Automatic steamed bun taking and placing device

Abstract

The present invention provides a steamed bun automatic placement device, which relates to the field of food automation technology. The device includes a connected placement area and a placement area, the placement area includes a tray taking area and a tray returning area, the tray taking area includes a tray taker, a mobile tray, a first tray mover and a picker, the tray taker transfers the steaming tray in the steaming car to the mobile tray, and the picker sequentially grabs a row of steamed buns on the steaming tray and transfers them to the placement area; the first tray mover is used to move the mobile tray and the empty steaming tray after grabbing the steamed buns to the tray returning area; the tray returning area includes a second tray mover and a tray returner, the tray returner is used to transfer the empty steaming tray on the mobile tray to the steaming car, and the second tray mover is used to move the empty mobile tray back to the tray taking area. The placement area includes a differential belt assembly, and the differential belt assembly arranges each row of steamed buns grabbed by the picker in groups in sequence. Thus, the process of automatically taking the steamed buns from the steaming car, placing them, and grouping, conveying and packaging them is realized, which reduces labor, labor intensity and labor costs.

Description

Technical Field

[0001] The invention relates to the technical field of food automation mechanical equipment, and in particular to an automatic steamed bun taking and placing device. Background Art

[0002] Steamed bread is one of the traditional staple foods in China and plays an important role in people's lives. The processing flow of steamed bread in food factories generally includes making dough with a dough mixer, forming raw dough with a forming machine, rising in a proofing room or proofing box, steaming in a steaming room, cooling in a cooling room, and packaging by a packaging machine, and finally making the steamed bread required by consumers.

[0003] The steamed buns generally need to be placed neatly as required before they can be automatically packaged using a packaging machine. However, due to the limitations of the steamed bun processing technology, the process of placing the steamed buns on a conveyor belt according to certain requirements is currently mostly done manually. The work is monotonous and labor-intensive, consuming a large amount of manpower and does not meet the requirements of automated production. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic steamed bun placement device to solve the technical problem that the placement of steamed buns in the prior art needs to be done manually and cannot meet the requirements of automated production. The preferred technical solutions among the many technical solutions provided by the present invention can produce many technical effects as described below.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The present invention provides an automatic steamed bun taking and placing device, comprising a box body, wherein a back plate capable of dividing the box body into a taking and placing area and a placing area at the front and rear sides is provided in the box body, and the top of the back plate allows the taking and placing area and the placing area to be connected, the taking and placing area is arranged at the front side of the back plate, and the placing area is arranged at the rear side of the back plate;

[0007] The taking and placing area includes a tray taking area and a tray returning area which are arranged side by side vertically, wherein the tray taking area includes a tray taker, a movable tray, a first tray mover and an object taker, wherein the tray taker is arranged on a back plate at the rear side of the movable tray, and is used to move each layer of steaming tray in the steaming cart to the movable tray at a corresponding height, and the object taker is arranged above the movable tray, so as to sequentially and laterally grab a row of steamed buns on the steaming tray through the object taker and transfer them to the placing area; the first tray mover is arranged on a side wall of the box body located on one side of the movable tray, and is used to move the movable tray and the empty steaming tray after grabbing the steamed buns to the tray returning area;

[0008] The tray return area includes a second tray mover and a tray returner, wherein the tray returner is arranged on the back plate and is used to transfer the empty steam tray on the movable tray to the steaming vehicle, and the second tray mover is arranged on the other side wall of the box body opposite to the first tray mover and is used to move the movable tray back to the tray taking area;

[0009] The placement area includes a differential belt assembly, which can place each row of steamed buns grabbed by the picker and arrange them in groups in sequence before outputting them.

[0010] According to a preferred embodiment, the differential belt assembly includes a first differential belt assembly, a second differential belt assembly, a guide assembly and an output conveyor belt assembly, wherein the first differential belt assembly is arranged above and in front of the second differential belt assembly and at the rear side of the tray-taking area, and the guide assembly is connected to the second differential belt assembly to enable the steamed buns on the second differential belt assembly to move at a differential speed and be arranged in groups on the output conveyor belt of the output conveyor belt assembly, and the output conveyor belt assembly is arranged at the end of the second differential belt assembly.

[0011] The first differential belt assembly includes a first conveyor belt moving toward the second differential belt assembly, and the object picker can place the grabbed steamed buns on the first conveyor belt along the moving direction of the first conveyor belt;

[0012] The first differential belt assembly includes a first transmission motor fixed on the back plate, a driving shaft of the first transmission motor is connected to a first belt roller, a second belt roller is provided on the back plate and at the same height as the first belt roller, and the first transmission belt is sleeved on the first belt roller and the second belt roller.

[0013] According to a preferred embodiment, the second differential belt assembly includes a third belt roller and a fourth belt roller located directly below the second belt roller, the third belt roller and the fourth belt roller are arranged at an interval up and down, wherein the fourth belt roller is connected to the driving shaft of the second transmission motor, a first sliding track is provided on the back plate and at the same height as the third belt roller, one end of the fifth belt roller is slidably arranged in the first sliding track, and the other end is extended outwardly; a second sliding track is provided on the back plate and at the same height as the fourth belt roller, and the second sliding track is arranged in a manner closer to the first differential belt assembly relative to the first sliding track, one end of the sixth belt roller is slidably arranged in the second sliding track, and the other end is extended outwardly;

[0014] A seventh belt roller is provided in the area formed by the third belt roller, the fourth belt roller, the fifth belt roller and the sixth belt roller, and the roller body diameter of the seventh belt roller is larger than the roller body diameters of the third belt roller, the fourth belt roller, the fifth belt roller and the sixth belt roller, and the second transmission belt of the second differential belt assembly is sequentially sleeved on the third belt roller, the fifth belt roller, the seventh belt roller, the sixth belt roller and the fourth belt roller.

[0015] According to a preferred embodiment, the guide assembly is arranged between the fifth belt roller and the sixth belt roller, and the guide assembly includes guide rods located on the inner and outer sides of the fifth belt roller and the sixth belt roller, the middle parts of the two guide rods are connected by a connecting rod, and guide grooves are respectively arranged on the upper part of the guide rod close to the fifth belt roller and the lower part close to the sixth belt roller, wherein the end of the fifth belt roller away from the first sliding track is inserted into the guide groove located at the upper part, and the second conveying belt is located between the two guide rods, and the end of the sixth belt roller away from the second sliding track is inserted into the guide groove located at the lower part, and the second conveying belt is located between the two guide rods, and a driving cylinder is connected to the sixth belt roller, the fixed end of the driving cylinder is fixed to the back plate, and the movable end of the driving cylinder is drivingly connected to the sixth belt roller to drive the sixth belt roller to slide along the second sliding track.

[0016] According to a preferred embodiment, the output conveyor belt assembly is provided directly below the fifth belt roller, and the conveying direction of the output conveyor belt assembly is perpendicular to the conveying direction of the first conveyor belt or the second conveyor belt, and an outlet corresponding to the output conveyor belt of the output conveyor belt assembly is provided on the rear panel of the box.

[0017] According to a preferred embodiment, the tray taking area further includes a first lifting device, which is used to carry the plurality of movable trays and drive the plurality of movable trays to move from bottom to top; the first lifting device includes a first chain structure, a second chain structure, a third chain structure and a fourth chain structure arranged at four corners of the movable tray, wherein the first chain structure and the second chain structure are located on the left side of the tray taking area and can move synchronously, and the third chain structure and the fourth chain structure are located on the right side of the tray taking area and can move synchronously;

[0018] The return disk area also includes a second lifting device, which is used to carry the multiple movable disks and drive the multiple movable disks to move from top to bottom; the second lifting device includes a fifth chain structure, a sixth chain structure, and a third chain structure and a fourth chain structure shared with the first lifting device, wherein the third chain structure and the fourth chain structure are located on the left side of the return disk area and can move synchronously, and the fifth chain structure and the sixth chain structure are located on the right side of the return disk area and can move synchronously.

[0019] According to a preferred embodiment, a lifting device driving motor is provided at the bottom of the rear side of the back plate, and the driving shaft of the lifting device driving motor is drivingly connected to the rear driving gear, and the driving shaft of the lifting device driving motor passes through the back plate and extends to the front side, and sequentially drives and connects the first front driving sprocket and the second front driving sprocket at the front side of the back plate, the first front driving sprocket is arranged closer to the back plate relative to the second front driving sprocket, a first front driven sprocket is provided directly above the first front driving sprocket, a second front driven sprocket is provided directly above the second front driving sprocket, the first front driven sprocket and the second front driven sprocket are connected by a rotating shaft, the third chain structure meshes and connects the first front driving sprocket and the first front driven sprocket, and the fourth chain structure meshes and connects the second front driving sprocket and the second front driven sprocket;

[0020] The first rear driven gear and the second rear driven gear are meshed and connected on the left and right sides of the rear driving gear respectively, the first rear driven gear is coaxially connected to the third rear driven sprocket, the third rear driven sprocket is transmission-connected to the fourth rear driven sprocket through a driving chain, and the driving shaft of the fourth rear driven sprocket passes through the back plate and extends forward, and is sequentially driven and connected to the third front driven sprocket and the fourth front driven sprocket on the front side of the back plate, and the third front driven sprocket is arranged closer to the back plate relative to the fourth front driven sprocket, a fifth front driven sprocket is provided directly above the third front driven sprocket, a sixth front driven sprocket is provided directly above the fourth front driven sprocket, and the fifth front driven sprocket and the sixth front driven sprocket are connected by a rotating shaft, the first chain structure is meshed and connected to the third front driven sprocket and the fifth front driven sprocket, and the second chain structure is meshed and connected to the fourth front driven sprocket and the sixth front driven sprocket.

[0021] According to a preferred embodiment, the second rear driven gear is coaxially connected with a fifth rear driven sprocket, the fifth rear driven sprocket is transmission connected to the sixth rear driven sprocket through a driving chain, and the driving shaft of the sixth rear driven sprocket passes through the back plate and extends forward, and is sequentially driven and connected to the seventh front driven sprocket and the eighth front driven sprocket on the front side of the back plate, and the seventh front driven sprocket is arranged closer to the back plate relative to the eighth front driven sprocket, a ninth front driven sprocket is provided directly above the seventh front driven sprocket, and a tenth front driven sprocket is provided directly above the eighth front driven sprocket, the eighth front driven sprocket and the tenth front driven sprocket are connected by a rotating shaft, and the fifth chain structure is meshed and connected to the seventh front driven sprocket and the ninth front driven sprocket, and the sixth chain structure is meshed and connected to the eighth front driven sprocket and the tenth front driven sprocket.

[0022] According to a preferred embodiment, support blocks are arranged at intervals on the outer sides of the first chain structure, the second chain structure, the third chain structure, the fourth chain structure, the fifth chain structure and the sixth chain structure, and brackets matching the support blocks are formed at the four corners of the movable plate, so that the movable plate is arranged on the first lifting device and the second lifting device through the cooperation of the brackets and the support blocks;

[0023] The left and right sides of the movable plate are provided with slide grooves, and the slide grooves are groove structures that are concave in the left and right side walls of the movable plate and are arranged opposite to each other;

[0024] A tray taker slide rail and a tray return slide rail are respectively provided on the front side of the back plate and the rear side of the movable trays located in the tray taking area and the tray return area, the tray taker is slidably arranged on the tray taker slide rail, and the tray returner is slidably arranged on the tray return slide rail;

[0025] A picker track is provided on the top plate of the box body in the tray taking area along the front-to-back direction, the picker is slidably arranged on the picker track, and a clamping claw is provided at the end of the picker, and the clamping claw is arranged horizontally.

[0026] According to a preferred embodiment, the disk taker and the disk returner both include a first fixed portion, a first movable portion, and a first scissor-type structure connecting the first fixed portion and the first movable portion, a first telescopic driving cylinder is provided on the first fixed portion to drive the first scissor-type structure to drive the movable portion to move forward or retract, and an electromagnetic gripper is provided at the front end of the first movable portion;

[0027] The first plate mover and the second plate mover both include a second fixed part, a second movable part and a second scissors structure connected between the second fixed part and the second movable part, a second telescopic driving cylinder is provided on the second fixed part, and a tray structure is provided at the front bottom of the second movable part.

[0028] Based on the above technical solution, the automatic steamed bun placing device of the present invention has at least the following technical effects:

[0029] The steamed bun automatic taking and placing device of the present invention is provided with a back plate in the box body that can separate the box body into a taking and placing area and a placing area, and the taking and placing area is connected with the placing area, and the taking and placing area includes a plate taking area and a plate returning area that are arranged vertically side by side, wherein the plate taking area includes a plate taking device, a movable plate, a first plate moving device and a taker, so that the steaming plate in the steaming car is transferred to the movable plate by the plate taking device, and a row of steamed buns on the steaming plate is grasped horizontally by the taker in turn and transferred to the placing area; the first plate moving device is arranged on the box body at one side of the movable plate On the side wall of the box, it is used to move the mobile plate and the empty steaming plate after grabbing the steamed buns to the return plate area; the return plate area and the take-up plate area are arranged side by side, and the return plate area includes a second plate mover and a return plate device, wherein the return plate device is used to transfer the empty steaming plate on the mobile plate to the steaming cart, and the second plate mover is arranged on the other side wall of the box body opposite to the first plate mover, and is used to move the empty mobile plate to the take-up plate area; then the steaming plate on the steaming cart is automatically grabbed through the take-up plate area, and after the steamed buns on the steaming plate are grabbed, the empty steaming plate is returned to the steaming cart through the return plate area. The placement area includes a differential belt assembly, and the differential belt assembly can group and arrange each row of steamed buns grabbed by the object grabber in sequence and then output them. Thereby, the process of automatically taking the steamed buns from the steaming cart from the steaming cart, placing them, and grouping and transporting and packaging them can be realized, which reduces labor, reduces labor intensity and labor costs, and improves the automation level of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a schematic structural diagram of the automatic steamed bun taking and placing device of the present invention from a front view;

[0032] Figure 2 It is a structural schematic diagram of the internal picking and placing area of ​​the steamed bun automatic picking and placing device of the present invention;

[0033] Figure 3 It is a structural schematic diagram of the internal placement area of ​​the steamed bun automatic taking and placing device of the present invention;

[0034] Figure 4 It is a structural schematic diagram of a differential belt assembly in the automatic steamed bun taking and placing device of the present invention;

[0035] Figure 5It is a schematic structural diagram of the automatic steamed bun taking and placing device of the present invention from a side view;

[0036] Figure 6 It is a structural schematic diagram of the lifting device in the automatic steamed bun taking and placing device of the present invention;

[0037] Figure 7 It is a structural schematic diagram of the lifting device in the automatic steamed bun taking and placing device of the present invention from another perspective;

[0038] Figure 8 It is a structural schematic diagram of a movable plate in the automatic steamed bun taking and placing device of the present invention;

[0039] Fig. 9 It is a structural schematic diagram of the internal placement area of ​​the automatic steamed bun taking and placing device of the present invention from another perspective.

[0040] In the figure: 1-pick-up and drop-out area; 2-display area; 3-back plate; 4-box; 11-disk-pick-up area; 12-disk-returning area; 15-lifting device driving motor; 16-rear driving gear; 17-first front driving sprocket; 17'-first front driven sprocket; 18-second front driving sprocket; 18'-second front driven sprocket; 19-first rear driven gear; 20-second rear driven gear; 21-first differential belt assembly; 22-second differential belt assembly; 23-guide assembly; 24-output transmission belt assembly; 30-third rear driven sprocket; 31-fourth rear driven sprocket; 32-third front driven sprocket; 33-fourth front driven sprocket; 34-first 5th front driven sprocket; 35-6th front driven sprocket; 36-5th rear driven sprocket; 37-6th rear driven sprocket; 38-7th front driven sprocket; 38'-9th front driven sprocket; 39-8th front driven sprocket; 39'-10th front driven sprocket; 41-exit; 110-disc taker; 111-moving disk; 112-first disk mover; 113-object taker; 121-disc returner; 122-second disk mover; 211-first transmission belt; 212-first transmission motor; 213-first belt roller; 214-second belt roller; 215-first sensor; 220-second sensor; 221-second transmission belt; 222- The second transmission motor; 223-the third belt roller; 224-the fourth belt roller; 225-the first sliding track; 226-the fifth belt roller; 227-the second sliding track; 228-the sixth belt roller; 229-the seventh belt roller; 231-the guide rod; 232-the connecting rod; 233-the guide groove; 234-the driving cylinder; 241-the output transmission belt; 242-the third transmission motor; 243-the second output belt roller; 244-the first output belt roller; 245-the fixed plate; 1101-the tray taker slide rail; 1102-the first fixed part; 1103-the first moving part; 1104-the first telescopic driving cylinder; 1105-the first Scissor-type structure; 1106-electromagnetic gripper; 1107-third sensor; 1111-bracket; 1112-slideway; 1131-retriever track; 1132-gripper; 1141-first chain structure; 1142-second chain structure; 1143-third chain structure; 1144-fourth chain structure; 1145-fifth chain structure; 1146-sixth chain structure; 1147-support block; 1221-returner slide rail; 1121-second fixed part; 1122-second movable part; 1123-second scissor-type structure; 1124-second telescopic drive cylinder; 1125-tray structure; 1126-fourth sensor. DETAILED DESCRIPTION

[0041] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0042] The technical solution of the present invention is described in detail below in conjunction with the accompanying drawings.

[0043] like Figures 1 to 3 As shown, the present invention provides a steamed bun automatic placing device, comprising a box body 4. Preferably, the box body 4 is a rectangular box body having a top plate, a bottom plate, two side plates, a front plate and a rear plate, as shown in FIG. Figure 2 and Figure 3 As shown, a back plate 3 is provided in the box body 4, which can separate the box body 4 into a pick-up and placement area 1 and a placement area 2, and the top of the back plate 3 allows the pick-up and placement area 1 and the placement area 2 to be connected, so that the steamed buns can be transferred from the pick-up and placement area 1 to the placement area 2 through the top of the back plate 3. The pick-up and placement area 1 is arranged on the front side of the back plate 3, and the placement area 2 is arranged on the rear side of the back plate 3, which reduces the occupied space. The back plate 3 can be used as a mounting plate for the components in the pick-up and placement area 1 and the placement area 2.

[0044] like Figure 1 and Figure 2 As shown, the taking and placing area 1 includes a tray taking area 11 and a tray returning area 12 arranged side by side vertically. The tray taking area 11 is located on the left side of the box body 4, and is used to move the steaming tray on the steaming cart to the movable tray 111 of the tray taking area 11. The tray returning area 12 is located on the right side of the box body 4, and is used to push the empty steaming tray back onto the steaming cart, and move the empty movable tray 111 back to the tray taking area 11. Preferably, an opening is provided on the front plate of the box body 4 and in the area corresponding to the tray taking area 11 and the tray returning area 12. When in use, the steaming cart is moved to the tray taking area 11 for fixing. A single-row steaming cart can be directly aligned with the tray taking area, and a double-row steaming cart first aligns the right row with the tray taking area, and then moves right after taking to align the left row with the tray taking area.

[0045] The tray taking area 11 includes a tray taker 110, a mobile tray 111, a first tray mover 112 and an object taker 113, wherein the tray taker 110 is arranged on the back plate 3 at the rear side of the mobile tray 111 and can be aligned with the mobile tray 111, and is used to move the steaming tray on the steaming cart to the mobile tray 111. The object taker 113 is arranged above the mobile tray 111, and preferably, the object taker 113 is arranged on the top plate of the box body 4, so that the steaming tray of the steaming cart is transferred to the mobile tray 111 through the tray taker 110, and the object taker 113 sequentially grabs a row of steamed buns on the steaming tray and transfers them to the placement area 2. The first tray mover 112 is arranged on the side wall of the box body located on one side of the mobile tray 111, and is used to move the mobile tray 111 and the empty steaming tray after grabbing the steamed buns to the tray return area 12. Preferably, the first tray mover 112 is arranged on the left side wall of the box body.

[0046] The tray return area 12 includes a second tray mover 122 and a tray returner 121, wherein the tray returner 121 is disposed on the back plate 3 and is used to transfer the empty steam tray on the movable tray 111 to the steaming cart. The second tray mover 122 is disposed on the other side wall of the box body opposite to the first tray mover 112 and is used to move the movable tray 111 back to the tray retrieval area 11. Preferably, the second tray mover 122 is disposed on the right side wall of the box body so as to move the movable tray 111 of the tray return area 12 back to the tray retrieval area 11.

[0047] The placement area 2 includes a differential belt assembly, which can arrange each row of steamed buns grabbed by the object picker 113 in groups and output them in sequence, thereby realizing automatic placement of the steamed buns, greatly reducing labor, labor intensity and labor costs, and improving the automation level of the device.

[0048] Further preferably, Figure 3 and Figure 4 As shown, the differential belt assembly includes a first differential belt assembly 21, a second differential belt assembly 22, a guide assembly 23 and an output conveyor belt assembly 24. The first differential belt assembly 21 is arranged in the front and upper part of the second differential belt assembly 22 and is located on the rear side of the tray picking area 11. The guide assembly 23 is connected to the second differential belt assembly 22 to enable the steamed buns on the second differential belt assembly 22 to move at a differential speed and arrange them in groups on the output conveyor belt 241 of the output conveyor belt assembly 24. The output conveyor belt assembly 24 is arranged at the end of the second differential belt assembly 22.

[0049] Further preferably, the first differential belt assembly 21 includes a first conveyor belt 211 that moves toward the second differential belt assembly 22, and the picker 113 can place the grabbed steamed buns on the first conveyor belt 211 along the moving direction of the first conveyor belt 211. That is, the picker 113 grabs a row of steamed buns horizontally, then moves to the top of the first conveyor belt 211, and places the row of steamed buns horizontally on the first conveyor belt 211. Preferably, the first differential belt assembly 21 includes a first transmission motor 212 fixed on the back plate 3, the driving shaft of the first transmission motor 212 is driven and connected to the first belt roller 213, a second belt roller 214 is provided on the back plate 3 and at the same height as the first belt roller 213, and the first conveyor belt 211 is sleeved between the first belt roller 213 and the second belt roller 214. Driven by the first transmission motor 212, the first conveyor belt 211 moves toward the second differential belt assembly 22, and the conveying speed of the first conveyor belt 211 is lower than the conveying speed of the second conveyor belt 221, so that each steamed bun in a row of steamed buns is moved to the second differential belt assembly 22 in sequence and the spacing is enlarged. Preferably, a first sensor 215 is provided on the back plate 3 and near the end of the first conveyor belt 211. After sensing that each row of steamed buns has been conveyed, the first sensor 215 stops the first transmission motor 212 and then stops the first conveyor belt 211. When the picker 113 places the next row of steamed buns on the first conveyor belt 211, the first transmission motor 212 starts to run.

[0050] Further preferably, Figure 3 and Figure 4 As shown, the second differential belt assembly 22 includes a third belt roller 223 and a fourth belt roller 224 located directly below the second belt roller 214, and the third belt roller 223 and the fourth belt roller 224 are arranged spaced apart from each other. Among them, the fourth belt roller 224 is connected to the driving shaft of the second transmission motor 222. The second transmission motor 222 can drive the second differential belt assembly 22 to operate. A first sliding track 225 is provided on the back plate 3 and at the same height as the third belt roller 223, as shown in FIG. Figure 3As shown, the first sliding track 225 is in the shape of an elongated strip. One end of the fifth belt roller 226 is slidably disposed in the first sliding track 225, and the other end is extended outward. A second sliding track 227 is provided on the back plate 3 at the same height as the fourth belt roller 224, and the second sliding track 227 is arranged in a manner closer to the first differential belt assembly 21 relative to the first sliding track 225, and one end of the sixth belt roller 228 is slidably disposed in the second sliding track 227, and the other end is extended outward; the second sliding track 227 is in the shape of an elongated strip consistent with the shape of the first sliding track 225. A seventh belt roller 229 is provided in the area formed by the third belt roller 223, the fourth belt roller 224, the fifth belt roller 226 and the sixth belt roller 228, and the roller body diameter of the seventh belt roller 229 is larger than the roller body diameters of the third belt roller 223, the fourth belt roller 224, the fifth belt roller 226 and the sixth belt roller 228, so that the second transmission belt 221 of the differential belt assembly is sequentially sleeved on the third belt roller 223, the fifth belt roller 226, the seventh belt roller 229, the sixth belt roller 228 and the fourth belt roller 224. The transmission belt between the third belt roller 223 and the fifth belt roller 226 is kept horizontal, and the transmission belt between the sixth belt roller 228 and the fourth belt roller 224 is kept horizontal.

[0051] Further preferably, a guide assembly 23 is provided between the fifth belt roller 226 and the sixth belt roller 228, and the guide assembly 23 is obliquely arranged between the fifth belt roller 226 and the sixth belt roller 228. The guide assembly 23 includes guide rods 231 located on both sides of the fifth belt roller 226 and the sixth belt roller 228, and the middle parts of the two guide rods 231 are connected by a connecting rod 232, and guide grooves 233 are respectively formed at the upper part of the guide rods 231 close to the fifth belt roller 226 and the lower part close to the sixth belt roller 228. Among them, one end of the fifth belt roller 226 away from the first sliding track 225 is inserted into the guide groove 233 located at the upper part, and the second conveyor belt 221 is located between the two guide rods 231, and one end of the sixth belt roller 228 away from the second sliding track 227 is inserted into the guide groove 233 located at the lower part, and the second conveyor belt 221 is located between the two guide rods 231, as shown in FIG. Figure 4 The sixth belt roller 228 is connected to a driving cylinder 234, the fixed end of the driving cylinder 234 is fixed to the back plate 3, and the movable end of the driving cylinder 234 is drivingly connected to the sixth belt roller 228 to drive the sixth belt roller 228 to slide along the second sliding track 227. Preferably, a second sensor 220 is provided on the back plate 3 at a height corresponding to the second conveyor belt 221, for monitoring each steamed bun.

[0052] The operation mode of the differential belt assembly of the present application is as follows:

[0053] Each row of steamed buns on the first conveyor belt 211 is sequentially transmitted to the second conveyor belt 221 at a transmission speed lower than that of the second conveyor belt 221, so as to increase the distance between two adjacent steamed buns. Driven by the second transmission motor 222, the second conveyor belt 221 runs in the direction of the output conveyor belt 241, and at the same time, the driving cylinder 234 drives the sixth belt roller 228 to slide along the second sliding track 227, and acts on the guide assembly 23 at the same time, and the fifth belt roller 226 slides along the first sliding track 225 driven by the guide assembly 23, and then when the sixth belt roller 228 moves forward along the second sliding track 227, the fifth belt roller 226 moves backward along the first sliding track 225, and when the sixth belt roller 228 moves backward along the second sliding track 227, the fifth belt roller 226 moves forward along the first sliding track 225. Therefore, the first steamed bun dropped from the first conveyor belt 211 falls on the output conveyor belt 241 along the second conveyor belt 221. At this time, the fifth belt roller 226 is moved backward along the first sliding track 225, and the second steamed bun can fall behind the first steamed bun on the output conveyor belt 241 along the second conveyor belt 221. In this application, "behind" refers to the direction opposite to the running direction of the second conveyor belt. Then the output conveyor belt moves outward for a certain distance, where "outward" refers to the direction in which the output conveyor belt is transmitted. The fifth belt roller 226 moves forward along the first sliding track 225, and the third steamed bun falls on the second row. Then the fifth belt roller 226 is moved backward along the first sliding track 225, and the fourth steamed bun falls behind the third steamed bun. The steamed buns are arranged in sequence to form a multi-row and two-column arrangement. For example, when the object picker 113 grabs 4 steamed buns each time, they can be arranged on the output conveyor belt to form two rows and two columns. When the driving cylinder 234 and the guide assembly 23 stop moving, the second conveyor belt 221 falls onto the output conveyor belt 241 to form a multi-row single-column arrangement.

[0054] Preferably, an output conveyor belt assembly 24 is provided directly below the fifth belt roller 226, and the conveying direction of the output conveyor belt 241 of the output conveyor belt assembly 24 is perpendicular to the conveying direction of the first conveyor belt 211 or the second conveyor belt 221. An outlet 41 corresponding to the output conveyor belt is provided on the rear plate of the box body 4. Then, the arranged steamed buns are sent out from the outlet 41 and packaged. Preferably, as Figure 4 As shown, a third transmission motor 242 is provided on the side plate of the box body 4, and the driving shaft of the third transmission motor 242 is connected to the first output belt roller 244. A second output belt roller 243 is provided near the outlet 41, and the output conveyor belt 241 is sleeved on the first output belt roller 244 and the second output belt roller 243. Preferably, a fixing plate 245 is provided on the left and right sides of the output conveyor belt 241, as shown in FIG. Figure 5As shown, both ends of the first output belt roller 244 and the second output belt roller 243 are rotatably arranged on the fixed plate 245. Preferably, the outlet 41 is located between the two fixed plates 245. The present application can realize automatic placement and grouping of steamed buns through the differential belt assembly, avoiding manual operation.

[0055] Further preferably, Figure 6 As shown, the tray taking area 11 also includes a first lifting device, which is used to carry multiple mobile trays 111 and drive the multiple mobile trays 111 to move from bottom to top. The first lifting device includes a first chain structure 1141, a second chain structure 1142, a third chain structure 1143 and a fourth chain structure 1144 arranged at the four corners of the mobile tray 111, wherein the first chain structure 1141 and the second chain structure 1142 are located on the left side of the tray taking area 11 and can move synchronously, and the third chain structure 1143 and the fourth chain structure 1144 are located on the right side of the tray taking area 11 and can move synchronously. The tray returning area 12 also includes a second lifting device, which is used to carry multiple mobile trays 111 and drive the multiple mobile trays 111 to move from top to bottom. The second lifting device includes a fifth chain structure 1145, a sixth chain structure 1146, and a third chain structure 1143 and a fourth chain structure 1144 shared with the first lifting device, wherein the third chain structure 1143 and the fourth chain structure 1144 are located on the left side of the return plate area 12 and can move synchronously, and the fifth chain structure 1145 and the sixth chain structure 1146 are located on the right side of the return plate area 12 and can move synchronously. The number of layers of the movable trays 111 placed on both the first lifting device and the second lifting device is the same as the number of layers of steaming trays that can be placed on the steaming cart. And in the initial state, an empty layer is reserved at the bottom layer of all the movable trays of the first lifting device, and an empty layer is reserved at the top layer of all the movable trays of the second lifting device, that is, an empty space is reserved at the bottom layer of the first lifting device so that the movable tray at the bottom layer of the return tray area is pushed back to the bottom layer of the tray taking area, and an empty space is reserved at the top layer of the second lifting device so that the movable tray at the top layer of the tray taking area that has been used to take out the steamed buns and the empty steaming tray are pushed to the top layer of the return tray area.

[0056] Preferably, Figure 3 , Figure 6 and Figure 7As shown, a lifting device driving motor 15 is provided at the bottom of the rear side of the back plate 3, and the driving shaft of the lifting device driving motor 15 is drivingly connected to the rear driving gear 16, and the driving shaft of the lifting device driving motor 15 extends through the back plate 3 to the front side, and is sequentially driven and connected to the first front driving sprocket 17 and the second front driving sprocket 18 at the front side of the back plate 3, the first front driving sprocket 17 is arranged closer to the back plate 3 relative to the second front driving sprocket 18, a first front driven sprocket 17' is provided directly above the first front driving sprocket 17, and a second front driven sprocket 18' is provided directly above the second front driving sprocket 18, the first front driven sprocket 17' and the second front driven sprocket 18' are connected by a rotating shaft, the third chain structure 1143 is meshedly connected between the first front driving sprocket 17 and the first front driven sprocket 17', and the fourth chain structure 1144 is meshedly connected between the second front driving sprocket 18 and the second front driven sprocket 18'. The first rear driven gear 19 and the second rear driven gear 20 are respectively meshed and connected on the left and right sides of the rear driving gear 16, the first rear driven gear 19 is coaxially connected to the third rear driven sprocket 30, the third rear driven sprocket 30 is transmission-connected to the fourth rear driven sprocket 31 through a driving chain, and the driving shaft of the fourth rear driven sprocket 31 passes through the back plate 3 and extends forward, and is sequentially driven and connected to the third front driven sprocket 32 ​​and the fourth front driven sprocket 33 on the front side of the back plate 3, and the third front driven sprocket 32 ​​is relative to the fourth front driven sprocket 33. The wheel 33 is arranged in a manner closer to the back plate 3, and a fifth front driven sprocket 34 is provided directly above the third front driven sprocket 32, and a sixth front driven sprocket 35 is provided directly above the fourth front driven sprocket 33, and the fifth front driven sprocket 34 and the sixth front driven sprocket 35 are connected by a rotating shaft, the first chain structure 1141 is meshedly connected between the third front driven sprocket 32 ​​and the fifth front driven sprocket 34, and the second chain structure 1142 is meshedly connected between the fourth front driven sprocket 33 and the sixth front driven sprocket 35. The second rear driven gear 20 is coaxially connected to a fifth rear driven sprocket 36, which is transmission-connected to a sixth rear driven sprocket 37 via a driving chain, and a driving shaft of the sixth rear driven sprocket 37 extends forward through the back plate 3, and is sequentially drive-connected to a seventh front driven sprocket 38 and an eighth front driven sprocket 39 at the front side of the back plate 3, and the seventh front driven sprocket 38 is arranged closer to the back plate 3 than the eighth front driven sprocket 39, A ninth front driven sprocket 38' is provided directly above the sprocket 38, and a tenth front driven sprocket 39' is provided directly above the eighth front driven sprocket 39. The eighth front driven sprocket 39 and the tenth front driven sprocket 39' are connected by a rotating shaft, and the fifth chain structure 1145 is meshedly connected between the seventh front driven sprocket 38 and the ninth front driven sprocket 38', and the sixth chain structure 1146 is meshedly connected between the eighth front driven sprocket 39 and the tenth front driven sprocket 39'.Therefore, when the lifting device driving motor 15 drives the first front driving sprocket 17 and the second front driving sprocket 18 to rotate clockwise and thereby drives the third chain structure 1143 and the fourth chain structure 1144 to rotate upward on the left side and downward on the right side, the first chain structure 1141 and the second chain structure 1142 rotate upward on the right side and downward on the left side, and at the same time, the fifth chain structure 1145 and the sixth chain structure 1146 rotate downward on the left side and downward on the right side, thereby causing the movable plate 111 to move from bottom to top on the first lifting device and from top to bottom on the second lifting device.

[0057] Preferably, Figure 6 As shown, support blocks 1147 are provided at intervals on the outer sides of the first chain structure 1141, the second chain structure 1142, the third chain structure 1143, the fourth chain structure 1144, the fifth chain structure 1145 and the sixth chain structure 1146. Figure 8 As shown, brackets 1111 matching the brackets 1147 are provided at the four corners of the movable plate 111, so that the movable plate 111 is arranged on the first lifting device and the second lifting device through the cooperation of the brackets 1111 and the brackets 1147. At the same time, the cooperation of the brackets 1111 and the brackets 1147 can easily disengage when the first plate mover 112 and the second plate mover 122 push the movable plate 111, and when the movable plate 111 moves to the position of the brackets 1147, the four corners of the movable plate 111 can be supported at the position of the brackets.

[0058] like Figure 8 As shown, the left and right sides of the movable plate 111 are provided with slide grooves 1112, which are groove structures that are concave in the left and right side walls of the movable plate 111 and are arranged opposite to each other. The slide grooves 1112 are used to move the two sides of the steaming plate along the slide grooves 1112 and place them in the slide grooves 1112 when the steaming plate of the steaming vehicle is dragged onto the movable plate 111 by the plate taker 110. In addition, the slide grooves 1112 can also make the edge of the tarpaulin of the steaming plate stuck between the steaming plate and the slide grooves 1112, ensuring that when the taker grabs the steamed buns, the tarpaulin is not lifted up due to adhesion, causing confusion of other steamed buns.

[0059] Preferably, Figure 2 As shown, a tray taker slide rail 1101 and a tray return slide rail 1221 are respectively provided on the front side of the back plate 3 and the rear side of the movable tray 111 located in the tray taking area 11 and the tray return area 12. The tray taker 110 is slidably arranged on the tray taker slide rail 1101. When grabbing each layer of steaming trays on the steaming cart, the tray taker 110 can move layer by layer from top to bottom along the tray taker slide rail 1101, so as to grab each layer of steaming trays to the movable tray 111 at a corresponding height in sequence. The tray returner 121 is slidably arranged on the tray return slide rail 1221, and the tray returner 121 moves layer by layer from top to bottom along the tray return rail, so as to push the empty steaming trays on each layer of the movable tray 111 back to the steaming cart in sequence.

[0060] Preferably, Figure 5 and Fig. 9 As shown, both the tray taker 110 and the tray returner 121 include a first fixed portion 1102, a first movable portion 1103, and a first scissor structure 1105 connecting the first fixed portion 1102 and the first movable portion 1103. A first telescopic driving cylinder 1104 is provided on the first fixed portion 1102 to drive the first movable portion 1103 to move forward or retract. An electromagnetic gripper 1106 is provided at the front end of the first movable portion 1103. When powered on, the electromagnetic gripper 1106 sticks to the steaming plate to drag the steaming plate onto the movable plate 111 or moves from the movable plate 111 to the steaming vehicle. A third sensor 1107 is also provided on the first fixed portion 1102. When the tray taker moves along the slide rail 1101 and detects the steaming plate to be grabbed, the first scissor structure 1105 is controlled to move forward to clamp the steaming plate through the electromagnetic gripper 1106 and drag it onto the movable plate 111. The tray taker 110 can move up and down along the tray taker slide rail 1101 so as to drag each layer of steaming tray to the movable tray 111 of the corresponding height in turn. The tray taker 110 moves to the position of the steaming tray on the top layer of the steaming cart, and pulls the steaming tray with steamed buns from the top layer of the steaming cart to the movable tray 111 of the tray taker area 11 in turn. A taker track 1131 is provided on the top plate of the box body of the tray taker area 11 and along the front-back direction. The taker 113 is slidably arranged on the taker track 1131. A clamping claw 1132 is provided at the end of the taker 113, and the clamping claw 1132 is arranged horizontally. The clamping claw 1132 is moved to the top of each row of steamed buns, moved down to clamp the steamed buns, and then moved up to a specified height to separate the steamed buns from the tarpaulin. The taker clamping claw 1132 moves the steamed buns backward to the first differential belt assembly 21, and then continues to repeat the clamping action until all the steamed buns on the steaming tray are removed.

[0061] Preferably, Fig. 9As shown, the first tray mover 112 and the second tray mover 122 each include a second fixed portion 1121, a second movable portion 1122 and a second scissor structure 1123 connected between the second fixed portion 1121 and the second movable portion 1122, a second telescopic driving cylinder 1124 is provided on the second fixed portion 1121, and a tray structure 1125 is provided at the bottom of the front end of the second movable portion 1122. The tray structure 1125 is used to drag the bottom of the movable tray 111 when the movable tray 111 is pushed. Preferably, the first tray mover 112 is arranged at a position aligned with the topmost movable tray 111 in the tray taking area 11 of the side wall of the box, and the second tray mover 122 is arranged at a position aligned with the bottommost movable tray 111 in the tray returning area 12 of the other side wall of the box. A fourth sensor 1126 is provided on the second fixed portion 1121. Therefore, after all the steamed buns on the uppermost steaming tray are removed, the first tray mover 112 receives a signal, and the second moving part 1122 of the first tray mover 112 is pushed out from left to right, and the moving tray 111 is moved from the taking tray area 11 to the returning tray area 12, and then the first tray mover 112 is moved back to the initial position from right to left, and the next moving tray 111 carrying the steaming tray is moved up to the corresponding height and takes it out, and then the action is repeated. The second moving part 1122 of the second tray mover 122 is pushed out from right to left, and the moving tray 111 at the bottom of the returning tray area 12 is moved from the returning tray area 12 to the taking tray area 11, and then the second tray mover 122 is moved back to the initial position from left to right, and the next moving tray 111 is moved to the bottom of the returning tray area 12, and then the action is repeated. After the first plate mover 112 and the second plate mover 122 complete one action, the first lifting device moves all the movable plates 111 in the plate taking area 11 up by one layer, and the next movable plate 111 carrying the steaming plate moves to the topmost layer. The object taking device repeats the action, and at the same time, the second lifting device moves all the movable plates 111 in the plate returning area 12 down by one layer, so that the movable plates 111 circulate between the first lifting device and the second lifting device. After the movable plate 111 carrying the uppermost empty steaming plate moves to the return plate area 12, the return plate device 121 receives a signal, moves to the uppermost position, and pushes it forward from the back to the front, pushing the uppermost empty steaming plate from the return plate area 12 to the uppermost layer of the steaming cart, and the return plate device 121 returns to the initial position from the front to the back, and then moves the return plate device 121 downward to the position of the steaming plate of the next layer to wait. After all the steamed buns on all other steaming plates are taken out, the movable plate 111 carrying the empty steaming plate is also moved to the return plate area 12, and corresponds to the second layer to the lower layer of the steaming cart respectively. The return plate device 121 receives a signal, repeats the above action and moves downward layer by layer, pushing all the empty steaming plates from the return plate area 12 to the steaming cart, and at the same time, the empty movable plates in the plate taking area 11 correspond to the heights of each layer of the steaming cart, and the plate taking action of the next steaming cart or the next column can be performed synchronously.

[0062] The working process of the steamed bun automatic taking and placing device of the present invention is as follows:

[0063] The steaming cart is moved to the tray taking area 11 of the device and fixed. The single-row steaming cart is directly aligned with the tray taking area, and the right row of the double-row steaming cart is aligned with the tray taking area first, and then moves right to take the trays in the left row. The tray taker 110 pulls the steaming tray with steamed buns from the top layer of the steaming cart to the movable tray 111 of the tray taking area in sequence. After taking all the steaming trays, the steaming cart moves to the corresponding tray return area 12. The object picker 113 starts to pick up the steamed buns from the uppermost steaming tray in the tray picking area 11 and puts them into the differential belt assembly. The differential belt assembly arranges the steamed buns in groups and then sends them out for packaging from the outlet 41. After taking the steamed buns on the uppermost layer, the first tray mover 112 pushes the movable tray carrying the empty steaming tray from the uppermost layer of the tray picking area 11 to the uppermost reserved layer of the tray returning area 12. The second tray mover 122 pushes the empty movable tray from the lowermost layer of the tray returning area to the lowermost reserved layer of the tray picking area. The second tray mover 122 and the first tray mover 112 can start to move at the same time. The tray returning device 121 receives the signal and moves the uppermost empty steaming tray to The top layer of the steaming cart, and then wait at the height of the second layer; the first lifting device and the second lifting device control the movable plate 111 to move up in the plate taking area 11 and move down in the plate returning area 12, so as to realize the circular movement of the movable plate in the equipment; repeat the above actions, after all the steamed buns are taken, the remaining empty steaming plates are all moved to the plate returning area 12, corresponding to the second layer to the bottom layer of the steaming cart, and at the same time, the plate taking area 11 is all empty movable plates, and corresponds to the height of all layers of the steaming cart; the plate returning device 121 pushes the empty steaming plates back to the empty steaming cart from the second layer in sequence, and at the same time, the plate taking area 11 can take the plates for the next steaming cart or the next row of steaming carts. The steamed bun automatic taking and placing device of the present invention realizes the process of automatically taking down and placing the steamed buns from the steaming cart and grouping and conveying and packaging, which meets the requirements of automated production, greatly improves the production effect, and reduces labor costs.

[0064] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A steamed bun automatic placing device, characterized in that: The invention comprises a box body (4), wherein a back panel (3) is provided in the box body (4) and is capable of dividing the box body (4) into a pick-up and placement area (1) and a placement area (2) at the front and rear, and the top of the back panel (3) allows the pick-up and placement area (1) and the placement area (2) to be connected, the pick-up and placement area (1) being arranged at the front side of the back panel (3), and the placement area (2) being arranged at the rear side of the back panel (3); the pick-up and placement area (1) comprises a tray pick-up area (11) and a tray return area (12) arranged side by side vertically, wherein the tray pick-up area (11) comprises a tray picker (110), a movable tray (111), a first tray mover (112) and an object picker (113), wherein the tray picker (110) is arranged on the back plate (3) at the rear side of the movable plate (111), and is used to move each layer of steaming plates in the steaming cart to the movable plate (111) at a corresponding height. The object picker (113) is arranged above the movable plate (111) so as to sequentially grab a row of steamed buns on the steaming plates horizontally through the object picker (113) and transfer them to the placement area (2); the first plate mover (112) is arranged on the side wall of the box body located on one side of the movable plate (111), and is used to move the movable plate after grabbing the steamed buns and the empty steaming plate to the return plate area (12); the return plate area (12) includes a second plate mover (122) and a return plate device (121), which wherein the tray return device (121) is arranged on the back plate (3) and is used to transfer the empty steaming tray on the movable tray (111) to the steaming cart; the second tray mover (122) is arranged on the other side wall of the box body opposite to the first tray mover (112) and is used to move the movable tray back to the tray retrieval area (11); the placement area (2) comprises a differential belt assembly, and the differential belt assembly is capable of placing each row of steamed buns grabbed by the object picker (113) and arranging them in groups in sequence before outputting them; the differential belt assembly comprises a first differential belt assembly (21), a second differential belt assembly (22), a guide assembly (23) and an output transmission belt assembly (24); The first differential belt assembly (21) is arranged above and in front of the second differential belt assembly (22) and is located at the rear side of the tray taking area (11); the guide assembly (23) is connected to the second differential belt assembly (22) and is used to move the steamed buns on the second differential belt assembly (22) at a differential speed and arrange them in groups on the output conveyor belt (241) of the output conveyor belt assembly (24); the output conveyor belt assembly (24) is arranged at the end of the second differential belt assembly (22); the first differential belt assembly (21) includes a first conveyor belt (211) that moves in the direction of the second differential belt assembly (22);The first differential belt assembly (21) comprises a first transmission motor (212) fixed on the back plate (3); a driving shaft of the first transmission motor (212) is connected to a first belt roller (213); a second belt roller (214) is provided on the back plate (3) and at the same height as the first belt roller (213); the first transmission belt (211) is sleeved on the first belt roller (213) and the second belt roller (214); the second differential belt assembly (22) comprises a third belt roller (223) and a fourth belt roller (224) located directly below the second belt roller (214); the third belt roller (223) and the fourth belt roller (224) are arranged spaced apart from each other in an upper and lower direction. The fourth belt roller (224) is connected to the drive shaft of the second transmission motor (222); a first sliding track (225) is provided on the back plate (3) at the same height as the third belt roller (223); one end of a fifth belt roller (226) is slidably arranged in the first sliding track (225) and the other end is extended outward; a second sliding track (227) is provided on the back plate (3) at the same height as the fourth belt roller (224); the second sliding track (227) is arranged in a manner closer to the first differential belt assembly relative to the first sliding track (225); one end of a sixth belt roller (228) is slidably arranged in the second sliding track ( 227), and the other end is extended outward; the guide assembly (23) is arranged between the fifth belt roller (226) and the sixth belt roller (228), and the guide assembly (23) includes guide rods (231) located on both sides of the fifth belt roller (226) and the sixth belt roller (228), and the middle parts of the two guide rods (231) are connected by a connecting rod (232), and guide grooves (233) are respectively arranged on the upper part of the guide rod (231) close to the fifth belt roller (226) and the lower part close to the sixth belt roller (228), wherein the end of the fifth belt roller (226) away from the first sliding track (225) is inserted into the guide groove (233) located at the upper part, The second conveyor belt (221) of the second differential belt assembly (22) is located between the two guide rods (231), one end of the sixth belt roller (228) away from the second sliding track (227) is inserted into the guide groove (233) located at the bottom, and the second conveyor belt (221) is located between the two guide rods (231), the sixth belt roller (228) is connected to a driving cylinder (234), the fixed end of the driving cylinder (234) is fixed to the back plate (3), and the moving end of the driving cylinder (234) is drivingly connected to the sixth belt roller (228) to drive the sixth belt roller (228) to slide along the second sliding track (227). ; 2. The steamed bun automatic placing device according to claim 1, characterized in that: The output conveyor belt assembly (24) is provided directly below the fifth belt roller (226), and the conveying direction of the output conveyor belt assembly (24) is arranged perpendicular to the conveying direction of the first conveyor belt (211) or the second conveyor belt (221), and an outlet (41) corresponding to the output conveyor belt (241) of the output conveyor belt assembly is provided on the rear plate of the box body (4).

3. The automatic steamed bun placing device according to claim 1, characterized in that: The tray taking area (11) further comprises a first lifting device, the first lifting device being used to carry the plurality of movable trays (111) and drive the plurality of movable trays (111) to move from bottom to top; the first lifting device comprises a first chain structure (1141), a second chain structure (1142), a third chain structure (1143) and a fourth chain structure (1144) arranged at four corners of the movable trays (111), wherein the first chain structure (1141) and the second chain structure (1142) are located on the left side of the tray taking area (11) and are capable of synchronous movement, and the third chain structure (1143) and the fourth chain structure (1144) are located on the right side of the tray taking area (11) and are capable of synchronous movement. Synchronous movement; the return disk area (12) also includes a second lifting device, which is used to carry the multiple movable disks (111) and drive the multiple movable disks (111) to move from top to bottom; the second lifting device includes a fifth chain structure (1145), a sixth chain structure (1146) and a third chain structure (1143) and a fourth chain structure (1144) shared with the first lifting device, wherein the third chain structure (1143) and the fourth chain structure (1144) are located on the left side of the return disk area (12) and can move synchronously, and the fifth chain structure (1145) and the sixth chain structure (1146) are located on the right side of the return disk area (12) and can move synchronously.

4. The automatic steamed bun placing device according to claim 3 is characterized in that: A lifting device drive motor (15) is provided at the bottom of the rear side of the back plate (3); a drive shaft of the lifting device drive motor (15) is drivingly connected to a rear driving gear (16); and the drive shaft of the lifting device drive motor (15) passes through the back plate (3) and extends toward the front side, and is sequentially drivingly connected to a first front driving sprocket (17) and a second front driving sprocket (18) at the front side of the back plate (3); the first front driving sprocket (17) is arranged closer to the back plate (3) than the second front driving sprocket (18); A first front driven sprocket (17') is provided above the rear driving sprocket (16), a second front driven sprocket (18') is provided directly above the second front driving sprocket (18), the first front driven sprocket (17') and the second front driven sprocket (18') are connected via a rotating shaft, the third chain structure (1143) meshes and connects the first front driving sprocket (17) and the first front driven sprocket (17'), the fourth chain structure (1144) meshes and connects the second front driving sprocket (18) and the second front driven sprocket (18'); and the first and second front driven sprockets (17') are meshed and connected on the left and right sides of the rear driving gear (16). A rear driven gear (19) and a second rear driven gear (20), wherein the first rear driven gear (19) is coaxially connected to a third rear driven sprocket (30), the third rear driven sprocket (30) is transmission-connected to a fourth rear driven sprocket (31) via a drive chain, and a drive shaft of the fourth rear driven sprocket (31) passes through the back plate (3) and extends forward, and is sequentially drive-connected to a third front driven sprocket (32) and a fourth front driven sprocket (33) on the front side of the back plate (3), and the third front driven sprocket (32) is closer to the back plate (3) than the fourth front driven sprocket (33). 3), a fifth front driven sprocket (34) is provided directly above the third front driven sprocket (32), a sixth front driven sprocket (35) is provided directly above the fourth front driven sprocket (33), and the fifth front driven sprocket (34) and the sixth front driven sprocket (35) are connected via a rotating shaft, the first chain structure (1141) meshes and connects the third front driven sprocket (32) and the fifth front driven sprocket (34), and the second chain structure (1142) meshes and connects the fourth front driven sprocket (33) and the sixth front driven sprocket (35).

5. The automatic steamed bun placing device according to claim 4 is characterized in that: The second rear driven gear (20) is coaxially connected to a fifth rear driven sprocket (36), the fifth rear driven sprocket (36) is transmission-connected to a sixth rear driven sprocket (37) via a drive chain, and a drive shaft of the sixth rear driven sprocket (37) passes through the back plate (3) and extends forward, and is sequentially drive-connected to a seventh front driven sprocket (38) and an eighth front driven sprocket (39) on the front side of the back plate (3), and the seventh front driven sprocket (38) is arranged closer to the back plate (3) than the eighth front driven sprocket (39), A ninth front driven sprocket (38') is disposed directly above the seventh front driven sprocket (38), and a tenth front driven sprocket (39') is disposed directly above the eighth front driven sprocket (39), the eighth front driven sprocket (39) and the tenth front driven sprocket (39') are connected via a rotating shaft, and the fifth chain structure (1145) meshes and connects the seventh front driven sprocket (38) and the ninth front driven sprocket (38'), and the sixth chain structure (1146) meshes and connects the eighth front driven sprocket (39) and the tenth front driven sprocket (39').

6. The automatic steamed bun placing device according to claim 3, characterized in that: Support blocks (1147) are provided at intervals on the outsides of the first chain structure (1141), the second chain structure (1142), the third chain structure (1143), the fourth chain structure (1144), the fifth chain structure (1145) and the sixth chain structure (1146); and brackets (1111) matching the support blocks (1147) are formed at four corners of the movable plate (111), so that the movable plate (111) is arranged on the first lifting device and the second lifting device through the coordinated movement of the brackets (1111) and the support blocks (1147); The movable tray (111) is provided with slide grooves (1112) on the left and right sides, and the slide grooves (1112) are groove structures that are recessed in the left and right side walls of the movable tray (111) and are arranged opposite to each other; a tray taker slide rail (1101) and a tray return slide rail (1221) are provided on the front side of the back plate (3) and on the rear side of the movable tray (111) located in the tray taking area (11) and the tray return area (12), respectively; the tray taker (110) is slidably arranged on the tray taker slide rail (1101), and the tray returner (121) is slidably arranged on the tray return slide rail (1221); A picker track (1131) is provided on the top plate of the box body of the tray picking area (11) along the front-to-back direction, the picker (113) is slidably arranged on the picker track (1131), and a clamping claw (1132) is provided at the end of the picker (113), and the clamping claw (1132) is arranged horizontally.

7. The steamed bun automatic placing device according to claim 1, characterized in that: The disk remover (110) and the disk returner (121) both comprise a first fixed portion (1102), a first movable portion (1103), and a first scissor-type structure (1105) connecting the first fixed portion (1102) and the first movable portion (1103); a first telescopic driving cylinder (1104) is provided on the first fixed portion (1102) to drive the first scissor-type structure (1105) to drive the first movable portion (1103) to move forward or retract; An electromagnetic gripper (1106) is provided at the front end; the first plate mover (112) and the second plate mover (122) both comprise a second fixed portion (1121), a second movable portion (1122) and a second scissor structure (1123) connected between the second fixed portion (1121) and the second movable portion (1122); a second telescopic driving cylinder (1124) is provided on the second fixed portion (1121); and a tray structure (1125) is provided at the bottom of the front end of the second movable portion (1122).

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