High-precision printing and dyeing equipment based on polylactic acid fibers

Abstract

The invention discloses high-precision printing and dyeing equipment based on polylactic acid fiber, which comprises a transmission shell, two positioning mechanisms, an adjusting assembly and a printing and dyeing mechanism, and is characterized in that the output end of the transmission shell is fixedly provided with a transmission roller I and is slidably provided with a transmission roller II; the two positioning mechanisms are arranged on the conveying shell and connected with the conveying shell through telescopic supports, the adjusting assembly is fixedly arranged at the output end of the conveying shell and conveys textiles into a printing and dyeing mechanism arranged at the output end of the conveying shell, and two laser emitting mechanisms are slidably arranged at the top of the conveying shell. Two laser receiving mechanisms corresponding to the two laser emitting mechanisms are arranged at the bottom of the transmission shell in a sliding mode, and a temperature adjusting assembly and a pressure adjusting assembly are arranged in the printing and dyeing mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of textile printing and dyeing, in particular to high-precision printing and dyeing equipment based on polylactic acid fibers. Background Art

[0002] As a bio-based material, polylactic acid is increasingly widely used in the textile field due to its good biodegradability and environmental protection properties. In addition, in order to improve the aesthetics of textiles, textiles need to be printed, dyed or embroidered after they are made.

[0003] At present, when textiles are printed and dyed, a transmission device is usually used to transfer the textile fabrics to the printing and dyeing equipment for printing and dyeing, and the temperature and pressure during printing and dyeing are adjusted according to the printing and dyeing requirements to ensure high-precision printing and dyeing requirements. In addition, during the printing and dyeing process, the textiles will also deviate, resulting in failure of textile printing and dyeing, causing waste, and therefore, anti-deviation equipment needs to be added during printing and dyeing to ensure the accuracy of printing and dyeing.

[0004] Most of the existing anti-deviation mechanisms are mechanical anti-deviation devices, which often have the problems of slow response speed and low adjustment accuracy. In addition, when adjusting the textiles, most of them are directly clamped and then shifted. Although the textiles are shifted in this process, they are mostly in a pulled state at this time, which increases the frequency of re-deviation in the subsequent printing and dyeing process, thereby affecting the printing and dyeing efficiency.

[0005] Therefore, it is necessary to provide a high-precision printing and dyeing equipment based on polylactic acid fiber to solve the problems raised in the above background technology. Summary of the invention

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-precision printing and dyeing device based on polylactic acid fiber, comprising a transmission shell, a positioning mechanism, an adjustment component and a printing and dyeing mechanism, wherein a transmission roller 1 is fixedly arranged at the output end of the transmission shell and a transmission roller 2 is slidably arranged thereon, two positioning mechanisms are provided, and the two positioning mechanisms are connected to the transmission shell through a telescopic bracket, the adjustment component is fixedly arranged at the output end of the transmission shell and transmits the textile to the printing and dyeing mechanism arranged at the output end of the transmission shell, two laser emitting mechanisms are slidably arranged at the top of the transmission shell, and two laser receiving mechanisms corresponding to the two laser emitting mechanisms are slidably arranged at the bottom of the transmission shell;

[0007] The printing and dyeing mechanism is provided with a temperature regulating component and a pressure regulating component.

[0008] Further, as a preference, the two positioning mechanisms are arranged in an up-and-down staggered manner;

[0009] The positioning mechanism includes a driving shaft, a slide cylinder and a positioning clamping rod, wherein slide cylinders are slidably arranged on both sides of the driving shaft, a telescopic rod is arranged between the slide cylinder and the driving shaft, and the slide cylinder is connected to the driving shaft through a bayonet pin, and a plurality of positioning clamping rods are fixedly arranged on the slide cylinder at circumferential intervals.

[0010] Further, as a preference, the outer surface of the positioning clamp rod is arc-shaped, and the multiple positioning clamp rods arranged on the two slide cylinders are mutually clamped to form a positioning transmission cylinder;

[0011] A limiting rod is fixedly and obliquely arranged on one end of the positioning clamping rod close to the slide cylinder.

[0012] Further, as a preference, the adjustment component includes an adjustment support, a slide, an adjustment transmission mechanism and a guide wheel mechanism, wherein the adjustment support is fixedly arranged on the transmission shell, a slide groove is opened on the adjustment support, a slide is slidably arranged in the slide groove, two adjustment transmission mechanisms are slidably arranged on the slide, and four guide wheel mechanisms are symmetrically arranged on the slide.

[0013] Further, as a preference, four slide bars are symmetrically arranged on the slide seat, two lead screws are rotatably arranged on the slide seat, and the two lead screws are driven by motor 1 and motor 2 respectively;

[0014] The adjusting transmission mechanism includes two transmission seats and a transmission belt arranged between the two transmission seats. The transmission seat is slidably arranged on two sliding rods located on the same side of the sliding seat, and a nut cooperating with the lead screw is provided on the transmission seat. The two lead screws respectively drive two different adjusting transmission mechanisms to slide along the sliding rod.

[0015] Further, as a preference, the guide wheel mechanism includes a support rod, a hydraulic rod 1, a support plate and a guide wheel, wherein the support rod is fixedly arranged on the slide seat, the output end of the support rod is fixedly provided with a hydraulic rod 1, the output end of the hydraulic rod 1 is provided with a support plate, the support plate is fixedly provided with a hydraulic rod 2, the output end of the hydraulic rod 2 is fixedly provided with an L-shaped rotating shaft, and a guide wheel and a limit wheel are rotatably provided on the two L sides of the rotating shaft.

[0016] Further, as a preference, there is a sliding gap between the support plate and the hydraulic rod 1, and a pressure sensor is provided in the sliding gap;

[0017] A distance sensor 1 is embedded in the hydraulic rod 2, and the distance sensor 1 is used to monitor the distance between the hydraulic rod 2 and the support rod;

[0018] A second distance sensor is embedded in the guide wheel, and the second distance sensor is used to monitor the distance between the guide wheel and the support plate.

[0019] Further, as a preference, a controller is provided on the transmission shell, and the controller is electrically connected to the laser emitting mechanism, the laser receiving mechanism, the temperature regulating component, the voltage regulating component, the motor 1, the motor 2, the pressure sensor, the distance sensor 1 and the distance sensor 2.

[0020] Compared with the prior art, the present invention provides a high-precision printing and dyeing equipment based on polylactic acid fiber, which has the following beneficial effects:

[0021] In the present invention, a positioning mechanism and an adjusting component are provided. The positioning mechanism can ensure that the textile will not deviate during transmission. The adjusting component is provided with an adjusting transmission mechanism and a guide wheel mechanism. The adjusting transmission mechanism can be used to effectively and accurately adjust the position of the textile when the textile deviates during the printing and dyeing process, thereby effectively improving the accuracy of printing and dyeing. After the adjustment, the guide wheel mechanism is used to eliminate the pulling force generated by the textile after the position adjustment, thereby avoiding the textile from deviating again due to the pulling force during the subsequent transmission process, thereby effectively reducing the frequency of the textile deviating, thereby ensuring high-precision printing and dyeing of the textile while effectively accelerating the printing and dyeing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the positioning mechanism in the present invention;

[0024] Figure 3 It is a structural schematic diagram of the regulating component in the present invention;

[0025] Figure 4 It is a structural schematic diagram of the regulating transmission mechanism in the present invention;

[0026] Figure 5 for Figure 3 A magnified schematic diagram of part A;

[0027] In the figure: 1. transmission shell; 11. transmission cylinder 1; 12. transmission cylinder 2; 13. telescopic bracket; 2. positioning mechanism; 21. drive shaft; 22. slide cylinder; 23. clamping rod; 24. telescopic rod; 25. limit rod; 3. adjustment assembly; 31. adjustment support; 32. slide seat; 321. slide rod; 322. screw; 33. adjustment transmission mechanism; 331. transmission seat; 332. transmission belt; 34. guide wheel mechanism; 341. support rod; 342. hydraulic rod 1; 343. support plate; 344. guide wheel; 345. hydraulic rod 2; 346. limit wheel; 4. printing and dyeing mechanism; 5. laser emitting mechanism; 6. laser receiving mechanism. DETAILED DESCRIPTION

[0028] Example: See Figure 1 to Figure 5 In an embodiment of the present invention, a high-precision dyeing and printing device based on polylactic acid fiber includes a transmission shell 1, a positioning mechanism 2, an adjustment component 3 and a dyeing and printing mechanism 4, wherein a transmission roller 11 is fixedly provided at the output end of the transmission shell 1 and a transmission roller 2 12 is slidably provided. Two positioning mechanisms 2 are provided, and the two positioning mechanisms 2 are connected to the transmission shell 1 through a telescopic bracket 13. The adjustment component 3 is fixedly provided at the output end of the transmission shell 1 and transmits the textile to the dyeing and printing mechanism 4 provided at the output end of the transmission shell 1. Two laser emitting mechanisms 5 are slidably provided at the top of the transmission shell 1, and two laser receiving mechanisms 6 corresponding to the two laser emitting mechanisms 5 are slidably provided at the bottom of the transmission shell 1;

[0029] The printing and dyeing mechanism 4 is provided with a temperature regulating component and a pressure regulating component;

[0030] The two positioning mechanisms 2 are staggered up and down;

[0031] The positioning mechanism 2 includes a driving shaft 21, a slide cylinder 22 and a positioning clamping rod 23, wherein slide cylinders 22 are slidably arranged on both sides of the driving shaft 21, a telescopic rod 24 is arranged between the slide cylinder 22 and the driving shaft 21, and the slide cylinder 22 is connected to the driving shaft 21 through a bayonet pin, and a plurality of positioning clamping rods 23 are fixedly arranged on the slide cylinder 22 at circumferential intervals.

[0032] During implementation, the textile to be printed and dyed is transmitted to the printing and dyeing mechanism 4 by means of the transmission roller 1 11, the transmission roller 2 12, the positioning mechanism 2 and the adjustment component 3 for printing and dyeing. During transmission, the slide cylinder 22 in the positioning mechanism 2 is adjusted to slide according to the width of the textile, so that the textile is always located between the two limit rods 25 on both sides of the driving shaft 21 during transmission, thereby effectively preventing the textile from being offset during transmission. Subsequently, the positions of the laser emitting mechanism 5 and the laser receiving mechanism 6 are adjusted according to the width of the textile, so that the laser beam is irradiated on both sides of the textile. When the textile is offset during the printing and dyeing process, the laser emitting mechanism 5 and the laser receiving mechanism 6 can accurately monitor the offset direction of the textile, and the printing and dyeing work is stopped at this time, and the textile is used to The controller is used to control the sliding seat 32 to slide and drive the adjusting transmission mechanism 33 to slide, so that the textile is pulled to the correct position. At this time, the textile is in a pulled state, that is, the tension on both sides of the textile is different, which makes the tension on both sides of the textile different. The guide wheel 344 is driven to slide by the hydraulic rod 2 345, so that the limiting wheel 346 is at the edge of the textile. Then, the hydraulic rod 1 342 is used to drive the support plate 343 to slide, so that the guide wheel 344 contacts the textile, and while the four guide wheels 344 tighten the textile, the adjusting transmission mechanism 33 is loosened. In this process, the pressure data applied by the support plate to the hydraulic rod 1 342 is monitored in real time by the pressure sensor, that is, the tension on the textile at this time is large, to ensure that the adjusting transmission mechanism When the textile is in a taut state at the time of adjustment, the textile will not be shifted again. After the guide wheel 344 completely tauts the textile, the distance sensor 1 is used to monitor the displacement difference between the two hydraulic rods 2 345, i.e., the two guide wheels 344, close to the side of the positioning mechanism 2. Then, according to the displacement difference, the two guide wheels 344 are adjusted to slide again to eliminate the displacement difference. At the same time, the two guide wheels 344 far away from the end of the positioning mechanism 2 are adjusted to slide. Thus, the textile is always in a taut state during the adjustment process, and the textile is prevented from shifting during the adjustment process. Thus, the textile between the positioning mechanism 2 and the adjusting transmission mechanism 33 is in a taut state and is not affected by the pulling and shifting. Then, the adjusting transmission mechanism 33 is tightened again. By tightening the adjusting transmission mechanism 33, the textile near the positioning mechanism 2 is The two guide wheels 344 at one end of the mechanism 2 are retracted, and the position of the adjusting transmission mechanism 33 is adjusted at the same time, so that the textile between the positioning mechanism 2 and the adjusting transmission mechanism 33 is in a taut and non-deflected state, and then the two guide wheels 344 close to the side of the printing and dyeing mechanism 4 are used to tension the textile between the adjusting transmission mechanism 33 and the printing and dyeing mechanism 4, and the positions of the two guide wheels 344 are adjusted according to the displacement difference between the two guide wheels 344, so that the two guide wheels 344 are in the same horizontal position, and the pressure on the two support plates 343, that is, the size of the tension on both sides of the textile, is monitored in real time during the adjustment process to ensure that the textile is always in a taut state during the adjustment process, so that the textile is no longer subjected to pulling force during position adjustment, thereby ensuring the accuracy of subsequent transmission.Avoid the textiles from shifting again due to pulling force after position adjustment, thereby effectively improving the accuracy and efficiency of printing and dyeing.

[0033] In this embodiment, Figure 2 The outer surface of the positioning clamp rod 23 is arc-shaped, and the multiple positioning clamp rods 23 arranged on the two slide cylinders 22 are mutually clamped and form a positioning transmission cylinder;

[0034] A limiting rod 25 is obliquely and fixedly provided at one end of the positioning rod 23 close to the slide cylinder 22 .

[0035] During implementation, the two slide cylinders 22 are adjusted to slide according to the size of the textile to be transmitted, so that the textile is exactly located between the limit rods 25 on both sides of the positioning transmission cylinder, thereby limiting the position of the textile so that the textile will not be offset during subsequent transmission.

[0036] In this embodiment, Figure 3 The adjustment component 3 includes an adjustment support 31, a slide 32, an adjustment transmission mechanism 33 and a guide wheel mechanism 34, wherein the adjustment support 31 is fixedly arranged on the transmission housing 1, a slide groove is opened on the adjustment support 31, a slide 32 is slidably arranged in the slide groove, two adjustment transmission mechanisms 33 are slidably arranged on the slide 32, and four guide wheel mechanisms 34 are symmetrically arranged on the slide 32.

[0037] In addition, the power source for the slide 32 to slide along the slide groove is an external driving mechanism, such as a gear rack mechanism, a hydraulic driving mechanism, and a worm gear;

[0038] During implementation, the textile is clamped and transmitted by means of the adjusting transmission mechanism 33, and the textile is reset after being offset. After being reset, the guide wheel mechanism 34 is used to eliminate the different pulling forces generated on both sides of the textile during the reset process, so that the reset textile will not be pulled and deviate a second time, thereby effectively reducing the frequency of textile offset, thereby speeding up the printing and dyeing efficiency while ensuring the printing and dyeing accuracy.

[0039] In this embodiment, Figure 4 The slide seat 32 is symmetrically provided with four slide rods 321, and the slide seat 32 is rotatably provided with two lead screws 322, which are driven by motor 1 and motor 2 respectively;

[0040] The adjusting transmission mechanism 33 includes two transmission seats 331 and a transmission belt 332 arranged between the two transmission seats 331. The transmission seat 331 is slidably arranged on two sliding rods 321 located on the same side of the sliding seat 32, and a nut cooperating with the lead screw 322 is provided on the transmission seat 331. The two lead screws 322 respectively drive two different adjusting transmission mechanisms 33 to slide along the sliding rod 321.

[0041] During implementation, two screws 322 are used to drive the two adjustment transmission mechanisms 33 to slide up and down, thereby clamping the textile, and effectively transmitting textiles of different thicknesses. After clamping the textile, the two adjustment transmission mechanisms 33 can slide up and down at the same time, and then cooperate with the guide wheel mechanism 34 to tighten the textile, thereby preventing the textile from shifting again during the adjustment process.

[0042] In this embodiment, Figure 3 and Figure 5 The guide wheel mechanism 34 includes a support rod 341, a hydraulic rod 1 342, a support plate 343 and a guide wheel 344, wherein the support rod 341 is fixedly arranged on the slide 32, the output end of the support rod 341 is fixedly provided with a hydraulic rod 1 342, the output end of the hydraulic rod 1 342 is provided with a support plate 343, a hydraulic rod 2 345 is fixedly arranged on the support plate 343, the output end of the hydraulic rod 2 345 is fixedly provided with an L-shaped rotating shaft, and the guide wheel 344 and the limiting wheel 346 are rotatably arranged on the two L sides of the rotating shaft.

[0043] In this embodiment, there is a sliding gap between the support plate 343 and the hydraulic rod 1 342, and a pressure sensor is provided in the sliding gap;

[0044] A distance sensor 1 is embedded in the second hydraulic rod 345 , and the distance sensor 1 is used to monitor the distance between the second hydraulic rod 345 and the support rod 341 ;

[0045] A second distance sensor is embedded in the guide wheel 344 , and the second distance sensor is used to monitor the distance between the guide wheel 344 and the support plate 343 .

[0046] During implementation, distance sensor 2 is used to monitor the distance between support plate 343 and guide wheel 344, so that hydraulic rod 2 345 can effectively transport guide wheel 344 to the edge position of the textile, and limit wheel 346 is just stuck at the edge of the textile. Then, the force applied to hydraulic rod 1 342 by support plate 343 is detected by pressure sensor, so as to calculate the tensioning force of the textile when guide wheel 344 tensions the textile, so that after the textile is tensioned, the tensioning force on both sides of the textile is the same. Then, distance sensor 1 is used to monitor the distance between hydraulic rod 2 345 and support rod 341, so as to calculate the displacement difference between the two guide wheels 344 on both sides of the textile, and adjust the positions of the two guide wheels 344 according to the displacement difference, so that the two guide wheels 344 are in the same horizontal position. In this process, pressure sensors are used to monitor the tensioning force on both sides of the textile in real time, ensuring that the textile is always in a taut state and the tensioning force on both sides is the same during the adjustment process, thereby eliminating the pulling force generated by the textile after the position adjustment, and ensuring the accuracy of subsequent textile transmission.

[0047] In this embodiment, a controller is provided on the transmission shell 1, and the controller is electrically connected to the laser emitting mechanism 5, the laser receiving mechanism 6, the temperature regulating component, the voltage regulating component, the motor 1, the motor 2, the pressure sensor and the distance sensor 1.

[0048] In particular, a temperature regulating component and a pressure regulating component are provided in the printing and dyeing equipment 4, so that the printing and dyeing temperature and pressure can be accurately controlled when printing and dyeing textiles generated from polylactic acid fibers, thereby reducing the temperature fluctuations generated during the printing and dyeing process, and setting different printing and dyeing pressures according to different printing and dyeing requirements, thereby effectively improving the printing and dyeing effect and further improving the accuracy of printing and dyeing.

[0049] In summary, when the present invention is implemented, the transmission roller 1 11, the transmission roller 2 12, the positioning mechanism 2 and the adjustment component 3 are used to transmit the textiles to be printed and dyed to the printing and dyeing mechanism 4 for printing and dyeing, and the laser emitting mechanism 5 and the laser receiving mechanism 6 are used to monitor the position of the textile in real time. When the textile is offset, the printing and dyeing work is stopped and the position of the textile is adjusted by the adjustment component 3 as soon as possible to eliminate the offset. In addition, the adjustment transmission mechanism 33 and the guide wheel mechanism 34 are provided in the adjustment component 3. Through the cooperation of the adjustment transmission mechanism 33 and the guide wheel mechanism 34, the pulling force generated by the textile itself after adjustment can be eliminated while adjusting the position of the textile, that is, the different tension forces on both sides of the textile are eliminated, so that the textile will not be offset again due to the pulling force after the position is adjusted, thereby effectively reducing the offset frequency of the textile, improving the printing and dyeing accuracy and accelerating the printing and dyeing efficiency.

[0050] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision printing and dyeing equipment based on polylactic acid fiber, characterized in that: The invention comprises a transmission shell (1), a positioning mechanism (2), an adjustment component (3) and a printing and dyeing mechanism (4), wherein a transmission roller 1 (11) is fixedly arranged at the output end of the transmission shell (1) and a transmission roller 2 (12) is slidably arranged thereon, two positioning mechanisms (2) are provided, and the two positioning mechanisms (2) are connected to the transmission shell (1) via a telescopic bracket (13), the adjustment component (3) is fixedly arranged at the output end of the transmission shell (1) and transmits the textile to the printing and dyeing mechanism (4) arranged at the output end of the transmission shell (1), two laser emitting mechanisms (5) are slidably arranged at the top of the transmission shell (1), and two laser receiving mechanisms (6) corresponding to the two laser emitting mechanisms (5) are slidably arranged at the bottom of the transmission shell (1); The printing and dyeing mechanism (4) is provided with a temperature regulating component and a pressure regulating component.

2. The high-precision printing and dyeing equipment based on polylactic acid fiber according to claim 1, characterized in that: The two positioning mechanisms (2) are arranged in an up-and-down staggered manner; The positioning mechanism (2) comprises a driving shaft (21), a slide cylinder (22) and a positioning clamping rod (23), wherein slide cylinders (22) are slidably arranged on both sides of the driving shaft (21), a telescopic rod (24) is arranged between the slide cylinder (22) and the driving shaft (21), and the slide cylinder (22) is connected to the driving shaft (21) via a bayonet pin, and a plurality of positioning clamping rods (23) are fixedly arranged on the slide cylinder (22) at circumferential intervals.

3. The high-precision printing and dyeing equipment based on polylactic acid fiber according to claim 2 is characterized in that: The outer surface of the positioning clamp rod (23) is arc-shaped, and the multiple positioning clamp rods (23) arranged on the two slide cylinders (22) are mutually clamped to form a positioning transmission cylinder; A limiting rod (25) is obliquely and fixedly provided at one end of the positioning clamping rod (23) close to the slide cylinder (22).

4. The high-precision printing and dyeing equipment based on polylactic acid fiber according to claim 1, characterized in that: The adjustment component (3) comprises an adjustment support (31), a slide (32), an adjustment transmission mechanism (33) and a guide wheel mechanism (34), wherein the adjustment support (31) is fixedly arranged on the transmission housing (1), a slide groove is provided on the adjustment support (31), a slide (32) is slidably arranged in the slide groove, two adjustment transmission mechanisms (33) are slidably arranged on the slide (32), and four guide wheel mechanisms (34) are symmetrically arranged on the slide (32).

5. The high-precision printing and dyeing equipment based on polylactic acid fiber according to claim 4, characterized in that: Four slide bars (321) are symmetrically arranged on the slide seat (32), and two lead screws (322) are rotatably arranged on the slide seat (32), and the two lead screws are driven by motor 1 and motor 2 respectively; The adjusting transmission mechanism (33) comprises two transmission seats (331) and a transmission belt (332) arranged between the two transmission seats (331); the transmission seat (331) is slidably arranged on two slide bars (321) located on the same side of the slide seat (32); and a nut cooperating with the lead screw (322) is provided on the transmission seat (331); the two lead screws (322) respectively drive two different adjusting transmission mechanisms (33) to slide along the slide bar (321).

6. The high-precision printing and dyeing equipment based on polylactic acid fiber according to claim 5, characterized in that: The guide wheel mechanism (34) comprises a support rod (341), a hydraulic rod 1 (342), a support plate (343) and a guide wheel (344), wherein the support rod (341) is fixedly arranged on the slide seat (32), the output end of the support rod (341) is fixedly arranged with a hydraulic rod 1 (342), the output end of the hydraulic rod 1 (342) is provided with a support plate (343), the support plate (343) is fixedly arranged with a hydraulic rod 2 (345), the output end of the hydraulic rod 2 (345) is fixedly arranged with an L-shaped rotating shaft, and the guide wheel (344) and the limiting wheel (346) are rotatably arranged on the two L sides of the rotating shaft.

7. The high-precision printing and dyeing equipment based on polylactic acid fiber according to claim 6, characterized in that: There is a sliding gap between the support plate (343) and the hydraulic rod (342), and a pressure sensor is provided in the sliding gap; A distance sensor 1 is embedded in the second hydraulic rod (345), and the distance sensor 1 is used to monitor the distance between the second hydraulic rod (345) and the support rod (341); A second distance sensor is embedded in the guide wheel (344), and the second distance sensor is used to monitor the distance between the guide wheel (344) and the support plate (343).

8. The high-precision printing and dyeing equipment based on polylactic acid fiber according to claim 7, characterized in that: The transmission housing (1) is provided with a controller, and the controller is electrically connected to the laser emitting mechanism (5), the laser receiving mechanism (6), the temperature regulating component, the voltage regulating component, the first motor, the second motor, the pressure sensor, the first distance sensor, and the second distance sensor.

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