A bubble bag folding device

CN224915503UActive Publication Date: 2026-10-30HANGZHOU BAIHUANG PLASTIC IND CO LTD
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Patent Information

Application Number
CN202522274031.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-28
Publication Date
2026-10-30
Estimated Expiration
2035-10-28

AI Technical Summary

Technical Problem

[0003]然而,传统的气泡袋对折装置在对折过程中,多采用设备直接对气泡袋进行弯折操作,在此之前并未精确地确定折叠中线,该方式容易导致对折后的气泡袋出现偏差,无法达到高精度的对折要求,严重影响了产品的良品率

Benefits of technology

[0017]1、该装置通过折压杆配合基板以及翻折板对气泡袋折叠中线进行下压出痕,为后续对折提供准确的折叠线,同时,折压杆两侧设置有沿第一支撑杆和第二支撑杆内侧竖槽滑动的凸块,保证折压杆平稳下移,使得压痕更加精准,最终实现气泡袋的高精度对折,提高了产品良品率。

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Abstract

The application discloses a bubble bag folding device and relates to the technical field of bubble bag processing. The device comprises a base, a base plate fixed to the upper end of the base, a folding plate movably connected to one side of the base plate through a hinge, a folding pressing rod arranged at the upper end of the base, a lifting assembly arranged at the side of the base and connected with the folding pressing rod, and a folding assembly arranged at the side of the base plate and the folding plate. When the lifting assembly drives the folding pressing rod to move downward, the folding pressing rod cooperates with the base plate and the folding plate to press the folding center line of the bubble bag downward to form a mark. When the lifting assembly drives the folding pressing rod to ascend to the top, the lifting assembly drives the folding assembly to fold, and the bubble bag on the base plate and the folding plate is folded. The folding pressing rod cooperates with the base plate and the folding plate to press the folding center line of the bubble bag downward to form a mark, which provides an accurate folding line for subsequent folding. Finally, the high-precision folding of the bubble bag is realized, and the product yield is improved.
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Description

Technical Field

[0001] This utility model relates to the field of bubble bag processing technology, specifically a bubble bag folding device. Background Technology

[0002] In the packaging material manufacturing industry, bubble wrap is a commonly used cushioning packaging material, and its processing technology is crucial to product quality. Folding bubble wrap is a key step in the production process. Precise folding ensures that the bubble wrap maintains its shape and provides uniform cushioning during subsequent use, thereby improving the overall quality of the product.

[0003] However, traditional bubble wrap folding devices often directly bend the bubble wrap during the folding process without precisely determining the folding center line beforehand. This method easily leads to deviations in the folded bubble wrap, failing to meet high-precision folding requirements and severely impacting product yield. Therefore, we propose a bubble wrap folding device. Utility Model Content

[0004] The purpose of this invention is to provide a bubble wrap folding device to address the aforementioned shortcomings in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bubble wrap folding device, comprising a base, a base plate fixed to the upper end of the base, and a folding plate movably connected to one side of the base plate via a hinge, and further comprising:

[0006] A pressure bar is installed at the upper end of the base;

[0007] The lifting assembly is located on the side of the base and connected to the folding rod;

[0008] The folding assembly is located on the side of the substrate and the folding plate. When the lifting assembly moves the folding rod downward, the folding rod, together with the substrate and the folding plate, presses down to create a crease on the center line of the bubble bag. When the lifting assembly moves the folding rod to the top, the lifting assembly drives the folding assembly to fold the bubble bag on the substrate and the folding plate.

[0009] As a further description of the above technical solution: the lifting assembly includes a first support rod and a second support rod fixed to both sides of the base. A hydraulic telescopic rod is installed inside the first support rod. The top of the hydraulic telescopic rod is fixed to one end of the folding rod, and a hook rod is fixed to the lower end of the folding rod.

[0010] As a further description of the above technical solution: both the first support rod and the second support rod are provided with vertical grooves on their inner sides, and the bending rod is provided with protrusions on both sides that slide along the inside of the vertical grooves.

[0011] As a further description of the above technical solution: the folding assembly includes a housing fixed to the upper end of the base, a gear shaft is rotatably mounted on the inner wall of the housing, and a gear is fixed on the gear shaft, and a rack that meshes with the gear is slidably mounted on the inner wall of the housing.

[0012] As a further description of the above technical solution: the top of the rack is integrally formed with a horizontal block, and a spring is connected between the rack and the bottom wall of the housing.

[0013] As a further description of the above technical solution: a rotating rod is fixed at one end of the gear shaft, and a guide block is provided at the end of the rotating rod. The folding plate is provided with a guide groove on the side near the rotating rod that slides in coordination with the guide block.

[0014] As a further description of the above technical solution: the lower surface of the folding rod is provided with an anti-slip layer, which is made of rubber material and is used to increase the friction with the surface of the bubble bag.

[0015] As a further description of the above technical solution: the hydraulic telescopic rod is an electro-hydraulic rod, and the electro-hydraulic rod is connected to a control unit. The control unit is used to adjust the lifting speed and pressure of the hydraulic telescopic rod to achieve precise control of the folding rod.

[0016] In the above technical solution, the bubble wrap folding device provided by this utility model has the following beneficial effects:

[0017] 1. This device uses a folding rod in conjunction with a base plate and a folding plate to press down and create a crease along the center line of the bubble wrap fold, providing an accurate fold line for subsequent folding. At the same time, protrusions are provided on both sides of the folding rod, which slide along the vertical grooves inside the first and second support rods to ensure that the folding rod moves down smoothly, making the crease more accurate. Ultimately, this achieves high-precision folding of the bubble wrap and improves the product yield.

[0018] 2. The components of this device work together in a coordinated manner. During the upward movement of the folding rod, the hook at its lower end abuts against the top horizontal block of the rack of the folding assembly, causing the rack to rise. This, in turn, through the cooperation of the gear shaft, rotating rod, guide block, and guide groove on the folding plate, allows the folding plate to rotate and complete the folding. After folding, the hydraulic telescopic rod retracts and the spring returns the components to their initial positions. The coordinated operation of all components effectively improves work efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A first-view structural schematic diagram provided for an embodiment of this utility model;

[0021] Figure 2 This is a schematic diagram of the second-view structure provided for an embodiment of the present utility model;

[0022] Figure 3 This is a schematic diagram of the folding plate and folding rod transmission provided in an embodiment of the present utility model;

[0023] Figure 4 This is a partial cross-sectional view of the folding component provided in an embodiment of the present utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Base; 2. Base plate; 3. Folding plate; 4. Folding rod; 5. Lifting assembly; 51. First support rod; 52. Second support rod; 53. Hydraulic telescopic rod; 54. Hook rod; 6. Folding assembly; 61. Housing; 62. Gear shaft; 63. Gear; 64. Rack; 65. Horizontal block; 66. Spring; 67. Rotating rod; 68. Guide block. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] Please see Figures 1-4 According to an embodiment of the present invention, the present invention provides a technical solution for a bubble bag folding device: including a base 1, a base plate 2 fixed on the upper end of the base 1, a folding plate 3 movably connected to one side of the base plate 2 via a hinge, and further including a folding rod 4, which is disposed on the upper end of the base 1; the lower surface of the folding rod is provided with an anti-slip layer, the anti-slip layer being made of rubber material, used to increase the friction with the surface of the bubble bag.

[0028] The lifting assembly 5 is located on the side of the base 1 and connected to the folding rod 4; the folding assembly 6 is located on the side of the base plate 2 and the folding plate 3. When the lifting assembly 5 moves the folding rod 4 downward, the folding rod 4, together with the base plate 2 and the folding plate 3, presses down on the center line of the bubble bag to create a crease. When the lifting assembly 5 moves the folding rod 4 to the top, the lifting assembly 5 drives the folding assembly 6 to fold the bubble bag on the base plate 2 and the folding plate 3. By placing the bubble bag on the base plate 2 and the folding plate 3, and then the lifting assembly 5 moves the folding rod 4 downward, the folding rod 4, the base plate 2, and the folding plate 3 work together to press down on the center line of the bubble bag to create a crease. Afterward, the lifting assembly 5 moves the folding rod 4 to the top, at which point the lifting assembly 5 drives the folding assembly 6 to work. The folding assembly 6 drives the folding plate 3 to rotate around the hinge, thus folding the bubble bag in half.

[0029] In another embodiment of this utility model, preferably, the lifting assembly 5 includes a first support rod 51 and a second support rod 52 fixed to both sides of the base 1. A hydraulic telescopic rod 53 is installed inside the first support rod 51, and the top of the hydraulic telescopic rod 53 is fixed to one end of the folding rod 4. The hydraulic telescopic rod is an electro-hydraulic rod, and the electro-hydraulic rod is connected to a control unit. The control unit is used to adjust the lifting speed and pressure of the hydraulic telescopic rod to achieve precise control of the folding rod. A hook rod 54 is fixed to the lower end of the folding rod 4. When the hydraulic telescopic rod 53 extends or retracts, it can drive the folding rod 4 fixed to its top to move up and down. The hook rod 54 at the lower end of the folding rod 4 can cooperate with the folding assembly 6 during the rising process of the folding rod 4.

[0030] In another embodiment of the present invention, preferably, the inner sides of the first support rod 51 and the second support rod 52 are provided with vertical grooves, and the two sides of the folding rod 4 are provided with protrusions that slide along the inside of the vertical grooves; during the up and down movement of the folding rod 4, the protrusions on both sides slide along the vertical grooves inside the first support rod 51 and the second support rod 52, ensuring that the folding rod 4 can only move smoothly in the vertical direction.

[0031] In another embodiment of the present invention, preferably, the folding assembly 6 includes a housing 61 fixed to the upper end of the base 1, a gear shaft 62 rotatably mounted on the inner wall of the housing 61, and a gear 63 fixed on the gear shaft 62, and a rack 64 slidably mounted on the inner wall of the housing 61 and meshing with the gear 63; when the rack 64 slides on the inner wall of the housing 61, the gear 63 meshing with the rack 64 will rotate accordingly, thereby driving the gear shaft 62 to rotate, providing power for the rotation of the folding plate 3.

[0032] In another embodiment of the present invention, preferably, a horizontal block 65 is integrally formed on the top of the rack 64, and a spring 66 is connected between the rack 64 and the bottom wall inside the housing 61; when the bending rod 4 rises, the hook rod 54 abuts against the horizontal block 65 to drive the rack 64 to rise, and the spring 66 is stretched. When the hydraulic telescopic rod 53 retracts, the spring 66 resets and drives the rack 64 back to the initial position.

[0033] In another embodiment of the present invention, preferably, a rotating rod 67 is fixed at one end of the gear shaft 62, and a guide block 68 is provided at the end of the rotating rod 67. The folding plate 3 is provided with a guide groove on the side near the rotating rod 67 to slide in coordination with the guide block 68. When the gear shaft 62 rotates, it drives the rotating rod 67 to rotate synchronously. The guide block 68 at the end of the rotating rod 67 slides in the guide groove of the folding plate 3, guiding the folding plate 3 to rotate in an oriented manner around the hinge connected to the base plate 2.

[0034] The process of using the bubble bag folding device of this utility model is as follows: Place the bubble bag on the base plate 2 and the folding plate 3 to ensure that the bubble bag is positioned accurately, in preparation for the subsequent folding operation. At this time, the folding rod 4 is in the initial position under the action of the lifting component 5. In this initial position, the spring 66 is in the natural state, and the folding rod 4 is at the highest point.

[0035] After the bubble wrap is placed, the hydraulic telescopic rod 53, fixed inside the first support rod 51, begins to retract by activating the lifting assembly 5. As the folding rod 4 moves downward, it works with the base plate 2 and the folding plate 3 to press down on the folding center line of the bubble wrap, thereby pressing a mark on the bubble wrap and providing an accurate folding line for subsequent folding operations. During this process, because the folding rod 4 has protrusions on both sides that slide along the vertical grooves inside the first support rod 51 and the second support rod 52, the folding rod 4 can only move smoothly downward along the vertical grooves.

[0036] After the crease work on the bubble wrap is completed, the hydraulic telescopic rod 53 extends again, driving the folding rod 4 to rise to the initial position at the top. During the rising process of the folding rod 4, the hook rod 54 fixed at the lower end of the folding rod 4 will cooperate with the folding assembly 6. Specifically, when the hook rod 54 is driven to rise as a whole, the hook part at the bottom of the hook rod 54 abuts against the horizontal block 65 at the top of the rack 64, thereby pulling the horizontal block 65 and the rack 64 to rise.

[0037] During the upward movement of rack 64, spring 66 is stretched and elongated, causing gear shaft 62 and gear 63 inside housing 61 fixed at the upper end of base 1 to rotate. Gear shaft 62 drives rotating rod 67 to rotate synchronously. During this process, guide block 68 slides directionally along guide groove on folding plate 3. Under the synergistic action of the above components, folding plate 3 rotates around hinge connected to base plate 2, thereby folding the bubble bag with creases on base plate 2 and folding plate 3.

[0038] After folding, the hydraulic telescopic rod 53 retracts again, and under the reset action of the spring 66, the rack 64 pushes up again, thereby cooperating with the gear 63 to drive the folding plate 3 to reach the horizontal position again, take out the folded bubble bag, and prepare for the next bubble bag folding operation.

[0039] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A bubble wrap folding device, comprising a base (1), wherein a base plate (2) is fixed to the upper end of the base (1), and a folding plate (3) is movably connected to one side of the base plate (2) via a hinge, characterized in that, It also includes a folding bar (4), a lifting assembly (5), and a folding assembly (6); The bending rod (4) is located at the upper end of the base (1); The lifting assembly (5) is located on the side of the base (1) and connected to the bending rod (4); The folding component (6) is disposed on the side of the substrate (2) and the folding plate (3). When the lifting component (5) moves the folding rod (4) downward, the folding rod (4) works with the substrate (2) and the folding plate (3) to press down the center line of the bubble bag and create a crease. When the lifting component (5) moves the folding rod (4) to the top, the lifting component (5) drives the folding component (6) to fold, folding the bubble bag on the substrate (2) and the folding plate (3) in half.

2. The bubble wrap folding device according to claim 1, characterized in that, The lifting assembly (5) includes a first support rod (51) and a second support rod (52) fixed on both sides of the base (1). A hydraulic telescopic rod (53) is installed on the inner side of the first support rod (51). The top of the hydraulic telescopic rod (53) is fixed to one end of the pressure bar (4), and a hook rod (54) is fixed at the lower end of the pressure bar (4).

3. The bubble wrap folding device according to claim 2, characterized in that, The first support rod (51) and the second support rod (52) are both provided with vertical grooves on their inner sides, and the bending rod (4) is provided with protrusions on both sides that slide along the inside of the vertical grooves.

4. The bubble wrap folding device according to claim 1, characterized in that, The folding assembly (6) includes a housing (61) fixed to the upper end of the base (1), a gear shaft (62) is rotatably mounted on the inner wall of the housing (61), and a gear (63) is fixed on the gear shaft (62). A rack (64) that meshes with the gear (63) is slidably mounted on the inner wall of the housing (61).

5. A bubble wrap folding device according to claim 4, characterized in that, The top of the rack (64) is integrally formed with a horizontal block (65), and a spring (66) is connected between the rack (64) and the bottom wall inside the housing (61).

6. A bubble wrap folding device according to claim 4, characterized in that, One end of the gear shaft (62) is fixed with a rotating rod (67), and a guide block (68) is provided at the end of the rotating rod (67). The folding plate (3) is provided with a guide groove on the side near the rotating rod (67) to cooperate with the sliding of the guide block (68).

7. A bubble wrap folding device according to claim 1, characterized in that, The lower surface of the folding rod (4) is provided with an anti-slip layer, which is made of rubber material and is used to increase the friction with the surface of the bubble bag.

8. A bubble wrap folding device according to claim 2, characterized in that, The hydraulic telescopic rod (53) is an electro-hydraulic rod, and the electro-hydraulic rod is connected to a control unit. The control unit is used to adjust the lifting speed and pressure of the hydraulic telescopic rod (53) to achieve precise control of the folding pressure rod (4).