An intelligent bleaching device for hemp fiber

Abstract

The present invention is applicable to the technical field of hemp fiber bleaching, and provides an intelligent hemp fiber bleaching device, including a bleaching box, and also including: a cross frame, an elastic telescopic cylinder, a guide sleeve, a guide roller, a support roller, a lifting plate, a telescopic cylinder and a transmission rod. When the telescopic cylinder drives the lifting plate to rise, under the action of the bar hole limiting the transmission rod, multiple elastic telescopic cylinders shrink synchronously to the middle; when the telescopic cylinder drives the lifting plate to descend, under the action of the bar hole limiting the transmission rod, multiple elastic telescopic cylinders expand synchronously to both sides; a buffer lifting component, during the lifting and lowering movement of the lifting plate, the buffer lifting component is used to extract the bleaching agent inside the bleaching box and buffer it to a hose, and after being transmitted by the transmission rod, it is finally sprayed out through a nozzle and acts on the fiber material. The present invention significantly improves the bleaching efficiency and quality through the stable and dynamic S-shaped conveying of the fiber material and the intelligent buffer spraying mechanism.

Description

Technical Field

[0001] The invention belongs to the technical field of hemp fiber bleaching, and in particular relates to an intelligent hemp fiber bleaching device. Background Art

[0002] Hemp fiber is a natural long fiber extracted from the bast of the hemp plant stem. Here are some of the characteristics and uses of hemp fiber: moisture absorption and breathability, antibacterial and mildew-proof, UV-resistant, environmentally sustainable and durable, it can be made into textiles, sanitary products, composite materials and packaging materials, etc.

[0003] During the manufacturing process, hemp fiber usually needs to go through a series of processing steps to remove lignin and other non-fiber components in the plant in order to obtain pure fiber. The processing of hemp fiber also includes a bleaching process, but the existing bleaching device has a traditional structure and cannot stably and dynamically transport fiber materials. It generally only uses a simple immersion bleaching method and lacks an intelligent buffer spray auxiliary mechanism, which affects the bleaching efficiency and quality of fiber materials.

[0004] Therefore, in view of the above situation, there is an urgent need to develop an intelligent hemp fiber bleaching device to overcome the shortcomings in current practical applications. Summary of the invention

[0005] The purpose of the present invention is to provide an intelligent hemp fiber bleaching device, aiming to solve the problems mentioned in the above background technology.

[0006] The present invention is implemented as follows: an intelligent hemp fiber bleaching device includes a bleaching box, an opening and closing door is installed on the front side of the bleaching box, and material inlets and outlets for fiber materials are respectively opened on the upper part of the two side walls of the bleaching box, and a bleaching agent adding component for adding bleaching agent into the bleaching box is also installed on the top of the bleaching box, and also includes:

[0007] A cross frame, a cross frame is fixed on the inner side of the bleaching box, a plurality of elastic telescopic cylinders are evenly distributed on the front side of the cross frame, and the telescopic ends of two adjacent elastic telescopic cylinders are staggered, a guide sleeve is also fixed on the cylinder body of the elastic telescopic cylinder, the guide sleeve is slidably connected to the cross frame, the telescopic ends of the two elastic telescopic cylinders at the two ends are rotatably mounted with guide rollers, and the telescopic ends of the remaining elastic telescopic cylinders are rotatably mounted with support rollers, the guide rollers and the support rollers cooperate to input and output the fiber material from the material inlet and outlet of the two side walls of the bleaching box, and to enable the fiber material to be transported in an S shape in the bleaching box for bleaching;

[0008] A lifting plate, a lifting plate is provided at the rear side of the cross frame, a telescopic cylinder is fixed at the bottom of the lifting plate, a cylinder body of the telescopic cylinder is fixedly connected to the bottom of the bleaching box, a plurality of strip holes are provided on the lifting plate, a transmission rod which slides in cooperation with the strip holes is fixed on the cylinder body of the elastic telescopic cylinder, and when the telescopic cylinder drives the lifting plate to rise, under the action of the strip holes limiting the transmission rod, the plurality of the elastic telescopic cylinders are synchronously contracted toward the middle; when the telescopic cylinder drives the lifting plate to descend, under the action of the strip holes limiting the transmission rod, the plurality of the elastic telescopic cylinders are synchronously expanded toward both sides;

[0009] A buffer lifting assembly is installed at the bottom of the bleaching box, the buffer lifting assembly is connected to the bottom of the lifting plate, and the buffer lifting assembly is also connected to the transmission rod on the elastic telescopic cylinder corresponding to the support roller through a hose, and a nozzle for spraying bleaching agent onto the fiber material is also installed on the transmission rod; during the lifting and lowering movement of the lifting plate, the buffer lifting assembly is used to extract the bleaching agent inside the bleaching box and buffer it to the hose, and after being transmitted through the transmission rod, it is finally sprayed out through the nozzle and acts on the fiber material.

[0010] A further technical solution is that the elastic telescopic cylinder is vertically arranged, and two cross frames are provided on the rear side of the elastic telescopic cylinder, the two cross frames correspond to the upper and lower ends of the cylinder body of the elastic telescopic cylinder, and a guide sleeve is respectively fixed to the upper and lower ends of the rear side of the cylinder body of the elastic telescopic cylinder, and the two guide sleeves are correspondingly slidably connected to the two cross frames.

[0011] A further technical solution is that the telescopic ends of the two elastic telescopic cylinders located at both ends are located at the upper part thereof, and in the initial state, the guide roller corresponds to the level of the material inlet and outlet; the guide roller and the support roller are both rotatably connected to the telescopic ends of the elastic telescopic cylinders through roller shafts.

[0012] A further technical solution is that a telescopic cylinder is fixed to each of the two ends of the bottom of the lifting plate, and the cylinder body of the telescopic cylinder passes through the bottom of the bleaching box and is fixedly installed; the middle strip hole is vertically arranged, and the lower ends of the strip holes on both sides are gradually inclined away from the middle strip hole.

[0013] A further technical solution is that the transmission rod on the elastic telescopic cylinder corresponding to the support roller penetrates the elastic telescopic cylinder, and the transmission rod on the elastic telescopic cylinder corresponding to the support roller is a hollow structure, and the hose is connected to the nozzle through the transmission rod; at least one nozzle corresponding to the fiber material is installed on the left and right sides of the transmission rod on the elastic telescopic cylinder corresponding to the support roller.

[0014] A further technical solution is that the buffer lifting assembly includes a lifting cylinder that passes through and is fixed in the middle of the bottom of the bleaching box, a piston is slidably provided on the inner side of the lifting cylinder, a lifting rod is provided on the upper side of the piston, the lifting rod slides out from the top of the lifting cylinder and is fixedly connected to the bottom of the lifting plate, a cavity is provided at the lower part of the lifting rod, a sleeve is slidably provided in the cavity, an inner tube is slidably provided on the inner side of the sleeve, the lower end of the inner tube slides out from the bottom of the lifting rod and is fixedly connected to the piston, a screw is rotatably connected to the inner side of the inner tube, the lower end of the screw is rotatably extended from the bottom of the piston and is fixed with a knob, an adjustment port is also provided on the side wall of the inner tube, a threaded block is slidably provided in the adjustment port, and the outer end of the threaded block is fixedly connected to the inner wall of the sleeve Fixed connection, the inner end of the threaded block is threadedly connected to the screw rod, and a spring is also sleeved on the lower side of the collar on the inner tube, the spring is used to elastically support the collar, and make the piston elastically abut against the lower end of the lifting rod; the upper part of the lifting cylinder is respectively provided with a lifting outlet pipe and a lifting inlet pipe, the lifting inlet pipe is connected with the inner lower part of the bleaching box, and the end of the hose away from the transmission rod is connected to the lifting outlet pipe, and the lifting outlet pipe and the lifting inlet pipe are respectively provided with a one-way valve 1 and a one-way valve 2, the one-way valve 1 is used to transport the bleaching agent in the inner cavity of the lifting cylinder to the hose through the lifting outlet pipe, and the reverse is cut off; the one-way valve 2 is used for the bleaching agent in the inner lower part of the bleaching box to enter the inner cavity of the bleaching box through the lifting inlet pipe, and the reverse is cut off.

[0015] A further technical solution is that a filter plate protruding upward in the middle is fixed to the lower inner part of the bleaching box, the lifting inlet pipe is connected to the lower space of the filter plate, the filter plate is also sealed and fixedly connected to the cylinder body of the telescopic cylinder, the lifting cylinder and the lifting outlet pipe, and a sewage discharge outlet is also provided on the upper side of the outer ring of the filter plate on the side wall of the bleaching box.

[0016] According to a further technical solution, the lower end of the lifting cylinder is an open structure, and a detachable mesh plate is also detachably provided at the lower end of the lifting cylinder.

[0017] A further technical solution is that the bleaching agent adding component includes a bleaching agent adding tube, a solenoid valve and a bleaching agent box, the bleaching agent box is fixed to the top of the bleaching agent box, the bleaching agent adding tube is installed at the bottom of the bleaching agent box, the solenoid valve is installed on the bleaching agent adding tube, and the other end of the bleaching agent adding tube is connected to the inner cavity of the bleaching agent box; the inner cavity of the bleaching agent box is also installed with a bleaching agent concentration measuring instrument and a bleaching agent liquid level measuring instrument, and the solenoid valve is controlled to open according to the monitoring data of the bleaching agent concentration measuring instrument and the bleaching agent liquid level measuring instrument.

[0018] The intelligent hemp fiber bleaching device provided by the present invention has the following beneficial effects:

[0019] The bleaching agent adding component can be used to add bleaching agent to the bleaching box as needed to ensure that the bleaching agent dosage and concentration inside the bleaching box are appropriate, thereby achieving a better bleaching effect.

[0020] Through the installation structure of the cross frame, elastic telescopic cylinder, guide sleeve, guide roller and support roller, the fiber material can be stably conveyed and ensured to be bleached in an S-shaped conveyance in the bleaching box. In addition, the telescopic structure of the elastic telescopic cylinder can adapt to the change in the force of the fiber material conveying and the change in the impact shape of the fiber material when the bleaching agent is sprayed by the nozzle. The shaking of the fiber material is used to make it fully contact with the bleaching agent, thereby improving the quality and efficiency of bleaching.

[0021] In addition, by utilizing the opening of the lifting plate and the strip holes thereon, and cooperating with the transmission rod, when the telescopic cylinder drives the lifting plate to rise, under the action of the strip holes limiting the transmission rod, multiple elastic telescopic cylinders shrink synchronously toward the middle; when the telescopic cylinder drives the lifting plate to descend, under the action of the strip holes limiting the transmission rod, multiple elastic telescopic cylinders expand synchronously toward both sides, achieving the effect of controlling the position of the guide roller and the support roller, and improving the adaptive telescopic effect of the elastic telescopic cylinder, and improving the effect of the dynamic change of the position of the fiber material. The buffer lifting component is further defined. During the lifting and lowering movement of the lifting plate, the buffer lifting component is used to extract the bleaching agent inside the bleaching box and buffer it to the hose. After being transmitted by the transmission rod, it is finally sprayed out through the nozzle and acts on the fiber material, that is, the bleaching agent sprayed by the nozzle can act on the fiber material with dynamic position changes, significantly improving the bleaching effect and efficiency of the fiber material, and the application is more intelligent and flexible.

[0022] In summary, the hemp fiber intelligent bleaching device significantly improves the bleaching efficiency and quality through the stable and dynamic S-shaped conveying of fiber materials and the intelligent buffer spraying mechanism, achieving an optimized combination of intelligence and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of an intelligent hemp fiber bleaching device provided in an embodiment of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of a partial cross-sectional structure;

[0025] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0026] Figure 4 for Figure 1 A schematic diagram of a partial cross-sectional structure from a rear-view angle;

[0027] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of part B;

[0028] Figure 6A schematic diagram of the main cross-sectional structure of the lifting cylinder part of the hemp fiber intelligent bleaching device provided in an embodiment of the present invention;

[0029] Figure 7 for Figure 6 A partial enlarged structural diagram of the middle lifting rod and piston part.

[0030] In the figure: 1-bottom leg, 2-waste discharge outlet, 3-bleaching box, 4-material inlet and outlet, 5-fibrous material, 6-bleaching agent addition pipe, 7-solenoid valve, 8-bleaching agent box, 9-opening and closing door, 10-telescopic cylinder, 11-lifting cylinder, 12-cross frame, 13-lifting plate, 14-roller, 15-guide roller, 16-elastic telescopic cylinder, 17-strip hole, 18-filter plate, 19-guide sleeve, 20-transmission rod, 21-sprinkler, 22-support roller, 23-hose, 24-lifting outlet, 25-lifting inlet, 26-lifting rod, 27-detachable mesh plate, 28-piston, 29-knob, 30-cavity, 31-screw, 32-adjusting port, 33-collar, 34-threaded block, 35-spring, 36-inner tube. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0033] like Figure 1-Figure 5 As shown, an intelligent hemp fiber bleaching device provided by an embodiment of the present invention includes a bleaching box 3, an opening and closing door 9 is installed on the front side of the bleaching box 3, a bottom leg 1 is fixed to the bottom of the bleaching box 3, and a material inlet and outlet 4 for fiber material 5 to enter and exit is respectively opened on the upper part of the two side walls of the bleaching box 3, and a bleaching agent adding component for adding bleaching agent into the bleaching box 3 is also installed on the top of the bleaching box 3, and also includes:

[0034] A cross frame 12 is fixed on the inner side of the bleaching box 3, and a plurality of elastic telescopic cylinders 16 are evenly distributed on the front side of the cross frame 12, and the telescopic ends of two adjacent elastic telescopic cylinders 16 are staggered, and a guide sleeve 19 is also fixed on the cylinder body of the elastic telescopic cylinder 16, and the guide sleeve 19 is slidably connected to the cross frame 12, and the telescopic ends of the two elastic telescopic cylinders 16 at the two ends are rotatably mounted with guide rollers 15, and the telescopic ends of the remaining elastic telescopic cylinders 16 are rotatably mounted with support rollers 22, and the guide rollers 15 and the support rollers 22 cooperate to input and output the fiber material 5 from the material inlet and outlet 4 on the two side walls of the bleaching box 3, and to enable the fiber material 5 to be transported in an S shape in the bleaching box 3 for bleaching;

[0035] A lifting plate 13 is provided at the rear side of the cross frame 12, a telescopic cylinder 10 is fixed at the bottom of the lifting plate 13, a cylinder body of the telescopic cylinder 10 is fixedly connected to the bottom of the bleaching box 3, a plurality of strip holes 17 are provided on the lifting plate 13, a transmission rod 20 which slides with the strip holes 17 is fixed on the cylinder body of the elastic telescopic cylinder 16, and when the telescopic cylinder 10 drives the lifting plate 13 to rise, under the action of the strip holes 17 limiting the transmission rod 20, the plurality of the elastic telescopic cylinders 16 are synchronously contracted toward the middle; when the telescopic cylinder 10 drives the lifting plate 13 to descend, under the action of the strip holes 17 limiting the transmission rod 20, the plurality of the elastic telescopic cylinders 16 are synchronously expanded toward both sides;

[0036] A buffer lifting assembly is installed at the bottom of the bleaching box 3, and the buffer lifting assembly is connected to the bottom of the lifting plate 13. The buffer lifting assembly is also connected to the transmission rod 20 on the elastic telescopic cylinder 16 corresponding to the support roller 22 through a hose 23, and a nozzle 21 for spraying bleaching agent onto the fiber material 5 is also installed on the transmission rod 20; during the lifting and lowering movement of the lifting plate 13, the buffer lifting assembly is used to extract the bleaching agent inside the bleaching box 3 and buffer it to the hose 23, and after being transmitted through the transmission rod 20, it is finally sprayed out through the nozzle 21 and acts on the fiber material 5.

[0037] In the embodiment of the present invention, the bleaching agent adding component can be used to supplement and add bleaching agent into the bleaching box 3 as needed to ensure that the amount and concentration of bleaching agent in the bleaching box 3 are appropriate, thereby achieving a better bleaching effect.

[0038] By means of the installation structure of the cross frame 12, the elastic telescopic cylinder 16, the guide sleeve 19, the guide roller 15 and the support roller 22, the fiber material 5 can be stably conveyed and ensured to be bleached in an S-shaped conveyance in the bleaching box 3. In addition, the telescopic structure of the elastic telescopic cylinder 16 can adapt to the change in the conveying force of the fiber material 5 and the change in the impact shape of the fiber material 5 sprayed by the nozzle 21, and the shaking of the fiber material 5 can be used to make it fully contact with the bleaching agent, thereby improving the quality and efficiency of bleaching.

[0039] In addition, by utilizing the opening of the lifting plate 13 and the strip holes 17 thereon, and cooperating with the transmission rod 20, when the telescopic cylinder 10 drives the lifting plate 13 to rise, under the action of the strip holes 17 limiting the transmission rod 20, the multiple elastic telescopic cylinders 16 are synchronously contracted toward the middle; when the telescopic cylinder 10 drives the lifting plate 13 to descend, under the action of the strip holes 17 limiting the transmission rod 20, the multiple elastic telescopic cylinders 16 are synchronously expanded toward both sides, achieving the effect of controlling the position of the guide roller 15 and the support roller 22, and improving the adaptive telescopic effect of the elastic telescopic cylinder 16, and improving the dynamic change effect of the position of the fiber material 5. The buffer lifting component is further defined. During the lifting and lowering movement of the lifting plate 13, the buffer lifting component is used to extract the bleaching agent inside the bleaching box 3 and buffer it to the hose 23. After being transmitted by the transmission rod 20, it is finally sprayed out through the nozzle 21 and acts on the fiber material 5, that is, the bleaching agent sprayed by the nozzle 21 can act on the fiber material 5 with dynamic position changes, significantly improving the bleaching effect and efficiency of the fiber material 5, and the application is more intelligent and flexible.

[0040] In summary, the hemp fiber intelligent bleaching device significantly improves the bleaching efficiency and quality through the stable and dynamic S-shaped conveying of the fiber material 5 and the intelligent buffer spraying mechanism, and realizes the optimal combination of intelligence and flexibility.

[0041] like Figure 1-Figure 4 As shown, as a preferred embodiment of the present invention, the elastic telescopic cylinder 16 is vertically arranged, and two cross frames 12 are provided on the rear side of the elastic telescopic cylinder 16, and the two cross frames 12 correspond to the upper and lower ends of the cylinder body of the elastic telescopic cylinder 16, and a guide sleeve 19 is respectively fixed to the upper and lower ends of the rear side of the cylinder body of the elastic telescopic cylinder 16, and the two guide sleeves 19 are correspondingly slidably connected with the two cross frames 12, thereby improving the stability of the horizontal movement of the elastic telescopic cylinder 16.

[0042] The telescopic ends of the two elastic telescopic cylinders 16 located at both ends are located at the upper part thereof, and in the initial state, the guide roller 15 corresponds horizontally to the material inlet and outlet 4, and the telescopic ends of the remaining elastic telescopic cylinders 16 can enable the fiber material 5 to be transported in an S shape without limitation; the guide roller 15 and the support roller 22 are both rotatably connected to the telescopic ends of the elastic telescopic cylinders 16 through the roller shaft 14.

[0043] It should be noted that the length and structure of the guide roller 15 and the support roller 22 can be set according to the type of the fiber material 5. The fiber material 5 can be hemp fiber yarn, hemp fiber rope or hemp fiber cloth, etc., without specific limitation. The elastic telescopic structure of the elastic telescopic cylinder 16 can be arranged conventionally. Note that the elastic telescopic cylinder 16 needs to avoid the transmission rod 20 or not extend to the installation position of the transmission rod 20 to improve the rationality and reliability of the overall operation.

[0044] A telescopic cylinder 10 is fixed to both ends of the bottom of the lifting plate 13. The telescopic cylinder 10 is a hydraulic cylinder or an electric telescopic cylinder. The cylinder body of the telescopic cylinder 10 passes through the bottom of the bleaching box 3 and is fixedly installed to improve the reliability of driving the lifting plate 13 to rise and fall.

[0045] The middle strip hole 17 is vertically arranged, and the lower ends of the strip holes 17 on both sides are gradually inclined away from the middle strip hole 17, so as to realize the synchronous contraction and expansion control of the elastic telescopic cylinder 16. The specific inclination angle can be set independently to achieve the desired contraction and expansion effect.

[0046] The transmission rod 20 on the elastic telescopic cylinder 16 corresponding to the supporting roller 22 penetrates the elastic telescopic cylinder 16, and the transmission rod 20 on the elastic telescopic cylinder 16 corresponding to the supporting roller 22 is a hollow structure, and the hose 23 is connected to the nozzle 21 through the transmission rod 20. Preferably, at least one nozzle 21 corresponding to the fiber material 5 is installed on the left and right sides of the transmission rod 20 on the elastic telescopic cylinder 16 corresponding to the supporting roller 22, so that the fiber material 5 on both sides can be acted on, and the number of the nozzles 21 matches the type of the fiber material 5, and is not limited.

[0047] like Figure 1-Figure 7 As shown, as a preferred embodiment of the present invention, the buffer lifting assembly includes a lifting cylinder 11 that passes through and is fixed in the middle of the bottom of the bleaching box 3, a piston 28 is slidably provided on the inner side of the lifting cylinder 11, a lifting rod 26 is provided on the upper side of the piston 28, the lifting rod 26 slides out from the top of the lifting cylinder 11 and is fixedly connected to the bottom of the lifting plate 13, a cavity 30 is opened at the lower part of the lifting rod 26, a collar 33 is slidably provided in the cavity 30, an inner tube 36 is slidably provided on the inner side of the collar 33, the lower end of the inner tube 36 slides out from the bottom of the lifting rod 26 and is connected to the piston 28 The inner side of the inner tube 36 is rotatably connected with a screw rod 31, and the lower end of the screw rod 31 is rotatably extended from the bottom of the piston 28 and fixed with a knob 29. An adjusting port 32 is also provided on the side wall of the inner tube 36, and a threaded block 34 is slidably provided in the adjusting port 32. The outer end of the threaded block 34 is fixedly connected to the inner wall of the collar 33, and the inner end of the threaded block 34 is threadedly connected to the screw rod 31. A spring 35 is also sleeved on the lower side of the collar 33 on the inner tube 36. The spring 35 is used to elastically support the collar 33 and make the piston 28 elastically abut against the lower end of the lifting rod 26.

[0048] A lifting outlet pipe 24 and a lifting inlet pipe 25 are respectively provided at the upper part of the lifting cylinder 11. The lifting inlet pipe 25 is communicated with the inner lower part of the bleaching box 3. One end of the hose 23 away from the transmission rod 20 is connected to the lifting outlet pipe 24. A one-way valve 1 and a one-way valve 2 (not shown) are respectively provided in the lifting outlet pipe 24 and the lifting inlet pipe 25. The one-way valve 1 is used for conveying the bleaching agent in the inner cavity of the lifting cylinder 11 to the hose 23 through the lifting outlet pipe 24, and is cut off in the reverse direction; the one-way valve 2 is used for the bleaching agent in the inner lower part of the bleaching box 3 to enter the inner cavity of the bleaching box 3 through the lifting inlet pipe 25, and is cut off in the reverse direction.

[0049] Preferably, a filter plate 18 protruding upward in the middle is fixed to the lower inner part of the bleaching box 3, and the lifting inlet pipe 25 is connected to the lower space of the filter plate 18. The filter plate 18 is also sealed and fixedly connected to the cylinder body of the telescopic cylinder 10, the lifting cylinder 11 and the lifting outlet pipe 24 respectively. A sewage discharge port 2 is also provided on the upper side of the outer ring of the filter plate 18 on the side wall of the bleaching box 3. The sewage discharge port 2 is used to clean impurities on the filter plate 18 and replace the bleaching agent inside the bleaching box 3.

[0050] Preferably, the lower end of the lifting cylinder 11 is an open structure, and the lower end of the lifting cylinder 11 can also be detachably provided with a detachable mesh plate 27 to facilitate the lifting and lowering movement of the piston 28 and the adjustment of the knob 29.

[0051] When in use, the lifting rod 26 is lifted and lowered along with the lifting plate 13, so that the lifting inlet pipe 25 is lifted and discharged through the lifting outlet pipe 24 by the lifting of the piston 28, so as to achieve the effect of pumping the bleaching agent to the nozzle 21. When the delivery pressure increases, the piston 28 overcomes the elastic force of the spring 35 and separates from the lower end of the lifting rod 26 (the piston 28, the knob 29, the screw rod 31, the collar 33, the threaded block 34 and the inner tube 36 move as a whole relative to the lifting rod 26), slowing down the speed of pumping the bleaching agent to the lifting outlet pipe 24, so as to achieve the purpose of buffering pressure relief. In addition, by operating the knob 29 to rotate the screw rod 31, the position of the threaded block 34 and the collar 33 is adjusted, and the elastic supporting force of the spring 35 on the piston 28 is changed, so as to adjust the buffering pressure relief, and ensure the effect of pumping the bleaching agent to the nozzle 21.

[0052] like Figure 1 As shown, as a preferred embodiment of the present invention, the opening and closing door 9 can be made of a transparent material for easy observation; by opening the opening and closing door 9, maintenance can be carried out, and the fiber material 5 can be wound around the guide roller 15 and the support roller 22, which is convenient and quick. In addition, the opening position and size of the bleaching box 3 corresponding to the opening and closing door 9 can be arranged as needed, and the opening and closing door 9 is arranged to be sealed and connected to the bleaching box 3 to prevent the bleaching agent from leaking out and improve reliability.

[0053] The bleaching agent adding assembly includes a bleaching agent adding pipe 6, a solenoid valve 7 and a bleaching agent box 8. The bleaching agent box 8 is fixed to the top of the bleaching agent box 3. A replenishing port can be arranged on the top of the bleaching agent box 8. A viewing window can be arranged on the bleaching agent box 8. The bleaching agent adding pipe 6 is installed at the bottom of the bleaching agent box 8. The solenoid valve 7 is installed on the bleaching agent adding pipe 6. The other end of the bleaching agent adding pipe 6 is connected to the inner cavity of the bleaching agent box 3.

[0054] Preferably, the inner cavity of the bleaching box 3 is also equipped with a bleaching agent concentration measuring instrument and a bleaching agent liquid level measuring instrument (not shown), so that the opening of the solenoid valve 7 can be controlled in real time according to the monitoring data of the bleaching agent concentration measuring instrument and the bleaching agent liquid level measuring instrument, which has a high degree of intelligence.

[0055] Preferably, during the bleaching treatment, the type of bleaching agent used needs to take into account the properties of the fiber and the requirements for subsequent use. Generally, the selection of the bleaching agent needs to take into account the principle of bleaching effect and minimizing fiber damage. The bleaching agent in the bleaching box 3 includes but is not limited to hydrogen peroxide, sodium chlorite, sodium hypochlorite, and sulfite bleaching agents. In addition, during the bleaching process, auxiliary agents (such as stabilizers, chelating agents, etc.) that match the bleaching agent need to be arranged to optimize the bleaching effect and protect the fiber from damage, which will not be limited or elaborated.

[0056] It should be noted that, by utilizing the contraction and expansion of the elastic telescopic cylinder 16 and the bleaching agent pumping of the buffer lifting assembly, the bleaching agent can be mixed evenly, thereby ensuring the efficiency of the bleaching quality.

[0057] The above embodiment of the present invention provides an intelligent hemp fiber bleaching device, and its working principle is as follows:

[0058] 1) A horizontal frame 12 is provided inside the bleaching box 3, and a plurality of elastic telescopic cylinders 16 are provided on the horizontal frame 12. The telescopic ends of the elastic telescopic cylinders 16 are arranged alternately, wherein guide rollers 15 are installed at the telescopic ends at both ends, and support rollers 22 are installed at the other telescopic ends. The guide rollers 15 and the support rollers 22 are used in conjunction with each other to transport the fiber material 5 in an S shape in the bleaching box 3, thereby ensuring that the fiber material 5 can fully contact the bleaching agent;

[0059] 2) The lifting plate 13 is driven by the telescopic cylinder 10 at the bottom, which drives the elastic telescopic cylinder 16 to shrink or expand synchronously during the lifting process, thereby adjusting the positions of the guide roller 15 and the support roller 22 to enhance the dynamic change effect of the fiber material 5;

[0060] 3) The buffer lifting assembly is composed of a lifting cylinder 11, a piston 28, a lifting rod 26 and other components. The piston 28 extracts the bleaching agent in the bleaching box 3 as the lifting rod 26 moves up and down, and transports it to the nozzle 21 through the hose 23. The nozzle 21 is installed on the transmission rod 20 to spray the bleaching agent onto the fiber material 5;

[0061] 4) When the pressure of the delivered bleach increases, the piston 28 separates from the lower end of the lifting rod 26, reducing the pumping speed of the bleach and playing a buffering role;

[0062] 5) The bleaching agent adding component is composed of a bleaching agent adding pipe 6, a solenoid valve 7 and a bleaching agent tank 8, and can add bleaching agent to the bleaching agent tank 3 as needed; the bleaching agent concentration measuring instrument and the bleaching agent liquid level measuring instrument are installed in the bleaching agent tank 3, and the opening and closing of the solenoid valve 7 are automatically controlled according to the detection data to realize automatic management;

[0063] 6) The opening and closing door 9 is made of transparent material, which is convenient for observing the operation of the equipment, and is also convenient for equipment maintenance and installation of the fiber material 5.

[0064] Through the above structural design, efficient and uniform treatment of hemp fiber in the bleaching process is achieved, while the intelligence level of the entire bleaching process is improved.

[0065] The PLC controller disclosed in the prior art can be used to control each component. The model and circuit connection of each component are not specifically limited and can be flexibly set in actual application.

[0066] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0067] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An intelligent hemp fiber bleaching device, comprising a bleaching box (3), wherein an opening and closing door (9) is installed on the front side of the bleaching box (3), and material inlets and outlets (4) for fiber materials (5) to enter and exit are respectively opened on the upper part of the two side walls of the bleaching box (3); A bleaching agent adding component for adding bleaching agent into the bleaching agent box (3) is also installed on the top of the bleaching box (3), characterized in that: Also includes: A cross frame (12), wherein the cross frame (12) is fixed on the inner side of the bleaching box (3), and a plurality of elastic telescopic cylinders (16) are evenly distributed on the front side of the cross frame (12), and the telescopic ends of two adjacent elastic telescopic cylinders (16) are arranged in a staggered manner. A guide sleeve (19) is also fixed on the cylinder body of the elastic telescopic cylinder (16), and the guide sleeve (19) is slidably connected to the cross frame (12). The telescopic ends of the two elastic telescopic cylinders (16) located at the two ends are rotatably mounted with guide rollers (15), and the telescopic ends of the remaining elastic telescopic cylinders (16) are rotatably mounted with support rollers (22). The guide rollers (15) and the support rollers (22) cooperate to input and output the fiber material (5) from the material inlet and outlet (4) on the two side walls of the bleaching box (3), and to enable the fiber material (5) to be transported in an S shape in the bleaching box (3) for bleaching; A lifting plate (13), the rear side of the cross frame (12) is provided with a lifting plate (13), a telescopic cylinder (10) is fixed to the bottom of the lifting plate (13), and the cylinder body of the telescopic cylinder (10) is fixedly connected to the bottom of the bleaching box (3); a plurality of strip holes (17) are provided on the lifting plate (13), a transmission rod (20) that slides in cooperation with the strip holes (17) is fixed to the cylinder body of the elastic telescopic cylinder (16), and when the telescopic cylinder (10) drives the lifting plate (13) to rise, under the action of the strip holes (17) limiting the transmission rod (20), the plurality of the elastic telescopic cylinders (16) are synchronously contracted toward the middle; when the telescopic cylinder (10) drives the lifting plate (13) to descend, under the action of the strip holes (17) limiting the transmission rod (20), the plurality of the elastic telescopic cylinders (16) are synchronously expanded toward both sides; A buffer lifting assembly is installed at the bottom of the bleaching box (3), the buffer lifting assembly is connected to the bottom of the lifting plate (13), and the buffer lifting assembly is also connected to the transmission rod (20) on the elastic telescopic cylinder (16) corresponding to the support roller (22) through a hose (23), and a nozzle (21) for spraying bleaching agent onto the fiber material (5) is also installed on the transmission rod (20); during the lifting and lowering movement of the lifting plate (13), the buffer lifting assembly is used to extract the bleaching agent inside the bleaching box (3) and buffer it to the hose (23), and after being transmitted through the transmission rod (20), it is finally sprayed out through the nozzle (21) and acts on the fiber material (5).

2. The intelligent hemp fiber bleaching device according to claim 1, characterized in that: The elastic telescopic cylinder (16) is arranged vertically, and two cross frames (12) are arranged on the rear side of the elastic telescopic cylinder (16), and the two cross frames (12) correspond to the upper and lower ends of the cylinder body of the elastic telescopic cylinder (16); A guide sleeve (19) is fixed to the upper and lower ends of the rear side of the cylinder body of the elastic telescopic cylinder (16), respectively, and the two guide sleeves (19) are slidably connected to the two cross frames (12) respectively.

3. The intelligent bleaching device for hemp fiber according to claim 2, characterized in that: The telescopic ends of the two elastic telescopic cylinders (16) located at the two ends are located at the upper part thereof, and in the initial state, the guide roller (15) corresponds horizontally to the material inlet and outlet (4); The guide roller (15) and the support roller (22) are both rotatably connected to the telescopic end of the elastic telescopic cylinder (16) via a roller shaft (14).

4. The intelligent hemp fiber bleaching device according to claim 1, characterized in that: A telescopic cylinder (10) is fixed to each of the two ends of the bottom of the lifting plate (13), and the cylinder body of the telescopic cylinder (10) passes through the bottom of the bleaching box (3) and is fixedly installed; The middle strip hole (17) is arranged vertically, and the lower ends of the strip holes (17) on both sides are arranged gradually inclined away from the middle strip hole (17).

5. The intelligent bleaching device for hemp fiber according to claim 1, characterized in that: The transmission rod (20) on the elastic telescopic cylinder (16) corresponding to the support roller (22) is arranged to penetrate the elastic telescopic cylinder (16), and the transmission rod (20) on the elastic telescopic cylinder (16) corresponding to the support roller (22) is a hollow structure, and the hose (23) is connected to the spray head (21) through the transmission rod (20); At least one nozzle (21) corresponding to the fiber material (5) is respectively installed on the left and right sides of the transmission rod (20) on the elastic telescopic cylinder (16) corresponding to the support roller (22).

6. The intelligent hemp fiber bleaching device according to any one of claims 1 to 5, characterized in that: The buffer lifting assembly comprises a lifting cylinder (11) which passes through and is fixed in the middle of the bottom of the bleaching box (3); a piston (28) is slidably provided on the inner side of the lifting cylinder (11); a lifting rod (26) is provided on the upper side of the piston (28); the lifting rod (26) slides out from the top of the lifting cylinder (11) and is fixedly connected to the bottom of the lifting plate (13); A cavity (30) is provided at the lower part of the lifting rod (26), a collar (33) is slidably provided in the cavity (30), an inner tube (36) is slidably provided inside the collar (33), and the lower end of the inner tube (36) is slidably extended from the bottom of the lifting rod (26) and is fixedly connected to the piston (28); The inner side of the inner tube (36) is rotatably connected to a screw rod (31), and the lower end of the screw rod (31) is rotatably extended from the bottom of the piston (28) and is fixed with a knob (29); The inner tube (36) is also provided with an adjustment port (32) on the side wall, a threaded block (34) is slidably provided in the adjustment port (32), the outer end of the threaded block (34) is fixedly connected to the inner wall of the collar (33), and the inner end of the threaded block (34) is threadedly connected to the screw rod (31); A spring (35) is sleeved on the inner tube (36) at the lower side of the collar (33), and the spring (35) is used to elastically support the collar (33) and enable the piston (28) to elastically abut against the lower end of the lifting rod (26); The upper part of the lifting cylinder (11) is provided with a lifting outlet pipe (24) and a lifting inlet pipe (25), the lifting inlet pipe (25) is communicated with the inner lower part of the bleaching box (3), and one end of the hose (23) away from the transmission rod (20) is connected to the lifting outlet pipe (24); A one-way valve 1 and a two-way valve are respectively arranged in the lifting outlet pipe (24) and the lifting inlet pipe (25). The one-way valve 1 is used to transport the bleaching agent in the inner cavity of the lifting cylinder (11) to the hose (23) through the lifting outlet pipe (24), and is blocked in the reverse direction; the one-way valve 2 is used to transport the bleaching agent in the lower inner part of the bleaching box (3) into the inner cavity of the bleaching box (3) through the lifting inlet pipe (25), and is blocked in the reverse direction.

7. The intelligent hemp fiber bleaching device according to claim 6, characterized in that: A filter plate (18) protruding upward in the middle is also fixed to the inner lower part of the bleaching box (3); the lifting inlet pipe (25) is connected to the lower space of the filter plate (18); and the filter plate (18) is also sealed and fixedly connected to the cylinder body of the telescopic cylinder (10), the lifting cylinder (11) and the lifting outlet pipe (24); A sewage discharge port (2) is also provided on the upper side of the outer ring of the filter plate (18) on the side wall of the bleaching box (3).

8. The intelligent hemp fiber bleaching device according to claim 6, characterized in that: The lower end of the lifting cylinder (11) is an open structure, and a detachable mesh plate (27) is also detachably provided at the lower end of the lifting cylinder (11).

9. The intelligent hemp fiber bleaching device according to any one of claims 1 to 5, characterized in that: The bleaching agent adding assembly comprises a bleaching agent adding pipe (6), a solenoid valve (7) and a bleaching agent tank (8); The bleaching agent box (8) is fixed to the top of the bleaching agent box (3), a bleaching agent addition pipe (6) is installed at the bottom of the bleaching agent box (8), a solenoid valve (7) is installed on the bleaching agent addition pipe (6), and the other end of the bleaching agent addition pipe (6) is connected to the inner cavity of the bleaching agent box (3); The inner cavity of the bleaching box (3) is also equipped with a bleaching agent concentration measuring instrument and a bleaching agent liquid level measuring instrument, and the electromagnetic valve (7) is controlled to open according to the monitoring data of the bleaching agent concentration measuring instrument and the bleaching agent liquid level measuring instrument.

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