CN104567303A - Drying box - Google Patents

Abstract

The invention discloses an oven, which comprises a box body, a ventilation pipe is arranged on the side wall of the box body and a fan is arranged in the ventilation pipe, an air inlet and an air outlet are arranged on the ventilation pipe, and the air inlet and the air outlet are respectively arranged on the box body. On the opposite sides of the box, a rotating frame is provided in the box. The rotating frame includes an upper support rod, a lower support rod and a middle base frame connecting the upper support rod and the lower support rod. Each upper support rod and the corresponding lower support rod All constitute a product support surface, which is used to hang the products to be dried, and the product support surface is parallel to the air convection direction inside the box body, and a drive mechanism is arranged outside the box body, and the drive mechanism runs through the base frame connected to the rotating frame In the center, the driving mechanism is used to drive the rotating frame to rotate. When the rotating frame rotates, the product support surface and the air convection direction inside the box are always kept parallel, and a heater is also arranged in the box. The oven can not only realize multi-layer heating of large-size sheet products, but also make each layer heated evenly.

Description

an oven

technical field

The present invention relates to a drying and heating device, and more specifically relates to an oven.

Background technique

The oven is a drying and heating device, which can be widely used in electromechanical, chemical, plastic and other industries, and can also be used in scientific research units to bake, dry, cure, and sterilize various products and samples. The main principle of the oven is to use the heating of the electric heater to achieve the drying of the product. In actual operation, the product to be dried is placed in the box, and then heated by a heater to dry and evaporate the moisture in the product. In actual operation, when drying some multi-layer sheet products, it is often necessary to place a material rack in the oven, and then place the products layer by layer and horizontally overlapped on the material rack for drying. However, due to the current Due to the limitations of oven structure design, the temperature of different areas of the oven body is often slightly different, so when the size of the product to be dried is large, the temperature of different areas of the product is often different, and due to the comparison of air flow between each layer of products Small, so that the temperature of each part of each layer of the product cannot be evenly controlled, so that the generated water vapor cannot be removed in time, which greatly affects the baking effect; especially for some products that are sensitive to temperature, such as cloth, When the temperature is too high, it is easy to cause the product to be scorched or damaged. When the temperature is too low, the product cannot be dried for a long time. In severe cases, the fluid on the product will accumulate and affect the performance of the product. Therefore, uneven heating will seriously hinder its normal drying procedure.

To sum up, how to provide an oven that can realize multi-layer heating of large-size sheet products and make each layer evenly heated has become an urgent problem to be solved by those skilled in the art.

Contents of the invention

The technical problem to be solved by the present invention is to provide an oven. Through its structural design, the oven can not only realize multi-layer heating of large-size sheet products, but also make each layer evenly heated.

An oven, comprising a box, a ventilation pipe is arranged on the side wall of the box and a fan is arranged in the ventilation pipe, and an air inlet and an air outlet are arranged on the ventilation pipe, wherein the air inlet and the air outlet are respectively It is arranged on the opposite sides of the box to make the air inside the box form convection. The box is provided with a rotating frame, and the rotating frame includes at least two product supporting surfaces and a bracket connecting the product supporting surfaces. , there is a distance between the product support surface and the product support surface and are parallel to each other, the product support surface is used to hang the product to be dried, the product support surface is parallel to the air convection direction inside the box body, and the box body A driving mechanism is provided on the top, and the driving mechanism is connected to the center of the bracket of the rotating frame. The driving mechanism is used to drive the rotating frame to rotate on an axis parallel to the product support surface. The box is also equipped with a heating device.

In order to better realize the driving of the rotating frame, preferably, the driving mechanism includes a driving motor, a rotating shaft and a coupling connecting the driving motor and the rotating shaft, and the rotating shaft is connected to the center of the support of the rotating frame.

In order to better realize the suspension of the product to be dried on the rotating frame, preferably, the product support surface includes an upper support rod and a lower support rod, and the bracket is arranged in the middle of the upper support rod and the lower support rod. The upper support rods are arranged parallel and equidistant above the support at the same height, and the lower support rods are arranged parallel and equidistant at the same height below the support. The upper support rods and the lower support rods are in one-to-one correspondence and parallel to each other. Each of the upper support rods and the corresponding lower support rods below each constitute a product support surface.

Preferably, the product supporting surface is composed of circular rings, the circular rings are evenly distributed on the support, the planes formed by the circular rings are parallel to each other, and each of the circular rings constitutes a product supporting surface.

In order to ensure that the product is stably fixed on the rotating frame when it is dry, preferably, a fixing clip is provided on the product supporting surface.

In order to better monitor the product temperature, preferably, a temperature detector is arranged inside the oven body.

In order to realize the detection of the temperature at different heights inside the box, and to better realize the monitoring of the temperature on the upper side and the lower side of the product, preferably, the side temperature device includes an upper temperature detector and a lower temperature detector, and the upper temperature detector The thermostat is arranged above the box body, and the lower temperature detector is arranged at the bottom of the box body.

The beneficial effects of the present invention are: the oven arranges the product to be dried layer by layer on each product supporting surface by setting a rotating frame inside the box, and then utilizes hot air to continuously blow through the gap area between each layer of products The flow dries the product, and at the same time, the rotation of the rotating frame drives the product to rotate together to ensure that each part of the product is heated evenly. Therefore, through its structural design, the oven can realize multi-layer heating of large-sized sheet products and make each part Layers are heated evenly.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a schematic diagram of the overall structure of an oven according to Embodiment 1 of the present invention;

Fig. 2 is the schematic structural view of the rotating frame of embodiment 2 of the present invention;

Fig. 3 is a schematic structural diagram of a rotating frame according to Embodiment 3 of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them.

Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

Example 1:

Referring to accompanying drawing 1, accompanying drawing 1 provides a kind of concrete embodiment of oven, as shown in accompanying drawing 1, this oven comprises casing 1, for realizing the heating of air in casing, is provided with heater 2 in casing 1 .

In order to ensure the air flow inside the box body 1, a ventilation pipe 3 is provided on the side wall 101 of the box body 1, an air inlet 301 and an air outlet 302 are arranged on the ventilation pipe 3, and a fan 4 is arranged in the ventilation pipe 3, wherein the air inlet The tuyeres 301 and the air outlets 302 are arranged on opposite sides of the box body 1, respectively, for convecting the air inside the box body 1, and the direction of the arrow in FIG. 1 indicates the air flow direction.

During specific work, an opening that communicates with the outside atmosphere can also be provided on the ventilation pipe 3, so that the fan 4 can drive the air in the oven box 1 to form a horizontal or vertical convection cycle to optimize the drying effect; on the other hand, The fan 4 can also continuously inhale a part of fresh air from the opening communicating with the outside atmosphere into the box body 1 for heating and circulation. With the continuous exchange of air, the moisture separated from the product is also taken out of the box 1, so as to further achieve the purpose of optimizing drying.

In this embodiment, in order to drive the rotation of the product and ensure that each part of the product is evenly heated, a rotating frame 5 and a driving mechanism 6 are arranged inside the box body 1. The rotating frame 5 includes a product support surface and a bracket 501 connecting and fixing the product support surface. The support surface is used to hang the products to be dried. In practice, large-area block-shaped products to be dried can be arranged on the product support surface one by one for drying. Because the product support surface and the air convection direction inside the box body Parallel, therefore, during specific implementation, the water vapor evaporated after being heated by the heater 2 can be continuously blown to the outside through the parallel gap between the product and the product, so that the water vapor can be separated from the product in time, and the product will be accelerated. drying optimization effect.

In this embodiment, the driving mechanism 6 is arranged on the box body 1, and the driving mechanism 6 runs through the center of the bracket connected to the rotating frame 5. The driving mechanism 6 is used to drive the rotating frame 5 to rotate on an axis parallel to the product support surface. The unimpeded flow of water vapor in the box body 1 to the outside can be maintained.

In this embodiment, in order to better realize the driving of the rotating frame 5, the driving mechanism 6 includes a driving motor 601, a rotating shaft 603 and a coupling 602 connecting the driving motor 601 and the rotating shaft 603, and the rotating shaft 603 and the support of the rotating frame 5 Center connection.

In this embodiment, in order to ensure that the product is stably fixed on the rotating frame 5 when it is dry, a fixing clip 7 is provided on the supporting surface of the product. Through the fixing clip 7, the product can be stably fixed on the product support surface 3, which can effectively prevent the product from falling off or slipping accidentally when rotating.

In this embodiment, in order to better monitor the product temperature, a temperature detector 8 is arranged inside the oven body 1 . In this way, when drying products, especially some temperature-sensitive products, the internal temperature of the cabinet 1 can be observed in real time, and adjusted in time when the temperature deviates, so as to further optimize the drying effect.

In this embodiment, considering that the temperature may vary at different heights, the temperature detector 8 includes an upper temperature detector 801 and a lower temperature detector 802 .

In this embodiment, the upper temperature detector 801 is at the same height as the upper end of the product support surface, and the lower temperature detector 802 is at the same height as the lower end of the product support surface. In this way, the temperature of the upper and lower ends of the product can be monitored in real time to further ensure the good drying of the product.

Example 2:

Accompanying drawing 2 provides a specific embodiment of a rotating frame 5, as shown in the figure, the rotating frame 5 includes a base frame 501 in the middle, an upper support rod 502 above and a lower support rod 503 below, and the center of the support 501 is used To be connected with the drive mechanism 6 to drive the whole rotating frame 5 to rotate, meanwhile, the product support surface formed by the upper support rod 502 above and the lower support rod 503 below drives the products arranged thereon to rotate and dry together.

In this embodiment, three upper support rods 502 are arranged parallel and equidistant at the same height above the bracket 501, and three lower support rods 503 are arranged parallel and equidistant at the same height below the base frame 501, and the upper support rods 502 and the lower support rods 503 form a Corresponding and parallel to each other, each upper support bar 502 and the lower support bar 503 correspondingly arranged below it can form a product support surface, the product support surface is used to hang the product to be dried, and the upper support bar 502 corresponds to the lower part The plane of the product supporting surface formed by the set lower support rods 503 is parallel to the air convection direction inside the box body 1 .

In this way, through the parallel gap between the products, the water vapor evaporated after being heated by the heater 2 can be separated from the products in time, so as to accelerate the drying optimization effect of the products.

In this embodiment, both the upper support bar 502 and the lower support bar 503 are provided with fixing clips 7 , through the fixing clips 7 , both sides of the product can be stably fixed on the upper support bar 502 and the lower support bar 503 .

Example 3:

Figure 3 provides another specific embodiment of a rotating frame 5, as shown in Figure 3, the rotating frame 5 includes a ring 501' and a bracket 502' connected to the wall of the ring 501'.

In this embodiment, four circular rings 501' are evenly distributed on the support 502', and the circular rings 501' are parallel to each other, and each circular ring 501' constitutes a product supporting surface. During specific implementation, the product to be dried can be directly hung on the ring 501'.

In this embodiment, the ring 501' is provided with a fixing clip 7 for fixing the product.

The oven provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (7)

1. An oven, characterized in that it comprises a casing, the side wall of the casing is provided with a ventilation pipe and a blower fan is arranged in the ventilation pipe, and an air inlet and an air outlet are arranged on the ventilation pipe, wherein the The air inlet and the air outlet are respectively arranged on the opposite sides of the box to make the air inside the box convect. There is a distance between the product support surface and the product support surface and they are parallel to each other. The product support surface is used to hang the product to be dried. The product support surface and the air convection direction inside the box Parallel, the box body is provided with a driving mechanism, the driving mechanism is connected to the center of the bracket of the rotating frame, the driving mechanism is used to drive the rotating frame to rotate on an axis parallel to the product support surface, the A heater is also arranged in the box. 2 . The oven according to claim 1 , wherein the driving mechanism comprises a driving motor, a rotating shaft, and a coupling connecting the driving motor and the rotating shaft, and the rotating shaft is connected to the support center of the rotating frame. 3. The oven according to claim 1, wherein the product support surface includes an upper support rod and a lower support rod, the bracket is arranged in the middle of the upper support rod and the lower support rod, and the upper support rod is parallel to Equidistantly and at the same height above the support, the lower support rods are arranged parallel and equidistant at the same height below the support, the upper support rods and the lower support rods are in one-to-one correspondence and parallel to each other, each of the upper support rods The lower supporting rods arranged correspondingly below all constitute a product supporting surface. 4. The oven according to claim 1, characterized in that, the product support surface is composed of circular rings, the circular rings are uniformly arranged on the support, and the planes formed by the circular rings are parallel to each other, so that Each ring described above constitutes a product support surface. 5. The oven according to claim 1, 3 or 4, characterized in that a fixing clip is provided on the product supporting surface. 6. The oven according to claim 1, characterized in that a temperature detector is arranged inside the oven body. 7. The oven according to claim 6, wherein the temperature detector comprises an upper temperature detector and a lower temperature detector, the upper temperature detector is arranged above the casing, and the lower temperature detector set at the bottom of the box.