A wood particle reinforced composite floor pressing circulation line

Abstract

This application relates to the field of composite flooring manufacturing, specifically disclosing a wood particle reinforced composite flooring pressing and circulating line. The line comprises a circular conveyor serving as the main conveyor line, a gripping mechanism for disassembling the middle or upper mold, a conveyor line for transporting the disassembled middle or upper mold back to the front end of the middle or upper mold, a conveyor line for transporting the finished mold to the next work section, a mold locking mechanism for locking the three mold sections, a mold removal mechanism for unlocking the three mold sections, a press for compacting the flooring within the mold, and a drying device for drying and curing the pressed flooring. This solution solves the problem of ensuring sufficient circulation of the upper, middle, and bottom molds throughout the entire wood particle reinforced composite flooring production process.

Description

Technical Field

[0001] The invention relates to the field of composite material floor manufacturing, in particular to a wood particle reinforced composite floor pressing circulation line. Background Art

[0002] Wood particle reinforced composite flooring is a new type of panel material for railway flatcars, developed by the Institute of Metals and Chemistry of the China Academy of Railway Sciences Group Co., Ltd. It can replace existing wooden flooring for railway flatcars, offering superior strength, nail holding power, corrosion resistance, and fire resistance. Because wood particle reinforced composite flooring is a new type of panel material, its manufacturing technology and process are relatively new in the industry. While the laboratory achieved the "0 to 1" process, there is no existing experience to draw upon for "1 to 100" mass production.

[0003] To this end, our company has designed a recycling production line based on the flooring manufacturing process. Wood particle-reinforced composite flooring consists of three layers, from bottom to top: a reinforcement layer, a load-bearing layer, and an elastomer. The reinforcement layer is a metal composite material cut to size. After a sandblasted surface treatment to increase friction, it is laid directly on the bottom of the mold. The load-bearing layer is a middle layer composed of a colloid mixture of polyurethane foam and wood particles. It offers the advantages of light weight, high load-bearing capacity, and environmental friendliness. The elastic layer is the top layer, made of elastic material. It is a wear-resistant layer that comes into direct contact with the cargo. Its high surface friction coefficient helps secure the cargo, and its bottom surface is also sandblasted to increase friction. The reinforcement layer and the elastomer are sandblasted on each side that contacts the load-bearing layer. This allows the colloidal elastic layer to flow and penetrate the rough surface, increasing the contact area and tightening the three-layer structure. Furthermore, conventional wood particle flooring, manufactured using a roller-forming process, lacks the strength required for this specialized wood particle flooring solution. Therefore, this specialized flooring manufacturing process utilizes a press machine, where the three-layer structure is integrally pressed and formed in a mold. The mold is immediately clamped and then sent into a drying tunnel, where the flooring remains under pressure for several hours before drying and curing. After intense pressing and drying, the flooring is flat and tightly adheres to the mold base, with its sidewalls locked onto the inner wall of the center mold.

[0004] To facilitate the rapid demolding of the pressed wood flooring from the mold, the mold is designed as a three-layer structure that can be separated from each other, namely a plate-shaped bottom mold (lower mold), a frame-shaped middle mold, and an upper mold that can slide up and down along the inner wall of the middle mold. On this basis, to achieve the highest production efficiency and the most effective mold utilization, the upper and middle molds that have been cleaned and sprayed after demolding need to be quickly transported back to the mold section to avoid the situation where the molds are left idle. Therefore, it is necessary to design an adaptive circulation line for the flow of molds to improve the efficiency of mold closing and demolding, so that multiple equipment can cooperate with each other throughout the entire operation process for continuous, large-scale production. To this end, a wood particle reinforced composite floor pressing circulation line is proposed. Summary of the Invention

[0005] The present invention provides a wood particle reinforced composite floor pressing circulation line to solve the problem of sufficient circulation of upper, middle and bottom molds and non-offline production during the entire operation of the wood particle reinforced composite floor.

[0006] To achieve the above-mentioned objectives, the present invention adopts the following technical solutions: a wood particle reinforced composite floor pressing circulation line, comprising an annular conveyor line and a beam-type bearing structure, wherein a pouring device, a press, a mold clamping mechanism, a drying device, and a mold removal mechanism are sequentially installed on the annular conveyor line along the wood floor production sequence, and the beam-type bearing structure comprises a middle mold manipulator bearing structure and an upper mold manipulator bearing structure;

[0007] The annular conveyor line of the front section of the casting device is connected to one end of the middle mold robot bearing structure, the annular conveyor line of the rear section of the casting device is connected to one end of the upper mold robot bearing structure, and the other ends of the upper mold robot bearing structure and the middle mold robot bearing structure are respectively connected to the annular conveyor line of the rear section of the demoulding mechanism;

[0008] A middle mold transmission line capable of stepping and transmitting a plurality of middle molds is provided along the length of the middle mold manipulator bearing structure, and an upper mold transmission line capable of stepping and transmitting a plurality of upper molds is provided along the length of the upper mold manipulator bearing structure;

[0009] A reciprocating upper mold grabbing mechanism is installed on the upper mold manipulator bearing structure, and the upper mold grabbing mechanism is used to remove the upper mold from the middle mold or install the upper mold on the middle mold. A reciprocating middle mold grabbing mechanism is installed on the middle mold manipulator bearing structure, and a plate ejection mechanism is installed on the middle mold grabbing mechanism, and the middle mold grabbing mechanism is used to remove the middle mold from the bottom mold or install the middle mold on the bottom mold. The plate ejection mechanism is used to eject the floor on the inner wall of the middle mold.

[0010] The basic principle of this scheme is as follows: the mold to be poured is a box body composed of a bottom mold and a middle mold. The box body moves along the circular conveyor line to the bottom of the pouring device. The pouring device loads the three-layer wood particle floor material into the box body, and the box body is transported to the bottom of the upper mold mechanical bearing structure. The upper mold manipulator grabs the upper mold and places it in the box body. The entire mold assembly is completed, and the mold moves along the circular conveyor line to the bottom of the press. The press presses the upper mold downward, and the clamping mechanism locks the mold in the compressed state. The mold moves along the circular conveyor line to the drying device. After keeping warm for several hours, it moves along the circular conveyor line to the demolding mechanism. The demolding mechanism unlocks the mold. At this time, the upper, middle and bottom molds of the mold are integrated but can be separated from each other. The mold moves along the circular transmission line to the bottom of the upper mold mechanical bearing structure, and the upper mold manipulator grabs the upper mold and places it on the upper mold transmission line. During the movement of the upper mold transmission line, the upper mold is manually cleaned and sprayed with a release agent.

[0011] The mold removed from the upper mold is a box body, which then moves forward to the bottom of the middle mold mechanical bearing structure. The middle mold robot grabs the middle mold, and the prepared wooden floor is clamped in the middle mold. The plate ejection mechanism on the middle mold robot ejects the floor. The middle mold robot then places the empty middle mold on the middle mold conveyor line. During the process of conveying the middle mold, the middle mold is manually cleaned and sprayed with release agent.

[0012] The bottom mold moves alone along the circular conveyor line and moves to the bottom of the middle mold robot's carrying structure. The middle mold robot grabs the middle mold on the middle mold transmission line and places it on the bottom mold to form a box body again. The box body moves to the bottom of the pouring device again. The poured box body moves along the circular conveyor line again and passes under the upper mold robot's carrying structure. The upper mold robot grabs the upper mold on the upper mold transmission line and places it in the box body. The assembled mold enters the press again for pressing, and this cycle repeats.

[0013] The beneficial effects of this solution are as follows: Since there is no established production experience for this type of wood particle reinforced composite flooring, manual labor, requiring frequent mold lifting, would be extremely inefficient and pose significant quality and safety risks. This solution's dedicated production line achieves mass production and improves quality consistency. A circular conveyor line aligns the demoulding and closing of the upper and middle molds, automating the mass production of wood particle reinforced composite flooring, ensuring continuous production of molds throughout the entire process.

[0014] Furthermore, the clamping mechanism is located on both sides of the circular conveyor line at the bottom of the press. After the press presses the upper mold into the middle mold, the press push rod directly clamps the mold before retracting, keeping the wooden floor in the pressed state at the fastest speed.

[0015] Furthermore, the circular conveyor line that passes through the press includes a roller conveyor that can be raised and lowered, with a supporting platform located on the periphery of the roller conveyor for the mold to rest flat on. The mold itself weighs 7 tons, and applying pressure directly on the circular conveyor line could easily damage the conveyor line. The supporting platform supports the mold during pressing. After pressing, the roller conveyor rises, allowing the pressed mold to be transported directly out of the press for the next step in the process.

[0016] Furthermore, a groove is formed on the lower surface of the bottom mold, and a tension head is provided at the tail end of the roller conveyor to fit into the groove. The tension head is engaged with the bottom surface of the mold, and the roller conveyor simultaneously transports the mold and simultaneously pulls the mold out from under the press through the tension head.

[0017] Furthermore, the circular conveyor line includes a lifting and transferring machine and a roller conveyor. The lifting and transferring machine is used at the corners of the conveyor line where the conveying direction needs to be changed by 90 degrees. The lifting and transferring machine can meet the transportation needs of two vertical directions on one machine.

[0018] The casting device further comprises a filling mechanism for stirring the wood particle polyurethane foam material and filling it into the mold, and a spraying mechanism for spraying the elastomer into the mold. The filling mechanism applies the colloidal reinforcement layer to the middle layer, while the spraying mechanism sprays the top elastomer onto the upper surface of the middle layer.

[0019] Furthermore, the end of the center mold manipulator's support structure, near the unlocking mechanism, extends outward from the circular conveyor line to form a floor transfer section. A finished product conveyor line is installed parallel to the ground below the floor transfer section. The floor transfer section is used to transport finished floors to subsequent work sections.

[0020] Furthermore, the tail end of the upper mold manipulator's support structure is connected to the head end of the middle mold manipulator's support structure to form a universal manipulator support structure. This universal manipulator support structure is located outside the circular conveyor line, below the ground and parallel to the finished product conveyor line. This solution mounts the upper mold manipulator and the middle mold manipulator on the same support beam. The upper mold manipulator removes the upper mold, and the middle mold manipulator ejects the floor from the middle mold before returning the middle mold to the lower mold. This shortens the length of the middle mold support structure and reduces its installation costs.

[0021] Furthermore, a positioning mechanism is installed on the circular conveyor line below the pouring device, and the positioning mechanism includes movable positioning members respectively arranged along the four sides of the mold. The positioning mechanism is used to limit the position of a single mold so that the mold can align with the pouring device to receive the filling material.

[0022] Furthermore, the tail ends of the middle and upper mold transfer lines are each equipped with a lifting mechanism that can be raised and lowered. This mechanism is used to elevate the molds for easy access by the upper and middle mold manipulators. This facilitates the lifting of the upper and middle molds at the last workstation. Once the middle and upper molds are retrieved by the manipulators, a new workstation is freed up to accommodate the newly removed upper and middle molds at the other end. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic side view of the mold transportation in Example 1 of the present invention;

[0024] Figure 2 Schematic diagram of embodiment 1 of the present invention;

[0025] Figure 3 This is a schematic diagram of Example 2 of the present invention. DETAILED DESCRIPTION

[0026] The following is further described in detail through specific implementation methods:

[0027] The figure marks in the drawings of the specification include: upper mold 1, middle mold 2, lower mold 3, ring conveyor line 4, jacking transplanter 41, roller conveyor 42, casting device 5, press 6, clamping mechanism 7, drying device 8, demoulding mechanism 9, middle mold manipulator supporting structure 11, middle mold grabbing mechanism 110, middle mold transmission line 111, upper mold manipulator supporting structure 12, upper mold grabbing mechanism 120, upper mold transmission line 121, floor transfer section 131, finished product conveyor line 132.

[0028] Example 1:

[0029] Example 1 is basically as shown in the attached Figure 1 、 2 As shown:

[0030] The mold consists of a lower mold 3, a middle mold 2, and an upper mold 1. The lower mold 3 is a plate-shaped mold with locks installed on the four sides of the lower mold 3. The middle mold 2 is a frame-shaped mold with lugs welded on the side walls of the middle mold 2. The upper mold 1 is an inverted "convex" slider. The upper mold 1 can slide up and down along the inner wall of the middle mold 2. When the upper mold 1 slides downward to the maximum position, the lock of the lower mold 3 can lock the upper mold 1 and the middle mold 2.

[0031] In this circulation line, the lower mold 3 and the middle mold 2 first form a box body, move to the bottom of the pouring device 5 to load the three layers of wood flooring materials, and then place the upper mold 1 in the middle mold 2 for closing the mold. The mold as a whole moves to the bottom of the press 6. After the press 6 is pressed, the mold is locked under the locking mechanism 7 and kept in a pressure state. The mold is then transferred to the drying device 8 for insulation for several hours. The insulated wood particle floor is solidified and formed. The entire mold is transported to the demolding mechanism 9 to unlock the lock so that the three parts of the mold can be separated from each other. The robot then removes the upper mold 1, and the upper mold 1 is transported back to the mold for the next batch of casting to be closed. The robot then removes the middle mold 2, and after the floor is ejected, the middle mold 2 is transported back to the next batch of lower molds 3 to be poured. The lower mold 3 of this batch is transported to the bottom of the pouring mechanism again, waiting to be closed with the middle mold 2. After closing with the middle mold 2, pouring can be carried out, and so on.

[0032] Specifically, the annular conveyor line 4 is as follows Figure 2As shown, a square conveyor line is formed by roller conveyors 42, with a jacking and transplanting machine 41 used at the 90° corners of the conveyor line. A horizontal middle mold robot support structure 11 and an upper mold robot support structure 12 are arranged in a row from top to bottom in the longitudinal direction of the circular conveyor line 4. The support structure is a beam-type track laid in the space above the factory area, used to support the gripping mechanism and provide a moving track for the gripping mechanism. A middle mold grasping mechanism 110 that can reciprocate along its length direction is installed on the middle mold manipulator supporting structure 11, and an upper mold grasping mechanism 120 that can reciprocate along its length direction is installed on the upper mold manipulator supporting structure 12. A middle mold transmission line 111 is installed on the ground below the middle mold manipulator supporting structure 11. The middle mold transmission line 111 is a transmission line composed of a roller conveyor 42. An upper mold 1 transmission line is also installed on the ground below the upper mold manipulator supporting structure 12. The upper mold 1 transmission line is also a transmission line composed of a roller conveyor 42. In this way, the grasping mechanism can place the grasped upper mold 1 and middle mold 2 on the upper mold 1 transmission line and the middle mold transmission line 111 respectively. There are four workstations on the transmission line, which can place four upper molds 1 or middle molds 2 at the same time. In order to facilitate the grasping mechanism to grasp the upper mold 1 and the middle mold 2, a roller conveyor 42 that can be raised and lowered is set at the tail end of the upper mold 1 transmission line and the middle mold transmission line 111. When the mold on the last workstation needs to return to the circular conveyor line 4, the roller conveyor 42 at the tail end rises to lift the upper mold 1 or the middle mold 2. After the grasping mechanism grasps the mold, the roller conveyor 42 at the tail end descends, and the upper mold 1 or the middle mold 2 on the next workstation is transported to the roller conveyor 42 at the tail end.

[0033] In this embodiment, workers are arranged next to the upper mold 1 conveyor and the middle mold 2 conveyor, respectively, to clean the disassembled upper mold 1 and the middle mold 2, and spray the release agent on the upper mold 1 and the middle mold 2. This cleaning and spraying process can be completed before the upper mold 1 and the middle mold 2 return to the circular conveyor line 4.

[0034] In this embodiment, the length of the middle mold 2 supporting mechanism is extended to the right side of the circular conveyor line 4 to form a floor transfer section 131, and a finished product conveyor line 132 is installed on the ground below the floor transfer section 131. After the middle mold grasping mechanism 110 grasps the middle mold 2, it moves backward to above the finished product conveyor line 132. The middle mold grasping mechanism 110 is also equipped with a plate ejecting mechanism that can horizontally eject the floor. After the plate ejecting mechanism directly ejects the floor, the floor falls onto the finished product conveyor line 132, so that the finished floor can be transported to the subsequent work section.

[0035] A casting device 5 is arranged along the horizontal circular conveyor line 4 in the direction of transport. This device includes a filling mechanism for stirring the wood particle polyurethane foam material and filling it into the mold, and a spraying mechanism for spraying the elastomer into the mold. A press 6 is mounted behind the spraying mechanism. Below this press 6, the circular conveyor line 4 comprises a roller conveyor 42 that can be raised and lowered. This roller conveyor 42 is surrounded by a ground-supported platform that supports the mold, allowing the press 6 to press the upper mold 1 downward to its maximum limit.

[0036] After press 6 compresses upper mold 1, the clamping mechanism 7 behind press 6 activates, locking the latches of lower mold 3. The mold is locked, keeping the wooden floor under pressure. A drying device 8 is installed on the ground behind clamping mechanism 7. Drying device 8 is a drying tunnel arranged outside the circular conveyor line 4. The mold is transported forward into the drying tunnel. After being kept warm, the floor is dried and solidified, and the mold is removed from drying device 8.

[0037] A mold removal mechanism 9 is mounted behind the drying device 8. Cylinders mounted on its sides, corresponding to the corresponding latch positions, extend in opposite directions, pushing the latches and unlocking the bottom mold latches. This allows the three mold sections to separate. Behind the mold removal mechanism 9, a circular conveyor line 4 is located below the upper mold manipulator support structure 12. The upper mold gripping mechanism 120 moves from the left end of the upper mold manipulator support structure 12 back to the right end, grabs the upper mold 1, and moves it to the left, placing it on the upper mold 1 conveyor line.

[0038] The mold, after passing through the upper mold manipulator support structure 12, moves forward along the circular conveyor line 4, arriving below the middle mold manipulator support structure 11. The middle mold gripping mechanism 110, located at the left end of the middle mold manipulator support structure 11, is used to grab the middle mold 2 from the last station and place it on the next batch of lower molds 3 awaiting pouring. The middle mold gripping mechanism 110 then returns from the left end to the right end of the middle mold manipulator support structure 11, grabbing the middle mold 2 from the mold before moving left again. During this process, the middle mold conveyor line 111 has already shifted the middle mold 2 from three stations on the middle mold conveyor line 111 one station to the left, leaving the first station vacant. The middle mold gripping mechanism 110 moves the middle mold 2 to the rightmost end, whereupon the ejection mechanism on the middle mold gripping mechanism 110 ejects the floor, which falls onto the finished product conveyor line 132. The middle mold gripping mechanism 110 then moves the empty middle mold 2 to the left, placing it on the first station on the middle mold conveyor line 111.

[0039] The bottom mold moves forward again along the circular conveyor line 4 and returns to the front end of the pouring device 5. After the three layers of material are filled through the pouring device 5 again, the above steps are repeated. The entire circulation line works in this way. During the entire operation process, multiple devices cooperate with each other to carry out continuous and large-scale production.

[0040] Example 2:

[0041] Example 2 is basically as shown in the attached Figure 1 、 3 As shown:

[0042] The difference between this embodiment and the embodiment is that the middle mold manipulator supporting structure 11 and the upper mold manipulator supporting structure 12 in this embodiment are installed on the same horizontal beam-type supporting structure, and no middle mold transmission line 111 is set. The middle mold can be directly grabbed by the middle mold grasping mechanism and placed directly back on the bottom mold after the finished product is ejected. It does not need to be placed in the middle mold transmission line buffer to wait, which reduces the number of grabbing and releasing times and improves efficiency. The upper mold manipulator supporting structure 12 is located on the left side of the circular conveyor line 4, and the upper mold 1 transmission line is set on the bottom surface below the upper mold manipulator supporting structure 12. The middle mold manipulator supporting structure 11 is located on the right side of the circular conveyor line 4. The finished product conveyor line 132 is installed on the ground below the middle mold manipulator supporting structure 11. After the mold passes through the demoulding mechanism 9, the mold as a whole moves to the bottom of the beam-type supporting structure. The upper mold grasping mechanism 120 first places the upper mold 1 at the last station on the upper mold 1 transmission line on the next batch of cast molds. The three upper molds 1 on the upper mold 1 transmission line move forward to free up space. After leaving the first workstation, the upper mold grasping mechanism 120 moves to the right end, grasps the upper mold 1 after demolding, and places it on the upper mold 1 transmission line. Then the middle mold grasping mechanism 110 moves to the left end on the middle mold manipulator bearing structure 11 to above the mold, grasps the middle mold 2, and the existing section moves to above the finished product conveyor line 132. The floor ejection mechanism on the middle mold grasping mechanism 110 ejects the finished floor, and the floor falls on the finished product conveyor line 132. The middle mold grasping mechanism 110 puts the empty middle mold 2 back into the lower mold 3, and the box body composed of the middle mold 2 and the lower mold 3 is transported back to the front end of the pouring device 5.

[0043] In this embodiment, it is only necessary to transport the disassembled upper mold 1 back to the next batch of molds along the upper mold 1 transmission line, while the middle mold 2 directly circulates along the ring conveyor line 4, saving the installation and laying costs of the middle mold transmission line 111 and part of the middle mold manipulator supporting structure 11.

[0044] The above is only an embodiment of the present invention, and the common knowledge such as the specific structure and characteristics of the scheme is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A wood particle reinforced composite floor pressing circulation line, characterized by: It includes a ring conveyor line and a beam-type bearing structure. The ring conveyor line is equipped with a pouring device, a press, a mold locking mechanism, a drying device and a mold removal mechanism in the order of wooden floor production. The beam-type bearing structure includes a middle mold manipulator bearing structure and an upper mold manipulator bearing structure. The annular conveyor line of the front section of the casting device is connected to one end of the middle mold robot bearing structure, the annular conveyor line of the rear section of the casting device is connected to one end of the upper mold robot bearing structure, and the other ends of the upper mold robot bearing structure and the middle mold robot bearing structure are respectively connected to the annular conveyor line of the rear section of the demoulding mechanism; A middle mold transmission line capable of stepping and transmitting a plurality of middle molds is provided along the length of the middle mold manipulator bearing structure, and an upper mold transmission line capable of stepping and transmitting a plurality of upper molds is provided along the length of the upper mold manipulator bearing structure; A reciprocating upper mold grabbing mechanism is installed on the upper mold manipulator bearing structure, and the upper mold grabbing mechanism is used to remove the upper mold from the middle mold or install the upper mold on the middle mold. A reciprocating middle mold grabbing mechanism is installed on the middle mold manipulator bearing structure, and a plate ejection mechanism is installed on the middle mold grabbing mechanism, and the middle mold grabbing mechanism is used to remove the middle mold from the bottom mold or install the middle mold on the bottom mold. The plate ejection mechanism is used to eject the floor on the inner wall of the middle mold.

2. The wood particle reinforced composite floor pressing circulation line according to claim 1, characterized in that: The clamping mechanism is located on both sides of the annular conveying line at the bottom of the press.

3. The wood particle reinforced composite floor pressing circulation line according to claim 2, characterized in that: The annular conveying line passing through the press comprises a roller conveyor that can be raised and lowered, and a bearing platform for placing the mold flat is arranged on the periphery of the roller conveyor.

4. The wood particle reinforced composite floor pressing circulation line according to claim 3, characterized in that: A groove is provided on the lower surface of the bottom mold, and a tension head which can be inserted into the groove is provided at the tail end of the roller conveyor.

5. The wood particle reinforced composite floor pressing circulation line according to claim 1, characterized in that: The annular conveyor line includes a lifting and transferring machine and a roller conveyor. The lifting and transferring machine is used at the corners of the conveyor line where the transmission direction needs to be changed by 90 degrees.

6. The wood particle reinforced composite floor pressing circulation line according to claim 1, characterized in that: The casting device sequentially comprises a filling mechanism for stirring the wood particle polyurethane foam material and filling it into the mold, and a spraying mechanism for spraying the elastomer into the mold.

7. The wood particle reinforced composite floor pressing circulation line according to claim 1, characterized in that: One end of the middle mold manipulator bearing structure close to the unlocking mechanism extends toward the outside of the annular conveyor line to form a floor transfer section, and a finished product conveyor line is installed parallel to the ground below the floor transfer section.

8. The wood particle reinforced composite floor pressing circulation line according to claim 1, characterized in that: The tail end of the upper mold manipulator supporting structure is connected to the head end of the middle mold manipulator supporting structure to form a universal manipulator supporting structure. The universal manipulator supporting structure is located below the outside of the circular conveyor line and a finished product conveyor line is installed parallel to the ground.

9. The wood particle reinforced composite floor pressing circulation line according to claim 1, characterized in that: A positioning mechanism is installed on the annular conveyor line below the pouring device, and the positioning mechanism includes movable positioning parts respectively arranged along the four sides of the mold.

10. The wood particle reinforced composite floor pressing circulation line according to claim 1, characterized in that: The tail ends of the middle mold transmission line and the upper mold transmission line are respectively provided with a lifting mechanism that can be lifted up and down, and the lifting mechanism is used to lift the mold to facilitate grabbing by the upper mold robot or the middle mold robot.

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