CN1174303A - Electric actuator - Google Patents
Electric actuator Download PDFInfo
- 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
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- electric actuator
- pedestal
- guiding
- encoder
- power unit
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 48
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
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.
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.
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.
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.
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 |
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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 |
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CN (1) | CN1174303A (en) |
Cited By (14)
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 |
-
1996
- 1996-08-19 CN CN 96111824 patent/CN1174303A/en active Pending
Cited By (19)
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 |
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