TWM548160U - Tension closed loop automatic adjustment mechanism - Google Patents

Description

Tension closed cycle automatic adjustment mechanism

The present invention relates to a wire unwinding tension control device, and more particularly to a tension closed cycle automatic adjusting mechanism which has both low cost and stable control tension.

According to the conventional unwinding mechanism, it is commonly used in the fields of paper, cloth, rubber and silk, and the unwinding tension is controlled by the rotating shaft braking force of the coil, thereby controlling sufficient tension for subsequent processing, but Looking at the above-mentioned conventional structure, it is not difficult to find that there are still some shortcomings. The main reasons are as follows: The unwinding mechanism is installed at the rotating shaft of the coil, and the tension is controlled by the braking force. When applied to textiles and other related fields, since the wire is unwinded together with tens of axes or even thousands of axes, each of the rotating shafts is provided with a tension control mechanism, and the cost of the tension control device is relatively high. And the subsequent control and maintenance problems are more serious, which is the technical problem that the creative is trying to solve.

In view of this, the creator has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the author has finally achieved a practical and practical creation.

The technical problem to be solved by the present invention is to provide a tension closed-loop automatic adjustment mechanism for the above-mentioned shortcomings existing in the prior art.

One machine is equipped with a plurality of fixed roller shafts in the same direction, and the fixed roller A movable roller shaft is interposed between the shafts, and both ends of the movable roller shaft are provided with a limiting frame, so that the movable roller axle can be adjusted along the limiting bracket relative to the fixed roller axle The distance of the machine is further provided with a pick-up device at the input end, and the pick-up device is provided with a first pick-up wheel and a second pick-up wheel in parallel, and the first pick-up wheel and the second take-up wheel are at least one The driving member is coupled to the other, and the first picking wheel and the second picking wheel are both provided with a carriage, and the driving member drives the first picking wheel and the second picking wheel to adjust the clamping gap along the sliding frame. At least one driving device is connected to at least one end of the movable roller shaft, and the movable roller shaft is driven to move by the driving device, and a force detector is arranged between the movable roller shaft and the driving device, thereby detecting The tension of the movable roller shaft, a controller connecting the tension detector and the driving device, and the controller measures the tension and the set tension than the tension detector, and automatically controls the driving in a closed loop Device adjustment The movable roller-axis distance of the roller shaft fixed to the opposite.

The driving device includes a stepping motor, a first speed reducer, a first screw and a first slider. The stepping motor and the first speed reducer are coupled to each other and fixed to the machine, and the first One end of the screw is connected to the first slider, and the other end of the first screw is passed through the first reducer, and the first slider is connected to the movable roller shaft, so that the stepping motor is A reducer drives the first screw, and then pushes and pulls the first slider to achieve the purpose of driving the movable roller shaft.

The limiting frame is formed in a frame shape with two corresponding sliding slots, and the sliding slot provides a sliding arrangement of the first sliding block to adjust the displacement of the movable roller shaft along the sliding slot.

Wherein, the driving device is coupled with a linkage shaft by the first speed reducer, and a second speed reducer is driven by the linkage shaft, and the rotation speed of the first speed reducer and the second speed reducer Similarly, the second reducer is coupled to the corresponding end of the movable roller shaft by a second screw and a second slider, thereby driving the movable roller shafts to synchronously displace the two ends.

Wherein, the machine platform is provided with a vertical frame at one end, and the vertical frame is provided with at least one input end roller shaft, and the other end of the machine platform is provided with a fixing frame, and the fixing frame is provided with an output end roller shaft. Through the input end roller shaft and the output end roller shaft, the wire is stably penetrated and passed out of the machine table, and the tension detector can also be replaced between the output end roller shaft and the fixed frame.

Wherein, the fixing frame is provided with an output end roller shaft, and a force detector is arranged between the output end roller shaft and the fixing frame, thereby detecting the tension of the wire output machine.

The first main purpose of the present invention is that when the coil is unwound by a fixed torque, the initial winding radius of the coil is large, and in the case of a fixed torque, the tension value of the coil unwinding is small, and the tension is checked. The output device knows the current tension value, and controls the stepping motor to rotate the first screw and the second screw by the controller, thereby pushing the first slider and the second slider along the chute of the limiting frame The displacement, and thus the relative distance between the fixed roller shaft and the movable roller shaft, can increase the tension of the wire output of the machine, and has the function of closed-loop automatic tension control, so as to achieve stable control tension value through low cost. The effect.

The second main purpose of the present invention is that the movable roller shaft is disposed between the two fixed roller shafts, and the movable roller shaft and the fixed roller shaft form an isosceles triangle, and the movable roller shaft and the movable roller shaft A tension detector is arranged between the driving devices, so that the wire can press the movable roller shaft and the tension detector with a positive force to instantly detect the accurate position of the movable roller shaft position. , to improve the reaction speed of automatic tension control.

The third main purpose of the creation is that the tension detector is installed at the output end. Between the roller shaft and the fixed frame, the final wire tension value of the wire outputting machine can be detected, thereby ignoring any variable of the wire before the roller shaft of the output end, so as to simplify the detection complexity and maintain The effect of constant tension.

Other objects, advantages and novel features of the present invention will become more apparent from the detailed description and the accompanying drawings.

[this creation]

10‧‧‧ machine

11‧‧‧Fixed roller axle

12‧‧‧Active roller axle

13‧‧‧Limited frame

131‧‧‧Chute

14‧‧‧ stand

15‧‧‧Input roller shaft

16‧‧‧ Fixing frame

17‧‧‧Output roller shaft

18‧‧‧ extraction device

181‧‧‧First take-up wheel

182‧‧‧Second take-up wheel

183‧‧‧ drive parts

184‧‧‧ carriage

20‧‧‧ drive

21‧‧‧Stepper motor

22‧‧‧First reducer

23‧‧‧First screw

24‧‧‧First slider

25‧‧‧ linkage axis

26‧‧‧second reducer

27‧‧‧Second screw

28‧‧‧Second slider

30‧‧‧ Controller

(31) (32) ‧‧‧Tensile detector

40‧‧‧Wire

The first picture is a perspective view of the creation (1).

Figure 2 is a side view of the creation.

Figure 3 is a perspective view of the creation (2).

Figure 4 is a top view of the state of use of the present creation.

Figure 5 is a schematic diagram of the state of use of this creation (1).

Figure 6 is a schematic diagram of the state of use of this creation (2).

Figure 7 is a schematic diagram of the state of use of this creation (3).

Figure 8 is a schematic diagram of the state of use of this creation (4).

Figure 9 is a perspective view of another embodiment of the present creation.

Figure 10 is a schematic view of another embodiment of the present creation.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, please follow the following [simplified description of the drawings] as follows: First, please refer to Figure 1, Figure 2 and Section 3. As shown in the figure, a tension closed loop automatic adjustment mechanism includes: a machine table 10, at least one driving device 20 and a controller 30, A plurality of fixed roller axles 11 are mounted in the same direction in the same direction, and two movable roller axles 12 are interposed between the fixed roller axles 11, and both ends of the movable roller axle 12 are installed. There is a limiting frame 13 for allowing the movable roller shaft 12 to adjust the distance relative to the fixed roller shaft 11 along the limiting frame 13, and the machine table 10 is provided with a vertical frame 14 at one end, and the vertical frame 14 At least one input end roller shaft 15 is disposed, and the other end of the machine base 10 is provided with a fixing frame 16, and the fixing frame 16 is provided with an output end roller shaft 17, through which the roller shaft 15 and the output end roller are The shaft 17 forms a stable penetration and penetration of the wire, and the machine 10 is further provided with a pick-up device 18 at the input end, and the pick-up device 18 is provided with a first pick-up wheel 181 and a parallel The second pick-up wheel 181 and the second pick-up wheel 182 are connected by at least one driving member 183, and the first pick-up wheel 181 and the second pick-up wheel 182 are provided with a carriage 184 at both ends thereof. The driving member 183 drives the first pick-up wheel 181 and the second pick-up wheel 182 to adjust along the carriage 184. The first pick-up wheel 181 and the second pick-up wheel 182 can be selected from the same material or different materials of the rubber wheel, the rubber wheel or the steel wheel, and at least one driving device 20 is connected to the movable roller shaft. At least one end of the driving device 20 drives the movable roller shaft 12 to form a movement, and a force detector 31 is disposed between the movable roller shaft 12 and the driving device 20, thereby detecting the movable roller The tension of the wire at the shaft 12, a controller 30 is coupled to the tension detector 31 and the driving device 20, and the controller 30 compares the tension and the set tension with the tension detector 31, and automatically closes the cycle. The driving device 20 is controlled to adjust the distance between the movable roller shaft 12 and the fixed roller shaft 11 to achieve stable control of the tension value through low cost.

Further, as shown in the first, second, and third figures, the driving device 20 of the present invention includes a stepping motor 21, a first reducer 22, a first screw 23, and a first slider 24. The stepping motor 21 and the first speed reducer 22 are coupled to each other and fixed to the machine table 10, and one end of the first screw 23 is connected to the first slider 24, and the other end of the first screw 23 is worn by the first step The first reducer 22 is connected to the movable roller shaft 12, and the stepping motor 21 drives the first screw 23 with the first reducer 22, thereby pushing and pulling the first slider 24. The purpose of the movable roller shaft 12 is achieved, and the limiting frame 13 is formed in a frame shape with two corresponding sliding slots 131, and the sliding slot 131 provides the sliding of the first sliding block 24 to enable the activity. The roller shaft 12 can be displaced and adjusted along the sliding slot 131. The present invention can further control both ends of the movable roller shaft 12 at the same time. The driving device 20 is coupled with a linkage shaft 25 by the first reduction gear 22, and is The linkage shaft 25 is coupled to drive a second reduction gear 26, and the first reduction gear 22 has the same rotational speed as the second reduction gear 26, and the second reduction gear 26 has a second screw 27 and a second slider 28. Connecting the corresponding end of the movable roller shaft 12, thereby driving the two ends of the movable roller shaft 12 to perform synchronous displacement The tension detector 31 can also be disposed at a position where the first slider 24 and the second slider 28 are coupled to the movable roller shaft 12, thereby driving the movable roller shaft 12 and accurately detecting the wire. The size of the tension.

The combination of the structures is further illustrated in the first to fourth figures. The machine table 10 is provided with an input end roller shaft 15 at one end and a fixed roller shaft 11 at the end. The spacing of the movable roller shafts 12 is as shown in Fig. 2, and the three fixed roller axles 11 are spaced apart from each other to provide two movable roller axles 12, which are used in conjunction with the movable roller axles 12. The greater the number, the higher the upper limit of the adjustable tension, and thus the number of movable roller shafts 12 is not limited thereto, and the structure of the movable roller shaft 12 can be equally spaced by using two fixed roller shafts 11 It does not affect the effect that the creation is intended to achieve. Here, the movable roller shaft is provided by two movable roller shafts 12 and a driving device simultaneously driving the two ends thereof. 12 is equipped with a tension detector 31 at both ends, and is installed at the first slider 24 and the second slider 28 by the tension detector 31, and the first slider 24 and the second slider 28 The first screw 23 and the second screw 27 are respectively disposed on the sliding slot 131 of the limiting frame 13 , and the driving device 20 is stepped. The motor 21 is fixed to the machine table 10 in connection with the first reduction gear 22, and the first reduction gear 22 is connected to the first screw 23 and the linkage shaft 25, and the second reduction gear 26 is coupled to the second reduction gear 26 via the linkage shaft 25 to interlock the second screw. 27, the machine table 10 is further provided with a fixing frame 16 for connecting the output roller shaft 17 to the other end of the input roller shaft 15.

For the actual use of the case, please view it from the first figure to the sixth figure. The machine 10 of the creation is used to provide a plurality of wires of the same size and volume 40 for unwinding, so that a plurality of The wire is processed by the same tension output, and the coil 40 is mounted on one end of the stand 14 of the machine table 10, and the wire is pulled by the first take-up wheel 181 and the second take-up wheel 182 of the pick-up device 18. The first pick-up wheel 181 and the second pick-up wheel 182 are in an un-clamped state, and are sequentially wound around the fixed roller shaft 11 and the movable roller shaft 12 via the roller shaft 15 at the input end. Finally, the wire is threaded out of the machine table 10 by the output roller shaft 17 at an appropriate tension, thereby providing the subsequent operation of the wire, and when the wire coil 40 is unwound with a fixed torque, the initial winding radius of the wire 40 Generally, in the case of a fixed torque, the tension value of the unwinding of the coil 40 is small, so that the tension of the thread after passing through the machine 10 is insufficient, and the movable roller shaft 12 is positively pressed by the thread, thereby The tension detector 31 knows the current tension value, and then the tension check The controller 31 is sent to the controller 30 for analysis and compared with the set tension of the controller 30. If it is determined that the tension is insufficient, the controller 30 controls the stepping motor 21 to rotate the first screw 23 and the second screw 27 Thereby, the first slider 24 and the second slider 28 are displaced along the sliding slot 131 of the limiting frame 13, thereby increasing the relative distance between the fixed roller shaft 11 and the movable roller shaft 12. The wire tension of the output of the machine 10 can be increased, and the function of the automatic tension control of the closed cycle is adopted. When the wire coil radius of the wire coil 40 becomes small, the wire tension of the wire 40 end will become larger. When the controller 30 knows that the wire tension value is too large by the tension detector 31, the driving device 20 can be automatically controlled to adjust the position of the movable roller shaft 12, thereby achieving the effect of the constant wire tension value, and further, the activity is further explained. The roller axle 12 is mounted between the fixed roller axles 11, and the movable roller axle 12 and the fixed roller axle 11 form an isosceles triangle, and the movable roller axle 12 is mounted between the movable roller shaft 12 and the driving device 20. A tension detector 31 is provided, thereby allowing the wire to press the movable roller shaft 12 and the tension detector 31 with a positive force, so that the accurate value of the position of the movable roller shaft 12 can be instantly detected.俾 to increase the reaction speed of automatic tension control.

In the second case of actual use, please view it as shown in Figure 7. The machine 10 of this creation is used to provide a plurality of wires of different size coils 40 for unwinding, so that the plurality of wires have the same tension. The size output is processed, and the coil 40 is mounted on one end of the stand 14 of the machine table 10, and the pull-out wire is inserted between the first take-up wheel 181 and the second take-up wheel 182 of the pick-up device 18, Since the tension values between the coils 40 of different sizes are different, the first pick-up wheel 181 and the second pick-up wheel 182 can be spliced by the first take-up wheel 181, and the first take-up wheel 181 can be selected to drive the wire individually or in combination. The two take-up wheels 182 are synchronously driven (the present invention does not limit the driving mode thereof, and thus is not disclosed in the drawings), and the wire is drawn by the rotation speed of the drawing device 18, thereby taking the different size coils 40 to reach the same tension value of the input wires by way of drawing. The purpose of this is to improve the stability of the automatic tension control.

In the third case of actual use, please view it as shown in Fig. 8. The machine 10 of the creation is used to provide a plurality of wires of different size coils 40 for unwinding, so that the plurality of wires have the same tension. The size output is processed, and the coil 40 is mounted on the machine 10 A first end of the frame 14 and a wire drawn between the first pick-up wheel 181 and the second pick-up wheel 182 of the pick-up device 18 are wound in an S shape, and a gap is formed between the first pick-up wheel 181 and the second pick-up wheel 182. Appropriate gaps, because the tension values between the coils 40 of different sizes are different, the first pick-up wheel 181 and the second pick-up wheel 182 are driven synchronously (this creation does not limit the driving mode thereof, and thus is not disclosed in the drawings) The first take-up wheel 181 and the second take-up wheel 182 are used to draw the wire with a frictional force, thereby taking the different size coils 40 to achieve the same tension value of the input wire in a drawing manner, thereby improving the stability of the automatic tension control.

Another embodiment of the present invention, as shown in Figures 7 and 8, is a tension closed loop automatic adjustment mechanism, comprising: a machine table 10, at least one driving device 20 and a controller 30, one machine A plurality of fixed roller axles 11 are mounted in the same direction of the platform 10, and a movable roller axle 12 is interposed between the fixed roller axles 11, and a limit position is arranged on both ends of the movable roller axle 12. The frame 13 is configured to allow the movable roller shaft 12 to adjust the distance relative to the fixed roller shaft 11 along the limiting frame 13, and the machine table 10 is provided with a fixing frame 16 at one end of the wire output machine, and the fixing is fixed. The frame 16 is provided with an output roller shaft 17, and a force detector 32 is disposed between the output roller shaft 17 and the fixed frame 16, thereby detecting the tension of the wire output machine 10, and the machine A stand 14 is disposed at the other end of the fixing frame 16 , and the stand 14 is provided with at least one input end roller shaft 15 , and the wire is formed through the input end roller shaft 15 and the output end roller shaft 17 . Stabilizing the penetrating and penetrating the machine table 10, and the machine table 10 is additionally provided with an input end The device 18 is provided, and the first pick-up wheel 181 and the second pick-up wheel 182 are disposed in parallel with each other, and the first pick-up wheel 181 and the second pick-up wheel 182 are connected by at least one driving member 183. A carriage 184 is disposed at both ends of the first take-up wheel 181 and the second take-up wheel 182, and the driving member 183 drives the first pick-up wheel 181 and the second pick-up wheel 182 to adjust along the carriage 184. At least one driving device 20 is connected to at least one end of the movable roller shaft 12, and the movable roller shaft 12 is driven to move by the driving device 20, and a controller 30 is coupled to the tension detector 32 and the driving device. The device 20, and the controller 30 compares the tension and the set tension with the tension detector 32, and automatically controls the driving device 20 to adjust the distance of the movable roller shaft 12 from the fixed roller shaft 11 in a closed cycle.俾 达到 达到 达到 达到 达到 达到 达到 达到 达到 达到 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 稳定 张力The final wire tension value at 10 o'clock, thereby ignoring any variable of the wire before the output end roller shaft 17, so as to simplify the detection complexity and maintain a constant tension.

In summary, this creation has indeed achieved a breakthrough structural design, and has improved new content, while at the same time achieving industrial use and progress, and this creation is not seen in any publication, but also novel, when In accordance with the provisions of the relevant laws and regulations of the Patent Law, a new type of patent application is filed according to law, and the examination authority of the bureau is required to grant legal patent rights.

Only the above-mentioned ones are only preferred embodiments of the present invention, and the scope of the creation of the present invention cannot be limited thereto; that is, the equal changes and modifications made by the majority of the patent application scope of the present invention should still belong to the present invention. Within the scope of the patent.

10‧‧‧ machine

11‧‧‧Fixed roller axle

12‧‧‧Active roller axle

13‧‧‧Limited frame

14‧‧‧ stand

15‧‧‧Input roller shaft

16‧‧‧ Fixing frame

17‧‧‧Output roller shaft

18‧‧‧ extraction device

181‧‧‧First take-up wheel

182‧‧‧Second take-up wheel

183‧‧‧ drive parts

184‧‧‧ carriage

20‧‧‧ drive

21‧‧‧Stepper motor

22‧‧‧First reducer

23‧‧‧First screw

24‧‧‧First slider

31‧‧‧Tensometer

Claims (10)

The invention relates to a tension closed cycle automatic adjusting mechanism, which comprises: a machine table, which is provided with a plurality of fixed roller shafts in the same direction, and a fixed roller shaft is interposed between the fixed roller shafts, and Both ends of the movable roller shaft are provided with a limiting frame, so that the movable roller shaft can adjust the distance relative to the fixed roller shaft along the limiting frame, and the machine is additionally provided with an input at the input end. And the first pick-up wheel and the second pick-up wheel are connected by at least one driving member, and the first pick-up wheel and the second pick-up wheel are connected to the second pick-up wheel and the second pick-up wheel A carriage is disposed at both ends of the take-up wheel, and the driving member drives the first pick-up wheel and the second pick-up wheel to adjust the clamping gap along the carriage; at least one driving device, the driving device is connected to the movable roller shaft At least one end of the movable roller shaft is driven by the driving device to form a movement, and a force detector is disposed between the movable roller shaft and the driving device, thereby detecting the tension at the movable roller shaft; And one a controller, the controller is coupled to the tension detector and the driving device, and the controller measures the tension and the set tension than the tension detector, and automatically controls the driving device to adjust the movable roller shaft in a closed loop Relative to the distance of the fixed roller shaft, 俾 achieves the effect of stably controlling the tension value through low cost. The tension closing automatic adjusting mechanism according to claim 1, wherein the driving device comprises a stepping motor, a first speed reducer, a first screw and a first slider, the stepping motor Interconnecting with the first reducer and fixing to the machine, and the first screw is connected to the first slider at one end, and the other end of the first screw is passed through the first reducer, and The first slider is coupled to the movable roller shaft, and the stepping motor drives the first screw with the first speed reducer, thereby pushing and pulling the first slider to drive the movable roller shaft. The tension closing automatic adjusting mechanism according to the second aspect of the invention, wherein the limiting frame is formed in a frame shape with two corresponding sliding grooves, and the sliding slot provides sliding of the first sliding block, The movable roller shaft can be adjusted along the displacement of the chute. The tension closing automatic adjusting mechanism according to claim 2, wherein the driving device is coupled to the linkage shaft by the first speed reducer, and the second speed reducer is driven by the linkage shaft, and the first The speed reducer is the same speed as the second speed reducer, and the second speed reducer connects a corresponding end of the movable roller shaft with a second screw and a second slider, thereby driving both ends of the movable roller shaft. Synchronous displacement. The tension closed loop automatic adjusting mechanism according to claim 1, wherein the machine is provided with a stand at one end, and the stand is provided with at least one input end roller shaft, and the other end of the machine A fixing frame is arranged, and the fixing frame is provided with an output end roller shaft through which the roller shaft and the output end roller shaft form a stable penetration and penetration of the wire. The invention relates to a tension closed cycle automatic adjusting mechanism, which comprises: a machine table, which is provided with a plurality of fixed roller shafts in the same direction, and a fixed roller shaft is interposed between the fixed roller shafts, and A limit frame is arranged at both ends of the movable roller shaft, so that the movable roller shaft can adjust the distance relative to the fixed roller shaft along the limit frame, and the machine is set at one end of the wire output machine. There is a fixing frame, and the fixing frame is provided with an output end roller shaft, and a force detector is arranged between the output end roller shaft and the fixing frame, thereby detecting the tension of the wire output machine, and the machine The platform is further provided with a pick-up device at the input end, and the pick-up device is provided with a first pick-up wheel and a second lead-in pair in parallel And the first take-up wheel and the second take-up wheel are connected by at least one driving member, and both ends of the first and second pick-up wheels are provided with a carriage, and the driving member drives the first take-up wheel And the second pick-up wheel adjusts the clamping gap along the carriage; at least one driving device, the driving device is connected to at least one end of the movable roller shaft, and drives the movable roller shaft to form a movement by the driving device; a controller, the controller is coupled to the tension detector and the driving device, and the controller measures the tension and the set tension compared to the tension detector, and automatically controls the driving device to adjust the movable roller shaft in a closed loop Relative to the distance of the fixed roller shaft, 俾 achieves the effect of stably controlling the tension value through low cost. The tension closed loop automatic adjusting mechanism according to claim 6, wherein the driving device comprises a stepping motor, a first speed reducer, a first screw and a first slider, the stepping motor Interconnecting with the first reducer and fixing to the machine, and the first screw is connected to the first slider at one end, and the other end of the first screw is passed through the first reducer, and the first slide The block is connected to the movable roller shaft, and the stepping motor drives the first screw with the first reducer, thereby pushing and pulling the first slider to achieve the purpose of driving the movable roller shaft. The tension closing automatic adjusting mechanism according to the seventh aspect of the invention, wherein the limiting frame is formed in a frame shape with two correspondingly disposed sliding grooves, and the sliding slot provides sliding of the first sliding block, The movable roller shaft can be adjusted along the displacement of the chute. The tension closing automatic adjusting mechanism according to claim 7, wherein the driving device is coupled to the linkage shaft by the first reduction gear, and the second reduction gear is driven by the linkage shaft, and the first The speed reducer is the same speed as the second speed reducer, and the second speed reducer connects the corresponding end of the movable roller shaft with a second screw and a second slider, thereby driving the Both ends of the movable roller shaft are synchronously displaced. The tension closed loop automatic adjusting mechanism according to claim 6, wherein the machine is provided with a stand at the other end of the fixed frame, and the stand is provided with at least one input end roller shaft. Through the input roller shaft and the output roller shaft, the wire is stably penetrated and passed out of the machine.