Bag clamping mechanism of bagging machine

Abstract

The utility model discloses a bag clamping mechanism of a bagging machine, which comprises movable frames arranged on a chain, and is characterized in that the movable frames are provided with a first bag clamping arm and a second bag clamping arm which can swing, and the first bag clamping arm and the second bag clamping arm are matched with corresponding first springs, so that the first bag clamping arm and the second bag clamping arm are far away from each other, and the movable frames are arranged on the chain. The first bag clamping arm and the second bag clamping arm are each provided with a lower clamping jaw and an upper clamping jaw capable of swinging, the upper clamping jaws are matched with the corresponding second springs so that the upper clamping jaws can tightly press the lower clamping jaws, and the bag feeding station and the bag discharging station are each provided with a jaw opening arm which can collide with each other and drive the upper clamping jaws to swing to be separated from the lower clamping jaws. And a bag loosening seat capable of extruding and driving the first bag clamping arm and the second bag clamping arm to get close to each other is arranged at the bagging station. The bag opening device is simple in structure and reasonable in design, the bag opening of a packaging bag can be loosened during charging, the packaging bag can be more conveniently opened, materials can be smoothly pushed into the packaging bag, and meanwhile the bag clamping stability can be kept.

Description

Technical Field

[0001] The utility model relates to packaging equipment, in particular to a bag clamping mechanism of a bagging machine. Background Art

[0002] A bagging machine is a device that can automatically load materials into packaging bags. The working principle of one type of horizontal push bagging machine is: the empty packaging bag is clamped by the bag clamping mechanism and sent to the loading station, and then the bag support mechanism opens the opening of the packaging bag and pushes the material into the package through the pushing mechanism to complete the bagging operation. The traditional bag clamping mechanism generally only has a clamping claw mechanism, and the position of the clamping claw mechanism will not change when it moves to the loading station. Since the two ends of the packaging bag opening are clamped and limited, it is easy to make the opening difficult to open. In the actual production process, the bag opening often fails to open properly. During the material pushing process, it is easy to touch the side of the packaging bag, resulting in the material being unable to be accurately pushed into the packaging bag. 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 clamping mechanism of a bagging machine for solving the above-mentioned problem.

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

[0005] The bag clamping mechanism of the bag filling machine includes a movable frame, which is arranged on a chain and is characterized in that: a first swingable bag clamping arm and a second bag clamping arm are arranged on the movable frame, and the first and second bag clamping arms are both matched with corresponding first springs so that the first and second bag clamping arms are separated from each other; a lower clamping jaw and a swingable upper clamping jaw are arranged on the first and second bag clamping arms, and the upper clamping jaw is matched with corresponding second springs so that the upper clamping jaw presses the lower clamping jaw tightly; opening jaws that can collide and drive the upper clamping jaw to swing and separate from the lower clamping jaw are arranged at the bag feeding station and the bag discharging station; a bag loosening seat that can squeeze and drive the first and second bag clamping arms to swing close to each other is arranged at the bag filling station.

[0006] The frame is provided with guide rails corresponding to the moving track of the moving frame, and the moving frame is provided with guide wheels which can cooperate with the guide rails.

[0007] The first and second bag clamping arms are provided with first rollers which can be pressed with the bag loosening seat, and the upper clamping jaw is provided with a second roller which can be pressed with the jaw opening arm.

[0008] The opening claw arm is arranged on a first lifting seat, and the first lifting seat is connected to a piston rod of a first cylinder.

[0009] It also includes an adjusting screw rotatably arranged on the frame, wherein the adjusting screw abuts against the bottom of the bag loosening seat, a sliding seat is installed on the bag loosening seat, and a sliding rail matched with the sliding seat is arranged on the frame.

[0010] The bag loosening seat is provided with a first inclined surface section, a straight section and a second inclined surface section which are sequentially cooperated with the first and second bag clamping arms for extrusion.

[0011] The bag clamping mechanism of the bagging machine of the above technical solution is achieved by arranging the jaw assembly on the first bag clamping arm and the second bag clamping arm. When the jaw assembly clamps the packaging bag and moves it to the loading station, the first and second bag clamping arms will swing closer to each other under the drive of the bag loosening seat, thereby making the two jaw assemblies closer to each other, so that the clamped ends at both ends of the packaging bag opening are close, the opening of the packaging bag is looser, and it is convenient for the bag-opening assembly to open the opening of the packaging bag and the opened opening is also larger, so that the material can be pushed into the packaging bag more smoothly to complete the loading operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model has the following drawings:

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 for Figure 1 A partial enlarged view of the area pointed by A in the middle. DETAILED DESCRIPTION

[0015] As shown in the figure, the bag clamping mechanism of the bagging machine disclosed by the utility model includes a mobile frame 7, and the mobile frame 7 is arranged on a chain 8. Furthermore, a guide rail 4 corresponding to the moving trajectory of the mobile frame 7 is provided on the frame, and a guide wheel that can cooperate with the guide rail 4 is provided on the mobile frame 7 to guide the movement of the mobile frame 7 and avoid changes in the height position of the mobile frame 7 caused by the stretching of the chain 8 after long-term use, thereby ensuring the accuracy of the moving position of the mobile frame 7. The mobile frame 7 is provided with a swingable first bag clamping arm 13 and a second bag clamping arm 20. The first and second bag clamping arms are both matched with the corresponding first spring 14, so that the first and second bag clamping arms are separated from each other. The first and second bag clamping arms are both provided with a lower clamping jaw 11 and a swingable upper clamping jaw 9. The upper clamping jaw 9 is matched with the corresponding second spring 12, so that the upper clamping jaw 9 presses the lower clamping jaw 11. The bag feeding station 21 and the bag discharging station 22 are both provided with an opening jaw arm 1 that can collide and drive the upper clamping jaw 9 to swing and separate from the lower clamping jaw 11. The bag filling station 23 is provided with a bag loosening seat 17 that can squeeze and drive the first and second bag clamping arms to approach each other. In addition, the first and second bag clamping arms are provided with a first roller 16 that can squeeze with the bag loosening seat 17, and the upper clamping jaw 9 is provided with a second roller 10 that can squeeze with the opening jaw arm 1. The roller contact extrusion makes the cooperative extrusion smoother and also avoids deformation or damage of components caused by rigid collision extrusion. The claw opening arm 1 is arranged on the first lifting seat 5, and the first lifting seat 5 is connected with the piston rod of the first cylinder 6. By controlling the first cylinder 6, the claw opening arm 1 can be driven to be lifted and lowered, and whether to perform the bag clamping operation can be selected. It also includes a rotating adjusting screw 19 arranged on the frame, the adjusting screw 19 is against the bottom of the bag loosening seat 17, a slide seat is installed on the bag loosening seat 17, and a slide rail matched with the slide seat is arranged on the frame. By controlling the adjusting screw 19 to rotate, the bag loosening seat 17 can be driven to be lifted and lowered, and the swing angles of the first and second bag clamping arms are adjusted. The bag loosening seat 17 is provided with a first inclined surface section 24, a straight section 18 and a second inclined surface section 15 which are sequentially matched with the first and second bag clamping arms for extrusion.

[0016] The working principle of the utility model is as follows: the movable seat 7 is also moved to the bag feeding station 21 driven by the chain 8, and the upper clamping jaws 9 on the first and second bag clamping arms are squeezed by the jaw opening arm 1 and swing upward to separate from the lower clamping jaw 11, and the packaging bag 3 is also sent to the bag feeding station 21 and moved between the upper and lower clamping jaws, and then the movable seat 7 continues to move, so that the upper clamping jaw 9 is separated from the jaw opening arm 1, and the upper clamping jaw 9 swings driven by the second spring to cooperate with the lower clamping jaw 11 to clamp the packaging bag, and then as the movable seat 7 moves, the packaging bag 3 is clamped to the bagging station 23. In this process, the first and second bag clamping arms are squeezed by the first inclined surface section 24 on the bag loosening seat 17 to swing, so that the first and second The clamping jaws on the bag clamping arms approach each other until the first and second bag clamping arms are in contact with the straight section 18, thereby making the open end of the packaging bag looser, which is convenient for opening the packaging bag and loading. After loading is completed, the movable seat 7 drives the packaging bag to continue moving and the first and second bag clamping arms are separated from the bag loosening seat 17. The first and second bag clamping arms swing back under the action of the first spring 14, so that the two clamping jaws are away from each other, ensuring the flatness of the bag mouth clamping. Finally, the packaging bag is clamped and sent to the bag outlet station 22, and the upper clamping jaw 9 is squeezed by the opening jaw arm 1 and swings upward to separate from the lower clamping jaw 11 to release the packaging bag, so that the subsequent bag pushing mechanism can push the loaded packaging bag to the collection station.

[0017] The structure of the utility model arranges the clamping jaw assembly on the first bag clamping arm and the second bag clamping arm. When the clamping jaw assembly clamps the packaging bag and moves to the loading station, the first and second bag clamping arms will swing closer to each other under the drive of the bag loosening seat, thereby making the two clamping jaw assemblies closer to each other, so that the clamped ends at both ends of the packaging bag opening are close to each other, the opening of the packaging bag is looser, and it is convenient for the bag-opening assembly to open the opening of the packaging bag and the opened opening is also larger, so that the material can be pushed into the packaging bag more smoothly to complete the loading operation.

Claims

1. A bag clamping mechanism of a bagging machine, comprising a movable frame (7), wherein the movable frame (7) is arranged on a chain (8), and is characterized in that: The movable frame (7) is provided with a first bag clamping arm (13) and a second bag clamping arm (20) which can swing. The first and second bag clamping arms are both matched with corresponding first springs (14) so ​​that the first and second bag clamping arms are separated from each other. The first and second bag clamping arms are both provided with a lower clamping jaw (11) and a swingable upper clamping jaw (9). The upper clamping jaw (9) is matched with corresponding second springs (12) so that the upper clamping jaw (9) presses the lower clamping jaw (11). The bag feeding station (21) and the bag discharging station (22) are both provided with an opening jaw arm (1) which can collide and drive the upper clamping jaw (9) to swing and separate from the lower clamping jaw (11). The bag filling station (23) is provided with a bag loosening seat (17) which can squeeze and drive the first and second bag clamping arms to approach each other.

2. The bag clamping mechanism of the bagging machine according to claim 1 is characterized in that The frame is provided with a guide rail (4) corresponding to the moving track of the moving frame (7), and the moving frame (7) is provided with a guide wheel that can cooperate with the guide rail (4).

3. The bag clamping mechanism of the bagging machine according to claim 1 is characterized in that The first and second bag clamping arms are provided with first rollers (16) that can be pressed against the bag loosening seat (17), and the upper clamping jaw (9) is provided with a second roller (10) that can be pressed against the jaw opening arm (1).

4. The bag clamping mechanism of the bagging machine according to claim 1, characterized in that The claw opening arm (1) is arranged on a first lifting seat (5), and the first lifting seat (5) is connected to a piston rod of a first cylinder (6).

5. The bag clamping mechanism of the bagging machine according to claim 1, characterized in that It also includes an adjusting screw (19) rotatably arranged on the frame, wherein the adjusting screw (19) abuts against the bottom of the bag loosening seat (17), a sliding seat is installed on the bag loosening seat (17), and a sliding rail matched with the sliding seat is arranged on the frame.

6. The bag clamping mechanism of the bagging machine according to claim 1, characterized in that The bag loosening seat (17) is provided with a first inclined surface section (24), a straight section (18) and a second inclined surface section (15) which are sequentially cooperated with the first and second bag clamping arms for extrusion.

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