CN110656432B

CN110656432B - Creel of circular knitting machine

Info

Publication number: CN110656432B
Application number: CN201910928940.XA
Authority: CN
Inventors: 张佰中
Original assignee: Hangzhou Chenyu Textile Co ltd
Current assignee: Hangzhou Chenyu Textile Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2021-02-12
Anticipated expiration: 2039-09-28
Also published as: CN110656432A

Abstract

The invention discloses a yarn stand of a circular knitting machine, which comprises a stand body and yarn barrel supporting seats, wherein a main cutting knife and a pushing seat are respectively arranged on two sides of each yarn barrel supporting seat; the main cutting knife is connected with the frame body through a first connecting rod, and pushing seats corresponding to the yarn cylinder supporting seats in the same horizontal row are connected through a second connecting rod; the frame body is provided with a receiving hopper which moves up and down along the vertical direction of the frame body; the linkage mechanism comprises a first rack, a second rack, a first gear and a second gear, the first gear is meshed with the first rack, the second rack is meshed with the second gear in the vertical operation process of the material receiving hopper, and each row of bobbin supporting seats corresponds to one group of the first rack, the first gear and the second gear; an auxiliary cutting knife is fixed on the receiving hopper, and the auxiliary cutting knife and the main cutting knife are staggered to form a scissor structure; an opening for the yarn barrel supporting seat to penetrate is formed in the material receiving hopper, the first connecting rod penetrates through the opening, and the material receiving hopper is driven to move up and down through a driving mechanism on the frame body.

Description

Creel of circular knitting machine

Technical Field

The invention relates to a rounding machine, in particular to a creel of the rounding machine.

Background

Circular knitting machines, known as circular weft knitting machines (or circular knitting machines). The circular knitting machine has the advantages of high loop forming system (called yarn feeding path number or loop forming path number in enterprises for short) quantity, high rotating speed, high yield, fast pattern change, good fabric quality, few working procedures and strong product adaptability, so the circular knitting machine is developed quickly.

The circular knitting machine consists of frame, yarn feeding mechanism, driving mechanism, lubricating and dedusting mechanism, electric control mechanism, drawing and winding mechanism and other auxiliary devices.

The general structure of big circular knitting machine can refer to the patent document that publication number is CN109706610A discloses, which comprises a frame, locate the cylinder in the frame and locate the tractive winding mechanism below the frame, tractive winding mechanism includes along with cylinder pivoted rotating base, two side quick-witted casees that are fixed in on the base, rotate the cloth roller of installing between the quick-witted case of both sides and be used for driving cloth roller pivoted cloth rolling driving piece, be equipped with down the cloth subassembly on the quick-witted case of side, it includes cloth driving piece down to go down the cloth subassembly, lower cloth slide and cuts cloth spare, the one end of lower cloth slide and cloth roller and side quick-witted case rotation installation department intercommunication, the other end is provided with cloth discharge opening, cut cloth spare and be used for following the width direction with the cloth after having been curled up, lower cloth driving piece sets up on side quick-witted case and is used for pushing the both ends of cloth roller and making the cloth roller roll down cloth discharge opening position along lower cloth slide.

CN109505052A discloses a yarn feeding mechanism of big circular knitting machine, including placing in the creel on big circular knitting machine ground all around, set up the lock ring in big circular knitting machine frame, set up storage yarn ware on the lock ring and set up the feed nozzle on big circular knitting machine dial, be provided with high lifting member between creel and the storage yarn ware, high lifting member includes high extensible member and lifting pulley, lifting pulley sets up on high extensible member, lifting pulley's height is located creel and stores up between the yarn ware, and the yarn circles the back from the yarn on creel and walks around lifting pulley after the back-up and inputs in storing up the yarn ware again. According to the invention, the lifting pulley is utilized to raise the height of the yarn between the creel and the yarn storage device, so that a workshop worker is prevented from touching the yarn when walking, the neatness of the yarn is protected, and the yarn is prevented from breaking.

The structure of creel can refer to the spinning creel that CN102992092A disclosed, including underframe, support, branch and pulley, be equipped with the support on the underframe, be equipped with branch on the support, the underframe below is equipped with the pulley, the support top is equipped with the mount, fixed pin fixed bolster and mount.

When the yarn feeding device works, the yarn drum is sleeved on the supporting rod, and when the yarn on the yarn drum is nearly used up, the yarn drum needs to be manually taken down one by one, so that the operation is time-consuming.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a yarn creel of a circular knitting machine, which is convenient and quick to take down a yarn barrel.

The technical purpose of the invention is realized by the following technical scheme:

a yarn stand of a circular knitting machine comprises a stand body and yarn barrel supporting seats arranged on the stand body, wherein a main cutting knife and a pushing seat are respectively arranged on two sides of each yarn barrel supporting seat, the main cutting knife is positioned above the yarn barrel supporting seats, and the pushing seats and the yarn barrel supporting seats are positioned at the same horizontal position; the main cutting knife is connected with the frame body through a first connecting rod, and pushing seats corresponding to the yarn cylinder supporting seats in the same horizontal row are connected through a second connecting rod; the frame body is provided with a material receiving hopper which moves up and down along the vertical direction of the frame body, and the material receiving hopper is connected with a second connecting rod through a linkage mechanism so that when the material receiving hopper moves upwards, the second connecting rod drives the pushing seat to move outwards; the linkage mechanism comprises a first rack which is fixed at the end part of the second connecting rod and is horizontally arranged, a second rack which is fixed at the end part of the material receiving hopper, a first gear and a second gear which are rotatably connected to the frame body, the first gear is meshed with the second gear, the first gear is meshed with the first rack, the second rack is meshed with the second gear in the vertical running process of the material receiving hopper, the running tracks of the first rack and the second rack are arranged in a staggered mode, and each row of bobbin supporting seats corresponds to one group of the first rack, the first gear and the second gear; an auxiliary cutting knife is fixed on the receiving hopper, and the auxiliary cutting knife and the main cutting knife are staggered to form a scissor structure; the receiving hopper is provided with an opening for the bobbin supporting seat to pass through, the opening is simultaneously used for the first connecting rod and the pushing seat to pass through, and the receiving hopper is driven to move up and down through a driving mechanism on the frame body.

When the receiving hopper moves upwards, the auxiliary cutting knife and the main cutting knife cut off yarns firstly, in the process, the second rack is meshed with the second gear to drive the second gear to rotate, the second gear drives the first rack to move outwards through the first gear, and the first rack drives the pushing seat to push out the yarn drum of the yarn drum supporting seat to fall into the receiving hopper. Because the opening is arranged, the first connecting rod, the yarn barrel supporting seat and the pushing seat cannot be in motion interference with the receiving hopper. And because the size of the yarn tube is larger than the width of the opening, the yarn tube can not fall from the opening.

Furthermore, actuating mechanism is including rotating the first band pulley of connection at the support body upper end, rotating the second band pulley of connection at the support body lower extreme, the closed loop drive belt of cover on first band pulley and second band pulley, and fixed a drive handle on the second band pulley or connect a motor, it is fixed with closed loop drive belt to connect the hopper.

The second belt wheel is driven to rotate by a motor or a driving handle, so that the closed-loop driving belt is driven to rotate, and finally the receiving hopper is driven to move up and down.

Furthermore, connect the hopper including connecing the flitch, being located to connect the flitch and keeping away from the bucket body of support body one end, connect the flitch to fix the lower extreme at bucket body import department, and connect the flitch to set up from the one end slope that is connected with the bucket body upwards, the opening is seted up on connecing the flitch, vice cutting knife is fixed in the upper end of bucket body, the relative vice cutting knife of main cutting knife is close to the support body.

So, make a yarn section of thick bamboo rely on the dead weight to get into the internal of fill through connecing the flitch.

Further, the one end that the bucket body kept away from into and connect the flitch sets up a discharge gate, discharge gate department articulates an opening and closing door, the pin joint of opening and closing door is located the discharge gate upper end and rotates to sealing the discharge gate under the dead weight, the lower extreme department horizontal sliding connection baffle of discharge gate, the baffle is located the opening and closing door outside and slides to staggering with the opening and closing door.

The yarn barrel is conveniently taken out by rotating the opening and closing door, the baffle is used for limiting the opening and closing door to rotate to open the discharge hole, and the opening and closing door can be opened when the baffle slides to be staggered with the opening and closing door.

Furthermore, a limiting groove is formed in one surface, close to the baffle, of the opening and closing door, rubber sheets are arranged on two sides of the baffle, the baffle rotates relative to the bucket body, a limiting block for limiting the rotation range of the baffle is fixed on the bucket body, the limiting block is located on one side, far away from the opening and closing door, of the baffle and located outside the rotation track radiation range of the opening and closing door, and the rubber sheets are in an extrusion state when the baffle rotates to the limiting groove.

The baffle can rotate into the limiting groove, and the baffle cannot slide relatively under the limitation of the limiting groove, so that the baffle can limit the opening and closing door more reliably; because the baffle can carry out the rotation of certain within range relatively to the bucket body this moment, under the action of gravity of a yarn section of thick bamboo, the baffle turns up the butt stopper, opens the door and rotates, opens the lower extreme of door and also can open certain clearance with the discharge gate, but this clearance is less, is not enough to make a yarn section of thick bamboo drop.

Furthermore, the bottom of support body is fixed with the bottom plate of level setting, and the bottom plate is located and connects hopper below and the up end of bottom plate is fixed with the rubber slab.

When connecing the hopper whereabouts, finally with the rubber slab butt, avoid connecing hopper and bottom plate direct emergence striking, cause to connect the hopper damage.

Further, promote the seat and include disc and push rod, offer many bar grooves that extend along the disc circumferencial direction on the disc, an at least push rod of installation in every bar inslot, push rod one end has a thread head, and the thread head passes a bar groove and connects a nut.

The position of the push rods can be adjusted through the arrangement of the strip-shaped grooves, and the number of the push rods can also be adjusted.

Further, the strip-shaped grooves simultaneously extend outwards along the radial direction of the disc.

The position of the push rod in the radial direction can be adjusted.

In conclusion, the invention has the following beneficial effects: the invention effectively improves the speed of the yarn taking barrel.

Drawings

FIG. 1 is a first schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a second schematic structural diagram according to an embodiment;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

FIG. 5 is a third schematic structural view of the embodiment;

FIG. 6 is an enlarged view of section C of FIG. 5;

FIG. 7 is a first schematic structural view of a receiving hopper;

FIG. 8 is a second schematic structural view of the receiving hopper;

fig. 9 is an enlarged view of a portion D of fig. 8.

Reference numerals: 1. a frame body; 11. a base plate; 12. a rubber plate; 13. a guide bar; 2. a bobbin supporting seat; 31. a main cutter; 32. a secondary cutter; 4. a pushing seat; 41. a disc; 411. a strip-shaped groove; 42. a push rod; 421. a screw head; 43. a nut; 51. a first link; 52. a second link; 6. a receiving hopper; 61. a material receiving plate; 611. an opening; 62. a bucket body; 63. opening and closing the door; 631. a limiting groove; 64. a slide bar; 65. a baffle plate; 651. a rubber sheet; 66. welding a rod; 67. a limiting block; 71. a first rack; 72. a second rack; 73. a first gear; 74. a second gear; 81. a first pulley; 82. a second pulley; 83. a closed loop drive belt; 84. the handle is driven.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

A yarn stand of a circular knitting machine is shown as figure 1 and comprises a stand body 1 and a yarn cylinder supporting seat 2 installed on the stand body 1. As shown in fig. 2 and 4, the main cutter 31 and the pushing seat 4 are respectively arranged at two sides of each bobbin supporting seat 2, the main cutter 31 is positioned above the bobbin supporting seat 2, and each main cutter 31 is connected with the frame body 1 through a first connecting rod 51. The pushing seats 4 and the yarn cylinder supporting seats 2 are positioned at the same horizontal position, the pushing seats 4 corresponding to the yarn cylinder supporting seats 2 in the same horizontal row are connected through second connecting rods 52, and a horizontal groove for the second connecting rods 52 to translate is formed in the machine frame 1; the pushing seat 4 comprises a disc 41 and a push rod 42, a plurality of strip-shaped grooves 411 extending along the circumferential direction of the disc 41 are formed in the disc 41, the strip-shaped grooves 411 extend outwards along the radial direction of the disc 41 at the same time, at least one push rod 42 is installed in each strip-shaped groove 411, one end of each push rod 42 is provided with a threaded head 421, and each threaded head 421 penetrates through the strip-shaped groove 411 and is connected with a nut 43; the second link 52 is fixed to the disc 41.

As shown in fig. 1, a receiving hopper 6 moving up and down along the vertical direction of the frame body 1 is installed on the frame body 1, and the receiving hopper 6 is driven by a driving mechanism on the frame body 1 to move up and down. The bottom of the frame body 1 is fixed with a bottom plate 11 horizontally arranged, the bottom plate 11 is positioned below the material receiving hopper 6, the upper end face of the bottom plate 11 is fixed with a rubber plate 12, and the bottom plate 11 is also fixed with two guide rods 13 penetrating through the hopper body 62. As shown in fig. 7, the receiving hopper 6 includes a receiving plate 61, and a hopper body 62 located at one end of the receiving plate 61 far from the frame body 1; the receiving plate 61 is fixed to the lower end of the inlet of the hopper body 62, and the receiving plate 61 is disposed obliquely upward from the end connected to the hopper body 62. An opening 611 for the bobbin supporting seat 2 to pass through is formed in the material receiving plate 61, and the first connecting rod 51 and the push rod 42 simultaneously pass through the opening 611; the auxiliary cutting knife 32 is fixed at the upper end of the bucket body 62, the main cutting knife 31 is close to the rack body 1 relative to the auxiliary cutting knife 32, and the auxiliary cutting knife 32 and the main cutting knife 31 are staggered to form a scissors structure.

As shown in fig. 8-9, a discharge hole is formed in one end of the hopper body 62, which is far away from the material inlet receiving plate 61, the discharge hole is hinged to an opening and closing door 63, and a hinge point of the opening and closing door 63 is located at the upper end of the discharge hole and rotates to close the discharge hole under the self-weight. The lower end of the discharge port is provided with a sliding rod 64, the sliding rod 64 is horizontally arranged and fixed with the hopper body 62, the sliding rod 64 is sleeved with a baffle 65 capable of translating relative to the sliding rod 64, rubber sheets 651 are arranged on two sides of the baffle 65, the cross section of the sliding rod 64 is circular, the baffle 65 can rotate relative to the sliding rod 64, one side, close to the baffle 65, of the opening and closing door 63 is provided with a limiting groove 631, and the rubber sheets 651 are in an extrusion state when the baffle 65 rotates into the limiting groove 631. A limiting block 67 is fixed on the sliding rod 64 through a welding rod 66, the limiting block 67 is parallel to the sliding rod 64 and is higher than the sliding rod 64, and the limiting block 67 is arranged so that when the opening and closing door 63 and the baffle 65 rotate back to the discharge hole, when the baffle 65 abuts against the limiting block 67, an opened gap of the discharge hole is not enough for the yarn cylinder to fall. Meanwhile, the limiting block 67 is located outside the rotating track radiation range of the opening and closing door 63, so that the movement interference with the opening and closing door 63 is avoided. When the limiting block 67 is defined to the end part of the sliding rod 64, the baffle 65 is staggered with the opening and closing door 63, and the opening and closing door 63 can be opened.

As shown in fig. 4 and 6, the material receiving hopper 6 is connected with the second connecting rod 52 through a linkage mechanism so that when the material receiving hopper 6 moves upwards, the second connecting rod 52 drives the pushing seat 4 to move outwards; the linkage mechanism comprises a first rack 71 fixed at the end of the second connecting rod 52 and horizontally arranged, a second rack 72 fixed at the end of the bucket body 62, a first gear 73 and a second gear 74 rotatably connected to the frame body 1, and the second rack 72 is fixedly connected with the bucket body 62 through the connecting rod. The first gear 73 is meshed with the second gear 74, the first gear 73 penetrates through the rack 1 to be meshed with the first rack 71, the second rack 72 is meshed with the second gear 74 in the process that the material receiving hopper 6 runs up and down, the running tracks of the first rack 71 and the second rack 72 are arranged in a staggered mode, and each row of bobbin supporting seats 2 corresponds to one group of the first rack 71, the first gear 73 and the second gear 74.

As shown in fig. 1, the driving mechanism includes a first pulley 81 rotatably connected to the upper end of the frame body 1, a second pulley 82 rotatably connected to the lower end of the frame body 1, and a closed loop transmission belt 83 sleeved on the first pulley 81 and the second pulley 82, a driving handle 84 is fixed on the second pulley 82 or connected to a motor, the bucket body 62 is fixed to the closed loop transmission belt 83, and the driving handle 84 is selected in this embodiment.

The working process is as follows: the scheme is directed to the same batch of complete yarn drums, when yarns on all yarn drums are nearly used up in spinning, the driving handle 84 is rotated to drive the hopper body 62 to move upwards, and at the moment, the baffle 65 is located in the limiting groove 631. When the receiving hopper 6 moves upwards, the secondary cutting knife 32 and the primary cutting knife 31 cut off the yarn, and in the process, the second gear 72 is meshed with the second gear 74 to drive the second gear 74 to rotate, the second gear 74 drives the first rack 71 to move outwards through the first gear 73, and the first rack 71 drives the pushing seat 4 to push out the bobbin of the bobbin supporting seat 2 to fall into the receiving hopper 6. Due to the opening 611, the first connecting rod 51, the bobbin supporting base 2 and the push rod 42 do not interfere with the receiving hopper 6, and the bobbin normally enters the hopper body 62 directly along the receiving plate 61 by gravity. Since the size of the bobbin is larger than the width of the opening 611, the bobbin does not fall from the opening 611.

Claims

1. The utility model provides a big circular knitting machine creel, includes support body (1), installs yarn section of thick bamboo supporting seat (2) on support body (1), its characterized in that: a main cutting knife (31) and a pushing seat (4) are respectively arranged on two sides of each yarn drum supporting seat (2), the main cutting knife (31) is positioned above the yarn drum supporting seat (2), and the pushing seat (4) and the yarn drum supporting seat (2) are positioned at the same horizontal position; the main cutting knife (31) is connected with the frame body (1) through a first connecting rod (51), and the pushing seats (4) corresponding to the bobbin supporting seats (2) in the same horizontal row are connected through a second connecting rod (52); the material receiving hopper (6) moving up and down along the vertical direction of the frame body (1) is arranged on the frame body (1), and the material receiving hopper (6) is connected with the second connecting rod (52) through a linkage mechanism so that when the material receiving hopper (6) moves up, the second connecting rod (52) drives the pushing seat (4) to move outwards; the linkage mechanism comprises a first rack (71) which is fixed at the end part of the second connecting rod (52) and horizontally arranged, a second rack (72) which is fixed at the end part of the material receiving hopper (6), a first gear (73) and a second gear (74) which are rotatably connected to the frame body (1), the first gear (73) is meshed with the second gear (74), the first gear (73) is meshed with the first rack (71), the second rack (72) is meshed with the second gear (74) in the vertical running process of the material receiving hopper (6), the running tracks of the first rack (71) and the second rack (72) are arranged in a staggered mode, and each row of bobbin supporting seats (2) corresponds to one group of first rack (71), first gear (73) and second gear (74); an auxiliary cutting knife (32) is fixed on the receiving hopper (6), and the auxiliary cutting knife (32) and the main cutting knife (31) are staggered to form a scissor structure; connect and set up an opening (611) that supplies bobbin supporting seat (2) to pass on hopper (6), opening (611) supplies first connecting rod (51) and push seat (4) to pass simultaneously, connect hopper (6) to drive up-and-down motion through the actuating mechanism on support body (1), actuating mechanism is including rotating first band pulley (81), the rotation of connection at support body (1) upper end second band pulley (82), the cover closed loop drive belt (83) on first band pulley (81) and second band pulley (82), fixed drive handle (84) or connection motor on second band pulley (82), it is fixed with closed loop drive belt (83) to connect hopper (6).

2. The rounding machine creel of claim 1, wherein: connect hopper (6) including connecing flitch (61), be located and connect flitch (61) to keep away from bucket body (62) of support body (1) one end, connect flitch (61) to fix the lower extreme in bucket body (62) import department, and connect flitch (61) upwards to set up from the one end slope of being connected with bucket body (62), opening (611) are seted up on connecing flitch (61), the upper end at bucket body (62) is fixed in vice cutting knife (32), main cutting knife (31) is close to support body (1) vice cutting knife (32) relatively.

3. The rounding machine creel of claim 2, wherein: the one end that the bucket body (62) kept away from into material receiving plate (61) sets up a discharge gate, discharge gate department articulates one and opens and close door (63), the pin joint of opening and close door (63) is located the discharge gate upper end and rotates to closed discharge gate under the dead weight, the lower extreme department horizontal sliding connection baffle (65) of discharge gate, baffle (65) are located the opening and closing door (63) outside and slide to stagger with opening and closing door (63).

4. The rounding machine creel of claim 3, wherein: spacing groove (631) have been seted up to the one side that opens and shuts door (63) and be close to baffle (65), baffle (65) both sides have rubber piece (651), and baffle (65) relative bucket body (62) rotate, be fixed with stopper (67) of restriction baffle (65) rotation range on bucket body (62), stopper (67) are located one side that opening and shutting door (63) were kept away from to baffle (65), and outside stopper (67) were located the rotation orbit radiation scope of opening and shutting door (63), rubber piece (651) were in the extrusion state when baffle (65) rotated to spacing groove (631).

5. The rounding machine creel of claim 2, wherein: the bottom of support body (1) is fixed with bottom plate (11) that the level set up, and bottom plate (11) are located and connect hopper (6) below and the up end of bottom plate (11) is fixed with rubber slab (12).

6. The rounding machine creel of claim 1, wherein: the pushing seat (4) comprises a disc (41) and a push rod (42), a plurality of strip-shaped grooves (411) extending along the circumferential direction of the disc (41) are formed in the disc (41), at least one push rod (42) is installed in each strip-shaped groove (411), one end of each push rod (42) is provided with a thread head (421), and each thread head (421) penetrates through each strip-shaped groove (411) to be connected with a nut (43).

7. The rounding machine creel of claim 6, wherein: the strip-shaped groove (411) extends outwards along the radial direction of the disc (41).