Adjustable suction cup type plastic packaging bag opening device

Abstract

The utility model relates to the technical field of packaging bag opening, and discloses an adjustable suction cup type plastic packaging bag opening device which comprises a workbench, a conveying unit is installed on the workbench, and a first support is installed on one side of the workbench. A first hydraulic rod is installed at the bottom of the first support, a second support is installed at the output end of the bottom of the first hydraulic rod, a second two-way screw driven by a second motor is arranged on the second support, and fixed blocks and movable blocks with suckers and air pipes are installed in the middles and on the two sides of the first two-way screw and the second two-way screw. According to the plastic bag opening device, the first support is used for fixing the upper portion and the lower portion of an end opening of a plastic bag, then the hydraulic rod pulls the second support to ascend to open and close the bag opening of the plastic bag, and in the device, the distance between a moving block on the first two-way screw and a moving block on the second two-way screw can be adjusted, so that the device is suitable for opening the plastic bags of different sizes and specifications; and energy waste caused by air suction is avoided.

Description

Technical Field

[0001] This utility model relates to the field of packaging bag opening technology, specifically an adjustable suction cup type plastic packaging bag opening device. Background Technology

[0002] In the food processing industry, a large number of plastic bags are usually needed to store the produced food. The openings of the purchased plastic bags must be open. Therefore, when making plastic bags, suction cup plastic packaging bag opening devices are needed to open the plastic bags.

[0003] However, existing suction cup-type plastic packaging bag opening devices often encounter problems when opening plastic bags. Due to the varying sizes of plastic bags, a large number of suction cups may result in gaps between them, leading to energy waste. Conversely, a small number of suction cups may cause opening difficulties. Therefore, those skilled in the art have provided an adjustable suction cup-type plastic packaging bag opening device to address the problems mentioned in the background section. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an adjustable suction cup plastic packaging bag opening device. This solves the problems that existing suction cup plastic packaging bag opening devices have when opening plastic bags. Due to the different sizes of plastic bags, if a large number of suction cups are used, some suction cups will be left unused, which will easily lead to energy waste. If a small number of suction cups are used, it will easily lead to unsmooth opening.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an adjustable suction cup type plastic packaging bag opening device, including a workbench, a conveying unit installed on the workbench, a first bracket installed on one side of the workbench, a through groove opened at one end of the conveying unit facing the first bracket, a first bidirectional screw rotatably engaged in the through groove, a first motor installed on the side of the workbench away from the first bracket, a hydraulic rod installed at the top of the first bracket, a second bracket installed at the bottom output end of the hydraulic rod, a second bidirectional screw rotatably engaged in the second bracket, a second motor installed on one side of the second bracket, a fixing block rotatably engaged in the middle of the first and second bidirectional screws, movable blocks provided on both sides of the fixing block, a suction cup installed at one end of the fixing block and the movable block, and an air pipe installed at the end of the fixing block and the movable block away from the suction cup.

[0008] Preferably, the first bidirectional screw is driven by the first motor, and the second bidirectional screw is driven by the second motor.

[0009] Preferably, the fixed block has a through hole in the middle, and the movable block has a threaded hole in the middle.

[0010] Preferably, the first and second bidirectional screws are rotatably engaged with the fixed block through through holes, and the first and second bidirectional screws are threadedly engaged with the moving block through threaded holes. A fixed block is installed in the middle of the first bidirectional screw, and moving blocks are provided on both sides of the fixed block. The fixed block does not move, while the moving blocks can be adjusted in spacing with the bidirectional screw. Suction cups and air pipes are provided on both the fixed block and the moving blocks for fixing the bottom of the plastic bag mouth conveyed by the conveyor belt. Similarly, fixed blocks and moving blocks with suction cups and air pipes are installed in the middle and on both sides of the second bidirectional screw for fixing the upper part of the plastic bag mouth. Then, the second bracket is pulled up by a hydraulic rod to open and close the plastic bag mouth.

[0011] Preferably, the second support has a movable groove, through which the air tube passes.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, this utility model provides an adjustable suction cup type plastic packaging bag opening device, which has the following beneficial effects:

[0014] The design incorporates a conveying unit on the workbench, with a through groove at the conveying end. A first bidirectional screw driven by a first motor is installed within this groove. A first motor is connected to the first bidirectional screw on one side of the workbench. A first bracket is mounted on one side of the workbench, with a first hydraulic rod at its bottom. A second bracket is mounted at the bottom output end of the first hydraulic rod, and a second bidirectional screw driven by a second motor is mounted on the second bracket. Fixing blocks and moving blocks with suction cups and air pipes are installed on the middle and sides of both the first and second bidirectional screws to secure the upper and lower parts of the plastic bag's opening. The hydraulic rod then pulls the second bracket upwards to open and close the plastic bag's opening. The spacing between the moving blocks on both the first and second bidirectional screws is adjustable, allowing the device to open plastic bags of different sizes without wasting energy due to empty suction. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of an adjustable suction cup type plastic packaging bag opening device provided in an embodiment of this application.

[0016] Figure 2 This is a schematic diagram of the through groove in an adjustable suction cup type plastic packaging bag opening device provided in an embodiment of this application.

[0017] Figure 3This is a schematic diagram of the structure of the second bracket in an adjustable suction cup type plastic packaging bag opening device provided in an embodiment of this application.

[0018] In the diagram: 1. Workbench; 2. Conveying unit; 3. Through slot; 4. First bidirectional screw; 5. First motor; 6. Fixed block; 601. Through hole; 7. Moving block; 701. Threaded hole; 8. Suction cup; 9. Air pipe; 10. First support; 11. Second support; 12. Movable slot; 13. Second bidirectional screw; 14. Second motor; 15. Hydraulic rod. Detailed Implementation

[0019] 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.

[0020] This utility model provides a technical solution: an adjustable suction cup type plastic packaging bag opening device. (See also...) Figure 1 , Figure 2 , Figure 3 The system includes a workbench 1, a conveying unit 2 mounted on the workbench 1, a first support 10 mounted on one side of the workbench 1, a through groove 3 opened at the end of the conveying unit 2 facing the first support 10, a first bidirectional screw 4 rotatably engaged in the through groove 3, a first motor 5 mounted on the side of the workbench 1 away from the first support 10, a hydraulic rod 15 mounted on the top of the first support 10, a second support 11 mounted at the bottom output end of the hydraulic rod 15, a second bidirectional screw 13 rotatably engaged in the second support 11, a second motor 14 mounted on one side of the second support 11, a fixing block 6 rotatably engaged in the middle of the first bidirectional screw 4 and the second bidirectional screw 13, movable blocks 7 provided on both sides of the fixing block 6, a suction cup 8 mounted at one end of the fixing block 6 and the movable block 7, an air pipe 9 mounted at the end of the fixing block 6 and the movable block 7 away from the suction cup 8, and a movable groove 12 opened on the second support 11, through which the air pipe 9 passes.

[0021] Please see Figure 1 , Figure 2 , Figure 3The first bidirectional screw 4 is driven and connected to the first motor 5, and the second bidirectional screw 13 is driven and connected to the second motor 14. The fixed block 6 has a through hole 601 in the middle, and the moving block 7 has a threaded hole 701 in the middle. The first bidirectional screw 4 and the second bidirectional screw 13 are rotatably engaged with the fixed block 6 through the through hole 601. The first bidirectional screw 4 and the second bidirectional screw 13 are threadedly engaged with the moving block 7 through the threaded hole 701. The fixed block 6 is installed in the middle of the first bidirectional screw 4, and the moving blocks 7 are provided on both sides of the fixed block 6. The fixed block 6 will not move, and the moving blocks 7 can be adjusted in spacing with the bidirectional screw. Suction cups 8 and air pipes 9 are provided on both the fixed block 6 and the moving blocks 7 for fixing the bottom of the plastic bag conveyed by the conveyor belt. The fixed block 6 and the moving blocks 7 with suction cups 8 and air pipes 9 are also installed in the middle and on both sides of the second bidirectional screw 13 for fixing the upper part of the plastic bag. Then, the second bracket 11 is pulled up by the hydraulic rod 15 to open and close the plastic bag opening.

[0022] In this utility model, a conveying unit 2 is provided on the workbench 1 to convey plastic packaging bags. A through groove 3 is provided at the end of the conveying unit 2. A first bidirectional screw 4 is provided in the through groove 3. A first motor 5 on one side of the workbench 1 is connected to the first bidirectional screw 4 for driving. A fixed block 6 is installed in the middle of the first bidirectional screw 4. Movable blocks 7 are provided on both sides of the fixed block 6. The fixed block 6 does not move, while the movable blocks 7 can be adjusted in spacing with the bidirectional screw. Suction cups 8 and air pipes 9 are provided on both the fixed block 6 and the movable blocks 7 for fixing the bottom of the bag opening of the plastic bags conveyed by the conveyor belt.

[0023] A first bracket 10 is installed on one side of the workbench 1. A first hydraulic rod 15 is installed at the bottom of the first bracket 10. A second bracket 11 is installed at the bottom output end of the first hydraulic rod 15. A second bidirectional screw 13 is rotatably engaged inside the second bracket 11. One end of the second bidirectional screw 13 is driven and connected to a second motor 14 on one side of the second bracket 11. Fixing blocks 6 and moving blocks 7 with suction cups 8 and air pipes 9 are also installed in the middle and on both sides of the second bidirectional screw 13 to fix the upper part of the opening of the plastic bag. Then, the second bracket 11 is pulled up by the hydraulic rod 15 to open and close the opening of the plastic bag.

[0024] In this device, the spacing between the movable block 7 on the first bidirectional screw 4 and the movable block 7 on the second bidirectional screw 13 can be adjusted, so that the device can be used to open plastic bags of different sizes.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, 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 process, method, article, or apparatus.

[0026] In this document, unless otherwise expressly specified and limited, the terms "installation," "setting," "connection," "fixing," "screw connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise expressly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] 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. An adjustable suction cup type plastic packaging bag opening device comprising a worktable (1), characterized in that: The workbench (1) is provided with a conveying unit (2), one side of the workbench (1) is provided with a first support (10), one end of the conveying unit (2) facing the first support (10) is provided with a through slot (3), the first bidirectional screw rod (4) is rotatably connected in the through slot (3), the workbench (1) is provided with a first motor (5) away from the first support (10), the top of the first support (10) is provided with a hydraulic rod (15), the bottom output end of the hydraulic rod (15) is provided with a second support (11), the second bidirectional screw rod (13) is rotatably connected in the second support (11), the second support (11) is provided with a second motor (14) on one side, the middle part of the first bidirectional screw rod (4) and the second bidirectional screw rod (13) is rotatably connected with a fixed block (6), the two sides of the fixed block (6) are provided with a moving block (7), one end of the fixed block (6) and the moving block (7) is provided with a suction cup (8), the end of the fixed block (6) and the moving block (7) away from the suction cup (8) is provided with an air pipe (9).

2. An adjustable suction cup plastic bag opening device according to claim 1, characterized in that: The first bidirectional screw rod (4) is drivingly connected with the first motor (5), and the second bidirectional screw rod (13) is drivingly connected with the second motor (14).

3. An adjustable suction cup plastic bag opening device according to claim 1, wherein: The middle part of the fixed block (6) is provided with a through hole (601), and the middle part of the moving block (7) is provided with a threaded hole (701).

4. An adjustable suction cup plastic bag opening device according to claim 3, wherein: The first bidirectional screw rod (4) and the second bidirectional screw rod (13) are rotatably connected with the fixed block (6) through the through hole (601).

5. An adjustable suction cup plastic bag opening device according to claim 3, wherein: The first bidirectional screw rod (4) and the second bidirectional screw rod (13) are threadedly connected with the moving block (7) through the threaded hole (701).

6. An adjustable suction cup plastic bag opening device according to claim 1, wherein: The second support (11) is provided with a movable slot (12), and the air pipe (9) penetrates the movable slot (12).

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