阅读说明：本技术 一种步进电机送料、滑杆传动的钉扣机 (Stepping motor feeding and slide bar transmission button sewing machine ) 是由 何洗源 冯志法 张超波 吴明明 于 2020-08-17 设计创作，主要内容包括：本发明公开了一种步进电机送料、滑杆传动的钉扣机,包括：机座、Y向步进电机、Y向送料杠杆、Y向偏心轮、Y向送料连接杆、送料滑板、X向步进电机、X向偏心轮、X向送料杠杆、X向送料连接杆。通过两个步进电机和两组滑杆送料机构,可实现送料滑板在两个方向的送料动作,不仅结构简单、便于制造,还可避免机器卡死、跑位的现象出现,而且还可根据电控程序设置走线轨迹,丰富了钉扣花样。此外通过电机代替传统的曲线凸轮送料,可以提高转速,进而提高工作效率。(The invention discloses a button sewing machine with stepping motor feeding and slide bar transmission, comprising: the device comprises a base, a Y-direction stepping motor, a Y-direction feeding lever, a Y-direction eccentric wheel, a Y-direction feeding connecting rod, a feeding sliding plate, an X-direction stepping motor, an X-direction eccentric wheel, an X-direction feeding lever and an X-direction feeding connecting rod. Through two step motor and two sets of slide bar feeding mechanism, can realize the pay-off action of pay-off slide in two directions, not only simple structure, the manufacturing of being convenient for still can avoid the phenomenon of machine card death, off position to appear, but also can set up according to automatically controlled procedure and walk the line orbit, richened the button sewing style. In addition, the motor replaces the traditional curve cam for feeding, so that the rotating speed can be increased, and the working efficiency is improved.)

1. The utility model provides a step motor pay-off, driven button sewing machine of slide bar which characterized in that includes: the device comprises a base, a Y-direction stepping motor, a Y-direction feeding lever, a Y-direction eccentric wheel, a Y-direction feeding connecting rod, a feeding sliding plate, an X-direction stepping motor, an X-direction eccentric wheel, an X-direction feeding lever and an X-direction feeding connecting rod;

the Y-direction feeding lever is hinged to the base through a first positioning pin, a first sliding groove is formed in one end of the Y-direction feeding lever, the Y-direction stepping motor is connected with the Y-direction eccentric wheel, a Y-direction sliding block is arranged on the Y-direction eccentric wheel and located in the first sliding groove, the other end of the Y-direction feeding lever is hinged to one end of a Y-direction feeding connecting rod, and the other end of the Y-direction feeding connecting rod is hinged to the feeding sliding plate through a hinge shaft;

x passes through the second locating pin to the one end of pay-off lever and articulates on the frame, the other end with X is connected to the one end of pay-off connecting rod, X to the other end of pay-off connecting rod with the pay-off slide is connected, X is equipped with the second spout on the body of rod to the pay-off lever, X to step motor with X is connected to the eccentric wheel, X is equipped with X to the slider on to the eccentric wheel, X is located to the slider in the second spout.

2. The button attaching machine according to claim 1, further comprising a connecting plate, one end of which is hinged to one end of the Y-direction feed lever and the other end of which is hinged to one end of the Y-direction feed connecting rod.

3. The button attaching machine according to claim 1, wherein the Y-directional slider is detachably coupled to the Y-directional eccentric by a first fastening member.

4. The button attaching machine according to claim 3, wherein the X-directional slider is detachably connected to the X-directional eccentric via a second fastening member.

5. The button sewing machine according to claim 2, wherein the Y-feed lever includes a first rod and a second rod disposed at a predetermined included angle, the first chute is disposed on the first rod, and a distal end of the second rod is hinged to the connecting plate.

6. The button attaching machine according to claim 1, further comprising a connecting rod having one end hinged to said base and the other end hinged to said hinge shaft.

7. A button sewing machine according to any one of claims 1 to 6 wherein a chamber is provided below the housing for accommodating the Y-direction stepping motor and the X-direction stepping motor.

Technical Field

The invention relates to the technical field of sewing machines, in particular to a button sewing machine with a stepping motor for feeding and a slide rod for transmission.

Background

The existing single needle chain stitch button sewing machine mainly realizes the purpose of feeding through a cam structure. The feeding action principle is as follows: under the action of rotation of the main shaft, the transverse feeding cam and the longitudinal feeding cam respectively drive the respective feeding mechanisms to complete feeding actions through the curve grooves arranged on the transverse feeding cam and the longitudinal feeding cam, and the feeding mechanisms have the following defects:

1. the feeding curve groove has high processing precision and great difficulty;

2. clamping points are easily generated at the corners of the feeding curve grooves of the feeding cam, the torque of the whole machine is increased, and synchronous feeding displacement and abrasion of a worm gear are caused, so that the service life is influenced;

3. the sewing efficiency is difficult to improve because the sewing machine is driven by the curve groove of the feeding cam and the speed of the machine is limited to 1500 rpm.

Therefore, how to provide a feeding button attaching machine with simple structure, convenient manufacture and low cost is a technical problem which needs to be solved by the technical personnel in the field at present.

Disclosure of Invention

In view of the above, the present invention provides a button sewing machine driven by a stepping motor and a slide bar, which can reduce the manufacturing difficulty and prolong the service life.

In order to achieve the purpose, the invention provides the following technical scheme:

a stepping motor pay-off, driven button sewing machine of slide bar, include: the device comprises a base, a Y-direction stepping motor, a Y-direction feeding lever, a Y-direction eccentric wheel, a Y-direction feeding connecting rod, a feeding sliding plate, an X-direction stepping motor, an X-direction eccentric wheel, an X-direction feeding lever and an X-direction feeding connecting rod;

the Y-direction feeding lever is hinged to the base through a first positioning pin, a first sliding groove is formed in one end of the Y-direction feeding lever, the Y-direction stepping motor is connected with the Y-direction eccentric wheel, a Y-direction sliding block is arranged on the Y-direction eccentric wheel and located in the first sliding groove, the other end of the Y-direction feeding lever is hinged to one end of a Y-direction feeding connecting rod, and the other end of the Y-direction feeding connecting rod is hinged to the feeding sliding plate through a hinge shaft;

x passes through the second locating pin to the one end of pay-off lever and articulates on the frame, the other end with X is connected to the one end of pay-off connecting rod, X to the other end of pay-off connecting rod with the pay-off slide is connected, X is equipped with the second spout on the body of rod to the pay-off lever, X to step motor with X is connected to the eccentric wheel, X is equipped with X to the slider on to the eccentric wheel, X is located to the slider in the second spout.

Preferably, the Y-direction feeding device further comprises a connecting plate, one end of the connecting plate is hinged to one end of the Y-direction feeding lever, and the other end of the connecting plate is hinged to one end of the Y-direction feeding connecting rod.

Preferably, the Y-direction sliding block is detachably connected with the Y-direction eccentric wheel through a first fastening piece.

Preferably, the X-direction sliding block is detachably connected with the X-direction eccentric wheel through a second fastening piece.

Preferably, Y is including being the first body of rod and the second body of rod that predetermines the contained angle setting to the pay-off lever, first spout sets up on the first body of rod, the end of the second body of rod with the connecting plate is articulated.

Preferably, the device also comprises a connecting rod, wherein one end of the connecting rod is hinged with the base, and the other end of the connecting rod is hinged with the hinge shaft.

Preferably, a cavity for accommodating the Y-direction stepping motor and the X-direction stepping motor is arranged below the base.

Compared with the prior art, the technical scheme has the following advantages:

the invention provides a button sewing machine with stepping motor feeding and slide bar transmission, comprising: the device comprises a base, a Y-direction stepping motor, a Y-direction feeding lever, a Y-direction eccentric wheel, a Y-direction feeding connecting rod, a feeding sliding plate, an X-direction stepping motor, an X-direction eccentric wheel, an X-direction feeding lever and an X-direction feeding connecting rod. Through two step motor and two sets of slide bar feeding mechanism, can realize the pay-off action of pay-off slide in two directions, not only simple structure, the manufacturing of being convenient for still can avoid the phenomenon of machine card death, off position to appear, but also can set up according to automatically controlled procedure and walk the line orbit, richened the button sewing style. In addition, the motor replaces the traditional curve cam for feeding, so that the rotating speed can be increased, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of a stepping motor feeding and slide bar driven button sewing machine according to an embodiment of the present invention;

fig. 2 is an exploded view of a stepping motor feeding and slide bar driven button sewing machine according to an embodiment of the present invention.

The reference numbers are as follows:

the device comprises a Y-direction feeding lever 1, a Y-direction sliding block 2, a first fastening piece 3, a first positioning pin 4, a connecting plate 5, a second positioning pin 6, a second fastening piece 7, an X-direction sliding block 8, an X-direction feeding lever 9, an axis screw 10, an X-direction feeding connecting rod 11, a feeding sliding plate 12, a Y-direction feeding connecting rod 13, a second pin hole 14, a first pin hole 15, a rack 16, an X-direction eccentric wheel 17, an X-direction stepping motor 18, a Y-direction stepping motor 19, a Y-direction eccentric wheel 20 and a connecting rod 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a step motor feeding and sliding rod driven button sewing machine according to an embodiment of the present invention; fig. 2 is an exploded view of a stepping motor feeding and slide bar driven button sewing machine according to an embodiment of the present invention.

The embodiment of the invention provides a button sewing machine with a stepping motor for feeding and a slide bar for transmission, which comprises: the device comprises a base, a Y-direction stepping motor 19, a Y-direction feeding lever 1, a Y-direction eccentric wheel 20, a Y-direction feeding connecting rod 13, a feeding sliding plate 12, an X-direction stepping motor 18, an X-direction eccentric wheel 17, an X-direction feeding lever 9 and an X-direction feeding connecting rod 11. The connection structure of each part is as follows:

the Y-direction feeding lever 1 is hinged on the base through a first positioning pin 4, a frame 16 is provided with a first pin hole 15 for connecting the first positioning pin 4, one end of the Y-direction feeding lever 1 is provided with a first chute, a Y-direction stepping motor 19 is connected with a Y-direction eccentric wheel 20, the Y-direction eccentric wheel 20 is provided with a Y-direction sliding block 2, the Y-direction sliding block 2 is positioned in the first chute, the other end of the Y-direction feeding lever 1 is hinged with one end of a Y-direction feeding connecting rod 21, and the other end of the Y-direction feeding connecting rod 21 is hinged with the feeding sliding plate 12 through a hinged shaft;

one end of an X-direction feeding lever 9 is hinged on the base through a second positioning pin 6, a frame 16 is provided with a second pin hole 14 for connecting the second positioning pin 6, the other end of the X-direction feeding lever is connected with one end of an X-direction feeding connecting rod 11 and can be connected through an axial position screw 10, the other end of the X-direction feeding connecting rod 11 is connected with a feeding sliding plate 12, a second sliding groove is arranged on a rod body of the X-direction feeding lever 9, an X-direction stepping motor 18 is connected with an X-direction eccentric wheel 17, an X-direction sliding block 8 is arranged on the X-direction eccentric wheel 17, and the X-direction sliding block.

The working principle of the button sewing machine provided by the embodiment is as follows:

when the Y-direction stepping motor 19 drives the Y-direction eccentric wheel 20 to rotate, the Y-direction sliding block 2 can rotate around an output shaft of the Y-direction stepping motor 19, the Y-direction sliding block 2 drives the Y-direction feeding lever 1 to rotate around the first positioning pin 4, and further drives the Y-direction feeding connecting rod 13, so that the feeding sliding plate 12 is driven, and the feeding action of the feeding sliding plate 12 in the Y direction is realized;

when the X-direction stepping motor 18 drives the X-direction eccentric wheel 17 to rotate, the X-direction slider 8 rotates around the output shaft of the X-direction stepping motor 18, and the X-direction slider 8 drives the X-direction feeding lever 9 to swing around the second positioning pin 6, so as to drive the X-direction feeding connecting rod 11, so as to drive the feeding sliding plate 12 to swing around the hinge shaft, thereby realizing the feeding action of the feeding sliding plate 12 in the X direction. Wherein the motions generated by both the Y-direction stepping motor 19 and the X-direction stepping motor 18 combine to form a complete button-sewing machine feed action.

Through two step motor and two sets of slide bar feeding mechanism, can realize the pay-off action of pay-off slide in two directions, not only simple structure, the manufacturing of being convenient for still can avoid the phenomenon of machine card death, off position to appear, but also can set up according to automatically controlled procedure and walk the line orbit, richened the button sewing style. In addition, the motor replaces the traditional curve cam for feeding, so that the rotating speed can be increased, and the working efficiency is improved.

Furthermore, the Y-direction power transmission device also comprises a connecting plate 5, one end of the connecting plate 5 is hinged with one end of the Y-direction feeding lever 1, the other end of the connecting plate 5 is hinged with one end of the Y-direction feeding connecting rod 13, and the connecting plate 5 mainly plays a role in transmitting Y-direction power.

In order to facilitate the maintenance of the Y-direction sliding block 2 and the X-direction sliding block 8, in the embodiment, the Y-direction sliding block 2 is detachably connected with the Y-direction eccentric wheel 20 through the first fastening piece 3; the X-direction sliding block 8 is detachably connected with the X-direction eccentric wheel 17 through a second fastening piece 7. Wherein the first fastener 3 and the second fastener 7 may be pins or screws. When the Y-direction slide block 2 or the X-direction slide block 8 is worn, the Y-direction slide block or the X-direction slide block can be detached for replacement.

Specifically, Y is including being the first body of rod and the second body of rod that predetermines the contained angle setting to pay-off lever 1, and the preferred integral type structure of the first body of rod and second body of rod, first spout setting are on the first body of rod, and the end of the second body of rod is articulated with connecting plate 5.

Furthermore, the device also comprises a connecting rod 21, wherein one end of the connecting rod 21 is hinged with the machine base, the other end of the connecting rod 21 is hinged with a hinged shaft, and the connecting rod 21 mainly plays a limiting role in limiting the feeding sliding plate 12 so as to prevent the feeding sliding plate from moving randomly.

In order to improve the safety of the button sewing machine during operation, a cavity for accommodating the Y-direction stepping motor 19 and the X-direction stepping motor 18 is arranged below the machine base.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The button sewing machine driven by the stepping motor feeding and the sliding rod is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.