阅读说明：本技术 一种数字式电子张力控制装置 (Digital electronic tension control device ) 是由 杨彦兵 于 2020-07-20 设计创作，主要内容包括：本发明公开了一种数字式电子张力控制装置,包括底座、设置于底座一侧的立柱、设置于立柱顶部的张力支架以,张力支架底部设有与纱线固定杆对应设置的过线器,过线器上方设有过线管,过线管一端通过过线管固定支架、驱动装置与张力支架可转动连接；张力支架顶部设有过线轮,过线轮上设有与PLC控制器电连接的传感器,本发明能够有效地减少因线材材质,加工工艺,线材筒管形状等原因造成张力不一而产生的浪费,且实时稳定可靠,经济性明显。(The invention discloses a digital electronic tension control device, which comprises a base, an upright post arranged on one side of the base and a tension bracket arranged on the top of the upright post, wherein the bottom of the tension bracket is provided with a wire passing device arranged corresponding to a yarn fixing rod, a wire passing pipe is arranged above the wire passing device, and one end of the wire passing pipe is rotatably connected with the tension bracket through a wire passing pipe fixing bracket and a driving device; the invention can effectively reduce waste caused by inconsistent tension due to the material and processing technology of wires, the shape of a wire bobbin and the like, and has the advantages of real-time stability, reliability and obvious economy.)

1. A digital electronic tension control device is characterized by comprising a base, a stand column arranged on one side of the base, a tension bracket arranged on the top of the stand column and a PLC (programmable logic controller), wherein a wire passing device is arranged at the bottom of the tension bracket, a wire passing pipe is arranged above the wire passing device, one end of the wire passing pipe is rotatably connected with the tension bracket through a wire passing pipe fixing bracket and a driving device, so that when a wire passes through the wire passing device from bottom to top and then passes through the wire passing pipe, the wire passing pipe is driven by the driving device to rotate to change the tension of the wire; the wire passing wheel is arranged at the top of the tension support, the sensor electrically connected with the PLC is arranged on the wire passing wheel, so that when a wire passes through the wire passing pipe and then passes through the wire passing wheel provided with the sensor to outwards reach other winding and winding equipment, the tension change of the wire is output to the PLC through the sensor, and the PLC controls the rotation of the driving device.

2. The digital electronic tension control device as claimed in claim 1, wherein the bobbin fixing bracket comprises a bar-shaped fixing plate for fixing the bobbin, a connecting shaft disposed on one side of the bar-shaped fixing plate adjacent to the tension bracket, the driving device is disposed on the other side of the tension bracket, and the output shaft of the driving device passes through the tension bracket and is connected with the connecting shaft.

3. The digital electronic tension control device as claimed in claim 2, wherein the number of the bobbins is four, two of the bobbins are respectively disposed at two ends of the elongated fixing plate, and a bobbin gap is disposed between each of the bobbins, so that the wire on the yarn fixing rod is guided from the bobbin into the gap between the bobbins and is guided from the bobbin to the bobbin wheel.

4. The digital electronic tension control device as claimed in claim 3, wherein the first wire passing wheel comprises a first wire passing wheel arranged on one side of the tension bracket far away from the wire passing pipe fixing bracket.

5. The digital electronic tension control device as claimed in claim 1, wherein the tension bracket is provided with a tension negative limit proximity switch electrically connected to the PLC controller at a position above the bobbin fixing bracket, and a tension positive limit proximity switch electrically connected to the PLC controller at a position below the bobbin fixing bracket, the driving device drives the bobbin fixing bracket to rotate between the tension negative limit proximity switch and the tension positive limit proximity switch, and the tension negative limit proximity switch and the tension positive limit proximity switch are both disposed on a rotation path of the bobbin fixing bracket.

6. The digital electronic tension control device as claimed in claim 1, wherein the wire passing device is a hollow structure with wire outlets at two ends, steel balls are filled in the wire passing device, so that wires can pass through gaps between the steel balls, and the wire passing device and the tension bracket are connected in a quick-plugging manner.

7. The digital electronic tension control device as claimed in claim 4, wherein the first wire guide wheel and the second wire guide wheel are both connected to the tension bracket through a support rod, and the sensor is disposed on the support rod of the first wire guide wheel through the tension bracket.

Technical Field

The invention relates to tension control for textile, wire and cable, drive device coil manufacture, net-knotting machine coil winding and the like, in particular to a digital electronic tension control device.

Background

Along with the industrial development and social progress, the manufacturing industry is more advanced, the original traditional manufacturing industry is upgraded to automation and high-end, China is a large textile country, and a large amount of winding work is applied in the winding production of textile, wires and cables, driving device coils and wire coils of net-tying machines.

Disclosure of Invention

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a digital electronic tension control device comprises a base, a stand column arranged on one side of the base, a tension bracket arranged on the top of the stand column and a PLC (programmable logic controller), wherein a wire passing device is arranged at the bottom of the tension bracket, a wire passing pipe is arranged above the wire passing device, one end of the wire passing pipe is rotatably connected with the tension bracket through a wire passing pipe fixing bracket and a driving device, so that a wire on a yarn fixing rod passes through the wire passing device from bottom to top, and when the wire passes through the wire passing pipe, the wire passing pipe is driven by the driving device to rotate to change the tension of the wire; the wire passing wheel is arranged at the top of the tension support, the sensor electrically connected with the PLC is arranged on the wire passing wheel, so that a wire rod passes through the wire passing pipe, when the wire rod passes through the wire passing wheel provided with the sensor and outwards reaches other winding and winding equipment, the tension change of the wire rod outputs a digital signal to the PLC through the sensor, and the PLC controls the rotation of the driving device.

The driving device is arranged on the other side of the tension bracket, and an output shaft of the driving device penetrates through the tension bracket and is connected with the connecting shaft.

As an improvement, the number of the yarn passing pipes is four, two of the yarn passing pipes are respectively arranged at two ends of the strip-shaped fixing plate in a group, and a yarn passing gap is arranged between each group of the yarn passing pipes, so that the wires on the yarn fixing rod are led into the gaps between the yarn passing pipes from the yarn passing device and led out to the yarn passing wheel from the yarn passing pipes.

As an improvement, the wire passing wheel comprises a first wire passing wheel and a second wire passing wheel, the sensor is arranged on the first wire passing wheel, the first wire passing wheel is arranged above the wire passing pipe fixing support, and the second wire passing wheel is arranged on one side, far away from the wire passing pipe fixing support, of the tension support.

As an improvement, a tension negative limit proximity switch electrically connected with the PLC controller is arranged at the upper part of the wire passing pipe fixing support of the tension support, a tension positive limit proximity switch electrically connected with the PLC controller is arranged at the lower part of the wire passing pipe fixing support, the driving device drives the wire passing pipe fixing support to rotate between the tension negative limit proximity switch and the tension positive limit proximity switch, and the tension negative limit proximity switch and the tension positive limit proximity switch are both arranged on a rotation path of the wire passing pipe fixing support.

As an improvement, the wire passing device is of a hollow structure with wire outlets at two ends, steel balls are filled in the wire passing device, so that wires can pass through gaps among the steel balls, and the wire passing device and the tension bracket adopt a quick-insertion type connection mode.

As an improvement, the first wire passing wheel and the second wire passing wheel are connected with the tension bracket through supporting rods, and the sensor penetrates through the tension bracket and is arranged on the supporting rods of the first wire passing wheel.

After adopting the structure, the invention has the following advantages: the invention can effectively reduce waste caused by inconsistent tension due to the material, processing technology, bobbin shape of the wire rod and the like, and has the advantages of real-time stability, reliability and obvious economy.

Drawings

Fig. 1 is a schematic structural diagram of a digital electronic tension control device according to the present invention.

Fig. 2 is a schematic side view of a digital electronic tension control device according to the present invention.

Fig. 3 is a schematic perspective view of a digital electronic tension control device according to the present invention.

FIG. 4 is a schematic structural diagram of a thread passing device in the digital electronic tension control device according to the present invention.

Fig. 5 is a schematic diagram of the digital electronic tension control device driving device of the present invention rotating to a state where the positive tension limit approaches the switch.

As shown in the figure: 1. the tension device comprises a base, 2, a yarn fixing rod, 3, a stand column, 4, a tension bracket, 5, a wire passing device, 6, a wire passing pipe, 7, a wire passing pipe fixing bracket, 7.1, a strip-shaped fixing plate, 7.2, a connecting shaft, 8, a driving device, 9, a wire passing wheel, 9.1, a wire passing wheel I, 9.2, a wire passing wheel II, 10, a sensor, 11, a tension negative pole limit proximity switch, 12, a tension positive pole limit proximity switch, 13, a steel ball, 14 and a supporting rod.

Detailed Description

With the aid of the attached drawings, the digital electronic tension control device comprises a base 1, a yarn fixing rod 2 arranged on the upper portion of the base 1, a stand column 3 arranged on one side of the base 1, a tension support 4 arranged on the top of the stand column 3 and a PLC (programmable logic controller), wherein a wire passing device 5 arranged corresponding to the yarn fixing rod is arranged at the bottom of the tension support 4, a wire passing pipe 6 is arranged above the wire passing device 5, one end of the wire passing pipe is rotatably connected with the tension support 4 through a wire passing pipe fixing support 7 and a driving device 8, so that a wire rod on the yarn fixing rod 2 passes through the wire passing device 5 from bottom to top, and when the wire rod passes through the wire passing pipe 6, the wire passing pipe 6 is driven by the driving device 8; the top of the tension support 4 is provided with a wire passing wheel 9, the wire passing wheel 9 is provided with a sensor 10 electrically connected with the PLC controller, so that a wire rod passes through the wire passing pipe 6, when the wire rod passes through the wire passing wheel 9 provided with the sensor 10 and outwards reaches other winding equipment, the tension change of the wire rod outputs a digital signal to the PLC controller through the sensor 10, and the PLC controller is electrically connected with the driving device 8 to control the rotation of the driving device.

As a preferred embodiment of this embodiment, the wire guiding tube fixing bracket 7 includes a strip-shaped fixing plate 7.1 for installing the wire guiding tube, and a connecting shaft 7.2 disposed on one side of the strip-shaped fixing plate 7.1 close to the tension bracket 4, the driving device 8 is disposed on the other side of the tension bracket 4, and the output shaft thereof passes through the tension bracket 4 and is connected with the connecting shaft 7.2.

As a preferred embodiment of the present embodiment, the number of the yarn passing pipes 6 is four, two of the yarn passing pipes 6 are respectively arranged at two ends of the elongated fixing plate 7.1, and a yarn passing gap is arranged between each group of the yarn passing pipes 6, so that the wires on the yarn fixing rod 2 are led into the gap between the yarn passing pipes 6 from the yarn passing device 5 and led out from the yarn passing pipes 6 to the yarn passing wheel 9.

As a preferred embodiment of this embodiment, the wire passing wheel 9 includes a first wire passing wheel 9.1 and a second wire passing wheel 9.2, the sensor 10 is disposed on the first wire passing wheel 9.1, the first wire passing wheel 9.1 is disposed above the wire passing pipe fixing bracket 7, and the second wire passing wheel 7.2 is disposed on one side of the tension bracket 4 far away from the wire passing pipe fixing bracket 7.

As a preferred embodiment of this embodiment, a tension negative limit proximity switch 11 electrically connected to the PLC controller is disposed at a position of the tension bracket 4 above the bobbin fixing bracket 7, a tension positive limit proximity switch 12 electrically connected to the PLC controller is disposed at a position of the bobbin fixing bracket 7, the driving device 8 drives the bobbin fixing bracket 7 to rotate between the tension negative limit proximity switch 11 and the tension positive limit proximity switch 12, and both the tension negative limit proximity switch 11 and the tension positive limit proximity switch 12 are disposed on a rotation path of the bobbin fixing bracket 7.

As a preferred embodiment of the present embodiment, the wire passing device 5 is a hollow structure with wire outlets at two ends, steel balls 13 are filled in the hollow structure, so that the wire passes through a gap between the steel balls 13, and the wire passing device 5 is connected with the tension bracket 4 in an insertion manner.

As a preferred embodiment of this embodiment, the first wire passing wheel 9.1 and the second wire passing wheel 6.2 are both connected to the tension bracket 4 through the support rod 14, and the sensor 11 is disposed on the support rod 14 of the first wire passing wheel 9.1 through the tension bracket 4.

When the yarn winding device is implemented specifically, a wire on the yarn fixing rod penetrates through the yarn passing device from bottom to top and then penetrates through gaps of four yarn passing pipes, the four yarn passing pipes are fixed on the yarn passing pipe fixing support, and the wire passes through the four yarn passing pipes, then passes through the yarn passing wheel I arranged on the sensor and then passes through the yarn passing wheel II to be led out to other winding equipment; the tension of the wire rod changes constantly in the winding process, the tension is transmitted to the sensor through the first wire wheel, the sensor outputs a digital signal to the PLC, the PLC compares the received tension value with a preset tension value, if the tension acquired in real time is too small, the driving device is controlled to rotate anticlockwise, the driving device drives the wire passing pipe fixing support to rotate, at the moment, the four wire passing pipes enable the wire rod to be bent from the original vertical direction, so that the tension is increased, and if the tension is not increased, the driving device rotates clockwise, so that the tension is reduced; the driving device rotates to be respectively provided with a tension negative limit proximity switch and a tension positive limit proximity switch for controlling limit positions, the tension is added to the maximum when the driving device rotates to the tension negative limit proximity switch, and the tension is reduced to the minimum when the driving device rotates to the tension positive limit proximity switch; acquiring a tension value in real time according to sensing to a PLC (programmable logic controller), and commanding the driving device to rotate positively and negatively to change the tension in real time by the PLC, so that closed-loop constant tension control is realized; the device also has a wire breakage detection function, and when the tension value is continuously 0, the wire breakage is judged.

In addition, the wire passing device is of a hollow structure with wire outlets at two ends, steel balls are filled in the wire passing device, wires can pass through gaps among the steel balls, the number of the steel balls can be increased or decreased according to the thickness and the material of the wires, certain damping effect is provided for the wires, the tension of the wires is stabilized, and the wire passing device is connected with the tension support in a quick plug-in mounting mode and is convenient to install.

The invention can effectively reduce waste caused by inconsistent tension due to the material, processing technology, bobbin shape of the wire rod and other reasons, has real-time stability, reliability and obvious economy, and is used for the fishing net industry, for example, the wire coil of the net machine has quite high requirement on the tension of the wire rod, too small tension, disordered wires in the wire coil, too large tension can cause too large opening of the wire coil, the wire coil can not be put into the fishing net machine, too loose or too tight wire rod is caused by large and small tension, and the wire rod can not be normally used in the net machine.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.