A bale opener and method of opening a bale

Abstract

The application discloses a kind of unpacking machines, including unpacking platform, the unpacking platform one side is equipped with bag cutting device, the bag cutting device includes cutter mechanism and first bag pressing mechanism that can be opened and closed, the cutter mechanism is movably arranged on first bag pressing mechanism, the unpacking platform other side is equipped with second bag pressing mechanism and bag inserting mechanism, the bag inserting mechanism below is equipped with waste collection mechanism, the unpacking platform is movably arranged between bag cutting device and second bag pressing mechanism, and the unpacking platform is equipped with limiting component and pressing component for fixing material at one end close to second bag pressing mechanism.The application also discloses its unpacking method.The application has the advantages of high bag cutting qualified rate, and small space occupation of equipment stroke.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of food and medicine packaging, and particularly relates to a unpacking machine and unpacking method. BACKGROUND

[0002] In order to avoid material pollution and meet the aseptic requirement, a full-automatic unpacking machine is usually used to unpack the packaging material. The existing unpacking machine, such as the unpacking machine disclosed in Chinese patent CN202310484497.8, discloses that the bag is cut on one side of the platform, the bag is clamped on the other side, and the surface bag body is removed through the mechanical hand clamping and discharging. The unpacking machine has the following disadvantages: 1) the demolding platform is fixedly arranged, the clamping and demolding device needs to clamp the packaging film to move to one side until the demolding, the stroke of the clamping and demolding device is long, and the equipment occupies a large area; 2) the cutting position is not positioned before cutting the bag, which may cause inaccurate cutting position and unsuccessful demolding. SUMMARY

[0003] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art, and provide an unpacking machine and unpacking method with high cutting bag qualification rate and small equipment stroke space occupation.

[0004] To solve the above technical problems, the present application adopts the following technical scheme:

[0005] Compared with the prior art, the present application has the following beneficial effects:

[0006] An unpacking machine comprises an unpacking platform, one side of the unpacking platform is provided with a bag cutting device, the bag cutting device comprises a cutting knife mechanism and a first bag pressing mechanism which can be opened and closed, the cutting knife mechanism is movably arranged on the first bag pressing mechanism, the other side of the unpacking platform is provided with a second bag pressing mechanism and a bag inserting mechanism, the bag inserting mechanism is provided below a waste collecting mechanism, the unpacking platform is movably arranged between the bag cutting device and the second bag pressing mechanism, and the unpacking platform is provided at one end close to the second bag pressing mechanism with a limiting assembly and a pressing assembly for fixing materials.

[0007] As a further improvement of the above technical scheme:

[0008] The unpacking platform is further provided with a positioning assembly, the limiting direction of the positioning assembly is perpendicular to the positioning direction of the limiting assembly and the moving direction of the unpacking platform.

[0009] The positioning assembly comprises a fixed positioning block, a movable positioning block and a moving driving piece, the fixed positioning block is fixedly arranged on the unpacking platform, the movable positioning block is movably arranged on the unpacking platform, and the moving driving piece is used to drive the movable positioning block to approach or move away from the fixed positioning block.

[0010] The limiting assembly comprises a limiting roller arranged on the unpacking platform, the pressing assembly comprises a pressing rod and a swing drive for driving the pressing rod to swing, and the pressing rod is rotatably arranged on the unpacking platform.

[0011] The first bag pressing mechanism comprises a lower bag pressing seat and an upper bag pressing seat, and the lower bag pressing seat and the upper bag pressing seat are respectively connected with a first lifting drive assembly and a second lifting drive assembly to realize opening and closing of the two.

[0012] The first bag pressing mechanism is provided with a first waste collecting opening on the side away from the unpacking platform, and a waste chute is arranged between the first waste collecting opening and the first bag pressing mechanism.

[0013] The bag inserting mechanism comprises a liftable mounting seat, and a plurality of bag inserting rods are arranged at intervals along the length direction of the mounting seat.

[0014] The waste collecting mechanism comprises a second waste collecting opening, and a rotating bag collecting roller is arranged at the entrance of the second waste collecting opening.

[0015] The unpacking machine further comprises a material taking mechanism and a variable-distance discharging mechanism, the material taking mechanism is used for transferring the material that has been unpacked on the unpacking platform to the variable-distance discharging mechanism, and the variable-distance discharging mechanism is used for outputting the material after changing the distance.

[0016] An unpacking method comprises the following steps:

[0017] S1, placing the packaging material on the unpacking platform, and positioning the packaging material by the positioning assembly;

[0018] S2, moving the unpacking platform towards the direction close to the bag cutting device until the packaging material is aligned on the closed first bag pressing mechanism, positioning the packaging material again, and pressing the material by the pressing assembly after alignment;

[0019] S3, moving the unpacking platform away from the bag cutting device, opening the first bag pressing mechanism, then moving the unpacking platform towards the bag cutting device, and cutting the bag opening by the cutting device after the first bag pressing mechanism closes and presses the bag opening on one side;

[0020] S4, after the bag opening on one side is cut, moving the unpacking platform towards the second bag pressing mechanism, and pressing the bag opening on the other side by the second bag pressing mechanism;

[0021] S5, moving the unpacking platform towards the bag cutting device, inserting the packaging bag into the waste collecting mechanism below by the bag inserting mechanism, and releasing the bag opening by the second bag pressing mechanism;

[0022] S6, outputting the unpacked material by the material taking mechanism.

[0023] The unpacking machine and unpacking method disclosed by the application, the unpacking platform is movably arranged between the bag cutting device and the second bag pressing mechanism, the bag material can be positioned by moving the unpacking platform and abutting the closed first bag pressing mechanism, the bag material is conveniently aligned, the qualified rate of the cut packaging bag is improved, the bag insertion mechanism and the waste collecting mechanism are arranged, the bag insertion mechanism can directly insert the cut bag material into the waste collecting mechanism, therefore, the second bag pressing mechanism does not need to move horizontally, and the unpacking platform only needs to move in a small range, even if the packaging bag of the long bag material is separated, the second bag pressing mechanism does not need to be moved, compared with the existing film clamping mechanism and film separating mechanism, the film can be separated only when the packaging bag is separated from the material, the equipment structure arrangement of the unpacking machine is simpler, the space occupied by the equipment due to the stroke problem is smaller, and the overall structure is more compact. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the unpacking machine of the application.

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of the unpacking platform in the unpacking machine of the application.

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the bag cutting device in the unpacking machine of the application.

[0027] Figure 4 It is another schematic diagram of the structure of the bag cutting device in the unpacking machine of the application.

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the material taking mechanism in the unpacking machine of the application.

[0029] In the drawings, the reference numbers represent: 1, unpacking platform; 11, positioning assembly; 111, fixed positioning block; 112, movable positioning block; 113, moving driving piece; 12, limiting assembly; 121, limiting roller; 13, material pressing assembly; 131, material pressing rod; 2, bag cutting device; 3, lower bag pressing seat; 4, upper bag pressing seat; 42, first lifting driving assembly; 421, lifting rod; 422, connecting seat; 423, screw rod; 424, driving motor; 425, guide rod; 6, second bag pressing mechanism; 7, bag insertion mechanism; 71, mounting seat; 72, bag insertion rod; 8, waste collecting mechanism; 81, second waste collecting opening; 82, rotating bag collecting roller; 9, first waste collecting opening; 10, waste chute; 14, material taking mechanism; 15, variable-distance discharging mechanism. DETAILED DESCRIPTION

[0030] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0031] In the description of the present application, it is to be understood by the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0033] In the present application, unless otherwise explicitly specified and limited, the terms "assembly", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Embodiment one

[0035] Figures 1 to 5 An embodiment of the present application is shown, the unpacking machine of the embodiment includes unpacking platform 1, one side of unpacking platform 1 is provided with bag cutting device 2, bag cutting device 2 includes cutter mechanism and openable and closable first bag pressing mechanism, cutter mechanism is movably arranged on first bag pressing mechanism, the other side of unpacking platform 1 is provided with second bag pressing mechanism 6 and bag inserting mechanism 7, bag inserting mechanism 7 is provided with waste collecting mechanism 8 below, unpacking platform 1 is movably arranged between bag cutting device 2 and second bag pressing mechanism 6, and unpacking platform 1 is provided with limiting assembly 12 and pressing assembly 13 for fixing material at one end close to second bag pressing mechanism 6.

[0036] The unpacking process of the unpacking machine is as follows: first, the initial state of the first bag pressing mechanism is closed, the unpacking platform 1 is close to the first bag pressing mechanism, and is abutted on the closed first bag pressing mechanism to position the cut bag side of the packaging material, after positioning, the material pressing assembly 13 presses the material; then, the unpacking platform 1 is away from the first bag pressing mechanism, the first bag pressing mechanism is opened, the unpacking platform 1 drives the packaging material to be close to the first bag pressing mechanism and puts one side of the bag opening into the first bag pressing mechanism, after the bag opening is in place, the first bag pressing mechanism is closed to press the bag opening, and then the cutting knife mechanism cuts the bag opening; then, the unpacking platform 1 is close to the second bag pressing mechanism 6, and the second bag pressing mechanism 6 presses the bag opening on the other side; finally, the unpacking platform 1 slowly moves away from the second bag pressing mechanism 6, and the bag inserting mechanism 7 inserts the packaging bag into the waste collecting mechanism 8 below, and the limiting assembly 12 and the material pressing assembly 13 fix the unpacked material during the process to avoid the material from being separated from the unpacking platform 1.

[0037] The unpacking machine, the unpacking platform 1 is movably arranged between the bag cutting device 2 and the second bag pressing mechanism 6, the packaging material can be positioned by abutting the closed first bag pressing mechanism with the unpacking platform 1, which is convenient for aligning the packaging material and improves the qualified rate of cutting the packaging bag, the bag inserting mechanism 7 and the waste collecting mechanism 8 are arranged, the bag inserting mechanism 7 can directly insert the cut packaging bag into the waste collecting mechanism 8, so that the second bag pressing mechanism 6 does not need to move horizontally, and the unpacking platform 1 only needs to move in a small range, even if the packaging bag of the long packaging material is separated, the second bag pressing mechanism 6 does not need to be moved, compared with the existing film clamping mechanism and film separating mechanism, both of which need to be moved to separate the packaging bag from the material, the equipment structure arrangement of the unpacking machine is simpler, the space occupied by the equipment due to the stroke problem is smaller, and the overall structure is more compact.

[0038] In the embodiment, the unpacking platform 1 is further provided with a positioning assembly 11, the positioning direction of the positioning assembly 11 is perpendicular to the limiting direction of the limiting assembly 12 and the moving direction of the unpacking platform 1. After the packaging material is placed on the unpacking platform 1, the positioning assembly 11 first positions the packaging material in the longitudinal direction, and then moves the packaging material to abut on the first bag pressing mechanism for transverse positioning, thereby further improving the success rate of cutting the packaging bag.

[0039] In the embodiment, the positioning assembly 11 includes a fixed positioning block 111, a movable positioning block 112 and a moving driving member 113, the fixed positioning block 111 is fixedly arranged on the unpacking platform 1, the movable positioning block 112 is movably arranged on the unpacking platform 1, and the moving driving member 113 is used to drive the movable positioning block 112 to approach or move away from the fixed positioning block 111. The packaging material is placed between the fixed positioning block 111 and the movable positioning block 112, and the moving driving member 113 drives the movable positioning block 112 to approach the fixed positioning block 111 to position the two sides of the packaging material.

[0040] In the embodiment, the limiting assembly 12 comprises a limiting roller 121 arranged on the unpacking platform 1, and the pressing assembly 13 comprises a pressing rod 131 and a swing drive for driving the pressing rod 131 to swing, and the pressing rod 131 is rotatably arranged on the unpacking platform 1. After the bag material is positioned on the unpacking platform 1, the swing drive drives the pressing rod 131 to press on the bag material, and cooperates with the limiting roller 121 to avoid the bag material from falling off the unpacking platform 1 during the unpacking process, and the limiting roller 121 and the bag material are in rolling friction, which is small and reduces damage to the bag material.

[0041] In the embodiment, the first bag pressing mechanism comprises a lower bag pressing seat 3 and an upper bag pressing seat 4, and the lower bag pressing seat 3 and the upper bag pressing seat 4 are respectively connected with a first lifting drive assembly 42 and a second lifting drive assembly to realize opening and closing of the two. When the first bag pressing mechanism is opened, the second lifting drive assembly (not shown in the figure) drives the upper bag pressing seat 4 to move upwards, and the first drive assembly 42 drives the lower bag pressing seat 4 to move downwards, so as to form a bag cutting opening for facilitating the placement of the packaging bag. When the first bag pressing mechanism is closed, the second lifting drive assembly (not shown in the figure) drives the upper bag pressing seat 4 to move downwards, and the first drive assembly 42 drives the lower bag pressing seat 4 to move upwards, so as to press the packaging bag, and the pressing height is substantially the same as the placement height of the bag material packaging bag, thereby facilitating bag cutting. Of course, in other embodiments, the upper bag pressing seat 4 and the lower bag pressing seat 3 can be fixedly arranged, and one is arranged to be lifted, which can also achieve the effect of pressing, as long as the pressing height is substantially the same as the placement height of the bag material packaging bag.

[0042] In the embodiment, the first bag pressing mechanism is provided with a first waste collecting opening 9 on the side away from the unpacking platform 1, and a waste chute 10 is arranged between the first waste collecting opening 9 and the first bag pressing mechanism. The packaging bag cut on one side is collected by the first waste collecting opening 9 through the waste chute 10.

[0043] In the embodiment, the bag inserting mechanism 7 comprises a liftable mounting seat 71, and a plurality of bag inserting rods 72 are arranged at intervals along the length direction of the mounting seat 71. When the bag needs to be unpacked, the second bag pressing mechanism 6 presses the packaging bag, the unpacking platform 1 slowly moves away from the second bag pressing mechanism 6, and space is reserved for the bag inserting mechanism 7 to insert the bag. Then the bag inserting rod 72 is lowered, and the second bag pressing mechanism 6 releases the packaging bag, so that the packaging bag can be inserted into the waste collecting mechanism 8.

[0044] In the embodiment, the waste collecting mechanism 8 comprises a second waste collecting opening 81, and the second waste collecting opening 81 is provided with a rotating bag collecting roller 82 at the entrance. The bag inserting rod 72 can be withdrawn after inserting the packaging bag into the rotating bag collecting roller 82 of the second waste collecting opening 81, and the rotating bag collecting roller 82 can transport the packaging bag to the lower side, thereby reducing the descending stroke of the bag inserting rod 72. Preferably, the rotating bag collecting roller 82 is provided with two groups, which are respectively located on the two sides of the entrance of the second waste collecting opening 81. The bag inserting rod 72 inserts the packaging bag between the two groups of rotating bag collecting rollers 82, and the two groups of rotating bag collecting rollers 82 rotate and transport the packaging bag to the lower side for collection.

[0045] In the embodiment, the unpacking machine further comprises a material taking mechanism 14 and a variable-distance discharging mechanism 15, the material taking mechanism 14 is used for transferring the material that has been unpacked on the unpacking platform 1 to the variable-distance discharging mechanism 15, and the variable-distance discharging mechanism 15 is used for outputting the material after changing the distance.

[0046] In the embodiment, the first lifting driving assembly 42 comprises a lifting rod 421, a connecting seat 422, a lead screw 423, a driving motor 424 and a guide rod 425, the driving motor 424 is used for driving the lead screw 423 to rotate, the connecting seat 422 is threadedly connected with the lead screw 423 and is slidably arranged on the guide rod 425, the guide rod 425 is arranged on the positioning mounting seat 3, the lifting rod 421 is arranged on the connecting seat 422, and the bag pressing seat 41 is arranged on the lifting rod 421. The driving motor 424 drives the lead screw 423 to rotate, drives the connecting seat 422 to slide along the guide rod 425, drives the lifting rod 421 and the bag pressing seat 41 to lift.

[0047] Embodiment two

[0048] The unpacking method of the embodiment comprises the following steps:

[0049] S1, placing the packaging material on the unpacking platform 1, and positioning the packaging material by the positioning assembly 11;

[0050] S2, moving the unpacking platform 1 towards the cutting bag device 2 until the packaging material is aligned on the closed first bag pressing mechanism, positioning the packaging material again, and pressing the material by the pressing assembly 13 after alignment;

[0051] S3, moving the unpacking platform 1 away from the cutting bag device 2, opening the first bag pressing mechanism, then moving the unpacking platform 1 towards the cutting bag device 2, closing the first bag pressing mechanism to press the bag opening of one side of the packaging material, and then cutting the bag opening by the cutting knife mechanism;

[0052] S4, after cutting the bag opening of one side, moving the unpacking platform 1 towards the second bag pressing mechanism 6, and pressing the bag opening of the other side by the second bag pressing mechanism 6;

[0053] S5, moving the unpacking platform towards the cutting bag device 2, inserting the packaging bag into the waste collecting mechanism 8 below by the bag inserting mechanism 7, and releasing the bag opening by the second bag pressing mechanism 6;

[0054] S6, outputting the unpacked material by the material taking mechanism 14.

[0055] The unpacking method positions the packaging material by abutting the movable unpacking platform 1 and the closed first bag pressing mechanism, which facilitates the alignment of the packaging material and improves the qualified rate of the cut packaging bag. Meanwhile, the bag inserting mechanism 7 can directly insert the cut packaging material bag into the waste collecting mechanism 8, so that the second bag pressing mechanism 6 does not need to move horizontally, and the unpacking platform 1 only needs to move in a small range. Even if the packaging bag of a long packaging material is removed, the second bag pressing mechanism 6 does not need to be moved, and the equipment occupies a small space.

[0056] Although the present application has been disclosed in the above preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make many possible changes and modifications to the technical solutions of the present application or modify equivalent embodiments with equivalent changes without departing from the scope of the technical solutions of the present application by using the disclosed technical contents. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the content of the technical solutions of the present application shall fall within the scope of protection of the technical solutions of the present application.

Claims

1. A package unpacking machine, characterized in that: The package includes an unpacking platform (1), a bag cutting device (2) on one side of the unpacking platform (1), the bag cutting device (2) including a cutting mechanism and an openable and closable first bag pressing mechanism, the cutting mechanism being movably mounted on the first bag pressing mechanism, a second bag pressing mechanism (6) and a bag inserting mechanism (7) on the other side of the unpacking platform (1), a waste collection mechanism (8) below the bag inserting mechanism (7), the unpacking platform (1) being movably mounted between the bag cutting device (2) and the second bag pressing mechanism (6), and a limiting component (12) and a pressing component (13) for fixing materials being provided at one end of the unpacking platform (1) near the second bag pressing mechanism (6).

2. The unpacking machine according to claim 1, characterized in that: The unpacking platform (1) is also provided with a positioning component (11), the positioning direction of which is perpendicular to the limiting direction of the limiting component (12) and the moving direction of the unpacking platform (1).

3. The unpacking machine according to claim 2, characterized in that: The positioning component (11) includes a fixed positioning block (111), a movable positioning block (112), and a moving drive (113). The fixed positioning block (111) is fixed on the unpacking platform (1), the movable positioning block (112) is movably disposed on the unpacking platform (1), and the moving drive (113) is used to drive the movable positioning block (112) to move closer to or away from the fixed positioning block (111).

4. The unpacking machine according to claim 1, characterized in that: The limiting component (12) includes a limiting roller (121) which is disposed on the unpacking platform (1). The pressing component (13) includes a pressing rod (131) and a swing drive for driving the pressing rod (131) to swing. The pressing rod (131) is rotatably disposed on the unpacking platform (1).

5. The unpacking machine according to any one of claims 1 to 4, characterized in that: The first bag pressing mechanism includes a lower bag pressing seat (3) and an upper bag pressing seat (4). The lower bag pressing seat (3) and the upper bag pressing seat (4) are respectively connected to a first lifting drive assembly (42) and a second lifting drive assembly to realize the opening and closing of the two.

6. The unpacking machine according to any one of claims 1 to 4, characterized in that: The first bag pressing mechanism is provided with a first waste collection port (9) on the side away from the unpacking platform (1), and a waste chute (10) is provided between the first waste collection port (9) and the first bag pressing mechanism.

7. The unpacking machine according to any one of claims 1 to 4, characterized in that: The inserting mechanism (7) includes a height-adjustable mounting base (71) with multiple inserting rods (72) spaced apart along the length of the mounting base (71).

8. The unpacking machine according to any one of claims 1 to 4, characterized in that: The waste collection mechanism (8) includes a second waste collection port (81), and the inlet of the second waste collection port (81) is provided with a rotating bag collection roller (82).

9. The unpacking machine according to any one of claims 1 to 4, characterized in that: The unpacking machine also includes a material picking mechanism (14) and a variable-pitch discharge mechanism (15). The material picking mechanism (14) is used to transfer the unpacked material on the unpacking platform (1) to the variable-pitch discharge mechanism (15). The variable-pitch discharge mechanism (15) is used to output the material after changing the pitch.

10. A method for unpacking, characterized in that: Includes the following steps: S1. Place the packaging material on the unpacking platform (1), and position the packaging material using the positioning component (11); S2. The unpacking platform (1) moves toward the bag cutting device (2) until the packaging material is aligned with the closed first bag pressing mechanism, and the packaging material is repositioned. After alignment, the pressing component (13) presses down the material. S3. The unpacking platform (1) moves away from the bag cutting device (2), the first bag pressing mechanism opens, and then the unpacking platform (1) moves towards the bag cutting device (2). After the first bag pressing mechanism closes and presses down on one side of the bag opening, the cutting mechanism cuts open the bag opening. S4. After one side of the bag opening is cut open, the unpacking platform (1) moves toward the direction of the second bag pressing mechanism (6), and the second bag pressing mechanism (6) presses down the other side of the bag opening; S5. The unpacking platform moves toward the bag cutting device (2), the bag insertion mechanism (7) inserts the packaging bag into the waste collection mechanism (8) below, and the second bag pressing mechanism (6) releases the bag opening; S6, the material handling mechanism (14) outputs the material after it has been unpacked.

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