Roll feeding device for film packaging machine

Abstract

The utility model discloses a roll feeding device for a film packaging machine, which comprises a support frame, a feeding frame arranged on the support frame, two feeding rolling shafts arranged on the feeding frame and a film roll arranged between the two feeding rolling shafts, and limiting rings are arranged on the feeding rolling shafts and positioned on two sides of the film roll. A feeding rolling shaft is arranged on the feeding frame, a thin film leveling rolling shaft is arranged on the feeding frame and located on the front side of the feeding rolling shaft, a sliding rail is arranged on the feeding frame and located above the thin film leveling rolling shaft, a plurality of thin film pressing devices are connected to the sliding rail in a sliding mode, and a thin film tensioning adjusting device is arranged on the feeding frame and located below the thin film leveling rolling shaft. The feeding rolling shaft automatically feeds a film roll, the position of the film roll is limited through the limiting ring after the position of the film roll is adjusted, the film roll is prevented from deviating, the film leveling rolling shaft and the film pressing device are matched to guarantee the flatness of a film, the film tensioning adjusting device can adjust the tensioning degree of the film, the edge curling and folding of the film are avoided, and the production efficiency is improved. And the packaging working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of packaging of hardware and plastic parts, and particularly relates to a film feeding device for a film packaging machine. Background Art

[0002] During the production process of hardware and plastic parts, in order to avoid moisture absorption or pollution, it is necessary to use a film for packaging. Usually, manual winding of the film is used for packaging, which is quite labor-consuming. Moreover, manual packaging may result in uneven packaging or missed packaging, causing the products to get damp and affecting the product quality. To reduce labor waste, enterprises will use a film packaging machine for packaging. However, the feeding mechanism of the existing film packaging machine can only achieve simple support for the film roll, and it is necessary to pull out the film by using a pulling force at the front end, which is very easy to break the film and affect the packaging work efficiency. In addition, the position of the film cannot be adjusted, and the flatness of the film is insufficient, resulting in the film being easily curled and folded, further affecting the packaging work efficiency. Summary of the Invention

[0003] In order to solve certain or some technical problems existing in the prior art, the purpose of this application is to provide a film feeding device for a film packaging machine, which can realize automatic feeding of the film, and can adjust the position of the film, ensure the flatness of the film, avoid curling and folding, and improve the packaging work efficiency.

[0004] To solve the above-mentioned existing technical problems, the purpose of this application is achieved by adopting the following technical solutions: A film feeding device for a film packaging machine includes a support frame, a feeding frame arranged on the support frame, two feeding rollers arranged on the feeding frame, a film roll arranged between the two feeding rollers. Limiting rings are arranged on both sides of the film roll on the feeding rollers. A film leveling roller is arranged on the feeding frame in front of the feeding rollers. A slide rail is arranged above the film leveling roller on the feeding frame. A plurality of film pressing devices are slidably connected to the slide rail. A film tension adjusting device is arranged below the film leveling roller on the feeding frame. The feeding rollers perform automatic feeding of the film roll. After the position of the film roll is adjusted, the limiting rings are used to limit the position of the film roll to prevent the film roll from shifting. The film leveling roller and the film pressing devices cooperate to ensure the flatness of the film. The film tension adjusting device can adjust the tension of the film to avoid curling and folding of the film and improve the packaging work efficiency.

[0005] Preferably, the film pressing device includes a slider slidably connected to the slide rail, a transfer frame transferred on the slider, a pressing wheel arranged on the transfer frame, and a spring arranged between the slider and the transfer frame. A tightening member cooperating with the slide rail is arranged on the slider. According to the conveying position of the film, the slider is moved to the corresponding position on the slide rail by using the slider, the tightening member is tightened to fix the slider, the transfer frame is rotated, and the pressing wheel on the transfer frame is used to press the film by using the spring, which can effectively ensure the flatness of the film.

[0006] Preferably, the film tension adjusting device includes a rotating shaft provided on the feeding rack, an adapter ring fixed on the rotating shaft, an adapter plate provided on the adapter ring, and a tension shaft provided at the end of the adapter plate. A detachable tension adjusting handle is provided on the rotating shaft. The tension adjusting handle drives the rotating shaft to rotate, drives the tension shaft to rotate through the adapter ring and the adapter plate, and the tension shaft fits with the film to control the tension of the film. By replacing the tension adjusting handle with different weights, the position of the tension shaft can be adjusted, thereby adjusting the tension of the film.

[0007] Preferably, a clamping rack is provided on the support frame, and a film turning roller is provided on the clamping rack. The film turning roller is used to adjust the turning of the film, facilitating the packaging of the products on the packaging table with the film.

[0008] Preferably, a vertical chute is provided on the clamping rack, and a plurality of card slots are evenly provided along the vertical direction on the side of the chute. Clamping posts corresponding to the card slots are provided at both ends of the film turning roller. The position of the film turning roller on the clamping rack is adjusted by the position of the card slots, which is suitable for film packaging of products with different heights on the packaging table and is convenient for operation.

[0009] Preferably, a motor for driving the feeding roller to rotate is provided on the feeding rack, and a control rod communicated with the motor is provided on the side of the feeding rack. The control rod controls the start and stop of the motor, and thus controls the rotation and stop of the feeding roller, which is convenient for control.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] For the film feeding device of the film packaging machine adopting the above technical solution, the feeding roller automatically feeds the film roll. After the position of the film roll is adjusted, the position of the film roll is limited by the limiting ring to prevent the film roll from shifting. The film leveling roller and the film pressing device cooperate to ensure the flatness of the film. The film tension adjusting device can adjust the tension of the film, avoid the curling and folding of the film, and improve the working efficiency of packaging. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is Figure 1 an enlarged view of part A in

[0014] Figure 3 is Figure 1 an enlarged view of part B in

[0015] In the figure: 1, support frame; 2, feeding frame; 3, feeding roller; 4, film roll; 5, limit ring; 6, film leveling roller; 7, slide rail; 8, film pressing device; 81, slider; 82, adapter frame; 83, pressing wheel; 84, spring; 85, tightening member; 9, film tension adjustment device; 91, rotating shaft; 92, adapter ring; 93, adapter plate; 94, tensioning shaft; 95, tension adjustment handle; 10, clamping frame; 11, chute; 12, clamping groove; 13, film turning roller; 14, clamping post; 15, motor; 16, control rod. Detailed implementation manners

[0016] Next, in combination with the accompanying drawings and specific implementation manners, the present application will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0017] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0018] As Figures 1 to 3 shown, the feeding and rolling device for a film packaging machine includes a support frame 1, a feeding frame 2 provided on the support frame 1, two feeding rollers 3 provided on the feeding frame 2, and a film roll 4 provided between the two feeding rollers 3. Limit rings 5 are provided on both sides of the film roll 4 on the feeding rollers 3. A film leveling roller 6 is provided on the feeding frame 2 in front of the feeding rollers 3. A slide rail 7 is provided above the film leveling roller 6 on the feeding frame 2. A plurality of film pressing devices 8 are slidably connected to the slide rail 7. A film tension adjustment device 9 is provided below the film leveling roller 6 on the feeding frame 2. The feeding rollers 3 automatically feed the film roll 4. After the position of the film roll 4 is adjusted, the limit rings 5 are used to limit the position of the film roll 4 to prevent the film roll 4 from shifting. By adjusting the position of the film pressing device 8 on the slide rail 7, the film leveling roller 6 and the film pressing device 8 cooperate to ensure the flatness of the film. The film tension adjustment device 9 can adjust the tension of the film to prevent the film from curling and folding, and improve the working efficiency of packaging.

[0019] The film pressing device 8 includes a slider 81 slidably connected to the slide rail 7, a transfer rack 82 connected to the slider 81, a pressing wheel 83 provided on the transfer rack 82, and a spring 84 provided between the slider 81 and the transfer rack 82. A tightening member 85 cooperating with the slide rail 7 is provided on the slider 81. According to the conveying position of the film, the slider 81 is moved to the corresponding position on the slide rail 7 by using the slider 81, the tightening member 85 is tightened to fix the slider 81, the transfer rack 82 is rotated, and the pressing wheel 83 on the transfer rack 82 is made to press the film by using the spring 84, which can effectively ensure the flatness of the film.

[0020] The film tension adjusting device 9 includes a rotating shaft 91 provided on the feeding rack 2, a transfer ring 92 fixed to the rotating shaft 91, a transfer plate 93 provided on the transfer ring 92, and a tension shaft 94 provided at the end of the transfer plate 93. A detachable tension adjusting handle 95 is provided on the rotating shaft 91. The tension adjusting handle 95 drives the rotating shaft 91 to rotate, drives the tension shaft 94 to rotate and position through the transfer ring 92 and the transfer plate 93. The tension shaft 94 is attached to the film to control the tension of the film. By replacing the tension adjusting handle 95 with different weights, the position of the tension shaft 94 can be adjusted, and thus the tension of the film can be adjusted.

[0021] A clamping rack 10 is provided on the support frame 1, and a film turning roller 13 is provided on the clamping rack 10. The turning of the film is adjusted by using the film turning roller 13, which is convenient for the film to package the products on the packaging table. The clamping rack 10 adopts an L-shaped structure, which is convenient for fixing.

[0022] A vertical chute 11 is provided on the clamping rack 10, and a plurality of card slots 12 are uniformly provided on the side of the chute 11 in the vertical direction. Clamping posts 14 corresponding to the card slots 12 are provided at both ends of the film turning roller 13. The position of the film turning roller 13 on the clamping rack 10 is adjusted by the position of the card slots 12, which is suitable for film packaging of products with different heights on the packaging table and is convenient for operation.

[0023] A motor 15 for driving the feeding roller 3 to rotate is provided on the feeding rack 2, and a control rod 16 communicated with the motor 15 is provided on the side of the feeding rack 2. The control rod 16 controls the start and stop of the motor 15, and thus controls the rotation and stop of the feeding roller 3, and the control is convenient.

[0024] The above embodiments are only the preferred embodiments of the present application, and the scope of protection of the present application cannot be limited thereby. Any non-substantive changes and substitutions made by those skilled in the art on the basis of the present application belong to the scope of protection required by the present application.

Claims

1. A feeding roll device for a film wrapping machine, characterized in that: It includes a support frame (1), a feeding frame (2) provided on the support frame (1), two feeding rollers (3) provided on the feeding frame (2), and a film roll (4) provided between the two feeding rollers (3). Limiting rings (5) are provided on both sides of the film roll (4) on the feeding rollers (3). A film flattening roller (6) is provided on the feeding frame (2) in front of the feeding rollers (3). A slide rail (7) is provided above the film flattening roller (6) on the feeding frame (2). A number of film pressing devices (8) are slidably connected to the slide rail (7). A film tension adjustment device (9) is provided below the film flattening roller (6) on the feeding frame (2).

2. The feeding and winding device for a film packaging machine according to claim 1, wherein: The film pressing device (8) includes a slider (81) slidably connected to the slide rail (7), a transfer frame (82) transferred on the slider (81), a pressing wheel (83) provided on the transfer frame (82), and a spring (84) provided between the slider (81) and the transfer frame (82). A tightening member (85) cooperating with the slide rail (7) is provided on the slider (81).

3. The unwinding device for a film packaging machine according to claim 1, wherein: The film tension adjustment device (9) includes a rotating shaft (91) provided on the feeding frame (2), a transfer ring (92) fixed to the rotating shaft (91), a transfer plate (93) provided on the transfer ring (92), and a tensioning shaft (94) provided at the end of the transfer plate (93). A detachable tension adjustment handle (95) is provided on the rotating shaft (91).

4. The unwinding device for a film packaging machine according to claim 1, characterized in that: A clamping frame (10) is provided on the support frame (1), and a film turning roller (13) is provided on the clamping frame (10).

5. The feeding and winding device for a film packaging machine according to claim 4, wherein: A vertical chute (11) is provided on the clamping frame (10), and a number of card slots (12) are uniformly provided along the vertical direction on the side of the chute (11). Clamping posts (14) corresponding to the card slots (12) are provided at both ends of the film turning roller (13).

6. The feeding roll device for a film packaging machine according to claim 1, characterized in that: A motor (15) for driving the feeding roller (3) to rotate is provided on the feeding frame (2), and a control rod (16) communicating with the motor (15) is provided on the side of the feeding frame (2).

Images