CN220567774U

CN220567774U - Heated air circulation tunnel oven

Info

Publication number: CN220567774U
Application number: CN202321688321.6U
Authority: CN
Inventors: 陈从林
Original assignee: Nanjing Shenpeng Machinery Equipment Co ltd
Current assignee: Nanjing Shenpeng Machinery Equipment Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-03-08
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a hot air circulation tunnel oven which comprises a shell, wherein a conveying channel penetrating through the front end and the rear end of the shell is arranged in the shell, a conveying net belt is arranged in the conveying channel, the conveying channel comprises a heating section and a cooling section, the heating section and the cooling section are respectively positioned at the rear end and the front end of the shell, the front end of the heating section is communicated with the rear end of the cooling section, the two ends of the conveying net belt are respectively positioned at the two ends of the shell, the conveying net belt bypasses the heating section and the cooling section, the conveying net belt is driven by a conveying driving motor to enable the part of the conveying net belt positioned in the conveying channel to be conveyed to the cooling section by the heating section, the heating section is used for heating and drying objects conveyed on the conveying net belt, and the cooling section is used for cooling the objects heated and dried on the conveying net belt. The utility model is provided with the heating section and the cooling section, so that the heating section heats and dries the object to be dried, and then the cooling section cools the object, so that the dried object is dried at a proper temperature, and the dried object is convenient to collect.

Description

Heated air circulation tunnel oven

Technical Field

The utility model relates to a hot air circulation tunnel oven, and belongs to the technical field of drying equipment.

Background

Ampoule, xilin bottle, oral liquid bottle etc. need wash it before using, wash the completion after, dry it again, residual moisture content when getting rid of the washing, above-mentioned stoving process goes on in the oven, current ampoule, xilin bottle, the stoving after oral liquid bottle washs adopts hot air circulation oven more, current hot air circulation tunnel oven includes the box, circulating fan, two baffles and conveying roller etc. the air intake and the air exit are seted up at the box top, two baffles form two circulation wind channels with the box inner wall in both sides, set up the heater in one of them circulation wind channel, circulating fan is used for the circulation flow of air in the box, in order to carry out the drying to the work piece that conveying roller carried, above-mentioned oven can only heat the stoving to the work piece, and lack the cooling structure to the work piece after its drying output, work piece temperature is higher, be unfavorable for subsequent collection work, and prior art adopts the conveying roller to carry the work piece, it is also not suitable for like the conveying of ampoule bottle, xilin bottle, small-size articles such as oral liquid bottle.

Disclosure of Invention

The utility model aims to provide a hot air circulation tunnel oven, which solves the technical defects that in the prior art, the oven can only heat and dry an object to be dried, and the output object has higher temperature and is not beneficial to subsequent timely collection.

In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a hot air circulation tunnel oven, which comprises a housin, set up the conveying passageway that runs through its front and back both ends in the casing, and set up the transportation guipure in the conveying passageway, the conveying passageway includes heating section and cooling section, the heating section is located rear end and the front end of casing with the cooling section respectively, and the front end of heating section and the rear end intercommunication of cooling section, the both ends of transportation guipure are located the both ends of casing respectively and the transportation guipure bypass heating section and cooling section, the transportation guipure is by carrying driving motor drive make its part that is located the conveying passageway carry by the heating section to the cooling section, the heating section is used for carrying out the heat drying to the article of carrying on the guipure, the cooling section is used for cooling down the article after the heating stoving on the transportation guipure. The utility model is provided with the heating section and the cooling section which are respectively used for drying the object and reducing the cooling of the dried object, so that the temperature of the object collected after the drying is proper, the collection after the subsequent drying is convenient, and the utility model adopts the conveying mesh belt for conveying and is suitable for conveying smaller objects.

As a further improvement of the utility model, the front and rear ends of the shell are respectively provided with a front conveying shaft and a rear conveying shaft, the conveying net belt bypasses the front conveying shaft and the rear conveying shaft, and the front conveying shaft or the rear conveying shaft is driven to rotate by a conveying driving motor and is used for driving conveying of the conveying net belt. The utility model supports the conveying net belt through the front conveying shaft and the rear conveying shaft, and the rotation of the front conveying shaft and the rear conveying shaft provides power for conveying the conveying net belt.

As a further improvement of the utility model, the left and right sides of the conveying net belt are fixed with conveying chains, the front conveying shaft and the rear conveying shaft are respectively provided with left and right chain wheels, and the conveying chains on the left and right sides of the conveying net belt are respectively matched with the left and right chain wheels on the front conveying shaft and the rear conveying shaft. According to the utility model, the conveying chains are fixed on two sides of the conveying mesh belt, and the conveying mesh belt is matched with the chain wheels, so that the possible slipping between the conveying mesh belt and the front conveying shaft and the rear conveying shaft due to high-temperature deformation in a use state is reduced, and the conveying mesh belt can be continuously conveyed.

As a further improvement of the utility model, the heating section comprises a box body, a plurality of circulating fans, a plurality of heating elements, a first partition plate, a second partition plate and a plurality of dehumidifying fans, wherein the box body is arranged in the shell, a plurality of air inlets are formed in the top of the box body and are used for supplementing air into the box body, a plurality of through holes penetrating through the two sides of the first partition plate are formed in the first partition plate, the bottom of the first partition plate is fixedly connected with the bottom wall of the box body and forms a first circulating air channel with one side wall of the box body, gaps are reserved between the top of the first partition plate and the top wall of the box body, the plurality of heating elements are arranged in the first circulating air channel at intervals from front to back and are used for heating air in the first circulating air channel, the top of the second partition plate is fixedly connected with the top wall of the box body and forms a second circulating air channel with the other side wall of the box body, gaps are reserved between the bottom end of the second partition plate and the bottom wall of the box body, the dehumidifying fans are communicated with the top of the second circulating air channel, the circulating fans are arranged at the top of the box body, the bottom of the circulating fans extend downwards into the box body and are provided with blades, gaps are arranged between the top of the first circulating fans and the top of the first circulating air channel are used for exhausting air in the space between the first circulating air channel and the first partition plate and the second partition plate are used for dehumidifying air. According to the utility model, the heating element heats air in the first circulating air channel, then the air heated in the first circulating air channel is conveyed to the position between the first partition board and the second partition board by the action of the circulating fan to flow, the object to be dried is dried, the temperature of the air is slightly reduced after the air contacts with the object to be dried, the air is recycled into the first circulating air channel to be heated by the heating element, the object to be dried is continuously dried by the circulation of the air, and when the temperature of the air in the box is high, the air in the box can be removed by the temperature-removing fan, and fresh and dried air can be supplemented from the air inlet.

As a further improvement of the utility model, the air inlet and the connection part of the dehumidifying fan and the box body are provided with filters for filtering the air entering the box body and the particles in the air discharged from the box body. According to the utility model, air entering the box body and exiting the box body is filtered, so that the quality of the objects to be dried is improved, and the adverse effect of the exhausted air on the air is reduced.

As a further improvement of the utility model, the box body comprises an inner plate, an outer plate and heat insulation cotton, and the heat insulation cotton is arranged between the inner plate and the outer plate. The inner plate and the outer plate in the utility model enable the box body to keep a specific shape, and the heat insulation cotton can play a role in heat insulation, thereby reducing the dissipation of heat in use and improving the use efficiency of the heat.

As a further improvement of the utility model, the heating element adopts stainless steel far infrared heating tubes to wind fins, and the heating element is also arranged between the lower part of the mesh belt and the bottom wall of the box body. According to the utility model, the fins are arranged on the stainless steel far infrared heating pipe, so that the heat contact area between the heater and the air in the first circulating air duct is larger, and the air in the first circulating air duct can be heated more rapidly.

As a further improvement of the utility model, the cooling section comprises a cooling box, a cold air inlet is formed in the top of the cooling box and used for allowing air to enter the cooling box, a heat extraction air port is formed in the cooling box and communicated with the bottom of the cooling box and connected with an exhaust fan, and air outside the cooling box enters the cooling box from the cold air inlet and passes through an object to be cooled downwards and is extracted from the heat extraction air port, so that the temperature of the high-temperature object on the conveying mesh belt is reduced. According to the utility model, through the cold air inlet, the air with relatively cold outside enters the cooling box and contacts with the high-temperature object, so that the temperature of the dried object is reduced, and the dried object is conveniently collected.

As a further improvement of the utility model, the hot air pumping port is arranged at the bottom of the cooling box and communicated with the exhaust fan arranged at the top of the shell by adopting a pipeline. The utility model connects the heat extraction air port and the exhaust fan through the pipeline, and can select a proper position to install the exhaust fan according to the requirement.

As a further improvement of the utility model, the hot air extraction port and the cold air inlet are respectively provided with a filter for filtering out particles in the air entering the cooling box and the air discharged from the cooling box. According to the utility model, the filter is arranged, so that the cleanliness of the dried object can be further improved, and the influence of the discharged air on the atmosphere is reduced.

In summary, the beneficial effects of the utility model are as follows: the utility model is provided with the heating section and the cooling section, so that the heating section heats and dries the object to be dried, and then the cooling section cools the object, so that the dried object is dried at a proper temperature, and the dried object is convenient to collect.

Drawings

Fig. 1 is a top view of the present utility model.

Fig. 2 is a cross-sectional view A-A of fig. 1.

Fig. 3 is a B-B cross-sectional view of fig. 2.

Wherein: 1. a housing; 2. conveying a mesh belt; 3. a heating section; 4. a cooling section; 5. a front conveying shaft; 6. a rear conveying shaft; 7. a conveying driving motor; 8. a case; 9. a circulating fan; 10. a heating element; 11. a first separator; 12. a second separator; 13. an air inlet; 14. a first circulation duct; 15. a second circulation duct; 16. an inner plate; 17. an outer plate; 18. a thermal insulation board; 19. a cooling box; 20. a cold air inlet; 21. a pipeline.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings.

The utility model relates to a hot air circulation tunnel oven for drying cleaned ampoule bottles, xilin bottles, oral liquid bottles and the like, which is shown in fig. 1 to 3, and comprises a shell 1, wherein a conveying channel penetrating through the front end and the rear end of the shell 1 is arranged in the shell 1, and a conveying net belt 2 is arranged in the conveying channel, the conveying net belt 2 is used for conveying ampoule bottles, xilin bottles, oral liquid bottles and the like to be dried, the conveying channel comprises a heating section 3 and a cooling section 4, wherein the heating section 3 and the cooling section 4 are respectively positioned at the rear end and the front end of the shell 1, the front end of the heating section 3 is communicated with the rear end of the cooling section 4, the conveying direction of the ampoule bottles, the Xilin bottles, the oral liquid bottles and the like to be dried in a use state is defined as the front direction, the front end and the rear end of the conveying net belt 2 is respectively positioned at the front end and the rear end of the shell 1, and the conveying net belt 2 bypasses the heating section 3 and the cooling section 4, the conveying net belt 2 is driven by a conveying driving motor 7, so that the part of the conveying net belt 2 positioned in a conveying passage is conveyed from a heating section 3 to a cooling section 4, the heating section 3 is used for heating and drying objects conveyed on the conveying net belt 2, the cooling section 4 is used for cooling the objects heated and dried on the conveying net belt 2, in the use process, ampoule bottles, western-style stranguria bottles, oral liquid bottles and the like to be dried are placed on the conveying net belt 2 from the rear end of the heating section 3, namely the rear end of a shell 1, the conveying net is heated and dried by the heating section 3 in the process that the conveying net 2 is conveyed forwards in the heating section 3, the conveying net belt 2 is continuously conveyed, the ampoule bottles, the western-style stranguria bottles, the oral liquid bottles and the like are conveyed into the cooling section 4, and the ampoule bottles, the western-style stranguria bottles, the oral liquid bottles and the like are continuously conveyed into the cooling section 4, and the Xilin bottle and the oral liquid bottle are conveyed forwards, in the conveying process, the cooling section 4 cools the ampoule bottles, the Xilin bottles and the oral liquid bottles which are at high temperature on the conveying mesh belt 2, and the ampoule bottles, the Xilin bottles and the oral liquid bottles which are dried and cooled are collected from the front end of the cooling section 4.

In the utility model, the front and rear ends of a shell 1 are respectively provided with a front conveying shaft 5 and a rear conveying shaft 6 in a rotating way by adopting bearings, the length directions of the front conveying shaft 5 and the rear conveying shaft 6 are the same as the left and right directions, the central lines of the front conveying shaft 5 and the rear conveying shaft 6 are positioned on the same horizontal plane, a conveying net belt 2 bypasses the front conveying shaft 5 and the rear conveying shaft 6, the front conveying shaft 5 or the rear conveying shaft 6 is driven to rotate by a conveying driving motor 7 for driving the conveying net belt 2, the conveying driving motor 7 is arranged at the lower part of the shell 1, a driving sprocket is arranged on an output shaft of the conveying driving motor 7, a driven sprocket is arranged at one end of the front conveying shaft 5 or the rear conveying shaft 6 and is connected with the driven sprocket by adopting a transmission chain, and the conveying driving motor 7 is preferably arranged at the lower part of the rear end of the shell 1, and the driven sprocket is arranged on the rear conveying shaft 6, and the conveying driving motor 7 drives the rear conveying shaft 6 to rotate by the transmission chain so as to drive the conveying of the whole conveying net belt 2. In order to prevent the conveying mesh belt 2 from slipping in the conveying process, the conveying chains are fixed on the left side and the right side of the conveying mesh belt 2, the conveying mesh belt can be fixed with the conveying mesh belt in a welding mode, the front conveying shaft 5 and the rear conveying shaft 6 are respectively provided with a left sprocket and a right sprocket, the conveying chains on the left side and the right side of the conveying mesh belt 2 are respectively matched with the left sprocket and the right sprocket on the front conveying shaft 5 and the rear conveying shaft 6, and the upper matching of the sprockets and the conveying chains effectively avoids slipping generated between the conveying mesh belt and the front conveying shaft 5 and/or the rear conveying shaft 6 in the conveying process of the conveying mesh belt, so that the conveying mesh belt 2 can continuously convey ampoule bottles, western-style bottles and oral liquid bottles.

The heating section 3 comprises a box body 8 with a rectangular longitudinal section, a plurality of circulating fans 9, a plurality of heating elements 10, a first partition plate 11, a second partition plate 12 and a plurality of dehumidifying fans (not shown in the figure), wherein the box body 8 is arranged in the shell 1, a conveying driving motor 7 is positioned below the box body 8, a plurality of air inlets 13 are formed at the top of the box body 8, the plurality of air inlets are formed at equal intervals along the front-back direction, the air inlets 13 are used for supplementing air into the box body 8, a valve (not shown in the figure) is arranged at the air inlets 13, whether the air enters the box body 8 or not can be controlled by opening and closing the valve, a plurality of through holes penetrating through the two sides of the first partition plate 11 are formed in the utility model, the bottom of the first partition plate 11 is fixedly connected with the bottom wall of the box body 8 and forms a first circulating air channel 14 with one side wall of the box body 8, the first partition plate 11 is vertically arranged, a gap is reserved between the top of the first partition plate 11 and the top wall of the box body 8, the gap can ensure that air in the first circulating air channel 14 can enter other parts in the box body, the plurality of heating elements 10 are arranged in the first circulating air channel 14 at intervals from front to back and are used for heating the air in the first circulating air channel 14 so as to improve the temperature of the air in the box body 8, the top of the second partition plate 12 is fixedly connected with the top wall of the box body 8 and forms a second circulating air channel 15 with the other side wall of the box body 8, the second partition plate 12 is also vertically arranged, namely, the second partition plate 12 is parallel to the first partition plate 11 and is respectively pulled at the positions close to the left and right inner side walls of the box body 8, the bottom end of the second partition plate 12 is in gap with the bottom wall of the box body 8, so that the air between the first partition plate 11 and the second partition plate 12 enters the second circulating air channel 15 from the bottom end of the second partition plate 12, the dehumidifying fan is communicated with the top of the second circulating air channel 15, the air with larger temperature in the box body 8 can be extracted from the second circulating air channel 15, the circulating fan 9 is detachably arranged at the top of the box body 8 by bolts, the rotating shaft of the circulating fan 9 downwards extends into the box body 8 and is provided with blades, the blades of the circulating fan 9 rotate and are used for circulating the air in the conveying channel in the space between the first circulating air channel 14 and the first partition plate 11 and the second partition plate 12, and the dehumidifying fan is used for exhausting the air from the oven after the air humidity in the oven is increased so as to keep the air in the box body 8 dry and improve the drying quality of ampoule bottles, western-spray bottles and oral liquid bottles.

The air inlet 13 and the connection part of the dehumidifying fan and the box body 8 are both provided with filters for filtering air entering the box body 8 and particles in the air discharged from the box body 8, so that on one hand, the particles in the air are effectively prevented from being stuck on the dried ampoule, the Xilin bottle and the oral liquid bottle, and on the other hand, the particles in the air discharged into the atmosphere in the box body 8 can be reduced. The box body 8 comprises an inner plate 16, an outer plate 17 and heat insulation cotton 18, wherein the inner plate 16 and the outer plate 17 are made of steel plates, the heat insulation cotton 18 is clamped between the inner plate 16 and the outer plate 17, and glass fiber cotton is optimally adopted as the heat insulation cotton. The heating elements 10 are formed by winding fins by adopting stainless steel far infrared heating pipes, the heating elements 10 are also arranged between the lower part of the mesh belt and the bottom wall of the box body 8, the heating elements 10 are distributed at equal intervals from front to back, and each heating element 10 in the first circulating air duct 14 is vertically arranged.

The cooling section 4 comprises a cooling box 19 made of steel plates, the cooling box 19 is formed by welding multiple plates and is welded at the front part of the shell 1, a cold air inlet 20 is formed in the top of the cooling box 19, the cold air inlet 20 is used for enabling air to enter the cooling box 19, a hot air extraction opening is formed in the cooling box 19, the hot air extraction opening is communicated with the bottom of the cooling box 19 and is connected with an exhaust fan, air is extracted from the cooling box 19 through the exhaust fan, air outside the cooling box 19 enters the cooling box 19 from the cold air inlet 20 and is extracted from the hot air extraction opening after downwards passing through an object to be cooled, and therefore the air in the cooling box 19 flows, and the aim of reducing the temperature of high-temperature objects on the conveying mesh belt 2 is achieved.

The hot air extraction opening is arranged at the bottom of the cooling box 19, and is communicated with the exhaust fan arranged at the top of the shell 1 by adopting a pipeline 21, and the position of the exhaust fan can be properly selected by arranging the pipeline 21. The hot air extraction port and the cold air inlet 20 of the utility model are also provided with filters (not shown in the figure) respectively for filtering out particles in the air entering the cooling box 19 and the air discharged from the cooling box 19, so as to further improve the drying quality of ampoule bottles, western-style stranguria bottles, oral liquid bottles and the like.

All parts not specifically described in the above description are prior art or can be realized by prior art. Moreover, the embodiments of the present utility model are described in the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are to be considered as technical scope of the present utility model.

Claims

1. The utility model provides a heated air circulation tunnel oven, includes casing (1), sets up the conveying channel who runs through its front and back both ends in casing (1) to set up in conveying channel and carry guipure (2), its characterized in that: the conveying channel comprises a heating section (3) and a cooling section (4), the heating section (3) and the cooling section (4) are respectively positioned at the rear end and the front end of the shell (1), the front end of the heating section (3) is communicated with the rear end of the cooling section (4), two ends of the conveying mesh belt (2) are respectively positioned at two ends of the shell (1), the conveying mesh belt (2) bypasses the heating section (3) and the cooling section (4), the conveying mesh belt (2) is driven by a conveying driving motor (7) to enable the part of the conveying mesh belt (2) positioned in the conveying channel to be conveyed to the cooling section (4) by the heating section (3), the heating section (3) is used for heating and drying objects conveyed on the conveying mesh belt (2), and the cooling section (4) is used for cooling the objects heated and dried on the conveying mesh belt (2);

the front end and the rear end of the shell (1) are respectively provided with a front conveying shaft (5) and a rear conveying shaft (6), the conveying net belt (2) bypasses the front conveying shaft (5) and the rear conveying shaft (6), the front conveying shaft (5) or the rear conveying shaft (6) is driven to rotate by a conveying driving motor (7) and is used for driving conveying of the conveying net belt (2), conveying chains are fixed on the left side and the right side of the conveying net belt (2), a left sprocket and a right sprocket are respectively arranged on the front conveying shaft (5) and the rear conveying shaft (6), and the conveying chains on the left side and the right side of the conveying net belt (2) are respectively matched with the left sprocket and the right sprocket on the front conveying shaft (5) and the rear conveying shaft (6);

the heating section (3) comprises a box body (8), a plurality of circulating fans (9), a plurality of heating elements (10), a first partition plate (11), a second partition plate (12) and a plurality of dehumidifying fans, wherein the box body (8) is arranged in the shell (1), a plurality of air inlets (13) are formed in the top of the box body (8) and are used for supplementing air into the box body (8), a plurality of through holes penetrating through the two sides of the first partition plate (11) are formed in the first partition plate (11), the bottom of the first partition plate is fixedly connected with the bottom wall of the box body (8) and forms a first circulating air channel (14) with one side wall of the box body (8), a gap is reserved between the top of the first partition plate (11) and the top wall of the box body (8), the plurality of heating elements (10) are arranged in the first circulating air channel (14) at intervals from front to back, the top of the second partition plate (12) is fixedly connected with the top wall of the box body (8) and forms a second circulating air channel (15) with the other side wall of the box body (8), the bottom end of the second partition plate (12) and the bottom of the box body (8) and the second partition plate (12) are arranged in the gap between the top wall of the second circulating air channel (8) and the top wall of the second circulating fan (8) and extend into the top of the box body (8), the blades of the circulating fan (9) rotate to circulate air in the conveying channel in a space between the first circulating air channel (14) and the first partition plate (11) and the second partition plate (12), and the dehumidifying fan is used for exhausting air from the oven after the humidity of the air in the oven is increased.

2. The heated air circulation tunnel oven of claim 1, wherein: the air inlet (13) and the connection part of the dehumidifying fan and the box body (8) are both provided with filters for filtering air entering the box body (8) and particles in air discharged from the box body (8).

3. The heated air circulation tunnel oven of claim 1, wherein: the box body (8) comprises an inner plate (16), an outer plate (17) and heat insulation cotton (18), wherein the heat insulation cotton (18) is arranged between the inner plate (16) and the outer plate (17).

4. The heated air circulation tunnel oven of claim 1, wherein: the heating element (10) is made of stainless steel far infrared heating tubes wound on fins, and the heating element (10) is also arranged between the lower part of the mesh belt and the bottom wall of the box body (8).

5. The heated air circulation tunnel oven of claim 1, wherein: the cooling section (4) comprises a cooling box (19), a cold air inlet (20) is formed in the top of the cooling box (19), the cold air inlet (20) is used for enabling air to enter the cooling box (19), a heat extraction air port is formed in the cooling box (19), the heat extraction air port is communicated with the bottom of the cooling box (19) and is connected with an exhaust fan, air outside the cooling box (19) enters the cooling box (19) from the cold air inlet (20) and downwards passes through an object to be cooled and then is extracted from the heat extraction air port, and the cooling section is used for reducing the temperature of high-temperature objects on the conveying mesh belt (2).

6. The heated air circulation tunnel oven of claim 5, wherein: the hot air pumping port is arranged at the bottom of the cooling box (19) and is communicated with an exhaust fan arranged at the top of the shell (1) by adopting a pipeline (21).

7. The heated air circulation tunnel oven of claim 5, wherein: the hot air extraction port and the cold air inlet (20) are respectively provided with a filter for filtering out particles in the air entering the cooling box (19) and the air discharged from the cooling box (19).