Novel material cut-off mechanism for bulk bag unpacking and unloading system

Abstract

The present invention relates to the technical field of bulk material unpacking and unloading. Disclosed is a novel material cut-off mechanism for a bulk bag unpacking and unloading system, comprising an unpacking machine frame, and an electric hoist track arranged on the top of the unpacking machine frame. An electric hoist is provided on the electric hoist track, a bulk bag hanger is provided on a hook of the electric hoist, and a bulk bag is provided on the bulk bag hanger; a bag clamping and sealing mechanism is further provided on the unpacking machine frame; a material cut-off assembly connected to the unpacking machine frame is provided below the bulk bag; and the material cut-off assembly comprises a base, a cover plate is provided at the top of the base, a first three-shaft cylinder is provided on the left side of the base, a first connecting plate is fixedly connected to an output shaft of the first three-shaft cylinder, and a guide valve plate is fixedly connected to the first connecting plate. In the present invention, the material cut-off action time can be controlled within 1 second, the efficiency is improved by 90% or above, the material loss rate in the material cut-off process can be reduced by 80% or above, and full-automatic control is achieved, without manual operation.

Description

A new material cutting mechanism for ton bag unloading system Technical Field

[0001] The invention belongs to the technical field of bulk material unpacking and unloading, and in particular relates to a novel material cutting mechanism for a ton bag unpacking and unloading system. Background Art

[0002] In industrial production, raw materials are often packaged in ton bags. During the raw material handling process, they are unloaded through ton bag unloading equipment and then delivered to the production line via mechanical or pneumatic conveying. Many product production processes require the use of multiple raw materials in a single recipe, and these raw materials may also be fed into the same ton bag unloading equipment. Therefore, for one raw material, it is often necessary to stop unloading and remove the remaining material before unloading a full bag, so that another raw material can be unloaded onto the equipment.

[0003] Therefore, during the ton bag unloading process, a device is needed to quickly cut the material, and then manually tie the bags and remove them. Currently, there is no effective solution. Some factories use aperture valves, but they require manual operation. The valve core of the aperture valve is a soft structure, which cannot quickly cut off the material, resulting in a large amount of material loss. Manual operation is time-consuming and labor-intensive, and inefficient. Therefore, we have proposed a new material cutting mechanism for ton bag unloading systems.

[0004] Summary of the Invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a new material cutting mechanism for a ton bag unpacking and unloading system.

[0006] To achieve the above-mentioned objectives, the present invention proposes a new material cutting mechanism for a ton bag unpacking and unloading system, comprising a unpacking machine frame, an electric hoist track arranged on the top of the unpacking machine frame, an electric hoist provided on the electric hoist track, a ton bag hanger provided on the hook of the electric hoist, a ton bag hanger provided with a ton bag, and a bag clamping and sealing mechanism provided on the unpacking machine frame, a material cutting assembly connected to the unpacking machine frame is provided below the ton bag, and the material cutting assembly comprises a base, a cover plate is provided on the top of the base, a three-axis cylinder 1 is provided on the left side of the base, the output shaft of the three-axis cylinder 1 is fixedly connected to the first connecting plate, the first connecting plate is fixedly connected to the guide valve plate, a three-axis cylinder 2 is provided on the right side of the base, the output shaft of the three-axis cylinder 2 is fixedly connected to the second connecting plate, the second connecting plate is connected to the clamping valve plate, and the clamping valve plate is movably sleeved in the guide valve plate.

[0007] Preferably, cylinder seats are provided on both sides of the base, and a plurality of cylinder mounting bolts are connected between the three-axis cylinder 1 and the three-axis cylinder 2 and the cylinder seats.

[0008] Preferably, a plurality of load-bearing bearings are provided at the bottom of the base.

[0009] Preferably, a plurality of cover plate connecting bolts are provided between the base and the cover plate, and a circular hole is provided on the cover plate.

[0010] Preferably, the bag clamping and sealing mechanism is located below the material cutting assembly, and the guide valve plate and the clamping valve plate are made of the polymer material nylon.

[0011] Preferably, a discharge hopper is provided below the bag clamping and sealing mechanism, and a PLC console is provided on one side of the bag unpacking machine frame.

[0012] The novel material cutting mechanism for a ton bag unpacking and unloading system proposed by the present invention can bring the following beneficial effects:

[0013] 1. By adopting a three-axis cylinder, which is a pneumatic actuator that integrates a drive unit and a guide unit, two guide rods made of special bearing steel are guided by linear or sliding bearings. The guide precision is high, and the high anti-torsion and anti-lateral load capabilities make the operation more stable and the action faster. After being equipped with a three-axis cylinder, this product no longer needs to design other guide structure components, the product structure is simplified, the overall thickness is thinner, and the height space requirement of the product is reduced, while reducing the manufacturing cost and operation and maintenance cost.

[0014] 2. The three-axis cylinder is connected to the PLC console through the solenoid valve to achieve automatic operation without manual operation;

[0015] 3. The guide valve plate and the base surface are supported by a load-bearing bearing to withstand the gravity exerted on the valve plate by the ton bag above;

[0016] 4. The guide valve plate and clamping valve plate are made of polymer material nylon. Nylon has high fatigue strength and rigidity, good heat resistance, which can make this product operate normally at ambient temperature ≤ 120℃. Nylon's good wear resistance and self-lubricating properties make the valve plate run more smoothly and stably, with a long service life and no damage to the ton bag opening.

[0017] To sum up, this solution has a simple structure and novel design. The material cutting action time can be controlled within 1 second, which improves the efficiency by more than 90%. The material loss rate during the cutting process can be reduced by more than 80%. Moreover, it is fully automatically controlled, reducing manual operation by 100%. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0019] In the attached figure:

[0020] FIG1 is a front view schematic diagram of the structure of the present invention.

[0021] FIG2 is a schematic cross-sectional view of the material cutting assembly of the present invention.

[0022] FIG3 is a side structural schematic diagram of the material cutting assembly of the present invention.

[0023] FIG4 is a schematic diagram of the top view of the material cutting assembly of the present invention.

[0024] FIG5 is a schematic diagram of the three-dimensional structure of the material cutting assembly of the present invention.

[0025] In the figure: 1 unpacking machine frame, 2 electric hoist track, 3 electric hoist, 4 ton bag hanger, 5 ton bag, 6 material cutting assembly, 601 cylinder base, 602 three-axis cylinder one, 603 cylinder mounting bolts, 604 first connecting plate, 605 cover plate connecting bolts, 606 guide valve plate, 607 load-bearing bearing, 608 clamping valve plate, 609 base, 610 cover plate, 611 second connecting plate, 612 three-axis cylinder two, 7 bag clamping and sealing mechanism, 8 discharge hopper, 9 PLC console. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.

[0027] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0029] In the present invention, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0030] In the present invention, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the descriptions with reference to the terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more schemes or examples.

[0031] As shown in Figures 1 to 5, an embodiment of the present invention proposes a new type of cutting mechanism for a ton bag unpacking and unloading system, including a unpacking machine frame 1, an electric hoist track 2 arranged on the top of the unpacking machine frame 1, an electric hoist 3 is provided on the electric hoist track 2, a ton bag hanger 4 is provided on the hook of the electric hoist 3, a ton bag hanger 4 is provided on the ton bag hanger 4, a ton bag 5 is provided on the ton bag hanger 4, and a bag clamping and sealing mechanism 7 is also provided on the unpacking machine frame 1. A cutting assembly 6 connected to the unpacking machine frame 1 is provided below the ton bag 5. The cutting assembly 6 includes a base 609, a cover plate 610 is provided on the top of the base 609, and a three-axis cylinder 602 is provided on the left side of the base 609. The output shaft of the three-axis cylinder 602 is fixedly connected to the first connecting plate 604, and the guide valve plate 606 is fixedly connected to the first connecting plate 604. The three-axis cylinder 2 612 is provided on the right side of the base 609. The output shaft of the three-axis cylinder 2 612 is fixedly connected to the second connecting plate 611, and the clamping valve plate 608 is connected to the second connecting plate 611, and the clamping valve plate 608 is movably sleeved in the guide valve plate 606. The three-axis cylinder 1 602 drives the guide valve plate 606, and the three-axis cylinder 2 612 drives the clamping valve plate 608. In this way, the guide valve plate 606 and the clamping valve plate 608 are closed to clamp the bag mouth to cut the material.

[0032] As shown in Figure 2, cylinder seats 601 are provided on both sides of the base 609, and multiple cylinder mounting bolts 603 are connected between the three-axis cylinder 1 602 and the three-axis cylinder 2 612 and the cylinder seats 601. The cylinder mounting bolts 603 are used to fix the three-axis cylinder 1 602 and the three-axis cylinder 2 612 on the cylinder seats 601.

[0033] As shown in FIG2 , a plurality of load-bearing bearings 607 are provided at the bottom of the base 609 for bearing the gravity exerted on the valve plate by the bulk bag 5 above.

[0034] As shown in FIG4 , a plurality of cover plate connecting bolts 605 are provided between the base 609 and the cover plate 610 , and a circular hole is provided on the cover plate 610 for convenient blanking of the ton bag 5 .

[0035] As shown in FIG1 , the bag clamping and sealing mechanism 7 is located below the material cutting assembly 6 , and the guide valve plate 606 and the clamping valve plate 608 are made of the polymer material nylon.

[0036] As shown in FIG1 , a discharge hopper 8 is provided below the bag clamping and sealing mechanism 7 , and a PLC console 9 is provided on one side of the unpacking machine frame 1 , which controls the three-axis cylinder 1 602 and the three-axis cylinder 2 612 to work.

[0037] Working Principle: The material cut-off assembly 6 is mounted on the unpacking machine frame 1, located between the bag opening and the bag clamping and sealing mechanism 7. The control of the material cut-off assembly 6 is connected to the PLC console 9. During normal unloading, the material cut-off assembly 6 does not operate. When the material needs to be changed, the PLC console 9 automatically activates the three-axis cylinder 1 602 and the three-axis cylinder 2 612 of the material cut-off assembly 6. The three-axis cylinder 1 602 drives the guide valve plate 606, and the three-axis cylinder 2 612 drives the clamping valve plate 608. This closes the guide valve plate 606 and the clamping valve plate 608, clamping the bag opening and cutting the material. The flow area between them gradually decreases until the bag opening is clamped, completing the material cut-off. Finally, the bag opening is manually tied. After confirming the completion of the tying on the PLC console 9, the program automatically controls the material cut-off mechanism to reverse its action, restoring it to its original state. The bag clamping mechanism is manually operated to release the bag opening, and the electric hoist 3 is then used to remove the bag 5. The three-axis cylinder is a pneumatic actuator that combines a drive unit and a guide unit. Two guide rods made of special bearing steel are guided by linear or sliding bearings, achieving high guiding precision. The high anti-torsion and anti-lateral load capabilities make the operation smoother and faster. When equipped with the three-axis cylinder, this product no longer requires the design of other guide structural components, which simplifies the product structure and reduces the overall thickness, reducing the product's height and space requirements, while also reducing manufacturing and operating and maintenance costs. The three-axis cylinder is connected to the PLC console via a solenoid valve for automated operation without manual operation. A load-bearing bearing 607 is used between the guide valve plate 606 and the base 609 to withstand the gravity exerted on the valve plate by the upper ton bag 5. The guide valve plate 606 and the clamping valve plate 608 are made of nylon, a polymer material. Nylon has high fatigue strength, rigidity, and good heat resistance, allowing the product to operate normally at an ambient temperature of ≤120°C. Nylon's good wear resistance and self-lubricating properties make the valve plate run smoother and more stable, with a long service life and no damage to the ton bag opening.

[0038] The various embodiments in this specification are described in a progressive manner. Similar parts between the various embodiments can be referred to in conjunction with each other. Each embodiment focuses on the differences between the other embodiments. In particular, the system embodiments are generally similar to the method embodiments, so the description is relatively simple. For relevant parts, refer to the description of the method embodiments.

[0039] The foregoing is merely an embodiment of the present invention and is not intended to limit the present invention. It will be apparent to those skilled in the art that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A novel material cutting mechanism for a ton bag unpacking and unloading system, comprising a unpacking machine frame (1), an electric hoist track (2) arranged on the top of the unpacking machine frame (1), an electric hoist (3) arranged on the electric hoist track (2), a ton bag hanger (4) arranged on the hook of the electric hoist (3), a ton bag hanger (5) arranged on the ton bag hanger (4), and a bag clamping and sealing mechanism (7) arranged on the unpacking machine frame (1), characterized in that: A material cutting assembly (6) connected to the unpacking machine frame (1) is provided below the ton bag (5), and the material cutting assembly (6) includes a base (609), a cover plate (610) is provided on the top of the base (609), a three-axis cylinder one (602) is provided on the left side of the base (609), the output shaft of the three-axis cylinder one (602) is fixedly connected to a first connecting plate (604), and a guide valve plate (606) is fixedly connected to the first connecting plate (604), and a three-axis cylinder two (612) is provided on the right side of the base (609), the output shaft of the three-axis cylinder two (612) is fixedly connected to a second connecting plate (611), and a clamping valve plate (608) is connected to the second connecting plate (611), and the clamping valve plate (608) is movably sleeved in the guide valve plate (606).

2. According to claim 1, a new material cutting mechanism for a ton bag unpacking and unloading system is characterized in that: Cylinder seats (601) are provided on both sides of the base (609), and a plurality of cylinder mounting bolts (603) are connected between the three-axis cylinder one (602) and the three-axis cylinder two (612) and the cylinder seats (601).

3. The novel material cutting mechanism for a ton bag unloading system according to claim 1 is characterized in that: A plurality of load-bearing bearings (607) are provided at the bottom of the base (609).

4. The novel material cutting mechanism for a ton bag unpacking and unloading system according to claim 1 is characterized in that: A plurality of cover plate connecting bolts (605) are provided between the base (609) and the cover plate (610), and a circular hole is provided on the cover plate (610).

5. The novel material cutting mechanism for a ton bag unpacking and unloading system according to claim 1 is characterized in that: The bag clamping and sealing mechanism (7) is located below the material cutting assembly (6), and the guide valve plate (606) and the clamping valve plate (608) are made of the polymer material nylon.

6. The novel material cutting mechanism for a ton bag unpacking and unloading system according to claim 1 is characterized in that: A discharge hopper (8) is provided below the bag clamping and sealing mechanism (7), and a PLC control console (9) is provided on one side of the bag unpacking machine frame (1).

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