CN105562850B - The transmission mechanism of point trailing type electrode hoist bed in a kind of - Google Patents

The transmission mechanism of point trailing type electrode hoist bed in a kind of Download PDF

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Publication number
CN105562850B
CN105562850B CN201610140791.7A CN201610140791A CN105562850B CN 105562850 B CN105562850 B CN 105562850B CN 201610140791 A CN201610140791 A CN 201610140791A CN 105562850 B CN105562850 B CN 105562850B
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China
Prior art keywords
main
sliding block
wire electrode
fixed pulley
drawstring
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CN201610140791.7A
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Chinese (zh)
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CN105562850A (en
Inventor
丁人平
叶军
董志轶
王文浩
孔文刚
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SUZHOU ELECTRICAL PROCESSING MACHINE TOOL RESEARCH INSTITUTE Co Ltd
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SUZHOU ELECTRICAL PROCESSING MACHINE TOOL RESEARCH INSTITUTE Co Ltd
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Priority to CN201610140791.7A priority Critical patent/CN105562850B/en
Publication of CN105562850A publication Critical patent/CN105562850A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04Electrodes specially adapted therefor or their manufacture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00Auxiliary apparatus or details, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/26Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode

Abstract

The transmission mechanism of point trailing type electrode hoist bed in a kind of, the transmission mechanism is arranged on the main tapping of spark-erosion perforating machine, and the main tapping of spark-erosion perforating machine is provided with main shaft, guider and helps a device;It is characterized in that:The transmission mechanism is made up of sliding block, guide frame, running block and fixed pulley group/spring;The sliding block slides setting in the direction of motion parallel to axis feeding;The running block is made up of movable pulley and main drawstring, and movable pulley rotating support is on sliding block, and main drawstring bypasses movable pulley, and the two ends of main drawstring are respectively positioned on above movable pulley;Fixed pulley group/the spring keeps main drawstring to be in tensioned state all the time during wire electrode feeding;The sliding block helps the centre position for helping a hole position between wire electrode clamping device lower end and guider upper end of a device with helping a device to be fixedly connected, and point hoist bed in trailing type electrode is formed with this.Wire electrode of the present invention is not bent in process, and the present invention both can be used vertically, also can horizontally or diagonally be used.

Description

The transmission mechanism of point trailing type electrode hoist bed in a kind of
Technical field
The present invention relates to a kind of transmission mechanism of in electric spark machining field, more particularly to trailing type electrode points of hoist bed, Do not bent in process for holding electrode silk to ensure crudy and efficiency.
Background technology
Spark-erosion perforating machine is also referred to as the mechanical, electrical spark pore Electrical Discharge Machine of the mechanical, electrical spark aperture of electric spark-erosion perforation, its operation principle It is the thin metal copper pipe using continuous servo feed(Referred to as wire electrode)Make electrode, wire electrode is made at a high speed while servo feed Rotation, pulse spark electric discharge removal is carried out with this to workpiece.Rotate, enter to workpiece because wire electrode is elongate articles, and at a high speed During row processing, buckling phenomenon occurs in wire electrode, so as to influence crudy and processing efficiency.
The structure of point hoist bed is referring to shown in accompanying drawing 1 in existing electrode(The name of parts is referring to Chinese people's republicanism State's standard GB/T/T23480.1-2009), the main tapping 1 of spark-erosion perforating machine rotates provided with drive wire electrode 6 to be made simultaneously The main shaft 2 of feeding, and guider 5 for guiding and a device 4 is helped for support, the upper end of wire electrode 6 is by being located at main shaft 2 On wire electrode clamping device 3 clamp, the lower end of wire electrode 6 is arranged in the pilot hole of guider 5, and the middle part of wire electrodes 6 is arranged in Help helping in a hole for a device 4;For wire electrode 6, the centre of location of the wire electrode clamping device 3, helping for a device 4 is helped The guiding centre three for holding center and pilot hole is coaxial;The transmission mechanism of point hoist bed is worn including being arranged at electric spark in electrode Slip is provided with connection one on a sliding block 7, sliding block 7 and helped in a device 4, wire electrode 6 on guide rod 9 on hole owner's spindle nose 1, guide rod 9 Portion, which is arranged in, helps the helping in a hole an of device 4, and the top of sliding block 7 is connected by a spring 8 with main shaft 2, and the lower section of sliding block 7 passes through Another spring 8 is connected with the main tapping 1 of spark-erosion perforating machine.Point hoist bed exists following not enough in existing electrode:1st, by Influenceed in by upper and lower two springs 8, help a device 4 can not total travel silk is helped with main axle moving, and when moving by fixed proportion The position of device 4 is unstable(Helping the movement of a device can not timely respond to main axle moving);2nd, the decrement and elastic force of spring 8 with And help a device 4 to move down and increase, the driving force needed for servo control mechanism is also increasing, have impact on the stabilization of servo processing Property;3rd, wire electrode 6 is not at the uniform velocity fed during feeding, and wire electrode 6 is particularly easy to bending, influence processing in the case of acceleration Quality.
The content of the invention
It is an object of the present invention to provide a kind of transmission mechanism of in trailing type electrode points of hoist bed.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:The transmission of point trailing type electrode hoist bed in a kind of Mechanism, the transmission mechanism is arranged on the main tapping of spark-erosion perforating machine, and main tapping drive shaft, the wire electrode of rotation make servo Feed motion, main tapping is provided with the guider for being oriented to and the device of helping for support, and wire electrode one end is by being located at master Wire electrode gripping apparatus grips on axle, the wire electrode other end is arranged in the pilot hole of guider, is arranged in the middle part of wire electrode Help helping in a hole for a device;For wire electrode, the Clamping Center of the wire electrode clamping device, help in the support of a device The guiding centre three of the heart and pilot hole is coaxial;
Its innovation is:The transmission mechanism is made up of sliding block, guide frame, running block and spring;
The sliding block is arranged on main tapping through guide frame, and sliding block is in the direction of motion fed parallel to main axle servo It is mobile to set;
The running block is made up of movable pulley and main drawstring, and movable pulley rotating support is on sliding block, and main drawstring bypasses dynamic Pulley, the two ends of main drawstring are respectively defined as first end and the second end, wherein:First end is set relative to main shaft orientation, and second End positions relative to main tapping and set;
The spring is located on sliding block moving direction, and is acted between sliding block and main tapping, makes the master in running block Drawstring is in tensioned state all the time;
The sliding block is with helping a device to be fixedly connected, and that helps a device helps a hole position between wire electrode clamping device and guider Centre position, the shift motion of sliding block is the half of main shaft servo feed stroke, and point trailing type electrode is helped in being formed with this Device.
To reach above-mentioned purpose, another technical scheme that the present invention is used is:Point trailing type electrode hoist bed in a kind of Transmission mechanism, the transmission mechanism is arranged on the main tapping of spark-erosion perforating machine, and main tapping drive shaft, the wire electrode of rotation are made Servo feed is moved, and main tapping is provided with the guider for being oriented to and the device of helping for support, and wire electrode one end is by setting Wire electrode gripping apparatus grips on main shaft, the wire electrode other end is arranged in the pilot hole of guider, is worn in the middle part of wire electrode Located at helping the helping in a hole an of device;For wire electrode, the Clamping Center of the wire electrode clamping device, helping for a device is helped The guiding centre three for holding center and pilot hole is coaxial;
Its innovation is:The transmission mechanism is made up of sliding block, guide frame, running block and fixed pulley group;
The sliding block is arranged on main tapping through guide frame, and sliding block is in the direction of motion fed parallel to main axle servo It is mobile to set;
The running block is made up of movable pulley and main drawstring, and movable pulley rotating support is on sliding block, and main drawstring bypasses dynamic Pulley, the two ends of main drawstring are respectively defined as first end and the second end, wherein:First end is set relative to main shaft orientation, and second End positions relative to main tapping and set;
The fixed pulley group is made up of the first fixed pulley, the second fixed pulley and secondary drawstring;First fixed pulley, the second fixed pulley With movable pulley on the moving direction of sliding block arranged for interval, wherein, movable pulley be located between the first fixed pulley and the second fixed pulley, First fixed pulley and the equal rotating support of the second fixed pulley are on main tapping;One end of the secondary drawstring is fixed relative to the main shaft Set, the other end is fixed on main tapping again after bypassing the first fixed pulley, the second fixed pulley, movable pulley successively;
The sliding block is with helping a device to be fixedly connected, and that helps a device helps a hole position between wire electrode clamping device and guider Centre position, the shift motion of sliding block is the half of main shaft servo feed stroke, and point trailing type electrode is helped in being formed with this Device.
Relevant content in above-mentioned technical proposal is explained as follows:
1st, in such scheme, the guide frame includes guide rod and two pieces of mounting blocks, and the guide rod is arranged at two pieces of installations Between block, it is fixedly mounted on by two mounting blocks on the main tapping, the guide direction of guide rod is parallel with the direction of motion of main shaft, The sliding block is slideably positioned on guide rod;If using guide rail or guide groove(Such as dovetail groove)Also it can reach same effect.
2nd, in such scheme, the straightway of the fixation promise drawstring at the main drawstring/pair drawstring two ends with the master The direction of motion of axle is parallel;In actual applications, two straightways of drawstring are in tilted layout, or the arrangement that intersects can also reach Same effect, when simply parallel to the direction of motion of main shaft, wherein dividing best results.
3rd, in such scheme, " main drawstring bypasses movable pulley " and " one end of the secondary drawstring is relative to the master Axle is fixedly installed, and the other end is fixed on main tapping again after bypassing the first fixed pulley, the second fixed pulley, movable pulley successively ", refer to Be that the fixed pulley half-turn of the fixed pulley of main drawstring/pair drawstring winding movable pulley/first/second, a circle half, two circles are partly even more more Circle, can reach same effect;When drawstring winding movable pulley is more than a circle, it can correspond on the outer peripheral face of movable pulley and draw Rope opens up helicla flute.
4th, in such scheme, corresponding to the sliding block, cylinder or spring can be additionally provided with, to cause drawstring to locate all the time In tensioned state.
Operation principle of the present invention is:The first end of the main drawstring is fixedly connected with main shaft, when main shaft drives wire electrode to enter To when, the first end of main drawstring follows main axle moving;Because the hop count of drawstring on movable pulley is two sections, so the movement of movable pulley Distance is main drawstring free end all the time(The first end being connected with main shaft)Displacement half, and help a device to pass through sliding block It is connected with movable pulley, so helping the displacement of a device identical with the displacement of movable pulley, that is, helps the displacement of a device to begin It is the half of main shaft displacement eventually, due to helping a device to be arranged at the centre position of wire electrode clamping device and guider, so No matter main axle moving, to which position, is helped a device to be always positioned at the centre position of wire electrode clamping device and guider, protected with this Hold wire electrode not bend in process, it is ensured that crudy and processing efficiency;Spring in first technical scheme and The effect of fixed pulley group in two schemes is the tensioned state for keeping course of work medium pulling rope so that help a device more steady It is fixed;The present invention is simple in construction, using reliable, suitable for promoting.The present invention both can vertically use, also can level use.
Brief description of the drawings
Accompanying drawing 1 is point hoist bed structural representation in prior art electrode;
Accompanying drawing 2 is the structural representation of the embodiment of the present invention one;
Accompanying drawing 3 is the structural representation of the embodiment of the present invention two;
Accompanying drawing 4 is the structural perspective of the embodiment of the present invention two;
Accompanying drawing 5 is secondary drawstring winding structure figure in the embodiment of the present invention two;
Accompanying drawing 6 is main drawstring winding structure figure in the embodiment of the present invention two.
In the figures above:1st, fuselage;2nd, main shaft;3rd, wire electrode clamping device;4th, a device is helped;5th, guider;6th, wire electrode; 7th, sliding block;8th, spring;9th, guide rod;10th, movable pulley;11st, mounting blocks;12nd, pull bar;13rd, main drawstring;14th, the first fixed pulley;15、 Second fixed pulley;16th, secondary drawstring.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment one:
Referring to shown in accompanying drawing 2, it is a kind of in point trailing type electrode hoist bed transmission mechanism, the transmission mechanism is arranged at electric fire On the main tapping 1 of flower punch, the drive shaft 2 of main tapping 1, the wire electrode 6 of rotation are made to set on servo feed motion, main tapping 1 Have for the guider 5 of guiding and help a device 4 for support, the one end of wire electrode 6 is clamped by the wire electrode being located on main shaft 2 Device 3 is clamped, and the other end of wire electrode 6 is arranged in the pilot hole of guider 5, the middle part of wire electrode 6 be arranged in help a device 4 help silk Kong Zhong;For wire electrode 6, the Clamping Center of the wire electrode clamping device 3, help the support center of a device 4 and lead It is coaxial to the guiding centre three in hole.
The transmission mechanism is made up of sliding block 7, guide frame, running block and spring 8;
The sliding block 7 is arranged on main tapping 1 through guide frame, and sliding block 7 is in the motion side parallel to the servo feed of main shaft 2 Move up setting.
The running block is made up of movable pulley 10 and main drawstring 13, and the rotating support of movable pulley 10 is on sliding block 7, main drawstring 13 bypass movable pulley 10, and the two ends of main drawstring 13 are respectively defined as first end and the second end, wherein:First end is relative to main shaft 2 Positioning is set, and the second end positions relative to main tapping 1 and set.
The spring 8 is located on the moving direction of sliding block 7, and is acted between sliding block 7 and main tapping 1, is made in running block Main drawstring 13 all the time be in tensioned state.
The sliding block 7 is with helping a device 4 to be fixedly connected, and that helps a device 4 helps a hole position in wire electrode clamping device 3 and guider Centre position between 5, the shift motion of sliding block 7 is the half of the servo feed stroke of main shaft 2, point trailing type electricity in being formed with this Pole hoist bed.
The guide frame includes guide rod 9 and two pieces of mounting blocks 11, and the guide rod 9 is arranged between two pieces of mounting blocks 11, It is fixedly mounted on by two mounting blocks 11 on the main tapping 1, the guide direction of guide rod 9 is parallel with the direction of motion of main shaft 2, institute Sliding block 7 is stated to be slideably positioned on guide rod 9.
Two straightways of the fixation promise drawstring 13 at the two ends of main drawstring 13 are put down with the direction of motion of the main shaft 2 OK.
Correspond to drawstring 13 on the outer peripheral face of the movable pulley 10 and long drawstring 16 opens up fluted respectively.
Embodiment two:
Referring to shown in 3 ~ accompanying drawing of accompanying drawing 6, it is a kind of in point trailing type electrode hoist bed transmission mechanism, the transmission mechanism sets In on the main tapping 1 of spark-erosion perforating machine, the drive shaft 2 of main tapping 1, the wire electrode 6 of rotation make servo feed motion, main tapping 1 is provided with the guider 5 for being oriented to and helps a device 4 for support, and the one end of wire electrode 6 passes through the electrode that is located on main shaft 2 Silk clamping device 3 is clamped, and the other end of wire electrode 6 is arranged in the pilot hole of guider 5, and the middle part of wire electrode 6, which is arranged in, helps a device 4 Help in a hole;For wire electrode 6, the Clamping Center of the wire electrode clamping device 3, the support center for helping a device 4 And the guiding centre three of pilot hole is coaxial.
The transmission mechanism is made up of sliding block 7, guide frame, running block and fixed pulley group;
The sliding block 7 is arranged on main tapping 1 through guide frame, and sliding block 7 is in the motion side parallel to the servo feed of main shaft 2 Move up setting.
The running block is made up of movable pulley 10 and main drawstring 13, and the rotating support of movable pulley 10 is on sliding block 7, main drawstring 13 bypass movable pulley 10, and the two ends of main drawstring 13 are respectively defined as first end and the second end, wherein:First end is relative to main shaft 2 Positioning is set, and the second end positions relative to main tapping 1 and set.
The fixed pulley group is made up of the first fixed pulley 14, the second fixed pulley 15 and secondary drawstring 16;First fixed pulley 14, Two fixed pulleys 15 and movable pulley 10 arranged for interval on the moving direction of sliding block 7, wherein, movable pulley 10 is located at the first fixed pulley 14 And second between fixed pulley 15, the first fixed pulley 14 and the equal rotating support of the second fixed pulley 15 are on main tapping 1;The secondary drawstring 16 one end is fixedly installed relative to the main shaft 2, and the other end bypasses the first fixed pulley 14, the second fixed pulley 15, dynamic cunning successively It is fixed on again on main tapping 1 after wheel 10.
The sliding block 7 is with helping a device 4 to be fixedly connected, and that helps a device 4 helps a hole position in wire electrode clamping device 3 and guider Centre position between 5, the shift motion of sliding block 7 is the half of the servo feed stroke of main shaft 2, point trailing type electricity in being formed with this Pole hoist bed.
The guide frame includes guide rod 9 and two pieces of mounting blocks 11, and the guide rod 9 is arranged between two pieces of mounting blocks 11, It is fixedly mounted on by two mounting blocks 11 on the main tapping 1, the guide direction of guide rod 9 is parallel with the direction of motion of main shaft 2, institute Sliding block 7 is stated to be slideably positioned on guide rod 9.
Two straightways of the fixation promise drawstring 13 at the two ends of main drawstring 13 are put down with the direction of motion of the main shaft 2 OK.
In above-mentioned two embodiment, the first end of the main drawstring 13 is fixedly connected with main shaft 2, when main shaft 2 is with moving electrode When silk 6 is fed, the first end of main drawstring 13 follows main shaft 2 to move;Because the hop count of main drawstring 13 on movable pulley 10 is two sections, institute With the displacement of movable pulley 10 all the time for the main free end of drawstring 13(The first end being connected with main shaft 2)Displacement one Half, and help a device 4 to be connected by sliding block with movable pulley 10, so helping the displacement of a device 4 and the displacement of movable pulley 10 Identical, that is, the displacement for helping a device 4 is always the half of the displacement of main shaft 2, is pressed from both sides due to helping a device 4 to be arranged at wire electrode 6 The centre position of device 3 and guider 5 is held, so no matter which position main shaft 2 is moved to, helps a device 4 to be always positioned at wire electrode The centre position of clamping device 3 and guider 5, is not bent, it is ensured that crudy in process with this holding electrode silk 6 And processing efficiency;And the present invention is simple in construction, using reliable, suitable for promoting.The present invention both can be used vertically, level or can also be inclined Used under ramp-like state.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (3)

1. the transmission mechanism of point trailing type electrode hoist bed in a kind of, the transmission mechanism is arranged at the main tapping of spark-erosion perforating machine (1)On, main tapping(1)Drive shaft(2), rotation wire electrode(6)Make servo feed motion, main tapping(1)Being provided with is used for The guider of guiding(5)A device is helped with for support(4), wire electrode(6)One end is by being located at main shaft(2)On wire electrode folder Hold device(3)Clamping, wire electrode(6)The other end is arranged in guider(5)Pilot hole in, wire electrode(6)Middle part, which is arranged in, to be helped Silk device(4)Help in a hole;Relative to wire electrode(6)For, the wire electrode clamping device(3)Clamping Center, help a device (4)The guiding centre three for helping center and pilot hole it is coaxial;
It is characterized in that:The transmission mechanism is by sliding block(7), guide frame, running block and fixed pulley group composition;
The sliding block(7)Main tapping is arranged on through guide frame(1)On, sliding block(7)Parallel to main shaft(2)The fortune of servo feed Dynamic side moves up setting;
The running block is by movable pulley(10)With main drawstring(13)Composition, movable pulley(10)Rotating support is in sliding block(7)On, it is main Drawstring(13)Bypass movable pulley(10), main drawstring(13)Two ends be respectively defined as first end and the second end, wherein:First end phase For main shaft(2)Positioning is set, and the second end is relative to main tapping(1)Positioning is set;
The fixed pulley group is by the first fixed pulley(14), the second fixed pulley(15)With secondary drawstring(16)Composition;First fixed pulley (14), the second fixed pulley(15)And movable pulley(10)In sliding block(7)Moving direction on arranged for interval, wherein, movable pulley(10) Positioned at the first fixed pulley(14)With the second fixed pulley(15)Between, the first fixed pulley(14)With the second fixed pulley(15)Rotate branch Hold in main tapping(1)On;The secondary drawstring(16)One end relative to the main shaft(2)It is fixedly installed, the other end is bypassed successively First fixed pulley(14), the second fixed pulley(15), movable pulley(10)It is fixed on main tapping again afterwards(1)On;
The sliding block(7)With helping a device(4)It is fixedly connected, helps a device(4)Help a hole position in wire electrode clamping device(3)With lead To device(5)Between centre position, sliding block(7)Shift motion be main shaft(2)The half of servo feed stroke, in being formed with this Divide trailing type electrode hoist bed.
2. transmission mechanism according to claim 1, it is characterised in that:The guide frame includes guide rod(9)And two pieces of peaces Fill block(11), the guide rod(9)It is arranged at two pieces of mounting blocks(11)Between, pass through two mounting blocks(11)It is fixedly mounted on the master Spindle nose(1)On, guide rod(9)Guide direction and main shaft(2)The direction of motion it is parallel, the sliding block(7)It is slideably positioned in guide rod (9)On.
3. transmission mechanism according to claim 2, it is characterised in that:The main drawstring(13)The fixation promise at two ends is drawn Rope(13)Two straightways with the main shaft(2)The direction of motion it is parallel.
CN201610140791.7A 2016-03-14 2016-03-14 The transmission mechanism of point trailing type electrode hoist bed in a kind of Active CN105562850B (en)

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CN105904044A (en) * 2016-07-04 2016-08-31 苏州中谷机电科技有限公司 Electrode wire supporting device

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JPS57149125A (en) * 1981-03-11 1982-09-14 Mitsubishi Electric Corp Wire electrode feeder of wire cut electric discharge machining device
CN201338147Y (en) * 2008-12-30 2009-11-04 北京安德建奇数字设备有限公司 Electrode tube wire stabilizing mechanism of electric spark drilling machine
CN203245472U (en) * 2013-04-12 2013-10-23 付疗凯 Copper pipe electrode jaw of numerical control electro discharge drilling machine
CN103894693B (en) * 2014-04-10 2016-03-30 西安航空动力股份有限公司 The electrode slide guiding device of electric spark small hole processing machine bed
CN203817555U (en) * 2014-04-25 2014-09-10 北京迪蒙卡特机床有限公司 Wire electrode stabilizing apparatus
CN205414633U (en) * 2016-03-14 2016-08-03 苏州电加工机床研究所有限公司 Well minute trailing type electrode support device's drive mechanism

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