A control method for a whole sheeting device for bamboo fiberization and reorganization unit

Abstract

The application discloses a control method of a whole-plate device for bamboo fiberization recombination units. The control method comprises the following steps: S1, feed conveying control, the control system controls the first rotating source and the second rotating source to operate, so that the first conveying belt operates in a continuous mode, and the second conveying belt operates in a step-by-step mode; S2, alignment control, the two ends of the bamboo fiberization recombination unit are sequentially aligned; S3, pushing control, the adjacent two bamboo fiberization recombination units are overlapped; S4, weaving control, the control system drives the weaving mechanism to operate to perform weaving treatment on the overlapped bamboo fiberization recombination units on the second conveying belt. The recombination units are advanced through the front and rear conveying belts, and the adjacent two recombination units are overlapped at the joint position of the two conveying belts. The process is clear, the mechanical timing is precise, the automatic control is realized, the continuity of the bamboo fiberization recombination unit overlapping process is ensured, and the product quality is ensured.

Description

Technical Field

[0001] This invention relates to the field of bamboo processing, and in particular to a control method for a sheet-forming device for a bamboo fiber recombination unit. Background Technology

[0002] Currently, weaving equipment for bamboo fiber reconstituted units has largely achieved automation. Mechanical structures or control systems drive weaving tools to complete basic weaving actions such as interlacing and laying the reconstituted units, significantly improving production efficiency and capacity compared to hand weaving. However, existing equipment still has the following problems: Firstly, the large gaps between units in the woven reconstituted unit sheet result in a less compact structure, making it prone to loosening during subsequent drying, gluing, and laying processes, affecting the surface quality and density uniformity of the reconstituted material. Secondly, the overlapping connection positions between adjacent units (i.e., the overlapping parts of the bamboo fiber reconstituted units) are completely random, lacking effective control methods, leading to large fluctuations in product quality and making it difficult to achieve stable and uniform product specifications and performance.

[0003] In summary, there is an urgent need to develop a method that can control the overlapping of bamboo fiber recombinant units in order to improve the quality of recombinant materials. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides a control method for a sheet-forming device for bamboo fiber reconstituted units, which solves the problem of large gaps between the woven sheet-forming reconstituted units and the inability to accurately control the overlapping process, thereby improving the quality stability of reconstituted material products.

[0005] The technical solution of the present invention is as follows:

[0006] The whole sheet weaving device includes a frame, a feeding and conveying group, a leveling mechanism, a pushing mechanism, a weaving mechanism, and a control system;

[0007] The material feeding and conveying unit is provided with multiple parallel first conveyor belts on the rear side of the frame and multiple parallel second conveyor belts on the front side of the frame. The first conveyor belts and second conveyor belts are arranged alternately, and the front end of the first conveyor belt is connected to the rear end of the second conveyor belt. The material feeding and conveying unit is provided with a first rotation source for driving the first conveyor belt and a second rotation source for driving the second conveyor belt, which are fixed to the frame.

[0008] There are two alignment mechanisms, which are arranged at intervals on the frame perpendicular to the conveying direction. Each alignment mechanism is installed between two adjacent first conveyor belts, corresponding to the rear end or middle position of the first conveyor belt. Each alignment mechanism is equipped with a first position sensor and a first linear drive fixedly mounted on the frame. The drive end of the first linear drive is connected to a vertical stop bar. Along the conveying direction, the stop bar is located in front of the first position sensor. The first position sensor and the first linear drive are respectively communicatively connected to the control system.

[0009] There are two pushing mechanisms, spaced apart on the frame perpendicular to the conveying direction. Each pushing mechanism has a second linear drive fixedly mounted on the frame. The second linear drive is slidably connected to a third linear drive, which drives the third linear drive to move back and forth. The driving end of the third linear drive is connected to a push rod, which drives the push rod to move up and down. A second position sensor is fixedly mounted on the third linear drive. Along the conveying direction, the push rod is located in front of the second position sensor. The second linear drive, the third linear drive, and the second position sensor are respectively communicatively connected to the control system.

[0010] The weaving mechanism is fixed to the front side of the frame and is positioned corresponding to the second conveyor belt;

[0011] The control methods for the sheet forming device include:

[0012] S1. Material feeding and conveying control:

[0013] The control system controls the operation of the first rotation source and the second rotation source, so that the first conveyor belt runs continuously and the second conveyor belt runs in a stepping manner; the bamboo fiber reconstituted unit placed at the rear end of the first conveyor belt moves forward on the first conveyor belt.

[0014] S2, Alignment Control:

[0015] S21. Initial state setting: The initial position of the top of the stop bar of the two side straightening mechanisms is lower than the upper plane of the first conveyor belt; the control system puts the first position sensor of the two straightening mechanisms into standby state to detect the positioning of the bamboo fiber reconstituted unit.

[0016] S22, First side alignment action: When the first position sensor of one side alignment mechanism detects that the end of the bamboo fiber reconstituted unit has arrived, the control system controls the first linear drive of the corresponding side to run, driving the side stop bar to rise, so as to block the end of the bamboo fiber reconstituted unit from continuing to move forward on the first conveyor belt.

[0017] S23, Second side alignment action: Subsequently, when the first position sensor of the other side alignment mechanism detects that the other end of the bamboo fiber reconstituted unit has arrived, the control system controls the first linear drive member on that side to run, driving the lever to rise to the same position as the first side.

[0018] S24. Alignment mechanism reset: After both sides of the stop bar extend to the preset position and maintain the set dwell time, the control system simultaneously controls the first linear drive of the two alignment mechanisms to run, so that the two stop bars return to the initial position, and the bamboo fiber reconstituted unit continues to move forward on the first conveyor belt.

[0019] S3, Top Push Control:

[0020] S31. Pushing Mechanism Movement and Positioning: Initially, the top of the push rod of the pushing mechanism is lower than the upper plane of the first conveyor belt; when the control system controls the two side stops to retract, it controls the second linear drive to start running, driving the third linear drive to move along the direction of the plate; when the second position sensor detects the rear edge of the bamboo fiber reconstituted unit on the first conveyor belt, the control system controls the second linear drive to stop running, and the second conveyor belt remains stopped; at this time, the front edge of the bamboo fiber reconstituted unit is located on the second conveyor belt;

[0021] S32, Top Rod Lifting and Unit Tilting: At the same time as the second linear drive stops running, the control system controls the third linear drive to drive the top rod to lift; the top rod lifts the rear end side of the unit, causing it to tilt upward away from the surface of the first conveyor belt, creating space for the overlap of the adjacent units behind;

[0022] S33, Top Rod Retraction and Unit Overlap: The bamboo fiber reconstituted unit at the rear continues to be transported forward under the drive of the first conveyor belt; when the second position sensor detects the front edge of the adjacent bamboo fiber reconstituted unit at the rear, the control system controls the third linear drive to drive the top rod to retract to the initial position. At this time, the front end of the adjacent unit at the rear is located below the front unit, forming an overlap state.

[0023] S34, Top rod mechanism reset and unit forward movement: The control system controls the second linear drive to run and drives the third linear drive to return to the initial position; at the same time, the control system controls the second conveyor belt to resume movement and transport the overlapped bamboo fiber reconstituted unit forward.

[0024] S4, Weaving Control:

[0025] The control system drives the weaving mechanism to weave the overlapping bamboo fiber reconstituted units on the second conveyor belt, forming a continuous sheet of reconstituted units.

[0026] According to the aforementioned control method for the sheet-forming device for bamboo fiber recombination unit, the dwell time in S24 is any time between 2 and 5 seconds.

[0027] According to the aforementioned control method for the whole sheet forming device for bamboo fiber reconstitution unit, a pressing belt group is fixedly installed above the front side of the frame; the pressing belt group includes a third rotation source and multiple third conveyor belts arranged in parallel and spaced apart on the frame, the third conveyor belts are located at the front end of the first conveyor belt and above the second conveyor belt; the third rotation source drives the third conveyor belt to move synchronously with the second conveyor belt; the third rotation source is communicatively connected to the control system; a moving space for the bamboo fiber reconstitution unit is formed between the third conveyor belt and the second conveyor belt;

[0028] The control system controls the third rotation source to operate synchronously with the second rotation source. After two adjacent bamboo fiber reconstructed units overlap, the bamboo fiber reconstructed units move along the third and second conveyor belts.

[0029] According to the aforementioned control method for the sheet-forming device for bamboo fiber reconstitution unit, a push plate mechanism is provided at the rear end of the frame corresponding to the material receiving position of the bamboo fiber reconstitution unit, and a side baffle is provided on the side of the frame opposite to the push plate mechanism; the push plate mechanism is provided with a cylinder drive component fixed to the rear end of the frame by a bracket, the drive end of the cylinder drive component is fixedly connected to the push plate, and a third position sensor is fixed to the rear end of the frame by a bracket, and the cylinder drive component and the third position sensor are respectively communicatively connected to the control system.

[0030] When the third position sensor detects the bamboo fiber reconstituted unit, the control system controls the cylinder drive to push the push plate to one end of the bamboo fiber reconstituted unit until the other end of the bamboo fiber reconstituted unit abuts against the side baffle, and the two ends of the adjacent bamboo fiber reconstituted units are aligned in the length direction; the control system controls the cylinder drive to reset the push plate, preparing for the next operation.

[0031] According to the aforementioned control method for the whole sheet reconstitution device for bamboo fiber reconstitution unit, the feeding and conveying group is provided with a first rotating shaft, a second rotating shaft and a fixed shaft arranged in parallel at intervals at the rear end, front end and middle of the frame. The two ends of the first rotating shaft and the second rotating shaft are respectively rotatably connected to the frame, and the two ends of the fixed shaft are fixedly connected to the frame. The two ends of the first conveyor belt are sleeved on the first rotating shaft and the fixed shaft; the two ends of the second conveyor belt are sleeved on the second rotating shaft and the fixed shaft.

[0032] Furthermore, the bottom end of the push rod is connected to the drive end of the third linear drive unit through the mounting base. The mounting base has an elongated hole, the length of which is along the forward direction of the bamboo fiber reconstituted unit. The bottom end of the push rod is a threaded end. The bottom end of the push rod passes through the elongated hole and is fixed to the mounting base by a nut.

[0033] According to the aforementioned control method for the integralization device of bamboo fiber recombination unit, the first position sensor and the second position sensor are photoelectric sensors or proximity sensors.

[0034] According to the aforementioned control method for the sheet-forming device for bamboo fiber recombination unit, the first linear drive and the third linear drive are one of a hydraulic cylinder, a pneumatic cylinder, or an electric linear actuator; the second linear drive is an electric linear actuator.

[0035] According to the aforementioned control method for the sheet-forming device for bamboo fiber recombination unit, the first rotation source and the second rotation source are a combination of an electric motor, an engine, a hydraulic motor, or a speed reducer.

[0036] According to the aforementioned control method for the sheet-forming device used in the bamboo fiber reconstitution unit, the control system includes:

[0037] The storage module is used to store the operation process of the whole sheet forming device;

[0038] The data receiving module is used to receive the detection signals from the first position sensor and the second position sensor;

[0039] The execution module is used to start or stop the first rotation source, the second rotation source, the first linear drive, the second linear drive, and the third linear drive.

[0040] The control method for the whole-sheet device of bamboo fiber reconstitution unit provided by the present invention has at least the following advantages compared with the prior art:

[0041] (1) The present invention achieves the forward movement of the recombination unit through two conveyor belts, and achieves the overlap of two adjacent recombination units at the junction of the two conveyor belts. The process is clearly decomposed, the mechanical timing is coordinated and precise, and the fully automated control is achieved, ensuring the continuity of the bamboo fiber recombination unit overlap process and ensuring the quality of the product.

[0042] (2) The design of the straightening mechanism of the present invention fully considers the structural characteristics of the bamboo fiber recombination unit. Through ingenious mechanical design and control strategy (the control strategy includes sequential detection and delay control), a high-quality straightening effect is achieved, laying a solid foundation for the subsequent top-pushing and overlapping process. Attached Figure Description

[0043] Figure 1 This is a three-dimensional structural diagram of the integral sheet forming device;

[0044] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0045] Figure 3 for Figure 1 A magnified view of a section at point B in the middle;

[0046] Figure 4 This is a top view of the bamboo fiber recombination unit sheet-forming device of Example 1;

[0047] Figure 5 for Figure 4 A magnified view of a section at point C;

[0048] Figure 6 This is a three-dimensional structural diagram of the jacking mechanism;

[0049] Figure 7 A three-dimensional structural diagram of the bamboo fiber recombination unit in the whole sheet processing device;

[0050] Figure 8 This is a side view of the deflector bar in the extended position within the sheet forming device.

[0051] Figure 9 This is a side view of the sheet forming device with the stop bar in the retracted state.

[0052] Figure 10 This is a side view of the entire sheet-forming device in state one;

[0053] Figure 11 This is a side view of the sheet-forming device in state two.

[0054] Figure 12 This is a side view of the entire sheet-forming device in state three.

[0055] Figure 13 This is a side view of the entire sheet-forming device in state four.

[0056] Figure 14 This is the control flow chart for the entire assembly unit;

[0057] Figure 15 This is the control principle diagram of the whole sheet forming device;

[0058] Figure 16 A flowchart for the alignment control of the sheet forming device;

[0059] Figure 17 A flowchart for the jacking control of the sheet-forming device;

[0060] Figure 18 This is a schematic diagram of the control system.

[0061] Explanation of reference numerals in the attached figures:

[0062] 100. Sheet-forming device; 200. Bamboo fiber recombination unit;

[0063] 110. Rack;

[0064] 120. Material feeding and conveying assembly; 121. First conveyor belt; 122. Second conveyor belt; 123. First rotation source; 124. Second rotation source; 125. First rotating shaft; 126. Second rotating shaft; 127. Fixed shaft;

[0065] 130. Alignment mechanism; 131. First position sensor; 132. First linear drive component; 133. Stop lever;

[0066] 140. Pushing mechanism; 141. Second linear drive component; 142. Third linear drive component; 143. Push rod; 144. Second position sensor; 145. Mounting base; 146. Oblong hole; 147. Nut;

[0067] 150. Weaving mechanism;

[0068] 160. Material pressing belt assembly; 161. Third rotation source; 162. Third conveyor belt;

[0069] 170. Push plate mechanism; 171. Cylinder drive component; 172. Push plate; 173. Third position sensor;

[0070] 180. Side panel. Detailed Implementation

[0071] To make the technical problem to be solved, the technical solution and advantages of the present invention clearer, the following description will be provided in conjunction with the accompanying drawings. Figures 1 to 18 The technical solution of the present invention will be clearly and completely described in conjunction with specific embodiments.

[0072] The bamboo fiber reconstructed unit 200 is a bamboo fiber veneer before weaving, which can also be referred to as "reconstructed unit" in the following text; the whole sheet reconstructed unit is a continuous bamboo curtain formed by weaving multiple bamboo fiber veneers.

[0073] This invention provides a sheet-forming device for bamboo fiber reconstructing units. The sheet-forming device is used to form an overlapping connection between two adjacent bamboo fiber reconstructing units and weave them into a continuous sheet-forming reconstructing unit.

[0074] 100 sheets of whole sheet forming device Figures 1 to 5 As shown, the sheet forming device 100 includes a frame 110, a feeding and conveying group 120, a straightening mechanism 130, a pushing mechanism 140, and a weaving mechanism 150.

[0075] The frame 110 supports other components mounted thereon. A feeding conveyor assembly 120 is fixed to the frame 110 and is used to convey the bamboo fiber reconstituted unit 200. The feeding conveyor assembly 120 has multiple parallel first conveyor belts 121 on the rear side of the frame 110 and multiple parallel second conveyor belts 122 on the front side of the frame 110. The first conveyor belts 121 and second conveyor belts 122 are staggered, and the front end of the first conveyor belt 121 connects to the rear end of the second conveyor belt 122. The feeding conveyor assembly 120 has a first rotation source 123 and a second rotation source 124 fixed to the frame 110. The first rotation source 123 drives the first conveyor belt 121 to run continuously, and the second rotation source 124 drives the second conveyor belt 122 to run in a stepping manner. The second conveyor belt 122 is driven by a cam mechanism or pneumatic actuator, typically driven by the second rotation source 124, causing it to cycle through a "stop-forward-stop" motion at a preset step length. Within each conveying cycle, the bamboo fiber reconstituted unit 200 is advanced a fixed distance and then stops, allowing time for the next operation of the weaving mechanism 150. The step length of the second conveyor belt 122 should match the width of the bamboo fiber reconstituted unit 200 and the weaving density of the final integral reconstituted unit. By adjusting the step length, the warp density of the final product can be controlled.

[0076] The first rotation source 123 and the second rotation source 124 can be selected as devices capable of outputting rotation, such as a motor, an engine, a hydraulic motor, or a combination of one of them and a reducer. Preferably, the first rotation source 123 and the second rotation source 124 are a combination of a motor and a reducer, which converts electrical energy into mechanical energy through reasonable matching.

[0077] The alignment mechanism 130 is fixed to the rear side of the frame 110 and is used to align the bamboo fiber reconstructed unit 200 on the first conveyor belt 121 to ensure that two adjacent bamboo fiber reconstructed units 200 form an effective overlap in the subsequent process.

[0078] The bamboo fiber reconstituted unit sheet forming device 100 includes at least two pushing mechanisms 140, which are fixedly spaced on the frame 110 and perpendicular to the conveying direction. Each pushing mechanism 140 is installed between two adjacent first conveyor belts 121 and near the rear end of the second conveyor belt 122. The pushing mechanism 140 acts on the rear end portion of the bamboo fiber reconstituted unit 200 that simultaneously crosses the first conveyor belt 121 and the second conveyor belt 122. In this embodiment of the invention, two pushing mechanisms 140 are used. The specific number of pushing mechanisms 140 can be selected according to the actual situation to ensure that the side end of the bamboo fiber reconstituted unit 200 is lifted.

[0079] The weaving mechanism 150 is fixed to the front side of the frame 110. The weaving mechanism 150 is used to weave the overlapping bamboo fiber reconstituted units 200 located on the second conveyor belt 122 into continuous, integral reconstituted units. The weaving mechanism 150 is prior art and not a key technical point of this invention; therefore, it will not be described in detail in this embodiment. The forward conveying frequency of the second conveyor belt 122 is coordinated with the weaving frequency of the weaving mechanism 150. The second conveyor belt 122 and the weaving mechanism 150 are synchronized in time through a unified controller. When the second conveyor belt 122 completes one conveying cycle (i.e., advances one step), the weaving mechanism 150 completes one round of weaving, forming a closed-loop working mode of alternating "conveyor-weaving".

[0080] The control system is used to control the operation of the first rotation source 123, the second rotation source 124, the straightening mechanism 130, the pushing mechanism 140 and the weaving mechanism 150.

[0081] The bamboo fiber reconstituted unit integral sheet device of this invention uses two conveyor belts to advance the reconstituted units, and overlaps adjacent reconstituted units at the junction of the two conveyor belts. A pushing mechanism lifts the preceding reconstituted unit, and the following adjacent reconstituted unit is conveyed via a feeding conveyor to the area below the lifted reconstituted unit, thus overlapping the two adjacent reconstituted units. The overlapped reconstituted units are then woven into a continuous integral sheet reconstituted unit by a weaving mechanism.

[0082] When the front end of the bamboo fiber reconstituted unit 200 is on the second conveyor belt 122, the second conveyor belt 122 stops moving, and the pushing mechanism 140 lifts the rear end of the bamboo fiber reconstituted unit 200, causing it to tilt upwards away from the surface of the first conveyor belt 121. The adjacent bamboo fiber reconstituted unit 200 continues to move forward under the drive of the first conveyor belt 121, its front end gradually approaching and eventually positioned below the lifted front bamboo fiber reconstituted unit 200, achieving an overlap between the two adjacent bamboo fiber reconstituted units 200. After the overlap is completed, the second conveyor belt 122 resumes movement, conveying the overlapped multi-layer bamboo fiber reconstituted units 200 forward, where the weaving mechanism 150 weaves the overlapped bamboo fiber reconstituted units 200 into a continuous, sheet-like reconstituted unit.

[0083] The sheet-forming device of this invention, through the coordinated operation of two conveyor belts (continuous conveying of the first conveyor belt 121 and intermittent conveying of the second conveyor belt 122) and the precise control of the pushing mechanism 140, enables the bamboo fiber recombination unit 200 to automatically and accurately complete the interlayer overlap, avoiding the deviation of manual stacking, ensuring the neatness and stability of the stack, and improving the consistency of product quality.

[0084] The feeding and conveying assembly 120 is provided with a first rotating shaft 125, a second rotating shaft 126, and a fixed shaft 127 arranged parallel to each other at the rear, front, and middle of the frame 110. The two ends of the first rotating shaft 125 and the second rotating shaft 126 are rotatably connected to the frame 110, and the two ends of the fixed shaft 127 are fixedly connected to the frame 110. The two ends of the first conveyor belt 121 are fitted onto the first rotating shaft 125 and the fixed shaft 127; the two ends of the second conveyor belt 122 are fitted onto the second rotating shaft 126 and the fixed shaft 127. A bearing is provided on the fixed shaft 127. The inner ring of the bearing is fixedly connected to the fixed shaft, and the outer ring of the bearing is rotatably connected to the first conveyor belt 121. One end of the first conveyor belt 121 is fitted onto the bearing. A roller is provided on the first rotating shaft 125, rotating synchronously with the first rotating shaft. The other end of the first conveyor belt 121 is fitted onto the roller. The second conveyor belt 122 also adopts the same connection structure as the first conveyor belt 121, which will not be described further here.

[0085] The two sets of conveyor belts (first conveyor belt 121 and second conveyor belt 122) are staggered and form a compact conveying unit through a common shaft (fixed shaft 127), which improves space utilization and makes the entire material feeding and conveying group 120 occupy a more compact space, making it easier to integrate.

[0086] Two alignment mechanisms 130 are arranged at intervals perpendicular to the conveying direction. Each alignment mechanism 130 is installed between two adjacent first conveyor belts 121, corresponding to the rear end or middle position of the first conveyor belt 121. The symmetrically arranged alignment mechanisms 130 on both sides achieve precise alignment and straightening of the bamboo fiber recombination unit 200. Each alignment mechanism 130 is equipped with a first position sensor 131 and a first linear drive 132 fixedly mounted on the frame 110. The drive end of the first linear drive 132 is connected to a stop bar 133, the extension direction of which is perpendicular to the horizontal plane of the first conveyor belt 121. Along the conveying direction, the stop bar 133 is located in front of the first position sensor 131. The first position sensor 131 and the first linear drive 132 are communicatively connected to the control system. The first position sensor 131 detects the arrival status of the bamboo fiber recombination unit 200 in real time, identifies the position information of both ends of the bamboo fiber recombination unit 200, and provides trigger signals to the control system. The first linear drive 132 drives the stop lever 133 to move up and down, thereby blocking and releasing the bamboo fiber reconstructed unit 200 on the first conveyor belt 121: when the first linear drive 132 drives the stop lever 133 to rise, the stop lever 133 blocks the bamboo fiber reconstructed unit 200 from continuing to move forward on the first conveyor belt 121; when the first linear drive 132 drives the stop lever 133 to fall, the bamboo fiber reconstructed unit 200 continues to move forward on the first conveyor belt 121.

[0087] The first position sensor 131 is a photoelectric sensor or a proximity sensor. The first linear drive 132 is a hydraulic cylinder, a pneumatic cylinder, or an electric linear actuator.

[0088] When the bamboo fiber reconstituted unit 200 on the first conveyor belt 121 has not passed the alignment mechanism 130, the stop bars 133 on both sides are in a lowered state. Due to placement reasons or the uneven size of the large and small ends of the bamboo fiber reconstituted unit 200 itself, both ends of the bamboo fiber reconstituted unit 200 will not be detected by the first position sensor 131 simultaneously. When the large and small ends of the bamboo fiber reconstituted unit 200 pass by in sequence, the first position sensors 131 of the two alignment mechanisms 130 generate two sequential signal changes. Due to the uneven size of the large and small ends, the time difference of the signal change can be used to identify the orientation of the bamboo fiber reconstituted unit 200.

[0089] In this embodiment of the invention, there are two pushing mechanisms 140, but the number of pushing mechanisms 140 can be reasonably selected according to actual conditions. The two pushing mechanisms 140 are respectively positioned at both ends of the length of the bamboo fiber recombination unit 200. A schematic diagram of the pushing mechanism 140 is shown below. Figure 6 As shown, the pushing mechanism 140 includes a second linear drive 141 fixedly mounted on the frame 110. A third linear drive 142 is slidably connected to the second linear drive 141. The second linear drive 141 drives the third linear drive 142 to move back and forth. A push rod 143 is connected to the driving end of the third linear drive 142, and the third linear drive 142 drives the push rod 143 to move up and down. A second position sensor 144 is fixedly mounted on the third linear drive 142. Along the conveying direction, the push rod 143 is located in front of the second position sensor 144. The second position sensor 144 is used to detect the rear edge of the bamboo fiber recombination unit 200 on the first conveyor belt 121 and to detect the front edge of the adjacent bamboo fiber recombination unit 200 in position (located below the forward-curved bamboo fiber recombination unit 200). The second linear drive 141, the third linear drive 142, and the second position sensor 144 are communicatively connected to the control system. The second position sensor 144 is a photoelectric sensor or a proximity sensor. The second linear drive 141 is an electric linear actuator, and the third linear drive 142 is a hydraulic cylinder, a pneumatic cylinder, or an electric linear actuator.

[0090] like Figure 6As shown, the bottom end of the push rod 143 is connected to the drive end of the third linear drive 142 via the mounting base 145. The mounting base 145 has an elongated hole 146, the length of which is along the forward direction of the bamboo fiber recombination unit 200. The bottom end of the push rod 143 is threaded, passing through the elongated hole 146, and is fixed to the mounting base 145 using a nut 147. By providing the elongated hole 146 on the mounting base 145, the push rod 143 can be adjusted in its forward and backward mounting position on the mounting base 145, thereby controlling the overlap distance between adjacent bamboo fiber recombination units 200. Specifically, the closer the push rod 143 on the mounting base 145 is to the second position sensor 144, the smaller the overlap distance; the farther the push rod 143 on the mounting base 145 is from the second position sensor 144, the larger the overlap distance. The pushing height can be adjusted by adjusting the screw position of the nut 147 and the push rod 143. Mounting base 145 has a C-shaped structure. The top plate of mounting base 145 is the part for mounting push rod 143, and the bottom plate of mounting base 145 is the part connected to the drive end of the third linear drive member 142. Push rod 143 passes through the top plate of mounting base 145 through elongated hole 146, and nuts 147 are provided at both the top and bottom of the top plate to fix push rod 143 to the top plate.

[0091] like Figure 14 As shown, the control method of the whole sheet forming device 100 includes four control processes: material feeding and conveying control, alignment control, pushing control, and weaving control. Figure 15 This is a control principle diagram of the sheet-forming device 100. The specific control method of the sheet-forming device 100 is described below:

[0092] S1. Material feeding and conveying control:

[0093] The control system controls the operation of the first rotation source 123 and the second rotation source 124, so that the first conveyor belt 121 runs continuously and the second conveyor belt 122 runs in a stepping manner; the bamboo fiber reconstituted unit 200 placed at the rear end of the first conveyor belt 121 moves forward on the first conveyor belt 121.

[0094] S2, Alignment Control; Figure 16 A flowchart for the alignment control of the sheet-forming device; specifically including the following processes:

[0095] S21. Initial state setting: The top of the stop bar 133 of the two side straightening mechanisms 130 is initially lower than the upper plane of the first conveyor belt 121; the control system puts the first position sensor 131 of the two straightening mechanisms 130 into standby state to detect the positioning of the bamboo fiber reconstituted unit 200.

[0096] S22, First Side Alignment Action: When the first position sensor 131 of one side alignment mechanism 130 detects that the end of the bamboo fiber reconstituted unit 200 has arrived, the control system controls the first linear drive 132 on the corresponding side to operate, driving the side stop bar 133 to rise, thus preventing the end of the bamboo fiber reconstituted unit 200 from continuing to advance on the first conveyor belt 121. Figure 8 As shown.

[0097] S23, Second side alignment action: Subsequently, when the first position sensor 131 of the other side alignment mechanism 130 detects that the other end of the bamboo fiber reconstituted unit 200 has arrived, the control system controls the first linear drive member 132 on that side to run, driving the lever 133 to rise to the same position as the first side.

[0098] S24. Alignment Mechanism 130 Reset: After both side stops 133 extend to the preset position and maintain the set dwell time, the control system simultaneously controls the first linear drive 132 of both alignment mechanisms 130 to operate, causing both stops 133 to return to the initial position. The bamboo fiber reconstituted unit 200 continues to advance on the first conveyor belt 121, as... Figure 9 As shown. The specific dwell time is any time between 2 and 5 seconds, so that the bamboo fiber recombination unit 200 is positioned and stabilized on the first conveyor belt 121.

[0099] If, in one of the two alignment mechanisms 130, the first position sensor 131 of one alignment mechanism 130 detects a signal change, while the first position sensor 131 of the other alignment mechanism 130 does not detect a signal change for an extended period of time, or if the first position sensors 131 of both alignment mechanisms 130 do not detect a signal change for an extended period of time, then a fault has occurred and maintenance is required.

[0100] S3, jacking control; Figure 17 This is a flowchart of the jacking control process for the sheet-forming unit. It specifically includes the following procedures:

[0101] S31. Movement and Positioning of the Pushing Mechanism 140: Initially, the top of the push rod 143 of the pushing mechanism 140 is lower than the upper plane of the first conveyor belt 121; when the control system controls the two side stop rods 133 to retract, it controls the second linear drive 141 to start running, driving the third linear drive 142 to move along the direction of the incoming plate, such as... Figure 10 As shown; when the second position sensor 144 detects the rear edge of the bamboo fiber reconstituted unit 200 on the first conveyor belt 121, the control system controls the second linear drive 141 to stop running, and the second conveyor belt 122 remains stopped; at this time, the front edge of the bamboo fiber reconstituted unit 200 is located on the second conveyor belt 122.

[0102] S32, Top Rod 143 Lifting and Unit Tilting: Simultaneously with the second linear drive 141 stopping, the control system controls the third linear drive 142 to drive the top rod 143 to rise; the top rod 143 lifts the rear end portion of the unit, causing it to tilt upwards away from the surface of the first conveyor belt 121, creating space for the overlap of adjacent units behind it, such as... Figure 11 As shown.

[0103] S33, Top Rod 143 retraction and unit overlap: The bamboo fiber reconstituted unit 200 at the rear continues to be transported forward under the drive of the first conveyor belt 121, as... Figure 12 As shown; when the second position sensor 144 detects the front edge of the adjacent bamboo fiber reconstituted unit 200 behind, the control system controls the third linear drive 142 to drive the top rod 143 back to the initial position. At this time, the front end of the adjacent unit behind is located below the front unit, forming an overlapping state, as shown. Figure 13 As shown. When the second position sensor 144 detects the front edge of the rear bamboo fiber reconstituted unit 200, due to the conveying inertia, the rear bamboo fiber reconstituted unit 200 continues to advance until the front edge of the bamboo fiber reconstituted unit 200 abuts against the outer wall of the top rod 143, and the front end of the adjacent rear bamboo fiber reconstituted unit 200 is located below the front bamboo fiber reconstituted unit 200.

[0104] S34, Top Rod 143 Mechanism Reset and Unit Forward Movement: The control system controls the second linear drive 141 to run, driving the third linear drive 142 back to the initial position; at the same time, the control system controls the second conveyor belt 122 to resume movement, conveying the overlapped bamboo fiber reconstituted unit 200 forward.

[0105] S4, Weaving Control:

[0106] The control system drives the weaving mechanism 150 to weave the overlapping bamboo fiber recombination units 200 on the second conveyor belt 122, forming continuous, integral recombination units. The weaving mechanism 150 is existing technology and not a key technical point of this invention; therefore, it will not be described in detail in this embodiment. The forward conveying frequency of the second conveyor belt 122 is coordinated with the weaving frequency of the weaving mechanism 150, and the second conveyor belt 122 and the weaving mechanism 150 are synchronized through a unified control system. When the second conveyor belt 122 completes one conveying cycle (i.e., advances one step), the weaving mechanism 150 completes one round of weaving, forming a closed-loop working mode of alternating "conveyor-weaving".

[0107] The design of the alignment mechanism 130 in this embodiment of the invention fully considers the structural characteristics of the bamboo fiber recombination unit 200. Through ingenious mechanical design and control strategy (the control strategy includes sequential detection and delay control), a high-quality alignment effect is achieved, laying a solid foundation for the subsequent jacking and overlapping process.

[0108] Because of the second linear drive member 141, the top rod 143 can move forward before lifting to accommodate the large and small ends of the bamboo fiber reconstituted unit 200. For example, the distance that the second linear drive member 141 at the large end of the bamboo fiber reconstituted unit 200 moves towards the board is greater than the distance that the second linear drive member 141 at the small end of the bamboo fiber reconstituted unit 200 moves towards the board, further ensuring the uniformity of the overlap length at both ends of the bamboo fiber reconstituted unit 200.

[0109] The control process of the whole-sheet reconstituted unit is clearly decomposed, and the mechanical timing is precisely coordinated, achieving fully automated control. This ensures the continuity of the bamboo fiber reconstituted unit overlapping process and guarantees product quality. The entire overlapping process eliminates manual operation, significantly reducing the number of operators required, lowering labor costs for enterprises, and improving the working environment and employee safety and health conditions.

[0110] A pressing belt assembly 160 is fixedly installed above the front side of the frame 110 to press the overlapped bamboo fiber recombination units 200 onto the second conveyor belt 122. The pressing belt assembly 160 includes a third rotation source 161 and multiple third conveyor belts 162 arranged side-by-side and spaced apart on the frame 110. The third rotation source 161 is communicatively connected to the control system. The third conveyor belts 162 are located at the front end of the first conveyor belt 121 and above the second conveyor belt 122. A moving space for the bamboo fiber recombination units 200 is formed between the third conveyor belts 162 and the second conveyor belts 122.

[0111] The control system controls the third rotation source 161 to operate synchronously with the second rotation source 124. After two adjacent bamboo fiber recombination units 200 overlap, the bamboo fiber recombination units 200 move in contact with the third conveyor belt 162 and the second conveyor belt 122. The third rotation source 161 can be a device capable of outputting rotation, such as a motor, engine, hydraulic motor, or a combination of one of these with a reducer. Preferably, the third rotation source 161 is a combination of a motor and a reducer.

[0112] The bamboo fiber reconstituted unit 200 is fed into the material receiving position from the first conveyor belt 121. At this time, the ends of the boards may be uneven. To solve the problem of uneven board ends, a pusher mechanism 170 is provided at the rear end of the frame 110 corresponding to the material receiving position of the bamboo fiber reconstituted unit 200. A side baffle 180 is provided on one side of the frame 110 opposite to the pusher mechanism 170. Figure 1 and Figure 3 As shown, the pusher mechanism 170 and the side baffle 180 work together to align the two ends of the bamboo fiber reconstituted unit 200 along its length on the feeding conveyor assembly 120. The pusher mechanism 170 includes a cylinder drive 171, a pusher plate 172, and a third position sensor 173. The cylinder drive 171 is fixed to the rear end of the frame 110 by a bracket, the pusher plate 172 is fixedly connected to the drive end of the cylinder drive 171, and the third position sensor 173 is fixed to the rear end of the frame 110 by a bracket. The cylinder drive 171 and the third position sensor 173 are respectively communicatively connected to the control system.

[0113] When the third position sensor 173 detects the bamboo fiber recombination unit 200, the control system controls the cylinder drive 171 to drive the push plate 172 to push one end of the bamboo fiber recombination unit 200 until the other end of the bamboo fiber recombination unit 200 abuts against the side baffle 180, and the two ends of the adjacent bamboo fiber recombination units 200 in the length direction are aligned; the control system controls the cylinder drive 171 to drive and reset the push plate 172 to prepare for the next operation.

[0114] like Figure 18 As shown, the control system includes a storage module, a data receiving module, and an execution module. The storage module stores the operation flow of the sheet-forming device 100; the data receiving module receives detection signals from the first position sensor 131 and the second position sensor 144; and the execution module starts or stops the first rotation source 123, the second rotation source 124, the first linear drive 132, the second linear drive 141, the third linear drive 142, and the weaving mechanism 150.

[0115] The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature.

[0116] In the description of this invention, it should be understood that the terms "front", "rear", "upper", "lower", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0117] Finally, it should be noted that the above-described embodiments are merely specific implementations of the present invention, used to illustrate the technical solutions of the present invention, and not to limit them. The scope of protection of the present invention is not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments within the scope of the technology disclosed in the present invention, or make equivalent substitutions for some of the technical features; and these modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be covered within the scope of protection of the present invention.

Claims

1. A control method for a sheet-forming device in a bamboo fiber reconstitution unit, characterized in that, The whole sheet weaving device includes a frame, a feeding and conveying group, a leveling mechanism, a pushing mechanism, a weaving mechanism, and a control system; The material feeding and conveying unit is provided with multiple parallel first conveyor belts on the rear side of the frame and multiple parallel second conveyor belts on the front side of the frame. The first conveyor belts and second conveyor belts are arranged alternately, and the front end of the first conveyor belt is connected to the rear end of the second conveyor belt. The material feeding and conveying unit is provided with a first rotation source for driving the first conveyor belt and a second rotation source for driving the second conveyor belt, which are fixed to the frame. There are two alignment mechanisms, which are arranged at intervals on the frame perpendicular to the conveying direction. Each alignment mechanism is installed between two adjacent first conveyor belts, corresponding to the rear end or middle position of the first conveyor belt. Each alignment mechanism is equipped with a first position sensor and a first linear drive fixedly mounted on the frame. The drive end of the first linear drive is connected to a vertical stop bar. Along the conveying direction, the stop bar is located in front of the first position sensor. The first position sensor and the first linear drive are respectively communicatively connected to the control system. There are two pushing mechanisms, spaced apart on the frame perpendicular to the conveying direction. Each pushing mechanism has a second linear drive fixedly mounted on the frame. The second linear drive is slidably connected to a third linear drive, which drives the third linear drive to move back and forth. The driving end of the third linear drive is connected to a push rod, which drives the push rod to move up and down. A second position sensor is fixedly mounted on the third linear drive. Along the conveying direction, the push rod is located in front of the second position sensor. The second linear drive, the third linear drive, and the second position sensor are respectively communicatively connected to the control system. The weaving mechanism is fixed to the front side of the frame and is positioned corresponding to the second conveyor belt; The control methods for the sheet forming device include: S1. Material feeding and conveying control: The control system controls the operation of the first rotation source and the second rotation source, so that the first conveyor belt runs continuously and the second conveyor belt runs in a stepping manner; the bamboo fiber reconstituted unit placed at the rear end of the first conveyor belt moves forward on the first conveyor belt. S2, Alignment Control: S21. Initial state setting: The initial position of the top of the stop bar of the two side straightening mechanisms is lower than the upper plane of the first conveyor belt; the control system puts the first position sensor of the two straightening mechanisms into standby state to detect the positioning of the bamboo fiber reconstituted unit. S22, First side alignment action: When the first position sensor of one side alignment mechanism detects that the end of the bamboo fiber reconstituted unit has arrived, the control system controls the first linear drive of the corresponding side to run, driving the side stop bar to rise, so as to block the end of the bamboo fiber reconstituted unit from continuing to move forward on the first conveyor belt. S23, Second side alignment action: Subsequently, when the first position sensor of the other side alignment mechanism detects that the other end of the bamboo fiber reconstituted unit has arrived, the control system controls the first linear drive member on that side to run, driving the lever to rise to the same position as the first side. S24. Alignment mechanism reset: After both sides of the stop bar extend to the preset position and maintain the set dwell time, the control system simultaneously controls the first linear drive of the two alignment mechanisms to run, so that the two stop bars return to the initial position, and the bamboo fiber reconstituted unit continues to move forward on the first conveyor belt. S3, Top Push Control: S31. Pushing Mechanism Movement and Positioning: Initially, the top of the push rod of the pushing mechanism is lower than the upper plane of the first conveyor belt; when the control system controls the two side stops to retract, it controls the second linear drive to start running, driving the third linear drive to move along the direction of the plate; when the second position sensor detects the rear edge of the bamboo fiber reconstituted unit on the first conveyor belt, the control system controls the second linear drive to stop running, and the second conveyor belt remains stopped; at this time, the front edge of the bamboo fiber reconstituted unit is located on the second conveyor belt; S32, Top Rod Lifting and Unit Tilting: At the same time as the second linear drive stops running, the control system controls the third linear drive to drive the top rod to lift; the top rod lifts the rear end side of the unit, causing it to tilt upward away from the surface of the first conveyor belt, creating space for the overlap of the adjacent units behind; S33, Top Rod Retraction and Unit Overlap: The bamboo fiber reconstituted unit at the rear continues to be transported forward under the drive of the first conveyor belt; when the second position sensor detects the front edge of the adjacent bamboo fiber reconstituted unit at the rear, the control system controls the third linear drive to drive the top rod to retract to the initial position. At this time, the front end of the adjacent unit at the rear is located below the front unit, forming an overlap state. S34, Top rod mechanism reset and unit forward movement: The control system controls the second linear drive to run and drives the third linear drive to return to the initial position; at the same time, the control system controls the second conveyor belt to resume movement and transport the overlapped bamboo fiber reconstituted unit forward. S4, Weaving Control: The control system drives the weaving mechanism to weave the overlapping bamboo fiber reconstituted units on the second conveyor belt, forming a continuous sheet of reconstituted units.

2. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, The dwell time in S24 is any time between 2 and 5 seconds.

3. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, A pressing belt assembly is fixedly installed on the upper front side of the frame; the pressing belt assembly includes a third rotation source and multiple third conveyor belts arranged in parallel and spaced apart on the frame, the third conveyor belts are on the front end side of the first conveyor belt and above the second conveyor belt; the third rotation source drives the third conveyor belt to move synchronously with the second conveyor belt; the third rotation source is communicatively connected to the control system; a moving space for the bamboo fiber reconstitution unit is formed between the third conveyor belt and the second conveyor belt; The control system controls the third rotation source to operate synchronously with the second rotation source. After two adjacent bamboo fiber reconstructed units overlap, the bamboo fiber reconstructed units move along the third and second conveyor belts.

4. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, A push plate mechanism is provided at the rear end of the frame corresponding to the material receiving position of the bamboo fiber reconstituted unit, and a side baffle is provided on the side of the frame opposite to the push plate mechanism. The push plate mechanism is equipped with a cylinder drive component fixed to the rear end of the frame by a bracket. The drive end of the cylinder drive component is fixedly connected to the push plate. A third position sensor is fixed to the rear end of the frame by a bracket. The cylinder drive component and the third position sensor are respectively connected to the control system. When the third position sensor detects the bamboo fiber reconstituted unit, the control system controls the cylinder drive to push the push plate to one end of the bamboo fiber reconstituted unit until the other end of the bamboo fiber reconstituted unit abuts against the side baffle, and the two ends of the adjacent bamboo fiber reconstituted units are aligned in the length direction; the control system controls the cylinder drive to reset the push plate, preparing for the next operation.

5. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, The feeding and conveying group is provided with a first rotating shaft, a second rotating shaft, and a fixed shaft that are parallel and spaced apart at the rear end, front end, and middle of the frame. The two ends of the first rotating shaft and the second rotating shaft are rotatably connected to the frame, and the two ends of the fixed shaft are fixedly connected to the frame. The two ends of the first conveyor belt are sleeved on the first rotating shaft and the fixed shaft. The two ends of the second conveyor belt are sleeved on the second rotating shaft and the fixed shaft.

6. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 5, characterized in that, The bottom end of the push rod is connected to the drive end of the third linear drive unit through the mounting base. The mounting base has an elongated hole, the length of which is along the forward direction of the bamboo fiber reconstituted unit. The bottom end of the push rod is threaded. The bottom end of the push rod passes through the elongated hole and is fixed to the mounting base by a nut.

7. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, The first and second position sensors are photoelectric sensors or proximity sensors.

8. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, The first linear drive and the third linear drive are one of a hydraulic cylinder, a pneumatic cylinder, or an electric linear actuator. The second linear drive component is an electric linear actuator.

9. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, The first and second rotation sources are electric motors, engines, hydraulic motors, or a combination of one of them and a speed reducer.

10. The control method for the sheet-forming device for bamboo fiber reconstitution unit according to claim 1, characterized in that, The control system is equipped with: The storage module is used to store the operation process of the whole sheet forming device; The data receiving module is used to receive the detection signals from the first position sensor and the second position sensor; The execution module is used to start or stop the first rotation source, the second rotation source, the first linear drive, the second linear drive, the third linear drive, and the weaving mechanism.

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