CN216639840U

CN216639840U - Auxiliary roller driving mechanism of computerized flat knitting machine

Info

Publication number: CN216639840U
Application number: CN202220093612.XU
Authority: CN
Inventors: 高铭伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-05-31
Anticipated expiration: 2032-01-14

Abstract

The utility model provides a supplementary roller actuating mechanism of computerized flat knitting machine, includes preceding roller, back roller, left wallboard and right wallboard, preceding roller and back roller front and back symmetry set up, and all are located between left wallboard and the right wallboard, the tip of preceding roller and back roller all is equipped with the rotating electrical machines, the rotating electrical machines is used for ordering about preceding roller and back roller rotatory around self axis, wherein, install the lead screw synchronous drive mechanism who is used for ordering about preceding roller and back roller simultaneously outside or while inside motion on left side wallboard and the right wallboard. The utility model adjusts the distance between the front roller and the back roller through the screw rod synchronous driving mechanism, and because the rotary power of the screw rod is directly transmitted to the front roller and the back roller, the clamping stagnation phenomenon can not occur when the distance between the front roller and the back roller is adjusted, on the contrary, the operation can be very smooth, and the adjusting precision can also be well ensured.

Description

Auxiliary roller driving mechanism of computerized flat knitting machine

Technical Field

The utility model relates to the technical field of computerized flat knitting machines, in particular to an auxiliary roller driving mechanism of a computerized flat knitting machine.

Background

As is known, a roller is a necessary device for pulling a knitted fabric in a computerized flat knitting machine, and has the function of clamping and pulling the knitted fabric formed by a knitting mechanism downwards so as to realize the functions of knitting by latch needles, needle turning and the like.

The rollers symmetrically arranged in front and back on the traditional computerized flat knitting machine cannot adjust relative positions, when braided fabrics with different thicknesses are required, a worker is required to manually adjust the distance between the two rollers, so that the operation is not only troublesome, but also the adjusting precision is not high.

Later, some manufacturers specially design corresponding driving mechanisms, and although the driving mechanisms automatically adjust the distance between two rollers symmetrically arranged front and back during operation, the power of the driving mechanisms is transmitted in sequence through a pin shaft, a swing rod, a transmission shaft, a cam, a gear and the like, so that clamping stagnation is easily caused during actual operation, and the adjustment precision of the driving mechanisms needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an auxiliary roller driving mechanism of a computerized flat knitting machine, which has the advantages of simple structure, high adjustment precision and good stability during working.

The utility model provides an auxiliary roller driving mechanism of a computerized flat knitting machine, which comprises a front roller, a rear roller, a left wall plate and a right wall plate, wherein the front roller and the rear roller are symmetrically arranged in front and back and are positioned between the left wall plate and the right wall plate, the end parts of the front roller and the rear roller are respectively provided with a rotating motor, the rotating motors are used for driving the front roller and the rear roller to rotate around the axis of the rotating motors, and the left wall plate and the right wall plate are provided with screw rod synchronous driving mechanisms used for driving the front roller and the rear roller to move outwards or inwards simultaneously.

The utility model relates to an auxiliary roller driving mechanism of a computerized flat knitting machine, wherein a screw rod synchronous driving mechanism comprises a left stepping motor, a left screw rod, a left rear screw sleeve, a left front screw sleeve, a right stepping motor, a right screw rod, a right rear screw sleeve and a right front screw sleeve; the left stepping motor is installed on a left wall plate, the end part of the left screw rod is connected with a rotating shaft of the left stepping motor, threads with opposite rotation directions are arranged at the front part and the rear part of the peripheral wall of the left screw rod, a left rear screw sleeve and a left front screw sleeve are sleeved on the left screw rod and are respectively connected with the threads at the rear part and the front part, the left end of the rear roller is connected with the left rear screw sleeve through a left supporting seat, a rotating motor installed at the left end of the front roller is connected with the left front screw sleeve through a left motor seat, and the front end and the rear end of the left screw rod are installed on the left wall plate through a left bearing seat; the right step motor is installed on the right wall board, the tip of right lead screw is connected with the pivot of right step motor, and the front portion and the rear portion of right lead screw periphery wall are equipped with the opposite screw thread of direction of rotation, right back swivel nut and right front swivel nut all overlap on the right lead screw, and respectively with rear portion and anterior threaded connection, the rotating electrical machines of back roller right-hand member installation passes through right motor cabinet and is connected with right back swivel nut, preceding roller right-hand member passes through right bearing and right front swivel nut and is connected, both ends all install on the right wall board through right bearing frame around the right lead screw.

The auxiliary roller driving mechanism of the computerized flat knitting machine is characterized in that a left sliding rail assembly is arranged between the left motor seat and the left wall plate and between the left supporting seat and the left wall plate.

The utility model relates to an auxiliary roller driving mechanism of a computerized flat knitting machine, wherein a right sliding rail assembly is arranged between a right motor seat and a right wall plate and between a right supporting seat and the right wall plate.

The auxiliary roller driving mechanism of the computerized flat knitting machine is characterized in that a starting bottom plate is arranged under a clamping cavity formed between a front roller and a rear roller, a composite needle is arranged on the starting bottom plate, a vertical hanging plate is arranged at the bottom of the starting bottom plate, a composite needle opening and closing motor is arranged at the bottom of the vertical hanging plate, a screw rod is arranged on a rotating shaft of the composite needle opening and closing motor, a swing rod is arranged on the vertical hanging plate, the middle of the swing rod is hinged with the vertical hanging plate, the bottom of the swing rod is in threaded connection with the screw rod, and the top of the swing rod is connected with an opening and closing slide rod of the composite needle.

After adopting the structure, compared with the prior art, the auxiliary roller driving mechanism of the computerized flat knitting machine has the following advantages: compared with the prior art that when the distance between two rollers symmetrically arranged in front and back is automatically adjusted, power needs to be transmitted in sequence through a pin shaft, a swing rod, a transmission shaft, a cam, a gear and the like, so that the clamping stagnation phenomenon is different, the screw rod synchronous driving mechanism for driving the front roller and the back roller to move outwards or inwards simultaneously is arranged on the left wall plate and the right wall plate, namely, the distance between the front roller and the back roller is adjusted through the screw rod synchronous driving mechanism, and the rotating power of the screw rod is directly transmitted to the front roller and the back roller, so that the clamping stagnation phenomenon cannot occur when the distance between the front roller and the back roller is adjusted, on the contrary, the operation is very smooth, and the adjusting precision can be well guaranteed. In addition, the utility model has the advantages of relatively few parts, simple structure and high stability in working.

Drawings

FIG. 1 is a schematic diagram of a right perspective structure of an auxiliary roller driving mechanism of a computerized flat knitting machine according to the present invention;

FIG. 2 is a schematic perspective view of the screw synchronous drive mechanism of FIG. 1 coupled to front and rear rollers;

fig. 3 is a left perspective view of fig. 1.

Detailed Description

The auxiliary roller driving mechanism of the computerized flat knitting machine is further described in detail with reference to the accompanying drawings and the detailed implementation mode:

as shown in fig. 1, 2 and 3, in this embodiment, the auxiliary roller driving mechanism of the computerized flat knitting machine of the present invention includes a front roller 10, a back roller 9, a left wall plate 6 and a right wall plate 7, the front roller 10 and the back roller 9 are symmetrically arranged in front and back, and are both located between the left wall plate 6 and the right wall plate 7, the ends of the front roller 10 and the back roller 9 are both provided with a rotating motor 14, the rotating motor 14 is used for driving the front roller 10 and the back roller 9 to rotate around their axes, and the left wall plate 6 and the right wall plate 7 are provided with a screw rod synchronous driving mechanism for driving the front roller 10 and the back roller 9 to move outwards or inwards simultaneously. During actual work, the distance between the front roller 10 and the rear roller 9 can be adjusted through the screw rod synchronous driving mechanism according to the thickness of the braided fabric, and the rotating power of the screw rod is directly transmitted to the front roller and the rear roller, so that the clamping stagnation phenomenon cannot occur when the distance between the front roller and the rear roller is adjusted, on the contrary, the operation is very smooth, and the adjusting precision can be well guaranteed.

The screw rod synchronous driving mechanism comprises a left stepping motor 12, a left screw rod 18, a left rear screw sleeve 19, a left front screw sleeve 17, a right stepping motor 23, a right screw rod 25, a right rear screw sleeve 22 and a right front screw sleeve 27.

The left stepping motor 12 is installed on the left wall plate 6 through bolts; the rear end of the left screw rod 18 is connected with the rotating shaft of the left stepping motor 12; the front part and the rear part of the outer peripheral wall of the left screw rod 18 are provided with threads with opposite rotation directions, namely, one is left-handed and the other is right-handed; the left rear screw sleeve 19 and the left front screw sleeve 17 are sleeved on the left screw rod 18 and are respectively connected with the rear part and the front part through threads; the left end of the rear roller 9 is connected with a left rear screw sleeve 19 through a left supporting seat 13, and a rotating motor 14 arranged at the left end of the front roller 10 is connected with a left front screw sleeve 17 through a speed reducer 141 and a left motor seat 11; the front end and the rear end of the left screw rod 18 are both arranged on the left wall plate 6 through a left bearing seat 16. The reducer 141 is used for reducing the speed of the rotating motor 14, and a reducer motor is available in the market at present, that is, the reducer and the motor are integrated, so that the reducer motor can be directly mounted on the left motor base 11, and the reducer motor is conventional technology, and the left stepping motor 12 can be purchased in the market, and as for a specific model, a person skilled in the art can select the type according to the requirement of the person, and the technical difficulty is avoided.

The right stepping motor 23 is mounted on the right wall plate 7 through a bolt; the rear end of the right screw rod 25 is connected with the rotating shaft of the right stepping motor 23; the front part and the rear part of the peripheral wall of the right screw rod 25 are provided with threads with opposite turning directions, and the specific turning direction is the same as the threads on the left screw rod 18; the right rear screw sleeve 22 and the right front screw sleeve 27 are sleeved on the right screw rod 25 and are respectively connected with the rear part and the front part through threads; a rotating motor 14 arranged at the right end of the rear roller 9 is also connected with a right rear screw sleeve 22 through a speed reducer and a right motor base 24, and the right end of the front roller 10 is connected with a right front screw sleeve 27 through a right supporting seat 20; the front end and the rear end of the right screw rod 25 are both arranged on the right wall plate 7 through a right bearing seat 28. The reducer is also used for reducing the speed of the rotating electric machine 14, and the reducer motors are commercially available at present, that is, the reducer and the motor are integrated, so that the reducer motor can be directly mounted on the right motor base 24, which are conventional technologies, the right stepping motor 23 can be commercially available, and as for specific models, a person skilled in the art can select the type according to the needs of the person.

Because the left wall plate 6 and the right wall plate 7 are respectively provided with the left stepping motor 12 and the right stepping motor 23, when the device is in actual operation, the left stepping motor 12 and the right stepping motor 23 rotate, the front roller 10 and the rear roller 9 can be synchronously adjusted inwards or outwards, the left end and the right end of the two rollers can be adjusted quickly and slowly, or the left end or the right end of the two rollers can be independently adjusted to adapt to the traction of special braided fabrics.

In order to further ensure the stability when the front roller 10 and the rear roller 9 which are arranged in front and at the back synchronously move inwards or outwards, a left slide rail assembly 15 is arranged between the left motor seat 11 and the left wall plate 6 and between the left supporting seat 13 and the left wall plate 6, and a right slide rail assembly 21 is also arranged between the right motor seat 24 and the right wall plate 7 and between the right supporting seat 20 and the right wall plate 7.

A starting bottom plate 1 is arranged under a clamping cavity 8 formed between a front roller 10 and a rear roller 9, a composite needle is installed on the starting bottom plate 1, a vertical hanging plate 5 is installed at the bottom of the starting bottom plate 1, a composite needle opening and closing motor 4 is installed at the bottom of the vertical hanging plate 5, and a screw rod 3 is installed on a rotating shaft of the composite needle opening and closing motor 4. The vertical hanging plate 5 is provided with a swing rod 2, the middle part of the swing rod 2 is hinged with the vertical hanging plate 5 through a pin shaft, the bottom of the swing rod 2 is in threaded connection with a screw rod 3 through a threaded sleeve, and the top of the swing rod 2 is connected with an opening and closing slide rod of the compound needle. The mounting structure and the opening and closing structure of the composite needle are conventional in the prior art at present, and the application is improved by the following steps: the compound needle opening and closing motor 4 drives the screw rod 3 to drive the swing rod 2 to swing, so that the compound needle is opened and closed, the compound needle is driven to swing by a cam structure at the bottom of the swing rod 2 originally, and the phenomenon of blocking is easy to occur in the working process, so that the applicant designs the driving structure. The compound needle opening and closing motor 4 is a stepping motor, belongs to a product sold in the market, and can be selected by a person with ordinary skill in the art according to the requirement of the person, so that the details are not repeated.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should fall within the protection scope of the present invention without departing from the design spirit of the present invention.

Claims

1. The utility model provides a supplementary roller actuating mechanism of computerized flat knitting machine, includes front roller (10), back roller (9), left wallboard (6) and right wallboard (7), front roller (10) and back roller (9) front and back symmetry set up, and all are located between left wallboard (6) and right wallboard (7), rotating electrical machines (14) are all equipped with to the tip of front roller (10) and back roller (9), rotating electrical machines (14) are used for ordering about front roller (10) and back roller (9) rotatory around self axis, its characterized in that: and the left wall plate (6) and the right wall plate (7) are provided with screw rod synchronous driving mechanisms for driving the front roller (10) and the rear roller (9) to move outwards or inwards simultaneously.

2. The auxiliary roller driving mechanism of the computerized flat knitting machine according to claim 1, wherein: the screw rod synchronous driving mechanism comprises a left stepping motor (12), a left screw rod (18), a left rear threaded sleeve (19), a left front threaded sleeve (17), a right stepping motor (23), a right screw rod (25), a right rear threaded sleeve (22) and a right front threaded sleeve (27);

the left stepping motor (12) is installed on a left wall plate (6), the end part of a left screw rod (18) is connected with a rotating shaft of the left stepping motor (12), threads with opposite rotation directions are arranged at the front part and the rear part of the peripheral wall of the left screw rod (18), a left rear screw sleeve (19) and a left front screw sleeve (17) are sleeved on the left screw rod (18) and are respectively connected with the rear part and the front part of the screw rod, the left end of a rear roller (9) is connected with the left rear screw sleeve (19) through a left supporting seat (13), a rotating motor (14) installed at the left end of a front roller (10) is connected with the left front screw sleeve (17) through a left motor seat (11), and the front end and the rear end of the left screw rod (18) are installed on the left wall plate (6) through a left bearing seat (16);

right step motor (23) is installed on right wallboard (7), the tip of right lead screw (25) is connected with the pivot of right step motor (23), and the front portion and the rear portion of right lead screw (25) periphery wall are equipped with the opposite screw of direction of rotation, right back swivel nut (22) and right front swivel nut (27) all overlap on right lead screw (25), and respectively with rear portion and anterior threaded connection, rotating electrical machines (14) of back roller (9) right-hand member installation are connected with right back swivel nut (22) through right motor cabinet (24), front roller (10) right-hand member is connected with right front swivel nut (27) through right bearing seat (20), both ends are all installed on right wallboard (7) through right bearing seat (28) around right lead screw (25).

3. The auxiliary roller driving mechanism of the computerized flat knitting machine according to claim 2, characterized in that: and a left sliding rail assembly (15) is arranged between the left motor seat (11) and the left wallboard (6) and between the left supporting seat (13) and the left wallboard (6).

4. The auxiliary roller driving mechanism of the computerized flat knitting machine according to claim 3, characterized in that: and a right sliding rail assembly (21) is arranged between the right motor seat (24) and the right wallboard (7) and between the right supporting seat (20) and the right wallboard (7).

5. The auxiliary roller driving mechanism for a computerized flat knitting machine according to any one of claims 1 to 4, characterized in that: preceding roller (10) and back roller (9) between centre gripping chamber (8) that form be equipped with under open bottom plate (1), open the compound needle that is equipped with on bottom plate (1), open the bottom of bottom plate (1) and install vertical link plate (5), the bottom of vertical link plate (5) is equipped with compound needle and opens and shut motor (4), install screw rod (3) in the pivot of compound needle motor (4) that opens and shuts, be equipped with pendulum rod (2) on vertical link plate (5), the middle part and vertical link plate (5) of pendulum rod (2) are articulated, the bottom and the screw rod (3) threaded connection of pendulum rod (2), the top of pendulum rod (2) and the sliding rod connection that opens and shuts of compound needle.