A tray self-positioning floor unstacking and stacking device

By designing a pallet self-positioning and palletizing device, the problem of the AGV pallet trolley's arrival position error was solved, realizing automatic palletizing and depalletizing of material boxes, and improving the utilization rate of warehouse storage space and operating efficiency.

CN120348614BActive Publication Date: 2025-12-12HANGZHOU DECHUANG ELECTRONICS
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Patent Information

Application Number
CN202510645597.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2025-12-12
Estimated Expiration
2045-05-20

AI Technical Summary

Technical Problem

In automated warehouses, there is a positional error when the AGV trolley carrying the pallet arrives at the depalletizing station, resulting in inaccurate positioning of the material box. Existing equipment is unable to achieve accurate pallet positioning and efficient depalletizing.

Method used

Design a pallet self-positioning and unstacking/palletizing device, including a main frame, a lifting mechanism, a bin translation mechanism, a bin pallet positioning mechanism, and a bin picking and placing mechanism. The bin pallet positioning mechanism automatically centers and positions the material pallet, and the lifting mechanism and bin picking and placing mechanism together realize the automatic unstacking and stacking of the bins.

Benefits of technology

It enables automatic unstacking and stacking of material bins, improves the utilization rate of flat warehouse storage space, saves labor, and ensures the accuracy of material bin placement and stable operation of the device.

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Abstract

The application discloses a tray self-positioning floor unpacking and stacking device, which comprises a main body frame, a lifting mechanism, a material box translation mechanism, a material box tray positioning mechanism and a material box taking and placing mechanism. The lifting mechanism is arranged on the main body frame, the material box translation mechanism is reciprocally arranged on the lifting mechanism in an up-down mode, the material box taking and placing mechanism is reciprocally arranged on the material box translation mechanism in a front-rear mode, and the material box tray positioning mechanism is arranged at the bottom of the main body frame. The material box tray positioning mechanism is used for automatically positioning the material tray in the center, so that the material box taking and placing mechanism can accurately take and place the material box in the later period. Then, the lifting mechanism, the material box translation mechanism and the material box taking and placing mechanism are used for taking away the material box on the tray one by one through clamping and lifting during unpacking, and the material box is placed on the warehouse-in and warehouse-out conveying line to flow away. During stacking, the material box conveyed on the warehouse-in and warehouse-out conveying line is stacked on the material box tray one by one through clamping, lifting and stacking, so that the device saves labor, is efficient and stably operates.
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Description

TECHNICAL FIELD

[0001] The present application relates to a kind of pallet self-positioning ground dismantling and stacking device. BACKGROUND

[0002] In the warehouse of power metering automation warehouse mode is flat, to realize the storage of goods required, the storage of material box usually uses material box pallet as carrier to store in pile, the number of material box in pile is generally 10 or 12;When material box enters and exits the warehouse, it needs to be stacked and dismantled on the carrier through the matching dismantling and stacking device;In the automatic warehouse, the transfer of materials relies on AGV truck to carry, and there is a position error after AGV carries the pallet truck, the error position and direction are uncertain, and the material box is fixed on the pallet truck by positioning stop, so the pallet truck needs to be positioned after AGV carries the pallet truck to the material box dismantling and stacking station, so that the material box can be accurately taken and placed on the pallet.The design of a kind of pallet automatic positioning mechanism dismantling and stacking device is very necessary under this requirement.Therefore, a kind of pallet self-positioning ground dismantling and stacking device is needed. SUMMARY

[0003] The purpose of the present application is to solve the problems in the background art, and to provide a kind of pallet self-positioning ground dismantling and stacking device.

[0004] The above technical purpose of the present application is realized by the following technical scheme:

[0005] A kind of pallet self-positioning ground dismantling and stacking device, comprising main frame, lifting mechanism, material box translation mechanism, material box pallet positioning mechanism, material box taking and placing mechanism, the lifting mechanism is arranged on the main frame, the material box translation mechanism is reciprocally arranged on the lifting mechanism, the material box taking and placing mechanism is reciprocally arranged on the material box translation mechanism, and the material box pallet positioning mechanism is arranged at the bottom of the main frame.

[0006] The present application automatically positions the material pallet through the material pallet positioning mechanism, ensures that the material box taking and placing mechanism can accurately take and place the material box, and then through the lifting mechanism, material box translation mechanism and material box taking and placing mechanism, the material box on the pallet is taken away one by one through clamping and lifting when dismantling, and placed on the warehouse-in and warehouse-out conveying line to flow away, and the material box conveyed on the warehouse-in and warehouse-out conveying line is stacked on the material box pallet one by one through clamping, lifting and stacking when stacking, so as to realize the automatic dismantling and stacking of material box, improve the utilization rate of flat storage space, save labor, be efficient and stable.

[0007] The whole structure is compact, stable, high in allowable error, convenient to install and transport, and can be widely used in automatic intelligent warehouse to realize automatic warehouse-out and unstacking of whole-pile material boxes, one-by-one warehouse-in and stacking of scattered material boxes, improve the utilization rate of warehouse storage space, save labor, and efficiently and stably operate.

[0008] Preferably, the material box tray positioning mechanism comprises left and right positioning structures, each of which comprises a push rod structure, a positioning push plate and a V-shaped floating guide positioning block.

[0009] The V-shaped floating guide positioning block is in a V-shaped state in the initial state, rotates around the shaft during movement, generates a vertical thrust in the direction of movement of the positioning push plate, and is in an L-shaped state and adheres to the four corners of the material box tray after the positioning push plate is in place, thereby completing the centering and positioning of the material box tray, accurately positioning the material box tray, and ensuring that the position of the material box tray entering the device is accurate and consistent.

[0010] Preferably, the push rod structure comprises a rack push rod motor, two guide telescopic shafts and a mounting plate.

[0011] The rack push rod motor is fixedly connected with the positioning push plate, the two guide telescopic shafts are located on the two sides of the rack of the rack push rod motor, one end of the guide telescopic shaft is fixedly connected with the positioning push plate, the other end is connected with the mounting plate, and the mounting plate is fixed on the main body frame.

[0012] Preferably, the lifting mechanism comprises a servo reduction motor, a drive chain, a transmission shaft, a lifting chain sprocket, a lifting chain, and a chain driven sprocket.

[0013] The servo reduction motor drives the transmission shaft through the drive chain, the transmission shaft drives the chain to rotate, and the chain drives the material box translation mechanism to reciprocate up and down, thereby realizing the lifting movement of the material box translation mechanism and completing the up-and-down movement of the material box.

[0014] Preferably, the material box translation mechanism comprises a translation slide rail and a translation plate sliding on the translation slide rail, and the translation plate is driven by the translation slide rail to move back and forth, thereby completing the forward and backward movement of the material box.

[0015] Preferably, the material box taking and placing mechanism comprises a left clamping member and a right clamping member, and each of the left clamping member and the right clamping member comprises a taking and placing slide rail arranged on the translation slide rail and a taking and placing fork sliding on the taking and placing slide rail, and the sliding direction of the taking and placing fork is left and right.

[0016] The left and right movement of the taking and placing fork is completed by the taking and placing slide rail, thereby completing the taking and placing actions of the material box.

[0017] Preferably, the taking and placing fork comprises a horizontal plate, a vertical plate and a bottom plate, the bottom plate is connected with the vertical plate, the horizontal plate is located on the top of the vertical plate and is slidingly connected with the slide rail, and the horizontal plate and the vertical plate are vertically connected, and the vertical plate and the bottom plate are also vertically connected.

[0018] The bottom plate can clamp the flange of the material box, thereby achieving clamping of the material box.

[0019] Preferably, the side edge of the bottom plate is further provided with a turnover mechanism, the turnover mechanism comprises a driving electric push rod, a rack, a gear, a rotating shaft, a rotating bearing and a connecting block, the rotating shaft is arranged at the back side of the bottom plate, the gear is arranged at one end of the rotating shaft, the rotating bearing is arranged at the other end of the rotating shaft, the connecting block is fixedly connected with the vertical plate and the outer ring of the rotating bearing, the rack is engaged with the gear, the push rod end of the driving electric push rod is fixedly connected with the rack, and the motor end of the driving electric push rod is fixed on the side wall of the bottom plate.

[0020] The turnover mechanism is used to move the rack by driving the electric push rod when the side wall of the material box has no flange, thereby driving the gear to rotate, driving the bottom plate to turn over by 90 degrees, making the bottom plate turn over to be flush with the vertical plate, and enabling the material box without flange to be clamped by the clamping of the vertical plate, thereby enhancing the applicability of the device.

[0021] Preferably, the upper surface of the bottom plate is fixed with a flush transition plate, the turnover of the bottom plate can keep flush with the vertical plate after turnover by the flush transition, the clamping area can be increased by the flush transition plate, and the clamping effect is enhanced.

[0022] Preferably, the upper surface of the bottom plate is fixed with a flush transition plate, the top of the flush transition plate is provided with a plurality of compression springs, and the top end of the compression spring is provided with a pressing plate. The present application can make the bottom plate after turning into a part of the vertical plate to strengthen the clamping area and increase the clamping force, and the clamping force is strengthened through a plurality of compression springs.

[0023] In summary, the beneficial effects of the present application are:

[0024] 1. The material box tray positioning mechanism of the present application can automatically position the material tray, ensure the accurate position of the material box taking and placing mechanism, and then through the lifting mechanism, the material box translation mechanism and the material box taking and placing mechanism, the material box on the tray can be taken away one by one by clamping and lifting, and placed on the warehouse in / out conveying line to flow away, and when stacking, the material box conveyed on the warehouse in / out conveying line can be stacked on the material box tray one by one by clamping, lifting and stacking, so as to realize the automatic unstacking and stacking of the material box, improve the utilization rate of warehouse storage space, save labor, and run efficiently and stably.

[0025] 2. The present application drives the positioning push plate to move through the push rod structure, and the V-shaped floating guide positioning block is in V-shaped state in the initial state, rotates around the rotating shaft during the movement process, generates a vertical thrust in the direction of movement of the positioning push plate, and when the positioning push plate is in place, the V-shaped floating guide positioning block is in L-shaped state and is attached to the four corners of the material box tray, so as to complete the centering and positioning of the material box tray and accurately position the material box tray to ensure that the position of the material box tray entering the device each time is accurate and consistent.

[0026] 3. The bottom plate of the present application can clamp the flange of the material box, so as to realize the clamping of the material box.

[0027] 4. The present application drives the gear to rotate by driving the electric push rod to push the rack to move, so as to drive the bottom plate to turn 90 degrees, so that the bottom plate is flush with the vertical plate, so that the material box without flange can be clamped by the vertical plate to complete the clamping work, thereby enhancing the applicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic diagram of the whole application;

[0029] Figure 2 is an enlarged schematic diagram of B of the present application; Figure 1

[0030] Figure 3 is a schematic diagram of the back of the present application;

[0031] Figure 4 is a front view schematic diagram of the present application;​

[0032] Figure 5 is the schematic diagram of the material box after positioning of the present application;

[0033] Figure 6 is the schematic diagram of the material box tray positioning mechanism of the present application;

[0034] Figure 7 is the schematic diagram of the V-shaped floating guide positioning block of the present application;

[0035] Figure 8 is the schematic diagram of the material box taking and placing mechanism of the present application;

[0036] Figure 9 is the enlarged schematic diagram of A of the present application; Figure 8

[0037] Figure 10 is the schematic diagram of the material box taking and placing mechanism clamping the material box of the present application;

[0038] Figure 11 is the schematic diagram of the lifting mechanism of the present application;

[0039] Figure 12 is the schematic diagram of the overturning mechanism of the present application;

[0040] Figure 13 is the side view schematic diagram of the overturning mechanism of the present application;

[0041] Figure 14 is the schematic diagram of the main body frame of the present application;

[0042] Main body frame; 2, lifting mechanism; 3, material box translation mechanism; 5, material box tray positioning mechanism; 4, material box taking and placing mechanism; 6, left positioning structure; 7, right positioning structure; 521, push rod structure; 522, positioning push plate; 523, V-shaped floating guide positioning block; 513, rotating shaft; 512, reset torsional spring; 524, rack push rod motor; 525, guide telescopic shaft; 526, mounting plate; 21, servo reduction motor; 22, driving chain; 23, transmission shaft; 24, lifting chain sprocket; 25, lifting chain; 26, chain driven sprocket; 31, translation slide rail; 32, translation plate; 41, left clamping piece; 42, right clamping piece; 411, taking and placing slide rail; 412, taking and placing fork; 416, horizontal plate; 413, vertical plate; 414, bottom plate; 415, reinforcing plate; 6, overturning mechanism; 61, driving electric push rod; 62, rack; 63, gear; 64, rotating shaft; 65, rotating bearing; 66, connecting block; 67, flush transition plate; 671, compression spring; 672, extrusion plate. DETAILED DESCRIPTION

[0043] ​The following specific embodiments are merely illustrative of the present application, and are not intended to limit the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, and the modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

[0044] The present application will be described in detail below with reference to the embodiments in conjunction with the accompanying drawings. Embodiment

[0045] As Figures 1-4 shown, a tray self-positioning floor disassembling and stacking device includes a main frame 1, a lifting mechanism 2, a box translation mechanism 3, a box tray positioning mechanism 5, and a box taking and placing mechanism 4. The lifting mechanism 2 is arranged on the main frame 1. The box translation mechanism 3 is reciprocally arranged on the lifting mechanism 2. The box taking and placing mechanism 4 is reciprocally arranged on the box translation mechanism 3. The box tray positioning mechanism 5 is arranged at the bottom of the main frame 1. The device is arranged at the material inlet end of the roller conveying system. The roller line 8 extends into the device. According to the taking and placing task requirements, the material box 9 is taken from the box tray 60 to the roller line 8 or taken from the roller line 8 to the box tray 60 by the box translation mechanism 3. Four box tray floating support plates 7 are arranged on the ground inside the device. The main function is to reduce the force when the full load box tray is positioned, effectively protect the material tray support leg, prolong the service life of the box tray 60, and the side wall of the box is shaped with a flange for easy handling.

[0046] As Figure 14 shown, the main frame 1 is composed of a left vertical frame 10, a top frame 11, and a right vertical frame 12. Linear guides 13 are installed on the inner side surfaces of the left and right vertical frames for guiding. The installation position of the lifting mechanism 2 is reserved on the top frame 11.

[0047] As Figures 5-7As shown, the material box tray positioning mechanism 5 includes a left positioning structure 51 and a right positioning structure 52, both of which include a push rod structure 521, a positioning push plate 522, and V-shaped floating guide positioning blocks 523. The push rod structure 521 is fixed on the main body frame 1, the positioning push plate 522 is arranged at the output end of the push rod structure 521, and the V-shaped floating guide positioning blocks 523 are rotatably arranged at both ends of the right side of the positioning push plate 522. The bottom of the V-shaped floating guide positioning block 523 is provided with a rotating shaft 513, and the rotating shaft 513 is provided with a reset torsional spring 512. The push rod structure 521 includes a rack push rod motor 524, guide telescopic shafts 525, and a mounting plate 526. The rack of the rack push rod motor 524 is fixedly connected with the positioning push plate 522, and two guide telescopic shafts 525 are arranged on both sides of the rack of the rack push rod motor 524. One end of the guide telescopic shaft 525 is fixedly connected with the positioning push plate 522, and the other end is connected with the mounting plate 526. The mounting plate 526 is fixed on the main body frame 1.

[0048] As shown in the figure, Figure 11 The lifting mechanism 2 includes a servo reduction motor 21, a drive chain 22, a transmission shaft 23, a lifting chain sprocket 24, a lifting chain 25, and a chain driven sprocket 26. The transmission shaft 23 is arranged at the top of the main body frame 1, the lifting chain sprocket 24 is arranged at both ends of the transmission shaft 23, the chain driven sprocket 26 is arranged at the bottom of the lifting chain sprocket 24, the lifting chain 25 is arranged on the lifting chain sprocket 24 and the chain driven sprocket 26, and the servo reduction motor 21 is arranged at the top of the main body frame 1. The servo reduction motor 21 drives the transmission shaft 23 through the drive chain 22, and the two ends of the lifting chain 25 are respectively connected with the material box translation mechanism 3 to form a connected closed loop.

[0049] As shown in the figure, Figure 2 The material box translation mechanism 3 includes a translation slide rail 31 and a translation plate 32 sliding on the translation slide rail 31.

[0050] As shown in the figure, Figures 8-10 The material box taking and placing mechanism 4 includes a left clamping piece 41 and a right clamping piece 42, both of which include a taking and placing slide rail 411 arranged on the translation slide rail 31 and a taking and placing fork 412 sliding on the taking and placing slide rail 511. The sliding direction of the taking and placing fork 412 is left and right sliding. The taking and placing fork 412 includes a horizontal plate 416, a vertical plate 413, and a bottom plate 414. The bottom plate 414 is connected with the vertical plate 413, and the horizontal plate 416 is located at the top of the vertical plate 413 and is slidingly connected with the slide rail 411. The horizontal plate 416 and the vertical plate 413 are vertically connected, and the vertical plate 413 and the bottom plate 414 are also vertically connected. A reinforcing plate 415 is arranged between the vertical plate 413 and the bottom plate 414.

[0051] Working principle: as Figures 1-14 shown, when the AGV 50 carries a full or empty material box tray 60 into the material box tray positioning mechanism 5, the rack push rod motor 524 of the material box tray positioning mechanism 5 drives the positioning push plate 522 to extend from both sides, and the V-shaped floating guide positioning block 523 is in the initial V-shaped state. During movement, the V-shaped floating guide positioning block 523 rotates around the rotating shaft 513, generating a vertical thrust in the direction of movement of the positioning push plate 522. When the positioning push plate 522 is in place, the V-shaped floating guide positioning block 523 is in the L-shaped state and is attached to the four corners of the material box tray 60, completing the centering and positioning of the material box tray 60. Then, when it is necessary to disassemble the stack, the servo reducer motor 21 of the lifting mechanism 2 drives the transmission shaft 23 through the chain 15, and the transmission shaft 23 drives the chain 18 to rotate, thereby driving the material box translation mechanism to move up and down reciprocally, realizing the lifting movement of the material box translation mechanism 3, and completing the up and down movement of the material box 500. The translation plate 32 is driven to move reciprocally by the translation slide rail 31, thereby completing the forward and backward movement of the material box 500. The left and right movement of the fork 412 is completed by the taking and placing slide rail 511, thereby completing the action of the material box from the roller line to the material box tray 60 or from the material box tray 60 to the roller line, thereby realizing the automatic outbound disassembly of the whole stack of material boxes 500, and the one-by-one inbound stacking of the scattered material boxes, improving the utilization rate of the warehouse storage space, saving labor, being efficient and stable in operation. Embodiment

[0052] As Figures 12-13 shown, different from embodiment 1, the side of the bottom plate 414 is also provided with a turnover mechanism 6, the turnover mechanism 6 comprises a driving electric push rod 61, a rack 62, a gear 63, a rotating shaft 64, a rotating bearing 65, and a connecting block 66. The rotating shaft 64 is arranged at the rear side of the bottom plate 414. The gear 63 is arranged at one end of the rotating shaft 64. The rotating bearing 65 is arranged at the other end of the rotating shaft 64. The connecting block 66 is fixedly connected with the vertical plate 413 and the outer ring of the rotating bearing 65. The rack 62 is engaged with the gear 63. The push rod end of the driving electric push rod 61 is fixedly connected with the rack 62. The motor end of the driving electric push rod 61 is fixedly connected with the side wall of the bottom plate 414. The upper surface of the bottom plate 414 is fixedly connected with a flush transition plate 67. The top of the flush transition plate 67 is arrayed with a plurality of compression springs 671. The top end of the compression spring 671 is provided with a pressing plate 672.

Claims

1. A tray self-positioning floor de-palletizing device, characterized in that, The utility model relates to a kind of material box automatic loading and unloading machine, including main frame (1), lifting mechanism (2), material box translation mechanism (3), material box tray positioning mechanism (5), material box taking and placing mechanism (4), the lifting mechanism (2) is equipped in main frame (1), the material box translation mechanism (3) is reciprocatingly equipped in lifting mechanism (2) up and down, the material box taking and placing mechanism (4) is reciprocatingly equipped in material box translation mechanism (3) front and back, the material box tray positioning mechanism (5) is equipped in the bottom of main frame (1); The material box tray positioning mechanism (5) includes left positioning structure (51) and right positioning structure (52), the left positioning structure (51) and right positioning structure (52) each include push rod structure (521), positioning push plate (522), V-shaped floating guide positioning block (523), the push rod structure (521) is fixed on main frame (1), the positioning push plate (522) is equipped at the output end of push rod structure (521), the V-shaped floating guide positioning block (523) is rotatably equipped at both ends of the right side of positioning push plate (522), the bottom of V-shaped floating guide positioning block (523) is equipped with rotating shaft (513), the rotating shaft (513) is equipped with reset torsional spring (512); The lifting mechanism (2) includes servo reduction motor (21), drive chain (22), transmission shaft (23), lifting chain sprocket (24), lifting chain (25), chain driven sprocket (26), the transmission shaft (23) is equipped at the top of main frame (1), transmission shaft (23) both ends are arranged lifting chain sprocket (24), the chain driven sprocket (26) is equipped at the bottom of lifting chain sprocket (24), the lifting chain (25) is equipped on lifting chain sprocket (24) and chain driven sprocket (26), the servo reduction motor (21) is equipped at the top of main frame (1), servo reduction motor (21) drives transmission shaft (23) by drive chain (22), the both ends of lifting chain (25) are connected with material box translation mechanism (3) respectively, form connection closed loop; The material box translation mechanism (3) includes translation slide rail (31) and translation plate (32) sliding on translation slide rail (31); The material box taking and placing mechanism (4) includes left clamping piece (41) and right clamping piece (42), the left clamping piece (41) and right clamping piece (42) each include taking and placing slide rail (411) arranged on translation slide rail (31) and taking and placing fork (412) sliding on the taking and placing slide rail (411); The taking and placing fork (412) includes horizontal plate (416), vertical plate (413), bottom plate (414), the bottom plate (414) is connected with the vertical plate (413), the horizontal plate (416) is located at the top of vertical plate (413) and is slidably connected with slide rail (411) The side of the bottom plate (414) is also provided with a turnover mechanism (6), the turnover mechanism (6) comprises a driving electric push rod (61), a rack (62), a gear (63), a rotating shaft (64), a rotating bearing (65), a connecting block (66), the rotating shaft (64) is arranged at the rear side of the bottom plate (414), the gear (63) is arranged at one end of the rotating shaft (64), the rotating bearing (65) is arranged at the other end of the rotating shaft (64), the connecting block (66) is fixedly connected with the vertical plate (413) and the outer ring of the rotating bearing (65), the rack (62) is engaged with the gear (63), the push rod end of the driving electric push rod (61) is fixedly connected with the rack (62), and the motor end of the driving electric push rod (61) is fixed on the side wall of the bottom plate (414).

2. A tray self-positioning floor de-palletizing device according to claim 1, characterized in that, The push rod structure (521) comprises a rack push rod motor (524), a guide telescopic shaft (525) and a mounting plate (526), the rack of the rack push rod motor (524) is fixedly connected with the positioning push plate (522), two guide telescopic shafts (525) are located at the two sides of the rack of the rack push rod motor (524), one end of the guide telescopic shaft (525) is fixedly connected with the positioning push plate (522), the other end is connected with the mounting plate (526), and the mounting plate (526) is fixed on the main body frame (1).

3. A tray self-positioning floor de-palletizing device according to claim 1, characterized in that, The upper surface of the bottom plate (414) is fixedly provided with a flush transition plate (67), a plurality of compression springs (671) are arranged on the top of the flush transition plate (67), and extrusion plates (672) are arranged at the top ends of the compression springs (671).

Citation Information

Patent Citations

  • Multifunctional clamping tray-unstacking-stacking machine

    CN110937412A