CN218812503U

CN218812503U - Feeding mechanism of pattern sewing machine

Info

Publication number: CN218812503U
Application number: CN202222418134.8U
Authority: CN
Inventors: 陈初喜
Original assignee: Supreme Intelligent Technology Co Ltd
Current assignee: Supreme Intelligent Technology Co Ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-04-07
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a feeding mechanism of a pattern sewing machine, which comprises a presser foot mounting seat arranged on a sewing machine base, wherein an X motor and a Y motor are fixedly arranged on the sewing machine base, the X motor drives the presser foot mounting seat to move in the X-axis direction through an X-direction transmission structure, the Y motor drives the presser foot mounting seat to move in the Y-axis direction through a Y-direction transmission structure, and the Y-direction transmission structure comprises two guide rods which are arranged in parallel and extend to the rear part of the sewing machine base; the guide rod is in sliding fit with a linear bearing on the sewing machine base, the front end of the guide rod is in sliding connection with the presser foot mounting base through a transverse arm, and the rear end of the guide rod is connected with the first synchronous belt through a fixing block; the first synchronous belt is installed at the rear part of the sewing machine base and is driven to rotate by a Y motor.

Description

Feeding mechanism of pattern sewing machine

Technical Field

The utility model relates to a sewing machine for making pattern, specifically speaking are pattern sewing machine's feeding mechanism.

Background

A feeding structure of a pattern sewing machine disclosed in patent No. 201120498055.1 is configured to enable a rear frame to move back and forth along a second guide rail of a back and forth support by connecting a first driving part at the lower part of the rear frame with a back and forth driving mechanism. The front and rear supports are two in parallel symmetry and are respectively positioned at two sides of the rear part of the machine head. The rear support is in sliding fit with the bottom of the forward and backward support through a second guide rail and drives the first transverse arm and the pressure lifting arm to move forward and backward. The transverse driving mechanism is connected with the lower surface of the second substrate, a front-back third guide rail is arranged on the upper surface of the second substrate, and the bottom of the pressure lifting arm is in sliding fit with the third guide rail through the first substrate. The lifting and pressing arm can be positioned along the first guide rail and the fourth guide rail on the first transverse arm after being positioned in the front-back direction. The patent disclosure has certain disadvantages, for example, the transmission structure of the forward and backward driving mechanism drives the first rear support and the second rear support to move forward and backward through the first synchronous belt and the second synchronous belt, so as to drive the pressure arm to move forward and backward, which has the disadvantages of complex structure and higher cost.

Disclosure of Invention

The utility model discloses comparatively complicated to the structure, the higher technical problem of cost, and provide a pattern sewing machine's feeding mechanism, reduce synchronous belt drive mechanism quantity, optimize guiding axle transmission structure, reduce cost.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a feeding mechanism of a pattern sewing machine comprises a presser foot mounting seat arranged on a sewing machine base, wherein an X motor and a Y motor are fixedly arranged on the sewing machine base; the guide rod is in sliding fit with a linear bearing on the sewing machine base, the front end of the guide rod is in sliding connection with the presser foot mounting base through a transverse arm, and the rear end of the guide rod is connected with the first synchronous belt through a fixing block; the first synchronous belt is installed at the rear of the sewing machine base and is driven to rotate by a Y motor.

For optimizing above-mentioned technical scheme, the utility model discloses still include following modified technical scheme.

A fourth synchronizing wheel mounting seat is arranged at the rear part of the sewing machine base, and a fourth synchronizing wheel is arranged in the fourth synchronizing wheel mounting seat; a third gear is arranged on an output shaft of the Y motor and connected with a second transmission shaft through a fourth gear, and a third synchronizing wheel is arranged on the second transmission shaft; the first synchronous belt is arranged on the third synchronous wheel and the fourth synchronous wheel and is symmetrically arranged with the two guide rods.

The X-direction transmission structure comprises an installation plate positioned below the presser foot installation seat, a Y-direction slide rail is arranged on the top surface of the installation plate, and the bottom of the presser foot installation seat is in sliding fit with the Y-direction slide rail.

The lower surface of the mounting plate is connected with an X-direction synchronous belt; the first synchronizing wheel and the second synchronizing wheel are installed on the sewing machine base, and the X-direction synchronizing belt is installed between the first synchronizing wheel and the second synchronizing wheel.

The first synchronous wheel is arranged on the first transmission shaft, and one end of the first transmission shaft is provided with the second gear; the output shaft of the X motor is provided with a first gear which is meshed with a second gear.

Two sides of the presser foot mounting seat are respectively provided with a presser foot cylinder; the rotary block is triangular, a piston rod of the presser foot cylinder is connected with one end of the rotary block, the middle of the rotary block is rotatably installed on a connecting shaft of the presser foot installation seat, and the other end of the rotary block is provided with a driving rod.

The utility model discloses a style sewing machine's feeding mechanism rotates through the first synchronous area of Y motor drive, and first synchronous area is located between two guide bars, can stably drive the guide bar along linear bearing back-and-forth movement to drive presser foot mount pad along Y direction seesaw, compare in prior art, pay-off structure manufacturing cost reduces, easy to assemble.

Drawings

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

Fig. 2 is a schematic structural diagram of another view angle according to an embodiment of the present invention.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to fig. 2 are schematic structural diagrams of the present invention.

Wherein the reference numerals are: the device comprises a presser foot mounting seat 1, a presser foot cylinder 2, a rotating block 3, a connecting shaft 4, a mounting plate 5, an X-direction synchronous belt 6, a first transmission shaft 7, a second synchronous wheel mounting seat 8, an X motor 9, a first gear 10, a second gear 11, an X-direction sliding rail 12, a guide rod 13, a first synchronous belt 14, a second transmission shaft 15, a fourth synchronous wheel mounting seat 16, a fixing block 17, a first connecting plate 18, a belt connecting block 19, a linear bearing 20, a transverse arm 21, a first sliding rail 22, a Y motor 23, a fourth gear 24, a Y-direction sliding rail 25, a second connecting plate 26, a fixing seat 27 and a driving rod 28.

The utility model discloses a style sewing machine's feeding mechanism, including locating presser foot mount pad 1 on the sewing machine base. An X motor 9 and a Y motor 23 are fixedly arranged on the base of the sewing machine, the X motor 9 drives the presser foot mounting base 1 to move in the X-axis direction through an X-direction transmission structure, and the Y motor 23 drives the presser foot mounting base 1 to move in the Y-axis direction through a Y-direction transmission structure.

Two sides of the presser foot mounting seat 1 are respectively provided with a presser foot cylinder 2, and a piston rod of the presser foot cylinder 2 is connected with one end of the rotating block 3. The rotary block 3 is triangular, the middle part of the rotary block 3 can be rotatably sleeved on the connecting shaft 4, and the connecting shaft 4 is fixedly connected with the presser foot mounting seat 1. The other end of the rotary block 3 is provided with a driving rod 28. The presser foot cylinder drives the rotating block 3 to rotate around the connecting shaft 4, and drives the driving rod 28 to move up and down, so that the presser foot is driven to move up and down.

The X-direction transmission structure comprises a mounting plate 5, an X-direction synchronous belt 6 connected with the lower surface of the mounting plate 5, and a first transmission shaft 7 driving the X-direction synchronous belt 6 to rotate. A first synchronizing wheel matched with the X-direction synchronizing belt 6 is installed on the first transmission shaft 7, a second synchronizing wheel installation seat 8 is installed on the sewing machine base, and a second synchronizing wheel matched with the X-direction synchronizing belt 6 is installed in the second synchronizing wheel installation seat 8.

The output shaft of the X motor 9 is provided with a first gear 10, and the first gear 10 is meshed with a second gear 11 of the first transmission shaft 7. An X-direction sliding rail 12 is arranged on the base of the sewing machine, an X-direction sliding block is arranged on the X-direction sliding rail 12, and the X-direction sliding block is fixedly connected with the lower end of the mounting plate 5. The X motor 9 drives the first transmission shaft 7 to rotate through the first gear 10 and the second gear 11, the first transmission shaft 7 drives the X-direction synchronous belt 6 to rotate, and therefore the mounting plate 5 is driven to move left and right along the X-direction sliding rail 12, and the presser foot mounting seat 1 is driven to move in the X-axis direction.

The rear end part of the presser foot mounting seat 1 is fixedly connected with a first sliding block, the first sliding block can be arranged on a first sliding rail 22 in a left-right sliding mode, and the first sliding rail 22 is arranged on a transverse arm 21.

The Y-direction transmission structure comprises two guide rods 13 which are symmetrically arranged in parallel, a first synchronous belt 14 connected with the guide rods 13, and a second transmission shaft 15 driving the first synchronous belt 14 to rotate. A third synchronizing wheel matched with the first synchronizing belt 14 is arranged on the second transmission shaft 15, a fourth synchronizing wheel mounting seat 16 is arranged on the sewing machine base, and a fourth synchronizing wheel matched with the first synchronizing belt 14 is arranged in the fourth synchronizing wheel mounting seat 16. One end of each of the two guide rods 13 is fixed with a fixing block 17, and the two fixing blocks 17 are installed at both sides of the first connecting plate 18. The first timing belt 14 is fixedly connected to the first connection plate 18 via a belt connection block 19. The other end of the guide rod 13 is fixedly connected to the transverse arm 21.

Two linear bearings 20 are installed at the middle of each guide rod 13, and the two linear bearings 20 are installed on the sewing machine base so that the guide rods 13 can move in the front and rear directions along the linear bearings 20.

The output shaft of the Y motor 23 is provided with a third gear which meshes with a fourth gear 24 on the second transmission shaft 15. Two sides of the mounting plate 5 are respectively provided with a Y-direction slide rail 25, the Y-direction slide rail 25 is provided with a Y-direction slide block which can slide, and the Y-direction slide block is fixedly connected with the lower end surface of the second connecting plate 26. The second connecting plate 26 is fixedly connected with the bottom of the presser foot mounting base 1.

The Y motor 23 drives the second transmission shaft 15 to rotate through the third gear and the fourth gear 24, the second transmission shaft 15 drives the first synchronous belt 14 to rotate, and the first synchronous belt 14 can pull the guide rod 13 to move along the linear bearing 20 in the Y-axis direction, so as to drive the presser foot mounting base 1 to move along the Y-direction slide rail 25 in the Y-axis direction.

Fixing seats 27 with long strip adjusting grooves are formed in two sides of the second synchronizing wheel mounting seat 8 and the fourth synchronizing wheel mounting seat 16, and the long strip adjusting grooves in the fixing seats 27 are matched with bolts to fixedly mount the second synchronizing wheel mounting seat 8 and the fourth synchronizing wheel mounting seat 16 on the base of the sewing machine.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by those skilled in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a style sewing machine's feeding mechanism, is including locating presser foot mount pad (1) on the sewing machine base, and fixed mounting has X motor (9) and Y motor (23) on the sewing machine base, and X motor (9) move in X axle direction through X to transmission structure drive presser foot mount pad (1), and Y motor (23) move in Y axle direction through Y to transmission structure drive presser foot mount pad (1), characterized by: the Y-direction transmission structure comprises two guide rods (13) which are arranged in parallel and extend to the rear part of the sewing machine base; the guide rod (13) is in sliding fit with a linear bearing on a sewing machine base, the front end of the guide rod (13) is in sliding connection with the presser foot mounting seat (1) through a transverse arm (21), and the rear end of the guide rod (13) is connected with the first synchronous belt (14) through a fixing block (17); the first synchronous belt (14) is arranged at the rear part of the sewing machine base and is driven to rotate by the Y motor (23).

2. The feed mechanism as set forth in claim 1, wherein: a fourth synchronizing wheel mounting base (16) is arranged at the rear part of the sewing machine base, and a fourth synchronizing wheel is arranged in the fourth synchronizing wheel mounting base (16); a third gear is arranged on an output shaft of the Y motor (23), the third gear is connected with a second transmission shaft (15) through a fourth gear (24), and a third synchronous wheel is arranged on the second transmission shaft (15); the first synchronous belt (14) is arranged on the third synchronous wheel and the fourth synchronous wheel and is symmetrically arranged with the two guide rods (13).

3. The feed mechanism of claim 1, wherein: the X-direction transmission structure comprises an installation plate (5) positioned below the presser foot installation seat (1), a Y-direction sliding rail (25) is installed on the top surface of the installation plate (5), and the bottom of the presser foot installation seat (1) is in sliding fit with the Y-direction sliding rail (25).

4. The feed mechanism as set forth in claim 3, wherein: the lower surface of the mounting plate (5) is connected with an X-direction synchronous belt (6); the sewing machine base is provided with a first synchronizing wheel and a second synchronizing wheel, and the X-direction synchronizing belt (6) is arranged between the first synchronizing wheel and the second synchronizing wheel.

5. The feed mechanism as set forth in claim 4, wherein: the first synchronous wheel is arranged on a first transmission shaft (7), and one end of the first transmission shaft (7) is provided with a second gear (11); the output shaft of the X motor (9) is provided with a first gear (10), and the first gear (10) is meshed with a second gear (11).

6. The feed mechanism of claim 1, wherein: two sides of the presser foot mounting seat (1) are respectively provided with a presser foot cylinder (2); the rotary block (3) is in a triangular shape, a piston rod of the presser foot cylinder (2) is connected with one end of the rotary block (3), the middle part of the rotary block (3) is rotatably installed on a connecting shaft (4) of the presser foot installation seat (1), and a driving rod (28) is arranged at the other end of the rotary block (3).