CN210031049U

CN210031049U - Needle protection triangle installation mechanism

Info

Publication number: CN210031049U
Application number: CN201920665070.7U
Authority: CN
Inventors: 郑加新; 幸友成; 李小兰
Original assignee: QUANZHOU HENGYI MACHINE Co Ltd
Current assignee: QUANZHOU HENGYI MACHINE Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-02-07
Anticipated expiration: 2029-05-10

Abstract

The utility model provides a protect needle triangle installation mechanism for with protect needle triangle adjustable installation to the saddle, protect needle triangle and be used for realizing resetting of slider, its characterized in that: including the slot hole, the setting element, two adjusting bolt, a spring, the slot hole forms on protecting the needle triangle, the setting element sets up on the saddle and lies in the slot hole and makes the needle triangle can rotate around the setting element, it can move along the slot hole to protect the needle triangle relatively the setting element, spring compression is between saddle and needle triangle side, two adjusting bolt distribute in the both sides in slot hole, the saddle is formed with the through-hole that supplies adjusting bolt to pass, adjusting bolt pass behind the through-hole with needle triangle side locking connection, the last adjusting nut that is provided with of adjusting bolt.

Description

Needle protection triangle installation mechanism

Technical Field

The utility model relates to a purl side weft knitting machine.

Background

As is known, a double-reverse side weft knitting machine mainly comprises an upper needle cylinder, a lower needle cylinder, an upper saddle, a lower saddle, an upper triangle, a lower triangle, a double-ended needle, an upper slider, a lower slider and a yarn feeding nozzle, wherein the upper needle cylinder and the lower needle cylinder are coaxially arranged oppositely and can synchronously rotate, needle grooves extending along the axial direction of the upper needle cylinder and the lower needle cylinder are respectively formed on the peripheral surfaces of the upper needle cylinder and the lower needle cylinder, the double-ended needle is movably arranged in the needle groove between the upper needle cylinder and the lower needle cylinder, the upper slider is movably arranged in the needle groove of the upper needle cylinder, the lower slider is movably arranged in the needle groove of the lower needle cylinder, the upper saddle and the outer side of the upper needle cylinder are oppositely arranged at intervals, the upper triangle is arranged on the upper saddle for driving the upper slider to move up and down, the lower saddle is arranged on the lower saddle for driving the lower slider to move up and down, the upper slider and the lower slider can drive the double, go up the saddle and be provided with the last needle triangle of protecting that is used for realizing going up the slider and resets, the saddle is provided with down the needle triangle of protecting that is used for realizing that the slider resets down, in order to make the needle triangle better with the slider cooperation, requires that the needle triangle of protecting can make things convenient for accurate regulation its and the slider relative position, and the current triangular mounting structure of protecting the needle is unfavorable for the triangle's of protecting the needle regulation.

Disclosure of Invention

The utility model aims at providing a needle protection triangle installation mechanism convenient to adjust needle protection triangle to prior art not enough.

The purpose of the utility model is realized through the following technical scheme:

The saddle is characterized by further comprising a screw hole and a locking bolt, the screw hole is formed in the saddle and is aligned with the long hole, the positioning piece is provided with a cylindrical section matched with the long hole and a pressing portion larger than the long hole, a middle hole is formed in the positioning piece in a penetrating mode along the axial direction, and the locking bolt penetrates through the middle hole and is matched and locked with the screw hole.

The utility model discloses following beneficial effect has:

the needle protection triangle is installed on the saddle through the elongated hole, the locating piece, the screw hole, the locking bolt, two adjusting bolts and the spring, the elongated hole and the locating piece enable the needle protection triangle to rotate around the locating piece, the locating of the needle protection triangle is realized through the two adjusting bolts and the spring, and the needle protection triangle can be rotated around the locating piece to be adjusted or moved back and forth through operating nuts on the two adjusting bolts, so that the needle protection triangle can be matched with the guide pin better.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a purl weft knitting machine of the present invention.

Fig. 2 is a schematic structural view of the double-reverse side weft knitting machine of the utility model, and the pneumatic thread changing device is removed.

Fig. 3 is a schematic structural view of the yarn feeding device of the present invention.

Fig. 4 is a schematic structural view of the yarn feeding nozzle of the utility model.

Fig. 5 is a view showing an installation structure of the upper needle-protecting cam.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a structural schematic view of the lower needle cylinder, and the cylinder opening insert is removed.

Fig. 8 is a schematic view of the structure of the lower cylinder.

Fig. 9 is a schematic structural view of a lower needle cylinder, which shows a mounting structure of a band knife.

Fig. 10 is a schematic structural view of the band knife.

Detailed Description

Referring to fig. 1 to 10, a purl weft knitting machine includes an upper needle cylinder 1, a lower needle cylinder 2, an upper saddle 32, a lower saddle 42, an upper cam 33, a lower cam 43, a double-ended needle 7, an upper slider 3, a lower slider 4, an upper saddle foundation 31, a lower saddle foundation 41, a pneumatic thread changer 6, a band yarn cutter a, a yarn feeder 8, an upper needle guard cam, a lower needle guard cam 91, a selector 53, a middle needle 52, and a jacquard 51.

The upper needle cylinder 1 and the lower needle cylinder 2 are coaxially arranged oppositely and can rotate synchronously, needle grooves extending along the axial direction of the upper needle cylinder 1 and the lower needle cylinder 2 are respectively formed on the outer peripheral surfaces of the upper needle cylinder 1 and the lower needle cylinder 2, the double-ended needle 7 is movably arranged in the needle groove between the upper needle cylinder 1 and the lower needle cylinder 2, the upper slider 3 is movably arranged in the needle groove of the upper needle cylinder 1, the lower slider 4 is movably arranged in the needle groove of the lower needle cylinder 2, the jacquard sheet 51 and the middle needle 52 are movably arranged in the needle groove of the lower needle cylinder 3, the lower slider 4, the middle needle 42 and the jacquard sheet 51 are sequentially and movably connected from top to bottom, and the needle selector 53 is arranged opposite to the jacquard sheet 51 and can operate whether the jacquard sheet 51 acts or not.

The upper saddle 32 and the outer side of the upper needle cylinder 1 are arranged on the upper saddle foundation ring 31 at intervals, the upper triangle 33 is arranged on the upper saddle 32 through an adjustable slide block and used for driving the upper slider 3 to move up and down, the lower saddle 42 and the outer side of the lower needle cylinder 2 are arranged on the lower saddle foundation ring 41 at intervals and are arranged relatively, the lower triangle 43 is arranged on the lower saddle 42 through the adjustable slide block and used for driving the lower slider 4 to move up and down, and the up and down movement of the upper slider 3 and the lower slider 4 can drive the double-ended needle 7 to move up and down to complete knitting, knocking over and the like.

The upper saddle 32 is provided with an upper needle-protecting triangle for resetting the upper slider 3, the lower saddle 42 is provided with a lower needle-protecting triangle 91 for resetting the lower slider 4, the mounting mechanism of the upper needle-protecting triangle and the lower needle-protecting triangle 91 is the same, and the following mounting mechanism of the needle-protecting triangle 91 is exemplified here: the mounting mechanism comprises an elongated hole 97, a positioning piece 92, a screw hole 321, a locking bolt 93, two adjusting bolts 96 and a spring 94, wherein the elongated hole 97 is formed on the upper needle protection triangle 91 and extends along the radial direction of the upper needle cylinder 1, the screw hole 321 is formed on the upper saddle 32 and is aligned with the elongated hole 97, the positioning piece 92 is arranged in the elongated hole 97, the positioning piece 92 is provided with a cylindrical section matched with the elongated hole 97 and a pressing part larger than the elongated hole 97, a middle hole is formed in the positioning piece 92 in a penetrating way along the axial direction, the locking bolt 92 penetrates through the middle hole and is matched and locked with the screw hole 321, the spring 94 is compressed between the upper saddle 32 and the side surface of the upper needle protection triangle 91, the two adjusting bolts 96 are distributed on two sides of the elongated hole 97, the upper saddle 32 is provided with a through hole for the adjusting bolt 96 to penetrate through, the adjusting bolt 96 is locked and connected with the side surface of, the lower needle protection cam 91 can rotate or move back and forth around the positioning part 92 by rotating the adjusting nut 95, so that the lower needle protection cam 91 can be better matched with the lower slider 4

The yarn feeding device 8 comprises a yarn feeding nozzle 81, a yarn feeding nozzle seat 83 and a swing arm 82, wherein the yarn feeding nozzle seat 83 is locked on the upper saddle 2 through bolts, the swing arm 82 is arranged on the yarn feeding nozzle seat 83 in a swinging mode between a working position and a standby position, the yarn feeding nozzle 81 is locked at the front end of the swing arm 82 through bolts, when the swing arm 82 is in the working position, the yarn feeding nozzle 81 is in a yarn feeding state close to a needle cylinder, and when the swing arm 82 is in the standby position, the yarn feeding nozzle 81 is in a yarn penetrating state far away from the needle cylinder; the swing arm 82 is rotatably arranged on the yarn mouth seat 83 through the rotating shaft 84, the yarn mouth seat 83 is provided with two side plates 831 which are arranged in parallel at intervals, the two side plates 831 are respectively provided with shaft holes 832 which are arranged oppositely, two ends of the rotating shaft 84 are rotatably arranged in the two shaft holes 832, the swing arm 82 is connected on the rotating shaft 84 between the two side plates 831, the outer peripheral surface of the rotating shaft 84 is provided with a mounting hole 841, the inner wall of the shaft hole 832 is provided with a positioning hole 844 which can be opposite to the mounting hole 841, a telescopic positioning pin 843 and a spring 842 for driving the positioning pin 843 to extend are arranged in the mounting hole 841, the front end of the positioning pin 843 can be embedded into the positioning hole,

the pneumatic thread changing device 6 is arranged on the lower saddle 42 and can be matched with the thread feeding nozzle 81 for changing threads, the thread feeding nozzle 81 is provided with a concave part 811 facing the pneumatic thread changing device 6, the concave part 811 penetrates through the lower edge of the thread feeding nozzle 81, the lower end of the side surface of the thread feeding nozzle 81 is provided with a first thread hole 814 transversely penetrating and communicated with the concave part 811, the lower side of the concave part 811 close to the first thread hole 814 is provided with a second thread hole 812 longitudinally penetrating and transversely extending, the second thread hole 812 is provided with a thread inlet 813 obliquely extending, the lower needle cylinder 2 is provided with a thread carrying knife a for driving the threads to enter the second thread hole 812 from the thread inlet 813 during thread changing, the thread carrying knife a is bent and formed by adopting a long plate-shaped structure and specifically comprises a mounting section a3, the bending section a2 and the tape yarn section a1, the mounting section a3 is locked on the inner wall of the lower needle cylinder 2 through bolts, the tape yarn section a1 extends out of the lower needle cylinder 2, and the opening of the lower needle cylinder 2 forms an abdicating notch for the tape yarn section a1 to extend out.

Go up needle cylinder 1 and lower needle cylinder 2 and be provided with nozzle insert 24, go up needle cylinder 1 and lower needle cylinder 2's nozzle insert 24 and adopt the same mounting structure, the following needle cylinder 2 explains for the example: the needle groove is composed of a cylinder body inserting sheet 23 and a cylinder opening inserting sheet 24, a cylinder opening needle groove is formed between two adjacent cylinder opening inserting sheets 24, a cylinder body needle groove is formed between two adjacent cylinder body inserting sheets 23, an inserting sheet groove 21 penetrating through a cylinder opening is formed in the lower needle cylinder 2, an annular buckling groove 22 is formed in the inner side of the lower needle cylinder 2, and the cylinder opening inserting sheet 24 is inserted in the inserting sheet groove 21 and provided with a buckling part 241 capable of being buckled in the annular buckling groove 22.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

1. The utility model provides a protect needle triangle installation mechanism for with protect needle triangle adjustable installation to the saddle, protect needle triangle and be used for realizing resetting of slider, its characterized in that: including the slot hole, the setting element, two adjusting bolt, a spring, the slot hole forms on protecting the needle triangle, the setting element sets up on the saddle and lies in the slot hole and makes the needle triangle can rotate around the setting element, it can move along the slot hole to protect the needle triangle relatively the setting element, spring compression is between saddle and needle triangle side, two adjusting bolt distribute in the both sides in slot hole, the saddle is formed with the through-hole that supplies adjusting bolt to pass, adjusting bolt pass behind the through-hole with needle triangle side locking connection, the last adjusting nut that is provided with of adjusting bolt.

2. A needle protection cam mounting mechanism as claimed in claim 1, wherein: the saddle is characterized by further comprising a screw hole and a locking bolt, the screw hole is formed in the saddle and is aligned with the long hole, the positioning piece is provided with a cylindrical section matched with the long hole and a pressing portion larger than the long hole, a middle hole is formed in the positioning piece in a penetrating mode along the axial direction, and the locking bolt penetrates through the middle hole and is matched and locked with the screw hole.