Automatic sensor support adjusting device for optical fiber screening machine

Abstract

The utility model discloses an automatic sensor support adjusting device for an optical fiber screening machine. The automatic sensor support adjusting device comprises a transverse guide wheel, a vertical guide wheel, a fixed support, a sensor, a rotating plate, a sensor support and a driving assembly. The transverse guide wheel is vertically and transversely arranged and is rotationally connected with the upper end of the fixed bracket; the vertical guide wheel is vertically and longitudinally arranged and is rotationally connected with the left end of the fixed bracket; the rotating plate is vertically and longitudinally arranged on the right side of the vertical guide wheel, the upper end of the rotating plate is vertically and longitudinally connected with the lower end of the fixed support in a swinging mode through a driving assembly, and the lower end of the rotating plate is vertically and fixedly connected with the position, close to the right end, of the upper end face of the vertically and transversely arranged sensor support. And sensors are horizontally and longitudinally arranged on the front surface of the sensor bracket relative to the left and right sides of the vertical guide wheel. According to the utility model, on-line real-time automatic adjustment of the sensor support can be realized so as to adapt to different optical fiber large discs, the problem that shutdown adjustment is needed after the diameter of the large disc changes is solved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical fiber production, and specifically relates to a sensor support automatic adjusting device for an optical fiber screening machine. BACKGROUND

[0002] The current optical fiber market is highly competitive, and enterprises are under pressure to reduce costs and increase efficiency. With the increasing trend of automation of production equipment, improving production efficiency and reducing manual intervention has become the key to improving the competitiveness of enterprises.

[0003] The existing sensor support for the optical fiber screening machine has the following problems: 1) During the optical fiber rewinding process, as the optical fiber on the large disc gradually decreases, the diameter of the large disc gradually decreases, which causes the distance between the optical fiber and the sensor support to become closer; this change may cause the optical fiber to be scratched by the sensor support or other equipment, thereby affecting the production quality; 2) When the diameter of the large disc changes significantly, the optical fiber may exceed the effective measurement range of the sensor, which makes it impossible to accurately monitor the position of the optical fiber, thereby affecting the control accuracy during the production process; 3) When the large disc is replaced, if its diameter becomes larger, the optical fiber may move away from the sensor support and exceed the measurement range of the sensor, at which point the machine must be stopped for manual adjustment of the position of the sensor support; this process is not automated and requires manual intervention, which reduces production efficiency and increases the complexity of the operation and production downtime. Therefore, the above problems need to be solved. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a sensor support automatic adjusting device for an optical fiber screening machine, which can realize online real-time automatic adjustment of the sensor support to adapt to different optical fiber large discs, solve the problem of needing to stop and adjust after the diameter of the large disc changes, avoid manual disc type selection, save time and effort, and improve production efficiency.

[0005] The utility model discloses a sensor support automatic adjusting device for optical fiber screening machine, and its innovation lies in: including horizontal direction guide wheel, vertical direction guide wheel, fixed bolster, sensor, rotating plate, sensor support and drive assembly, the horizontal direction guide wheel is vertically set up horizontally, and it is with the upper end of fixed bolster around its own axial rotation connection, the vertical direction guide wheel is vertically set up longitudinally, and it is with the left end of fixed bolster around its own axial rotation connection, the rotating plate is vertically set up longitudinally and is located the right side of vertical direction guide wheel, and its upper end is through drive assembly and is connected with the lower end of fixed bolster vertically longitudinally swing, the lower end of rotating plate and the upper end surface of vertically set up horizontally sensor support are fixedly connected with its right end position perpendicularly, and when the sensor support is in vertical state, it is located the lower side position of vertical direction guide wheel, and the front surface middle position of sensor support is still horizontally longitudinally symmetric and is equipped with sensor relative to vertical direction guide wheel left and right sides, and the inductive end of two sensors all sets up to the front side direction, and angle adjustment is carried out along with rotating plate.

[0006] Preferably, the fixed bolster includes a fixed plate, a horizontal mounting plate, a vertical mounting plate, and a motor mounting plate; the vertical mounting plate and the motor mounting plate are vertically and longitudinally arranged with a left-right interval, and the rear end surface of the vertical mounting plate and the rear end surface of the motor mounting plate are vertically and horizontally coplanarly arranged, and the upper end surface of the vertical mounting plate and the upper end surface of the motor mounting plate are ensured to be in the same horizontal plane; a fixed plate is further vertically and horizontally arranged between the vertical mounting plate and the motor mounting plate at the rear end position thereof, and a mounting hole is symmetrically and vertically embedded in the front surface of the fixed plate with a left-right interval, so as to install and fix the fixed bolster through the mounting hole; the rear surface of the fixed plate and the rear end surface of the vertical mounting plate are vertically and horizontally coplanarly arranged, and the left and right ends thereof are respectively and perpendicularly connected with the corresponding positions of the right side surface of the vertical mounting plate and the left side surface of the motor mounting plate, and the upper end surface of the fixed plate and the upper end surface of the vertical mounting plate are ensured to be in the same horizontal plane; a horizontal mounting plate is further vertically and horizontally fixedly arranged on the upper end surface of the fixed plate, and the rear surface of the horizontal mounting plate and the rear surface of the fixed plate are vertically and horizontally coplanarly arranged.

[0007] Preferably, the adjustable shaft rod I is further arranged; the adjustable shaft rod I is arranged horizontally and longitudinally at the middle position of the top end of the front side of the transverse mounting plate, and the fixed hole I matched with the adjustable shaft rod I is vertically embedded and penetrates through the front surface of the transverse mounting plate relative to the position of the adjustable shaft rod I, the fixed end of the adjustable shaft rod I is connected with the transverse mounting plate around its own axis, and the adjusting end is arranged horizontally and longitudinally forward, and is coaxially connected with the vertically and transversely arranged transverse guide wheel, so as to adjust the longitudinal position of the transverse guide wheel through the adjustable shaft rod I, and the transverse guide wheel is connected with the transverse mounting plate through the adjustable shaft rod I.

[0008] Preferably, the adjustable shaft rod II is further arranged; the longitudinal length of the vertical mounting plate is greater than the longitudinal length of the motor mounting plate, and the adjustable shaft rod II is arranged horizontally and transversely at the middle position of the top end of the left side of the vertical mounting plate, and the fixed hole II matched with the adjustable shaft rod II is vertically embedded and penetrates through the left side of the vertical mounting plate relative to the position of the adjustable shaft rod II, the fixed end of the adjustable shaft rod II is connected with the vertical mounting plate around its own axis, and the adjusting end is arranged horizontally and transversely leftward, and is coaxially connected with the vertically and longitudinally arranged vertical guide wheel, so as to adjust the transverse position of the vertical guide wheel through the adjustable shaft rod II, and the vertical guide wheel is connected with the vertical mounting plate through the adjustable shaft rod II.

[0009] Preferably, the height of the transverse mounting plate and the arrangement position of the fixed hole I need to ensure that the vertical mounting plate, the motor mounting plate and the driving assembly do not interfere with the rotation of the transverse guide wheel.

[0010] Preferably, the longitudinal length of the vertical mounting plate and the arrangement position of the fixed hole II need to ensure that the vertical guide wheel is arranged at the front side of the transverse guide wheel with a spacing, and the left end of the transverse guide wheel and the rear end of the vertical guide wheel are arranged in a straight line upward and downward.

[0011] Preferably, the driving assembly comprises a rotating shaft, a speed reducer and a servo motor; the rotating shaft is arranged horizontally and transversely at the middle position of the left side of the motor mounting plate, and the upper end of the rotating plate is coaxially and fixedly connected with the left end of the rotating shaft; the right end of the rotating shaft extends horizontally and transversely out of the right side of the motor mounting plate, and is coaxially connected with the left end of the speed reducer, the right end of the speed reducer is coaxially connected with the output end of the servo motor, and under the driving of the servo motor, the rotating plate rotates around its own axis with the rotating shaft, thereby driving the sensor support to vertically and longitudinally swing.

[0012] Preferably, the height of the rotating plate must ensure that the sensor bracket is located on the lower rear side of the vertical guide wheel, and must ensure that the sensor bracket does not interfere with the rotation of the vertical guide wheel; a waist-shaped hole I that matches the fixed end of the sensor is also vertically embedded and opened on the front surface of the sensor bracket relative to the sensor position; the waist-shaped hole I is opened horizontally and is symmetrically arranged on the left and right sides relative to the vertical guide wheel; after the fixed ends of the two sensors are adjusted laterally along the waist-shaped hole I, they are locked and fixed to the sensor bracket, and then the optical fiber is detected by the sensor.

[0013] Preferably, it also includes idler rollers; on the front surface of the sensor bracket, at positions directly below both ends of the waist-shaped hole I, waist-shaped holes II that match the idler rollers are vertically embedded and penetrated, and each waist-shaped hole II is arranged horizontally and symmetrically with respect to the vertical guide wheel; each idler roller is arranged horizontally and longitudinally, and its rear end is adjusted laterally along the corresponding waist-shaped hole II before being locked and fixed to the sensor bracket; the front end of each idler roller extends horizontally forward beyond the horizontal plane where the rear end of the vertical guide wheel is located, and it is necessary to ensure that when the optical fiber on the large plate passes through the rear end of the vertical guide wheel and the left end of the horizontal guide wheel in sequence, the optical fiber is protected in the left and right directions by the two idler rollers.

[0014] The beneficial effects of this utility model are:

[0015] (1) This utility model can realize the online real-time automatic adjustment of the sensor bracket to adapt to different fiber optic trays, solve the problem of needing to stop the machine for adjustment after the tray diameter changes, avoid manual tray selection, save time and effort, and improve production efficiency;

[0016] (2) By setting up a roller, this utility model can play a protective role when the sensor fails, preventing the optical fiber from being scratched. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of an automatic adjustment device for a sensor bracket of an optical fiber screening machine according to the present invention.

[0019] Figure 2 for Figure 1 Side view.

[0020] Figure 3 for Figure 1Structure diagram of fixed support.

[0021] Figure 4 Structure diagram of the sensor support angle adjustment.

[0022] Wherein, 1 - horizontal guide wheel; 2 - adjustable shaft rod I; 3 - vertical guide wheel; 4 - adjustable shaft rod II; 5 - fixed support; 6 - speed reducer; 7 - servo motor; 8 - rotating shaft; 9 - rotating plate; 10 - sensor support; 11 - waist hole I; 12 - sensor; 13 - carrier roller; 14 - waist hole II; 15 - optical fiber; 16 - large disc; 51 - fixed plate; 52 - mounting hole; 53 - horizontal mounting plate; 54 - fixed hole I; 55 - vertical mounting plate; 56 - fixed hole II; 57 - motor mounting plate. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described clearly and completely through specific embodiments.

[0024] The utility model discloses a sensor support automatic adjusting device for optical fiber screening machine, including horizontal guide wheel 1, vertical guide wheel 3, fixed support 5, sensor 12, rotating plate 9, sensor support 10 and drive assembly, and specific structure as Figures 1-4 The horizontal guide wheel 1 is vertically and horizontally arranged, and is connected to the upper end of the fixed support 5 around its own axial direction. The vertical guide wheel 3 is vertically and longitudinally arranged, and is connected to the left end of the fixed support 5 around its own axial direction. The rotating plate 9 is vertically and longitudinally arranged on the right side of the vertical guide wheel 3, and its upper end is connected to the lower end of the fixed support 5 through the drive assembly. The lower end of the rotating plate 9 is connected to the upper end of the sensor support 10, which is vertically arranged, and the sensor support 10 is arranged on the lower side of the vertical guide wheel 3. Two sensors 12 are symmetrically arranged on the front surface of the sensor support 10, and the sensing ends of the two sensors 12 are arranged in the forward direction and are adjusted with the rotating plate 9.

[0025] The fixed support 5 includes a fixed plate 51, a horizontal mounting plate 53, a vertical mounting plate 55 and a motor mounting plate 57. Figures 1-3As shown, the vertical mounting plate 55 is vertically longitudinally arranged with the motor mounting plate 57 left and right spaced, and the rear end surface of the vertical mounting plate 55 is vertically transversely coplanar with the rear end surface of the motor mounting plate 57, and ensures that the upper end surface of the vertical mounting plate 55 and the upper end surface of the motor mounting plate 57 are in the same horizontal plane; between the vertical mounting plate 55 and the motor mounting plate 57, the fixed plate 51 is also vertically transversely arranged at the rear end position, and the mounting hole 52 is vertically embedded and opened in the front surface of the fixed plate 51 left and right spaced symmetrically, and then the fixed bracket 5 is installed and fixed through the mounting hole 52; the rear surface of the fixed plate 51 is vertically transversely coplanar with the rear end surface of the vertical mounting plate 55, and its left and right ends are respectively vertically fixedly connected with the corresponding positions of the right side surface of the vertical mounting plate 55 and the left side surface of the motor mounting plate 57, and ensures that the upper end surface of the fixed plate 51 and the upper end surface of the vertical mounting plate 55 are in the same horizontal plane; the transverse mounting plate 53 is also vertically transversely fixedly arranged on the upper end surface of the fixed plate 51, and the rear surface of the transverse mounting plate 53 is vertically transversely coplanar with the rear surface of the fixed plate 51.

[0026] As shown in the figure, Figures 1-3 The adjustable shaft rod I2 is also horizontally longitudinally arranged on the front side of the transverse mounting plate 53 at the top end intermediate position, and the fixed hole I54 matched with the adjustable shaft rod I2 is vertically embedded and opened on the front surface of the transverse mounting plate 53 relative to the position of the adjustable shaft rod I2, the fixed end of the adjustable shaft rod I2 is connected with the transverse mounting plate 53 around its own axial rotation through the fixed hole I54, and its adjusting end is horizontally longitudinally arranged forward, and coaxially sleeve connected with the vertically transversely arranged transverse guide wheel 1, and then the longitudinal position of the transverse guide wheel 1 is adjusted through the adjustable shaft rod I2, and the transverse guide wheel 1 is connected with the transverse mounting plate 53 through the adjustable shaft rod I2.

[0027] As shown in the figure, Figures 1-3As shown, the longitudinal length of the vertical mounting plate 55 is greater than the longitudinal length of the motor mounting plate 57, and an adjustable shaft II 4 is horizontally transversely arranged at the left side of the vertical mounting plate 55 at the middle position of the top end, and a fixed hole II 56 matched with the adjustable shaft II 4 is vertically embedded through the left side of the vertical mounting plate 55 relative to the position of the adjustable shaft II 4, the fixed end of the adjustable shaft II 4 is connected with the vertical mounting plate 55 around its own axis, and the adjusting end is horizontally transversely arranged to the left, and coaxially connected with the vertically longitudinally arranged vertical guide wheel 3, so as to adjust the horizontal position of the vertical guide wheel 3 through the adjustable shaft II 4, and make the vertical guide wheel 3 rotate with the vertical mounting plate 55 through the adjustable shaft II 4; wherein the height of the horizontal mounting plate 53 and the opening position of the fixed hole I 54 need to ensure that the vertical mounting plate 55, the motor mounting plate 57 and the driving assembly do not interfere with the rotation of the horizontal guide wheel 1; the longitudinal length of the vertical mounting plate 55 and the opening position of the fixed hole II 56 need to ensure that the vertical guide wheel 3 is arranged at the front side of the horizontal guide wheel 1, and the left end of the horizontal guide wheel 1 and the rear end of the vertical guide wheel 3 are arranged in a straight line.

[0028] The utility model discloses a driving assembly, including shaft 8, speed reducer 6 and servo motor 7, as Figures 1-3 As shown, a shaft 8 is horizontally transversely arranged at the middle position of the left side of the motor mounting plate 57, and the upper end of the rotating plate 9 is coaxially sleeved and fixed with the left end of the shaft 8; the right end of the shaft 8 extends out of the right side of the motor mounting plate 57 horizontally transversely, and is coaxially connected with the left end of the speed reducer 6, the right end of the speed reducer 6 is coaxially connected with the output end of the servo motor 7, and under the driving of the servo motor 7, the rotating plate 9 rotates around its own axis with the shaft 8, and then drives the sensor support 10 to vertically swing.

[0029] As shown in the figure, Figures 1-3 The height of the rotating plate 9 needs to ensure that the sensor support 10 is located at the lower side of the vertical guide wheel 3, and needs to ensure that the sensor support 10 does not interfere with the rotation of the vertical guide wheel 3; a waist-shaped hole I 11 matched with the fixed end of the sensor 12 is vertically embedded through the front surface of the sensor support 10 relative to the position of the sensor 12, the waist-shaped hole I 11 is horizontally transversely arranged, and the two sensors 12 are horizontally transversely arranged relative to the vertical guide wheel 3; the fixed end of the two sensors 12 is adjusted in horizontal position along the waist-shaped hole I 11, and then is locked and fixed with the sensor support 10, so as to detect the optical fiber 15 through the sensor 12.

[0030] As shown in the figure, Figures 1-3As shown, the waist-shaped hole II 14 that is matched with the supporting roller 13 is vertically embedded in the front surface of the sensor support 10 below the two ends of the waist-shaped hole I 11, and each waist-shaped hole II 14 is arranged along the horizontal direction and is symmetrically arranged relative to the vertical guide wheel 3; each supporting roller 13 is arranged along the horizontal direction, and the rear end of the supporting roller 13 is adjusted in the horizontal direction along the corresponding waist-shaped hole II 14, and then is locked and fixed with the sensor support 10; the front end of each supporting roller 13 extends out of the horizontal plane where the rear end of the vertical guide wheel 3 is located, and the optical fiber 15 on the large disc 16 is sequentially arranged through the rear end of the vertical guide wheel 3 and the left end of the horizontal guide wheel 1, and the optical fiber 15 is protected in the left-right direction by the two supporting rollers 13.

[0031] The working principle of the utility model is as follows: the optical fiber 15 on the large disc 16 is sequentially arranged through the rear end of the vertical guide wheel 3 and the left end of the horizontal guide wheel 1 between the two supporting rollers 13, and then is transmitted to the right through the upper end of the horizontal guide wheel 1, so that the optical fiber 15 is rewound, and the optical fiber 15 is detected by the two sensors 12 in the process.

[0032] When the detection range of the sensor 12 is exceeded, as shown, Figure 4 The sensor support 10 is vertically and longitudinally swung with the rotating shaft 8 under the driving of the servo motor 7, so that the distance between the sensor 12 and the optical fiber 15 is adjusted.

[0033] The utility model has the advantages of:

[0034] (1) The utility model can realize online real-time automatic adjustment of the sensor support 10, so as to adapt to different optical fiber 15 large discs 16, solve the problem that the large disc 16 needs to be adjusted after the diameter changes, avoid manual disc selection, save time and effort, and improve production efficiency.

[0035] (2) The utility model is provided with the supporting roller 13, which can protect the optical fiber 15 from being scratched when the sensor 12 fails.

[0036] The above-described embodiments are only preferred embodiments of the utility model, and do not limit the design concept and scope of the utility model. Various modifications and improvements of the technical scheme of the utility model made by ordinary engineering technicians in the art shall fall within the protection scope of the utility model. The technical content claimed by the utility model has been fully recorded in the technical requirements.

Claims

1. An automatic adjusting device for a sensor support of an optical fiber sorting machine, characterized in that: The utility model provides a kind of vertical and horizontal position adjustable sensor, including lateral guide wheel, vertical guide wheel, fixed support, sensor, rotating plate, sensor support and drive assembly;The lateral guide wheel is vertically transversely arranged, and it is connected with the upper end of the fixed support around its own axial rotation;The vertical guide wheel is vertically longitudinally arranged, and it is connected with the left end of the fixed support around its own axial rotation;The rotating plate is vertically longitudinally spaced between the right side of the vertical guide wheel, and its upper end is connected with the lower end of the fixed support vertically longitudinally swing by drive assembly, the lower end of the rotating plate is vertically fixedly connected with the upper end surface of the sensor support which is vertically transversely arranged, and the sensor support is spaced between the lower rear side of the vertical guide wheel when being in vertical state;Sensor is also horizontally longitudinally symmetrically arranged in the middle position of the front surface of the sensor support relative to the left and right sides of vertical guide wheel, and the sensing end of two sensors is arranged towards front side direction, and angle adjustment is carried out with rotating plate.

2. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 1, characterized in that: The fixed support includes fixed plate, transverse mounting plate, vertical mounting plate and motor mounting plate;The vertical mounting plate and the motor mounting plate are vertically longitudinally arranged with left and right spacing, and the rear end surface of the vertical mounting plate and the rear end surface of the motor mounting plate are vertically transversely coplanarly arranged, and the upper end surface of the vertical mounting plate and the upper end surface of the motor mounting plate are ensured to be in the same horizontal plane;Fixed plate is also vertically transversely arranged between the vertical mounting plate and the motor mounting plate at the rear end position, and mounting hole is vertically embedded and passed through in the front surface of the fixed plate with left and right spacing symmetrically, so as to install and fix the fixed support through the mounting hole;The rear surface of the fixed plate and the rear end surface of the vertical mounting plate are vertically transversely coplanarly arranged, and the left and right ends thereof are vertically fixedly connected with the corresponding positions of the right side surface of the vertical mounting plate and the left side surface of the motor mounting plate respectively, and the upper end surface of the fixed plate and the upper end surface of the vertical mounting plate are ensured to be in the same horizontal plane;Transverse mounting plate is also vertically transversely fixedly arranged on the upper end surface of the fixed plate, and the rear surface of the transverse mounting plate and the rear surface of the fixed plate are vertically transversely coplanarly arranged.

3. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 2, characterized in that: It also includes adjustable shaft rod I;Adjustable shaft rod I is also horizontally longitudinally arranged at the top end middle position of the front side of the transverse mounting plate, and fixed hole I matched with adjustable shaft rod I is vertically embedded and passed through in the front surface of the transverse mounting plate relative to the position of adjustable shaft rod I, and the fixed end of the adjustable shaft rod I is connected with the transverse mounting plate around its own axial rotation through the fixed hole I, and the adjusting end thereof is horizontally longitudinally arranged towards front, and coaxially sleeve-connected with the lateral guide wheel which is vertically transversely arranged, so as to longitudinally adjust the position of the lateral guide wheel through adjustable shaft rod I, and make the lateral guide wheel rotate with the transverse mounting plate through adjustable shaft rod I.

4. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 3, characterized in that: It also includes adjustable shaft rod II; the longitudinal length of the vertical installation plate is greater than the longitudinal length of the motor installation plate, and the adjustable shaft rod II is also horizontally transversely arranged at the left side of the vertical installation plate and at the middle position of the top end thereof, and the vertical embedding through hole with the fixed hole II matched with the adjustable shaft rod II is also arranged on the left side surface of the vertical installation plate relative to the adjustable shaft rod II, the fixed end of the adjustable shaft rod II is connected with the vertical installation plate through the fixed hole II and rotates around its own axis, and the adjusting end thereof is horizontally transversely arranged to the left and coaxially connected with the vertically longitudinally arranged vertical guide wheel, so as to adjust the horizontal position of the vertical guide wheel through the adjustable shaft rod II and make the vertical guide wheel rotate with the vertical installation plate through the adjustable shaft rod II.

5. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 4, characterized in that: The height of the transverse installation plate and the arrangement position of the fixed hole I should ensure that the vertical installation plate, the motor installation plate and the driving assembly do not interfere with the rotation of the horizontal guide wheel.

6. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 5, characterized in that: The longitudinal length of the vertical installation plate and the arrangement position of the fixed hole II should ensure that the vertical guide wheel is arranged at the front side of the horizontal guide wheel and the left end of the horizontal guide wheel is arranged in the same straight line with the rear end of the vertical guide wheel.

7. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 2, characterized in that: The driving assembly includes a rotating shaft, a speed reducer and a servo motor; the rotating shaft is also horizontally transversely arranged at the middle position of the left side surface of the motor installation plate, and the upper end of the rotating plate is coaxially fixedly connected with the left end of the rotating shaft; the right end of the rotating shaft horizontally transversely extends out of the right side surface of the motor installation plate and is coaxially connected with the left end of the speed reducer, the right end of the speed reducer is coaxially connected with the output end of the servo motor, and under the driving of the servo motor, the rotating plate rotates around its own axis with the rotating shaft, thereby driving the sensor support to vertically longitudinally swing.

8. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 2, characterized in that: The height of the rotating plate should ensure that the sensor support is arranged at the rear lower side of the vertical guide wheel and should ensure that the sensor support does not interfere with the rotation of the vertical guide wheel; the waist-shaped hole I matched with the fixed end of the sensor is also vertically embedded through the front surface of the sensor support relative to the sensor, the waist-shaped hole I is horizontally transversely arranged, and it is symmetrically arranged relative to the vertical guide wheel; the fixed ends of the two sensors are respectively adjusted in the horizontal position along the waist-shaped hole I, and then are fixedly connected with the sensor support, thereby the sensor detects the optical fiber.

9. The automatic adjusting device for the sensor support of an optical fiber screening machine according to claim 2, characterized in that: It also includes a supporting roller; the waist-shaped hole II matched with the supporting roller is also vertically embedded through the front surface of the sensor support relative to the two ends of the waist-shaped hole I and directly below, and each waist-shaped hole II is horizontally transversely arranged and symmetrically arranged relative to the vertical guide wheel; each supporting roller is horizontally longitudinally arranged, and the rear end thereof is adjusted in the horizontal position along the corresponding waist-shaped hole II, and then is fixedly connected with the sensor support; the front end of each supporting roller horizontally longitudinally extends out of the horizontal transverse plane where the rear end of the vertical guide wheel is arranged, and it should be ensured that when the optical fiber on the large disc passes through the rear end of the vertical guide wheel and the left end of the horizontal guide wheel in sequence, the optical fiber is protected in the left and right directions by the two supporting rollers.

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