Zipper bag opening mechanism of a washing powder packaging machine

Abstract

This utility model relates to the technical field of packaging machines, specifically a zipper opening mechanism for a laundry detergent packaging machine. It includes a zipper guide assembly, an air-blowing opening assembly, and a bag-supporting assembly. The bag-supporting assembly is rotatably connected to the top of the zipper guide assembly. The air-blowing opening assembly is located on one side of the zipper guide assembly and includes an opening column, an opening swing arm, an opening suction tube, and an air blowing pipe. The opening column is hollow. The opening swing arm and the air blowing pipe are both fixed to the opening column. One end of the opening suction tube is movably connected to the opening swing arm, and the other end is equipped with a vacuum suction cup. The air blowing pipe is bent and extends above the vacuum suction cup. This utility model, through the coordinated work of the zipper guide assembly and the air-blowing opening assembly, enables the mechanism to open zipper bags efficiently and accurately. Simultaneously, the bag-supporting assembly keeps the bag opening stable, thus improving the production efficiency of the packaging machine.

Description

Technical Field

[0001] This utility model packaging machine belongs to the technical field, and specifically relates to a zipper opening mechanism for a laundry detergent packaging machine. Background Technology

[0002] Regular laundry detergent must be sealed and stored in a waterproof container after opening, which requires the bag to have a zipper for easy resealing. Zipper bags are not only used for laundry detergent but also widely applied in other fields. The packaging process for zippered bags is typically automated. However, when opening zippered bags using a standard packaging machine, the zipper at the top is usually closed after manufacturing. The sides of the zipper need to be pulled open to allow for filling. Since zippered bags generally have some suction after closing, a certain amount of pulling force is required to open them.

[0003] Existing packaging machine zipper opening mechanisms typically use suction cups on both sides of the zipper bag to adhere to it before opening the bag. While this method is efficient, the suction effect deteriorates in dry environments and after prolonged use, making it difficult to fully adhere to the bag surface. This results in poor adhesion and affects the overall opening efficiency and quality. Utility Model Content

[0004] The purpose of this utility model is to provide a zipper opening mechanism for a laundry detergent packaging machine to solve one or more technical problems existing in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A zipper opening mechanism for a laundry detergent packaging machine includes a zipper guide assembly, an air-blowing opening assembly, and a bag-supporting assembly. The bag-supporting assembly is rotatably connected to the top of the zipper guide assembly. The air-blowing opening assembly is located on one side of the zipper guide assembly and includes an opening column, an opening swing arm, an opening suction tube, and an air-blowing pipe. The opening column is a hollow structure. The opening swing arm and the air-blowing pipe are both fixed to the opening column. One end of the opening suction tube is movably connected to the opening swing arm, and the other end is provided with a vacuum suction cup. The air-blowing pipe is bent and extends above the vacuum suction cup.

[0007] As a further improvement to the above technical solution, the bag opening arm is divided into a left bag opening arm and a right bag opening arm. The left bag opening arm and the right bag opening arm are connected by a bag opening joint, and the left bag opening arm and the right bag opening arm are independently connected to the bag opening straw, and the bag opening straw is connected to an external air source.

[0008] As a further improvement to the above technical solution, the zipper guide assembly includes a turntable and bag-picking clamps arrayed around the edges of the turntable. The turntable has a circular structure and is mounted on the packaging machine. One end of the bag-picking clamp is connected to a drive assembly, and the bag-picking clamp is divided into a left clamp and a right clamp. One end of both the left clamp and the right clamp is provided with a gripper.

[0009] As a further improvement to the above technical solution, the bag-supporting assembly includes a bag-supporting cam ring, a bag-supporting fork arm, and a bag-supporting swing arm. The bag-supporting cam ring is coaxially arranged with the center of the turntable. The bag-supporting fork arm has an L-shaped structure, and the bottom of the bag-supporting fork arm is a hollow groove structure. One end of the bag-supporting fork arm is rotatably connected to the bag-supporting cam ring, and the bag-supporting swing arm is installed in the hollow groove of the bag-supporting fork arm.

[0010] As a further improvement to the above technical solution, the bag-supporting swing arm includes a first bag-supporting swing arm and a second bag-supporting swing arm. The first bag-supporting swing arm is connected to one end of the bag-supporting fork arm near the bag-supporting cam ring, and the second bag-supporting swing arm is connected to the other end of the bag-supporting fork arm. A bag-supporting pull arm is connected between the first bag-supporting swing arm and the second bag-supporting swing arm.

[0011] As a further improvement to the above technical solution, both the first bag-supporting swing arm and the second bag-supporting swing arm are hinged to the bag-supporting pull arm via bearing joints. The other end of the second bag-supporting swing arm is connected to a bag-supporting pull arm piece. One end of the bag-supporting pull arm piece is movably connected to a swing arm square bar. The end of the swing arm square bar is provided with a bag-supporting paddle, which is bent and positioned between the bag-supporting paddle and the vacuum suction cup.

[0012] In summary, the beneficial effects of this utility model are as follows:

[0013] This utility model's zipper opening mechanism for a laundry detergent packaging machine has excellent ability to open zipper bags and reduces the chance of opening failure. Through the coordinated work of the zipper guide component and the air-blowing opening component, this mechanism can efficiently and accurately open zipper bags, improving the packaging machine's production efficiency. Simultaneously, a bag-supporting component keeps the bag opening stable, ensuring smooth filling of the laundry detergent. Furthermore, this mechanism is suitable for zipper bags of different sizes and materials, meeting diverse packaging requirements. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the zipper opening mechanism of the laundry detergent packaging machine of this utility model;

[0016] Figure 2This is a top view of the zipper opening mechanism of the laundry detergent packaging machine of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the bag support assembly in this utility model;

[0018] Figure 4 This is a schematic diagram of the air-blowing bag-opening component in this utility model.

[0019] Explanation of the reference numerals in the figure:

[0020] 1. Zipper guide assembly; 11. Turntable; 12. Bag-removing clamp; 121. Left clamp; 122. Right clamp; 123. Gripper; 13. Drive assembly; 2. Air-blowing bag opening assembly; 21. Bag opening column; 22. Bag opening swing arm; 221. Left bag opening swing arm; 222. Right bag opening swing arm; 223. Bag opening joint; 23. Bag opening suction tube; 231. Vacuum suction cup; 24. Air blowing tube; 3. Bag supporting assembly; 31. Bag supporting cam ring; 32. Bag supporting fork arm; 33. Bag supporting swing arm; 331. First bag supporting swing arm; 332. Second bag supporting swing arm; 34. Bag supporting pull arm; 35. Bag supporting pull arm piece; 36. Swing arm square strip; 37. Bag supporting lever. Detailed Implementation

[0021] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0022] Those skilled in the art should understand that, in the disclosure of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0023] In the description of this utility model, the use of terms such as "several" means one or more, with "multiple" meaning two or more. Terms like "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of terms like "first," "second," and "third" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, the quantity of indicated technical features, or the sequential relationship between indicated technical features.

[0024] Reference Figures 1 to 4 The following are several embodiments of a zipper opening mechanism for a laundry detergent packaging machine according to this utility model.

[0025] A zipper opening mechanism for a laundry detergent packaging machine, such as Figure 1 and Figure 4 As shown, the device includes a zipper guide assembly 1, an air-blowing bag opening assembly 2, and a bag support assembly 3. The bag support assembly 3 is rotatably connected to the top of the zipper guide assembly 1. The air-blowing bag opening assembly 2 is located on one side of the zipper guide assembly 1 and includes an opening column 21, an opening swing arm 22, an opening suction tube 23, and an air blowing tube 24. The opening column 21 is a hollow structure, and the opening swing arm 22 and the air blowing tube 24 are both fixed to the opening column 21. The opening suction tube 23... One end is movably connected to the bag opening swing arm 22, and the other end is provided with a vacuum suction cup 231. The air blowing pipe 24 is bent and extended above the vacuum suction cup 231. The bag opening swing arm 22 is divided into a left bag opening swing arm 221 and a right bag opening swing arm 222. A bag opening joint 223 is connected between the left bag opening swing arm 221 and the right bag opening swing arm 222. The left bag opening swing arm 221 and the right bag opening swing arm 222 are independently connected to the bag opening straw 23. The bag opening straw 23 is connected to an external air source.

[0026] Specifically, the zipper guide assembly 1 guides the zippered bag to the opening position. The zipper guide assembly 1 can be a turntable 11, guide rail, spiral, or other suitable method to ensure the zippered bag accurately enters the opening position. Simultaneously, the air-blowing opening assembly 2 opens the zippered bag's opening for detergent filling. The air-blowing opening assembly 2 opens the bag by controlling the opening suction tube 23 and the air blowing tube 24 via the opening swing arm 22, while the bag-supporting assembly 3 stabilizes the bag opening, maintaining stability during detergent filling. Furthermore, this practical mechanism is controlled by an external control system to ensure the correct execution of each step. The control system can be a computer, PLC, or other suitable control equipment.

[0027] like Figure 2 As shown, in this embodiment, the zipper guide assembly 1 includes a turntable 11 and bag-picking clamps 12 arrayed around the edges of the turntable 11. The turntable 11 has a circular structure and is mounted on the packaging machine. One end of the bag-picking clamps 12 is connected to a drive assembly 13, and the bag-picking clamps 12 are divided into a left clamp 121 and a right clamp 122. One end of both the left clamp 121 and the right clamp 122 is provided with a gripper 123.

[0028] Specifically, the bottom of the turntable 11 is connected to the drive element of the packaging machine to rotate, and multiple bag-grabbing clamps 12 distributed at the bottom edge of the turntable 11 can grab the packaging bags. The grippers 123 on the left clamp 121 and the right clamp 122 are linked and controlled by the drive assembly 13, enabling them to quickly pick up and put down the packaging bags for material feeding.

[0029] like Figure 3 As shown, in this embodiment, the bag-supporting assembly 3 includes a bag-supporting cam ring 31, a bag-supporting fork arm 32, and a bag-supporting swing arm 33. The bag-supporting cam ring 31 is coaxially arranged with the center of the turntable 11. The bag-supporting fork arm 32 has an L-shaped structure, and the bottom of the bag-supporting fork arm 32 has a hollow groove structure. One end of the bag-supporting fork arm 32 is rotatably connected to the bag-supporting cam ring 31. The bag-supporting swing arm 33 is installed in the hollow groove of the bag-supporting fork arm 32. The bag-supporting swing arm 33 includes a first bag-supporting swing arm 331 and a second bag-supporting swing arm 332. The first bag-supporting swing arm 331 is connected to one end of the bag-supporting fork arm 32 near the bag-supporting cam ring 31, and the second bag-supporting swing arm 332 is connected to the other end of the bag-supporting fork arm 32. A bag-supporting pull arm 34 is connected between the first bag-supporting swing arm 331 and the second bag-supporting swing arm 332.

[0030] In this embodiment, the first bag-supporting swing arm 331 and the second bag-supporting swing arm 332 are both hinged to the bag-supporting pull arm 34 through bearing joints. The other end of the second bag-supporting swing arm 332 is connected to the bag-supporting pull arm 34 piece. One end of the bag-supporting pull arm 34 piece is movably connected to the swing arm square bar 36. The end of the swing arm square bar 36 is provided with a bag-supporting paddle 37, which is bent and disposed between the bag-supporting paddle 37 and the vacuum suction cup 231.

[0031] Specifically, through a simple and reliable mechanical structure, the bag-supporting assembly 3 can control the opening or closing of the bag-supporting pull arm 34 using the first bag-supporting swing arm 331 and the second bag-supporting swing arm 332. The bag-supporting pull arm 34 is composed of two pull arm pieces hinged together, which can freely control the movement direction of the swing arm bar 36. At the same time, the bag-supporting paddle 37 at one end of the swing arm bar 36 can be inserted into the bag opening to prevent it from deforming and to keep the bag opening stable, ensuring the smooth progress of the laundry detergent filling process. The entire transmission principle is simple, easy to operate and maintain, highly reliable, and can work stably.

[0032] The working principle of this utility model:

[0033] When using this mechanism, the packaging bag is held by the bag-grabbing clamp 12 on the turntable 11, and the packaging bag is transferred to the bag-opening station by the rotation of the turntable 11. The left and right opening arms 221 and 222 drive the opening suction tube 23 to move closer to each other. When opening the bag, the vacuum suction cup 231 can be used to adhere to both sides of the bag. Then, the negative pressure generated by the opening air pipe will fix the vacuum suction cup 231 in place. At the same time, the bag-opening assembly 3's bag-opening paddle 37 is inserted into the opening of the packaging bag, and the first and second bag-opening arms 331 and 332 control the opening of the arm bar 36 to open the bag opening. After the packaging bag opening is opened, the air pipe blows through the bag opening. 24. Air is blown into the bag to prevent the zipper bag from sticking together due to suction on both sides after opening. After opening, the zipper bag will be rotated to the next workstation via turntable 11 to complete subsequent production. The zipper bag opening mechanism of this laundry detergent packaging machine has a good ability to open zipper bags and can reduce the probability of opening failure. Through the coordinated work of the zipper guide component 1 and the air-blowing bag opening component 2, the mechanism can open the zipper bag efficiently and accurately, improving the production efficiency of the packaging machine. At the same time, the bag support component 3 keeps the bag opening stable, ensuring the smooth filling process of laundry detergent. This mechanism is also suitable for zipper bags of different specifications and materials, meeting diverse packaging requirements.

[0034] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A zipper opening mechanism for a laundry detergent packaging machine, comprising a zipper guide assembly, an air-blowing opening assembly, and a bag-supporting assembly, characterized in that, The bag support assembly is rotatably connected to the top of the zipper guide assembly. The air-blowing bag opening assembly is located on one side of the zipper guide assembly. The air-blowing bag opening assembly includes a bag opening column, a bag opening swing arm, a bag opening suction tube, and an air blowing tube. The bag opening column is a hollow structure. The bag opening swing arm and the air blowing tube are both fixed to the bag opening column. One end of the bag opening suction tube is movably connected to the bag opening swing arm, and the other end is provided with a vacuum suction cup. The air blowing tube is bent and extends above the vacuum suction cup.

2. The zipper opening mechanism for a laundry detergent packaging machine according to claim 1, characterized in that, The bag-opening swing arm is divided into a left bag-opening swing arm and a right bag-opening swing arm. The left bag-opening swing arm and the right bag-opening swing arm are connected by a bag-opening joint. The left bag-opening swing arm and the right bag-opening swing arm are independently connected to the bag-opening straw. The bag-opening straw is connected to an external air source.

3. The zipper opening mechanism for a laundry detergent packaging machine according to claim 2, characterized in that, The zipper guide assembly includes a turntable and bag-picking clamps arrayed around the edges of the turntable. The turntable has a circular structure and is mounted on the packaging machine. One end of each bag-picking clamp is connected to a drive assembly, and the bag-picking clamp is divided into a left clamp and a right clamp. Each of the left and right clamps has a gripper at one end.

4. The zipper opening mechanism for a laundry detergent packaging machine according to claim 3, characterized in that, The bag-supporting assembly includes a bag-supporting cam ring, a bag-supporting fork arm, and a bag-supporting swing arm. The bag-supporting cam ring is coaxially arranged with the center of the turntable. The bag-supporting fork arm has an L-shaped structure and a hollow groove structure at its bottom. One end of the bag-supporting fork arm is rotatably connected to the bag-supporting cam ring, and the bag-supporting swing arm is installed in the hollow groove of the bag-supporting fork arm.

5. The zipper opening mechanism for a laundry detergent packaging machine according to claim 4, characterized in that, The bag-supporting swing arm includes a first bag-supporting swing arm and a second bag-supporting swing arm. The first bag-supporting swing arm is connected to one end of the bag-supporting fork arm near the bag-supporting cam ring, and the second bag-supporting swing arm is connected to the other end of the bag-supporting fork arm. A bag-supporting pull arm is connected between the first bag-supporting swing arm and the second bag-supporting swing arm.

6. The zipper opening mechanism for a laundry detergent packaging machine according to claim 5, characterized in that, Both the first and second bag-supporting swing arms are hinged to the bag-supporting pull arm via bearing joints. The other end of the second bag-supporting swing arm is connected to a bag-supporting pull arm piece. One end of the bag-supporting pull arm piece is movably connected to a swing arm square bar. The end of the swing arm square bar is provided with a bag-supporting paddle, which is bent and positioned between the bag-supporting paddle and the vacuum suction cup.

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