CN203565520U - Novel constant tension control device for front and back passes of wire drawing machine - Google Patents
Novel constant tension control device for front and back passes of wire drawing machine Download PDFInfo
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- CN203565520U CN203565520U CN201320691302.9U CN201320691302U CN203565520U CN 203565520 U CN203565520 U CN 203565520U CN 201320691302 U CN201320691302 U CN 201320691302U CN 203565520 U CN203565520 U CN 203565520U
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Abstract
The utility model provides a novel constant tension control device for front and back passes of a wire drawing machine. The novel constant tension control device comprises a rack, a front-pass winding drum and a back-pass winding drum, wherein the front-pass winding drum and the back-pass winding drum are arranged on the rack, rotate in the same direction and are used for drawing a metal wire; sensing devices which are used for sensing the rotating speed change of the winding drums are arranged between the front-pass winding drum and the back-pass winding drum; each sensing device comprises a crank-shaped swing rod; the middle part of each swing rod is hinged to the rack; a pre-tensioning device is arranged at the upper end of each swing rod; a dip angle sensing device is arranged at the middle part of each swing rod; and a transmission roller is connected to the lower end of each swing rod. According to the constant tension control device, a mechanism of an existing tension control device is greatly simplified, the swing amount measurement accuracy of the swing rods is improved, the measurement accuracy of tension change is improved, and the production cost, the installation cost and the maintenance cost are reduced. Moreover, by use of dip angle sensors, signals of the dip angle sensors are directly fed back to a frequency converter with a PID (proportion integration differentiation) unit, a PLC (programmable logic controller) analog quantity module is eliminated, and the number of occupied PLC points is greatly decreased.
Description
Technical field
The utility model relates to a kind of wiredrawing machine front and back passage constant tension control device.
Background technology
Wire drawing machine is the capital equipment during silk thread drawing is produced.It is wire thicker diameter, by special wire drawing die be progressively drawn into specify specification compared with a kind of metallic article process equipment of fine wire.
The utility model relates to a kind of wiredrawing machine front and back passage constant-tension control mode, is mainly used in the tension force control of straight-line machine front and back passage, and in assurance drawing process, constant tension between the passage of front and back, reduces fracture of wire phenomenon, raising wire drawing quality.
The existing problem of prior art and defect: in drawing process, the velocity variations of reel can cause the variation of wire tension force, thus the swing of fork in constant tension control device caused.In prior art, substantially be all by gear, cam etc., compared with the combination of complex mechanism, are converted into straight-line displacement amount by the amount of spin of fork, pass through again the variation of linear displacement transducer detection of straight lines displacement, thereby learn that variation has occurred two wire tension force between drawing block.Prior art cathetus sensor signal is all to feed back to PLC analog module substantially, then controls through PLC, and then changes motor speed.Increase analog module and not only increase cost, also will take in a large number PLC and count.In prior art, linear displacement transducer price relative inclination sensor price is higher, constant tension control device mechanism more complicated, and production, installation, maintenance cost are all higher.
Summary of the invention
The utility model has mainly certainly been separated existing constant tension control device mechanism complexity, the problem such as production, installation, maintenance cost are higher.
Specific embodiments of the present utility model is: passage constant tension control device before and after a kind of wiredrawing machine, comprise frame and be arranged in frame two homodromal for drawing front passage reel wiry and rear passage reel, between described front passage reel and rear passage reel, be provided with the induction installation for responding to drum speed, described induction installation comprises and turns shape fork, fork middle part is hinged with frame, the upper end of fork is provided with pretension apparatus, fork middle part is provided with inclination angle sensing device, the lower end of fork is connected with conveying roller, wire after front passage reel through the conveying roller of front passage reel top to after the conveying roller output of passage reel top after pile warp again of passage reel.
Further, described inclination angle sensing device comprises and is fixed on fixed block in the swing arm of turning between shape fork upper end and hinged place, middle part, fixed block is provided with the obliquity sensor perpendicular with swing arm, and described obliquity sensor is connected with corresponding frequency converter through signal amplifier.
Further, described pretension mechanism is cylinder, described cylinder piston boom end with turn shape fork upper end and be hinged.
Further, described frequency converter is the frequency converter that carries PID.
Compared with prior art, the utlity model has following beneficial effect: the utility model is converted to fork change of pitch angle by the drum speed wire tension variation causing that fluctuates, greatly simplified the mechanism of existing tenslator, improve the certainty of measurement of fork oscillating quantity, improved tension variation certainty of measurement, and reduced production, installation, maintenance cost, can be widely used in wire drawing machine or other occasion that need to carry out permanent tension force control.In addition, the utility model has used obliquity sensor, and this sensor signal directly feeds back to the frequency converter that carries PID, has saved PLC analog module, and the PLC taking counts and greatly reduces.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that between the utility model reel, wire tension force becomes large view.
Fig. 3 is the wire tension force view that diminishes between the utility model reel.
in figure: passage reel after 1-, 2-live-roller, passage reel before 3-, 4-wire, 5-roller, 6-fork, 7-rotating shaft, 8-fixed block, 9-obliquity sensor, 10-signal amplifier, 11-frequency converter, 12-cylinder.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figures 1 to 3, in frame two homodromal for transmitting rear passage reel wiry 1 and front passage reel 3, between rear passage reel 1 and front passage reel 3, be provided with live-roller 2, rear passage reel 1 is provided with the induction installation for responding to drum speed with front passage reel 3 tops, induction installation comprises and turns shape fork 6, fork 6 middle parts are hinged by rotating shaft 7 and frame, the upper end of fork 6 is provided with cylinder 12, fork 6 middle parts are provided with inclination angle sensing device, the lower end of fork 6 is connected with conveying roller 5, wire after front passage reel 3 through the conveying roller of top to after the passage reel 1 conveying roller output of passage reel 1 top after pile warp again.Described pretension mechanism is cylinder 12, the piston rod end of described cylinder 12 with turn shape fork 6 upper ends and be hinged.
Inclination angle sensing device comprises and is fixed on fixed block 8 in the swing arm of turning between shape fork upper end and hinged place, middle part, fixed block 8 is rectangular-shaped, fixed block 8 is provided with the obliquity sensor perpendicular with swing arm 9, described obliquity sensor 9 is connected with corresponding frequency converter through signal amplifier 10, and described frequency converter is the frequency converter 11 that carries PID.
During use, according to the wire diameter difference of drawing, need at the beginning to be acted on and turned shape fork 6 and provide certain tensile force to wire 4 by cylinder 12, now fork 6 is in initial position, and the signal that obliquity sensor 9 is now exported is initialize signal.
As shown in Figure 2, when after passage reel 1 speed accelerate, or front passage reel 3 speed are slack-off, wire 4 tension force between two winding drum become large, wire 4 pair rollers 5 apply downward pressure, make fork 6 rotate counterclockwise certain angle around rotating shaft 7.Now obliquity sensor 9 is along with fork turns over certain angle, produce a Voltage-output signal, this signal feedback is given the frequency converter 11 that carries PID, this signal and initialize signal contrast, after PID computing, before controlling, the motor of passage reel 3 accelerates, and makes wire 4 tension force between two winding drum recover initial value, guarantees the constant of tension force.
As shown in Figure 3, current pass reel 3 speed accelerate, or rear passage reel 1 speed is slack-off, and wire 4 tension force between two winding drum diminish, and cylinder 12 pulls fork 6, makes fork 6 clockwise rotate certain angle around rotating shaft 7.Now obliquity sensor 9 is along with fork turns over certain angle, produce a Voltage-output signal, this signal feedback is given the frequency converter that carries PID, this signal and initialize signal contrast, after PID computing, the decelerating through motor of passage reel 3 before controlling, makes wire 4 tension force between two winding drum recover initial value, guarantees the constant of tension force.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (4)
1. passage constant tension control device before and after a wiredrawing machine, it is characterized in that, comprise frame and be arranged in frame two homodromal for drawing front passage reel wiry and rear passage reel, between described front passage reel and rear passage reel, be provided with the induction installation changing for responding to drum speed, described induction installation comprises and turns shape fork, fork middle part is hinged with frame, the upper end of fork is provided with pretension apparatus, fork middle part is provided with inclination angle sensing device, the lower end of fork is connected with conveying roller, wire after front passage reel through the conveying roller of front passage reel top to after the conveying roller output of passage reel top after pile warp again of passage reel.
2. passage constant tension control device before and after a kind of wiredrawing machine according to claim 1, described inclination angle sensing device comprises and is fixed on fixed block in the swing arm of turning between shape fork upper end and hinged place, middle part, fixed block is provided with the obliquity sensor perpendicular with swing arm, and described obliquity sensor is connected with corresponding frequency converter through signal amplifier.
3. passage constant tension control device before and after a kind of wiredrawing machine according to claim 1, described pretension mechanism is cylinder, described cylinder piston boom end with turn shape fork upper end and be hinged.
4. passage constant tension control device before and after a kind of wiredrawing machine according to claim 2, described frequency converter is the frequency converter that carries PID.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320691302.9U CN203565520U (en) | 2013-11-05 | 2013-11-05 | Novel constant tension control device for front and back passes of wire drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320691302.9U CN203565520U (en) | 2013-11-05 | 2013-11-05 | Novel constant tension control device for front and back passes of wire drawing machine |
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| CN203565520U true CN203565520U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320691302.9U Expired - Fee Related CN203565520U (en) | 2013-11-05 | 2013-11-05 | Novel constant tension control device for front and back passes of wire drawing machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275355A (en) * | 2014-08-28 | 2015-01-14 | 四川顶锐液压设备制造有限公司 | Horizontal cable drawing machine used for producing power supply cables in hydraulic systems |
| CN104384210A (en) * | 2014-08-28 | 2015-03-04 | 四川顶锐液压设备制造有限公司 | Cable drawing machine for producing hydraulic system service cable |
| CN104384211A (en) * | 2014-08-28 | 2015-03-04 | 四川顶锐液压设备制造有限公司 | Horizontal continuous cable drawing machine for producing hydraulic system service cable |
| CN105562443A (en) * | 2014-11-10 | 2016-05-11 | 合肥神马科技集团有限公司 | Drawbench and adjusting and detecting method for tension feedback system thereof |
| CN106044386A (en) * | 2016-06-22 | 2016-10-26 | 安庆潜江电缆有限公司 | Single-row copper wire tensioning machine for cables |
| CN106044387A (en) * | 2016-06-22 | 2016-10-26 | 安庆潜江电缆有限公司 | Alarming type copper wire double-row tensioning equipment for cable |
| CN106044385A (en) * | 2016-06-22 | 2016-10-26 | 安庆潜江电缆有限公司 | Double-row copper wire tensioning machine for cables |
| CN106944488A (en) * | 2017-04-17 | 2017-07-14 | 建科机械（天津）股份有限公司 | A kind of reinforced bar processing device and bar diameter control method |
| CN107553223A (en) * | 2017-08-31 | 2018-01-09 | 太仓陶氏电气有限公司 | A kind of method of work of the fin processing with monitoring function triangular drawbench |
| CN107983786A (en) * | 2017-12-29 | 2018-05-04 | 无锡常欣科技股份有限公司 | Tune arm configuration |
| CN109332420A (en) * | 2018-11-06 | 2019-02-15 | 昆山佰奥智能装备股份有限公司 | Tension adjustment mechanism |
| CN113857276A (en) * | 2021-10-28 | 2021-12-31 | 贵州航天南海科技有限责任公司 | Accurate speed regulation control system and method for wire drawing machine |
-
2013
- 2013-11-05 CN CN201320691302.9U patent/CN203565520U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275355A (en) * | 2014-08-28 | 2015-01-14 | 四川顶锐液压设备制造有限公司 | Horizontal cable drawing machine used for producing power supply cables in hydraulic systems |
| CN104384210A (en) * | 2014-08-28 | 2015-03-04 | 四川顶锐液压设备制造有限公司 | Cable drawing machine for producing hydraulic system service cable |
| CN104384211A (en) * | 2014-08-28 | 2015-03-04 | 四川顶锐液压设备制造有限公司 | Horizontal continuous cable drawing machine for producing hydraulic system service cable |
| CN105562443A (en) * | 2014-11-10 | 2016-05-11 | 合肥神马科技集团有限公司 | Drawbench and adjusting and detecting method for tension feedback system thereof |
| CN106044385A (en) * | 2016-06-22 | 2016-10-26 | 安庆潜江电缆有限公司 | Double-row copper wire tensioning machine for cables |
| CN106044387A (en) * | 2016-06-22 | 2016-10-26 | 安庆潜江电缆有限公司 | Alarming type copper wire double-row tensioning equipment for cable |
| CN106044386A (en) * | 2016-06-22 | 2016-10-26 | 安庆潜江电缆有限公司 | Single-row copper wire tensioning machine for cables |
| CN106944488A (en) * | 2017-04-17 | 2017-07-14 | 建科机械（天津）股份有限公司 | A kind of reinforced bar processing device and bar diameter control method |
| CN107553223A (en) * | 2017-08-31 | 2018-01-09 | 太仓陶氏电气有限公司 | A kind of method of work of the fin processing with monitoring function triangular drawbench |
| CN107983786A (en) * | 2017-12-29 | 2018-05-04 | 无锡常欣科技股份有限公司 | Tune arm configuration |
| CN109332420A (en) * | 2018-11-06 | 2019-02-15 | 昆山佰奥智能装备股份有限公司 | Tension adjustment mechanism |
| CN109332420B (en) * | 2018-11-06 | 2023-12-22 | 昆山佰奥智能装备股份有限公司 | Tension adjusting mechanism |
| CN113857276A (en) * | 2021-10-28 | 2021-12-31 | 贵州航天南海科技有限责任公司 | Accurate speed regulation control system and method for wire drawing machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20161105 |