Film guiding mechanism of vertical automatic bag-making packaging machine

Abstract

The utility model discloses a film guiding mechanism of a vertical automatic bag-making packaging machine, which comprises a film guiding frame, a film guiding mechanism and a film guiding mechanism, the inflatable shaft is rotationally arranged at the bottom end of the film guide frame and used for fixing the packaging film roller, and a brake disc is arranged at one end of the inflatable shaft; the aluminum rollers are distributed on the film guide frame; the connecting shaft is rotationally arranged at the bottom end of the film guide frame; the tension bracket is fixedly connected with the connecting shaft; an adjusting piece is further included. The elastic reset piece can automatically drive the brake plate to reset when the tension frame resets forwards, the tension degree of the membrane is adjusted and controlled, and compared with the prior art, the use cost and the manual labor intensity are reduced, meanwhile, control is convenient, and the operation difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bag making and packaging machines, in particular to a film guiding mechanism of a vertical automatic bag making and packaging machine. Background Art

[0002] Bag making and packaging machines, as the name suggests, have both bag making and packaging functions. They can pack the materials that need to be packed while making bags, and can carry out integrated production, which is easy to use; for example, they can be used to pack snacks such as potato chips and biscuits.

[0003] A vertical automatic bag making and packaging machine proposed in application number: 202110670139.7 discloses: it includes an installation main frame, a film guiding mechanism, a forming mechanism, a film pulling mechanism, a vertical sealing mechanism and a horizontal sealing mechanism installed on the installation main frame in sequence, and its film guiding mechanism has a first adjusting mechanism, and its first adjusting mechanism includes a connecting shaft rotatably connected to the bottom end of the film guiding frame, a driving device fixed to one side of the film guiding frame, a rotating rod fixed to one end of the connecting shaft, a connecting rod movably connected to the rotating rod, a brake plate rotatably connected to one side of the film guiding frame, a brake disc fixedly connected to one end of the inflatable shaft through an axis body, and a tension frame fixedly connected to the connecting shaft, the driving device drives the connecting shaft to rotate, the other end of the connecting rod is movably connected to one end of the brake plate, the brake plate and the brake disc cooperate for braking, and the packaging film is wrapped around the tension frame.

[0004] Although the film guide mechanism in the vertical automatic bag making and packaging machine can adjust the tension of the packaging film through the first adjustment mechanism, it needs to control the rotary rod to reset through the driving device when in use, and the control of the driving device generally relies on manual control, which increases the labor intensity and the difficulty of adjusting the tension of the packaging film, making it more troublesome to use. To this end, we propose a film guide mechanism for a vertical automatic bag making and packaging machine. Utility Model Content

[0005] The utility model aims to provide a film guiding mechanism of a vertical automatic bag making and packaging machine to solve the problem that the tension adjustment of the existing packaging film is troublesome as mentioned in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A film guiding mechanism of a vertical automatic bag making and packaging machine, comprising:

[0008] The film guide frame is installed on the main frame of the vertical automatic bag making and packaging machine;

[0009] An inflatable shaft is rotatably arranged at the bottom end of the film guide frame for fixing the packaging film roller, and a brake disc is arranged at one end of the inflatable shaft;

[0010] Aluminum rollers, provided in several groups, are distributed on the film guide frame;

[0011] A connecting shaft is rotatably arranged at the bottom end of the film guide frame;

[0012] The tension frame is fixedly connected to the connecting shaft; and also includes an adjusting member, the adjusting member includes:

[0013] A rotating rod is fixedly arranged at one end of the connecting shaft, and a rotating shaft at one end of the rotating rod away from the connecting shaft is connected to a sliding member; and

[0014] The connecting rod movably penetrates the sliding member, one end of which is rotatably connected with a brake plate corresponding to the brake disc, and the outer wall of the other end is sleeved with an elastic reset member for driving the rotating rod to reset, and the brake plate rotating shaft is connected to the film guide frame.

[0015] A further improvement is that an arc groove is provided on one side of the brake plate facing the brake disc.

[0016] A further improvement is that a plurality of groups of film placing rollers are rotatably provided at the top end of the film guide frame.

[0017] A further improvement is that a detection member is provided at the top of the film guide frame, and the detection member includes:

[0018] A lead screw is rotatably arranged at the top of the film guide frame, and a threaded sleeve on the outer wall of the lead screw is provided with a slide seat, and a photoelectric sensor is provided on the slide seat;

[0019] A guide rod is arranged at the top of the film guide frame and movably passes through the slide seat, and its axis is parallel to the axis of the lead screw; and

[0020] The hand wheel is fixed on one end of the lead screw.

[0021] A further improvement is that it also includes a printing device arranged on the top of the film guide frame.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The adjusting part of the utility model, when the packaging film pulls the tension frame to rotate backward, the tension frame drives the connecting shaft, the connecting shaft drives the rotating rod, the rotating rod drives the brake plate to rotate through the sliding part, and the sliding part squeezes the elastic reset part, so that the other end of the brake plate contacts and squeezes the brake disc to make the packaging film roller on the inflatable shaft reduce the film release speed, change the tension of the film, and adopts an elastic reset part to automatically drive the brake plate to reset when the tension frame resets forward, so as to realize the regulation of the tension of the film. Compared with the prior art, it reduces the use cost and labor intensity while facilitating control and reducing the difficulty of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2This is a schematic diagram of the film guide structure of the utility model;

[0026] Figure 3 For this utility model Figure 2 Schematic diagram of the structure from another perspective.

[0027] In the figure: 1. Film guide frame; 2. Main mounting frame; 3. Inflatable shaft; 4. Aluminum roller; 5. Connecting shaft; 6. Tension frame; 7. Adjusting part; 71. Rotating rod; 72. Sliding part; 73. Connecting rod; 74. Brake plate; 75. Elastic reset part; 8. Film placing roller; 9. Detection part; 91. Lead screw; 92. Guide rod; 93. Hand wheel; 94. Photoelectric sensor; 10. Printing device; 11. Brake disc. DETAILED DESCRIPTION

[0028] The following will be combined with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example 1

[0030] Please see attached Figure 1 -Attached Figure 2

[0031] A film guiding mechanism of a vertical automatic bag making and packaging machine, comprising:

[0032] The film guide frame 1 is arranged on the main mounting frame 2 of the vertical automatic bag making and packaging machine;

[0033] An inflatable shaft 3 is rotatably arranged at the bottom end of the film guide frame 1 for fixing the packaging film roller, and a brake disc 11 is arranged at one end of the inflatable shaft 3;

[0034] Aluminum rollers 4 are provided in several groups and are distributed on the film guide frame 1;

[0035] A connecting shaft 5 is rotatably disposed at the bottom end of the film guide frame 1;

[0036] A tension frame 6, fixedly connected to the connecting shaft 5, for winding the packaging film;

[0037] The above structure is a commonly used structure of bag making and packaging machines in the prior art, and is a conventional technology well known in the art, and will not be described in detail here;

[0038] It also includes an adjusting member 7, which includes:

[0039] The rotating rod 71 is fixed to one end of the connecting shaft 5, and the rotating shaft of the end of the rotating rod 71 away from the connecting shaft 5 is connected to the sliding member 72; and

[0040] The connecting rod 73 movably passes through the sliding member 72, and one end of the connecting rod 73 is rotatably connected to a brake plate 74 corresponding to the brake disc 11, and the outer wall of the other end is sleeved with an elastic reset member 75 for driving the rotating rod 71 to reset, and the rotation axis of the brake plate 74 is connected to the film guide frame 1; the elastic reset member 75, for example, includes a spring with one end connected to the sliding member 72 and the other end connected to a mounting member, the mounting member can be detachably fixed to the outer wall of the connecting rod 73, and the mounting member, such as a nut, etc., and the brake plate 74 cooperates with the brake disc 11 for braking.

[0041] Working principle: after the packaging film on the packaging film roller is wound around the aluminum roller 4, the tension frame 6 and the film placing roller 8, when in action, as the packaging film is continuously transported backward, the packaging film pulls the tension frame 6 to rotate backward, the tension frame 6 drives the connecting shaft 5 to rotate, the connecting shaft 5 drives the rotating rod 71 to rotate, the rotating rod 71 drives the brake plate 74 to rotate through the sliding member 72, and at the same time the sliding member 72 squeezes the elastic reset member 75, the other end of the brake plate 74 contacts and squeezes the brake disc 11, and the rotation of the inflatable shaft 3 is slowed down by friction, so that the packaging film roller on the inflatable shaft 3 reduces the film placing speed, the tension of the film increases, and the elastic reset member 75 can drive the brake plate 74 to automatically reset when the tension frame 6 resets forward, so as to realize the regulation of the tension of the film. Compared with the prior art that uses a driving device to drive the connecting shaft 5 to reverse and reset, the use cost is reduced, there is no need for frequent manual control, and the operation difficulty is reduced.

[0042] Preferably, an arc-shaped groove is formed on the side of the brake plate 74 of this embodiment facing the brake disc 11 , so that the brake plate 74 can better contact and squeeze the brake disc 11 .

[0043] Please see attached Figure 3

[0044] Preferably, the top of the film guide frame 1 of this embodiment is rotatably provided with a plurality of sets of film placing rollers 8 for guiding the packaging film into the next process, such as the forming mechanism of the bag making and packaging machine.

[0045] Preferably, a detection member 9 is provided at the top of the film guide frame 1 of this embodiment, and the detection member 9 includes:

[0046] The lead screw 91 is rotatably arranged at the top of the film guide frame 1, and a sliding seat is provided on the threaded sleeve of the outer wall thereof, and a photoelectric sensor 94 is provided on the sliding seat;

[0047] A guide rod 92 is disposed at the top of the film guide frame 1 and movably passes through the slide seat, and its axis is parallel to the axis of the lead screw 91; and

[0048] The hand wheel 93 is fixed to one end of the lead screw 91 .

[0049] By rotating the hand wheel 93, the slide can be driven to move along the guide rod 92, so as to adjust the position of the photoelectric sensor 94. The photoelectric sensor 94 can detect the transmitted packaging film, for example, detect defects on the surface of the film material, such as scratches, stains, holes, etc.

[0050] Preferably, the present embodiment further includes a printing device 10 disposed at the top of the film guide frame 1. The printing device 10 is a commonly used structure in bag making and packaging machines in the prior art and is a conventional technology well known in the art, and will not be described in detail herein.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A film guiding mechanism of a vertical automatic bag making and packaging machine, comprising: A film guide frame (1) is arranged on a main mounting frame (2) of a vertical automatic bag making and packaging machine; An inflatable shaft (3) is rotatably arranged at the bottom end of the film guide frame (1) for fixing the packaging film roller, and a brake disc (11) is arranged at one end of the inflatable shaft (3); Aluminum rollers (4) are provided in a plurality of groups and are distributed on the film guide frame (1); A connecting shaft (5) is rotatably disposed at the bottom end of the film guide frame (1); The tension frame (6) is fixedly connected to the connecting shaft (5); characterized in that it also includes an adjusting member (7), wherein the adjusting member (7) includes: A rotating rod (71) is fixedly arranged at one end of the connecting shaft (5), and a rotating shaft at one end of the rotating rod (71) away from the connecting shaft (5) is connected to a sliding member (72); and, The connecting rod (73) movably passes through the sliding member (72), one end of which is rotatably connected to a brake plate (74) corresponding to the brake disc (11), and the outer wall of the other end is sleeved with an elastic reset member (75) for driving the rotating rod (71) to reset, and the rotation axis of the brake plate (74) is connected to the film guide frame (1).

2. The film guiding mechanism according to claim 1, characterized in that: An arc-shaped groove is formed on one side of the brake plate (74) facing the brake disc (11).

3. The film guiding mechanism according to claim 1, characterized in that: A plurality of groups of film placing rollers (8) are rotatably provided at the top end of the film guide frame (1).

4. The film guiding mechanism according to claim 1, characterized in that: The top end of the film guide frame (1) is provided with a detection member (9), and the detection member (9) comprises: A lead screw (91) is rotatably arranged at the top end of the film guide frame (1), and a sliding seat is provided on the threaded sleeve of the outer wall of the lead screw (91), and a photoelectric sensor (94) is provided on the sliding seat; A guide rod (92) is disposed at the top of the film guide frame (1) and movably passes through the slide seat, and its axis is parallel to the axis of the lead screw (91); and The hand wheel (93) is fixedly arranged on one end of the lead screw (91).

5. The film guiding mechanism according to claim 1, characterized in that: It also includes a printing device (10) arranged on the top of the film guide frame (1).

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