Thin bag breaking mechanism

Abstract

The utility model discloses a thin bag breaking mechanism in the field of bag breaking mechanisms. The thin bag breaking mechanism is exquisite in design and compact in structure. A machine base is arranged at the bottom of the machine frame and used for stably placing thin bag coiled materials, and the coiled materials are rotationally supported through supporting rods and movable wheels on the two sides. A damping module is specially arranged, the coiled material is pressed through a damping block, and the unwinding resistance is flexibly adjusted. A discharging extending frame extends out of the top of the machine frame, a power driving roller driven by a servo motor is arranged at the tail end of the machine frame, and accurate conveying of thin bags is guaranteed. A broken bag installation frame is arranged on one side of the machine frame, and two conveying belts moving in the opposite directions are arranged to stably clamp and pull thin bags. A top sensor intelligently detects the gap between adjacent thin bags and is in linkage with a servo motor to control a power driving roller to start and stop, and accurate bag breaking is achieved. All parts of the mechanism are tightly matched, transmission is stable, conveying precision is improved through servo motor driving, accurate bag breaking is guaranteed through sensor detection, the overall automation degree is high, reliability is high, and the mechanism is an ideal choice of a thin bag packaging production line.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bag breaking mechanism technical field, concretely is a thin bag breaking mechanism. BACKGROUND

[0002] In modern supermarket retail industry, in order to improve shopping efficiency and customer experience, the application of self-service equipment is more and more widely, and among them, supermarket shopping bag self-service bag machine is welcomed because of its convenience and high efficiency. This kind of equipment provides thin bag and other shopping bag acquisition service for customers through automatic means, not only effectively reduces the pressure of manual service, but also improves the cleanliness and orderliness of shopping environment. Supermarket shopping bag self-service bag machine is usually equipped with thin bag roll material unwinding, conveying and bag breaking mechanism, which is used to cut the pre-prepared thin bag roll material into single thin bag as needed for customers to take.

[0003] However, in the current design of supermarket shopping bag self-service bag machine, the thin bag breaking mechanism has some problems, which affects the overall performance of the equipment and user experience. On the one hand, the stability of the mechanism is not enough, because the thin bag roll material is easily disturbed by external force during unwinding and conveying, which causes the position of the thin bag to deviate, and the internal structure cannot be well connected, which affects the stability. On the other hand, the precision of the mechanism is insufficient, and the traditional driving method is difficult to realize accurate control of the position of the thin bag, resulting in error in the length of the broken bag, which cannot meet the requirements of high-precision packaging. INVENTION CONTENTS

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a thin bag breaking mechanism, which can effectively solve the technical problem of poor stability of the current thin bag breaking mechanism.

[0005] The technical scheme adopted by the utility model to solve its technical problems is:

[0006] A thin bag breaking mechanism, comprising a rack, the bottom of the rack is provided with a machine base for placing a thin bag roll material, two supporting rods are symmetrically arranged on both sides of the machine base, a movable wheel is installed at the top of the supporting rod, a damping module is arranged on one side of the machine base, the damping module comprises a damping block that can extend between the two movable wheels for pressing on the thin bag roll material, when the thin bag roll material is placed, the two ends of the thin bag roll material are respectively supported and rotated by the two movable wheels on both sides, and the unwinding resistance is adjusted by the pressing damping block.

[0007] A horizontal extension frame is installed at the top of the rack, a power driven roller for driving the thin bag conveying is installed at the end of the extension frame away from the rack, and the power driven roller is driven by a servo motor arranged on the extension frame.

[0008] The side of the frame is provided with a broken bag mounting rack below the power-driven roller, two conveying belts for conveying the thin bags are mounted on the broken bag mounting rack and move reversely to clamp and pull the thin bags.

[0009] The top of the broken bag mounting rack is provided with an inductor for detecting the gap between two adjacent thin bags, and the servo motor receives the signal fed back by the inductor and controls the start and stop of the power-driven roller.

[0010] Further, the damping module further comprises a handle bar inserted into the frame at one end, the handle bar is fixed through a plurality of clamping bases arranged on the base, and the damping block is arranged at the other end of the handle bar away from the frame and connected with the handle bar through a screw rod.

[0011] Further, one end of the power-driven roller is connected with a first gear member, the output end of the servo motor is connected with a second gear member, and the first gear member and the second gear member are connected through a chain linkage.

[0012] Further, one end of the power-driven roller is connected with a first gear member, the output end of the servo motor is connected with a second gear member, and the first gear member and the second gear member are connected through a chain linkage.

[0013] Further, the top of the broken bag mounting rack is provided with two guide plates, an opening is left between the two guide plates and communicated with the two conveying belts, and the end of the guide plate close to the driving roller expands outward.

[0014] Further, the conveying belts are provided with two lower driving rollers distributed on both sides and mounted on the broken bag mounting rack, one end of the lower driving roller is provided with a third gear member, and the two third gear members arranged on the same side of the two conveying belts are meshed and connected.

[0015] Further, a plurality of unpowered tensioning rollers for flattening the thin bags are arranged horizontally on the frame from top to bottom.

[0016] Compared with the prior art, the thin bag breaking mechanism has the advantages that:

[0017] The thin bag breaking mechanism has the advantages that the structure is compact, the components are closely matched, the stable support and transmission of the thin bag roll material are realized, the servo motor is used to drive the power-driven roller, the conveying position precision of the thin bag is higher, the inductor is used for detection, the accurate bag breaking operation is realized, and the automation degree and reliability of the whole mechanism are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the overall structure of the embodiment of the present application;

[0019] Figure 2 This is a schematic diagram of the connection structure between the base and the damping module of this utility model.

[0020] Figure 3 For the implementation of this utility model Figure 2 Enlarged schematic diagram of section A in the middle;

[0021] Figure 4 This is a schematic diagram of the connection structure of the material feeding extension frame according to the present invention;

[0022] Figure 5 For the implementation of this utility model Figure 4 Enlarged schematic diagram of section B;

[0023] Figure 6 This is a schematic diagram of the connection structure of the bag-breaking mounting bracket of this utility model;

[0024] Numbering on the map:

[0025] 1-Frame, 2-Base, 3-Support rod, 4-Swivel wheel, 5-Damping module, 6-Extending feeding frame, 7-Power drive roller, 8-Servo motor, 9-Bag breaking mounting frame, 10-Conveyor belt, 11-Sensor, 12-First gear, 13-Second gear, 14-Chain, 15-Pressure shaft, 16-Tilting plate, 17-Guide plate, 18-Lower drive roller, 19-Third gear, 20-Non-powered tension roller, 21-Thin bag roll material;

[0026] 201 - Booth Seat;

[0027] 501-Damping block, 502-Hand bar, 503-Screw. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figures 1-6 As shown, this utility model provides a thin bag cutting mechanism, which is mainly used for the precise cutting operation of thin bag rolls 21 in automated production lines.

[0030] The structure of the thin bag breaking mechanism includes a frame 1 as the support base of the whole mechanism. A base 2 is installed at the bottom of the frame 1 for placing the thin bag roll 21. Two support rods 3 are symmetrically arranged at the two sides of the base 2, and the top of each support rod 3 is installed with a movable wheel 4. When the thin bag roll 21 is placed on the base 2, the two ends of the thin bag roll 21 are supported by the two movable wheels 4 at the two sides respectively, and can rotate freely.

[0031] In order to adjust the unwinding resistance of the thin bag roll 21, a damping module 5 is arranged at one side of the base 2. The damping module 5 includes a damping block 501 which can extend between the two movable wheels 4. The damping block 501 adjusts the resistance during unwinding by pressing on the thin bag roll 21, and ensures the stability and controllability of the thin bag roll 21 during unwinding. The damping module 5 further includes a handle bar 502 which is inserted into the frame 1 at one end, and is fixed by a plurality of clamping seats 201 arranged on the base 2. The damping block 501 is arranged at the other end of the handle bar 502 away from the frame 1, and is connected to the handle bar 502 by a screw rod 503, so as to facilitate the adjustment of the position and pressing force of the damping block 501.

[0032] A horizontal extension frame 6 is installed at the top of the frame 1, and a power driven roller 7 is installed at the end of the extension frame 6 away from the frame 1 for driving the thin bag conveying. The power driven roller 7 is driven by a servo motor 8 arranged on the extension frame 6. In order to realize power transmission, a first gear member 12 is connected to one end of the power driven roller 7, a second gear member 13 is connected to the output end of the servo motor 8, and the first gear member 12 and the second gear member 13 are linked by a chain 14.

[0033] In order to ensure the stability of the thin bag during conveying, a pressing shaft 15 is arranged at the end of the extension frame 6 close to the power driven roller 7 and abuts against the power driven roller 7. The two ends of the pressing shaft 15 are riveted to the extension frame 6 through a turnover piece 16, so that the pressing shaft 15 can link the turnover piece 16 to turn over to the upper side of the extension frame 6, facilitating installation and maintenance.

[0034] A bag breaking mounting frame 9 is arranged at one side of the frame 1 below the power driven roller 7, and two conveying belts 10 are installed on the bag breaking mounting frame 9 for conveying the thin bag. The two conveying belts 10 move reversely to form clamping traction to the thin bag, ensuring accurate positioning of the thin bag during bag breaking. The conveying belts 10 are provided with two lower driven rollers 18 which are arranged at the two sides of the bag breaking mounting frame 9. One end of each lower driven roller 18 is installed with a third gear member 19, and the two third gear members 19 arranged at the same side of the two conveying belts 10 are meshingly connected to realize synchronous reverse movement of the conveying belts 10. In use, power for driving the third gear members 19 to rotate needs to be increased.

[0035] The top of the bag breaking mounting frame 9 is provided with two guide plates 17, and an opening is left between the two guide plates 17, which is communicated with the two conveying belts 10, so as to facilitate the smooth passing of the thin bags. The end of the guide plate 17 close to the driving roller is expanded outward, which plays a role in guiding the thin bags to enter between the two conveying belts 10.

[0036] In addition, the top of the bag breaking mounting frame 9 is also provided with an inductor 11 for detecting the gap between the adjacent two thin bags. The servo motor 8 receives the signal fed back by the inductor 11, and controls the start and stop of the power driving roller 7, so as to realize the accurate bag breaking operation of the thin bags. When the inductor 11 detects the gap between the adjacent two thin bags during detection, the feedback signal is fed back to the servo motor 8 to stop, however, the two conveying belts 10 on the bag breaking mounting frame 9 continue to work, and the clamped thin bag is continuously conveyed until it is disconnected with the adjacent thin bag.

[0037] In order to further improve the transmission stability of the thin bags, the rack 1 is horizontally provided with a plurality of unpowered tensioning rollers 20 from top to bottom for flattening the thin bags, so as to ensure that the thin bags remain flat during the transmission process.

[0038] Compared with the conventional technology, the thin bag breaking mechanism provided by the technical scheme has a compact structure, and the components are closely matched, so that the stable support and transmission of the thin bag roll 21 are realized. In addition, the servo motor 8 is used to drive the power driving roller 7, so that the transmission position precision of the thin bags is higher, and the inductor 11 is used for detection, so that the accurate bag breaking operation is realized, and the automation degree and reliability of the whole mechanism are improved.

[0039] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, and any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A thin bag breaking mechanism comprising a frame, characterized by: The bottom of the frame is provided with a seat for placing the thin bag roll, two supporting rods are symmetrically arranged on the two sides of the seat, the top of the supporting rod is provided with a movable wheel, the seat is provided with a damping module on one side, the damping module comprises a damping block which can extend between the two movable wheels for pressing the thin bag roll, when the thin bag roll is placed, the two ends of the thin bag roll are supported by the two movable wheels on the two sides and rotate, and the unwinding resistance is adjusted by the pressing damping block. The top of the frame is provided with a horizontal extension frame, and the end of the extension frame away from the frame is provided with a power driven roller for driving the thin bag conveying. The frame is provided with a bag breaking mounting frame below the power driven roller on one side, the bag breaking mounting frame is provided with two transport belts which are close to each other and used for conveying the thin bag, and the two transport belts move reversely to form clamping traction to the thin bag. The top of the bag breaking mounting frame is provided with an inductor for detecting the gap between the adjacent two thin bags, and the servo motor receives the signal feedback by the inductor and controls the start and stop of the power driven roller.

2. A thin bag breaking mechanism according to claim 1, characterized in that: The damping module further comprises a handle bar inserted into the frame at one end, the handle bar is fixed by a plurality of clamping seats arranged on the seat, and the damping block is arranged at the end of the handle bar away from the frame and connected with the handle bar through a screw rod.

3. A thin bag breaking mechanism according to claim 1, characterized in that: The power driven roller is connected with a first gear at one end, the output end of the servo motor is connected with a second gear, and the first gear and the second gear are connected through a chain.

4. A thin bag breaking mechanism according to claim 1, characterized in that: The end of the extension frame close to the power driven roller is provided with a pressing shaft which is in close contact with the power driven roller, and the two ends of the pressing shaft are riveted with the extension frame through the turnover piece, so that the pressing shaft linkage turnover piece is turned over to the upper part of the extension frame.

5. A thin bag breaking mechanism according to claim 1, characterized in that: The top of the bag breaking mounting frame is provided with two guide plates, and the two guide plates are provided with an opening which is in communication with the two transport belts, and the end of the guide plate close to the driven roller is expanded outward.

6. A thin bag breaking mechanism according to claim 1, characterized in that: The transport belt is provided with two lower driven rollers which are distributed on the two sides and arranged on the bag breaking mounting frame, the lower driven roller is provided with a third gear at one end, and the two third gears arranged on the same side of the two transport belts are meshed and connected.

7. A thin bag breaking mechanism according to any one of claims 1 to 6, characterized in that: The frame is provided with a plurality of non-powered tensioning rollers for flattening the thin bag from top to bottom.

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