CN210657421U

CN210657421U - Sewing machine

Info

Publication number: CN210657421U
Application number: CN201920679526.5U
Authority: CN
Inventors: 陈万金
Original assignee: Jiangxi Institute of Fashion Technology
Current assignee: Jiangxi Institute of Fashion Technology
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-06-02
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to a garment machinery technical field, concretely relates to sewing machine. The cloth fixing device comprises a workbench, wherein a sewing machine body is arranged on the workbench, and a fixing device is arranged below the sewing machine body and used for fixing and processing cloth; the fixing device comprises a fixing frame for pressing cloth, the fixing frame is of a U-shaped structure, one side, away from the head of the sewing machine body, of the fixing frame is provided with a pressing foot matched with a sewing opening, and a driving assembly is connected between the pressing foot and the pressing frame and used for driving the pressing foot to transversely or longitudinally displace and fix the cloth. Fix other cloths on the workbench through the fixing device, the fixing frame of the U-shaped structure fixes other cloths on the workbench, so that the cloths are not displaced or warped, and then the working efficiency is improved.

Description

Sewing machine

Technical Field

The utility model relates to a garment machinery technical field, concretely relates to 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, and have high sewing speed and convenient use.

Among the prior art, sewing machine passes through the fixed cloth of compress device, but when sewing other cloth on the cloth, other cloth take place the displacement or stick up the limit relatively, are difficult to on the cloth with other cloth accurate positioning, influence machining efficiency then.

Disclosure of Invention

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art when sewing other cloths on the cloth, displacement or stick up the limit take place for the easy relative cloth of other cloths, is difficult to with other cloth accurate positioning on the cloth, influences machining efficiency's defect then to provide a sewing machine.

In order to solve the problems, the utility model provides a sewing machine, which comprises a workbench, wherein a sewing machine body is arranged on the workbench, and a fixing device is arranged below the sewing machine body and is used for fixing and processing cloth; the fixing device comprises a fixing frame for pressing and fixing cloth, the fixing frame is of a U-shaped structure, one side, away from the sewing machine body head, of the fixing frame is provided with a pressing foot matched with a sewing opening, and a driving assembly is connected between the pressing foot and the pressing frame and used for driving the pressing foot to transversely or longitudinally displace and fix the cloth.

One side of the sewing machine body close to the machine head is provided with a fixed rod, the fixed rod is perpendicular to the workbench, the fixed rod is provided with a sliding groove along the length direction of the fixed rod, a sliding block is arranged in the sliding groove, and is opposite to the fixed rod, two sides of the fixed rod are respectively provided with a cylinder and fixedly connected with the sliding block, the sliding block is connected with a stretching rod, the stretching rod is perpendicular to the fixed rod, and the stretching rod is fixedly connected with the fixed frame.

The stretching rod comprises a sliding rod, the sliding rod is sleeved with a vertical rod, the vertical rod is fixedly connected with the sliding block, the sliding rod is connected with the fixing frame, and one end, close to the fixing rod, of the sliding rod is provided with a limit switch.

The driving assembly comprises a guide rail arranged on the sliding rod, the guide rail is parallel to the fixed frame, a sliding plate which moves along the length direction of the guide rail is arranged on the guide rail, and a second cylinder is connected to one side of the sliding plate.

The top of the sliding plate extends to form a fixed plate, a motor is fixedly mounted on the fixed plate, and an output shaft of the motor is in threaded connection with the presser foot.

And linear bearing fixing seats are arranged on two sides of the presser foot, and one end of a telescopic shaft of each linear bearing fixing seat is connected to the bottom side of the fixed plate.

The upper cover of the sewing machine body head is provided with a transparent baffle.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of sewing machine, mount are kept away from sewing machine body aircraft nose one side and are set up according to the presser foot, press and are connected drive assembly between foot and the mount, under the prerequisite of the fixed cloth of mount, press the presser foot accuracy through drive assembly control and press in sewing department, reduce the problem on the easy relative cloth emergence displacement of other cloths or stick up the limit.

2. The utility model provides a pair of sewing machine is through opening the motor for press the presser foot and use the fixed plate to remove along vertical direction as the benchmark, with this automatic accurate control pressfitting direction, thereby guarantee that other cloth are positioned accurately on the cloth and finish until the sewing.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a sewing machine according to the present invention;

FIG. 2 is a schematic structural view of a fixing device of the sewing machine according to the present invention;

FIG. 3 is a schematic view of a partial structure of a sewing machine according to the present invention;

description of reference numerals:

1-a workbench; 11-sewing machine body; 111-a transparent baffle; 12-a fixation rod; 13-a chute; 14-a sliding block; 15-cylinder; 16-a stretch rod; 17-a slide bar; 18-a vertical rod; 19-limit switch; 2-a fixing device; 21-a fixing frame; 22-pressing the presser foot; 3-a drive assembly; 31-a guide rail; 32-a slide plate; 33-a second cylinder; 34-fixing the plate; 35-a motor; 36-linear bearing fixing seat.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A sewing machine, as shown in figure 1, comprises a workbench 1, a sewing machine body 11 is installed on the workbench 1, and a fixing device 2 is arranged below the sewing machine body 11 and used for fixing and processing cloth. In the course of working, the cloth is fixed on the work bench 1 by the fixing device 2, and the sewing machine body 11 sews the cloth, so that the process that the cloth is supported by hands is reduced, and meanwhile, the defects that workers are easy to fatigue and the operation safety coefficient is low are reduced.

As shown in fig. 2, fixing device 2 is including the mount 21 of fixed cloth, mount 21 is U type structure, mount 21 open end is towards the staff, mount 21 fixes the minor work piece cloth on the cloth, process the cloth under the sight condition sight that does not influence the staff, mount 21 is kept away from sewing machine body 11 aircraft nose one side and is set up and presses presser foot 22, press and be connected drive assembly 3 between foot 22 and the mount 21, under the prerequisite of the fixed cloth of mount 21, press presser foot 22 accuracy through drive assembly 3 control and press in the sewing department, reduce the problem that the easy relative cloth of other cloths takes place the displacement or sticks up the limit.

As shown in fig. 2, one side of the sewing machine body 11 close to the machine head is provided with a fixed rod 12, the fixed rod 12 is perpendicular to the workbench 1, the fixed rod 12 is provided with a sliding groove 13 along the length direction thereof, a sliding block is arranged in the sliding groove 13, the sliding block 14 is connected with a stretching rod 16, the stretching rod 16 is perpendicular to the fixed rod 12, one end of the stretching rod 16 far away from the fixed rod 12 is connected with a fixed frame 21, in the machining process, the sliding block 14 slides towards the direction of the workbench 1, then the stretching rod 16 drives the fixed frame 21 to fix the cloth on the workbench 1, when the fixed frame 21 is not used, the fixed frame 21 is moved away from the cloth, two sides of the fixed rod 12 are respectively provided with a cylinder 15 to be connected with the.

As shown in fig. 2, tensile pole 16 includes slide rod 17, slide rod 17 cover establishes montant 18, montant 18 and sliding block 14 fixed connection, slide rod 17 and mount 21 fixed connection, the one end that slide rod 17 is close to dead lever 12 is equipped with limit switch 19, in the course of working, slide rod 17 to staff's direction, make the mount 21 that slide rod 17 drove be in sewing machine body 11 aircraft nose below, when not using, keep away from sewing machine body 11 aircraft nose with mount 21, the sewing machine's that improves practical scope.

As shown in fig. 2, the driving assembly 3 includes a guide rail 31 disposed on the sliding rod 17, the guide rail 31 is parallel to the fixed frame 21, a sliding plate 32 disposed on the guide rail 31 and capable of moving along the length direction thereof, and a second cylinder 33 disposed on one side of the sliding plate 32. The presser foot 22 can be displaced in the transverse direction or the longitudinal direction, so that other cloth materials can be placed before sewing without being affected, and the cloth materials can be stably fixed during use. The utility model discloses in this embodiment, select no pole cylinder as second cylinder 33, drive slide 32 along the displacement of guide rail 31 direction through second cylinder 33, and then lateral displacement about the presser foot 22 is pressed to accurate control setting on slide 32.

As shown in fig. 3, a fixed plate 34 extends outwards from the top of the sliding plate 32, a motor 35 is fixedly mounted on the fixed plate 34, and an output shaft of the motor 35 is in threaded connection with the pressing foot 22. That is, the pressing foot 22 moves in the vertical direction based on the fixed plate 34 by turning on the motor 35, so as to automatically and precisely control the pressing direction, thereby ensuring that other cloth materials are precisely positioned on the cloth materials until the sewing is finished.

As shown in fig. 3, linear bearing fixing seats 36 are installed on both sides of the pressing foot 22, and one end of a telescopic shaft of the linear bearing fixing seat 36 is fixed on the bottom side of the fixed plate 34, so that on one hand, a limiting effect is achieved, the pressing foot 22 is prevented from generating horizontal displacement, and on the other hand, the pressing foot 22 and an output shaft of the motor 35 are assisted to move along the vertical direction when rotating through threads.

As shown in figure 1, the sewing machine body 11 is provided with a transparent baffle 111 at the head part, which is made of a PC transparent coffin, and the needle head is arranged to be damaged and ejected to be splashed onto the face on the premise of not influencing the sight of workers, thereby further improving the production safety.

The working process is as follows: before sewing, place the cloth under mount 21, cylinder 15 drives the sliding block 14 on the dead lever 12 and slides to 1 direction of workstation, sliding rod 17 slides to the staff direction, adjust mount 21 directly over the cloth, second cylinder 33 drives slide 32 along the displacement of guide rail 31 direction, open motor 35 simultaneously, make and use fixed plate 34 to move along vertical direction as the benchmark according to presser foot 22, thereby guarantee that other cloth are accurately positioned on the cloth, begin to make up, sewing machine body 11 begins to make up in mount 21 opening frame this moment, after making up, press down foot 22 and withdraw from by drive assembly 3 control, mount 21 lifts, finished product has been taken out.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Claims

1. A sewing machine, comprising:

the cloth fixing device comprises a workbench (1), wherein a sewing machine body (11) is installed on the workbench (1), and a fixing device (2) is arranged below the sewing machine body (11) and used for fixing and processing cloth;

the fixing device (2) comprises a fixing frame (21) for pressing and fixing cloth, the fixing frame (21) is of a U-shaped structure, a pressing foot (22) is arranged on one side, away from the head of the sewing machine body (11), of the fixing frame (21), and a driving assembly (3) is connected between the pressing foot (22) and the fixing frame (21) and used for driving the pressing foot (22) to transversely or longitudinally displace and fix the cloth;

a fixed rod (12) is arranged on one side, close to a machine head, of a sewing machine body (11), the fixed rod (12) is perpendicular to a workbench (1), a sliding groove (13) is formed in the fixed rod (12) along the length direction of the fixed rod, a sliding block (14) is arranged in the sliding groove (13), air cylinders (15) are arranged on two sides, opposite to the fixed rod (12), of the fixed rod and fixedly connected with the sliding block (14), the sliding block (14) is connected with a stretching rod (16), the stretching rod (16) is perpendicular to the fixed rod (12), and the stretching rod (16) is fixedly connected with a fixed frame (21);

the stretching rod (16) comprises a sliding rod (17), the sliding rod (17) is sleeved with a vertical rod (18), the vertical rod (18) is fixedly connected with the sliding block (14), the sliding rod (17) is connected with the fixing frame (21), and one end, close to the fixing rod (12), of the sliding rod (17) is provided with a limit switch (19);

the upper cover of the sewing machine body (11) is provided with a transparent baffle (111).

2. A sewing machine according to claim 1, wherein the drive assembly (3) comprises a guide rail (31) arranged on the slide bar (17), the guide rail (31) is parallel to the fixed frame (21), a slide plate (32) displaced along the length direction of the guide rail (31) is arranged on the guide rail, and a second cylinder (33) is connected to one side of the slide plate (32).

3. The sewing machine of claim 2, wherein a fixed plate (34) extends from the top of the sliding plate (32), a motor (35) is fixedly mounted on the fixed plate (34), and an output shaft of the motor (35) is in threaded connection with the pressing foot (22).

4. The sewing machine of claim 3, wherein linear bearing holders (36) are provided on both sides of the presser foot (22), and one end of a telescopic shaft of the linear bearing holder (36) is connected to the bottom side of the fixed plate (34).