Automatic feeding device of bag making machine

Abstract

The utility model discloses an automatic feeding device of a bag making machine, which belongs to the field of pressing and covering structures and comprises a bottom plate, two support frames are symmetrically mounted at the upper end of the bottom plate, a group of side plates are mounted on each of two sides of the upper end of the bottom plate, a servo motor is mounted on the side wall of one group of side plates through a mounting plate, and the servo motor is mounted on the side wall of the other group of side plates through a mounting plate. The output end of the servo motor is provided with a driving roller through a coupler, the opposite side walls of the supporting frame are provided with connecting rods, the upper end of the supporting frame is in threaded connection with a threaded rod, and the lower end of the threaded rod is rotationally connected with a mounting plate. And meanwhile, according to the device, the driven roller can be taken down conveniently, so that the plastic film roller can be arranged on the driven roller in a sleeving mode conveniently, and then the plastic film roller can be replaced conveniently.

Description

Technical Field

[0001] The utility model relates to the field of pressing structures, and more specifically to an automatic feeding device for a bag making machine. Background Art

[0002] When a bag making machine makes plastic bags and other bags, it is necessary to use a feeding device and a traction mechanism of the bag making machine to transport the plastic film to the bag making machine. The existing feeding device generally directly tensions the plastic film through multiple rollers, which may make it difficult to squeeze out the original bubbles in the inner cavity of the plastic film, so it may cause deviations when the plastic film is cut, and the side walls of the plastic film are generally contaminated with other flaky attachments, which may cause the two ends of the plastic bag to be uneven after cutting. Utility Model Content

[0003] 1. Technical problems to be solved

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an automatic feeding device for a bag making machine, which is convenient for adjusting the height of the mounting plate according to the thickness of the plastic bag, so that the extrusion roller is close to the lifting plate, and then the extrusion roller and the lifting plate are convenient for squeezing the plastic film to squeeze out the bubbles in the plastic film. At the same time, the device is convenient for removing the driven roller, so that the plastic film roller is conveniently mounted on the driven roller, and then the plastic film roller is conveniently replaced.

[0005] 2. Technical solution

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A bag making machine automatic feeding device comprises a base plate, wherein two symmetrical support frames are installed at the upper end of the base plate, and a group of side plates are installed on both sides of the upper end of the base plate, and a servo motor is installed on the side walls of one group of the side plates through a mounting plate, and a driving roller is installed on the output end of the servo motor through a coupling, and a connecting rod is installed on the opposite side walls of the support frame, a threaded rod is threadedly connected to the upper end of the support frame, and a mounting plate is rotatably connected to the lower end of the threaded rod, and two symmetrical extrusion rollers are rotatably connected to the lower end of the mounting plate through an auxiliary block, and two symmetrical lifting plates are installed on the opposite side walls of the support frame and the side walls of the connecting rod, and a driven roller is rotatably connected to one group of the side plates, and gears are installed on the adjacent side walls of the driving roller and the driven roller.

[0008] Furthermore, the active roller and the driven roller are connected by gear meshing, and both groups of side plates are provided with rotation grooves. The driven roller is rotationally connected to the rotation grooves, and the other group of side plates is rotated to be connected to auxiliary rollers, so that the active roller drives the driven roller to rotate through the gears, thereby facilitating the conveying of the plastic film.

[0009] Furthermore, the support frame is provided with a threaded hole, the threaded rod is threadedly connected to the threaded hole, the mounting plate is provided with a connecting groove, the lower end of the threaded rod is installed with a connecting plate, the connecting plate is rotatably connected to the connecting groove, and the lower end side wall of the threaded rod is in contact with the upper end of the mounting plate but not connected, so that the threaded rod can adjust the height of the mounting plate conveniently.

[0010] Furthermore, one of the lifting plates is arranged to be inclined, the other lifting plate is parallel, and the edges and corners of the two lifting plates are chamfered, and the upper surfaces of the two lifting plates are smoothed to prevent the lifting plates from scratching the plastic film and facilitate the plastic film to be formed on the upper surface of the lifting plates.

[0011] 3. Beneficial effects

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] (1) The utility model facilitates adjusting the height of the mounting plate according to the thickness of the plastic bag, so that the squeezing roller is close to the lifting plate, and then the squeezing roller and the lifting plate are convenient for squeezing the plastic film to squeeze out the bubbles in the plastic film. At the same time, the device facilitates removing the driven roller, so that the plastic film roller is conveniently mounted on the driven roller, and then the plastic film roller is conveniently replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural sectional view of the utility model;

[0015] Figure 2 It is a top view of the structure of the utility model;

[0016] Description of the numbers in the figure:

[0017] 1. Bottom plate; 2. Support frame; 3. Side plate; 4. Servo motor; 5. Connecting rod; 6. Threaded rod; 7. Mounting plate; 8. Extrusion roller; 9. Lifting plate; 10. Active roller; 11. Driven roller. DETAILED DESCRIPTION

[0018] The following will combine the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. All other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments in the utility model belong to the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] Embodiment 1:

[0022] See also Figure 1-2 , an automatic feeding device for a bag making machine, comprising a bottom plate 1, two symmetrically arranged support frames 2 are installed on the upper end of the bottom plate 1, a group of side plates 3 are installed on both sides of the upper end of the bottom plate 1, a servo motor 4 is installed on the side wall of one group of side plates 3 through a mounting plate, an active roller 10 is installed on the output end of the servo motor 4 through a coupling, a connecting rod 5 is installed on the opposite side walls of the support frame 2, a threaded rod 6 is threadedly connected to the upper end of the support frame 2, a mounting plate 7 is rotatably connected to the lower end of the threaded rod 6, and two symmetrically arranged squeezing rollers 8 are rotatably connected to the lower end of the mounting plate 7 through an auxiliary block, two symmetrical lifting plates 9 are installed on the opposite side walls of the support frame 2 and the side walls of the connecting rod 5, a driven roller 11 is rotatably connected to one group of side plates 3, and gears are installed on the adjacent side walls of the active roller 10 and the driven roller 11.

[0023] The active roller 10 and the driven roller 11 are connected by gear meshing. Both sets of side plates 3 are provided with rotation grooves. The driven roller 11 is rotated to connect to the rotation grooves. The other set of side plates 3 is rotated to connect to the auxiliary roller, so that the active roller 10 drives the driven roller 11 to rotate through the gears, thereby facilitating the conveying of the plastic film.

[0024] The support frame 2 is provided with a threaded hole, the threaded rod 6 is threadedly connected to the threaded hole, the mounting plate 7 is provided with a connecting groove, the lower end of the threaded rod 6 is installed with a connecting plate, the connecting plate is rotatably connected to the connecting groove, and the lower end side wall of the threaded rod 6 is in contact with the upper end of the mounting plate 7 but not connected, so that the threaded rod 6 can adjust the height of the mounting plate 7 conveniently.

[0025] One of the lifting plates 9 is set to be inclined, and the other lifting plate 9 is parallel, and the edges and corners of the two lifting plates 9 are chamfered. The upper surfaces of the two lifting plates 9 are smoothed to prevent the lifting plates 9 from scratching the plastic film and facilitate the plastic film to be formed on the upper surface of the lifting plates 9.

[0026] When in use, a technician in the field sets the stretched plastic film roller on the side wall of the driven roller 11, then embeds the driven roller 11 in the rotating groove of the side plate 3, and makes the gears on the side walls of the active roller 10 and the driven roller 11 mesh, then passes the plastic film between the squeezing roller 8 and the lifting plate 9, and then passes the plastic film under the auxiliary roller (and then connects the traction mechanism of the bag making machine), and then rotates the threaded rod 6, and the threaded rod 6 pushes the squeezing roller 8 to the lifting plate 9 through the mounting plate 7, and adjusts the distance between the squeezing roller 8 and the lifting plate 9, so as to facilitate The squeezing roller 8 squeezes the plastic film on the lifting plate 9 to eliminate bubbles in the plastic film, and at the same time, the lifting plate 9 on the left side can scrape off excess attachments on the lower surface of the plastic film. The utility model facilitates adjusting the height of the mounting plate 7 according to the thickness of the plastic bag, so that the squeezing roller 8 is close to the lifting plate 9, and then the squeezing roller 8 and the lifting plate 9 squeeze the plastic film to squeeze out bubbles in the plastic film. At the same time, the device facilitates removing the driven roller 11, thereby facilitating the plastic film roller to be sleeved on the driven roller 11, and then facilitating the replacement of the plastic film roller.

[0027] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field within the technical scope disclosed by the utility model and any equivalent replacement or change based on the technical solution and improved concept of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic feeding device for a bag making machine, comprising a bottom plate (1), characterized in that: Two symmetrically arranged support frames (2) are installed at the upper end of the base plate (1), and a group of side plates (3) are installed on both sides of the upper end of the base plate (1), wherein the side walls of one group of the side plates (3) are installed with a servo motor (4) through a mounting plate, and the output end of the servo motor (4) is installed with a driving roller (10) through a coupling, and the opposite side walls of the support frame (2) are installed with a connecting rod (5), and the upper end of the support frame (2) is threadedly connected with a threaded rod (6), and the lower end of the threaded rod (6) is rotatably connected with a mounting plate (7), and the lower end of the mounting plate (7) is rotatably connected with two symmetrically arranged squeezing rollers (8) through an auxiliary block, and the opposite side walls of the support frame (2) and the side walls of the connecting rod (5) are installed with two symmetrical lifting plates (9), and one group of the side plates (3) is rotatably connected with a driven roller (11), and the adjacent side walls of the driving roller (10) and the driven roller (11) are both installed with gears.

2. The automatic feeding device for a bag making machine according to claim 1, characterized in that: The active roller (10) and the driven roller (11) are connected by gear meshing, and both sets of the side plates (3) are provided with rotation grooves. The driven roller (11) is rotationally connected to the rotation groove, and the other set of the side plates (3) is rotationally connected to the auxiliary roller.

3. The automatic feeding device for a bag making machine according to claim 2, characterized in that: The support frame (2) is provided with a threaded hole, the threaded rod (6) is threadedly connected to the threaded hole, the mounting plate (7) is provided with a connecting groove, a connecting plate is mounted at the lower end of the threaded rod (6), the connecting plate is rotatably connected to the connecting groove, and the lower end side wall of the threaded rod (6) is in contact with the upper end of the mounting plate (7) but not connected.

4. The automatic feeding device for a bag making machine according to claim 1, characterized in that: One of the lifting plates (9) is arranged in an inclined shape, the other lifting plate (9) is parallel, and the corners of the two lifting plates (9) are chamfered, and the upper surfaces of the two lifting plates (9) are smoothed.

Images