Structure for stacking trays

Abstract

The utility model discloses a structure used for stacking trays, a base is provided with a transmission unit, the transmission unit comprises a support connected with the base, the support is rotatably provided with a driving rotating shaft and an auxiliary rotating shaft, the driving rotating shaft and the auxiliary rotating shaft are both sleeved with two transmission wheels, and the two transmission wheels located on the same side are connected through a transmission belt. A driving motor is arranged on the bracket; the output end of the driving motor is connected with the driving rotating shaft; the upward jacking unit comprises an upward jacking air cylinder, and an upward jacking piece is arranged at the output end of the upward jacking air cylinder. Material fixing units are arranged on the two sides of the support, each material fixing unit comprises a material fixing box arranged on the base, each material fixing box is provided with an inward pushing air cylinder, the output end of each inward pushing air cylinder is connected with two material fixing supporting plates through connecting pieces, and the material fixing supporting plates are connected with the material fixing boxes in a sliding mode. The utility model has the beneficial effects that the labor intensity of operators is reduced, the safety is improved, the operation is simple, the structural strength is high, the manufacturing cost is low, and the like.

Description

Technical Field

[0001] The utility model relates to a stacking structure, and more particularly to a structure for stacking pallets. Background Art

[0002] In logistics shipping, on the one hand, pallets facilitate the cooperation with mechanical equipment such as forklifts, reducing the labor intensity and time of manual handling, thus significantly improving the efficiency of loading and unloading operations; on the other hand, goods placed on pallets can be stacked neatly and regularly, making full use of the space in the warehouse.

[0003] When storing pallets, in order to increase the storage capacity of pallets in the warehouse, pallets need to be stacked to a certain height before storage. The existing method of stacking pallets is to directly stack them manually. On the one hand, since the pallet itself has a certain weight, at least two operators are required to cooperate during stacking. And as the stacking height increases, the stacking difficulty becomes greater and more physical strength is consumed. Not only is the labor intensity high, but the stacking efficiency is also low, which leads to the need for a larger space to temporarily store unstacked pallets. On the other hand, there will be an irregular stacking situation during manual stacking, which results in low stability after multiple pallets are overlapped. Operators are at risk of being injured by toppled pallets during stacking work, especially when transported by forklifts, the risk of pallet dropping is even higher.

[0004] Therefore, those skilled in the art are committed to providing a structure for stacking pallets that can effectively solve the above technical problems. Summary of the Utility Model

[0005] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is to provide a structure for stacking pallets that can effectively solve the above technical problems.

[0006] To achieve the above object, the utility model provides a structure for stacking pallets, including a base, a transmission unit is arranged on the base. The transmission unit includes a bracket connected to the base. An active rotating shaft and a driven rotating shaft are rotatably arranged on the bracket. Two transmission wheels are sleeved on both the active rotating shaft and the driven rotating shaft. The two transmission wheels on the same side are connected by a transmission belt. A driving motor is arranged on the bracket, and the output end of the driving motor is connected to the active rotating shaft.

[0007] The bracket is provided with two support frames that cooperate with the respective transmission belts. An opening is arranged at the upper end of the support frame, and a plurality of rotating support wheels are arranged in the opening. The upper half of each rotating support wheel extends out of the opening.

[0008] An upper pushing unit is arranged inside the bracket. The upper pushing unit includes an upper pushing cylinder, and an upper pushing member is arranged at the output end of the upper pushing cylinder;

[0009] Feeding units are arranged on both sides of the bracket. Each feeding unit includes a feeding box arranged on the base. Inner pushing cylinders are arranged on each feeding box. The output ends of the inner pushing cylinders are respectively connected to two feeding support plates through respective connecting members. The feeding support plates are slidably connected to the feeding box.

[0010] Furthermore, the bracket includes two support seats. The two ends of the driving rotating shaft and the driven rotating shaft are respectively rotatably connected to the inner sides of the respective support seats. A driving motor for driving the driving rotating shaft to rotate is arranged outside the support seat; the outer sides of the respective support frames are respectively detachably connected to the inner sides of the respective support seats.

[0011] Furthermore, the upper pushing unit further includes an upper pushing positioning box. The upper pushing positioning box is arranged on the base. The upper pushing cylinder is arranged inside the upper pushing positioning box. A positioning plate is arranged at the upper end of the upper pushing positioning box. The output end of the upper pushing cylinder extends out of the positioning plate movably and is connected to the lower end of the upper pushing member;

[0012] The upper pushing member is U-shaped. Top plates are arranged at both ends of the upper pushing member. First guiding rods are arranged at the four corners of the lower end of the upper pushing member. The respective first guiding rods are respectively slidably arranged on the positioning plate.

[0013] Furthermore, the connecting member includes a pushing plate. The pushing plate is connected to the output end of the inner pushing cylinder. The pushing plate is simultaneously connected to the outer sides of three guiding columns. The inner sides of the respective guiding columns are simultaneously connected to the outer side of a sliding seat. The cross section of the sliding seat is L-shaped. The inner side of the sliding seat is simultaneously connected to the respective feeding support plates. The sliding seat is slidably connected to the feeding box.

[0014] Furthermore, the number of inner pushing cylinders on each feeding box is two. The respective inner pushing cylinders are respectively detachably connected to the feeding box through respective cylinder mounting seats. The three guiding columns are located between the two inner pushing cylinders. The output ends of the two inner pushing cylinders are connected to the inner side of the pushing plate.

[0015] Furthermore, a guiding seat is arranged on the feeding box. The three guiding columns are slidably arranged on the guiding seat.

[0016] Furthermore, a sliding rail is arranged on the feeding box. The lower end of the sliding seat is slidably connected to the respective sliding rails through two sliders.

[0017] Furthermore, a closable and openable box door is arranged on the feeding box.

[0018] Further, it further includes a limiting unit disposed between two support bases, and the limiting unit includes a mounting box disposed on the base;

[0019] A limiting cylinder is disposed inside the mounting box. The output end of the limiting cylinder is connected to the lower end of a limiting member. Second guide rods are disposed on both sides of the lower end of the limiting member, and each of the second guide rods is slidably connected to both sides of the mounting box respectively.

[0020] The beneficial effects of the present utility model are as follows: On the one hand, the present utility model can replace manual stacking, effectively reducing the labor intensity of operators; on the other hand, it enhances the stability of stacking, thereby improving safety; on yet another hand, it will not affect the stacking efficiency due to the decline of the physical strength of operators as the operation time increases; in addition, it also has beneficial effects such as simple operation, high structural strength, low manufacturing cost, and not being easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of a specific embodiment of the present utility model.

[0022] Figure 2 is Figure 1 a partial enlarged structural diagram at A in

[0023] Figure 3 is a partial three-dimensional structural diagram of the present utility model.

[0024] Figure 4 is a schematic structural diagram of a plurality of rotating support wheels disposed inside a support frame in the present utility model.

[0025] Figure 5 is a schematic structural diagram of an upper pressing unit.

[0026] Figure 6 is a schematic structural diagram of a limiting unit.

[0027] Figure 7 is a schematic structural diagram of the connection between a connecting member and components such as a support plate.

[0028] Figure 8 is a schematic structural diagram of the present utility model in a stacked pallet.

[0029] Figure 9 is a schematic structural diagram of a pallet used in cooperation with the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0032] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "setting", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] As Figures 1 to 9 shown, a structure for stacking trays includes a base 1, a transmission unit 2 is arranged on the base 1. The transmission unit 2 includes a bracket 3 connected to the base 1. A driving rotating shaft 5 and a driven rotating shaft 6 are rotatably arranged on the bracket 3. Two transmission wheels 7 are sleeved on both the driving rotating shaft 5 and the driven rotating shaft 6. The two transmission wheels 7 on the same side are connected by a transmission belt 8. A driving motor 9 is arranged on the bracket 3, and the output end of the driving motor 9 is connected to the driving rotating shaft 5;

[0034] The bracket 3 is provided with two support frames 10 for cooperating with each transmission belt 8. An opening 11 is arranged at the upper end of the support frame 10, and a plurality of rotating support wheels 12 are arranged in the opening 11. The upper half of each rotating support wheel 12 extends out of the opening 11;

[0035] An upper pushing unit 13 is arranged inside the bracket 3. The upper pushing unit 13 includes an upper pushing air cylinder, and an upper pushing member 15 is arranged at the output end of the upper pushing air cylinder;

[0036] Fixed material units 16 are arranged on both sides of the bracket 3. The fixed material units 16 include fixed material boxes 17 arranged on the base 1. Inner pushing air cylinders 18 are arranged on each fixed material box 17. The output ends of the inner pushing air cylinders 18 are respectively connected to two fixed material support plates 20 through respective connecting members 19. The fixed material support plates 20 are slidably connected to the fixed material boxes 17.

[0037] The bracket 3 includes two support seats 21. Both ends of the driving rotating shaft 5 and the driven rotating shaft 6 are respectively rotatably connected to the inner sides of the respective support seats 21. The driving motor 9 for driving the rotation of the driving rotating shaft 5 is arranged outside the support seat 21. The outer sides of the respective support frames 10 are respectively detachably connected to the inner sides of the respective support seats 21.

[0038] During actual use, the heights of the support seat 21, the material feeding box 17, the installation box 50 and the upper top positioning box 22 should not be too high, which is convenient for the forklift to unload the stacked pallets.

[0039] The upper top unit 13 further includes an upper top positioning box 22. The upper top positioning box 22 is arranged on the base 1. The upper top cylinder is arranged inside the upper top positioning box 22. A positioning plate 23 is arranged at the upper end of the upper top positioning box 22. The output end of the upper top cylinder extends out of the positioning plate 23 movably and is connected to the lower end of the upper top member 15.

[0040] The upper top member 15 is U-shaped. Top plates 26 are arranged at both ends of the upper top member 15. First guide rods 27 are arranged at the four corners of the lower end of the upper top member 15. The respective first guide rods 27 respectively pass through the positioning plate 23 slidably.

[0041] The connecting member 19 includes a push plate 28. The push plate 28 is connected to the output end of the inner push cylinder 18. The push plate 28 is simultaneously connected to the outer sides of three guide columns 29. The inner sides of the respective guide columns 29 are simultaneously connected to the outer side of a sliding seat 30. The cross section of the sliding seat 30 is L-shaped. The inner side of the sliding seat 30 is simultaneously connected to the respective material feeding support plates 20. The sliding seat 30 is slidably connected to the material feeding box 17.

[0042] The number of inner push cylinders 18 on each material feeding box 17 is two. The respective inner push cylinders 18 are respectively detachably connected to the material feeding box 17 through respective cylinder mounting seats 31. The three guide columns 29 are located between the two inner push cylinders 18. The output ends of the two inner push cylinders 18 are connected to the inner side of the push plate 28.

[0043] A guide seat 32 is arranged on the material feeding box 17. The three guide columns 29 pass through the guide seat 32 slidably.

[0044] A slide rail 33 is arranged on the material feeding box 17. The lower end of the sliding seat 30 is respectively slidably connected to the respective slide rails 33 through two sliders 35. A box door 37 that can be closed and opened is arranged on the material feeding box 17.

[0045] It further includes a limiting unit 38 disposed between two support seats 21. The limiting unit 38 includes a mounting box 50 disposed on the base 1. A limiting cylinder is disposed inside the mounting box 50. The output end of the limiting cylinder is connected to the lower end of a limiting member 51. Second guide rods 52 are disposed on both sides of the lower end of the limiting member 51. Each of the second guide rods 52 is slidably connected to both sides of the mounting box 50 respectively.

[0046] The upper end of a tray 99 used in cooperation with the present utility model is provided with a plurality of limiting grooves 98, and the lower end of the tray 99 is provided with a plurality of support feet 97 used in cooperation with the respective limiting grooves 98. By providing the cooperation of the limiting grooves 98 and the support feet 97, the stability of the tray 99 during stacking is further improved.

[0047] The optimal working principle of the present utility model is as follows:

[0048] During use, the trays to be overlapped are placed on the conveyor belt 8. For the convenience of distinction and more detailed description of the working principle, the first tray placed on the conveyor belt is represented by T1 at this time;

[0049] The driving motor 9 is driven to drive the driving rotating shaft 5 to rotate, so that the conveyor belt 8 moves. The first tray (T1) is conveyed above the upper top unit 13 by the movement of the conveyor belt 8 and then stops. As a preference, the present utility model is provided with the limiting unit 38, and the tray is limited by the limiting unit 38 until the tray contacts the limiting member 51 and then stops. Subsequently, the upper top cylinder is used to jack up the upper top member 15. The first tray 99 (T1) is jacked up by the rising upper top member 15. Subsequently, the two fixed material support plates 20 on both sides are inserted into the first tray 99 (T1), so as to lift the first tray (T1). At this time, the upper top member 15 is retracted by the upper top cylinder;

[0050] The overlapping second tray is represented by T2

[0051] The second tray (T2) stops after being conveyed above the upper lifting unit 13 by the conveyor belt 8. At this time, the second tray (T2) is exactly below the first tray (T1). Subsequently, the second tray (T2) is lifted upward by the upper lifting unit 13. When the support feet 97 of the first tray (T1) are inserted into the limit slots 98 of the second tray (T2), it stops. Then, the inner pushing cylinder 18 retracts the material positioning support plate 20. At this time, the first tray (T1) is no longer supported by the material positioning support plate 20 but is located on the second tray (T2). At this time, the upper lifting cylinder continues to push the first tray (T1) and the second tray (T2) upward until the second tray (T2) rises between the respective material positioning support plates 20. At this time, the inner pushing cylinder 18 is used to push the respective material positioning support plates 20 inward, so that the respective material positioning support plates 20 are inserted on the second tray (T2) and support it. At this time, the upper lifting cylinder can retract the upper lifting member 15 to start stacking the next tray;

[0052] When the stacking of the last tray is completed, the upper lifting member 15 is used to lift each tray. Then, the inner pushing cylinder 18 retracts the material positioning support plate 20. Finally, the upper lifting member 15 is retracted, so that each tray is supported by the conveyor belt 8, and the conveyor belt 8 is supported by the respective rotating support wheels 12 on the support frame 10. Then, the limiting cylinder is used to drive the limiting member 51 to descend. Finally, when the forklift (not shown in the figure) drives to the side of the limiting unit 38, the stacked trays can be forklifted away.

[0053] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations according to the concept of the present invention without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of the present invention based on the concept of the present invention through logical analysis, reasoning, or limited experiments on the basis of the prior art should be within the protection scope determined by the claims.

Claims

1. A structure for stacking pallets, characterized by: The invention comprises a base (1), wherein a transmission unit (2) is arranged on the base (1), wherein the transmission unit (2) comprises a bracket (3) connected to the base (1), wherein a driving shaft (5) and an auxiliary shaft (6) are rotatably arranged on the bracket (3), wherein two transmission wheels (7) are sleeved on the driving shaft (5) and the auxiliary shaft (6), and wherein the two transmission wheels (7) located on the same side are connected via a transmission belt (8), wherein a driving motor (9) is arranged on the bracket (3), and wherein an output end of the driving motor (9) is connected to the driving shaft (5); The bracket (3) is provided with two support frames (10) used in conjunction with the conveyor belts (8); an opening (11) is provided at the upper end of the support frame (10); a plurality of rotating support wheels (12) are provided in the opening (11); the upper half of each rotating support wheel (12) extends out of the opening (11); An upper push unit (13) is arranged in the bracket (3), and the upper push unit (13) comprises an upper push cylinder, and an upper push piece (15) is arranged at the output end of the upper push cylinder; A material metering unit (16) is provided on both sides of the bracket (3), and the material metering unit (16) includes a material metering box (17) arranged on the base (1), and each of the material metering boxes (17) is provided with an inner push cylinder (18), and the output end of each inner push cylinder (18) is connected to two material metering support plates (20) through respective connecting pieces (19), and the material metering support plates (20) are slidably connected to the material metering box (17).

2. The structure for stacking trays according to claim 1, characterized in that: The bracket (3) comprises two support seats (21), the two ends of the active rotating shaft (5) and the auxiliary rotating shaft (6) are respectively rotatably connected to the inner side of each support seat (21), and a driving motor (9) for driving the active rotating shaft (5) to rotate is arranged on the outer side of the support seat (21); the outer side of each support frame (10) is respectively detachably connected to the inner side of each support seat (21).

3. The structure for stacking trays according to claim 2, characterized in that: The upper lift unit (13) further comprises an upper lift positioning box (22), the upper lift positioning box (22) being arranged on the base (1), the upper lift cylinder being arranged in the upper lift positioning box (22), a positioning plate (23) being arranged at the upper end of the upper lift positioning box (22), the output end of the upper lift cylinder movably extending out of the positioning plate (23) and being connected to the lower end of the upper lift member (15); The upper push piece (15) is U-shaped, and both ends of the upper push piece (15) are provided with a top plate (26). The four corners of the lower end of the upper push piece (15) are provided with a first guide rod (27), and each of the first guide rods (27) is slidably inserted into the positioning plate (23).

4. The structure for stacking trays according to claim 3, characterized in that: The connecting member (19) includes a push plate (28), and the push plate (28) is connected to the output end of the inner push cylinder (18). The push plate (28) is also connected to the outer sides of three guide columns (29). The inner sides of the guide columns (29) are also connected to the outer sides of the slide seat (30). The cross section of the slide seat (30) is L-shaped. The inner side of the slide seat (30) is also connected to the material fixing support plates (20). The slide seat (30) is slidably connected to the material fixing box (17).

5. The structure for stacking trays according to claim 4, characterized in that: There are two inner push cylinders (18) on each of the material fixing boxes (17), and each of the inner push cylinders (18) is detachably connected to the material fixing box (17) via a cylinder mounting seat (31). Three guide columns (29) are located between the two inner push cylinders (18), and the output ends of the two inner push cylinders (18) are connected to the inner side of the push plate (28).

6. The structure for stacking trays according to claim 5, characterized in that: The fixed material box (17) is provided with a guide seat (32), and three guide pillars (29) are slidably arranged on the guide seat (32).

7. The structure for stacking trays according to claim 6, characterized in that: The material fixing box (17) is provided with a slide rail (33), and the lower end of the slide seat (30) is slidably connected to each of the slide rails (33) via two sliding blocks (35).

8. The structure for stacking trays according to claim 6, characterized in that: The material fixing box (17) is provided with a box door (37) which can be closed and opened.

9. The structure for stacking trays according to claim 8, characterized in that: It also includes a limiting unit (38) arranged between the two support seats (21), and the limiting unit (38) includes a mounting box (50) arranged on the base (1); A limit cylinder is arranged in the installation box (50), the output end of the limit cylinder is connected to the lower end of the limit member (51), and second guide rods (52) are arranged on both sides of the lower end of the limit member (51), and each of the second guide rods (52) is slidably connected to the two sides of the installation box (50).

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