CN221505560U - Three-dimensional tealeaves drying-machine - Google Patents

Abstract

The utility model discloses a three-dimensional tea dryer which comprises a box body, a controller and a pair of screen frames arranged in the box body, wherein an electric heating component or external hot air equipment is arranged in the box body; the screen frame comprises a driving shaft, a fixed shaft, a first chain wheel, a lifting chain and a plurality of drying screen supporting strips, wherein the driving shaft and the fixed shaft are arranged on the box body, the first chain wheel is arranged on the driving shaft and the fixed shaft, the lifting chain is arranged on the first chain wheel, the drying screen supporting strips are arranged on the lifting chain at equal intervals, and a drying screen is movably inserted on the drying screen supporting strips; the driving shaft of one of the screen frames is connected with the servo motor, and the driving shafts of the other screen frames are driven by the chain wheel driving assembly. According to the utility model, the screen frame drives the lifting chain to drive the drying screen supporting strip and the drying screen to perform level lifting in the box body through the servo motor, so that the uniformity and the drying effect of tea drying are good; the screen inlet and the screen outlet are operated through the screen inlet and the screen outlet, the drying screen is automatically reset to close the door when being separated, the whole box door is not required to be opened during operation, and the heat energy loss is low during the screen inlet and the screen outlet operation.

Description

Three-dimensional tealeaves drying-machine

Technical Field

The utility model relates to a three-dimensional tea dryer, and belongs to the field of machinery.

Background

The tea leaves are dried after the rolling process so as to preserve and activate the aromatic substances of the tea leaves, and mainly used drying equipment comprises a roller dryer, a belt dryer, a box dryer and the like. The box-type dryer often adopts a multi-layered drying rack structure to increase drying capacity and improve heat energy utilization rate. The multilayer of box drying-machine among the prior art dries the frame and mostly sets up for fixed knot structure, because the temperature difference between the case inlayer level, the inhomogeneous condition of drying between the level often can appear, consequently need manual change the level position of drying sieve in the stoving in-process, has not enoughly.

Meanwhile, in the prior art, when the box type dryer loads, collects and changes the position of the drying screen, the door of the dryer needs to be opened for operation, so that a large amount of heat loss can be caused, the heat energy waste is obvious, and the defects exist.

Disclosure of utility model

Aiming at the defects, the utility model provides a three-dimensional tea dryer, which adopts the following technical scheme:

A three-dimensional tea dryer comprises a box body, a controller and a pair of screen frames arranged in the box body, wherein an electric heating component or a hot air device connected with the outside through a pipeline is arranged in the box body; the screen frame comprises a driving shaft, a fixed shaft, a first chain wheel, a lifting chain and a plurality of drying screen supporting strips, wherein the driving shaft and the fixed shaft are arranged on the box body, the first chain wheel is arranged on the driving shaft and the fixed shaft, the lifting chain is arranged on the first chain wheel, the drying screen supporting strips are arranged on the lifting chain at equal intervals, and a drying screen is movably inserted on the drying screen supporting strips; the driving shaft of one of the sieve frames is connected with the servo motor, and the driving shaft of the sieve frame is driven with the driving shaft of the other sieve frame through a chain wheel driving assembly.

The sprocket transmission assembly comprises a second sprocket arranged on a driving shaft connected with the servo motor, a first gear arranged on the driving shaft of the other screen frame, a second gear meshed with the first gear, a third sprocket arranged on the shaft of the second transmission gear, and a transmission chain matched between the second sprocket and the third sprocket.

Further, a screen inlet and a screen taking opening are formed in the box body, an automatic reset door is mounted on the screen inlet and the screen taking opening through a spring hinge, and a photoelectric sensor is arranged on the screen inlet.

Further, a guide pushing block with an inclined plane is arranged at the position, opposite to the screen taking opening, on the box body.

Further, the controller is a PLC controller, and the PLC controller is electrically connected with the servo motor, the electric heating component or the hot air equipment and the photoelectric sensor.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the screen frame drives the drying screen supporting strip and the drying screen to make the level rise in the box body by arranging the servo motor to drive the lifting chain, so that the uniformity and the drying effect of tea drying are good. The screen feeding and taking device is operated through the screen feeding opening and the screen taking opening, the whole box body door is not required to be opened during operation, the spring hinge automatic reset door is arranged, the drying screen is automatically reset to be closed when being separated, and the heat loss is less during screen feeding and taking operation, so that the heat energy utilization rate is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a frame structure of the present utility model;

FIG. 3 is a partial schematic view of the structure of FIG. 2;

FIG. 4 is a schematic view of a mounting structure of a lifting chain and a drying screen carrier strip;

Fig. 5 is a schematic structural diagram of the guide pushing block.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Examples:

Referring to fig. 1 to 5, a three-dimensional tea dryer includes a cabinet 10, a controller 20, and a pair of screen frames 30 installed in the cabinet 10, wherein an electric heating part is provided at an inner bottom of the cabinet 10 or an external hot air device (not shown) is connected through a pipe; the screen frame 30 comprises driving shafts (31A and 31B) mounted on the box body 10, a fixed shaft 32, a first sprocket 33 mounted on the driving shafts and the fixed shaft, a lifting chain 34 mounted on the first sprocket and a plurality of drying screen supporting strips 35 mounted on the lifting chain at equal intervals, wherein a drying screen (not shown) is movably inserted on the drying screen supporting strips 35; the driving shaft 31A of one of the sieve frames 30 is connected with a servo motor 40, the servo motor 40 is positioned on the outer side of the box body 10, and the driving shaft 31A of the sieve frame and the driving shaft 31B of the other sieve frame are driven by a chain wheel transmission assembly.

The sprocket drive assembly includes a second sprocket 51 mounted on a driving shaft 31A connected to the servo motor 40, a first gear 52 mounted on a driving shaft 31B of the other frame, a second gear 53 engaged with the first gear 52 provided at a side of the first gear 52, a third sprocket 54 mounted on a shaft of the second gear 53, and a drive chain 55 mounted between the second sprocket 51 and the third sprocket 54.

Further, the box body 10 is provided with a screen inlet 11 and a screen taking opening 12, the position of the screen inlet 11 corresponds to the height position of the bottom-most baking screen supporting strip 35 on the screen frame, and the position of the screen taking opening 12 corresponds to the height position of the top-most baking screen supporting strip 35 on the screen frame; the automatic reset door 13 is arranged on the screen inlet 11 and the screen outlet 12 through a spring hinge, wherein the automatic reset door 13 of the screen inlet 11 is arranged to be opened inwards, the automatic reset door 13 of the screen outlet 12 is arranged to be opened outwards, and the screen inlet 11 is provided with the photoelectric sensor 14.

Further, a slant guide block 15 is disposed on the box 10 at a position opposite to the screen opening 12.

Further, the controller 20 is a PLC controller, and the PLC controller is electrically connected to the servo motor 40, the electric heating element or the hot air device, and the photoelectric sensor 14.

When the electric heating component is selected to supply heat to the box body, the electric heating component can be selected from electric heating elements such as an electric heating wire, an electric heating tube, an electric heating sheet, an electric heating disc and the like.

When external hot air equipment is selected to supply heat to the box body, the hot air equipment can be selected from hot air equipment such as an electric heating fan, a hot air furnace and the like.

When the automatic tea drying device is used for drying tea leaves, a drying sieve filled with tea leaves is loaded from a sieve inlet, when a photoelectric sensor senses that the drying sieve needs to be loaded, a signal is sent to a PLC (programmable logic controller), the PLC sends a signal to a servo motor, the servo motor rotates to drive a lifting chain to move so as to drive a drying sieve supporting strip to move to a position corresponding to the sieve inlet, and a worker pushes the drying sieve to be inserted on the drying sieve supporting strip to dry in a box body. When the next drying screen is pushed in, the upper drying screen is moved up by one layer. After a plurality of operations, when the uppermost layer of the drying screen in the box body is brought to the corresponding height of the screen taking opening by the lifting chain, the uppermost layer of the drying screen is partially pushed out of the screen taking opening under the pushing of the guide pushing block, and a worker takes out the drying screen.

The distance for driving the drying sieve support bars to ascend by each rotation of the servo motor is set to be the distance between the two drying sieve support bars, and the distance can be set by setting the rotation number of the servo motor.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (5)

1. A three-dimensional tealeaves drying-machine, its characterized in that: comprises a box body, a controller and a pair of screen frames arranged in the box body, wherein an electric heating component or external hot air equipment is arranged in the box body; the screen frame comprises a driving shaft, a fixed shaft, a first chain wheel, a lifting chain and a plurality of drying screen supporting strips, wherein the driving shaft and the fixed shaft are arranged on the box body, the first chain wheel is arranged on the driving shaft and the fixed shaft, the lifting chain is arranged on the first chain wheel, the drying screen supporting strips are arranged on the lifting chain at equal intervals, and a drying screen is movably inserted on the drying screen supporting strips; the driving shaft of one of the sieve frames is connected with the servo motor, and the driving shaft of the sieve frame is driven with the driving shaft of the other sieve frame through a chain wheel driving assembly.

2. A stereoscopic tea dryer according to claim 1, wherein: the sprocket transmission assembly comprises a second sprocket arranged on a driving shaft connected with the servo motor, a first gear arranged on the driving shaft of the other screen frame, a second gear meshed with the first gear, a third sprocket arranged on the shaft of the second gear, and a transmission chain arranged between the second sprocket and the third sprocket.

3. A stereoscopic tea dryer according to claim 1, wherein: the box is provided with a screen inlet and a screen taking opening, the screen inlet and the screen taking opening are provided with an automatic reset door through a spring hinge, and the screen inlet is provided with a photoelectric sensor.

4. A stereoscopic tea dryer according to claim 3, wherein: and a guide pushing block with an inclined plane is arranged at the position, opposite to the screen taking opening, on the box body.

5. A stereoscopic tea dryer according to claim 1, wherein: the controller is a PLC controller, and the PLC controller is electrically connected with the servo motor, the electric heating component or the hot air equipment and the photoelectric sensor.