Bag receiving and grabbing assembly for flexible packaging machine

Abstract

The utility model discloses a bag receiving and grabbing assembly for a flexible packaging machine, which comprises a fixed bottom plate, a supporting track, a connecting shaft, a rack, a gear, a top pressing plate, a supporting arm, a claw opening pressing wheel, a clamping spring, a claw opening push rod, a connecting plate and a clamping claw, a first sliding block and a second sliding block are connected to the supporting rail in a sliding mode. The rack is meshed with the gear to enable the first sliding plate and the second sliding plate to form a linkage type structure, when the included angle between the first swing arm and the second swing arm is increased, the top pressing plate can extrude the claw opening pressing wheel to achieve automatic claw opening, and then the included angle between the first swing arm and the second swing arm is reduced. The clamping claws return to finish bag grabbing under the action of the clamping springs, manual participation is not needed, the automatic bag grabbing device can be matched with bag receiving and bag grabbing of the flexible rotary packaging machine, automatic machining can be achieved, the automatic bag grabbing device becomes a working procedure in the packaging process, the working efficiency is improved, the working procedure is simplified, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery, in particular to a bag receiving and grasping assembly for a flexible packaging machine. Background Art

[0002] Material packaging equipment is a type of machine that packages materials, playing the role of protecting materials and facilitating transportation; it is mainly suitable for the full-automatic quantitative packaging of materials in industries such as rice, food, sugar making, and chemicals; when the material packaging equipment is working, it mainly includes processes such as packaging bag feeding, packaging bag stretching, material filling, packaging bag conveying, and packaging bag sealing; and the quality of the packaging process is directly related to the sealing quality of the packaging bag, the accuracy of the material filling weight, and the tightness of the materials in the packaging bag; therefore, for material packaging, the quality of the packaging equipment used is particularly important. At present, most of the bag grasping devices on the market are suitable for horizontal packaging machines and are not suitable for the bag grasping of rotary packaging machines. Therefore, it is necessary to design a bag receiving and grasping assembly for a flexible packaging machine to solve the problems of bag receiving and grasping in a flexible rotary packaging machine, enabling it to be automatically processed, becoming a process in the packaging process, improving work efficiency, simplifying the process, and reducing production costs. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a bag receiving and grasping assembly for a flexible packaging machine to solve the problem that most of the bag grasping devices on the market are suitable for horizontal packaging machines and are not suitable for the bag grasping of rotary packaging machines.

[0004] To solve the above technical problems, the utility model provides the following technical solution: A bag receiving and grasping assembly for a flexible packaging machine, including a fixed bottom plate, a support track, a connecting shaft, a rack, a gear, a top pressing plate, a support arm, a connecting sleeve, a claw opening press wheel, a clamping spring, a claw opening push rod, a connecting plate, and a clamping claw. The top of the fixed bottom plate is fixedly connected with a support track, on which a first slider and a second slider are respectively slidably connected. The tops of the first slider and the second slider are respectively fixedly connected with a first sliding plate and a second sliding plate. A first swing arm is rotatably connected to the second sliding plate, one end of the first swing arm is rotatably connected to the connecting shaft, and a second swing arm is rotatably connected to the connecting shaft, and one end of the second swing arm is rotatably connected to one side of the fixed bottom plate; racks are arranged on the tops of the first sliding plate and the second sliding plate, and the racks are meshed with the gear. Top pressing plates are arranged on both the first sliding plate and the second sliding plate. Support arms are symmetrically arranged on the fixed bottom plate, and a connecting sleeve is sleeved and slidably connected in the support arms, and a claw opening press wheel is fixedly sleeved on the connecting sleeve.

[0005] As a further technical solution of the utility model, the gear is rotatably connected to the center of the top of the fixed bottom plate through a bearing.

[0006] As a further technical solution of the present utility model, one end of the connecting sleeve is provided with a clamping spring, and the clamping spring is sleeved in the support arm.

[0007] As a further technical solution of the present utility model, the connecting sleeve is fixedly connected to one end of the claw-opening push rod, and the claw-opening push rod is sleeved in the clamping spring.

[0008] As a further technical solution of the present utility model, one end of the claw-opening push rod is rotatably connected to a connecting plate, and the connecting plate is rotatably connected to the clamping claw.

[0009] As a further technical solution of the present utility model, a fixing pin is sleeved in the clamping claw, and the fixing pin is sleeved in the support arm.

[0010] As a further technical solution of the present utility model, one end of the clamping spring is fixedly connected to a positioning sleeve, and the positioning sleeve is fixedly sleeved in the support arm.

[0011] The bag-catching and bag-gripping assembly for a flexible packaging machine provided by the present utility model has the following advantages: The support track provides limit support for the first slider and the second slider at the bottoms of the first slide plate and the second slide plate. The first slide plate and the second slide plate form a linkage structure through the meshing of the rack arranged at the top and the gear. When the included angle between the first swing arm and the second swing arm on the connecting shaft increases, the second slide plate will move away from the gear along the support track under the action of the second swing arm. At the same time, through the continuous meshing of the rack and the gear, the first slide plate will move away from the gear under the action of the rack. At this time, the pressing plates on the first slide plate and the second slide plate will squeeze the claw-opening pressing wheel, and then under the action of the claw-opening push rod, the clamping claw is pushed open to realize the automatic claw-opening process. After that, the included angle between the first swing arm and the second swing arm on the connecting shaft decreases, the claw-opening pressing wheel disengages from the pressing plate, and the clamping claw returns under the action of the clamping spring and cooperates with the support arm to complete the bag-gripping process. It does not require manual participation, can adapt to the bag-catching and bag-gripping of a flexible rotary packaging machine, enables automated processing, becomes a process in the packaging process, improves work efficiency, simplifies the process, and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 It is an exploded view of the overall structure of the present utility model;

[0014] Figure 2 is Figure 1Partial enlarged view of area A;

[0015] Figure 3 3D view of the overall structure of the present utility model.

[0016] In the figure: 1, fixed base plate; 2, support rail; 3, first slider; 4, second slider; 5, first slide plate; 6, second slide plate; 7, first swing arm; 8, connecting shaft; 9, second swing arm; 10, rack; 11, gear; 12, top pressing plate; 13, support arm; 14, connecting sleeve; 15, claw opening press wheel; 16, clamping spring; 17, claw opening push rod; 18, connecting plate; 19, clamping claw; 20, fixing pin; 21, positioning sleeve. Specific embodiments

[0017] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0019] Please refer to the attached Figure 1 - attached Figure 3, an embodiment provided by the present utility model: a bag receiving and grasping assembly for a flexible packaging machine, including a fixed bottom plate 1, a support rail 2, a connecting shaft 8, a rack 10, a gear 11, a top pressing plate 12, a support arm 13, a connecting sleeve 14, a claw opening pressing wheel 15, a clamping spring 16, a claw opening push rod 17, a connecting plate 18 and a clamping claw 19. A support rail 2 is fixedly connected to the top of the fixed bottom plate 1. A first slider 3 and a second slider 4 are respectively slidably connected to the support rail 2. A first sliding plate 5 and a second sliding plate 6 are respectively fixedly connected to the tops of the first slider 3 and the second slider 4. A first swing arm 7 is rotatably connected to the second sliding plate 6. One end of the first swing arm 7 is rotatably connected to the connecting shaft 8, and a second swing arm 9 is rotatably connected to the connecting shaft 8. One end of the second swing arm 9 is rotatably connected to one side of the fixed bottom plate 1; racks 10 are arranged on the tops of the first sliding plate 5 and the second sliding plate 6, and the racks 10 are meshed with the gear 11. Top pressing plates 12 are arranged on both the first sliding plate 5 and the second sliding plate 6. Support arms 13 are symmetrically arranged on the fixed bottom plate 1. A connecting sleeve 14 is sleeved and slidably connected in the support arm 13. A claw opening pressing wheel 15 is fixedly sleeved on the connecting sleeve 14; the gear 11 is rotatably connected to the center of the top of the fixed bottom plate 1 through a bearing; a clamping spring 16 is arranged at one end of the connecting sleeve 14, and the clamping spring 16 is sleeved in the support arm 13; one end of the connecting sleeve 14 is fixedly connected to one end of the claw opening push rod 17, and the claw opening push rod 17 is sleeved in the clamping spring 16; one end of the claw opening push rod 17 is rotatably connected to a connecting plate 18, and the connecting plate 18 is rotatably connected to the clamping claw 19; a fixing pin 20 is sleeved in the clamping claw 19, and the fixing pin 20 is sleeved in the support arm 13; one end of the clamping spring 16 is fixedly connected to a positioning sleeve 21, and the positioning sleeve 21 is fixedly sleeved in the support arm 13; the positioning sleeve 21 is sleeved on one end of the clamping spring 16 for positioning the clamping spring 16, ensuring the structural stability during the claw opening and clamping process;

[0020] Specifically, during use, the support rail 2 provides limit support for the first slider 3 and the second slider 4 at the bottoms of the first slide plate 5 and the second slide plate 6. The first slide plate 5 and the second slide plate 6 are meshed with the gear 11 through the racks 10 arranged at the tops to form a linkage structure. When the included angle between the first swing arm 7 and the second swing arm 9 on the connecting shaft 8 increases, the second slide plate 6 will move away from the gear 11 along the support rail 2 under the action of the second swing arm 9. At the same time, through the continuous meshing of the rack 10 and the gear 11, the first slide plate 5 moves away from the gear 11 under the action of the rack 10. At this time, the top pressing plates 12 on the first slide plate 5 and the second slide plate 6 will squeeze the claw opening roller 15, and then under the action of the claw opening push rod 17, the clamping claws 19 are pushed open to realize the automatic claw opening process. After that, the included angle between the first swing arm 7 and the second swing arm 9 on the connecting shaft 8 decreases, the claw opening roller 15 disengages from the top pressing plate 12, and the clamping claws 19 are reset under the action of the clamping spring 16 to cooperate with the support arm 13 to complete the bag grasping process. It does not require manual participation, can adapt to the bag receiving and bag grasping of a flexible rotary packaging machine, enables it to be processed automatically, becomes a process in the packaging process, improves work efficiency, simplifies the process, and reduces production costs.

[0021] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the connection inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0022] The device embodiments described above are only illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative work.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A bag - receiving and bag - grasping assembly for a flexible packaging machine, comprising a fixed bottom plate (1), a support rail (2), a connecting shaft (8), a rack (10), a gear (11), a top pressure plate (12), a support arm (13), a connecting sleeve (14), an opening - claw pressing wheel (15), a clamping spring (16), an opening - claw push rod (17), a connecting plate (18) and a clamping claw (19), characterized in that: A support rail (2) is fixedly connected to the top of the fixed base plate (1). A first slider (3) and a second slider (4) are respectively slidably connected to the support rail (2). A first slide plate (5) and a second slide plate (6) are respectively fixedly connected to the tops of the first slider (3) and the second slider (4). A first swing arm (7) is rotatably connected to the second slide plate (6). One end of the first swing arm (7) is rotatably connected to a connecting shaft (8), and a second swing arm (9) is rotatably connected to the connecting shaft (8). One end of the second swing arm (9) is rotatably connected to one side of the fixed base plate (1); racks (10) are arranged on the tops of the first slide plate (5) and the second slide plate (6), and the racks (10) are meshed with a gear (11). Pressure plates (12) are arranged on the first slide plate (5) and the second slide plate (6). Support arms (13) are symmetrically arranged on the fixed base plate (1). A connecting sleeve (14) is sleeved and slidably connected in the support arm (13). A claw-opening press wheel (15) is fixedly sleeved on the connecting sleeve (14).

2. The bag receiving and grasping assembly for a flexible packaging machine according to claim 1, wherein: The gear (11) is rotatably connected to the center of the top of the fixed base plate (1) through a bearing.

3. The bag receiving and grasping assembly for a flexible packaging machine according to claim 1, characterized in that: One end of the connecting sleeve (14) is provided with a clamping spring (16), and the clamping spring (16) is sleeved in the support arm (13).

4. The bag receiving and grasping assembly for a flexible packaging machine according to claim 3, characterized in that: The connecting sleeve (14) is fixedly connected to one end of a claw-opening push rod (17), and the claw-opening push rod (17) is sleeved in the clamping spring (16).

5. The bag receiving and gripping assembly for a flexible packaging machine according to claim 4, wherein: One end of the claw-opening push rod (17) is rotatably connected to a connecting plate (18), and the connecting plate (18) is rotatably connected to a clamping claw (19).

6. The bag receiving and grasping assembly for a flexible packaging machine according to claim 5, characterized in that: A fixing pin (20) is sleeved in the clamping claw (19), and the fixing pin (20) is sleeved in the support arm (13).

7. The bag receiving and gripping assembly for a flexible packaging machine according to claim 4, wherein: One end of the clamping spring (16) is fixedly connected to a positioning sleeve (21), and the positioning sleeve (21) is fixedly sleeved in the support arm (13).

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