CN210242307U

CN210242307U - Open-type tunnel veneer drying box

Info

Publication number: CN210242307U
Application number: CN201921292906.XU
Authority: CN
Inventors: Yiqiang Wang; 王义强
Original assignee: Weifang Qiao Drying Equipment Technology Co ltd
Current assignee: Weifang Qiao Drying Equipment Technology Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-04-03
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses an open type tunnel veneer drying box body, which comprises a cuboid box body, wherein a clapboard which divides the inner cavity of the box body into an upper blowing cavity and a lower conveying cavity is arranged in the box body; the left side part of the clapboard is provided with an air outlet, and the right side part of the clapboard is provided with an air inlet; the front blowing mechanism positioned at the front part of the blowing cavity, the rear blowing mechanism positioned at the rear part of the blowing cavity and a heating device for heating the air sucked by the front blowing mechanism are arranged in the blowing cavity. The open type tunnel veneer drying box can enable the veneer to be heated averagely, so that the veneer curvature is reduced, hot air can be recycled, and the hot air with overhigh humidity is discharged according to use requirements.

Description

Open-type tunnel veneer drying box

Technical Field

The utility model relates to an open-type tunnel veneer stoving box.

Background

The furniture manufacturing industry and the decoration industry usually use veneer veneering technology to produce in a large quantity, the veneer is generally a veneer which is directly cut from a wood block by a slicing machine, the thickness of the veneer is cut into different thickness specifications according to the use requirement, and then the veneer is dried by a dryer; the existing drying machine generally comprises an oven with two open ends, a conveying belt is arranged in the oven, the veneer is horizontally placed on the net-shaped conveying belt and is conveyed from a feeding end to a discharging end of the oven through the conveying belt, hot air in the oven is blown to the lower side from the upper side of the oven and is directly discharged to the outer side of the oven, and therefore the hot air waste is large, the cost is high, and secondly, the veneer single side is heated, and the veneer is easy to bend.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, convenient to use enables the veneer and is heated on average to alleviate veneer crookedness, secondly, hot-blast ability recovery is recycled, and carries out the open-type tunnel veneer stoving box that discharges to the hot-blast too high humidity according to the use needs.

In order to solve the technical problem, the utility model discloses a box of cuboid form, its structural feature is: the box body is internally provided with a clapboard which divides the inner cavity of the box body into an air blowing cavity at the upper side and a material conveying cavity at the lower side, the front end of the box body is provided with a material inlet communicated with the material conveying cavity, and the rear end of the box body is provided with a material outlet communicated with the material conveying cavity;

the left side part of the partition board is provided with an air outlet, the right side part of the partition board is provided with an air inlet, and the air inlet and the air outlet extend from the front end of the box body to the rear end of the box body;

the front air blowing mechanism and the rear air blowing mechanism are arranged in the air blowing cavity, the front air blowing mechanism is positioned at the front part of the air blowing cavity, and the rear air blowing mechanism is positioned at the rear part of the air blowing cavity; and a heating device for heating the air sucked by the front air blowing mechanism is arranged in the air blowing cavity.

After the structure is adopted, a conveying belt device capable of conveying the veneers from the feeding hole to the discharging hole at a constant speed can be installed in the conveying cavity, and meanwhile, the front air blowing mechanism sucks air in the conveying cavity to the air blowing cavity, heats the air and blows the air into the conveying cavity below the air blowing cavity, so that the drying operation is carried out on the veneers below the air blowing cavity; then the air blowing mechanism only sucks air in the lower conveying cavity to the air blowing cavity and then blows the air into the conveying cavity, so that the wood veneer positioned at the rear part of the conveying belt is blown and cooled, and the cooled wood veneer is discharged from the discharge hole; therefore, utilize this stoving case physical stamina to improve hot-blast recycle ratio to reduce the energy consumption, secondly, can improve drying efficiency.

In order to exhaust the gas with overhigh humidity in the box body, an exhaust port and an air inlet are arranged at the top of the box body in the front blowing mechanism area.

In order to conveniently realize the structure of the air outlet and the air inlet, the partition plate is connected between the front box wall and the rear box wall; the left side part of the clapboard and the left box wall of the box body are arranged at intervals so as to form a gap opening for forming an air outlet; the right side of the partition board and the right box wall of the box body are arranged at intervals to form a gap opening for forming the air inlet.

In order to avoid the airflow from generating vortexes at the included angles of the air blowing cavity and further influence the air flowability, the included angles on the left side and the right side of the top of the air blowing cavity are respectively connected with an upper air deflector which is arranged in an arc shape; the upper side edge of the upper air deflector is connected to the upper box wall of the box body, the lower side edge of the upper air deflector is connected to the side box wall on the same side of the box body, the front side edge of the upper air deflector is connected to the front box wall, and the rear side edge of the upper air deflector is connected to the rear box wall.

Furthermore, a vertical plate for dividing the air blowing cavity into a left cavity and a right cavity is arranged in the air blowing cavity, and a plurality of ventilation openings which are arranged at intervals are uniformly distributed on the vertical plate; the rear blowing mechanism comprises a rear blowing blade arranged in a ventilation opening at the rearmost side, and a rear blowing motor for driving the rear blowing blade to rotate is arranged outside the box body; the front blowing mechanism comprises front blowing blades which are respectively installed in the residual ventilation openings, and a plurality of front blowing motors which are arranged at intervals in the front-back direction and drive the front blowing blades to rotate independently are installed outside the box body.

The heating device comprises a heating pipe which is arranged at an air outlet of the front blowing blade so as to heat air blown out by the front blowing blade.

In order to guide the airflow to the top of the conveying belt device conveniently, so as to dry the veneer on the conveying belt device, a conveying belt device for conveying the veneer from a feeding hole to a discharging hole can be arranged in the conveying cavity; the left air guide plate obliquely extending towards the right lower side is arranged on the left side face of the material conveying cavity, the right air guide plate obliquely extending towards the left lower side is arranged on the right side face of the material conveying cavity, and a gap between the lower side edges of the left air guide plate and the right air guide plate is matched with the left width and the right width of the conveyor belt device.

To sum up, the utility model discloses simple structure, convenient to use enables the veneer and is heated on average to alleviate veneer crookedness, secondly, hot-blast can be retrieved and is recycled, and discharges the hot-blast too high humidity according to the use needs.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic sectional top view of the present invention;

fig. 4 is a schematic sectional view taken along line a-a of fig. 3.

Detailed Description

Referring to the attached drawings, the open type tunnel veneer drying box comprises a cuboid box body, the box body comprises two side box walls arranged at left and right intervals and a top wall connected between the tops of the two side box walls, meanwhile, a partition plate 3 for dividing an inner cavity of the box body into an air blowing cavity 1 at the upper side and a material conveying cavity 2 at the lower side is arranged in the box body, secondly, a rear box wall and a front box wall which are plugged at openings at two ends of the air blowing cavity 1 are respectively arranged at the front end and the rear end of the box body, and meanwhile, a front opening of the material conveying cavity 2 is defined as a feeding hole, and; in addition, a conveyer belt device 4 for conveying the veneers from the feeding hole to the discharging hole can be installed in the conveying cavity 2, the structure of the conveyer belt device 4 is not limited, and the conveyer belt device 4 only needs to convey the veneers from the feeding hole to the discharging hole; certainly, in order to smoothly guide the airflow of the blowing cavity 1 to the top of the conveyer belt device 4 so as to dry the veneer on the conveyer belt device 4, a left air deflector 16 which obliquely extends towards the lower right is arranged on the left side surface of the conveying cavity 2; meanwhile, in order to enable the air flow in the material conveying cavity 2 to be sucked into the air blowing cavity 1 again, a right air deflector 17 which extends obliquely leftwards and downwards is arranged on the right side surface of the material conveying cavity 2, the front length and the rear length of the left air deflector 16 and the right air deflector 17 are consistent with the length of a side box wall, the left air deflector 16 and the right air deflector 17 are preferably arc-shaped plates, and in addition, the gap between the lower sides of the left air deflector 16 and the right air deflector 17 is adaptive to the left width and the right width of the conveyor belt device 4.

As shown in fig. 2-4, in order to dry the veneer on the conveyor belt, the left side of the partition board 3 is provided with an air outlet 5, the right side is provided with an air inlet 6, and the air inlet 6 and the air outlet 5 extend from the front end of the box body to the rear end of the box body; in order to conveniently realize the structure of the air outlet 5 and the air inlet 6, the clapboard 3 can be directly connected between the front box wall and the rear box wall, and meanwhile, the left side part of the clapboard 3 and the left box wall of the box body are arranged at a distance of about 15cm so as to form a gap opening for forming the air outlet 5; the right side part of the partition plate 3 and the right box wall of the box body are arranged at an interval of about 15cm to form a gap opening for forming the air inlet 6, so that the air inlet 6 and the air outlet 5 are both strip-shaped openings, and air flow in the air blowing cavity 1 can be discharged into the material conveying cavity 2 at a constant speed.

As shown in fig. 2-4, in order to dry and cool the veneer, a front blowing mechanism located in the front of the blowing cavity 1 and a rear blowing mechanism located in the rear of the blowing cavity 1 are further installed in the blowing cavity 1, and the front blowing mechanism and the rear blowing mechanism draw air at a position corresponding to the air inlet 6 on the right side into the blowing cavity 1 and discharge the air into the material conveying cavity 2 from the air outlet 5 corresponding to the left side; meanwhile, a heating device 7 for heating the air sucked by the front blowing mechanism is installed in the blowing chamber 1. In order to realize the structure of the front blowing mechanism and the rear blowing mechanism, firstly, a vertical plate 11 which divides the blowing cavity 1 into a left cavity and a right cavity is installed in the blowing cavity 1, the upper side of the vertical plate 11 is connected with the top wall, the lower side of the vertical plate 11 is connected with a partition plate 3, the rear box wall connected with the rear side is connected with the rear side, the front side is connected with the front box wall, in addition, a plurality of ventilation openings which are arranged at intervals are evenly distributed on the vertical plate 11, the number of the ventilation openings is increased according to the length increase of the box body, and the number of the ventilation openings in figure 3 is; in addition, the rear blower mechanism includes a rear blower blade 12 installed in the rearmost vent, and a rear blower motor 13 driving the rear blower blade 12 to rotate is installed outside the cabinet; meanwhile, the front blowing mechanism comprises front blowing blades 14 respectively installed in the remaining four ventilation openings, and a plurality of front blowing motors 15 which are arranged at intervals in the front-rear direction and individually drive the front blowing blades 14 to rotate are installed outside the box body; the front air blowing blade 14 and the rear air blowing blade 12 respectively comprise a cylindrical shell and fan blades coaxially and rotatably connected in the cylindrical shell, the rear air blowing motor 13 and the front and rear air blowing motors 13 penetrate into the air blowing cavity 1 through a lengthened transmission shaft and drive the corresponding fan blades to rotate, and the rear air blowing motor 13 and the front and rear air blowing motors 13 are installed on the outer side of the box body so as to avoid overheating damage of the rear air blowing motor 13 and the front and rear air blowing motors 13. In addition, the heating device 7 includes a heating pipe, which may be a heat transfer oil heating pipe or an electric heating pipe, installed at the air outlet 5 of the front blowing blade 14 so as to heat the air blown by the front blowing blade 14. Therefore, the conveyor belt device 4 can convey the veneers from the feeding hole to the discharging hole at a constant speed, and meanwhile, the front blowing mechanism sucks the air in the conveying cavity 2 to the blowing cavity 1, heats the air and then blows the air into the conveying cavity below the blowing cavity, so that the veneers below the blowing cavity are dried; then the air blast mechanism only sucks the air in the material conveying cavity 2 below to the air blast cavity 1, and then blows to the material conveying cavity 2, so that the wood skin at the rear part of the conveying belt is blown and cooled, and the cooled wood skin is discharged from the discharge hole.

As shown in fig. 2, in order to exhaust the gas with too high humidity in the box, an exhaust port 8 is arranged at the top of the box in the front blower mechanism area, an axial flow fan is installed in the exhaust port 8, the axial flow fan is started according to the humidity in the box and pumps out the air in the box, in addition, a plurality of air inlets 9 are preferably arranged at the front and back intervals at the top of the right chamber in the front blower mechanism area, a louver air door capable of closing or opening the air inlets is installed in the air inlets 9, the louver air door is the prior art, and detailed description is omitted here, and the louver air door and the axial flow fan are opened or closed synchronously.

As shown in fig. 4, in order to avoid the airflow from generating vortices at the left and right included angles of the blowing cavity 1, and thus affecting the flowability of the airflow, the left included angle and the right included angle at the top of the blowing cavity 1 are respectively connected with an upper air deflector 10 in an arc shape; the upper side edge of the upper air deflector 10 is connected to the upper box wall of the box body, the lower side edge of the upper air deflector is connected to the side box wall of the same side of the box body, the front side edge of the upper air deflector is connected to the front box wall, the rear side edge of the upper air deflector is connected to the rear box wall, and the two upper air deflectors 10 are arc-shaped plate bodies.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.

Claims

1. The utility model provides an open-type tunnel veneer stoving box, includes the box of cuboid form, its characterized in that: the box body is internally provided with a clapboard (3) which divides the inner cavity of the box body into an air blowing cavity (1) at the upper side and a material conveying cavity (2) at the lower side, the front end of the box body is provided with a feeding hole communicated with the material conveying cavity (2), and the rear end of the box body is provided with a discharging hole communicated with the material conveying cavity (2);

an air outlet (5) is formed in the left side of the partition plate (3), an air inlet (6) is formed in the right side of the partition plate, and the air inlet (6) and the air outlet (5) extend from the front end of the box body to the rear end of the box body;

a front air blowing mechanism positioned at the front part of the air blowing cavity (1) and a rear air blowing mechanism positioned at the rear part of the air blowing cavity (1) are arranged in the air blowing cavity (1), and the front air blowing mechanism and the rear air blowing mechanism suck air at a position corresponding to an air inlet (6) at the right side into the air blowing cavity (1) and discharge the air into a material conveying cavity (2) from an air outlet (5) corresponding to the left side; and a heating device (7) for heating the air sucked by the front blowing mechanism is arranged in the blowing cavity (1).

2. An open tunnel veneer drying box according to claim 1, characterized in that the top of the box in the area of the front blowing mechanism is provided with an air outlet (8) and an air inlet (9).

3. The open tunnel veneer drying box body of claim 1, characterized in that the clapboard (3) is connected between the front box wall and the rear box wall; the left side part of the clapboard (3) and the left box wall of the box body are arranged at intervals so as to form a gap opening for forming an air outlet (5); the right side part of the partition plate (3) and the right box wall of the box body are arranged at intervals to form a gap opening for forming the air inlet (6).

4. The open tunnel veneer drying box body of claim 3, wherein the left included angle and the right included angle at the top of the air blowing cavity (1) are respectively connected with an upper air deflector (10) which is arranged in an arc shape; the upper side edge of the upper air deflector (10) is connected to the upper box wall of the box body, the lower side edge of the upper air deflector is connected to the side box wall on the same side of the box body, the front side edge of the upper air deflector is connected to the front box wall, and the rear side edge of the upper air deflector is connected to the rear box wall.

5. The open tunnel veneer drying box body of claim 1, wherein a vertical plate (11) which divides the air blowing cavity (1) into a left cavity and a right cavity is arranged in the air blowing cavity (1), and a plurality of ventilation openings which are arranged at intervals are uniformly distributed on the vertical plate (11); the rear blowing mechanism comprises a rear blowing blade (12) arranged in a ventilation opening at the rearmost side, and a rear blowing motor (13) for driving the rear blowing blade (12) to rotate is arranged outside the box body; the front blowing mechanism comprises front blowing blades (14) respectively installed in the remaining ventilation openings, and a plurality of front blowing motors (15) which are arranged at intervals in the front-back direction and drive the front blowing blades (14) to rotate independently are installed outside the box body.

6. An open tunnel veneer drying cabinet according to claim 5, characterized in that said heating means (7) comprise heating pipes installed at the air outlet (5) of the front blowing blades (14) so as to heat the air blown by the front blowing blades (14).

7. The open tunnel veneer drying box body according to claim 1, wherein a conveying belt device (4) for conveying the veneer from a feeding hole to a discharging hole can be arranged in the conveying cavity (2); the left air guide plate (16) extending towards the right lower side in an inclined mode is arranged on the left side face of the material conveying cavity (2), the right air guide plate (17) extending towards the left lower side in an inclined mode is arranged on the right side face of the material conveying cavity (2), and a gap between the lower side edges of the left air guide plate (16) and the right air guide plate (17) is matched with the left width and the right width of the conveying belt device (4).