CN205317806U - Stranding machine broken string detecting system - Google Patents
Stranding machine broken string detecting system Download PDFInfo
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- CN205317806U CN205317806U CN201620039563.6U CN201620039563U CN205317806U CN 205317806 U CN205317806 U CN 205317806U CN 201620039563 U CN201620039563 U CN 201620039563U CN 205317806 U CN205317806 U CN 205317806U
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Abstract
The utility model discloses a stranding machine broken string detecting system belongs to the cable manufacture field. Including stranding machine and stranding machine control system, the perpendicular of stranding machine fuselage main shaft be provided with round pretwist support and two rings of supports respectively, each support top is provided with the guide pulley, is provided with the guide pulley on each pretwist support, guide pulley top and the guide pulley on the pretwist support that the cable sinle silk passes through on the support are connected near fuselage main shaft end back and stranded conductor dish, one side of each pretwist support guide pulley is provided with rotary encoder, rotary encoder be connected with PLC1, PLC1 and stranding machine control system's PLC are connected, rotary encoder detects the guide pulley signal at place. The stranding machine still includes the rotary encoder who sets up on the guide pulley of pull wire place, rotary encoder and stranding machine control system's the PLC of pull wire place guide pulley be connected. It has the non -blind area of detection, high, the fast advantage of efficiency of precision.
Description
Technical field
This utility model relates to cable production art, more particularly, it relates to a kind of wire twisting machine broken wire detection system.
Background technology
Wire twisting machine be a kind of can be widely used in all kinds of soft/the stranded plant equipment of hard conductor lines, make many lists prop up conductor and be twisted into one, reach the technological requirement of wire rod. Wire twisting machine can be generally divided into single twist cabling machine, pair twister, high-speed cable stranding-up machine, untwisting machine, cage stranding machine, frame type stranding machine, tube-type line strander and disc type wire twisting machine etc. according to twisted wire mode.
Current electrician's special product equipment, whether wire twisting machine (main frame) twisted pair wire electric wire is all adopt each drum to rotate to judge twisting process interrupt line processed detection. With drum synchronous axial system expansion force disc on install one piece sampling disk, periphery is gear or circular hole, sensor it is provided with by disk, sensor just circular hole place to gear or disk, sensor acquisition, to the variable signal of disk rotational, judges whether drum rotates, and namely drum stops operating and represents drum broken string, by breaking, controller is reported to the police immediately, and wire twisting machine stops immediately. This burn out detection is dishful for drum or cannot detect close to blank panel, it is impossible to detects each drum and goes out linear velocity. So, there is individual dead band (dishful and close to blank panel) for detection drum, it is impossible to detect when drum breaks and report to the police parking immediately.
Chinese patent application, application number 201110029141.2, publication date on May 25th, 2011, disclose self-powered breakage stopping device for frame-type strander, a kind of self-powered breakage stopping device for frame-type strander of disclosure of the invention, including multiple sensors, signal processing module, wireless transmit from machine, wireless receiving main frame and self powered supply. It is an advantage of the invention that, utilize frame winch when twisted wire operation, twisted wire drives draw drum to rotate, and this DC tachometer generator is driven generating by draw drum, and charged a battery by charging circuit, thus powering from machine for sensor, signal processing module and wireless transmit, therefore needing to take apart frame winch and install conducting slip ring compared to existing additional and be powered mode, the present invention need not change any frame for movement of frame winch, and repacking is simple. Owing to still belonging to disc type detection, having blind area when detection, accuracy of detection is low.
Summary of the invention
1. to solve the technical problem that
Having the low problem in blind area, accuracy of detection for the detection existed in prior art, this utility model provides a kind of wire twisting machine broken wire detection system and detection method, the advantage that it has detection non-blind area, precision is high, efficiency is fast.
2. technical scheme
The purpose of this utility model is achieved through the following technical solutions.
A kind of wire twisting machine broken wire detection system, system is controlled including wire twisting machine and wire twisting machine, the vertical of described wire twisting machine fuselage main shaft is respectively arranged with circle pretwist support and two coil supports, pretwist support and support are uniformly distributed in place plane, described pretwist support is arranged at two side stand central authorities, and both sides support height is identical, and each cantilever tip is provided with guide wheel, being provided with guide wheel on each pretwist support, the idler height on pretwist support is lower than cantilever tip idler height; Cable core is connected with tray after fuselage spindle end by the guide wheel top on support and the guide wheel on pretwist support;
The side of each pretwist support guide wheel is provided with rotary encoder, and described rotary encoder is connected with PLC1, and the PLC that PLC1 controls system with wire twisting machine is connected; The guide wheel signal at place is detected by rotary encoder.
Wire twisting machine also includes the rotary encoder arranged on the guide wheel of draught line place, and the PLC that the rotary encoder of described draught line place guide wheel controls system with wire twisting machine is connected.
Further, described pretwist support being provided with slide block, slide block is fixing with guide wheel to be connected, and slide block slides up and down along pretwist support, and slide block is by fastening screw and the fastening of pretwist support. Slide block makes the guide wheel of pretwist support can slide up and down along support, regulates the height of guide wheel, adjusts guide wheel and compresses the dynamics of cable core.
Further, described pretwist support and frame bottom are provided with through hole, and the code device signal line of rotary encoder is connected with external system by through hole.
Further, described rotary encoder (5) being provided with wireless module, PLC1 and PLC is provided with wireless module, and rotary encoder is connected with PLC1 and PLC by wireless module. Wireless module is easy to control, installs simple, and efficiency is high.
Further, described PLC is provided with touch screen.
Further, it is provided with collector ring between described rotary encoder and external system.
A kind of wire twisting machine wire break detection method, its step is as follows:
(A) detection system initialization, set linear velocity reference values X, the velocity pulse at draught line place rotary encoder detection draught line (8), in input PLC, through PLC computing, output analogue signal, analogue signal is sent to fuselage PLC1 then through collector ring, draws traction reference amble signal linear velocity through PLC1 sequential operation;
(B) by the rotary encoder of a pretwist support, the rate signal of 1 cable core being detected, signal input enters in PLC1, and PLC1 obtains the linear velocity of place cable core after carrying out computing;
(C) linear velocity of the traction reference amble signal linear velocity obtained in step (A) and step (B) with cable core is compared in PLC1;
A, when the linear velocity≤X% of cable core draws reference amble signal linear velocity, it is judged that this cable core breaks, and exports warning stop sign, controls wire twisting machine out of service;
B, when the linear velocity > X% of cable core draws reference amble signal linear velocity, continue the detection to the linear velocity at place;
(D) all of cable core carries out the detection of step (B) and (C);
(E) when the linear velocity≤X% having any wire cable core draws reference amble signal linear velocity, system output warning stop sign, wire twisting machine is out of service.
Further, described X value is 85-98.
Further, described cable core (4) linear velocity calculating formula is as follows:
V=N × d × π
Further, described rotary encoder is linear velocity detector, and directly after detection linear velocity, input PLC1 carries out linear velocity and compares.
3. beneficial effect
Compared to prior art, the utility model has the advantage of:
(1) present invention by installing rotating speed coder on the pre-twisted guide wheel of main shaft support side, acquisition pulse signal is to Programmable Logic Controller, overcome the situation that the wire-coil type detection each drum of system occurs that the different detection caused of speed is inaccurate and dies, the detection system of the present invention and detection method, as long as there being a certain filament abnormal wire speed occur, namely can determine that broken string, the very first time reports to the police and stops, shorten fracture of wire stroke, improve fracture of wire remediation efficiency, improve wire twisting machine productivity effect;
(2) present invention adopts slide block to control the height of pretwist support guide wheel so that twisted wire compresses, and does not skid when operation, and detection speed is more accurate, and adjustable slider designs so that adjust convenient when operation detects more targeted;
(3) present invention uses wireless module to rotate the signal transmission of encoder, and transmission is convenient, installs simple, and service efficiency is high;
(4) detection method of native system, by the comparison of each cable core Yu draught line linear velocity, it is judged that whether core breaks, it is judged that rapidly, error is little, and error can be adjusted and optimize, simple in construction, and cost is low, it is easy to promote.
Accompanying drawing explanation
Fig. 1 is wire twisting machine overall structure schematic diagram of the present utility model;
Fig. 2 is pretwist side face structural representation;
Fig. 3 is wire twisting machine broken string control circuit system schematic;
Fig. 4 is wire twisting machine broken string control circuit electrical schematic diagram;
Fig. 5 is wire twisting machine wire break detection method flow chart.
Number in the figure illustrates:
1, pretwist support; 2, support; 3, guide wheel; 4, cable core; 5, rotary encoder; 6, code device signal line; 7, slide block; 8, draught line; 9, touch screen; 10, collector ring.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, this utility model is described in detail.
Embodiment 1
Such as Fig. 1, shown in 2, a kind of wire twisting machine broken wire detection system of the present utility model, system is controlled including wire twisting machine and wire twisting machine, wire twisting machine is twisted mutually with cable core 4 by place main shaft for one week by some, main shaft is evenly distributed with the wire twisting equipment of place core for one week, the vertical of described wire twisting machine fuselage main shaft is respectively arranged with circle pretwist support 1 and two coil supports 2, pretwist support 1 and support 2 are uniformly distributed in place plane, described pretwist support 1 is arranged at two side stand 2 central authorities, two side stands 2 are highly identical, each support 2 top is provided with guide wheel 3, each pretwist support 1 is provided with guide wheel 3, guide wheel 3 height on pretwist support 1 is lower than support 2 top guide wheel 3 height, cable core 4 is connected with tray after fuselage spindle end by guide wheel 3 top on support 2 and the guide wheel 3 on pretwist support 1, being provided with slide block 7 on described pretwist support 1, slide block 7 is fixing with guide wheel 3 to be connected, and slide block 7 slides up and down along pretwist support 1, and slide block 7 fastens with pretwist support 1 by fastening screw. cable core 4 is compressed by the guide wheel on pretwist support 1, and slide block 7 controls the height of pretwist support guide wheel 3 so that cable core 4 compresses, not skidding when operation, detection speed is more accurate, adjustable slider designs, make to adjust convenient when running, detect more targeted, it is provided with collector ring 10 between described rotary encoder 5 and external system.
The side of each pretwist support 1 guide wheel 3 is provided with rotary encoder 5, and described rotary encoder 5 is connected with PLC1, and the PLC that PLC1 controls system with wire twisting machine is connected; Wire twisting machine is additionally provided with draught line 8, and draught line 8 compares as the normal line of cable core 4 and draws. The rotary encoder 5 arranged on the guide wheel of draught line 8 place, the PLC that the rotary encoder 5 of described draught line 8 place guide wheel controls system with wire twisting machine is connected. Wire twisting machine hauling speed is also by rotary encoder acquisition pulse signal, is input to wire twisting machine bench board PLC, through PLC program computing, exports I1 (4-20MA) analogue signal. I1 analogue signal is sent to fuselage PLC1 then through collector ring, draws hauling speed instantaneous value through PLC1 sequential operation, and as reference synchronization linear velocity, the linear velocity of each filament is by comparison relatively.
Being provided with through hole bottom described pretwist support 1 and support 2, the code device signal line 6 of rotary encoder 5 is connected with external system by through hole. It is connected on the PLC of control system signal is processed.
As shown in Figure 3,4, wire twisting machine broken string control part is made up of rotary encoder and high speed PLC1, and DC24V powers, duplex feeding is L+ and M, traction synchronizing datum signal I1 and M, break alarm output signal Y1 and M, it is necessary to 4 road collector rings are connected to wire twisting machine bench board. Described PLC is provided with touch screen 9, conveniently PLC is configured and controls.
Wire twisting machine fuselage main shaft support side pre-twisted guide wheel is installed rotating speed coder TRD, 1-n, record each filament guide wheel rotary pulsed during wire twisting machine runs, pulse signal is input to high speed PLC1 input interface X0-Xn, PLC1 draws the instantaneous linear velocity of each filament through sequential operation, again with from wire twisting machine hauling speed I1, namely reference synchronization speed is compared, and I1 is converted to speed amount through PLC program. Error reaches X and has decided that broken string, PLC1 output switching signal Y1, and wire twisting machine bench board stops warning immediately.
As it is shown in figure 5, a kind of wire twisting machine wire break detection method, its step is as follows:
(A) detection system initialization, set linear velocity reference values X, draught line 8 place rotary encoder 5 detects the velocity pulse of draught line 8, in input PLC, through PLC computing, output analogue signal, analogue signal is sent to fuselage PLC1 then through collector ring, draws traction reference amble signal linear velocity through PLC1 sequential operation;
(B) by the rotary encoder 5 of a pretwist support 1, the rate signal of 1 cable core 4 being detected, signal input enters in PLC1, and PLC1 obtains the linear velocity of place cable core 4 after carrying out computing;
(C) linear velocity of the traction reference amble signal linear velocity obtained in step (A) and step (B) with cable core 4 is compared in PLC1;
A, when cable core 4 linear velocity≤98% draw reference amble signal linear velocity time, X value is 98, it is judged that this cable core 4 breaks, export warning stop sign, control wire twisting machine out of service;
B, when the linear velocity > 98% of cable core 4 draws reference amble signal linear velocity, continue the detection to the linear velocity at place;
(D) all of cable core 4 carries out the detection of step (B) and (C);
(E) when linear velocity≤98% having any wire cable core 4 draws reference amble signal linear velocity, system output warning stop sign, wire twisting machine is out of service.
Pulsed quantity PLC has proprietary application instruction SPD, and impulse speed detects, and uses instruction to be programmed, and described cable core 4 linear velocity calculating formula is as follows:
V=N × d × π
This detection system is detection drum instantaneous linear velocity when twisted wire, and by installing rotating speed coder on the pre-twisted guide wheel of main shaft support side, acquisition pulse signal is to Programmable Logic Controller, by the Programmable Logic Controller filament speed monitor in real time to drum.Each drum on every section of strand body goes out what linear velocity was just as, and no matter machine runs speed. Again with from wire twisting machine hauling speed, namely reference synchronization speed is compared. As long as there being a certain filament abnormal wire speed occur, error X can be set by Programmable Logic Controller, namely can determine that broken string, and the very first time reports to the police and stops, and shortens fracture of wire stroke, improves fracture of wire remediation efficiency, improves wire twisting machine productivity effect.
Embodiment 2
A kind of wire twisting machine broken wire detection system of the present invention, system is controlled including wire twisting machine and wire twisting machine, wire twisting machine is twisted mutually with cable core 4 by place main shaft for one week by some, main shaft is evenly distributed with the wire twisting equipment of place core for one week, the vertical of described wire twisting machine fuselage main shaft is respectively arranged with circle pretwist support 1 and two coil supports 2, pretwist support 1 and support 2 are uniformly distributed in place plane, described pretwist support 1 is arranged at two side stand 2 central authorities, two side stands 2 are highly identical, each support 2 top is provided with guide wheel 3, each pretwist support 1 is provided with guide wheel 3, guide wheel 3 height on pretwist support 1 is lower than support 2 top guide wheel 3 height, cable core 4 is connected with tray after fuselage spindle end by guide wheel 3 top on support 2 and the guide wheel 3 on pretwist support 1, being provided with slide block 7 on described pretwist support 1, slide block 7 is fixing with guide wheel 3 to be connected, and slide block 7 slides up and down along pretwist support 1, and slide block 7 fastens with pretwist support 1 by fastening screw. cable core 4 is compressed by the guide wheel on pretwist support 1, and slide block 7 controls the height of pretwist support guide wheel 3 so that cable core 4 compresses, not skidding when operation, detection speed is more accurate, adjustable slider designs, make to adjust convenient when running, detect more targeted, it is provided with collector ring 10 between described rotary encoder 5 and external system.
The side of each pretwist support 1 guide wheel 3 is provided with rotary encoder 5, and described rotary encoder 5 is linear velocity detector, and directly after detection linear velocity, input PLC1 carries out linear velocity and compares. Described rotary encoder 5 is connected with PLC1, and the PLC that PLC1 controls system with wire twisting machine is connected; Wire twisting machine is additionally provided with draught line 8, and draught line 8 compares as the normal line of cable core 4 and draws. The rotary encoder 5 arranged on the guide wheel of draught line 8 place, the PLC that the rotary encoder 5 of described draught line 8 place guide wheel controls system with wire twisting machine is connected. Wire twisting machine hauling speed is also by rotary encoder linear velocity, is sent to fuselage PLC1, draws hauling speed instantaneous value through PLC1 sequential operation, as reference synchronization linear velocity, with the linear velocity of each filament by comparison relatively.
Being provided with wireless module on described rotary encoder 5, PLC1 and PLC is provided with wireless module, and rotary encoder 5 is connected with PLC1 and PLC by wireless module. Signal on rotary encoder 5 is transmitted to PLC by wireless module, convenient and swift, easy to maintenance. Rotary encoder 5 can be the encoder of built-in power, and modularity detects, and it is convenient to replace, easy to maintenance.
Wire twisting machine fuselage main shaft support side pre-twisted guide wheel is installed rotating speed coder TRD, 1-n, records the instantaneous linear velocity of each filament guide wheel during wire twisting machine runs, then with from wire twisting machine hauling speed I1, namely reference synchronization speed is compared. Error reaches X and has decided that broken string, PLC1 output switching signal Y1, and wire twisting machine bench board stops warning immediately.
As it is shown in figure 5, a kind of wire twisting machine wire break detection method, its step is as follows:
(A) detection system initialization, sets linear velocity reference values X, and draught line 8 place rotary encoder 5 detects the linear velocity of draught line 8, is sent to fuselage PLC1 then through collector ring, draws traction reference amble signal linear velocity through PLC1 sequential operation;
(B) by the rotary encoder 5 of a pretwist support 1, the rate signal of 1 cable core 4 being detected, signal input enters in PLC1, and PLC1 obtains the linear velocity of place cable core 4;
(C) in PLC1, the linear velocity of the traction reference amble signal linear velocity obtained in step (A) and step (B) with cable core 4 is compared in PLC1;
A, when cable core 4 linear velocity≤85% draw reference amble signal linear velocity time, X value is 85, it is judged that this cable core 4 breaks, export warning stop sign, control wire twisting machine out of service;
B, when the linear velocity > 85% of cable core 4 draws reference amble signal linear velocity, continue the detection to the linear velocity at place;
(D) all of cable core 4 carries out the detection of step (B) and (C);
(E) when linear velocity≤85% having any wire cable core 4 draws reference amble signal linear velocity, system output warning stop sign, wire twisting machine is out of service.
Described cable core 4 linear velocity calculating formula is as follows:
V=N × d × π
This detection system is detection drum instantaneous linear velocity when twisted wire, and by hookup wire velocity sensor on the pre-twisted guide wheel of main shaft support side, gathering line rate signal Programmable Logic Controller, by the Programmable Logic Controller filament speed monitor in real time to drum. Each drum on every section of strand body goes out what linear velocity was just as, and no matter machine runs speed. Again with from wire twisting machine hauling speed, namely reference synchronization speed is compared. As long as there being a certain filament abnormal wire speed occur, reaching error X can be set by Programmable Logic Controller, namely can determine that broken string, and the very first time reports to the police and stops, and shortens fracture of wire stroke, improves fracture of wire remediation efficiency, improves wire twisting machine productivity effect.
Below schematically this utility model being created and embodiment is described, this description does not have restricted, when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms. Shown in accompanying drawing is also one of embodiment of the invention, and actual structure is not limited thereto, and any accompanying drawing labelling in claim should not limit involved claim. So, if those of ordinary skill in the art is enlightened by it, when without departing from this creation objective, design the frame mode similar to this technical scheme and embodiment without creationary, the protection domain of this patent all should be belonged to. Additionally, " including " word is not excluded for other elements or step, " one " word before element is not excluded for including " multiple " this element. In claim to a product, multiple elements of statement can also be realized by software or hardware by an element. The first, the second word such as grade is used for representing title, and is not offered as any specific order.
Claims (6)
1. a wire twisting machine broken wire detection system, system is controlled including wire twisting machine and wire twisting machine, it is characterized in that: the vertical of described wire twisting machine fuselage main shaft is respectively arranged with circle pretwist support (1) and two coil supports (2), pretwist support (1) and support (2) are uniformly distributed in place plane, described pretwist support (1) is arranged at two side stands (2) central authorities, two side stands (2) are highly identical, each support (2) top is provided with guide wheel (3), each pretwist support (1) is provided with guide wheel (3), guide wheel (3) height on pretwist support (1) is lower than support (2) top guide wheel (3) highly,Cable core (4) is connected with tray after fuselage spindle end by guide wheel (3) top on support (2) and the guide wheel (3) on pretwist support (1);
The side of each pretwist support (1) guide wheel (3) is provided with rotary encoder (5), and described rotary encoder (5) is connected with PLC1, and the PLC that PLC1 controls system with wire twisting machine is connected;
Wire twisting machine also includes the rotary encoder (5) arranged on the guide wheel of draught line (8) place, and the PLC that the rotary encoder (5) of described draught line (8) place guide wheel controls system with wire twisting machine is connected.
2. a kind of wire twisting machine broken wire detection system according to claim 1, it is characterized in that: described pretwist support (1) is provided with slide block (7), slide block (7) is fixing with guide wheel (3) to be connected, slide block (7) slides up and down along pretwist support (1), and slide block (7) is by fastening screw and pretwist support (1) fastening.
3. a kind of wire twisting machine broken wire detection system according to claim 1 and 2, it is characterized in that: described pretwist support (1) and support (2) bottom are provided with through hole, and the code device signal line (6) of rotary encoder (5) is connected with external system by through hole.
4. a kind of wire twisting machine broken wire detection system according to claim 1 and 2, it is characterized in that: described rotary encoder (5) is provided with wireless module, PLC1 and PLC is provided with wireless module, and rotary encoder (5) is connected with PLC1 and PLC by wireless module.
5. a kind of wire twisting machine broken wire detection system according to claim 1, it is characterised in that: described PLC is provided with touch screen (9).
6. a kind of wire twisting machine broken wire detection system according to claim 3, it is characterised in that: it is provided with collector ring (10) between described rotary encoder (5) and external system.
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| CN201620039563.6U CN205317806U (en) | 2016-01-14 | 2016-01-14 | Stranding machine broken string detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548596A (en) * | 2016-01-14 | 2016-05-04 | 马鞍山市天力机械有限公司 | Line breakage detection system and method for stranding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548596A (en) * | 2016-01-14 | 2016-05-04 | 马鞍山市天力机械有限公司 | Line breakage detection system and method for stranding machine |
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Granted publication date: 20160615 |