Candy coating machine

Abstract

The utility model relates to the technical field of candy processing equipment, in particular to a candy coating machine which comprises a coating machine and a hot air leading-out mechanism, the hot air leading-out mechanism comprises an air guide pipe which is fixedly connected and communicated with the air outlet end of the coating machine, and the end, opposite to the air outlet end of the coating machine, of the air guide pipe is fixedly connected with a plug. A first air outlet hole is formed in the outer side of the plug, and a second air outlet hole is formed in the outer side of the air guide pipe; the guide plate can intercept part of airflow opposite to the guide plate, the part of airflow spirally flows in the air guide pipe along the guide plate, when the airflow passes through the second air outlet hole, the passing airflow loses blocking, and the part of airflow is rapidly discharged outwards along the second air outlet hole under the action of centrifugal force. In this way, it can be ensured that airflow with enough flow can be jetted to the inner side, located on the side of the air guide pipe, of the roller, the hot air flow difference between the first air outlet holes and the second air outlet holes is effectively reduced, and the effect of uniform air distribution is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to candy processing equipment technical field, and particularly to candy coating machine. BACKGROUND

[0002] Coating machine is a kind of high-efficiency energy-saving electromechanical equipment, and is used for film coating and controlled-release coating of tablets, pills and other preparations. Its working principle is that the pot body rotates clockwise to make the tablets tumble and rub, and the uniform wrapping is realized by manually adding sugar-coated powder. The equipment is equipped with an electric heating air blower to deliver hot air into the pot to accelerate water evaporation and ensure that the coating layer is quickly dried and shaped.

[0003] After searching the Chinese patent "a coating machine", the announcement number is "CN222033088U", including frame, rotatable material bucket, opening groove is equipped on the material bucket, hot air pipe, including the first section and the second section that are communicated, the first section and the second section are connected by flexible pipe, the first section is connected with gas source, part of the second section extends into the opening groove, the axial direction of the part of the second section extending into the opening groove is provided with the first air outlet, the axial direction of the part of the second section extending into the opening groove is provided with the second air outlet. The second section is provided with air outlets in the circumferential direction and the axial direction, and the heating surface is larger and the heating is more uniform. The flexible pipe can be a corrugated pipe or an empty pipe made of flexible material, which is convenient for the second section to extend into the opening groove.

[0004] Since the above-mentioned device uses a porous designed pipeline to increase the air distribution direction of hot air, however, the air guide pipeline is a straight pipe, and the end of the straight pipe is provided with the first air outlet facing the flow direction of the heat pipe. In this process, a large amount of hot air is discharged through the first air outlet, and the farther the distance between the remaining second air outlet and the first air outlet, the smaller the hot air flow, resulting in a lower local temperature near the opening of the material bucket, and a temperature uneven condition exists.

[0005] Therefore, the candy coating machine is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model discloses a candy coating machine to solve the above-mentioned problems, and the dry temperature uneven problem existing in the prior art candy coating machine is improved.

[0007] The utility model discloses a candy coating machine to solve the above-mentioned problems, and the dry temperature uneven problem existing in the prior art candy coating machine is improved.

[0008] Coating machine and hot air guide mechanism, the hot air guide mechanism includes the guide pipe that is fixedly connected and communicated at coating machine air outlet, the one end of guide pipe is fixedly connected with the plug that is away from coating machine air outlet, the first air outlet is seted up at the outside of plug, the second air outlet is seted up at the outside of guide pipe, the inside of guide pipe is fixedly connected with the guide plate, the inner wall of second air outlet is close to the surface of guide plate that is away from plug is attached.

[0009] Preferably, the guide plate is in the shape of a spiral, and the number of the second air outlet holes is not less than twenty.

[0010] Preferably, the ratio of the width of the guide plate to the length of the inner diameter of the air duct is 1:4, and the cross-sectional shape of the end of the guide plate away from the plug is an isosceles triangle.

[0011] Preferably, the number of the guide plates is not less than five, and the guide plates are distributed in a ring around the axis of the air duct.

[0012] Preferably, the outer side of the air duct is provided with external threads, and the inner side of the plug is provided with internal threads for thread connection with the external threads.

[0013] Preferably, the outer side of the air duct is fixedly connected with a positioning ring, and the end of the plug facing the second air outlet hole is in contact with the positioning ring.

[0014] Preferably, the horizontal cross-sectional shape of the outer side of the plug is a regular hexagon.

[0015] The beneficial effects of the present utility model are:

[0016] 1. The guide plate can intercept part of the airflow opposite to it, and the part of the airflow spirally flows inside the air duct along the guide plate. When the airflow passes through the second air outlet hole, the airflow passing through loses the blockage at this time, and the part of the airflow is quickly discharged outward along the second air outlet hole under the action of centrifugal force, which can ensure that the inner side of the roller on the side of the air duct can be sprayed with sufficient airflow, effectively reducing the difference in hot air flow between the first air outlet hole and the second air outlet hole, to achieve the effect of uniform air distribution.

[0017] 2. The design of the positioning ring can limit the installation position of the plug, avoid the "slip" between the external threads and the internal threads due to the excessive upward rotation of the plug by the staff, and ensure the stable operation of the plug. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the overall structure in the present utility model;

[0019] Figure 2 is a structural schematic view of the hot air guiding-out mechanism in the present utility model;

[0020] Figure 3 is a sectional view of the hot air guiding-out mechanism in the present utility model;

[0021] Figure 4 is an exploded view of the hot air guiding-out mechanism in the present utility model.

[0022] In the figure: 100, coating machine; 200, hot air guide mechanism; 210, air guide pipe; 220, plug; 230, first air outlet; 240, second air outlet; 250, guide plate; 260, external thread; 270, internal thread; 280, positioning ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the specific implementation, as shown in the figure, the candy coating machine comprises: Figures 1-4

[0025] The coating machine 100 and the hot air guide mechanism 200, the coating machine 100 comprises but is not limited to the following structure:

[0026] Frame;

[0027] Speed reducer, the speed reducer is fixedly connected to the inner side of the frame through bolts;

[0028] Roller, the roller is fixedly connected to the end of the output shaft of the speed reducer through the shaft pin connection;

[0029] PLC controller, the PLC controller is fixedly connected to the outer side of the frame through bolts;

[0030] Constant pressure variable peristaltic pump, the constant pressure variable peristaltic pump is fixedly connected to the inner side of the frame through bolts;

[0031] Liquid storage tank; the liquid storage tank is fixedly connected and communicated with the liquid inlet end of the constant pressure variable peristaltic pump;

[0032] Liquid outlet pipe, the liquid outlet pipe is fixedly connected and communicated with the liquid outlet end of the constant pressure variable peristaltic pump, and one end of the liquid storage tank penetrates into the inside of the roller;

[0033] Electric heater, the electric heater is embeddedly installed in the inside of the roller;

[0034] Temperature controller, the electric heater is installed on the inner side of the roller;

[0035] Hot air blower, the hot air blower is fixedly connected to the inner side of the frame, the air guide pipe 210 is fixedly connected and communicated with the air outlet end of the hot air blower, and the air outlet end of the air guide pipe 210 penetrates into the inside of the roller;

[0036] Filter screen, the filter screen is embeddedly installed in the air inlet end of the hot air blower;

[0037] ​A dust removal fan is fixedly connected to the inner side of the rack;

[0038] An air suction pipe is fixedly connected and communicated with the air inlet end of the dust removal fan, and the air inlet end of the air suction pipe penetrates to the inner side of the drum;

[0039] A dust filter bag is arranged at the air outlet end of the dust removal fan.

[0040] The specific operation process is as follows:

[0041] I. Start the PLC controller to control each component to enter the standby state; fill the coating liquid into the liquid storage tank; pour the coated candies into the drum, and close the drum sealing door.

[0042] II. The electric heater directly heats the inside of the drum to increase the surface temperature of the candies.

[0043] III. The air heater sends hot air into the drum through the air guide pipe 210, and the filter screen ensures that the entering air is clean to avoid impurity pollution.

[0044] IV. The temperature controller monitors the temperature inside the drum in real time, dynamically adjusts the electric heating power and the hot air volume through the PLC, so that the temperature is stabilized in the set range, and ideal conditions are created for the adhesion of the coating liquid.

[0045] V. Start the constant pressure variable peristaltic pump through the PLC controller to uniformly spray the coating liquid in the liquid storage tank into the drum through the liquid outlet pipe.

[0046] VI. The drum rotates at a constant speed under the drive of the speed reducer, and the candies roll under the action of centrifugal force to ensure that the coating liquid covers the surface 360°.

[0047] VII. The PLC controls the start-stop interval and flow of the peristaltic pump to realize multi-batch thin layer spraying and avoid clumping caused by one-time excessive thickness.

[0048] VIII. After spraying, the air heater continuously inputs hot air to accelerate the evaporation of the moisture in the coating liquid to form a uniform film; the drum continuously rotates, and the candies are constantly turned over to be evenly heated to prevent local overheating or sticking; the temperature controller maintains a constant temperature to ensure drying efficiency and candy quality.

[0049] IX. The dust removal fan sucks the hot and humid air and dust in the drum through the air suction pipe, the dust-containing gas is filtered through the dust filter bag, the dust is intercepted, and the clean air is discharged.

[0050] X. According to the process requirements, the PLC controller can be set to multiple "spraying-drying" cycles to increase the coating thickness layer by layer until the preset index is reached.

[0051] Eleven, after the completion of the coating, turn off the electric heater and the air heater, the drum continues to rotate at low speed: natural cooling or introduce the normal temperature air cooling, prevent the sugar coating due to temperature difference cracking, after the candy cooling to the safe temperature, PLC control stop, start the drum to take out the finished product.

[0052] It should be noted that the above description of the reduction motor, PLC controller, constant pressure variable peristaltic pump, electric heater, temperature controller, air heater, dust removal fan are more mature application of prior art devices, the specific model can be selected according to the actual needs, at the same time, the reduction motor, PLC controller, constant pressure variable peristaltic pump, electric heater, temperature controller, air heater, dust removal fan power supply can be built-in power supply, also can be power supply, the specific power supply mode is selected according to the situation, here is not described.

[0053] As shown in Figure 2 , Figure 3 and Figure 4 , the hot air guide mechanism 200 includes a gas guide pipe 210 fixedly connected and communicated with the outlet end of the coating machine 100. The gas guide pipe 210 is a goose neck pipe material member. One end of the gas guide pipe 210 opposite to the outlet end of the coating machine 100 is fixedly connected with a plug 220. The outer side of the plug 220 is provided with a first gas outlet hole 230. The outer side of the gas guide pipe 210 is provided with a second gas outlet hole 240. The inner side of the gas guide pipe 210 is fixedly connected with a guide plate 250. The inner wall of the second gas outlet hole 240 close to the plug 220 is in close contact with the surface of the guide plate 250 opposite to the plug 220. The guide plate 250 is in the shape of a spiral. The number of the second gas outlet hole 240 is not less than twenty. This can expand the uniform gas distribution range of the hot air guide mechanism 200, so that the heat inside the drum is more uniform. The width of the guide plate 250 is one fourth of the length of the inner diameter of the gas guide pipe 210. The cross section shape of one end of the guide plate 250 opposite to the plug 220 is an isosceles triangle. This can reduce the probability of the airflow being slowed down by the guide plate 250, so as to ensure that there is enough flow of hot air discharged from the second gas outlet hole 240. The number of the guide plate 250 is not less than five. The guide plate 250 is distributed in a ring shape around the axis of the gas guide pipe 210. This can increase the effective segmentation and guidance rate of the hot air flow.

[0054] As shown in Figure 2 , Figure 3 and Figure 4As shown, the outer side of the air guide pipe 210 is provided with an external thread 260, and the inner side of the plug 220 is provided with an internal thread 270 which is threadedly connected with the external thread 260, when the plug 220 needs to be maintained, the staff can easily remove the plug 220 by rotating the plug 220 in the corresponding direction, so as to facilitate the subsequent maintenance of the plug 220 by the staff; the outer side of the air guide pipe 210 is fixedly connected with a positioning ring 280, and the end of the plug 220 towards the second air outlet hole 240 is in contact with the positioning ring 280, which can limit the installation position of the plug 220, avoid the staff from rotating the plug 220 too much upwards to cause the "slip thread" between the external thread 260 and the internal thread 270, and ensure that the plug 220 can operate stably; the horizontal cross-sectional shape of the outer side of the plug 220 is a regular hexagon, which can reduce the difficulty of the staff in assembling and disassembling the plug 220.

[0055] In use, when the hot air machine guides hot air into the inside of the air guide pipe 210, the guide plate 250 can intercept part of the airflow opposite to it, and the part of the airflow spirally flows along the guide plate 250 in the inside of the air guide pipe 210, when the airflow passes through the second air outlet hole 240, at this time, the passing airflow loses the blockage, and the part of the airflow is quickly discharged outward along the second air outlet hole 240, which can ensure that the inside of the roller on the side of the air guide pipe 210 can be sprayed with sufficient flow of airflow, effectively reducing the difference in hot air flow between the first air outlet hole 230 and the second air outlet hole 240, to achieve the effect of uniform air distribution, and the part of the airflow not intercepted by the guide plate 250 is guided into the first air outlet hole 230 along the plug 220, and then quickly discharged through the first air outlet hole 230.

[0056] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A machine for coating confectionery, characterised in that, The application relates to a coating machine (100) and a hot air guiding mechanism (200) thereof. The hot air guiding mechanism (200) comprises a gas guide pipe (210) fixedly connected and communicated with an air outlet end of the coating machine (100), a plug (220) fixedly connected to one end of the gas guide pipe (210) away from the air outlet end of the coating machine (100), a first air outlet hole (230) formed in the outer side of the plug (220), a second air outlet hole (240) formed in the outer side of the gas guide pipe (210), and a guide plate (250) fixedly connected to the inner side of the gas guide pipe (210), wherein the inner wall of the second air outlet hole (240) close to the plug (220) is attached to the surface of the guide plate (250) away from the plug (220). The guide plate (250) is in a spiral shape, and the number of the second air outlet holes (240) is not less than twenty.

2. The confectionery coater of claim 1, wherein: The width of the guide plate (250) is one fourth of the length of the inner diameter of the gas guide pipe (210), and the cross section shape of one end of the guide plate (250) away from the plug (220) is an isosceles triangle.

3. The confectionery coater of claim 1, wherein: The number of the guide plates (250) is not less than five, and the guide plates (250) are distributed in a ring shape around the axis of the gas guide pipe (210).

4. The confectionery coater of claim 1, wherein: The outer side of the gas guide pipe (210) is provided with an external thread (260), and the inner side of the plug (220) is provided with an internal thread (270) threadedly connected with the external thread (260).

5. The confectionery coating machine of claim 4, wherein: The outer side of the gas guide pipe (210) is fixedly connected with a positioning ring (280), and one end of the plug (220) facing the second air outlet hole (240) is in contact with the positioning ring (280).

6. The confectionery coating machine of claim 1, wherein: The horizontal cross section shape of the outer side of the plug (220) is a regular hexagon.

7. The confectionery coater of claim 1, wherein: ​

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