Organ folding mechanism of bag making machine

Abstract

The utility model relates to an organ folding mechanism of a bag making machine, and relates to the technical field of folding mechanisms, and the organ folding mechanism comprises a rack on which a packaging bag is folded; the positioning assembly comprises a bottom plate and a positioning plate, and the packaging bag penetrates through the space between the bottom plate and the positioning plate; the adjusting assembly is used for adjusting the position of the bottom plate; the turnover assembly comprises a turnover plate, the turnover plate is installed on the machine frame in a sliding mode, and the turnover plate turns over the packaging bag, so that an organ structure is formed at one end of the packaging bag; and the shaping assembly comprises a shaping plate, and the shaping plate is used for shaping the organ mechanism of the packaging bag. According to the packaging bag folding device, as the packaging bags continuously penetrate through the space between the bottom plate and the positioning plate, the folding plates continuously fold the packaging bags, and the folding efficiency of the packaging bags is improved.

Description

Technical Field

[0001] The present application relates to the technical field of folding mechanisms, and in particular to a bellows folding mechanism of a bag making machine. Background Art

[0002] Currently, a packaging bag refers to a bag used for packaging various articles, which facilitates the transportation of goods during the production and circulation process and is easy to store, and is widely used in daily life and industrial production. A zipper (or opening and closing strip) is one of the common structures for realizing the packaging sealing of articles after the packaging bag is assembled. Considering the firmness of the packaging bag at the installation position of the zipper (or opening and closing strip), usually two triangular areas are provided at the side bellows near the zipper (or opening and closing strip) to prevent the packaging bag from being pulled apart at the zipper (or opening and closing strip) during use.

[0003] The existing Chinese patent with the publication number of CN117698203A discloses a bellows folding mechanism of a bag making machine, which includes a base slidably arranged on the bag making machine and a folding mechanism slidably arranged on the base. The folding mechanism includes a frame slidably arranged on the base, a lower forming plate, an upper forming plate, a folding plate and a welding mechanism arranged in the frame. A forming angle is arranged in the lower forming plate. One end of the upper forming plate close to the lower forming plate is a triangular structure corresponding to the forming angle, and the upper forming plate is movably arranged in the frame through a first driving device. The number of the folding plates is two, and they are respectively movably arranged along the direction perpendicular to the inner wall of the forming angle through a second driving device. The welding mechanism includes an iron felt lifted above the forming angle and a welding head arranged directly below the iron felt.

[0004] In the related art, the packaging bag to be folded is folded through the folding mechanism. After the packaging bag is folded, the welding mechanism welds the packaging bag. After the packaging bag is welded, the packaging bag is replaced and the above steps are repeated.

[0005] Regarding the above related art, the inventor believes that the above bellows folding mechanism cannot continuously fold the bellows, which affects the folding efficiency of the bellows. Summary of the Utility Model

[0006] The technical problem to be solved by the present utility model is: to provide a bellows folding mechanism of a bag making machine, which solves the technical problem that the bellows folding mechanism cannot continuously fold the bellows and affects the folding efficiency of the bellows.

[0007] To achieve the above object, the present utility model provides the following technical solutions:

[0008] An accordion folding mechanism for a bag-making machine, comprising: a frame, where the packaging bag is folded on the frame; a positioning assembly, the positioning assembly includes a bottom plate and a positioning plate, and the packaging bag passes through between the bottom plate and the positioning plate; an adjusting assembly, the adjusting assembly adjusts the position of the bottom plate; a folding assembly, the folding assembly includes a folding plate, the folding plate is slidably installed on the frame, and the folding plate flips the packaging bag to form an accordion structure at one end of the packaging bag; a shaping assembly, the shaping assembly includes a shaping plate, and the shaping plate shapes the accordion mechanism of the packaging bag.

[0009] Through the above technical solution, the packaging bag passes through between the bottom plate and the positioning plate of the positioning assembly, the positioning plate presses the packaging bag against the bottom plate, and then the folding plate of the folding assembly folds the end of the packaging bag, so that an accordion structure is formed at the end of the packaging bag. After that, the shaping plate of the shaping assembly shapes the accordion structure of the packaging bag. As the packaging bag continuously passes through between the bottom plate and the positioning plate, the folding plate continuously folds the packaging bag, improving the folding efficiency of the packaging bag.

[0010] Further, the adjusting assembly includes a first slide rail and an adjusting plate. The first slide rail is installed on the frame, the adjusting plate is slidably installed on the first slide rail, an adjusting cylinder is arranged on the frame, and the adjusting cylinder drives the adjusting plate to slide on the frame; a second slide rail is arranged on the adjusting plate, and the second slide rail is perpendicular to the first slide rail; the bottom plate is slidably installed on the second slide rail, an adjusting screw is rotatably installed on the adjusting plate, and the bottom plate is threadedly connected with the adjusting screw.

[0011] Through the above technical solution, the adjusting plate slides on the first slide rail driven by the adjusting cylinder, and then the bottom plate slides on the second slide rail under the action of the adjusting screw, thereby improving the convenience of adjusting the position of the bottom plate on the frame.

[0012] Further, the folding assembly includes a lifting cylinder and a pushing cylinder. The pushing cylinder is installed on the frame, the lifting cylinder is installed on the pushing cylinder, and the folding plate is installed on the lifting cylinder.

[0013] Through the above technical solution, the lifting cylinder drives the folding plate to move towards the side close to the bottom plate in the vertical direction, and then the pushing cylinder drives the folding plate to move towards the side close to the packaging bag in the horizontal direction, so that the folding plate can fold the packaging bag.

[0014] Further, a guiding inclined surface is formed on the folding plate, and the guiding inclined surface faces the side close to the positioning plate.

[0015] Through the above technical solution, the guiding inclined surface on the folding plate guides the packaging bag, improving the convenience of the folding plate penetrating into the packaging bag.

[0016] Further, the shaping assembly includes a shaping cylinder slidably mounted on the frame. The piston rod of the shaping cylinder faces the side close to the bottom plate, and the shaping plate is mounted on the piston rod of the shaping cylinder.

[0017] Through the above technical solution, the shaping cylinder drives the shaping plate to move towards one side of the bottom plate, enabling the shaping plate to shape the packaging bag.

[0018] Further, an avoidance groove is formed on the shaping plate, and the folding plate passes through the avoidance groove on the shaping plate.

[0019] Through the above technical solution, in order to improve the stability of the shaping of the bellows structure on the packaging bag, while the folding plate folds the packaging bag, the shaping plate shapes the bellows structure. During the process of the shaping plate moving towards the bottom plate, the folding plate passes through the avoidance groove on the shaping plate.

[0020] Further, a rubber pad is arranged on the side of the shaping plate close to the bottom plate, and the rubber pad is mounted on the positioning plate.

[0021] Through the above technical solution, the rubber pad abuts against the bellows structure of the packaging bag, and the rubber pad can improve the forming effect of the bellows structure.

[0022] In summary, the present application includes at least one of the following beneficial technical effects of the bellows folding mechanism of the bag-making machine:

[0023] 1. The packaging bag passes through between the bottom plate and the positioning plate of the positioning assembly. The positioning plate presses the packaging bag against the bottom plate, and then the folding plate of the folding assembly folds the end of the packaging bag, so that the end of the packaging bag forms a bellows structure. After that, the shaping plate of the shaping assembly shapes the bellows structure of the packaging bag. As the packaging bag continuously passes through between the bottom plate and the positioning plate, the folding plate continuously folds the packaging bag, improving the folding efficiency of the packaging bag;

[0024] 2. Through the guiding inclined surface on the folding plate and the avoidance groove on the shaping plate, the shaping effect of the packaging bag is improved;

[0025] 3. Through the setting of the rubber pad and the shaping cylinder, the bellows structure on the packaging bag can be better formed. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is an overall schematic diagram of a bellows folding mechanism of a bag-making machine mainly provided in Embodiment 1;

[0027] Figure 2 is a schematic diagram of the structure of the shaping plate and the folding plate mainly provided in Embodiment 1;

[0028] Figure 3 It is a schematic diagram of the bottom plate structure mainly provided by the first embodiment;

[0029] Figure 4 It is a schematic diagram of the folding plate structure mainly provided by the second embodiment.

[0030] Reference numerals: 1, frame; 11, driving cylinder; 2, positioning assembly; 21, bottom plate; 211, groove; 212, supporting surface; 22, positioning plate; 221, guide plate; 222, guiding arc surface; 23, slider; 24, sliding cylinder; 3, adjusting assembly; 31, first slide rail; 32, adjusting plate; 33, adjusting cylinder; 34, second slide rail; 35, adjusting screw; 36, adjusting block; 4, folding assembly; 41, folding plate; 42, lifting cylinder; 43, pushing cylinder; 44, guiding inclined surface; 45, anti-scratch surface; 5, shaping assembly; 51, shaping plate; 52, shaping cylinder; 53, mounting plate; 54, supporting spring; 55, rubber pad; 56, avoidance groove. Detailed implementation manners

[0031] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0032] The following is further described in detail with reference to the attached Figures 1-4 This application.

[0033] Embodiment 1

[0034] Referring to Figure 1 , a bellows folding mechanism of a bag making machine includes a frame 1, a positioning assembly 2 is arranged on the frame 1, several packaging bags pass through the frame 1, and the positioning assembly 2 positions the packaging bags. An adjusting assembly 3, a folding assembly 4 and a shaping assembly 5 are also arranged on the frame 1. The adjusting assembly 3 adjusts the position of the packaging bags passing through the frame 1, the folding assembly 4 folds the packaging bags to form a bellows structure on the packaging bags, and the positioning assembly 2 shapes the bellows structure on the packaging bags.

[0035] The frame 1 is integrally rectangular. The adjusting assembly 3 includes two first slide rails 31 arranged at intervals. The length directions of the two first slide rails 31 are parallel to the length direction of the frame 1. An adjusting plate 32 is arranged on the first slide rail 31. The adjusting plate 32 straddles both sides of the first slide rail 31, and the adjusting plate 32 is slidably matched with the first slide rail 31. An adjusting cylinder 33 is arranged on the frame 1. The adjusting cylinder 33 is installed on the frame 1, and one end of the piston rod of the adjusting cylinder 33 is connected to the adjusting plate 32. During use, the adjusting cylinder 33 drives the adjusting plate 32 to slide on the first slide rail 31.

[0036] The positioning component 2 includes a bottom plate 21. The bottom plate 21 is integrally in the shape of a rectangular plate, and there is a parallel interval between the bottom plate 21 and the adjusting plate 32. A second slide rail 34 is provided on the adjusting plate 32. The second slide rail 34 is parallel to the length direction of the adjusting plate 32, and two second slide rails 34 are arranged at intervals along the width direction of the adjusting plate 32. Both sides of the bottom plate 21 in the width direction are slidably matched with the second slide rail 34.

[0037] An adjusting screw 35 is rotatably installed on the adjusting plate 32, and an adjusting block 36 is provided on the bottom plate 21. The adjusting block 36 is threadedly connected to the adjusting screw 35. During use, by rotating the adjusting screw 35, the bottom plate 21 can slide along the length direction of the second slide rail 34. During use, through the settings of the first slide rail 31 and the second slide rail 34, the bottom plate 21 can be adjusted in position along the horizontal length direction and width direction on the frame 1.

[0038] The positioning component 2 further includes a positioning plate 22. The positioning plate 22 is integrally in an L shape, and one side of the L-shaped positioning plate 22 is parallel to the surface of the bottom plate 21, and the other side is perpendicular to the surface of the bottom plate 21. A slider 23 and a sliding cylinder 24 are provided on the frame 1. The slider 23 slides along the length direction of the frame 1, and the L-shaped positioning plate 22 is installed on the slider 23. To improve the convenience of the slider 23 sliding on the frame 1, the sliding cylinder 24 is installed on the frame 1, and the piston rod of the sliding cylinder 24 is connected to the slider 23. During use, the sliding cylinder 24 drives the slider 23 to slide on the frame 1.

[0039] One side of the positioning plate 22 extends outward to form a guide plate 221. A guide arc surface 222 is formed on the side of the guide plate 221 close to the bottom plate 21. After the packaging bag is guided by the guide arc surface 222 on one side of the guide plate 221, it enters between the positioning plate 22 and the bottom plate 21, so that the packaging bag can be pressed on the bottom plate 21.

[0040] Refer to Figure 2 , the folding component 4 includes a folding plate 41, a lifting cylinder 42 and a pushing cylinder 43. The lifting cylinder 42 is integrally vertically arranged, and the pushing cylinder 43 is parallel to the length direction of the frame 1. The lifting cylinder 42 is slidably installed in the length direction of the frame 1, the pushing cylinder 43 is installed on the frame 1, and the piston rod of the pushing cylinder 43 is connected to the lifting cylinder 42, and the folding plate 41 is installed on the side of the piston rod of the lifting cylinder 42 close to the bottom plate 21. During use, the lifting cylinder 42 drives the folding plate 41 to move towards the side close to the bottom plate 21, and then the pushing cylinder 43 drives the folding plate 41 to move towards the side close to the positioning plate 22. The folding plate 41 penetrates from one end of the packaging bag. As the folding plate 41 continuously moves towards the side of the positioning plate 22, a bellows structure is formed on the packaging bag.

[0041] One side of the folding plate 41 is formed with a guiding inclined surface 44, and a scratch-proof surface 45 is formed between the guiding inclined surface 44 and the bottom surface of the folding plate 41. The scratch-proof surface 45 is arc-shaped, and the arc surface of the scratch-proof surface 45 faces the side close to the positioning plate 22. During the process of folding the packaging bag by the folding plate 41, the scratch-proof surface 45 of the folding plate 41 contacts the packaging bag, thereby preventing the folding plate 41 from piercing the packaging bag. In addition, as the folding plate 41 folds the packaging bag, the guiding inclined surface 44 on the folding plate 41 guides the packaging bag.

[0042] Refer to Figures 2-3 , when the folding plate 41 folds the packaging bag, due to a certain height between the positioning plate 22 and the bottom plate 21, the positioning plate 22 will hinder the movement of the folding plate 41 and affect the folding of the packaging bag by the folding plate 41. Therefore, a groove 211 is formed on one side of the bottom plate 21 close to the positioning plate 22. During use, the positioning plate 22 is pressed tightly in the groove 211 of the bottom plate 21, so that the top surface of the horizontal section of the positioning plate 22 can be parallel to the upper surface of the bottom plate 21, and thus the folding plate 41 can move on the bottom plate 21 and the positioning plate 22.

[0043] Furthermore, a supporting surface 212 is formed on one side wall of the groove 211, and the supporting surface 212 faces the side close to the positioning plate 22. During use, in addition, when the packaging bag passes through between the bottom plate 21 and the positioning plate 22, the positioning plate 22 moves horizontally towards the side close to the folding plate 41, and the positioning plate 22 presses the packaging bag against the supporting surface 212. At this time, the end of the packaging bag is upturned, so that the folding plate 41 can better penetrate into the packaging bag.

[0044] After the packaging bag is folded by the folding plate 41 to form a bellows structure, in order to prevent the packaging bag from returning to its original state, the shaping assembly 5 includes a shaping plate 51. The shaping plate 51 is integrally in the shape of a rectangular plate, and the shaping plate 51 is arranged in parallel and at intervals with the bottom plate 21. The shaping assembly 5 further includes a shaping cylinder 52. The shaping cylinder 52 is integrally arranged vertically, and the shaping cylinder 52 slides along the length direction of the machine frame 1. During use, the operator manually adjusts the position of the shaping cylinder 52 in the horizontal direction of the machine frame 1.

[0045] One end of the piston rod of the shaping cylinder 52 is provided with a mounting plate 53. A connecting rod is arranged on the shaping plate 51. One end of the connecting rod is connected to the shaping plate 51, and the other end passes through the mounting plate 53. A supporting spring 54 is arranged between the mounting plate 53 and the shaping plate 51, and the supporting spring 54 is pressed tightly between the mounting plate 53 and the shaping plate 51. When the shaping plate 51 presses on the packaging bag, the supporting spring 54 is compressed, so that during the process of shaping the packaging bag by the shaping plate 51, the damage of the shaping plate 51 to the bottom plate 21 can be reduced.

[0046] Furthermore, a rubber pad 55 is provided on the side of the shaping plate 51 close to the bottom plate 21. During the process of shaping the packaging bag, the rubber pad 55 presses tightly against the packaging bag. On the one hand, the rubber pad 55 can improve the forming effect of the bellows structure on the packaging bag. On the other hand, it can reduce the damage of the shaping plate 51 to the bottom plate 21.

[0047] After the folding plate 41 folds the packaging bag, if the folding plate 41 separates from the packaging bag, the packaging bag is likely to deform. At this time, if the shaping plate 51 is used to shape the packaging bag, the forming effect of the bellows structure of the packaging bag is poor. Therefore, an avoidance groove 56 is formed in the shaping plate 51, and the avoidance groove 56 penetrates through both sides of the shaping plate 51 in the thickness direction. During use, after the folding plate 41 folds the packaging bag, the folding plate 41 maintains the folding of the packaging bag. At this time, the shaping plate 51 shapes the packaging bag. During the process of the shaping plate 51 moving towards the bottom plate 21, the folding plate 41 passes through the avoidance groove 56 in the shaping plate 51. After the packaging bag is shaped, the folding plate 41 and the shaping plate 51 move towards the side away from the bottom plate 21.

[0048] Embodiment 2

[0049] Refer to Figure 4 , the cross-section of the folding plate 41 is rectangular, and one side in the length direction of the cross-section of the folding plate 41 contacts the upper surface of the bottom plate 21. A driving cylinder 11 is provided on the frame 1. The driving cylinder 11 is horizontally installed on the frame 1. One end of the folding plate 31 is connected to the driving cylinder 11. During use, the driving cylinder 11 drives the folding plate 41 to slide horizontally. When the packaging bag is pressed against the bottom plate 21 by the positioning plate 22, the driving cylinder 11 drives the folding plate 41 to fold the packaging bag, so that the packaging bag can form a bellows structure, improving the folding efficiency of the folding plate 41 for the packaging bag.

[0050] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. An accordion folding mechanism for a bag making machine, characterized in that: include: A frame (1), on which the packaging bag is folded; A positioning assembly (2), the positioning assembly (2) comprising a bottom plate (21) and a positioning plate (22), the packaging bag passing between the bottom plate (21) and the positioning plate (22); An adjusting component (3), wherein the adjusting component (3) adjusts the position of the bottom plate (21); A folding assembly (4), the folding assembly (4) comprising a folding plate (41), the folding plate (41) being slidably mounted on the frame (1), the folding plate (41) flipping the packaging bag so that one end of the packaging bag forms an accordion structure; A shaping component (5), wherein the shaping component (5) comprises a shaping plate (51), and the shaping plate (51) shapes the accordion mechanism of the packaging bag.

2. The accordion folding mechanism of a bag making machine according to claim 1, characterized in that: The adjustment assembly (3) comprises a first slide rail (31) and an adjustment plate (32); the first slide rail (31) is mounted on the frame (1); the adjustment plate (32) is slidably mounted on the first slide rail (31); an adjustment cylinder (33) is provided on the frame (1); the adjustment cylinder (33) drives the adjustment plate (32) to slide on the frame (1); The adjustment plate (32) is provided with a second slide rail (34), and the second slide rail (34) is perpendicular to the first slide rail (31); the bottom plate (21) is slidably mounted on the second slide rail (34), an adjustment screw (35) is rotatably mounted on the adjustment plate (32), and the bottom plate (21) is threadedly connected to the adjustment screw (35).

3. The accordion folding mechanism of a bag making machine according to claim 1, characterized in that: The folding assembly (4) comprises a lifting cylinder (42) and a pushing cylinder (43); the pushing cylinder (43) is mounted on the frame (1); the lifting cylinder (42) is mounted on the pushing cylinder (43); and the folding plate (41) is mounted on the lifting cylinder (42).

4. The accordion folding mechanism of a bag making machine according to claim 1, characterized in that: A guiding inclined surface (44) is formed on the folding plate (41), and the guiding inclined surface (44) faces a side close to the positioning plate (22).

5. The accordion folding mechanism of a bag making machine according to claim 1, characterized in that: The shaping component (5) comprises a shaping cylinder (52), the shaping cylinder (52) being slidably mounted on the frame (1), the piston rod of the shaping cylinder (52) facing the side close to the bottom plate (21), and the shaping plate (51) being mounted on the piston rod of the shaping cylinder (52).

6. The accordion folding mechanism of a bag making machine according to claim 1, characterized in that: The shaping plate (51) is provided with an avoidance groove (56), and the folding plate (41) passes through the avoidance groove (56) on the shaping plate (51).

7. The accordion folding mechanism of a bag making machine according to claim 1, characterized in that: A rubber pad (55) is provided on one side of the shaping plate (51) close to the bottom plate (21), and the rubber pad (55) is mounted on the positioning plate (22).

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