Bag mouth tape attaching device of bag making machine

Abstract

The utility model relates to a bag making machine, especially relate to a bag mouth ribbon installation device of bag making machine, its including ribbon installation work position, the ribbon work position is equipped with bag feeding mechanism and ribbon traction piece, the ribbon traction piece left and right movement forms and has ribbon traction path, is equipped with ribbon supply assembly, ribbon cutting assembly and ribbon installation assembly in proper order along the ribbon traction path, and the ribbon traction piece pulls out the ribbon at the ribbon supply assembly, and the ribbon installation assembly connects the ribbon with the bag mouth bag surface, and the ribbon cutting assembly cuts the ribbon, and completes the ribbon installation of bag mouth bag surface.

Description

Technical Field

[0001] This utility model relates to a bag making machine, and more particularly to a bag opening tie installation device for the bag making machine. Background Technology

[0002] After covering the banana tree with a blue plastic film bag that is open at both ends, the upper opening of the bag is tied tightly at the fruit stem, while the lower opening is left open to prevent rainwater from flowing into the bag and to ensure ventilation and moisture release. However, when tying the bag, the operator needs to hold the bag and the tie with one hand and wrap the other hand around to tie a knot, which is quite difficult. Utility Model Content

[0003] In view of the technical problems existing in the background art, the present utility model aims to provide a bag mouth tie installation device for a bag making machine, which directly installs the tie at the bag mouth during bag making, so that the bag face has a built-in tie.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: the bag opening tie-up device of the bag making machine includes a tie-up installation station, the tie-up station is equipped with a bag feeding mechanism and a tie-up traction component, the tie-up traction component moves left and right to form a tie-up traction path, and a tie-up feeding component, a tie-up cutting component and a tie-up installation component are arranged sequentially along the tie-up traction path.

[0005] In this solution, the cable tie pulling component pulls out the cable tie from the cable tie feeding component, the cable tie mounting component connects the cable tie to the bag face, and the cable tie cutting component cuts the cable tie.

[0006] Preferably, the cable tie traction path is further provided with a cable tie pressure plate that is raised and lowered, and the cable tie mounting assembly is located between the cable tie cutting assembly and the cable tie pressure plate.

[0007] In this design, after the cable tie is connected to the bag's outer surface, the cable tie pressure plate presses down on the cable tie to prevent it from being pulled apart from the bag's outer surface when the cable tie traction component resets.

[0008] Preferably, the cable tie cutting assembly includes scissors that open to form an opening for the cable tie puller to pass through.

[0009] In this scheme, the cable tie puller passes through the opening of the scissors to retrieve the cable tie.

[0010] Preferably, the cable tie feeding assembly includes a matching cable tie unwinding shaft assembly and a cable tie feeding seat. The cable tie feeding seat is provided with an inlet and an outlet from left to right. A pressure plate is provided between the inlet and the outlet, and a lifting pressure block is provided above the pressure plate.

[0011] In this design, the pressure plate presses the cable tie tightly, and the pressure block presses down to increase pressure, preventing the cable tie from shrinking back after cutting. The inlet and outlet of the cable tie can be adjusted and limited.

[0012] Preferably, the cable tie pulling member, the cable tie feeding assembly, the cable tie cutting assembly, the cable tie mounting assembly, and the cable tie pressure plate are all mounted on a movable plate, and the movable plate is adjustable to move back and forth.

[0013] In this solution, the movable plate is moved back and forth to adjust the position of the bag opening, adapting to changes in the bag opening position, for bags of different sizes.

[0014] Preferably, the bag feeding mechanism includes a bag feeding roller group, the bag feeding roller group forming a bag feeding path, and the moving plate is located above the bag feeding path.

[0015] In this design, the moving plate is positioned above the bag feeding path, and its movement will not interfere with the bags.

[0016] Preferably, the movable plate is provided with a mounting frame, the cable tie mounting assembly includes a base and a heat sealing head, the mounting frame is provided with the base and the heat sealing head, the heat sealing head is raised and lowered, the cable tie traction path is located between the base and the heat sealing head, and the bag feeding roller group includes a bag feeding roller shaft, the bag feeding roller shaft is located between the movable plate and the base.

[0017] In this scheme, the continuously rolled film strip is guided to the base and the heat sealing head via the bag feeding roller shaft. The heat sealing head melts the local film and bonds it with the tie.

[0018] Preferably, the cable tie pulling member includes an upper clamping plate and a lower clamping plate. The upper clamping plate is connected to the output shaft of the clamping cylinder, and the cable tie pressing plate is connected to the output shaft of the pressing cylinder. The output shaft of the clamping cylinder and the output shaft of the pressing cylinder are misaligned in the front-back direction.

[0019] In this design, the lower clamping plate determines the height of the cable tie traction path, and the base determines the height of the bag feeding path. With the lower clamping plate stationary, the height difference between the cable tie traction path and the bag feeding path is small, resulting in minimal tension changes in the cable tie before and after installation. This prevents the cable tie from deforming or even breaking, which would affect its strength. During the resetting process of the cable tie traction component, the output shafts of the clamping cylinder and the pressing cylinder will not interfere with each other.

[0020] Preferably, the cable tie pressure plate has a pressing position and a waiting position. The cable tie pressure plate moves up and down between the pressing position and the waiting position. The cable tie traction path is located between the pressing position and the waiting position. When the heat sealing head is reset and the cable tie pressure plate moves to the pressing position, the cable tie traction member moves to the right to the cable tie feeding assembly to pick up the cable tie.

[0021] In this design, the upper and lower clamps are opened, the cable tie pressure plate presses down on the cable tie, and the cable tie traction component moves to the right and passes between the heat seal head and the base.

[0022] The beneficial effects of this utility model are that the cable tie pulling component pulls out the cable tie from the cable tie feeding assembly, the cable tie mounting assembly connects the cable tie to the bag face, and the cable tie cutting assembly cuts the cable tie. Therefore, this utility model has substantial features and progress compared with the prior art. Attached Figure Description

[0023] The following description, in conjunction with the accompanying drawings, details the embodiments and working principles of this utility model.

[0024] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0025] Figure 2 for Figure 1 A magnified view of A in the middle.

[0026] Figure 3 This is a three-dimensional structural diagram of the cable tie installation assembly in this utility model.

[0027] Figure 4 This is a three-dimensional structural diagram of the mounting bracket and the movable plate in this utility model.

[0028] In the diagram: 1. Bag feeding mechanism; 2. Cable tie traction component; 3. Cable tie feeding assembly; 4. Cable tie cutting assembly; 5. Cable tie mounting assembly; 6. Cable tie pressure plate; 7. Scissors; 8. Cable tie unwinding shaft assembly; 9. Cable tie unloading seat; 10. Pressure plate; 11. Moving plate; 12. Bag feeding roller assembly; 13. Mounting frame; 14. Base; 15. Heat sealing head; 16. Bag feeding roller shaft; 17. Upper clamping plate; 18. Lower clamping plate; 19. Clamping cylinder; 20. Pressure cylinder; 21. Tape outlet; 22. Pressure block. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the implementation of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0030] In the description of this application, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0031] In the description of this application, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0032] See appendix Figure 1-4 In this embodiment, a bag-making machine bag-closing tie installation device includes a tie-closing tie installation station. The tie-closing tie station is equipped with a bag feeding mechanism 1 and a tie-closing tie traction component 2. The tie-closing tie traction component 2 moves left and right to form a tie-closing tie traction path. A tie-closing tie feeding component 3, a tie-closing tie cutting component 4, and a tie-closing tie installation component 5 are arranged sequentially along the tie-closing tie traction path. A tie-closing tie pressure plate 6 is also provided on the tie-closing tie traction path and is lifted and lowered. The tie-closing tie installation component 5 is located between the tie-closing tie cutting component 4 and the tie-closing tie pressure plate 6.

[0033] The cable tie cutting assembly 4 includes scissors 7 that open and close. The scissors 7 open to form an opening for the cable tie traction member 2 to pass through. The cable tie feeding assembly 3 includes a cable tie unwinding shaft assembly 8 and a cable tie feeding seat 9 that cooperate with each other. The cable tie feeding seat 9 is provided with an inlet and an outlet 21 from left to right. A pressure plate 10 is provided between the inlet and the outlet 21. A lifting pressure block 22 is provided above the pressure plate 10.

[0034] The cable tie traction component 2, the cable tie feeding assembly 3, the cable tie cutting assembly 4, the cable tie mounting assembly 5, and the cable tie pressure plate 6 are all mounted on the movable plate 11. The movable plate 11 is adjustable to move back and forth. The bag feeding mechanism 1 includes a bag feeding roller group 12, which forms a bag feeding path. The movable plate 11 is located above the bag feeding path. The movable plate 11 is provided with a mounting frame 13. The cable tie mounting assembly 5 includes a base 14 and a heat sealing head 15. The mounting frame 13 is provided with the base 14 and the heat sealing head 15. The heat sealing head 15 is raised and lowered. The cable tie traction path is located between the base 14 and the heat sealing head 15. The bag feeding roller group 12 includes a bag feeding roller shaft 16, which is located between the movable plate 11 and the base 14.

[0035] The cable tie traction component 2 includes an upper clamping plate 17 and a lower clamping plate 18. The upper clamping plate 17 is connected to the output shaft of the clamping cylinder 19, and the cable tie pressure plate 6 is connected to the output shaft of the pressure cylinder 20. The output shaft of the clamping cylinder 19 and the output shaft of the pressure cylinder 20 are offset in the front-back direction. The cable tie pressure plate 6 has a pressure position and a waiting position. The cable tie pressure plate 6 moves up and down between the pressure position and the waiting position. The cable tie traction path is located between the pressure position and the waiting position. When the heat sealing head 15 is reset and the cable tie pressure plate 6 moves to the pressure position, the cable tie traction component 2 moves to the right to the cable tie feeding assembly 3 to pick up the cable tie.

[0036] In this embodiment, the cable tie traction member 2 clamps the cable tie at the cable tie feeding assembly 3, moves to the left and pulls out a section of the cable tie, the heat sealing head 15 descends to connect the cable tie with the film tape, the scissors 7 cuts the cable tie, the heat sealing head 15 resets and the cable tie traction member 2 releases the cable tie (the cable tie traction member 2 can be released first), the cable tie pressure plate 6 descends to make the cable tie between the heat sealing point and the cable tie traction member 2 fit against the bag surface, and then the cable tie traction member 2 resets. Because the cable tie is restricted by the cable tie pressure plate 6, it will not be pulled by the cable tie traction member 2. The cable tie traction member 2 moves to the right to the cable tie feeding assembly 3 to continue the next clamping.

[0037] The blade of the scissors 7 is hinged to the mounting bracket 13, and the rear end of the blade is hinged to a connecting rod. The connecting rod is hinged to a moving block that moves back and forth. The forward and backward movement of the moving block is converted into the opening and closing of the two blades through the connecting rod. The moving block is driven by a cylinder. The scissors 7 is set at the tape outlet 21. The length of the cable tie exposed at the tape outlet 21 is moderate. It should be neither too long, which would cause it to droop under gravity and affect the clamping of the cable tie traction component 2, nor too short, which would prevent the cable tie traction component 2 from clamping it. The pressure block 22 is driven by a pressure cylinder.

[0038] The lower clamping plate 18 and the clamping cylinder 19 are mounted on the movable seat, which is slidably mounted on the slide rail. The movable seat is connected to the drive block, which is connected to the synchronous belt. The synchronous belt is wound around the synchronous pulley, which is driven by a motor. The pressing cylinder 20, the slide rail, the synchronous pulley, and the motor are mounted on the mounting frame 13. The number of rotations of the motor is controlled, which can adjust the length of the cable tie pulled out by the cable tie traction member 2. The cable tie unwinding shaft assembly 8 includes a motor-driven active unwinding shaft, a lifting tension adjustment shaft, and a winding shaft for winding the cable tie, which is a mature technology.

[0039] The continuous roll of film tape itself has a certain tension. The cable tie pressure plate 6 can press the cable tie onto the film tape to generate sufficient friction to overcome the pulling force of the lower clamping plate 18. Alternatively, when the cable tie pressure plate 6 presses the cable tie, the end of the cable tie may be partially or completely separated from the lower clamping plate 18 (the height difference between the cable tie traction path and the bag feeding path is sufficient).

[0040] In other alternative embodiments, the bag feeding mechanism 1 can also clamp and feed the formed bag, use a suction nozzle to open the bag, and the base 14 extends into the bag; the suction nozzle can be used to pull the cable tie; a lifting pressure block can be used instead of the pressure plate 10, the pressure block presses down on the cable tie before the scissors 7 cuts, and the pressure block releases the cable tie after the cable tie traction component 2 clamps the cable tie; the scissors 7 can be replaced by a combination of positioning groove and cutter, which is a mature technology; when the bag material changes, ultrasonic welding can be used to connect the bag surface and the cable tie.

[0041] The above description represents the preferred embodiment of this utility model. It should be noted that the scope of protection of this utility model is not limited thereto. For those skilled in the art, various improvements, modifications, or equivalent substitutions can be made without departing from the equivalent inventive concept disclosed in this utility model, and these can also be considered as part of the scope of protection of this utility model.

Claims

1. A bag opening tie installation device for a bag making machine, characterized in that: The device includes a cable tie installation station, which is equipped with a bag feeding mechanism (1) and a cable tie traction component (2). The cable tie traction component (2) moves left and right to form a cable tie traction path. Along the cable tie traction path, there are cable tie feeding components (3), cable tie cutting components (4) and cable tie installation components (5) in sequence.

2. The bag opening tie installation device for a bag making machine as described in claim 1, characterized in that: The cable tie traction path is also provided with a cable tie pressure plate (6) with lifting and lowering, and the cable tie installation assembly (5) is located between the cable tie cutting assembly (4) and the cable tie pressure plate (6).

3. The bag opening tie installation device for a bag making machine as described in claim 1, characterized in that: The cable tie cutting assembly (4) includes scissors (7) that open to form an opening for the cable tie puller (2) to pass through.

4. The bag opening tie installation device for a bag making machine as described in claim 1, characterized in that: The cable tie feeding assembly (3) includes a cable tie unwinding shaft assembly (8) and a cable tie feeding seat (9). The cable tie feeding seat (9) is provided with an inlet and an outlet (21) from left to right. A pressure plate (10) is provided between the inlet and the outlet (21). A lifting pressure block (22) is provided above the pressure plate (10).

5. The bag opening tie installation device for a bag making machine as described in claim 2, characterized in that: The cable tie traction component (2), the cable tie feeding component (3), the cable tie cutting component (4), the cable tie mounting component (5), and the cable tie pressure plate (6) are all mounted on the movable plate (11), which is adjustable by moving back and forth.

6. The bag opening tie installation device for a bag making machine as described in claim 5, characterized in that: The bag feeding mechanism (1) includes a bag feeding roller group (12), which forms a bag feeding path, and the moving plate (11) is located above the bag feeding path.

7. The bag opening tie installation device for a bag making machine as described in claim 6, characterized in that: The movable plate (11) is provided with a mounting frame (13). The cable tie mounting assembly (5) includes a base (14) and a heat sealing head (15). The mounting frame (13) is provided with the base (14) and the heat sealing head (15). The heat sealing head (15) is raised and lowered. The cable tie traction path is located between the base (14) and the heat sealing head (15). The bag feeding roller group (12) includes a bag feeding roller shaft (16). The bag feeding roller shaft (16) is located between the movable plate (11) and the base (14).

8. The bag opening tie installation device for a bag making machine as described in claim 7, characterized in that: The cable tie traction component (2) includes an upper clamping plate (17) and a lower clamping plate (18). The bottom edge of the lower clamping plate (18) is higher than the top edge of the base (14). The upper clamping plate (17) is connected to the output shaft of the clamping cylinder (19). The cable tie pressure plate (6) is connected to the output shaft of the pressing cylinder (20). The output shaft of the clamping cylinder (19) and the output shaft of the pressing cylinder (20) are misaligned in the front-back direction.

9. The bag opening tie installation device for a bag making machine as described in claim 8, characterized in that: The cable tie pressure plate (6) has a pressing position and a waiting position. The cable tie pressure plate (6) moves up and down between the pressing position and the waiting position. The cable tie traction path is located between the pressing position and the waiting position. When the heat sealing head (15) is reset and the cable tie pressure plate (6) moves to the pressing position, the cable tie traction member (2) moves to the right to the cable tie feeding assembly (3) to pick up the cable tie.

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