Rice serving machine

Abstract

The utility model relates to the field of automation equipment, in particular to a meal serving machine which comprises a machine frame body, a first lifting mechanism and a second lifting mechanism are arranged on the inner side face of the machine frame body, and placing assemblies are arranged on the first lifting mechanism and the second lifting mechanism. A movable connecting rod mechanism is arranged in the rack body and comprises a clamping assembly and a push-pull assembly. A meal serving platform is arranged in the middle of the machine frame body, a meal serving channel is formed in the meal serving platform, a meal serving mechanical arm and a control device are fixed to the meal serving platform, a meal plate is arranged on the lower portion of the inner side of the meal serving machine through a placing assembly, and a first lifting mechanism drives the meal plate to ascend. The control device controls the mechanical arm to penetrate through the rice serving channel to conduct quantitative rice serving, mechanical operation is achieved in the rice serving process, labor cost is reduced, and rice pollution caused by manual contact is avoided. And meanwhile, the meal supplying efficiency and the discharging and cleaning efficiency are well improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automation equipment, concretely relates to a rice serving machine. BACKGROUND

[0002] As an innovative device in modern catering industry, the rice serving machine is gradually showing its unique charm in various canteens and restaurants. It integrates advanced automation technology, and through the coordinated work of precise components such as mechanical arm, propeller and cutter, it realizes the rapid and accurate distribution of food. The accurate weighing system of the rice serving machine can ensure that the weight of each portion of food is uniform, meeting the individual needs of different customers. At the same time, the rice serving machine avoids direct contact with rice during operation, effectively reduces the risk of rice pollution, and improves the hygiene quality of catering services.

[0003] For example, the invention patent with the application number CN202110938923.1 and the name of a rice serving machine includes a machine shell, a rice loading mechanism, a rice scattering mechanism and a rice distributing mechanism located in the machine shell. The rice loading mechanism, the rice scattering mechanism and the rice distributing mechanism are connected and arranged from top to bottom. The rice loading mechanism includes a rice bucket, a first motor, a first transmission member, a first stirring rod, a water tank and a heater. The rice bucket has a containing cavity connected with the rice scattering mechanism. The water tank is installed on the rice bucket. The heater is located in the water tank. The first motor is fixed on the machine shell. One end of the first stirring rod is located in the containing cavity and is rotationally connected with the rice bucket. The other end penetrates through the rice bucket and is connected with the output end of the first motor through the first transmission member. The rice falls from the upper rice loading mechanism into the lower plate. However, this mechanism raises the height of the rice. When adding rice or disassembling and cleaning the rice loading mechanism, the driving device needs to be lifted or lowered, and the replacement or cleaning efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a rice serving machine, aiming at improving the height of the conventional rice serving machine to raise the rice, and the problem of low efficiency of replacement or cleaning when adding rice or disassembling and cleaning the rice loading mechanism.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A rice serving machine includes a machine frame body, a first lifting mechanism and a second lifting mechanism are arranged on the inner side surface of the machine frame body, a placing assembly is arranged on the first lifting mechanism and the second lifting mechanism, the placing assembly is used for stacking and placing rice plates, and the first lifting mechanism and the second lifting mechanism drive the placing assembly to move in the vertical direction.

[0007] The rack body is internally provided with a moving linkage mechanism, which is located above the first lifting mechanism and the second lifting mechanism, and comprises a clamping assembly and a push-pull assembly, the driving end of the push-pull assembly is fixedly connected with the clamping assembly, and the push-pull assembly drives the clamping assembly to move between the first lifting mechanism and the second lifting mechanism.

[0008] The middle part of the rack body is provided with a rice serving platform, the rice serving platform is located above the moving linkage mechanism, a rice serving channel is formed in the rice serving platform, the rice serving channel is located above the first lifting mechanism, a rice serving manipulator and a control device are fixedly arranged on the rice serving platform, the rice serving manipulator is electrically connected with the control device, and the rice serving manipulator is located on one side of the rice serving channel.

[0009] Further, the inside of the rack body is provided with a rice serving trolley, the rice serving trolley comprises a main frame, and a placing platform is arranged on the main frame, and a plurality of rice plates are stacked on the placing platform.

[0010] A feeding passage is formed in the side surface of the rack body, the rice serving trolley passes through the feeding passage and moves towards the first lifting mechanism and the second lifting mechanism.

[0011] The lowest position of the placing platform and the placing assembly is located on the same horizontal plane, a gap is formed in the placing platform, and the end of the placing assembly passes through the gap and enters the main frame.

[0012] Further, limit blocks are oppositely arranged on the placing platform, the limit blocks are in abutting contact with the two end surfaces of the rice plate, and the end of the placing assembly is provided with a limit protrusion corresponding to the position of the limit block.

[0013] Further, the main frame comprises a bottom disc, a plurality of pulleys are arranged on the bottom surface of the bottom disc,

[0014] The two sides of the bottom disc are provided with upwardly extending side frames, a connecting rod is arranged between one side of the side frames, at least four L-shaped placing rods are arranged between the other side of the side frames, the bottom end of the vertical part of the L-shaped placing rod is fixedly connected with the bottom disc, the free end of the horizontal part of the L-shaped placing rod is fixedly connected with the connecting rod, the four L-shaped placing rods are arranged in pairs and correspond to the positions of the first lifting mechanism and the second lifting mechanism, respectively, the horizontal parts of adjacent L-shaped placing rods form the placing platform, and the spacing between the L-shaped placing rods and the spacing between the L-shaped placing rods and the side frames form the gap.

[0015] Further, the first lifting mechanism and the second lifting mechanism each comprise an installation plate, a sliding rail, a driving motor assembly, a driving gear, a driven gear and a transmission chain,

[0016] The mounting plate is fixed in the rack body, the slide rail is fixed on one side of the mounting plate, and the sliding block is arranged on the slide rail;

[0017] The driving motor assembly is fixed on the upper portion of the other side of the mounting plate, the driving end of the driving motor assembly is drivingly connected with the driving gear through the mounting plate, the driven gear is fixed on the lower portion of the one side of the mounting plate through the rotating shaft, and the transmission chain is arranged around the driving gear and the driven gear,

[0018] The back of the placing assembly is fixedly connected with the sliding block and the transmission chain on one side of the driving gear.

[0019] Further, the placing assembly comprises a lifting slide plate, and the back of the lifting slide plate is fixedly connected with the sliding block and the transmission chain on one side of the driving gear.

[0020] The two sides of the front of the lifting slide plate are fixedly connected with placing racks, and the top surface of the placing rack is a horizontal surface.

[0021] Further, the clamping assembly comprises two oppositely arranged first guide rods, the two ends of the first guide rod are provided with mounting seats, the first guide rod is fixed on the inner side wall of the rack body through the mounting seat, and the first guide rod and the inner side wall of the rack body are arranged at intervals.

[0022] The two first bearing seats are movably arranged on the first guide rod, the four first bearing seats on the two first guide rods correspond to each other in pairs, the second guide rod is fixed between the two corresponding first bearing seats, the second bearing seat is movably arranged on the two second guide rods, the four second bearing seats on the two second guide rods correspond to each other in pairs, the hanging rod is fixedly connected between the two second bearing seats on the same second guide rod, the hanging rod is located below the second guide rod and is arranged at intervals between the second guide rod, and the telescopic rod is connected between the two corresponding second bearing seats.

[0023] The middle portion of the first guide rod is fixed with a rotating shaft center block and a driving arm, the middle portion of the driving arm is movably connected with the rotating shaft center, the outer sides of the two first bearing seats on the same first guide rod are movably connected with the connecting rod through the rotating shaft, the free ends of the two connecting rods are movably connected with one end of the driving arm through the rotating shaft, the end portion of the driving arm is provided with the outwardly extending connecting arm, the telescopic cylinder is fixed on the inner side wall of the rack body, and the driving end of the telescopic cylinder is drivingly connected with the connecting arm.

[0024] Further, the outer extending mounting column is fixed on the inner side wall of the rack body, and the mounting seat is fixed on the mounting column.

[0025] Compared with the background art, the present application has the following advantages:

[0026] The rice plate is arranged in the inside of the rice serving machine through the placing assembly, the clamping assembly is located above the first lifting mechanism and the second lifting mechanism, the first lifting mechanism drives the rice plate to ascend, the control device controls the mechanical hand to quantitatively serve rice through the rice serving channel, the rice serving process is realized by mechanical operation, manual cost is reduced, and manual contact is avoided to cause pollution to the rice; the clamping assembly clamps the empty rice plate on the first lifting mechanism, the push-pull assembly drives the clamping assembly to move from above the first lifting mechanism to above the second lifting mechanism, and the empty rice plate is placed on the second clamping assembly to be stored before discharging, the vertical space in the rack body is utilized to serve rice and store the empty plate, and the space utilization rate is low. Meanwhile, the rice plate is located in the lower space in the inside of the rice serving machine, lifting feeding or descending discharging of the rice plate is avoided, and the rice serving efficiency and the discharging and cleaning efficiency are well improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front structure schematic view of the rice serving machine.

[0028] Figure 2 It is a back structure schematic view of the rice serving machine.

[0029] Figure 3 It is an inside structure schematic view of the rice serving machine.

[0030] Figure 4 It is a first lifting mechanism and placing assembly structure schematic view of the rice serving machine.

[0031] Figure 5 It is a rice serving trolley frame structure schematic view of the rice serving machine.

[0032] Figure 6 It is a moving connecting rod mechanism structure schematic view of the rice serving machine.

[0033] Explanation of reference signs:

[0034] 1, rack body; 11, rice serving platform; 111, rice serving channel; 12, rice serving mechanical hand; 13, control device; 14, access channel;

[0035] 2, first lifting mechanism; 21, mounting plate; 22, sliding rail; 221, sliding block; 23, driving motor assembly; 231, driving motor; 232, steering bearing; 24, driving gear; 25, driven gear; 26, transmission chain;

[0036] 3, second lifting mechanism;

[0037] 4, placing assembly; 41, lifting sliding plate; 42, placing rack; 421, limiting protrusion;

[0038] 5, moving connecting rod mechanism; 51, first guide rod; 511, rotation center; 512, driving arm; 5121, connecting arm; 52, first bearing seat; 521, connecting rod; 53, second guide rod; 54, second bearing seat; 55, hanging rod; 56, telescopic rod; 57, telescopic cylinder; 58, mounting seat; 59, electric push rod; 591, bending connecting piece;

[0039] 6, lunch cart frame; 61, main frame body; 611, chassis; 612, pulley; 613, side frame; 614, stop frame; 615, connecting rod; 616, L-shaped placing rod; 6161, vertical part; 6162, horizontal part; 6163, limiting block; 617, placing platform; 6171, first placing position; 6172, second placing position; 618, giving position notch; 619, handle;

[0040] 7, lunch plate. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the utility model more clearly and clearly, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0042] In addition, it should be noted that: the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements of the utility model must have a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0043] When an element is referred to as "fixed to" or "provided with" or "provided in" another element, it can be directly on another element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to another element or indirectly connected to the other element.

[0044] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0045] EMBODIMENT

[0046] Referring to Figures 1-6 The embodiment provides a rice serving machine, which comprises a rack body 1, a first lifting mechanism 2 and a second lifting mechanism 3 are arranged on the inner side of the rack body 1, a placing assembly 4 is arranged on the first lifting mechanism 2 and the second lifting mechanism 3, the placing assembly 4 is used for stacking and containing rice plates 7, and the first lifting mechanism 2 and the second lifting mechanism 3 drive the placing assembly 4 to move in the vertical direction.

[0047] A moving linkage mechanism 5 is arranged in the rack body 1 and located above the first lifting mechanism 2 and the second lifting mechanism 3. The moving linkage mechanism 5 comprises a clamping assembly and a push-pull assembly, the driving end of the push-pull assembly is fixedly connected with the clamping assembly, and the push-pull assembly drives the clamping assembly to move between the first lifting mechanism 2 and the second lifting mechanism 3.

[0048] A rice serving platform 11 is arranged in the middle of the rack body 1 and located above the moving linkage mechanism 5, a rice serving channel 111 is arranged on the rice serving platform 11 and located above the first lifting mechanism 2. A rice serving mechanical arm 12 and a control device 13 are fixedly arranged on the rice serving platform 11, the rice serving mechanical arm 12 is electrically connected with the control device 13, and the rice serving mechanical arm 12 is located on one side of the rice serving channel 111. In the embodiment, the driving end of the rice serving mechanical arm 12 is not shown and is a conventional clamping mechanism, which is used for clamping a certain amount of rice.

[0049] The rice plate 7 is arranged in the rice serving machine through the placing assembly 4, the clamping assembly is located above the first lifting mechanism 2 and the second lifting mechanism 3, the first lifting mechanism 2 drives the rice plate 7 to ascend, the control device 13 controls the mechanical arm to pass through the rice serving channel 111 to serve a certain amount of rice, the rice serving process is realized by mechanical operation, the labor cost is reduced, and the pollution caused by manual contact to the rice is avoided; the clamping assembly clamps the empty rice plate 7 on the first lifting mechanism 2, the push-pull assembly drives the clamping assembly to move from above the first lifting mechanism 2 to above the second lifting mechanism 3, and the empty rice plate 7 is placed on the second clamping assembly to be stored before discharging. The vertical space in the rack body 1 is used to serve rice and store empty plates, and the space utilization rate is low. Meanwhile, the rice plate 7 is located in the lower space in the rice serving machine, so that the rice plate 7 is not lifted for feeding or lowered for discharging, and the rice serving efficiency and the discharging and cleaning efficiency are improved.

[0050] Referring to Figure 2 and Figure 3As shown, further, the inside of the rack body 1 is provided with a lunch cart frame 6, the lunch cart frame 6 includes a main frame body 61, a placing platform 617 is arranged on the main frame body 61, and a plurality of lunch plates 7 are stacked and placed on the placing platform 617. The side of the rack body 1 is provided with an access passage 14, the lunch cart frame 6 passes through the access passage 14 and moves towards the first lifting mechanism 2 and the second lifting mechanism 3. The placing platform 617 is located at the same horizontal plane as the lowest position of the placing assembly 4, the placing platform 617 is provided with a gap notch 618, and the end of the placing assembly 4 passes through the gap notch 618 and enters the main frame body 61. The lunch cart frame 6 carries and transports the lunch plates 7, enters the inside of the rack body 1 through the access passage 14, moves to one side of the first lifting mechanism 2 and the second lifting mechanism 3, and the placing assembly 4 passes through the gap notch 618 and enters the main frame body 61 of the lunch cart frame 6. And the placing assembly 4 is located at the same horizontal plane as the placing platform 617 of the main frame, so that the top surface of the placing assembly 4 and the bottom surface of the lunch plate 7 are mutually attached. At this time, the first lifting mechanism 2 drives the placing assembly 4 connected thereto to rise, realizes the transfer between the lunch cart frame 6 and the placing assembly 4, has higher transfer efficiency, at the same time, utilizes the lunch cart frame 6 to transport the lunch plates 7, effectively improves the feeding and discharging efficiency of the lunch plates 7.

[0051] Please refer to Figure 5 As shown, in the embodiment, the placing platform 617 includes a first placing position 6171 and a second placing position 6172, and the first placing position 6171 and the second placing position 6172 correspond to the positions of the first lifting mechanism 2 and the second lifting mechanism 3 respectively. During the feeding of the lunch plates 7, the lunch plates 7 are stacked and placed on the first placing position 6171, at this time, the placing assembly 4 connected to the first lifting mechanism 2 is at a low position and is below the lunch plates 7, the first lifting mechanism 2 drives the placing assembly 4 connected thereto to rise, completes the transfer and feeding of the lunch plates 7, at this time, the placing assembly 4 connected to the second lifting mechanism 3 is at a high position and waits for the empty lunch plates 7 to be discharged. When the uppermost lunch plate 7 on the first lifting mechanism 2 is in an empty state, the clamping assembly clamps it, the pushing and pulling assembly drives the clamping assembly to move to one side of the second lifting assembly and discharges the empty lunch plate 7, and the pushing and pulling assembly drives the clamping assembly to reset and waits for the next discharging process. At the same time, the first lifting mechanism 2 drives the lunch plate 7 to rise by one lunch plate 7 height, and the second lifting mechanism 3 drives the empty lunch plate 7 to descend by one lunch plate 7 height, and waits for the next discharging process. Until all the lunch plates 7 are cooked and become empty lunch plates 7, the placing assembly 4 connected to the second lifting mechanism 3 is at the lowest position, the bottom surface of the lowermost empty lunch plate 7 is attached to the second placing position 6172, the lunch cart frame 6 discharges the empty lunch plates 7 as a whole, completes one cooking period, and enters the next cooking period.

[0052] In the embodiment, the limiting blocks 6163 are oppositely arranged on the placing platform 617, and the limiting blocks 6163 are in top contact with the two end surfaces of the rice plate 7. The end portion of the placing assembly 4 is provided with a limiting protrusion 421 corresponding to the position of the limiting block 6163. The limiting block 6163 and the limiting protrusion 421 both limit the position of the rice plate 7, ensure the accuracy of the position of the rice plate 7, and ensure that the rice serving mechanical arm 12 can accurately serve the rice in the rice plate 7.

[0053] Specifically, the main frame 61 includes a bottom disc 611, and the bottom surface of the bottom disc 611 is provided with a pulley 612. The pulley 612 improves the flexibility of the whole rice serving vehicle frame 6. The two sides of the bottom disc 611 are provided with upward extending side frames 613, and a connecting rod 615 is arranged between the side frames 613. The side frames 613 limit the positions of the two sides of the rice plate 7, and further improve the accuracy of the position of the rice plate 7 in the whole process. In the embodiment, the bottom disc 611 is further fixed with an upward extending shelf 614, which is located in the middle of the bottom disc 611, and partitions the first placing position 6171 and the second placing position 6172, so as to ensure the stability of the position of the rice plate 7 in the feeding and discharging process. In the embodiment, the number of the connecting rod 615 is two, and the two connecting rods 615 are respectively connected between the two side frames 613 and the shelf 614. The connecting rod 615 effectively improves the structural strength of the whole rice serving vehicle frame 6, and ensures the stability of the rice plate 7 in the movement process. In the embodiment, the side surface of the side frame 613 is further fixed with a handle 619, which is used for the staff to hold and apply a pushing force.

[0054] The bottom plate 611 is located between the other side of the side frame 613 and is provided with at least four "L"-shaped placing rods 616, the bottom end of the vertical part 6161 of the "L"-shaped placing rod 616 is fixedly connected with the bottom plate 611, the free end of the horizontal part 6162 of the "L"-shaped placing rod 616 is fixedly connected with the connecting rod 615, the four "L"-shaped placing rods 616 are arranged at intervals and correspond to the positions of the first lifting mechanism 2 and the second lifting mechanism 3 respectively, the horizontal parts 6162 of the adjacent "L"-shaped placing rods 616 form a placing platform 617, and the spacing between the "L"-shaped placing rods 616 and the spacing between the "L"-shaped placing rods 616 and the side frame 613 form a gap 618. In the embodiment, the "L"-shaped placing rod 616 is four, and the four "L"-shaped placing rods 616 are arranged in the first placing position 6171 and the second placing position 6172 in pairs, the horizontal parts 6162 of the two "L"-shaped placing rods 616 form a placing plane to ensure the stability of the plate 7, and further, limiting blocks 6163 are arranged at both ends of the horizontal part 6162 of the "L"-shaped placing rod 616. Similarly, three or more "L"-shaped placing rods 616 can be arranged in the first placing position 6171 and the second placing position 6172. The "L"-shaped placing rod 616 is arranged to support the plate 7, effectively reducing the overall weight of the food trolley frame 6 and reducing the energy loss of the driving of the food trolley frame 6. And the gap 618 is formed between the "L"-shaped placing rod 616 and the side frame 613 and the shelf 614, and the placing assembly 4 passes through the gap 618.

[0055] Please refer to Figure 4 Specifically, the first lifting mechanism 2 and the second lifting mechanism 3 each include a mounting plate 21, a slide rail 22, a driving motor assembly 23, a driving gear 24, a driven gear 25 and a transmission chain 26.

[0056] The mounting plate 21 is fixed in the rack body 1 to provide a mounting plane for other components. The slide rail 22 is fixed on one side of the mounting plate 21, and a sliding block 221 is slidably arranged on the slide rail 22; in the embodiment, the number of slide rails 22 on the mounting plate 21 is two, and the two slide rails 22 are arranged side by side on the mounting plate 21.

[0057] The driving motor assembly 23 is fixed on the upper part of the other side of the mounting plate 21, the driving end of the driving motor assembly 23 is drivingly connected with the driving gear 24 through the mounting plate 21, the driving motor assembly 23 comprises a driving motor 231 and a steering bearing 232, the driving end of the driving motor 231 is connected with the steering bearing 232, the driving end of the steering bearing 232 is drivingly connected with the driving gear 24 through the mounting plate 21, the driving motor 231 drives the driving gear 24 by driving the steering bearing 232 to rotate. The driven gear 25 is fixed on the lower part of the one side of the mounting plate 21 through the rotating shaft, the transmission chain 26 is arranged around the driving gear 24 and the driven gear 25, the driving gear 24 drives the driven gear 25 to rotate synchronously through the transmission chain 26. The back of the placing assembly 4 is fixedly connected with the sliding block 221 and the transmission chain 26 on one side of the driving gear 24. The placing assembly 4 is fixedly connected with the transmission chain 26 on one side, rises and falls with the transmission chain 26, the sliding block 221 guides the placing assembly 4 to ensure the accuracy of the movement path of the placing assembly 4.

[0058] Specifically, the placing assembly 4 comprises a lifting slide plate 41, the back of the lifting slide plate 41 is fixedly connected with the sliding block 221 and the transmission chain 26 on one side of the driving gear 24. The front of the lifting slide plate 41 is fixedly connected with a placing rack 42 on both sides, and the placing rack 42 comprises a horizontal top surface. In this embodiment, the placing rack 42 is a triangular rack body, which has good support strength and ensures the stability of the dinner plate 7 during the lifting and lowering process. Further, a limiting protrusion 421 is arranged on the free end of the top surface of the placing rack 42.

[0059] Please refer to Figure 6 Specifically, the clamping assembly comprises two oppositely arranged first guide rods 51, the two ends of the first guide rod 51 are provided with mounting seats 58, the first guide rod 51 is fixed on the inner side wall of the rack body 1 through the mounting seat 58, and the first guide rod 51 and the inner side wall of the rack body 1 are arranged in a spaced manner.

[0060] The first guide rod 51 is movably provided with two first bearing seats 52, and the four first bearing seats 52 on the two first guide rods 51 correspond to each other in pairs. The two corresponding first bearing seats 52 are fixedly connected with a second guide rod 53. The two second guide rods 53 are movably provided with second bearing seats 54, and the four second bearing seats 54 on the two second guide rods 53 correspond to each other in pairs. The two second bearing seats 54 on the same second guide rod 53 are fixedly connected with a hanging rod 55. The hanging rod 55 is located below the second guide rod 53 and is arranged in a spaced manner with the second guide rod 53. The corresponding two second bearing seats 54 are connected with a telescopic rod 56.

[0061] The middle part of the first guide rod 51 is fixed with a rotating shaft center 511 and a driving arm 512, the middle part of the driving arm 512 is movably connected with the rotating shaft center 511 through a rotating shaft. The outer sides of the two first bearing seats 52 located on the same first guide rod 51 are movably connected with connecting rods 521 through rotating shafts. The free ends of the two connecting rods 521 are movably connected with one end of the driving arm 512 through rotating shafts. The end of one driving arm 512 is provided with an outwardly extending connecting arm 5121, and a telescopic cylinder 57 is fixed on the inner side wall of the rack body 1, and the driving end of the telescopic cylinder 57 is drivingly connected with the connecting arm 5121.

[0062] The first guide rod 51 is arranged at intervals between the inner side wall of the rack body 1, so as to provide installation space for the driving arm 512, the connecting arm 5121 and the connecting rod 521. One driving arm 512 is connected with the telescopic cylinder 57 to form a driving arm, and the telescopic cylinder 57 drives the driving arm 512 to rotate along the middle part, drives the ends of the two connecting rods 521 connected thereto to move towards each other, drives the first bearing seats 52 located on the same first guide rod 51 to move towards each other, thereby driving the two second guide rods 53 to move towards each other, drives the hanging rods 55 to move towards each other, and the telescopic rod 56 guides the hanging rod 55 to ensure the accuracy of the travel path during the movement of the two hanging rods 55 towards each other. The hanging rod 55 gradually leaves a gap for the top edge of the rice plate 7 to enter; the hanging rod 55 is located below the top edge of the rice plate 7 and supports the rice plate 7 to complete the clamping action. The other driving arm 512 forms a driven arm and moves synchronously with the driving arm, drives the two connecting rods 521 to move synchronously, ensures the synchronous movement of the four first bearing seats 52, and ensures the accuracy of the clamping action. The placing action is the same, the telescopic cylinder 57 drives the driving arm to reset, the two second guide rods 53 and the hanging rods 55 move away from each other, and the telescopic rod 56 is extended to realize the placing action.

[0063] In the embodiment, the inner side wall of the rack body 1 is fixed with an outwardly extending mounting column (not shown in the drawings), and the mounting seat 58 is fixed on the mounting column. The mounting column top-contacts and supports the mounting seat 58, and the two are fixedly connected through bolts, so as to ensure that the mounting seat 58 has a gap with the inner side wall of the rack body 1.

[0064] Please refer to the accompanying Figure 6As shown, specifically, the push-pull assembly includes an electric push rod 59 located at the side of the clamping assembly. The driving end of the electric push rod 59 is fixedly connected with the side of a second bearing seat 54 through a bent connecting piece 591, and the other end of the electric push rod 59 is fixedly connected with the first bearing seat 52 on the same side through a bent connecting piece 591, so as to fix the electric push rod 59. The four second bearing seats 54, the two hanging rods 55 and the telescopic rod 56 reciprocate between the first lifting mechanism 2 and the second lifting mechanism 3. The push-pull assembly and the clamping assembly cooperate to realize the transfer of the empty dish 7. After the clamping assembly completes the clamping action, the electric push rod 59 is retracted, drives the four second bearing seats 54, the two hanging rods 55 and the telescopic rod 56 to move the empty dish 7 to the upper side of the second lifting mechanism 3; after the clamping assembly completes the placing action, the electric push rod 59 extends outward, drives the four second bearing seats 54, the two hanging rods 55 and the telescopic rod 56 to return to the upper side of the first lifting mechanism 2, and waits for the next empty dish 7 unloading.

[0065] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A rice serving machine, characterized by comprising: The rack body is provided with a first lifting mechanism and a second lifting mechanism on the inner side thereof, and the first lifting mechanism and the second lifting mechanism are both provided with a placing assembly for stacking and containing dishes, and the first lifting mechanism and the second lifting mechanism drive the placing assembly to move in the vertical direction; A moving link mechanism is arranged in the rack body and located above the first lifting mechanism and the second lifting mechanism, and the moving link mechanism comprises a clamping assembly and a push-pull assembly, the driving end of the push-pull assembly is fixedly connected with the clamping assembly, and the push-pull assembly drives the clamping assembly to move between the first lifting mechanism and the second lifting mechanism; A rice serving platform is arranged in the middle of the rack body and located above the moving link mechanism, the rice serving platform is provided with a rice serving passage, the rice serving passage is located above the first lifting mechanism, the rice serving platform is fixedly provided with a rice serving manipulator and a control device, the rice serving manipulator is electrically connected with the control device, and the rice serving manipulator is located on one side of the rice serving passage.

2. The rice serving machine according to claim 1, characterized by: The inside of the rack body is provided with a rice serving trolley, the rice serving trolley comprises a main frame, and a placing platform is arranged on the main frame, and a plurality of dishes are stacked on the placing platform; A passage is arranged on the side of the rack body, the rice serving trolley passes through the passage and moves towards the first lifting mechanism and the second lifting mechanism; The lowest position of the placing platform and the placing assembly is located on the same horizontal plane, the placing platform is provided with a gap, and the end of the placing assembly passes through the gap and enters the main frame.

3. The rice serving machine according to claim 2, characterized in that: Opposite limit blocks are arranged on the placing platform, the limit blocks abut against the two end surfaces of the dishes, and the end of the placing assembly is provided with a limit protrusion corresponding to the position of the limit block.

4. The rice serving machine according to claim 2, characterized in that: The main frame comprises a base plate, the bottom surface of the base plate is provided with a pulley, The two sides of the base plate are provided with upwardly extending side frames, a connecting rod is arranged between one side of the side frames, at least four "L"-shaped placing rods are arranged between the other side of the side frames, the vertical part of the "L"-shaped placing rod is fixedly connected with the base plate, the free end of the horizontal part of the "L"-shaped placing rod is fixedly connected with the connecting rod, the four "L"-shaped placing rods are arranged in pairs and correspond to the positions of the first lifting mechanism and the second lifting mechanism, the horizontal parts of adjacent "L"-shaped placing rods form the placing platform, and the gap between the "L"-shaped placing rods and the gap between the "L"-shaped placing rods and the side frames form the gap.

5. The rice serving machine according to claim 1, characterized in that: The first lifting mechanism and the second lifting mechanism both comprise a mounting plate, a slide rail, a driving motor assembly, a driving gear, a driven gear and a transmission chain, The mounting plate is fixed in the rack body, the slide rail is fixed on one side of the mounting plate, and a sliding block is arranged on the slide rail in a sliding manner; The driving motor assembly is fixed on the upper part of the other side of the mounting plate, the driving end of the driving motor assembly is drivingly connected with the driving gear through the mounting plate, the driven gear is fixed on the lower part of one side of the mounting plate through a rotating shaft, and the transmission chain is wound around the driving gear and the driven gear, The back of the placing assembly is fixedly connected with the transmission chain on one side of the sliding block and the driving gear.

6. The rice serving machine according to claim 5, characterized in that: The placing assembly comprises a lifting slide plate, and the back of the lifting slide plate is fixedly connected with the transmission chain on one side of the sliding block and the driving gear. The front of the lifting slide plate is fixedly provided with placing racks on both sides.

7. The rice serving machine according to claim 1, characterized by: The clamping assembly comprises two oppositely arranged first guide rods, and the first guide rods are provided with mounting seats at both ends. The first guide rods are fixed on the inner side wall of the rack body through the mounting seats, and the first guide rods and the inner side wall of the rack body are spaced apart. The first guide rods are provided with two first bearing seats movably arranged thereon, and the four first bearing seats on the two first guide rods correspond to each other in pairs.

8. The rice serving machine according to claim 7, characterized in that: The corresponding two first bearing seats are fixedly provided with a second guide rod therebetween. The second guide rods are provided with second bearing seats movably arranged thereon in pairs. The corresponding two second bearing seats are connected with an extension rod therebetween. The middle part of the first guide rod is fixedly provided with a rotating shaft center block and a driving arm. The middle part of the driving arm is movably connected with the rotating shaft through a rotating shaft. The outer sides of the two first bearing seats on the same first guide rod are movably connected with connecting rods through rotating shafts. The free ends of the two connecting rods are movably connected with one end of the driving arm through rotating shafts. The end of the driving arm is provided with an outwardly extending connecting arm. The inner side wall of the rack body is fixedly provided with an outwardly extending mounting column. The mounting seat is fixed on the mounting column.

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