CN109990577B

CN109990577B - Wood drying equipment

Info

Publication number: CN109990577B
Application number: CN201910319840.7A
Authority: CN
Inventors: 金永龙
Original assignee: Nantong Haiying Wooden Industry Co ltd
Current assignee: NANTONG HAIYING WOODEN INDUSTRY Co.,Ltd.
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2021-05-25
Anticipated expiration: 2039-04-19
Also published as: CN109990577A

Abstract

The invention discloses wood drying equipment, which comprises a device shell and a drying appliance, wherein the end surface of the bottom of the device shell is fixedly provided with four symmetrical supporting feet which are arranged at the front, the back, the left and the right, and the inside of the device shell is provided with a centrifugal drying area, the centrifugal drying area comprises a centrifugal drying cavity and an inserting cover plate which is covered and installed at an opening of the centrifugal drying cavity, an elastic sealing part which is used for fixing the inserting cover plate is arranged between the inserting cover plate and the device shell, the device is provided with two drying modes of centrifugal drying and vacuum drying, the wood is thoroughly dried by combining the two drying modes, different drying methods are controlled by controlling an electromagnet, two functions can be simultaneously used, the time can be saved, the rotating speed of the centrifugal drying can be greatly improved by arranging an accelerating device, and the two drying modes are not assisted by high, can be effectively used for drying wood which is easily affected by high temperature.

Description

Wood drying equipment

Technical Field

The invention relates to the field of wood drying, in particular to wood drying equipment.

Background

Many woods need to be dried before being used, water on the surfaces of the woods is removed, if natural drying needs a lot of time and a lot of vacant sites, if the process is accelerated, a drying device can be used for drying, most of existing drying modes can be used for drying through temperature control and a method for increasing the temperature, and some woods are sensitive to high temperature and cannot be contacted with the high temperature, so the drying modes are invalid, if centrifugal dehydration is not carried out, high-temperature air flow is still not added, most of water can be removed, and if vacuum drying is used, a lot of time is needed, so the centrifugal and vacuum drying methods can be combined, and the device for centrifugally dehydrating the woods and then drying the woods in vacuum is invented.

Disclosure of Invention

The object of the present invention is to provide a wood drying apparatus for overcoming the above-mentioned drawbacks of the prior art.

The wood drying equipment comprises a device shell and a drying appliance, wherein four symmetrical supporting feet which are arranged at the front, the back, the left and the right are fixedly arranged on the end surface of the bottom of the device shell, a centrifugal drying area is arranged in the device shell, the centrifugal drying area comprises a centrifugal drying cavity and an inserting cover plate which is covered and installed at the opening of the centrifugal drying cavity, an elastic sealing part which is used for fixing the inserting cover plate is arranged between the inserting cover plate and the device shell, a vacuum drying component is arranged at the right side of the centrifugal drying area in the device shell and comprises a vacuum drying cavity with an upward opening and a threaded seal which is installed at the opening of the vacuum drying cavity in a threaded matching manner, a supporting inserting block and a supporting rod which are used for fixing the drying appliance are further comprised, and the vacuum drying component further comprises a liquid nitrogen cooling device which is arranged, comprises a cooling pipeline which extends upwards spirally in a seat body outside a vacuum drying cavity, a driving switching part is also arranged between the centrifugal drying area and the vacuum drying component, wherein the drive switching component comprises a drive motor, two symmetrical drive cavities, an electromagnet and a permanent magnet for switching the drive direction, the use function is switched or the two functions are simultaneously used through the matching control connection of the controllable magnetic force of the electromagnet and the permanent magnet, the driving switching part directly provides power for the vacuum drying component, an accelerating part is arranged below the centrifugal drying area, the rotating speed provided by the driving switching component is converted into the rotation of the centrifugal drying area after being accelerated by the accelerating component, button switches are symmetrically arranged in the left end face and the right end face of the device shell, and functions are controlled to be switched through the button switches.

A further technical scheme, drying appliance includes filtering shell, filtering shell top end face be equipped with the inside timber entry that communicates, filtering shell top end face fixed mounting top inserted block, be equipped with the ascending top fixed slot of opening in the top inserted block top end face, filtering shell bottom end face fixed mounting bottom inserted block, be equipped with the decurrent bottom fixed slot of opening in the inserted block bottom terminal surface of bottom.

The further technical proposal is that the centrifugal drying area comprises a centrifugal drying chamber with an upward opening in the device shell, a filter screen wall is fixedly arranged in the inner wall of the centrifugal drying chamber, an annular water filtering ring groove which inclines leftwards is arranged below the filter screen wall, a discharge opening which penetrates through the left side end face of the device shell is arranged on the left side inner wall of the water filtering ring groove, a centrifugal rotating shaft is arranged in the bottom wall of the centrifugal drying chamber in a rotating fit manner, a bottom inserting shaft which can be in inserting fit with the bottom inserting block is fixedly arranged on the top end face of the centrifugal rotating shaft, an inserting cover plate is covered and arranged at the opening of the device shell, a ball chamber is arranged in the inserting cover plate, a top ball is fixedly arranged in the top wall of the ball chamber, a bottom sliding groove with an upward opening is arranged in the bottom wall of the ball chamber, a ball sliding rail is, many fixed ball axles of fixed mounting between the ball commentaries on classics intracavity wall, the epaxial normal running fit installation bottom ball of fixed ball, the bottom ball with normal running fit installation ball slider between the ball of top, ball slider bottom terminal surface fixed mounting fixed connection piece, fixed connection piece bottom terminal surface fixed mounting inserts axle installation piece, insert axle installation piece bottom terminal surface fixed mounting can with the top inserted block complex top is inserted the axle, the first in command of grafting apron top terminal surface fixed mounting.

According to a further technical scheme, the elastic sealing part comprises a plurality of fixing pins fixedly installed on the top end face of the inserting cover plate and the same in distance, a plurality of elastic belts are fixedly installed on the outer end face of the device shell, fixing pieces are fixedly installed at the tail ends of the elastic belts, and bolt holes which are matched with the fixing pins in a sliding mode are formed in the fixing pieces.

In a further technical scheme, the driving switching part comprises a driving motor fixedly arranged in the device shell, symmetrical driving cavities are arranged on the left side and the right side of the driving motor, the end surfaces of output shafts on the left side and the right side of the driving motor are fixedly connected with driving shafts entering the driving cavities, electromagnetic rotating discs are fixedly arranged on the left side and the right side of the driving shafts far away from the end surfaces, electromagnets are fixedly arranged on the opposite end surfaces of the left electromagnetic rotating discs and the right electromagnetic rotating discs, rotating shaft fixing blocks are fixedly arranged on the bottom walls of the driving cavities, rotating shafts are rotatably matched and connected with the rotating shafts, magnetic rotating discs are fixedly arranged on the opposite end surfaces of the left connecting rotating shafts and the right connecting rotating shafts, permanent magnets capable of being attracted with the electromagnets are fixedly arranged on the opposite end surfaces of the left magnetic rotating discs and the right connecting rotating shafts, the left side and the right side of the end face, opposite to the side, of the auxiliary transmission shaft are fixedly provided with auxiliary bevel gears, the left side of the bottom wall of the driving cavity is internally provided with an accelerating transmission shaft in a rotating fit mode, the accelerating transmission shaft is fixedly provided with a second bevel gear meshed with the auxiliary bevel gear and a first bevel gear, the right side of the accelerating transmission shaft is internally provided with a gear fixing rotating block between the inner walls of the driving cavity, the gear fixing rotating block is rotatably provided with a third bevel gear meshed with the auxiliary bevel gear and the first bevel gear in a matching mode, the bottom wall of the driving cavity on the right side is provided with a sliding square groove penetrating through the end face of the bottom of the device shell, a sliding block is arranged in the sliding square groove in a sliding fit mode.

The vacuum drying assembly comprises a vacuum drying cavity with an upward opening in the device shell on the right side, the inner wall of the opening of the vacuum drying cavity is provided with internal threads, the opening of the vacuum drying cavity is in threaded fit with a threaded seal, a second handle is fixedly arranged on the top end face of the threaded seal, a water condensing groove is arranged in the inner wall of the vacuum drying cavity, a plurality of support rods are fixedly arranged on the inner wall of the vacuum drying cavity, a support table is fixedly arranged in the middle of each support rod, a support insert block which can be in inserted fit with the bottom fixing slot is fixedly arranged on the top end face of the support table, the vacuum drying cavity is downwards communicated with a piston cavity, a threaded shaft upwards extends into the piston cavity, a piston plate is fixedly arranged on the top end face of the threaded shaft, and a rubber ring sealed with the inner wall of the piston cavity is fixedly arranged, the piston plate is internally provided with a heating cavity, a plurality of heating wires are fixedly arranged in the inner wall of the heating cavity, and the bottom wall of the piston cavity is provided with a vent groove which runs through the end face of the bottom of the device shell.

Further technical scheme, liquid nitrogen cooling device installs including pegging graft the liquid nitrogen container in device casing top end face, fixed mounting in the device casing with liquid nitrogen container nitrogen gas export sealing connection's valve, nitrogen gas exit seal mounting cooling tube on valve right side, cooling tube round run through right after the vacuum drying chamber upwards extends device casing right side end face.

In a further technical scheme, the acceleration component comprises an acceleration cavity positioned below the centrifugal drying cavity, the centrifugal rotating shaft extends downwards to be matched with the bottom wall of the accelerating cavity in a rotating way, the accelerating transmission shaft extends upwards to be matched with the top wall of the accelerating cavity in a rotating way, a first gearwheel is fixedly arranged on the accelerating transmission shaft in the accelerating cavity, an accelerating rotating shaft is arranged between the upper inner wall and the lower inner wall of the accelerating cavity in a rotating fit manner, a first small gear meshed with the first big gear is fixedly arranged on the accelerating rotating shaft, a second big gear is fixedly arranged on the accelerating rotating shaft above the first small gear, a second small gear meshed with the second big gear is fixedly arranged in the acceleration cavity on the centrifugal rotating shaft, an auxiliary accelerating shaft is arranged between the upper inner wall and the lower inner wall of the accelerating cavity and positioned at the left side of the centrifugal rotating shaft in a rotating fit manner, and an auxiliary accelerating gear meshed with the second pinion is fixedly arranged on the auxiliary accelerating shaft.

Further technical scheme, button switch is including being located the button groove of device casing left and right sides terminal surface interior symmetry, button inslot sliding fit installation button controls button opposite side terminal surface and left and right sides fixed mounting reset spring controls between the button groove opposite side inner wall fixed mounting contact switch controls button groove opposite side inner wall internal symmetry is equipped with spacing spout, button up and down terminal surface symmetry fixed mounting with spacing spout sliding fit's spacing slider.

The invention has the beneficial effects that: the wood drying device is simple in structure and convenient to operate, the wood drying device is provided with two drying modes of centrifugal drying and vacuum drying, wood is thoroughly dried by combining the two drying modes, power sources of the two drying modes are the same motor, different drying methods are controlled by controlling the electromagnet, the two functions can be used simultaneously, time can be saved, the rotating speed of centrifugal drying can be greatly improved by arranging the accelerating device, the two drying modes are not assisted by high temperature, the wood drying device can be effectively used for drying the wood which is easily affected by the high temperature, the control is convenient, and the wood drying device is worthy of popularization.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is an enlarged schematic view at B in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-3, a wood drying apparatus according to an embodiment of the present invention includes an apparatus housing 18 and a drying device, four symmetrical supporting feet 41 are fixedly installed on a bottom end surface of the apparatus housing 18, a centrifugal drying area is disposed in the apparatus housing 18, wherein the centrifugal drying area includes a centrifugal drying cavity 13 and an insertion cover plate 10 covering and installed at an opening of the centrifugal drying cavity 13, an elastic sealing member is disposed between the insertion cover plate 10 and the apparatus housing 18 to fix the insertion cover plate 10, a vacuum drying assembly is disposed in the apparatus housing 18 at a right side of the centrifugal drying area, the vacuum drying assembly includes a vacuum drying cavity 74 with an upward opening and a threaded seal 75 installed at an opening of the vacuum drying cavity 74 in a threaded fit manner, and further includes a supporting insert 71 and a supporting rod 68 for fixing the drying device, the vacuum drying assembly also comprises a liquid nitrogen cooling device positioned on the left side, a cooling pipeline 73 which extends upwards spirally in a seat body outside a vacuum drying cavity 74, a driving switching part is also arranged between the centrifugal drying area and the vacuum drying assembly, the driving switching part comprises a driving motor 54 and two symmetrical driving cavities 55, an electromagnet 51 and a permanent magnet 50 which are used for switching the driving direction, the electromagnet 51 is matched and controlled with the permanent magnet 50 by controllable magnetic force, the using function is switched or the two functions are used simultaneously, the driving switching part directly provides power for the vacuum drying assembly, an accelerating part is arranged below the centrifugal drying area, the rotating speed provided by the driving switching part is accelerated by the accelerating part and then converted into the rotation of the centrifugal drying area, and button switches are symmetrically arranged in the left end face and the right end face of the device shell 18, and controlling the switching of functions through the button switch.

Advantageously or exemplarily, the drying appliance comprises a filter housing 24, the top end face of the filter housing 24 is provided with a wood inlet 23 communicated with the inside, the top end face of the filter housing 24 is fixedly provided with a top insert 22, the top end face of the top insert 22 is provided with a top fixing slot 29 with an upward opening, the bottom end face of the filter housing 24 is fixedly provided with a bottom insert 25, the bottom end face of the bottom insert 25 is provided with a bottom fixing slot 27 with a downward opening, so that wood can be added into the filter housing 24 through the wood inlet 23, and water in the wood can be thrown out of the filter housing 24.

Beneficially or exemplarily, the centrifugal drying area includes a centrifugal drying chamber 13 with an upward opening in the device housing 18, a filter screen wall 20 is fixedly installed in an inner wall of the centrifugal drying chamber 13, an annular water filtering ring groove 30 inclined to the left is arranged below the filter screen wall 20, a discharge opening 28 penetrating through a left end face of the device housing 18 is arranged on an inner wall of a left side of the water filtering ring groove 30, a centrifugal rotating shaft 31 is installed in a bottom wall of the centrifugal drying chamber 13 in a rotationally matched manner, a bottom plug shaft 26 capable of being in plug-in fit with the bottom plug block 25 is fixedly installed on a top end face of the centrifugal rotating shaft 31, a plug cover plate 10 is installed in a covering manner at an opening of the device housing 18, a ball chamber 83 is arranged in the plug cover plate 10, a top ball 84 is fixedly installed in a top wall of the ball chamber 83, a bottom sliding groove 85 with an upward opening is arranged in a bottom wall of the, the drying device is characterized in that a ball rotating cavity 86 with an upward opening is arranged in the ball sliding rail 89, a plurality of fixed ball shafts 87 are fixedly arranged between the inner walls of the ball rotating cavity 86, bottom balls 88 are arranged on the fixed ball shafts 87 in a rotating matching manner, ball sliding blocks 82 are arranged between the bottom balls 88 and the top balls 84 in a rotating matching manner, a fixed connecting block 81 is fixedly arranged on the bottom end surface of each ball sliding block 82, an inserting shaft mounting block 80 is fixedly arranged on the bottom end surface of the fixed connecting block 81, a top inserting shaft 21 which can be in inserting matching with the top inserting block 22 is fixedly arranged on the bottom end surface of the inserting shaft mounting block 80, a handle 12 is fixedly arranged on the top end surface of the inserting cover plate 10, so that the bottom fixing slot 27 of the drying device can be inserted by aligning with the bottom inserting shaft 26, the top inserting shaft 21 is aligned with the top fixing slot 29, the inserting cover plate 10 is covered, and when the bottom inserting shaft, the water of timber is thrown away and is filtered on the shell 24 arrives filter screen wall 20, flow into in the drainage ring groove 30 along filter screen wall 20 downwards, flow out the let-off 28 along the diapire of drainage ring groove 30 slope left, filter shell 24 rotates and drives top inserted block 22 and top inserted shaft 21 simultaneously and rotates, top inserted shaft 21 drives inserted shaft installation piece 80 and fixed connection piece 81 and rotates, fixed connection piece 81 drives ball slider 82 and rotates, ball slider 82 slides between top ball 84 and bottom ball 88, the friction is reduced.

Advantageously or exemplarily, the elastic closing part comprises a plurality of fixing pins 11 fixedly arranged on the top end face of the plug cover plate 10 at the same interval, a plurality of elastic bands 14 are fixedly arranged on the outer end face of the device shell 18, fixing plates 16 are fixedly arranged at the tail ends of the elastic bands 14, and plug pin holes 15 capable of being in sliding fit with the fixing pins 11 are arranged in the fixing plates 16, so that after the plug cover plate 10 is completely covered, the elastic bands 14 are pulled to align the plug pin holes 15 with the fixing pins 11 to be sleeved, and the fixing of the plug cover plate 10 is completed.

Beneficially or exemplarily, the driving switching component includes a driving motor 54 fixedly installed in the device housing 18, the driving motor 54 is provided with symmetrical driving cavities 55 at left and right sides, end surfaces of output shafts at left and right sides of the driving motor 54 are fixedly connected with driving shafts 53 entering the driving cavities 55, the left and right driving shafts 53 are fixedly installed with electromagnetic rotating disks 52 far away from side end surfaces, opposite side end surfaces of the left and right electromagnetic rotating disks 52 are fixedly installed with electromagnets 51, a rotating shaft fixing block 47 is fixedly installed at a bottom wall of the driving cavity 55, a connecting rotating shaft 59 is installed at the rotating shaft fixing block 47 in a rotating fit manner, opposite side end surfaces of the left and right connecting rotating shafts 59 are fixedly installed with magnetic rotating disks 48, opposite side end surfaces of the left and right magnetic rotating disks 48 are fixedly installed with permanent magnets 50 capable of attracting the electromagnets 51, and opposite side end surfaces of the left and right connecting rotating shafts, an auxiliary transmission shaft 38 is installed on the inner wall of the opposite side of the left and right driving cavity 55 in a rotating fit manner, an auxiliary bevel gear 40 is fixedly installed on the end surface of the opposite side of the left and right auxiliary transmission shaft 38, an accelerating transmission shaft 42 is installed on the bottom wall of the left driving cavity 55 in a rotating fit manner, a second bevel gear 43 engaged with the auxiliary bevel gear 40 and the first bevel gear 46 on the left side is fixedly installed on the accelerating transmission shaft 42, a gear fixing rotating block 57 is fixedly installed between the inner walls of the right driving cavity 55, a third bevel gear 58 engaged with the auxiliary bevel gear 40 and the first bevel gear 46 on the right side is installed between the gear fixing rotating blocks 57 in a rotating fit manner, a sliding square groove 49 penetrating through the bottom end surface of the device shell 18 is arranged on the bottom wall of the right driving cavity 55, a sliding square groove 56 is installed in a sliding fit, the third bevel gear 58 is in threaded fit with the threaded shaft 60, so that the driving motor 54 is started to drive the driving shaft 53 to rotate, the driving shaft 53 drives the electromagnetic rotating disc 52 and the electromagnet 51 to rotate, the electromagnet 51 is electrified to generate magnetism to generate magnetic force to attract the permanent magnet 50, the magnetic rotating disc 48 and the permanent magnet 50 are driven to rotate, the magnetic rotating disc 48 drives the connecting rotating shaft 59 and the first bevel gear 46 to rotate, the first bevel gear 46 on the left side drives the second bevel gear 43 and the acceleration transmission shaft 42 to rotate through meshing, the first bevel gear 46 on the right side drives the third bevel gear 58 to rotate through meshing, the third bevel gear 58 drives the auxiliary bevel gear 40 on the right side and the auxiliary transmission shaft 38 to rotate through meshing, the third bevel gear 58 drives the threaded shaft 60 to move through threaded fit, and the second bevel gear 43 drives the auxiliary transmission shaft 38 on.

Advantageously or exemplarily, the vacuum drying assembly comprises a vacuum drying chamber 74 with an upward opening in the device housing 18 on the right side, an inner wall of the vacuum drying chamber 74 at the opening is provided with internal threads, a threaded seal 75 is installed at the opening of the vacuum drying chamber 74 in a threaded fit manner, a second handle 76 is fixedly installed at the top end surface of the threaded seal 75, a condensate tank 72 is arranged in the inner wall of the vacuum drying chamber 74, a plurality of support rods 68 are fixedly installed on the inner wall of the vacuum drying chamber 74, a support platform 70 is fixedly installed in the middle of the support rods 68, a support insert block 71 which can be inserted and matched with the bottom fixed insert groove 27 is fixedly installed at the top end surface of the support platform 70, the vacuum drying chamber 74 is provided with a piston chamber 63 in a downward communication manner, the threaded shaft 60 extends upward into the piston chamber 63, and a piston plate 64 is fixedly installed, piston plate 64 outside terminal surface fixed mounting with the sealed rubber ring 65 of piston chamber 63 inner wall, be equipped with heating chamber 66 in the piston plate 64, a plurality of heating wires 67 of fixed mounting in the heating chamber 66 inner wall, piston chamber 63 diapire is equipped with and runs through the air channel 61 of device casing 18 bottom terminal surface to after centrifugal dehydration, aim at the bottom fixed slot 27 of drying apparatus and support inserted block 71 and insert, screw thread seal 75 soon, under driving motor 54's power, threaded shaft 60 begins to move down and drives piston plate 64 downstream, makes the atmospheric pressure in the vacuum drying chamber 74 reduce, and ligneous water begins to evaporate at low pressure state, and steam is attached to congealing water groove 72 inner wall and piston chamber 63 inner wall, and after filter housing 24 removed from the vacuum drying chamber 74, heating wire 67 starts to heat the evaporation with the water in the piston chamber 63.

Advantageously or exemplarily, the liquid nitrogen cooling device comprises a liquid nitrogen tank 77 plug-mounted in the top end face of the device housing 18, a valve 78 which is hermetically connected with a nitrogen outlet of the liquid nitrogen tank 77 is fixedly arranged in the device shell 18, a cooling pipeline 73 is hermetically arranged at a nitrogen outlet at the right side of the valve 78, the cooling pipeline 73 extends upwards around the vacuum drying cavity 74 and then penetrates through the right end face of the device shell 18 to the right, so that when the air pressure in the vacuum drying chamber 74 is reduced to the minimum for a while, the valve 78 is opened after the vapor is sufficiently evaporated, the liquid nitrogen in the liquid nitrogen tank 77 flows into the cooling pipe 73, the thermal expansion in the cooling duct 73 is discharged along the cooling duct 73, the temperature in the vacuum drying chamber 74 is lowered, the moisture attached to the inner wall of the water condensation tank 72 is condensed, and the condensed water cannot be absorbed by the wood when the internal air pressure is increased.

Advantageously or exemplarily, the accelerating means comprises an accelerating cavity 45 located below the centrifugal drying cavity 13, the centrifugal rotating shaft 31 extends downward to be rotatably fitted with the bottom wall of the accelerating cavity 45, the accelerating transmission shaft 42 extends upward to be rotatably fitted with the top wall of the accelerating cavity 45, a first large gear 44 is fixedly mounted on the accelerating transmission shaft 42 and located in the accelerating cavity 45, an accelerating rotating shaft 37 is rotatably fitted and mounted between the upper and lower inner walls of the accelerating cavity 45, a first small gear 36 engaged with the first large gear 44 is fixedly mounted on the accelerating rotating shaft 37, a second large gear 35 is fixedly mounted on the accelerating rotating shaft 37 and located above the first small gear 36, a second small gear 34 engaged with the second large gear 35 is fixedly mounted on the centrifugal rotating shaft 31 and located in the accelerating cavity 45, and an auxiliary accelerating shaft 33 is rotatably fitted and mounted between the upper and lower inner walls of the accelerating cavity 45 and located on the left side of the centrifugal rotating shaft 31, the auxiliary accelerating shaft 33 is fixedly provided with an auxiliary accelerating gear 32 meshed with the second pinion 34, so that when the accelerating transmission shaft 42 rotates, the first gearwheel 44 is driven to rotate, the first gearwheel 44 drives the first pinion 36 and the accelerating rotating shaft 37 to rotate rapidly through meshing, the accelerating rotating shaft 37 drives the second gearwheel 35 to rotate, the second gearwheel 35 drives the rapid second pinion 34 to rotate through meshing, the second pinion 34 drives the centrifugal rotating shaft 31 and the bottom inserting shaft 26 to rotate, and the second pinion 34 drives the auxiliary accelerating gear 32 and the auxiliary accelerating shaft 33 to rotate through meshing.

Advantageously or exemplarily, the button switch comprises symmetrical button grooves 91 in the left and right side end surfaces of the device shell 18, the button grooves 91 are internally and slidably fitted with buttons 90, return springs 95 are fixedly mounted between the opposite side end surfaces of the left and right buttons 90 and the opposite side inner walls of the left and right button grooves 91, contact switches 94 are fixedly mounted on the opposite side inner walls of the left and right button grooves 91, limit sliding grooves 93 are symmetrically arranged in the upper and lower inner walls of the button grooves 91, limit sliders 92 are symmetrically and fixedly mounted on the upper and lower end surfaces of the button 90 and slidably fitted with the limit sliding grooves 93, so that when the button 90 is pressed, the button 90 is in contact with the contact switches 94 and is reset under the action of the return springs 95, the contact switches 94 on the left side are pressed to activate the driving motor 54, the electromagnets 51 on the left side to energize the centrifugal drying area for drying, the button 90 on the right side is pressed to energize the electromagnets 51 on the right side to energize, pressing the button 90 of the corresponding side again disconnects the current to the electromagnet 51 of the corresponding side, and the drive motor 54 stops after both sides are disconnected.

When the filter is used, wood is added into the filter shell 24 through the wood inlet 23, the bottom fixing slot 27 is inserted by aligning with the bottom inserting shaft 26, the top inserting shaft 21 is inserted by aligning with the top fixing slot 29, the inserting cover plate 10 is covered, the elastic band 14 is pulled to enable the inserting hole 15 to be aligned with the fixing pin 11, the fixing of the inserting cover plate 10 is completed, the left electromagnet 51 is electrified to generate magnetism after the left button 90 is pressed, the driving motor 54 is started to drive the driving shaft 53 to rotate, the driving shaft 53 drives the electromagnetic turntable 52 and the electromagnet 51 to rotate, the left electromagnet 51 is electrified to generate magnetism to be attracted with the permanent magnet 50 to drive the magnetic turntable 48 and the permanent magnet 50 to rotate, the magnetic turntable 48 drives the connecting rotating shaft 59 and the first bevel gear 46 to rotate, the left first bevel gear 46 drives the second bevel gear 43 and the accelerating large gear 42 to rotate by meshing, the first large gear 44 is driven to rotate, the first small gear 36 and the, the accelerating rotation shaft 37 drives the second gearwheel 35 to rotate, the second gearwheel 35 drives the fast second pinion 34 to rotate through meshing, the second pinion 34 drives the centrifugal rotation shaft 31 and the bottom insertion shaft 26 to rotate, the second pinion 34 drives the auxiliary accelerating gear 32 and the auxiliary accelerating shaft 33 to rotate through meshing, the bottom insertion shaft 26 drives the bottom insertion block 25 and the filter shell 24 to rotate, wood water is thrown out of the filter shell 24 to the filter screen wall 20, the wood water flows downwards into the water filtering ring groove 30 along the filter screen wall 20 and flows out of the drainage opening 28 leftwards along the inclined bottom wall of the water filtering ring groove 30, the filter shell 24 rotates and drives the top insertion block 22 and the top insertion shaft 21 to rotate, the top insertion shaft 21 drives the insertion shaft mounting block 80 and the fixed connection block 81 to rotate, the fixed connection block 81 drives the ball slide block 82 to rotate, the ball slide block 82 slides between the top ball 84 and the bottom ball 88, and friction is reduced, after centrifugal dehydration, the filter housing 24 is taken out and put into a vacuum drying chamber 74, the bottom fixing slot 27 is inserted in alignment with the supporting insert 71, the threaded seal 75 is screwed on, the right button 90 is pressed, the right electromagnet 51 is electrified and attracted to the right permanent magnet 50 to drive the right first bevel gear 46 to rotate, the right first bevel gear 46 drives the third bevel gear 58 to rotate through meshing, the third bevel gear 58 drives the right auxiliary bevel gear 40 and the auxiliary transmission shaft 38 to rotate through meshing, the third bevel gear 58 drives the threaded shaft 60 to move through threaded fit, the second bevel gear 43 drives the left auxiliary transmission shaft 38 and the auxiliary bevel gear 40 to rotate through meshing, the threaded shaft 60 starts to move downwards to drive the piston plate 64 to move downwards, so that the air pressure in the vacuum drying chamber 74 is reduced, the wood water starts to evaporate in a low-pressure state, and the steam adheres to the inner wall of the water condensing tank 72 and the inner wall of the piston chamber 63, after the air pressure in the vacuum drying cavity 74 is reduced to the minimum value and continues for a period of time, the valve 78 is opened after the vapor is fully evaporated, the liquid nitrogen in the liquid nitrogen tank 77 flows into the cooling pipeline 73, the heat absorption expansion in the cooling pipeline 73 is discharged along the cooling pipeline 73, the temperature in the vacuum drying cavity 74 is reduced, the vapor attached to the inner wall of the water condensation tank 72 is condensed, the condensed water cannot be absorbed by wood after the internal air pressure is increased, and after the filter shell 24 is removed from the vacuum drying cavity 74, the heating wire 67 is started to heat and evaporate the water in the piston cavity 63.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. A wood-drying apparatus comprising a device housing and a drying appliance, characterized in that: the device comprises a device shell, wherein a centrifugal drying area is arranged in the device shell, the centrifugal drying area comprises a centrifugal drying cavity and an inserting cover plate which is arranged at the opening of the centrifugal drying cavity in a covering mode, an elastic sealing part which is used for fixing the inserting cover plate is arranged between the inserting cover plate and the device shell, a vacuum drying assembly is arranged on the right side of the centrifugal drying area in the device shell and comprises a vacuum drying cavity with an upward opening and a threaded seal which is arranged at the opening of the vacuum drying cavity in a threaded matching mode, a supporting insert block and a supporting rod which are used for fixing a drying appliance are further arranged in the device shell, the vacuum drying assembly further comprises a liquid nitrogen cooling device which is arranged on the left side, a cooling pipeline which extends upwards spirally in the outer side of the vacuum drying cavity is further arranged, and a driving switching part is further arranged between the centrifugal drying area and the vacuum drying assembly, the device comprises a vacuum drying assembly, a driving switching component, an accelerating component, a button switch, a driving motor, two symmetrical driving cavities, an electromagnet and a permanent magnet, wherein the electromagnet and the permanent magnet are used for switching the driving direction, the electromagnet and the permanent magnet are in controllable magnetic force fit control connection, the using function is switched or the two functions are used simultaneously, the driving switching component directly provides power for the vacuum drying assembly, the accelerating component is arranged below the centrifugal drying area, the rotating speed provided by the driving switching component is accelerated by the accelerating component and then converted into the rotation of the centrifugal drying area, the button switch is symmetrically arranged in the left end surface and the right end surface of a shell of the device, and the function switching is controlled by; the drying appliance comprises a filter shell, the top end face of the filter shell is provided with a wood inlet communicated with the interior, the top end face of the filter shell is fixedly provided with a top insert block, the top end face of the top insert block is internally provided with a top fixing slot with an upward opening, the bottom end face of the filter shell is fixedly provided with a bottom insert block, and the bottom end face of the bottom insert block is internally provided with a bottom fixing slot with a downward opening; the centrifugal drying area comprises a centrifugal drying cavity with an upward opening in the device shell, a filter screen wall is fixedly installed in the inner wall of the centrifugal drying cavity, an annular water filtering ring groove which inclines leftwards is arranged below the filter screen wall, a discharge opening penetrating through the left end face of the device shell is formed in the left inner wall of the water filtering ring groove, a centrifugal rotating shaft is installed in the bottom wall of the centrifugal drying cavity in a rotating fit mode, a bottom inserting shaft which can be matched with the bottom inserting block in an inserting mode is fixedly installed on the top end face of the centrifugal rotating shaft, an inserting cover plate is installed at the opening of the device shell in a covering mode, a ball cavity is formed in the inserting cover plate, a top ball is fixedly installed in the top wall of the ball cavity, a bottom sliding groove with an upward opening is formed in the bottom wall of the ball cavity, a ball sliding rail is fixedly installed in the bottom sliding groove, a ball rotating cavity with, a bottom ball is installed on the fixed ball shaft in a rotating matching mode, a ball sliding block is installed between the bottom ball and the top ball in a rotating matching mode, a fixed connecting block is fixedly installed on the bottom end face of the ball sliding block, an inserting shaft installing block is fixedly installed on the bottom end face of the fixed connecting block, a top inserting shaft which can be in inserting matching with the top inserting block is fixedly installed on the bottom end face of the inserting shaft installing block, and a first handle is fixedly installed on the top end face of the inserting cover plate; the elastic sealing part comprises a plurality of fixing pins which are fixedly arranged on the top end face of the inserting cover plate and have the same interval, a plurality of elastic belts are fixedly arranged on the outer end face of the device shell, fixing pieces are fixedly arranged at the tail ends of the elastic belts, and inserting pin holes which can be in sliding fit with the fixing pins are formed in the fixing pieces; the driving switching part comprises a driving motor fixedly arranged in the device shell, symmetrical driving cavities are arranged on the left side and the right side of the driving motor, the end surfaces of output shafts on the left side and the right side of the driving motor are fixedly connected with a driving shaft entering the driving cavities, electromagnetic turnplates are fixedly arranged on the left side and the right side of the driving shaft far away from the end surfaces, electromagnets are fixedly arranged on the left side and the right side of the electromagnetic turnplates, a rotating shaft fixing block is fixedly arranged on the bottom wall of the driving cavity, a connecting rotating shaft is rotatably matched and arranged at the rotating shaft fixing block, magnetic turnplates are fixedly arranged on the left side and the right side of the connecting rotating shaft far away from the end surfaces, permanent magnets capable of attracting the electromagnets are fixedly arranged on the left side and the right side of the magnetic turnplates, a, auxiliary bevel gears are fixedly installed on the end faces of the left side and the right side of the auxiliary transmission shaft, an accelerating transmission shaft is installed in the bottom wall of the driving cavity on the left side in a rotating and matching mode, a second bevel gear meshed with the auxiliary bevel gear and the first bevel gear on the left side is fixedly installed on the accelerating transmission shaft, a gear fixing rotating block is fixedly installed between the inner walls of the driving cavity on the right side, a third bevel gear meshed with the auxiliary bevel gear and the first bevel gear on the right side is installed between the gear fixing rotating blocks in a rotating and matching mode, a sliding square groove penetrating through the end face of the bottom of the device shell is formed in the bottom wall of the driving cavity on the right side, a sliding block is installed in the sliding square groove in a sliding and matching mode; the vacuum drying assembly comprises a vacuum drying cavity with an upward opening in the device shell on the right side, an internal thread is arranged on the inner wall of the opening of the vacuum drying cavity, the opening of the vacuum drying cavity is in thread fit with a thread seal, a second handle is fixedly arranged on the top end face of the thread seal, a water condensing groove is arranged in the inner wall of the vacuum drying cavity, a plurality of support rods are fixedly arranged on the inner wall of the vacuum drying cavity, a support supporting table is fixedly arranged in the middle of the support rods, the top end face of the supporting table is fixedly provided with a support inserting block which is in inserting fit with the bottom fixing inserting groove, the vacuum drying cavity is downwards communicated with a piston cavity, a thread shaft extends upwards into the piston cavity, a piston plate is fixedly arranged on the top end face of the thread shaft, a rubber ring sealed with the inner wall of the piston cavity is fixedly, a plurality of electric heating wires are fixedly arranged in the inner wall of the heating cavity, and a vent groove penetrating through the end face of the bottom of the device shell is formed in the bottom wall of the piston cavity; the liquid nitrogen cooling device comprises a liquid nitrogen tank inserted and installed in the top end face of the device shell, a valve hermetically connected with a nitrogen outlet of the liquid nitrogen tank is fixedly installed in the device shell, a cooling pipeline is hermetically installed at the nitrogen outlet on the right side of the valve, and the cooling pipeline penetrates through the right end face of the device shell after extending upwards around the vacuum drying cavity; the acceleration component comprises an acceleration cavity positioned below the centrifugal drying cavity, the centrifugal rotating shaft extends downwards to be in rotating fit with the bottom wall of the acceleration cavity, the accelerating transmission shaft extends upwards to be matched with the top wall of the accelerating cavity in a rotating way, a first large gear is fixedly arranged on the accelerating transmission shaft in the accelerating cavity, an accelerating rotating shaft is arranged between the upper inner wall and the lower inner wall of the accelerating cavity in a rotating fit manner, a first pinion meshed with the first gearwheel is fixedly arranged on the accelerating rotating shaft, a second bull gear is fixedly arranged on the acceleration rotating shaft above the first pinion gear, a second pinion gear meshed with the second bull gear is fixedly arranged on the centrifugal rotating shaft in the acceleration cavity, an auxiliary accelerating shaft is arranged between the upper inner wall and the lower inner wall of the accelerating cavity and positioned at the left side of the centrifugal rotating shaft in a rotating fit manner, an auxiliary accelerating gear meshed with the second pinion is fixedly mounted on the auxiliary accelerating shaft; button switch is including being located the button groove of symmetry in the device casing left and right sides terminal surface, button inslot sliding fit installation button is controlled button opposite side terminal surface and left and right sides fixed mounting reset spring controls between the button groove opposite side inner wall fixed mounting contact switch, button inslot inner wall internal symmetry is equipped with spacing spout about the groove, button up-down terminal surface symmetry fixed mounting with spacing spout sliding fit's spacing slider.