A grabbing device for food packaging bags

Abstract

The utility model belongs to the technical field of food packaging bags, and particularly relates to a gripping device for food packaging bags, comprising a gripping frame, an outer wall of the gripping frame is fixedly connected with a pneumatic push rod, an output end of the pneumatic push rod is fixedly connected with an active block, both ends of the active block are screwed with a first connecting rod, by setting the first connecting rod and the second connecting rod, the working suction cup works to engage with the packaging bag body, and then the pneumatic push rod works to drive the active block to slide, the sliding of the active block drives the two groups of first connecting rods to move synchronously, the sliding of the active block drives the telescopic rod of the outer wall of the driven block to slide along the inner wall of the limiting sleeve through the first connecting rod, at the same time, the movement of the driven block drives the two groups of second connecting rods to rotate relative to each other through the connecting block, and the two groups of first connecting rods and the two groups of second connecting rods move relative to each other, so that the movement of the bonding plate drives the packaging bag body of the outer wall of the working suction cup to move synchronously, so as to realize the large-scale expansion operation of the packaging bag body.

Description

Technical Field

[0001] The utility model belongs to the technical field of food packaging bags, and in particular relates to a grabbing device used for food packaging bags. Background Art

[0002] Packaging bags refer to bags used to pack various supplies, making it convenient to transport and store goods during the production and circulation process. Packaging bags refer to bags used to pack various supplies and are widely used in daily life and industrial production.

[0003] For example, the patent with publication number CN213921729U discloses a grabbing device for food packaging bags, including a U-shaped frame and a packaging bag body with a clearance fit at the center of the U-shaped frame, the two bottom ends of the U-shaped frame are respectively connected to two fan-shaped disks by rotating shafts, two third sleeves are arranged on the outside of the U-shaped frame, a connecting sleeve rod is sleeved in the rotating groove, a swinging slide rod is sleeved between the two third sleeves, the swinging slide rod is fixedly connected to the connecting sleeve rod and the connecting rod, and a top opening is fixedly connected to the opening of the fan-shaped disk, and the top opening abuts against the sticky pad. In the utility model, a reciprocating adhesion grabbing mechanism is adopted to realize the vertical displacement of the rotating rod. At this time, the fan-shaped disk deflects and drives the sticky pad to absorb and pull apart the two sides of the packaging bag body, and an extrusion deformation separation mechanism is adopted to reduce the adsorption effect between the sticky pad and the packaging bag body, and facilitate the packaging bag body to be unfolded and taken out for use.

[0004] When the existing grabbing device for food packaging bags is used, the unfolding range of the food packaging bags is small, which makes food packaging more difficult. In view of this, we propose a grabbing device for food packaging bags. Utility Model Content

[0005] The purpose of the utility model is to provide a grabbing device for food packaging bags in view of the above existing technical problems, so as to solve the problem of small unfolding range of food packaging bags proposed in the above background technology.

[0006] In view of this, the utility model provides a grabbing device for food packaging bags, comprising a grabbing frame, an outer wall of the grabbing frame is fixedly connected to a pneumatic push rod, an output end of the pneumatic push rod is fixedly connected to an active block, both ends of the active block are screwed to a first connecting rod, one end of the first connecting rod is screwed to a driven block, an outer wall of the driven block is fixedly connected to a telescopic rod, an outer wall of the telescopic rod is slidably connected to a limiting sleeve fixedly connected to the outer wall of the grabbing frame, one end of the driven block is screwed to a second connecting rod, one end of the second connecting rod is screwed to a connecting block slidably connected to an inner wall of the grabbing frame, an outer wall of the first connecting rod is fixedly connected to a bonding plate, an outer wall of the bonding plate is fixedly connected to a working suction cup, and a packaging bag body is sucked into the outer wall of the working suction cup;

[0007] The limiting component is located below the grabbing frame and is used to perform limiting operations on the packaging bag body.

[0008] Based on the above structure, the working suction cup is attracted to the packaging bag body when it works, and then the pneumatic push rod works to drive the active block to slide, and the sliding of the active block drives the two groups of first connecting rods to move synchronously, and the sliding of the active block drives the telescopic rod on the outer wall of the driven block to slide along the inner wall of the limiting sleeve through the first connecting rod. At the same time, the movement of the driven block drives the two groups of second connecting rods to rotate relative to each other through the connecting block, and the two groups of first connecting rods and the two groups of second connecting rods move relative to each other, so that the movement of the bonding plate drives the packaging bag body on the outer wall of the working suction cup to move synchronously, thereby realizing a large-scale expansion operation of the packaging bag body.

[0009] Preferably, the first connecting rod and the second connecting rod are each provided with two groups, and the two groups of the first connecting rods and the two groups of the second connecting rods are distributed in a diamond shape through connecting blocks, and the outer walls of the first connecting rod and the second connecting rod are each provided with a bonding plate. During operation, the two groups of the first connecting rod and the two groups of the second connecting rod are set to move relative to each other, so that the movement of the bonding plate drives the packaging bag main body of the outer wall of the working suction cup to move synchronously, thereby realizing a large-scale unfolding operation of the packaging bag main body.

[0010] Preferably, the telescopic rod forms a telescopic structure through the first connecting rod, the second connecting rod and the limiting sleeve. During operation, the active block slides through the first connecting rod to drive the telescopic rod on the outer wall of the driven block to slide along the inner wall of the limiting sleeve, thereby realizing the control operation of the sliding of the telescopic rod.

[0011] Preferably, the packaging bag main body forms an unfolding structure through two groups of the first connecting rods and two groups of the second connecting rods. During operation, the active block slides to drive the two groups of first connecting rods to move synchronously. The active block slides through the first connecting rod to drive the telescopic rod on the outer wall of the driven block to slide along the inner wall of the limiting sleeve. At the same time, the driven block moves through the connecting block to drive the two groups of second connecting rods to rotate relative to each other, and the movement of the bonding plate drives the packaging bag main body on the outer wall of the working suction cup to move synchronously.

[0012] Preferably, the limiting component comprises:

[0013] A limiting base, the bottom end of the grabbing frame is fixedly connected to the limiting base, the inner wall of the limiting base is provided with a bolt, the outer wall of the bolt is threadedly connected with a telescopic plate, telescopic holes are opened at both ends of the telescopic plate, the outer wall of the telescopic hole is movably connected with a connecting column, a limiting slide is opened at the connecting part of the grabbing frame and the connecting column, and the top of the connecting column is fixedly connected with a limiting plate that fits the outer wall of the packaging bag body. During work, the staff rotates the bolt, and the bolt drives the telescopic plate to slide through the thread. The sliding of the telescopic plate drives the two groups of telescopic hole slots to slide synchronously. The sliding of the telescopic hole slot drives the connecting column to slide along the outer wall of the limiting slide slot. The sliding of the connecting column drives the limiting plate to slide synchronously, thereby realizing the limiting operation of the packaging bag body.

[0014] Preferably, the shape of the telescopic hole groove is inclined, and the packaging bag body is perpendicular to the limit plate. During operation, the bolt drives the telescopic plate to slide through the thread, and the sliding of the telescopic plate drives the two groups of telescopic hole grooves to slide synchronously, thereby realizing the operation of synchronous sliding of the two groups of telescopic hole grooves.

[0015] Preferably, the limit plate forms a sliding structure through the telescopic hole and the connecting column and the limit slide groove. During operation, the sliding of the telescopic hole drives the connecting column to slide along the outer wall of the limit slide groove, and the sliding of the connecting column drives the limit plate to slide synchronously, thereby realizing the limiting operation of the packaging bag body.

[0016] The beneficial effects of the utility model are:

[0017] 1. By setting a limit plate, the bolt drives the telescopic plate to slide through the thread, the sliding of the telescopic plate drives the two sets of telescopic hole slots to slide synchronously, the sliding of the telescopic hole slots drives the connecting column to slide along the outer wall of the limit slide slot, and the sliding of the connecting column drives the limit plate to slide synchronously, thereby realizing the limit operation of the packaging bag body.

[0018] 2. By setting the first connecting rod and the second connecting rod, the working suction cup is attracted to the packaging bag body, and then the pneumatic push rod works to drive the active block to slide, and the sliding of the active block drives the two groups of first connecting rods to move synchronously. The sliding of the active block drives the telescopic rod on the outer wall of the driven block to slide along the inner wall of the limiting sleeve through the first connecting rod. At the same time, the movement of the driven block drives the two groups of second connecting rods to rotate relative to each other through the connecting block. Through the relative movement of the two groups of first connecting rods and the two groups of second connecting rods, the movement of the bonding plate drives the packaging bag body on the outer wall of the working suction cup to move synchronously, thereby realizing the large-scale expansion operation of the packaging bag body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the grabbing frame structure of the utility model;

[0021] Figure 3This is a schematic diagram of the working structure of the grabbing frame of the utility model;

[0022] Figure 4 It is a schematic diagram of the internal structure of the limiting base of the utility model.

[0023] The symbols in the figure are:

[0024] 1. Grabbing frame; 2. Pneumatic push rod; 3. Active block; 4. First connecting rod; 5. Driven block; 6. Telescopic rod; 7. Limit sleeve; 8. Second connecting rod; 9. Connecting block; 10. Laminating plate; 11. Working suction cup; 12. Packaging bag body; 13. Limiting base; 14. Bolt; 15. Telescopic plate; 16. Telescopic hole slot; 17. Connecting column; 18. Limiting slide slot; 19. Limiting plate. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1 - Figure 4 This application is described in further detail.

[0026] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0027] The embodiment of the present application discloses a grabbing device for food packaging bags, including a grabbing frame 1, a pneumatic push rod 2 is fixedly connected to the outer wall of the grabbing frame 1, an active block 3 is fixedly connected to the output end of the pneumatic push rod 2, both ends of the active block 3 are screwed with a first connecting rod 4, one end of the first connecting rod 4 is screwed with a driven block 5, the outer wall of the driven block 5 is fixedly connected with a telescopic rod 6, the outer wall of the telescopic rod 6 is slidably connected with a limiting sleeve 7 fixedly connected to the outer wall of the grabbing frame 1, one end of the driven block 5 is screwed with a second connecting rod 8, one end of the second connecting rod 8 is screwed with a connecting block 9 slidably connected to the inner wall of the grabbing frame 1, the outer wall of the first connecting rod 4 is fixedly connected to a bonding plate 10, the outer wall of the bonding plate 10 is fixedly connected to a working suction cup 11, and the outer wall of the working suction cup 11 is sucked with a packaging bag body 12;

[0028] The limiting component is located below the grabbing frame 1 and is used to perform a limiting operation on the packaging bag body 12 .

[0029] Based on the above structure, the working suction cup 11 works and engages with the packaging bag main body 12, and then the pneumatic push rod 2 works to drive the active block 3 to slide, and the sliding of the active block 3 drives the two groups of first connecting rods 4 to move synchronously, and the active block 3 slides through the first connecting rod 4 to drive the telescopic rod 6 on the outer wall of the driven block 5 to slide along the inner wall of the limiting sleeve 7. At the same time, the driven block 5 moves through the connecting block 9 to drive the two groups of second connecting rods 8 to rotate relative to each other. Through the relative movement of the two groups of first connecting rods 4 and the two groups of second connecting rods 8, the movement of the bonding plate 10 drives the packaging bag main body 12 on the outer wall of the working suction cup 11 to move synchronously, thereby realizing the large-scale expansion operation of the packaging bag main body 12.

[0030] In one embodiment, two groups of the first connecting rod 4 and the second connecting rod 8 are provided, the two groups of the first connecting rod 4 and the two groups of the second connecting rod 8 are distributed in a diamond shape through the connecting block 9, and the outer walls of the first connecting rod 4 and the second connecting rod 8 are provided with a bonding plate 10.

[0031] In this embodiment, two groups of first connecting rods 4 and two groups of second connecting rods 8 are arranged to move relative to each other, so that the movement of the laminating plate 10 drives the packaging bag body 12 on the outer wall of the working suction cup 11 to move synchronously, thereby realizing a large-scale unfolding operation of the packaging bag body 12.

[0032] In one embodiment, the telescopic rod 6 forms a telescopic structure through the first connecting rod 4 and the second connecting rod 8 and the limiting sleeve 7.

[0033] In this embodiment, the active block 3 slides through the first connecting rod 4 to drive the telescopic rod 6 on the outer wall of the driven block 5 to slide along the inner wall of the limiting sleeve 7, thereby realizing the control operation of the sliding of the telescopic rod 6.

[0034] In one embodiment, the packaging bag body 12 is in an unfolded structure through two groups of first connecting rods 4 and two groups of second connecting rods 8 .

[0035] In this embodiment, the active block 3 slides to drive the two groups of first connecting rods 4 to move synchronously. The active block 3 slides through the first connecting rod 4 to drive the telescopic rod 6 on the outer wall of the driven block 5 to slide along the inner wall of the limiting sleeve 7. At the same time, the driven block 5 moves through the connecting block 9 to drive the two groups of second connecting rods 8 to rotate relative to each other. The movement of the bonding plate 10 drives the packaging bag body 12 on the outer wall of the working suction cup 11 to move synchronously.

[0036] In one embodiment, the limiting assembly includes:

[0037] A limiting base 13, the bottom end of the grabbing frame 1 is fixedly connected to the limiting base 13, the inner wall of the limiting base 13 is provided with a bolt 14, the outer wall of the bolt 14 is threadedly connected with a telescopic plate 15, both ends of the telescopic plate 15 are provided with telescopic holes 16, the outer wall of the telescopic holes 16 is movably connected with a connecting column 17, a limiting slide groove 18 is provided at the connecting portion of the grabbing frame 1 and the connecting column 17, and the top of the connecting column 17 is fixedly connected with a limiting plate 19 that fits the outer wall of the packaging bag body 12.

[0038] In this embodiment, the staff rotates the bolt 14, and the bolt 14 drives the telescopic plate 15 to slide through the thread. The sliding of the telescopic plate 15 drives the two sets of telescopic hole grooves 16 to slide synchronously. The sliding of the telescopic hole grooves 16 drives the connecting column 17 to slide along the outer wall of the limiting slide groove 18. The sliding of the connecting column 17 drives the limiting plate 19 to slide synchronously, thereby realizing the limiting operation of the packaging bag body 12.

[0039] In one embodiment, the telescopic hole 16 is inclined, and the packaging bag body 12 is perpendicular to the limiting plate 19 .

[0040] In this embodiment, the bolt 14 drives the telescopic plate 15 to slide through the thread, and the sliding of the telescopic plate 15 drives the two groups of telescopic slots 16 to slide synchronously, thereby realizing the operation of synchronously sliding the two groups of telescopic slots 16.

[0041] In one embodiment, the limiting plate 19 forms a sliding structure with the limiting sliding groove 18 through the telescopic hole 16 and the connecting column 17 .

[0042] In this embodiment, the sliding of the telescopic hole 16 drives the connecting column 17 to slide along the outer wall of the limiting slide groove 18 , and the sliding of the connecting column 17 drives the limiting plate 19 to slide synchronously, thereby realizing the limiting operation of the packaging bag body 12 .

[0043] When the grabbing device for food packaging bags of this embodiment is in use, first, the staff places the packaging bag body 12 on one side of the bonding plate 10, and then performs a limiting operation on the packaging bag body 12. The staff rotates the bolt 14, and the bolt 14 drives the telescopic plate 15 to slide through the thread. The sliding of the telescopic plate 15 drives the two groups of telescopic hole grooves 16 to slide synchronously. The sliding of the telescopic hole grooves 16 drives the connecting column 17 to slide along the outer wall of the limiting slide groove 18. The sliding of the connecting column 17 drives the limiting plate 19 to slide synchronously, thereby realizing the limiting operation of the packaging bag body 12.

[0044] Finally, the working suction cup 11 works and engages with the packaging bag body 12, and then the pneumatic push rod 2 works to drive the active block 3 to slide, and the sliding of the active block 3 drives the two groups of first connecting rods 4 to move synchronously, and the active block 3 slides through the first connecting rod 4 to drive the telescopic rod 6 on the outer wall of the driven block 5 to slide along the inner wall of the limiting sleeve 7. At the same time, the driven block 5 moves through the connecting block 9 to drive the two groups of second connecting rods 8 to rotate relative to each other, and the two groups of first connecting rods 4 and the two groups of second connecting rods 8 move relative to each other, so that the movement of the bonding plate 10 drives the packaging bag body 12 on the outer wall of the working suction cup 11 to move synchronously, thereby realizing the large-scale expansion operation of the packaging bag body 12.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A grabbing device for food packaging bags, characterized in that: include: A grabbing frame (1), wherein the outer wall of the grabbing frame (1) is fixedly connected with a pneumatic push rod (2), the output end of the pneumatic push rod (2) is fixedly connected with an active block (3), both ends of the active block (3) are screwed with a first connecting rod (4), one end of the first connecting rod (4) is screwed with a driven block (5), the outer wall of the driven block (5) is fixedly connected with a telescopic rod (6), the outer wall of the telescopic rod (6) is slidably connected with a limiting sleeve (7) fixedly connected to the outer wall of the grabbing frame (1), one end of the driven block (5) is screwed with a second connecting rod (8), one end of the second connecting rod (8) is screwed with a connecting block (9) slidably connected to the inner wall of the grabbing frame (1), the outer wall of the first connecting rod (4) is fixedly connected with a bonding plate (10), the outer wall of the bonding plate (10) is fixedly connected with a working suction cup (11), and the outer wall of the working suction cup (11) sucks a packaging bag body (12); A limiting component is located below the grabbing frame (1) and is used to perform a limiting operation on the packaging bag body (12).

2. The grabbing device for food packaging bags according to claim 1, characterized in that: The first connecting rod (4) and the second connecting rod (8) are each provided with two groups, the two groups of the first connecting rod (4) and the two groups of the second connecting rod (8) are distributed in a rhombus shape through a connecting block (9), and the outer walls of the first connecting rod (4) and the second connecting rod (8) are each provided with a bonding plate (10).

3. The grabbing device for food packaging bags according to claim 1, characterized in that: The telescopic rod (6) forms a telescopic structure with the first connecting rod (4), the second connecting rod (8) and the limiting sleeve (7).

4. The gripping device for food packaging bags according to claim 1, characterized in that: The packaging bag body (12) forms an unfolding structure through two groups of the first connecting rods (4) and two groups of the second connecting rods (8).

5. The gripping device for food packaging bags according to claim 1, characterized in that: The limiting component comprises: A limiting base (13), the bottom end of the grabbing frame (1) is fixedly connected to the limiting base (13), the inner wall of the limiting base (13) is provided with a bolt (14), the outer wall of the bolt (14) is threadedly connected to a telescopic plate (15), both ends of the telescopic plate (15) are provided with telescopic holes (16), the outer wall of the telescopic holes (16) is movably connected to a connecting column (17), a limiting sliding groove (18) is provided at the connection portion between the grabbing frame (1) and the connecting column (17), and the top end of the connecting column (17) is fixedly connected to a limiting plate (19) that fits the outer wall of the packaging bag body (12).

6. The gripping device for food packaging bags according to claim 5, characterized in that: The telescopic hole (16) has an inclined shape, and the packaging bag body (12) is perpendicular to the limiting plate (19).

7. The gripping device for food packaging bags according to claim 5, characterized in that: The limiting plate (19) forms a sliding structure with the limiting sliding groove (18) through the telescopic hole groove (16) and the connecting column (17).

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