CN212431689U

CN212431689U - Efficient heating device for drying machine

Info

Publication number: CN212431689U
Application number: CN202021157382.6U
Authority: CN
Inventors: 汪博; 陆秀兵; 陈明
Original assignee: Suzhou Lehong Environmental Protection Technology Co ltd
Current assignee: Suzhou Lehong Environmental Protection Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-29
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a high-efficient heating device is used to drying-machine, which comprises a frame, be equipped with the transport mechanism who is used for carrying the product in the frame, transport mechanism's top is equipped with the rigid coupling and is in stoving case in the frame. The drying box comprises an outer box body and an inner box body which are sleeved with each other, a heating cavity is defined between the outer box body and the inner box body, and a drying cavity is defined in the inner box body. The top of the outer box body is fixedly connected with a fan, and an air outlet of the fan is communicated with the heating cavity. The bottom of the heating cavity is provided with a plurality of air supply channels communicated with the drying cavity, and one end of each air supply channel, which is close to the drying cavity, is provided with an air guide piece capable of changing the wind direction. The utility model discloses a high-efficient heating device has improved hot air distribution's the degree of consistency, has guaranteed the stoving quality of product.

Description

Efficient heating device for drying machine

Technical Field

The utility model relates to a drying-machine firing equipment technical field especially relates to a high-efficient heating device is used to drying-machine.

Background

The drying-machine is by the wide application in printing drying, product surface spraying stoving, electron original paper, thermosetting glue, thermosetting printing ink, air brushing, printing and drying such as clothing printing, printing and dyeing, food, has characteristics such as energy-efficient, the control is nimble, green, its theory of operation is through heating element setting in the air supply vent department of organism to with the new trend heating, and then make the hot-blast product drying of entering into the stoving intracavity that is heated. However, the existing dryer only has one air supply outlet, the temperature of hot air is high, the density is low, when the hot air enters the drying cavity, most of the hot air can only move around the air supply outlet, and only a small part of the hot air diffuses around, so that the product cannot be uniformly dried, the farther the distance from the two sides of the air supply outlet is, the poorer the drying effect is, and the drying quality of the product is seriously affected.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a high-efficiency heating device for a dryer, which improves the uniformity of hot air distribution and ensures the drying quality of products.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a high-efficient heating device for drying-machine, includes the frame, be equipped with the transport mechanism who is used for carrying the product in the frame, transport mechanism's top is equipped with the rigid coupling and is in stoving case in the frame. The drying box comprises an outer box body and an inner box body which are sleeved with each other, a heating cavity is defined between the outer box body and the inner box body, and a drying cavity is defined in the inner box body. The top of the outer box body is fixedly connected with a fan, and an air outlet of the fan is communicated with the heating cavity. The bottom of the heating cavity is provided with a plurality of air supply channels communicated with the drying cavity, and one end of each air supply channel, which is close to the drying cavity, is provided with an air guide piece capable of changing the wind direction.

The beneficial effects of the utility model reside in that: the air delivered into the heating chamber through the air outlet of the fan enters the drying chamber along a plurality of air supply channels after being heated by the heating chamber, and then the hot air can uniformly flow to the drying chamber through the guide of the air guide piece, so that the uniform drying of the product is ensured. Heated air can be divided by arranging the air supply channels, so that the uniform distribution of hot air entering the drying chamber is realized preliminarily; the hot air is guided by the air guide piece, so that the hot air can be more uniformly blown into the drying chamber, and the drying quality of the product is ensured.

Further, the air guide piece comprises a rotating shaft which is rotatably arranged on the inner box body, and an air guide cover which is positioned at the junction of the air supply channel and the drying chamber is fixedly connected to the rotating shaft. The top of the air guide cover is provided with an air guide inlet communicated with the air supply channel, and the bottom of the air guide cover is provided with an air guide outlet communicated with the drying cavity. The rotation of the rotating shaft drives the wind scooper to rotate, so that the direction of the wind guide outlet is changed, and the wind direction is changed.

Furthermore, the size of the opening of the air guide outlet is larger than that of the opening of the air guide inlet, so that the diffusion area of hot air at the air guide outlet is increased, and the uniformity of hot air distribution is improved.

Furthermore, the side wall of the wind scooper is symmetrically provided with limit lugs for limiting the rotation range of the wind scooper; when the wind scooper rotates, the limiting lug can abut against the top wall of the drying chamber. The rotation range of the air guide covers is limited by the limiting convex blocks, so that the wind direction is limited, and the phenomenon that the local overheating of the drying cavity is caused by the convergence of the wind blown out of two adjacent air guide covers in the drying cavity is avoided.

Furthermore, the same ends of a plurality of rotating shafts are connected with a driving component for driving the rotating shafts to synchronously rotate. The driving assembly comprises a synchronous motor, a synchronous chain wheel and a synchronous chain. The synchronous motor is fixedly connected to the inner box body, and an output shaft of the synchronous motor is connected with one of the rotating shafts. The synchronous chain wheels are provided with a plurality of synchronous chain wheels and are connected with the rotating shafts in a one-to-one correspondence mode. The synchronous chain wheels are connected with the synchronous chains together. The synchronous rotation of a plurality of rotating shafts is realized through the arrangement of the driving assembly, and further the synchronous rotation of the wind scooper is realized.

Further, the width of the air supply channel gradually increases from the direction close to the heating chamber to the direction far away from the heating chamber.

Further, a plurality of heating wires arranged in parallel are further arranged in the heating chamber, and the air supply channel is arranged between any two adjacent heating wires.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of another viewing angle according to an embodiment of the present invention.

In the figure:

1-a frame; 2-a transfer mechanism; 3-drying the box; 31-an outer box; 32-an inner box body; 33-heat preservation curtain; 4-heating the chamber; 41-air supply channel; 42-electric heating wire; 5-drying chamber; 6, a fan; 71-a rotating shaft; 72-a wind scooper; 721-wind guide inlet; 722-a wind guide outlet; 723-spacing bumps; 73-synchronous machine.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawings 1-2, the utility model discloses a high-efficient heating device for drying-machine, including frame 1, be equipped with the transport mechanism 2 that is used for carrying the product in the frame 1, transport mechanism 2's top is equipped with the rigid coupling and is in drying case 3 in the frame 1. The drying box 3 comprises an outer box body 31 and an inner box body 32 which are sleeved with each other, a heating cavity 4 is defined between the outer box body 31 and the inner box body 32, and a drying cavity 5 is defined in the inner box body 32. The top of outer box 31 is fixedly connected with fan 6, and the air outlet of fan 6 is communicated with heating chamber 4. The bottom of the heating chamber 4 is provided with a plurality of air supply channels 41 communicated with the drying chamber 6, and one end of each air supply channel 41 close to the drying chamber 5 is provided with an air guide piece capable of changing the wind direction.

The air conveyed into the heating chamber 4 through the air outlet of the fan 6 enters the drying chamber 5 along the plurality of air supply channels 41 after being heated by the heating chamber 4, and then the hot air can uniformly flow to the drying chamber 5 through the guiding of the air guide piece, so that the uniform drying of the product is ensured. The heated air can be divided by arranging the air supply channels 41, so that the uniform distribution of hot air entering the drying chamber 5 is realized preliminarily; and the hot air is guided by the air guide piece, so that the hot air can be more uniformly blown into the drying cavity 5, and the drying quality of the product is further ensured.

In this embodiment, referring to fig. 3, the width of the air supply channel 41 gradually increases from the direction close to the heating chamber 4 to the direction away from the heating chamber 4, so that the hot air is diffused downward in the air supply channel 41, and the uniformity of the hot air is improved.

In this embodiment, referring to fig. 3, the wind guiding component includes a rotating shaft 71 rotatably disposed on the inner box 32, and a wind guiding cover 72 located at a boundary between the air supply channel 41 and the drying chamber 5 is fixedly connected to the rotating shaft 71. The top of the wind scooper 72 is provided with a wind guide inlet 721 communicated with the air supply channel 41, and the bottom is provided with a wind guide outlet 722 communicated with the drying chamber 5. The rotation of the rotating shaft 71 drives the wind scooper 72 to rotate, and further drives the wind guide outlet 722 to change the direction, thereby realizing the wind direction change.

Preferably, the size of the opening of the air guide outlet 722 is larger than that of the air guide inlet 721, so that the diffusion area of the hot air at the air guide outlet 722 is increased, and the uniformity of the hot air distribution is improved.

The side wall of the wind scooper 72 is further symmetrically provided with a limiting convex block 723 for limiting the rotation range of the wind scooper. When the wind scooper 72 rotates, the limiting protrusion 723 can abut against the top wall of the drying chamber 5. The rotation range of the air guiding covers 72 is limited by the arrangement of the limiting convex blocks 723, so that the wind direction is limited, and the phenomenon that the wind blown out of two adjacent air guiding covers 72 is converged in the drying chamber 5 to cause local overheating of the drying chamber 5 is avoided.

In this embodiment, referring to fig. 2 and 4, the same end of a plurality of the rotating shafts 71 is commonly connected with a driving assembly for driving the same to rotate synchronously. The drive assembly comprises a synchronous motor 73, a synchronous sprocket and a synchronous chain. The synchronous motor 73 is fixedly connected to the inner box 32, and an output shaft thereof is connected to one of the rotating shafts 71. The synchronous chain wheels are provided with a plurality of synchronous chain wheels and are connected with the rotating shafts 71 in a one-to-one correspondence mode. The synchronous chain wheels are connected with the synchronous chains together. The synchronous rotation of the plurality of rotating shafts 71 and further the synchronous rotation of the wind scooper 72 are realized through the arrangement of the driving assembly.

In this embodiment, a plurality of parallel heating wires 42 are further disposed in the heating chamber 4, and the air supply channel 41 is disposed between any two adjacent heating wires 42. The air supply channels 41 are arranged between two adjacent heating wires 42 one by one, so that the initial temperature of the hot air entering the air supply channels 41 is more balanced, and the uniformity of the temperature of the hot air entering the drying chamber 5 is improved.

In this embodiment, referring to fig. 1, one side of the outer box 31 and one side of the inner box 32 are provided with a feeding hole, and the other side is provided with a discharging hole. And heat-insulating check curtains 33 are arranged at the feed inlet and the discharge outlet.

It should be noted that the conveying mechanism 2 of the present embodiment is the prior art, and the detailed structure thereof is not described in detail in the present embodiment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A high-efficiency heating device for a dryer comprises a rack (1), wherein a conveying mechanism (2) for conveying products is arranged in the rack (1), and a drying box (3) fixedly connected to the rack (1) is arranged above the conveying mechanism (2); the method is characterized in that: the drying box (3) comprises an outer box body (31) and an inner box body (32) which are sleeved with each other, a heating chamber (4) is defined between the outer box body (31) and the inner box body (32), and a drying chamber (5) is defined in the inner box body (32); a fan (6) is fixedly connected to the top of the outer box body (31), and an air outlet of the fan (6) is communicated with the heating chamber (4); the bottom of heating cavity (4) be equipped with a plurality of with air supply channel (41) of stoving cavity (5) intercommunication, every air supply channel (41) are close to the one end of stoving cavity (5) all is equipped with the air guide that can change the wind direction.

2. The heating device according to claim 1, characterized in that: the air guide piece comprises a rotating shaft (71) which is rotatably arranged on the inner box body (32), and an air guide cover (72) which is positioned at the junction of the air supply channel (41) and the drying chamber (5) is fixedly connected to the rotating shaft (71); the top of the air guide cover (72) is provided with an air guide inlet (721) communicated with the air supply channel (41), and the bottom of the air guide cover is provided with an air guide outlet (722) communicated with the drying chamber (5).

3. The heating device according to claim 2, characterized in that: the opening size of the wind guide outlet (722) is larger than that of the wind guide inlet (721).

4. The heating device according to claim 2, characterized in that: the side wall of the air guide cover (72) is also symmetrically provided with a limiting lug (723) for limiting the rotation range of the air guide cover; when the wind scooper (72) rotates, the limiting lug (723) can abut against the top wall of the drying chamber (5).

5. The heating device according to any one of claims 2 to 4, wherein: the same ends of the rotating shafts (71) are connected with a driving component for driving the rotating shafts to synchronously rotate; the driving assembly comprises a synchronous motor (73), a synchronous chain wheel and a synchronous chain; the synchronous motor (73) is fixedly connected to the inner box body (32), and the output shaft of the synchronous motor is connected with one of the rotating shafts (71); the synchronous chain wheels are provided with a plurality of synchronous chain wheels and are connected with the rotating shafts (71) in a one-to-one corresponding mode; the synchronous chain wheels are connected with the synchronous chains together.

6. The heating device according to claim 5, wherein: the channel width of the air supply channel (41) is gradually increased from the direction close to the heating chamber (4) to the direction far away from the heating chamber (4).

7. The heating device according to claim 5, wherein: a plurality of heating wires (42) arranged in parallel are further arranged in the heating chamber (4), and the air supply channel (41) is arranged between any two adjacent heating wires (42).