Bag opening mechanism

Abstract

The utility model belongs to the technical field of packaging mechanical equipment, and relates to a bag opening mechanism which comprises a lifting assembly. The bag opening assembly is mounted on the driving part of the lifting assembly and is driven by the lifting assembly to do lifting motion; the bag opening assembly comprises two bag opening supporting arms which can be close to or away from each other, a plurality of first suction cups are fixedly installed at the bag opening working end of each bag opening supporting arm, and meanwhile the bag opening working end of each bag opening supporting arm is further provided with a plurality of second suction cups capable of swinging. The product is reasonable and ingenious in structure, targeted improvement is conducted aiming at the problems existing in existing similar products, the bag opening is sucked and pulled open through the first suction cup moving horizontally, meanwhile, the bag opening is turned outwards through the second suction cup on the upper portion, reliable opening of the bag opening can be achieved, work is reliable and stable, and production efficiency is improved. The actions are realized by matching the synchronous pulley with the cylinder and the sucker, and the design is reasonable and ingenious.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging machinery and equipment and relates to a bag-supporting mechanism. Background Art

[0002] In the existing technology, the fully automatic bagging method can be divided into two types according to the feeding direction of the empty bag: one is horizontal feeding, that is, the feeding direction of the empty bag to the bag clamp device is consistent with the output direction of the full bag, and the bag feeding trajectory is a straight line. The other is longitudinal feeding, that is, the feeding direction of the empty bag to the bag clamp device is 90 degrees to the output direction of the full bag, and the bag feeding trajectory is an arc. The longitudinal bagging manipulator can be divided into double-arm suction cup opening type, double-arm insertion expansion type and double-arm clamp with insert knife opening type according to the structural form. The above three types are to open the bag and then put it on the bag clamp device. In the working process, there are still some problems, such as only being applicable to bags of a certain height, resulting in a narrow scope of application; secondly, the existing device also has many problems in opening the bag mouth, such as only being able to pull the bag mouth outward, but not being able to achieve a certain degree of eversion of the bag mouth. Summary of the invention

[0003] In view of the above problems, the utility model provides a bag-supporting mechanism, which can realize reliable opening and everting of the bag opening by cooperating with a fixed suction cup and a flip suction cup, and can be applied to pockets of various heights, thus having a wide range of applications.

[0004] According to the technical solution of the utility model: a bag-supporting mechanism, characterized in that it includes:

[0005] Lifting components;

[0006] A bag-supporting assembly, wherein the bag-supporting assembly is mounted on a driving portion of the lifting assembly and is driven by the lifting assembly to perform lifting motion;

[0007] The bag supporting assembly includes two bag supporting arms that can move closer to or farther away from each other, and a plurality of first suction cups are fixedly installed on the bag supporting working end of each bag supporting arm. At the same time, a plurality of second suction cups that can swing are also arranged on the bag supporting working end of the bag supporting arm.

[0008] As a further improvement of the utility model, the lifting assembly includes a vertical guide rail mounting frame, a vertical guide rail is mounted on one side surface of the vertical guide rail mounting frame, and a third cylinder is mounted on the other side surface;

[0009] The bag support assembly is connected to the vertical guide rail through a first slider in a sliding manner, the piston rod of the third cylinder is hinged to a connecting plate, and the connecting plate passes through a vertical guide groove on a vertical guide rail mounting frame and is fixedly connected to the first slider.

[0010] As a further improvement of the utility model, the bag support assembly includes a horizontal guide rail mounting frame, a horizontal guide rail is mounted on the inner side of the horizontal guide rail mounting frame, and the two bag support arms are respectively connected to the horizontal guide rail through a second slider for sliding cooperation;

[0011] A synchronous pulley is rotatably arranged on the inner side of the horizontal guide rail mounting frame corresponding to the two ends of the horizontal guide rail, and the synchronous toothed belt is tensioned on the synchronous pulley. The first slider cover plate and the second slider cover plate are fixedly connected to the two second sliders, respectively. The first slider cover plate and the second slider cover plate are fixedly connected to a bag support arm, respectively. The two sliders are fixedly connected to the synchronous toothed belt, respectively. The first cylinder is installed on the outer side of the horizontal guide rail mounting frame, and the second slider cover plate extends out of the guide groove on the side of the horizontal guide rail mounting frame and is fixedly connected to the piston rod end of the first cylinder.

[0012] As a further improvement of the utility model, reinforcing ribs are installed at the bottom of the horizontal guide rail mounting frame, and the reinforcing ribs are fixedly connected to the first slider; and a synchronous wheel cover plate is respectively installed at both ends of the horizontal guide rail mounting frame corresponding to the synchronous belt wheel.

[0013] As a further improvement of the utility model, the bag-supporting working ends of the bag-supporting arms are fixedly mounted with the bag-supporting bottom plate, the second cylinder is hingedly connected in the mounting cavity of the bag-supporting bottom plate, the piston rod end of the second cylinder is hingedly connected to the hinged seat of the bag-supporting cover plate, and the connecting seat of the bag-supporting cover plate is rotatably connected to the bag-supporting bottom plate;

[0014] The working end of the bag support bottom plate is symmetrically provided with first suction cups corresponding to the two sides of the installation cavity, and a row of second suction cups is horizontally provided on the bag support cover plate.

[0015] As a further improvement of the utility model, the upper end of the bag support cover plate is bent toward the outside.

[0016] As a further improvement of the utility model, a vertical shell is arranged on the vertical guide rail mounting frame, and the vertical shell arranges the third cylinder cover in its inner cavity.

[0017] The technical effect of the utility model is that: the product structure of the utility model is reasonable and ingenious, and targeted improvements are made to the problems existing in the existing similar products. The bag opening is sucked and pulled open by the horizontally moving first suction cup, and the bag opening is turned outward by the upper second suction cup, so that the bag opening can be reliably opened, and the operation is reliable and stable. The above actions are achieved by the synchronous pulley, cylinder and suction cup, and the design is reasonable and ingenious; secondly, the bag-supporting assembly can be lifted and lowered through the lifting assembly, which can ensure that the application is suitable for pockets of various heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view of the utility model.

[0019] Figure 2 It is a side view of the utility model.

[0020] Figure 3 This is a three-dimensional diagram of the utility model without the horizontal guide rail mounting frame.

[0021] Figure 4 It is a three-dimensional diagram of the utility model.

[0022] Figure 5 It is a three-dimensional diagram of the utility model after removing the vertical shell.

[0023] Figure 6 It is a three-dimensional diagram of the utility model after removing the vertical shell. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0025] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. The described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0026] Figure 1-6 The invention comprises a slider 1, a synchronous toothed belt 2, a reinforcing rib 3, a vertical shell 4, a first cylinder 5, a synchronous pulley 6, a synchronous wheel cover 7, a bag support bottom plate 8, a bag support cover 9, a first suction cup 10, a second suction cup 11, a second cylinder 12, a bag support arm 13, a horizontal guide rail 14, a horizontal guide rail mounting frame 15, a vertical guide rail mounting frame 16, a third cylinder 17, a vertical guide rail 18, a first slider cover 19, a second slider cover 20, etc.

[0027] like Figure 1 As shown, the utility model is a bag-supporting mechanism, characterized in that it includes a lifting assembly;

[0028] The driving part of the lifting component is installed with the bag-supporting component, and the lifting component drives the bag-supporting component to perform lifting motion.

[0029] The bag supporting assembly includes two bag supporting arms 13 that can move closer to or farther away from each other, and a plurality of first suction cups 10 are fixedly mounted on the bag supporting working end of each bag supporting arm 13. At the same time, a plurality of swingable second suction cups 11 are also arranged on the bag supporting working end of the bag supporting arm 13.

[0030] The lifting assembly comprises a vertical guide rail mounting frame 16 , a vertical guide rail 18 is mounted on one side surface of the vertical guide rail mounting frame 16 , and a third cylinder 17 is mounted on the other side surface.

[0031] The bag support assembly is connected to the vertical guide rail 18 through a first slider in a sliding fit, and the piston rod of the third cylinder 17 is hinged to a connecting plate, and the connecting plate passes through a vertical guide groove on the vertical guide rail mounting frame 16 and is fixedly connected to the first slider.

[0032] The bag-supporting assembly comprises a horizontal guide rail mounting frame 15 , a horizontal guide rail 14 is mounted inside the horizontal guide rail mounting frame 15 , and two bag-supporting arms 13 are respectively connected to the horizontal guide rail 14 in a sliding manner via a second sliding block.

[0033] A synchronous pulley 6 is rotatably arranged on the inner side of the horizontal guide rail mounting frame 15 corresponding to the two ends of the horizontal guide rail 14, and the synchronous toothed belt 2 is tensioned on the synchronous pulley 6. The first slider cover plate 19 and the second slider cover plate 20 are fixedly connected to the two second sliders, respectively. The first slider cover plate 19 and the second slider cover plate 20 are respectively fixedly connected to a bag support arm 13, and the two sliders are respectively fixedly connected to the synchronous toothed belt 2. The first cylinder 5 is installed on the outer side of the horizontal guide rail mounting frame 15, and the second slider cover plate 20 extends out of the guide groove on the side of the horizontal guide rail mounting frame 15 and is fixedly connected to the piston rod end of the first cylinder 5.

[0034] A reinforcing rib 3 is installed at the bottom of the horizontal guide rail mounting frame 15, and the reinforcing rib 3 is fixedly connected to the first sliding block; a synchronous wheel cover plate 7 is respectively installed at both ends of the horizontal guide rail mounting frame 15 corresponding to the synchronous belt wheel 6.

[0035] The bag supporting working ends of the bag supporting arms 13 are fixedly mounted on the bag supporting bottom plate 8, the second cylinder 12 is hinged in the mounting cavity of the bag supporting bottom plate 8, the piston rod end of the second cylinder 12 is hinged to the hinge seat of the bag supporting cover plate 9, and the connection seat of the bag supporting cover plate 9 is rotatably connected to the bag supporting bottom plate 8. Furthermore, the upper end of the bag supporting cover plate 9 is bent toward the outside, which can ensure that the bag opening is opened accurately and reliably.

[0036] The working end of the bag support bottom plate 8 is symmetrically provided with first suction cups 10 corresponding to the two sides of the installation cavity, and a row of second suction cups 11 are horizontally provided on the bag support cover plate 9. When working, the first suction cup 10 sucks the lower part of the bag opening, and the second suction cup 11 sucks the upper part of the bag opening. At the same time, the second suction cup 11 can realize a certain range of swinging operation under the action of the second cylinder 12 and the bag support cover plate 9, thereby ensuring the stable and reliable opening operation of the bag opening.

[0037] A vertical shell 4 is arranged on the vertical guide rail mounting frame 16, and the vertical shell 4 covers the third cylinder 17 in its inner cavity.

[0038] like Figure 1-6As shown, when the utility model product is working, the third cylinder 17 drives the bag support assembly to move up and down to adjust to the bag of corresponding specifications. Specifically, the third cylinder 17 drives the reinforcing rib 3 to move up and down along the vertical guide rail 18. When the bag support assembly is adjusted to a suitable height, the first cylinder 5 drives the corresponding bag support arm 13 to move via the second slider cover 20. Since the two bag support arms 13 are connected to the synchronous toothed belt 2, the two bag support arms 13 are opened and closed synchronously. It can be understood that the two bag support arms 13 are respectively connected to the upper layer and the lower layer of the synchronous toothed belt 2. Further, the first suction cup 10 is fixedly installed on the bag support bottom plate 8, and the bag support cover plate 9 is driven by the second cylinder 12 to swing to adjust the angle of the second suction cup 11 after sucking the bag, so as to realize the outward operation of the bag mouth.

[0039] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A bag-supporting mechanism, characterized in that: include: Lifting components; A bag-supporting assembly, wherein the bag-supporting assembly is mounted on a driving portion of the lifting assembly and is driven by the lifting assembly to perform lifting motion; The bag-supporting assembly comprises two bag-supporting arms (13) that can move closer to or farther away from each other, a plurality of first suction cups (10) being fixedly mounted on the bag-supporting working end of each bag-supporting arm (13), and a plurality of second suction cups (11) that can swing are also arranged on the bag-supporting working end of the bag-supporting arm (13).

2. The bag-supporting mechanism according to claim 1, characterized in that: The lifting assembly comprises a vertical guide rail mounting frame (16), a vertical guide rail (18) being mounted on one side surface of the vertical guide rail mounting frame (16), and a third cylinder (17) being mounted on the other side surface; The bag support assembly is connected to the vertical guide rail (18) through a first slider in a sliding manner, and the piston rod of the third cylinder (17) is hingedly connected to a connecting plate, and the connecting plate passes through a vertical guide groove on a vertical guide rail mounting frame (16) and is fixedly connected to the first slider.

3. The bag-supporting mechanism according to claim 1, characterized in that: The bag support assembly comprises a horizontal guide rail mounting frame (15), a horizontal guide rail (14) is mounted on the inner side of the horizontal guide rail mounting frame (15), and two bag support arms (13) are respectively connected to the horizontal guide rail (14) in a sliding manner via a second sliding block; A synchronous pulley (6) is rotatably arranged on the inner side of the horizontal guide rail mounting frame (15) corresponding to the two ends of the horizontal guide rail (14), and a synchronous toothed belt (2) is tensioned on the synchronous pulley (6). A first slider cover plate (19) and a second slider cover plate (20) are respectively fixedly connected to two second sliders. The first slider cover plate (19) and the second slider cover plate (20) are respectively fixedly connected to a bag support arm (13). The two sliders are respectively fixedly connected to the synchronous toothed belt (2). A first cylinder (5) is installed on the outer side of the horizontal guide rail mounting frame (15). The second slider cover plate (20) extends out of a guide groove on the side of the horizontal guide rail mounting frame (15) and is fixedly connected to the piston rod end of the first cylinder (5).

4. The bag-supporting mechanism according to claim 3, characterized in that: A reinforcing rib (3) is installed at the bottom of the horizontal guide rail mounting frame (15), and the reinforcing rib (3) is fixedly connected to the first sliding block; and a synchronous wheel cover plate (7) is installed at both ends of the horizontal guide rail mounting frame (15) corresponding to the synchronous belt wheel (6).

5. The bag-supporting mechanism according to claim 3, characterized in that: The bag supporting working ends of the bag supporting arms (13) are fixedly mounted on the bag supporting base plate (8); the second cylinder (12) is hingedly connected in the mounting cavity of the bag supporting base plate (8); the piston rod end of the second cylinder (12) is hingedly connected to the hinge seat of the bag supporting cover plate (9); and the connecting seat of the bag supporting cover plate (9) is rotatably connected to the bag supporting base plate (8); The working end of the bag support bottom plate (8) is symmetrically provided with first suction cups (10) corresponding to the two sides of the installation cavity, and a row of second suction cups (11) is horizontally provided on the bag support cover plate (9).

6. The bag-supporting mechanism according to claim 5, characterized in that: The upper end of the bag support cover plate (9) is bent toward the outside.

7. The bag-supporting mechanism according to claim 2, characterized in that: A vertical shell (4) is arranged on the vertical guide rail mounting frame (16), and the vertical shell (4) covers the third cylinder (17) in its inner cavity.

Images