Unstacker

Abstract

The unstacker comprises a feeding assembly, a lifting assembly, a positioning assembly and a discharging assembly, the feeding assembly is composed of a plurality of feeding supports distributed side by side, the lifting assembly is fixedly installed on one side of the feeding assembly, a motor frame is fixedly installed on one side of the top of the lifting assembly, the positioning assembly is fixedly installed on the top of the lifting assembly, and the discharging assembly is fixedly installed on the motor frame. The discharging assembly is fixedly installed on one side of the top of the lifting assembly. Stacked bagged materials can be driven to achieve feeding through lifting and stable traction of the supporting plate, conveying of each layer of materials during unstacking is facilitated, movement in the horizontal direction is achieved through the positioning assembly, accurate positioning can be achieved when the bagged materials are grabbed, bagged material suction is achieved through a negative pressure suction mode of a suction cup, and the bagged materials can be conveniently conveyed. The bagged materials are grabbed through the feeding assembly, heavy materials are lifted through the rotatable suction cup, meanwhile, the grabbed bagged materials are conveyed through the discharging assembly, meanwhile, it can be ensured that the conveying direction of the bagged materials is adjusted, and continuous unstacking of the bagged materials can be achieved.

Description

Technical Field

[0001] The present invention relates to a palletizer, belonging to the technical field of palletizers. Background Art

[0002] A palletizer is an automated device mainly used to separate stacked goods (such as boxes, bags, pallets, etc.) layer by layer or piece by piece and convey them to the next process. It is commonly seen in scenarios such as logistics, warehousing, production lines, etc., and can replace manual handling, improving efficiency and reducing labor intensity. It is mainly used for demolishing goods stacks. It drives the chain to start running through a motor-driven reducer. Rollers are installed on the chain and can move smoothly on the guide rail during operation.

[0003] Palletizers are widely used in fields such as warehousing, logistics, and manufacturing. In warehousing sites, palletizers can quickly demolish goods stacks and then store or transport them separately, greatly improving the warehousing efficiency and the turnover rate of items. In terms of logistics distribution, palletizers can achieve automatic unloading of containers or pallets, helping express companies or distribution centers improve the distribution speed and efficiency. In the manufacturing industry, palletizers can also be used to take out parts from pallets for processing or assembly. In addition, palletizers also have the characteristics of high efficiency, safety and stability, and high flexibility. It can achieve automated operations, greatly reducing the time and labor required for manual handling. At the same time, it can be adjusted and optimized according to different item types and sizes, and is suitable for a variety of application scenarios. At the same time, palletizers also have perfect safety protection functions to ensure the personal safety of operation and maintenance personnel, as well as product safety and equipment self-safety.

[0004] Palletizers play an important role in modern logistics and production processes. When transporting bagged items, since the stacked bagged items are not easy to be quickly conveyed after being transported to the palletizer, and it is not easy to ensure the quick grasping of each layer of items after being transported with the stacked items. Moreover, due to the inconsistent directions of the stacked items, it is not easy to smoothly grasp them subsequently, and the materials conveyed through feeding cannot maintain the same direction, bringing inconvenience to subsequent processing. Summary of the Invention

[0005] The present invention provides a palletizer to solve the technical problems of palletizers.

[0006] The present invention solves the above technical problems through the following technical solutions: The present invention provides a palletizer, which includes: A feeding component, which is composed of a plurality of juxtaposed feeding brackets. The top of the feeding bracket is fixedly connected to the side rail through a feeding bracket. A roller shaft is rotatably connected inside the side rail, and bagged materials with pallets in cross-stacking are placed on the roller shaft. Lifting assembly, the lifting assembly is fixedly installed on one side of the loading assembly. A counterweight block is slidably connected to the side wall of the lifting assembly. The counterweight block is connected to the pallet through a traction chain. The pallet is arranged inside the lifting assembly. A motor bracket is fixedly installed on one side of the top of the lifting assembly. The motor bracket is arranged on one side of the loading assembly, and a driving mechanism that is in transmission connection with the traction chain is installed on the motor bracket; Positioning assembly, the positioning assembly is fixedly installed on the top of the lifting assembly. A first support plate is slidably connected to the surface of the positioning assembly. A second support plate is fixedly installed on the top of the first support plate. An installation seat is slidably connected to the surface of the second support plate. A lifting seat is slidably connected to one side of the installation seat. The lifting seat is arranged on one side of the first support plate and the second support plate. And a suction cup is movably installed at the bottom of the lifting seat; Unloading assembly, the unloading assembly is fixedly installed on one side of the top of the lifting assembly.

[0007] In this technical solution, an H-shaped loading bracket is provided on the top of the loading support. Side rails are fixedly connected to both sides of the loading bracket. A plurality of rollers are evenly distributed between the two side rails. A driving motor is fixedly installed at the bottom of the loading support. The driving motor is in transmission connection with one of the rollers, and adjacent rollers are connected by a chain drive.

[0008] In this technical solution, the lifting assembly is composed of longitudinal beams and cross beams. The top and bottom of the longitudinal beams are fixedly connected to the cross beams. The longitudinal beams are arranged around to form a main frame. Longitudinal beams are provided between the cross beams on both sides of the main frame. The counterweight block is arranged outside the longitudinal beams. The cross beams are respectively fixedly connected to both ends of the limiting ribs. And the counterweight block is slidably connected inside the limiting ribs. The pallet is arranged inside the longitudinal beams. And a plurality of rollers are evenly distributed on the surface of the pallet.

[0009] In this technical solution, the driving mechanism is arranged on one side of the lifting assembly. The driving mechanism is composed of a reducer and a steering gear. Both the reducer and the steering gear are fixedly installed on the top of the motor bracket. The number of steering gears is two and they are symmetrically arranged on both sides of the motor bracket. The reducer is located in the middle of the motor bracket. The reducer is fixedly connected to a stepping motor. The output end of the stepping motor is connected to the input shaft of the reducer. And the output shaft of the reducer is fixedly connected to a transmission shaft. The other end of the transmission shaft is connected to the input shaft of the steering gear. The output shaft of the steering gear is fixedly connected to a driven shaft.

[0010] In this technical solution, the steering gear is composed of bevel gears that mesh with each other. The ends of the two bevel gears are respectively connected to the transmission shaft and the driven shaft through couplings. Both ends of the driven shaft are rotatably connected inside the longitudinal beams. And sprockets are fixedly connected to both ends of the driven shaft located inside the longitudinal beams. The surface of the sprockets is meshed with the traction chain.

[0011] In this technical solution, the positioning component is composed of a top beam, and the top beam is of a square structure and is fixedly installed at the top end of the longitudinal beam. On the top surfaces of two of the top beams, a first guide rail and a first rack which are distributed in parallel are respectively fixedly connected. Above the top beam, there is a first support plate. Both ends of the first support plate are slidably connected to the surface of the first guide rail. A first motor is fixedly installed at the top of the first support plate. The output end of the first motor is fixedly connected to a first gear, and the first gear is meshed with the first rack.

[0012] In this technical solution, on one side of the first support plate, there is a second support plate. The surface of the second support plate is fixedly connected to a second guide rail and a second rack respectively. The mounting seat is slidably connected to the surface of the second guide rail. A second motor is fixedly installed at the top of the mounting seat. The output end of the second motor is fixedly connected to a gear, and the gear is meshed with the second rack.

[0013] In this technical solution, a horizontally arranged third motor is fixedly installed at the top of the mounting seat. The third motor is arranged on one side of the second motor. On one side of the mounting seat, there is a vertically distributed lifting seat. The lifting seat is fixedly connected to a third guide rail and a third rack respectively. The output end of the second motor is fixedly connected to a gear, and the gear is meshed with the third rack.

[0014] In this technical solution, the blanking component is composed of a blanking bracket. The blanking bracket is fixedly installed on the side wall of the longitudinal beam. One end of the blanking bracket is rotatably connected to a baffle, and the other end of the blanking bracket is rotatably connected to a guide sleeve. A long screw rod is threadedly connected inside the guide sleeve, and the other end of the long screw rod is rotatably connected to the baffle.

[0015] In this technical solution, a blanking side frame is fixedly connected to the inner wall of the blanking bracket. Both ends of the blanking side frame are rotatably connected to conveying wheels. The conveying wheels are drivingly connected by a conveyor belt, and the conveyor belt is correspondingly arranged below the two baffles. A conveying motor is fixedly installed on the blanking side frame. The output end of the conveying motor is fixedly connected to the conveying wheel through a steering device.

[0016] On the basis of conforming to the common knowledge in the art, the above preferred conditions can be combined arbitrarily to obtain various preferred examples of the present invention.

[0017] The positive and progressive effects of the present invention are as follows: The above-mentioned palletizer uses a feeding component to convey the stacked bagged materials, and utilizes the lifting and stable traction of the pallet to drive the stacked bagged materials to achieve feeding, which is convenient for conveying each layer of materials during palletizing. It moves horizontally through the positioning component, can achieve accurate positioning when grasping the bagged materials, and can move to any position, facilitating the rapid and accurate grasping of the stacked materials. The bagged materials are sucked by the negative pressure adsorption method of the suction cup, and the rotatable suction cup is used to lift the heavier materials. At the same time, the grabbed bagged materials are conveyed through the discharging component, and the conveying direction of the bagged materials can be adjusted, enabling the efficient palletizing of the bagged materials, improving the processing efficiency, and using the pallet to convey multiple stacked materials to achieve continuous palletizing of the bagged materials. Description of the Drawings

[0018] Figure 1 It is a schematic three-dimensional structure diagram of the whole invention.

[0019] Figure 2 It is a schematic three-dimensional structure diagram at the longitudinal beam of the invention.

[0020] Figure 3 For the present invention Figure 2 It is a schematic diagram of a partially enlarged structure at position A in the invention.

[0021] Figure 4 It is a schematic front view structure diagram of the exterior of the invention.

[0022] Figure 5 For the present invention Figure 4 It is a schematic diagram of a partially enlarged structure at position B in the invention.

[0023] Figure 6 It is a schematic three-dimensional structure diagram at the top beam of the invention.

[0024] Figure 7 For the present invention Figure 6 It is a schematic diagram of a partially enlarged structure at position C in the invention.

[0025] Figure 8 It is a schematic top view structure diagram of the whole invention.

[0026] Figure 9 It is a schematic side view structure diagram at the motor bracket of the invention.

[0027] Figure 10 It is a schematic side view structure diagram at the discharging bracket of the invention.

[0028] Description of the Reference Numerals 100. Feeding component; 101. Feeding bracket; 102. Feeding bracket; 103. Side rail; 104. Driving motor; 105. Roller shaft; 106. Bagged material; 200, Lifting Component; 201, Longitudinal Beam; 202, Cross Beam; 203, Longitudinal Rail; 204, Counterweight; 205, Towing Chain; 206, Motor Bracket; 207, Reducer; 208, Stepper Motor; 209, Transmission Shaft; 210, Steering Gear; 211, Driven Shaft; 212, Sprocket; 213, Support Plate; 214, Limit Rib 300, Positioning Component; 301, Top Beam; 302, First Guide Rail; 303, First Rack; 304, First Support Plate; 305, First Motor; 306, Output Gear; 307, Second Support Plate; 308, Second Guide Rail; 309, Second Rack; 310, Mounting Base; 311, Second Motor; 312, Third Motor; 313, Lifting Seat; 314, Third Guide Rail; 315, Third Rack; 316, Suction Cup 400, Unloading Component; 401, Unloading Bracket; 402, Long Screw; 403, Baffle; 404, Unloading Side Frame; 405, Conveyor Motor; 406, Conveyor Belt Detailed Implementation Manner

[0029] The present invention will be further described below by way of embodiments, but the present invention is not limited to the scope of the described embodiments accordingly.

[0030] As Figure 1-10 shown, the palletizer includes: a loading component 100, the loading component 100 is composed of a plurality of juxtaposed loading brackets 101, the top of the loading bracket 101 is fixedly connected to the side rail 103 through a loading bracket 102, a roller shaft 105 is rotatably connected inside the side rail 103, and a bagged material 106 with a pallet placed in a cross-stacked manner is placed on the roller shaft 105; a lifting component 200, the lifting component 200 is fixedly installed on one side of the loading component 100, a counterweight 204 is slidably connected to the side wall of the lifting component 200, the counterweight 204 is connected to the support plate 213 through a towing chain 205, the support plate 213 is arranged inside the lifting component 200, a motor bracket 206 is fixedly installed on one side of the top of the lifting component 200, the motor bracket 206 is arranged on one side of the loading component 100, and a driving mechanism drivingly connected to the towing chain 205 is installed on the motor bracket 206; a positioning component 300, the positioning component 300 is fixedly installed on the top of the lifting component 200, a first support plate 304 is slidably connected to the surface of the positioning component 300, a second support plate 307 is fixedly installed on the top of the first support plate 304, and a mounting base 310 is slidably connected to the surface of the second support plate 307, a lifting seat 313 is slidably connected to one side of the mounting base 310, the lifting seat 313 is arranged on one side of the first support plate 304 and the second support plate 307, and a suction cup 316 is movably installed at the bottom of the lifting seat 313; The material unloading assembly 400 is fixedly mounted to one side of the top of the lifting assembly 200 .

[0031] The top of the loading bracket 101 is provided with an H-shaped loading bracket 102, both sides of the loading bracket 102 are fixedly connected with side rails 103, and a number of rollers 105 evenly distributed are arranged between the two side rails 103. A driving motor 104 is fixedly installed at the bottom of the loading bracket 101, and the driving motor 104 is connected to one of the rollers by transmission, and adjacent rollers are connected by chain transmission; the lifting assembly 200 is composed of a longitudinal beam 201 and a cross beam 202, and the longitudinal beam 201 is connected to the cross beam 202. 01The top and bottom are fixedly connected to the cross beam 202, and the longitudinal beams 201 are arranged around to form a main frame. The longitudinal beams 201 are arranged between the cross beams 202 on both sides of the main frame. The counterweight block 204 is arranged on the outside of the longitudinal beam 201, and the cross beam 202 is respectively fixedly connected to the two ends of the limiting rib 214, and the counterweight block 204 is slidably connected to the inside of the limiting rib 214. The support plate 213 is arranged on the inner side of the longitudinal beam 201, and a plurality of evenly distributed rollers 105 are provided on the surface of the support plate 213.

[0032] In the present technical solution, the loading bracket 102 is stably supported by the loading support 101, so that multiple loading components 100 are evenly arranged on one side of the lifting component 200, which is convenient for conveying multiple stacked bagged materials 106. The bagged materials 106 are stacked and placed by the tray, which is convenient for subsequent sequential destacking. When the driving motor 104 drives the rollers to rotate, the rollers are driven by the chain transmission, thereby driving the rollers to rotate synchronously in the same direction, so that the tray drives the bagged materials 106 to stably translate to the lifting component 200, and the bagged materials 106 are stacked and placed by the tray. The structural stability is achieved by multiple longitudinal beams 201 and transverse beams 202, and the traction of the pallet 213 is achieved through the traction chain 205 on the counterweight block 204. The counterweight block 204 is used to balance the gravity of the bagged material 106 so that it can be smoothly pulled. When the pallet 213 is moved to make it at the same height as the roller, the bagged material 106 on the pallet moves to the surface of the pallet 213. At this time, the traction chain 205 pulls the pallet 213 and the bagged material 106 upward, and is gradually pulled along with the unloading of the bagged material 106 above, thereby achieving continuous processing.

[0033] The driving mechanism is arranged on one side of the lifting component 200. The driving mechanism is composed of a reducer 207 and a steering gear 210. Both the reducer 207 and the steering gear 210 are fixedly installed on the top of the motor frame 206. The number of the steering gears 210 is two and they are symmetrically arranged on both sides of the motor frame 206. The reducer 207 is located in the middle of the motor frame 206. The reducer 207 is fixedly connected with a stepping motor 208. The output end of the stepping motor 208 is connected to the input shaft of the reducer 207, and the output shaft of the reducer 207 is fixedly connected with a transmission shaft 209. The other end of the transmission shaft 209 is connected to the input shaft of the steering gear 210. The output shaft of the steering gear 210 is fixedly connected with a driven shaft 211. The steering gear 210 is composed of bevel gears that mesh with each other. The ends of the two bevel gears are respectively connected to the transmission shaft 209 and the driven shaft 211 through couplings. Both ends of the driven shaft 211 are rotatably connected to the inside of the longitudinal beam 201, and sprockets 212 are fixedly connected to both ends of the driven shaft 211 located inside the longitudinal beam 201. The surface of the sprocket 212 is meshed and connected with a traction chain 205.

[0034] In this technical solution, during palletizing and depalletizing, after the upper-layer bagged materials 106 are completely unloaded, the stepping motor 208 is started again. After being decelerated by the reducer 207 and increasing the torque, it drives the transmission shaft 209 to rotate, and drives the driven shaft 211 to rotate synchronously through the transmission of the bevel gears in the steering gear 210. Furthermore, while changing the transmission direction, it drives the driven shafts 211 on both sides to rotate synchronously, so that the driven shaft 211 drives the sprocket 212 to rotate. The sprocket 212 pulls the pallet 213 and the counterweight 204 on both sides to move. The counterweight 204 is limited by the limiting rib 214 to ensure the stable lifting of the counterweight 204, and further drives the pallet 213 to lift and lower stably, realizing the quantitative upward movement after each layer of bagged materials 106 is unloaded. When all the materials on the pallet are completely depalletized, the pallet 213 moves to the bottommost position. While moving out the pallet, the subsequent stacked bagged materials 106 are continuously conveyed above the pallet 213, realizing the continuous and efficient depalletizing process of the bagged materials 106.

[0035] The positioning component 300 is composed of a top beam 301. The top beam 301 has a square structure and is fixedly installed at the top end of the longitudinal beam 201. On the top surfaces of both of the two top beams 301, a first guide rail 302 and a first rack 303 which are distributed in parallel are respectively fixedly connected. Above the top beam 301, there is a first support plate 304. Both ends of the first support plate 304 are slidably connected to the surface of the first guide rail 302. A first motor 305 is fixedly installed at the top of the first support plate 304. The output end of the first motor 305 is fixedly connected with a first gear, and the first gear is meshed with the first rack 303; on one side of the first support plate 304, there is a second support plate 307. The surface of the second support plate 307 is respectively fixedly connected with a second guide rail 308 and a second rack 309. The mounting seat 310 is slidably connected to the surface of the second guide rail 308. A second motor 311 is fixedly installed at the top of the mounting seat 310. The output end of the second motor 311 is fixedly connected with a gear, and the gear is meshed with the second rack 309; a horizontally arranged third motor 312 is fixedly installed at the top of the mounting seat 310. The third motor 312 is arranged on one side of the second motor 311. On one side of the mounting seat 310, there is a vertically distributed lifting seat 313. The lifting seat 313 is respectively fixedly connected with a third guide rail 314 and a third rack 315. The output end of the second motor 311 is fixedly connected with a gear, and the gear is meshed with the third rack 315.

[0036] In this technical solution, when the bagged material 106 with a tray is located at the lifting component 200, the first motor 305 is started. The meshing of the first motor 305 with the first rack 303 drives the first support plate 304 to translate on the top beam 301, and stable movement is achieved in cooperation with the first guide rail 302. At the same time, the second motor 311 drives the gear to rotate and mesh with the second rack 309, driving the mounting seat 310 to slide on the second support plate 307. Stable translation can be achieved through the cooperation of the second guide rail 308 and the mounting seat 310, thereby realizing the adjustment of the longitudinal and lateral positions of the suction cup 316, achieving rapid positioning, and facilitating subsequent grasping. When the positioning is completed and the suction cup 316 is driven to move to the corresponding bagged material 106, the third motor 312 is started, so that the gear of the third motor 312 drives the third rack 315 to move. At this time, the third rack 315 drives the lifting seat 313 to move vertically on one side of the mounting seat 310. At the same time, the stable lifting of the lifting seat 313 is achieved in cooperation with the third guide rail 314, thereby driving the suction cup 316 to move to the surface of the bagged material 106, sucking and lifting the bagged material 106 through the negative pressure adsorption method, and placing the sucked material on the conveyor belt 406 through the movement of the mounting seat 310 and the first support plate 304. At this time, the suction cup 316 stops working and continues to unstack the next bagged material 106.

[0037] The blanking assembly 400 is composed of a blanking bracket 401. The blanking bracket 401 is fixedly installed on the side wall of the longitudinal beam 201. One end of the blanking bracket 401 is rotatably connected to a baffle 403, and the other end of the blanking bracket 401 is rotatably connected to a guide sleeve. A long screw rod 402 is threadedly connected inside the guide sleeve, and the other end of the long screw rod 402 is rotatably connected to the baffle 403. An inner wall of the blanking bracket 401 is fixedly connected to a blanking side frame 404. Both ends of the blanking side frame 404 are rotatably connected to conveying wheels, and the conveying wheels are drivingly connected by a conveyor belt 406. The conveyor belt 406 is correspondingly arranged below the two baffles 403. The blanking side frame 404 is fixedly installed with a conveying motor 405, and an output end of the conveying motor 405 is fixedly connected to the conveying wheels through a steering device 210.

[0038] In this technical solution, the bagged materials 106 on the conveyor belt 406 are limited by the baffle 403, and the angle of the baffle 403 can be adjusted by the long screw rod 402. When the bagged materials 106 placed at any angle on the conveyor belt 406 pass through the baffle 403, the direction can be adjusted by the limit of the baffle 403 to ensure that the conveying direction is consistent during blanking. The conveying motor 405 drives the conveying wheels to rotate slowly, and drives the conveyor belt 406 to drive synchronously to achieve stable blanking of the bagged materials 106.

[0039] Furthermore, by continuously translating and conveying multiple pallets, and realizing continuous unstacking of the bagged materials 106 through the lifting of the pallet 213, after the unstacking is completed, another stack of bagged materials 106 can be quickly conveyed to the lifting component 200, so as to achieve continuous unstacking of the bagged materials 106 and improve production efficiency.

[0040] The present invention is not limited to the above embodiments. No matter what changes are made in its shape or structure, they all fall within the protection scope of the present invention. The protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A depalletizer, characterized in that: The depalletizer comprises: A loading assembly (100), the loading assembly (100) comprising a plurality of loading brackets (101) arranged in parallel, the top of the loading bracket (101) being fixedly connected to a side rail (103) via a loading bracket (102), a roller (105) being rotatably connected inside the side rail (103), and bagged materials (106) with trays in a cross-stacked state being placed on the roller (105); A lifting component (200), wherein the lifting component (200) is fixedly mounted to one side of the feeding component (100), a counterweight (204) is slidably connected to the side wall of the lifting component (200), the counterweight (204) is connected to a support plate (213) via a traction chain (205), the support plate (213) is arranged inside the lifting component (200), a motor frame (206) is fixedly mounted on one side of the top of the lifting component (200), the motor frame (206) is arranged on one side of the feeding component (100), and a driving mechanism that is driven by the traction chain (205) is installed on the motor frame (206); A positioning component (300), wherein the positioning component (300) is fixedly mounted to the top of the lifting component (200), a first support plate (304) is slidably connected to the surface of the positioning component (300), a second support plate (307) is fixedly mounted on the top of the first support plate (304), and a mounting seat (310) is slidably connected to the surface of the second support plate (307), a lifting seat (313) is slidably connected to one side of the mounting seat (310), the lifting seat (313) is arranged on one side of the first support plate (304) and the second support plate (307), and a suction cup (316) is movably mounted on the bottom of the lifting seat (313); A material unloading assembly (400), wherein the material unloading assembly (400) is fixedly mounted to one side of the top of the lifting assembly (200).

2. The depalletizer according to claim 1, characterized in that: A loading bracket (102) with an H-shaped structure is provided on the top of the loading bracket (101), side rails (103) are fixedly connected to both sides of the loading bracket (102), a plurality of rollers (105) are evenly distributed between the two side rails (103), and a driving motor (104) is fixedly installed on the bottom of the loading bracket (101), the driving motor (104) is connected to one of the rollers in a transmission manner, and adjacent rollers are connected in a chain transmission manner.

3. The depalletizer according to claim 1, characterized in that: The lifting assembly (200) is composed of a longitudinal beam (201) and a cross beam (202). The top and bottom of the longitudinal beam (201) are fixedly connected to the cross beam (202). The longitudinal beam (201) is arranged around to form a main frame. The longitudinal beam (201) is arranged between the cross beams (202) on both sides of the main frame. The counterweight (204) is arranged on the outside of the longitudinal beam (201). The cross beam (202) is respectively fixedly connected to the two ends of the limiting rib (214), and the counterweight (204) is slidably connected to the inside of the limiting rib (214). The support plate (213) is arranged on the inside of the longitudinal beam (201), and a plurality of rollers (105) evenly distributed are arranged on the surface of the support plate (213).

4. The depalletizer according to claim 3, characterized in that: The driving mechanism is arranged on one side of the lifting assembly (200), and the driving mechanism is composed of a reducer (207) and a steering gear (210). The reducer (207) and the steering gear (210) are both fixedly mounted on the top of the motor frame (206). There are two steering gears (210) and they are symmetrically arranged on both sides of the motor frame (206). The reducer (207) is located in the middle of the motor frame (206). The reducer (207) is fixedly connected to the stepper motor (208). The output end of the stepper motor (208) is connected to the input shaft of the reducer (207), and the output shaft of the reducer (207) is fixedly connected to the transmission shaft (209). The other end of the transmission shaft (209) is connected to the input shaft of the steering gear (210), and the output shaft of the steering gear (210) is fixedly connected to the driven shaft (211).

5. The depalletizer according to claim 4, characterized in that: The steering gear (210) is composed of mutually meshing bevel gears, the ends of the two bevel gears are respectively connected to the transmission shaft (209) and the driven shaft (211) through couplings, both ends of the driven shaft (211) are rotatably connected to the inside of the longitudinal beam (201), and both ends of the driven shaft (211) located on the inner side of the longitudinal beam (201) are fixedly connected to sprockets (212), and the surface of the sprocket (212) is meshingly connected to the traction chain (205).

6. The depalletizer according to claim 1, characterized in that: The positioning assembly (300) is composed of a top beam (301), wherein the top beam (301) is a square structure fixedly mounted on the top of the longitudinal beam (201), wherein the top surfaces of the two top beams (301) are respectively fixedly connected with first guide rails (302) and first racks (303) distributed in parallel, and a first support plate (304) is provided above the top beam (301), and both ends of the first support plate (304) are slidably connected to the surface of the first guide rail (302), and a first motor (305) is fixedly mounted on the top of the first support plate (304), and the output end of the first motor (305) is fixedly connected with a first gear, and the first gear is meshingly connected with the first rack (303).

7. The depalletizer according to claim 1, characterized in that: A second support plate (307) is provided on one side of the first support plate (304); the surfaces of the second support plate (307) are respectively fixedly connected to the second guide rail (308) and the second rack (309); the mounting seat (310) is slidably connected to the surface of the second guide rail (308); a second motor (311) is fixedly mounted on the top of the mounting seat (310); a gear is fixedly connected to the output end of the second motor (311), and the gear is meshingly connected to the second guide rail (308).

8. The depalletizer according to claim 7, characterized in that: A third motor (312) arranged horizontally is fixedly mounted on the top of the mounting seat (310), and the third motor (312) is arranged on one side of the second motor (311). A vertically distributed lifting seat (313) is provided on one side of the mounting seat (310), and the lifting seat (313) is fixedly connected to the third guide rail (314) and the third rack (315) respectively. The output end of the second motor (311) is fixedly connected to the gear, and the gear is meshingly connected to the third rack (315).

9. The depalletizer according to claim 1, characterized in that: The blanking assembly (400) is composed of a blanking bracket (401), which is fixedly mounted on the side wall of the longitudinal beam (201), one end of the blanking bracket (401) is rotatably connected to the baffle (403), and the other end of the blanking bracket (401) is rotatably connected to a guide sleeve, and a long screw (402) is threadedly connected to the inside of the guide sleeve, and the other end of the long screw (402) is rotatably connected to the baffle (403).

10. The depalletizer according to claim 9, characterized in that: A material unloading side frame (404) is fixedly connected to the inner wall of the material unloading bracket (401), and both ends of the material unloading side frame (404) are rotatably connected to the conveying wheel. The conveying wheels are connected by a conveyor belt (406), and the conveyor belt (406) is correspondingly arranged under the two baffles (403). A conveying motor (405) is fixedly installed on the material unloading side frame (404), and the output end of the conveying motor (405) is fixedly connected to the conveying wheel via a steering gear (210).

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