CN103551902B - Motor is utilized automatically to control the device of slide unit rectilinear motion and accurate stop position - Google Patents

Motor is utilized automatically to control the device of slide unit rectilinear motion and accurate stop position Download PDF

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Publication number
CN103551902B
CN103551902B CN201310373482.0A CN201310373482A CN103551902B CN 103551902 B CN103551902 B CN 103551902B CN 201310373482 A CN201310373482 A CN 201310373482A CN 103551902 B CN103551902 B CN 103551902B
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CN
China
Prior art keywords
slide unit
motor
screw mandrel
guide pillar
switch
Prior art date
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Expired - Fee Related
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CN201310373482.0A
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Chinese (zh)
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CN103551902A (en
Inventor
林雄
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FUDING JINXIONG LOCOMOTIVE COMPONENT CO LTD
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FUDING JINXIONG LOCOMOTIVE COMPONENT CO LTD
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Priority to CN201310373482.0A priority Critical patent/CN103551902B/en
Publication of CN103551902A publication Critical patent/CN103551902A/en
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Publication of CN103551902B publication Critical patent/CN103551902B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/52Limiting feed movement

Abstract

The present invention relates to a kind of device utilizing motor automatically to control slide unit rectilinear motion and accurate stop position, it comprises slide unit straight-line motion mechanism and is used for controlling the screw mandrel drived control mechanism of slide unit rectilinear motion; Slide unit straight-line motion mechanism comprises lathe bed, the guide rail be fixed on lathe bed, can the slide unit of opposite rail alternating translational and the nut that is fixedly installed on slide unit; Screw mandrel drived control mechanism comprises motor, drives rotation by the rotating shaft of motor and the screw mandrel be connected with nut thread; It is characterized in that: lathe bed or guide rail are provided with the limit assembly for limiting slide unit preset stopping position, described screw mandrel drived control mechanism also comprises and is arranged at being used between motor and screw mandrel and controls motor and screw mandrel work and then control the slide unit that slide unit accurately stops at preset stopping position accurately to stop Control Component.The present invention can not only accurately controlling sliding table stop position, and the positional repeatability that slide unit stops is high.

Description

Motor is utilized automatically to control the device of slide unit rectilinear motion and accurate stop position
Technical field:
The present invention relates to the slide unit position control in a kind of plant equipment, particularly a kind of device utilizing motor automatically to control slide unit rectilinear motion and accurate stop position.
Background technology:
The Electric Machine Control slide unit used in existing machinery equipment is retreated, generally by three phase electric machine, speed changer, screw up and form through the screw mandrel of nut, travel switch, the slide unit that is fixed on guide rail on lathe bed and opposite rail movement, nut is fixed on slide unit, motor is rotated by transmission control screw mandrel, control slide unit to move forward and backward, encounter travel switch, motor stops, due to inertia and travel switch reaction time error, the exact position that slide unit will stop needs dynamic the making up of armrest just can reach.
The defect of this existing structure is: need manually to make up the position controlling slide unit, repeat efficiency low, cannot automatic operating.And also have a kind of known structure in addition, its uses servomotor and precise ball screw to mix PLC or System Programming to control slide unit rectilinear motion and accurate stop position, this structure not only cost is high, and be in non-clamping stationary state during slide unit stopping, there is gap with guide rail, causes the defects such as rigidity is not enough.
Summary of the invention:
The object of the invention is to overcome above-mentioned defect; a kind of device utilizing motor automatically to control slide unit rectilinear motion and accurate stop position is provided; this device utilizes driven by motor screw mandrel; control slide unit rectilinear motion; after meeting spacing being obstructed, slide unit stops mobile; and screw mandrel whole motor of ining succession continues to retreat or advance and compress corresponding spring, touch corresponding travel switch shutdown and reach accurately controlling sliding table stop position.This device can not only accurately controlling sliding table stop position, and the positional repeatability that slide unit stops is high.
In order to realize foregoing invention object, technical solution of the present invention forms like this: a kind of device utilizing motor automatically to control slide unit rectilinear motion and accurate stop position, and it comprises slide unit straight-line motion mechanism and is used for controlling the screw mandrel drived control mechanism of slide unit rectilinear motion; Described slide unit straight-line motion mechanism comprises lathe bed, the guide rail be fixed on lathe bed, can the slide unit of opposite rail alternating translational and the nut that is fixedly installed on slide unit; Described screw mandrel drived control mechanism comprises motor, drives rotation by the rotating shaft of motor and the screw mandrel be connected with nut thread; It is characterized in that: described lathe bed or guide rail are provided with the limit assembly for limiting slide unit preset stopping position, described screw mandrel drived control mechanism also comprises and is arranged at being used between motor and screw mandrel and controls motor and screw mandrel work and then control the slide unit that slide unit accurately stops at preset stopping position accurately to stop Control Component.
The rear and front end of described screw mandrel is respectively provided with one section of cylinder optical axis section, and described lathe bed is provided with front support seat for being connected with the cylinder optical axis section activity of screw mandrel rear and front end respectively and rear branching holder;
The external circuit controller that described slide unit accurately stops Control Component comprising motor fixing plate, guide pillar plate, guide pillar, rear extractor, advance spring, forward stroke switch, advance switch collision block, backward travel switch, retrogressing switch collision block and be connected with motor; On the housing that described motor fixing plate is fixedly installed in motor and between motor and front support seat; Described guide pillar plate is positioned at the opposite side of front support seat; Guide pillar is parallel with screw mandrel, and the front end of guide pillar is fixedly connected with motor fixing plate, stage casing and the through hole sliding connection be located on front support seat of guide pillar, and the rear end of guide pillar is fixedly connected with guide pillar plate; Retrogressing spring housing is placed in guide pillar periphery and two ends act between motor fixing plate and front support seat, advance spring housing is placed in guide pillar periphery and two ends act between front support seat and guide pillar plate, forward stroke switch is installed on front support seat, advance switch collision block is installed on guide pillar plate, forward stroke switch is corresponding with the position of advance switch collision block, forward stroke switch is connected with external circuit controller and realizes following functions: when advance switch collision block touches forward stroke switch, and trigger external circuit controller controls motor stalls; Backward travel switch is installed on supporting base, retreating switch collision block is installed on motor fixing plate, backward travel switch is corresponding with the position retreating switch collision block, backward travel switch is connected with external circuit controller and realizes following functions: when retreating switch collision block and touching backward travel switch, and trigger external circuit controller controls motor stalls;
The cylinder optical axis section of screw mandrel front end becomes contactless matched in clearance with motor fixing plate with the through hole on guide pillar plate.
Be connected to prevent from departing from rear branching holder in screw mandrel moving process, the cylinder optical axis section of screw mandrel rear end is passed rear branching holder backward and exposes a segment length, and when advance spring is in uncompressed and extended state, this length exposed is not less than the distance of forward stroke switch and advance switch collision block contact point.Certainly, if the length long enough of rear branching holder, can guarantee not depart from rear branching holder in screw mandrel moving process to be connected, the cylinder optical axis section of screw mandrel rear end also can not expose rear branching holder backward.
Described limit assembly comprise be fixed on being used on front side of guide rail or lathe bed limit slide unit initial preset stop position initial limited block, to be fixedly installed on initial limited block towards the initial stop screw of slide unit side, to be fixed on and to be used for the end limited block limiting slide unit end preset stopping position and the end stop screw be fixedly installed in towards slide unit side on end limited block on rear side of guide rail or lathe bed.
Described limit assembly also can comprise realizing middle limiting block further and be fixedly installed in the realizing middle limiting screw on realizing middle limiting block, described realizing middle limiting block is a movable limited block by extraneous driving mechanisms control, it can be moved in extraneous driving mechanisms control and realizing middle limiting screw is in for the position of preset stopping position in the middle of restriction slide unit, also can be moved in extraneous driving mechanisms control the position departing from and interfere slide unit to run on guide rail.
Compared to prior art, the present invention has following beneficial effect:
(1) the present invention directly uses limit assembly to control the stop position of slide unit; after slide unit stops; whole motor of ining succession screw mandrel continues to retreat or advance and compress corresponding spring; touch corresponding travel switch to shut down; the pressure that the compression stress of advance spring or rear extractor makes slide unit and limit assembly remain certain, can get rid of gap and the foozle of screw mandrel and nut.Therefore the present invention can not only accurately controlling sliding table stop position, avoid the inertia because motor stops and travel switch reaction time error and affect the accuracy of slide unit stop position, and the positional repeatability that slide unit stops is high.
(2) the present invention not only facilitates Automated condtrol, and simple and reliable for structure.
Accompanying drawing illustrates:
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is structural principle schematic diagram of the present invention.
Fig. 2 is motion principle exemplary plot of the present invention.
Number in the figure illustrates:
101, lathe bed, 102, guide rail, 103, slide unit, 104, nut, 105, front support seat, 106, rear branching holder, 107, initial limited block, 108, end limited block, 109, initial stop screw, 110, end stop screw, 111, realizing middle limiting block, 112, realizing middle limiting screw;
201, motor, 202, screw mandrel, 203, motor fixing plate, 204, guide pillar plate, 205, guide pillar, 206, rear extractor, 207, advance spring, 208, forward stroke switch, 209, advance switch collision block, 210, backward travel switch, 211, retreat switch collision block.
300, workpiece, 301, unit head, 302 No. two unit heads, 303, No. three unit heads.
Detailed description of the invention:
Below in conjunction with Figure of description and specific embodiment, content of the present invention is described in detail:
Be illustrated in figure 1 a kind of example structure schematic diagram utilizing motor automatically to control the device of slide unit rectilinear motion and accurate stop position provided by the present invention, it comprises slide unit straight-line motion mechanism and is used for controlling the screw mandrel drived control mechanism of slide unit rectilinear motion; Described slide unit straight-line motion mechanism comprises lathe bed 101, the guide rail 102 be fixed on lathe bed, can the slide unit 103 of opposite rail alternating translational and the nut 104 that is fixedly installed on slide unit; Described screw mandrel drived control mechanism comprises motor 201, is driven rotate and the screw mandrel 202 be connected with nut 104 threaded engagement by the rotating shaft of motor 201; It is characterized in that: described lathe bed 101 or guide rail 102 are provided with the limit assembly for limiting slide unit 103 preset stopping position, described screw mandrel drived control mechanism also comprises and is arranged at being used between motor 201 and screw mandrel 202 and controls motor 201 and screw mandrel 202 and work and then control the slide unit that slide unit 103 accurately stops at preset stopping position and accurately stop Control Component.
The rear and front end of described screw mandrel 202 is respectively provided with one section of cylinder optical axis section, and described lathe bed 101 is provided with front support seat 105 for being connected with the cylinder optical axis section activity of screw mandrel 202 rear and front end respectively and rear branching holder 106;
The external circuit controller that described slide unit accurately stops Control Component comprising motor fixing plate 203, guide pillar plate 204, guide pillar 205, rear extractor 206, advance spring 207, forward stroke switch 208, advance switch collision block 209, backward travel switch 210, retrogressing switch collision block 211 and be connected with motor 201, on the housing that described motor fixing plate 203 is fixedly installed in motor 201 and between motor 201 and front support seat 105, described guide pillar plate 204 is positioned at the opposite side of front support seat 105, guide pillar 205 is parallel with screw mandrel 202, and the front end of guide pillar 205 is fixedly connected with motor fixing plate 203, stage casing and the through hole sliding connection be located on front support seat 105 of guide pillar 205, and the rear end of guide pillar 205 is fixedly connected with guide pillar plate 204, rear extractor 206 is placed on guide pillar 205 periphery and two ends act between motor fixing plate 203 and front support seat 105, advance spring 207 is placed on guide pillar 205 periphery and two ends act between front support seat 105 and guide pillar plate 204, forward stroke switch 208 is installed on front support seat 105, advance switch collision block 209 is installed on guide pillar plate 204, forward stroke switch 208 is corresponding with the position of advance switch collision block 209, forward stroke switch 208 is connected with external circuit controller and realizes following functions: when advance switch collision block 209 touches forward stroke switch 208, trigger external circuit controller controls motor 201 and stops operating, backward travel switch 210 is installed on supporting base 105, retreating switch collision block 211 is installed on motor fixing plate 203, backward travel switch 210 is corresponding with the position retreating switch collision block 211, backward travel switch 210 is connected with external circuit controller and realizes following functions: when retreating switch collision block 211 and touching backward travel switch 210, and trigger external circuit controller controls motor 201 and stops operating,
The cylinder optical axis section of screw mandrel 202 front end becomes contactless matched in clearance with motor fixing plate 203 with the through hole on guide pillar plate 204.
Described motor 201 can rotate forward and also can reverse under the control of outside circuit controller, can be the brake motor loading onto electromagnetic braking, also can install decelerator additional between the rotating shaft of motor 201 and screw mandrel 202.Described motor fixing plate 203 is that central authorities have a through hole, plane has the discoid part of two stepped holes, and the guide pillar 205 of two step shaft-like is through the stepped hole on motor fixing plate 203: stop bit is in baseplane, the hole place of the large end of this stepped hole.The external diameter of guide pillar 205 and stepped hole secure fit are installed, and entirety is fixedly mounted in the plane of motor 201 end cap.Be exposed at two guide pillars 205 outside motor fixing plate 203, extractor 206 after being respectively set with one, be inconjunction with motor 201 and motor fixing plate 203, overall through two through holes be fixed on before on lathe bed 101 in bearing 105 plane, and movable cooperation is become with these two through holes, through the guide pillar 205 of two through holes in front bearing 105 plane, be respectively set with an advance spring 207, one block of guide pillar plate 204 again and be fixedly connected with two guide pillars 205 one-tenth.
The cylinder optical axis section of screw mandrel 202 rear end is passed rear branching holder 106 backward and exposes a segment length, and when advance spring 207 is in uncompressed and extended state, this length exposed is not less than the distance of forward stroke switch 208 and advance switch collision block 209 contact point.
Described limit assembly comprise be fixed on being used on front side of guide rail 102 or lathe bed 101 limit slide unit 103 initial preset stop position initial limited block 107, to be fixedly installed on initial limited block 107 towards the initial stop screw 109 of slide unit 103 side, to be fixed on and to be used for the end limited block 108 limiting slide unit 103 end preset stopping position and the end stop screw 110 be fixedly installed in towards slide unit 103 side on end limited block 108 on rear side of guide rail 102 or lathe bed 101.
The realizing middle limiting screw 112 that described limit assembly also comprises realizing middle limiting block 111 and is fixedly installed on realizing middle limiting block 111, described realizing middle limiting block 111 is the movable limited blocks by extraneous driving mechanisms control, it can be moved in extraneous driving mechanisms control and make realizing middle limiting screw 112 be in for limiting the position of the middle preset stopping position of slide unit 103, also can be moved in extraneous driving mechanisms control the position departing from and interfere slide unit 103 to run on guide rail 102.
Operation principle of the present invention is described as follows:
Three the automatic drilling unit head circulation automatic drillings be used as in machining for this device below illustrate operation principle of the present invention (as Fig. 2).
Before start, workpiece and three unit head mounting and adjusting put in place, and manual rotation screw mandrel 202 just can accomplish that slide unit 103 is positioned at and initial stop screw 109 contact condition, now, retreat switch collision block 211 and press backward travel switch 210, rear extractor 206 one-tenth compression state.207, advance spring is in relaxed state, forms the state that slide unit 103 tightly heads on initial stop screw 109.The position facing to slide unit 103 is in by the realizing middle limiting screw 112 on the realizing middle limiting block 111 of extraneous driving mechanisms control.
During start, automatic drilling unit head 301 starts, and processes workpiece 300, when terminating return, touches the stopping travel switch on a unit head 301, and interlock external circuit controller, external circuit controller controls motor 201 and drives screw mandrel 202 to rotate.Elastic force by extractor after high compression 206 affects, at the beginning, slide unit 103 is motionless, motor 201 in succession screw mandrel 202, motor fixing plate 203, guide pillar 205, guide pillar plate 204, retreat that switch collision block 211 and advance switch collision block 209 overcome self gravitation and front bearing 105 and guide pillar 205, the frictional force of screw mandrel 202 retreats to away from slide unit 103 direction, continue retrogressing after retrogressing switch collision block 211 departs from backward travel switch 210 before this.Until after the operation of extractor 206 and advance spring 207 and slide unit 103 rub the balance of Lixing Cheng Xin time stop retreating, change slide unit 103 into and advance to realizing middle limiting block 111 direction along guide rail 102.When realizing middle limiting screw 112 encountered by the slide unit 103 of the nut 104 of ining succession in moving, be obstructed and halt, motor 201 screw mandrel 202 of ining succession continues to rotate, reaction force cause motor 201 in succession screw mandrel 202, motor fixing plate 203, guide pillar 205, guide pillar plate 204, retreat that switch collision block 211 and advance switch collision block 209 overcome self gravitation and front bearing 105 and guide pillar 205, the frictional force of screw mandrel 202 retreats to motor 201 direction.Oppress advance spring 207 gradually, simultaneously, extractor 206 loosens gradually, when advance switch collision block 209 encounters forward stroke switch 208, motor 201 power-off that external circuit controller controls shuts down, the rotatory inertia produced during stopping, stop after allowing advance spring 207 continue compression one segment distance, slide unit 103 is rested on tightly head on the realizing middle limiting screw 112 on realizing middle limiting block 111, simultaneously, forward stroke switch 208 coordinated signals No. two unit heads 302 and is started, and processes workpiece 300.When terminating return, touch the stopping travel switch on No. two unit heads 302, interlock external circuit controller makes motor 201 reverse, the time meter electrical equipment controlling motor 201 reversion synchronously starts timing, after slide unit 103 leaves the distance of any setting of 112 1 sections, realizing middle limiting screw, then, the extraneous driving mechanism that interlock external circuit controller controls runs to the position departing from and interfere slide unit 103 to run on guide rail 102 to time meter electrical equipment with realizing middle limiting block 111 and realizing middle limiting screw 112.Meanwhile, the external circuit controller that also links controls motor 201 and again reverses, and drives slide unit 103 terminad limited block 108 to advance.When end stop screw 110 encountered by slide unit 103, be obstructed and halt, the same with the principle of encountering realizing middle limiting screw 112, when advance switch collision block 209 encounters forward stroke switch 208, motor 201 power-off shuts down, coordinated signals No. three unit heads 303 and is started, workpiece 300 is processed, when terminating return, touch the stopping travel switch on No. three unit heads 303, interlock external circuit controller, motor 201 is reversed, slide unit 103 is driven to advance to initial limited block 107 direction, when initial stop screw 109 encountered by slide unit 103, be obstructed and halt, the same with the principle of encountering end stop screw 110.Difference is that traffic direction is contrary, and while rear extractor 206 compresses, advance spring 207 loosens gradually.When retreating switch collision block 211 and encountering backward travel switch 210, the motor 201 that external circuit controller controls stops, and coordinated signals realizing middle limiting block 111 and got back to initial position simultaneously, and namely original state is got back to by this mechanism.A work period terminates, and after changing workpiece 300, restart switch, can carry out the new round work period.

Claims (4)

1. utilize motor automatically to control a device for slide unit rectilinear motion and accurate stop position, it comprises slide unit straight-line motion mechanism and is used for controlling the screw mandrel drived control mechanism of slide unit rectilinear motion, described slide unit straight-line motion mechanism comprises lathe bed (101), the guide rail (102) be fixed on lathe bed, can the slide unit (103) of opposite rail (102) alternating translational and the nut (104) that is fixedly installed on slide unit (103), described screw mandrel drived control mechanism comprises motor (201), is driven rotate and the screw mandrel (202) be connected with nut (104) threaded engagement by the rotating shaft of motor (201), described lathe bed (101) or guide rail (102) are provided with the limit assembly for limiting slide unit (103) preset stopping position, described screw mandrel drived control mechanism also comprise be arranged between motor (201) and screw mandrel (202) being used for control motor (201) and screw mandrel (202) work, and then control the slide unit that slide unit (103) accurately stops at preset stopping position and accurately stop Control Component, it is characterized in that: the rear and front end of described screw mandrel (202) is respectively provided with one section of cylinder optical axis section, described lathe bed (101) is provided with front support seat (105) for being connected with the cylinder optical axis section activity of screw mandrel (202) rear and front end respectively and rear branching holder (106),
The external circuit controller that described slide unit accurately stops Control Component comprising motor fixing plate (203), guide pillar plate (204), guide pillar (205), rear extractor (206), advance spring (207), forward stroke switch (208), advance switch collision block (209), backward travel switch (210), retrogressing switch collision block (211) and be connected with motor (201), the housing that described motor fixing plate (203) is fixedly installed in motor (201) is positioned between motor (201) and front support seat (105), described guide pillar plate (204) is positioned at the opposite side of front support seat (105), guide pillar (205) is parallel with screw mandrel (202), the front end of guide pillar (205) is fixedly connected with motor fixing plate (203), stage casing and the through hole sliding connection be located on front support seat (105) of guide pillar (205), the rear end of guide pillar (205) is fixedly connected with guide pillar plate (204), rear extractor (206) is placed on guide pillar (205) periphery and two ends act between motor fixing plate (203) and front support seat (105), advance spring (207) is placed on guide pillar (205) periphery and two ends act between front support seat (105) and guide pillar plate (204), forward stroke switch (208) is installed on front support seat (105), advance switch collision block (209) is installed on guide pillar plate (204), forward stroke switch (208) is corresponding with the position of advance switch collision block (209), forward stroke switch (208) is connected with external circuit controller and realizes following functions: when advance switch collision block (209) touches forward stroke switch (208), trigger external circuit controller controls motor (201) and stops operating, backward travel switch (210) is installed on supporting base (105), retreating switch collision block (211) is installed on motor fixing plate (203), backward travel switch (210) is corresponding with the position retreating switch collision block (211), backward travel switch (210) is connected with external circuit controller and realizes following functions: when retreating switch collision block (211) and touching backward travel switch (210), and trigger external circuit controller controls motor (201) and stops operating,
The cylinder optical axis section of screw mandrel (202) front end becomes contactless matched in clearance with motor fixing plate (203) with the through hole on guide pillar plate (204).
2. the device utilizing motor automatically to control slide unit rectilinear motion and accurate stop position according to claim 1, it is characterized in that: the cylinder optical axis section of screw mandrel (202) rear end is passed rear branching holder (106) backward and exposes a segment length, and when advance spring (207) is in uncompressed and extended state, this length exposed is not less than the distance of forward stroke switch (208) and advance switch collision block (209) contact point.
3. the device utilizing motor automatically to control slide unit rectilinear motion and accurate stop position according to claim 1 and 2, it is characterized in that: described limit assembly comprises the initial limited block (107) being used for limiting slide unit (103) initial preset stop position being fixed on guide rail (102) or lathe bed (101) front side, be fixedly installed in the initial stop screw (109) towards slide unit (103) side on initial limited block (107), be fixed on guide rail (102) or lathe bed (101) rear side be used for limit the end limited block (108) of slide unit (103) end preset stopping position and the end stop screw (110) that is fixedly installed in towards slide unit (103) side on end limited block (108).
4. the device utilizing motor automatically to control slide unit rectilinear motion and accurate stop position according to claim 3, it is characterized in that: described limit assembly also comprises realizing middle limiting block (111) and is fixedly installed in the realizing middle limiting screw (112) on realizing middle limiting block (111), described realizing middle limiting block (111) is a movable limited block by extraneous driving mechanisms control, it can be moved in extraneous driving mechanisms control and make realizing middle limiting screw (112) be in position for preset stopping position in the middle of restriction slide unit (103), also can be moved to depart from extraneous driving mechanisms control interferes slide unit (103) in the upper position run of guide rail (102).
CN201310373482.0A 2013-08-23 2013-08-23 Motor is utilized automatically to control the device of slide unit rectilinear motion and accurate stop position Expired - Fee Related CN103551902B (en)

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CN106181531A (en) * 2016-08-23 2016-12-07 安徽池州家用机床股份有限公司 A kind of lathe traverse feed stopping means
CN107215352A (en) * 2017-06-23 2017-09-29 中车四方车辆有限公司 A kind of guiding mechanism control device and guide rail electric car
CN109814035A (en) * 2017-11-17 2019-05-28 国网河南省电力公司新密市供电公司 A kind of electric expansion rod-type measuring battery tool
CN108558181A (en) * 2018-06-15 2018-09-21 芜湖东旭光电科技有限公司 Glass furnace charger guider and glass furnace charger mounting structure
CN108747441A (en) * 2018-06-25 2018-11-06 苏州舍勒智能科技有限公司 A kind of adjustable slide unit of speed
CN109580770A (en) * 2018-12-07 2019-04-05 中国特种设备检测研究院 A kind of semi-automatic EDDY CURRENT scanning system of tube sheet
CN110181483B (en) * 2019-06-19 2024-03-19 佛山市增广智能科技有限公司 Cooperative sliding table and pressure calculation method thereof

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JPS569146A (en) * 1979-06-27 1981-01-30 Shin Yoneda Screw feed positioning method
EP2105249A1 (en) * 2008-03-27 2009-09-30 Cooper Power Tools SAS Machining tool with automatic feed and machining method
EP2233243A1 (en) * 2009-03-23 2010-09-29 Martin Breiter Drive mechanism of a working part of a device for linear, fast and slow strokes
DE102012001253A1 (en) * 2012-01-23 2013-07-25 Robert Bosch Gmbh Device for accelerating and decelerating large masses, used in machine tool, has shaft drive motor and a mechanical unit that are arranged in such that shaft drive motor transfers kinetic energy of shaft to mechanical energy storage
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