Bag-clamping splayed clip structure

Abstract

The utility model belongs to the technical field of packaging mechanical equipment, and relates to a bag clamping splayed clamp structure which comprises two clamping jaw base assemblies which are arranged in a matched mode, the upper surfaces of the two clamping jaw base assemblies are fixedly connected through an edge trimming machine fixing frame, one end of each clamping jaw base assembly is connected with a clamping jaw assembly in a rotating fit mode, and the other end of each clamping jaw base assembly is connected with an edge trimming machine. The two groups of clamping jaw assemblies are matched with each other; a conveying belt assembly is rotationally arranged on each clamping jaw base assembly and the clamping jaw assembly rotationally connected with the clamping jaw base assembly, each conveying belt assembly comprises a conveying belt, a plurality of first tensioning wheels, a plurality of second tensioning wheels and a tensioning limiting wheel, the first tensioning wheels are rotationally arranged on the clamping jaw base assemblies, and the second tensioning wheels are rotationally arranged on the clamping jaw base assemblies. The second tensioning wheel is rotationally arranged on the clamping jaw assembly, and the conveying belt is tensioned on the first tensioning wheel and the second tensioning wheel. According to the splayed clamp structure, reliable clamping and guiding operation on a pocket can be achieved, and it is ensured that air in the pocket can be exhausted in the guiding and conveying process of the pocket opening of the full pocket.

Description

Technical Field

[0001] This utility model belongs to the technical field of packaging machinery and equipment, and relates to a bag clamping figure-eight clamp structure. Background Technology

[0002] In the field of material weighing and packaging, the material is first quantitatively weighed using weighing equipment, and then the weighed material is poured into corresponding bags. Once the bags are full, they are conveyed to the sewing machine for sewing. During the conveying process, the bag openings need to be pressed and guided, and air needs to be expelled from the bags. This requires the development of a structure to achieve these objectives. Summary of the Invention

[0003] To address the aforementioned problems, this utility model provides a figure-eight clamp structure for bag clamping. This figure-eight clamp structure can reliably clamp and guide the bag, ensuring that the bag opening can simultaneously expel air from the bag during the guiding and conveying process after the bag is full.

[0004] According to the technical solution of this utility model: a bag clamping figure-eight clamp structure, characterized in that: it includes two clamping claw base assemblies that cooperate with each other, the upper surfaces of the two clamping claw base assemblies are fixedly connected by a sizing machine fixing frame, one end of each clamping claw base assembly is rotatably connected to a clamping claw assembly, and the two sets of clamping claw assemblies cooperate with each other.

[0005] A set of conveyor belt assemblies is rotatably mounted on each set of gripper base assemblies and gripper assemblies rotatably connected thereto. Each conveyor belt assembly includes a conveyor belt, a plurality of first tensioning pulleys, a plurality of second tensioning pulleys, and a tensioning limit pulley. The first tensioning pulleys are rotatably mounted on the gripper base assembly, and the second tensioning pulleys are rotatably mounted on the gripper assembly. The conveyor belt is tensioned on the first tensioning pulleys and the second tensioning pulleys.

[0006] The opening and closing of the two sets of gripper assemblies is driven by a gripper opening and closing drive assembly. The gripper opening and closing drive assembly includes a cylinder seat installed on the side of the gripper base assembly. The tail of the cylinder is hinged to the cylinder seat. The piston rod of the cylinder is hinged to the ear plate on the side of the gripper assembly. The tensioning limit wheel is rotatably set on the ear plate on the side of the gripper assembly.

[0007] A power assembly is installed at the other end of each of the two gripper base assemblies, which drives the two sets of conveyor belt assemblies to rotate.

[0008] As a further improvement of this utility model, the gripper assembly includes a gripper plate, an upper guide plate is fixedly disposed on the upper surface of the gripper plate, and a lower guide plate is fixedly disposed on the lower surface. The upper end of the upper guide plate and the lower end of the lower guide plate are respectively inclined outward.

[0009] Several first tensioning rollers are arranged sequentially along the length direction of the gripper plate, and the outer ends of the upper guide plate and the lower guide plate in the length direction are respectively constructed as outwardly flared guide portions.

[0010] As a further improvement of this utility model, the gripper base assembly includes a gripper base, and a plurality of second tensioning wheels are arranged sequentially along the length direction of the gripper base; an end guide plate is fixedly provided on the upper part of the gripper base, and the feed end of the end guide plate is constructed as a bent guide part; a bag pressing rod is provided at the bottom of the gripper base, and a support rod is fixedly connected to the side of each end of the bag pressing rod, wherein one end of the support rod is connected to the connecting hole on the side of the gripper base, and the other end of the support rod is connected to the support rod seat on the side of the gripper base, and the waist-shaped hole of the support rod seat is adjustablely connected to the side of the gripper base.

[0011] As a further improvement of this utility model, the two side support legs of the edge-trimming fixing frame are respectively fixedly connected to the gripper base of the corresponding gripper base assembly, and the side plate of the edge-trimming fixing frame is provided with a connection hole for fixed connection with the edge-trimming machine.

[0012] As a further improvement of this utility model, the power assembly includes a housing, on which a geared motor is mounted. The output shaft of the geared motor extends into the housing, and a driven shaft is rotatably disposed inside the housing. A drive gear is mounted on the output shaft of the geared motor, and the drive gear meshes with the driven gear mounted on the driven shaft. Pulleys are respectively mounted on the output shaft of the geared motor and the driven shaft to tension the corresponding conveyor belts.

[0013] The technical advantages of this utility model are as follows: The product structure of this utility model is reasonable and ingenious. During the working process, it can reliably guide and transport the full bag on the conveyor line, and ensure that the bag opening is always clamped on the figure-eight clamp during the transport process. The bag-pressing rod on the bottom of the figure-eight clamp can squeeze the bag and expel the excess air inside the bag. Attached Figure Description

[0014] Figure 1 This is the front view of the present invention.

[0015] Figure 2 This is a top view of the present invention.

[0016] Figure 3 This is the left view of the present invention.

[0017] Figure 4 for Figure 1 A sectional view along line AA.

[0018] Figure 5 This is a perspective view of the present invention. Detailed Implementation

[0019] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0020] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0021] Figure 1-5 The components include a gripper assembly 10, an upper guide plate 11, a lower guide plate 12, a gripper plate 13, a gripper base assembly 20, a gripper base 21, an end guide plate 22, a bag-pressing rod 23, a support rod seat 24, an edge-fixing frame 30, a power assembly 40, a geared motor 41, a housing 42, a driven shaft 43, a conveyor belt assembly 50, a conveyor belt 51, a first tensioning wheel 52, a second tensioning wheel 53, a tensioning limit wheel 54, a gripper opening and closing drive assembly 60, a cylinder 61, and a cylinder seat 62.

[0022] like Figure 1-5 As shown, this utility model is a bag clamping figure-eight clamp structure, including two clamping claw base assemblies 20 that cooperate with each other. The upper surfaces of the two clamping claw base assemblies 20 are fixedly connected by an edge trimming machine fixing frame 30. One end of each clamping claw base assembly 20 is rotatably connected to a clamping claw assembly 10, and the two sets of clamping claw assemblies 10 cooperate with each other.

[0023] Each set of gripper base assemblies 20 and gripper assemblies 10 rotatably connected thereto is rotatably provided with a set of conveyor belt assemblies 50. The conveyor belt assembly 50 includes a conveyor belt 51, a plurality of first tensioning pulleys 52, a plurality of second tensioning pulleys 53 and a tensioning limiting pulley 54. The first tensioning pulleys 52 are rotatably disposed on the gripper base assembly 20, and the second tensioning pulleys 53 are rotatably disposed on the gripper assembly 10. The conveyor belt 51 is tensioned on the first tensioning pulleys 52 and the second tensioning pulleys 53.

[0024] The opening and closing of the two sets of gripper assemblies 10 are driven by the gripper opening and closing drive assembly 60. The gripper opening and closing drive assembly 60 includes a cylinder seat 62 installed on the side of the gripper base assembly 20. The tail of the cylinder 61 is hinged to the cylinder seat 62. The piston rod of the cylinder 61 is hinged to the ear plate on the side of the gripper assembly 10. The tensioning limit wheel 54 is rotatably mounted on the ear plate on the side of the gripper assembly 10.

[0025] A power assembly 40 is installed at the other end of the two gripper base assemblies 20, which drives the two sets of conveyor belt assemblies 50 to rotate.

[0026] The gripper assembly 10 includes a gripper plate 13. An upper guide plate 11 is fixedly disposed on the upper surface of the gripper plate 13, and a lower guide plate 12 is fixedly disposed on the lower surface. The upper end of the upper guide plate 11 and the lower end of the lower guide plate 12 are respectively inclined outward.

[0027] Several first tensioning rollers 52 are arranged sequentially along the length direction of the gripper plate 13, and the outer ends of the upper guide plate 11 and the lower guide plate 12 in the length direction are respectively constructed as outwardly flared guide portions.

[0028] The gripper base assembly 20 includes a gripper base 21, and a plurality of second tensioning rollers 53 are arranged sequentially along the length of the gripper base 21. An end guide plate 22 is fixedly installed on the upper part of the gripper base 21, and the feed end of the end guide plate 22 is constructed as a bent guide part. A bag pressing rod 23 is installed at the bottom of the gripper base 21, and a support rod is fixedly connected to the side of each end of the bag pressing rod 23. One end of the support rod is connected to the connection hole on the side of the gripper base 21, and the other end of the support rod is connected to the support rod seat 24 on the side of the gripper base 21. The waist-shaped hole of the support rod seat 24 is adjustablely connected to the side of the gripper base 21.

[0029] The two side support legs of the edge-trimming fixing frame 30 are respectively fixedly connected to the gripper base 21 of the corresponding gripper base assembly 20. The side plate of the edge-trimming fixing frame 30 is provided with connection holes for fixed connection with the edge-trimming machine.

[0030] The power assembly 40 includes a housing 42, on which a geared motor 41 is mounted. The output shaft of the geared motor 41 extends into the housing 42. A driven shaft 43 is also rotatably mounted inside the housing 42. A drive gear is mounted on the output shaft of the geared motor 41. The drive gear meshes with the driven gear mounted on the driven shaft 43. Pulleys are respectively mounted on the output shaft of the geared motor 41 and the driven shaft 43 to tension the corresponding conveyor belts 51.

[0031] like Figure 1-5As shown, in operation, this utility model is mounted on the edge-trimming machine via the edge-trimming fixing frame 30. A full bag is conveyed to the location of this utility model by the conveyor belt on the conveyor line. The full bag enters the position of the open gripper assembly 10, and then the two sets of gripper assemblies 10 close to clamp the bag opening and convey it forward. During the conveying process, the upper guide plate 11 and the lower guide plate 12 guide the bag. When the bag reaches the end guide plate 22, the end guide plate 22 guides the bag to prevent the edge from curling. Simultaneously, the bag-pressing rod 23 presses down on the upper part of the bag. Because the bag-pressing rod 23 is positioned such that the end near the gripper assembly 10 is horizontally higher than the end of the gripper base 21, the bag-pressing rod 23 exerts a squeezing effect on the upper part of the bag during its movement, expelling air from the bag. During the conveying process, the power assembly 40 drives the conveyor belt assembly 50 to guide the bag opening. During operation, the gripper opening and closing drive assembly 60 can drive the gripper assembly 10 to perform opening and closing operations, thereby clamping and conveying the bag opening.

[0032] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A pocket clip / figure-eight clip structure, characterized in that: It includes two gripper base assemblies (20) that cooperate with each other. The upper surfaces of the two gripper base assemblies (20) are fixedly connected by a straightening machine fixing frame (30). One end of each gripper base assembly (20) is rotatably connected to a gripper assembly (10). The two sets of gripper assemblies (10) cooperate with each other. Each set of gripper base assemblies (20) and gripper assemblies (10) rotatably connected thereto are provided with a set of conveyor belt assemblies (50). The conveyor belt assembly (50) includes a conveyor belt (51), a plurality of first tensioning pulleys (52), a plurality of second tensioning pulleys (53) and a tensioning limit pulley (54). The first tensioning pulleys (52) are rotatably mounted on the gripper base assembly (20), and the second tensioning pulleys (53) are rotatably mounted on the gripper assembly (10). The conveyor belt (51) is tensioned on the first tensioning pulleys (52) and the second tensioning pulleys (53). The opening and closing of the two sets of gripper assemblies (10) are driven by the gripper opening and closing drive assembly (60). The gripper opening and closing drive assembly (60) includes a cylinder seat (62) installed on the side of the gripper base assembly (20). The tail of the cylinder (61) is hinged to the cylinder seat (62). The piston rod of the cylinder (61) is hinged to the ear plate on the side of the gripper assembly (10). The tensioning limit wheel (54) is rotatably set on the ear plate on the side of the gripper assembly (10). A power assembly (40) is mounted on the other end of the two gripper base assemblies (20), which drives the two sets of conveyor belt assemblies (50) to rotate.

2. The pocket clip structure as described in claim 1, characterized in that: The gripper assembly (10) includes a gripper plate (13), an upper guide plate (11) is fixedly disposed on the upper surface of the gripper plate (13), and a lower guide plate (12) is fixedly disposed on the lower surface. The upper end of the upper guide plate (11) and the lower end of the lower guide plate (12) are respectively inclined outward. Several first tensioning rollers (52) are arranged sequentially along the length direction of the gripper plate (13), and the outer ends of the upper guide plate (11) and the lower guide plate (12) in the length direction are respectively constructed as outwardly flared guide portions.

3. The pocket clip structure as described in claim 1, characterized in that: The gripper base assembly (20) includes a gripper base (21), and several second tensioning rollers (53) are arranged sequentially along the length of the gripper base (21). An end guide plate (22) is fixedly installed on the upper part of the gripper base (21), and the feed end of the end guide plate (22) is constructed as a bent guide part. A bag pressing rod (23) is installed at the bottom of the gripper base (21), and a support rod is fixedly connected to the side of both ends of the bag pressing rod (23). One end of the support rod is connected to the connection hole on the side of the gripper base (21), and the other end of the support rod is connected to the support rod seat (24) on the side of the gripper base (21). The waist-shaped hole of the support rod seat (24) is adjustablely connected to the side of the gripper base (21).

4. The pocket clip structure as described in claim 1, characterized in that: The two side support legs of the edge trimming machine fixing frame (30) are respectively fixedly connected to the gripper base (21) of the corresponding gripper base assembly (20). The side plate of the edge trimming machine fixing frame (30) is provided with connection holes for fixed connection with the edge trimming machine.

5. The pocket clip structure as described in claim 1, characterized in that: The power assembly (40) includes a housing (42), on which a geared motor (41) is mounted. The output shaft of the geared motor (41) extends into the housing (42). A driven shaft (43) is also rotatably mounted inside the housing (42). A drive gear is mounted on the output shaft of the geared motor (41), and the drive gear meshes with the driven gear mounted on the driven shaft (43). Pulleys are mounted on the output shaft of the geared motor (41) and the driven shaft (43) respectively to tension the corresponding conveyor belts (51).

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