CN114216307B

CN114216307B - High-temperature physical drying treatment device for modified wood

Info

Publication number: CN114216307B
Application number: CN202111565643.7A
Authority: CN
Inventors: 王晖
Original assignee: Yueyang Changling Refining And Chemical Fangyuan Construction Supervision Consulting Co ltd
Current assignee: Yueyang Changling Refining And Chemical Fangyuan Construction Supervision Consulting Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-11-04
Anticipated expiration: 2041-12-20
Also published as: CN114216307A

Abstract

The invention discloses a high-temperature physical drying treatment device for modified wood, which relates to the technical field of wood processing and comprises a drying chamber for drying the wood, wherein a slide rail is arranged at the inner bottom of the drying chamber, the upper end of the slide rail is connected with a placing plate in a sliding manner, the upper end of the drying chamber is provided with a propping mechanism, the propping mechanism comprises a propping pipe arranged at the top end of the drying chamber, a first piston is connected in the propping pipe in a sliding manner, the side wall of the first piston is fixedly connected with a propping rod, the tail end of the propping rod penetrates through the propping pipe and is fixedly connected with a propping block, and the propping mechanism further comprises a propping platform positioned on one side of the propping block. The invention solves the problem of how to limit and fix the wood board in the high-temperature drying process.

Description

High-temperature physical drying treatment device for modified wood

Technical Field

The invention relates to the technical field of wood processing, in particular to a high-temperature physical drying treatment device for modified wood.

Background

The process of adding the external additive into the wood is the process of modifying the wood, and the modified wood has the characteristics which are not possessed by the original wood, so that the strength, the hardness, the corrosion resistance and the like of the modified wood are improved, the material quality of the wood is improved, and the performance of the wood is improved.

The most common modification method for wood is to add treatment liquid into the wood, or directly soak the wood in the treatment liquid, so that the treatment liquid naturally permeates into the wood, the modified wood needs to be dried and dehumidified before subsequent processing operation, the wood can crack, bend and deform under a high-temperature state, the wood is more serious on a wood board with a thinner size, a clamping and fixing device is generally added at the top end of the wood board, the wood board at the top end of the same batch is fixed and limited, the operation mode is simple and original, the wood board needs to be clamped and disassembled every time when being dried at high temperature, the high-temperature drying step of the wood is increased, and the benefit is reduced.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a high-temperature physical drying treatment device for modified wood, which solves the problem of how to limit and fix a wood board in a high-temperature drying process.

In order to achieve the purpose, the invention adopts the following technical scheme:

modified timber high temperature physics drying process device, including the drying chamber that is used for dry timber, the bottom is provided with the slide rail in the drying chamber, slide rail upper end sliding connection has places the board, the drying chamber upper end is equipped with supports tight mechanism, support tight mechanism including installing in the tight pipe of support on drying chamber top, support intraductal sliding connection has first piston, first piston lateral wall fixedly connected with supports tight pole, support the terminal tight pipe and fixedly connected with of pole and support tight piece of running through of pole, support tight mechanism still including being located the tight platform of support of tight piece one side, support tight platform upper end sliding connection has two to tight board, it is connected with two head rods to support tight piece lateral wall rotation, the head rod end rotates with the tight board of support that corresponds to be connected, support tight platform lower extreme installation fixedly connected with clamp plate, be equipped with the actuating mechanism that can drive to the pole is flexible in the drying chamber.

Preferably, actuating mechanism is including being fixed in the driving tube on drying chamber top, sliding connection has the second piston in the driving tube, second piston lateral wall fixedly connected with actuating lever, the actuating lever end runs through the first drive block of driving tube and fixedly connected with, the first drive block lateral wall rotates and is connected with the second connecting rod, place board lateral wall fixedly connected with second drive block, the second connecting rod end rotates with the second drive block to be connected, through first connecting pipe intercommunication between tight pipe upper end and the driving tube upper end, can realize the decline process of clamp plate in the middle of promoting the process of placing the board and getting into the drying chamber through setting up actuating mechanism, realized after the clamp plate descends to the plank tightly spacing.

Preferably, it is equipped with first spring to support tight pole overcoat, first spring is located first piston and supports between the tight inside wall of pipe, can balance the gravity of supporting tight platform and clamp plate production through setting up first spring, can let the in-process of placing the board and removing convenient light more in the middle of.

Preferably, be equipped with driving liquid in the tight pipe of support and the driving pipe, driving liquid is low boiling point liquid, sets up driving pipe and the liquid that supports in the tight pipe into low boiling point liquid, and in the middle of the dry process of plank high temperature, low boiling point liquid inflation promotes further decline of clamp plate, strengthens the tight effect of supporting to the plank.

Preferably, the top end of the abutting pipe is communicated with a pressure relief pipe, a valve is arranged in the pressure relief pipe, pressure in the abutting pipe can be relieved through the pressure relief pipe, pressure between the pressing plate and the wood board is reduced, and the board can be conveniently placed and taken out with the wood board.

Preferably, the two sides of the upper end of the abutting platform are fixedly connected with abutting bulges, the side walls of the abutting bulges are fixedly connected with guide rods, the tail ends of the guide rods penetrate through the corresponding abutting plates and are in sliding connection with the corresponding abutting plates, second springs are sleeved outside the guide rods and are located between the abutting plates and the abutting bulges, and the abutting blocks can push the abutting plates on the two sides to move towards the outer side in the process that the abutting blocks descend but the abutting platform cannot descend by arranging the second springs, the guide rods and other components, so that the abutting blocks can normally descend, and the abutting is realized by adapting to wood boards with small height differences.

Preferably, the upper end of the abutting platform is provided with a limiting mechanism, the limiting mechanism comprises a limiting pipe fixed at the upper end of the abutting platform, a third piston is connected in the limiting pipe in a sliding manner, the upper end of the third piston is fixedly connected with a limiting rod, the upper end of the limiting rod penetrates through the limiting pipe and is fixedly connected with the lower end of the abutting block, the upper end of the abutting platform is fixedly connected with a storage box, electrorheological fluid is arranged in the storage box, the storage box is communicated with the limiting pipe through a second connecting pipe, the inner side wall of the limiting pipe is fixedly connected with two conducting pieces, a gap is formed between the two conducting pieces, the two conducting pieces are externally connected with a power supply, the two conducting pieces and the power supply form a closed loop and are connected with a switch in series, when the electrorheological fluid is in a conducting state, the electrorheological fluid in the limiting pipe is changed into a solid state, at the moment, the third piston and the limiting rod cannot stretch out to generate deformation, the abutting block and the pressing plate are changed into a fixed numerical value, and at the abutting block cannot push the two abutting plates to move towards the outside through the first connecting rod in the descending process, at the moment, the force of the abutting block directly acts on the pressing plate, and the pressing plate can be improved in the abutting effect of the wood plate.

Preferably, the pressing plate is fixedly connected with the abutting platform through a plurality of bolts, the pressing plate is fixed through the bolts, the pressing plate can be conveniently replaced, the pressing plate matched with the wood board is selected, and the wood board is conveniently extruded.

Preferably, the surface of the pressing plate is provided with a plurality of radiating strip-shaped openings distributed at equal intervals, and the radiating strip-shaped openings on the surface of the pressing plate can enable the ventilation area of the wood plate positioned on the outer side to be larger, so that the water vapor can be conveniently emitted.

Preferably, the second drive block lower extreme is opened there is first spacing mouthful, sliding connection has the spacer pin in the first spacing mouthful, elastic connection between spacer pin and the first spacing mouthful inner wall, open the slide rail upper end has the spacing mouthful of second, the spacing mouthful of second be located the inside upper end of slide rail and with the spacer pin adaptation, be equipped with the cam in the spacing mouthful of second, cam lateral wall fixedly connected with adjusts the pole, it runs through drying chamber and threaded connection with it to adjust the pole, the spacer pin bottom is equipped with the metal contact, protruding one end outer wall fixedly connected with has the sheetmetal is kept away from to the cam, metal contact and sheetmetal concatenate in the middle of the closed return circuit.

Compared with the prior art, the invention has the following beneficial effects:

1. through setting up actuating mechanism and supporting tight mechanism, the drive liquid that places the board and get into in the middle of the process of drying chamber in the drive tube enters into and supports the intraductal push pressure plate decline of tight for the clamp plate offsets with the plank surface that is located the top, realizes the spacing fixed to the plank, prevents that it from taking place crimping in the middle of the dry process of high temperature, improves its yields, has also reduced staff's burden, has improved efficiency.

2. Through setting up to block, support parts such as tight board, head rod, support tightly and support when the plank on clamp plate and top continues to extend tightly and support tight pole, two support tight boards this moment and remove towards both sides, can let and support tight piece and continue to descend, realize carrying out the adaptation to piling up into the plank of co-altitude not, guarantee that the clamp plate can support tightly with the plank on top, guarantee to the tight spacing effect of supporting of plank.

3. The driving liquid arranged in the driving pipe and the abutting pipe is low-boiling-point liquid, when the temperature in the drying chamber rises to dry the wood board, the low-boiling-point liquid is heated and expanded, and can generate larger pressure to push the first piston to drive the abutting block to descend, so that the abutting effect of the pressing plate on the wood board is further improved.

4. Through setting up stop gear, can support at clamp plate and plank and open the switch after tight, let the electrorheological fluids in spacing intraductal become solid-state by liquid, and then let and support the distance between tight piece and the clamp plate invariable, in the middle of supporting the process that tight piece descends, the power that receives can not promote to support tight board and dispersion, but direct action in clamp plate upper end has strengthened supporting tight piece and has supported tight extruded effect to the plank in the middle of the descending process, further avoided the plank to take place to deform in the middle of the high temperature heating process.

Drawings

Fig. 1 is a schematic perspective view of a high-temperature physical drying treatment device for modified wood according to the present invention;

FIG. 2 is a schematic front view of a high-temperature physical drying device for modified wood according to the present invention;

FIG. 3 is a schematic diagram of the structure of the sidewall of the high-temperature physical drying treatment device for modified wood according to the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a pressing mechanism of the high-temperature physical drying treatment device for modified wood according to the present invention;

FIG. 5 is a schematic view of a front view of a pressing mechanism of the high-temperature physical drying device for modified wood according to the present invention;

FIG. 6 is a schematic top view of a pressing mechanism of the high-temperature physical drying device for modified wood according to the present invention;

fig. 7 is an enlarged schematic structural diagram of a modified wood high-temperature physical drying processing device provided by the invention at a position A.

In the figure: 1. a drying chamber; 101. a slide rail; 102. placing a plate; 2. a drive mechanism; 201. a drive tube; 202. a first driving block; 203. a second connecting rod; 204. a second driving block; 205. a drive rod; 206. a first connecting pipe; 3. a tightening mechanism; 301. abutting the pipe; 302. a propping block; 303. tightly abutting against the platform; 304. a resisting plate; 305. a first connecting rod; 306. tightly abutting against the bulge; 307. a second spring; 308. a guide bar; 309. a tightening rod; 310. a first piston; 311. a first spring; 4. a limiting mechanism; 401. a limiting pipe; 402. a storage box; 403. a second connecting pipe; 404. a third piston; 405. a limiting rod; 5. pressing a plate; 501. a bolt; 6. a second limit port; 601. a cam; 602. adjusting a rod; 603. a first limit opening.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-7, modified timber high temperature physics drying process device, including being used for dry wood's drying chamber 1, the bottom is provided with slide rail 101 in drying chamber 1, slide rail 101 upper end sliding connection has places board 102, drying chamber 1 one side is opened has the pay-off mouth, the pay-off mouth lateral wall is equipped with sealing door, it can slide on slide rail 101 and then realize the pay-off mouth of cominging in and going out to place board 102, the completion is to the blowing process of the plank of piling up, the plank of piling up is located drying chamber 1, drying chamber 1 is current technique, its concrete mechanism is no longer detailed.

The upper end of the drying chamber 1 is provided with a tightening mechanism 3, the tightening mechanism 3 comprises a tightening pipe 301 arranged on the top end of the drying chamber 1, a first piston 310 is slidably connected in the tightening pipe 301, a tightening rod 309 is fixedly connected to the side wall of the first piston 310, the tail end of the tightening rod 309 penetrates through the tightening pipe 301 and is fixedly connected with a tightening block 302, the tightening mechanism 3 further comprises a tightening platform 303 located on one side of the tightening block 302, two tightening plates 304 are slidably connected to the upper end of the tightening platform 303, two first connecting rods 305 are rotatably connected to the side wall of the tightening block 302, the tail ends of the first connecting rods 305 are rotatably connected with the corresponding tightening plates 304, and a pressing plate 5 is fixedly connected to the lower end of the tightening platform 303.

The pressing plate 5 is fixedly connected with the abutting platform 303 through the plurality of bolts 501, a plurality of heat dissipation strip-shaped openings distributed at equal intervals are formed in the surface of the pressing plate 5, the pressing plate 5 matched with the drying wood plate is selected to be installed according to needs, the ventilation area of the wood plate located on the outer side is larger through the heat dissipation strip-shaped openings in the surface of the pressing plate 5, and water vapor emission is facilitated.

A driving mechanism 2 capable of driving the tightening rod 309 to extend and contract is provided in the drying chamber 1, and the driving mechanism 2 supplies power to drive the platen 5 to descend.

It should be noted that, in the drawings, a side wall of the drying chamber 1 and a sealing door at the feed port are not shown in order to more clearly show the structure inside the drying chamber 1.

The driving mechanism 2 comprises a driving pipe 201 fixed at the top end of the drying chamber 1, a second piston is slidably connected in the driving pipe 201, a driving rod 205 is fixedly connected to the side wall of the second piston, the tail end of the driving rod 205 penetrates through the driving pipe 201 and is fixedly connected with a first driving block 202, the side wall of the first driving block 202 is rotatably connected with a second connecting rod 203, a second driving block 204 is fixedly connected to the side wall of the placing plate 102, the tail end of the second connecting rod 203 is rotatably connected with the second driving block 204, the upper end of the abutting pipe 301 is communicated with the upper end of the driving pipe 201 through a first connecting pipe 206, driving liquid is arranged in the driving pipe 201 and the abutting pipe 301, in the process that the placing plate 102 moves towards the inside of the drying chamber 1, at the moment, the second driving block 204 pushes the first driving block 202 to move upwards through the second connecting rod 203, in the process, the driving rod 205 moves upwards, liquid in the driving pipe 201 is pumped into the abutting pipe 301 through the first connecting pipe 206, the abutting rod 309 is pushed to descend, and the process that the pressing plate 5 descends is achieved.

Can reduce the space that actuating mechanism 2 occupy through setting up parts such as second connecting rod 203, can improve the volume ratio who holds the plank, pile to higher plank, clamp plate 5 contacts with the plank on top in advance in the middle of placing the process that board 102 removed, the two produces the friction, can choose to set up the ball at clamp plate 5 lower extreme, reduce the friction between the two, after placing board 102 and remove to the assigned position, ball and plank break away from the contact, can not influence the process of supporting tight plank, and can also set up vertical restriction board placing board 102 one side, prevent that the plank on top from taking place the displacement under frictional effect.

The outer sleeve of the abutting rod 309 is provided with a first spring 311, the first spring 311 is located between the first piston 310 and the inner wall of the abutting pipe 301, the first spring 311 is arranged, the first spring 311 can generate upward thrust on the first piston 310, the gravity of the abutting platform 303, the pressing plate 5 and other parts can be offset, and the pressing plate 102 can be pushed and pulled more easily and conveniently.

The abutting pipe 301 and the driving pipe 201 are internally provided with driving liquid, the driving liquid is low-boiling-point liquid, the top end of the abutting pipe 301 is communicated with a pressure relief pipe, a valve is arranged in the pressure relief pipe, the driving liquid arranged in the driving pipe 201 and the abutting pipe 301 is low-boiling-point liquid, when the wood board is dried by temperature rise in the drying chamber 1, the low-boiling-point liquid expands by heating, larger pressure can be generated to push the first piston 310 to drive the abutting block 302 to descend, the abutting effect of the pressing plate 5 on the wood board is further improved, when the wood board is not reduced and is to be taken out in the drying chamber 1, the valve in the pressure relief pipe is opened, pressurized liquid in the abutting pipe 301 flows out, the abutting effect between the pressing plate 5 and the wood board can be weakened at the moment, the moving-out process of the board 102 is convenient to place, a containing box fixed at the end of the pressure relief pipe is connected, after the temperature in the drying chamber 1 is normal, the low-boiling-point liquid is pumped into the abutting pipe 301, the resetting of the abutting block 302 is realized, and the abutting pipe 301 can be adjusted by adjusting the volume of the pressing plate in batches, and the height difference of the wood board 5 is realized, and the wood board is different in different heights.

The two sides of the upper end of the abutting platform 303 are fixedly connected with abutting protrusions 306, the side walls of the abutting protrusions 306 are fixedly connected with guide rods 308, the tail ends of the guide rods 308 penetrate through the corresponding abutting plates 304 and are in sliding connection with the corresponding abutting plates 304, second springs 307 are sleeved outside the guide rods 308, the second springs 307 are located between the abutting plates 304 and the abutting protrusions 306, through the arrangement of the second springs 307 and the guide rods 308, the abutting blocks 302 can normally descend in the process that the abutting blocks 302 descend but the abutting platform 303 cannot descend, the abutting plates 304 on the two sides are pushed by the abutting blocks 302 to move towards the outer side, the abutting blocks 302 can normally descend in the process, adaptive abutting of wood boards with small height difference is achieved, and the abutting effect of the pressing plate 5 on top-end wood boards can be improved.

The upper end of the abutting platform 303 is provided with a limiting mechanism 4, the limiting mechanism 4 comprises a limiting pipe 401 fixed at the upper end of the abutting platform 303, a third piston 404 is connected in the limiting pipe 401 in a sliding manner, the upper end of the third piston 404 is fixedly connected with a limiting rod 405, the upper end of the limiting rod 405 penetrates through the limiting pipe 401 and is fixedly connected with the lower end of the abutting block 302, the upper end of the abutting platform 303 is fixedly connected with a storage box 402, electrorheological fluid is arranged in the storage box 402, the storage box 402 is communicated with the limiting pipe 401 through a second connecting pipe 403, the inner side wall of the limiting pipe 401 is fixedly connected with two conducting strips, a gap is arranged between the two conducting strips, the two conducting strips are externally connected with a power supply, a switch is connected between a loop formed by the two conducting strips and the power supply in series, the electrorheological fluid in the limiting pipe 401 is liquid in a normal state, and when the position between the abutting block 302 and the abutting platform 303 is changed, the limiting rod 405 can also be synchronously stretched, the positions of the electrorheological fluids in the storage box 402 and the limiting pipe 401 are controlled by the third piston 404, when the placing plate 102 brings the wood board stack to a designated position in the drying chamber 1 and obtains a limiting waiting drying state, the switch is turned on at the moment, an electric potential difference is formed between the two conducting strips, the electrorheological fluid is electrified, at the moment, the electrorheological fluid in the liquid state in the limiting pipe 401 is changed into a solid state, at the moment, the third piston 404 and the limiting rod 405 cannot stretch and deform, the abutting block 302 and the pressing plate 5 are changed into a fixed numerical value, at the moment, in the descending process of the abutting block 302, the two abutting plates 304 cannot be pushed to move towards the outer side through the first connecting rod 305, at the moment, the force applied to the pressing plate 5 by the abutting block 302 directly acts on the pressing plate 5, the abutting effect of the pressing plate 5 on the wood board can be improved, the wood board is prevented from deforming, the electrorheological fluid is the prior art, the electrorheological fluid is a suspension under the normal condition, it can be changed into liquid-solid under the action of electric field, when the intensity of external electric field is greatly less than a certain critical value, the electrorheological liquid is in liquid state, and when the intensity of electric field is greatly greater than said critical value, it is changed into solid state.

The lower end of the second driving block 204 is provided with a first limit opening 603, a limit pin is connected in the first limit opening 603 in a sliding manner, the limit pin is elastically connected with the inner wall of the first limit opening 603, the upper end of the slide rail 101 is provided with a second limit opening 6, the second limit opening 6 is positioned at the upper end in the slide rail 101 and is matched with the limit pin, a cam 601 is arranged in the second limit opening 6, the side wall of the cam 601 is fixedly connected with an adjusting rod 602, the adjusting rod 602 penetrates through the drying chamber 1 and is in threaded connection with the drying chamber, the bottom end of the limit pin is provided with a metal contact, the outer wall of the cam 601 at the end far away from the bulge is fixedly connected with a metal sheet, during the process of placing the plate 102 in a sliding manner, when the second driving block 204 moves to a preset position, the second driving block 204 slides to the inside and the position corresponds to the position of the second limit opening 6, protruding one end of cam 601 is down this moment, the spacer pin is gone into in the spacing mouthful 6 of second, the realization is to placing the spacing fixed of board 102, and spacing terminal metal contact and the sheetmetal contact, the two plays the effect of switch, control electrorheological fluids switches on, let it become solid-state, the action that spacing fixed process and circuit switched on has been accomplished in the middle of the process of removing, convenient operation, it only needs rotatory regulation pole 602 to follow-up taking out and placing board 102, let cam 601 bulge jack-up the spacer pin, the spacer pin breaks away from in the spacing mouthful 6 of second this moment, and the protruding one end of cam 601 does not set up the conducting strip, electrorheological fluids's circuit automatic disconnection, gag lever post 405 can freely stretch out and draw back, it can take out the plank to remove to place board 102 this moment.

During the working process of the drying device, the wood boards to be dried are placed on the placing plate 102, the placing plate 102 is pushed into the drying chamber 1 after the wood boards are placed, the position of the placing plate 102 is fixed through the existing limiting device after the wood boards are placed at the designated position, and the sealing door is closed and locked to perform the high-temperature drying process.

In the middle of the process of placing the board 102 into the drying chamber 1, the second driving block 204 pushes the first driving block 202 to ascend through the second connecting rod 203, the liquid in the driving pipe 201 is pumped into the abutting pipe 301 in the middle of the process, so that the pressing plate 5 is pushed to descend, the wood board on the placing board 102 is abutted tightly after the pressing plate 5 descends, the wood board is abutted tightly and limited, and the wood board is prevented from being curled and deformed in the middle of the high-temperature drying process.

Before heating, the switch is turned on, so that the electrorheological fluid in the limiting tube 401 is electrified, the electrorheological fluid becomes solid, the limiting rod 405 cannot contract, and the distance between the abutting block 302 and the abutting platform 303 becomes a fixed numerical value.

In the middle of the process of the temperature height in drying chamber 1, driving tube 201 and the liquid that supports in the tight pipe 301 thermal expansion, the increase of inflation back pressure owing to place the rigidity of board 102, promotes first piston 310 and descends this moment, can promote clamp plate 5 and remove towards the plank direction in the middle of this process, and along with the increase of stoving time, clamp plate 5 supports tight power to the plank and also strengthens thereupon, further improvement to the spacing effect that supports tightly of plank.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The high-temperature physical drying treatment device for the modified wood comprises a drying chamber (1) for drying the wood, wherein a sliding rail (101) is arranged at the bottom in the drying chamber (1), the upper end of the sliding rail (101) is connected with a placing plate (102) in a sliding manner, and is characterized in that a tightening mechanism (3) is arranged at the upper end of the drying chamber (1), the tightening mechanism (3) comprises a tightening pipe (301) installed at the top end of the drying chamber (1), a first piston (310) is connected in the tightening pipe (301) in a sliding manner, a tightening rod (309) is fixedly connected to the side wall of the first piston (310), the tail end of the tightening rod (309) penetrates through the tightening pipe (301) and is fixedly connected with the tightening block (302), the tightening mechanism (3) further comprises a tightening platform (303) located on one side of the tightening block (302), two tightening plates (304) are connected in a sliding manner at the upper end of the tightening platform (303), two connecting rods (305) are rotatably connected to the side wall of the tightening block (302), the tail end of the first connecting rod (305) is rotatably connected with the corresponding tightening plate (304), the lower end of the tightening platform (303) is fixedly connected with a driving mechanism (5) which can drive the tightening plate (309); actuating mechanism (2) is including being fixed in driving tube (201) on drying chamber (1) top, sliding connection has the second piston in driving tube (201), second piston lateral wall fixedly connected with actuating lever (205), actuating lever (205) end runs through driving tube (201) and the first drive block (202) of fixedly connected with, first drive block (202) lateral wall rotates and is connected with second connecting rod (203), place board (102) lateral wall fixedly connected with second drive block (204), second connecting rod (203) end is rotated with second drive block (204) and is connected, through first connecting pipe (206) intercommunication between tight pipe (301) upper end and driving tube (201) upper end.

2. The high-temperature physical drying treatment device for the modified wood according to claim 1, wherein a first spring (311) is sleeved outside the abutting rod (309), and the first spring (311) is positioned between the first piston (310) and the inner wall of the abutting pipe (301).

3. The high-temperature physical drying device for modified wood according to claim 2, wherein a driving liquid is arranged in the abutting pipe (301) and the driving pipe (201), and the driving liquid is a low-boiling-point liquid.

4. The high-temperature physical drying device for the modified wood according to claim 3, characterized in that the top end of the abutting pipe (301) is communicated with a pressure relief pipe, and a valve is arranged in the pressure relief pipe.

5. The high-temperature physical drying treatment device for the modified wood according to claim 1, wherein two sides of the upper end of the abutting platform (303) are fixedly connected with abutting protrusions (306), the side walls of the abutting protrusions (306) are fixedly connected with guide rods (308), the tail ends of the guide rods (308) penetrate through the corresponding abutting plates (304) and are in sliding connection with the corresponding abutting plates, second springs (307) are sleeved outside the guide rods (308), and the second springs (307) are located between the abutting plates (304) and the abutting protrusions (306).

6. The high-temperature physical drying treatment device for the modified wood according to claim 1, wherein a limiting mechanism (4) is arranged at the upper end of the abutting platform (303), the limiting mechanism (4) comprises a limiting tube (401) fixed at the upper end of the abutting platform (303), a third piston (404) is slidably connected in the limiting tube (401), a limiting rod (405) is fixedly connected at the upper end of the third piston (404), the upper end of the limiting rod (405) penetrates through the limiting tube (401) and is fixedly connected with the lower end of the abutting block (302), a storage box (402) is fixedly connected at the upper end of the abutting platform (303), electrorheological fluid is arranged in the storage box (402), the storage box (402) is communicated with the limiting tube (401) through a second connecting tube (403), two conducting strips are fixedly connected to the inner side wall of the limiting tube (401), a gap is formed between the two conducting strips, the two conducting strips are provided with an external power supply, the two conducting strips form a closed loop with the power supply, and a switch is connected in series with the closed loop.

7. The high-temperature physical drying treatment device for modified wood according to claim 1, wherein the pressing plate (5) is fixedly connected with the abutting platform (303) through a plurality of bolts (501).

8. The high-temperature physical drying treatment device for the modified wood according to claim 1, wherein the surface of the pressure plate (5) is provided with a plurality of heat dissipation strip-shaped openings which are distributed at equal intervals.

9. The high-temperature physical drying treatment device for the modified wood according to claim 6, wherein a first limiting opening (603) is formed in the lower end of the second driving block (204), a limiting pin is slidably connected in the first limiting opening (603), the limiting pin is elastically connected with the inner wall of the first limiting opening (603), a second limiting opening (6) is formed in the upper end of the sliding rail (101), the second limiting opening (6) is located in the upper end of the inside of the sliding rail (101) and is matched with the limiting pin, a cam (601) is arranged in the second limiting opening (6), an adjusting rod (602) is fixedly connected to the side wall of the cam (601), the adjusting rod (602) penetrates through the drying chamber (1) and is in threaded connection with the drying chamber, a metal contact is arranged at the bottom end of the limiting pin, a metal sheet is fixedly connected to the outer wall of the end, far away from the bulge, of the cam (601), and the metal contact and the metal sheet are serially connected to the closed loop.