CN107780059B

CN107780059B - Knitting method of automatic broom knitting machine

Info

Publication number: CN107780059B
Application number: CN201710993157.2A
Authority: CN
Inventors: 曾明; 高国良
Original assignee: Cenxi Tuofeng Technology Development Co ltd
Current assignee: Cenxi Tuofeng Technology Development Co ltd
Priority date: 2017-10-23
Filing date: 2017-10-23
Publication date: 2021-04-13
Anticipated expiration: 2037-10-23
Also published as: CN107780059A

Abstract

The invention discloses a knitting method of an automatic broom knitting machine, which relates to the technical field of spinning, and is characterized in that a knitting machine is adopted to knit a broom, at least one row of through holes are arranged at the starting point of a shuttle needle walking line, a shuttle needle belt line passes through the through holes, and a crochet hook below the through holes hooks the line to be knotted.

Description

Knitting method of automatic broom knitting machine

Technical Field

The invention relates to the technical field of textiles, in particular to a knitting method of a besom automatic knitting machine for knitting and wiring besoms.

Background

The existing broom generally comprises a broom support, a broom rod inserted on the broom support and a broom brush inserted under the broom support; the traditional broom brush made of plants such as Chinese silvergrass, elephant grass, straw and the like is generally made manually, namely the tail parts of the plants are spread to form the broom brush, the head parts of the plants are gathered together and clamped into a broom support, and the broom brush of which the broom is close to the broom support is sewn by using a needle thread to be firm and firm; however, because of manual sewing, the stitches are not uniform in routing, the working efficiency is low, a skilled worker needs twelve minutes to sew one broom, only three or forty brooms can be sewn by one person in one day, and the manufacturing cost of the broom is high due to the high labor cost in recent years, and the broom cannot be produced in a large scale.

Disclosure of Invention

The invention aims to solve the technical problem of providing a knitting method of an automatic broom knitting machine, which can solve the problems of low efficiency and high cost of the existing manual sewing broom.

In order to solve the problems, the technical scheme adopted by the invention is as follows: the broom is knitted by a knitting machine, at least one row of through holes are formed in the starting point of a shuttle needle walking line, a shuttle needle belt line penetrates through the through holes, and a crochet hook below the through holes hooks the line to be knotted.

In the above technical solution, a more specific solution may also be: the through holes are formed at intervals by at least one spacing bar arranged at one end of the outer side of the arc-shaped sewing opening.

Further: the adopted knitting machine is provided with a case, a sewing plate capable of horizontally rotating is arranged on the case, a plurality of arc-shaped sewing openings arranged in parallel are arranged in the middle of the sewing plate, an arc-shaped pressing ring is hinged to one end of each arc-shaped sewing opening in the length direction, and at least two spacing strips are movably inserted in the axial direction at intervals at one end of the outer side of each arc-shaped sewing opening on the outermost side; a sliding rod with a sewing head is suspended at the top of the sewing plate, the sliding rod slides up and down in a sewing sliding sleeve, the sewing sliding sleeve is connected with a rotating arm which can horizontally rotate, and a crochet hook which can slide left and right and swing up and down is arranged below the arc-shaped sewing opening; the sewing plate, the sewing head, the rotating arm and the crochet hook are all driven by respective driving devices, and each driving device is controlled by a controller.

Further: the bottom of the sewing plate is fixedly connected to a first gear through a connecting piece, the first gear is meshed with a second gear, and the second gear is driven by a first motor.

Further: the sewing sliding sleeve is fixedly arranged in a frame, the lower section of the sewing sliding sleeve is connected with the rotating arm, and the rotating arm is driven by a second motor; a rack is arranged on one side of the top of the sliding rod in the vertical direction, the rack is meshed with a third gear, and the third gear is driven by a third motor; a rotating shaft is fixed at the top of the frame body, and the other end of the rotating shaft is connected to a bearing seat on a bracket on the case; the bottom of the sliding rod is provided with the sewing head, and a plurality of shuttle needles are inserted under the sewing head.

Further: a suture stop rod is transversely arranged at the front part of the frame body; the front part of the upper section of the sliding rod is transversely provided with a row of suture holes.

Further: the hook needles are sleeved on a hook needle rod which is transversely arranged, two ends of the hook needle rod are sleeved on the bearing seat, the end head of one end of the hook needle rod is sleeved with a special-shaped gear, the special-shaped gear is provided with a long handle connecting part and an arc-shaped tooth part, the tooth part is meshed with a fourth gear, and the fourth gear is driven by a fourth motor; the bearing seat and the fourth motor are arranged on a sliding platform, the sliding platform is connected on a slideway in a sliding mode, and the sliding platform is driven by a fifth motor.

Further: a start/stop switch is arranged below the case; the two spacing strips are fixed by at least one fixing block and penetrate through a fixing seat arranged on the sewing plate.

Further: the controller is a PLC controller.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. according to the knitting method, at least one row of through holes are formed in the starting point of the shuttle needle walking line, the shuttle needle walks up and down in the through holes, the crochet needle below the through holes hooks the thread of the shuttle needle, the thread can be knotted, knotting is firstly carried out, then the broom is knitted, after knitting is finished, manual knotting is not needed, and the knitting method is convenient and fast.

2. The adopted knitting machine has the advantages that the structure is reasonable, the time for sewing each broom is about 1 minute, the sewing wiring is uniform, the winding is tight and powerful, the effect is better than that of manual knitting, the speed is twelve times of manual knitting, the flow of fixing the broom by manual sewing can be completely replaced, the labor force is liberated, and the yield is greatly improved.

2. Because the middle part of the sewing plate is provided with a plurality of arc-shaped sewing openings which are arranged in parallel, when the broom is driven by the sewing plate to rotate, the radian of the arc-shaped sewing openings is consistent with the rotating angle of the sewing plate, so that the arc-shaped routing of sewing thread feet of the broom is uniform; at least two spacing strips are movably inserted at an axial interval at one end of the outer side of the arc-shaped sewing opening at the outermost side, so that the first two stitches can be automatically knotted without manual knotting, and the working efficiency is further improved.

3. The front part of the frame body is transversely provided with a sewing thread blocking rod, when the frame works, sewing threads penetrate through the sewing thread blocking rod, and the sewing thread blocking rod plays a role in tensioning the sewing threads.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front longitudinal sectional view of the present invention.

FIG. 3 is a schematic view of the structure of the sewing plate with an arc-shaped pressing ring hinged thereto.

Fig. 4 is a schematic structural view of opening the arc-shaped compression ring.

Fig. 5 is a schematic structural view of the broom.

Fig. 6 is a schematic structural view of the shaped gear.

Detailed Description

The invention will be further described in detail with reference to the following specific examples and the accompanying drawings:

in the embodiment shown in fig. 1 and 2, the knitting method is performed by using a knitting machine, the knitting machine comprises a machine box 1, a sewing plate 2 which can horizontally rotate is arranged on the machine box, the bottom of the sewing plate 2 is fixedly connected to a first gear 3 through a screw 13, the first gear 3 is meshed with a second gear 4, and the second gear 4 is driven by a first motor 5; as shown in fig. 3 and 4, five arc-shaped sewing openings 6 arranged in parallel are arranged in the middle of the sewing plate 2, an arc-shaped pressing ring 7 is hinged to the sewing plate 2 at one end of the arc-shaped sewing opening along the length direction, a locking rod 11 is hinged to the other end of the arc-shaped pressing ring, and a locking hook 12 used for fixing the locking rod is arranged on the sewing plate 2; two spacing bars 8 are movably inserted at an axial interval at one end of the outer side of the arc-shaped sewing opening at the outermost side, the two spacing bars 8 are fixed together at intervals by a fixing block 9 at the middle rear part, the two spacing bars 8 penetrate through a fixing seat 10 arranged on the sewing plate 2 and can penetrate in and out of the fixing seat 10, when penetrating, the two spacing bars are horizontally laid on five arc-shaped sewing openings 6 to form two rows of through holes, and two blank spaces 14 capable of knotting threads are manufactured for the shuttle needle; a bracket 15 is arranged on the machine box, a sliding rod 17 with a sewing head 16 is suspended at the top of the sewing plate 2, the sliding rod slides up and down in a sewing sliding sleeve 18, the lower section of the sewing sliding sleeve is connected with a rotating arm 19, the rotating arm is driven by a second motor 23 to enable the rotating arm to horizontally rotate, the sewing sliding sleeve 18 is fixedly arranged in a frame body 20, a rotating shaft 21 is fixed at the top of the frame body 20, the other end of the rotating shaft 21 is connected in a bearing seat 22, the bearing seat 22 is fixed on the bracket 15, a rack 24 is arranged on one side of the top of the sliding rod 17 in the vertical direction and is meshed with a third gear 25, and the third gear is driven by a; the bottom of the sliding rod 17 is provided with a sewing head 16, and a plurality of shuttle needles 27 are inserted below the sewing head 16; a sewing stop rod 28 is transversely arranged at the front part of the frame body 20, and a row of sewing holes 29 is transversely arranged at the front part of the upper section of the sliding rod; five crochet hooks 30 which can slide left and right and swing up and down are arranged below the arc-shaped sewing opening 6 and are sleeved on a horizontally arranged crochet hook rod 31, two ends of the crochet hook rod are sleeved on a bearing seat 32, and the end head of the right end of the crochet hook rod 31 is sleeved with a special-shaped gear 33; as shown in fig. 6, the special-shaped gear has a long-handle connecting part 33-1 and an arc-shaped tooth part 33-2, the arc-shaped tooth part is meshed with a fourth gear, and the fourth gear is driven by a fourth motor to drive the crochet needle head to swing up and down to hook the line; the bearing seat 32 and the fourth motor are arranged on a sliding platform 34, the sliding platform is connected on a slideway 35 in a sliding way, and the sliding platform 35 is driven by a fifth motor to drive the sliding platform to slide left and right so as to enable the crochet hook to move left and right integrally; the first motor, the second motor, the third motor, the fourth motor and the fifth motor are all controlled by a PLC controller; the power on-off of the PLC and the five motors is controlled by a foot switch 36 arranged at the bottom of the case.

The knitting method comprises the following steps: firstly, a thread ball 37 placed on a platform at the rear part of the case is pulled out, wound on a thread positioning wheel 38 arranged on a panel of the case, pulled down, wound in from the outside of a thread stop lever 28, penetrated into a thread hole 29, pulled down, penetrated through a needle hole of a shuttle needle and pulled out of a thread end; the foot switch is inching to rotate out the sewing plate, the arc-shaped press ring 7 is opened, the part of the broom to be sewn is placed on the arc-shaped sewing opening and is close to the side edges of the two rows of through holes, then the arc-shaped press ring is pressed down, the lock rod 11 is fastened in the lock hook, the broom is fixedly pressed, then the foot is trodden on the foot switch, the first motor drives the sewing plate to rotate and return, then the foot is trodden on the foot switch, the third motor drives the needle thread to move downwards, the fourth motor and the fifth motor drive respective gears to move, the crochet needle swings up and down and moves left and right to execute the crochet needle hooking process of 'crochet needle hooking/deviation/return', the first and second needles of the shuttle needle move in the through holes, the crochet needle hooks, deviates and returns, and then the knotting process is finished, then the needle thread moves upwards and returns, the sewing plate is rotated out by a set angle by the first motor, stops, and, thereby driving the sewing sliding sleeve to rotate, finally enabling the shuttle needles in the whole row to rotate in an arc shape, and enabling the rotating angle of the sewing plate controlled by the first motor to be synchronous with the rotating angle of the shuttle needles in the whole row controlled by the second motor, thereby enabling the sewing broom to be uniformly wired; and repeating the process until the program control program is finished, completing the sewing of one broom, and trimming by a trimmer to take out the sewn broom, as shown in figure 5. When the sliding rod moves upwards, the thread is blocked by the thread blocking rod, the sewing on the broom can be tensioned, and the effect of tightly winding the thread is achieved.

Claims

1. A knitting method of a besom automatic knitting machine is characterized in that: the broom is knitted by a knitting machine, at least one row of through holes are formed in the starting point of a shuttle needle walking line, during knitting, the part of the broom to be sewn is placed on an arc-shaped sewing opening of the knitting machine and is close to the side edges of the two rows of through holes, a shuttle needle belt thread penetrates through the through holes, and a crochet needle below the through holes hooks the thread to be knotted; the through holes are formed at intervals by at least one spacing bar arranged at one end of the outer side of the arc-shaped sewing opening; the adopted knitting machine is provided with a case, a sewing plate capable of horizontally rotating is arranged on the case, a plurality of arc-shaped sewing openings arranged in parallel are arranged in the middle of the sewing plate, an arc-shaped pressing ring is hinged to one end of each arc-shaped sewing opening in the length direction, and at least two spacing strips are movably inserted in the axial direction at intervals at one end of the outer side of each arc-shaped sewing opening on the outermost side; a sliding rod with a sewing head is suspended at the top of the sewing plate, the sliding rod slides up and down in a sewing sliding sleeve, the sewing sliding sleeve is connected with a rotating arm which can horizontally rotate, and a crochet hook which can slide left and right and swing up and down is arranged below the arc-shaped sewing opening; the sewing plate, the sewing head, the rotating arm and the crochet hook are all driven by respective driving devices, and each driving device is controlled by a controller.

2. The knitting method of the automatic broom knitting machine as claimed in claim 1, wherein: the bottom of the sewing plate is fixedly connected to a first gear through a connecting piece, the first gear is meshed with a second gear, and the second gear is driven by a first motor.

3. The knitting method of the automatic broom knitting machine as claimed in claim 2, characterized in that: the sewing sliding sleeve is fixedly arranged in a frame, the lower section of the sewing sliding sleeve is connected with the rotating arm, and the rotating arm is driven by a second motor; a rack is arranged on one side of the top of the sliding rod in the vertical direction, the rack is meshed with a third gear, and the third gear is driven by a third motor; a rotating shaft is fixed at the top of the frame body, and the other end of the rotating shaft is connected to a bearing seat on a bracket on the case; the bottom of the sliding rod is provided with the sewing head, and a plurality of shuttle needles are inserted under the sewing head.

4. Knitting method of automatic broom knitting machine according to claim 3, characterized in that: a suture stop rod is transversely arranged at the front part of the frame body; the front part of the upper section of the sliding rod is transversely provided with a row of suture holes.

5. Knitting method of automatic broom knitting machine according to claim 4 characterized in that: the hook needles are sleeved on a hook needle rod which is transversely arranged, two ends of the hook needle rod are sleeved on the bearing seat, the end head of one end of the hook needle rod is sleeved with a special-shaped gear, the special-shaped gear is provided with a long handle connecting part and an arc-shaped tooth part, the tooth part is meshed with a fourth gear, and the fourth gear is driven by a fourth motor; the bearing seat and the fourth motor are arranged on a sliding platform, the sliding platform is connected on a slideway in a sliding mode, and the sliding platform is driven by a fifth motor.

6. Knitting method of automatic broom knitting machine according to claim 5, characterized in that: a foot switch is arranged at the bottom of the case; the spacing bar is fixed by at least one fixed block and penetrates through a fixed seat arranged on the sewing plate.

7. Knitting method of automatic broom knitting machine according to claim 5, characterized in that: the controller is a PLC controller.