CN216765222U

CN216765222U - Thread trimming mechanism with upper pressing piece assembly

Info

Publication number: CN216765222U
Application number: CN202122940868.8U
Authority: CN
Inventors: 陈百祥; 冯建明; 李海; 王仁刚
Original assignee: Zhejiang Baixiang Technology Co ltd
Current assignee: Zhejiang Baixiang Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-06-17
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a thread cutting mechanism with an upper pressing sheet component, which relates to the technical field of glove knitting machines and comprises lower fixed scissors fixedly arranged on a mounting seat and upper loose scissors rotatably arranged on the mounting seat through a loose scissors shaft, wherein the bottom of the loose scissors shaft is provided with a rotating block for driving the loose scissors shaft to rotate, the mounting seat is provided with a transmission part which is driven by a transmission shaft to extrude the rotating block to rotate, the lower fixed scissors is fixedly provided with a lower clamping sheet, the top of the loose scissors shaft is provided with an upper pressing sheet component which rotates along with the loose scissors shaft and corresponds to the lower clamping sheet, and the upper pressing sheet component is provided with a rubber band block for folding the downward clamping sheet. 1. An upper pressure plate component is adopted, so that the glove machine can normally clamp the fine yarn; 2. the thread cutting mechanism hooks the fine yarn, clamps and cuts the thread through the matching of the transmission part, the rotating part, the adjustable shear shaft, the bush-hook driving part and the like.

Description

Thread trimming mechanism with upper pressing piece assembly

Technical Field

The utility model relates to the technical field of glove knitting machines, in particular to a thread trimming mechanism with an upper tabletting component.

Background

When a common computer glove knitting machine carries out glove finger separation, multicolor thread knitting and glove knitting, a thread cutting mechanism is required to cut threads and clamp original knitting threads so as to carry out knitting of the same yarns in the following process; when the existing thread cutting mechanism of the glove knitting machine clamps and cuts thick yarns, the action can be normally carried out, and when the glove knitting machine weaves thin yarns (spandex yarns and the like), the thin yarns sometimes cannot be normally clamped, so that the normal knitting of the glove knitting machine is seriously influenced.

Based on this, the present application is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a thread trimming mechanism with an upper pressing sheet assembly, so that the fine yarn can be clamped and trimmed normally.

In order to achieve the purpose, the utility model provides a thread trimming mechanism with an upper pressing sheet assembly, which comprises lower fixed scissors fixedly arranged on a mounting seat and upper movable scissors rotatably arranged on the mounting seat through a movable scissors shaft, wherein a rotating block for driving the movable scissors shaft to rotate is arranged at the bottom of the movable scissors shaft, a transmission part which is driven by a transmission shaft and used for extruding the rotating block to rotate is arranged on the mounting seat, a lower clamping sheet is fixedly arranged on the lower fixed scissors, an upper pressing sheet assembly which rotates along with the movable scissors shaft and corresponds to the lower clamping sheet in position is arranged at the top of the movable scissors shaft, and a rubber rib block for folding the lower clamping sheet is arranged on the upper pressing sheet assembly.

Preferably, the upper pressing piece assembly comprises an upper pressing piece I, an upper pressing piece II and the rubber band block, the lower portion of the rubber band block is arranged in the concave through groove of the upper pressing piece I, the upper portion of the rubber band block is exposed out of the upper pressing piece I, the upper pressing piece II is pressed against the top surface of the upper portion of the rubber band block, and the lower end face of the rubber band block is exposed out of the concave through groove.

Preferably, the mounting seat is provided with a hook knife which is shifted by the transmission part to be arranged on one side of the upper tabletting component and one side of the lower tabletting component in a lifting manner.

Preferably, the transmission piece is provided with a pressing part, and the pressing part is arranged corresponding to the shearing part of the rotating block.

Preferably, the transmission member is provided with a first track part, and the rotating block is provided with a movable hook part which is matched with the first track part of the transmission member.

Preferably, the transmission part is provided with a second track part and a through sliding groove, and the driving part of the hook cutter is matched with the through sliding groove or the second track part of the transmission part.

Preferably, the mounting seat comprises a hook cutter mounting part, a scissors mounting part and a base body provided with a groove, the lower fixed scissors are fixedly arranged on the scissors mounting part, and the transmission part is arranged in the groove and connected with the transmission shaft.

The utility model has the beneficial effects that:

1. an upper pressure plate component is adopted, so that the glove machine can normally clamp the fine yarn;

2. the thread cutting mechanism hooks the fine yarn, clamps and cuts the thread through the matching of the transmission part, the rotating part, the adjustable shear shaft, the bush-hook driving part and the like.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective assembly view of the present invention;

FIG. 3 is a schematic view of the operation of the hook of the present invention;

FIG. 4 is a schematic view of the operation of the utility model with the hook knife descending after hooking the wire;

FIG. 5 is a schematic view of another view of FIG. 4;

FIG. 6 is a schematic view of a trimming process according to the present invention.

In the figure: 1. a transmission member; 1a, a first shaft hole; 1b, a top pressing part; 1c, a track part I; 1d, a second track part; 1e, a through chute; 2. rotating the block; 2a, a shearing and pressing part; 2b, a hook moving part; 3. a spring; 4. a mounting seat; 4a, a bush-hook mounting part; 4b, a scissors mounting part; 4c, a substrate; 4c1, slotted; 5. a bush-hook; 5a, a base; 5b, a driving part; 6. pressing a plate; 7. lower fixed scissors; 8. a big cushion cover; 9. upper adjustable scissors; 10. a small cushion cover; 11. a lower clamping piece; 12. pressing a first upper sheet; 12a, a concave through groove; 13. a rubber band block; 14. pressing a second wafer; 15. a drive shaft; 16. a scissors shaft is adjustable; 16a, setting and positioning scissors; 16b, a first shaft gear; 16c, a second shaft stop;

20. an upper tabletting assembly;

30. a yarn.

Detailed Description

Referring to fig. 1 to 6, the present embodiment includes a lower fixed scissors 7 fixed on a mounting base 4 and an upper adjustable scissors 9 rotatably disposed on the mounting base 4 through an adjustable scissors shaft 16, wherein the mounting base 4 includes a hook mounting portion 4a, a scissors mounting portion 4b and a base 4c having a slot 4c1, the lower fixed scissors 7 is fixed on the scissors mounting portion 4b, a first shaft stop 16b of the adjustable scissors shaft 16 is movably disposed in a shaft hole of the scissors mounting portion 4b after passing through the lower fixed scissors 7, a spring 3 is disposed below the shaft hole of the scissors mounting portion 4b and is matched with the first shaft stop 16b of the adjustable scissors shaft 16, a rotating block 2 is fixed on a second shaft stop 16c of the adjustable scissors shaft 16, and the upper adjustable scissors 9 is matched with the scissors setting position 16a of the adjustable scissors shaft 16;

the large cushion cover 8 is arranged between the lower fixed scissors 7 and the lower clamping piece 11, the small cushion cover 10 is arranged on the upper movable scissors 9, the upper end surface of the small cushion cover exposes out of a through hole of the lower clamping piece 11, the hook cutter 5 is movably arranged in a sliding groove of the hook cutter mounting part 4a and is limited and fixed by the pressing plate 6, the transmission shaft 15 is combined with the transmission piece 1 movably arranged in the open groove 4c1 of the base body 4c after passing through a shaft hole arranged on the base body 4c, and the transmission shaft 15 is fixedly connected with the shaft hole I1 a of the transmission piece 1 and can rotate along the shaft hole of the base body 4 c;

the upper pressing piece assembly 20 is arranged at the top of the adjustable scissors shaft 16 and corresponds to the lower clamping piece 11, the upper pressing piece assembly 20 comprises an upper pressing piece I12, a rubber band block 13 and an upper pressing piece II 14, the lower portion of the rubber band block 13 is arranged in the concave portion through groove 12a of the upper pressing piece I12, as another installation mode of the rubber band block 13, the concave portion through groove 12a of the upper pressing piece I12 can be replaced by a concave portion side groove, the upper portion of the rubber band block 13 is exposed out of the upper pressing piece I12, the upper pressing piece II 14 is pressed against the top surface of the upper portion of the rubber band block 13, and the lower end face of the rubber band block 13 is exposed out of the concave portion through groove 12 a. The lower clamping piece 11 is provided with an inward concave clamping opening, the lower part of the rubber band block 13 is positioned in the clamping opening, and after the upper pressing piece assembly rotates along with the adjustable scissors shaft 16, the rubber band block 13 moves transversely in the clamping opening to close the clamping opening to finish the clamping action.

The transmission piece 1 further comprises a jacking portion 1b, a track portion I1 c, a track portion II 1d and a through sliding groove 1e, the rotating block 2 comprises a shearing portion 2a and a hook moving portion 2b, and the hook cutter 5 comprises a base portion 5a and a driving portion 5b formed by a roller or a bearing.

The jacking portion 1b of the transmission piece 1 and the shearing portion 2a of the rotating block 2 are arranged correspondingly, and after the transmission shaft 15 is driven by the driving mechanism to rotate, the jacking portion 1b extrudes the shearing portion 2a to drive the rotating block 2 to rotate, so that the movable scissor shaft 16 is controlled to rotate; the hook moving part 2b of the rotating block 2 is matched with the track part I1 c of the transmission piece 1, and the driving part 5b of the hook knife 5 is matched with the through sliding groove 1e or the track part II 1d of the transmission piece 1.

The working principle of the embodiment is as follows: as shown in fig. 3, the transmission shaft 15 is driven by the driving mechanism to rotate, and simultaneously drives the transmission member 1 to rotate, then the through chute 1e of the transmission member 1 drives the driving portion 5b of the hook 5, so that the hook 5 moves upwards along the chute of the hook mounting portion 4a of the mounting seat 4 until the hook head of the hook 5 can hook the yarn 30, at this time, the upper pressing member 20 is released from the lower clamping piece 11, the upper movable scissors 9 is released from the lower fixed scissors 7, and the pressing portion 2a of the rotating block 2 is far away from the pressing portion 1b of the transmission member 1; as shown in fig. 4 to 5, the driving mechanism drives the transmission shaft 15 and the transmission member 1 to rotate reversely, the through chute 1e of the transmission member 1 drives the driving portion 5b of the hook 5, so that the hook 5 moves downward along the chute of the hook mounting portion 4a of the mounting seat 4 until the driving portion 5b of the hook 5 is not separated from the through chute 1e of the transmission member 1, at this time, the yarn 30 enters the space formed by the upper pressing member 20 and the lower clamping member 11, and the pressing portion 2a of the rotating block 2 approaches the pressing portion 1b of the transmission member 1; as shown in fig. 6, the driving mechanism drives the transmission shaft 15 and the transmission member 1 to rotate continuously in the above direction, after the driving portion 5b of the hook-shaped knife 5 is separated from the through-sliding slot 1e of the transmission member 1, the driving portion moves along the second track portion 1d of the transmission member 1, and simultaneously the pressing portion 2a of the rotating member 2 rises along the pressing portion 1b of the transmission member 1, during the rising process, the rotating member 2 also drives the movable scissor shaft, the upper presser assembly 20 and the upper movable scissors to rotate, because the upper top surface of the rubber block 13 in the upper presser assembly 20 is pressed by the second upper presser 14, the lower end surface of the rubber block 13 is exposed out of the through-slot 12a of the first upper presser 12, the lower end surface of the rubber block 13 is firstly closed with the lower clamping piece 11 to firmly clamp the yarn 30, and then the upper movable scissors and the lower fixed scissors are closed to perform the yarn cutting action.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a trimming mechanism with last preforming subassembly, is the loose scissors (9) of last rotation setting in mount pad (4) including setting firmly lower fixed scissors (7) on mount pad (4) and through loose scissors axle (16), loose scissors axle (16) bottom is equipped with drives its pivoted turning block (2), be equipped with on mount pad (4) and drive by transmission shaft (15), in order to extrude pivoted driving medium (1), its characterized in that take place for turning block (2): the lower fixed scissors (7) are fixedly provided with lower clamping pieces (11), the top of the movable scissors shaft (16) is provided with an upper pressing piece assembly which rotates along with the movable scissors shaft and corresponds to the lower clamping pieces (11), and the upper pressing piece assembly is provided with a rubber rib block (13) used for folding the lower clamping pieces (11).

2. The thread trimming mechanism having an upper blade assembly as claimed in claim 1, wherein: go up the preforming subassembly and include last preforming one (12), go up preforming two (14) and rubber band piece (13), the lower part of rubber band piece (13) sets up in the recess logical groove (12a) of last preforming one (12), and the upper portion of rubber band piece (13) exposes preforming one (12), goes up the upper portion top surface roof pressure mutually of preforming two (14) and rubber band piece (13), and the lower part terminal surface of rubber band piece (13) exposes recess logical groove (12 a).

3. The thread trimming mechanism having an upper blade assembly as claimed in claim 2, wherein: and a hook knife (5) which is stirred by the transmission part (1) to ascend and descend is arranged on one side of the upper tabletting component and the lower clamping piece (11) is arranged on the mounting seat (4).

4. A thread trimming mechanism having an upper blade assembly according to any one of claims 1 to 3, wherein: the transmission piece (1) is provided with a top pressing part (1b), and the top pressing part (1b) is arranged corresponding to the shearing and pressing part (2a) of the rotating block (2).

5. The thread trimming mechanism having an upper blade assembly as claimed in claim 4, wherein: the transmission piece (1) is provided with a track part I (1c), and the rotating block (2) is provided with a hook moving part (2b) and is matched with the track part I (1c) of the transmission piece (1).

6. A thread trimming mechanism having an upper blade assembly as claimed in claim 3, wherein: the transmission part (1) is provided with a second track part (1d) and a through sliding groove (1e), and the driving part (5b) of the hook cutter (5) is matched with the through sliding groove (1e) or the second track part (1d) of the transmission part (1).

7. The thread trimming mechanism having an upper blade assembly as claimed in claim 1, wherein: mount pad (4) include bush-hook installation department (4a), scissors installation department (4b) and set up base member (4c) of fluting (4c1), lower fixed scissors (7) set firmly in scissors installation department (4b), and driving medium (1) sets up in fluting (4c1) and be connected with transmission shaft (15).