Sewing positioning device of sewing machine
Technical Field
The utility model belongs to the field of positioning, and particularly relates to a sewing positioning device of a sewing machine.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material.
The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.
When the existing sewing machine sews an article, the article frequently slides when being sewn, and then the dislocation of the sewing part is caused, and the rework phenomenon is caused.
Therefore, how to avoid the dislocation of the sewing object during sewing is a problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to solve the problems involved in the background art, a sewing positioning device of a sewing machine is provided.
The technical scheme is as follows: a sewing positioning device of a sewing machine comprises:
a first positioning unit and a second positioning unit respectively arranged at two sides of the sewing machine operating platform;
the first positioning unit comprises a first supporting part arranged on one side of the sewing machine operating platform, a first driving part hinged with the first supporting part and a first swinging part hinged with the first driving part;
the second positioning unit comprises a second supporting part arranged on the other side of the sewing machine operating table, a second driving part arranged on the second supporting part, and a second swinging part hinged with the second driving part;
at least when the sewing machine is in a working state, the first swinging part and the second swinging part move close to each other and abut against a sewing object placed on the operating platform of the sewing machine;
the pressing work of the two sides of the sewing object is completed through the approaching movement of the first swinging part and the second swinging part, so that the dislocation phenomenon of the sewing object during sewing is avoided, and the rework condition of sewing personnel is reduced.
In a further embodiment, the first supporting part comprises a first positioning bracket fixedly arranged on one side of the sewing machine operating platform and a first positioning arm fixedly connected with the first positioning bracket;
the first driving part and the first swinging part are supported by designing the first supporting part.
In a further embodiment, the first driving part comprises a first positioning cylinder hinged with a first positioning arm, and a first positioning telescopic rod arranged at the output end of the first positioning cylinder;
the first driving part is designed to drive the first swinging part to swing, and then the pressing and positioning work of the sewing object is completed.
In a further embodiment, the first swinging part comprises a first positioning rotating rod arranged on a first positioning bracket, a first positioning connecting frame fixedly connected with the first positioning rotating rod, and a first positioning pressing plate arranged at the end part of the first positioning connecting frame;
the first positioning connecting frame is hinged with the first positioning telescopic rod;
the first positioning rotating rod is rotatably connected with the first positioning bracket;
through designing the first swing part, the compressing and positioning work of the sewing object is completed, and then the dislocation phenomenon of the sewing object is avoided.
In a further embodiment, the second supporting part comprises a second positioning frame fixedly arranged on the other side of the sewing machine operating table, and a second positioning rotating rod and a second positioning follower rod which are connected with the second positioning frame;
the second positioning rotating rod and the second positioning follower rod are rotatably connected with the second positioning frame.
In a further embodiment, the second driving part comprises a second positioning cylinder fixedly mounted on a second positioning rotating rod, and a second positioning telescopic rod arranged at the output end of the second positioning cylinder;
and the second supporting part is designed to support the second driving part and the second swinging part.
In a further embodiment, the second swinging part comprises a second positioning lug fixedly connected with the second positioning follower rod and hinged with the second positioning telescopic rod, a second positioning connecting frame fixedly connected with the second positioning lug, and a second positioning pressing plate installed at the end part of the second positioning connecting frame.
Has the advantages that: the utility model relates to a sewing positioning device of a sewing machine, which respectively presses two sides of a sewing article by designing a first positioning unit and a second positioning unit, and completes the pressing work of the two sides of the sewing article by the approaching motion of a first swinging part and a second swinging part, thereby avoiding the dislocation phenomenon of the sewing article during sewing and further reducing the rework condition of sewing personnel.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of a first positioning unit of the present invention.
Fig. 3 is a schematic view of a second positioning unit of the present invention.
The reference signs are: 1. a first positioning unit; 11. a first positioning bracket; 12. a first positioning rotating rod; 13. a first positioning arm; 14. a first positioning cylinder; 15. a first positioning telescopic rod; 16. a first positioning connecting frame; 17. a first positioning pressing plate; 2. a second positioning unit; 21. a second positioning frame; 22. a second positioning rotating rod; 23. a second positioning cylinder; 24. a second positioning telescopic rod; 25. a second positioning follower rod; 26. a second positioning connecting frame; 27. a second positioning pressing plate; 28. and a second positioning lug.
Detailed Description
The utility model realizes the positioning work of the sewing object through the sewing positioning device of the sewing machine. The present invention will be further described in detail with reference to the following examples and accompanying drawings.
A sewing positioning device of a sewing machine includes: a first positioning unit 1 and a second positioning unit 2 respectively installed at both sides of the sewing machine operation table;
preferably, the first positioning unit 1 comprises a first supporting part installed at one side of the sewing machine operating table, a first driving part hinged with the first supporting part, and a first swinging part hinged with the first driving part;
the first supporting part comprises a first positioning bracket 11 fixedly arranged on one side of the sewing machine operating platform and a first positioning arm 13 fixedly connected with the first positioning bracket 11;
the first driving part and the first swinging part are supported by designing the first supporting part.
The first driving part comprises a first positioning cylinder 14 hinged with the first positioning arm 13 and a first positioning telescopic rod 15 arranged at the output end of the first positioning cylinder 14;
the first driving part is designed to drive the first swinging part to swing, and then the pressing and positioning work of the sewing object is completed.
The first swinging part comprises a first positioning rotating rod 12 arranged on a first positioning bracket 11, a first positioning connecting frame 16 fixedly connected with the first positioning rotating rod 12, and a first positioning pressing plate 17 arranged at the end part of the first positioning connecting frame 16;
the first positioning connecting frame 16 is hinged with the first positioning telescopic rod 15;
the first positioning rotating rod 12 is rotatably connected with the first positioning bracket 11;
the first swinging part is designed to complete the pressing and positioning work of the sewing object, so that the dislocation phenomenon of the sewing object is avoided;
through adopting above-mentioned technical scheme, drive first location telescopic link 15 by first location cylinder 14 and stretch out and draw back, and then drive first location link 16 and drive first location bull stick 12 and carry out the swing along first locating support 11, and then drive first location clamp plate 17 and swing, and then make first location clamp plate 17 push down the one side of placing the sewing article on the sewing machine operation panel.
Preferably, the second positioning unit 2 comprises a second supporting part installed at the other side of the sewing machine operating table, a second driving part arranged on the second supporting part, and a second swinging part hinged with the second driving part;
the second supporting part comprises a second positioning frame 21 fixedly arranged on the other side of the sewing machine operating table, and a second positioning rotating rod 22 and a second positioning follower rod 25 which are connected with the second positioning frame 21;
the second positioning rotating rod 22 and the second positioning follower rod 25 are rotatably connected with the second positioning frame 21.
The second driving part comprises a second positioning air cylinder 23 fixedly arranged on a second positioning rotating rod 22 and a second positioning telescopic rod 24 arranged at the output end of the second positioning air cylinder 23;
and the second supporting part is designed to support the second driving part and the second swinging part.
The second swinging part comprises a second positioning lug 28 fixedly connected with the second positioning follower rod 25 and hinged with the second positioning telescopic rod 24, a second positioning connecting frame 26 fixedly connected with the second positioning lug 28, and a second positioning pressing plate 27 installed at the end part of the second positioning connecting frame 26;
by adopting the above technical scheme, the second positioning cylinder 23 drives the second positioning telescopic rod 24 to extend and retract, and then drives the second positioning bump 28 to drive the second positioning connecting frame 26 and the second positioning follower rod 25 to rotate along the second positioning frame 21, and further drives the second positioning pressing plate 27 to swing, so that the second positioning pressing plate 27 presses the other side of the sewing object placed on the sewing machine operating table.
At least when the sewing machine is in a working state, the first swinging part and the second swinging part move close to each other and abut against a sewing object placed on the operating platform of the sewing machine;
the pressing work of the two sides of the sewing object is completed through the approaching movement of the first swinging part and the second swinging part, so that the dislocation phenomenon of the sewing object during sewing is avoided, and the rework condition of sewing personnel is reduced.
Description of the working principle: when the sewing object needs to be pressed and positioned, the first positioning unit 1 and the second positioning unit 2 are used for respectively pressing two sides of the sewing object, so that the positioning work of the sewing object is completed;
the first positioning air cylinder 14 drives the first positioning telescopic rod 15 to extend and retract, and then drives the first positioning connecting frame 16 to drive the first positioning rotating rod 12 to swing along the first positioning support 11, so as to drive the first positioning pressing plate 17 to swing, and further enable the first positioning pressing plate 17 to press one side of a sewing object placed on the sewing machine operating table;
the second positioning cylinder 23 drives the second positioning telescopic rod 24 to extend and retract, so as to drive the second positioning bump 28 to drive the second positioning connecting frame 26 and the second positioning follower rod 25 to rotate along the second positioning frame 21, so as to drive the second positioning pressing plate 27 to swing, so that the second positioning pressing plate 27 presses the other side of the sewing object placed on the sewing machine operating table;
at this time, the second positioning cylinder 23 is operated, and the second positioning rotating rod 22 rotates along the second positioning frame 21 to perform a swing action adapted to the operation of the second positioning cylinder 23.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model.
The utility model is not described in detail in order to avoid unnecessary repetition.