A rope head positioning and rope body retreat-stopping clamping device

Abstract

A rope head positioning and rope body retreat stopping and clamping device is provided with a double-acting opening and closing cylinder, a rope head cross holding mechanism and a bevel tooth presser mechanism; the rope head cross holding mechanism and the bevel tooth presser mechanism are both composed of left and right two parts, in each part: the cross holding mechanism one end is fixedly assembled with one opening and closing jaw of the double-acting opening and closing cylinder, the middle part is provided with a through hole matched with the bevel tooth presser mechanism, the other end is provided with a group of interval arranged insertion plates, the rope head clamping grooves are arranged on the outer edges of the insertion plates; the bevel tooth presser mechanism outer side is penetrated into the cross holding mechanism through hole, a row of bevel teeth are arranged on the bevel tooth presser mechanism inner side; under the closed state of the double-acting opening and closing cylinder, the insertion plates of the left and right two parts of the cross holding mechanism are cross matched with each other, the rope head positioning and clamping hole of the rhombic structure is formed, the bevel teeth of the left and right two parts of the bevel tooth presser mechanism are mutually engaged, the rope body is clamped and fixed. The utility model satisfies the consistency requirement of the production rhythm of the hand-held paper bag or the paper box, and improves the production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of packaging machinery and equipment technology, specifically a rope end positioning and rope anti-reverse clamping device. Background Technology

[0002] Paper bags and cartons, as common packaging materials, are favored by customers for their advantages such as supporting brand logo printing, convenient carrying, and environmental recyclability. They are widely used in food, beverage, daily necessities, pharmaceuticals, and electronic products. Drawstring threading is one of the post-processing steps in the production of paper bags and cartons. Traditionally, this method is done manually, which is inefficient and makes it difficult to maintain consistency with the production line rhythm.

[0003] To address the aforementioned issues, automated rope threading equipment has emerged. This equipment coordinates various steps, including paper bag or carton transport, rope supply, rope end wrapping, rope end cutting, and rope threading, to complete the rope threading process on the paper bag or carton. The rope end wrapping step involves covering a designated section of the rope with a plastic sleeve. At the rope end cutting point, a cutter cuts the plastic sleeve to create two sections of the rope end. Therefore, accurate positioning of the rope end is crucial at the cutting point, along with securing the rope to prevent it from slipping off or retracting. Utility Model Content

[0004] This utility model provides a rope end positioning and rope body anti-reverse clamping device, which aims to achieve accurate rope end positioning and rope body anti-reverse clamping function through the cooperation of a double-acting opening and closing cylinder, a rope end cross clamping mechanism and a helical tooth presser foot mechanism, so as to meet the requirements of consistency with the production rhythm of paper bags or cartons and improve production efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A rope end positioning and rope body anti-reverse clamping device includes a double-acting opening and closing cylinder, a rope end cross-clamping mechanism, and a helical tooth presser foot mechanism. The double-acting opening and closing cylinder is installed on a fixed component of an automated rope threading device. The rope end cross-clamping mechanism and the helical tooth presser foot mechanism are each composed of left and right parts, in each part:

[0007] One end of the cross-clamping mechanism is fixedly assembled with an opening and closing claw of a double-acting opening and closing cylinder. The middle part is provided with a through hole that cooperates with the helical tooth presser foot mechanism. The other end is provided with a set of spaced insert plates. A rope end slot is provided on the outer edge of the insert plate. The rope end slot is a V-shaped groove structure. When the double-acting opening and closing cylinder is closed, the insert plates of the left and right parts of the cross-clamping mechanism cross-fit each other to form a diamond-shaped rope end positioning and clamping hole.

[0008] The outer side of the helical tooth presser foot mechanism is inserted into the through hole of the cross clamping mechanism. A row of helical teeth is set on the inner side of the helical tooth presser foot mechanism. The helical teeth of the left and right parts of the helical tooth presser foot mechanism are arranged alternately. When the double-acting opening and closing cylinder is closed, the helical teeth of the left and right parts of the helical tooth presser foot mechanism mesh with each other to clamp and fix the rope.

[0009] The above-mentioned rope end positioning and rope anti-reverse clamping device has a rectangular through hole in the middle part of the cross clamping mechanism, and a rectangular socket on the outside of the helical tooth presser foot mechanism. The rectangular socket is slidably inserted into the rectangular through hole of the cross clamping mechanism.

[0010] The aforementioned rope end positioning and rope anti-reverse clamping device also includes a helical tooth presser foot mechanism connecting plate and a connecting stud. The helical tooth presser foot mechanism connecting plate and the connecting stud consist of two parts arranged symmetrically on the left and right. The helical tooth presser foot mechanism connecting plate is fixed on the outer surface of the rope end cross clamping mechanism. A central positioning hole is provided in the middle part of the helical tooth presser foot mechanism connecting plate. One end of the connecting stud passes through the central positioning hole and is assembled with the rectangular socket of the helical tooth presser foot mechanism, and a locking nut is fitted at its other end.

[0011] The aforementioned rope end positioning and rope anti-reverse clamping device also includes a helical tooth presser foot mechanism buffer spring assembly, and two sets of guide holes are provided on the helical tooth presser foot mechanism connecting plate; the guide holes are symmetrically arranged on both sides of the central positioning hole; the helical tooth presser foot mechanism buffer spring assembly includes two symmetrically arranged parts, each part is provided with a compression spring and a compression spring limiting post, one end of the compression spring limiting post is fixedly connected to the rectangular socket of the helical tooth presser foot mechanism, and the other end passes through the rectangular through hole of the cross clamping mechanism and the guide hole on the helical tooth presser foot mechanism connecting plate in sequence, the compression spring is fitted outside the compression spring limiting post, and both ends abut against the helical tooth presser foot mechanism connecting plate and the rectangular socket of the helical tooth presser foot mechanism respectively.

[0012] The aforementioned rope head positioning and rope anti-reverse clamping device is also equipped with a magnetic induction sensor. The magnetic induction sensor is installed on the side wall of the double-acting opening and closing cylinder, and its signal output terminal is connected to the control system of the automated rope threading equipment.

[0013] This invention provides a rope end positioning and rope body anti-reverse clamping device. It uses a double-acting opening and closing cylinder to drive the left and right parts of a cross-clamping mechanism to move relative to each other. This causes the insert plates of the left and right parts of the cross-clamping mechanism to intersect, forming a diamond-shaped rope end positioning and clamping hole, thus centering and clamping the rope end. Simultaneously, the oblique teeth of the left and right parts of the oblique tooth presser foot mechanism mesh with each other, clamping and fixing the rope body. This prevents the rope end from falling off and the rope body from retracting during rope cutting. Furthermore, this invention allows for adjustment of the left and right positions of the oblique tooth presser foot mechanism via a connecting plate and connecting stud to accommodate ropes of different diameters. Finally, this invention utilizes a buffer spring assembly to ensure the smooth operation of the oblique tooth presser foot mechanism, preventing mutual impact and collision between the left and right parts during meshing, extending its service life, and avoiding damage to the rope body. In summary, this utility model realizes the integrated action process of rope head positioning and rope body anti-reverse clamping, achieving the goal of meeting the requirements of consistency with the production rhythm of paper bags or cartons and improving production efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the rope head positioning and rope anti-reverse clamping device described in this utility model;

[0015] Figure 2 yes Figure 1 Exploded structure diagram;

[0016] Figure 3 yes Figure 1 Top view (after rotation);

[0017] Figure 4 yes Figure 3 Local plot in the K direction;

[0018] Figure 5 yes Figure 3 Schematic diagram of the cross-sectional structure of the middle AA section;

[0019] Figure 6 yes Figure 3 Schematic diagram of the cross-sectional structure of the middle BB section;

[0020] Figure 7 This is a schematic diagram of the working state of the rope head positioning and rope anti-reverse clamping device described in this utility model.

[0021] Explanation of each label in the diagram:

[0022] 1 is a double-acting opening and closing cylinder, and 1-1 is an opening and closing gripper;

[0023] 2 is the rope end cross clamping mechanism, 2-1 is the through hole, 2-2 is the insert plate, 2-3 is the rope end slot, and 2-4 is the rope end positioning and clamping hole;

[0024] 3 is the helical tooth presser foot mechanism, 3-1 is the helical tooth, and 3-2 is the rectangular socket;

[0025] 4 is the connecting plate for the helical tooth presser foot mechanism;

[0026] 5 is the connecting stud;

[0027] 6 is the lock nut;

[0028] 7 is the buffer spring assembly of the helical tooth presser foot mechanism, 7-1 is the compression spring limit post, and 7-2 is the compression spring;

[0029] 8 is a magnetic induction sensor;

[0030] 9 represents the rope body;

[0031] 10 represents the end of the rope. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0033] See Figure 1. Figure 2 This utility model provides a rope end positioning and rope anti-reverse clamping device. Its preferred embodiment is applicable to the rope end cutting process of automated rope threading equipment. In its preferred embodiment, it includes a double-acting opening and closing cylinder 1, a rope end cross-clamping mechanism 2, a helical tooth presser foot mechanism 3, and a magnetic induction sensor 8. The double-acting opening and closing cylinder 1 is installed on a fixed component of the automated rope threading equipment in a vertical arrangement. Two opening and closing grippers 1-1 are symmetrically arranged on the top of the double-acting opening and closing cylinder 1. The magnetic induction sensor 8 is installed on the side wall of the double-acting opening and closing cylinder 1. The rope end cross-clamping mechanism 2 and the helical tooth presser foot mechanism 3 are both composed of left and right parts. In each part:

[0034] One end of the cross clamping mechanism 2 is fixedly assembled with an opening and closing claw 1-1 of the double-acting opening and closing cylinder 1. The middle part is provided with a through hole 2-1 that cooperates with the helical tooth presser foot mechanism 3. The other end is provided with a set of spaced insert plates 2-2. A rope end groove 2-3 is provided on the outer edge of the insert plate 2-2. The rope end groove 2-3 is a V-shaped groove structure.

[0035] The outer side of the helical tooth presser foot mechanism 3 is inserted into the through hole 2-1 of the cross clamping mechanism 2. A row of helical teeth 3-1 is provided on the inner side of the helical tooth presser foot mechanism 3. The helical teeth 3-1 of the left and right parts of the helical tooth presser foot mechanism 3 are arranged alternately.

[0036] In a preferred embodiment of this utility model, the through hole 2-1 in the middle part of the cross-clamping mechanism 2 is a rectangular through hole; the outer side of the helical tooth presser foot mechanism 3 is a rectangular socket 3-2, which slides into the rectangular through hole of the cross-clamping mechanism 2.

[0037] See Figure 1, Figure 3 , Figure 4 The rope head positioning and rope body anti-reverse clamping device of this utility model, in the closed state of the double-acting opening and closing cylinder 1: the insert plates 2-2 of the left and right parts of the cross clamping mechanism 2 cross and cooperate with each other to form a diamond-shaped rope head positioning clamping hole 2-4; the oblique teeth 3-1 of the left and right parts of the oblique tooth presser foot mechanism 3 bite each other to clamp and fix the rope body 10.

[0038] See Figure 3 , Figure 5 The rope end positioning and rope anti-reverse clamping device of this utility model is further provided with a helical tooth presser foot mechanism connecting plate 4 and a connecting stud 5. The helical tooth presser foot mechanism connecting plate 4 and the connecting stud 5 include two parts arranged symmetrically on the left and right. The helical tooth presser foot mechanism connecting plate 4 is fixed on the outer side of the rope end cross clamping mechanism 2. A central positioning hole is provided in the middle part of the helical tooth presser foot mechanism connecting plate 4. One end of the connecting stud 5 passes through the central positioning hole and is assembled with the rectangular socket 3-2 of the helical tooth presser foot mechanism 3. A locking nut 6 is installed at its other end.

[0039] See Figure 3 , Figure 6 The rope end positioning and rope anti-reverse clamping device of this utility model is further provided with a helical tooth presser foot mechanism buffer spring assembly 7, and two sets of guide holes are provided on the helical tooth presser foot mechanism connecting plate 4; the guide holes are symmetrically arranged on both sides of the central positioning hole; the helical tooth presser foot mechanism buffer spring assembly 7 includes two symmetrically arranged parts, and each part is provided with a compression spring 7-2 and a compression spring limiting post 7-1. One end of the compression spring limiting post 7-1 is fixedly connected to the rectangular socket 3-2 of the helical tooth presser foot mechanism 3, and the other end passes through the rectangular through hole of the cross clamping mechanism 2 and the guide hole on the helical tooth presser foot mechanism connecting plate 4 in sequence. The compression spring 7-2 is fitted outside the compression spring limiting post 7-1, and both ends abut against the helical tooth presser foot mechanism connecting plate 4 and the rectangular socket 3-2 of the helical tooth presser foot mechanism 3 respectively.

[0040] See Figures 1 to 7The rope end positioning and rope body anti-reverse clamping device of this utility model is used for positioning and clamping the workpiece during the rope end cutting operation of an automatic rope threading equipment. Its working process is as follows: When the rope body 9 is transmitted to the rope end cutting station, the double-acting opening and closing cylinder 1 drives the left and right parts of the cross clamping mechanism 2 to move relative to each other, so that the insert plates 2-2 of the left and right parts of the cross clamping mechanism 2 cross each other. The rope end slots 2-3 at the edge of the insert plates 2-2 in the left and right parts cooperate to form a diamond-shaped rope end positioning clamping hole 2-4. The rope end 10 is positioned at the center through the diamond-shaped rope end positioning clamping hole 2-4, and the rope end 10 is clamped at the same time. At this time, the two rows of helical teeth 3-1 of the left and right parts of the helical tooth presser foot mechanism 3 bite each other and clamp and fix the rope body 9 in a barbed manner. During this process, the buffer spring assembly 7 of the helical tooth presser foot mechanism ensures the smoothness of the movement of the helical tooth presser foot mechanism 3, so as to avoid the left and right parts of the helical tooth presser foot mechanism 3 from impacting and colliding with each other during the biting process, extending its working life, and avoiding damage to the rope body 9. Therefore, this utility model effectively prevents the rope end 10 from falling off and the rope body 9 from retracting during the rope cutting process. When threading ropes onto different batches of paper bags or cartons, to accommodate ropes 9 of different diameters, the left and right positions of the helical tooth presser foot mechanism 3 can be adjusted by the cooperation of the connecting plate 4 and the connecting stud 5. After the position of the helical tooth presser foot mechanism 3 is adjusted, the connecting stud 5 is limited by the locking nut 6 to limit the relative movement limit of the two sets of helical tooth presser foot mechanisms 3.

Claims

1. A rope end positioning and rope body anti-reverse clamping device, characterized in that: The system is equipped with a double-acting opening and closing cylinder (1), a rope end cross-clamping mechanism (2), and a helical tooth presser foot mechanism (3). The double-acting opening and closing cylinder (1) is installed on a fixed component of the automated rope threading equipment. The rope end cross-clamping mechanism (2) and the helical tooth presser foot mechanism (3) are both composed of left and right parts. In each part: One end of the cross-clamping mechanism (2) is fixedly assembled with one opening and closing claw (1-1) of the double-acting opening and closing cylinder (1). The middle part is provided with a through hole (2-1) that cooperates with the helical tooth presser foot mechanism (3). The other end is provided with a set of spaced insert plates (2-2). A rope head groove (2-3) is provided on the outer edge of the insert plate (2-2). The rope head groove (2-3) is a V-shaped groove structure. When the double-acting opening and closing cylinder (1) is closed, the insert plates (2-2) of the left and right parts of the cross-clamping mechanism (2) cooperate with each other to form a diamond-shaped rope head positioning clamping hole (2-4). The helical tooth presser foot mechanism (3) is inserted into the through hole (2-1) of the cross clamping mechanism (2) on the outside. A row of helical teeth (3-1) is set on the inside of the helical tooth presser foot mechanism (3). The helical teeth (3-1) of the left and right parts of the helical tooth presser foot mechanism (3) are arranged alternately. When the double-acting opening and closing cylinder (1) is closed, the helical teeth (3-1) of the left and right parts of the helical tooth presser foot mechanism (3) bite each other to clamp and fix the rope (10).

2. The rope end positioning and rope anti-reverse clamping device according to claim 1, characterized in that: The through hole (2-1) provided in the middle part of the cross clamping mechanism (2) is a rectangular through hole, and the outer side of the helical tooth presser foot mechanism (3) is a rectangular socket (3-2). The rectangular socket (3-2) slides into the rectangular through hole of the cross clamping mechanism (2).

3. The rope end positioning and rope anti-reverse clamping device according to claim 2, characterized in that: It is also provided with a helical tooth presser foot mechanism connecting plate (4) and a connecting stud (5). The helical tooth presser foot mechanism connecting plate (4) and the connecting stud (5) include two parts arranged symmetrically on the left and right. The helical tooth presser foot mechanism connecting plate (4) is fixed on the outer side of the rope head cross clamping mechanism (2). A central positioning hole is provided in the middle part of the helical tooth presser foot mechanism connecting plate (4). One end of the connecting stud (5) passes through the central positioning hole and is assembled with the rectangular socket (3-2) of the helical tooth presser foot mechanism (3). A locking nut (6) is installed at its other end.

4. The rope end positioning and rope anti-reverse clamping device according to claim 3, characterized in that: The device is also provided with a helical tooth presser foot mechanism buffer spring assembly (7) and two sets of guide holes are provided on the helical tooth presser foot mechanism connecting plate (4); the guide holes are symmetrically arranged on both sides of the central positioning hole; the helical tooth presser foot mechanism buffer spring assembly (7) includes two symmetrically arranged parts, and a compression spring (7-2) and a compression spring limiting post (7-1) are provided in each part. One end of the compression spring limiting post (7-1) is fixedly connected to the rectangular socket (3-2) of the helical tooth presser foot mechanism (3), and the other end passes through the rectangular through hole of the cross clamping mechanism (2) and the guide hole on the helical tooth presser foot mechanism connecting plate (4) in sequence. The compression spring (7-2) is fitted outside the compression spring limiting post (7-1), and both ends abut against the helical tooth presser foot mechanism connecting plate (4) and the rectangular socket (3-2) of the helical tooth presser foot mechanism (3) respectively.

5. The rope end positioning and rope anti-reverse clamping device according to any one of claims 1 to 4, characterized in that: A magnetic induction sensor (8) is also provided. The magnetic induction sensor (8) is installed on the side wall of the double-acting opening and closing cylinder (1), and its signal output end is connected to the control system of the automated rope threading equipment.

Images