CN205324921U - Tapering line cutting electrode filament length degree automatic compensation mechanism - Google Patents
Tapering line cutting electrode filament length degree automatic compensation mechanism Download PDFInfo
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- CN205324921U CN205324921U CN201620107971.0U CN201620107971U CN205324921U CN 205324921 U CN205324921 U CN 205324921U CN 201620107971 U CN201620107971 U CN 201620107971U CN 205324921 U CN205324921 U CN 205324921U
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- China
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- guide wheel
- work guide
- wire electrode
- movable plate
- compensation mechanism
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Abstract
The utility model provides a tapering line cutting electrode filament length degree automatic compensation mechanism, it includes the support, work guide pulley and straining device, straining device includes tensioning guide pulley, reversible motor and controller, the controller includes: displacement detecting element is connected with the work guide pulley, memory cell, comparing element, drive unit, link with reversible motor, a control signal for the output of structure comparing element, it slides to adjust reversible motor drive movable plate in real time, displacement volume through the detection achievement guide pulley, thereby reach the elasticity degree of wire electrode, and remove sliding of guide pulley through reversible motor, the length of ensureing the wire electrode can keep unanimous in real time, and at the operation in -process, the skew of real -time detection work guide pulley, can guarantee the wire electrode and can guarantee when high -speed reciprocating motion that length is unanimous, the automatic adjustment adaptation, make length be a suitable size, with the incorruptibility or the life -span of improving the wire electrode.
Description
Technical field
This utility model relates to the wire electrode auto-tensioning of wire cutting machine tool and compensates field, specifically discloses a kind of tapering line cutting electrode filament length degree compensation mechanism。
Background technology
High speed to-and-fro thread feed electric spark cutting off machine is that China is exclusive, and has higher cost performance, embodies huge market potential in machine components processing and low and middle-end mould manufacture field, and development prospect is wide。But " to-and-fro thread " this characteristic due to lathe, the problem that wire electrode length changes can be brought, cause that wire electrode easily forms the phenomenon of " screws loosing at single side " (the tight pines of wire electrode length one at silk cylinder two ends), and the length of wire electrode is the key factor affecting wire electrode locus, the stability of tightness influencer lathe to a certain extent cutting。
Tension control mechanism for wire electrode has a variety of at present, what great majority adopted is Weight type constant tension mechanism, its gravity being subject to by weight is to maintain the tension force of wire electrode, but the inertia of weight is bigger, cause that the frequency response speed of this structure is relatively low, under moving back and forth at a high speed, this mechanism cannot respond to the dynamic tension change owing to tolerance in Wire-conveying mechanism of quick walk parts manufacture and assembling causes, and easily causes wire electrode fracture of wire。
Also some is then utilize tension pick-up to convert the tension force of wire electrode to the signal of telecommunication, and from silk cylinder, drag, by changing to adjust, the girth drawing annular enclosed wire electrode, utilize the elastic deformation of wire electrode to adjust tension force, but this structure adjusts wire electrode length also with the elastic deformation of wire electrode, and the tension variation in wire process also results in the appearance of wire electrode fracture of wire situation。
And adopt electromagnetic type tension force to control, then owing to have employed magnetic powder cluth or magnetic powder brake as controlling element, it is necessary to change existing wire-moving system and circuit, not easily realize。
Utility model content
In order to solve the problems referred to above, this utility model provide one can holding electrode silk consistent length, the tapering line cutting electrode filament length degree compensation mechanism of simple in construction。
This utility model provides: a kind of tapering line cutting electrode filament length degree compensation mechanism, it includes support, work guide wheel and strainer, described strainer includes tensioning guide wheel, reversible electric machine and controller, described tensioning guide wheel includes stator ring and mobile idler pulley, described stator ring is two, set up separately in the upper and lower both sides of wire storage tube, described mobile idler pulley is two, it is arranged on the both sides up and down of movable plate, described reversible electric machine is arranged on support, described reversible electric machine is linked with movable plate composition, described movable plate coordinates with support sliding, described work guide wheel is arranged far from the side of wire storage tube, and be 2, setting up and down, described wire electrode is wound on wire storage tube successively, tensioning guide wheel and work guide wheel are constituted and closes silk, and its cutting mouth is between 2 work guide wheels,
Described controller includes:
Displacement detecting unit, is connected with work guide wheel, for detecting when work guide wheel works and the shift value of initial position；
Memory element, for stored adjustment reference value；
Comparing unit, the adjustment reference value that shift value and the memory element for being detected by displacement detecting unit stores compares, and exports control signal；
Driver element, links with reversible electric machine, for the control signal of structure comparison unit output, regulates reversible electric machine in real time and drives movable plate sliding。
Arranging tooth bar bottom described movable plate, the output shaft of described reversible electric machine arranges gear, described wheel and rack engages。
Arranging slide rail along movable plate glide direction on described support, arrange slide block bottom described movable plate, described slide block coordinates with slide rail sliding。
Described wire electrode is set to the closing silk of closed state according to wire storage tube, a mobile idler pulley, a stator ring, a work guide wheel, another work guide wheel, another stator ring, another mobile idler pulley, wire storage tube order。
The work guide wheel being disposed over is set to movable, and it can be adjusted according to the length of wire electrode, and the work guide wheel being arranged below is set to fixed。
The change in displacement value of the work guide wheel of described displacement detecting unit detection top。
This utility model is by detecting the displacement of work guide wheel, thus drawing the tightness of wire electrode, and the sliding of guide wheel is moved by reversible electric machine, guarantee that the length of wire electrode can keep consistent in real time, and in running, detect the skew of work guide wheel in real time, ensure that when moving back and forth at a high speed, wire electrode ensure that length is consistent, automatically adjusting adaptation, it is one appropriately sized for making length, to improve durability or the life-span of wire electrode。
Accompanying drawing explanation
Fig. 1 is rough schematic of the present utility model。
Fig. 2 is rough schematic 1 of the present utility model。
Fig. 3 is rough schematic 2 of the present utility model。
Fig. 4 is the principle schematic of controller of the present utility model。
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model embodiment is described further:
Such as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, a kind of tapering line cutting electrode filament length degree compensation mechanism, it includes support 1, work guide wheel 2 and strainer, described strainer includes tensioning guide wheel, reversible electric machine 3 and controller, described tensioning guide wheel includes stator ring 5 and mobile idler pulley 4, described stator ring 5 is two, set up separately in wire storage tube about 6 both sides, described mobile idler pulley 4 is two, it is arranged on the both sides up and down of movable plate 7, described reversible electric machine 3 is arranged on support 1, described reversible electric machine 3 is linked with movable plate 7 composition, described movable plate 7 coordinates with support 1 sliding, and described work guide wheel 2 is arranged far from the side of wire storage tube 6, and is 2, setting up and down, described wire electrode is wound on wire storage tube successively, constituting on tensioning guide wheel and work guide wheel and close silk, and its cutting mouth is between 2 work guide wheels, described wire electrode is according to wire storage tube 6, one mobile idler pulley 4, one stator ring 5, one work guide wheel 2, another work guide wheel 2, another stator ring 5, another mobile idler pulley 4, wire storage tube 6 order is set to the closing silk of closed state。
Described controller includes:
Displacement detecting unit, is connected with work guide wheel 2, for detecting when work guide wheel works and the shift value of initial position；
Memory element, for stored adjustment reference value, is namely previously entered adjustment reference value, for comparing with the value detected, when comparative result is more than certain value, then regulate the operation of reversible electric machine, and when comparative structure is less than certain value, then it is not adjusted, avoid the normal variation of the little scope that wire electrode may result in when reciprocal operation so that reversible electric machine is adjusted, and impact is normal to be used, it also is able to avoid the reversible electric machine moment to be adjusted, affects the life-span；
Comparing unit, the adjustment reference value that shift value and the memory element for being detected by displacement detecting unit stores compares, and exports control signal；
Driver element, links with reversible electric machine, for the control signal of structure comparison unit output, regulates reversible electric machine in real time and drives movable plate sliding。
Arranging tooth bar 9 bottom described movable plate 7, the output shaft of described reversible electric machine 3 arranges gear, described wheel and rack engages, and described support arranges slide rail 8 along movable plate glide direction, arranges slide block bottom described movable plate, and described slide block coordinates with slide rail sliding。
Reversible electric machine driven gear is utilized to rotate, thus band carry-over bar moves so that movable plate transverse shifting。
The work guide wheel 2 being disposed over is set to movable, and it can be adjusted according to the length of wire electrode, and the work guide wheel being arranged below is set to fixed。
The change in displacement value of the work guide wheel 2 of described displacement detecting unit detection top。
A kind of control method based on above-mentioned tapering line cutting electrode filament length degree compensation mechanism, it comprises the following steps:
The first step, by detecting the shift value A of the X-axis of work guide wheel or Z-direction, and by the distance B between two known work guide wheels, draw the length C of the wire electrode after skew；Utilizing trigonometric function can draw the length C of the wire electrode after skew, and this calculating can directly obtain either directly through controller, the speed of service is fast；
Second step, the distance B drawn between length C and displacement A and two work guide wheels of wire electrode is subtracted each other, i.e. C-(A+B), draw the deviant between the length of the wire electrode after degree of tightness and the wire electrode under constant pressure state by the way, and the adjustment reference value of the value drawn Yu setting is compared；
3rd step, when the deviant drawn is more than when regulating reference value, then driving movable plate to move C-(A+B by control reversible electric machine) so that wire electrode length all-the-time stable。
This utility model utilizes displacement detecting unit to detect the change in displacement value of work guide wheel in real time, and this change in displacement value is converted to the degree of tightness change of wire electrode, this changing value is acted in the rotation of reversible electric machine, realize regulating in real time the elasticity of wire electrode, adopt reversible electric machine to be adjusted simultaneously, its length that can realize the closing silk that wire electrode is constituted is consistent, remain under permanent length condition, avoid adopting the detection mode of Weight type mode or tension pick-up, the impulsive force to wire electrode can be effectively reduced, simultaneously after wire electrode is corroded, occur that diameter diminishes, the length of silk is elongated, tensile strength reduces, changed by the length of detecting electrode silk, can realize being in all the time the state of identical tension, the phenomenon of the fracture of wire that the change of tension force is likely to result in when can effectively avoid conventional automatic tensioning mechanism that the tensioning of wire electrode is compensated, and the change for the idler positions that works can monitor in real time, and the tension force of wire electrode was detected relatively in the past, which obviate the vibration to wire electrode, reduce wire electrode because deforming the excessively probability of fracture of wire。
Embodiment is not construed as restriction of the present utility model, but any based on spirit improvements introduced of the present utility model, all should within protection domain of the present utility model。
Claims (6)
1. a tapering line cutting electrode filament length degree compensation mechanism, it includes support, work guide wheel and strainer, it is characterized in that: described strainer includes tensioning guide wheel, reversible electric machine and controller, described tensioning guide wheel includes stator ring and mobile idler pulley, described stator ring is two, set up separately in the upper and lower both sides of wire storage tube, described mobile idler pulley is two, it is arranged on the both sides up and down of movable plate, described reversible electric machine is arranged on support, described reversible electric machine is linked with movable plate composition, described movable plate coordinates with support sliding, described work guide wheel is arranged far from the side of wire storage tube, and be 2, setting up and down, described wire electrode is wound on wire storage tube successively, tensioning guide wheel and work guide wheel are constituted and closes silk, and its cutting mouth is between 2 work guide wheels,
Described controller includes:
Displacement detecting unit, is connected with work guide wheel, for detecting when work guide wheel works and the shift value of initial position；
Memory element, for stored adjustment reference value；
Comparing unit, the adjustment reference value that shift value and the memory element for being detected by displacement detecting unit stores compares, and exports control signal；
Driver element, links with reversible electric machine, for the control signal of structure comparison unit output, regulates reversible electric machine in real time and drives movable plate sliding。
2. tapering line cutting electrode filament length degree compensation mechanism according to claim 1, it is characterised in that: arranging tooth bar bottom described movable plate, the output shaft of described reversible electric machine arranges gear, described wheel and rack engages。
3. tapering line cutting electrode filament length degree compensation mechanism according to claim 1 and 2, it is characterised in that: arranging slide rail along movable plate glide direction on described support, arrange slide block bottom described movable plate, described slide block coordinates with slide rail sliding。
4. tapering line cutting electrode filament length degree compensation mechanism according to claim 1, it is characterised in that: described wire electrode is set to the closing silk of closed state according to wire storage tube, a mobile idler pulley, a stator ring, a work guide wheel, another work guide wheel, another stator ring, another mobile idler pulley, wire storage tube order。
5. tapering line cutting electrode filament length degree compensation mechanism according to claim 1, it is characterized in that: the work guide wheel being disposed over is set to movable, it can be adjusted according to the length of wire electrode, and the work guide wheel being arranged below is set to fixed。
6. tapering line cutting electrode filament length degree compensation mechanism according to claim 5, it is characterised in that: the change in displacement value of the work guide wheel of described displacement detecting unit detection top。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107971.0U CN205324921U (en) | 2016-02-03 | 2016-02-03 | Tapering line cutting electrode filament length degree automatic compensation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107971.0U CN205324921U (en) | 2016-02-03 | 2016-02-03 | Tapering line cutting electrode filament length degree automatic compensation mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN205324921U true CN205324921U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620107971.0U Withdrawn - After Issue CN205324921U (en) | 2016-02-03 | 2016-02-03 | Tapering line cutting electrode filament length degree automatic compensation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205324921U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522241A (en) * | 2016-02-03 | 2016-04-27 | 浙江三奇机械设备有限公司 | Taper linear cutting electrode wire length automatic compensation mechanism and control method |
| CN111230237A (en) * | 2020-02-17 | 2020-06-05 | 长春理工大学 | Device and method for electric spark machining of large depth-diameter ratio array micropores of flexible corrugated structural member |
-
2016
- 2016-02-03 CN CN201620107971.0U patent/CN205324921U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522241A (en) * | 2016-02-03 | 2016-04-27 | 浙江三奇机械设备有限公司 | Taper linear cutting electrode wire length automatic compensation mechanism and control method |
| CN105522241B (en) * | 2016-02-03 | 2017-07-18 | 浙江三奇机械设备有限公司 | Taper line cutting electrode filament length degree compensation mechanism and control method |
| CN111230237A (en) * | 2020-02-17 | 2020-06-05 | 长春理工大学 | Device and method for electric spark machining of large depth-diameter ratio array micropores of flexible corrugated structural member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20170718 |
|
| AV01 | Patent right actively abandoned |