Bag bottom gluing mechanism of bag making machine

Abstract

The utility model discloses a bag bottom gluing mechanism of a bag making machine, which comprises a winding roller group, a first gluing assembly and a second gluing assembly, the first gluing assembly can glue one side of a flattened and unfolded bag bottom to obtain a first gluing part and a second gluing part, and the second gluing part is used for gluing the other side of the flattened and unfolded bag bottom. The second gluing assembly can conduct gluing on the other side of the flattened and unfolded bag bottom to obtain a third gluing part and a fourth gluing part, and the first gluing part and the second gluing part can enable the two ends of the folding position of the first inner folding part of the bag bottom to be bonded and sealed. The third gluing part and the fourth gluing part can enable the two ends of the folding position of the second inner folding part of the bag bottom to be bonded and sealed. The packaging bag bottom gluing device is simple in structure, reasonable in design and capable of gluing the specific portion of the unfolded bag bottom of a packaging bag, so that it is guaranteed that the bag bottom can be bonded and sealed in the folding forming process, the sealing performance of the bag bottom of the packaging bag is improved, and the powder leakage condition is prevented.

Description

Technical Field

[0001] The utility model relates to bag making equipment, in particular to a bag bottom gluing mechanism of a bag making machine. Background Art

[0002] The bag making machine is a special equipment that can automatically produce packaging bags. During the production process of packaging bags, the bottom of the packaging bag needs to be folded and formed. After the bottom of the bag is folded and formed, a bottom sticker is attached to the outside to fix the bottom of the bag after folding and forming. After the bottom of the bag is formed, there is often a certain gap at the folded edge of the bottom of the bag. At this time, if powdery, granular solid materials or liquid materials are placed in the bag, the materials are easy to leak out from the gap of the folded bottom of the bag. This leakage is very common in the above-mentioned folded bottom structure, resulting in material waste and poor user experience. Utility Model Content

[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the utility model is to provide a bag bottom gluing mechanism for a bag making machine for solving the above-mentioned problem.

[0004] To this end, the utility model is implemented by adopting the following scheme:

[0005] A bag bottom gluing mechanism of a bag making machine is characterized in that it includes a winding roller group, a first gluing component and a second gluing component, the first gluing component can glue one side of the flattened and unfolded bag bottom to obtain a first gluing part and a second gluing part, the second gluing component can glue the other side of the flattened and unfolded bag bottom to obtain a third gluing part and a fourth gluing part, the first and second gluing parts can make the two ends of the folded part of the first inner folded part of the bag bottom be bonded and sealed, and the third and fourth gluing parts can make the two ends of the folded part of the second inner folded part of the bag bottom be bonded and sealed.

[0006] The first gluing assembly includes a first gluing head and a second gluing head arranged on the left and right, and the first and second gluing heads are connected to corresponding moving driving assemblies.

[0007] The mobile drive assembly includes a first linear motor and a second linear motor, the slider of the first linear motor is connected to the cylinder body of the first cylinder, the piston rod of the first cylinder is connected to the first gluing head, the slider of the second linear motor is connected to the cylinder body of the second cylinder, and the piston rod of the second cylinder is connected to the second gluing head.

[0008] The structure of the second gluing component is the same as that of the first gluing component.

[0009] A glue clearance groove is provided on the winding roller at the discharge end of the second gluing component.

[0010] A traction roller group and a cutting assembly are sequentially arranged at the discharge end of the winding roller group, and a glue clearance groove is also arranged on the traction roller group.

[0011] The cutting assembly comprises a first motor, the output end of which is connected to a main synchronous wheel, a synchronous belt passes around the main synchronous wheel, a cutter seat is connected to the synchronous belt, and a cutter is arranged on the cutter seat.

[0012] The bag bottom gluing mechanism of a bag making machine of the above technical solution can gluing the specific part of the unfolded bag bottom, thereby ensuring that the bag bottom can be bonded and sealed during the folding and forming process, improving the sealing of the bag bottom and preventing powder and liquid leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model has the following drawings:

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 for Figure 1 A partial enlarged view of the area pointed by A in the middle;

[0016] Figure 3 for Figure 1 A partial enlarged view of the area pointed by B in the middle;

[0017] Figure 4 It is a structural diagram of the two sides of the packaging bag after gluing and without the bag bottom folded;

[0018] Figure 5 Schematic diagram of the bag bottom folding process after gluing. DETAILED DESCRIPTION

[0019] As shown in the figure, the present utility model discloses a bag bottom gluing mechanism of a bag making machine, including a winding roller group 4, a first gluing component 2 and a second gluing component 3. The first gluing component 2 can gluing one side of the flattened and unfolded bag bottom to obtain a first gluing part 16 and a second gluing part 17. The second gluing component can gluing the other side of the flattened and unfolded bag bottom to obtain a third gluing part 18 and a fourth gluing part 19. The first and second gluing parts can make the two ends of the folded part of the first inner folding part 20 of the bag bottom to be bonded and sealed, and the third and fourth gluing parts can make the two ends of the folded part of the second inner folding part 21 of the bag bottom to be bonded and sealed. Specifically, the first gluing component includes a first gluing head 12 and a second gluing head arranged on the left and right, and the first and second gluing heads are connected to the corresponding mobile drive components. The mobile drive assembly includes a first linear motor 9 and a second linear motor. The slider of the first linear motor 9 is connected to the cylinder body of the first cylinder 11. The piston rod of the first cylinder 11 is connected to the first gluing head 12. The slider of the second linear motor is connected to the cylinder body of the second cylinder. The piston rod of the second cylinder is connected to the second gluing head. By controlling the linear motor, the corresponding gluing head can be driven to move horizontally. By controlling the cylinder, the corresponding gluing head can be driven to move up and down. The structure of the second gluing assembly is the same as that of the first gluing assembly. A glue clearance groove 5 is provided on the winding roller at the discharge end of the second gluing assembly to avoid contact with the gluing part on the packaging bag. At the discharge end of the winding roller group, a traction roller group 22 and a cutting assembly are sequentially arranged, and a glue clearance groove 23 is also arranged on the traction roller group. The cutting assembly includes a first motor 6, and the output end of the first motor 6 is connected to the main synchronous wheel 7. The synchronous belt 8 bypasses the main synchronous wheel 7. The synchronous belt 8 is connected to a cutter seat 13, and a cutter 14 is arranged on the cutter seat 13. The bag body after gluing can be cut to obtain a single bag body for subsequent folding and forming of the bag bottom.

[0020] In addition, it should be noted that the gluing component in this embodiment can be a gluing component made of ordinary glue, or can be some special adhesives, such as hot melt adhesive, etc.

[0021] The working principle of the utility model is as follows: the packaging bag substrate is pulled by the pulling roller group 22, the packaging bag substrate first passes through the first gluing component 2, and is glued on one side of the packaging bag substrate to obtain the first gluing portion 16 and the second gluing portion 17, and then the packaging bag substrate is pulled through the second gluing component 3, and is glued on the other side of the packaging bag belt substrate to obtain the third gluing portion 18 and the fourth gluing portion 19, and then is pulled to the cutting component to cut the packaging bag substrate into individual packaging bags, so that the bag bottom of the subsequent packaging bag can be folded and formed.

[0022] When the bag bottom of the packaging bag that has been glued as mentioned above is folded, the bag bottom is first unfolded, and then the first inner folding portion 20 of the packaging bag is folded inward. At this time, due to the existence of the first and second glue portions, the two ends of the folded part of the first inner folding portion 20 will be naturally bonded and sealed. The second inner folding portion 21 of the packaging bag is folded inward. At this time, due to the existence of the third and fourth glue portions, the two ends of the folded part of the second inner folding portion 21 will be naturally bonded and sealed to avoid gaps at the edges.

[0023] The structure of the utility model can glue specific parts of the unfolded bag bottom, thereby ensuring that the bag bottom can be bonded and sealed during the folding and forming process, thereby improving the sealing performance of the bag bottom and preventing powder leakage.

Claims

1. A bag bottom gluing mechanism for a bag making machine, characterized in that: The invention comprises a winding roller group (4), a first gluing component (2) and a second gluing component (3), wherein the first gluing component (2) can be used to gluing one side of a flattened and unfolded bag bottom to obtain a first gluing portion (16) and a second gluing portion (17), and the second gluing component can be used to gluing the other side of the flattened and unfolded bag bottom to obtain a third gluing portion (18) and a fourth gluing portion (19). The first and second gluing portions can be used to bond and seal the two ends of a folded portion of a first inner folding portion (20) of the bag bottom, and the third and fourth gluing portions can be used to bond and seal the two ends of a folded portion of a second inner folding portion (21) of the bag bottom.

2. The bag bottom gluing mechanism of a bag making machine according to claim 1, characterized in that The first gluing component comprises a first gluing head (12) and a second gluing head which are arranged on the left and right sides, and the first and second gluing heads are connected to corresponding moving driving components.

3. The bag bottom gluing mechanism of a bag making machine according to claim 2, characterized in that The mobile drive assembly comprises a first linear motor (9) and a second linear motor, wherein the slider of the first linear motor (9) is connected to the cylinder body of the first cylinder (11), the piston rod of the first cylinder (11) is connected to the first glue application head (12), the slider of the second linear motor is connected to the cylinder body of the second cylinder, and the piston rod of the second cylinder is connected to the second glue application head.

4. The bag bottom gluing mechanism of a bag making machine according to claim 1, characterized in that The structure of the second gluing component is the same as that of the first gluing component.

5. The bag bottom gluing mechanism of a bag making machine according to claim 1, characterized in that A glue clearance groove (5) is provided on the winding roller at the discharge end of the second gluing component.

6. The bag bottom gluing mechanism of a bag making machine according to claim 1, characterized in that A traction roller group (22) and a cutting assembly are sequentially arranged at the discharge end of the winding roller group, and a glue clearance groove (23) is also arranged on the traction roller group.

7. The bag bottom gluing mechanism of a bag making machine according to claim 6, characterized in that The cutting assembly comprises a first motor (6), the output end of the first motor (6) is connected to a main synchronous wheel (7), a synchronous belt (8) passes around the main synchronous wheel (7), a cutter seat (13) is connected to the synchronous belt (8), and a cutter (14) is provided on the cutter seat (13).

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