A glue coating device for engineered wood panels

Abstract

This utility model provides a gluing device for engineered wood panels, relating to the field of engineered wood panel gluing technology. The device includes a groove formed on one side surface of a U-shaped frame, with a U-shaped plate slidably connected inside the groove. A motor is fixedly mounted on the vertical end of the U-shaped plate, and a gear is fixedly mounted on the output end of the motor via a coupling. A rack is fixedly mounted on one side surface of the U-shaped frame, with the gear and rack meshing with each other. This utility model, through auxiliary devices, allows for pre-coating of the engineered wood panel surface using multiple nozzles, followed by uniform coating with a coating roller. This effectively solves the problems of uneven thickness and localized missed coating caused by single-spray coating, resulting in a smooth and uniform coating on the panel surface, preventing insufficient adhesion due to uneven glue distribution during subsequent bonding.

Description

Technical Field

[0001] This utility model relates to the field of adhesive coating technology for engineered wood products, and in particular to an adhesive coating device for engineered wood products. Background Technology

[0002] Engineered wood products are boards or molded products made from wood or other non-wood plant materials, which are separated into various unit materials through certain mechanical processing, and then bonded together with or without adhesives and other additives. During the processing of engineered wood products, gluing equipment is required to apply glue to the engineered wood products.

[0003] A patented adhesive applicator for engineered wood panels, with publication number CN221086173U, utilizes a spring force to move a movable plate, which in turn moves a clamping plate during transmission. This facilitates clamping and fixing of the engineered wood panel, preventing it from shaking during adhesive application and affecting the quality of the adhesive. By adding a rubber plate, the static friction force for clamping and fixing the engineered wood panel is increased, preventing unstable clamping and further improving the stability of the adhesive application position.

[0004] In their daily work, the inventors discovered that the aforementioned adhesive applicator for engineered wood panels mainly applies adhesive to the panels through an applicator head. However, spraying through the applicator head results in a limited spraying range and uneven pressure distribution, which easily leads to inconsistent adhesive thickness and missed areas. This uneven adhesive application directly affects subsequent processing steps, making it easy for the engineered wood panels to have insufficient bonding strength due to uneven adhesive distribution during bonding, resulting in a weak bond and a low percentage of qualified products. Utility Model Content

[0005] The purpose of this utility model is to provide a glue-applying device for engineered wood panels to solve the problems mentioned above in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a gluing device for artificial boards, comprising a base plate, a U-shaped frame fixedly installed on the surface of the base plate, a placement plate fixedly installed on the inner bottom surface of the U-shaped frame, an auxiliary device provided on one side surface of the U-shaped frame, the auxiliary device comprising a groove formed on one side surface of the U-shaped frame, a U-shaped plate slidably connected inside the groove, a motor fixedly installed on the surface of the vertical end of the U-shaped plate, and a gear fixedly installed on the output end of the motor through a coupling.

[0007] Preferably, a rack is fixedly installed on one side surface of the U-shaped frame, and the gear and the rack mesh with each other.

[0008] Preferably, an electric telescopic rod is fixedly installed on the bottom surface of the top horizontal end of the U-shaped plate, and a U-shaped frame is fixedly installed on the output end of the electric telescopic rod.

[0009] Preferably, a rotating shaft is rotatably connected between the two vertical ends of the U-shaped frame, and a coating roller is fixedly installed on the outer wall surface of the rotating shaft.

[0010] Preferably, a support rod is fixedly installed on one side surface of the vertical ends on both sides of the U-shaped frame, and a hollow tube is fixedly installed on the end surface of the two support rods away from the U-shaped frame. Multiple nozzles are evenly distributed on the outer wall surface of the hollow tube, and a feed pipe is fixedly installed on the outer wall surface of the hollow tube.

[0011] The aforementioned components achieve the following effects: by using multiple spray nozzles to pre-coat the surface of the engineered wood panel, followed by uniform coating with a coating roller, the problem of uneven thickness and localized missed coating caused by single spraying can be effectively solved. This results in a smooth and uniform coating of adhesive on the panel surface, preventing insufficient adhesion due to uneven adhesive distribution during subsequent bonding.

[0012] Preferably, a PLC controller is fixedly installed on one side surface of the U-shaped frame, and the motor and electric telescopic rod are electrically connected to the PLC controller.

[0013] Preferably, the surface of the base plate is provided with a clamping device, the clamping device including two U-shaped rods fixedly installed on the surface of the base plate, the outer wall surfaces of the two U-shaped rods are slidably connected with sliding plates, and a clamping plate is fixedly installed between each pair of sliding plates.

[0014] Preferably, two upright plates are fixedly installed on the surface of the base plate, and a cylinder is fixedly installed on the surface of each of the two upright plates. The output end of the cylinder is fixedly connected to the clamping plate, and the cylinder is electrically connected to the PLC controller.

[0015] The effect achieved by the above components is as follows: by driving the clamping plate to move by the cylinder, the artificial board can be stably clamped, avoiding the board from shaking or shifting due to vibration or movement during the glue application process, ensuring accurate glue application position, and reducing glue application defects caused by board displacement.

[0016] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0017] In this invention, by setting an auxiliary device, multiple nozzles are used to pre-coat the surface of the artificial board, and then the coating roller is used to roll and homogenize it. This can effectively solve the problems of uneven thickness and local missed coating caused by single spraying, so that the glue forms a flat and uniform coating on the surface of the board, and avoids insufficient adhesion caused by uneven glue distribution during subsequent bonding. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2This utility model Figure 1 Another structural diagram from a different angle;

[0020] Figure 3 This is a partial structural schematic diagram of the auxiliary device of this utility model;

[0021] Figure 4 This utility model Figure 3 Another structural diagram from a different angle;

[0022] Figure 5 This is a schematic diagram of the clamping device of this utility model.

[0023] Legend: 1. Base plate; 2. Auxiliary device; 201. Groove; 202. U-shaped plate; 203. Motor; 204. Gear; 205. Rack; 206. Electric telescopic rod; 207. U-shaped frame; 208. Rotating shaft; 209. Coating roller; 210. Support rod; 211. Hollow tube; 212. Feed pipe; 213. Nozzle; 3. Clamping device; 31. U-shaped rod; 32. Slide plate; 33. Clamping plate; 34. Vertical plate; 35. Cylinder; 4. U-shaped frame; 5. Placement plate; 6. PLC controller. Detailed Implementation

[0024] Example 1, such as Figure 1-5 As shown, a gluing device for engineered wood panels includes a base plate 1, a U-shaped frame 4 fixedly mounted on the surface of the base plate 1, a placement plate 5 fixedly mounted on the inner bottom surface of the U-shaped frame 4, a PLC controller 6 fixedly mounted on one side surface of the U-shaped frame 4, and a wear-resistant rubber pad affixed to the surface of the placement plate 5. The PLC controller 6 is a Siemens S7-1200 with a response delay ≤0.1s.

[0025] Reference Figure 1-4As shown in this embodiment: an auxiliary device 2 is provided on one side surface of the U-shaped frame 4. The auxiliary device 2 includes a groove 201 formed on one side surface of the U-shaped frame 4. A U-shaped plate 202 is slidably connected inside the groove 201. A motor 203 is fixedly installed on the vertical end surface of the U-shaped plate 202. A gear 204 is fixedly installed on the output end of the motor 203 through a coupling. A rack 205 is fixedly installed on one side surface of the U-shaped frame 4. The gear 204 and the rack 205 mesh with each other. An electric telescopic rod 206 is fixedly installed on the bottom surface of the top horizontal end of the U-shaped plate 202. A U-shaped frame 207 is fixedly installed on the output end of the electric telescopic rod 206. A rotating shaft 208 is rotatably connected between the two vertical ends of the U-shaped frame 207. A coating roller 209 is fixedly installed on the outer wall surface of the rotating shaft 208. One side surface of the two vertical ends of the U-shaped frame 207 is fixed. Support rods 210 are installed, and hollow tubes 211 are fixedly installed on the surface of the two support rods 210 away from the U-shaped frame 207. Multiple nozzles 213 are evenly distributed on the outer wall surface of the hollow tubes 211. A feed pipe 212 is fixedly installed on the outer wall surface of the hollow tubes 211. The motor 203 and the electric telescopic rod 206 are electrically connected to the PLC controller 6. The motor 203 is model YE2-90L-4, with a speed of 1400 r / min and a power of 1.5 kW. The gear 204 has a module of 2 mm and 20 teeth. The transmission error between the gear 204 and the rack 205 is ≤0.1 mm. The electric telescopic rod 206 is model DTZ300-200, with a stroke of 150 mm, a thrust of 80 N, and a speed of 50 mm / s. The rotational resistance of the rotating shaft 208 is ≤5 N·m. The coating roller 209 is made of 60 Shore rubber. A, surface roughness Ra 1.6μm, nozzle 213 orifice diameter 1mm, spacing 150mm, spray angle 60°.

[0026] Reference Figure 1-5 As shown in this embodiment: the surface of the base plate 1 is provided with a clamping device 3, which includes two U-shaped rods 31 fixedly installed on the surface of the base plate 1. The outer wall surfaces of the two U-shaped rods 31 are slidably connected with sliding plates 32. A clamping plate 33 is fixedly installed between each pair of sliding plates 32. Two upright plates 34 are fixedly installed on the surface of the base plate 1. A cylinder 35 is fixedly installed on the surface of each of the two upright plates 34. The output end of the cylinder 35 is fixedly connected to the clamping plate 33. The cylinder 35 is electrically connected to the PLC controller 6. The surface of the clamping plate 33 is covered with a silicone anti-slip layer. The cylinder 35 is model SC100×300, with a working pressure of 0.6MPa, a stroke of 300mm, and a thrust of 100N.

[0027] Working principle: When using this device, first check whether the meshing of gear 204 and rack 205 is smooth, whether the surface of coating roller 209 is clean and free of impurities, and whether the air pressure of cylinder 35 is normal. Ensure that all components are running stably before operation. After the inspection, the operator first places the artificial board stably on the surface of the placement board 5, so that the board is located between the two clamping plates 33. Then, the PLC controller 6 sends a command to start the two cylinders 35. The output ends of the cylinders 35 extend synchronously, driving the two clamping plates 33 to move closer to each other. At the same time, the clamping plates 33 drive the corresponding sliding plates 32 to slide on the outer wall of the U-shaped rod 31. The sliding plates 32 ensure that the clamping plates 33 are in close contact with each other. 3. Smooth movement: When the silicone anti-slip layer on the inner wall of the clamping plate 33 is tightly attached to both sides of the artificial board, the PLC controller 6 controls the cylinder 35 to stop. At this time, the artificial board is firmly clamped to prevent shaking or displacement during subsequent glue application. After clamping and fixing, the delivery pipe of the external glue pump is connected to the feed pipe 212. Glue is delivered into the hollow tube 211 through the glue pump and feed pipe 212. After being distributed through the hollow tube 211, the glue is simultaneously sprayed from multiple nozzles 213 evenly distributed on its outer wall, initially spraying onto the surface of the artificial board to form a pre-coating layer. While the nozzles 213 are spraying, the electric telescopic rod 206 is activated by the PLC controller 6, and the electric telescopic rod extends and retracts. The output end of rod 206 extends, causing U-shaped frame 207 to move downwards. Simultaneously, the downward movement of U-shaped frame 207 drives coating roller 209 and hollow tube 211 downwards. When the surface of coating roller 209 contacts the pre-coated adhesive on the surface of the engineered wood panel, PLC controller 6 stops the electric telescopic rod 206. Then, motor 203 is started. The output end of motor 203 drives gear 204 to rotate. Gear 204 meshes with rack 205, driving U-shaped plate 202 to move smoothly along the inside of groove 201. The movement of U-shaped plate 202 causes U-shaped frame 207 to move synchronously. Coating roller 209 moves with U-shaped frame 207 and rolls on the surface of the engineered wood panel, dispensing the pre-coated adhesive sprayed from nozzle 213. The adhesive is evenly spread by a roller, forming a uniform coating on the surface of the engineered wood panel to prevent localized accumulation or missed areas. After coating, the electric telescopic rod 206 retracts, controlled by the PLC controller 6, causing the coating roller 209 to move upwards and detach from the panel surface. Simultaneously, the motor 203 rotates in the opposite direction, resetting the U-shaped plate 202 to its initial position. Then, the cylinder 35 retracts, moving the clamping plates 33 away from each other, releasing the gripper from the panel. The operator can then remove the coated panel from the placement plate 5. For continuous operation, the steps of "placement and clamping → adhesive preparation and pre-coating → adhesive homogenization → resetting and removal" can be repeated. Through this process, the device achieves uniform adhesive coating on the surface of the engineered wood panel, effectively improving coating quality and efficiency.

[0028] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A glue-applying device for engineered wood panels, comprising a base plate (1), wherein a U-shaped frame (4) is fixedly installed on the surface of the base plate (1), and a placement plate (5) is fixedly installed on the inner bottom surface of the U-shaped frame (4), characterized in that: An auxiliary device (2) is provided on one side surface of the U-shaped enclosure (4). The auxiliary device (2) includes a groove (201) opened on one side surface of the U-shaped enclosure (4). A U-shaped plate (202) is slidably connected inside the groove (201). A motor (203) is fixedly installed on the surface of the vertical end of the U-shaped plate (202). A gear (204) is fixedly installed on the output end of the motor (203) through a coupling.

2. The adhesive applicator for engineered wood panels according to claim 1, characterized in that: A rack (205) is fixedly installed on one side surface of the U-shaped frame (4), and the gear (204) and the rack (205) mesh with each other.

3. The adhesive applicator for engineered wood panels according to claim 1, characterized in that: An electric telescopic rod (206) is fixedly installed on the bottom surface of the top horizontal end of the U-shaped plate (202), and a U-shaped frame (207) is fixedly installed on the output end of the electric telescopic rod (206).

4. The adhesive applicator for engineered wood panels according to claim 3, characterized in that: A rotating shaft (208) is rotatably connected between the vertical ends of the two sides of the U-shaped frame (207), and a coating roller (209) is fixedly installed on the outer wall surface of the rotating shaft (208).

5. The adhesive applicator for engineered wood panels according to claim 3, characterized in that: Support rods (210) are fixedly installed on one side surface of the vertical ends of the two U-shaped frame (207). Hollow tubes (211) are fixedly installed on the end surface of the two support rods (210) away from the U-shaped frame (207). Multiple nozzles (213) are evenly distributed on the outer wall surface of the hollow tube (211). Feed pipes (212) are fixedly installed on the outer wall surface of the hollow tube (211).

6. The adhesive applicator for engineered wood panels according to claim 1, characterized in that: A PLC controller (6) is fixedly installed on one side surface of the U-shaped frame (4), and the motor (203) and the electric telescopic rod (206) are electrically connected to the PLC controller (6).

7. The adhesive applicator for engineered wood panels according to claim 1, characterized in that: The surface of the base plate (1) is provided with a clamping device (3). The clamping device (3) includes two U-shaped rods (31) fixedly installed on the surface of the base plate (1). The outer wall surfaces of the two U-shaped rods (31) are slidably connected with sliding plates (32). A clamping plate (33) is fixedly installed between each pair of sliding plates (32).

8. The adhesive applicator for engineered wood panels according to claim 1, characterized in that: Two upright plates (34) are fixedly installed on the surface of the base plate (1). A cylinder (35) is fixedly installed on the surface of each of the two upright plates (34). The output end of the cylinder (35) is fixedly connected to the clamping plate (33). The cylinder (35) is electrically connected to the PLC controller (6).

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