CN210314713U

CN210314713U - Driving device for step-by-step needle selection

Info

Publication number: CN210314713U
Application number: CN201920809786.XU
Authority: CN
Inventors: 黄超晨; 李吉生
Original assignee: Shaoxing Qiangsheng Precision Machinery Co ltd
Current assignee: Shaoxing Qiangsheng Precision Machinery Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-14
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a drive arrangement who selects needle step by step, including the frame, one side of frame is rotated through the pivot and is connected with the needle cylinder of selecting of two parallels, and the opposite side of frame is equipped with two mount pads, installs driving motor and worm in the mount pad, installs power gear on driving motor's the power shaft, and the one end of worm is connected with the driven gear with power gear meshing, is connected with the helical gear with worm meshing in the pivot. The utility model discloses well two select the needle cylinder to adopt dual drive motor substep drive, have increased the independence and the flexibility of selecting the needle cylinder, when selecting the needle step by step, select the needle cylinder and just select the needle after the aircraft nose shifts out to weave the district, have increased the selection needle time of selecting the needle cylinder than the synchronous drive mode, have reduced driving motor and have required with higher speed in the twinkling of an eye, reduce motor cost, improve productivity effect.

Description

Driving device for step-by-step needle selection

Technical Field

The utility model relates to a knitting mechanical equipment technical field, more specifically relate to a drive arrangement who selects needle step by step.

Background

The needle selection rollers of the existing glove knitting machine are mostly designed coaxially, synchronous motion of the front needle selection roller and the rear needle selection roller is realized, and a driving device is required to simultaneously drive the two rollers in a short time, so that the driving motor is large in power, large in occupied volume during installation, and difficult in production, operation, installation and debugging. In actual weaving, two roller needle selection are alternately used, the power of a driving motor is wasted due to a synchronous driving design mode, the production cost is increased, and the economic benefit of an enterprise is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a select substep drive arrangement of needle cylinder has increased two independencies and the flexibility of selecting the needle cylinder, has increased and has selected the needle cylinder to select the needle time, has reduced the motor and has accelerated the requirement in the twinkling of an eye, reduces motor cost.

In order to achieve the above purpose, the utility model provides a following technical scheme: the driving device comprises a rack, wherein one side of the rack is rotatably connected with two parallel needle selecting rollers through a rotating shaft, the other side of the rack is provided with two mounting seats, a driving motor and a worm are mounted in the mounting seats, a power shaft of the driving motor is provided with a power gear, one end of the worm is connected with a driven gear meshed with the power gear, and the rotating shaft is connected with a helical gear meshed with the worm. One side of the rack is provided with two parallel rotatable rotating shafts, each rotating shaft is provided with a needle selection roller, the back of the rack is provided with two mounting seats which are respectively arranged corresponding to the two needle selection rollers, and a driving motor is arranged in each mounting seat. When the needle selecting roller works, the two driving motors respectively operate, the power gear arranged on the power shaft rotates to drive the driven gear meshed with the power shaft to rotate, the driven gear is connected to the rotating shaft of the worm, so that the rotation of the worm is realized, the worm rotates to drive the helical gear meshed with the worm to rotate, and the helical gear is fixedly arranged on the rotating shaft, so that the rotating shaft drives the needle selecting roller to realize step-by-step driving. The utility model discloses well two select the needle cylinder to adopt dual drive motor substep drive, have increased the independence and the flexibility of selecting the needle cylinder, when selecting the needle step by step, select the needle cylinder and just select the needle after the aircraft nose shifts out to weave the district, have increased the selection needle time of selecting the needle cylinder than the synchronous drive mode, have reduced driving motor and have required with higher speed in the twinkling of an eye, reduce motor cost, improve productivity effect.

Furthermore, the both ends of mount pad are equipped with and are used for the installation the mounting hole of worm, the worm with motor parallel mount, worm and motor install in a mount pad and parallel arrangement jointly, compact structure saves installation space and unnecessary part.

Furthermore, the two sides of the mounting seat are arranged at the position of the mounting hole and are provided with a U-shaped groove which is communicated upwards, the U-shaped groove which is communicated upwards is arranged above the mounting hole, and the worm is directly placed in the mounting hole through the U-shaped groove, so that the worm is convenient to mount, maintain and adjust.

Furthermore, be connected with the housing on the mount pad, power gear and driven gear install in the housing, and the housing prevents that dust and debris from getting into inside, prolongs driving motor, power gear and driven gear's life.

Furthermore, the power gears, the driven gears and the housing on the two sides are all arranged on the inner side of the rack, and the power shaft ends of the two motors are oppositely arranged on the inner side of the rack, so that redundant space inside the rack is occupied, the whole structure of the rack is compact, and the installation space is saved.

To sum up, the utility model has the advantages that:

1. the dual-drive motor is adopted to drive the two needle selection rollers independently, so that the independence and flexibility of the operation of the needle selection rollers are ensured.

2. The step-by-step driving reduces the trouble that the coaxial operation of the two needle selecting rollers needs to be accurately adjusted during installation, and is beneficial to debugging in the production and maintenance processes.

3. The driving mechanism adopts the motor to indirectly drive through the worm gear mechanism, the transmission ratio is large, the transmission is stable, the defect that the motor directly drives the needle selection roller to rotate in the traditional driving mode is overcome, the driving load of the driving motor is reduced, the burden is lightened, the service life of the driving motor is prolonged, the rotation angle of the needle selection roller can be set according to the requirement, and the needle selection accuracy is improved.

4. The utility model discloses overall structure designs compactly, saves installation space.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a rear view of the structure of the present invention;

fig. 4 is a perspective view of the structure of the middle mounting seat of the present invention.

Description of the labeling: 1. a drive motor; 2. a power gear; 3. a housing; 4. a driven gear; 5. a worm; 6. a helical gear; 7. a rotating shaft; 8. a needle selection roller; 9. a frame; 10. a mounting seat; 11. mounting holes; 12. a U-shaped groove.

Detailed Description

A further description will be given of a specific embodiment of the step-by-step needle selecting drive device according to the present invention with reference to fig. 1 to 4.

The driving device for step-by-step needle selection comprises a rack 9, wherein one side of the rack 9 is rotatably connected with two parallel needle selection rollers 8 through a rotating shaft 7, the other side of the rack 9 is provided with two mounting seats 10, a driving motor 1 and a worm 5 are mounted in the mounting seats 10, a power gear 2 is mounted on a power shaft of the driving motor 1, one end of the worm 5 is connected with a driven gear 4 meshed with the power gear 2, and a helical gear 6 meshed with the worm 5 is connected on the rotating shaft 7. Two rotatable rotating shafts 7 which are parallel side by side are arranged on one side of a rack 9, a needle selecting roller 8 is arranged on each rotating shaft 7, two mounting seats 10 are arranged on the back surface of the rack 9 and respectively correspond to the two needle selecting rollers 8, and a driving motor 1 is arranged in each mounting seat 10.

When the needle selecting device works, the two driving motors 1 respectively operate, the power gear 2 arranged on the power shaft rotates to drive the driven gear 4 meshed with the power gear to rotate, the driven gear 4 is connected to the rotating shaft of the worm 5, so that the rotation of the worm 5 is realized, the worm 5 rotates to drive the helical gear 6 meshed with the worm to rotate, and the helical gear 6 is fixedly arranged on the rotating shaft 7, so that the rotating shaft 7 drives the needle selecting roller 8 to realize step-by-step driving. The utility model discloses well two select needle cylinder 8 to adopt the drive of dual drive motor 1 substep, have increased independence and the flexibility of selecting needle cylinder 8, when selecting the needle step by step, select needle cylinder 8 can shift out at the aircraft nose and just select the needle after weaving the district, have increased the select needle time of selecting needle cylinder 8 than the synchronous drive mode, have reduced driving motor 1 and have required with higher speed in the twinkling of an eye, reduce motor cost, improve the productivity effect.

In the preferred embodiment, the two ends of the mounting seat 10 are provided with the mounting holes 11 for mounting the worm 5, the worm 5 and the motor are mounted in parallel, and the worm 5 and the motor are mounted in the mounting seat 10 together and arranged in parallel, so that the structure is compact, and the mounting space and unnecessary parts are saved.

In this embodiment, preferably, the two sides of the mounting seat 10 are provided with a U-shaped groove 12 penetrating upwards at the mounting hole 11, the U-shaped groove 12 penetrating upwards is arranged above the mounting hole 11, and the worm 5 is directly placed in the mounting hole 11 through the U-shaped groove 12, so that the installation, maintenance and adjustment of the worm 5 are facilitated.

In the preferred embodiment, the mounting seat 10 is connected with the housing 3, the power gear 2 and the driven gear 4 are mounted in the housing 3, the housing 3 prevents dust and impurities from entering the interior, and the service lives of the driving motor 1, the power gear 2 and the driven gear 4 are prolonged.

In the preferred embodiment, the power gear 2, the driven gear 4 and the housing 3 are arranged on the inner side of the frame 9, and the power shaft ends of the two motors are arranged on the inner side of the frame 9 oppositely to occupy the redundant space inside the frame 9, so that the whole structure of the frame 9 is compact, and the installation space is saved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A drive device for step-by-step needle selection is characterized in that: the needle selection device comprises a rack, wherein two parallel needle selection rollers are rotatably connected to one side of the rack through a rotating shaft, two mounting seats are arranged on the other side of the rack, a driving motor and a worm are mounted in the mounting seats, a power gear is mounted on a power shaft of the driving motor, one end of the worm is connected with a driven gear meshed with the power gear, and a helical gear meshed with the worm is connected to the rotating shaft.

2. The stepwise needle selection driving device according to claim 1, wherein: the two ends of the mounting seat are provided with mounting holes for mounting the worm, and the worm and the motor are mounted in parallel.

3. The stepwise needle selection driving device according to claim 2, wherein: and U-shaped grooves which are communicated upwards are formed in the mounting holes on the two sides of the mounting seat.

4. The stepwise needle selection driving device according to claim 2, wherein: the mounting seat is connected with a housing, and the power gear and the driven gear are mounted in the housing.

5. The stepwise needle selection driving device according to claim 4, wherein: the power gear, the driven gear and the housing are arranged on the inner side of the rack.