unit and an encoder device which are fixedly mounted on respective opposite ends of the base in confronting relation to each other, a slide table displaceable longitudinally along the base, a ball screw for transmitting rotational power from the power unit to the slide table, and a pair of guide lands integral with the base for guiding the slide table longitudinally along the base.

Description

Electric actuator
The present invention relates to have can be in response to the operation of rotating power unit the electric actuator of mobile sliding platform.
Electric actuator is used as the device of conveying work pieces always so far.A kind of conventional design of this electric actuator is to constitute by such structure basically: an elongated frame, place the motor of this frame, be used for the ball screw that rotatablely moves and be converted to linear motion and linear motion sent to another parts that motor is produced, be fixedly mounted on the pair of parallel guide rail of frame upper surface, and the sliding platform that can be moved and be guided by guide rail along stands longitudinal by ball screw.
Ball screw is supported by bearing rotation at the one end.Motor has through the coaxial motor reel that links to each other of the coupling and the other end of ball screw.One encoder is placed in the angular displacement that is used for detecting motor near the motor place, rotational speed etc.
The frame of conventional electric actuator is made of aluminum thereby its rigidity is relatively poor relatively.Therefore, in fact the degree of accuracy of the linearity of sliding platform and parallelism depends on the guide rail of being made by the big stainless steel of rigidity.The height of conventional electric actuator or the height that vertical dimension equals frame with and be fixedly mounted on the height sum of the guide rail on the frame upper surface.Can not when keeping it to require high degree of rigidity, limit the height of electric actuator.
Because frame and guide rail are separating components, conventional electric actuator thereby form by the parts of relatively large number, and assemble by more relatively step, thereby manufacture more expensive.
Another problem of conventional electric actuator is when assembling, ball screw must be with complicated step aligned position accurately, because ball screw must be arranged to coaxial mutually with motor reel and be linked to each other by coupling, and ball screw need be arranged along the axle of frame.
A kind of height or vertical dimension with qualification that provide of catalogue of the present invention keeps desired high degree of rigidity and the electric actuator that can make cheaply simultaneously again.
Main purpose of the present invention provides a kind of ball screw aligned position and permission ball screw of not requiring and easily assembles electric actuator in place.
Above-mentioned target of the present invention and other purposes, it is obvious that characteristic and advantage will become by the introduction of carrying out below in conjunction with the accompanying drawing of explaining most preferred embodiment of the present invention by way of example.
Fig. 1 is the perspective exploded view according to the electric actuator of the first embodiment of the present invention;
Fig. 2 is the cross-sectional view that the straight line II--II from Fig. 1 is got;
Fig. 3 is the perspective exploded view of electric actuator according to a second embodiment of the present invention;
Fig. 4 is the perspective exploded view of electric actuator shown in Figure 3;
Fig. 5 is the cross-sectional view that the straight line V--V from Fig. 3 is got;
Fig. 6 is the front view of the motor field frame of electric actuator shown in Figure 3;
Fig. 7 is the longitudinal section of the driver element of electric actuator shown in Figure 3;
Fig. 8 is the partial section of the driver element of electric actuator shown in Figure 3;
Fig. 9 is the sectional view that the straight line IX--IX from Fig. 8 is got; And
Figure 10 is the partial section of the encoder of electric actuator shown in Figure 3;
As shown in Figure 1, electric actuator 10 according to the first embodiment of the present invention comprises elongated bases 12, ball screw 16 in the elongated slot 14 that longitudinal bracing is determined on the upper surface of pedestal 12, be used for making ball screw 16 to be installed in the vertically power unit 18 of end of pedestal one rotatably along the axle of oneself, be installed in pedestal 12 another encoder apparatus 20 of vertically holding, and the lid 22 that covers the groove 14 of pedestal 12.
Lid 22 comprises the top cover 24 of the upper surface that covers pedestal 12 and is connected in vertically end and cover the two relative a pair of side covers of vertically holding 26,27 of pedestal 12 respectively of 24 liang of top covers respectively.Defining window 28 on the side cover 26 is used for making the lead-in wire (not shown) that is electrically connected with power unit 18 and coder 20 therefrom to pass through.Electric actuator 10 also has the slide mechanism 30 that can vertically move along pedestal 12 in response to the rotation of ball screw 16, the mobile guiding that also is subjected to have by relation relative to each other in ball screw 16 every sides a pair of two pairs of bearing part (back will be introduced) simultaneously of this slide mechanism.
Pedestal 12 is the single structures that adopt stamping process (drawing process) to make with steel (SPC) or other similar material, thereby has high degree of rigidity.Pedestal 12 has C-channel shape cross section, and comprise a pair of at the stupefied limit 32a of the spaced-apart vertical guiding of the horizontal direction of pedestal 12,32b, and at the vertical stupefied limit 32a of guiding, the flat board 34 that extends between the 32b.Guide stupefied limit 32a, 32b has relative inner wall surface, has basic for the V-arrangement cross section and along its groove 36a that vertically determines, 36b on it respectively.Bearing part (back will be introduced) rolls in the 36b at groove 36a.
Power unit 18 comprises motor field frame 40, it has along pedestal 12 laterally stretches out disconnected from each otherly and is separately fixed at the stupefied limit 32a of guiding, the a pair of arm 38a of the upper surface of 32b, 38b, and motor unit 44 is positioned in the through hole of axially determining in motor field frame 40 42.Motor field frame 40 forms by aluminium extrusion is molded ideally.Motor unit 44 has the basic columniform rotor of formation motor and the housing of stator (not shown) of being built-in with that be.Motor has and is installed with rotor on it and does not need coupling and the whole coaxial motor reel that links to each other with an end of ball screw 16.
Encoder apparatus 20 comprises an encoder housing 46, it has along pedestal 12 laterally stretches out disconnected from each otherly and is separately fixed at the stupefied limit 32a of guiding, the a pair of arm 38a of the upper surface of 32b, 38b, and cell encoder 50 is positioned in the through hole of determining vertically in encoder housing 46 48.Encoder housing 46 forms by aluminium extrusion is molded ideally.Cell encoder 50 has substantially and is used for detecting motor for columniform being built-in with, and then detects the angular displacement of ball screw 16, the housing of the rotating coder (not shown) of rotational speed etc.Rotating coder has does not need coupling and encoder axle that the whole the other end coaxial and ball screw 16 links to each other.The hole of determining in motor field frame 40 and encoder housing 46 42,48 has mutual essentially identical diameter respectively.
Be positioned on the hole of in motor field frame 40 and encoder housing 46, determining respectively 42 when motor unit 44 and cell encoder 50, in 48, and motor field frame 40 and encoder housing 46 is by arm 38a, when 38b is fixed on the corresponding vertical end of pedestal 12, the motor reel of power unit 18, ball screw 16, and the encoder axle of encoder apparatus 20 is by mutual coaxial alignment.As a result, motor unit 44 and cell encoder 50 can easily be assembled on the pedestal 12 and the operation that do not need motor reel and ball screw 16 are aimed at.
Slide mechanism 30 comprises be used for coming by the attaching hole (not shown) of determining the sliding platform 52 of supporting workpiece on the upper surface of sliding platform 52.Sliding platform 52 comprise a pair of can be at the stupefied limit 32a of the corresponding guiding of pedestal 12,32b slide block 54a last and that slide along their, 54b, and with slide block 54a, 54b is whole to link to each other and the support piece 56 of horizontal expansion between them.Support piece to have the perforate of determining therebetween 58, it extends along the axial direction of ball screw 16.Perforate 58 supports to be the columniform drive tab 60 that is through on the ball screw 16 substantially therein.
As shown in Figure 2, slide block 54a, 54b support two pairs of fixing non-concentric bearings parts 62,64 respectively, and they are isolated from each other and relative to each other and be fixed on slide block 54a, on the 54b.Fixing non-concentric bearings parts 62,64 comprise having inclination external peripheral surface 66 accordingly and guiding stupefied limit 32a, groove 36a on the 32b, the propelling sheave 68 that rolls and walk in the 36b, corresponding propelling sheave 68 is thereon by ball bearing 70 rotatably supported sleeve pipe 71a, 71b, make sleeve pipe 71a, 71b is fixed on slide block 54a, the corresponding bolts 72 on the 54b, and be screwed in nut 74 on the respective bolt 72.
In each rigid bearing parts 62, bolt 72 axially aligns with sleeve pipe 71a.In each non-concentric bearings parts 64, the axle A of bolt 72 departs from the axis of the axle B of sleeve pipe 71b.Therefore, when bolt 72 rotated around its A, sleeve pipe 71b rotated around its B, thereby regulated the angle that propelling sheave 68 rolls in groove 36b and meshes.Because the propelling sheave 68 of fixing non-concentric bearings parts 62,64 is positioned at the stupefied limit 32a of guiding in the side mode, the relative inner wall surface place of 32b, thereby the height of propelling sheave 68 do not had undue restriction.
Electric actuator 10 is assembled as follows:
Shape is that columniform motor unit 44 and cell encoder 50 are installed in respectively respectively in the through hole of determining on motor field frame 40 and the encoder housing 46 42,48 substantially.Then, the screw (not shown) is penetrated at arm 38a, in the last screw hole of determining of 38b, motor field frame 40 is fixed on the upper surface of pedestal 12 at two relative vertical ends with encoder housing 46.
Power unit 18, ball screw 16, and encoder apparatus 20 is fixed on motor field frame 40 and encoder housing 46 on the pedestal 12 and simply by mutual coaxial alignment by above-mentioned.Power unit 18 as a result, and ball screw 16, and encoder apparatus 20 can easily be assembled by the coaxial alignment mode is aligned with each other making it because needn't adjust them again.
Introduce the operation of electric actuator 10 below.
The power supply that the motor of connection and power unit 18 is electrically connected is powered to motor.Ball screw 16 rotates around its oneself axle, thereby makes drive tab 60 that sliding platform 52 is also vertically moved along pedestal 12 along ball screw 16.Sliding platform 52 thereby can the workpiece that carry on it be transmitted required distance along electric actuator 10.
Because the stupefied limit 32a of guiding relative to each other, 32b and pedestal 12 whole formation, electric actuator 10 is independent mutually with frame and guide rail, and the conventional electric actuator that assembles is again compared has littler height or vertical dimension.Electric actuator 10 thereby less relatively and light is made up of less relatively parts, and can relatively inexpensively make.
With reference to Fig. 3 to Figure 10 according to a second embodiment of the present invention electric actuator 80 is introduced below.Among Fig. 3 to 10 those with Fig. 1 and Fig. 2 in identical parts represent with identical reference number and following no longer to they detailed introductions.
Electric actuator 80 according to a second embodiment of the present invention and difference according to the electric actuator 10 of the first embodiment of the present invention are that a stupefied limit 86 of elongated guiding and a vertical limit of the flat board 84 of elongated bases 82 are whole and form and along this vertical limit extension, the elongate guide rails 88 of separating with pedestal 82 is fixedly mounted on dull and stereotyped 84 the vertical limit of offside and along this vertical limit extends, and the shape of guide rail 88 is basic identical with the shape on the stupefied limit 86 of guiding.
Electric actuator 80 according to a second embodiment of the present invention comprises elongated bases 82 substantially, the ball screw 16 of longitudinal bracing on pedestal 82 upper surfaces, be used for making the power unit 90 that be installed in pedestal 82 one vertical ends of ball screw 16 along the axle rotation of oneself, be installed in pedestal 82 another encoder apparatus 92 of vertically holding, and the lid 22 that covers pedestal 82 upper surfaces.Electric actuator 80 also has the slide mechanism 94 that can vertically move along pedestal 82 in response to the rotation of ball screw 16, the mobile guiding that is four drive tab 93 of two pairs that also is subjected to lay respectively at by relation relative to each other ball screw 16 every sides simultaneously of this slide mechanism.The ball bearing (not shown) that drive tab 93 has accordingly in guide groove 96 (below will be introduced) and rolls and rotate along its.
Pedestal 82 is the single structures that adopt stamping process to make with steel (SPC) or similar material, thereby has high degree of rigidity.The stupefied limit 86 of the guiding that protrudes upward forms with vertical limit integral body of flat board 84.Guide rail 88 is fixed on the upper surface of dull and stereotyped 84 opposite side, and it is being spaced laterally apart (see figure 4) with the stupefied limit 86 of guiding.Guide stupefied limit 86 and have the relative inner wall surface that defines corresponding vertical guide groove 96 on it with guide rail 88.Drive tab 93 is installed on stupefied limit 86 of guiding and the guide rail 88 movably, and the ball bearing of drive tab 93 just rolls in guide groove 96 like this.Drive tab 93 is of similar shape.Guide rail 88 has self-aligning function ideally and aims at guide rail 88 to keep corresponding drive tab 93.Automatic alignment function like this allows the contact surface of guide rail 88 by bigger tolerance processing.
Power unit 90 comprises having a pair of arm 98a, the motor field frame 100 of 98b, they are along the pedestal 82 horizontal upper surfaces that stretch out and be separately fixed at stupefied limit 86 of guiding and guide rail 88 disconnected from each otherly, and motor unit 104 is positioned in the perforate of axially determining in motor field frame 100 102.Motor field frame 100 forms and has fitting recess 106 (see figure 4)s in the curve inner wall surface of perforate 102 by aluminium extrusion is molded ideally.Pedestal 82 defines substantially at its vertical end upper surface and is the groove 108 of rectangle, and power unit 90 is installed in wherein.Motor field frame 100 has lower surface 110 (see figure 5)s that are assemblied in the groove 108, and therefore pedestal 82 firmly fixes (see figure 9) relatively.
Extremely shown in Figure 9 as Fig. 7, motor unit 104 has the housing 112 that is in the perforate 102, be arranged in the bearing 116 of housing 112, link to each other with the coaxial integral body of an end of ball screw 16 and by the motor reel 114 of bearing 116 rotational support, be fixedly mounted on the rotor 118 on the motor reel 114, and be fixedly mounted on the laminated stator 120 on the inner wall surface of housing 112.Stator 120 and rotor 118 constitute motor.Ring baffle 122 is assemblied in an end of housing 112.Ripple packing ring (wavewasher) 124 is positioned at housing 112 and near an end of bearing 116.
As shown in Figure 4, encoder apparatus 92 comprises having a pair of arm 98a that laterally stretches out disconnected from each otherly and be separately fixed at the upper surface of stupefied limit 86 of guiding and guide rail 88 along pedestal 82, the encoder housing 126 of 98b, and be positioned in cell encoder 130 in the perforate of determining in encoder housing 126 128.Encoder housing 126 forms and has fitting recess 106 in the curve inner wall surface of perforate 128 by aluminium extrusion is molded ideally.Encoder housing 126 is positioned on the pedestal 82, and the lower surface 110 of encoder housing 126 is positioned in basic in the groove 108 of rectangle that one of encoder apparatus 92 pedestal 82 mounted thereto vertically determines on the upper surface of end.
As Fig. 7 and shown in Figure 10, cell encoder 130 comprises the bearing 132 of rotational support ball screw 16, the basic of radial journal bearing 132 is columniform support piece 134, it is installed in the one jiao of position (see figure 10) that is assembled in the fitting recess 106 that makes it, be incorporated in its terminal end cap piece 138 of supporting ring baffle 136 with supporting piece 134 knots, and have and the integrally formed encoder axle 140 in the opposite end of ball screw 16, be used for detecting motor, and then the angular displacement of detection ball screw 16, the rotating coder 142 of rotational speed etc.
The shape of motor field frame 100 and encoder housing 126 is basic identical mutually, and the substantially also mutual consistent (see figure 6) of diameter of the perforate of determining thereon respectively 102,128.When motor unit 104 and cell encoder 130 are assembled in corresponding perforate 102, in 128, and motor field frame 100 and encoder housing 126 are located by being assemblied in the corresponding groove 108, and by arm 98a, when 98b is fixed on the corresponding vertical end of pedestal 82, the motor reel of power unit 90, ball screw 16, and encoder apparatus 92 is by mutual coaxial alignment.As a result, power unit 90 and encoder apparatus 92 can easily be assembled on the pedestal 82 and the operation that do not need motor reel and ball screw 16 are aimed at.
Slide mechanism 94 comprises be used for coming by the attaching hole (not shown) of determining the sliding platform 144 of supporting workpiece on the upper surface of sliding platform 144.Sliding platform 144 comprises a pair of slide block 146a of can be on stupefied limit 86 of corresponding guiding and guide rail 88 and sliding along their, 146b, and with slide block 146a, 146b is whole to link to each other and the support piece 148 of horizontal expansion between them. Slide block 146a, 146b are installed in corresponding drive tab on 93.Support piece 148 to have the perforate of determining therebetween 150, it extends along the axial direction of ball screw 16.Perforate 150 is supported to be through the drive tab 152 on the ball screw 16 and to have the flange 154 that is fixed on support piece 148 1 ends for columniform substantially therein.
Other structural details of electric actuator 80 according to a second embodiment of the present invention, operation, identical with characteristics with electric actuator 10 according to the first embodiment of the present invention, below will be no longer to its detailed introduction.
Electric actuator 10,80 provides following characteristics:
Electric actuator 10,80 is less relatively lighter, because its height or longitudinal size can be defined and can keep high degree of rigidity simultaneously.
Form because at least one stupefied limit of guiding and support are whole, electric actuator 10,80 is made up of the parts of relative lesser amt and is assembled by less relatively step, thereby can make relatively more cheaply.
Owing to do not need special alignment process to make ball screw 16 and power unit 18,90 and encoder apparatus 20,92 coaxial alignments, so ball screw 16 can easily be positioned and assemble.
Though certain most preferred embodiment of the present invention is represented in detail and is introduced, should know the various changes and the modification that can it not deviated from the scope of following claim.

Claims (8)

1. an electric actuator comprises:
One elongated bases (12,82);
Have to be slidably mounted in and be used for the slide mechanism (30,94) of the sliding platform (52,144) that vertically moves along it on the described elongated bases (12,82);
Be fixedly mounted on vertical end of described elongated bases (12,82), be used for vertically moving the rotary power unit (18,90) of described sliding platform (52,144) along described elongated bases (12,82);
Be fixedly mounted on relative vertical end of described elongated bases (12,82), be used for detecting the detection device (20,92) of the rotation numerical of described rotary power unit (18,90);
With described slide mechanism (30,94), described rotary power unit (18,90) and described detection device (20,92) link to each other, be used for the rotating power of described rotary power unit (18,90) is sent to the power transmission (16) of described sliding platform (52,144); And
Integral installation is used for vertically guiding along described elongated bases (12,82) guide device (32a, 32b, 86) of described sliding platform (52,144) on described pedestal (12,82).
2. according to the electric actuator of claim 1, wherein said guide device comprises that a pair of (32a, 32b), (32a is an one with described pedestal (12) 32b) on described guiding stupefied limit along described pedestal (12) longitudinal extension and the laterally spaced-apart stupefied limit of guiding.
3. according to the electric actuator of claim 1, wherein said guide device comprise one along described pedestal (12) longitudinal extension and with described pedestal (12) for one the stupefied limit of guiding (86), comprise that also one separates but guide rail (88) fixed thereon along described pedestal (12) longitudinal extension and with described pedestal (12), the stupefied limit of described guiding (86) and described guide rail (88) are by laterally spaced-apart.
4. according to the electric actuator of claim 1, wherein said rotary power unit (18,90) comprise and be installed in described pedestal (12,82) also define perforate (42 thereon, 102) electric machine casing (40,100), and be assemblied in described perforate (42,102) electric motor units (44 in, 104), and described detection device (20,92) comprise and be installed in described pedestal (12,82) also define perforate (48 thereon, 128) encoder housing (46,126), and be assemblied in described perforate (48,128) cell encoder (50 in, 130), and wherein said electric machine casing (40,100) and described encoder housing (46,126) shape is basic identical mutually, and described perforate (42,102) and the described encoder housing (46 in described electric machine casing (40,100), determined, 126) the described perforate of determining in (48,128) determine the mutual basically identical of size.
5. according to the electric actuator of claim 2, stupefied limit (the 32a of wherein said guiding, 32b) has definite corresponding grooves (36a on its corresponding relative inner wall surface, 36b), comprise that also at least one pair of is installed in described sliding platform (52) and goes up and embed respectively described groove (36a, bearing part 36b) (62,64) is used for vertically guiding described sliding platform (52) along described elongated bases (12).
6. according to the electric actuator of claim 5, wherein said bearing part comprises the rigid bearing parts (62) that are fixedly mounted on the described slide mechanism (30) and adjustable the non-concentric bearings parts (64) that are installed on the described slide mechanism (30).
7. according to the electric actuator of claim 1, wherein said rotary power unit comprises motor shaft (114), and described detection device comprises encoder axle (140), described power transmission comprises with described motor shaft (114) and described encoder axle (140) and is the ball screw rod (16) of one, wherein said ball screw rod (16), described motor shaft (114) and described encoder axle (140) be coaxial alignment mutually.
8. according to the electric actuator of claim 1, wherein said sliding platform (52,144) have a pair of can be along described guide device (32a, 32b, 86) a pair of slide blocks (54a of Hua Donging, 54b, 146a, 146b) and with described slide blocks (54a, 54b, 146a, 146b) whole linking to each other and the support piece (56,148) of horizontal expansion between it.
CN 96111824 1996-08-19 1996-08-19 Electric actuator Pending CN1174303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96111824 CN1174303A (en) 1996-08-19 1996-08-19 Electric actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96111824 CN1174303A (en) 1996-08-19 1996-08-19 Electric actuator

Publications (1)

Publication Number Publication Date
CN1174303A true CN1174303A (en) 1998-02-25

Family

ID=5121262

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96111824 Pending CN1174303A (en) 1996-08-19 1996-08-19 Electric actuator

Country Status (1)

Country Link
CN (1) CN1174303A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008031274A1 (en) * 2006-09-12 2008-03-20 Kuo-An Wang Adjusting device for seating and reclining furniture
CN100410566C (en) * 2003-10-02 2008-08-13 弗雷西亚汽车座椅公司 Screw rod adjusting device, sliding apparatus with such adjusting device and chair with such sliding apparatus
CN101191542B (en) * 2006-11-28 2010-05-12 湖北京山轻工机械股份有限公司 Power dragging apparatus
CN102501230A (en) * 2011-10-28 2012-06-20 中国工程物理研究院应用电子学研究所 Multi-degree-of-freedom vibration isolation bearing platform
CN103266056A (en) * 2013-04-26 2013-08-28 江苏瑞祺生命科学仪器有限公司 Precision micromanipulation platform
CN103730979A (en) * 2014-01-04 2014-04-16 力姆泰克(北京)传动设备有限公司 Integrated servo electric cylinder
CN104421392A (en) * 2013-08-26 2015-03-18 罗伯特·博世有限公司 Linear motion device
WO2015051615A1 (en) * 2013-10-10 2015-04-16 何少敦 Sliding block type electric push rod
CN104703752A (en) * 2012-09-27 2015-06-10 李琮基 Screw assembly and transport apparatus including same
CN107695701A (en) * 2017-08-15 2018-02-16 高邮市永发机械有限公司 One kind is automatically positioned milling machine table
CN109038938A (en) * 2018-07-02 2018-12-18 黄河水利职业技术学院 A kind of mechanical electric positioning device
CN109936252A (en) * 2019-02-20 2019-06-25 南方科技大学 Linear motion module and multi-shaft series and parallel motion device
CN110679069A (en) * 2018-10-17 2020-01-10 炼马机电(东莞)有限公司 Driver
CN111712351A (en) * 2018-04-16 2020-09-25 星精密株式会社 Machine tool

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100410566C (en) * 2003-10-02 2008-08-13 弗雷西亚汽车座椅公司 Screw rod adjusting device, sliding apparatus with such adjusting device and chair with such sliding apparatus
US8028595B2 (en) 2006-09-12 2011-10-04 Kuo-An Wang Adjusting device for seating and reclining furniture
WO2008031274A1 (en) * 2006-09-12 2008-03-20 Kuo-An Wang Adjusting device for seating and reclining furniture
CN101191542B (en) * 2006-11-28 2010-05-12 湖北京山轻工机械股份有限公司 Power dragging apparatus
CN102501230A (en) * 2011-10-28 2012-06-20 中国工程物理研究院应用电子学研究所 Multi-degree-of-freedom vibration isolation bearing platform
CN104703752A (en) * 2012-09-27 2015-06-10 李琮基 Screw assembly and transport apparatus including same
CN103266056A (en) * 2013-04-26 2013-08-28 江苏瑞祺生命科学仪器有限公司 Precision micromanipulation platform
CN104421392B (en) * 2013-08-26 2018-07-10 罗伯特·博世有限公司 Linear motion device
CN104421392A (en) * 2013-08-26 2015-03-18 罗伯特·博世有限公司 Linear motion device
WO2015051615A1 (en) * 2013-10-10 2015-04-16 何少敦 Sliding block type electric push rod
CN103730979A (en) * 2014-01-04 2014-04-16 力姆泰克(北京)传动设备有限公司 Integrated servo electric cylinder
CN103730979B (en) * 2014-01-04 2019-01-29 力姆泰克(北京)传动设备有限公司 Integrated servo electric jar
CN107695701A (en) * 2017-08-15 2018-02-16 高邮市永发机械有限公司 One kind is automatically positioned milling machine table
CN111712351A (en) * 2018-04-16 2020-09-25 星精密株式会社 Machine tool
US11358225B2 (en) 2018-04-16 2022-06-14 Star Micronics Co., Ltd. Machine tool
CN109038938A (en) * 2018-07-02 2018-12-18 黄河水利职业技术学院 A kind of mechanical electric positioning device
CN110679069A (en) * 2018-10-17 2020-01-10 炼马机电(东莞)有限公司 Driver
CN110679069B (en) * 2018-10-17 2021-07-27 炼马机电(东莞)有限公司 Driver
CN109936252A (en) * 2019-02-20 2019-06-25 南方科技大学 Linear motion module and multi-shaft series and parallel motion device

Similar Documents

Publication Publication Date Title
CN1174303A (en) Electric actuator
EP0820834A1 (en) Electric actuator
CN1116730C (en) Actuator
CN100340899C (en) double-optical-wedge beam deflection mechanical device
TWI439338B (en) Pipe processing device having floating drive roller
CN1180188C (en) Floating bearing
CN1062035A (en) 3 D measuring instrument
CN218051353U (en) Cutting device is used in bearing steel processing with prevent displacement mechanism
CN1252368C (en) Sliding gate movement system
JPH1148064A (en) Table elevating and sinking device
CN114043455A (en) Small-size industrial desktop mechanical arm and base, robot thereof
CN116787363A (en) Compressing equipment for sleeving stator parts of magnetic suspension molecular pump
CN115655857A (en) Welding strength detection equipment for lead-out wire of film capacitor
CN1175958C (en) Unit for production of track elements
CN1297060C (en) Motor and manufacture thereof
CN219375327U (en) Left-right inclination angle mechanism of electric operating table
CN115782722A (en) Supporting mechanism and carrying equipment
CN117091788B (en) Frame vibration test bench
CN112809730A (en) Joint movement mechanism and robot
CN220050786U (en) Screw tightening mechanism and equipment thereof
CN217508476U (en) High-performance servo lifting column
CN219391840U (en) Detection equipment
CN220540228U (en) Novel adjustable guide rail guiding structure
CN213971186U (en) Movable sliding table
CN218568911U (en) Positioning device and automatic optical detection equipment

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication