CLT wood structure flexible glue press based on wood yield strength and pressing method

Abstract

The application discloses a CLT wood structure flexible glue pressing machine based on wood yield strength and a pressing method, and comprises a hydraulic flow distribution system containing a plurality of wood yield strength data sets, a hydraulic transmission assembly one, a hydraulic transmission assembly two, a pressing plate and a flexible glue pressing block; the flexible glue pressing block comprises a fixed rod, a control rod and a pressing block; a hemispherical convex block at the bottom end of the fixed rod can rotate in a hemispherical groove of the pressing block; a pressure sensor detects the liquid pressure in the hydraulic transmission assembly two; and a controller in the hydraulic flow distribution system supplies flow to the hydraulic transmission assembly two according to the liquid pressure detected by the pressure sensor and the plurality of wood yield strengths, so as to ensure that the liquid pressures in each hydraulic transmission assembly two are consistent and plastic deformation of the orthogonal glued wood caused by excessively large pressure is avoided. The flexible glue pressing block can conveniently and quickly replace the pressing block body, saves the time and cost of daily maintenance, and can solve the pressure leakage phenomenon.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plywood press, in particular to a CLT wood structure flexible plywood press based on wood yield strength and a pressing method. BACKGROUND

[0002] The plywood press is one of the main equipment in the production process of plywood, which is mainly used for hot pressing of the glued combined board blank. Through the heating and pressing action of the press, the glue is solidified, and the layers of the board blank are tightly combined to form a plywood with certain strength and stability.

[0003] During the working process of the CLT wood structure plywood press, the pressing block may be damaged due to long-term use. The connection mode of the pressing block and the telescopic driving mechanism in the traditional CLT wood structure plywood press is mainly rigid connection such as bolt and nut. The replacement of the pressing block is laborious and time-consuming. In addition, when the pressing block in the traditional CLT wood structure plywood press is pressed to the upper surface of the orthotropic glued wood with different heights, the pressing block has a leakage phenomenon for the part of the upper surface of the orthotropic glued wood with slightly lower height, which leads to insufficient tightness between the board blanks, and further leads to the inability of the layers of the board blank to be tightly combined.

[0004] In view of the above problems, a CLT wood structure flexible plywood press based on wood yield strength and a pressing method are provided. SUMMARY

[0005] The purpose of the present application is to provide a CLT wood structure flexible plywood press based on wood yield strength and a pressing method to solve the problems of large workload, long operation time and leakage in the replacement of the pressing block as mentioned in the background.

[0006] To achieve the above technical purpose, the technical solution adopted by the present application is as follows:

[0007] A CLT wood structure flexible plywood press based on wood yield strength, comprising a hydraulic flow distribution system for supplying flow to hydraulic transmission assemblies one and two respectively, a hydraulic transmission assembly one, a hydraulic transmission assembly two, a support frame, a pressing plate and a flexible plywood pressing block;

[0008] The hydraulic transmission assembly one is arranged on the support frame, and the output end of the hydraulic transmission assembly one is connected with the pressing plate;

[0009] A plurality of hydraulic transmission assemblies two are arranged on the pressing plate, and the output end of each hydraulic transmission assembly two is connected with the flexible plywood pressing block. A pressure sensor is installed in each hydraulic transmission assembly two, and each pressure sensor is connected with the hydraulic flow distribution system;

[0010] The flexible glue pressing block comprises a fixed rod, a control rod and a pressing block body, the fixed rod is connected with the output end of the second hydraulic transmission assembly, the bottom end of the fixed rod is a hemispherical convex block, the pressing block body is provided with a connecting groove, the bottom wall of the connecting groove is a hemispherical groove, a plurality of through holes are horizontally arranged in the pressing block body, one end of the through hole penetrates the outer surface of the pressing block body, and the other end is communicated with the connecting groove, the control rod is elastically and slidably connected in the through hole, and the end of the control rod extending into the connecting groove is formed into a convex clamping head at a certain inclination angle.

[0011] When the convex clamping head of the control rod faces downward, the convex clamping head of the control rod is clamped with the end face of the hemispherical convex block of the bottom end of the fixed rod; when the convex clamping head of the control rod faces upward, the pressing block body is subjected to gravity, the outer spherical surface of the hemispherical convex block of the fixed rod extrudes one side of the convex clamping head of the control rod having an inclination angle, the convex clamping head of the control rod slides toward the through hole, and one side of the convex clamping head having an inclination angle slides along the outer spherical surface of the hemispherical convex block until the hemispherical convex block of the bottom end of the fixed rod is separated from the hemispherical groove of the pressing block body, and the pressing block body falls off.

[0012] The controller in the hydraulic flow distribution system contains a plurality of wood yield strength data sets, the pressure sensor is used for detecting the liquid pressure in the second hydraulic transmission assembly and sending the liquid pressure to the controller in the hydraulic flow distribution system, and the controller in the hydraulic flow distribution system supplies flow to the second hydraulic transmission assembly according to the liquid pressure detected by the pressure sensor and the plurality of wood yield strengths, so as to ensure that the liquid pressures in each second hydraulic transmission assembly are consistent and plastic deformation of the orthogonal glue laminated wood caused by excessively large liquid pressure in each second hydraulic transmission assembly is avoided.

[0013] As a further improved technical solution of the present application, the pressing plate is a several-shaped structure comprising a bottom plate and a top plate, the two sides of the top plate are fixedly connected with the bottom plate, the bottom plate is connected with the output ends of the plurality of first hydraulic transmission assemblies, and the top plate is connected with the plurality of second hydraulic transmission assemblies.

[0014] As a further improved technical solution of the present application, the plurality of first hydraulic transmission assemblies are connected on the support frame, and the support frame is further provided with a base, the base is used for placing the orthogonal glue laminated wood to be pressed, and the pressing plate is located above the base.

[0015] As a further improved technical solution of the present application, the first hydraulic transmission assembly adopts a hydraulic cylinder one, the hydraulic cylinder one is connected with the support frame through bolts, and the telescopic end of the hydraulic cylinder one is connected with the pressing plate through threads.

[0016] As a further improved technical solution of the present application, the hydraulic transmission assembly two adopts a hydraulic cylinder two, which is connected with the pressing plate through bolts; the telescopic end of the hydraulic cylinder two is connected with the fixed rod through a joint.

[0017] As a further improved technical solution of the present application, the end of the control rod away from the protruding clamping head is cross-shaped.

[0018] As a further improved technical solution of the present application, the inner wall of the through hole is elastically connected with the control rod through a spring, and the spring is sleeved outside the control rod.

[0019] To achieve the above technical purposes, another technical solution adopted by the present application is:

[0020] A pressing method of a CLT wood structure flexible glue press based on wood yield strength, comprising:

[0021] Step 1: When the protruding clamping head at one end of the control rod is downward, the protruding clamping head of the control rod is clamped with the end face of the hemispherical block at the bottom end of the fixed rod, thereby realizing the connection between the fixed rod and the pressing block body.

[0022] Step 2: Place the orthogonal glued wood to be pressed on the base of the support frame, control the hydraulic transmission assembly one to drive the pressing plate to move downward through the controller in the hydraulic flow distribution system, and stop moving when the pressing plate moves to the preset position.

[0023] Step 3: Control the hydraulic transmission assembly two to drive the pressing block body to move downward through the controller in the hydraulic flow distribution system. If the upper surfaces of the orthogonal glued wood to be pressed are of different heights, the hemispherical groove on the pressing block body will rotate along the hemispherical block at the bottom end of the fixed rod, and the pressing block body will keep close contact with and press the orthogonal glued wood. The pressure sensor detects the pressure information of the liquid in the hydraulic transmission assembly two in real time and sends the pressure information to the controller in the hydraulic flow distribution system. The controller in the hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly two according to the pressure information detected by the pressure sensor and the wood yield strength corresponding to the orthogonal glued wood to be pressed in the wood yield strength data set, so as to ensure that the liquid pressures in each hydraulic transmission assembly two are consistent, thereby controlling all the pressing block bodies to apply consistent pressure to the orthogonal glued wood, while avoiding excessive liquid pressure in each hydraulic transmission assembly two from causing plastic deformation of the orthogonal glued wood. After the preset pressure maintaining time, the hydraulic transmission assembly one and the hydraulic transmission assembly two are reset.

[0024] Step 4, if the briquetting body is damaged, the control hydraulic transmission assembly one drives the pressing plate to lift up through the controller in the hydraulic flow distribution system, then the damaged briquetting body is driven to move downward by the controller in the hydraulic flow distribution system to make the damaged briquetting body lower than other intact briquetting bodies, and then the damaged briquetting body stops moving;

[0025] Step 5, the control rod in the damaged briquetting body is rotated by 180 degrees, the convex clamping head of the control rod faces upward, the outer spherical surface of the hemispherical convex block of the fixing rod extrudes the side surface with an inclined angle of the convex clamping head of the control rod under the action of the gravity of the damaged briquetting body, the convex clamping head of the control rod slides toward the through hole, the spring is compressed, the side surface with an inclined angle of the convex clamping head slides along the outer spherical surface of the hemispherical convex block, when the spring is compressed to a certain degree, the released energy of the spring pushes the control rod to extrude the outer spherical surface of the hemispherical convex block at the bottom end of the fixing rod, so that the hemispherical convex block at the bottom end of the fixing rod quickly separates from the hemispherical groove and the connecting groove of the damaged briquetting body, and the damaged briquetting body falls off;

[0026] Step 6, the control rod in the new briquetting body is rotated, the convex clamping head at one end of the control rod faces downward, and then the hemispherical convex block at the bottom end of the fixing rod is inserted into the hemispherical groove of the new briquetting body

[0027] The present application has the following advantages:

[0028] The present application can greatly speed up the replacement rate of the damaged briquetting body, reduce the labor time cost, further improve the production efficiency of the glued wood, and also can avoid the existence of the missing pressure, and improve the production quality.

[0029] The controller in the hydraulic flow distribution system contains a plurality of wood yield strength data sets: the yield strength of wood of different materials is different, the yield strength of different wood is recorded through experiment, and a data set is formed and embedded into the controller in the hydraulic flow distribution system. When the current wood is glued, the yield strength of the wood can be directly called in the hydraulic flow distribution system. When gluing, the plastic deformation of the wood caused by excessive pressure is avoided.

[0030] The present application designs a hydraulic flow distribution system: because the plurality of hydraulic cylinders two are respectively provided with pressure sensors, due to the existence of wood thickness error, the pressure between the hydraulic cylinders two is bound to be different, for example, the current wood gluing pressure needs 1Mpa, when the pressure of the hydraulic cylinder two or the plurality of hydraulic cylinders two is less than 1Mpa, the controller in the hydraulic flow distribution system supplies flow to the hydraulic cylinder two to ensure that the pressure of each hydraulic cylinder two is consistent.

[0031] The application designs a flexible glue pressing block: the flexible glue pressing block with the universal structure can make the pressing surfaces of the adjacent wood squares with thickness error in the orthotropic glued wood under pressing force at the same time, avoids the situation of missing pressing, and the structure cooperates with the hydraulic flow distribution system, so that the board surface is uniformly stressed.

[0032] When the convex clamping head of the control rod at one end is downward, the convex clamping head of the control rod is clamped with the end surface of the hemispherical convex block at the bottom end of the fixed rod, thereby realizing the connection of the fixed rod and the pressing block body; the orthotropic glued wood to be pressed is placed on the base of the support frame, the hydraulic transmission assembly one is driven to move the pressing plate downward by the hydraulic flow distribution system, and the pressing plate stops moving after moving to the preset position; the hydraulic transmission assembly two is driven to move the pressing block body downward by the hydraulic flow distribution system, if the upper surface height of the orthotropic glued wood to be pressed is different (the orthotropic glued wood to be pressed is formed by multiple wood board layers coated with glue, which are arranged in a staggered manner according to the horizontal and vertical lines and arranged up and down, and the wood board layer is formed by multiple wood square sides coated with glue and horizontally and laterally arranged), the pressing block body will rotate along the hemispherical convex block at the bottom end of the fixed rod, and the pressing block body is tightly attached to the upper surface of different heights of the orthotropic glued wood and is pressed tightly, thereby preventing the phenomenon of missing pressing, eliminating the bubbles therein, and facilitating the solidification of the glue. At the same time, the pressure sensor detects the hydraulic pressure of the liquid in the hydraulic transmission assembly two in real time and sends the hydraulic information to the hydraulic flow distribution system, the hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly two according to the hydraulic information and the wood yield strength data corresponding to the wood yield strength of the orthotropic glued wood to be pressed, thereby ensuring that the liquid pressure in each hydraulic transmission assembly two is consistent, thereby controlling all the pressing block bodies to apply consistent pressure to the orthotropic glued wood, while avoiding excessive liquid pressure in each hydraulic transmission assembly two, which causes plastic deformation of the orthotropic glued wood; if the pressing block body is damaged, the pressing plate is lifted to a suitable position by the hydraulic flow distribution system controlling the hydraulic transmission assembly one, and the damaged pressing block body is driven to move downward by the hydraulic transmission assembly two, so that the damaged pressing block body is lower than the other intact pressing block bodies; the control rod in the damaged pressing block body is rotated by 180 degrees, so that the convex clamping head of the control rod faces upward, the outer sphere of the hemispherical convex block of the fixed rod extrudes one side of the convex clamping head of the control rod having an inclination angle, the spring is compressed, and one side of the convex clamping head having an inclination angle slides along the outer sphere of the hemispherical convex block; when the spring is compressed to a certain extent, the released energy pushes the control rod to extrude the outer sphere of the hemispherical convex block at the bottom end of the fixed rod, so that the hemispherical convex block at the bottom end of the fixed rod quickly separates from the hemispherical groove and the connecting groove of the damaged pressing block body, and the damaged pressing block body falls off; the hydraulic transmission assembly two (i.e. the hydraulic cylinder two) is independently provided with a pressure sensor, and the pressure sensors on the plurality of hydraulic transmission assemblies two and the hydraulic flow distribution system form a set of pressure acquisition system, which can dynamically adjust the hydraulic cylinder two at each position in real time, so that the pressure at each point is consistent. This set of pressure acquisition system can ensure that each pressing block body reaches consistent pressure during the pressing process.And the present application is aimed at different wood materials, a set of wood yield strength data set to avoid wood plastic deformation is developed, which can be embedded into the controller in the hydraulic flow distribution system to complete intelligent high-quality pressure.

[0033] The specific structure of the hydraulic flow distribution system includes a hydraulic pump, a flow control valve, an oil tank, a controller and the like. The oil tank is connected with the hydraulic transmission assembly one and the hydraulic transmission assembly two through the hydraulic pump, the flow control valve and the pipeline respectively, the pressure sensor on the hydraulic transmission assembly two is connected with the controller, the controller is connected with the flow control valve, and then the liquid flow to the hydraulic transmission assembly one and the hydraulic transmission assembly two is controlled through the flow control valve, and the hydraulic transmission assembly two is also supplied with appropriate flow to ensure that the pressure of each hydraulic cylinder is consistent, and plastic deformation of wood caused by excessive pressure is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of the embodiment 1 of the present application.

[0035] Figure 2 It is a structural schematic diagram of the hidden support frame of the embodiment 1 of the present application.

[0036] Figure 3 It is a front view of the structure of the embodiment 1 of the present application.

[0037] Figure 4 It is Figure 3 It is a section view of A-A, that is, a state diagram of the protruding clamping head of the control rod downward.

[0038] Figure 5 It is a state diagram of the protruding clamping head of the control rod upward.

[0039] Figure 6 It is a side view of the flexible glued pressing block of the embodiment 1 of the present application.

[0040] Figure 7 It is a section view of the pressing block body of the flexible glued pressing block of the embodiment 1 of the present application pressing the orthographic glued wood with different upper surface heights.

[0041] Figure 8 It is a process diagram of the pressing block body falling off of the embodiment 1 of the present application.

[0042] Figure 9 It is a structural schematic diagram of the embodiment 2 of the present application.

[0043] Figure 10 It is a schematic diagram of the pressing block body and the air bag channel steel connecting structure of the embodiment 2 of the present application.

[0044] Figure 11This is a cross-sectional view of the pressure block body, the airbag channel steel, and the small pressure blocks on the airbag channel steel pressing down on orthogonal glued laminated timber with different heights on the upper surface in Embodiment 2 of the present invention. Detailed Implementation

[0045] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings:

[0046] Example 1: As Figures 1-2 As shown, a CLT (Compact Timber Latch) flexible gluing press for timber structures based on the yield strength of wood includes a hydraulic flow distribution system for supplying flow to hydraulic transmission components 2 and 3 respectively, hydraulic transmission components 2 and 3, a support frame 1, a pressure plate 4, and a flexible gluing block. The support frame 1 is a frame structure with openings at both the front and back. Hydraulic transmission components 2, 3, and the flexible gluing block are all located inside the support frame 1.

[0047] The hydraulic transmission component 1 2 is mounted on the support frame 1. The output end of the hydraulic transmission component 1 2 is connected to the pressure plate 4. Multiple hydraulic transmission components 2 3 are arranged in a rectangular array on the pressure plate 4. The output end of each hydraulic transmission component 2 3 is connected to a flexible adhesive block. There is a small gap between adjacent flexible adhesive blocks. Each hydraulic transmission component 2 3 is equipped with a pressure sensor. Each pressure sensor is connected to the hydraulic flow distribution system.

[0048] like Figures 3-5 As shown, the flexible adhesive block includes a fixing rod 8, a control rod 7, and a block body 6. The fixing rod 8 is connected to the output end of the hydraulic transmission assembly 3 via a connector 5. The bottom end of the fixing rod 8 is a hemispherical protrusion 801. The block body 6 is provided with a connecting groove 601, and the bottom wall of the connecting groove 601 is a hemispherical groove 602. Multiple through holes 702 are horizontally opened inside the block body 6. One end of each through hole 702 penetrates the outer surface of the block body 6, and the other end communicates with the connecting groove 601. The control rod 7 is elastically slidably connected inside the through hole 702. One end of the control rod 7 extends into the connecting groove 601 at a certain angle, thereby forming a protruding locking head 701 at that end. The bottom end of the fixing rod 8 extends into the connecting groove 601 of the block body 6 until the hemispherical protrusion 801 is embedded in the hemispherical groove 602. The hemispherical protrusion 801 can rotate within the hemispherical groove 602.

[0049] When the protruding latch 701 of the control lever 7 is as follows Figure 4 When the control lever 7 is facing downwards, the protruding locking head 701 engages with the end face of the hemispherical protrusion 801 at the bottom of the fixing lever 8; when the protruding locking head 701 of the control lever 7 is facing downwards, it engages with the end face of the hemispherical protrusion 801 at the bottom of the fixing lever 8. Figure 5When the upwardly shown, the block body 6 is affected by gravity, the outer spherical surface of the hemispherical protrusion 801 of the fixed rod 8 extrudes the side with an inclined angle of the protruding clamping head 701 of the control rod 7, the protruding clamping head 701 of the control rod 7 slides towards the through hole 702, the side with an inclined angle of the protruding clamping head 701 slides along the outer spherical surface of the hemispherical protrusion 801 until the hemispherical protrusion 801 at the bottom end of the fixed rod 8 is separated from the hemispherical groove 602 of the block body 6, and the block body 6 falls off.

[0050] The controller in the hydraulic flow distribution system contains a plurality of wood yield strength data sets, the pressure sensor is used for detecting the liquid pressure in the hydraulic transmission assembly two 3 and sending the liquid pressure to the controller in the hydraulic flow distribution system, and the controller in the hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly two 3 according to the liquid pressure detected by the pressure sensor and the plurality of wood yield strengths, combines the pressure information fed back by the pressure sensor to ensure that the liquid pressures in each hydraulic transmission assembly two 3 are consistent, and avoid that the liquid pressures in each hydraulic transmission assembly two 3 are too large to cause plastic deformation of the orthogonal glued wood 10.

[0051] In the embodiment, the pressing plate 4 is a few type structure, including a bottom plate 401 and a top plate 402, the two sides of the top plate 402 are fixedly connected with the bottom plate 401, the bottom plate 401 is connected with the output ends of the four hydraulic transmission assemblies one 2, and the top plate 402 is connected with a plurality of hydraulic transmission assemblies two 3. Figure 2 The output end of each hydraulic transmission assembly two 3 is connected with the fixed rod 8 in the flexible glued pressing block after penetrating through the reserved hole on the top plate 402.

[0052] In the embodiment, the top of the plurality of hydraulic transmission assemblies one 2 is connected to the support frame 1, and the support frame 1 is further provided with a base 101 for placing the orthogonal glued wood 10 to be pressed and combined, and the pressing plate 4 is located above the base 101.

[0053] In the embodiment, the hydraulic transmission assembly one 2 adopts a hydraulic cylinder one, the top of the hydraulic cylinder one is connected with the support frame 1 through bolts, and the telescopic end of the hydraulic cylinder one is connected with the pressing plate 4 through threads.

[0054] In the embodiment, the hydraulic transmission assembly two 3 adopts a hydraulic cylinder two, the hydraulic cylinder two is connected with the pressing plate 4 through bolts, and the telescopic end of the hydraulic cylinder two is connected with the fixed rod 8 through the joint 5. The joint 5 adopts an existing joint and can be threadedly connected with the telescopic end and the fixed rod 8.

[0055] In the embodiment, the end of the control rod 7 away from the protruding clamping head 701 is a cross type.

[0056] In this embodiment, the inner wall of the through hole 702 is elastically connected to the control rod 7 by the spring 9, and the spring 9 is sleeved outside the control rod 7.

[0057] In this embodiment, the inside of the flexible glue pressing block is a universal joint mechanism, which can realize 360 0 free rotation. The pressing block body 6 is connected to the fixed rod 8 through the hemispherical convex block 801 at the bottom end of the control rod 7 and the fixed rod 8. Figure 7 The connecting groove 601 of the pressing block body 6 is slightly larger in diameter than the diameter of the hemispherical groove 602, so that the pressing block body 6 can be tilted at a certain angle without interfering with the fixed rod 8.

[0058] When the protruding clamp 701 at one end of the control rod 7 is downward, the protruding clamp 701 of the control rod 7 is clamped with the end surface of the hemispherical convex block 801 at the bottom end of the fixed rod 8, and then the fixed rod 8 is connected with the pressing block body 6. Figure 4 The protruding clamp 701 of the control rod 7 is clamped with the end surface of the hemispherical convex block 801 at the bottom end of the fixed rod 8, and then the fixed rod 8 is connected with the pressing block body 6. The orthotropic glued wood 10 to be pressed (the orthotropic glued wood 10 to be pressed is formed by multiple wood board layers coated with glue, and the wood board layers are arranged in a staggered manner according to the horizontal and vertical lines) is placed on the base 101 of the support frame 1, and the hydraulic flow distribution system controls the hydraulic transmission assembly one 2 to drive the pressing plate 4 to move downward. The pressing plate 4 stops moving after moving to the preset position. Then the hydraulic flow distribution system controls the hydraulic transmission assembly two 3 to drive the pressing block body 6 to move downward, so that the pressing block body 6 presses the orthotropic glued wood 10 to be pressed. If the upper surface of the orthotropic glued wood 10 to be pressed is different in height as shown in FIG. Figure 7 The pressing block body 6 will rotate along the hemispherical convex block 801 at the bottom end of the fixed rod 8, and the pressing block body 6 will keep close contact with the orthotropic glued wood 10 to be pressed and be pressed tightly to prevent the phenomenon of missing pressure, eliminate the bubbles therein, and facilitate the solidification of the glue. At the same time, the pressure sensor detects the hydraulic pressure of the liquid in the hydraulic transmission assembly two 3 in real time and sends the hydraulic information to the hydraulic flow distribution system. The hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly two 3 according to the hydraulic information and the wood yield strength data corresponding to the orthotropic glued wood 10 to be pressed, so as to ensure that the liquid pressure in each hydraulic transmission assembly two 3 is consistent, and then control all the pressing block bodies 6 to exert consistent pressure on the orthotropic glued wood 10, while avoiding excessive liquid pressure in each hydraulic transmission assembly two 3 causing plastic deformation of the orthotropic glued wood 10. After the preset pressure holding time, the glue between the wood board layers is solidified, and the hydraulic transmission assembly one 2 and the hydraulic transmission assembly two 3 are reset. If the pressing block body 6 is damaged, the hydraulic flow distribution system controls the hydraulic transmission assembly one 2 to drive the pressing plate 4 to rise to a suitable position, and then the hydraulic flow distribution system controls the hydraulic transmission assembly two 3 connected to the damaged pressing block body 6 to drive the damaged pressing block body 6 to move downward. Figure 8The damaged pressing block body 6 is lower than the other intact pressing block bodies 6, and then the damaged pressing block body 6 stops moving; the control rod 7 in the damaged pressing block body 6 is rotated by 180 degrees, that is, as shown in FIG. 4, the protruding clamping head 701 of the control rod 7 is turned from the first position to the third position, and the protruding clamping head 701 of the control rod 7 is upward as shown in FIG. 5. Figure 6 The protruding clamping head 701 of the control rod 7 is turned from the first position to the third position, and the protruding clamping head 701 of the control rod 7 is upward as shown in FIG. 5. Figure 5 The protruding clamping head 701 of the control rod 7 is turned from the first position to the third position, and the protruding clamping head 701 of the control rod 7 is upward as shown in FIG. 5. The protruding clamping head 701 of the control rod 7 is turned from the first position to the third position, and the protruding clamping head 701 of the control rod 7 is upward as shown in FIG. 5. The hydraulic transmission assembly two 3 is independently provided with a pressure sensor, and the pressure sensors on the plurality of hydraulic transmission assemblies two 3 and the hydraulic flow distribution system jointly form a pressure acquisition system, which can dynamically adjust the hydraulic cylinder two at each position in real time, so that the pressure at each position is consistent. The pressure acquisition system is independently developed and can ensure that each pressing block body 6 reaches a consistent pressure during the pressing process. In addition, a multi-wood yield strength data set for avoiding plastic deformation of wood is developed for different wood materials and can be embedded into the controller in the hydraulic flow distribution system to complete intelligent and high-quality pressing. The specific structure of the hydraulic flow distribution system adopts the prior art, including a hydraulic pump, a flow control valve, an oil tank, and a controller. The oil tank is connected with the hydraulic transmission assembly one 2 and the hydraulic transmission assembly two 3 through the hydraulic pump, the flow control valve, and a pipeline, the pressure sensor on the hydraulic transmission assembly two 3 is connected with the controller, and the controller is connected with the flow control valve, so as to control the liquid flow to the hydraulic transmission assembly one 2 and the hydraulic transmission assembly two 3 through the flow control valve, supply appropriate flow to the hydraulic transmission assembly two 3, ensure that the pressure of each hydraulic cylinder two is consistent, and avoid plastic deformation of wood caused by excessive pressure.

[0059] The embodiment also provides a pressing method of the CLT wood structure flexible glue pressing machine.

[0060] Step 1, when the convex clamping head 701 at one end of the control rod 7 is downward, the convex clamping head 701 of the control rod 7 is clamped with the end face of the hemispherical protrusion 801 at the bottom end of the fixed rod 8, thereby connecting the fixed rod 8 with the pressing block body 6;

[0061] Step 2, place the orthotropic glued wood 10 to be pressed on the base 101 of the support frame 1, control the hydraulic transmission assembly 2 to drive the pressing plate 4 to move downward through the controller in the hydraulic flow distribution system, and stop moving when the pressing plate 4 moves to the preset position;

[0062] Step 3, control the hydraulic transmission assembly 3 to drive the pressing block body 6 to move downward through the controller in the hydraulic flow distribution system, if the upper surface of the orthotropic glued wood 10 to be pressed has different heights, the hemispherical groove 602 on the pressing block body 6 will rotate along the hemispherical protrusion 801 at the bottom end of the fixed rod 8, the pressing block body 6 keeps closely combined with the orthotropic glued wood 10 and is pressed tightly to prevent leakage, at the same time, the pressure sensor detects the pressure information of the liquid in the hydraulic transmission assembly 3 in real time and sends the pressure information to the controller in the hydraulic flow distribution system, the controller in the hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly 3 according to the pressure information detected by the pressure sensor and the wood yield strength corresponding to the orthotropic glued wood 10 in the wood yield strength data set, thereby ensuring that the liquid pressure in each hydraulic transmission assembly 3 is consistent, and then controlling all the pressing block bodies 6 to apply consistent pressure to the orthotropic glued wood 10, while avoiding plastic deformation of the orthotropic glued wood 10 caused by excessive liquid pressure in each hydraulic transmission assembly 3, after the pressure is maintained for a preset time, the hydraulic transmission assembly 1 and the hydraulic transmission assembly 3 are reset;

[0063] Step 4, if the pressing block body 6 is damaged, control the pressing plate 4 to be lifted to the preset position through the controller in the hydraulic flow distribution system, then control the damaged pressing block body 6 to drive the damaged pressing block body 6 to move downward to the preset position through the controller in the hydraulic flow distribution system, so that the damaged pressing block body 6 is lower than other intact pressing block bodies 6, and then the damaged pressing block body 6 stops moving;

[0064] Step 5: Rotate the control rod 7 inside the damaged pressure block body 6 by 180 degrees, so that the protruding locking head 701 of the control rod 7 faces upward (the side with the inclined angle on the protruding locking head 701 faces downward). Under the gravity of the damaged pressure block body 6, the outer spherical surface of the hemispherical protrusion 801 of the fixing rod 8 presses against the side with the inclined angle on the protruding locking head 701 of the control rod 7. The protruding locking head 701 of the control rod 7 slides toward the through hole 702, compressing the spring 9. The side with the inclined angle on the protruding locking head 701 slides along the outer spherical surface of the hemispherical protrusion 801. When the spring 9 is compressed to a certain extent, the energy it releases pushes the control rod 7 to press against the outer spherical surface of the hemispherical protrusion 801 at the bottom of the fixing rod 8, so that the hemispherical protrusion 801 at the bottom of the fixing rod 8 quickly disengages from the hemispherical groove 602 and the connecting groove 601 of the damaged pressure block body 6, and the damaged pressure block body 6 falls off.

[0065] Step 6: Rotate the control lever 7 in the new pressing block body 6 so that the protruding clip 701 at one end of the control lever 7 faces downward (the side with the tilt angle on the protruding clip 701 faces upward), and then forcefully insert the hemispherical protrusion 801 at the bottom of the fixing rod 8 into the hemispherical groove 602 of the new pressing block body 6.

[0066] Example 2: As Figures 9-10 As shown, a CLT (Compact Timber Lattice) flexible gluing press for timber structures based on the yield strength of wood includes a hydraulic flow distribution system for replenishing the flow of hydraulic transmission components 2 and 3 respectively, hydraulic transmission components 2 and 3, a support frame 1 (not shown in the figure, the specific position and structure of the support frame 1 are the same as in Embodiment 1), a pressure plate 4, a flexible gluing block, and an airbag channel steel 11. The support frame 1 is a frame structure with openings at both the front and back. The hydraulic transmission components 2 and 3, the flexible gluing block, and the airbag channel steel 11 are all located inside the support frame 1.

[0067] The top of the hydraulic transmission assembly 2 is bolted to the support frame 1. The output end of the hydraulic transmission assembly 2 is connected to the pressure plate 4. Multiple hydraulic transmission assemblies 3 are arranged in two straight lines on the pressure plate 4, as shown in the diagram. Figure 7 As shown, the output end of each hydraulic transmission component 2 3 is connected to a flexible adhesive block, with a small gap between adjacent flexible adhesive blocks. Each hydraulic transmission component 2 3 is equipped with a pressure sensor, and each pressure sensor is connected to the hydraulic flow distribution system.

[0068] Similarly Figures 3-5As shown, the flexible glued press block structure in Example 2 is the same as that in Example 1. The structure of the hydraulic flow distribution system in Example 2 is the same as that in Example 1, that is, the controller in the hydraulic flow distribution system contains multiple wood yield strength data sets, a pressure sensor is used to detect the liquid pressure in each hydraulic transmission assembly two 3 and send the liquid pressure to the controller in the hydraulic flow distribution system, and the controller in the hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly two 3 according to the liquid pressure detected by the pressure sensor and the multiple wood yield strength, and combines the pressure information fed back by the pressure sensor to ensure that the liquid pressure in each hydraulic transmission assembly two 3 is consistent, while avoiding excessive liquid pressure in each hydraulic transmission assembly two 3 causing plastic deformation of the orthogonal glued wood 10. The structure of the pressing plate 4 in Example 2 is the same as that in Example 1.

[0069] This embodiment 2 is similar to Example 1 in structure, the difference is that the number of hydraulic transmission assembly two 3 in Example 2 is reduced, and at the same time, the bottom of the front and rear two press block bodies 6 in the same direction is connected with the same air bag channel steel 11, the air bag channel steel 11 includes channel steel 1101, air bag 1102 and small press block 1103, the channel steel 1101 is a long rectangular parallelepiped structure with an open bottom, the channel steel 1101 is fixedly connected with the bottom of the press block body 6 by welding, the air bag 1102 is placed in the channel steel 1101, the surface of the air bag 1102 is bonded with multiple small press blocks arranged side by side, and the channel steel 1101 is also provided with an inflation port for facilitating inflation of the air bag 1102. By installing the air bag channel steel 11, the pressure of the multiple small press blocks 1103 pressing the orthogonal glued wood is the same, and compared with Example 1, the number of hydraulic transmission assembly two 3 is also reduced, and the energy consumption is reduced.

[0070] The air bag is made of rubber. After the air bag 1102 is put into the channel steel 1101 through the bottom opening of the channel steel 1101, gas is filled into the air bag 1102 through the gas inlet. The outer contour size of the air bag after the gas is filled is consistent with the inner size of the steel channel. A row of small pressing blocks 1103 is exposed from the bottom opening of the channel steel 1101. The row of small pressing blocks 1103 has a certain elasticity under the action of the air bag. In the working process, the pressure of each small pressing block 1103 under the action of the air bag is consistent. The pressing block body 6 can be quickly detached and installed, thereby realizing the quick detachment of the air bag steel channel 11 and the quick replacement of the air bag 1102. The detachment and installation process of the pressing block body 6 in the second embodiment is the same as that in the first embodiment. In the working process, when the convex clamping head 701 at one end of the control rod 7 faces downward, the convex clamping head 701 of the control rod 7 is clamped with the end surface of the hemispherical convex block 801 at the bottom end of the fixed rod 8, thereby connecting the fixed rod 8 with the pressing block body 6. Figure 11As shown, the lower pressing block 1103 of the air bag channel steel 11 is pressed to the cross-laminated timber 10 to be pressed, if the upper surface of the cross-laminated timber 10 to be pressed is of different height, the hemispherical groove 602 on the pressing block body 6 will rotate along the hemispherical protrusion 801 at the bottom end of the fixed rod 8, and the plurality of small pressing blocks 1103 will keep close contact with the surfaces of the cross-laminated timber 10 of different heights and be pressed tightly to prevent missed pressing. At the same time, the pressure sensor detects the pressure information of the liquid in the hydraulic transmission assembly two 3 in real time and sends the pressure information to the controller in the hydraulic flow distribution system. The controller in the hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly two 3 according to the pressure information detected by the pressure sensor and the wood yield strength corresponding to the cross-laminated timber 10 to be pressed in the wood yield strength data set, thereby ensuring that the liquid pressure in each hydraulic transmission assembly two 3 is consistent, and then controlling all pressing block bodies 6 to exert consistent pressure. The small pressing blocks 1103 have a certain elasticity under the action of the air bag, and the pressure of each small pressing block 1103 under the action of the air bag is also consistent during work, thereby ensuring that each small pressing block 1103 exerts consistent pressure on the different surfaces of the cross-laminated timber 10. The hydraulic flow distribution system and the pressure sensor also avoid plastic deformation of the cross-laminated timber 10 caused by excessive liquid pressure in each hydraulic transmission assembly two 3. After the predetermined pressure maintaining time, the glue on the cross-laminated timber 10 solidifies, and the hydraulic transmission assembly one 2 and the hydraulic transmission assembly two 3 are reset. If a certain air bag channel steel 11 needs to be replaced, the pressing plate 4 is lifted to a predetermined position by the hydraulic transmission assembly one 2 driven by the controller in the hydraulic flow distribution system. Then, the pressing block body 6 and the air bag channel steel 11 connected to the air bag channel steel 11 to be replaced are driven by the controller in the hydraulic flow distribution system to move downward to a predetermined position, so that the pressing block body 6 and the air bag channel steel 11 to be replaced are lower than other pressing block bodies 6. The control rod 7 in the pressing block body 6 fixedly connected to the air bag channel steel 11 to be replaced is rotated by 180 degrees, so that the protruding clamping head 701 of the control rod 7 faces upward (the side surface with an inclined angle on the protruding clamping head 701 faces downward). Under the action of the gravity of the pressing block body 6, the outer spherical surface of the hemispherical protrusion 801 of the fixed rod 8 extrudes the side surface with an inclined angle of the protruding clamping head 701 of the control rod 7, the protruding clamping head 701 of the control rod 7 slides toward the through hole 702, the compression spring 9 is compressed, and the side surface with an inclined angle of the protruding clamping head 701 slides along the outer spherical surface of the hemispherical protrusion 801. When the compression spring 9 is compressed to a certain degree, the energy released by the compression spring 9 pushes the control rod 7 to extrude the outer spherical surface of the hemispherical protrusion 801 at the bottom end of the fixed rod 8, so that the hemispherical protrusion 801 at the bottom end of the fixed rod 8 quickly separates from the hemispherical groove 602 and the connecting groove 601 of the damaged pressing block body 6. The air bag channel steel 11 to be replaced and the pressing block body 6 connected thereto fall off together.Rotate the control lever 7 in the new air bag channel steel 11 connected to the briquetting body 6, and make the protruding clamping head 701 at one end of the control lever 7 face downward (the side with an inclined angle on the protruding clamping head 701 faces upward), and then insert the hemispherical protrusion 801 at the bottom end of the fixed rod 8 into the hemispherical groove 602 in the new air bag channel steel 11 connected to the briquetting body 6.

[0071] The protection scope of the present application includes but is not limited to the above embodiments, and the protection scope of the present application is subject to the claims, and any replacement, deformation, improvement of the present technology that is easily thought of by those skilled in the art falls within the protection scope of the present application.

Claims

1. A CLT wood structure flexible glue press based on wood yield strength, characterized by, The hydraulic flow distribution system is used for flow compensation of the hydraulic transmission assembly one (2) and the hydraulic transmission assembly two (3) respectively, the hydraulic transmission assembly one (2), the hydraulic transmission assembly two (3), the support frame (1), the pressing plate (4) and the flexible glued pressing block are included. The hydraulic transmission assembly one (2) is arranged on the support frame (1), and the output end of the hydraulic transmission assembly one (2) is connected with the pressing plate (4); A plurality of hydraulic transmission assembly two (3) are arranged on the pressing plate (4), and the output end of each hydraulic transmission assembly two (3) is connected with the flexible glued pressing block; a pressure sensor is arranged in each hydraulic transmission assembly two (3), and each pressure sensor is connected with the hydraulic flow distribution system; The flexible glued pressing block comprises a fixed rod (8), a control rod (7) and a pressing block body (6), the fixed rod (8) is connected with the output end of the hydraulic transmission assembly two (3), the bottom end of the fixed rod (8) is a hemispherical convex block (801), the pressing block body (6) is provided with a connecting groove (601), the bottom wall of the connecting groove (601) is a hemispherical groove (602), a plurality of through holes (702) are horizontally arranged in the pressing block body (6), one end of the through hole (702) penetrates the outer surface of the pressing block body (6), and the other end is communicated with the connecting groove (601), the control rod (7) is elastically and slidably connected in the through hole (702), and the end of the control rod (7) extending into the connecting groove (601) is formed into a convex clamping head (701) at a certain inclination angle; the bottom end of the fixed rod (8) extends into the connecting groove (601) of the pressing block body (6) until the hemispherical convex block (801) is embedded in the hemispherical groove (602), and the hemispherical convex block (801) can rotate in the hemispherical groove (602); When the convex clamping head (701) of the control rod (7) faces downward, the convex clamping head (701) of the control rod (7) is clamped with the end face of the hemispherical convex block (801) at the bottom end of the fixed rod (8); when the convex clamping head (701) of the control rod (7) faces upward, the pressing block body (6) is subjected to gravity, the outer spherical surface of the hemispherical convex block (801) at the bottom end of the fixed rod (8) extrudes one side of the convex clamping head (701) of the control rod (7) having an inclination angle, the convex clamping head (701) of the control rod (7) slides toward the through hole (702), one side of the convex clamping head (701) having an inclination angle slides along the outer spherical surface of the hemispherical convex block (801), until the hemispherical convex block (801) at the bottom end of the fixed rod (8) is separated from the hemispherical groove (602) of the pressing block body (6), and the pressing block body (6) is separated; The controller in the hydraulic flow distribution system contains a plurality of wood yield strength data sets, the pressure sensor is used for detecting the liquid pressure in the hydraulic transmission assembly two (3) and sending the liquid pressure to the controller in the hydraulic flow distribution system, and the controller in the hydraulic flow distribution system is used for supplementing the flow of the hydraulic transmission assembly two (3) according to the liquid pressure detected by the pressure sensor and the plurality of wood yield strengths, so as to ensure that the liquid pressures in each hydraulic transmission assembly two (3) are consistent, and plastic deformation of the orthogonal glued wood (10) caused by excessive liquid pressure in each hydraulic transmission assembly two (3) is avoided.

2. The CLT wood structure flexible gluing press based on the wood yield strength according to claim 1, characterized in that, The pressing plate (4) is a several-shaped structure, including a bottom plate (401) and a top plate (402), the two sides of the top plate (402) are fixedly connected with the bottom plate (401), the bottom plate (401) is connected with the output ends of the plurality of hydraulic transmission assemblies one (2), and the top plate (402) is connected with the plurality of hydraulic transmission assemblies two (3); the output end of each hydraulic transmission assembly two (3) penetrates through the reserved hole on the top plate (402) and is connected with the fixed rod (8) in the flexible glued pressing block.

3. The CLT wood structure flexible glue press based on wood yield strength according to claim 1, characterized in that, The plurality of hydraulic transmission assemblies one (2) are connected on the support frame (1), and the support frame (1) is further provided with a base (101); the base (101) is used for placing the orthogonal glued wood (10) to be pressed; and the pressing plate (4) is located above the base (101).

4. The CLT wood structure flexible glue press based on wood yield strength according to claim 1, characterized in that, The hydraulic transmission assembly one (2) adopts a hydraulic cylinder one, and the hydraulic cylinder one is connected with the support frame (1) through bolts; and the telescopic end of the hydraulic cylinder one is connected with the pressing plate (4) through threads.

5. The wood yield strength based CLT wood structure flexible glue press of claim 1, wherein, The hydraulic transmission assembly two (3) adopts a hydraulic cylinder two, and the hydraulic cylinder two is connected with the pressing plate (4) through bolts; and the telescopic end of the hydraulic cylinder two is connected with the fixed rod (8) through a joint (5).

6. The wood yield strength based CLT wood structure flexible glue press of claim 1, wherein, The end of the control rod (7) away from the protruding clamping head (701) is in a cross shape.

7. The wood yield strength based CLT wood structure flexible glue press of claim 1, wherein, The inner wall of the through hole (702) is elastically and slidably connected with the control rod (7) through a spring (9), and the spring (9) is sleeved outside the control rod (7).

8. A pressing method of a CLT wood structure flexible glue press based on the yield strength of wood according to claim 7, characterized by, Comprising: Step 1, when the protruding clamping head (701) at one end of the control rod (7) faces downward, the protruding clamping head (701) of the control rod (7) is clamped with the end face of the hemispherical block (801) at the bottom end of the fixed rod (8), so as to realize the connection between the fixed rod (8) and the pressing block body (6); Step 2, place the placed orthogonal glued wood (10) to be pressed on the base (101) of the support frame (1), control the hydraulic transmission assembly one (2) to drive the pressing plate (4) to move downward through the controller in the hydraulic flow distribution system, and stop the movement of the pressing plate (4) after the pressing plate (4) moves downward to the preset position; Step 3, the hydraulic transmission assembly two (3) is controlled by the controller in the hydraulic flow distribution system to drive the pressing block body (6) to move downward. If the upper surfaces of the cross-laminated timber (10) to be pressed have different heights, the hemispherical groove (602) on the pressing block body (6) will rotate along the hemispherical protrusion (801) at the bottom end of the fixed rod (8), and the pressing block body (6) will remain in close contact with and press the cross-laminated timber (10). The pressure sensor detects the pressure information of the liquid in the hydraulic transmission assembly two (3) in real time and sends the pressure information to the controller in the hydraulic flow distribution system. The controller in the hydraulic flow distribution system supplies appropriate liquid flow to the hydraulic transmission assembly two (3) according to the pressure information detected by the pressure sensor and the wood yield strength corresponding to the cross-laminated timber (10) in the multi-wood yield strength data set, thereby ensuring that the liquid pressures in each hydraulic transmission assembly two (3) are consistent, and further controlling all pressing block bodies (6) to exert consistent pressure on the cross-laminated timber (10), while avoiding excessive liquid pressure in each hydraulic transmission assembly two (3) from causing plastic deformation of the cross-laminated timber (10). After the pressure is maintained for a preset time, the hydraulic transmission assembly one (2) and the hydraulic transmission assembly two (3) are reset. Step 4, if the pressing block body (6) is damaged, the hydraulic transmission assembly one (2) is controlled by the controller in the hydraulic flow distribution system to drive the pressing plate (4) to lift up, and then the damaged pressing block body (6) is controlled by the controller in the hydraulic flow distribution system to drive the corresponding hydraulic transmission assembly two (3) to move downward, so that the damaged pressing block body (6) is lower than the other intact pressing block bodies (6), and then the damaged pressing block body (6) stops moving. Step 5, rotate the control rod (7) in the damaged pressing block body (6) by 180 degrees, so that the protruding clamping head (701) of the control rod (7) faces upward. Under the action of the gravity of the damaged pressing block body (6), the outer spherical surface of the hemispherical protrusion (801) of the fixed rod (8) extrudes one side of the protruding clamping head (701) of the control rod (7) having an inclination angle, the protruding clamping head (701) of the control rod (7) slides toward the through hole (702), the spring (9) is compressed, and one side of the protruding clamping head (701) having an inclination angle slides along the outer spherical surface of the hemispherical protrusion (801). When the spring (9) is compressed to a certain degree, the released energy pushes the control rod (7) to extrude the outer spherical surface of the hemispherical protrusion (801) at the bottom end of the fixed rod (8), so that the hemispherical protrusion (801) at the bottom end of the fixed rod (8) quickly separates from the hemispherical groove (602) and the connecting groove (601) of the damaged pressing block body (6), and the damaged pressing block body (6) falls off. Step 6, rotate the control rod (7) in the new pressing block body (6), and make the protruding clamping head (701) at one end of the control rod (7) face downward, and then insert the hemispherical protrusion (801) at the bottom end of the fixed rod (8) into the hemispherical groove (602) of the new pressing block body (6).

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