Multi-layer plywood hot press capable of achieving rapid forming

Abstract

The utility model relates to the technical field of hot presses, and provides a rapid prototyping multilayer plywood hot press which comprises a bottom plate and an outer frame, the outer frame is fixed on the bottom plate, stand columns are fixed at two ends of the surface of the bottom plate, a multilayer hot pressing assembly is arranged on the stand columns and the outer frame, and a cooling assembly is arranged on the bottom plate. The connecting columns are vertically and evenly fixed to the surfaces of the stand columns and the outer frame downwards, sleeve frames are arranged on the side end faces of the connecting columns, sliding way grooves are formed in the side end faces of the sleeve frames, and lower hot pressing plates are slidably connected into the sliding way grooves. By means of the technical scheme, the problems that in the related technology, when plywood is produced, due to the fact that thermosetting glue is smeared between the slabs, the thermosetting glue has flowability, when the slabs are extruded, the adjacent slabs can deviate, the edge of the produced plywood is poor in regularity, the material is loose, the strength is not high, and the quality of the plywood is affected are solved. And therefore, the produced plywood cannot meet the process requirements of plate use.

Description

Technical Field

[0001] The utility model relates to the technical field of hot presses, and more specifically, to a multi-layer plywood hot press for rapid prototyping. Background Art

[0002] The plywood hot press is one of the main equipment in the plywood production process and is used to hot-press and glue the glued combined board blanks. It can be divided into periodic and continuous types according to the operation mode, and the commonly used one in China is the periodic multi-layer hot press.

[0003] However, when producing plywood, since thermosetting glue is applied between the board blanks and the thermosetting glue has fluidity, when the board blanks are extruded, the adjacent board blanks will shift, resulting in poor neatness at the edge parts of the produced plywood, loose material, and low strength, thus making the produced plywood unable to meet the process requirements for board use. Further, end trimming treatment needs to be carried out later, reducing the working efficiency of plywood production and increasing the labor burden of workers.

[0004] Therefore, improvements are made to address the above problems. Summary of the Utility Model

[0005] The utility model provides a multi-layer plywood hot press for rapid prototyping, which solves the problem in the related art that when producing plywood, since thermosetting glue is applied between the board blanks and the thermosetting glue has fluidity, when the board blanks are extruded, the adjacent board blanks will shift, resulting in poor neatness at the edge parts of the produced plywood, loose material, and low strength, thus making the produced plywood unable to meet the process requirements for board use.

[0006] The technical solution of the utility model is as follows: It includes

[0007] a bottom plate and an outer frame, and the outer frame is fixed on the bottom plate;

[0008] a pair of columns and a multi-layer hot pressing component. The columns are fixed at both ends of the surface of the bottom plate, and the multi-layer hot pressing component is arranged on the columns and the outer frame;

[0009] a cooling and temperature reduction component, and the cooling and temperature reduction component is arranged on the bottom plate;

[0010] The multi-layer hot pressing component includes a number of connecting columns. The connecting columns are vertically and uniformly fixed on the surfaces of the columns and the outer frame. A sleeve is arranged on the side end surface of the connecting column, and a slideway groove is opened on the side end surface of the sleeve. A lower hot pressing plate is slidably connected in the slideway groove.

[0011] As a further technical solution, a cross bar is fixed between the upright column and the outer frame. A pressing hydraulic cylinder is fixedly connected to the bottom of the cross bar. The output end of the pressing hydraulic cylinder is connected to an outer plate, and a vertical plate is fixed to the side end face of the outer plate.

[0012] As a further technical solution, a plurality of upper hot pressing plates are fixedly connected between the vertical plates. A pair of reinforcing rods are fixed to the surface of the outer frame. A driving lead screw is installed on the surface of the outer frame, and a driving motor is installed on the side surface of the outer frame. The output end of the driving motor is connected to the driving lead screw.

[0013] As a further technical solution, a fixing plate is connected to one end of the reinforcing rod and the driving lead screw. A moving rod is connected to the outside of the driving lead screw by thread fit. A plurality of long rods are arranged on the side end face of the moving rod, and one end of each long rod is fixedly connected to the end face of the lower hot pressing plate.

[0014] As a further technical solution, the cooling and temperature reduction assembly includes a fixing column. A rotating seat is rotatably connected to the fixing column. A cavity plate is fixedly connected to the side end face of the rotating seat, and a plurality of rectangular pipes are connected to the side surface of the cavity plate.

[0015] As a further technical solution, an air outlet is formed in the bottom surface of the rectangular pipe. The cavity plate is communicated with the rectangular pipe. A centrifugal fan is installed on the outer surface of the cavity plate. An air pipe is arranged at the output end of the centrifugal fan, and the air pipe is communicated with the cavity plate.

[0016] As a further technical solution, the rotating seat can rotate 90° to one side through the rotating connection with the fixing column.

[0017] As a further technical solution, the number of the rectangular pipes matches the number of the lower hot pressing plates, and the height of the rectangular pipes is higher than that of the lower hot pressing plates.

[0018] As a further technical solution, the overall length of the long rod is shorter than the stroke length of the slideway groove.

[0019] The working principle and beneficial effects of the present utility model are as follows:

[0020] In the present utility model, a multi-layer hot pressing assembly is provided. Through the interaction of structures such as a sleeve frame, a slideway groove, a lower hot pressing plate, a pressing hydraulic cylinder, an upper hot pressing plate, a driving lead screw, and a long rod, and by installing a plurality of lower hot pressing plates in cooperation with the upper hot pressing plates, the pressing of multiple plywood boards can be completed at one time. After pressing, it can move horizontally outwards. During the moving process, in cooperation with the cooling and temperature reduction assembly, the temperature of the plywood boards can be restored to a safe state. Under the synchronous hot pressing of multiple plywood boards, the states of all plywood boards can be kept consistent, and problems such as deviation will not occur. Moreover, the pressing efficiency is high, and it has good use effects and practicability. Brief Description of the Drawings

[0021] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0022] Figure 1 It is a schematic structural diagram of the present utility model;

[0023] Figure 2 It is an axonometric drawing of the present utility model;

[0024] Figure 3 It is a sectional view of the present utility model;

[0025] In the figure: 1, bottom plate; 2, outer frame; 3, column; 4, multi-layer hot pressing assembly; 4-1, connecting column; 4-2, sleeve; 4-3, slideway groove; 4-4, lower hot pressing plate; 4-5, cross bar; 4-6, pressing hydraulic cylinder; 4-7, outer plate; 4-8, vertical plate; 4-9, upper hot pressing plate; 4-10, reinforcing rod; 4-11, driving lead screw; 4-12, driving motor; 4-13, fixing plate; 4-14, moving rod; 4-15, long rod; 5, cooling and temperature reduction assembly; 5-1, fixed column; 5-2, rotating seat; 5-3, cavity plate; 5-4, rectangular pipe; 5-5, air outlet; 5-6, centrifugal fan; 5-7, air pipe. Specific Embodiments

[0026] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] As Figures 1 to 3 shown, this embodiment proposes a multi-layer plywood hot press for rapid prototyping, including

[0028] a bottom plate 1 and an outer frame 2, and the outer frame 2 is fixed on the bottom plate 1;

[0029] a pair of columns 3 and a multi-layer hot pressing assembly 4, the columns 3 are fixed at both ends of the surface of the bottom plate 1, and the multi-layer hot pressing assembly 4 is arranged on the columns 3 and the outer frame 2;

[0030] a cooling and temperature reduction assembly 5, and the cooling and temperature reduction assembly 5 is arranged on the bottom plate 1;

[0031] The multi-layer hot pressing assembly 4 includes a number of connecting columns 4-1. The connecting columns 4-1 are vertically and uniformly fixed on the surfaces of the vertical columns 3 and the outer frame 2. A sleeve 4-2 is provided on the side end face of the connecting column 4-1. A slideway groove 4-3 is formed on the side end face of the sleeve 4-2. A lower hot pressing plate 4-4 is slidably connected in the slideway groove 4-3. A cross bar 4-5 is fixed between the vertical column 3 and the outer frame 2. A pressing hydraulic cylinder 4-6 is fixedly connected to the bottom of the cross bar 4-5. The output end of the pressing hydraulic cylinder 4-6 is connected to an outer plate 4-7. A vertical plate 4-8 is fixed to the side end face of the outer plate 4-7. A number of upper hot pressing plates 4-9 are fixedly connected between the vertical plates 4-8. A pair of reinforcing rods 4-10 are fixed on the surface of the outer frame 2. A driving lead screw 4-11 is installed on the surface of the outer frame 2. A driving motor 4-12 is installed on the side surface of the outer frame 2. The output end of the driving motor 4-12 is connected to the driving lead screw 4-11. One end of the reinforcing rod 4-10 and the driving lead screw 4-11 are connected to a fixing plate 4-13. A moving rod 4-14 is threadedly engaged with the outside of the driving lead screw 4-11. A number of long rods 4-15 are provided on the side end face of the moving rod 4-14. One end of the long rod 4-15 is fixedly connected to the end face of the lower hot pressing plate 4-4.

[0032] In this embodiment, in order to achieve the effect of simultaneously pressing multiple layers of plywood, a multi-layer hot pressing assembly 4 is designed. Multiple horizontally structured sleeves 4-2 are provided on the side end faces of the vertical columns 3 and the outer frame 2. A slideway groove 4-3 is formed on the end face of the sleeve 4-2. A lower hot pressing plate 4-4 is slidably connected in the slideway groove 4-3. The lower hot pressing plate 4-4 can move within the slideway groove 4-3. A cross bar 4-5 is connected between the outer frame 2 and the vertical column 3. A pressing hydraulic cylinder 4-6 is installed on the cross bar 4-5. The output end of the pressing hydraulic cylinder 4-6 is connected to the same number of upper hot pressing plates 4-9 as the lower hot pressing plate 4-4 through the outer plate 4-7 and the vertical plate 4-8. Thermal pressing and shaping can be carried out by controlling the pressing hydraulic cylinder 4-6. A reinforcing rod 4-10 and a driving lead screw 4-11 are installed on the outer frame 2. A driving motor 4-12 is installed on the other side. The driving motor 4-12 is used to control the rotation of the driving lead screw 4-11. A vertically structured moving rod 4-14 is connected to the driving lead screw 4-11. A number of long rods 4-15 are provided on the surface of the moving rod 4-14. The long rods 4-15 are all connected to the lower hot pressing plate 4-4. After hot pressing and forming, the lower hot pressing plate 4-4 can be moved outwards by controlling the driving lead screw 4-11, which can cooperate with cooling and loading and unloading of materials.

[0033] Further, the cooling component 5 includes a fixed column 5-1, a rotating seat 5-2 is rotatably connected to the fixed column 5-1, a cavity plate 5-3 is fixedly connected to the side end face of the rotating seat 5-2, a plurality of rectangular pipes 5-4 are connected to the side surface of the cavity plate 5-3, an air outlet 5-5 is formed in the bottom surface of the rectangular pipe 5-4, the cavity plate 5-3 is communicated with the rectangular pipe 5-4, a centrifugal fan 5-6 is installed on the outer surface of the cavity plate 5-3, an air pipe 5-7 is arranged at the output end of the centrifugal fan 5-6, and the air pipe 5-7 is communicated with the cavity plate 5-3.

[0034] In this embodiment, in order to achieve the effect of cooling the formed plywood, the cooling component 5 is designed. A fixed column 5-1 is arranged on the surface of the bottom plate 1, the top of the fixed column 5-1 is rotatably connected to a rotating seat 5-2, a cavity plate 5-3 is connected to one side of the rotating seat 5-2, a centrifugal fan 5-6 and an air pipe 5-7 are installed on the surface of the cavity plate 5-3. The centrifugal fan 5-6 can send air into the cavity plate 5-3. A plurality of rectangular pipes 5-4 with air outlets 5-5 are installed on the surface of the cavity plate 5-3. The air blown out from the air blowing ports can cool the plywood during the discharging process, and it can avoid scalding the operating workers due to excessive temperature during blanking.

[0035] Further, the rotating seat 5-2 can rotate 90° to one side through the rotating connection with the fixed column 5-1.

[0036] In this embodiment, through the 90° rotation angle of the rotating seat 5-2, it is convenient to move the rectangular pipe 5-4 away after the cooling during feeding and blanking, which is more convenient for operation.

[0037] Further, the number of the rectangular pipes 5-4 matches the number of the lower hot pressing plates 4-4, and the height of the rectangular pipe 5-4 is higher than that of the lower hot pressing plate 4-4.

[0038] In this embodiment, it is ensured that each plywood during discharging can be blown and cooled, and the cooling is one-to-one and targeted, and the effect is better.

[0039] Further, the overall length of the long rod 4-15 is shorter than the stroke length of the slideway groove 4-3.

[0040] In this embodiment, when the long rod 4-15 pushes the lower hot pressing plate 4-4, it will not come out of the slideway groove 4-3.

[0041] When processing is required, place the plywood to be laminated on the lower hot pressing plate 4-4. After placing all of them, start the driving motor 4-12, control the moving frame through the driving lead screw 4-11, and cooperate with the long rod 4-15 to move the lower hot pressing plate 4-4 back to its original position. After resetting, start the lamination hydraulic cylinder 4-6, push the upper hot pressing plate 4-9 downward to cooperate with the lower hot pressing plate 4-4 for lamination and shaping. During the process, push the rotating seat 5-2 to move the rectangular pipeline 5-4 to the discharging position. When discharging, start the centrifugal fan 5-6, and the air outlet 5-5 blows air on the plywood for cooling. After cooling is completed, rotate the rotating seat 5-2 back to its original position, and finally take away the plywood.

[0042] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A rapid prototyping multi-layer plywood hot press, characterized in that: include A bottom plate (1) and an outer frame (2), wherein the outer frame (2) is fixed on the bottom plate (1); A pair of columns (3) and a multi-layer hot pressing assembly (4), wherein the columns (3) are fixed at both ends of the surface of the bottom plate (1), and the multi-layer hot pressing assembly (4) is arranged on the columns (3) and the outer frame (2); A cooling component (5), wherein the cooling component (5) is arranged on the base plate (1); The multi-layer hot pressing assembly (4) comprises a plurality of connecting columns (4-1), wherein the connecting columns (4-1) are evenly fixed vertically downward on the surfaces of the upright columns (3) and the outer frame (2), and a sleeve frame (4-2) is arranged on the side end surface of the connecting column (4-1), and a slide groove (4-3) is opened on the side end surface of the sleeve frame (4-2), and a lower hot pressing plate (4-4) is slidably connected in the slide groove (4-3).

2. A rapid prototyping multi-layer plywood hot press according to claim 1, characterized in that: A cross bar (4-5) is fixed between the upright column (3) and the outer frame (2); a pressing hydraulic cylinder (4-6) is fixedly connected to the bottom of the cross bar (4-5); an output end of the pressing hydraulic cylinder (4-6) is connected to an outer plate (4-7); and a vertical plate (4-8) is fixed to the side end surface of the outer plate (4-7).

3. A rapid prototyping multi-layer plywood hot press according to claim 2, characterized in that: A plurality of upper hot pressing plates (4-9) are fixedly connected between the vertical plates (4-8), a pair of reinforcing rods (4-10) are fixed on the surface of the outer frame (2), a driving screw (4-11) is installed on the surface of the outer frame (2), a driving motor (4-12) is installed on the side surface of the outer frame (2), and an output end of the driving motor (4-12) is connected to the driving screw (4-11).

4. A rapid prototyping multi-layer plywood hot press according to claim 3, characterized in that: The reinforcing rod (4-10) and one end of the driving screw (4-11) are connected with a fixed plate (4-13); the driving screw (4-11) is externally connected with a moving rod (4-14) through threaded cooperation; a plurality of long rods (4-15) are arranged on the side end face of the moving rod (4-14); one end of the long rod (4-15) is fixedly connected to the end face of the lower hot pressing plate (4-4).

5. A rapid prototyping multi-layer plywood hot press according to claim 1, characterized in that: The cooling component (5) comprises a fixed column (5-1), a rotating seat (5-2) is rotatably connected to the fixed column (5-1), a cavity plate (5-3) is fixedly connected to the side end surface of the rotating seat (5-2), and a plurality of rectangular pipes (5-4) are connected to the side surface of the cavity plate (5-3).

6. A rapid prototyping multi-layer plywood hot press according to claim 5, characterized in that: An air outlet (5-5) is provided on the bottom surface of the rectangular duct (5-4); the cavity plate (5-3) is connected to the rectangular duct (5-4); a centrifugal fan (5-6) is installed on the outer surface of the cavity plate (5-3); an air pipe (5-7) is provided at the output end of the centrifugal fan (5-6); and the air pipe (5-7) is connected to the cavity plate (5-3).

7. A rapid prototyping multi-layer plywood hot press according to claim 5, characterized in that: The rotating seat (5-2) can be rotated 90 degrees to one side through the rotating connection with the fixed column (5-1).

8. A rapid prototyping multi-layer plywood hot press according to claim 6, characterized in that: The number of the rectangular pipes (5-4) matches the number of the lower hot pressing plate (4-4), and the height of the rectangular pipes (5-4) is higher than that of the lower hot pressing plate (4-4).

9. A rapid prototyping multi-layer plywood hot press according to claim 4, characterized in that: The overall length of the long rod (4-15) is shorter than the stroke length of the slideway groove (4-3).

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