A core sorting and recycling system for waste wooden composite panels

Abstract

The present invention discloses a core sorting and recycling system for waste wooden composite boards, and belongs to the field of composite board core recycling. The present invention comprises a receiving device and a core separation device, wherein the receiving device comprises a bearing platform, a debris collection groove is provided on the upper surface of the bearing platform, and a lifting and lowering pressing plate is provided on the bearing platform for pressing the board; the core separation device is arranged on the pressing plate, and comprises a movable platform, and a cutting rod is provided under the movable platform, and the cutting rod is connected to a rotary power, and the rotary power drives the cutting rod to rotate and cut. The present invention can effectively simplify the operation difficulty, improve the recycling efficiency, and thus reduce the recycling cost.

Description

Technical Field

[0001] The invention relates to the technical field of composite board inner core recovery, and more specifically to an inner core sorting and recovery system for waste wooden composite boards. Background Art

[0002] Composite board refers to a board made of two or more materials. Solid wood composite board is generally a multi-layer solid wood composite board. The composite board is divided into multiple wood layers, and the wood in the multiple wood layers is different. The surface layer is mostly the wood of the name of the wood sold, and the bottom is mostly made of other high-hardness wood. At present, the industry has a large demand for wood, and some wood can be recycled to achieve resource reuse.

[0003] In the prior art, when discarded wooden composite boards are recycled, the entire template is generally crushed and then the usable parts are sorted out. This method requires the entire composite board to be split and then screened a second time before the required parts can be obtained. The whole process is time-consuming and labor-intensive, and requires more equipment to cooperate with the operation, which will directly lead to an increase in recycling costs. In addition, since other high-hardness wood is used underneath some composite boards, it is relatively difficult to split such composite boards, which will further reduce the recycling efficiency and lead to another increase in costs.

[0004] After searching, the application with publication number CN110843034A discloses a fiberboard composite board waste wood recycling device, including an auxiliary foam collecting mechanism, a first monitor, a control screen, a control panel, a split linkage mechanism and a wood processing mechanism; the auxiliary foam collecting mechanism is provided with a first monitor at the upper left; the auxiliary foam collecting mechanism is provided with a control screen at the front right middle part. The device realizes the identification, detection and recycling of waste wood, but there is also the problem of low recycling efficiency, and there is room for further improvement. Summary of the invention

[0005] 1. Technical problem to be solved by the invention

[0006] The purpose of the present invention is to provide a core sorting and recycling system for waste wooden composite boards, which can effectively simplify the operation difficulty, improve the recycling efficiency, and thus reduce the recycling cost, in order to solve the problem that the current composite board disassembly process is cumbersome and the recycling efficiency is low.

[0007] 2. Technical solution

[0008] In order to achieve the above object, the technical solution provided by the present invention is:

[0009] The invention discloses an inner core sorting and recycling system for waste wooden composite boards, comprising a receiving device and an inner core separation device. The receiving device comprises a bearing platform, the upper surface of which is provided with a debris collecting groove, and the bearing platform is also provided with a liftable pressing plate for pressing the board; the inner core separation device is arranged on the pressing plate, comprising a movable platform, a cutting rod is provided under the movable platform, the cutting rod is connected to a rotary power, and the rotary power drives the cutting rod to rotate and cut.

[0010] Furthermore, a containing frame is fixedly connected to the side of the movable platform, and the rotational power includes a second drive motor installed inside the containing frame. The output end of the second drive motor is connected to the first gear, and a second gear is correspondingly installed on the movable platform. A transmission belt is sleeved between the first gear and the second gear, a docking pipe is installed inside the second gear, and a cutting rod is installed at the bottom of the docking pipe. The second drive motor drives the cutting rod to rotate.

[0011] Furthermore, a transfer slider is installed on the movable platform, and the two ends of the transfer slider are slidably matched with corresponding support rods and limit rods extending downward, and the intersection of the transfer slider, the support rod and the limit rod is fixed with a partition block extending downward to a certain height, and the bottom ends of the support rod and the limit rod are connected with a fixed platform; the outer wall of the limit rod is sleeved with a reset spring; and the bottom of the fixed platform is also provided with a positioning rod for connecting with the pressure plate.

[0012] Furthermore, a control handle is provided on one side of the movable platform, and the middle section of the control handle is rotatably installed on the side of the movable platform. One end of the control handle is rotatably connected to one end of a transmission rod, and the other end of the transmission rod is rotatably connected to the fixed platform. The movable platform is driven to rise and fall by pressing the control handle.

[0013] Furthermore, fixed brackets are respectively provided on both sides of the carrying platform, and a transfer platform is respectively installed on the top of the fixed bracket on each side. The two groups of transfer platforms are relatively distributed and a first drive motor is provided on the transfer platform. The relatively close inner sides of the two groups of transfer platforms are respectively rotatably installed with external rotating wheels, and the first drive motor is used to drive the external rotating wheels to rotate; the two ends of the external rotating wheels are respectively rotatably connected with double-headed rotating rods, and the other ends of the double-headed rotating rods on both sides are rotatably connected with transfer blocks, the transfer blocks are connected to the downward pressure platform, and a synchronous platform is installed below the downward pressure platform, and a pressure plate is arranged below the synchronous platform, and the first drive motor ultimately controls the synchronous platform to descend together with the pressure plate.

[0014] Furthermore, sliding grooves are respectively provided on both sides of the top surface of the synchronization platform, and the bottom of the pressing platform is correspondingly embedded in the sliding grooves and is slidably connected with the synchronization platform.

[0015] Furthermore, a positioning platform is fixedly connected to the bottom of the synchronization platform, a third drive motor is installed at the bottom of the positioning platform, and an installation pipe is connected to the drive rod of the third drive motor; the other end of the installation pipe is movably connected to a center rod, and a pressure plate is fixedly connected to the bottom of the center rod, and the third drive motor is used to drive the pressure plate to rotate.

[0016] Furthermore, a limit block is fixedly installed at the junction of the pressure plate and the center rod, a limit ring is installed on the top of the limit block, and the pressure plate is threadedly connected to the positioning rod at the bottom of the inner core separation device through the set limit ring.

[0017] Furthermore, extended straps are fixedly installed on both sides of the limiting ring, and the extended straps are fastened to the pressure plate by fixing bolts; an opening is provided on one side of the limiting ring, and the two side walls of the opening are locked by locking bolts.

[0018] Furthermore, the fixed bracket is connected to the side of the supporting platform by a sliding fit, and each fixed bracket is also connected to an extension bracket by a sliding fit. The extension brackets on both sides extend inwardly toward each other, and a circle of annular groove is provided on the edge of the top surface of the pressure plate along the circumferential direction. A sliding block that cooperates with the annular groove is provided at the bottom of the extension bracket, so that the pressure plate can rotate under the extension bracket.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0021] (1) The inner core sorting and recycling system of the present invention uses a receiving device to hold the waste wooden composite board and uses an inner core separation device to fix the board. When the second driving motor drives the cutting rod to rotate through the transmission belt and the second gear, the inner core separation device can complete the cutting of the waste wooden composite board. Moreover, the fixed bracket in the receiving device can move on the bearing platform, so that the central part of the waste wooden composite board can be directly cut separately, so that there is no need to process other parts of the waste wooden composite board, and only the relatively complete inner core in the central part is taken out. This method can greatly improve the recycling efficiency. Moreover, since the inner core is located in the central area of ​​the entire waste wooden composite board, the degree of damage is lower and the surface is more complete. It can be directly judged whether the inner core can be reused. No secondary screening is required, which can save the recycling cost and further improve the overall efficiency.

[0022] (2) In the inner core sorting and recycling system of the present invention, the inner core separation device is connected to the pressure plate through a fixed platform and a positioning rod, and the pressure plate is connected to the center rod, which can ensure the pressure on the waste wooden composite board during the sorting process, and the fixed platform and the movable platform are connected together through a limit rod and a support rod, which can ensure the stability of the movable platform when moving. During use, the movable platform can be directly driven to move downward by pressing the control handle, so that the cutting rod can cut the waste wooden composite boards of different thicknesses, thereby expanding the scope of application of this device.

[0023] (3) In the inner core sorting and recycling system of the present invention, the top of the receiving device is driven by a separate first driving motor to rotate the double-headed rotating rod, and the rotation of the double-headed rotating rod will pull the slider to move along the direction of the slide slot, and push the synchronous platform downward through the downward pressure platform, so that the pressure plate can be stably connected to the waste wooden composite board, and the third driving motor can directly drive the central rod to rotate, so that the waste wooden composite board inner core separation device can rotate, so that the processing range can be arbitrarily controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the sorting and recycling system of the present invention;

[0025] Figure 2 It is a schematic diagram of the bottom structure of the receiving device in the present invention;

[0026] Figure 3 It is a schematic diagram of the top structure of the receiving device in the present invention;

[0027] Figure 4 For the present invention Figure 3 The structural diagram of part A in the figure;

[0028] Figure 5 It is a schematic diagram of the external structure of the inner core separation device in the present invention;

[0029] Figure 6 It is a schematic diagram of the internal structure of the inner core separation device in the present invention;

[0030] Figure 7 It is a schematic diagram of the connection structure between the inner core separation device and the receiving device in the present invention.

[0031] In the figure:

[0032] 1. Receiving device; 2. Inner core separation device;

[0033] 11. Carrying platform; 12. Debris collecting trough; 13. Fixed bracket; 14. Extended bracket; 15. Limiting groove; 16. Transfer platform; 17. First drive motor; 18. External rotating wheel; 19. Double-headed rotating rod; 110. Pressing platform; 111. Transfer block; 112. Synchronous platform; 113. Slide; 114. Positioning platform; 115. Third drive motor; 116. Installation pipeline; 117. Center rod; 118. Pressing plate; 119. Limiting block; 120. Limiting ring; 121. Extended strap; 122. Fixing bolt; 123. Locking bolt;

[0034] 21. Movable platform; 22. Control handle; 23. Container frame; 24. Second drive motor; 25. First gear; 26. Second gear; 27. Transmission belt; 28. Docking pipe; 29. ​​Cutting rod; 210. Transmission rod; 211. Bearing; 212. Transfer slider; 213. Support rod; 214. Limit rod; 215. Separator; 216. Return spring; 217. Fixed platform; 218. Positioning rod. DETAILED DESCRIPTION

[0035] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] The present invention will be further described below in conjunction with the embodiments.

[0038] Example 1

[0039] Combination Figure 1-Figure 7As shown, a core sorting and recycling system for waste wooden composite panels of this embodiment includes a receiving device 1 and a core separation device 2, wherein the receiving device 1 includes a carrying platform 11, a debris collection groove 12 is provided on the upper surface of the carrying platform 11, and a liftable pressing plate 118 is also provided on the carrying platform 11 for pressing the board; the pressing plate 118 can be connected to a lifting power to drive the lifting of the pressing plate 118 to achieve the pressing of the board; the core separation device 2 is arranged on the pressing plate 118, including a movable platform 21, a cutting rod 29 is provided below the movable platform 21, and the cutting rod 29 is connected to the rotary power, and the rotary power drives the cutting rod 29 to rotate and cut. The specific rotary power and lifting power can adopt various common power structures in the industry, including a rotary motor, a lifting telescopic rod, etc., which will not be repeated here.

[0040] A more specific design is to combine Figure 1 , Figure 5 , Figure 6 and Figure 7 As shown, in this embodiment, the movable platform 21 is fixedly connected to the side of the containing frame 23, and the rotational power includes a second drive motor 24 installed inside the containing frame 23. The output end of the second drive motor 24 is connected to the first gear 25. A second gear 26 is correspondingly installed on the top of the movable platform 21. A transmission belt 27 is sleeved between the first gear 25 and the second gear 26. A docking pipe 28 is installed inside the second gear 26. The docking pipe 28 rotates to cooperate and passes through the movable platform 21 to extend downward. The cutting rod 29 is installed at the bottom of the docking pipe 28, and the second drive motor 24 drives the cutting rod 29 to rotate. A transfer slider 212 is also installed on the movable platform 21, and corresponding support rods 213 and limit rods 214 extending downward are slidably installed at both ends of the transfer slider 212, and partition blocks 215 extending downward to a certain height are fixedly installed at the intersection of the transfer slider 212, the support rod 213 and the limit rod 214. More specifically, the transfer slider 212 can be set on the movable platform 21, and the support rod 213 and the limit rod 214 correspondingly slide and cooperate to extend downward through the movable platform 21, the partition blocks 215 are distributed below the movable platform 21, and a fixed platform 217 is fixedly connected between the bottom ends of the support rod 213 and the limit rod 214; a return spring 216 is sleeved on the outer wall of the limit rod 214; a positioning rod 218 is also provided at the bottom of the fixed platform 217 for cooperating with the pressure plate 118.

[0041] In this embodiment, a control handle 22 is provided on one side of the movable platform 21. The middle section of the control handle 22 is rotatably mounted on the side of the movable platform 21. One end of the control handle 22 is rotatably connected to one end of a transmission rod 210. The other end of the transmission rod 210 is rotatably connected to a fixed platform 217. A bearing 211 is fixedly mounted at the junction of the fixed platform 217 and the transmission rod 210. The movable platform 21 is driven to rise and fall by pressing the control handle 22.

[0042] In this embodiment, the movable platform 21 is installed on the support rod 213 and the limit rod 214 of the fixed platform 217, and is separated by the reset spring 216 to determine the initial height of the cutting rod 29. The overall height can be adjusted according to the thickness of the composite board during use. When in use, the waste wooden composite board is first placed on the receiving device 1, and then the inner core separation device 2 is installed on the pressing plate 118 of the receiving device 1 through the fixed platform 217 and the positioning rod 218 at the bottom. The receiving device 1 is used to adjust the overall height of the inner core separation device 2. When processing the waste wooden composite board, the second drive motor 24 drives the transmission belt 27 through the first gear 25, and the transmission belt 27 directly drives the second gear 26 to rotate. Since the second gear 26 is connected to the cutting rod 29 through the docking pipe 28, the second drive motor 24 can The cutting rod 29 is directly driven to rotate at high speed, so as to achieve the purpose of separating the inner core of the waste wooden composite board and the whole waste wooden composite board. The second driving motor 24 is installed in the containing frame 23 on the side of the movable platform 21, and can be kept at the same height as the movable platform 21. If the thickness of the waste wooden composite board is thicker, the control handle 22 can be pressed down to drive the movable platform 21 to move downward. In this process, the other end of the transmission rod 210 will rotate around the bearing 211 on the fixed platform 217 to provide space for the downward movement of the movable platform 21. The maximum moving range is limited by the partition block 215 to prevent the reset spring 216 from being crushed. When the movable platform 21 moves downward, the cutting rod 29 will be pushed to the depth of the waste wooden composite board, so that waste wooden composite boards of different thicknesses can be processed.

[0043] Example 2

[0044] The present embodiment is a waste wood composite board inner core sorting and recycling system, based on the structure of the first embodiment, further designed as follows: Figure 1 , Figure 2 and Figure 3As shown, the receiving device 1 includes a carrying platform 11, and fixed brackets 13 are respectively provided on both sides of the carrying platform 11, and the fixed brackets 13 are slidably connected to the side of the carrying platform 11, and each fixed bracket 13 is also slidably connected to an extension bracket 14, and a limited groove 15 is provided at the intersection of the fixed bracket 13 and the extension bracket 14, and the bottom of the extension bracket 14 is connected to the pressing plate 118; the extension brackets 14 on both sides extend inwardly close to each other, and a transfer platform 16 is respectively installed on the top of each side of the fixed bracket 13, and the two groups of transfer platforms 16 are relatively distributed and a first driving The first drive motor 17 is used to drive the external rotating wheel 18 to rotate; the two ends of the external rotating wheel 18 are respectively rotatably connected with the double-headed rotating rod 19, and the other ends of the double-headed rotating rod 19 on both sides are rotatably connected with the adapter block 111, one side of the adapter block 111 is fixedly connected to the pressing platform 110, and a synchronous platform 112 is installed below the pressing platform 110, and a pressure plate 118 is arranged below the synchronous platform 112. The first drive motor 17 finally controls the synchronous platform 112 to descend together with the pressure plate 118.

[0045] In this embodiment, the carrying platform 11 is used to receive the waste wooden composite board, and the debris collection groove 12 is used to collect the waste generated by the cutting rod 29 cutting the waste wooden composite board. The fixed bracket 13 can move along the direction of the carrying platform 11, so as to determine in advance the processing position of the inner core separation device 2 on the waste wooden composite board. The extension bracket 14 on the fixed bracket 13 is connected with the pressing plate 118 to ensure the structural stability of the pressing plate 118, and the extension bracket 14 can move along the direction of the limiting groove 15, so as to provide sufficient activity space for the pressing plate 118 to accommodate the waste wooden composite board. After the waste wooden composite board is placed, the first drive motor 17 is started, and the first drive motor 17 drives the external rotating wheel 18 to rotate, thereby driving the double-headed rotating rod 19 to rotate. During the rotation of the double-headed rotating rod 19, the lower pressing platform 110 will be driven to move through the adapter block 111, thereby realizing the pressing process of the board, and then the cutting rod 29 is started for subsequent operations.

[0046] Example 3

[0047] The present embodiment is a waste wood composite board inner core sorting and recycling system, based on the structure of the above embodiment, further designed as follows: Figure 1 , Figure 3 , Figure 4 and Figure 7As shown, the bottom of the pressing platform 110 is slidably connected to the synchronous platform 112, and the top surface of the synchronous platform 112 is provided with a slide groove 113 on both sides, and the bottom of the pressing platform 110 is correspondingly embedded in the slide groove 113 and is slidably connected with the synchronous platform 112. The bottom of the synchronous platform 112 is fixedly connected to the positioning platform 114, and the bottom of the positioning platform 114 is movably installed with a third drive motor 115, and the drive rod of the third drive motor 115 is installed with a mounting pipe 116; the other end of the mounting pipe 116 is movably connected to the center rod 117, and the bottom of the center rod 117 is fixedly connected to a pressing plate 118, and the third drive motor 115 is used to drive the pressing plate 118 to rotate. Correspondingly, the top surface edge of the pressing plate 118 is provided with a circle of annular grooves along the circumferential direction, and the bottom of the extension bracket 14 is provided with a slider matching the annular groove, so that the pressing plate 118 can be rotated under the extension bracket 14.

[0048] More specifically, a limit block 119 is fixedly installed at the intersection of the pressure plate 118 and the center rod 117, and a diamond-shaped limit block can be used; a limit ring 120 is installed on the top of the limit block 119, and the pressure plate 118 is threadedly connected with the positioning rod 218 at the bottom of the inner core separation device 2 through the set limit ring 120, that is, the inner wall of the limit ring 120 and the outer wall of the positioning rod 218 are respectively provided with matching threads to achieve the threaded connection between the two. Extended straps 121 are fixedly installed on both sides of the limit ring 120, and the extended straps 121 are fastened to the pressure plate 118 by fixing bolts 122; an opening is provided on one side of the limit ring 120, and the two side walls of the opening are locked by locking bolts 123.

[0049] In this embodiment, the pressing platform 110 is movably installed in the slide groove 113 on the synchronous platform 112, so the pressing platform 110 will move downward and move along the direction of the slide groove 113 under the push of the double-headed rotating rod 19, so that the synchronous platform 112 also moves downward. Since the third driving motor 115 is connected to the synchronous platform 112 through the positioning platform 114, the synchronous platform 112 can directly push the center rod 117 to move downward, so that the pressing plate 118 is pressed onto the waste wooden composite board to complete the fixation of the waste wooden composite board. , and the pressure plate 118 is connected to the positioning rod 218 at the bottom of the fixed platform 217 through the limiting ring 120 on the top limiting block 119, wherein the specific size of the limiting ring 120 can be adjusted by the locking bolt 123, and the fixing bolts 122 on the extending plates 121 on both sides of the limiting block 119 can improve the connection tightness between the pressure plate 118. When in use, the pressure plate 118 itself can be rotated by the third driving motor 115 to drive the installation pipe 116 to rotate, thereby achieving the purpose of driving the inner core separation device 2 to move.

[0050] When this embodiment is actually applied: the carrying platform 11 is used to receive the waste wooden composite board. When in use, the waste wooden composite board is first placed on the receiving device 1, and then the fixed bracket 13 is pushed to move along the length direction of the carrying platform 11, so as to determine in advance the processing position of the inner core separation device 2 for the waste wooden composite board. The extension bracket 14 on the fixed bracket 13 is connected with the pressing plate 118 to ensure the structural stability of the pressing plate 118. After the waste wooden composite board is placed, the first driving motor 17 is started, and the first driving motor 17 drives the external rotating wheel 18 to rotate, thereby driving the double-headed rotating rod 19 to rotate. During the rotation of the double-headed rotating rod 19, the lower pressing platform 110 will be driven to move through the adapter block 111. The lower pressing platform 110 will move downward and move along the direction of the slide groove 113 under the push of the double-headed rotating rod 19, so that the synchronous platform 112 directly pushes the center rod 117 to move downward, pressing the pressing plate 118 to The waste wooden composite board is fixed on the waste wooden composite board, and then the second driving motor 24 is started. The second driving motor 24 drives the transmission belt 27 through the first gear 25. The transmission belt 27 directly drives the second gear 26 to rotate, so that the cutting rod 29 rotates at a high speed, thereby achieving the purpose of separating the inner core of the waste wooden composite board and the whole waste wooden composite board. If the thickness of the waste wooden composite board is thicker, the control handle 22 can be pressed down at this time to drive the movable platform 21 to move downward. In this process, the other end of the transmission rod 210 will rotate around the bearing 211 on the fixed platform 217 to provide space for the downward movement of the movable platform 21. The maximum moving range is limited by the partition block 215 to prevent the reset spring 216 from being crushed. When the movable platform 21 moves downward, the cutting rod 29 will be pushed to the depth of the waste wooden composite board, so that waste wooden composite boards of different thicknesses can be processed.

[0051] The above is a schematic description of the present invention and its implementation mode, which is not restrictive and is only one of the implementation modes of the present invention, and is not actually limited thereto. Therefore, if a person skilled in the art is inspired by it and, without departing from the purpose of the invention, designs a structure and an implementation mode similar to the technical solution without creativity, they shall all fall within the protection scope of the present invention.

Claims

1. A system for sorting and recycling the inner core of waste wooden composite panels, characterized by: The invention comprises a receiving device (1) and an inner core separation device (2), wherein the receiving device (1) comprises a carrying platform (11), the upper surface of the carrying platform (11) is provided with a debris collection groove (12), and fixed brackets (13) are respectively provided on both sides of the carrying platform (11), and the fixed brackets (13) are connected to the side of the carrying platform (11) in a sliding manner; the carrying platform (11) is also provided with a liftable pressing plate (118) for pressing the plate; the inner core separation device (2) is arranged on the pressing plate (118), and comprises a movable platform (21), and a cutting rod (29) is provided below the movable platform (21). The cutting rod (29) is connected to the rotary power, and the rotary power drives the cutting rod (29) to rotate and cut; the side of the movable platform (21) is fixedly connected to the containing frame (23), the rotary power includes a second drive motor (24) installed inside the containing frame (23), the output end of the second drive motor (24) is connected to the first gear (25), and the movable platform (21) is correspondingly installed with a second gear (26), a transmission belt (27) is sleeved between the first gear (25) and the second gear (26), and a docking pipe (28) is installed inside the second gear (26), and the cutting rod (29) is fixedly connected to the containing frame (23) on the side of the movable platform (21), and the rotary power includes a second drive motor (24) installed inside the containing frame (23), and the output end of the second drive motor (24) is connected to the first gear (25 ... ) is installed at the bottom of the docking pipe (28), and the second drive motor (24) drives the cutting rod (29) to rotate; a transfer slider (212) is also installed on the movable platform (21), and the two ends of the transfer slider (212) are slidably matched with corresponding support rods (213) and limit rods (214) extending downward, and the intersections of the transfer slider (212) and the support rods (213) and the limit rods (214) are respectively fixed with partition blocks (215) extending downward to a certain height, and the bottom ends of the support rods (213) and the limit rods (214) are connected with a fixed platform (217); A return spring (216) is sleeved on the outer wall of the limit rod (214); a positioning rod (218) is also provided at the bottom of the fixed platform (217) for connecting with the pressure plate (118); a control handle (22) is also provided on one side of the movable platform (21), and the middle section of the control handle (22) is rotatably mounted on the side of the movable platform (21), one end of the control handle (22) is rotatably connected to one end of the transmission rod (210), and the other end of the transmission rod (210) is rotatably connected to the fixed platform (217), and the movable platform (21) is driven to rise and fall by pressing the control handle (22).

2. The inner core sorting and recycling system for waste wooden composite panels according to claim 1 is characterized by: Transfer platforms (16) are respectively installed on the top of the fixed brackets (13) on both sides of the carrying platform (11), the two groups of transfer platforms (16) are relatively distributed and a first drive motor (17) is provided on the transfer platforms (16), and external rotating wheels (18) are respectively rotatably installed on the relatively close inner sides of the two groups of transfer platforms (16), and the first drive motor (17) is used to drive the external rotating wheels (18) to rotate; the two ends of the external rotating wheels (18) are respectively rotatably connected to double-headed rotating rods (19), and the other ends of the double-headed rotating rods (19) on both sides are rotatably connected to transfer blocks (111), and the transfer blocks (111) are connected to the downward pressing platform (110), and a synchronous platform (112) is installed below the downward pressing platform (110), and a pressing plate (118) is arranged below the synchronous platform (112), and the first drive motor (17) finally controls the synchronous platform (112) and the pressing plate (118) to descend.

3. The inner core sorting and recycling system for waste wooden composite panels according to claim 2 is characterized by: Slide grooves (113) are respectively provided on both sides of the top surface of the synchronization platform (112), and the bottom of the pressing platform (110) is correspondingly embedded in the slide grooves (113) and is connected to the synchronization platform (112) in a sliding manner.

4. The inner core sorting and recycling system for waste wooden composite panels according to claim 2, characterized in that: The bottom of the synchronization platform (112) is fixedly connected to a positioning platform (114); the bottom of the positioning platform (114) is installed with a third drive motor (115); the drive rod of the third drive motor (115) is connected to a mounting pipe (116); the other end of the mounting pipe (116) is movably connected to a center rod (117); the bottom of the center rod (117) is fixedly connected to a pressing plate (118); the third drive motor (115) is used to drive the pressing plate (118) to rotate.

5. The inner core sorting and recycling system for waste wooden composite panels according to claim 4 is characterized in that: A limit block (119) is fixedly installed at the intersection of the pressure plate (118) and the center rod (117), a limit ring (120) is installed on the top of the limit block (119), and the pressure plate (118) is threadedly connected to the positioning rod (218) at the bottom of the inner core separation device (2) through the provided limit ring (120).

6. The inner core sorting and recycling system for waste wooden composite panels according to claim 5, characterized in that: Extended straps (121) are fixedly mounted on both sides of the limiting ring (120), and the extended straps (121) are fastened to the pressing plate (118) via fixing bolts (122); an opening is provided on one side of the limiting ring (120), and two side walls of the opening are locked via locking bolts (123).

7. A system for sorting and recycling inner cores of waste wooden composite panels according to any one of claims 2 to 6, characterized in that: The fixed bracket (13) is connected to the side of the supporting platform (11) by a sliding fit, and each fixed bracket (13) is also connected to an extension bracket (14) by a sliding fit, and the extension brackets (14) on both sides extend inwardly toward each other, and a circle of annular grooves are provided on the edge of the top surface of the pressure plate (118) along the circumferential direction, and a sliding block matching the annular groove is provided at the bottom of the extension bracket (14), so that the pressure plate (118) can be rotated under the extension bracket (14).

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