CN204295083U - The tenslator of WEDM - Google Patents
The tenslator of WEDM Download PDFInfo
- Publication number
- CN204295083U CN204295083U CN201420729412.4U CN201420729412U CN204295083U CN 204295083 U CN204295083 U CN 204295083U CN 201420729412 U CN201420729412 U CN 201420729412U CN 204295083 U CN204295083 U CN 204295083U
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- CN
- China
- Prior art keywords
- line slideway
- servo unit
- slideway auxiliaries
- tenslator
- wedm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model discloses a kind of tenslator of WEDM, comprise the installing plate vertically arranged, two line slideway auxiliaries be located on installing plate, servo unit and straining pulley assembly, and connect the rolling screw pair of servo unit by rolling spiral drive straining pulley assembly.The utility model design is ingenious, more reasonable in structure and control principle, and efficient work is stablized, failure rate is low, compared with conventional art, without the need to installing tension sensing device additional in Wire-conveying mechanism of quick walk, just can realize the constant tensile control to wire electrode.The parts adopted are few, have cost low, and the simple feature efficiently of work, effectively can reduce the fracture of wire probability of wire electrode, and failure rate is low, reaches and simplifies structure and improvement control model, improve the reliability object of equipment.
Description
Technical field
The utility model relates to Wire EDM equipment technical field, is specifically related to a kind of tenslator in Wire-conveying mechanism of quick walk.
Background technology
Wire-conveying mechanism of quick walk is the important part of Wire EDM equipment (lathe), and the constant speed constant tensile control of Wire-conveying mechanism of quick walk is the important indicator weighing electric spark linear cutting machine performance, directly affects machining accuracy and the machined surface quality of workpiece.Wire-conveying mechanism of quick walk is generally wire storage tube, tension detecting apparatus, coil holder and guide wheel group composition.
In order to improve the stationarity of spark cutting machine wire electrode motion, usually need to apply tensile force.Size and the tensioning mode of tensile force have material impact to crudy, efficiency and fracture of wire.Wherein, fracture of wire situation seriously restricts the working (machining) efficiency of lathe and the machining accuracy to workpiece.Mainly because wire electrode is originally experienced the restriction of tensile strength, and in the process of cutting, there is the situation (sometimes, after wire electrode cutting work for a long time, total length is elongated a meter nearly) that length is elongated in the mechanical reason of wire electrode fracture of wire.When wire electrode is obviously elongated, the Wire-conveying mechanism of quick walk of conventional art easily occurs that tensile force controls not plateau problem, the frequent fracture of wire of wire electrode.In this case, must adjust by frequent shutdown, operate complicated, hand labor intensity is large, even needs the wire electrode more renewed to ensure the normal use of lathe, causes wire electrode to be changed too early, forms waste.
The Wire-conveying mechanism of quick walk complex structure of conventional art, tension detect and Control Component many, cost is higher, and fault rate is high, and its form tensioning mode reasonable not.
Utility model content
The purpose of this utility model is, for above-mentioned deficiency, provides a kind of simple for structure, steady for Wire-conveying mechanism of quick walk tensile force, reduces wire electrode fracture of wire, the tenslator that cost is low.
For achieving the above object, technical scheme provided by the utility model is: a kind of tenslator of WEDM, comprise the installing plate vertically arranged, be located at two line slideway auxiliaries on installing plate, servo unit and straining pulley assembly, and connect the rolling screw pair of servo unit by rolling spiral drive straining pulley assembly, two line slideway auxiliaries parallel and are located on the plate face of installing plate vertically downward, servo unit to be installed between two line slideway auxiliaries and to be positioned at the position, upper end of two line slideway auxiliaries, straining pulley assembly is located at two line slideway auxiliaries for doing vertical displacement movement.
Another preferred version of the present utility model, described straining pulley assembly comprises slide plate, the regulating wheel being located at the regulating wheel installation portion on slide plate and being located on regulating wheel installation portion, and described regulating wheel installation portion is provided with the through hole supplying screw rod one end of rolling screw pair to run through.
Another preferred version of the present utility model, the corresponding described through hole of nut that screws of described rolling screw pair is located on regulating wheel installation portion.
Another preferred version of the present utility model, described installing plate is provided with servo unit mount pad, upper limit block and lower limit block, servo unit mount pad to be located between two line slideway auxiliaries and to be positioned at the position, upper end of two line slideway auxiliaries, upper limit block is located at the below being positioned at servo unit mount pad between two line slideway auxiliaries, and lower limit block is located at the position, bottom being positioned at two line slideway auxiliaries between two line slideway auxiliaries.
Another preferred version of the present utility model, the vertical range of described upper limit block and lower limit block is equal to or greater than 50 centimetres.
Another preferred version of the present utility model, described servo unit is connected with rolling screw pair and is provided with shaft coupling.
The beneficial effects of the utility model are: the utility model design is ingenious, more reasonable in structure and control principle, efficient work is stablized, and failure rate is low, compared with conventional art, without the need to installing tension sensing device additional in Wire-conveying mechanism of quick walk, the constant tensile control to wire electrode just can be realized.The parts adopted are few, have cost low, and the simple feature efficiently of work, effectively can reduce the fracture of wire probability of wire electrode, and failure rate is low, reaches and simplifies structure and improvement control model, improve the reliability object of equipment.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the installation form schematic diagram of Fig. 1.
Fig. 3 is operation principle schematic diagram of the present utility model.
Detailed description of the invention
See Fig. 1 to Fig. 3, the tenslator of a kind of WEDM that the present embodiment provides, comprise the installing plate 1 vertically arranged, be located at two line slideway auxiliaries 2 on installing plate 1, servo unit 3 and straining pulley assembly 4, and connect the rolling screw pair 5 of servo unit 3 by rolling spiral drive straining pulley assembly 4, two line slideway auxiliaries 2 parallel and are located on the plate face of installing plate 1 vertically downward, servo unit 3 to be installed between two line slideway auxiliaries 2 and to be positioned at the position, upper end of two line slideway auxiliaries 2, straining pulley assembly 4 is located at two line slideway auxiliaries 2 for doing vertical displacement movement, described straining pulley assembly 4 comprises slide plate 41, the tensioning sheave 43 being located at the regulating wheel installation portion 42 on slide plate 41 and being located on regulating wheel installation portion 42, described regulating wheel installation portion 42 is provided with the through hole (not shown) supplying screw rod one end of rolling screw pair 5 to run through, and the corresponding described through hole of nut that screws of described rolling screw pair 5 is located on regulating wheel installation portion 42.Servo unit 3 is preferably AC servo motor, direct-connected by shaft coupling 6 and rolling screw pair 5, forms rolling spiral drive straining pulley assembly 4, transmission efficiency and transmission accuracy high.During work, by setting the locked-rotor torque value of servo unit 3, utilize rolling screw pair 5 without latching characteristics, when the wire electrode 10 in cutting work occurs that slight tension changes, when tension value is less than the locked-rotor torque value of servo unit 3 setting, servo unit 3 starts to drive tensioning sheave 43 to carry out displacement to strain wire electrode 10, the tension force of wire electrode 10 and the locked-rotor torque of servo unit 3 interact, thus reach the automatic control of tension force, in this process, utilize the premium properties of the permanent locked-rotor torque of servo unit 3, by uninterrupted continuous firing, it is steady that accurate control electrode silk 10 moves, thus without the need to installing tension sensing device additional in Wire-conveying mechanism of quick walk, realize the constant tensile control to wire electrode 10.Comparing conventional art needs tension force induction installation to carry out the control model of induced electricity polar filament 10 tensile force, and the parts adopted are few, have cost low, the simple feature efficiently of work, and failure rate is low, reach and simplify structure and improvement control model, improve the reliability object of equipment.
Preferably, described installing plate 1 is provided with servo unit mount pad 7, upper limit block 8 and lower limit block 9, servo unit mount pad 7 to be located between two line slideway auxiliaries 2 and to be positioned at the position, upper end of two line slideway auxiliaries 2, upper limit block 8 is located at the below being positioned at servo unit mount pad 7 between two line slideway auxiliaries 2, and lower limit block 9 is located at the position, bottom being positioned at two line slideway auxiliaries 2 between two line slideway auxiliaries 2.During assembly, installing plate 1 is fixed on a sidewall of the column 200 of WEDM frame, is the state of vertically plane.
Preferably, the vertical range of described upper limit block 8 and lower limit block 9 is 50 centimetres, effective adjustment when obviously being elongated for wire electrode 10 length in working, and adjustable range is large, is beneficial to the service time effectively extending wire electrode 10, saves processing cost.In other embodiments, according to the design requirement of lathe, the vertical range of upper limit block 8 and lower limit block 9 can be other numerical value.
Compared with conventional art, the utility model, without the need to installing tension sensing device additional in Wire-conveying mechanism of quick walk, just can realize the constant tensile control to wire electrode 10.Have simple for structure, cost is low, and the simple feature efficiently of work, effectively can reduce the fracture of wire probability of wire electrode 10, and failure rate is low, reaches and simplifies structure and improvement control model, improve the reliability object of equipment.
Above detailed description of the invention is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (6)
1. the tenslator of WEDM, it is characterized in that, comprise the installing plate vertically arranged, two line slideway auxiliaries be located on installing plate, servo unit and straining pulley assembly, and connect the rolling screw pair of servo unit by rolling spiral drive straining pulley assembly, two line slideway auxiliaries parallel and are located on the plate face of installing plate vertically downward, servo unit to be installed between two line slideway auxiliaries and to be positioned at the position, upper end of two line slideway auxiliaries, and straining pulley assembly is located at two line slideway auxiliaries for doing vertical displacement movement.
2. the tenslator of WEDM as claimed in claim 1, it is characterized in that, described straining pulley assembly comprises slide plate, the regulating wheel being located at the regulating wheel installation portion on slide plate and being located on regulating wheel installation portion, described regulating wheel installation portion is provided with the through hole supplying screw rod one end of rolling screw pair to run through.
3. the tenslator of WEDM as claimed in claim 2, is characterized in that, the corresponding described through hole of nut that screws of described rolling screw pair is located on regulating wheel installation portion.
4. the tenslator of WEDM as claimed in claim 1, it is characterized in that, described installing plate is provided with servo unit mount pad, upper limit block and lower limit block, servo unit mount pad to be located between two line slideway auxiliaries and to be positioned at the position, upper end of two line slideway auxiliaries, upper limit block is located at the below being positioned at servo unit mount pad between two line slideway auxiliaries, and lower limit block is located at the position, bottom being positioned at two line slideway auxiliaries between two line slideway auxiliaries.
5. the tenslator of WEDM as claimed in claim 4, it is characterized in that, the vertical range of described upper limit block and lower limit block is equal to or greater than 50 centimetres.
6. the tenslator of WEDM as claimed in claim 1, it is characterized in that, described servo unit is connected with rolling screw pair and is provided with shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420729412.4U CN204295083U (en) | 2014-11-29 | 2014-11-29 | The tenslator of WEDM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420729412.4U CN204295083U (en) | 2014-11-29 | 2014-11-29 | The tenslator of WEDM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204295083U true CN204295083U (en) | 2015-04-29 |
Family
ID=53100663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420729412.4U Expired - Fee Related CN204295083U (en) | 2014-11-29 | 2014-11-29 | The tenslator of WEDM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204295083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673213A (en) * | 2020-06-14 | 2020-09-18 | 南京航空航天大学 | High-speed reciprocating wire-moving electric spark wire-electrode cutting filament cutting two-stage constant-tension wire feeding device |
-
2014
- 2014-11-29 CN CN201420729412.4U patent/CN204295083U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673213A (en) * | 2020-06-14 | 2020-09-18 | 南京航空航天大学 | High-speed reciprocating wire-moving electric spark wire-electrode cutting filament cutting two-stage constant-tension wire feeding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20181129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |