CN204954093U - Permanent tension device of electromagnetism - Google Patents
Permanent tension device of electromagnetism Download PDFInfo
- Publication number
- CN204954093U CN204954093U CN201520745709.4U CN201520745709U CN204954093U CN 204954093 U CN204954093 U CN 204954093U CN 201520745709 U CN201520745709 U CN 201520745709U CN 204954093 U CN204954093 U CN 204954093U
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- China
- Prior art keywords
- tension
- silk thread
- calutron
- microprocessor
- electromagnetism
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Abstract
The utility model discloses a permanent tension device of electromagnetism, including winding device and the silk thread of motion among the winding device, its characterized in that: be provided with in the silk thread circuit and be used for detecting the tensile tension sensor of silk thread and be used for adjusting the tensile electromagnetic means of silk thread, tension sensor and electromagnetic means are connected with microprocessor, microprocessor keeps silk thread tension invariable according to the magnetic force of the silk thread tension input signal control electromagnetic means output variation of tension sensor detection. The utility model discloses a sensor detects and the closed -loop control technique, and dynamic adjustment silk thread tension guarantees that tension is invariable, realize tensile dynamic adjustment through changing electric magnetic force magnitude, control simple and conveniently, simple structure, it is with low costs. The utility model discloses use extensively, can be applied to the occasion that weaving, wire -electrode cutting, coil winding etc. Need silk thread tension to adjust.
Description
Technical field
The utility model relates to a kind of electromagnetism constant tension device that automatically can adjust thread tension.
Background technology
Electric spark linear cutting machine structure is simple, with low cost, has working (machining) efficiency and certain machining accuracy concurrently, is therefore widely used in precision component processing, is still the main development type of China's electric machining industry within following long period of time.But along with the raising required part processing precision, wire cutting machine tool is had higher requirement, further promote the development of Electric Discharge Wire-cutting Technology.
Practice shows, in cutting on line process, the tension variation of wire electrode can produce larger impact to the surface quality of the machining accuracy of workpiece and workpiece, particularly in the finishing passes repeatedly cut, wire electrode is monolateral discharge condition, there will be work pieces process face when processing thicker workpiece and present " dolioform " phenomenon, therefore constant tensile control must be carried out to wire electrode, the wire electrode ensureing to be in machining area is straightened, to obtain higher machining accuracy and surface quality under a stable tension force effect.
Existing WEDM all configures a multi-form tension force of mechanism controls wire electrode that rises, and mainly contain three class forms, a class adopts the Weight type of pure frame for movement, and structure is simple, and cost is low, but the unadjustable control of tension force; One class adopts double filament storage canister identical tension mode, and system architecture is complicated, and cost is high, no-station pole canopy detection; One class is current state-of-the-art technology, and adopt closed-loop control, according to tension pick-up signal, by servomotor regulable control tension force, complex structure, controls loaded down with trivial details, involve great expense.
In addition, all need in technical fields such as weaving and coil windings the control applying to tension force.
Utility model content
The utility model object is to provide for the defect of existing constant tension control system the electromagnetism constant tension device that a kind of structure is simple, with low cost, Tension Adjustable joint controls.
The utility model for achieving the above object, adopts following technical scheme:
A kind of electromagnetism constant tension device, the silk thread comprising Winder and move in described Winder, it is characterized in that: be provided with the tension pick-up for detecting thread tension and the calutron for adjusting thread tension in described silk thread circuit, described tension pick-up is connected with microprocessor with calutron; Described microprocessor controls the magnetic force of calutron exporting change according to the thread tension output signal that tension pick-up detects, and keeps thread tension constant.
It is further characterized in that: described Winder comprises wire storage cylinder, pulley, guide wheel, and described silk thread is driven by wire storage cylinder, is moved by guide wheel, pulley; Described calutron comprises irony weight and solenoid, and described irony weight is suspended on below described pulley, and described solenoid is arranged on below described irony weight.
Further: described microprocessor is connected with host computer, the tension force that described microprocessor sets according to host computer and the actual tension that tension pick-up feeds back compare, export control signal, amplify the magnetic force of rear drive calutron exporting change through drive circuit.
Preferred: described microprocessor adopts PID control method to export control signal.
The drive singal of described calutron is pwm control signal
The utility model has following advantage:
1. adopt sensor to detect and Closed loop Control, dynamic adjustments thread tension, ensures constant tension, improves precision and the surface smoothness of processing;
2. realizing the dynamic adjustments of tension force by changing electromagnetic force size, controlling simple and convenient;
3. structure is simple, and cost is low.
4. be widely used, the occasion that weaving, Linear cut, coil winding etc. need thread tension to regulate can be applied to.
Accompanying drawing explanation
Fig. 1 is the utility model electromagnetism identical tension structural representation.
Fig. 2 is electromagnetism constant tensile control theory diagram.
Detailed description of the invention
Be applied to the line cutting electrode silk electromagnetism constant tension device of electric spark linear cutting machine as shown in Figure 1, comprise wire storage cylinder 5, guide wheel 6, be installed on pulley 4 between guide wheel 9, guide wheel 10, be installed on tension pick-up 1, irony weight 2 and solenoid 3 between guide wheel 7, guide wheel 8.Wire electrode is driven by wire storage cylinder 5, reciprocating at surface of the work by guide wheel, pulley.
Constant tensile control principle as shown in Figure 2, tension pick-up send microprocessor after converting the tension force of wire electrode to the signal of telecommunication, the tension force that microprocessor sets according to host computer compares with the actual tension fed back, pass through PID arithmetic, draw corresponding pwm control signal DM, thus regulate the Tensity size of wire electrode.Detected and Closed loop Control by sensor, dynamic adjustments wire electrode tension, ensure constant tension, improve precision and the surface smoothness of processing.
Technical solutions of the utility model are widely used, and can also be applied to the occasion that weaving, Linear cut, coil winding etc. need thread tension to regulate.
The above embodiment is only that preferred embodiment of the present utility model is described; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that ability those of ordinary skill is made the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (5)
1. an electromagnetism constant tension device, the silk thread comprising Winder and move in described Winder, it is characterized in that: be provided with the tension pick-up for detecting thread tension and the calutron for adjusting thread tension in described silk thread circuit, described tension pick-up is connected with microprocessor with calutron; Described microprocessor controls the magnetic force of calutron exporting change according to the thread tension output signal that tension pick-up detects, and keeps thread tension constant.
2. electromagnetism constant tension device according to claim 1, it is characterized in that: described Winder comprises wire storage cylinder, pulley, guide wheel, described silk thread is driven by wire storage cylinder, is moved by guide wheel, pulley; Described calutron comprises irony weight and solenoid, and described irony weight is suspended on below described pulley, and described solenoid is arranged on below described irony weight.
3. electromagnetism constant tension device according to claim 1 and 2, it is characterized in that: described microprocessor is connected with host computer, the tension force that described microprocessor sets according to host computer and the actual tension that tension pick-up feeds back compare, export control signal, amplify the magnetic force of rear drive calutron exporting change through drive circuit.
4. electromagnetism constant tension device according to claim 3, is characterized in that: described microprocessor adopts PID control method to export control signal.
5. electromagnetism constant tension device according to claim 4, is characterized in that: the drive singal of described calutron is pwm control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745709.4U CN204954093U (en) | 2015-09-24 | 2015-09-24 | Permanent tension device of electromagnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745709.4U CN204954093U (en) | 2015-09-24 | 2015-09-24 | Permanent tension device of electromagnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204954093U true CN204954093U (en) | 2016-01-13 |
Family
ID=55049190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520745709.4U Expired - Fee Related CN204954093U (en) | 2015-09-24 | 2015-09-24 | Permanent tension device of electromagnetism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204954093U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607315A (en) * | 2019-01-07 | 2019-04-12 | 烽火通信科技股份有限公司 | It is a kind of can on-line control tension optical fiber wire releasing device |
| CN109865909A (en) * | 2019-03-21 | 2019-06-11 | 合肥工业大学 | A kind of accurate automatic wire feeding device and technique of high speed electrode wire |
| CN112708997A (en) * | 2020-12-20 | 2021-04-27 | 常军 | Controllable electromagnetic type tension adjustment is winding displacement mechanism for knitting machine |
| CN114289807A (en) * | 2022-01-19 | 2022-04-08 | 无锡职业技术学院 | Spiral groove guide wheel-based micro-wire electrode tension self-adaptive adjusting device and method |
-
2015
- 2015-09-24 CN CN201520745709.4U patent/CN204954093U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607315A (en) * | 2019-01-07 | 2019-04-12 | 烽火通信科技股份有限公司 | It is a kind of can on-line control tension optical fiber wire releasing device |
| CN109865909A (en) * | 2019-03-21 | 2019-06-11 | 合肥工业大学 | A kind of accurate automatic wire feeding device and technique of high speed electrode wire |
| CN112708997A (en) * | 2020-12-20 | 2021-04-27 | 常军 | Controllable electromagnetic type tension adjustment is winding displacement mechanism for knitting machine |
| CN112708997B (en) * | 2020-12-20 | 2022-06-14 | 杭州欣怡针织有限公司 | Controllable electromagnetic type tension adjustment is winding displacement mechanism for knitting machine |
| CN114289807A (en) * | 2022-01-19 | 2022-04-08 | 无锡职业技术学院 | Spiral groove guide wheel-based micro-wire electrode tension self-adaptive adjusting device and method |
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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: 20160113 Termination date: 20170924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |