Clamping and shearing mechanism for glass fiber yarn

Abstract

This invention provides a clamping and shearing mechanism for glass fiber yarn, which solves the problem that existing yarn shearing structures cannot effectively cut yarn. The clamping and shearing mechanism for glass fiber yarn includes a shearing cylinder, a shear seat fixed to the piston rod of the shearing cylinder, and pneumatic shears fixed to the shear seat. The shearing cylinder is mounted on a support plate, which has a first clamping structure and a second clamping structure. A gap is provided between the first and second clamping structures for the pneumatic shears to pass through. Under the action of the shearing cylinder, the shearing part of the pneumatic shears can extend through the gap, and the shearing direction of the pneumatic shears is perpendicular to the extension direction of the yarn. Due to the presence of the first and second clamping structures, the yarn can be tightened in conjunction with the pneumatic shears, effectively cutting the yarn.

Description

Technical Field

[0001] This utility model belongs to the field of glass fiber processing technology and relates to a clamping and shearing mechanism for glass fiber yarn. Background Technology

[0002] Chinese patent discloses a paper tube and yarn extraction device [application publication number CN115806224A], which includes a frame, on which are installed a yarn roll positioning mechanism, a paper tube extraction mechanism, a yarn extraction and cutting mechanism, and a paper tube packing mechanism. The yarn roll positioning mechanism is used to clamp and position the yarn roll, the paper tube extraction mechanism is used to extract the paper tube from the yarn roll, the yarn extraction and cutting mechanism is used to gather, cut, and peel the yarn, and the paper tube packing mechanism is used to place the paper tube in the packing position on the paper tube shelf.

[0003] The yarn cutting structure includes a cutting cylinder, a scissor seat on the piston rod of the cutting cylinder, and pneumatic scissors fixed on the scissor seat. Before cutting, the yarn needs to be tightened by the extension and retraction of the piston rod of the cutting cylinder and the pneumatic scissors. However, one end of the yarn is waste yarn and the other end is a yarn ball. During the tightening process, the yarn will be continuously pulled out from the waste yarn / yarn ball, resulting in the yarn not being fully tightened and the pneumatic scissors being unable to effectively cut the yarn. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a clamping and shearing mechanism for glass fiber yarn that can effectively cut the yarn.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] A clamping and shearing mechanism for glass fiber yarn includes a shearing cylinder, a shear seat fixed to the piston rod of the shearing cylinder, and pneumatic shears fixed to the shear seat. The shearing cylinder is mounted on a support plate, and the support plate is provided with a first clamping structure and a second clamping structure. A gap is provided between the first clamping structure and the second clamping structure for the pneumatic shears to pass through. Under the action of the shearing cylinder, the shearing part of the pneumatic shears can extend out through the gap, and the shearing direction of the pneumatic shears is perpendicular to the extension direction of the yarn.

[0007] The yarn generally extends vertically, with waste yarn connected to the upper end and yarn spool connected to the lower end. The first clamping structure is located above the gap, and the second clamping structure is located below the gap. The yarn spool and waste yarn move together along the conveying direction of the yarn spool conveyor line. When they come into contact with the clamping and shearing mechanism, the first clamping structure clamps the upper part of the yarn, and the second clamping structure clamps the lower part of the yarn. Then, the shearing cylinder drives the pneumatic shears to move in the opposite direction to the yarn spool conveyor line. The shearing opening of the shearing part, in conjunction with the first and second clamping structures, tightens the yarn, and then the shearing action is performed, which can effectively cut the yarn.

[0008] In the above-mentioned clamping and shearing mechanism for glass fiber yarn, the first clamping structure is a first pneumatic finger. The first pneumatic finger has two parallel first jaws. When the first pneumatic finger moves, it can drive the two first jaws to move closer to each other or further away from each other, and a longitudinally extending first clamping opening is formed between the two first jaws.

[0009] In the above-mentioned clamping and shearing mechanism for glass fiber yarn, the second clamping structure is a second pneumatic finger. The second pneumatic finger has two parallel second jaws. When the second pneumatic finger moves, it can drive the two second jaws to move closer to each other or further away from each other. A longitudinally extending second clamping opening is formed between the two second jaws. The second clamping opening is located directly below the first clamping opening.

[0010] Pneumatic fingers, also known as pneumatic grippers or pneumatic chucks, are actuators that use compressed air as power to clamp or grasp workpieces. Before the yarn enters, the first and second gripping ports are open. Once the yarn enters, the upper part of the yarn is gripped by the two first grippers, and the lower part by the two second grippers. Then, the pneumatic scissors, which are in an open position, extend and tighten the yarn, finally performing a cutting action.

[0011] In the above-mentioned clamping and shearing mechanism for glass fiber yarn, a horizontally extending protective plate is provided above the pneumatic shears. The protective plate is provided with a V-shaped guide opening. The guide opening extends along the length direction of the piston rod of the shearing cylinder, and the first clamping port is located directly below the inner end of the guide opening.

[0012] The guide port can guide the yarn, accurately guiding it into the first and second clamping ports, facilitating precise clamping of the yarn.

[0013] In the aforementioned clamping and shearing mechanism for glass fiber yarn, the inner end of the guide port has a slotted opening that communicates with the guide port. This slotted opening extends along the length of the piston rod of the shearing cylinder and is located directly above the first clamping port. The slotted opening further guides the yarn.

[0014] In the above-mentioned clamping and shearing mechanism for glass fiber yarn, the support plate extends vertically, and a first mounting plate extending horizontally is fixedly connected to the support plate, and the shearing cylinder is mounted on the first mounting plate.

[0015] In the above-mentioned clamping and shearing mechanism for glass fiber yarn, a horizontally extending second mounting plate and a third mounting plate are also fixedly connected to the support plate. The second mounting plate is located directly above the third mounting plate, the first clamping structure is located on the lower side of the second mounting plate, and the second clamping mechanism is located on the upper side of the third mounting plate.

[0016] Compared with existing technologies, this clamping and shearing mechanism for glass fiber yarn has the following advantages: due to the presence of a first clamping structure and a second clamping structure, the yarn can be tightened and effectively cut by using pneumatic shears; the protective plate can protect the clamping and shearing mechanism, and the guide port can guide the yarn, allowing the yarn to accurately enter the first clamping port and the second clamping port, thus improving reliability. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the clamping and shearing mechanism provided by this utility model.

[0018] Figure 2 This is a schematic diagram of the clamping and shearing mechanism when a protective plate is attached.

[0019] Figure 3 yes Figure 2 Enlarged diagram of point A in the middle.

[0020] In the diagram, 1 is the shearing cylinder; 2 is the shearing seat; 3 is the pneumatic shears; 31 is the shearing part; 4 is the support plate; 41 is the first mounting plate; 42 is the second mounting plate; 43 is the third mounting plate; 5 is the first pneumatic finger; 51 is the first gripper; 52 is the first clamping opening; 6 is the second pneumatic finger; 61 is the second gripper; 62 is the second clamping opening; 7 is the protective plate; 71 is the guide opening; and 72 is the slotted opening. Detailed Implementation

[0021] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0022] like Figure 1 The glass fiber yarn clamping and shearing mechanism shown is part of a glass fiber yarn tissue box device. It includes a shearing cylinder 1, a scissor seat 2 fixed to the piston rod of the shearing cylinder 1, and a pneumatic scissor 3 fixed to the scissor seat 2. The piston rod of the shearing cylinder 1 extends along the conveying direction of the yarn conveyor line. When the piston rod moves back and forth, it can drive the pneumatic scissor 3 to move back and forth. The pneumatic scissor 3 has a shearing part 31. A first clamping structure is provided above the shearing part 31, and a second clamping structure is provided below the shearing part 31. A gap is provided between the first clamping structure and the second clamping structure for the pneumatic scissor 3 to pass through. Under the action of the shearing cylinder 1, the shearing part 31 of the pneumatic scissor 3 can extend out through the gap. The shearing direction of the pneumatic scissor 3 is perpendicular to the extension direction of the yarn.

[0023] The yarn generally extends vertically, with waste yarn connected to the upper end and yarn bundle connected to the lower end. The yarn bundle and waste yarn move together along the conveying direction of the yarn bundle conveyor line. When it comes into contact with the clamping and shearing mechanism, the first clamping structure clamps the upper part of the yarn, and the second clamping structure clamps the lower part of the yarn. Then, the shearing cylinder 1 drives the pneumatic scissors 3 to move in the opposite direction to the yarn bundle conveyor line. The shearing opening of the shearing part 31, in conjunction with the first and second clamping structures, tightens the yarn, and then the shearing action is performed, which can effectively cut the yarn.

[0024] In this embodiment, the first clamping structure is a first pneumatic finger 5, which has two parallel first grippers 51. When the first pneumatic finger 5 moves, it can move the two first grippers 51 closer to each other or further apart, forming a longitudinally extending first clamping opening 52 between the two first grippers 51. The second clamping structure is a second pneumatic finger 6, which has two parallel second grippers 61. When the second pneumatic finger 6 moves, it can move the two second grippers 61 closer to each other or further apart, forming a longitudinally extending second clamping opening 62 between the two second grippers 61. The second clamping opening 62 is located directly below the first clamping opening 52.

[0025] A pneumatic finger, also known as a pneumatic gripper or pneumatic cleaver, is an actuator that uses compressed air as power to grip or grasp workpieces. Before the yarn enters, the first gripping port 52 and the second gripping port 62 are in the open state. After the yarn enters, the upper part of the yarn is gripped by the two first grippers 51, and the lower part of the yarn is gripped by the two second grippers 61. Then, the pneumatic scissors 3, which are in the open state, extend and tighten the yarn, and finally perform the cutting action.

[0026] like Figure 2 As shown, a horizontally extending protective plate 7 is provided above the pneumatic scissors 3. The protective plate 7 has a V-shaped guide opening 71, which extends along the length of the piston rod of the shearing cylinder 1. The width of the guide opening 71 decreases as it gets closer to the pneumatic scissors 3. The guide opening 71 can guide the yarn and accurately guide it into the first clamping port 52 and the second clamping port 62, facilitating precise clamping of the yarn.

[0027] like Figure 3 As shown, the inner end of the guide opening 71 has a slot 72 that communicates with the guide opening 71. The slot 72 extends along the length of the piston rod of the shearing cylinder 1 and is located directly above the first clamping opening 52. The slot 72 further guides the yarn.

[0028] like Figure 1As shown, a support plate 4 is provided on the side of the pneumatic shears 3. The support plate 4 extends vertically, and a horizontally extending first mounting plate 41 is fixedly connected to the support plate 4. The shearing cylinder 1 is mounted on the first mounting plate 41. A horizontally extending second mounting plate 42 and a third mounting plate 43 are also fixedly connected to the support plate 4. The second mounting plate 42 is located directly above the third mounting plate 43. A first clamping structure is located on the lower side of the second mounting plate 42, and a second clamping mechanism is located on the upper side of the third mounting plate 43.

[0029] In some other embodiments, the first clamping structure and the second clamping structure can be structures similar to pneumatic fingers, such as electric grippers, magnetic chucks, etc.; the shearing cylinder can be an electric cylinder, etc.; the pneumatic scissors can be structures similar to scissors, such as saw blades, etc.

[0030] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A clamping and shearing mechanism for glass fiber yarns, characterized in that, The device includes a shearing cylinder (1), a shearing seat (2) fixed to the piston rod of the shearing cylinder (1), and a pneumatic shear (3) fixed to the shearing seat (2). The shearing cylinder (1) is mounted on a support plate (4). The support plate (4) is provided with a first clamping structure and a second clamping structure. A gap is provided between the first clamping structure and the second clamping structure for the pneumatic shear (3) to pass through. Under the action of the shearing cylinder (1), the shearing part (31) of the pneumatic shear (3) can extend out through the gap. The shearing direction of the pneumatic shear (3) is perpendicular to the extension direction of the yarn.

2. The pinch shear mechanism for glass fiber yarns according to claim 1, characterized in that The first clamping structure is a first pneumatic finger (5). The first pneumatic finger (5) has two parallel first jaws (51). When the first pneumatic finger (5) moves, it can drive the two first jaws (51) to move closer to each other or further away from each other, and a longitudinally extending first clamping opening (52) is formed between the two first jaws (51).

3. The clamping and shearing mechanism for glass fiber yarn according to claim 2, characterized in that, The second clamping structure is a second pneumatic finger (6). The second pneumatic finger (6) has two parallel second jaws (61). When the second pneumatic finger (6) moves, it can drive the two second jaws (61) to move closer to each other or further away from each other. A longitudinally extending second clamping opening (62) is formed between the two second jaws (61). The second clamping opening (62) is located directly below the first clamping opening (52).

4. The clamping and shearing mechanism for glass fiber yarn according to claim 2, characterized in that, The pneumatic shears (3) are provided with a horizontally extending protective plate (7) above them. The protective plate (7) is provided with a V-shaped guide opening (71). The guide opening (71) extends along the length of the piston rod of the shearing cylinder (1). The first clamping opening (52) is located directly below the inner end of the guide opening (71).

5. The clamping and shearing mechanism for glass fiber yarn according to claim 4, characterized in that, The inner end of the guide port (71) has a slot (72) that communicates with the guide port (71). The slot (72) extends along the length of the piston rod of the shear cylinder (1) and is located directly above the first clamping port (52).

6. The clamping and shearing mechanism for glass fiber yarn according to claim 1, characterized in that, The support plate (4) extends vertically, and a first mounting plate (41) extending horizontally is fixedly connected to the support plate (4). The shearing cylinder (1) is mounted on the first mounting plate (41).

7. The clamping and shearing mechanism for glass fiber yarn according to claim 1, characterized in that, The support plate (4) is also fixedly connected to a horizontally extending second mounting plate (42) and a third mounting plate (43). The second mounting plate (42) is located directly above the third mounting plate (43). The first clamping structure is located on the lower side of the second mounting plate (42), and the second clamping mechanism is located on the upper side of the third mounting plate (43).

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