TW201905262A - Yarn sensing device which is low-cost and capable of automatically controlling the rotational speed of a yarn feeder - Google Patents

Abstract

Provided is a yarn sensing device, wherein a sensor block is installed in a tension controller, and the sensor block has an elongated shape formed with a first end and a second end. The first end of the sensor block is secured on the tension controller to enable the second end to be suspended, and the second end thereof is connected with an extending board suspended between the first end and the tension controller. Furthermore, a rod body is secured on a middle section of the extending board, and the rod body extends out of the tension controller and is provided with a tension pulley, while a yarn is drawn from a yarn winder for being wound on the tension pulley. In addition, at least an impedance sensing piece is attached on the surface of the sensor block, and a deformable hole penetrates through the sensor block, so that, when applying force to the tension pulley, the deformable hole is configured to produce a slight deformation to bend the impedance sensing piece so as to measure a tension value.

Description

 Yarn sensing device  

The present invention relates to a wrapper control structure, and more particularly to a yarn sensing device that automatically controls a constant rotational speed at low cost.

According to the conventional winder structure, the winding wheel is fixedly mounted on a shaft and is pivoted to the frame by the shaft, and the shaft is further coupled with a rim, and the rim is coupled by a belt. The driving motor can drive the winding wheel through the driving motor to perform the winding operation. However, it is not difficult to find out that the above-mentioned conventional structure has some shortcomings. The main reasons are as follows: (1) The winder is In practical applications, hundreds of or more are simultaneously extracted and weaved, and if each yarn is not controlled by the same extraction speed and tension, the finished product cannot obtain better quality, and the yield is also relatively low. The conventional control method is to control the rotation speed of all the yarns at the same time by a plurality of rollers, but there is still a slight difference in each yarn of the method, and the precise control effect cannot be achieved; (2) the yarn is wound The wheel and the drive motor are driven indirectly by a belt. The driving method will have belt wear and sliding idling. The speed control has insufficient precision and cannot effectively control the constant yarn tension through the rotation speed.

In view of this, the inventors have been engaged in the manufacturing development and design experience of related products for many years, and after detailed design and careful evaluation of the above objectives, the present invention has finally become practical.

The technical problem to be solved by the present invention is to provide a yarn sensing device in view of the above-mentioned deficiencies in the prior art.

a winder; a force controller is internally provided with a sensing block, the sensing block is formed in a strip shape with a first end portion and a second end portion, and the first end portion of the sensing block is fixed to the The tension controller has the second end portion being suspended, and the second end portion is connected with an extension plate suspended between the first end portion and the tension controller, and a rod body is fixed at the middle portion of the extension plate. And the rod body passes through the tension controller, and a force wheel is pivoted at one end of the rod body, and the winder stretches a yarn for winding around the tension wheel, and the sensing block At least one impedance sensing piece is attached to the surface, and the sensing block is inserted through a deformation hole, so that the sensing block can use the deformation hole to generate a small deformation when the tension wheel is stressed, and bend the impedance sensing piece. Measure the tension value of the yarn of the winder bypassing the tension wheel and calculate the torque value of the winder, and the tension controller is provided with a first limit block and a second limit block, and The first limiting block is adjacent to the second end of the sensing block to form a shifting limit gap, and the second limit Adjacent blocks forming the extending plate has an upper limit of the gap move, should the limits of the clearance gap between the two down the same move to the upper limit of the gap.

The tension controller is erected with a fixing rod at a front and rear position of the rod body, and one end of the fixing rod is pivotally provided with a rotating wheel, and the rotating wheel can guide the yarn to be stably wound around the tension wheel.

Wherein, the gap value between the lower shift limit gap and the upper shift limit gap is 0.05 mm.

The impedance sensing piece is connected with an electronic control board and a control panel at the tension controller, and the electronic control board can automatically control the rotational torque of the winder, and display the setting and control state thereof by the control panel. .

Wherein, the winder is provided with a driver and a winding wheel by a shaft, and the driver forms a synchronous connection with the winding wheel, and the electronic control board is connected to the driver.

Wherein, the winding wheel is formed with a plurality of elastic strips extending in an arc shape in the axial direction of the shaft, and the rolled yarn is externally supported by the elastic strip.

A first main object of the present invention is that the yarn is driven by the winder and stretched through a wheel of the tension controller, that is, the tension value can be measured by linking the tension wheel through the yarn, and then the The electronic control panel of the tension controller calculates the torque value of the winder corresponding to the tension value, and directly controls the winder to adjust to a constant torque value or rotational speed, thereby passing through a plurality of corresponding winders and tension controllers Effectively controlling the same torque value or speed, it can automatically control each yarn to pull and weave with the same tension, so as to improve the quality and yield of the finished product.

A second main object of the present invention is that the tension wheel presses the extension plate inside the tension controller with a rod body and forms a slight deformation of the sensing block, and the sensing block is fixed to the tension at the first end portion. a controller, and the second end portion is coupled to the extension plate, and is controlled by the deformation hole of the sensing block to form a stable bending deformation, and the sensing block surface is attached with an impedance sensing piece, that is, the sensing device The block forms a synchronous deformation of the impedance sensing sheet, and the resistance value of the impedance sensing sheet is used to obtain the tension value of the tension wheel of the yarn, so as to achieve the practical effect of accurately measuring the yarn tension value at a low cost. .

A third main object of the present invention is that the tension controller is provided with a first limiting block and a second limiting block, and the first limiting block is adjacent to the second end of the sensing block. Shifting the limit gap, and the second limiting block is formed with an upward shifting limit gap adjacent to the extension plate, and the lower shifting limit gap and the upward shifting limit gap have the same gap, thereby limiting the maximum deformation of the sensing block Quantity, 俾 to effectively protect the tension controller.

Other objects, advantages and novel features of the invention will be apparent from the description and appended claims.

[this creation]

10‧‧‧Winner

11‧‧‧ shaft

12‧‧‧ Drive

13‧‧‧Wind wheel

14‧‧‧Flexible strips

15‧‧‧Yarn

20‧‧‧ Tension controller

21‧‧‧Sensor block

211‧‧‧ first end

212‧‧‧second end

213‧‧‧Transformation holes

22‧‧‧ Extension board

23‧‧‧ rod body

231‧‧‧Tension wheel

24‧‧‧Fixed rod

241‧‧‧runner

25‧‧‧ Impedance sensor

251‧‧‧Electronic Control Board

252‧‧‧Control panel

26‧‧‧First limit block

261‧‧‧Shift limit clearance

27‧‧‧second limit block

271‧‧‧Upward limit clearance

Figure 1 is a perspective view of the present invention.

Figure 2 is an internal perspective view of the tension controller of the present invention.

Figure 3 is a perspective view of the winder of the present invention.

Fig. 4 is a schematic view showing the state of use of the present invention (1).

Fig. 5 is a schematic view showing the state of use of the present invention (2).

Figure 6 is a schematic illustration of another state of use of the present invention.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [detailed description of the drawings] as follows: First, please refer to Figure 1, Figure 2 and Section 3. As shown in the figure, a yarn sensing device includes: a winder 10 and a force controller 20, the winder 10 is provided with a driver 12 and a winding wheel 13 via a shaft 11. The drive 12 is formed in the same rotational connection with the winding wheel 13, and the winding wheel 13 is formed in the axial direction of the shaft 11 with a plurality of elastic strips 14 extending in an arc shape. The sensing block 21 has a first end portion 211 and a second end portion 212 formed in an elongated shape, and the first end portion 211 of the sensing block 21 is fixed to the tension controller 20 to The second end portion 212 is suspended, and the second end portion 212 is coupled with an extension plate 22 suspended between the first end portion 211 and the tension controller 20, and a rod body is fixed at the middle portion of the extension plate 22. 23, and the rod body 23 passes through the tension controller 20, and a force wheel 231 is pivoted at one end of the rod body 23, and The winder 10 is stretched with a yarn 15 for winding around the tension wheel 231, and the yarn 15 is externally supported by the elastic strip 14. The tension controller 20 is positioned at the front and rear of the rod 23. A fixing rod 24 is erected, and one end of the fixing rod 24 is pivotally provided with a rotating wheel 241. The rotating wheel 241 can guide the yarn 15 to be stably wound around the tension wheel 231, and the surface of the sensing block 21 At least one impedance sensing piece 25 is attached, and the sensing block 21 is inserted through a deformation hole 213, so that the sensing block 21 can generate a small deformation by using the deformation hole 213 when the tension wheel 231 is stressed, and bend the The impedance sensing piece 25 measures the tension value of the yarn 15 of the winder 10 around the tension wheel 231 and calculates the torque value of the winder 10, and the impedance sensing piece 25 is applied to the tension controller. 20 is connected with an electronic control board 251 and a control panel 252, and the electronic control board 251 can automatically control the rotational torque of the winder 10, and display the setting and control state thereof by the control panel 252, and the electronic control board 251 is connected to the driver 12, and the tension controller 20 is provided with a first limiting block 26 and a first a limiting block 27, and the second limiting portion 26 of the first limiting block 26 is formed with a lower displacement limit gap 261 adjacent to the second end portion 212 of the sensing block 21, and the second limiting block 27 is formed adjacent to the extension plate 22 Upward limit gap 271, and the gap between the lower shift limit gap 261 and the up shift limit gap 271 are the same, and the gap value between the down shift limit gap 261 and the up shift limit gap 271 is 0.05 mm, thereby limiting The maximum amount of deformation of the sensing block 21 is effective to protect the tension controller 20.

The effect of the actual use, and then viewed from the first figure to the fifth figure, the yarn 15 is wound around the winding wheel 13 of the winder 10, and the winding wheel is The elastic strip 14 of the 13 is formed to be interlocked and fixed, and the driver 12 can directly drive the winding wheel 13 to rotate, thereby achieving the effect of reducing the volume of the winder 10, and the yarn 15 is stretched through the tension. The lower end of the rotating wheel 241 of the controller 20 is further wound around the upper end of the tension wheel 231 and the lower end of the other rotating wheel 241, that is, the tension wheel 231 can be pressed through the yarn 15 to measure the tension value, and then reused. The electronic control board 251 of the tension controller 20 calculates the torque value of the winder 10 corresponding to the tension value, and directly controls the driver 12 to adjust to a constant torque value or rotation speed according to the set value of the control panel 252. By effectively controlling the same torque value or rotation speed through a plurality of mutually corresponding winders 10 and the tension controller 20, each yarn 15 can be automatically controlled to pull and weave with the same tension, thereby improving the quality and yield of the finished product. Similarly, as shown in Figure 6, the yarn 15 can also be stretched. The upper end of the rotating wheel 241 of the tension controller 20 is further wound around the lower end of the tension wheel 231 and the upper end of the other rotating wheel 241, that is, the tension wheel 231 can be pulled up through the yarn 15 to measure the tension. The value, thereby achieving the function of being able to use in both directions, and utilizing the different micro-deformation amount of the pressing and pulling of the sensing block 21, and having two kinds of optional measurement effects, further explaining the tension controller 20 Actuated, the tension wheel 231 presses the extension plate 22 inside the tension controller 20 with the rod body 23, and forms a slight deformation of the sensing block 21, and the sensing block 21 is fixed to the tension by the first end portion 211. The controller 20 is connected to the extension plate 22, and the deformation hole 213 of the sensing block 21 is controlled to form a stable bending deformation. The sensing block 21 is surface-attached with an impedance sensing piece. 25, that is, the synchronous deformation of the impedance sensing sheet 25 can be formed through the sensing block 21, and the tension value of the tension wheel 231 is obtained by the yarn 15 by the resistance change of the impedance sensing sheet 25, so as to achieve a low value. The cost is accurately measured to determine the practical value of the yarn 15 tension value.

In summary, the present invention has indeed achieved a breakthrough structural design, and has improved invention content, and at the same time, can achieve industrial utilization and progress, and the present invention is not found in any publication, but also novel, when In accordance with the provisions of the relevant laws and regulations of the Patent Law, the application for invention patents is filed according to law, and the examination authority of the bureau is required to grant legal patent rights.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of the patent.

Claims (6)

 A yarn sensing device comprising: a winder; and a force controller, the tension controller is internally provided with a sensing block, and the sensing block is formed in a strip shape with a first end and a The second end portion is further fixed to the tension controller to fix the second end portion, and the second end portion is connected to the first end portion and the tension control An extension plate between the devices, and a rod body is fixed at a middle portion of the extension plate, and the rod body passes through the tension controller, and a force wheel is pivoted at an end of the rod body, and the winder pulls Extending a yarn for winding around the tension wheel, and at least one impedance sensing piece is attached to the surface of the sensing block, and the sensing block has a deformation hole through which the sensing block is subjected to the tension wheel. The deformation hole can be used to generate a small deformation, and the impedance sensing piece is bent to measure the tension value of the yarn of the winder bypassing the tension wheel and calculate the torque value of the winder, and the tension control The device is provided with a first limiting block and a second limiting block, and the first limiting block is adjacent to the The second end portion of the sensing block is formed with a shifting limit gap, and the second limiting block is formed with an upward shifting limit gap adjacent to the extension plate, and the lower shifting limit gap and the upward shifting limit gap have the same gap. Thereby limiting the maximum amount of deformation of the sensing block.    The yarn sensing device of claim 1, wherein the tension controller has a fixing rod standing at a front and rear position of the rod body, and one end of the fixing rod is pivotally provided with a rotating wheel The wheel can guide the yarn to be stably wound around the tension wheel.    The yarn sensing device according to claim 1, wherein the gap value between the lower shift limit gap and the upper shift limit gap is 0.05 mm.    The yarn sensing device of claim 1, wherein the impedance sensing piece is coupled to the electronic controller board and a control panel at the tension controller, and the electronic control panel can automatically control the winding Rotating torque of the device and displaying its setting and control status with the control panel.    The yarn sensing device of claim 4, wherein the winder is provided with a driver and a winder with a shaft, and the driver forms a coaxial connection with the winding wheel, and the driver The electronic control board is connected to the drive.    The yarn sensing device according to claim 5, wherein the winding wheel is formed with a plurality of elastic strips extending in an arc shape in the axial direction of the shaft, and the elastic strip is externally supported by the elastic strip. Yarn in a roll.