Floor type tray folding and unfolding machine

Abstract

The utility model discloses a floor type tray folding and unfolding machine, which relates to the field of logistics and intelligent warehousing, and comprises a rack, a lifting mechanism is arranged on the rack, and the lifting mechanism comprises a lifting support and a lifting driving mechanism; a stretching fork mechanism is arranged on the lifting support, the lifting driving mechanism is connected with the lifting support, and the lifting driving mechanism drives the lifting support to ascend or descend relative to the rack and collects and stacks trays or disassembles the trays through the stretching fork mechanism; the floor type tray disassembling and stacking machine can be in butt joint with an AGV or manual work, and automatic collection and stacking of trays are achieved through cooperative work of the lifting mechanism and the stretching and forking mechanism.

Description

Technical Field

[0001] The utility model relates to the field of logistics and intelligent warehousing, and in particular to a floor-standing tray stacking and unstacking machine. Background Art

[0002] Pallets are important carriers widely used in production, transportation, warehousing and logistics. With the rapid development of intelligent logistics and intelligent warehousing, pallet operation has become one of the most important operation modes in modern logistics and production. When in use, a large number of empty pallets need to be stacked and stored to reduce floor space, and the stacked empty pallets need to be quickly disassembled and put into production and circulation.

[0003] Pallet unpacking and stacking machines, also known as intelligent pallet warehouses, effectively unify the unpacking and stacking of pallets and are widely used in automated warehouses and modern packaging production lines. When in use, pallet unpacking and stacking machines are applied to pallet conveying systems and used in combination with various conveyors to recover empty pallets on conveyor lines or distribute empty pallets to conveyor lines. Pallet unpacking and stacking machines are divided into online and offline (ground-standing) types according to their working mode. At present, most pallet unpacking and stacking machines are online, installed at the entrance and exit of the conveying system, and cooperate with the conveying system to complete the unpacking and stacking work. Online pallet unpacking and stacking machines are mainly used for the automated stacking or unpacking of pallets that circulate in a closed loop in the conveying system.

[0004] Due to the diverse operating modes of modern logistics or warehousing systems, many pallets need to circulate outside the conveying system, but the stacking or splitting of pallets is difficult to achieve on the work surface. Therefore, a floor-standing pallet destacking machine is needed to complete the stacking or splitting of pallets on the work surface. Summary of the invention

[0005] In view of the problem that it is difficult to stack or split pallets on a work surface in the prior art, the utility model provides a floor-standing pallet splitting and unstacking machine that can be connected to an AGV forklift to collect empty pallets outside a conveying system.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a floor-standing pallet destacking machine, comprising a frame, a lifting mechanism is arranged on the frame, the lifting mechanism comprises a lifting bracket and a lifting drive mechanism; a fork mechanism is arranged on the lifting bracket, the lifting drive mechanism is connected to the lifting bracket, the lifting drive mechanism drives the lifting bracket to rise or fall relative to the frame and collects, stacks or destacking the pallets through the fork mechanism.

[0007] Preferably, the frame includes two side brackets distributed symmetrically on the left and right, a top bracket arranged above the side brackets, a first connecting rod and a second connecting rod arranged behind the side brackets, and a plurality of buffer mounting brackets and buffers symmetrically arranged on the side brackets.

[0008] The lifting drive mechanism includes a first guide rail and a first slider symmetrically arranged on both sides of the lifting bracket and connected to the side bracket, a lifting sprocket arranged at the bottom of the side bracket, and a chain screw symmetrically arranged on the lifting bracket from top to bottom;

[0009] It also includes a bearing seat symmetrically arranged on the top bracket, a lifting shaft running through the two bearing seats, lifting sprockets symmetrically arranged at both ends of the lifting shaft, and a second chain connecting the upper and lower lifting sprockets and the lifting bracket;

[0010] It also includes a second sprocket wheel arranged on the lifting shaft, a lifting motor and a first sprocket wheel arranged on the top bracket to drive the lifting shaft, and a first chain connected between the first sprocket wheel and the second sprocket wheel;

[0011] The lifting motor drives the lifting shaft to rotate through the first sprocket, the first chain and the second sprocket, thereby driving the lifting bracket to rise or fall.

[0012] Preferably, the lifting drive mechanism further comprises a second chain that drives the lifting bracket to slide up and down with a buffer as a hard limit.

[0013] Preferably, the lifting mechanism further comprises a laser rangefinder arranged on the top bracket, and the laser rangefinder is mounted on the top bracket via a rangefinder mounting bracket.

[0014] Preferably, the fork extension mechanism includes a fork extension motor installed on the inner side of the lifting bracket, a second guide rail and a second slider symmetrically arranged at the bottom of the lifting bracket, and a Z-shaped fork plate installed on the second slider, wherein two fork plates are provided and the two fork plates are connected by a guide plate.

[0015] Preferably, the fork extension mechanism further comprises a swing shaft arranged on the output shaft of the fork extension motor, and two bearings are arranged on the swing shaft; the bearings are arranged in the gap between the two guide plates.

[0016] Preferably, it also includes a guide mechanism arranged inside the frame, the guide mechanism includes a fixed seat arranged on the side bracket, a guide connecting piece arranged on the fixed seat, a vertically arranged guide piece, and a nylon slide installed on the guide piece; the guide pieces on the same side are connected by a transverse connecting piece.

[0017] Preferably, it also includes a lifting position detection component, which includes a position detection bracket vertically arranged on the side bracket, a proximity switch bracket and a travel switch bracket arranged on the position detection bracket, and a proximity switch and a travel switch arranged thereon.

[0018] Preferably, tray detection brackets for installing the beam switch are installed on both sides of the bottom of the rack.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the floor-standing pallet unpacking and stacking machine can be docked with AGV or manual operation, and through the coordinated work of the lifting mechanism and the fork extension mechanism, it realizes the automatic collection and stacking of pallets, improves operating efficiency, and reduces the need for manual intervention. At the same time, it has the advantages of simple structure, stable operation, and low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0022] Figure 3 It is the right view of the utility model.

[0023] Figure 4 It is a top view of the utility model.

[0024] Figure 5 It is a schematic diagram of the structure of the fork extension mechanism of the utility model.

[0025] In the figure:

[0026] 1-frame; 2-guide mechanism; 3-lifting mechanism; 4-fork extension mechanism; 5-lifting position detection component; 6-protection device; 7-ground anchor; 8-empty pallet;

[0027] 101-side bracket; 102-top bracket; 103-first connecting rod; 104-second connecting rod; 105-buffer; 106-buffer mounting bracket; 107-tray detection bracket; 108-reflection switch;

[0028] 201-fixed seat; 202-guide connecting piece; 203-transverse connecting piece; 204-guide piece; 205-nylon slide plate;

[0029] 301-first guide rail; 302-lifting bracket; 303-first slider; 304-lifting shaft; 305-bearing seat; 306-lifting sprocket; 307-first chain; 308-first sprocket; 309-second sprocket; 310-second chain; 311-lifting motor; 312-chain screw; 313-lifting detection plate; 314-rangefinder mounting bracket; 315-laser rangefinder;

[0030] 401-second guide rail; 402-second slider; 403-fork plate; 404-guide plate; 405-fork extension motor; 406-swing shaft; 407-bearing; 408-fork extension position detection bracket;

[0031] 501-position detection bracket; 502-proximity switch bracket; 503-proximity switch; 504-travel switch bracket; 505-travel switch. DETAILED DESCRIPTION

[0032] refer to Figure 1-5 As shown, the utility model provides a floor-standing disc stacking machine, including a frame 1 with a three-dimensional frame structure, a guide mechanism 2 arranged inside the frame 1, a lifting mechanism 3 symmetrically distributed on both sides of the frame 1, a fork mechanism 4 arranged on the lifting mechanism 3, and a lifting position detection component 5 arranged on the frame 1.

[0033] Specifically, the frame 1 includes two side brackets 101 that are symmetrically distributed, a top bracket 102 disposed on the side brackets 101, a first connecting rod 103 and a second connecting rod 104 disposed behind the side brackets 101, and a plurality of buffer mounting brackets 106 and buffers 105 that are symmetrically arranged on the side brackets 101. In this embodiment, the number of buffers 105 on each side bracket 101 is 4; the frame 1 adopts a three-dimensional frame structure and a symmetrically distributed design, so that the entire destacking machine structure is more stable and the reliability of operation is improved.

[0034] The guide mechanism 2 is arranged inside the frame 1, including a plurality of fixing seats 201 arranged on the side brackets 101, guide connectors 202 arranged on the fixing seats 201, guide members 204 arranged vertically, and nylon slide plates 205 installed on the guide members 204; the guide members 204 on both sides are connected by transverse connectors 203. In this embodiment, the number of guide members 204 is 6, two in a group, arranged on both sides and the rear side of the frame 1. The lower part of the guide member 204 is a trumpet shape, which cooperates with the nylon slide plate 205 to play a guiding role in the process of stacking and disassembling the trays, and prevents the pallet stack from shifting or tipping over. The nylon slide plate 205 is made of nylon and has self-lubricating properties, which prevents noise from being generated when rubbing against the steel pallet and damaging the paint surface of the pallet.

[0035] The lifting mechanism 3 includes a lifting drive mechanism and a lifting bracket 302. The lifting drive mechanism includes a lifting bracket 302 arranged on the side bracket 101, a first guide rail 301 and a first slider 303 symmetrically arranged on both sides of the lifting bracket 302 and connected to the side bracket 101, a lifting sprocket 306 arranged at the bottom of the side bracket 101, and a chain screw 312 symmetrically arranged on the lifting bracket 302.

[0036] The lifting mechanism 3 further includes a bearing seat 305 symmetrically arranged on the top bracket 102, a lifting shaft 304 running through the two bearing seats 305, a lifting sprocket 306 symmetrically arranged at both ends of the lifting shaft 304, and a second chain 310 connecting the upper and lower lifting sprockets 306 and the lifting bracket 302. The two ends of the second chain 310 are connected to the lifting bracket 302 through two chain screws 312. The lifting bracket 302 can slide up and down driven by the second chain 310 with the buffer 105 as a hard limit.

[0037] The lifting mechanism 3 also includes a second sprocket 309 arranged on the lifting shaft 304, a lifting motor 311 and a first sprocket 308 arranged on the top bracket 102 to drive the lifting shaft 304, a first chain 307 connected between the first sprocket 308 and the second sprocket 309, a rangefinder mounting bracket 314 and a laser rangefinder 315 arranged on the top bracket 102; the lifting mechanism 3 also includes a lifting detection plate 313, and the lifting detection plate 313 is used to detect the position of the lifting mechanism 3.

[0038] The laser rangefinder 315 can detect the number of trays in the current disc removal working position, which is convenient for intelligent management and monitoring and helps to understand the system status in real time.

[0039] The fork extension mechanism 4 includes a fork extension motor 405 installed inside the lifting bracket 302, a second guide rail 401 and a second slider 402 symmetrically arranged at the bottom of the lifting bracket, a Z-shaped fork plate 403 installed on the second slider 402, and a guide plate 404 connecting the two fork plates 403. Each set of fork extension mechanisms 4 has two guide plates 404, and there is a fixed gap between the guide plates.

[0040] The fork extension mechanism 4 further includes a swing shaft 406 disposed on the output shaft of the fork extension motor 405, and two bearings 407 are disposed on the swing shaft. The bearings 407 are disposed in the gap between the two guide plates 404, and when the fork extension motor 405 rotates, the two fork plates 403 connected together are driven to extend and retract; the fork extension mechanism 4 further includes a fork extension position detection bracket 408, and the fork extension position detection bracket 408 is used to install a detection mechanism for detecting the position of the fork extension mechanism, thereby ensuring that the fork extension mechanism is extended and retracted at an appropriate position.

[0041] The lifting position detection assembly 5 includes a position detection bracket 501 vertically arranged on the side bracket 101, a plurality of proximity switch brackets 502 and a travel switch bracket 504 arranged on the position detection bracket 501, and a proximity switch 503 and a travel switch 505 arranged thereon. The number of the proximity switches 503 is at least three, and the number of the travel switches 505 is at least two; the lifting position detection assembly 5 realizes accurate detection of the movement position of the machine through the combination of the proximity switches and the travel switches, ensuring accurate positioning at different operation stages.

[0042] The protection device 6 is installed on the outside of the side bracket 101 to avoid possible personal injuries caused by moving parts and improve operational safety.

[0043] The anchor fixing member 7 is a device for fixing the destacking machine. In practical applications, it can have various forms, such as anchor bolts and chemical bolts. Through the anchor fixing member 7, the destacking machine can be firmly fixed to the ground, thereby increasing the stability and safety of the entire system. Obviously, in order to achieve the fixation of the destacking machine, other forms of installation can also be used.

[0044] The bottom sides of the frame 1 are provided with tray detection brackets 107 for installing a beam switch 108, which can detect whether there is an empty tray in the current working area; the detection of whether there is an empty tray in the current working area is realized, thereby improving the intelligence and adaptability of the system.

[0045] When stacking, the first empty pallet 8 is sent into the working area of ​​the destacker by AGV or manual forklift, and the lifting motor 311 drives the lifting shaft 304 to rotate through the first sprocket 308, the first chain 307, and the second sprocket 309, driving the lifting bracket 302 to descend to the height for picking up goods. The output shaft of the fork extension motor 405 rotates 180°, and the fork plate 403 connected with the guide plate 404 under the drive of the swing shaft 406 extends under the guidance of the second guide rail 401 and inserts into the empty pallet. The lifting motor 311 drives the lifting bracket 302 and the fork extension mechanism 4 installed thereon to rise together with the empty pallet to the stop height, and the second empty pallet is sent in. The lifting mechanism 3 drives the fork extension mechanism 4 to descend to the middle height, and the fork plate 403 retracts. The lifting mechanism 3 drives the fork extension mechanism 4 to descend to the height for picking up goods, and the fork plate 403 extends and inserts into the second empty pallet.

[0046] Repeat the above steps to complete the collection and stacking of empty pallets.

[0047] During the pallet removal process, the empty pallet is sent to the working area of ​​the pallet removal machine by the AGV or a manual forklift, the lifting motor 311 drives the lifting bracket 302 to descend to the middle height, the fork plate 403 extends and inserts into the second empty pallet, the lifting motor 311 drives the lifting bracket 302 to rise to the stop height, at which time the first empty pallet at the bottom is separated, the AGV or manual forklift transports the first empty pallet away, the lifting motor 311 drives the lifting bracket 302 to descend to the picking height, and the fork plate 403 retracts. Repeat the above actions, the pallet removal machine separates the empty pallets one by one and then transports them away by the AGV or manual forklift, completing the pallet removal process.

[0048] The utility model discloses a floor-standing pallet unpacking and stacking machine, in which the ground is the cargo picking surface and can be docked with an AGV or manual operation. The lifting mechanism and the fork extension mechanism work in coordination to realize automatic collection and stacking of pallets, thereby improving operation efficiency and reducing the need for manual intervention. The utility model has the advantages of simple structure, stable operation and low manufacturing cost.

Claims

1. A floor-standing disc unpacking machine, characterized in that: The invention comprises a frame (1), wherein a lifting mechanism (3) is arranged on the frame (1), and the lifting mechanism (3) comprises a lifting bracket (302) and a lifting drive mechanism; a fork extension mechanism (4) is arranged on the lifting bracket (302), and the lifting drive mechanism is connected to the lifting bracket (302), and the lifting drive mechanism drives the lifting bracket (302) to rise or fall relative to the frame (1) and collects, stacks or disassembles pallets through the fork extension mechanism (4); The lifting drive mechanism comprises a first guide rail (301) and a first slider (303) symmetrically arranged on both sides of the lifting bracket (302) and connected to the side bracket (101), a lifting sprocket (306) arranged at the bottom of the side bracket (101), and a chain screw (312) symmetrically arranged on the lifting bracket (302) in an upper and lower manner; It also includes a bearing seat (305) symmetrically arranged on the top bracket (102), a lifting shaft (304) passing through the two bearing seats (305), lifting sprockets (306) symmetrically arranged at both ends of the lifting shaft (304), and a second chain (310) connecting the upper and lower lifting sprockets (306) and the lifting bracket (302); It also includes a second sprocket (309) arranged on the lifting shaft (304), a lifting motor (311) and a first sprocket (308) arranged on the top bracket (102) to drive the lifting shaft (304), and a first chain (307) connected between the first sprocket (308) and the second sprocket (309); The lifting motor (311) drives the lifting shaft (304) to rotate through the first sprocket (308), the first chain (307), and the second sprocket (309), thereby driving the lifting bracket (302) to rise or fall; The lifting mechanism (3) further comprises a laser rangefinder (315) arranged on the top bracket (102), wherein the laser rangefinder (315) is mounted on the top bracket (102) via a rangefinder mounting bracket (314); The fork extension mechanism (4) comprises a fork extension motor (405) installed inside the lifting bracket (302), a second guide rail (401) and a second slider (402) symmetrically arranged at the bottom of the lifting bracket (302), and a Z-shaped fork plate (403) installed on the second slider (402), wherein two fork plates (403) are provided and the two fork plates (403) are connected via a guide plate (404); The machine also comprises a guide mechanism (2) arranged inside the frame (1), the guide mechanism (2) comprising a fixing seat (201) arranged on the side bracket (101), a guide connecting member (202) arranged on the fixing seat (201), a vertically arranged guide member (204), and a nylon slide plate (205) mounted on the guide member (204); the guide members (204) on the same side are connected via a transverse connecting member (203).

2. The floor-standing disc destacking machine according to claim 1, characterized in that: The frame (1) comprises two side brackets (101) that are symmetrically distributed on the left and right, a top bracket (102) arranged on the side brackets (101), a first connecting rod (103) and a second connecting rod (104) arranged behind the side brackets (101), and a plurality of buffer mounting brackets (106) and buffers (105) that are symmetrically arranged on the side brackets (101).

3. The floor-standing disc destacking machine according to claim 2, characterized in that: The lifting drive mechanism also includes a second chain (310) that drives the lifting bracket (302) to slide up and down with the buffer (105) as a hard limit.

4. The floor-standing disc destacking machine according to claim 1, characterized in that: The invention also comprises a lifting position detection assembly (5), wherein the lifting position detection assembly (5) comprises a position detection bracket (501) vertically arranged on the side bracket (101), a proximity switch bracket (502) and a travel switch bracket (504) arranged on the position detection bracket (501), and a proximity switch (503) and a travel switch (505) arranged on the position detection bracket (501).

5. The floor-standing disc destacking machine according to claim 1, characterized in that: Tray detection brackets (107) for mounting a beam switch (108) are mounted on both sides of the bottom of the frame (1).

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