CN205414640U - Transmission mechanism of middle-split follow-up electrode support - Google Patents
Transmission mechanism of middle-split follow-up electrode support Download PDFInfo
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- CN205414640U CN205414640U CN201620190513.8U CN201620190513U CN205414640U CN 205414640 U CN205414640 U CN 205414640U CN 201620190513 U CN201620190513 U CN 201620190513U CN 205414640 U CN205414640 U CN 205414640U
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- main shaft
- wire electrode
- slide block
- movable pulley
- stay cord
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- 238000010079 rubber tapping Methods 0.000 claims description 22
- 238000009760 electrical discharge machining Methods 0.000 claims description 8
- 238000010892 electric spark Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract 2
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
A transmission mechanism of a middle-split follow-up electrode holder is arranged on a main shaft head of an electric spark drilling machine, and the main shaft head of the electric spark drilling machine is provided with a main shaft, a guider and a wire holder; the method is characterized in that: the transmission mechanism comprises a sliding block, a guide structure and a movable pulley block; the sliding block is arranged on the main shaft head through a guide structure and is arranged in a sliding manner in a movement direction parallel to the vertical feeding direction of the main shaft; the movable pulley block consists of a movable pulley and a pull rope, the movable pulley is rotatably supported on the sliding block, the pull rope passes around the movable pulley, the first end of the pull rope is positioned relative to the main shaft, the second end of the pull rope is positioned relative to the main shaft head, and the two ends of the pull rope are both positioned above the movable pulley; the slide block is fixedly connected with the wire holder, and a wire holding hole of the wire holder is positioned in the middle between the lower end of the wire electrode clamping device and the upper end of the guider.
Description
Technical field
This utility model relates to electric spark machining field, particularly relate to a kind of in the drive mechanism of point trailing type electrode hoist bed, do not bend to ensure crudy and efficiency in the course of processing for holding electrode silk.
Background technology
Spark-erosion perforating machine is also referred to as electric spark-erosion perforation mechanical, electrical spark aperture mechanical, electrical spark pore Electrical Discharge Machine, its operation principle is that electrode made by the thin metal copper pipe (referred to as wire electrode) utilizing servo feed, wire electrode makees high speed rotating while servo feed, with this, workpiece is carried out pulse spark electric discharge removal.Owing to wire electrode is elongate articles, and high speed rotating, during being processed workpiece, wire electrode there will be buckling phenomenon, thus affects crudy and working (machining) efficiency.
In existing electrode, the structure of point hoist bed sees shown in accompanying drawing 1 (name of parts sees National Standard of the People's Republic of China GB/T23480.1-2009), the main tapping 1 of spark-erosion perforating machine is provided with drive wire electrode 6 and rotates the main shaft 2 simultaneously making vertical feed, and for the guider 5 of guiding and hold up a device 4 for help, wire electrode 6 upper end is clamped by the wire electrode clamping device 3 being located on main shaft 2, wire electrode 6 lower end is arranged in the pilot hole of guider 5, is arranged in and holds up the holding up in a hole an of device 4 in the middle part of wire electrode 6；For wire electrode 6, the guiding centre three of the centre of location of described wire electrode clamping device 3, the support center holding up a device 4 and pilot hole is coaxial；In electrode, the drive mechanism of point hoist bed includes the guide rod 9 being arranged on spark-erosion perforating machine main tapping 1, slide on guide rod 9 and be provided with a slide block 7, connect one on slide block 7 and hold up a device 4, be arranged in the middle part of wire electrode 6 hold up a device 4 hold up in a hole, the top of slide block 7 is connected with main shaft 2 by a spring 8, and the lower section of slide block 7 is connected with the main tapping 1 of spark-erosion perforating machine by another spring 8.In existing electrode, point hoist bed exists following not enough: 1, owing to being affected by upper and lower two springs 8, hold up a device 4 can not total travel by fixed proportion with main axle moving, and time mobile, hold up the position of a device 4 unstable (movement holding up a device can not timely respond to main axle moving)；2, decrement and the elastic force of spring 8 increases along with holding up a device 4 to move down, and the driving force needed for servo control mechanism is the most increasing, have impact on the stability of servo processing；3, wire electrode 6 the most at the uniform velocity feeding during feeding, in the case of accelerating, wire electrode 6 is particularly easy to bending, affects crudy.
Summary of the invention
This utility model purpose is to provide in a kind of trailing type electrode the drive mechanism of point hoist bed.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: the drive mechanism of point trailing type electrode hoist bed in a kind of, this drive mechanism is arranged on the main tapping of spark-erosion perforating machine, main tapping drive shaft, the wire electrode of rotation make the motion of vertical servo feed, main tapping is provided with the guider for guiding and holds up a device for help, wire electrode upper end is by the wire electrode gripping apparatus grips being located on main shaft, wire electrode lower end is arranged in the pilot hole of guider, is arranged in and holds up the holding up in a hole an of device in the middle part of wire electrode；For wire electrode, the guiding centre three of the Clamping Center of described wire electrode clamping device, the support center holding up a device and pilot hole is coaxial；
Its innovation is: described drive mechanism includes slide block, guide frame and running block；
Described slide block is arranged on main tapping through guide frame, and slide block is mobile in the direction of motion being parallel to the vertical servo feed of main shaft to be arranged；
Described running block is made up of movable pulley and stay cord, movable pulley rotating support is on slide block, movable pulley walked around by stay cord, the two ends of stay cord are respectively defined as the first end and the second end, wherein: the first end is arranged relative to main shaft orientation, second end is arranged relative to main tapping location, and the two ends of stay cord are respectively positioned on above movable pulley；
Described slide block with hold up that a device is fixing to be connected, that holds up a device holds up centre position between wire electrode clamping device lower end and guider upper end, a hole, and the shift motion of slide block is the half of main shaft vertical servo feed stroke, divides trailing type electrode hoist bed with this in being formed.
Relevant content in technique scheme is explained as follows:
1, in such scheme, described guide frame includes guide rod and two pieces of mounting blocks, and described guide rod is arranged between two pieces of mounting blocks, is fixedly mounted on described main tapping by two mounting blocks, the guide direction of guide rod is parallel with the direction of motion of main shaft, and described slide block is slideably positioned on guide rod；If using guide rail or guide groove (such as dovetail groove) also to can reach same effect.
2, in such scheme, the second end of described stay cord is fixedly installed relative to the mounting blocks above described slide block.
3, in such scheme, the two ends fixing point of stay cord ensures that stay cord two straightway is all parallel with described motion of main shaft direction；In actual applications, two straightways of stay cord are in tilted layout, or the layout that intersects also can reach same effect, when being only parallel to the direction of motion of main shaft, wherein divides best results.
4, in such scheme, described " movable pulley is walked around in stretching ", refers to stay cord and is wound around movable pulley half-turn, circle half, a two circle the most even more multi-turn, all can reach same effect, when stay cord is wound around movable pulley more than a circle, on the outer peripheral face of movable pulley, helicla flute can be offered corresponding to stay cord.
5, in such scheme, corresponding to described slide block, cylinder or spring can be additionally provided with, so that stay cord is in tensioned state all the time.
Utility model works principle is: the first end of described stay cord is fixing with main shaft to be connected, and when main shaft drives wire electrode to move up and down, the first end of stay cord is followed and moved up and down；When main shaft moves up, stay cord drives movable pulley and slide block to move up；When main shaft moves down, movable pulley and slide block move down under the effect of deadweight；Owing on movable pulley, the hop count of stay cord is two sections, so the displacement of movable pulley is always the half of the displacement of stay cord free end (the first end being i.e. connected) with main shaft, and be connected with movable pulley by slide block, so holding up the displacement of a device identical with the displacement of movable pulley, the displacement i.e. holding up a device is always the half of main axle moving distance, owing to holding up a hole to be arranged at wire electrode clamping device lower end and the centre position of guider upper end, so no matter main axle moving is to which position, a hole is held up to be always positioned at wire electrode clamping device lower end and the centre position of guider upper end, do not bend in the course of processing with this holding electrode silk, ensure that crudy and working (machining) efficiency；And this utility model simple in construction, use reliable, be suitable to promote.
Accompanying drawing explanation
Accompanying drawing 1 is point hoist bed structural representation in prior art electrode；
Accompanying drawing 2 is this utility model example structure schematic diagram.
In the figures above: 1, main tapping；2, main shaft；3, wire electrode clamping device；4, a device is held up；5, guider；6, wire electrode；7, slide block；8, spring；9, guide rod；10, movable pulley；11, mounting blocks；12, pull bar；13, stay cord.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment:
Embodiment:
The drive mechanism of point trailing type electrode hoist bed in a kind of, this drive mechanism is arranged on the main tapping 1 of spark-erosion perforating machine, main tapping 1 drive shaft 2, the wire electrode 6 rotated make the motion of vertical servo feed, main tapping 1 is provided with the guider 5 for guiding and holds up a device 4 for help, wire electrode 6 upper end is clamped by the wire electrode clamping device 3 being located on main shaft 2, wire electrode 6 lower end is arranged in the pilot hole of guider 5, is arranged in and holds up the holding up in a hole an of device 4 in the middle part of wire electrode 6；For wire electrode 6, the guiding centre three of the Clamping Center of described wire electrode clamping device 3, the support center holding up a device 4 and pilot hole is coaxial.
Described drive mechanism includes slide block 7, guide frame and running block；
Described slide block 7 is arranged on main tapping 1 through guide frame, and slide block 7 is mobile in the direction of motion being parallel to the vertical servo feed of main shaft 2 to be arranged.
Described running block is made up of movable pulley 10 and stay cord 13, movable pulley 10 rotating support is on slide block 7, movable pulley 10 walked around by stay cord 13, the two ends of stay cord 13 are respectively defined as the first end and the second end, wherein: the first end is arranged relative to main shaft 2 location, second end is arranged relative to main tapping 1 location, and the two ends of stay cord 13 are respectively positioned on above movable pulley 10.
Described slide block 7 with hold up that a device 4 is fixing to be connected, that holds up a device 4 holds up centre position between wire electrode clamping device 3 lower end and guider 5 upper end, a hole, the shift motion of slide block 7 is the half of main shaft 2 vertical servo feed stroke, point trailing type electrode hoist bed in being formed with this.
Described guide frame includes guide rod 9 and two pieces of mounting blocks 11, described guide rod 9 is arranged between two pieces of mounting blocks 11, being fixedly mounted on described main tapping 1 by two mounting blocks 11, the guide direction of guide rod 9 is parallel with the direction of motion of main shaft 2, and described slide block 7 is slideably positioned on guide rod 9.
Second end of described stay cord 13 is fixedly installed relative to the mounting blocks 11 above described slide block 7.
The two ends fixing point of stay cord 13 ensures that stay cord two straightway is all parallel with described main shaft 2 direction of motion.
First end of described stay cord 13 is fixing with main shaft 2 to be connected, and when main shaft 2 drives wire electrode 6 to move up and down, the first end of stay cord 13 is followed and moved up and down；When main shaft 2 moves up, stay cord 13 drives movable pulley 10 and slide block 7 to move up；When main shaft 2 moves down, movable pulley 10 and slide block move down under the effect of deadweight；Owing on movable pulley 10, the hop count of stay cord 13 is two sections, so the displacement of movable pulley 10 is always the half of the displacement of stay cord 13 free end (one end being i.e. connected) with main shaft 2, and hold up a device 4 to be connected with movable pulley 10 by slide block 7, so holding up the displacement of a device 4 identical with the displacement of movable pulley 10, the displacement i.e. holding up a device 4 is always the half of main shaft 2 displacement, owing to holding up a hole to be arranged at wire electrode clamping device 3 lower end and the centre position of guider 5 upper end, so no matter which position main shaft 2 moves to, a hole is held up to be always positioned at wire electrode clamping device 3 lower end and the centre position of guider 5 upper end, do not bend in the course of processing with this holding electrode silk 6, ensure that crudy and working (machining) efficiency；And this utility model simple in construction, use reliable, be suitable to promote.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All equivalence changes made according to this utility model spirit or modification, all should contain within protection domain of the present utility model.
Claims (4)
1. the drive mechanism of point trailing type electrode hoist bed in a kind, this drive mechanism is arranged on the main tapping (1) of spark-erosion perforating machine, main tapping (1) drive shaft (2), the wire electrode (6) rotated makees the motion of vertical servo feed, main tapping (1) is provided with the guider (5) for guiding and holds up a device (4) for help, wire electrode (6) upper end is clamped by the wire electrode clamping device (3) being located on main shaft (2), wire electrode (6) lower end is arranged in the pilot hole of guider (5), wire electrode (6) middle part is arranged in holds up the holding up in a hole an of device (4)；For wire electrode (6), the guiding centre three of the Clamping Center of described wire electrode clamping device (3), the support center holding up a device (4) and pilot hole is coaxial；
It is characterized in that: described drive mechanism includes slide block (7), guide frame and running block；
Described slide block (7) is arranged on main tapping (1) through guide frame, and slide block (7) is mobile in the direction of motion being parallel to main shaft (2) vertical servo feed to be arranged；
Described running block is made up of movable pulley (10) and stay cord (13), movable pulley (10) rotating support is on slide block (7), movable pulley (10) walked around by stay cord (13), the two ends of stay cord (13) are respectively defined as the first end and the second end, wherein: the first end is arranged relative to main shaft (2) location, second end is arranged relative to main tapping (1) location, and the two ends of stay cord (13) are respectively positioned on movable pulley (10) top；
Described slide block (7) with hold up that a device (4) is fixing to be connected, hold up the centre position holding up a hole to be positioned between wire electrode clamping device (3) lower end and guider (5) upper end of a device (4), the shift motion of slide block (7) is the half of main shaft (2) vertical servo feed stroke, point trailing type electrode hoist bed in being formed with this.
Drive mechanism the most according to claim 1, it is characterized in that: described guide frame includes guide rod (9) and two pieces of mounting blocks (11), described guide rod (9) is arranged between two pieces of mounting blocks (11), it is fixedly mounted on described main tapping (1) by two mounting blocks (11), the guide direction of guide rod (9) is parallel with the direction of motion of main shaft (2), and described slide block (7) is slideably positioned on guide rod (9).
Drive mechanism the most according to claim 2, it is characterised in that: the second end of described stay cord (13) is fixedly installed relative to the mounting blocks (11) of described slide block (7) top.
Drive mechanism the most according to claim 1, it is characterised in that: the two ends fixing point of stay cord (13) ensures that stay cord two straightway is all parallel with described main shaft (2) direction of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190513.8U CN205414640U (en) | 2016-03-14 | 2016-03-14 | Transmission mechanism of middle-split follow-up electrode support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190513.8U CN205414640U (en) | 2016-03-14 | 2016-03-14 | Transmission mechanism of middle-split follow-up electrode support |
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| Publication Number | Publication Date |
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| CN205414640U true CN205414640U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620190513.8U Active CN205414640U (en) | 2016-03-14 | 2016-03-14 | Transmission mechanism of middle-split follow-up electrode support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562861A (en) * | 2016-03-14 | 2016-05-11 | 苏州电加工机床研究所有限公司 | Transmission mechanism of middle-split follow-up electrode support |
| CN106583869A (en) * | 2016-11-30 | 2017-04-26 | 歌尔股份有限公司 | Electrode clamping equipment |
-
2016
- 2016-03-14 CN CN201620190513.8U patent/CN205414640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562861A (en) * | 2016-03-14 | 2016-05-11 | 苏州电加工机床研究所有限公司 | Transmission mechanism of middle-split follow-up electrode support |
| CN106583869A (en) * | 2016-11-30 | 2017-04-26 | 歌尔股份有限公司 | Electrode clamping equipment |
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