Material fixing device of hot cutting bag making machine

By designing a positioning mechanism and control components on the hot-cut bag making machine, and using a motor-driven sliding block and positioning plate to fix the material roll, the problem of plastic roll position deviation is solved, and the processing effect of the bag making machine is improved.

CN224013098UActive Publication Date: 2026-03-20WEIFANG YULIAN PACKING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing hot-cutting bag-making machines, the plastic rolls shift position due to changes in gravity and uneven roll tension during the bag-making process, affecting product quality.

Method used

A material fixing device for a hot-cut bag making machine was designed, including a positioning mechanism and control components. The device uses a motor to drive a bidirectional lead screw to move a sliding block and a positioning plate to fix both sides of the material roll. The positioning plate and pressure plate are used to smooth and limit the material surface to prevent positional deviation.

Benefits of technology

It effectively prevents material rolls from shifting position, improving the stability of the bag-making process and the quality of the finished product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bag making machines, in particular to a material fixing device of a hot cutting bag making machine. Comprising a base, two symmetrically-arranged supporting rods are fixed to the upper portion of the base, a feeding roller is rotationally connected between the two supporting rods, the outer circle face of the feeding roller is sleeved with a material roll, and a positioning mechanism for fixing the position of the material roll is arranged on the upper portion of the base; the positioning mechanism comprises two sliding blocks which are symmetrically arranged and slidably connected to the upper surface of the base, supporting rods are inserted into the upper surfaces of the sliding blocks, arc-shaped grooves are formed in the tops of the supporting rods, and positioning plates are rotatably connected into the arc-shaped grooves and used for fixing the two sides of the material roll. The positioning mechanism further comprises a control part enabling the sliding block to move. The problems that in the existing bag making process, a plastic roll is simply placed on a roll containing frame, the influence of the gravity change of a roll material and the uneven surface tension is caused, the position of the material roll deviates, and the quality of a finished product is influenced are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a bag making machine technical field, concretely is a kind of hot cutting bag making machine material fixing device. BACKGROUND

[0002] Hot cutting bag making machine is a kind of high-efficiency automatic equipment, it is mainly used to process the film of various different materials into bag, and the working principle of hot cutting bag making machine is to use high temperature and pressure to heat seal two layers of material together, while cutting into the shape and size required, hot cutting bag making machine can be used to process clothing bag, towel bag, electrical component bag etc., and is widely used in food, medicine, chemical industry etc.

[0003] In the working process of existing hot cutting bag making machine, the plastic roll of bag making is placed on the roll mounting frame, and the tension of roll material is adjusted by hand, to ensure that the tension of roll material is uniform, one end of plastic roll is guided from roll mounting frame to the bag making area of machine, then the bag making machine is started to cut, thus the processing of plastic bag is completed, but in the bag making process, plastic roll is only placed on roll mounting frame, as plastic roll is gradually unwound, the gravity change of roll material and the uneven stress of roll material during unwinding will all lead to the position deviation of plastic roll, and then the product quality is affected by bag wrinkle, damage etc. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the above technical defects, the utility model provides a kind of hot cutting bag making machine material fixing device, solve the problem that existing bag making process, plastic roll is simply placed on roll mounting frame, is influenced by the gravity change of roll material and the uneven surface tension, leads to the position deviation of material roll, causes the influence to finished product quality.

[0006] (II) technical scheme

[0007] To make up for the above defects, the utility model provides the following technical scheme: a kind of hot cutting bag making machine material fixing device, with the following beneficial effects: a kind of hot cutting bag making machine material fixing device, including base, the base top is fixed with two symmetrical support rods, two support rods are rotatably connected with the feed roller, the feed roller outer surface is equipped with material roll, and the base top is provided with the positioning mechanism for fixing the position of material roll;

[0008] The positioning mechanism includes two symmetrical sliding blocks slidingly connected to the upper surface of the base, a support rod is inserted into the upper surface of the sliding block, the top of the support rod is provided with an arc-shaped groove, and a positioning plate is rotatably connected in the arc-shaped groove for fixing the two sides of the material roll.

[0009] The positioning mechanism further includes a control component for moving the sliding block.

[0010] Preferably, the positioning plate is in the shape of a sector, the central angle of the positioning plate ranges from 90 to 120 degrees, and a gap is left between the inner arc surface of the positioning plate and the outer cylindrical surface of the feeding roller.

[0011] Preferably, the control component comprises a motor fixed on the side surface of the base, the output end of the motor penetrates into the inner cavity of the base and is fixed with a bidirectional screw rod, the other end of the bidirectional screw rod is rotationally connected to the side surface of the inner cavity of the base, and the sliding block is threadedly connected to the outer cylindrical surface of the bidirectional screw rod.

[0012] Preferably, two symmetrical sliding grooves are arranged on the side surface of the positioning plate, a pressing plate is slidably connected in the sliding groove, a bolt for fixing the pressing plate is arranged in the sliding groove, and a rubber pad is fixed to the lower surface of the pressing plate.

[0013] Preferably, a positioning hole is arranged on the side surface of the positioning plate, and a positioning rod is arranged on the side surface of the supporting rod, so as to fix the position of the positioning plate.

[0014] Preferably, two symmetrical fixing plates are further fixed on the upper surface of the base, the fixing plates are located on the side of the feeding roller, two upper and lower pressing rollers are rotationally connected between the two fixing plates, and the pressing rollers are used for flattening and conveying the material.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a material fixing device of hot cutting bag making machine, has the following beneficial effects:

[0017] When conveying the material roll, the positioning plate is moved to the side of the material roll by controlling the motor, the position of the material roll is fixed, the positioning plate is rotated to make the pressing plates be located on the upper and lower sides of the material roll, the pressing plates are moved in the sliding grooves and positioned by the bolts, the material surface is flattened and limited by the pressing plates, the position deviation of the material roll is effectively prevented, and the bag making processing effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0019] Fig. 1 It is the overall schematic view of the fixing device in the utility model;

[0020] Fig. 2 It is the partial three-dimensional schematic view of the positioning mechanism in the utility model;

[0021] Fig. 3 It is the partial three-dimensional schematic view of the control component in the utility model.

[0022] Reference numerals:

[0023] 1, base; 2, support rod; 3, feeding roller; 4, material roll; 5, positioning mechanism; 51, sliding block; 52, support rod; 53, arc-shaped groove; 54, positioning plate; 55, control component; 551, motor; 552, bidirectional screw rod; 553, pressing plate; 554, bolt; 555, positioning rod; 56, fixed plate; 57, pressing roller. DETAILED DESCRIPTION

[0024] The implementation of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the process of applying technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0025] Figs. 1-3 For an embodiment of the present application, a material fixing device of a hot cutting bag making machine, comprising a base 1, two symmetrically arranged support rods 2 are fixed above the base 1, a feeding roller 3 is rotatably connected between the two support rods 2, a material roll 4 is sleeved on the outer circular surface of the feeding roller 3, and a positioning mechanism 5 for fixing the position of the material roll 4 is arranged above the base 1.

[0026] The positioning mechanism 5 comprises two symmetrically arranged sliding blocks 51 slidingly connected to the upper surface of the base 1, a support rod 52 is inserted into the upper surface of the sliding block 51, an arc-shaped groove 53 is arranged at the top of the support rod 52, and a positioning plate 54 is rotatably connected in the arc-shaped groove 53 for fixing the two sides of the material roll 4.

[0027] The positioning mechanism 5 further comprises a control component 55 for moving the sliding block 51.

[0028] In actual use, when fixing the position of the material roll 4, the material roll 4 is sleeved on the feeding roller 3, the bidirectional screw rod 552 is rotated by controlling the motor 551, the sliding block 51 is moved towards the other, the support rod 52 is inserted into the sliding block 51, the sliding block 51 is provided with a buckle to fix the support rod 52, thereby moving the positioning plate 54 towards the material roll 4, and when the positioning plate 54 moves close to the two sides of the material roll 4, the material roll 4 is fixed, so that the position of the material roll 4 is stable during the bag making process, and the bag making effect of the bag making machine is improved.

[0029] More specifically, the positioning plate 54 is fan-shaped, the central angle of the positioning plate 54 ranges from 90 to 120 degrees, and a gap is left between the inner arc surface of the positioning plate 54 and the outer circular surface of the feeding roller 3.

[0030] In actual use, when the positioning plate 54 is moved to the two sides of the material roll 4 under the driving of the sliding block, the positioning plate 54 is rotated to be in contact with the top end of the supporting rod 52, the central angle of the positioning plate 54 is set to be within 90-120 degrees, so that the positioning plate 54 has a large contact area with the material roll 4 when the material roll 4 is fixed by the positioning plate 54, and the fixing effect of the material roll 4 is further improved.

[0031] Specifically, the control component 55 comprises a motor 551 fixed on the side surface of the base 1, the output end of the motor 551 penetrates into the inner cavity of the base 1 and is fixed with a bidirectional screw rod 552, the other end of the bidirectional screw rod 552 is rotatably connected to the side surface of the inner cavity of the base 1, and the sliding block 51 is threadedly connected to the outer circular surface of the bidirectional screw rod 552.

[0032] In actual use, after the material roll 4 is placed, the bidirectional screw rod 552 is rotated by controlling the motor 551, the sliding block 51 is threadedly connected to the outer circular surface of the bidirectional screw rod 552, so that the sliding block 51 is driven by the bidirectional screw rod 552 to approach the material roll 4, the positioning plate 54 is in contact with the two sides of the material roll 4, and the material roll 4 is fixed.

[0033] More specifically, the side surface of the positioning plate 54 is provided with two symmetrically arranged sliding grooves, the sliding grooves are slidably connected with pressing plates 553, the sliding grooves are provided with bolts 554 for fixing the pressing plates 553, and the lower surfaces of the pressing plates 553 are fixed with rubber pads; in actual use, when the two sides of the material roll 4 are fixed by the positioning plate 54, the positioning plate 54 is rotated to be located at the upper side and the lower side of the material roll 4, the pressing plates 553 are moved to the appropriate positions in the sliding grooves according to the diameter of the material roll 4, the positions of the pressing plates 553 are fixed by tightening the bolts 554, the rubber pads are in contact with the material surface, the material surface is smoothed and limited, the material is stably conveyed, and the processing effect of the bag making machine is improved.

[0034] More specifically, the side surface of the positioning plate 54 is provided with a positioning hole, and a positioning rod 555 is inserted into the side surface of the supporting rod 52, which is used for fixing the position of the positioning plate 54; in actual use, after the positioning plate 54 is rotated to the appropriate position, the positioning rod 555 is inserted into the positioning hole, the position of the positioning plate 54 is fixed, and the two positioning plates 54 are located at the two sides of the material roll 4, so that the material roll 4 is fixed.

[0035] Specifically, the upper surface of the base 1 is further fixed with two symmetrically arranged fixing plates 56, the fixing plates 56 are located at the side of the feeding roller 3, two upper and lower pressing rollers 57 are rotatably connected between the two fixing plates 56, and the pressing rollers 57 are used for smoothing and conveying the material.

[0036] In actual use, the two material pressing rollers 57 are arranged on the base 1, so that the material on the material roll 4 is conveyed between the two material pressing rollers 57, the material is flattened and conveyed by the material pressing rollers 57, the material is stably conveyed into the bag making machine, the position deviation of the material can be effectively prevented, and the bag making effect of the bag making machine is improved.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A material fixing device for a hot-cut bag making machine, comprising a base (1), characterized in that: Two symmetrically arranged support rods (2) are fixed on the base (1), and a feeding roller (3) is rotatably connected between the two support rods (2). A material roll (4) is sleeved on the outer surface of the feeding roller (3), and a positioning mechanism (5) is provided on the base (1) to fix the position of the material roll (4). The positioning mechanism (5) includes two symmetrically arranged sliding blocks (51) that are slidably connected to the upper surface of the base (1). A support rod (52) is inserted into the upper surface of the sliding block (51). An arc groove (53) is provided at the top of the support rod (52). A positioning plate (54) is rotatably connected in the arc groove (53) for fixing the two sides of the material roll (4). The positioning mechanism (5) also includes a control component (55) that moves the sliding block (51).

2. The material fixing device for a hot-cut bag making machine according to claim 1, characterized in that: The positioning plate (54) is fan-shaped, with a central angle ranging from 90 to 120 degrees, and there is a gap between the inner arc surface of the positioning plate (54) and the outer circular surface of the feeding roller (3).

3. The material fixing device for a hot-cut bag making machine according to claim 1, characterized in that: The control component (55) includes a motor (551) fixed to the side of the base (1). The output end of the motor (551) passes through the inner cavity of the base (1) and is fixed with a bidirectional lead screw (552). The other end of the bidirectional lead screw (552) is rotatably connected to the side of the inner cavity of the base (1). The sliding block (51) is threadedly connected to the outer circle of the bidirectional lead screw (552).

4. The material fixing device for a hot-cut bag making machine according to claim 3, characterized in that: The positioning plate (54) has two symmetrically arranged sliding grooves on its side. A pressure plate (553) is slidably connected in the sliding groove. Bolts (554) for fixing the pressure plate (553) are provided in the sliding groove. A rubber pad is fixed on the lower surface of the pressure plate (553).

5. The material fixing device for a hot-cutting bag-making machine according to claim 4, characterized in that: The positioning plate (54) has a positioning hole on its side, and the support rod (52) has a positioning rod (555) inserted into its side to fix the position of the positioning plate (54).

6. The material fixing device for a hot-cut bag making machine according to claim 1, characterized in that: The upper surface of the base (1) is also fixed with two symmetrically arranged fixing plates (56). The fixing plates (56) are located on the side of the feeding roller (3). Two vertically distributed pressing rollers (57) are rotatably connected between the two fixing plates (56) for smoothing and conveying the material.