Pressing device for laminated plywood production

By designing a pressing device for the production of laminated plywood, the problem of uneven glue filling was solved by using the reciprocating motion of the upper pressure plate and the adjustment of the fixed clamping plate by a servo motor. This achieved a tight bond between the laminate and the plywood and a stable pressing process, thus improving product quality.

CN223918216UActive Publication Date: 2026-02-17GUANGDONG YUCHEN YUANCHUANG ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423321951.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-17
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In existing pressing equipment, the adhesive is difficult to effectively fill the tiny gaps between the film and the plywood during the pressing operation, resulting in weak bonding and affecting product quality.

Method used

A pressing device comprising a guide rod, a support plate, a slide groove, a rack, a drive motor, a cylinder, and an extrusion block is designed. By reciprocating left and right movements of the upper pressure plate and adjusting the fixing clamp with a servo motor, the adhesive can be evenly filled and tightly bonded, thereby improving the pressing effect.

Benefits of technology

This achieves a tight, all-around bond between the laminate and the plywood, improving the quality and stability of the pressing process, avoiding damage to the boards caused by excessive impact, and ensuring the precision and stability of the pressing process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223918216U_ABST
    Figure CN223918216U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of plywood production, and particularly relates to a pressing device for laminated plywood production, which comprises a supporting plate, a sliding groove is arranged in the top side of the supporting plate, a sliding block is slidably mounted in the sliding groove, a rack is mounted on the top side of the sliding block, and a driving motor is mounted on the top side of a supporting column. A gear is installed at the output end of the driving motor, extrusion blocks are installed on the two sides of the sliding block, and contactors are installed on the inner walls of the two sides of the sliding groove. The output end of the driving motor drives the gear to rotate, rotation of the gear is converted into linear motion of the rack, the rack drives the sliding block to slide in the sliding groove, the extrusion blocks on the two sides of the sliding block move along with the sliding block, when the extrusion blocks touch the contactors, the contactors send signals to the control panel, the control panel controls the driving motor to rotate reversely, and the sliding block drives the upper pressing plate to move reversely. And left-right reciprocating motion of the upper pressing plate on the surface of the plywood is achieved, it is guaranteed that the covering film and the plywood are tightly attached in all directions, and the pressing quality is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to plywood production technical field, concretely is a kind of pressing device for laminated plywood production. BACKGROUND

[0002] Laminated plywood is a kind of board material with a layer of film on the surface of ordinary plywood, in the production process of laminated plywood, the glue between plywood and film needs to be tightly adhered through pressing operation, so a pressing device needs to be used.

[0003] A kind of pressing device for plywood production and processing is disclosed in one Chinese patent with authorized announcement number CN219311521U, including workbench and the placement plate being set on workbench, spring is fixed between workbench and placement plate, workbench is symmetrically provided with steering block, the connecting rope passing through steering block is fixed on the both sides of placement plate;By setting the spring that can drive placement plate to rotate between workbench and placement plate, the processed plywood can slide along the surface of inclined placement plate, to realize the purpose of automatic unloading;Meanwhile, it can support placement plate, improve the stability of placement plate during pressing process of plywood, also can make the alignment of both sides of plywood, prevent its position from deviating.

[0004] But the pressing device still has some problems, in actual application, the upper pressing plate usually directly vertically downward pressing operation, so that the glue cannot be well filled in the small gap between film and plywood due to lack of horizontal force, leading to the adhesion of film and plywood not firm, affect the product quality of plywood;Therefore, aiming at the above problems, a kind of pressing device for laminated plywood production is proposed. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of prior art, solve the problems proposed in the background art, the utility model provides a kind of pressing device for laminated plywood production.

[0006] The utility model solves its technical problem adopts the technical scheme that the utility model discloses a kind of pressing device for film laminated plywood production, including bottom plate, the top side four corners position of the bottom plate is fixedly installed with guide rod the top side of the guide rod is jointly installed with support plate, the top side inside of the support plate is equipped with sliding slot, the inside of the sliding slot is slidably installed with sliding block, the top side of the sliding block is installed with rack, the top side of the support plate is installed with support column, the top side of the support column is installed with driving motor, the output of the driving motor is installed with gear, the gear and rack are mutually engaged, the both sides of the sliding block are installed with extrusion block, the both sides inner wall of the sliding slot is installed with contactor, the contactor is respectively used to control the forward rotation and reverse rotation of driving motor, the bottom side of the sliding block is installed with cylinder, the acting end of the cylinder is installed with pressing assembly, when being pressed, it is realized that upper pressing plate reciprocates left and right, so that glue can better fill the gap between film and plywood, improve pressing effect.

[0007] Preferably, the pressing assembly includes a mounting plate fixedly installed at the bottom side of the acting end of the cylinder, a damping rod slidably penetratingly installed at the inside of both ends of the mounting plate, a limit block installed at the top side of the damping rod, an upper pressing plate commonly installed at the bottom end of the damping rod, two springs fixedly connected between the upper pressing plate and the mounting plate, and the spring is respectively sleeved on the outside of the damping rod, which plays a buffering role to avoid excessive impact force on the plywood.

[0008] Preferably, a lower pressing plate is installed at the top side of the bottom plate, wherein an installation slot is formed in the inside of the upper pressing plate and the lower pressing plate, and five electric heating wires are assembled in the inside of the installation slot to provide heat pressing function, improve pressing effect and plywood quality.

[0009] Preferably, a servo motor is installed at one side of the bottom plate, a bidirectional screw rod is installed at the output end of the servo motor, two slide rails are symmetrically formed at the top side of the bottom plate, a sliding block is slidably installed in the inside of the slide rail, a screw hole is formed in the inside of the sliding block, one end of the bidirectional screw rod penetrates through the screw hole and is rotatably installed at the inner wall of one side of the slide rail, a connecting rod is installed at the top side of the sliding block, and a fixed clamping plate is fixedly connected to one end of the connecting rod to fix the plywood of different sizes and improve the stability during pressing process.

[0010] Preferably, the height of the position of the fixed clamping plate is at the same horizontal line with the top side of the lower pressing plate, and the height of the fixed clamping plate is less than the thickness of the plywood, so that the normal pressing operation is not affected.

[0011] Preferably, one side of the bottom plate is provided with a control panel, which is electrically connected with the contactor, the driving motor and other electrical elements in the device, wherein the control panel is used for signal transmission of the contactor and operation control of the driving motor and other electrical elements in the device, thereby improving the automation degree of the device and facilitating operation and control.

[0012] The utility model has the advantages that:

[0013] 1. After the upper pressing plate contacts the plywood, the driving motor is turned on, the driving motor output end drives the gear to rotate, the rotation of the gear is converted into the linear motion of the rack, the rack drives the sliding block to slide in the sliding groove, the two side extrusion blocks move, when the extrusion blocks touch the contactor, the contactor sends a signal to the control panel, the control panel controls the driving motor to reverse, the sliding block reverses with the upper pressing plate, the upper pressing plate realizes reciprocating motion on the surface of the plywood, ensures that the film is closely attached to the plywood in all directions, and improves the pressing quality.

[0014] 2. The utility model starts the servo motor, the servo motor drives the bidirectional screw rod to rotate, so that the two sliding blocks move towards each other or away from each other along the slide rails respectively, the distance between the two fixed clamping plates is adjusted, the fixed clamping plate tightly clamps the two sides of the plywood, the height of the fixed clamping plate is flush with the top side of the lower pressing plate and lower than the thickness of the plywood, which can stably fix the plywood without affecting the subsequent pressing operation, ensures that the plywood does not shift during subsequent pressing, and improves the pressing stability and accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of the drawings.

[0016] Figure 1 It is a medium shaft side view structure schematic view in the utility model;

[0017] Figure 2 It is a pressing device main body structure schematic view;

[0018] Figure 3 It is a pressing device driving upper pressing plate reciprocating motion assembly structure schematic view;

[0019] Figure 4 It is a pressing device buffer assembly structure schematic view;

[0020] Figure 5 It is a plywood fixing assembly structure schematic view in the pressing device.

[0021] In the figure: 1, the base plate; 2, guide rod; 3, support plate; 4, sliding groove; 5, sliding block; 6, rack; 7, support column; 8, drive motor; 9, gear; 10, extrusion block; 11, contactor; 12, cylinder; 13, mounting plate; 14, damping rod; 15, limit block; 16, upper pressing plate; 17, spring; 18, lower pressing plate; 19, mounting groove; 20, heating wire; 21, servo motor; 22, bidirectional screw; 23, sliding rail; 24, sliding block; 25, connecting rod; 26, fixed clamping plate; 27, control panel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 As shown in the figure, a kind of laminating device for veneer plywood production, including base plate 1, the top side four corners position of the base plate 1 is fixedly installed with guide rod 2, the top side of the guide rod 2 is jointly installed with support plate 3, the top side inside of the support plate 3 is equipped with sliding groove 4, the inside of the sliding groove 4 is slidably installed with sliding block 5, the top side of the sliding block 5 is installed with rack 6, the top side of the support plate 3 is installed with support column 7, the top side of the support column 7 is installed with drive motor 8, the output end of the drive motor 8 is installed with gear 9, the gear 9 and rack 6 are mutually engaged, the both sides of the sliding block 5 are installed with extrusion block 10, the both sides inner walls of the sliding groove 4 are installed with contactor 11, the contactor 11 is used to control drive motor 8 respectively positive rotation and reverse rotation, the bottom side of the sliding block 5 is installed with cylinder 12, the acting end of the cylinder 12 is installed with pressing assembly;

[0024] The pressing assembly includes mounting plate 13, the mounting plate 13 is fixedly installed at the acting end bottom side of cylinder 12, the both ends inside of the mounting plate 13 are slidably penetrated and installed with damping rod 14, the top side of the damping rod 14 is installed with limit block 15, the bottom end of the damping rod 14 is jointly installed with upper pressing plate 16, two springs 17 are fixedly connected between the upper pressing plate 16 and mounting plate 13, the spring 17 is respectively set on the outside of damping rod 14;

[0025] The top side of the bottom plate 1 is provided with a lower pressing plate 18, wherein the interiors of the upper pressing plate 16 and the lower pressing plate 18 are both provided with mounting grooves 19, and the interiors of the mounting grooves 19 are both equipped with five electric heating wires 20; one side of the bottom plate 1 is provided with a control panel 27; during operation, the upper pressing plate 16 usually directly vertically downwardly performs pressing operation in actual application, so that the glue cannot well fill the tiny gap between the film and the plywood due to lack of horizontal force, the film and the plywood are not firmly bonded, the product quality of the plywood is affected, the electric heating wires 20 are turned on, the upper pressing plate 16 and the lower pressing plate 18 are heated to a set temperature, the glue is softened and the flowability is enhanced, the gap between the film and the plywood is better filled during pressing, the bonding effect is improved, at the same time, the air cylinder 12 is started, the acting end of the air cylinder 12 pushes the mounting plate 13 to move downwardly, the upper pressing plate 16 gradually approaches and contacts the plywood, in this process, the damping rod 14 slides in the mounting plate 13, the spring 17 is compressed and starts to accumulate elastic potential energy, plays a buffering role, avoids damage to the plate or affects the pressing effect due to excessive impact force when the upper pressing plate 16 contacts the plywood;

[0026] After the upper pressing plate 16 contacts the plywood, the driving motor 8 is turned on, the output end of the driving motor 8 drives the gear 9 to rotate, since the gear 9 and the rack 6 are mutually engaged, the rotation of the gear 9 is converted into the linear motion of the rack 6, the rack 6 drives the sliding block 5 to slide in the sliding groove 4, the extrusion blocks 10 on both sides of the sliding block 5 move along with it, when the extrusion blocks 10 touch the contactor 11, the contactor 11 sends a signal to the control panel 27, the control panel 27 controls the driving motor 8 to reverse, the sliding block 5 reversely moves with the upper pressing plate 16, such reverse movement is repeated, the left and right reciprocating motion of the upper pressing plate 16 on the surface of the plywood is realized, on one hand, the glue fills the gap in the vertical direction and removes air, on the other hand, the left and right reciprocating motion makes the glue more evenly spread in the horizontal direction and extrudes more air, ensures that the film and the plywood are closely attached in all directions, improves the pressing quality, wherein the specific model of the contactor 11 is LC1-D09.

[0027] Please refer to Figure 1 、 2As shown in FIGS. 5, a servo motor 21 is mounted on one side of the bottom plate 1, a bidirectional screw rod 22 is mounted at the output end of the servo motor 21, two slide rails 23 are symmetrically formed on the top side of the bottom plate 1, a sliding block 24 is slidably mounted in each of the slide rails 23, a screw hole is formed in the inside of each of the sliding blocks 24, one end of the bidirectional screw rod 22 penetrates through the screw hole and is rotatably mounted on the inner wall of the slide rail 23, a connecting rod 25 is mounted on the top side of the sliding block 24, a fixed clamping plate 26 is fixedly connected to one end of the connecting rod 25, the fixed clamping plate 26 is located at the same horizontal line as the top side of the lower pressing plate 18, and the height of the fixed clamping plate 26 is less than the thickness of the plywood; during operation, the laminated plywood is a kind of board material with a thin film on the surface of the ordinary plywood, and during the production process of the laminated plywood, the glue between the plywood and the film needs to be tightly bonded through the pressing operation; in order to ensure that the plywood can be stably pressed, the plywood to be pressed is placed on the lower pressing plate 18, the servo motor 21 is started, the servo motor 21 drives the bidirectional screw rod 22 to rotate, so that the two sliding blocks 24 move towards or away from each other along the slide rails 23, the distance between the two fixed clamping plates 26 is adjusted, the fixed clamping plates 26 tightly clamp the two sides of the plywood, the height of the fixed clamping plates 26 is flush with the top side of the lower pressing plate 18 and lower than the thickness of the plywood, which can stably fix the plywood without affecting the subsequent pressing operation, ensures that the plywood will not be displaced during the subsequent pressing, and improves the pressing stability and accuracy.

[0028] Working principle: the plywood to be pressed is placed on the lower pressing plate 18, the servo motor 21 is started, the servo motor 21 drives the bidirectional screw rod 22 to rotate, so that the two sliding blocks 24 move towards or away from each other along the slide rails 23, the distance between the two fixed clamping plates 26 is adjusted, the fixed clamping plates 26 tightly clamp the two sides of the plywood, the height of the fixed clamping plates 26 is flush with the top side of the lower pressing plate 18 and lower than the thickness of the plywood, which can stably fix the plywood without affecting the subsequent pressing operation, ensures that the plywood will not be displaced during the subsequent pressing, and improves the pressing stability and accuracy;

[0029] The electric heating wire 20 is turned on, the upper pressing plate 16 and the lower pressing plate 18 are heated to the set temperature, the glue is softened and the flowability is enhanced, which is beneficial to better fill the gap between the film and the plywood during pressing and improve the bonding effect, and at the same time, the air cylinder 12 is started, the acting end of the air cylinder 12 pushes the mounting plate 13 to move downward, the upper pressing plate 16 gradually approaches and contacts the plywood, in this process, the damping rod 14 slides in the mounting plate 13, the spring 17 is compressed and starts to accumulate elastic potential energy, plays a buffering role, avoids damage to the board or affects the pressing effect due to excessive impact force when the upper pressing plate 16 contacts the plywood;

[0030] After the upper pressing plate 16 contacts with the plywood, the driving motor 8 is turned on, the driving motor 8 drives the gear 9 to rotate, the rotation of the gear 9 is converted into the linear motion of the rack 6 due to the meshing of the gear 9 and the rack 6, the rack 6 drives the sliding block 5 to slide in the sliding groove 4, the extrusion blocks 10 on both sides of the sliding block 5 move accordingly, when the extrusion blocks 10 touch the contactor 11, the contactor 11 sends a signal to the control panel 27, the control panel 27 controls the driving motor 8 to reverse, the sliding block 5 reversely moves with the upper pressing plate 16, so as to realize the reciprocating motion of the upper pressing plate 16 on the surface of the plywood, on the one hand, the glue fills the gap in the vertical direction and removes the air, on the other hand, the reciprocating motion makes the glue spread more uniformly in the horizontal direction and extrudes more air, so as to ensure that the film is closely attached to the plywood in all directions and improve the pressing quality.

[0031] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, the above embodiments and descriptions in the specification are only to illustrate the principles of the present application, without departing from the spirit and scope of the present application, the present application can have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A pressing device for producing laminated plywood, characterized in that: The system includes a base plate (1), with guide rods (2) fixedly installed at the four corners of the top side of the base plate (1). A support plate (3) is installed on the top side of the guide rods (2). A groove (4) is provided inside the top side of the support plate (3). A slider (5) is slidably installed inside the groove (4). A rack (6) is installed on the top side of the slider (5). A support column (7) is installed on the top side of the support plate (3). A drive motor is installed on the top side of the support column (7). (8) A gear (9) is installed at the output end of the drive motor (8), and the gear (9) meshes with the rack (6). An extrusion block (10) is installed on both sides of the slider (5). A contactor (11) is installed on the inner wall of both sides of the slide groove (4). The contactor (11) is used to control the forward and reverse rotation of the drive motor (8). A cylinder (12) is installed on the bottom side of the slider (5), and a pressing component is installed on the working end of the cylinder (12).

2. The pressing device for producing coated plywood according to claim 1, characterized in that: The pressing assembly includes a mounting plate (13), which is fixedly installed on the bottom side of the working end of the cylinder (12). A damping rod (14) is slidably installed inside both ends of the mounting plate (13). A limit block (15) is installed on the top side of the damping rod (14). An upper pressure plate (16) is installed at the bottom end of the damping rod (14). Two springs (17) are fixed between the upper pressure plate (16) and the mounting plate (13). The springs (17) are respectively sleeved on the outside of the damping rod (14).

3. The pressing device for producing coated plywood according to claim 1, characterized in that: A lower pressure plate (18) is installed on the top side of the base plate (1), wherein the upper pressure plate (16) and the lower pressure plate (18) are both provided with mounting grooves (19), and five heating wires (20) are installed inside the mounting grooves (19).

4. A pressing device for producing coated plywood according to claim 3, characterized in that: A servo motor (21) is installed on one side of the base plate (1). A bidirectional screw (22) is installed at the output end of the servo motor (21). Two slide rails (23) are symmetrically opened on the top side of the base plate (1). Sliding blocks (24) are slidably installed inside each slide rail (23). Screw holes are opened inside each sliding block (24). One end of the bidirectional screw (22) passes through the screw hole and is rotatably installed on the inner wall of one side of the slide rail (23). A connecting rod (25) is installed on the top side of the sliding block (24). A fixing clamp (26) is fixedly connected to one end of the connecting rod (25).

5. A pressing device for producing coated plywood according to claim 4, characterized in that: The fixed clamp (26) is positioned at the same horizontal level as the top side of the lower pressure plate (18), and the height of the fixed clamp (26) is less than the thickness of the plywood.

6. A pressing device for producing coated plywood according to claim 5, characterized in that: A control panel (27) is mounted on one side of the base plate (1). The control panel (27) is electrically connected to the contactor (11), the drive motor (8), and other electrical components in the device. It is used for signal transmission of the contactor (11) and operation control of the drive motor (8) and other electrical components in the device.

Citation Information

Patent Citations

  • Pressing device for plywood production and processing

    CN219311521U