CN213273486U

CN213273486U - Adjustable hot air circulation oven

Info

Publication number: CN213273486U
Application number: CN202021510773.1U
Authority: CN
Inventors: 顾海忠
Original assignee: Changzhou Fengri Powder Equipment Co ltd
Current assignee: Changzhou Fengri Powder Equipment Co ltd
Priority date: 2020-03-20
Filing date: 2020-07-27
Publication date: 2021-05-25
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to the technical field of drying equipment, in particular to an adjustable hot air circulation oven, which comprises a box body and a supporting plate, wherein a cavity body is arranged inside the box body, a heating element is arranged at the top of the cavity body in the box body, an air supply mechanism is arranged on the box body, the supporting plate is arranged in the cavity body, the supporting plate divides the cavity body into an upper cavity body and a lower cavity body which are separated from each other, the heating element is arranged in the upper cavity body, the input end and the output end of the air supply mechanism are both arranged in the upper cavity body, and a driving mechanism for controlling the supporting plate to be close to or far away from the heating element is arranged on the box body. The drying efficiency of the raw materials is improved, and the energy consumption of the equipment is reduced.

Description

Adjustable hot air circulation oven

Technical Field

The utility model belongs to the technical field of the drying equipment technique and specifically relates to a but adjusting type heated air circulation oven is related to.

Background

The air circulation system of the hot air circulation oven adopts a fan circulation air supply mode, and the air circulation is uniform and efficient. The wind source drives the wind wheel to pass through the heater by a circulating wind supply motor (adopting a non-contact switch), the hot wind is sent out and then enters the oven inner chamber through the wind channel, the used air is sucked into the wind channel to become the wind source for recycling, the heating use is realized, and the indoor temperature uniformity is ensured.

The inner space of the existing hot air circulation oven can not be adjusted, when the raw materials are dried, the larger the space is, the more resources are consumed, meanwhile, the farther the raw materials are away from a heating element, the slower the heating efficiency is, the consumption of the resources can also be increased, and the working efficiency is also reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that the inner space of the existing hot air circulation oven can not be adjusted, when the drying raw materials are not too much, the larger the space is, the more resources are consumed, meanwhile, the farther the raw materials are from the heating element, the slower the heating efficiency is, the consumption of the resources can be increased, and the working efficiency is reduced, the adjustable hot air circulation oven is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an adjustable type heated air circulation oven, includes inside box and the backup pad that has the cavity body, the top that lies in the cavity body in the box is provided with heating element, be provided with air supply mechanism on the box, the backup pad sets up in the cavity, the backup pad separates the cavity body into two last cavities and lower cavity that separate each other, heating element is located the cavity internally, air supply mechanism's input and output all set up in last cavity, be provided with the actuating mechanism who is used for controlling the backup pad to be close to or keep away from heating element on the box.

The utility model discloses an actuating mechanism control backup pad is located at the cavity internal to interval between control backup pad and the heating element has also adjusted the space size of last cavity simultaneously, has just also improved the drying efficiency of raw materials, has reduced the consumption of the equipment energy moreover.

In order to control the supporting plate to be close to or far away from the heating element, the driving mechanism comprises a servo motor and a screw rod, the servo motor is arranged on the box body, the screw rod is rotatably arranged in the cavity, the supporting plate is in threaded connection with the screw rod, and the output end of the servo motor is in transmission connection with the screw rod. The screw rod is driven to rotate through the servo motor, so that the screw rod drives the supporting plate to move in the cavity body, and the supporting plate is controlled to be close to or far away from the heating element.

In order to prevent the supporting plate from deflecting, a guide rod is arranged in the cavity of the box body, the guide rod and the screw rod are arranged in parallel, a guide sleeve is arranged on the supporting plate, and the guide sleeve is sleeved on the guide rod. Through set up the guide bar in the box, the guide bar setting is in the backup pad, and the guide bar plays spacing and guide effect to the backup pad.

In order to ensure that the supporting plate can stably and reliably move in the cavity, a linear guide rail is arranged in the cavity on the box body, the linear guide rail and the screw rod are arranged in parallel, and a sliding block is arranged on the supporting plate and is arranged on the linear guide rail in a sliding manner.

In order to prevent collision between the raw materials on the supporting plate and the heating element, the heating device further comprises a microswitch and a processing unit, the microswitch is arranged on the guide rod in a sliding mode, the microswitch is located in the upper cavity body, and the microswitch and the servo motor are in signal connection with the processing unit. Through set up micro-gap switch in last cavity and with processing unit signal connection, can control servo motor stall when the backup pad promptly contacts with micro-gap switch, prevent to bump the phenomenon between raw materials and the heating element in the backup pad.

In order to control the position of the microswitch, the microswitch is further provided with a through hole matched with the guide rod, the guide rod is arranged in the through hole, the guide rod is provided with a limit groove along the axial direction of the guide rod, the microswitch is provided with a threaded hole, one end of the threaded hole is communicated with the through hole, a locking screw is connected in the threaded hole in a threaded manner, and one end of the locking screw penetrates through the threaded hole and is arranged in the limit groove. Through sliding the micro-gap switch and setting up on the guide bar to there is locking screw to realize fixing micro-gap switch or the pine takes off on the guide bar, locking screw supports and establishes at the spacing inslot, plays limiting displacement to micro-gap switch, prevents effectively that micro-gap switch from taking place the deflection phenomenon.

The utility model has the advantages that: the utility model discloses adjustable type heated air circulation oven is when using, it is internal to be located at the cavity through actuating mechanism control backup pad, thereby control backup pad and the interval between the heating element, the space size of cavity has also been adjusted simultaneously, the drying efficiency of raw materials has just also been improved, moreover, the consumption of the equipment energy has been reduced, current heated air circulation oven inner space is avoided can not be adjusted, when the stoving raw materials is not many, the space is big more, the resource of its consumption just also more, the raw materials is far away its heating efficiency more slowly from the heating element simultaneously, the consumption of resource also can be increased equally, just so the problem of work efficiency has also been reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the guide bar of the present invention.

In the figure: 1. the device comprises a box body, 2, a cavity body, 3, an upper cavity body, 4, a lower cavity body, 5, a servo motor, 6, a screw rod, 7, a supporting plate, 8, a guide rod, 9, a micro switch, 10, a limiting groove, 11, a heating element, 12, an air supply mechanism, 13, a linear guide rail, 14 and a processing unit.

Detailed Description

The utility model discloses the following embodiment of combining does further detailing:

the utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1-2, an adjustable hot air circulation oven comprises a box body 1 and a supporting plate 7, wherein a cavity body 2 is arranged inside the box body 1, a heating element 11 is arranged at the top of the cavity body 2 in the box body 1, the heating element 11 is an electric heating rod, an air supply mechanism 12 is arranged on the box body 1, the air supply mechanism 12 is a circulating fan, the supporting plate 7 is arranged in the cavity body 2, the cavity body 2 is divided into an upper cavity 3 and a lower cavity 4 which are separated from each other by the supporting plate 7, the heating element 11 is arranged in the upper cavity 3, the input end and the output end of the air supply mechanism 12 are both arranged in the upper cavity 3, and a driving mechanism for controlling the supporting plate 7 to be close to or far away from the heating element 11 is arranged on the box body.

Actuating mechanism includes servo motor 5 and screw rod 6, servo motor 5 sets up on box 1, screw rod 6 rotates and sets up in the cavity body 2, 7 threaded connection of backup pad are on screw rod 6, through shaft coupling looks transmission connection between servo motor 5's the output and the screw rod 6.

The box body 1 is located the cavity body 2 and is provided with a guide rod 8, the guide rod 8 and the screw 6 are arranged in parallel, a guide sleeve is arranged on the supporting plate 7, and the guide sleeve is sleeved on the guide rod 8.

A linear guide rail 13 is arranged in the cavity body 2 on the box body 1, the linear guide rail 13 and the screw 6 are arranged in parallel, and a sliding block is arranged on the supporting plate 7 and is arranged on the linear guide rail 13 in a sliding mode.

The device is characterized by further comprising a microswitch 9 and a processing unit 14, wherein the processing unit 14 is a Programmable Logic Controller (PLC), the PLC adopts a remote programmable logic controller (PTV) module of the American REDLION company, the microswitch 9 is arranged on the guide rod 8 in a sliding mode, the microswitch 9 is positioned in the upper cavity 3, and the microswitch 9 and the servo motor 5 are in signal connection with the processing unit 14.

The micro-gap switch 9 is provided with a through hole matched with the guide rod 8, the guide rod 8 is arranged in the through hole, the guide rod 8 is provided with a limit groove 10 along the axial direction of the guide rod, the micro-gap switch 9 is provided with a threaded hole, one end of the threaded hole is communicated with the through hole, a locking screw is connected in the threaded hole in a threaded manner, and one end of the locking screw penetrates through the threaded hole and is arranged in the limit groove 10.

When the adjustable hot air circulation oven is used, firstly, the distance between the support plate 7 and the heating element 11 in the cavity body 2 is controlled according to the raw materials, the servo motor 5 is started and the screw rod 6 is driven to rotate, the screw rod 6 drives the support plate 7 to move in the cavity body 2, meanwhile, the support plate 7 moves on the guide rod 8, so that the support plate 7 is close to or away from the heating element 11 and is adjusted to a required position until the support plate 7 is close to or away from the heating element 11, in order to prevent the collision phenomenon between the raw materials on the support plate 7 and the heating element 11, the locking screw is loosened, the microswitch 9 slides on the guide rod 8, the microswitch 9 is adjusted to the required position, then the locking screw is screwed down to fix the microswitch 9 on the guide rod 8, when the support plate 7 is in contact with the microswitch 9, the microswitch 9 is triggered to generate a signal to the processing unit 14, and the processing unit 14 controls, thereby effectively controlling the spacing between the support plate 7 and the heating element 11.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an adjustable type heated air circulation oven which characterized in that: including inside box (1) and backup pad (7) that have the cavity body (2), the top that lies in the cavity body (2) in box (1) is provided with heating element (11), be provided with air supply mechanism (12) on box (1), backup pad (7) set up in the cavity body (2), backup pad (7) separate into two last cavity (3) and lower cavity (4) that separate each other with the cavity body (2), heating element (11) are located cavity (3), the input and the output of air supply mechanism (12) all set up in last cavity (3), be provided with on box (1) and be used for controlling backup pad (7) and be close to or keep away from the actuating mechanism of heating element (11).

2. The adjustable heated air circulation oven of claim 1, wherein: actuating mechanism includes servo motor (5) and screw rod (6), servo motor (5) set up on box (1), screw rod (6) rotate to set up in the cavity body (2), backup pad (7) threaded connection is on screw rod (6), mutual transmission is connected between the output of servo motor (5) and screw rod (6).

3. The adjustable heated air circulation oven of claim 2, wherein: the box body (1) is located in the cavity body (2) and is provided with a guide rod (8), the guide rod (8) and the screw rod (6) are arranged in parallel, a guide sleeve is arranged on the supporting plate (7), and the guide sleeve is sleeved on the guide rod (8).

4. The adjustable heated air circulation oven of claim 2 or 3, wherein: the cavity is characterized in that a linear guide rail (13) is arranged in the cavity (2) on the box body (1), the linear guide rail (13) and the screw rod (6) are arranged in parallel, a sliding block is arranged on the supporting plate (7), and the sliding block is arranged on the linear guide rail (13) in a sliding mode.

5. The adjustable heated air circulation oven of claim 3, wherein: still include micro-gap switch (9) and processing unit (14), micro-gap switch (9) slide to set up on guide bar (8), micro-gap switch (9) are located cavity (3), micro-gap switch (9) and servo motor (5) all with processing unit (14) signal connection.

6. The adjustable heated air circulation oven of claim 5, wherein: offer on micro-gap switch (9) with guide bar (8) assorted through-hole, guide bar (8) set up in the through-hole, spacing groove (10) have been seted up along its axial in guide bar (8), set up threaded hole on micro-gap switch (9), the one end and the through-hole intercommunication of screw hole, screw hole female connection has locking screw, locking screw's one end is passed the screw hole and is set up in spacing groove (10).