CN219135968U - Constant tension initiative unwrapping wire equipment - Google Patents
Constant tension initiative unwrapping wire equipment Download PDFInfo
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- CN219135968U CN219135968U CN202223301827.5U CN202223301827U CN219135968U CN 219135968 U CN219135968 U CN 219135968U CN 202223301827 U CN202223301827 U CN 202223301827U CN 219135968 U CN219135968 U CN 219135968U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses constant-tension active paying-off equipment, which belongs to the technical field of cable paying-off equipment and comprises a wire coil driven by a power component, wherein the wire coil is arranged on a rack, a wheel set for guiding a cable is arranged on the rack, and a cable tension control component connected with a constant-tension closed-loop controller is arranged on the rack and used for controlling the tension of the cable to be constant. The utility model guides the cable reeled out by the wire coil through the wheel group formed by the plurality of guide wheels arranged on the frame, and controls the tension of the cable to be constant in the reeled out process through the closed loop control formed by the cable tension control component and the constant tension closed loop controller. The utility model has the advantages of simple and compact structure, high automation degree and convenient manufacture, can effectively control the tension of the cable in the paying-off process to be a constant value, has high control precision, realizes constant-speed paying-off, improves paying-off efficiency, and ensures the consistency of the wire diameter and the resistance of the product.
Description
Technical Field
The utility model belongs to the technical field of cable winding and unwinding equipment, and particularly relates to constant-tension active paying-off equipment.
Background
The whole winding drum is driven to rotate by the paying-off machine to realize active paying-off in the production process of the cable or the optical cable, and the inertia of the winding drum is large in the paying-off process in view of the large weight of the winding drum, so that the cable is required to maintain certain tension to ensure the paying-off stability of the cable. At present, the traditional initiative paying-off machine is usually controlled the cable tension by air-vent valve control cylinder, but in the in-service use, the air pressure value of inlet end changes, cylinder wear loss, and the result is very big in the deviation of the power that acts on the receipts spool, and the unstable tension of cable can cause the relaxation degree of cable to appear changing to lead to the quality problem that the product line footpath changes and resistance changes and produces. In view of this, there is an urgent need to develop an active payout device that has high control accuracy and is capable of maintaining a constant tension of a cable.
Disclosure of Invention
The utility model aims to provide constant-tension active paying-off equipment, and aims to solve the technical problems of product wire diameter change and resistance change caused by unstable paying-off tension of the active paying-off equipment in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the constant-tension active paying-off device comprises a wire coil used for winding a cable, wherein the wire coil is arranged on a rack, a wheel set used for guiding the cable is arranged on the rack, a cable tension control assembly is arranged on the rack, and the cable tension control assembly is connected with a constant-tension closed-loop controller and used for controlling the tension of the cable to be constant; the wire coil is driven by the power component and is used for driving the wire coil to rotate and pay off.
Preferably, the wheel set comprises a first guide wheel, a second guide wheel and a third guide wheel which are sequentially arranged from bottom to top, the first guide wheel and the third guide wheel are arranged on the left side above the wire coil, the second guide wheel is arranged on the right side above the wire coil, and a cable which is paid out from the wire coil sequentially bypasses the first guide wheel, the second guide wheel and the third guide wheel to be led out of the frame; the force application end of the cable tension control assembly is arranged between the wire coil and the first guide wheel, between the first guide wheel and the second guide wheel, or between the second guide wheel and the third guide wheel.
Preferably, the cable tension control assembly comprises a cylinder and an electric proportional valve, wherein the cylinder is arranged below the first guide wheel and the second guide wheel, the cylinder body of the cylinder is connected with the frame, and the force application end of a piston rod of the cylinder is abutted to a cable between the first guide wheel and the second guide wheel; the electric proportional valve is arranged on an air inlet pipe of the air cylinder and used for adjusting the pressure applied by the air cylinder to the cable; the electric proportional valve can control the pressure value applied by the air cylinder to the cable to be constant according to the preset pressure value in the constant-tension closed-loop controller.
Preferably, a tension sensor for detecting cable tension is arranged on the third guide wheel, the tension sensor is connected with a constant tension closed-loop controller, and the constant tension closed-loop controller can control the output of the electric proportional valve and control the pressure applied by the air cylinder to the cable according to signals fed back by the tension sensor.
Preferably, two wire coils are arranged on the main shaft for installing the wire coils in parallel, the wheel sets and the cable tension control assemblies are correspondingly arranged into two sets, and the two wire coils, the two sets of wheel sets and the air cylinder are symmetrically arranged on two sides of the frame.
Preferably, the wire coil winding machine further comprises a swinging rod and a balancing weight, wherein the swinging rod is rotationally connected with the machine frame through a rotating shaft, the swinging rod is arranged on the left side of the wire coil, the first guide wheel is arranged at the upper end of the swinging rod, and a main shaft of the wire coil is arranged in parallel with the rotating shaft; the balancing weight is connected with the swing rod through a connecting rod, the junction of the connecting rod and the swing rod is located at the rotating shaft, and the connecting rod is arranged on the left side of the swing rod.
Preferably, a cam in running fit with the rotating shaft is arranged on the rotating shaft, the cam is fixedly connected with the swing rod and the connecting rod, a displacement sensor in linkage with the power component is arranged on the left side of the cam, and the displacement sensor is connected with the constant tension closed loop controller and used for controlling the rotating speed of the wire coil and the pressure applied by the air cylinder to the wire coil.
Preferably, the lower end of the swing rod extends to the lower side of the rotating shaft, and limiting blocks are arranged on two sides of the lower end of the swing rod.
Preferably, a lead frame is arranged on the right side of the top of the frame, and a porcelain eye for a cable to pass through is arranged on the lead frame; the frame is frame-type structure, the bottom of frame is equipped with the base, power component sets up in the frame, power component includes motor and speed reducer, the main shaft rotation of motor drive drum through the speed reducer.
Preferably, the constant tension closed loop controller is a programmable logic controller, and the programmable logic controller is in communication connection with an upper computer through a TCP/IP interface or a human-computer interface through an MPI interface.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: compared with the prior art, the utility model guides the cable which is wound on the wire coil through the wheel group formed by the plurality of guide wheels arranged on the frame, and controls the tension of the cable to be constant in the winding process through the closed-loop control formed by the cable tension control component and the constant tension closed-loop controller. The utility model solves the quality problems of unstable cable stretching and the like caused by untimely tension tracking due to untimely tension control by a pressure regulating valve in the past, can effectively control the tension of the cable at a constant value in the paying-off process, realizes constant-speed paying-off, improves the cable tension control precision and paying-off efficiency, and ensures the consistency of the wire diameter and the resistance of the product.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 shows a constant velocity device according to an embodiment of the present utility model a structural schematic diagram of the active tension paying-off device;
FIG. 2 is a right side view of the pendulum rod and counterweight of FIG. 1;
FIG. 3 is a left side view of the cam of FIG. 2;
FIG. 4 is a control flow diagram of one embodiment of the present utility model;
in the figure: the device comprises a 1-wire coil, a 2-frame, a 3-constant tension closed-loop controller, a 4-first guide wheel, a 5-second guide wheel, a 6-third guide wheel, a 7-cylinder, an 8-electric proportional valve, a 9-motor, a 10-tension sensor, an 11-swing rod, a 12-balancing weight, a 13-rotating shaft, a 14-connecting rod, a 15-cam, a 16-displacement sensor, a 17-limiting block, an 18-lead frame and a 19-porcelain eye.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the constant-tension active paying-off device provided by the utility model comprises a wire coil 1 for winding a cable 00, wherein the wire coil 1 is arranged on a machine frame 2, a wheel set for guiding the cable 00 is arranged on the machine frame 2, a cable tension control assembly is arranged on the machine frame 2, and the cable tension control assembly is connected with a constant-tension closed-loop controller 3 and is used for controlling the tension of the cable 00 to be constant; the wire coil 1 is driven by a power component and is used for driving the wire coil 1 to rotate and pay off. The cable tension control assembly and the constant tension closed loop controller form a closed loop to control the tension of the cable to be constant in the paying-off process, so that constant-speed paying-off is realized, the cable tension control precision and paying-off efficiency are improved, and the consistency of the wire diameter and the resistance of the product is ensured.
As a preferable structure, as shown in fig. 1, the wheel set comprises a first guide wheel 4, a second guide wheel 5 and a third guide wheel 6 which are sequentially arranged from bottom to top, the first guide wheel 4 and the third guide wheel 6 are arranged on the left side above the wire coil 1, the second guide wheel 5 is arranged on the right side above the wire coil 1, and the cable 00 paid out from the wire coil 1 sequentially bypasses the first guide wheel 4, the second guide wheel 5 and the third guide wheel 6 and is led out of the frame 2; the force application end of the cable tension control assembly is arranged between the wire coil 1 and the first guide wheel 4, between the first guide wheel 4 and the second guide wheel 5, or between the second guide wheel 5 and the third guide wheel 6. Of course, the wheel set is not limited to the above structure, and the number and the positions of the guide wheels can be adjusted according to actual conditions, so that the cable can be ensured to maintain certain tension.
In one embodiment of the present utility model, as shown in fig. 1, the cable tension control assembly includes a cylinder 7 and an electrical proportional valve 8, the cylinder 7 is disposed below the first guide wheel 4 and the second guide wheel 5, a cylinder body of the cylinder 7 is connected to the frame 2, and a piston rod force application end of the cylinder 7 abuts against the cable 00 between the first guide wheel 4 and the second guide wheel 5; the electric proportional valve 8 is arranged on an air inlet pipe of the air cylinder 7, and the pressure applied by the air cylinder 7 to the cable 00 is regulated by the electric proportional valve 8; the electric proportional valve 8 can control the cylinder 7 to apply a constant pressure value to the cable 00 according to a preset pressure value in the constant tension closed-loop controller 3, so as to ensure constant tension of the cable.
During specific manufacturing, the tension sensor 10 for detecting the cable tension is arranged on the third guide wheel 6, the tension sensor 10 is connected with the constant tension closed-loop controller 3, and the constant tension closed-loop controller 3 can control the output of the electric proportional valve 8 and control the pressure applied by the air cylinder 7 to the cable 00 according to the signal fed back by the tension sensor 10. When the device works, a signal of the tension sensor 10 is fed back to the constant tension closed-loop controller 3, and then the constant tension closed-loop controller 3 calculates (compares a set value with a feedback value) to control the output of the electric proportional valve 8 so as to control the pressure of the cylinder; the fixed tension closed-loop controller 3, the electric proportional valve 8, the air cylinder 7 and the tension sensor 10 form a high-precision tension closed-loop control system.
In another embodiment of the present utility model, two wire coils 1 are arranged in parallel on the main shaft for installing the wire coils 1, the two sets of wheel sets and the cable tension control components are correspondingly arranged, and the two wire coils 1, the two sets of wheel sets and the air cylinder 7 are symmetrically arranged at two sides of the frame 1. The structure can realize simultaneous paying-off of two wire reels, and the left wire reel and the right wire reel are mutually noninterfere, so that independent paying-off can be realized, the operation is convenient, and the occupied space is effectively saved.
1-3, the wire coil further comprises a swinging rod 11 and a balancing weight 12, wherein the swinging rod 11 is rotatably connected with the rack 2 through a rotating shaft 13, the swinging rod 11 is arranged on the left side of the wire coil 1, the first guide wheel 4 is arranged at the upper end of the swinging rod 11, and a main shaft of the wire coil 1 is arranged in parallel with the rotating shaft 13; the balancing weight 12 is connected with the swing rod 11 through a connecting rod 14, the junction of the connecting rod 14 and the swing rod 11 is located at the rotating shaft 13, and the connecting rod 14 is arranged on the left side of the swing rod 11. The rotary shaft 13 is provided with a cam 15 in running fit with the rotary shaft 13, the cam 15 is fixedly connected with the swing rod 11 and the connecting rod 14, the left side of the cam 15 is provided with a displacement sensor 16 linked with the power component, the displacement sensor 16 is connected with a constant tension closed-loop controller, the displacement sensor transmits signals to the constant tension closed-loop controller through sensing the swing angle changes of the cam 15 and the swing rod, and the constant tension closed-loop controller further controls the rotating speed of the wire coil 1 and the pressure exerted by the air cylinder on the wire coil, so that the purposes of stable rotating speed of the wire coil and constant tension of the wire coil are achieved.
As a preferable structure, as shown in fig. 1, the lower end of the swing rod 11 extends below the rotating shaft 13, and two sides of the lower end of the swing rod 11 are provided with limiting blocks 17. The swing stroke of the swing rod is limited by virtue of limiting blocks at two sides, so that the influence of the large-amplitude swing of the swing rod on the operation safety of equipment is avoided.
In the specific manufacturing process, as shown in fig. 1, a lead frame 18 is disposed on the right side of the top of the frame 2, and a porcelain hole 19 for the cable 00 to pass through is disposed on the lead frame 18. Meanwhile, the frame 2 is of a frame type structure, a base 20 is arranged at the bottom of the frame 2, the power component is arranged on the frame 2 and comprises a motor 9 and a speed reducer, and the motor 9 drives a main shaft of the wire coil 1 to rotate through the speed reducer. The frame adopts the frame type structure and can meet the light-weight design requirement, the whole weight of equipment can be lightened, and the manufacturing cost is reduced.
As a preferable structure, the constant tension closed loop controller 3 is a programmable logic controller, and the programmable logic controller is in communication connection with an upper computer through a TCP/IP interface or a human-computer interface through an MPI interface. The human-computer interface is in communication connection with the editable controller through the MPI interface, signals input by the displacement sensor and the tension sensor enter the editable controller through the input interface circuit, and control signals of the editable controller are output through the output circuit, so that the control of the rotation speeds of the air cylinder and the wire coil is realized. The unreeling speed of the wire coil is controlled through a power component of the displacement sensor, and a human-machine interface (HMI), an upper computer or an MES system is responsible for data transmission and human-machine interaction, so that real-time data tracking, processing and changing of data are realized.
The assembly process of one specific embodiment of the utility model comprises the following steps that the constant-tension closed-loop controller 3 is connected with an electric proportional valve 8 through a wire, the electric proportional valve 8 is connected with an air inlet pipeline of an air cylinder 7, a tension sensor 10 is connected with the constant-tension closed-loop controller 3 through a wire, and a displacement sensor 16 is connected with a power part through a wire; the constant tension closed loop controller 3 is connected with a human-machine interface (HMI) or an upper computer or one of the MES systems in a wired or wireless manner. The control flow of this embodiment is shown in fig. 4.
When in operation, the device comprises: the tension sensor 10 feeds back to the constant tension closed-loop controller 3, the constant tension closed-loop controller 3 controls the electric proportional valve 8, the constant tension closed-loop controller 3, the electric proportional valve 8, the air cylinder 7 and the tension sensor 10 form a high-precision tension closed-loop control system, and data and commands can be displayed on a human-computer interface (HMI) through the constant tension controller 3 and the HMI; the constant tension controller 3 can also be connected with an upper computer or an MES system to directly transmit data and related instructions to a client, so that networking automation control is realized.
In conclusion, the utility model has the advantages of simple and compact structure, high automation degree and convenient manufacture, can effectively control the tension of the cable in the paying-off process to be a constant value, realizes constant-speed paying-off, improves the control precision and paying-off efficiency of the cable tension, and ensures the consistency of the wire diameter and the resistance of the product; meanwhile, the utility model can be used for single wire paying-off and wire harness paying-off, can ensure that constant tension is maintained in the whole unreeling process, and effectively ensures the product quality; the device can be adjusted in real time according to specific requirements, saves space, ensures complete functions, stable performance, high efficiency, simple operation and complete functions of products, and meets the requirements of unreeling industry.
In the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed above.
Claims (10)
1. A constant tension initiative unwrapping wire equipment, its characterized in that: the device comprises a wire coil used for winding a cable, wherein the wire coil is arranged on a rack, a wheel set used for guiding the cable is arranged on the rack, a cable tension control assembly is arranged on the rack, and the cable tension control assembly is connected with a constant tension closed loop controller and used for controlling the tension of the cable to be constant; the wire coil is driven by the power component and is used for driving the wire coil to rotate and pay off.
2. The constant tension active payout device according to claim 1, wherein: the wheel set comprises a first guide wheel, a second guide wheel and a third guide wheel which are sequentially arranged from bottom to top, the first guide wheel and the third guide wheel are arranged on the left side above the wire coil, the second guide wheel is arranged on the right side above the wire coil, and a cable which is paid out from the wire coil sequentially bypasses the first guide wheel, the second guide wheel and the third guide wheel and is led out of the rack; the force application end of the cable tension control assembly is arranged between the wire coil and the first guide wheel, between the first guide wheel and the second guide wheel, or between the second guide wheel and the third guide wheel.
3. The constant tension active payout device according to claim 2, wherein: the cable tension control assembly comprises a cylinder and an electric proportional valve, the cylinder is arranged below the first guide wheel and the second guide wheel, the cylinder body of the cylinder is connected with the frame, and the force application end of a piston rod of the cylinder is abutted to a cable between the first guide wheel and the second guide wheel; the electric proportional valve is arranged on an air inlet pipe of the air cylinder and used for adjusting the pressure applied by the air cylinder to the cable; the electric proportional valve can control the pressure value applied by the air cylinder to the cable to be constant according to the preset pressure value in the constant-tension closed-loop controller.
4. A constant tension active payout apparatus according to claim 3, wherein: the third guide wheel is provided with a tension sensor for detecting cable tension, the tension sensor is connected with a constant tension closed-loop controller, and the constant tension closed-loop controller can control the output of the electric proportional valve and control the pressure applied by the air cylinder to the cable according to signals fed back by the tension sensor.
5. According to claim 4 a constant tension active paying-off device, the method is characterized in that: two wire coils are arranged on the main shaft for installing the wire coils in parallel, the wheel sets and the cable tension control assemblies are correspondingly arranged into two sets, and the two wire coils, the two sets of wheel sets and the air cylinders are symmetrically arranged on two sides of the frame.
6. The constant tension active payout device according to claim 2, wherein: the wire coil is characterized by further comprising a swinging rod and a balancing weight, wherein the swinging rod is rotationally connected with the rack through a rotating shaft, the swinging rod is arranged on the left side of the wire coil, the first guide wheel is arranged at the upper end of the swinging rod, and a main shaft of the wire coil is arranged in parallel with the rotating shaft; the balancing weight is connected with the swing rod through a connecting rod, the junction of the connecting rod and the swing rod is located at the rotating shaft, and the connecting rod is arranged on the left side of the swing rod.
7. The constant tension active payout device according to claim 6, wherein: the rotary shaft is provided with a cam in running fit with the rotary shaft, the cam is fixedly connected with the swing rod and the connecting rod, the left side of the cam is provided with a displacement sensor linked with the power component, and the displacement sensor is connected with the constant tension closed loop controller and used for controlling the rotating speed of the wire coil and the pressure applied by the air cylinder to the wire coil.
8. The constant tension active payout device according to claim 6, wherein: the lower end of the swing rod extends to the lower part of the rotating shaft, limiting blocks are arranged on two sides of the lower end of the swing rod.
9. The constant tension active payout device according to claim 1, wherein: the right side of the top of the frame is provided with a lead frame, and the lead frame is provided with a porcelain eye for a cable to pass through.
10. Constant tension active payout apparatus according to any one of claims 1-9, characterized in that: the constant tension closed loop controller is a programmable logic controller, the programmable logic controller is in communication connection with the upper computer through a TCP/IP interface or with the human-computer interface through an MPI interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223301827.5U CN219135968U (en) | 2022-12-05 | 2022-12-05 | Constant tension initiative unwrapping wire equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223301827.5U CN219135968U (en) | 2022-12-05 | 2022-12-05 | Constant tension initiative unwrapping wire equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219135968U true CN219135968U (en) | 2023-06-06 |
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ID=86565719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223301827.5U Active CN219135968U (en) | 2022-12-05 | 2022-12-05 | Constant tension initiative unwrapping wire equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219135968U (en) |
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2022
- 2022-12-05 CN CN202223301827.5U patent/CN219135968U/en active Active
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