CN112647199A

CN112647199A - Feeding device of sewing machine

Info

Publication number: CN112647199A
Application number: CN201911084599.0A
Authority: CN
Inventors: 陈文强; 刘玉
Original assignee: Xuzhou Li Da Sewing Devices Manufacturing Co ltd
Current assignee: Xuzhou Li Da Sewing Devices Manufacturing Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2021-04-13

Abstract

The invention relates to the technical field of sewing machines, in particular to a feeding device of a sewing machine, which comprises a Y-axis movement mechanism and an X-axis movement mechanism, wherein a first motor output shaft of the Y-axis movement mechanism is connected with one end of a connecting block, a feed lifting shaft is sleeved at the other end of the connecting block, one end of the feed lifting shaft, which is close to the connecting block, is provided with a connecting rod, the other end of the feed lifting shaft is sleeved with a crank, a feed lifting rod is rotatably sleeved on the crank, one end of the feed lifting rod is connected with teeth through a first tooth holder, the teeth are connected with the X-axis movement mechanism through a second tooth holder, a second motor output shaft of the X-axis movement mechanism is sleeved with a worm wheel, the side surface of the worm wheel is provided with a meshing worm, an inner cavity of the worm is provided with an electric hydraulic push rod, the output end of the, the outer wall of the feed lifting rock shaft crank is fixedly connected with the second tooth holder, and the feed lifting rock shaft has strong adaptability and self-adjusting capability.

Description

Feeding device of sewing machine

Technical Field

The invention relates to the technical field of sewing machines, in particular to a feeding device of a sewing machine.

Background

The sewing machine is generally composed of four parts, namely a feeding device, a machine base, a transmission device and accessories. The feeding device is an essential part of the sewing machine. The sewing machine feeding device is characterized by comprising four mechanisms of material punching, thread hooking, thread picking and feeding and auxiliary mechanisms of wire winding, material pressing, tooth falling and the like, wherein the motion of each mechanism is reasonably matched and works circularly to sew up sewing materials.

Disclosure of Invention

The invention aims to provide a feeding device of a sewing machine, which solves the problem that the feeding device of the common sewing machine in the background technology is poor in adaptability and self-regulation.

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

a feeding device of a sewing machine comprises a Y-axis motion mechanism and an X-axis motion mechanism, wherein one end of the Y-axis motion mechanism moves relatively, the Y-axis motion mechanism comprises a first motor, an output shaft of the first motor is connected with one end of a connecting block, the other end of the connecting block is sleeved with a feed lifting shaft, one end, close to the connecting block, of the feed lifting shaft is provided with a connecting rod, the other end of the feed lifting shaft is sleeved with a crank, the crank is rotatably sleeved with a feed lifting rod, one end of the feed lifting rod is connected with teeth through a first tooth holder, the teeth are connected with the X-axis motion mechanism through a second tooth holder, the X-axis motion mechanism comprises a second motor, an output shaft of the second motor is sleeved with a worm wheel, the side surface of the worm wheel is provided with a meshing worm, the outer wall of the worm is provided with worm teeth, an inner cavity, the top of the push plate is fixedly connected with a feeding shaft, one end of the feeding shaft, which is far away from the second motor, is sleeved with a connecting block, the connecting block is fixedly connected with a feed lifting crank through a fixing rod, and the outer wall of the feed lifting crank is fixedly connected with a second tooth holder.

Preferably, the feed lifting shaft rotates outside the first motor through a connecting block, the crank is fixedly arranged on the outer wall of the feed lifting shaft, and the connecting rod is arranged on one side of the connecting block, which is far away from the feed lifting shaft.

Preferably, the worm wheel is meshed with the worm teeth, and the worm moves up and down on the X axis on the side face of the worm wheel.

Preferably, the first motor, the second motor and the electric hydraulic push rod are electrically connected with a control center of the sewing machine.

Preferably, the push plate slides up and down in the inner cavity of the worm, the push plate is tightly attached to the inner wall of the worm, and the bottom of the feeding shaft is fixedly connected with the side face of the push plate far away from one end of the electric hydraulic push rod.

Compared with the prior art, the invention has the beneficial effects that:

1. this sewing machine material feeding unit drives the displacement about and from top to bottom of dental articulator subassembly through setting up first motor and second motor, can control the operating speed of first motor and second motor through sewing machine's control center to adapt to the condition of difference and freely change the pay-off speed, thereby can adjust according to the cloth of difference.

2. This sewing machine material feeding unit can control electronic hydraulic push rod through the control center that has the sewing machine to promote the push pedal, change the length of pay-off axle, thereby can the self-regulation suitable length pay-off, thereby can adjust the gauge needle.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall assembly structure of the present invention;

fig. 3 is a top cross-sectional view of the overall structure of the present invention.

In the figure: 1. a Y-axis motion mechanism; 11. a first motor; 12. connecting blocks; 13. a feed lifting shaft; 14. a connecting rod; 15. a crank; 16. a tooth lifting rod; 17. a first tooth holder; 2. an X-axis motion mechanism; 21. a second motor; 22. a worm gear; 23. a feed shaft; 24. a worm; 241. a worm gear; 242. an electric hydraulic push rod; 243. pushing the plate; 25. connecting blocks; 26. a feed lifting crank; 261. fixing the rod; 262. a second dental base; 3. a tooth.

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.

In the description of the present invention, it is to be understood that the terms "center", "centerline", "longitudinal", "lateral", "length", "width", "thickness", "depth", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, also in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A feeding device of a sewing machine is provided to solve the problem of lack of adaptability and self-adjustment of the feeding device of the common sewing machine proposed in the background art, as shown in FIG. 1, FIG. 2 and FIG. 3, the feeding device comprises a Y-axis movement mechanism 1 and an X-axis movement mechanism 2 with one end of the Y-axis movement mechanism 1 moving relatively, the Y-axis movement mechanism 1 comprises a first motor 11, an output shaft of the first motor 11 is connected with one end of a connecting block 12, the other end of the connecting block 12 is sleeved with a feed lifting rod 13, one end of the feed lifting rod 13 close to the connecting block 12 is provided with a connecting rod 14, the other end of the feed lifting rod 13 is sleeved with a crank 15, the crank 15 is rotatably sleeved with a feed lifting rod 16, one end of the feed lifting rod 16 is connected with a tooth 3 through a first tooth holder 17, the tooth 3 is connected with the X-axis movement mechanism 2 through a second tooth holder 262, the X-axis movement mechanism 2 comprises a second, the side surface of the worm wheel 22 is provided with a meshing worm 24, the outer wall of the worm 24 is provided with worm teeth 241, the inner cavity of the worm 24 is provided with an electric hydraulic push rod 242, the output end of the electric hydraulic push rod 242 is fixedly connected with a push plate 243, the top of the push plate 243 is fixedly connected with a feeding shaft 23, one end, far away from the second motor 21, of the feeding shaft 23 is sleeved with a connecting block 25, the connecting block 25 is fixedly connected with a feed lifting crank 26 through a fixing rod 261, and the outer wall of the feed lifting crank.

In this example, the feed lifting rock shaft 13 rotates outside the first motor 11 through the connecting block 12, the crank 15 is fixedly arranged on the outer wall of the feed lifting rock shaft 13, the connecting rod 14 is arranged on one side of the connecting block 12 far away from the feed lifting rock shaft 13, and the feed lifting rock base can be driven to move up and down through the first motor 11.

Specifically, the worm wheel 22 is engaged with the worm teeth 241, and the worm 24 moves up and down on the side X axis of the worm wheel 22, and the teeth 3 are driven to move back and forth by the engagement of the worm wheel 22 and the worm 22.

Further, the first motor 11, the second motor 21 and the electric hydraulic push rod 242 are electrically connected with a control center of the sewing machine, wherein the motor model is Y80-355, and the electric hydraulic push rod 242 is a DYTZW micro electric hydraulic push rod.

In addition, the push plate 243 slides up and down in the inner cavity of the worm 24, the push plate 243 is tightly attached to the inner wall of the worm 24, the bottom of the feeding shaft 23 is fixedly connected with the side surface of the push plate 243 far away from one end of the electric hydraulic push rod 242, and the push plate 243 is pushed by the electric hydraulic push rod 242, so that the length of the feeding shaft 23 is changed, and the feeding size is found.

When the feeding device of the sewing machine is used, the first motor 21 drives the feed lifting tooth shaft 13 to rotate relatively, the crank 15 drives the first tooth holder 17 to move up and down, so that the teeth 3 move up and down, the worm wheel 22 connected with the output shaft of the second motor 21 is meshed with the worm 24, so that the worm 24 moves up and down, the feed shaft 23 moves up and down, the first motor 21 and the second motor 21 control the rotation speed of the motors through the control center of the sewing machine, so that the feeding device is suitable for different fabrics, the push plate 243 can be pushed by the electric hydraulic push rod 242 to change the length of the feed shaft 23, the self-regulation capability is strong, and a proper needle pitch can be found.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sewing machine material feeding unit, includes Y axle motion (1) and X axle motion (2) of Y axle motion (1) one end relative motion, its characterized in that: the Y-axis movement mechanism (1) comprises a first motor (11), an output shaft of the first motor (11) is connected with one end of a connecting block (12), a tooth lifting shaft (13) is sleeved at the other end of the connecting block (12), a connecting rod (14) is arranged at one end, close to the connecting block (12), of the tooth lifting shaft (13), a crank (15) is sleeved at the other end of the tooth lifting shaft (13), a tooth lifting rod (16) is sleeved on the crank (15) in a rotating mode, one end of the tooth lifting rod (16) is connected with teeth (3) through a first tooth base (17), the teeth (3) are connected with the X-axis movement mechanism (2) through a second tooth base (262), the X-axis movement mechanism (2) comprises a second motor (21), a worm wheel (22) is sleeved at the output shaft of the second motor (21), a meshing worm (24) is arranged on the side face of the worm wheel (22), and teeth (241) are arranged on the, an electric hydraulic push rod (242) is arranged in an inner cavity of the worm (24), the output end of the electric hydraulic push rod (242) is fixedly connected with a push plate (243), the top of the push plate (243) is fixedly connected with a feeding shaft (23), one end, far away from the second motor (21), of the feeding shaft (23) is sleeved with a connecting block (25), the connecting block (25) is fixedly connected with a feed lifting crank (26) through a fixing rod (261), and the outer wall of the feed lifting crank (26) is fixedly connected with a second tooth holder (262).

2. The feeding device of sewing machine according to claim 1, characterized in that: the feed lifting rock shaft (13) rotates outside the first motor (11) through a connecting block (12), the crank (15) is fixedly arranged on the outer wall of the feed lifting rock shaft (13), and the connecting rod (14) is arranged on one side, far away from the feed lifting rock shaft (13), of the connecting block (12).

3. The feeding device of sewing machine according to claim 1, characterized in that: the worm wheel (22) is meshed with the worm teeth (241), and the worm (24) moves up and down on the X axis of the side face of the worm wheel (22).

4. The feeding device of sewing machine according to claim 1, characterized in that: the first motor (11), the second motor (21) and the electric hydraulic push rod (242) are electrically connected with a control center of the sewing machine.

5. The feeding device of sewing machine according to claim 1, characterized in that: the push plate (243) slides up and down in the inner cavity of the worm (24), the push plate (243) is tightly attached to the inner wall of the worm (24), and the bottom of the feeding shaft (23) is fixedly connected with the side face of the push plate (243) far away from one end of the electric hydraulic push rod (242).