CN216088525U

CN216088525U - Turning plate type tunnel furnace

Info

Publication number: CN216088525U
Application number: CN202122679089.7U
Authority: CN
Inventors: 马洪雷; 祝利明; 李带军
Original assignee: Zhejiang Shenghua Intelligent Machinery Co ltd
Current assignee: Zhejiang Shenghua Intelligent Machinery Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-22
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a turning plate type tunnel furnace, which relates to the technical field of food processing and comprises a tunnel-shaped support, wherein a conveying mechanism, a first heating pipe set and a second heating pipe set are arranged in the support, the conveying mechanism comprises a turning plate, a conveying gear and a shaft, electric heating elements are arranged in the first heating pipe set and the second heating pipe set, and a temperature measuring element is arranged on the side surface of the support. Has the following beneficial effects: the turnover plate is used as a conveying medium for baking the food, so that the heat conduction is more uniform, and the baking is more uniform; the turning plate and the conveying belt are combined to move circularly, so that the baking efficiency is improved; the upper and lower double-layer heating pipes are arranged to heat the food, so that the baking efficiency is improved; a heating pipe set is arranged in the conveying mechanism, and the heating and the heat preservation are carried out from the back of the turning plate, so that the baking efficiency and effect are improved; the driving mechanism and the electric heating element are both connected with a controller, and a temperature measuring element is arranged in the support, so that the baking temperature and the baking effect can be accurately controlled.

Description

Turning plate type tunnel furnace

Technical Field

The utility model relates to the technical field of food processing, in particular to a turning plate type tunnel furnace.

Background

The tunnel furnace is a tunnel type mechanical device for baking food through heat conduction, convection and radiation. When the food is baked, the food is moved relatively to the electric heating element or the direct-fired burning rod through the steel belt or the mesh belt, thereby completing the uniform baking and conveying work. The tunnel furnace can be used for continuous production, the production efficiency is high, the labor is saved, and the baking quality is stable. The tunnel furnace is mainly used for food enterprises in industrial production and generally carries out continuous or intermittent baking in large batches. Tunnel toasting apparatus is commonly used for the batch toasting of biscuits, bread and other food products. The existing tunnel baking equipment generally has the problems of uneven heating, poor control on the moisture of food and the like due to the arrangement of a steel belt or a mesh belt and an electric heating element, and the baking quality of the food is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model provides a turning plate type tunnel furnace, aiming at the technical problems of uneven heating and poor moisture control of the existing tunnel baking equipment, the turning plate is adopted as a conveying medium for baking food, the traditional steel belt or mesh belt is replaced, the turning plate and a conveying belt are combined to do circulating motion, an upper heating pipe group and a lower heating pipe group are arranged to heat the food, a heating pipe group is arranged in a conveying mechanism, heating and heat preservation are carried out from the back of the turning plate, and a driving mechanism and an electric heating element are connected with a controller.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

a turning plate type tunnel furnace comprises a tunnel-shaped support, wherein a conveying mechanism, a first heating pipe group and a second heating pipe group are arranged in the support, the first heating pipe group is located above the conveying mechanism, the second heating pipe group is located inside the conveying mechanism, the conveying mechanism comprises a turning plate, a conveying gear and a shaft, the conveying gear is fixedly connected to two ends of the shaft, the conveying gear is connected through a chain, the turning plate is fixedly connected to the chain, the shaft is connected with a driving mechanism, electric heating elements are arranged inside the first heating pipe group and the second heating pipe group, the driving mechanism and the electric heating elements are connected with a controller, and a temperature measuring element is arranged on the side face of the support.

Optionally, the upper and lower parts of the conveying mechanism are provided with heat insulation plates, and the heat insulation plates are made of heat insulation materials.

Optionally, two ends of the support are provided with smoke exhaust hoods, and the top of each smoke exhaust hood is provided with a circular smoke outlet.

Optionally, the thickness of the turning plate is 5cm-10 cm.

Optionally, the flap is made of a heat conducting material.

Optionally, a side plate is arranged on the side face of the support, and a mounting hole is formed in the side plate.

Optionally, the turning plate is provided with a plurality of blocks, and the turning plates are uniformly distributed on the chain.

Optionally, the electric heating elements are uniformly distributed inside the first heating pipe group and the second heating pipe group.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the technical scheme provided by the utility model, the turnover plate is used as a conveying medium for baking the food, and replaces a traditional steel belt or a traditional mesh belt, and the turnover plate is thicker than the traditional steel belt or the traditional mesh belt, so that the heat conduction is more uniform, and the baking is more uniform; the turning plate and the conveying belt are combined to move circularly, so that the baking efficiency is improved; the upper and lower double-layer heating pipes are arranged to heat the food, so that the baking efficiency is improved; a heating pipe set is arranged in the conveying mechanism, and the heating and the heat preservation are carried out from the back of the turning plate, so that the baking efficiency and effect are improved; the driving mechanism and the electric heating element are both connected with a controller, and a temperature measuring element is arranged in the support, so that the baking temperature and the baking effect can be accurately controlled.

Drawings

Fig. 1 is a schematic structural diagram of a plate-turning type tunnel furnace according to an embodiment of the present invention.

1. A support; 2. a side plate; 201. mounting holes; 3. a conveying mechanism; 301. turning over a plate; 302. a conveying gear; 4. a first heating bank; 5. a second heating bank; 6. a drive mechanism; 7. a smoke exhaust hood; 8. provided is an insulation board.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.

Examples

With reference to fig. 1, the turnover plate type tunnel furnace comprises a tunnel-shaped support 1, wherein a conveying mechanism 3, a first heating pipe group 4 and a second heating pipe group 5 are arranged in the support 1, the first heating pipe group 4 is located above the conveying mechanism 3, the second heating pipe group 5 is located inside the conveying mechanism 3, the conveying mechanism 3 comprises a turnover plate 301, a conveying gear 302 and a shaft, the conveying gear 302 is fixedly connected to two ends of the shaft, the conveying gear 302 is connected through a chain, the turnover plate 301 is fixedly connected to the chain, the shaft is connected with a driving mechanism 6, electric heating elements are arranged inside the first heating pipe group 4 and the second heating pipe group 5, the driving mechanism 6 and the electric heating elements are both connected with a controller, and a temperature measuring element is arranged on the side surface of the support 1.

The support 1 is used for structurally supporting the internal structure, and the conveying mechanism 3 is used for generating movement of the food in the tunnel furnace, so as to generate relative movement with the first heating group 4 and the second heating group 5 to bake the food. The whole structure of the conveying mechanism 3 is in a form of a conveying belt, the turning plate 301 is additionally arranged on the conveying belt, food such as cakes and bread are directly placed on the turning plate 301, the turning plate 301 is used as a part directly contacting with the food, firstly, the thickness of the turning plate 301 is utilized, compared with a traditional mesh belt and a traditional steel belt, the turning plate 301 has thicker thickness, and therefore heat transfer of the turning plate 301 is slower, and heating of the food is more uniform. The traditional mesh belt and steel belt are very thin, food is positioned on the mesh belt and the heating part completely depends on the spatial distribution of the heating elements, the distance between the heating elements and the food in a certain space is very close, the food can be rapidly heated, moisture can be rapidly evaporated and lost, and the moisture is not beneficial to keeping, while in another space, the distance between the food and the heating elements is very far, the food can be rapidly cooled, the heat loss of the mesh belt and the steel belt is faster than that of the food, and the heat preservation can not be carried out to a certain degree when the food is cooled, so that the heating effect is very uneven; secondly, the turning plate 301 cannot be bent at the end of the conveying belt, and the traditional mesh belt and steel belt are bent at the end of the conveying belt, so that the food is deformed or falls off at the end after being dried due to the bending of the mesh belt and the steel belt, and the turning plate 301 cannot. The upper and lower double-layer heating pipe groups are arranged to heat the food, and the baking efficiency is improved. The driving mechanism 6 and the electric heating element are both connected with a controller, a temperature measuring element for measuring temperature is arranged inside the support 1, and the temperature measuring element is also connected with the controller, so that the baking temperature and the baking effect can be accurately controlled. The controller is provided with a screen, and the working personnel can conveniently see and control the temperature and the running speed of the conveying mechanism 3. The driving mechanism 6 is connected with the shaft through a chain for transmission. The second heating tube set 5 is used for heating from the back of the flap 301 to maintain the temperature of the flap 301, and improve the baking efficiency of the flap 301. The electric heating element is an electric heating wire and is connected with the controller, and the heating power is controlled by the controller. The back of the turning plate 301 is the back of the baked food.

And a heat insulation plate 8 is arranged above and below the conveying mechanism 3, and the heat insulation plate 8 is made of heat insulation materials. The heat preservation board 8 is used for keeping the temperature in the bracket 1 and reducing heat loss.

Two ends of the support 1 are provided with smoke exhaust hoods 7, and the top of each smoke exhaust hood 7 is provided with a circular smoke outlet. The smoke exhaust hood 7 is used for exhausting the baked oil smoke, and the smoke outlet can be connected with a smoke exhaust ventilator, so that the oil smoke is conveniently exhausted, and a healthy environment is provided for workers.

The thickness of the turning plate 301 is 5cm-10 cm. The turning plate 301 is too thin, and the effect of uniform and slow heat transfer is affected; the turning plate 301 is too thick, the preheating process is slow, the baking efficiency is not improved, and through tests, the thickness of 5cm-10cm is more appropriate, and is 8cm in the embodiment.

The flap 301 is made of iron. Through tests, the heat transfer efficiency of the iron plate is relatively suitable.

The side of support 1 is equipped with curb plate 2, be equipped with mounting hole 201 on the curb plate 2. The mounting holes 201 are provided in plural and evenly distributed on the side plate 2. The side plate 2 is used for reducing air circulation on the side surface of the support 1 and avoiding heat loss, and the mounting hole 201 is used for being matched with and connected with the first heating tube group 4 and the second heating tube group 5.

The turning plates 301 are provided with a plurality of blocks, and the turning plates 301 are uniformly distributed on the chain. The plurality of turning plates 301 distributed uniformly can improve the baking efficiency and make the baking effect uniform. The electric heating elements are uniformly distributed in the first heating tube group 4 and the second heating tube group 5. The uniformly distributed electric heating elements also aim to make the baking effect more uniform and prevent the food from having bad taste or even being baked due to excessive heat at a certain position.

The working principle is as follows:

the staff kneads the food, for example the biscuit, kneads dough, pastes on turning over board 301, opens the switch of controller after pasting evenly, begins to operate this device, begins to toast to can adjust the speed of toasting in a flexible way through the controller, through the experiment, 8 seconds can toast a board food, and the taste is all fine.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The turnover plate type tunnel furnace is characterized by comprising a tunnel-shaped support, wherein a conveying mechanism, a first heating pipe group and a second heating pipe group are arranged in the support, the first heating pipe group is positioned above the conveying mechanism, the second heating pipe group is positioned inside the conveying mechanism, the conveying mechanism comprises a turnover plate, a conveying gear and a shaft, the conveying gear is fixedly connected to two ends of the shaft, the conveying gear is connected through a chain, the turnover plate is fixedly connected to the chain, the shaft is connected with a driving mechanism, electric heating elements are arranged inside the first heating pipe group and the second heating pipe group, the driving mechanism and the electric heating elements are both connected with a controller, and temperature measuring elements are arranged on the side surface of the support.

2. The flap type tunnel furnace according to claim 1, wherein insulation boards are arranged above and below the conveying mechanism, and the insulation boards are made of heat insulation materials.

3. The flap type tunnel furnace of claim 1, wherein the brackets are provided with smoke exhaust hoods at both ends, and the top of the smoke exhaust hood is provided with a circular smoke outlet.

4. The flap type tunnel furnace of claim 1, wherein the flap has a thickness of 5cm to 10 cm.

5. The flap type tunnel furnace of claim 1, wherein the flap is made of a heat conductive material.

6. The flap type tunnel furnace of claim 1, wherein the side of the bracket is provided with a side plate, and the side plate is provided with a mounting hole.

7. The flap type tunnel furnace according to any one of claims 1 to 6, wherein the flap is provided with a plurality of pieces, and the flap is uniformly distributed on the chain.

8. The flap tunnel furnace according to any one of claims 1 to 6, wherein the electric heating elements are uniformly distributed inside the first heating tube group and the second heating tube group.