Double-sided coating device for plywood

Abstract

The utility model relates to the technical field of plywood processing, in particular to a plywood double-face smearing device which comprises a workbench, a conveying assembly is installed on the workbench, a frame body is rotatably installed on the conveying assembly, extrusion telescopic rods are installed on the four inner side walls of the frame body respectively, and the extrusion telescopic rods are connected with abutting plates. The four abutting plates are matched with one another to clamp a plate, side plates are installed on the two sides of the workbench correspondingly, installation bases capable of moving up and down are installed on the side plates, glue spraying heads are installed on the installation bases, sliding grooves are further formed in the installation bases, two moving blocks are installed in the sliding grooves in a matched mode, and the two moving blocks are connected with electric telescopic rods correspondingly. The electric telescopic rods are used for driving the two moving blocks to get close to or away from each other, gluing shafts are installed on the moving blocks, gluing rollers are installed on the gluing shafts, a conveying belt is further arranged below the workbench, and racks are installed on the two sides of the conveying belt. Free selection of single-side smearing and double-side smearing can be achieved, and cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of plywood processing, in particular to a double-sided coating device for plywood. Background Art

[0002] Plywood is a composite board made by gluing multiple veneers together. It is widely used in home decoration and other fields. During the production process, glue needs to be applied to the plywood, and then hot pressed using a hot press.

[0003] The Chinese utility model patent with application number 202222111237.X discloses a plywood gluing device with uniform coating, which comprises a heating bin and a gluing bin which are connected inside a machine body, a conveyor belt is provided at the bottom of the inner groove near the heating bin and the gluing bin, two gluing racks are bolted to the top of the inner groove of the gluing bin, and glue nozzles are provided at the bottom of the two gluing racks. An outer rod is bolted to the inner groove wall on the top of the gluing bin close to the gluing rack and away from the heating bin, an inner rod is penetrated through and slidably connected to the bottom of the outer rod, and a uniform coating pressure roller is rotatably connected to the bottom of the inner rod. By spraying the glue onto the board and then evenly coating the glue on the board through the pressure roller, the uniformity of gluing of the plywood is improved, the problem of warping and voids after plywood adhesion is reduced, and the production and processing quality of the shovel is improved.

[0004] However, the applicant has found that the prior art has at least the following problems:

[0005] For composite panels made of two or more layers of panels glued together, the middle panel needs to be coated with glue on both sides. The existing technology cannot achieve rapid switching between double-sided gluing and single-sided gluing, but it is completed with different equipment, which increases production costs. Utility Model Content

[0006] In view of this, the purpose of the utility model is to provide a double-sided gluing device for plywood to solve the problem that the prior art cannot achieve rapid switching between double-sided gluing and single-sided gluing.

[0007] Based on the above purpose, the utility model provides a double-sided coating device for plywood, including a workbench, a conveying assembly is installed on the workbench, a frame is rotatably installed on the conveying assembly, extrusion telescopic rods are respectively installed on the four inner side walls of the frame, the extrusion telescopic rods are connected with abutment plates, and the four abutment plates cooperate with each other to clamp the plate. Side panels are respectively installed on both sides of the workbench, and mounting seats that can move up and down are installed on the side panels. A glue spraying head is installed on the mounting seat, and a sliding groove is also provided on the mounting seat. Two groups of moving blocks are adapted to be installed in the sliding grooves, and the two groups of moving blocks are respectively connected with electric telescopic rods. The electric telescopic rods are used to drive the two groups of moving blocks to move closer or farther away. A gluing shaft is installed on the moving block, and a gluing roller is installed on the gluing shaft. A conveyor belt is also provided under the workbench, and racks are installed on both sides of the conveyor belt.

[0008] Optionally, the transmission components are respectively installed on both sides of the workbench, and the transmission components include two sets of sprockets fixedly installed on the workbench, a transmission chain is installed between the two sets of sprockets, a sliding block is fixedly connected to the transmission chain, a rotating shaft is connected between the sliding block and the frame, and the rotating shaft is powered by a driving motor. A mounting block is also installed on the transmission chain, a telescopic rod is installed on the mounting block, and the frame is also provided with a socket compatible with the telescopic rod for fixing the frame.

[0009] Optionally, a hydraulic lifting rod is installed on the workbench, and a supporting plate is installed on the hydraulic lifting rod, and the area of ​​the supporting plate is smaller than the internal area of ​​the frame.

[0010] Optionally, the side panel is equipped with upper and lower slide grooves adapted to the mounting seat, the top and bottom of the upper and lower slide grooves are respectively provided with mounting grooves, transmission wheels are respectively installed in the mounting grooves, transmission belts are installed on the transmission wheels, and the transmission belts are fixedly connected to the mounting seat.

[0011] Optionally, a clamping block is fixedly connected to the rear of the mounting seat, and the clamping block is fixedly connected to the transmission belt.

[0012] Optionally, a guide rail block is also installed on the mounting seat, and a guide rail groove adapted to the guide rail block is provided on the side panel.

[0013] Optionally, a material discharge port is provided at the rear of the workbench, and the material discharge port is arranged above the conveyor belt.

[0014] Optionally, a pressure switch is installed between the electric telescopic rod and the moving block to monitor the pressure between the glue coating roller and the plate.

[0015] The beneficial effects of the utility model are as follows: the holding plate is driven by multiple extrusion telescopic rods to clamp the plate from multiple directions, so that the plate is fixed inside the frame, and then the transmission component drives the frame to move under the glue coating roller, and then the frame rotates 90° so that the plate is vertical between the two groups of glue coating rollers, and the mounting seat moves downward, and the two groups of electric telescopic rods drive the two groups of glue coating rollers to hold the plate tightly, and the glue spraying head sprays glue on the plate, and the mounting seat moves up and down, driving the two groups of glue coating rollers to apply glue on the plate. After the coating is completed, the frame drives the plate to rotate 90° and transports the plate to the top of the conveyor belt, and the plate is placed on it. In order to prevent the glue of the plate from sticking to the conveyor belt, a single-sided glue-coated plate can be laid on the conveyor belt in advance. When single-sided glue is applied, the glue spraying nozzle on one side of the plate can spray glue, and the free choice of single-sided coating and double-sided coating can be realized, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of a double-sided coating device for plywood according to an embodiment of the utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of a double-sided coating device for plywood according to an embodiment of the utility model;

[0019] Figure 3 for Figure 2 A partial enlarged schematic diagram of part A;

[0020] Figure 4 This is a top view schematic diagram of a double-sided coating device for plywood according to an embodiment of the utility model;

[0021] Figure 5 for Figure 4 A schematic diagram of the enlarged local structure of part B;

[0022] Figure 6 for Figure 4 Schematic diagram of the enlarged local structure of part C in the middle.

[0023] The markings in the figure are:

[0024] 101. workbench; 102. sprocket; 103. transmission chain; 104. sliding block; 105. rotating shaft; 106. hydraulic lifting rod; 107. support plate; 108. mounting block; 109. telescopic plug rod; 110. side plate; 112. frame; 113. extrusion telescopic rod; 114. supporting plate; 115. driving motor; 201. gluing roller; 202. gluing shaft; 203. moving block; 204. electric telescopic rod; 205. mounting seat; 206. transmission wheel; 207. transmission belt; 208. guide rail block; 209. mounting groove; 210. clamping block; 301. frame; 302. conveyor belt. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0026] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] like Figures 1 to 6 As shown, the specific embodiment of the utility model provides a double-sided coating device for plywood, including a workbench 101, a conveying assembly is installed on the workbench 101, a frame 112 is rotatably installed on the conveying assembly, four inner side walls of the frame 112 are respectively installed with extrusion telescopic rods 113, the extrusion telescopic rods 113 are connected with abutment plates 114, the four abutment plates 114 cooperate with each other to clamp the plate, side plates 110 are respectively installed on both sides of the workbench 101, and mounting plates that can move up and down are installed on the side plates 110 The mounting seat 205 is provided with a glue spray head, and the mounting seat 205 is also provided with a sliding groove, in which two groups of moving blocks 203 are adapted to be installed, and the two groups of moving blocks 203 are respectively connected with electric telescopic rods 204, and the electric telescopic rods 204 are used to drive the two groups of moving blocks 203 to move closer or farther away, and a glue coating shaft 202 is installed on the moving block 203, and a glue coating roller 201 is installed on the glue coating shaft 202. A conveyor belt 302 is also provided under the workbench 101, and frames 301 are installed on both sides of the conveyor belt 302.

[0028] During the gluing process, the plate is placed in the frame 112, and then the multiple extrusion telescopic rods 113 are started. The multiple extrusion telescopic rods 113 drive the abutment plates 114 to clamp the plate from multiple directions, so that the plate is fixed inside the frame 112. Then the transmission component drives the frame 112 to move below the gluing roller 201, and then the frame 112 rotates 90 degrees, so that the plate is vertical between the two sets of gluing rollers 201, and the mounting seat 205 moves downward, and the two sets of electric telescopic rods 204 drive the two sets of gluing rollers 201 to abut the plate. Tighten, the glue spray head sprays glue on the plate, the mounting seat 205 moves up and down, driving the two sets of glue coating rollers 201 to apply glue on the plate. After the coating is completed, the frame 112 drives the plate to rotate 90° and transports the plate to the top of the conveyor belt 302, and places the plate on 302. In order to prevent the glue of the plate from adhering to the conveyor belt 302, a single-sided glue-coated plate can be laid on the conveyor belt in advance. When single-sided glue is applied, the glue spray nozzle on one side of the plate can spray glue, which can realize the free choice of single-sided coating and double-sided coating, saving costs.

[0029] In some optional specific embodiments, such as Figure 1-6 As shown, the transmission assembly is respectively installed on both sides of the workbench 101, and the transmission assembly includes two groups of sprockets 102 fixedly installed on the workbench 101, a transmission chain 103 is installed between the two groups of sprockets 102, a sliding block 104 is fixedly connected to the transmission chain 103, a rotating shaft 105 is connected between the sliding block 104 and the frame 112, and the rotating shaft 105 is connected to the driving motor 115, and a mounting block 108 is also installed on the transmission chain 103, and a telescopic plug rod 109 is installed on the mounting block 108. The frame 112 is also provided with a socket adapted to the telescopic plug rod 109 for fixing the frame 112. In use, the transmission chain 103 is driven to move by the rotation of the sprocket 102, the transmission chain 103 drives the sliding block 104 to move, the sliding block 104 drives the frame 112 to move, and the frame 112 is driven to rotate by the rotating shaft 105, and the telescopic plug rod 109 is used to be inserted into the socket to fix the frame 112.

[0030] In some optional specific embodiments, such as Figure 1-6 As shown, the workbench 101 is equipped with a hydraulic lifting rod 106, and a support plate 107 is installed on the hydraulic lifting rod 106. The area of ​​the support plate 107 is smaller than the inner area of ​​the frame 112. In use, a plate is placed on the support plate 107, and then the hydraulic lifting rod 106 is lifted to lift the support plate 107, so that the plate is placed in the center of the frame 112, and then the support plate 107 is lowered, so that the frame 112 can move smoothly.

[0031] In some optional specific embodiments, such as Figure 1-6As shown, the side plate 110 is provided with an upper and lower slide groove adapted to the mounting seat 205, and the top and bottom of the upper and lower slide grooves are respectively provided with mounting grooves 209, and driving wheels 206 are respectively installed in the mounting grooves 209, and a driving belt 207 is installed on the driving wheel 206, and the driving belt 207 is fixedly connected to the mounting seat 205. The movement of the driving belt 207 drives the mounting seat 205 to move up and down in the upper and lower slide grooves.

[0032] In some optional specific embodiments, such as Figure 1-6 As shown, a clamping block 210 is fixedly connected to the rear of the mounting seat 205 , and the clamping block 210 is fixedly connected to the transmission belt 207 .

[0033] In some optional specific embodiments, such as Figure 1-6 As shown, a guide rail block 208 is also installed on the mounting seat 205, and a guide rail groove adapted to the guide rail block 208 is provided on the side plate 110 to guide the mounting seat 205 to move up and down.

[0034] In some optional specific embodiments, such as Figure 1-6 As shown, a material discharge port is provided at the rear of the workbench 101, and the material discharge port is arranged above the conveyor belt 302 for material discharge.

[0035] In some optional specific embodiments, such as Figure 1-6 As shown, a pressure switch is installed between the electric telescopic rod 204 and the moving block 203 to monitor the pressure between the glue coating roller 201 and the plate. When the pressure reaches a certain level, the pressure switch is triggered to control the electric telescopic rod 204 to stop applying pressure.

[0036] The working principle of the utility model is as follows: during the gluing process, the plate is placed in the frame 112, and then the multiple extrusion telescopic rods 113 are started, and the multiple extrusion telescopic rods 113 drive the abutment plate 114 to clamp the plate from multiple directions, so that the plate is fixed inside the frame 112, and then the transmission component drives the frame 112 to move below the gluing roller 201, and then the frame 112 rotates 90 degrees, so that the plate is vertical between the two groups of gluing rollers 201, and the mounting seat 205 moves downward, and the two groups of electric telescopic rods 204 drive the two groups of gluing rollers 201 to move to the bottom of the gluing roller 201. The plate is pressed tightly, and the glue spray head sprays glue on the plate. The mounting seat 205 moves up and down, driving the two sets of glue coating rollers 201 to apply glue on the plate. After the coating is completed, the frame 112 drives the plate to rotate 90° and transports the plate to the top of the conveyor belt 302, and the plate is placed on 302. In order to prevent the glue of the plate from adhering to the conveyor belt 302, a single-sided glue-coated plate can be laid on the conveyor belt in advance. When single-sided glue is applied, the glue spray nozzle on one side of the plate can spray glue, and the free choice of single-sided coating and double-sided coating can be realized, saving costs.

[0037] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0038] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A double-sided coating device for plywood, comprising a workbench (101), on which a conveying assembly is mounted, characterized in that: A frame (112) is rotatably mounted on the conveying assembly, and extrusion telescopic rods (113) are respectively mounted on the four inner side walls of the frame (112), and the extrusion telescopic rods (113) are connected to a supporting plate (114), and the four supporting plates (114) cooperate with each other to clamp the plate, and side plates (110) are respectively mounted on both sides of the workbench (101), and a mounting seat (205) that can move up and down is mounted on the side plate (110), and a glue spray head is mounted on the mounting seat (205), and a mounting seat (205) is also mounted on the mounting seat (205). A sliding groove is provided, in which two groups of moving blocks (203) are adapted to be installed, the two groups of moving blocks (203) are respectively connected to electric telescopic rods (204), and the electric telescopic rods (204) are used to drive the two groups of moving blocks (203) to move closer or farther away, a gluing shaft (202) is installed on the moving block (203), and a gluing roller (201) is installed on the gluing shaft (202), and a conveyor belt (302) is also provided below the workbench (101), and racks (301) are installed on both sides of the conveyor belt (302).

2. A double-sided coating device for plywood according to claim 1, characterized in that: The transmission components are respectively installed on both sides of the workbench (101), and the transmission components include two groups of sprockets (102) fixedly installed on the workbench (101), a transmission chain (103) is installed between the two groups of sprockets (102), a sliding block (104) is fixedly connected to the transmission chain (103), a rotating shaft (105) is connected between the sliding block (104) and the frame (112), and the rotating shaft (105) is dynamically connected to a driving motor (115), a mounting block (108) is also installed on the transmission chain (103), a telescopic plug rod (109) is installed on the mounting block (108), and a socket matched with the telescopic plug rod (109) is provided on the frame (112) for fixing the frame (112).

3. The double-sided coating device for plywood according to claim 1, characterized in that: A hydraulic lifting rod (106) is installed on the workbench (101), and a support plate (107) is installed on the hydraulic lifting rod (106). The area of ​​the support plate (107) is smaller than the internal area of ​​the frame (112).

4. The double-sided coating device for plywood according to claim 1, characterized in that: The side plate (110) is provided with an upper and lower slide groove adapted to the mounting seat (205), the top and bottom of the upper and lower slide grooves are respectively provided with mounting grooves (209), driving wheels (206) are respectively installed in the mounting grooves (209), a driving belt (207) is installed on the driving wheel (206), and the driving belt (207) is fixedly connected to the mounting seat (205).

5. The double-sided coating device for plywood according to claim 1, characterized in that: A clamping block (210) is fixedly connected to the rear of the mounting seat (205), and the clamping block (210) is fixedly connected to the transmission belt (207).

6. The double-sided coating device for plywood according to claim 1, characterized in that: A guide rail block (208) is also installed on the mounting seat (205), and a guide rail groove matching the guide rail block (208) is provided on the side plate (110).

7. The double-sided coating device for plywood according to claim 1, characterized in that: A material discharge port is provided at the rear of the workbench (101), and the material discharge port is arranged above the conveyor belt (302).

8. The double-sided coating device for plywood according to claim 1, characterized in that: A pressure switch is installed between the electric telescopic rod (204) and the moving block (203) to monitor the pressure between the glue coating roller (201) and the plate.

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