CN115416907A - Automatic change meal equipment separately - Google Patents

Abstract

The invention discloses an automatic meal-distributing device, which comprises a meal-distributing bin and a transmission component; A baffle is slidably arranged at the material opening; the transmission assembly is arranged outside the meal distribution bin and connected between the breaking assembly and the baffle. The intermittent transmission structure between the structure and the baffle; the intermittent transmission structure is used to make the baffle move intermittently to the outside or inside of the discharge port to conduct the discharge port or seal the discharge port; compared with the prior art, the present invention uses power The power is provided by the device, and the design of the dispersing component, the adjustable transmission part, the belt transmission structure, the intermittent transmission structure and the baffle is used to continuously discharge the material at the discharge port to achieve the purpose of quantitative meal distribution; the power is reduced The use of components reduces energy consumption and reduces equipment costs.

Description

An automatic meal distribution device

technical field

The invention relates to the technical field of meal sharing structures, in particular to an automatic meal sharing device.

Background technique

At present, large-scale catering service departments such as canteens in most institutions and schools adopt a self-service dining mode or manual allocation of canteen staff when providing catering services. In the case of using the self-service dining mode, the general canteen staff put the staple food and dishes in the centralized container in advance, and the diners line up to pass through these containers in order, choose the dishes by themselves, and serve them on the plate they carry. , and then eat; in the case of manual distribution by the staff, the dining personnel still pass through the containers for the dishes that are arranged in a centralized manner in order.

The patent document with the application number CN201911179942.X discloses an intelligent meal distributing machine, including a cabinet, a turning device is arranged on the cabinet, a cutting device is arranged below the turning device, and both the turning device and the cutting device are connected with the control system. connected, the stirring device includes a rotating shaft and a cylinder assembly arranged on the rotating shaft, a plurality of blades are fixed in the cylinder assembly on the rotating shaft, the rotating shaft is connected with a first drive motor, and the cylinder assembly is connected with a second drive motor, The bottom of the cylinder assembly is provided with a plurality of vegetable separation funnels, and the cutting device includes multiple sets of blanking assemblies matched with the vegetable separation funnels. The blanking assembly is provided with a blanking port and a discharge port, and the blanking assembly is connected with a The first driving device for opening or closing the discharge opening, and the second driving device for controlling the opening or closing of the discharge opening.

The above-mentioned intelligent meal dispensing machine includes multiple power components such as the first drive motor, the second drive motor, the first drive device and the second drive device, and the energy consumption is relatively high; and the relatively high cost is also the first drive motor, The power components such as the second driving motor, the first driving device and the second driving device greatly increase the equipment cost.

Contents of the invention

Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide an automatic meal distribution equipment to solve the problem in the prior art that multiple power elements are used to cause high energy consumption and greatly increase the cost of the equipment.

In order to achieve the above object, the present invention adopts the following technical solutions: an automatic meal distribution equipment, comprising:

Meal distribution bin, the top of the meal distribution bin is provided with a material inlet and its bottom is provided with a discharge port, the meal distribution bin is provided with a breaking assembly driven by a power device, and a baffle is slidably arranged at the discharge port;

The transmission assembly, the transmission assembly is arranged outside the meal distribution bin and connected between the breaking assembly and the baffle, the transmission assembly includes a belt transmission structure connected to the dispersion assembly through an adjustable transmission part and a belt transmission structure connected to the baffle The intermittent transmission structure between them; the adjustable transmission part is used to drive or disconnect the transmission between the dispersing assembly and the belt transmission structure, and the intermittent transmission structure is used to make the baffle move intermittently to the outside or inside of the discharge port to conduct the discharge mouth or sealed outlet.

Working principle: Add rice or dishes from the feeding port into the meal-distributing bin, and the power device provides power to make the breaking components run in the meal-sharing bin to break up the rice or dishes; and when the breaking up components are running, they pass through the Adjust the transmission part, belt transmission structure and intermittent transmission structure to drive, so that the baffle moves intermittently to the outside or inside of the discharge port to conduct the discharge port or seal the discharge port; break up the components and make the rice or dishes flow toward the discharge port Direction movement, when the outlet is turned on, the material is discharged, so as to continuously and quantitatively divide meals.

Compared with the prior art, the present invention has the following beneficial effects:

The automatic meal distribution equipment is only powered by the power device, and it cooperates with the design of the dispersing component, the adjustable transmission part, the belt transmission structure, the intermittent transmission structure and the baffle to continuously discharge the material at the discharge port to achieve quantitative The purpose of sharing meals; reducing the use of power components, reducing energy consumption, and reducing equipment costs.

Description of drawings

Fig. 1 is the structural representation of an embodiment of the present invention;

Fig. 2 is the schematic diagram of the structure after the protective cover is cut off in Fig. 1;

Fig. 3 is a partial cross-sectional view along line A-A of Fig. 1;

Fig. 4 is a partial cross-sectional view at B in Fig. 1;

Fig. 5 is a partial sectional view along line C-C of Fig. 4 .

The reference signs in the accompanying drawings of the description include: meal distribution bin 1, discharge port 2, baffle plate 3, adjustable transmission part 4, connecting shaft 41, adjustment shaft 42, spline shaft section 421, belt transmission structure 5, main belt Wheel 51, from pulley 52, belt 53, intermittent transmission structure 6, sector gear 61, circular gear 62, drawbar 63, transmission gear 7, protective cover 8, movable hole 9, first spline groove 10, sealing cover 11, Adjusting cap 12, adjusting rod 13, arc groove 14, first switch 15, second switch 16.

detailed description

The present invention will be described in further detail below by means of specific embodiments:

As shown in Figure 1 and Figure 2, the embodiment of the present invention proposes an automatic meal distribution equipment, including a meal distribution bin 1 and a transmission assembly;

Wherein, the top of the meal-distributing bin 1 is provided with a feeding port and the bottom thereof is provided with a discharge port 2, and the meal-distributing bin 1 is provided with a break-up assembly driven by a power device, and a baffle plate 3 is slidably arranged at 2 places of the meal-distributing bin 1. ;

The transmission assembly is arranged outside the meal distribution bin 1 and is connected between the break-up assembly and the baffle plate 3. The transmission assembly includes a belt drive structure 5 connected to the break-up assembly through an adjustable transmission part 4 and is connected between the belt drive structure 5 and the baffle plate 3. The intermittent transmission structure 6 between the baffles 3; the adjustable transmission part 4 is used to drive or disconnect the transmission between the dispersing assembly and the belt transmission structure 5, and the intermittent transmission structure 6 is used to make the baffle 3 intermittently move toward the discharge port 2 Move outside or inside to conduct the discharge port 2 or seal the discharge port 2.

When working, add rice or dishes from the feeding port into the meal-distributing bin 1, and the power device provides power to make the breaking components run in the meal-sharing bin 1 to break up the rice or dishes; and when the breaking up components are running, sequentially It is driven by the adjustable transmission part 4, the belt transmission structure 5 and the intermittent transmission structure 6, so that the baffle plate 3 moves intermittently to the outside or inside of the discharge port 2 to conduct the discharge port 2 or seal the discharge port 2; The component also moves the rice or dishes to the direction of the discharge port 2, and when the discharge port 2 is turned on, the material is discharged, so as to continuously and quantitatively divide meals.

The automatic meal distribution equipment is only powered by the power device, and is continuously discharged at the discharge port 2 with the design of the dispersing component, the adjustable transmission part 4, the belt transmission structure 5, the intermittent transmission structure 6 and the baffle plate 3. , in order to achieve the purpose of quantitative meal distribution; reduce the use of power components, reduce energy consumption, and reduce equipment costs.

In this embodiment: the top of the meal-distributing bin 1 is open to form a feeding port, which is convenient for adding rice or dishes to the meal-dividing bin 1; point, which is convenient and quick to discharge from the discharge port 2 and avoids the dead angle of discharge in the meal distribution bin 1; a support seat is provided at the bottom of the meal distribution bin 1.

Wherein, the dispersing assembly includes two cooperating dispersing rollers that are rotated and arranged in the meal-distributing bin 1, and the two dispersing rollers are horizontally rotated and arranged in the meal-distributing bin 1; The two transmission gears 7 that are engaged with the other breaking drum are rotated and connected. The two transmission gears 7 and the power device are all arranged on the outer wall of the meal distribution bin 1 and are located on different side walls of the meal distribution bin 1, so as to arrange them reasonably ; Here, the power device can be a motor to provide power to drive the broken drum connected to it to rotate, and then rotate the other broken drum through the rotation of two transmission gears 7, and the two broken drums rotate in opposite directions to input The rice or dishes in the meal compartment 1 are broken up and pushed toward the discharge port 2.

The adjustable transmission part 4 is specifically connected to one of the transmission gears 7 for transmission; when the adjustable transmission part 4 is adjusted to disconnect the transmission between the dispersing assembly and the belt transmission structure 5, the meal distribution is completed in the meal distribution bin 1. Finally, when it is necessary to clean the inside, the baffle plate 3 is always sealed to the discharge port 2, and then water is added to the meal distribution bin 1 from the feed port, and the power unit is started at the end, which can be achieved by the operation of two breaking drums. The water is continuously stirred in the meal distribution bin 1, so that the residue falls off from the outer walls of the two breaking drums and the inner wall of the meal distribution bin 1 and is mixed into the water; transmission, then the belt transmission structure 5, the intermittent transmission structure 6 and the baffle plate 3 will not run, the baffle plate 3 keeps the seal of the discharge port 2, and the water can always be kept in the meal distribution bin 1 for cleaning work, and this can also be reduced. Energy consumption in the process; after cleaning the water in the meal distribution bin 1 for a period of time, move the baffle 3 to make the discharge port 2 conduct, and the water will be discharged from the discharge port 2 to complete the cleaning of the meal distribution bin 1; if one cleaning If it is not clean, it can be cleaned multiple times in a row.

As shown in Figure 2, according to another embodiment of the present invention, the automatic meal distribution equipment, wherein the intermittent transmission structure 6 includes a sector gear 61, a circular gear 62 and a traction rod 63;

Wherein, the sector gear 61 is rotatably arranged on the outer wall of the meal bin 1 and connected with the belt transmission structure 5 through transmission;

The circular gear 62 is rotatably arranged on the outer wall of the meal bin 1 and meshes with the circular gear 62, and the circumference of the circular gear 62 is twice the arc length of the sector gear 61;

One end of the traction rod 63 is rotatably connected to the eccentric position of the circular gear 62 , and the other end is rotatably connected to one end of the baffle plate 3 .

In the process of meal sharing: the power unit is started, and the two transmission gears 7 and the two breaking rollers are all running. At this time, the adjustable transmission part 4 is adjusted to drive and connect between the breaking assembly and the belt transmission structure 5, that is, the adjustable transmission part 4 The transmission is connected between one of the transmission gears 7 and the belt transmission structure 5 to drive the belt transmission structure 5; during the operation of the belt transmission structure 5, the sector gear 61 is driven to rotate, because the circumference of the circular gear 62 is equal to the sector gear 61 The arc length is twice as long, then when the sector gear 61 meshes with the circular gear 62 once, the circular gear 62 rotates half a circle to move the baffle plate 3 to the outside of the discharge port 2, and the discharge port 2 is turned on to discharge the material and place it on the In the lunch box below the discharge port 2; the rear sector gear 61 continues to rotate to disengage from the circular gear 62. During this process, the discharge port 2 remains open to discharge, so as to continuously add materials to the lunch box; when the sector When the gear 61 meshes with the round gear 62 again, the round gear 62 continues to rotate half a circle and then disengages from the sector gear 61 again, so that the baffle plate 3 moves to the discharge port 2 to seal the discharge port 2, and the discharge port 2 stops Discharge, to complete a meal, now because the sector gear 61 and the circular gear 62 are out of mesh, the discharge port 2 remains sealed, then the next meal box is placed under the discharge port 2 after having time to remove the lunch box; The gear 61 and the round gear 62 repeat the above-mentioned cooperation, then carry out the work of dividing meals continuously and quantitatively.

As shown in Figure 2, according to another embodiment of the present invention, the automatic meal distribution equipment, wherein the belt drive structure 5 includes a main pulley 51, a slave pulley 52 and a belt 53;

Wherein, the main pulley 51 is rotatably arranged on the outer wall of the meal bin 1 and connected with the adjustable transmission part 4;

The secondary pulley 52 is rotatably arranged on the outer wall of the meal bin 1 and is coaxially connected with the sector gear 61;

The belt 53 is driven and connected between the primary pulley 51 and the secondary pulley 52 .

Here: specifically, the primary pulley 51 , the belt 53 and the secondary pulley 52 run sequentially to transmit between the adjustable transmission part 4 and the sector gear 61 .

As shown in Figures 1 and 2, according to another embodiment of the present invention, the automatic meal distribution equipment, wherein the outer wall of the meal distribution bin 1 is fixedly provided with a protective cover 8, a sector gear 61, a circular gear 62, a main belt The wheel 51 and the pulley 52 are all arranged in the protective cover 8, the protective cover 8 has a movable hole 9, and the drawbar 63 freely passes through the movable hole 9 and moves freely.

In this embodiment: the sector gear 61, the circular gear 62, the main pulley 51 and the slave pulley 52 are protected by the protective cover 8, so as to prevent the sector gear 61, the circle gear 62, the primary pulley 51 and the slave pulley 52 from The transmission is interrupted due to external influences during operation, which improves the service life of the sector gear 61, the circular gear 62, the main pulley 51 and the slave pulley 52; the design of the movable hole 9 is convenient for reasonable installation of the drawbar 63 without The movement of the drawbar 63 will be affected.

Wherein, the protective cover 8 and the outer wall of the meal distribution bin 1 can be fixedly connected in a clamping manner, for example, a snap-in groove is formed on the outer wall of the meal distribution bin 1, and the end of the protective cover 8 is snapped into the snap-in groove. Make a permanent connection.

As shown in Figure 1, Figure 2 and Figure 3, according to another embodiment of the present invention, the automatic meal distribution equipment, wherein the adjustable transmission part 4 includes a connecting shaft 41 and an adjusting shaft 42;

Wherein, one end of the connecting shaft 41 is rotationally connected with the inner wall of the protective cover 8, and the other end is fixedly connected with the main pulley 51;

One end of the adjustment shaft 42 freely passes through the connecting shaft 41 and the protective cover 8 and is placed outside the protective cover 8, and the other end is a spline shaft section 421, which is splined with the main pulley 51 and is also moved by Shaft 42 is adjusted for drive connection and disconnection of the break-up assembly.

Here: specifically, by moving the adjustment shaft 42, a transmission gear 7 in the dispersing assembly is connected or disconnected from the main pulley 51, and the main pulley 51 is stably connected to the protective cover through the connecting shaft 41. 8; one end of the adjustment shaft 42 placed outside the protective cover 8 is convenient for the staff to hold and move it. When the adjustment shaft 42 is moved to make the spline shaft section 421 only splined with the main pulley 51, the transmission Disconnect transmission connection between gear 7 and main pulley 51, now transmission gear 7 rotates, main pulley 51 can not rotate; 7 are connected by splines, then transmission gear 7 is connected with the transmission between the main pulley 51, and now the transmission gear 7 rotates, and the main belt pulley 51 is rotated through the adjustment shaft 42 for transmission.

Based on the above scheme: the first spline groove 10 is formed on the main pulley 51, and the second spline groove arranged opposite to the first spline groove 10 is formed on the break-up assembly, that is, a spline groove corresponding to the first spline groove is formed on one of the transmission gears 7. A spline groove 10 is arranged opposite to the second spline groove; the spline shaft section 421 is splined with the first spline groove 10 and the second spline groove, and the length of the spline shaft section 421 is greater than the notch of the first spline groove 10 and the second spline groove. The distance between the bottoms of the second spline grooves is smaller than the distance between the bottoms of the first spline grooves 10 and the opening of the second spline grooves.

Through the cooperative design of the first spline groove 10, the second spline groove and the spline shaft section 421, when the staff holds the end of the adjustment shaft 42 placed outside the protective cover 8 to move the adjustment shaft 42 outside the protective cover 8, the spline The key shaft section 421 is moved out from the second spline groove and moved out into the first spline groove 10, so that the spline shaft section 421 is only splined with the first spline groove 10, so that the spline shaft section 421 is only connected to the main spline groove. Pulley 51 is splined, and transmission gear 7 is disconnected from main pulley 51. At this time, transmission gear 7 rotates, and main pulley 51 will not rotate; reversely move adjustment shaft 42, spline shaft section 421 one end from Move in the first spline groove 10 to the second spline groove and at this time the other end of the spline shaft section 421 is also placed in the first spline groove 10 to move the spline shaft section 421 with the first spline groove 10 and the second spline groove. The spline grooves are all splined, and now the splined shaft section 421 is splined with the main pulley 51 and the transmission gear 7, and the transmission gear 7 is connected with the transmission between the main pulley 51. At this time, the transmission gear 7 rotates. The shaft 42 is used to drive the primary pulley 51 to rotate for transmission.

Further, a mounting hole coaxially arranged and communicated with the first spline groove 10 is formed on the main pulley 51, and the end of the adjusting shaft 42 far away from the spline shaft section 421 freely passes through the mounting hole and is in sliding contact with the inner wall of the mounting hole. The cross-sectional area of the hole along its radial direction is smaller than the cross-sectional area of the first spline groove 10 along the radial direction of the mounting hole.

Here, the adjustment shaft 42 is provided with a channel to be installed on the main pulley 51 through the cooperation of the installation hole and the first spline groove 10, and the size of the installation hole and the first spline groove 10 is designed so that the matched adjustment shaft The cross-sectional area of the spline shaft section 421 of 42 along its radial direction is greater than the cross-sectional area of the other section of the adjustment shaft 42 along its radial direction; Move between the two spline grooves to avoid disconnecting from the main pulley 51 in the process of moving the adjustment shaft 42; Move out of the second spline groove and reach the groove bottom of the first spline groove 10, so that the transmission gear 7 and the main pulley 51 are disconnected in the process of disconnecting the transmission connection, and one end of the spline shaft segment 421 moves from the first spline groove 10. Into the second spline groove and until it abuts against the bottom of the second spline groove, so as to improve the accuracy of the adjustment shaft 42 during the movement adjustment process.

As shown in Fig. 1, Fig. 4 and Fig. 5, according to another embodiment of the present invention, the automatic meal distribution equipment, wherein the side wall of the meal distribution bin 1 has an installation cavity, and the inner ring of the installation cavity is arranged in the meal distribution bin 1 Multiple transducers outside the inner space, all of which are electrically connected to ultrasonic generators (not shown in the drawings).

Wherein, the transducer and the ultrasonic generator are commonly used electrical equipment, and the structure in the application number CN201410514315.8 can be referred to; in this embodiment: the ultrasonic generator and the transducer are all arranged in the installation cavity, and the installation cavity A protective door can be set on the side wall to facilitate observation and maintenance of the ultrasonic generator.

During the operation of the breaking drum, rice and other residues may be firmly adhered to the outer wall of the breaking drum and the inner wall of the meal compartment 1, and it cannot be cleaned thoroughly only by stirring the water in the meal compartment 1 driven by the breaking drum. The ultrasonic generator can be activated to enable the transducer to generate ultrasonic waves in the meal-distributing bin 1 to efficiently clean the meal-distributing bin 1 .

Based on the above scheme: the top of the meal distribution bin 1 is rotatably connected with a sealing cover 11 for sealing the feed port, one end of the sealing cover 11 is connected to the side wall of the meal distribution bin 1 in rotation, and the other end is freely arranged;

The outer wall of the free side of the sealing cover 11 is rotatably connected with an adjusting cap 12, and the adjusting cap 12 is connected with an adjusting rod 13. The adjusting rod 13 is arranged parallel to and spaced from the center line of rotation of the adjusting cap 12, and the sealing cover 11 is provided with an arc-shaped hole. There is an arc-shaped groove 14 on the top wall of the dining bin 1; one end of the arc-shaped groove 14 is provided with a first switch 15 electrically connected to the power device, and the other end is provided with a second switch 16 electrically connected to the ultrasonic generator;

When the sealing cover 11 is closed, the adjusting rod 13 freely passes through the arc-shaped hole and then extends into the arc-shaped groove 14; the adjusting cap 12 is turned to make the adjusting rod 13 offset against the first switch 15 or the second switch 16 to start the power device and the ultrasonic wave. generator.

Here: the sealing cover 11 can seal the feeding port of the meal-sharing bin 1 to prevent foreign matter from entering the meal-sharing bin 1 to cause the rice or dishes put in the meal-sharing bin 1 to be polluted, and at the same time reduce the heat loss in the meal-sharing bin 1 ; By the cooperation of the adjusting rod 13 with the arc hole and the arc groove 14, the stability of the sealing cover 11 when the feed port of the meal bin 1 is sealed can be improved; the adjusting cap 12 is rotated, and the adjusting rod 13 moves in an arc, The arc-shaped hole and the arc-shaped groove 14 provide space for the movement of the adjustment rod 13. When the power device needs to be started, the adjustment cap 12 is rotated to make the adjustment rod 13 offset against the first switch 15, and the power device runs; when the power device needs to be started When turning the adjusting cap 12 in reverse to make the adjusting rod 13 resist the second switch 16, the ultrasonic generator runs; when the adjusting cap 12 is turned to make the adjusting rod 13 between the first switch 15 and the second switch 16, the adjustment When the rod 13 was not in contact with the first switch 15 and the second switch 16, the ultrasonic generator and the power device all stopped running, so as to quickly control the running state of the ultrasonic generator and the power device; specifically, the first switch 15 and the second The switch 16 is a commonly used pressure sensor switch, and the model of the pressure sensor switch can be DWR625.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (9)

1. An automatic meal sharing device, characterized in that, comprising: Meal distribution bin, the top of the meal distribution bin is provided with a material inlet and its bottom is provided with a discharge port, the meal distribution bin is provided with a breaking assembly driven by a power device, and a baffle is slidably arranged at the discharge port; The transmission assembly, the transmission assembly is arranged outside the meal distribution bin and connected between the breaking assembly and the baffle, the transmission assembly includes a belt transmission structure connected to the dispersion assembly through an adjustable transmission part and a belt transmission structure connected to the baffle The intermittent transmission structure between them; the adjustable transmission part is used to drive or disconnect the transmission between the dispersing assembly and the belt transmission structure, and the intermittent transmission structure is used to make the baffle move intermittently to the outside or inside of the discharge port to conduct the discharge mouth or sealed outlet. 2. A kind of automatic meal distribution equipment according to claim 1, characterized in that, the intermittent transmission structure comprises: Sector gear, the sector gear is rotatably arranged on the outer wall of the meal bin and connected with the belt transmission structure; Circular gear, the circular gear is rotatably arranged on the outer wall of the meal-dividing bin and meshed with the circular gear, and the circumference of the circular gear is twice the arc length of the sector gear; A drawbar, one end of the drawbar is rotatably connected to the eccentric position of the circular gear, and the other end is rotatably connected to one end of the baffle. 3. A kind of automatic meal distribution equipment according to claim 2, characterized in that, the belt transmission structure comprises: The main pulley, the main pulley is rotatably arranged on the outer wall of the meal distribution bin and connected with the adjustable transmission part; The slave pulley is arranged on the outer wall of the food distribution bin and connected coaxially with the sector gear; The belt is connected between the main pulley and the driven pulley. 4. A kind of automatic meal distribution equipment according to claim 3, characterized in that, the outer wall of the meal distribution bin is fixedly provided with a protective cover, and sector gears, circular gears, main pulleys and slave pulleys are all arranged in the protective cover, An active hole is arranged on the protective cover, and the tow bar freely passes through the active hole and moves freely. 5. A kind of automatic meal distribution equipment according to claim 4, characterized in that: the adjustable transmission part comprises: A connecting shaft, one end of the connecting shaft is rotatably connected to the inner wall of the protective cover, and the other end is fixedly connected to the main pulley; An adjustment shaft, one end of the adjustment shaft freely passes through the connecting shaft and the protective cover and is placed outside the protective cover, and the other end is a spline shaft section, which is splined with the main pulley and connected Break up component drive connections or disconnect drive connections. 6. An automatic meal distribution device according to claim 5, characterized in that: a first spline groove is formed on the main pulley, and a second spline groove opposite to the first spline groove is formed on the breaking assembly , the spline shaft section is splined to the first spline groove and the second spline groove, and the length of the spline shaft section is greater than the distance between the opening of the first spline groove and the bottom of the second spline groove and less than the first The distance between the bottom of the spline groove and the notch of the second spline groove. 7. An automatic meal distribution device according to claim 6, characterized in that: the main pulley is formed with a mounting hole coaxially arranged and communicated with the first spline groove, and the adjustment shaft is away from the end of the spline shaft section freely pass through the mounting hole and slide in contact with the inner wall of the mounting hole, the cross-sectional area of the mounting hole along its radial direction is smaller than the cross-sectional area of the first spline groove along the radial direction of the mounting hole. 8. An automatic meal distribution device according to claim 1, characterized in that: there is an installation cavity inside the side wall of the meal distribution bin, and the inner ring of the installation cavity is provided with a plurality of transducers outside the inner space of the meal distribution bin , a plurality of transducers are electrically connected to an ultrasonic generator. 9. A kind of automatic meal distribution equipment according to claim 8, characterized in that: the top of the meal distribution bin is rotatably connected with a sealing cover for sealing the feeding port, one end of the sealing cover is connected to the side wall of the meal distribution bin in rotation, and the other Free arrangement at one end; The outer wall of the free side of the sealing cover is rotatably connected with an adjusting cap, and the adjusting cap is connected with an adjusting rod. There is an arc-shaped groove; one end of the arc-shaped groove is provided with a first switch electrically connected to the power device, and the other end is provided with a second switch electrically connected to the ultrasonic generator; When the sealing cover is closed, the adjusting rod freely passes through the arc-shaped hole and then extends into the arc-shaped groove; the adjusting cap is turned to make the adjusting rod offset against the first switch or the second switch to start the power unit and the ultrasonic generator.

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