A device for hot stamping wood boards in the production of solid wood doors

Abstract

The present invention provides a device for embossing wood boards for producing solid wood doors, belonging to the field of embossing processing technology. The device comprises a base, a liquid storage box, a lifting screw, and an air storage box. The upper end surface of the base is rotatably connected to the screw, and the left side of the upper end surface of the base is fixedly connected to a loading platform. The device also includes: a lifting mechanism, the lifting mechanism being provided on the side wall of the lifting screw; a mounting seat, the lower portion of the mounting seat having an electric ironing plate fixedly connected thereto, used for embossing the solid wood door placed on the loading platform; an air blowing mechanism, the air blowing mechanism comprising an extrusion plate, a spherical rod, an extrusion spring, an air blowing plate, and an air inlet pipe; and a paint spraying mechanism, the paint spraying mechanism comprising a piston plate, a return spring, a connecting column, a spray pipe, and a liquid inlet pipe. The invention achieves the functions of embossing and spraying glue on solid wood boards through the cooperation of the paint spraying mechanism and the lifting mechanism. The provision of the air blowing mechanism also enables the surface of the solid wood boards to be cleaned before and after embossing.

Description

Technical Field

[0001] The invention relates to the technical field of heat transfer processing, in particular to a device for heat transfer printing on wooden boards in the production of solid wooden doors. Background Art

[0002] Heat transfer, also known as pyrography, is a rare and precious art form in my country. The process for heat transfer on wood materials involves using a special electric soldering iron on the wood material (wood, bamboo, bark, etc.). By adjusting the heat level, pressure, and duration of the soldering iron, the material undergoes a color change, leaving traces of light, dark brown, and black on the surface. This creates a unique wood panel heat transfer style. Finally, a clear varnish is applied to protect the surface from moisture and mildew.

[0003] For example, the device for embossing wood boards for the production and processing of solid wood doors, disclosed in application number CN202011079028.0, relates to the field of heat transfer processing technology. The device comprises a fixed platform with two sets of fixed plates fixedly mounted on its top outer surface. Both sets of fixed plates have sliding grooves formed inside.

[0004] The above patent mainly adopts the method of using an external blower and exhaust pipe to burn the wood board and blow away the waste residue generated by the burnishing process after the solid wood door is burnished. Since the burnishing process takes a long time, the blower also needs to be turned on for a long time. When the blower is turned on, the wind will cause the temperature of the ironing plate to cool rapidly, resulting in poor branding effect. At the same time, the above device lacks the function of painting the surface of the solid wood board after the burnishing process is completed. If one end of the solid wood board is not painted for a period of time, the burnished part is very likely to cool and get damp, causing oxidation reaction, resulting in color difference in the burnished part, affecting the appearance of the solid wood door. Therefore, how to invent a burnishing device for solid wood door production to improve these problems has become an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0005] In order to make up for the above shortcomings, the present invention provides a wood board embossing device for solid wood doors, which aims to improve the problems that the existing embossing device lacks the ability to paint and moisture-proof the surface of the solid wood board after the embossing is completed, and requires the use of a blower to blow air on the embossing grooves of the solid wood board.

[0006] The present invention is achieved in that:

[0007] The present invention provides a device for embossing wood boards in the production of solid wood doors, comprising a base, a liquid storage box, a lifting screw and an air storage box, wherein the upper end surface of the base is rotatably connected to the screw, and the left side of the upper end surface of the base is fixedly connected to a loading platform, and further comprising:

[0008] A lifting mechanism is provided on the side wall of the lifting screw, and the lifting mechanism is used to change the position height of the liquid storage box;

[0009] A mounting seat, wherein an electric ironing plate is fixedly connected to the lower portion of the inner cavity of the mounting seat, and the electric ironing plate is used to perform ironing on the solid wooden door placed on the loading platform;

[0010] An air blowing mechanism, comprising an extrusion plate, a spherical rod, an extrusion spring, an air blowing plate and an air inlet pipe, and used for blowing air to the solid wood door placed on the loading platform;

[0011] The paint spraying mechanism includes a piston plate, a return spring, a connecting column, a spray pipe and a liquid inlet pipe. The paint spraying mechanism is used to spray paint on the surface of the solid wood board after the scalding is completed.

[0012] Preferably, an extrusion plate is slidably connected to the middle of the inner cavity of the gas storage box, a spherical rod is fixedly connected to the right end face of the extrusion plate, an air blowing plate is fixedly installed on the left side wall of the inner cavity of the gas storage box, and an air inlet pipe is fixed on the left side of the lower end face of the gas storage box and connected to the air storage pipe.

[0013] By adopting the above technical solution, the air in the air storage box can be discharged through the air blowing plate, thereby achieving the function of blowing air on the surface of the solid wood board.

[0014] Preferably, an extrusion spring is fixedly connected to the right inner cavity wall of the air storage box, the other end of the extrusion spring is fixedly connected to the extrusion plate, the spherical rod is slidingly connected to the air storage box, and a one-way air valve with an outlet to the inner cavity of the air storage box is provided at the connection between the air inlet pipe and the air storage box.

[0015] By adopting the above technical solution, the extrusion plate can be reset, so that the entire device can be used for a long time without using an external air pump.

[0016] Preferably, the lifting mechanism includes a limiting screw rod, an end plate, a servo motor, a top plate and a connecting rod. The upper end surface of the base is rotatably connected to the limiting screw rod on one side close to the lifting screw. The upper end portion of the outer wall of the limiting screw rod is rotatably connected to the end plate. The left side of the lower end surface of the top plate is fixedly connected to the liquid storage box through a connecting rod.

[0017] By adopting the above technical solution, the height of the liquid storage box can be adjusted, so that the height of the mounting seat is also changed accordingly, so that the electric ironing board fits on the solid wood board, and the function of ironing the solid wood board is realized.

[0018] Preferably, the top plate is threadedly connected to the lifting screw, the limiting screw rod is threadedly connected to the top plate, the thread lifting of the limiting screw rod is greater than the equivalent friction angle of the top plate, the limiting screw rod and the top plate are not self-locking, the upper end surface of the end plate is fixedly connected to the servo motor through the frame, and the output shaft end of the servo motor is fixedly connected to the lifting screw.

[0019] By adopting the above technical solution, the limiting spiral rod is driven to rotate, providing power output for the wind blowing process.

[0020] Preferably, a cam is fixedly connected to the lower portion of the outer side wall of the limiting spiral rod, and the outer wall of the cam is in contact with the outer wall of the spherical rod.

[0021] Preferably, a piston plate is slidably connected to the middle part of the inner cavity of the liquid storage box, the upper end surface of the piston plate is fixedly connected to a return spring, the other end of the return spring is fixedly connected to the top surface of the inner cavity of the liquid storage box, the lower end surface of the piston plate is fixedly connected to the mounting seat through a connecting column, and the front and rear side walls of the liquid storage box are fixed and connected with a spray pipe and a liquid inlet pipe.

[0022] By adopting the above technical solution, the glue liquid in the liquid storage box can be sprayed out through the spray pipe, thereby realizing the function of spraying glue on the surface of the solid wood board.

[0023] Preferably, the connecting column is slidably connected to the liquid storage box, the upper part of the front and rear end surfaces of the liquid storage box is fixedly connected to the oil tank, the liquid inlet pipe is connected to the oil tank, and a one-way water valve with its outlet facing the liquid inlet pipe is provided at the connection between the liquid inlet pipe and the oil tank, and a one-way water valve with its outlet facing the liquid inlet pipe is provided at the connection between the spray pipe and the liquid storage box.

[0024] By adopting the above technical solution, the glue in the liquid storage box can be automatically replenished without using an additional water pump, thereby reducing energy costs.

[0025] The beneficial effects of the present invention are:

[0026] 1. After the inner ironing plate of the mounting base is electrically heated to a certain temperature, the lifting screw is rotated by the servo motor. At this time, with the cooperation of the lifting mechanism, the top plate will drive the connecting column to move the liquid storage box downward. With the cooperation of the paint spraying mechanism, the mounting base will also drive the ironing plate to move downward, and finally fit with the solid wood board to perform a scalding treatment on its surface. When the top plate moves downward or upward, with the cooperation of the air blowing mechanism, the air in the air storage box will be ejected through the air blowing plate, realizing the dust removal and cleaning function of the surface of the solid wood board before the entire device scaldes the solid wood board, avoiding the influence of garbage on the quality of the scalding of the solid wood board. At the same time, the grooves of the solid wood board are dust removed and cleaned after the entire device scaldes the solid wood board, ensuring the quality of the subsequent glue spraying on the surface of the solid wood board.

[0027] 2. When the ironing board continues to move downward after being attached to the solid wood board, the ironing board will move toward the liquid storage box while ensuring that it is not separated from the solid wood board. At this time, the piston plate will move toward the upper part of the inner cavity of the liquid storage box. With the cooperation of the paint spraying mechanism, the glue in the lower inner cavity of the liquid storage box will be sprayed out through the spray pipe. At this time, the entire device can realize the function of spraying glue on the surface of the solid wood board, avoiding moisture or oxidation in the grooves of the solid wood board where the ironing is done, and ensuring the beauty of the solid wood board. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 This is a front view schematic diagram of the overall structure of a wood board hot stamping device for solid wood door production provided by an embodiment of the present invention;

[0030] Figure 2 This is a rear view schematic diagram of the overall structure of a wood board hot stamping device for solid wood door production provided by an embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the overall structure of a plank hot stamping device for producing solid wood doors provided by an embodiment of the present invention;

[0032] Figure 4 This is a schematic cross-sectional view of the gas storage box of a wood board embossing device for producing solid wood doors provided by an embodiment of the present invention;

[0033] Figure 5 Schematic diagram of two states inside an air storage box of a wood board embossing device for producing solid wood doors provided by an embodiment of the present invention;

[0034] Figure 6 This is a schematic cross-sectional view of the liquid storage box of a wood board hot stamping device for solid wood door production provided by an embodiment of the present invention;

[0035] Figure 7 This is a schematic diagram of two states inside a liquid storage box of a wood board hot stamping device for solid wood door production provided by an embodiment of the present invention.

[0036] In the figure: 1. Base; 2. Liquid storage box; 3. Lifting screw; 4. Air storage box; 5. Loading platform; 6. Lifting mechanism; 61. Limiting screw rod; 611. Cam; 62. End plate; 63. Servo motor; 64. Top plate; 65. Connecting rod; 7. Mounting seat; 71. Ironing board; 8. Air blowing mechanism; 81. Extrusion plate; 82. Spherical rod; 83. Extrusion spring; 84. Air blowing plate; 85. Air inlet pipe; 9. Paint spraying mechanism; 91. Piston plate; 92. Return spring; 93. Connecting column; 94. Spray pipe; 95. Liquid inlet pipe. DETAILED DESCRIPTION

[0037] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0038] Example 1:

[0039] Reference Figure 1-7 A device for embossing wood boards in the production of solid wood doors, comprising a base 1, a liquid storage box 2, a lifting screw 3 and an air storage box 4. The upper end surface of the base 1 is rotatably connected to the screw, and the left side of the upper end surface of the base 1 is fixedly connected to a loading platform 5. The device also includes:

[0040] A lifting mechanism 6 is provided on the side wall of the lifting screw 3, and the lifting mechanism 6 is used to change the position height of the liquid storage box 2;

[0041] The mounting base 7 has an electric ironing board 71 fixedly connected to the lower part of the inner cavity of the mounting base 7. The electric ironing board 71 is used to perform ironing on the solid wooden door placed on the loading platform 5.

[0042] The wind blowing mechanism 8 includes an extrusion plate 81, a spherical rod 82, an extrusion spring 83, an air blowing plate 84 and an air inlet pipe 85. The wind blowing mechanism 8 is used to blow air to the solid wood door placed on the loading platform 5;

[0043] The paint spraying mechanism 9 includes a piston plate 91, a return spring 92, a connecting column 93, a spray pipe 94 and a liquid inlet pipe 95. The paint spraying mechanism 9 is used to spray paint on the surface of the solid wood board after the embossing is completed.

[0044] Furthermore, an extrusion plate 81 is slidably connected to the middle part of the inner cavity of the gas storage box 4, and a spherical rod 82 is fixedly connected to the right end face of the extrusion plate 81. A blowing plate 84 is fixedly installed on the left side wall of the inner cavity of the gas storage box 4. The left side of the lower end face of the gas storage box 4 is fixed and connected with an air inlet pipe 85. The right inner cavity wall of the gas storage box 4 is fixedly connected to an extrusion spring 83, and the other end of the extrusion spring 83 is fixedly connected to the extrusion plate 81. The spherical rod 82 is slidably connected to the gas storage box 4. A one-way air valve with an outlet to the inner cavity of the gas storage box 4 is provided at the connection between the air inlet pipe 85 and the gas storage box 4. The lifting mechanism 6 includes a limiting screw rod 61, an end plate 62, a servo motor 63, a top plate 64 and a connecting rod 65. The upper end face of the base 1 is close to the lifting screw 3. The side is rotatably connected to the limiting screw rod 61, and the upper end portion of the outer wall of the limiting screw rod 61 is rotatably connected to the end plate 62. The left side of the lower end surface of the top plate 64 is fixedly connected to the liquid storage box 2 through the connecting rod 65. The top plate 64 is threadedly connected to the lifting screw 3. The limiting screw rod 61 is threadedly connected to the top plate 64. The thread lifting of the limiting screw rod 61 is greater than the equivalent friction angle of the top plate 64. The limiting screw rod 61 and the top plate 64 are not self-locking. The upper end surface of the end plate 62 is fixedly connected to the servo motor 63 through the frame. The output shaft end of the servo motor 63 is fixedly connected to the lifting screw 3. The lower part of the outer wall of the limiting screw rod 61 is fixedly connected to the cam 611, and the outer wall of the cam 611 fits into the outer wall of the spherical rod 82.

[0045] It should be noted that: after the inner ironing plate 71 of the mounting seat 7 is electrically heated to a certain temperature, the lifting screw 3 is rotated by the servo motor 63. At this time, with the cooperation of the lifting mechanism 6, the top plate 64 will drive the connecting rod 65 to move the liquid storage box 2 downward. With the cooperation of the paint spraying mechanism 9, the mounting seat 7 will also drive the ironing plate 71 to move downward, and finally fit with the solid wood board to perform a scalding treatment on its surface. When the top plate 64 moves downward or upward, with the cooperation of the wind blowing mechanism 8, the air in the air storage box 4 will be ejected through the blowing plate 84, realizing the dust removal and cleaning function of the surface of the solid wood board before the entire device scaldes the solid wood board, avoiding the influence of the presence of garbage on the quality of the scalding of the solid wood board. At the same time, the grooves of the solid wood board are dust removed and cleaned after the entire device scaldes the solid wood board, ensuring the quality of the subsequent glue spraying on the surface of the solid wood board.

[0046] Example 2: This example differs from Example 1 in that:

[0047] Reference Figure 1-7, further; a piston plate 91 is slidably connected to the middle part of the inner cavity of the liquid storage box 2, and a return spring 92 is fixedly connected to the upper end surface of the piston plate 91, and the other end of the return spring 92 is fixedly connected to the top surface of the inner cavity of the liquid storage box 2, and the lower end surface of the piston plate 91 is fixedly connected to the mounting seat 7 through a connecting column 93. The front and rear side walls of the liquid storage box 2 are fixed and connected with a spray pipe 94 and a liquid inlet pipe 95. The upper part of the front and rear end surfaces of the liquid storage box 2 is fixedly connected to the oil tank, and the liquid inlet pipe 95 is connected to the oil tank. A one-way water valve with an outlet in the direction of the liquid inlet pipe 95 is provided at the connection between the liquid inlet pipe 95 and the oil tank, and a one-way water valve with an outlet in the direction of the liquid inlet pipe 95 is provided at the connection between the spray pipe 94 and the liquid storage box 2.

[0048] It should be noted that: when the ironing board 71 continues to move downward after being attached to the solid wood board, the ironing board 71 will move toward the liquid storage box 2 while ensuring that it is not separated from the solid wood board. At this time, the piston plate 91 will move toward the upper part of the inner cavity of the liquid storage box 2. With the cooperation of the paint spraying mechanism 9, the glue in the lower inner cavity of the liquid storage box 2 will be sprayed out through the spray pipe 94. At this time, the entire device can realize the function of spraying glue on the surface of the solid wood board, avoiding moisture or oxidation in the grooves of the solid wood board, and ensuring the beauty of the solid wood board.

[0049] The working principle of the wood board hot stamping device for solid wood door production:

[0050] After the inner electric ironing plate 71 of the mounting seat 7 is electrically heated to a certain temperature, the servo motor 63 is used to rotate the lifting screw 3. Since the lifting screw 3 and the limiting screw rod 61 are both rotatably connected to the end plate 62, when the lifting screw 3 rotates, the top plate 64 will move up and down on the side wall of the lifting screw 3. Since the thread elevation of the limiting screw rod 61 is greater than the equivalent friction angle of the top plate 64, the limiting screw rod 61 and the top plate 64 are not self-locking. At this time, the limiting screw rod 61 will drive the cam 611 to rotate, and continuously squeeze the spherical rod 82 to make the squeezing plate 81 reciprocate in the inner cavity of the gas storage box 4;

[0051] When the extrusion plate 81 moves to the left side of the inner cavity of the gas storage box 4 (as shown in FIG. Figure 5The air in the left side of the inner cavity of the air storage box 4 is increased, and the air pressure inside is increased. At this time, the air in the left side of the inner cavity of the air storage box 4 is ejected from the blowing plate 84, realizing the dust removal and cleaning function of the surface of the solid wood board before the streaking, thereby avoiding the deterioration of the streaking quality of the solid wood board caused by the presence of garbage. At the same time, the dust removal and cleaning of the grooves of the solid wood board after the streaking can be carried out, thereby avoiding the residual slag from continuing to burn the wood, ensuring the quality of the streaking and the effect of subsequent glue spraying on the surface of the solid wood board. When the extrusion plate 81 moves toward the right side of the inner cavity of the air storage box 4, the capacity of the left side of the inner cavity of the air storage box 4 is increased, thereby reducing the air pressure inside. At this time, the outside air can enter the inner cavity of the air storage box 4 through the air inlet pipe 85, realizing the replenishment of air, and then the whole device realizes the function of continuously blowing and cleaning the surface of the solid wood board without using an external air pump, thereby reducing energy loss and being suitable for popularization and use.

[0052] When the lifting screw 3 rotates and drives the liquid storage box 2 to move downward (it should be noted that in the initial state, the electric ironing plate 71 is not in contact with the solid wood board. At this time, the piston plate 91 will be in the middle of the inner cavity of the liquid storage box 2 under the tension of the return spring 92), the mounting seat 7 will also drive the electric ironing plate 71 to move downward, and finally fit into the solid wood board. At this time, the entire device can realize the function of scalding the surface of the solid wood board. When the liquid storage box 2 continues to move downward after the electric ironing plate 71 is fitted into the solid wood board (such as Figure 7 When the lifting screw 3 rotates and drives the liquid storage box 2 to move upward, the electric ironing plate 71 gradually separates from the solid wood board and moves upward. The return spring 92 is pressed by the electric ironing plate 71 on the solid wood board and the reaction force disappears. The return spring 92 will be reset. At this time, the piston plate 91 will move toward the lower part of the inner cavity of the liquid storage box 2, so that the volume of the lower part of the inner cavity of the liquid storage box 2 is reduced. At this time, the glue in the lower inner cavity of the liquid storage box 2 will be sprayed out through the spray pipe 94, and the wind blown intermittently from the blowing plate 84 can make the glue evenly sprayed on the solid wood board. At this time, the whole device can realize the function of spraying glue on the surface of the solid wood board, avoiding moisture or oxidation in the grooves after the solid wood board is scalded, and ensuring the beauty of the solid wood board.

[0053] It should be noted that the specific model and specifications of the motor need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0054] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A device for embossing wood boards for producing solid wood doors, comprising a base (1), a liquid storage box (2), a lifting screw (3) and an air storage box (4), wherein the upper end surface of the base (1) is rotatably connected to the screw, and the left side of the upper end surface of the base (1) is fixedly connected to a loading platform (5), characterized in that: Also includes: A lifting mechanism (6), wherein a lifting mechanism (6) is provided on a side wall of the lifting screw (3), and the lifting mechanism (6) is used to change the position height of the liquid storage box (2); A mounting seat (7), wherein the lower portion of the inner cavity of the mounting seat (7) is fixedly connected to an electric ironing plate (71), and the electric ironing plate (71) is used to perform ironing on a solid wooden door placed on the loading platform (5); An air blowing mechanism (8), the air blowing mechanism (8) comprising an extrusion plate (81), a spherical rod (82), an extrusion spring (83), an air blowing plate (84) and an air inlet pipe (85), the air blowing mechanism (8) being used to blow air to a solid wood door placed on the loading platform (5); The middle part of the inner cavity of the gas storage box (4) is slidably connected to an extrusion plate (81), the right end surface of the extrusion plate (81) is fixedly connected to a spherical rod (82), the left side wall of the inner cavity of the gas storage box (4) is fixedly mounted with an air blowing plate (84), and the left side of the lower end surface of the gas storage box (4) is fixed and connected to an air inlet pipe (85); The right inner cavity wall of the gas storage box (4) is fixedly connected to an extrusion spring (83), the other end of the extrusion spring (83) is fixedly connected to the extrusion plate (81), the spherical rod (82) is slidably connected to the gas storage box (4), and a one-way air valve with an outlet toward the inner cavity of the gas storage box (4) is provided at the connection point between the air inlet pipe (85) and the gas storage box (4); A paint spraying mechanism (9), the paint spraying mechanism (9) comprising a piston plate (91), a return spring (92), a connecting column (93), a spray pipe (94) and a liquid inlet pipe (95), the paint spraying mechanism (9) being used to spray paint on the surface of the solid wood board after the scalding is completed; A piston plate (91) is slidably connected to the middle of the inner cavity of the liquid storage box (2), a return spring (92) is fixedly connected to the upper end surface of the piston plate (91), the other end of the return spring (92) is fixedly connected to the top surface of the inner cavity of the liquid storage box (2), the lower end surface of the piston plate (91) is fixedly connected to the mounting seat (7) via a connecting column (93), and the front and rear side walls of the liquid storage box (2) are fixed and connected to a spray pipe (94) and a liquid inlet pipe (95); The connecting column (93) is slidably connected to the liquid storage box (2); the upper portions of the front and rear end surfaces of the liquid storage box (2) are fixedly connected to an oil tank; the liquid inlet pipe (95) is connected to the oil tank; a one-way water valve with an outlet toward the liquid inlet pipe (95) is provided at the connection point between the liquid inlet pipe (95) and the oil tank; and a one-way water valve with an outlet toward the spray pipe (94) is provided at the connection point between the spray pipe (94) and the liquid storage box (2).

2. The device for hot stamping wood boards for producing solid wood doors according to claim 1, characterized in that: The lifting mechanism (6) includes a limiting screw rod (61), an end plate (62), a servo motor (63), a top plate (64) and a connecting rod (65). The upper end surface of the base (1) is rotatably connected to the limiting screw rod (61) on a side close to the lifting screw (3). The upper end portion of the outer wall of the limiting screw rod (61) is rotatably connected to the end plate (62). The left side of the lower end surface of the top plate (64) is fixedly connected to the liquid storage box (2) via the connecting rod (65).

3. The device for hot stamping wood boards for producing solid wood doors according to claim 2, characterized in that: The top plate (64) is threadedly connected to the lifting screw (3), the limiting screw rod (61) is threadedly connected to the top plate (64), the thread lifting of the limiting screw rod (61) is greater than the equivalent friction angle of the top plate (64), the limiting screw rod (61) and the top plate (64) are not self-locking, the upper end surface of the end plate (62) is fixedly connected to the servo motor (63) through the frame, and the output shaft end of the servo motor (63) is fixedly connected to the lifting screw (3).

4. The device for hot stamping wood boards for producing solid wood doors according to claim 2, characterized in that: A cam (611) is fixedly connected to the lower portion of the outer side wall of the limiting spiral rod (61), and the outer wall of the cam (611) is in contact with the outer wall of the spherical rod (82).

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