Bag body easy-to-tear line forming device and bag body forming machine

Abstract

The utility model aims to disclose a bag body easy-to-tear line forming device and a bag body forming machine, and relates to the technical field of bag body forming, the bag body easy-to-tear line forming device comprises a forming roller, a bottom roller and a plurality of guide rollers; the forming roller is a magnetic roller, a plurality of positioning holes are formed in the surface of the forming roller, and sawtooth die cutters are installed in the positioning holes. The forming roller is installed on the adjusting assembly, and the adjusting assembly comprises a pressing mechanism and a horizontal adjusting mechanism. The bottom roller is a steel roller, and the bottom roller is rotatably arranged between the first vertical plate wall and the second vertical plate wall, and has the beneficial effects that sawtooth die-cutting knives in different shapes can be replaced through the positioning holes, so that strip-shaped, rectangular or round easy-to-tear lines can be cut; the forming roller is provided with a pressing mechanism and a horizontal adjusting mechanism, the horizontal position of the forming roller is adjusted through a horizontal lead screw, and therefore the cutting position of the easy-to-tear line is accurately adjusted. The first vertical lead screw and the second vertical lead screw are used for adjusting the pressure applied to the forming roller by the first supporting wheel and the second supporting wheel correspondingly, and therefore the depth degree of the two ends of the easy-to-tear line can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of bag forming, in particular to a bag tear line forming device and a bag forming machine. Background Art

[0002] Bags, such as food bags and express bags, are cut with a tear line at the opening to facilitate opening. Currently, different shapes of tear lines require different cutter rollers. When changing the bag model, the cutter roller needs to be replaced, which is inefficient, time-consuming and costly.

[0003] In view of this, there is an urgent need to develop a bag body easy-tear line forming device and a bag body forming machine to solve the above technical problems. Summary of the Invention

[0004] The purpose of the utility model is to disclose a bag body easy-tear line forming device and a bag body forming machine.

[0005] In order to achieve the above first invention purpose, the utility model provides a bag body easy tear line forming device, including a forming roller, a bottom roller and a plurality of guide rollers;

[0006] The forming roller is a magnetic roller, and a plurality of positioning holes are provided on the surface of the forming roller, and a sawtooth die cutter is installed in the positioning holes;

[0007] The forming roller is mounted on an adjustment assembly, which includes a pressing mechanism and a horizontal adjustment mechanism. The horizontal adjustment mechanism includes a first vertical plate, a second vertical plate, and a horizontal screw. The forming roller is rotatably mounted between the first vertical plate and the second vertical plate. The horizontal screw drives the first vertical plate and the second vertical plate to move horizontally.

[0008] The pressing mechanism includes a horizontal plate wall, a first vertical screw rod, a second vertical screw rod, a first fixed block, and a second fixed block. Two first supporting rollers are installed on the first fixed block, and two second supporting rollers are installed on the second fixed block. The first vertical screw rod drives the first supporting roller to approach or move away from the forming roller through the first fixed block, and the second vertical screw rod drives the second supporting roller to approach or move away from the forming roller through the second fixed block.

[0009] The bottom roller is a steel roller and is rotatably arranged between the first vertical board wall and the second vertical board wall.

[0010] Preferably, a support assembly is provided below the bottom roller, and two supporting wheels are provided at both ends of the support assembly.

[0011] Preferably, a first horizontal slide rail and a second horizontal slide rail are provided on the top of the first vertical plate and the second vertical plate.

[0012] Preferably, a dust collection assembly is provided on the side of the forming roller.

[0013] Preferably, the dust collection assembly is installed on the third horizontal slide rail.

[0014] Preferably, a guide rod is provided between the first vertical plate and the second vertical plate;

[0015] The dust suction assembly moves along the guide rod.

[0016] Preferably, the forming roller is driven by a first motor;

[0017] The bottom roller is driven by a second motor.

[0018] Preferably, it further comprises a feed roller, the second motor drives the feed roller via a belt, and the belt is provided with a tensioning wheel.

[0019] Preferably, the serrated die cutter is in the shape of an elongated strip, a circle or a rectangle.

[0020] Based on the same inventive principle, in order to achieve the above-mentioned second invention purpose, the present invention provides a bag forming machine, including the bag tear line forming device described in the first invention.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] The forming roller of the utility model is a magnetic roller, and a plurality of positioning holes are provided on the surface of the forming roller. Sawtooth die cutters of different shapes can be replaced through the positioning holes so as to cut out long strips, rectangles or round tear lines. The utility model also provides a clamping mechanism and a horizontal adjustment mechanism for the forming roller. The horizontal position of the forming roller is adjusted by a horizontal screw rod, so as to accurately adjust the cutting position of the tear line. The pressure applied by the first supporting wheel and the second supporting wheel to the forming roller is adjusted respectively by the first vertical screw rod and the second vertical screw rod, so as to adjust the depth of the two ends of the tear line. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the bag body easy-tear line forming device of the utility model.

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the bag body easy-tear line forming device of the utility model.

[0025] Figure 3 It is a three-dimensional structural diagram of the bag body easy-tear line forming device of the utility model.

[0026] Figure 4 This is a front view of the bag body easy-tear line forming device of the utility model.

[0027] Figure 5 For this utility model Figure 4 Schematic cross-sectional view at AA.

[0028] Figure 6 This is a schematic diagram of the relative positions of the first motor and the second motor of the present invention.

[0029] Among them: 1. Forming roller; 11. Positioning hole; 12. First motor; 2. Bottom roller; 21. First vertical panel wall; 22. Second vertical panel wall; 23. First beam; 24. Second beam; 25. Support roller; 26. Second motor; 261. Belt; 262. Tensioner; 3. Guide roller; 4. Feed roller; 5. Adjustment assembly; 51. Clamping mechanism; 511. Horizontal panel wall; 512. First vertical screw rod; 513. Second vertical screw rod; 514. First fixing block; 515. Second fixing block; 516. First support roller; 517. Second support roller; 52. Horizontal adjustment mechanism; 521. First vertical panel; 522. Second vertical panel; 523. Horizontal screw rod; 524. First horizontal slide rail; 525. Second horizontal slide rail; 526. Guide rod. 6. Dust collection assembly; 7. Third horizontal slide rail. DETAILED DESCRIPTION

[0030] The present invention is described in detail below with reference to the various embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in this field based on these embodiments are all within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0032] The specific implementation process of the present invention is described below through multiple embodiments. Example 1

[0033] See also Figures 1 to 5 This embodiment discloses a specific implementation of a bag tear line forming device.

[0034] See also Figures 1 to 5, a bag body tear line forming device includes a forming roller 1, a bottom roller 2, several guide rollers 3 and a feeding roller 4; the forming roller 1 is a magnetic roller, and a plurality of positioning holes 11 are set on the surface of the forming roller 1, and a serrated die cutter is installed in the positioning hole 11. The serrated die cutter is long, round or rectangular, and the serrated die cutters of different shapes can be replaced through the positioning holes to cut out long, rectangular or round tear lines; the forming roller 1 is installed on the adjustment component 5, and the adjustment component 5 includes a clamping mechanism 51 and a horizontal adjustment mechanism 52. The horizontal adjustment mechanism 52 includes a first vertical plate 521, a second vertical plate 522 and a horizontal screw rod 523. The forming roller 1 is rotatably installed between the first vertical plate 521 and the second vertical plate 522, and the horizontal screw rod 523 drives The first vertical plate 521 and the second vertical plate 522 move horizontally; the clamping mechanism 51 includes a horizontal plate wall 511, a first vertical screw rod 512, a second vertical screw rod 513, a first fixed block 514 and a second fixed block 515, two first supporting rollers 516 are installed on the first fixed block 514, and two second supporting rollers 517 are installed on the second fixed block 515, the first vertical screw rod 512 drives the first supporting roller 516 to approach or move away from the forming roller 1 through the first fixed block 514, and the second vertical screw rod 513 drives the second supporting roller 517 to approach or move away from the forming roller 1 through the second fixed block 515; the bottom roller 2 is a steel roller, and the bottom roller 2 is rotatably arranged between the first vertical plate wall 21 and the second vertical plate wall 22.

[0035] Specifically, see Figures 1 to 5 The first beam 23 and the second beam 24 are installed on the top of the first vertical plate wall 21 and the second vertical plate wall 22. The first horizontal slide rail 524 and the second horizontal slide rail 525 are set on the top of the first vertical plate 521 and the second vertical plate 522. The first horizontal slide rail 524 is installed at the bottom of the first beam 23, and the second horizontal slide rail 525 is installed at the bottom of the second beam 24. By manually adjusting the horizontal screw rod 523, the first vertical plate 521 and the second vertical plate 522 can be moved synchronously, thereby adjusting the position of the forming roller 1 and fine-tuning the cutting position of the easy-tear line. If the two ends of the easy-tear line are found to be inconsistent in depth, the pressure applied by the first supporting wheel 516 or the second supporting wheel 517 to the forming roller 1 can be adjusted by screwing the first vertical screw rod 512 or the second vertical screw rod 513, thereby adjusting the depth of the two ends of the easy-tear line. It should be noted that both the horizontal adjustment of the forming roller 1 and the pressure adjustment at its two ends can be achieved without stopping the machine and will not affect normal production.

[0036] See also Figure 4 and Figure 5A support assembly 25 is provided below the bottom roller 2. Two supporting wheels 25 are provided at both ends of the support assembly 25. The supporting wheels 25 rollably support both ends of the bottom roller 2, making the bottom roller 2 more stable. Figures 1 to 3 A dust collection component 6 is set on the side of the forming roller 1, and the dust collection component 6 is installed on the third horizontal slide rail 7. A guide rod 526 is set between the first vertical plate 521 and the second vertical plate 522. The dust collection component 6 moves along the guide rod 526 and the third horizontal slide rail 7, so that the dust collection component 6 absorbs dust particles and paper scraps from different parts.

[0037] See also Figure 6 The forming roller 1 is driven by a first motor 12; the bottom roller 2 is driven by a second motor 26, and the second motor 26 drives the feeding roller 4 through a belt 261. The belt 261 is provided with a tensioning pulley 262. The first motor 12 and the second motor 26 are both servo motors. By adjusting the speed of the first motor 12 and the second motor 26, it is possible to cut the tear line at a certain interval to facilitate the subsequent continuous forming of the bag. Example 2

[0038] This embodiment discloses a specific implementation of a bag forming machine.

[0039] The bag forming machine includes the bag tear line forming device described in Example 1, which realizes the formation of a tear line at the opening of the bag.

[0040] The bag forming machine disclosed in this embodiment has the same technical solutions as those in Example 1. Please refer to the description in Example 1 and will not be repeated here.

Claims

1. The bag body tear line forming device is characterized by: It includes forming roller, bottom roller and several guide rollers; The forming roller is a magnetic roller, and a plurality of positioning holes are provided on the surface of the forming roller, and a sawtooth die cutter is installed in the positioning holes; The forming roller is mounted on an adjustment assembly, which includes a pressing mechanism and a horizontal adjustment mechanism. The horizontal adjustment mechanism includes a first vertical plate, a second vertical plate, and a horizontal screw. The forming roller is rotatably mounted between the first vertical plate and the second vertical plate. The horizontal screw drives the first vertical plate and the second vertical plate to move horizontally. The pressing mechanism includes a horizontal plate wall, a first vertical screw rod, a second vertical screw rod, a first fixed block, and a second fixed block. Two first supporting rollers are installed on the first fixed block, and two second supporting rollers are installed on the second fixed block. The first vertical screw rod drives the first supporting roller to approach or move away from the forming roller through the first fixed block, and the second vertical screw rod drives the second supporting roller to approach or move away from the forming roller through the second fixed block. The bottom roller is a steel roller and is rotatably arranged between the first vertical board wall and the second vertical board wall.

2. The bag body tear line forming device according to claim 1, characterized in that: A support assembly is provided below the bottom roller, and two supporting wheels are respectively provided at both ends of the support assembly.

3. The bag body tear line forming device according to claim 1, characterized in that: A first horizontal slide rail and a second horizontal slide rail are provided on the top of the first vertical plate and the second vertical plate.

4. The bag body tear line forming device according to claim 1, characterized in that: A dust collection assembly is arranged on the side of the forming roller.

5. The bag body tear line forming device according to claim 4, characterized in that: The dust collection assembly is installed on the third horizontal slide rail.

6. The bag body tear line forming device according to claim 5, characterized in that: A guide rod is provided between the first vertical plate and the second vertical plate; The dust suction assembly moves along the guide rod.

7. The bag body tear line forming device according to claim 6, characterized in that: The forming roller is driven by a first motor; The bottom roller is driven by a second motor.

8. The bag body tear line forming device according to claim 7, characterized in that: It also includes a feeding roller, the second motor drives the feeding roller through a belt, and the belt is provided with a tensioning wheel.

9. The bag body tear line forming device according to any one of claims 1 to 8, characterized in that: The serrated die cutter is in the shape of a long strip, a circle or a rectangle.

10. Bag forming machine, characterized in that, The invention comprises the bag body easy-tear line forming device according to any one of claims 1 to 9.

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