Bag turning mechanism

Abstract

This utility model discloses a packaging bag flipping mechanism, including a frame and a conveyor belt. The frame is equipped with a left traction component that reciprocates along the width of the conveyor belt and a right ejector component that reciprocates along the width of the conveyor belt and cooperates with the left traction component. The left traction component includes a traction frame mounted on the frame, a suction cup for adsorbing the packaging bag, a guide component for guiding the suction cup's reciprocating movement along the width of the conveyor belt, a drive component, and a linkage component that links the drive component and the suction cup. The guide component gives the suction cup a downward position during movement to adsorb the packaging bag above the conveyor belt. This utility model has the following advantages and effects: It has a simple structure and uses fewer drive components, thus significantly improving the reliability and cost-effectiveness of the equipment and reducing the production cost for enterprises.

Description

Technical Field

[0001] This utility model relates to a packaging bag processing equipment, and more particularly to a packaging bag turning mechanism. Background Technology

[0002] Packaging bags are common items in daily life, widely used in food, daily necessities, industrial products, and many other fields. Their main functions are to protect goods, facilitate transportation, promote sales, and provide information. During the production and processing of packaging bags, a bag-turning operation is required to change the two surfaces of the bag to adapt to subsequent processing steps.

[0003] Currently available bag-flipping mechanisms are complex in structure and require multiple drive components to work together to complete movements in various directions, ultimately achieving the bag-flipping operation. This structural design significantly increases the production cost of bag-flipping mechanisms and also significantly increases the failure rate during use. This, in turn, greatly reduces the reliability and cost-effectiveness of the equipment. To address these issues, this improved solution has been developed. Utility Model Content

[0004] The purpose of this invention is to provide a packaging bag flipping mechanism. This packaging bag flipping mechanism has a simple structure and uses fewer driving components, thereby greatly improving the reliability and cost-effectiveness of the equipment and reducing the production costs of enterprises.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a packaging bag flipping mechanism, including a frame and a conveyor belt. The frame is provided with a left traction member that reciprocates along the width direction of the conveyor belt and a right push-out member that reciprocates along the width direction of the conveyor belt and cooperates with the left traction member. The left traction member includes a traction frame provided on the frame, a suction cup for adsorbing the packaging bag, a guide component for guiding the suction cup to reciprocate along the width direction of the conveyor belt, a drive component, and a linkage component that links the drive component and the suction cup. The guide component gives the suction cup a descending position during the movement to adsorb the packaging bag above the conveyor belt.

[0006] By adopting the above technical solution, the drive component drives the suction cup, guided by the guide component, to move along the width of the conveyor belt. During the movement, the suction cup lowers its height by setting a descent position, allowing it to adhere to one end of the packaging bag and drag that end of the bag along the width of the conveyor belt towards the other side. As the packaging bag moves from left to right, a right ejector component pushes the bag out from right to left. Finally, the suction cup releases the bag, completing the bag-flipping operation. This configuration is simple in structure, and by using the guide component, it reduces the number of drive components, thereby significantly improving the reliability and cost-effectiveness of the equipment and reducing the production costs for enterprises.

[0007] A further configuration is made such that when the suction cup is in the descending position, the suction cup is positioned directly above one end of the packaging bag on the conveyor belt.

[0008] By adopting the above technical solution, this limitation enables the suction cup to accurately adsorb the packaging bag and enter the subsequent bag-turning operation.

[0009] The drive assembly is further configured to include a drive screw rotatably mounted on the traction frame and a drive member that drives the drive screw to rotate.

[0010] By adopting the above technical solution, the driving component, in conjunction with the driving screw, can achieve horizontal reciprocating motion along the width direction of the conveyor belt.

[0011] The linkage component is further configured as follows: the linkage component includes a horizontal slide block that is slidably disposed on the traction frame and reciprocates horizontally along the width direction of the conveyor belt, and a lifting slide block that is slidably disposed on the horizontal slide block in the vertical direction and moves with the horizontal slide block; the drive screw passes through the horizontal slide block and is threadedly connected to the horizontal slide block; and the suction cup is installed on the lifting slide block.

[0012] By adopting the above technical solution, the horizontal slide combined with the lifting slide structure not only allows the suction cup to reciprocate along the width of the conveyor belt, but also gives the suction cup the function of lifting and lowering during the movement, so as to adsorb the packaging bag located above the conveyor belt.

[0013] The guide assembly is further configured such that: the guide plate is mounted on the traction frame, a guide path is disposed on the guide plate and extends along the width direction of the conveyor belt, and a descending recess is connected to the guide path; the lifting slide is slidably disposed within the guide path by resisting each other with gravitational potential energy.

[0014] By adopting the above technical solution, the lifting slide slides against the guide path and moves along the guide path. When the lifting slide moves to the lowering recess, the height of the suction cup is reduced, thereby realizing the adsorption operation of the packaging bag.

[0015] A further feature is provided: a support wheel is provided at the position where the lifting slide abuts the guide path.

[0016] By adopting the above technical solution, the bearing wheel is designed to reduce the relative wear between the lifting slide and the guide path, thereby extending the service life and improving the guiding accuracy of the guide assembly.

[0017] The suction cup is further configured such that it is slidably mounted on a lifting slide via a slide frame, a tension spring is provided between the lifting slide and the slide frame to drive the suction cup downward, and an adjusting stud is provided between the lifting slide and the slide frame to adjust the suction cup upward.

[0018] By adopting the above technical solution, the tension spring is designed to achieve elastic adsorption contact between the suction cup and the packaging bag, thereby improving the reliability of the suction cup adsorbing the packaging bag. Furthermore, the adjustable stud can be used to adjust the suction cup according to the installation conditions to ensure accuracy.

[0019] The right ejector component is further configured to include an ejector cylinder mounted on the frame and a plurality of ejector nozzles driven by the ejector cylinder.

[0020] By adopting the above technical solution, the ejector cylinder drives the ejector nozzle to extend, and then the airflow ejected from the ejector nozzle applies a flipping force to the packaging bag.

[0021] In summary, this utility model has the following beneficial effects: the utility model has a simple structure and uses fewer driving components, thereby greatly improving the reliability and cost-effectiveness of the equipment and reducing the production costs of enterprises. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0023] Figure 2 This is a partial structural diagram of an embodiment;

[0024] Figure 3 This is a partial structural schematic diagram from another perspective of the embodiment;

[0025] Figure 4 This is a partial exploded view of an embodiment;

[0026] Figure 5 This is a schematic diagram of the bag flipping structure in the embodiment.

[0027] In the diagram: 1. Frame; 2. Conveyor belt; 3. Left traction component; 31. Traction frame; 32. Suction cup; 33. Drive screw; 34. Drive component; 35. Horizontal slide; 36. Lifting slide; 37. Guide plate; 38. Guide path; 39. Lowering recess; 4. Right ejector component; 41. Ejector cylinder; 42. Ejector nozzle; 5. Bearing wheel; 6. Slide; 7. Lifting spring; 8. Adjusting stud; 9. Packaging bag. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings.

[0029] refer to Figures 1 to 5 A bag-flipping mechanism for packaging bags includes a frame 1 and a conveyor belt 2. The frame 1 is equipped with a left traction member 3 that reciprocates along the width of the conveyor belt 2, and a right ejector member 4 that reciprocates along the width of the conveyor belt 2 and cooperates with the left traction member 3. The left traction member 3 includes a traction frame 31 fixedly mounted on the frame 1, a suction cup 32 for adsorbing packaging bags 9, a guide component for guiding the suction cup 32 to reciprocate along the width of the conveyor belt 2, a drive component, and a linkage component that links the drive component and the suction cup 32. The guide component gives the suction cup 32 a downward position during movement to adsorb packaging bags 9 above the conveyor belt 2.

[0030] When the suction cup 32 is in the descending position, it is directly above one end of the packaging bag 9 on the conveyor belt 2. The drive assembly includes a drive screw 33 rotatably mounted on the traction frame 31 and a drive member 34 that drives the drive screw 33 to rotate. The drive member 34 is a motor fixedly mounted on the traction frame 31, and the output shaft of the motor is fixedly connected to the drive screw 33.

[0031] The linkage assembly includes a horizontal slide 35 that is slidably mounted on the traction frame 31 and reciprocates horizontally along the width direction of the conveyor belt 2, and a lifting slide 36 that is slidably mounted on the horizontal slide 35 in the vertical direction and moves with the horizontal slide 35. A drive screw 33 passes through the horizontal slide 35 and is threadedly connected to the horizontal slide 35, and a suction cup 32 is mounted on the lifting slide 36.

[0032] The guiding assembly includes a guide plate 37 fixedly mounted on the traction frame 31, a guide path 38 formed on the guide plate 37 and extending along the width direction of the conveyor belt 2, and a descending recess 39 connected to the guide path 38. The lifting slide 36 is slidably disposed within the guide path 38 by resisting gravity potential energy. The lifting slide 36 abuts against the bottom of the guide path 38, and a bearing wheel 5 is rotatably disposed at the abutment position.

[0033] The suction cup 32 is slidably mounted on the lifting slide 36 via the slide 6. A tension spring 7 is fixedly connected between the lifting slide 36 and the slide 6 to drive the suction cup 32 to move downward. An adjusting stud 8 is provided between the lifting slide 36 and the slide 6 to adjust the upward movement of the suction cup 32. The suction cup 32 is fixedly installed on the slide 6, and the lower end of the adjusting stud 8 is threadedly connected to the lifting slide 36, while the upper end abuts against the slide 6.

[0034] The right ejector component 4 includes an ejector cylinder 41 mounted on the frame 1 and multiple ejector nozzles 42 fixedly connected to the telescopic rod of the ejector cylinder 41. The suction cup 32 is a vacuum suction cup, and both the suction cup 32 and the ejector nozzles 42 are supplied with air from an external air source. By setting a wider distance between two adjacent packaging bags 9 during transmission, the airflow ejected from the ejector nozzles 42 will not affect the next packaging bag 9.

[0035] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A bag-turning mechanism for packaging bags, comprising a frame (1) and a conveyor belt (2), characterized in that: The frame (1) is provided with a left traction member (3) that reciprocates along the width direction of the conveyor belt (2) and a right ejector member (4) that reciprocates along the width direction of the conveyor belt (2) and cooperates with the left traction member (3). The left traction member (3) includes a traction frame (31) provided on the frame (1), a suction cup (32) for adsorbing the packaging bag (9), a guide component for guiding the suction cup (32) to reciprocate along the width direction of the conveyor belt (2), a drive component, and a linkage component that links the drive component and the suction cup (32). The guide component gives the suction cup (32) a downward position for adsorbing the packaging bag (9) above the conveyor belt (2) during the movement.

2. The packaging bag flipping mechanism according to claim 1, characterized in that: When the suction cup (32) is in the descending position, the suction cup (32) is directly above one end of the packaging bag (9) on the conveyor belt (2).

3. The packaging bag flipping mechanism according to claim 2, characterized in that: The drive assembly includes a drive screw (33) rotatably mounted on the traction frame (31) and a drive member (34) that drives the drive screw (33) to rotate.

4. The packaging bag flipping mechanism according to claim 3, characterized in that: The linkage assembly includes a horizontal slide (35) that is slidably disposed on the traction frame (31) and reciprocates horizontally along the width direction of the conveyor belt (2), and a lifting slide (36) that is slidably disposed on the horizontal slide (35) and moves with the horizontal slide (35) in the vertical direction. The drive screw (33) passes through the horizontal slide (35) and is threadedly connected to the horizontal slide (35). The suction cup (32) is installed on the lifting slide (36).

5. The packaging bag flipping mechanism according to claim 4, characterized in that: The guiding assembly includes a guide plate (37) mounted on the traction frame (31), a guide path (38) set on the guide plate (37) and extending along the width direction of the conveyor belt (2), and a descending recess (39) connected to the guide path (38). The lifting slide (36) is slidably disposed in the guide path (38) by resisting each other by gravitational potential energy.

6. The packaging bag flipping mechanism according to claim 5, characterized in that: The lifting slide (36) is provided with a bearing wheel (5) at the position where it abuts the guide path (38).

7. The packaging bag flipping mechanism according to claim 4, characterized in that: The suction cup (32) is slidably mounted on the lifting slide (36) via the slide (6). A tension spring (7) is provided between the lifting slide (36) and the slide (6) to drive the suction cup (32) to move downward. An adjusting stud (8) is provided between the lifting slide (36) and the slide (6) to adjust the suction cup (32) to move upward.

8. The packaging bag flipping mechanism according to claim 1, characterized in that: The right ejector component (4) includes an ejector cylinder (41) mounted on the frame (1) and a plurality of ejector nozzles (42) driven by the ejector cylinder (41).

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