A box dropping device

Abstract

The utility model discloses a fall box device, and the device includes feeding push mechanism, meal box conveyer, material taking mechanism, the feeding push mechanism is located meal box conveyer one side for with the meal box of stacking mode storage push to meal box conveyer, meal box conveyer is used for conveying the meal box of push to material taking mechanism, material taking mechanism is located meal box conveyer other side for sucking the meal box of being located meal box conveyer and placing another position, the utility model discloses through feeding push mechanism, meal box conveyer, material taking mechanism three mechanism cooperation realizes " feeding to convey to take and put " full automation, reduces manual intervention, and linear layout (feeding side to convey to material taking side) optimizes equipment floor space.

Description

Technical Field

[0001] This utility model belongs to the field of food container feeding technology, specifically relating to a container dropping device. Background Technology

[0002] In the field of food packaging automation, the automated feeding of disposable lunch boxes (such as PP plastic lunch boxes and pulp molded lunch boxes) has long faced the following technical bottlenecks:

[0003] 1. Stacked and adhered, difficult to separate reliably:

[0004] Disposable lunch boxes are lightweight (15-30g per box), have smooth surfaces, and are prone to electrostatic adsorption. When stacked, they form a near-vacuum state between the boxes. Traditional spiral or suction cup dispensing solutions have a separation failure rate as high as 30%, requiring frequent manual intervention, which seriously restricts the continuity of the production line.

[0005] 2. Positioning inaccuracy during transmission:

[0006] The side walls of the lunch boxes are thin (≤0.5mm) and the structural rigidity is weak. During the start-up, stop or speed change of the conveyor belt, they are prone to tipping over, overlapping or displacement due to inertia, which leads to the failure of the material picking mechanism to pick up the materials, increasing the defect rate by more than 25%.

[0007] 3. Risk of mechanical contact injury:

[0008] Existing gripper feeding solutions suffer from imprecise force control, causing crushing damage to the flange structure of lunch boxes (common in sealed lunch boxes), resulting in plastic debris pollution. Utility Model Content

[0009] In view of this, the main objective of this utility model is to provide a box-dropping device.

[0010] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0011] A box-dropping device, comprising a feeding and pushing mechanism, a lunchbox conveyor belt, and a picking mechanism;

[0012] The feeding and pushing mechanism is located on one side of the lunch box conveyor belt and is used to push the stacked lunch boxes onto the lunch box conveyor belt;

[0013] The lunchbox conveyor belt is used to transport the pushed lunchboxes to the picking mechanism;

[0014] The material handling mechanism is located on the other side of the lunch box conveyor belt and is used to pick up lunch boxes located on the lunch box conveyor belt and place them in another position;

[0015] The feeding and pushing mechanism includes a first frame, a first conveyor belt, a first pushing cylinder, a second pushing cylinder, a pair of unloading cylinders, and a box unloading assembly;

[0016] A hopper for stacking lunch boxes is provided on one side of the first frame and is located on one side of the first conveyor belt;

[0017] The first conveyor belt is mounted on the first frame;

[0018] The first push cylinder is located on the opposite side of the first conveyor belt and is used to push the lunch boxes on the first frame toward the hopper;

[0019] The pair of dropping cylinders are located on both sides of the hopper and are used to control the lunch boxes pushed by the first pushing cylinder to fall into the hopper in the open state.

[0020] The box dropping assembly is located on the lower side of the hopper and is used to drop the bottommost box of the stacked lunch boxes to the bottom of the hopper by alternating opening;

[0021] The second push cylinder is located at the bottom of the hopper and is used to push the lunch boxes that have fallen from the hopper to the lunch box conveyor belt.

[0022] The box dropping assembly includes a first paddle, a second paddle, and a suction cup. The first paddles are symmetrically arranged on both sides of the bottommost box in the stack of boxes, and each first paddle is connected to a cylinder. The second paddles are symmetrically arranged on both sides of the second-to-last box in the stack of boxes, and each second paddle is connected to a cylinder. The suction cup is located at the bottom of the hopper and is connected to the cylinder.

[0023] Preferably, the side of the first frame facing the lunchbox conveyor belt is also provided with an air blowing component, which is used to blow the lunchboxes that fall into the lunchbox conveyor belt to a corresponding position on the lunchbox conveyor belt.

[0024] Preferably, several feeding and pushing mechanisms are evenly distributed along the conveying direction of the lunch box conveyor belt to simultaneously push multiple lunch boxes onto the lunch box conveyor belt.

[0025] Preferably, the lunchbox conveyor belt includes a conveyor belt body, on which chain fixtures are spaced apart, the spacing between each chain fixture being greater than the width of the lunchbox.

[0026] Preferably, the material handling mechanism includes a second frame, a horizontal pushing cylinder, a fixing part, a vertical pushing cylinder, and a suction assembly;

[0027] A horizontally oriented push cylinder is installed on the second frame along the horizontal direction;

[0028] The output end of the horizontal pushing cylinder is connected to the fixed part, and is used to push the fixed part to move in the horizontal direction;

[0029] The vertically pushing cylinder is mounted on the fixed part in a vertical direction, and its output end is connected to the suction assembly to push the suction assembly to move in a vertical direction.

[0030] Preferably, the top of the second frame is provided with at least two guide rails, and the bottom of the fixing part is slidably engaged with at least two guide rails.

[0031] Preferably, the suction assembly includes a suction nozzle and a suction nozzle fixing plate. The suction nozzle fixing plate is arranged along the direction of the food container conveyor belt and connected to the output end of the vertically pushing cylinder. Several suction nozzles are arranged at intervals along the suction nozzle fixing plate. A vacuum generator is connected to one side of each suction nozzle. The vacuum generator is arranged on one side of the suction nozzle fixing plate.

[0032] Preferably, the suction assembly further includes guide rods, two of which are provided and each passes through the rear end of the fixing part and is connected to the suction nozzle fixing plate, and the other ends of the two guide rods are connected to the fixing rod.

[0033] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0034] This utility model achieves full automation of "feeding → conveying → picking" through the coordinated operation of three mechanisms: a feeding and pushing mechanism, a food box conveyor belt, and a picking mechanism, reducing manual intervention; the linear layout (feeding side → conveying → picking side) optimizes the equipment's footprint. Attached Figure Description

[0035] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this invention, illustrate exemplary embodiments of the present invention and, together with their description, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0036] Figure 1 This is a schematic diagram of the structure of a box-dropping device provided in an embodiment of the present invention;

[0037] Figure 2 This invention provides a schematic diagram of the feeding and pushing mechanism in a box-dropping device according to an embodiment of the present invention.

[0038] Figure 3 This invention provides a schematic diagram of the structure of a lunchbox conveyor belt in a lunchbox dropping device according to an embodiment of the present invention;

[0039] Figure 4 This invention provides a schematic diagram of the first angle structure of the material-picking mechanism in a box-dropping device according to an embodiment of the present invention;

[0040] Figure 5 This invention provides a schematic diagram of the second angle structure of the material-picking mechanism in a box-dropping device according to an embodiment of the present invention. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0042] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0043] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, article, or apparatus that includes that element.

[0044] This utility model embodiment provides a box-dropping device, such as... Figure 1-5 As shown, the device includes a feeding and pushing mechanism 1, a lunchbox conveyor belt 2, and a material picking mechanism 3;

[0045] The feeding and pushing mechanism 1 is located on one side of the lunch box conveyor belt 2 and is used to push the lunch boxes stored in a stacked manner onto the lunch box conveyor belt 2;

[0046] The lunchbox conveyor belt 2 is used to transport the pushed lunchboxes to the picking mechanism 3;

[0047] The material handling mechanism 3 is located on the other side of the lunch box conveyor belt 2 and is used to pick up lunch boxes located on the lunch box conveyor belt 2 and place them in another position.

[0048] This utility model achieves full automation of "feeding → conveying → picking" through the coordinated operation of three mechanisms: feeding and pushing mechanism 1, food box conveyor belt 2, and picking mechanism 3, reducing manual intervention; the linear layout (feeding side → conveying → picking side) optimizes the equipment's footprint.

[0049] In some embodiments, the feeding and pushing mechanism 1 includes a first frame 101, a first conveyor belt 102, a first pushing cylinder 103, a second pushing cylinder 104, a pair of dropping cylinders 105, and a box dropping assembly; a hopper 1011 for stacking food boxes is provided on one side of the first frame 101 and is located on one side of the first conveyor belt 102.

[0050] The first conveyor belt 102 is mounted on the first frame 101;

[0051] The first push cylinder 103 is located on the opposite side of the first conveyor belt 102 and is used to push the lunch box on the first frame 101 toward the hopper 1011;

[0052] The pair of dropping cylinders 105 are arranged on both sides of the hopper 1011 to control the lunch box pushed by the first pushing cylinder 103 to fall into the hopper 1011 in the open state;

[0053] The box dropping assembly is located on the lower side of the hopper 1011 and is used to drop the bottommost of the stacked lunch boxes to the bottom of the hopper 1011 by alternating opening;

[0054] The second push cylinder 104 is located at the bottom of the hopper 1011 and is used to push the lunch boxes that fall from the hopper 1011 to the lunch box conveyor belt 2.

[0055] The box dropping assembly includes a first shovel and a second shovel. The first shovel is symmetrically arranged on both sides of the bottommost box in the stack of boxes, and each first shovel is connected to a cylinder. The second shovel is symmetrically arranged on both sides of the second-to-last box in the stack of boxes, and each second shovel is connected to a cylinder. The pull suction cup is located at the bottom of the hopper 1011 and is connected to the cylinder.

[0056] For example, in the hopper 1011, a pair of first paddles driven by cylinders support the left and right edges of the stacked lunch boxes on the bottom left and right sides. Then, a pair of second paddles driven by cylinders on the front and rear sides of the bottom of the hopper 1011 are inserted into the front and rear edges of a lunch box above the first paddles. Then, the pull suction cup at the bottom of the hopper 1011 rises and sucks up the bottom of the lowest lunch box, pulling the lunch box down. At the same time as the lunch box is pulled down, the pair of first paddles on the left and right sides retract and release, completing the dropping of the lunch box.

[0057] The first frame 101 is also provided with an air blowing component 106 on the side facing the lunch box conveyor belt 2, which is used to blow the lunch boxes that fall into the lunch box conveyor belt 2 to a corresponding position on the lunch box conveyor belt 2.

[0058] In some embodiments, several feeding and pushing mechanisms 1 are evenly distributed along the conveying direction of the lunchbox conveyor belt 2, for simultaneously pushing multiple lunchboxes onto the lunchbox conveyor belt 2.

[0059] Multiple feeding and pushing mechanisms 1 can push lunch boxes simultaneously, breaking the time limit of single-point feeding. For example, if a single feeding cycle takes 3 seconds, 3 parallel feeding and pushing mechanisms 1 can feed 1 lunch box into the conveyor belt every 1 second, increasing efficiency to 3 times.

[0060] It can also prevent the conveyor belt from running idle while waiting for a single mechanism to reset, thus achieving uninterrupted continuous conveying and meeting the needs of high-speed production lines.

[0061] In some embodiments, the lunchbox conveyor belt 2 includes a conveyor belt body, on which chain fixtures 201 are spaced apart. Each chain fixture 201 is larger than the size of the lunchbox to accommodate lunchboxes of various sizes.

[0062] The air blowing component 106 blows the lunch boxes that fall into the lunch box conveyor belt 2 to the upper right corner of each chain fixture 201 on the lunch box conveyor belt 2 for positioning, so that the lunch boxes are arranged with consistent spacing, thereby ensuring that the lunch boxes are accurately positioned and do not deviate during transportation, so that the material picking mechanism 3 can accurately pick them up, realizing flexible production to meet the needs of lunch boxes of various sizes.

[0063] In some embodiments, the material handling mechanism 3 includes a second frame 301, a horizontal pushing cylinder 302, a fixing part 303, a vertical pushing cylinder 304, and a suction assembly 305;

[0064] A horizontally oriented push cylinder 302 is provided on the second frame 301 along the horizontal direction;

[0065] The output end of the horizontal pushing cylinder 302 is connected to the fixed part 303 and is used to push the fixed part 303 to move in the horizontal direction.

[0066] The vertically pushing cylinder 304 is arranged vertically on the fixed part 303, and its output end is connected to the suction assembly 305 to push the suction assembly 305 to move vertically.

[0067] In some embodiments, at least two guide rails 3011 are provided on the top of the second frame 301, and the bottom of the fixing part 303 is slidably engaged with the at least two guide rails 3011.

[0068] The guide rail 3011 and the fixing part 303 work together to guide the fixing part 303 to slide horizontally, ensuring smooth movement.

[0069] In some embodiments, the suction assembly 305 includes a suction nozzle 3051 and a suction nozzle fixing plate 3052. The suction nozzle fixing plate 3052 is arranged along the direction of the food container conveyor belt 2 and is connected to the output end of the vertical push cylinder 304. A plurality of suction nozzles 3051 are arranged at intervals along the suction nozzle fixing plate 3052. A vacuum generator 3053 is connected to one side of each suction nozzle 3051. The vacuum generator 3053 is arranged on one side of the suction nozzle fixing plate 3052.

[0070] The fixing plate 305 is used to fix the nozzle array to ensure that the adsorption force is evenly distributed.

[0071] Multiple suction nozzles 3051 generate negative pressure through vacuum generator 3053 to adsorb onto the surface of the lunch box.

[0072] Furthermore, two suction nozzles 3051 are provided at each position for more stable suction of the food container.

[0073] In some embodiments, the suction assembly 305 further includes guide rods 3054, two of which are provided and each passes through the fixing part 303 and is connected at one end to the suction nozzle fixing plate 3052, and the other end of the two guide rods 3054 is connected to the fixing rod 3055.

[0074] The guide rod 3054 restricts the deflection or shaking of the nozzle fixing plate 3052 during vertical movement, ensuring that the nozzle 3051 is always vertically aligned with the surface of the food container, and also preventing the vertically pushing cylinder 304 from jamming or shifting due to uneven force during the pushing and pulling process.

[0075] The negative pressure load when the suction nozzle 3051 adsorbs the lunch box is evenly distributed to the guide frame composed of the guide rod 3054 and the fixing rod 3055, reducing the local stress of the fixing part 303 and preventing unilateral torque caused by uneven weight of the lunch box or suction offset.

[0076] For example, the fixing rod 3055 serves as a detachable connector, allowing for individual replacement of the worn guide rod 3054, thus reducing maintenance costs.

[0077] The working process of this utility model:

[0078] Phase 1: Loading the lunch boxes

[0079] The first conveyor belt 102 delivers the continuously added lunch boxes to the location of the first push cylinder 103;

[0080] Then, the first push cylinder 103 pushes the lunch box on the first conveyor belt 102 horizontally into the hopper 1011.

[0081] When the food container is pushed to the top of the hopper 1011, the food container cannot fall into the hopper 1011 because the pair of dropping cylinders 105 are in the closed state by default. After the pair of dropping cylinders 105 are opened, the food container falls into the hopper 1011. The bottom left and right sides of the food containers stacked in the hopper 1011 are supported by a pair of first paddles driven by cylinders on both sides. Then, the front and rear sides of the bottom of the hopper 1011 are inserted into the front and rear sides of the food container above the first paddles. Then, the pull suction cup at the bottom of the hopper 1011 rises and sucks up the bottom of the food container and pulls it down. At the same time as the food container is pulled down, the pair of first paddles on the left and right sides retract and release, completing the dropping of the food container.

[0082] The second push cylinder 104 then pushes the individual lunch box onto the lunch box conveyor belt 2;

[0083] Phase Two: Delivery of Meal Boxes

[0084] The lunchbox conveyor belt 2 receives lunchboxes pushed by the feeding mechanism 1 and continuously transports them through the conveyor belt body.

[0085] Phase 3: Retrieving and Placing Meal Containers

[0086] The vertical push cylinder 304 pushes the suction component 305 to descend vertically to the position of the lunch box conveyor belt 2. The suction component 305 sucks up the bottom surface of the lunch box, thereby sucking the lunch box in place by negative pressure.

[0087] Then, the vertically pushing cylinder 304 retracts, causing the suction component 305 to rise vertically. After reaching a certain height, the vertically pushing cylinder 304 stops working.

[0088] The horizontally pushing cylinder 302 pushes the fixing part 303 forward, so that the suction component 305 is in the feeding or loading position of the next process. The negative pressure of the suction component 305 is removed, and it will be placed on the equipment of the subsequent process.

[0089] The horizontal pushing cylinder 302 retracts, the fixed part 303 moves backward, and then the vertical pushing cylinder 304 retracts back to its initial position, waiting for the next suction operation.

[0090] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model.

Claims

1. A box-dropping device, characterized in that, The device includes a feeding and pushing mechanism, a lunchbox conveyor belt, and a material picking mechanism; The feeding and pushing mechanism is located on one side of the lunch box conveyor belt and is used to push the stacked lunch boxes onto the lunch box conveyor belt; The lunchbox conveyor belt is used to transport the pushed lunchboxes to the picking mechanism; The material handling mechanism is located on the other side of the lunch box conveyor belt and is used to pick up lunch boxes located on the lunch box conveyor belt and place them in another position; The feeding and pushing mechanism includes a first frame, a first conveyor belt, a first pushing cylinder, a second pushing cylinder, a pair of unloading cylinders, and a box unloading assembly; A hopper for stacking lunch boxes is provided on one side of the first frame and is located on one side of the first conveyor belt; The first conveyor belt is mounted on the first frame; The first push cylinder is located on the opposite side of the first conveyor belt and is used to push the lunch boxes on the first frame toward the hopper; The pair of dropping cylinders are located on both sides of the hopper and are used to control the lunch boxes pushed by the first pushing cylinder to fall into the hopper in the open state. The box dropping assembly is located on the lower side of the hopper and is used to drop the bottommost box of the stacked lunch boxes to the bottom of the hopper by alternating opening; The second push cylinder is located at the bottom of the hopper and is used to push the lunch boxes that have fallen from the hopper to the lunch box conveyor belt. The box dropping assembly includes a first paddle, a second paddle, and a suction cup. The first paddles are symmetrically arranged on both sides of the bottommost box in the stack of boxes, and each first paddle is connected to a cylinder. The second paddles are symmetrically arranged on both sides of the second-to-last box in the stack of boxes, and each second paddle is connected to a cylinder. The suction cup is located at the bottom of the hopper and is connected to the cylinder.

2. The box-dropping device according to claim 1, characterized in that, The side of the first frame facing the lunchbox conveyor belt is also equipped with an air blowing component, which is used to blow the lunchboxes that fall into the lunchbox conveyor belt to a corresponding position on the lunchbox conveyor belt.

3. A box-dropping device according to claim 1 or 2, characterized in that, Several feeding and pushing mechanisms are evenly distributed along the conveying direction of the lunch box conveyor belt to simultaneously push multiple lunch boxes onto the conveyor belt.

4. The box-dropping device according to claim 3, characterized in that, The lunchbox conveyor belt includes a conveyor belt body, on which chain fixtures are spaced apart, with the spacing between each chain fixture being greater than the width of the lunchbox.

5. A box-dropping device according to claim 4, characterized in that, The material handling mechanism includes a second frame, a horizontal pushing cylinder, a fixing part, a vertical pushing cylinder, and a suction assembly; A horizontally oriented push cylinder is installed on the second frame along the horizontal direction; The output end of the horizontal pushing cylinder is connected to the fixed part, and is used to push the fixed part to move in the horizontal direction; The vertically pushing cylinder is mounted on the fixed part in a vertical direction, and its output end is connected to the suction assembly to push the suction assembly to move in a vertical direction.

6. The box-dropping device according to claim 5, characterized in that, The top of the second frame is provided with at least two guide rails, and the bottom of the fixing part slides in cooperation with at least two guide rails.

7. A box-dropping device according to claim 6, characterized in that, The suction assembly includes a suction nozzle and a suction nozzle fixing plate. The suction nozzle fixing plate is arranged along the direction of the food container conveyor belt and connected to the output end of the vertical push cylinder. Several suction nozzles are arranged at intervals along the suction nozzle fixing plate. A vacuum generator is connected to one side of each suction nozzle. The vacuum generator is arranged on one side of the suction nozzle fixing plate.

8. A box-dropping device according to claim 7, characterized in that, The suction assembly also includes guide rods, two of which are provided and each passes through the rear end of the fixing part and is connected to the suction nozzle fixing plate. The other ends of the two guide rods are connected to the fixing rod.

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