Box-type wood vacuum drying machine

Abstract

The utility model provides a box-type wood vacuum dryer, which comprises a drying box, a heating box and a collecting box, a sliding rail is fixedly connected in the drying box, the top end of the sliding rail is slidably connected with a support frame, the top end of the support frame is slidably connected with the collecting box, the middle part of the support frame is rotatably connected with a second rotating shaft, and the outer wall of the second rotating shaft is fixedly connected with a turntable; the outer wall of the rotating disc is fixedly connected with a mounting ventilation frame, the outer wall of the mounting ventilation frame is fixedly connected with a limiting frame through bolts, the two sides of the drying box are provided with through air boxes, the top end of the drying box is fixedly connected with a heating box, a motor is started to drive a gear to rotate, and the gear is meshed to drive the gear fixed to a rotating shaft to rotate; and a rotating shaft and a rotating disc are pushed, the rotating disc drives a mounting ventilation frame and a limiting frame to rotate, wood needing to be heated can be conveniently shaken, wood chips on the surface of the wood fall to the top end of a collecting box from holes of the mounting ventilation frame to be collected, and the situation that the drying degree is affected by the wood chips on the surface of the wood is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of wood vacuum dryers, in particular to a box-type wood vacuum dryer. Background Art

[0002] Wood vacuum drying is to stack wood in a closed container and carry out drying under the condition of lower than atmospheric pressure, and its drying medium is wet air. During vacuum drying, the water vapor pressure difference inside and outside the wood increases, accelerating the internal moisture migration speed of the wood; at the same time, due to the low boiling point of water in a vacuum state, a higher drying rate can be achieved at a lower temperature, with good drying quality, and it is especially suitable for hard broad-leaved woods with good air permeability, easy to shrink, or larger thickness.

[0003] According to a disclosed box-type wood vacuum dryer (authorization publication number: CN204006981U), it is described that "a box-type wood vacuum dryer includes a box body, an upper cover, a lock, a control cabinet, a water inlet, a circulation pump, a cooling water tank, a heating plate, a vacuum pump, a communicating vessel, and a drain port. The box body and the upper cover are hermetically fastened by the lock. The control cabinet is fixedly installed on the side wall of the box body. The water inlet is located on the side wall of the box body. The circulation pump is installed at the bottom of the box body, and the circulation pump communicates with the water pipe inside the box body. The cooling water tank is welded to the side wall of the box body. The heating plate is located at the bottom of the box body. The vacuum pump is fixed on the box body. The communicating vessels are respectively located at both ends of the bottom of the box body. The drain port is located at the rear of the box body. It also includes a hanging bracket, a hoisting crane, a slideway, and a slideway bracket. The hanging bracket is welded to the slideway bracket. The slideway is located above the slideway bracket, and the slideway is vertically arranged with the box body. The hook of the hoisting crane is located in the slideway. The beneficial effect is that mechanical hoisting and loading of materials can be realized, the loading speed can be accelerated, and thus the production efficiency is improved."

[0004] Existing wood is limited and immovable, and it can only be dried from one place during drying, resulting in low drying efficiency and inability to eliminate the sawdust on the wood surface. Therefore, it is necessary to improve a box-type wood vacuum dryer to solve the above problems. Content of the Utility Model

[0005] In view of this, the utility model provides a box-type wood vacuum dryer to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0006] The technical solution of the embodiment of the utility model is realized as follows: A box-type wood vacuum dryer includes a drying box, a heating box and a collection box. A slide rail is fixedly connected inside the drying box. The top end of the slide rail is slidably connected with a support frame. The top end of the support frame is slidably connected with a collection box. The middle part of the support frame is rotatably connected with a second rotating shaft. The outer wall of the second rotating shaft is fixedly connected with a turntable. The outer wall of the turntable is fixedly connected with an installation ventilation frame. The outer wall of the installation ventilation frame is fixedly connected with a limiting frame through bolts. Both sides of the drying box are provided with through gas boxes. The top end of the drying box is fixedly connected with a heating box.

[0007] Further preferably, a heating pipe is fixedly connected inside the heating box. One end of the heating pipe is fixedly connected with a temperature controller. The outer wall of the temperature controller is fixedly connected to the outer wall of the heating box. The outer wall of the heating box is connected with a water inlet pipe in a penetrating manner.

[0008] Further preferably, a motor is fixedly connected to the outer wall of the support frame. The output end of the motor is fixedly connected with a gear. The outer wall of the second rotating shaft is fixedly connected to the middle part of the gear. The gears are meshed with each other.

[0009] Further preferably, a trachea is connected to the top end of the gas box in a penetrating manner. One end of the trachea is connected to both sides of the heating box in a penetrating manner.

[0010] Further preferably, a first blower is arranged inside the gas box. A second blower is fixedly connected inside the heating box.

[0011] Further preferably, a limiting hole is arranged between the support frame and the turntable. A pin is arranged inside the limiting hole.

[0012] Further preferably, a first rotating shaft is fixedly connected to the outer wall of the drying box. The outer wall of the first rotating shaft is fixedly connected with a box door. The bottom end of the drying box is fixedly connected with a base. A water discharge valve is connected to the bottom end of the drying box in a penetrating manner. A vacuum machine is connected to the top end of the drying box in a penetrating manner.

[0013] Due to the adoption of the above technical solutions in the embodiment of the utility model, it has the following advantages: In the utility model

[0014] First, by starting the motor to drive the gear to rotate, the meshing of the gears drives the gear fixed on the rotating shaft to rotate, and then drives the rotating shaft and the turntable. The turntable drives the installation ventilation frame and the limiting frame to rotate, which is convenient for shaking the wood to be heated, so that the sawdust on the surface of the wood falls from the pores of the installation ventilation frame to the top of the collection box for collection, avoiding the influence of the sawdust on the surface of the wood on the drying degree;

[0015] Second, water is introduced into the interior of the heating box along the water inlet pipe, and the temperature controller is activated to control the heating tube to heat the water into steam. The second fan is started to introduce the steam into the air pipe and then into the interior of the air box along the air pipe. The first fan inside the air box is started to introduce the steam into the interior of the box body, facilitating three-sided heating and drying of the wood. The water droplets generated by the steam are discharged along the drain valve at the bottom, and the wood can be comprehensively dried by rotating the wood.

[0016] The above summary is only for the purpose of the specification and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will be readily apparent by reference to the drawings and the following detailed description. Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is the overall structure diagram of the present utility model;

[0019] Figure 2 It is the overall internal structure diagram of the present utility model;

[0020] Figure 3 It is the overall cross-sectional schematic diagram of the present utility model;

[0021] Figure 4 It is the combined schematic diagram of the limiting frame and the installation ventilation frame of the present utility model.

[0022] Reference numerals: 1, drying box; 2, base; 3, air box; 4, air pipe; 5, heating box; 6, vacuum machine; 7, water inlet pipe; 8, temperature controller; 9, first rotating shaft; 10, box door; 11, heating tube; 12, first fan; 13, slide rail; 14, support frame; 15, turntable; 16, second rotating shaft; 17, limiting frame; 18, installation ventilation frame; 19, motor; 20, gear; 21, limiting hole; 22, bolt; 23, collection box; 24, second fan; 25, drain valve. Detailed Embodiments

[0023] In the following text, only some exemplary embodiments are briefly described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0024] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0025] Embodiment

[0026] As Figures 1-4 shown, the embodiment of the present utility model provides a box-type wood vacuum dryer, which includes a drying box 1, a heating box 5 and a collection box 23. A slide rail 13 is fixedly connected inside the drying box 1. The top of the slide rail 13 is slidably connected with a support frame 14. The top of the support frame 14 is slidably connected with a collection box 23. The middle of the support frame 14 is rotatably connected with a second rotating shaft 16. The outer wall of the second rotating shaft 16 is fixedly connected with a turntable 15. The outer wall of the turntable 15 is fixedly connected with a mounting ventilation frame 18. The outer wall of the mounting ventilation frame 18 is fixedly connected with a limiting frame 17 by bolts. Both sides of the drying box 1 are provided with through air boxes 3. The top of the drying box 1 is fixedly connected with a heating box 5. Start the temperature controller 8 to control the heating tube 11 to heat, so that water becomes water vapor. By starting the second fan 24, the steam is introduced into the air pipe 4 and led into the air box 3 along the air pipe 4. By starting the first fan 12 inside the air box 3, the steam is introduced into the box body, which is convenient for three-sided heating and drying of the wood.

[0027] In one embodiment, specifically, a heating tube 11 is fixedly connected inside the heating box 5. One end of the heating tube 11 is fixedly connected with a temperature controller 8. The outer wall of the temperature controller 8 is fixedly connected to the outer wall of the heating box 5. The outer wall of the heating box 5 is connected with a water inlet pipe 7 in a penetrating manner. Water is led into the heating box 5 along the water inlet pipe 7.

[0028] In one embodiment, specifically, a motor 19 is fixedly connected to the outer wall of the support frame 14. The output end of the motor 19 is fixedly connected with a gear 20. The outer wall of the second rotating shaft 16 is fixedly connected to the middle of the gear 20. The gears 20 are meshed with each other. By starting the motor 19 to drive the gear 20 to rotate, the meshed gears 20 drive the gears 20 fixed on the rotating shaft to rotate, and push the rotating shaft and the turntable 15. The turntable 15 drives the mounting ventilation frame 18 and the limiting frame 17 to rotate, which is convenient for shaking the wood to be heated.

[0029] In one embodiment, specifically, the top of the air box 3 is connected with an air pipe 4 in a penetrating manner. One end of the air pipe 4 is connected to both sides of the heating box 5 in a penetrating manner.

[0030] In one embodiment, specifically, a first fan 12 is provided inside the air box 3, a second fan 24 is fixedly connected inside the heating box 5, the temperature controller 8 is started to control the heating tube 11 to heat, so that water turns into water vapor, and the steam is introduced into the air pipe 4 by starting the second fan 24, and then introduced into the air box 3 along the air pipe 4, and the steam is introduced into the box body by starting the first fan 12 inside the air box 3, so as to facilitate heating and drying of the wood on three sides.

[0031] In one embodiment, specifically, a limiting hole 21 is provided between the support frame 14 and the turntable 15 , and a latch 22 is provided inside the limiting hole 21 .

[0032] In one embodiment, specifically, the outer wall of the drying box 1 is fixedly connected to the first rotating shaft 9, the outer wall of the first rotating shaft 9 is fixedly connected to the box door 10, the bottom end of the drying box 1 is fixedly connected to the base 2, the bottom end of the drying box 1 is through-connected to the drain valve 25, and the top end of the drying box 1 is through-connected to the vacuum machine 6, and the vacuum machine 6 is started to discharge the air inside the drying box 1.

[0033] When the utility model is working, the support frame 14 is slid out along the bottom slide rail 13, and the dried wood is placed inside the air-permeable frame 18, and the limit frame 17 is fixed together with bolts. After installation, the support frame 14 is introduced into the drying box 1, and the latch 22 is pulled out, and the gear 20 is driven to rotate by the start motor 19, and the gear 20 is engaged to drive the gear 20 fixed on the rotating shaft to rotate, and the rotating shaft and the turntable 15 are pushed, and the turntable 15 drives the air-permeable frame 18 and the limit frame 17 to rotate, so that the wood to be heated can be shaken, so that the wood chips on the surface of the wood can fall from the pores of the air-permeable frame 18 to the top of the collection box 23. Collect the wood chips on the surface of the wood to prevent them from affecting the degree of drying. By closing the box door 10 and starting the vacuum machine 6 to exhaust the air inside the drying box 1, water is introduced into the heating box 5 along the water inlet pipe 7, and the temperature controller 8 is started to control the heating tube 11 to heat the water, so that the water becomes water vapor. By starting the second fan 24, the steam is introduced into the air pipe 4, and then introduced into the air box 3 along the air pipe 4. By starting the first fan 12 inside the air box 3, the steam is introduced into the box body, so that the wood can be heated and dried on three sides. The water droplets generated by the steam are discharged along the drain valve 25 at the bottom. The wood can be fully dried by rotating the wood.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A box-type wood vacuum dryer, comprising a drying box (1), a heating box (5) and a collecting box (23), characterized in that: The drying box (1) is fixedly connected with a slide rail (13) inside, the top end of the slide rail (13) is slidably connected with a support frame (14), the top end of the support frame (14) is slidably connected with a collection box (23), the middle part of the support frame (14) is rotatably connected with a second rotating shaft (16), the outer wall of the second rotating shaft (16) is fixedly connected with a turntable (15), the outer wall of the turntable (15) is fixedly connected with an installation air frame (18), the outer wall of the installation air frame (18) is fixedly connected with a limiting frame (17) by bolts, through air boxes (3) are arranged on both sides of the drying box (1), and the top end of the drying box (1) is fixedly connected with a heating box (5).

2. A box-type wood vacuum dryer according to claim 1, characterized in that: A heating tube (11) is fixedly connected to the interior of the heating box (5), one end of the heating tube (11) is fixedly connected to a temperature controller (8), the outer wall of the temperature controller (8) is fixedly connected to the outer wall of the heating box (5), and the outer wall of the heating box (5) is connected through a water inlet pipe (7).

3. A box-type wood vacuum dryer according to claim 1, characterized in that: The outer wall of the support frame (14) is fixedly connected to a motor (19), the output end of the motor (19) is fixedly connected to a gear (20), the outer wall of the second rotating shaft (16) is fixedly connected to the middle part of the gear (20), and the gears (20) are meshingly connected.

4. The box-type wood vacuum dryer according to claim 1, characterized in that: The top end of the air box (3) is connected to an air pipe (4), and one end of the air pipe (4) is connected to two sides of the heating box (5).

5. The box-type wood vacuum dryer according to claim 1, characterized in that: The air box (3) is provided with a first fan (12) inside, and the heating box (5) is fixedly connected with a second fan (24) inside.

6. The box-type wood vacuum dryer according to claim 1, characterized in that: A limiting hole (21) is provided between the support frame (14) and the rotating disk (15), and a latch (22) is provided inside the limiting hole (21).

7. The box-type wood vacuum dryer according to claim 1, characterized in that: The outer wall of the drying box (1) is fixedly connected to a first rotating shaft (9), the outer wall of the first rotating shaft (9) is fixedly connected to a box door (10), the bottom end of the drying box (1) is fixedly connected to a base (2), the bottom end of the drying box (1) is connected through a drain valve (25), and the top end of the drying box (1) is connected through a vacuum machine (6).

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