A plastic lunch box conveying and stacking device
By introducing a correction and transfer device into the plastic lunch box conveying and stacking equipment, the problems of lunch boxes shifting and collapsing during the stacking process are solved, enabling stable and rapid stacking and convenient transfer of lunch boxes, thus improving work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN HUANYU ZHONGTENG TECH CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-06-30
AI Technical Summary
Existing plastic lunchbox conveying and stacking equipment is prone to problems such as lunchbox shifting or collapse during the stacking process.
The device employs components such as a correction device, base plate, support plate, shelf, baffle, cylinder, fixed base, telescopic rod, and limit frame. It corrects the deviation by having the correction rollers fit against the lunch boxes, and uses the cooperation of the cylinder and telescopic rod to achieve stable stacking of the lunch boxes. The transfer device achieves stable transfer of lunch boxes through slide rails and clamping devices.
It enables stable and rapid stacking of lunch boxes and convenient material transfer, thus improving work efficiency.
Smart Images
Figure CN224429435U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lunch box stacking technology, specifically a plastic lunch box conveying and stacking device. Background Technology
[0002] With economic development and the accelerated pace of life, lunch boxes are widely used in daily life, serving as the main containers for takeout packaging and preservation in supermarket refrigerated display cases. Lunch boxes are mainly divided into foam lunch boxes, plastic lunch boxes, and paper lunch boxes. Among them, foam lunch boxes are gradually being phased out due to their inability to withstand high temperatures and the environmental damage caused by their manufacturing process; paper lunch boxes are also not widely used due to their high production costs and poor overall stability affected by the material; plastic lunch boxes, on the other hand, have become the mainstream lunch boxes in daily life due to their high melting point, strong plasticity, simple production, and relatively low cost. After processing, plastic lunch boxes need to be stacked to increase their convenience for storage, packaging, and subsequent transportation. In current technology, processed plastic lunch boxes are stacked using conveyor stacking equipment.
[0003] Existing conveying and stacking equipment is widely used, but existing conveying devices usually do not have correction devices. During the conveying and stacking of lunch boxes, the lunch boxes are prone to shifting or collapsing. Therefore, a plastic lunch box conveying and stacking device is proposed to address the above problems. Utility Model Content
[0004] The purpose of this invention is to provide a plastic lunchbox conveying and stacking device to solve the problem mentioned in the background art that the lunchboxes are prone to shifting or collapsing during the stacking process.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A plastic lunchbox conveying and stacking device includes a conveying device and multiple lunchbox bodies disposed at the top and one side of the conveying device. Correction devices are symmetrically installed on the front and rear sides of the conveying device. A base plate is provided on the right side of the conveying device. Multiple support plates are fixedly connected to the top of the base plate, and a shelf is fixedly connected to the top of each support plate. A horizontally arranged baffle is fixedly connected to the top of the shelf. Vertically arranged cylinders are fixedly connected between the multiple support plates. The cylinders penetrate the shelf and are slidably connected to it. Fixed seats are symmetrically arranged on both sides of the baffle and fixedly connected to the top of the shelf. A horizontally arranged telescopic rod is fixedly connected to the inner side of each fixed seat. A limiting frame is fixedly connected to the top of the shelf on one side of the fixed seat, and a material transfer device is installed on the top of the base plate on one side of the limiting frame.
[0007] Preferably, one of the lunch box bodies is disposed on the top of the shelf and is tightly fitted to one side of the baffle, and the bottom end of the lunch box body is tightly fitted to the top of the telescopic rod.
[0008] Preferably, a portion of the lunchbox body is disposed inside the limiting frame and slidably connected to the limiting frame, and the end of the telescopic rod near this portion of the lunchbox body is tightly fitted to the outer side of the lunchbox body.
[0009] Preferably, the correction device includes a fixed frame fixedly connected to the outside of the conveying device, a fixed frame horizontally arranged and located above the conveying device fixedly connected to one side of the fixed frame, and a correction roller rotatably connected to the inside of the fixed frame.
[0010] Preferably, there are multiple correction rollers, which are evenly distributed inside the fixed frame, and the outer sides of the correction rollers are attached to the outer side of the lunch box body located at the top of the conveying device.
[0011] Preferably, the material transfer device includes a first slide rail that is horizontally arranged and fixedly connected to the top of the base plate, a first slider that is slidably connected to the outside of the first slide rail, a second slide rail that is vertically arranged that is fixedly connected to the top of the first slider, a second slider that is slidably connected to the inside of the second slide rail, and a clamping device that is installed on one side of the second slider.
[0012] Preferably, the height of the second slide rail is higher than that of the limiting frame, and the clamping device is located above the limiting frame.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. In this utility model, through the setting of a correction device, base plate, support plate, storage plate, baffle, cylinder, fixed seat, telescopic rod and limit frame, when using the device, the correction roller is in contact with the lunch box body to correct the lunch box body. When the lunch box body is in close contact with the baffle, the cylinder is activated, and then the telescopic rod is activated to fix the lunch box body. After that, the cylinder output shaft quickly retracts and lifts the next lunch box body. While the cylinder output shaft extends, the telescopic rod output shaft is controlled to retract. Repeating the operation can complete the stacking of multiple lunch box bodies. This design makes the stacking of lunch box bodies stable and fast.
[0015] 2. In this utility model, by setting a material transfer device, a first slide rail, a first slider, a second slide rail, a second slider, and a clamping device, when the lunch box body exceeds the limit frame body by a certain height, the clamping device is activated, and the clamping device clamps the outside of the lunch box body. At this time, the second slider rises and drives part of the lunch box body to detach from the lunch box body below. Then, the first slider drives the lunch box body to move to the top of the bottom plate. Next, the second slider descends and drives the lunch box body to move to the top of the bottom plate, thus completing the material transfer of the lunch box body. This design makes the transfer of the lunch box body more convenient and improves work efficiency. Attached Figure Description
[0016] Figure 1This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the overall disassembly structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the correction device of this utility model;
[0019] Figure 4 This is a schematic diagram of the base plate connecting component of this utility model;
[0020] Figure 5 This is a schematic diagram of the disassembly structure of the limiting frame of this utility model;
[0021] Figure 6 This is a schematic diagram of the material transfer device of this utility model.
[0022] In the diagram: 1. Conveying device; 2. Lunch box body; 3. Correction device; 31. Fixing frame; 32. Fixing frame; 33. Correction roller; 4. Base plate; 5. Support plate; 6. Storage plate; 7. Stop bar; 8. Cylinder; 9. Fixing seat; 10. Telescopic rod; 11. Limiting frame; 12. Material transfer device; 121. First slide rail; 122. First slider; 123. Second slide rail; 124. Second slider; 125. Clamping device. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.
[0025] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.
[0026] Please see Figure 1-6 This utility model provides a technical solution:
[0027] A plastic lunchbox conveying and stacking device includes a conveying device 1 and multiple lunchbox bodies 2 disposed at the top and one side of the conveying device 1. Correction devices 3 are symmetrically installed on the front and rear sides of the conveying device 1. A base plate 4 is provided on the right side of the conveying device 1. Multiple support plates 5 are fixedly connected to the top of the base plate 4. A shelf 6 is fixedly connected to the top of each support plate 5. A horizontally arranged baffle 7 is fixedly connected to the top of each shelf 6. Vertically arranged cylinders 8 are fixedly connected between the multiple support plates 5. The cylinders 8 pass through the shelf 6 and are slidably connected to it. The baffle 7 has symmetrically arranged fixed connections on both sides. A fixed base 9 is attached to the top of the shelf 6. A horizontally arranged telescopic rod 10 is fixedly connected to the inner side of the fixed base 9. A limiting frame 11 is fixedly connected to the top of the shelf 6 on one side of the fixed base 9. A material transfer device 12 is installed on the top of the base plate 4 on one side of the limiting frame 11. One of the lunch boxes 2 is set on the top of the shelf 6 and is tightly fitted to one side of the baffle 7. The bottom end of this lunch box 2 is tightly fitted to the top of the telescopic rod 10. Part of the lunch box 2 is set inside the limiting frame 11 and is slidably connected to the limiting frame 11. The telescopic rod 10 is close to this part of the lunch box 2. One end is tightly fitted to the outside of the lunchbox body 2. The correction device 3 includes a fixed frame 31 fixedly connected to the outside of the conveying device 1. A fixed frame 32, horizontally set and located above the conveying device 1, is fixedly connected to one side of the fixed frame 31. Correction rollers 33 are rotatably connected to the inside of the fixed frame 32. There are multiple correction rollers 33, which are evenly distributed inside the fixed frame 32. The outside of the correction rollers 33 is fitted to the outside of the lunchbox body 2 located at the top of the conveying device 1. The correction device 3, base plate 4, support plate 5, shelf 6, and baffle 7 are all in place. The device consists of cylinder 8, fixed base 9, telescopic rod 10, and limit frame 11. When in use, the correction roller 33 is in contact with the lunch box body 2 to correct the deviation of the lunch box body 2. When the lunch box body 2 is in close contact with the baffle 7, cylinder 8 is activated, and then telescopic rod 10 is activated to fix the lunch box body 2. After that, the output shaft of cylinder 8 quickly retracts and lifts the next lunch box body 2. While the output shaft of cylinder 8 extends, it controls the output shaft of telescopic rod 10 to retract. Repeating the operation can complete the stacking of multiple lunch box bodies 2. This design makes the stacking of lunch box bodies 2 stable and fast.
[0028] The material transfer device 12 includes a first slide rail 121 horizontally arranged and fixedly connected to the top of the base plate 4. A first slider 122 is slidably connected to the outer side of the first slide rail 121. A second slide rail 123 is fixedly connected to the top of the first slider 122 vertically arranged. A second slider 124 is slidably connected to the inner side of the second slide rail 123. A clamping device 125 is installed on one side of the second slider 124. The height of the second slide rail 123 is higher than that of the limiting frame 11. The clamping device 125 is located above the limiting frame 11. The material transfer device 12, the first slide rail 121, the first slider 122, and the second slide rail 123 are connected to the top of the base plate 4. 23. The second slider 124 and the clamping device 125: When the lunch box body 2 exceeds the limit frame 11 by a certain height, the clamping device 125 is activated, and the clamping device 125 clamps the outside of the lunch box body 2. At this time, the second slider 124 rises and drives part of the lunch box body 2 to detach from the lunch box body 2 below. Then the first slider 122 drives the lunch box body 2 to move above the bottom plate 4. Next, the second slider 124 descends and drives the lunch box body 2 to move to the top of the bottom plate 4, thus completing the transfer of the lunch box body 2. This design makes the transfer of the lunch box body 2 more convenient and improves work efficiency.
[0029] Workflow: Before use, power on the device and connect it to an external controller. When stacking lunchbox bodies 2 is required, place the lunchbox bodies 2 on top of the conveyor device 1 manually or by machine, and start the conveyor device 1. At this time, the lunchbox bodies 2 move at a constant speed on the conveyor device 1. The correction roller 33 is in contact with the lunchbox bodies 2 and rotates inside the fixed frame 32 on the fixed frame 31 as the lunchbox bodies 2 move, thereby correcting the alignment of the lunchbox bodies 2. When the lunchbox bodies 2 move to the shelf 6 at the top of the support plate 5, due to... The inertial lunchbox body 2 continues to move until it is tightly fitted against the stop bar 7. At this point, the cylinder 8 can be activated. The cylinder 8 pushes the lunchbox body 2 to the inside of the limiting frame 11 and slides into contact with it. Then, the telescopic rod 10 in the fixing seat 9 is activated. The output shaft of the telescopic rod 10 extends and fits tightly against the outside of the lunchbox body 2, thus fixing the lunchbox body 2. Afterward, the output shaft of the cylinder 8 quickly retracts. When the next lunchbox body 2 moves above the cylinder 8, the output shaft of the cylinder 8 extends while simultaneously controlling the retraction of the output shaft of the telescopic rod 10, which is located in the limiting frame 11. The lunchbox body 2 can then fall and be inserted into the lunchbox body 2 located below. This process can be repeated multiple times to stack multiple lunchbox bodies 2. The design of the correction device 3 and its connecting components can correct and straighten the lunchbox bodies 2 during the conveying and stacking process, ensuring stable and rapid stacking. When the lunchbox body 2 exceeds a certain height beyond the limit frame 11, the clamping device 125 is activated, clamping the outer side of the lunchbox body 2. Subsequently, the first slide rail 121 and the second slide rail 12 are activated. 3. At this time, the second slider 124 rises inside the second slide rail 123, causing part of the lunch box body 2 to detach from the lower lunch box body 2. Then, the first slider 122 slides outside the first slide rail 121, causing the second slide rail 123 to move, so that the lunch box body 2 moves above the bottom plate 4. Next, the second slider 124 descends inside the second slide rail 123, causing the lunch box body 2 to move to the top of the bottom plate 4, thus completing the transfer of the lunch box body 2. The design of the transfer device 12 and its connecting components makes the transfer of the lunch box body 2 more convenient and improves work efficiency.
[0030] Contents not described in detail in this specification are existing technologies known to those skilled in the art. Standard parts used in this invention can all be purchased commercially, and irregularly shaped parts can be custom-made according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are already mature technologies. The machinery, parts, and equipment all use conventional models from the prior art, and the circuit connections also employ conventional connection methods from the prior art, which will not be detailed here.
[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A plastic meal tray conveying stacker apparatus comprising a conveying device (1) and a plurality of meal tray bodies (2) provided at the top end of the conveying device (1) and on one side of the conveying device (1), characterized in that: The conveying device (1) is symmetrically equipped with a correction device (3) on both the front and rear sides. The conveying device (1) is provided with a base plate (4) on the right side. Multiple support plates (5) are fixedly connected to the top of the base plate (4). A storage plate (6) is fixedly connected to the top of the support plate (5). A horizontally arranged baffle (7) is fixedly connected to the top of the storage plate (6). A vertically arranged cylinder (8) is fixedly connected between the multiple support plates (5). The cylinder (8) passes through the storage plate (6) and is slidably connected to the storage plate (6). Fixed seats (9) are symmetrically provided on both sides of the baffle (7) and fixedly connected to the top of the storage plate (6). A horizontally arranged telescopic rod (10) is fixedly connected to the inside of the fixed seat (9). A limiting frame (11) is fixedly connected to the top of the storage plate (6) on one side of the fixed seat (9). A material transfer device (12) is installed on the top of the base plate (4) on one side of the limiting frame (11).
2. A plastic meal tray conveying stacker apparatus as claimed in claim 1, wherein: One of the lunch box bodies (2) is located at the top of the shelf (6) and is closely fitted to one side of the baffle (7). The bottom of this lunch box body (2) is closely fitted to the top of the telescopic rod (10).
3. A plastic meal tray conveying stacker apparatus as defined in claim 2, wherein: Part of the lunch box body (2) is located inside the limiting frame (11) and is slidably connected to the limiting frame (11). The end of the telescopic rod (10) near this part of the lunch box body (2) is tightly fitted to the outside of the lunch box body (2).
4. A plastic meal tray conveying stacker apparatus as claimed in claim 3, wherein: The correction device (3) includes a fixed frame (31) fixedly connected to the outside of the conveying device (1). A fixed frame (32) is fixedly connected to one side of the fixed frame (31) and is horizontally set and located above the conveying device (1). A correction roller (33) is rotatably connected to the inside of the fixed frame (32).
5. A plastic meal tray conveying stacker apparatus as claimed in claim 4, wherein: The number of the correction rollers (33) is multiple, and the correction rollers (33) are evenly distributed inside the fixed frame (32). The outer side of the correction rollers (33) is in contact with the outer side of the lunch box body (2) located at the top of the conveying device (1).
6. The plastic lunch box conveying and stacking device according to claim 1, characterized in that: The material transfer device (12) includes a first slide rail (121) that is horizontally set and fixedly connected to the top of the base plate (4). A first slider (122) is slidably connected to the outside of the first slide rail (121). A second slide rail (123) that is vertically set is fixedly connected to the top of the first slider (122). A second slider (124) is slidably connected to the inside of the second slide rail (123). A clamping device (125) is installed on one side of the second slider (124).
7. A plastic lunch box conveying and stacking device according to claim 6, characterized in that: The second slide rail (123) is higher than the limit frame (11), and the clamping device (125) is located above the limit frame (11).