A restaurant automatic tray delivery and serving device and system

Abstract

The application belongs to the technical field of restaurant automation, and particularly relates to a restaurant automatic dish sending and serving device and system. The device comprises a storage assembly and a transfer assembly. The storage assembly is used for classified storage and selection of required dishes, and realizes a dish sending process, and comprises a storage cabinet, a storage bin and a dish sending driving device. The dish sending driving device is used for targeted movement to the corresponding storage bin, and drives the storage bin to complete dish sending. The dish sending driving device comprises a positioning rack and an output device. The transfer assembly is used for transferring dishes from the storage bin to a conveying belt to realize a transfer process, and comprises a vertical guide frame, a chain wheel linkage group, a horizontal guide frame, a fourth servo motor, a dish placing plate and a second linear driving device. The application can optimize the operation mode of a large restaurant kitchen, reduce management difficulty and labor cost, improve dish serving efficiency, reduce human error rate, reduce dish serving waiting time, standardize dish serving and delivery behavior, and improve customer dining experience.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of restaurant automation, and particularly relates to a restaurant automatic dish delivery and serving device and system. BACKGROUND

[0002] In the back kitchen area of a large restaurant, different dishes need to be served in different dishes. Generally, a dish delivery position is set up to manage the delivery of dishes to the kitchen workstation, and after the dishes are served, the dish delivery position or dish delivery robot is used to deliver the dishes to the customer's table. This position occupies a large amount of human resources, and plays an important role in the high labor cost and personnel shortage problems. When the large restaurant reaches the peak of dining, the dish delivery position will be in a state of tension, which will reduce the efficiency of serving dishes and cause negative effects on the dining experience of users. The existence of the dish delivery position will also cause a series of problems such as an increase in the demand for land area, an increase in the difficulty of personnel management, and an increase in the rate of human error. SUMMARY

[0003] The purpose of the present application is to provide a restaurant automatic dish delivery and serving device and system for assisting in automatic dish delivery and completing dish serving. By receiving dish delivery information, the specified dish is taken out and delivered to the corresponding kitchen workstation, and after the dishes are served, the dish delivery position is used to complete the dish serving. The system can realize automatic dish delivery and dish serving, optimize the back kitchen position, reduce the dependence on labor in large restaurants, improve the efficiency of dish serving, and improve the dining experience of users.

[0004] To achieve the above purpose, the present application adopts the following technical solutions.

[0005] A restaurant automatic dish delivery and serving device, comprising a storage assembly 1 and a transfer assembly 2.

[0006] The storage assembly 1 is used for classified storage and selection of the required dishes, and realizes the dish delivery process, and comprises a storage cabinet 10, a storage bin 11, and a dish delivery driving device 13.

[0007] The storage bin 11 is used for classified storage and output of dishes, and a plurality of storage bins 11 are evenly arranged in a rectangular array in the storage cabinet 10.

[0008] The front side of the storage cabinet 10 is provided with a dish taking opening 10a.

[0009] The storage bin 11 comprises a storage box 11a, a spiral dish rack 11b, and a dish rack driving shaft 11c. The front side of the storage box 11a is provided with a dish delivery opening 11d, the rear side of the storage box 11a is provided with a first shaft hole, the dish rack driving shaft 11c is rotatably arranged in the first shaft hole, the spiral dish rack 11b is arranged in the storage box 11a along the front-rear direction, the spiral dish rack 11b is connected with the front end of the dish rack driving shaft 11c, and the rear end of the dish rack driving shaft 11c is provided with a one-way rotation structure 11e.

[0010] The disk ejection drive device 13 is used to move to the corresponding storage compartment 11 and drive the storage compartment 11 to complete the disk ejection; the disk ejection drive device 13 is located inside the storage cabinet 10 and behind the storage compartment 11, and includes: a positioning frame 131 and an output device 132.

[0011] The positioning frame 131 includes: an upper lead screw nut pair 1311, a lower lead screw nut pair 1312, a vertical lead screw nut pair 1313, a horizontal sliding seat 1314, a vertical guide shaft 1315, a first servo motor 1316, and a second servo motor 1317. The upper lead screw nut pair 1311 and the lower lead screw nut pair 1312 are horizontally arranged, and their two ends are connected to the upper and lower sides of the storage cabinet 10 through bearing seats. The two horizontal sliding seats 1314 are respectively installed on the nut seats in the upper lead screw nut pair 1311 and the lower lead screw nut pair 1312. The vertical lead screw nut pair 1313 and the vertical guide shaft 1315 are vertically parallel, and their upper and lower ends are respectively connected to the two horizontal sliding seats 1314 through bearings. The first servo motor 1316 drives the upper lead screw nut pair 1311 and the lower lead screw nut pair 1312, and the second servo motor 1317 drives the vertical lead screw nut pair 1313.

[0012] The output device 132 includes: a vertical sliding seat 1320, an output handle 1321, a third servo motor 1322, and a linear drive device 1323; the vertical sliding seat 1320 is disposed on the nut seat of the vertical lead screw nut pair 1313, and the vertical sliding seat 1320 is provided with an output handle mounting hole in the front-back direction, the output handle 1321 is rotatably mounted in the output handle mounting hole, and the front end of the output handle 1321 is provided with a one-way screwing structure that can be connected to the disk frame drive shaft 11c; the third servo motor 1322 is mounted on the vertical sliding seat 1320 to control the rotation of the output handle 1321, and the first linear drive device 1323 controls the front-back movement of the output handle 1321;

[0013] The transfer component 2 is used to transfer the tray from the storage bin 11 to the conveyor belt to realize the transfer process, and includes: vertical guide frame 20, sprocket and belt assembly 21, horizontal guide frame 22, fourth servo motor 23, tray 24, and second linear drive device;

[0014] Two vertical guide frames 20 are symmetrically arranged on the left and right sides of the front inside the storage cabinet 10. The two ends of the horizontal guide frame 22 are connected to the two vertical guide frames 20 through guide rail slider pairs. Two sprocket connecting groups 21 are respectively arranged on the vertical guide frames 20 to control the height of the horizontal guide frame 22. The two ends of the horizontal guide frame 22 are connected to the chain belt through clamping blocks. Two fourth servo motors 23 drive the sprocket connecting groups 21. The storage tray 24 is installed on the horizontal guide frame 22 through guide rail slider pairs. The top of the storage tray 24 is provided with a receiving groove, and a push plate is provided on the rear side of the receiving groove. The second linear drive device controls the back and forth movement of the push plate.

[0015] In a further improvement or preferred embodiment of the aforementioned automatic plate-feeding and food-dispensing device for restaurants, the first linear drive device 1323 and the second linear drive device refer to a linear cylinder or a linear servo motor.

[0016] In a further improvement or preferred embodiment of the aforementioned automatic dish delivery device for restaurants, the bottom of the dish 24 is slidably connected to the guide rail on the upper side of the horizontal guide frame 22 via two sliders on the left and right sides.

[0017] In a further improvement or preferred embodiment of the aforementioned automatic dish delivery device for restaurants, the dish retrieval opening 10a is located in the middle of the inner side of the storage cabinet 10, and a dish loading operation window 10b is provided on both sides of the dish retrieval opening 10a.

[0018] Further improvements or preferred embodiments of the aforementioned automatic dish delivery device for restaurants also include a transport component 3, which transports the dishes to the chef's workstation and delivers them to the food delivery robot after the food is placed in the dish, thus achieving automatic food delivery; the transport component 3 includes a conveyor belt 30 and a scissor lift; the rear end of the conveyor belt 30 extends from the dish retrieval port 10a into the storage cabinet 10 and can be aligned with the storage tray 24, and the scissor lift is located at the front end of the conveyor belt 30.

[0019] This application also provides a food dispensing system including the aforementioned automatic plate-feeding device for restaurants, further comprising: a controller, an RFID tag, an RFID reader, a pressure sensor, and an infrared sensor;

[0020] RFID tags are placed on the plates to mark the plate type information; pressure sensors are placed at the rear end of conveyor belt 30 and at the loading position; PIR infrared sensors are placed at the loading position of conveyor belt 30.

[0021] The controller establishes a coordinate system based on the relative positions of each storage compartment 11 and the tray 24; and establishes a mapping table based on the storage compartment 11ID and the type of tray inside the compartment.

[0022] After the system starts, the controller continuously obtains the food dispensing instructions from the ordering system, extracts the food tray type information corresponding to the food dispensing instructions, confirms the corresponding storage compartment 11ID table through the mapping table, and selects the ID of the storage compartment 11 that is closest to the current tray.

[0023] The controller controls the operation of each servo motor according to the coordinates of the determined storage compartment 11 and the current coordinates of the tray, so that the tray moves to the front of the outlet of the corresponding storage compartment 11, and at the same time drives the output handle in the output device 132 to move to the rear of the corresponding storage compartment 11. The output handle drives the tray frame drive shaft 11c to rotate, so that the plate falls out into the tray.

[0024] The pressure sensor acquires the pressure signal at the rear end of the conveyor belt 30. When it detects that the plate is pushed from the tray to the rear end of the conveyor belt, causing the pressure at the rear end of the conveyor belt to increase, the controller controls the conveyor belt to run. The PIR infrared sensor at the food loading position detects the arrival of the plate and sends a signal or starts the food loading program. The pressure sensor at the food loading position monitors the pressure after food loading to prevent excessive overflow.

[0025] In a further improvement or preferred embodiment of the aforementioned restaurant automatic plate-feeding system, the controller is also used for:

[0026] The servo motor on the conveyor belt is controlled to slow down when the tray is delivered to the serving position, so that the tray stops smoothly next to the serving position, and the conveyor belt is switched to interrupt mode; after the chef puts the food in, he presses the resume button, and the resume command will be transmitted to the transportation control center.

[0027] Once the pressure sensor detects that the meal has been served, the conveyor belt servo motor is started to slowly accelerate and the conveyor belt is restored to working mode. When the tray is about to be transported to the end of the conveyor belt, it stops slowly so that the tray comes to a smooth stop on the scissor lift platform to prevent the food from spilling.

[0028] Its beneficial effects are as follows:

[0029] The restaurant automatic plate delivery device and system of this application can realize automated plate delivery and food serving, replacing the position of plate delivery personnel, reducing labor occupation and costs; it can optimize the operation mode of the kitchen of large restaurants, reduce management difficulty and labor costs, improve food serving efficiency, reduce human error rate, reduce food serving waiting time, standardize food serving behavior, and enhance the customer dining experience. Attached Figure Description

[0030] Fig. 1 This is the front view of the restaurant's automatic tray-feeding and food-dispensing device;

[0031] Fig. 2 This is a front view of the storage and transfer component of the restaurant's automatic tray delivery and serving system;

[0032] Fig. 3 This is a rear view of the storage and transfer components of the restaurant's automatic tray delivery and serving system;

[0033] The reference numerals in the attached figures include:

[0034] Storage component 1, storage cabinet 10, tray retrieval port 10a, upper tray operation window 10b, storage compartment 11, storage box 11a, spiral tray frame 11b, tray frame drive shaft 11c, tray outlet 11d, one-way screw engagement structure 11e, tray outlet drive device 13, positioning frame 131, upper lead screw nut pair 1311, lower lead screw nut pair 1312, vertical lead screw nut pair 1313, horizontal sliding seat 1314, vertical guide shaft 1315, first servo motor 1316, second servo motor 1317, output device 132, vertical sliding seat 1320, output handle 1321, third servo motor 1322, first linear drive device 1323, transfer component 2, vertical guide frame 20, sprocket connecting group 21, horizontal guide frame 22, fourth servo motor 23, storage tray 24, transport component 3, conveyor belt 30, scissor lift platform 31. Detailed Implementation

[0035] The present invention will be described in detail below with reference to specific embodiments.

[0036] Reference Figs. 1 to 3 As shown, a system with plate delivery and serving functions includes a storage component 1, a transfer component 2, and a transport component 3. The storage component 1 is used to classify and store plates, and select the required plate when needed to realize the plate delivery process; the transfer component 2 is used to transfer plates from the storage compartment 11 to the transport component 3 to realize the transfer process; the transport component 3 is used to transport plates to the chef's workstation to realize the plate delivery and serving process.

[0037] An automatic dish delivery device for restaurants includes a storage component 1 and a transfer component 2;

[0038] Storage component 1 is used for classifying, storing and selecting the required plates to realize the plate dispensing process, including storage cabinet 10, storage compartment 11, and plate dispensing drive device 13;

[0039] Storage compartment 11 is used for categorized storage and output of plates. Multiple storage compartments 11 are evenly arranged in a rectangular array within the storage cabinet 10. The plates will be arranged in an orderly manner within the storage compartments 11, which can maximize the storage capacity and density of plates under the given limited space constraints.

[0040] The storage cabinet 10 has a tray retrieval port 10a on the front side; the tray retrieval port 10a is located in the middle of the inner side of the storage cabinet 10, and there are upper tray operation windows 10b on both sides of the tray retrieval port 10a.

[0041] The storage compartment 11 includes: a storage box 11a, a spiral tray frame 11b, and a tray frame drive shaft 11c. The storage box 11a has a tray outlet 11d on its front side and a first shaft hole on its rear side. The tray frame drive shaft 11c is rotatably disposed in the first shaft hole. The spiral tray frame 11b is disposed in the storage box 11a along the front-rear direction. The spiral tray frame 11b is connected to the front end of the tray frame drive shaft 11c. The rear end of the tray frame drive shaft 11c has a one-way engagement structure 11e. The one-way engagement structure is composed of a ratchet-like structure, allowing the two shafts to engage in one direction and disengage in the opposite direction. During the tray dispensing process, the tray frame drive shaft 11c engages with the output handle. When receiving the rotational torque provided by the output handle, this engagement target effectively drives the tray frame drive shaft 11c and the spiral tray frame 11b to rotate, thereby causing the tray to move along the path of the spiral tray frame 11b to the end.

[0042] The disk ejection drive device 13 is used to move to the corresponding storage compartment 11 and drive the storage compartment 11 to complete the disk ejection; the disk ejection drive device 13 is located inside the storage cabinet 10 and behind the storage compartment 11, and includes: a positioning frame 131 and an output device 132.

[0043] The positioning frame 131 includes: an upper lead screw nut pair 1311, a lower lead screw nut pair 1312, a vertical lead screw nut pair 1313, a horizontal sliding seat 1314, a vertical guide shaft 1315, a first servo motor 1316, and a second servo motor 1317. The upper lead screw nut pair 1311 and the lower lead screw nut pair 1312 are horizontally arranged, and their two ends are connected to the upper and lower sides of the storage cabinet 10 through bearing seats. The two horizontal sliding seats 1314 are respectively installed on the nut seats in the upper lead screw nut pair 1311 and the lower lead screw nut pair 1312. The vertical lead screw nut pair 1313 and the vertical guide shaft 1315 are vertically parallel, and their upper and lower ends are respectively connected to the two horizontal sliding seats 1314 through bearings. The first servo motor 1316 drives the upper lead screw nut pair 1311 and the lower lead screw nut pair 1312, and the second servo motor 1317 drives the vertical lead screw nut pair 1313.

[0044] The output device 132 includes: a vertical sliding seat 1320, an output handle 1321, a third servo motor 1322, and a linear drive device 1323; the vertical sliding seat 1320 is disposed on the nut seat of the vertical lead screw nut pair 1313, and the vertical sliding seat 1320 is provided with an output handle mounting hole in the front-back direction, the output handle 1321 is rotatably mounted in the output handle mounting hole, and the front end of the output handle 1321 is provided with a one-way screwing structure that can be connected to the disk frame drive shaft 11c; the third servo motor 1322 is mounted on the vertical sliding seat 1320 for controlling the rotation of the output handle, and the first linear drive device 1323 controls the front-back movement of the output handle 1321;

[0045] The transfer component 2 is used to transfer the plates from the storage bin 11 to the conveyor belt to realize the transfer process. It includes: a vertical guide frame 20, a sprocket and belt assembly 21, a horizontal guide frame 22, a fourth servo motor 23, a tray 24, and a second linear drive device.

[0046] Two vertical guide frames 20 are symmetrically arranged on the left and right sides of the front side inside the storage cabinet 10. The two ends of the horizontal guide frame 22 are connected to the two vertical guide frames 20 through guide rail slider pairs. Two sprocket connecting groups 21 are respectively arranged on the vertical guide frames 20 to control the height of the horizontal guide frame 22. The two ends of the horizontal guide frame 22 are connected to the chain belt through clamping blocks. Two fourth servo motors 23 drive the sprocket connecting groups 21. The storage tray 24 is installed on the horizontal guide frame 22 through the guide rail slider pair. The top of the storage tray 24 is provided with a receiving groove, and a push plate is provided on the rear side of the receiving groove. The bottom of the storage tray 24 is slidably connected to the guide rail on the upper side of the horizontal guide frame 22 through two sliders on the left and right sides.

[0047] The second linear drive device controls the push plate to move back and forth. The first linear drive device 1323 and the second linear drive device refer to a linear cylinder or a linear servo motor.

[0048] It also includes a transport component 3, which transports the food tray to the chef's workstation. After the food is placed in the tray, it is handed over to the food delivery robot to achieve automatic food dispensing. The transport component 3 includes a conveyor belt 30 and a scissor lift. The rear end of the conveyor belt 30 extends from the tray retrieval port 10a into the storage cabinet 10 and can be aligned with the storage tray 24. The scissor lift is located at the front end of the conveyor belt 30.

[0049] This application also provides a food dispensing system including the aforementioned automatic plate-feeding device for restaurants, further comprising: a controller, an RFID tag, an RFID reader / writer, a pressure sensor, and an infrared sensor;

[0050] RFID tags are placed on the plates to mark the plate type information; pressure sensors are placed at the rear end of conveyor belt 30 and at the loading position; PIR infrared sensors are placed at the loading position of conveyor belt 30.

[0051] The controller establishes a coordinate system based on the relative positions of each storage compartment 11 and the tray 24; and establishes a mapping table based on the storage compartment 11ID and the type of tray inside the compartment.

[0052] After the supporting ordering system is started, users place orders through various devices. The controller continuously obtains the food dispensing instructions from the ordering system, extracts the food tray type information corresponding to the food dispensing instructions, confirms the corresponding storage compartment 11ID table through the mapping table, and selects the ID of the storage compartment 11 that is closest to the current tray.

[0053] The controller controls the operation of each servo motor according to the coordinates of the determined storage compartment 11 and the current coordinates of the tray, so that the tray moves to the front of the outlet of the corresponding storage compartment 11, and at the same time drives the output handle in the output device 132 to move to the rear of the corresponding storage compartment 11. The output handle drives the tray frame drive shaft 11c to rotate, so that the plate falls out into the tray.

[0054] The pressure sensor acquires the pressure signal at the rear end of the conveyor belt 30. When it detects that the plate is pushed from the tray to the rear end of the conveyor belt, causing the pressure at the rear end of the conveyor belt to increase, the controller controls the operation of the conveyor belt. The PIR infrared sensor at the food loading position detects the arrival of the plate and sends a signal or starts the food loading program. The pressure sensor at the food loading position monitors the pressure after food loading to prevent excessive overflow.

[0055] The controller is also used for:

[0056] The servo motor on the conveyor belt is controlled to slow down when the tray is delivered to the serving position, so that the tray stops smoothly next to the serving position, and the conveyor belt is switched to interrupt mode; after the chef puts the food in, he presses the resume button, and the resume command will be transmitted to the transportation control center.

[0057] Once the pressure sensor detects that the meal has been served, the conveyor belt servo motor is started to slowly accelerate and the conveyor belt is restored to working mode. When the tray is about to be transported to the end of the conveyor belt, it stops slowly so that the tray comes to a smooth stop on the scissor lift platform to prevent the food from spilling.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A restaurant automatic plate-feeding and serving system, comprising an automatic plate-feeding and serving device, characterized in that, The restaurant automatic plate feeding device includes a storage component (1) and a transfer component (2). The storage component (1) is used to classify, store and select the required plates to realize the plate dispensing process, including storage cabinet (10), storage compartment (11), and plate dispensing drive device (13). Storage compartments (11) are used for categorized storage and output of plates. Multiple storage compartments (11) are arranged in a rectangular array evenly inside the storage cabinet (10). The storage cabinet (10) has a tray retrieval port (10a) on the front side; The storage compartment (11) includes: a storage box (11a), a spiral disc frame (11b), and a disc frame drive shaft (11c); the storage box (11a) has a disc outlet (11d) on its front side and a first shaft hole on its rear side. The disc frame drive shaft (11c) is rotatably disposed in the first shaft hole. The spiral disc frame (11b) is disposed in the storage box (11a) along the front-rear direction. The spiral disc frame (11b) is connected to the front end of the disc frame drive shaft (11c). The rear end of the disc frame drive shaft (11c) is provided with a one-way screw engagement structure (11e). The disk ejection drive device (13) is used to target and move to the corresponding storage bin (11) to drive the storage bin (11) to complete the disk ejection; the disk ejection drive device (13) is located inside the storage cabinet (10) and behind the storage bin (11), and includes: a positioning frame (131) and an output device (132). The positioning frame (131) includes: an upper lead screw nut pair (1311), a lower lead screw nut pair (1312), a vertical lead screw nut pair (1313), a horizontal sliding seat (1314), a vertical guide shaft (1315), a first servo motor (1316), and a second servo motor (1317); the upper lead screw nut pair (1311) and the lower lead screw nut pair (1312) are horizontally arranged, and their two ends are connected to the upper and lower sides of the storage cabinet (10) through bearing seats; the two horizontal sliding seats (1314) 4) Installed on the nut seats in the upper lead screw nut pair (1311) and the lower lead screw nut pair (1312) respectively; the vertical lead screw nut pair (1313) and the vertical guide shaft (1315) are arranged vertically parallel, and their upper and lower ends are respectively connected to two horizontal sliding seats (1314) through bearings; the first servo motor (1316) drives the upper lead screw nut pair (1311) and the lower lead screw nut pair (1312), and the second servo motor (1317) drives the vertical lead screw nut pair (1313); The output device (132) includes: a vertical sliding seat (1320), an output handle (1321), a third servo motor (1322), and a first linear drive device (1323); the vertical sliding seat (1320) is mounted on the nut seat of the vertical lead screw nut pair (1313), and the vertical sliding seat (1320) is provided with an output handle mounting hole in the front-back direction, the output handle (1321) is rotatably mounted in the output handle mounting hole, and the front end of the output handle (1321) is provided with a one-way screwing structure that can be connected to the disk frame drive shaft (11c); the third servo motor (1322) is mounted on the vertical sliding seat (1320) to control the rotation of the output handle, and the first linear drive device (1323) controls the front-back movement of the output handle (1321); The transfer component (2) is used to transfer the tray from the storage compartment to the conveyor belt to realize the transfer process, including: vertical guide frame (20), sprocket linkage group (21), horizontal guide frame (22), fourth servo motor (23), tray (24), and second linear drive device; Two vertical guide frames (20) are symmetrically arranged on the front left and right sides inside the storage cabinet (10). The two ends of the horizontal guide frame (22) are connected to the two vertical guide frames (20) through guide rail slider pairs. Two sprocket connecting groups (21) are respectively arranged on the vertical guide frames (20) to control the height of the horizontal guide frame (22). The two ends of the horizontal guide frame (22) are connected to the chain belt through clamps. Two fourth servo motors (23) drive the sprocket connecting groups (21). The storage tray (24) is installed on the horizontal guide frame (22) through guide rail slider pairs. The top of the storage tray (24) is provided with a receiving groove, and a push plate is provided on the rear side of the receiving groove. The second linear drive device controls the push plate to move back and forth. It also includes a transport component (3), which transports the food tray to the chef's workstation and delivers it to the food delivery robot after the food is placed in it, thus realizing automatic food delivery; the transport component (3) includes a conveyor belt (30) and a scissor lift; the rear end of the conveyor belt (30) extends from the plate retrieval port (10a) into the storage cabinet (10) and can be aligned with the storage tray (24), and the scissor lift is located at the front end of the conveyor belt (30); It also includes: controllers, RFID tags, RFID readers, pressure sensors, and PIR infrared sensors; RFID tags are placed on the plates to mark the plate type information; pressure sensors are placed at the rear end of the conveyor belt (30) and at the loading position; PIR infrared sensors are placed at the loading position of the conveyor belt (30). The controller establishes a coordinate system based on the relative positional relationship between each storage compartment (11) and the tray (24); and establishes a mapping table based on the storage compartment ID and the type of tray in the compartment. After the system starts up, the controller continuously obtains the food dispensing instructions from the ordering system, extracts the plate type information corresponding to the food dispensing instructions, confirms the corresponding storage compartment ID table through the mapping table, and selects the ID of the storage compartment that is closest to the current tray. The controller controls the operation of each servo motor according to the coordinates of the determined storage compartment and the current placement tray, so that the placement tray moves to the front of the outlet of the corresponding storage compartment, and at the same time drives the output handle in the output device (132) to move to the rear of the corresponding storage compartment. The output handle drives the tray frame drive shaft (11c) to rotate, so that the plate falls out into the placement tray. The pressure sensor acquires the pressure signal at the rear end of the conveyor belt (30). When it is detected that the plate is pushed from the tray to the rear end of the conveyor belt, causing the pressure at the rear end of the conveyor belt to increase, the controller controls the conveyor belt to run. The PIR infrared sensor at the loading position detects the arrival of the plate and sends a signal to start the loading program. The pressure sensor at the loading position monitors the pressure after loading to prevent excessive overflow.

2. The restaurant automatic plate-feeding system according to claim 1, characterized in that, The first linear drive device (1323) and the second linear drive device are linear cylinders or linear servo motors.

3. The restaurant automatic plate-feeding system according to claim 1, characterized in that, The bottom of the tray (24) is connected to the guide rail on the upper side of the horizontal guide frame (22) by two sliders on the left and right sides.

4. The restaurant automatic plate-feeding system according to claim 1, characterized in that, The tray retrieval port (10a) is located in the middle of the inner side of the storage cabinet (10), and the tray retrieval port (10a) is also provided with an upper tray operation window (10b) on both sides.

5. The restaurant automatic plate-feeding system according to claim 1, characterized in that, The controller is also used for: The servo motor on the conveyor belt is controlled to slow down when the tray is delivered to the serving position, so that the tray stops smoothly next to the serving position, and the conveyor belt is switched to interrupt mode; after the chef puts the food in, he presses the resume button, and the resume command will be transmitted to the transportation control center. Once the pressure sensor detects that the meal has been served, the conveyor belt servo motor is started to slowly accelerate and the conveyor belt is restored to working mode. When the tray is about to be transported to the end of the conveyor belt, it stops slowly so that the tray comes to a smooth stop on the scissor lift platform to prevent the food from spilling.

Images