CN215481666U

CN215481666U - Belt fabric auxiliary traction device for sewing machine

Info

Publication number: CN215481666U
Application number: CN202121844412.5U
Authority: CN
Inventors: 白欢欢; 徐仲强; 苏建
Original assignee: Zhejiang Haiming Industrial Co ltd
Current assignee: Zhejiang Haiming Industrial Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-11
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to a banded fabric auxiliary traction device for a sewing machine, which solves the problems that the conventional sewing machine has high difficulty in pushing fabrics and is easy to influence operation due to material accumulation when narrow and long fabrics are sewn. This device sewing machine cylinder one end is equipped with the wheel, and the other end sets up and is used for sutural aircraft nose, sewing machine's platen one side is equipped with draw gear, draw gear includes the backup plate, backup plate one side is equipped with the holder fixed with the platen, and the backup plate opposite side is provided with two at least bearing frames, is provided with the pivot through the bearing between two bearing frames, and pivot one end is equipped with the driven pulleys who aligns with the wheel, sets up the drive belt between wheel and the driven pulleys, and the other end of pivot sets up the initiative and presss from both sides the roller, and one side of initiative clamp roller is leaned on and is set up driven clamp roller, and the ribbon fabric is sewed up the back through the aircraft nose and is worn to establish between initiative clamp roller and driven clamp roller. The utility model not only can provide traction force for drawing the strip-shaped fabric to move backwards at a constant speed, but also can finish the storage or rolling of the bagged fabric.

Description

Belt fabric auxiliary traction device for sewing machine

Technical Field

The utility model belongs to the field of garment and fabric processing equipment, relates to a sewing machine structure, and particularly relates to a banded fabric auxiliary traction device for a sewing machine.

Background

The sewing machine is a sewing device for clothes and fabrics, and the sewing machine needs to push the fabrics at a constant speed along the sewing direction in the sewing process to form uniform sewing lines. The sewing and pushing process is usually completed manually, and the requirement on operators is high. Moreover, when sewing strip-shaped or strip-shaped fabrics, because the fabrics are narrow and usually are continuously sewn in a large length, the difficulty of pushing the fabrics by operators is high, and even a large amount of sewn fabrics are stacked in the production process, which causes disorder on the table top and needs to be operated.

Disclosure of Invention

The utility model aims to solve the problems that the difficulty of pushing fabric is high and the operation is easily influenced by material accumulation when narrow and long fabrics are sewn by the conventional sewing machine, and provides a belt-shaped fabric auxiliary traction device for the sewing machine.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a draw gear is assisted to banded fabric for sewing machine, includes the platen, sets up the sewing machine main part on the platen, and sewing machine cylinder one end is equipped with the wheel, and the other end sets up and is used for sutural aircraft nose, its characterized in that: one side of platen is equipped with draw gear, draw gear is including leaning on the backup plate that the platen goes on fixing a position, and backup plate one side is equipped with the holder fixed with the platen, and the backup plate opposite side is provided with two at least bearing frames, is provided with the pivot through the bearing between two bearing frames, and pivot one end is equipped with the driven pulleys who aligns with the wheel, sets up the drive belt between wheel and the driven pulleys, and the other end of pivot sets up the initiative clamp roll, one side of initiative clamp roll is pasted and is leaned on and set up driven clamp roll, and the band-shaped fabric is worn to establish between initiative clamp roll and driven clamp roll after sewing up through the aircraft nose. The device is provided with a traction device on the output side of the sewing machine body, power is led out from the machine head of the sewing machine, the power is transmitted to a driven belt wheel through belt transmission, the driven belt wheel drives a rotating shaft, the rotating shaft drives a driving clamping roller, the driving clamping roller and the driven clamping roller are attached to form a pair roller, the band-shaped fabric sewn by the machine head is clamped between the driving clamping roller and the driven clamping roller and is conveyed backwards, a material receiving box can be adopted to receive the band-shaped fabric, elastic passive rolling can also be directly adopted on the rear side, for example, a rolling barrel with torsional pretightening force provided by a spring is adopted to carry out passive rolling, rolling can be directly finished, traction force for pulling the band-shaped fabric to move backwards at a constant speed can be provided, manpower is replaced, the storage or rolling of bagged fabric can be finished, and the operation influenced by disorder on a table plate is avoided. The traction device has small power demand, can directly utilize the output power of the wheel of the sewing machine and does not influence the work of the sewing machine, and can realize the uniform-speed automatic traction of the belt-shaped fabric only by reasonably configuring the outer diameter ratio of the driven belt wheel and the driving clamping roller. The driven pulley and the driving clamping roller can be changed in size as necessary to meet the requirements of various traction speeds.

Preferably, the driven clamping roller is arranged on the backup plate through an elastic swing arm, and a pre-tightening spring is arranged between the elastic swing arm and the backup plate. The driven clamping roller adopts an elastic swing arm to be attached to the driving clamping roller, so that not only can the attachment be ensured, but also the belt-shaped fabric can be conveniently fed into the belt-shaped fabric by opening the belt-shaped fabric when the belt-shaped fabric is started.

Preferably, the roller surfaces of the driving nip roller and the driven nip roller adopt colloid surfaces for increasing friction.

Preferably, a toothed belt transmission is adopted between the wheel and the driven pulley.

Preferably, the side surface of the wheel is coaxially fixed with the driving pulley or the wheel is directly processed into the driving pulley.

Preferably, the rotating shaft is a single straight coupling body.

As another preferred scheme, the middle section of the rotating shaft which is of a segmented structure is provided with a speed reducer, the input end of the rotating shaft of the speed reducer is connected with a driven belt pulley, and the output end of the rotating shaft of the speed reducer is connected with a driving clamping roller.

The utility model not only can provide traction force for drawing the strip-shaped fabric to move backwards at a constant speed to replace manpower, but also can finish the storage or the rolling of the bagged fabric, thereby avoiding the operation from being influenced by disorder on the bedplate.

Drawings

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a first structural schematic diagram of the present invention.

FIG. 2 is a schematic view of the construction of the drive nip roll and the driven nip roll of the present invention.

Fig. 3 is a second structural diagram of the present invention.

In the figure: 1. the sewing machine comprises a table plate, 2, a sewing machine body, 3, a machine wheel, 4, a machine head, 5, a backup plate, 6, a clamping seat, 7, a bearing seat, 8, a rotating shaft, 9, a driven belt wheel, 10, a driving belt, 11, a driving clamping roller, 12, a driven clamping roller, 13, an elastic swing arm, 14, a belt-shaped fabric, 15 and a speed reducer.

Detailed Description

The utility model is further illustrated by the following specific examples in conjunction with the accompanying drawings.

Example 1: a webbing auxiliary traction device for a sewing machine is shown in figure 1. The device comprises a table plate 1, wherein a sewing machine main body 2 is arranged on the table plate, one end of a sewing machine cylinder is provided with a machine wheel 3, and the other end of the sewing machine cylinder is provided with a machine head 4 for sewing. The bedplate is equipped with draw gear at the aircraft nose output side, draw gear is including leaning on the backup plate 5 that the bedplate goes on fixing a position, and backup plate 5 one side is equipped with two holders 6 fixed with bedplate 1, and two holders are close to the both ends setting of backup plate. The other side of the backup plate 5 is provided with at least two bearing seats 7, a rotating shaft 8 penetrates through the bearings between the two bearing seats 7, one end of the rotating shaft 8 is provided with a driven belt wheel 9 aligned with the wheel, the wheel 3 serves as a driving belt wheel, a transmission belt 10 is arranged between the wheel 3 and the driven belt wheel 9, and the transmission belt uses a toothed belt to ensure a stable transmission ratio. The other end of the rotating shaft 8 is provided with a driving nip roller 11, one side of the driving nip roller 11 is attached to and provided with a driven nip roller 12, and the ribbon-shaped fabric 14 is sewed through the machine head 3 and then is arranged between the driving nip roller 11 and the driven nip roller 12 in a penetrating way.

As shown in fig. 2, the driven nip roller 12 is disposed on the backup plate 5 through an elastic swing arm 13, and a pre-tightening spring is disposed between the elastic swing arm 13 and the backup plate 5 to ensure that the driven nip roller 12 is attached to the surface of the driving nip roller 11.

The device draws power from the head of the sewing machine, transmits the power to the driven belt wheel through belt transmission, the driven belt wheel drives the rotating shaft, the rotating shaft drives the driving clamping roller, the driving clamping roller and the driven clamping roller are attached to form a pair roller, the banded fabric sewn by the head is clamped between the driving clamping roller and the driven clamping roller and is conveyed backwards, the banded fabric can be accepted by an article receiving box, the rolling cylinder with torsional pretightening force can be provided by springs at the rear sides of the driving clamping roller and the driven clamping roller to perform passive rolling, and the rolling can be directly completed.

Example 2: a webbing auxiliary traction device for a sewing machine is shown in fig. 3. The device comprises a table plate 1, wherein a sewing machine main body 2 is arranged on the table plate, one end of a sewing machine cylinder is provided with a machine wheel 3, and the other end of the sewing machine cylinder is provided with a machine head 4 for sewing. The bedplate is equipped with draw gear at the aircraft nose output side, draw gear is including leaning on the backup plate 5 that the bedplate goes on fixing a position, and backup plate 5 one side is equipped with two holders 6 fixed with bedplate 1, and two holders are close to the both ends setting of backup plate. The other side of the backup plate 5 is provided with at least two bearing seats 7, a rotating shaft 8 is arranged between the two bearing seats 7 in a penetrating mode through a bearing, the rotating shaft is of a sectional type, a speed reducer 15 is arranged between the two bearing seats 7, the speed reducer is fixedly supported by the backup plate, the rotating shaft input end of the speed reducer is connected with a driven belt pulley 9, and the rotating shaft output end of the speed reducer is connected with a driving clamping roller 11.

The driven pulley 9 is aligned with the wheel 3 as a driving pulley, and a transmission belt 10 is arranged between the wheel 3 and the driven pulley 9, and the transmission belt is a toothed belt to ensure a stable transmission ratio. The driving nip roller 11 is aligned with the machine head, one side of the driving nip roller 11 is attached with the driven nip roller 12, and the belt-shaped fabric 14 is sewed by the machine head 3 and then is arranged between the driving nip roller 11 and the driven nip roller 12 in a penetrating way.

Claims

1. The utility model provides a draw gear is assisted to banded fabric for sewing machine, includes the platen, sets up the sewing machine main part on the platen, and sewing machine cylinder one end is equipped with the wheel, and the other end sets up and is used for sutural aircraft nose, its characterized in that: one side of platen is equipped with draw gear, draw gear is including leaning on the backup plate that the platen goes on fixing a position, and backup plate one side is equipped with the holder fixed with the platen, and the backup plate opposite side is provided with two at least bearing frames, is provided with the pivot through the bearing between two bearing frames, and pivot one end is equipped with the driven pulleys who aligns with the wheel, sets up the drive belt between wheel and the driven pulleys, and the other end of pivot sets up the initiative clamp roll, one side of initiative clamp roll is pasted and is leaned on and set up driven clamp roll, and the band-shaped fabric is worn to establish between initiative clamp roll and driven clamp roll after sewing up through the aircraft nose.

2. The webbing auxiliary pulling device for a sewing machine according to claim 1, wherein: the driven clamping roller is arranged on the backup plate through an elastic swing arm, and a pre-tightening spring is arranged between the elastic swing arm and the backup plate.

3. The webbing auxiliary pulling device for a sewing machine according to claim 1, wherein: the roller surfaces of the driving clamping roller and the driven clamping roller adopt colloid surfaces for increasing friction.

4. A webbing auxiliary traction apparatus for a sewing machine according to claim 1, 2 or 3, wherein: and the machine wheel and the driven belt wheel are driven by a toothed belt.

5. The webbing auxiliary pulling device for a sewing machine according to claim 4, wherein: and the side surface of the airplane wheel is coaxially fixed with a driving belt wheel or the airplane wheel is directly processed into the driving belt wheel.

6. A webbing auxiliary traction apparatus for a sewing machine according to claim 1, 2 or 3, wherein: the rotating shaft is a single straight coupling body.

7. A webbing auxiliary traction apparatus for a sewing machine according to claim 1, 2 or 3, wherein: the middle section of the rotating shaft which is of a segmented structure is provided with a speed reducer, the rotating shaft input end of the speed reducer is connected with a driven belt pulley, and the rotating shaft output end of the speed reducer is connected with a driving clamping roller.