Double-step feeding mechanism for upper drawing machine

Abstract

The utility model relates to the technical field of lasting machines, and in particular to a double-stepping feeding mechanism of lasting machines, comprising a shell and a bracket connected to the shell, wherein a first motor and a first motor mounting plate are arranged in the shell, wherein the first motor is mounted on the first motor mounting plate, and the first motor mounting plate is fixedly connected to the shell, and the first motor is connected to a first transmission assembly; a second motor and a second motor mounting plate are arranged on one side of the bracket, wherein the second motor is mounted on the second motor mounting plate, and the second motor mounting plate is fixedly connected to the bracket, and the second motor is connected to a second transmission assembly. The utility model adopts a double-stepping motor, and drives two feeding gears to feed materials through the first transmission assembly and the second transmission assembly respectively, so as to control the close sewing of the first few stitches and the close sewing after the thread is cut, and prevent the thread from falling off; the structure is simple, the parts are few, the maintenance frequency of the machine is reduced, and the cost is reduced, and the work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lasting machines, in particular to a double-step feeding mechanism for lasting machines. Background Art

[0002] When sewing clothes, soles, etc., it is difficult to penetrate the clothes, soles, etc., which makes sewing more difficult, resulting in low sewing efficiency. In the prior art, a lasting machine is a device used to assist in penetrating clothes, soles, etc.

[0003] However, the traditional feeding mechanism usually uses a motor, which is transmitted to two feeding gears through various transmission mechanisms to realize feeding. Its various transmission mechanisms have complex structures and many parts, which increases the maintenance frequency of the machine, thereby increasing costs and reducing work efficiency.

[0004] Therefore, it is necessary to design a double-step feeding mechanism for the lasting machine in this application to solve the above technical problems. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art, and a double-stepping feeding mechanism of a lasting machine is proposed, which adopts double-stepping motors to drive two feeding gears to feed materials respectively, so that its structure is simple, fewer parts are required, and the maintenance frequency of the machine is reduced, thereby reducing costs and improving work efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A double-step feeding mechanism of a lasting machine, comprising a housing and a bracket connected to the housing, wherein a first motor and a first motor mounting plate are arranged in the housing, wherein the first motor is mounted on the first motor mounting plate, and the first motor mounting plate is fixedly connected to the housing, and wherein the first motor is connected to a first transmission assembly;

[0008] A second motor and a second motor mounting plate are provided on one side of the bracket, the second motor is mounted on the second motor mounting plate, and the second motor mounting plate is fixedly connected to the bracket, and the second motor is connected to a second transmission assembly.

[0009] Preferably, the first transmission assembly includes a first output wheel connected to the first motor, and a vertically arranged first transmission rod is provided on one side of the first output wheel; a first driven wheel is sleeved on the lower end of the first transmission rod, and the first driven wheel is meshed with the first output wheel, and a first feeding wheel is provided on the top of the first transmission rod.

[0010] Preferably, the second transmission assembly includes a second output wheel connected to the second motor, a second transmission rod is provided on one side of the second output wheel, the top of the second transmission rod passes through the bracket and is sleeved with the second driven wheel, and the second driven wheel is meshed with the second output wheel; the bottom of the second transmission rod passes through the bracket and is sleeved with the third driven wheel, a second feeding wheel is provided on one side of the third driven wheel, the second feeding wheel is meshed with the third driven wheel, and the second feeding wheel is connected to the bracket through a needle plate fixing bracket.

[0011] Preferably, the first feeding wheel and the second feeding wheel are located at the same horizontal position, and a gap is left between the first feeding wheel and the second feeding wheel.

[0012] Preferably, the first motor and the second motor are both stepper motors.

[0013] By adopting the above technical solution: the first motor and the second motor, that is, the dual stepping motor, are used here to drive the two feeding gears to feed the materials through the first transmission assembly and the second transmission assembly respectively, so as to control the close sewing of the first few stitches and the close sewing after the thread is cut, and prevent the thread from falling off; the structure is simple, with fewer parts, and the maintenance frequency of the machine is reduced, thereby reducing costs and improving work efficiency.

[0014] Preferably, the bracket is fixedly connected to the shell via a connecting rod, and the connecting rod is horizontally arranged inside the shell.

[0015] Preferably, the first output wheel, the first driven wheel, the second output wheel and the second driven wheel are all conical wheels.

[0016] By adopting the above technical solution: a conical wheel is adopted here, so that the transmission of the first transmission assembly and the second transmission assembly is more flexible, reliable and stable.

[0017] Preferably, the needle plate fixing frame includes a needle plate and a connecting column connected to the needle plate, and the connecting column is arranged perpendicular to the needle plate; the upper surface of the needle plate is opened in a strip groove, and the lower surface of the needle plate is provided with a protrusion, and the protrusion is elliptical.

[0018] By adopting the above technical solution: the connection with the bracket is achieved through the connecting column, the protrusion is connected to the second feeding wheel, and the strip groove is used for matching connection with the feeding needle.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model adopts a first motor and a second motor, i.e., a dual stepping motor, which respectively drive two feeding gears to feed materials through a first transmission assembly and a second transmission assembly, and can control the close sewing of the first few stitches and the close sewing after the thread is cut to prevent the thread from falling off; the structure is simple, the parts are less, the maintenance frequency of the machine is reduced, and the cost is reduced, and the work efficiency is improved.

[0021] 2. The utility model adopts double-step feeding, and the needle distance can be adjusted directly on the electric control, and the middle segment needle distance can also be adjusted to make the thread edge more stable and the operation more convenient; it not only improves work efficiency, but also improves product quality.

[0022] 3. The utility model adopts double-step feeding, which can freely control the easy sewing of different materials with different thicknesses, and more easily solve the problem of difficult sewing of thick or relatively hard materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 for Figure 1 Another perspective structural diagram of;

[0025] Figure 3 It is a structural schematic diagram of the first transmission assembly and the second transmission assembly in the utility model;

[0026] Figure 4 It is a schematic diagram of the structure of the bracket in the utility model;

[0027] Figure 5 It is a structural schematic diagram of the needle plate fixing frame of the utility model.

[0028] In the figure: 1 housing, 2 bracket, 3 first motor, 4 first motor mounting plate, 5 second motor, 6 second motor mounting plate, 7 first output wheel, 8 first transmission rod, 9 first driven wheel, 10 first feeding wheel, 11 second output wheel, 12 second transmission rod, 13 second driven wheel, 14 third driven wheel, 15 second feeding wheel, 16 needle plate fixing frame, 17 connecting rod, 18 needle plate, 18-1 strip groove, 18-2 protrusion, 19 connecting column. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Reference Figure 1-Figure 5 A double-step feeding mechanism of a lasting machine comprises a housing 1 and a bracket 2 connected to the housing 1, a first motor 3 and a first motor mounting plate 4 are arranged in the housing 1, the first motor 3 is mounted on the first motor mounting plate 4, and the first motor mounting plate 4 is fixedly connected to the housing 1, and the first motor 3 is connected to a first transmission assembly;

[0031] Reference Figure 1A second motor 5 and a second motor mounting plate 6 are provided on one side of the bracket 2. The second motor 5 is mounted on the second motor mounting plate 6, and the second motor mounting plate 6 is fixedly connected to the bracket 2. The second motor 5 is connected to a second transmission assembly.

[0032] Specifically, refer to Figure 3 The first transmission assembly includes a first output wheel 7 connected to the first motor 3, and a vertically arranged first transmission rod 8 is provided on one side of the first output wheel 7; a first driven wheel 9 is sleeved on the lower end of the first transmission rod 8, and the first driven wheel 9 is meshed with the first output wheel 7, and a first feeding wheel 10 is provided on the top of the first transmission rod 8.

[0033] In actual application, the first motor 3 drives the first driven wheel 9 through the first output wheel 7, and then drives the first feeding wheel 10 to rotate through the first transmission rod 8 to realize feeding.

[0034] Specifically, refer to Figure 3 The second transmission assembly includes a second output wheel 11 connected to the second motor 5, a second transmission rod 12 is provided on one side of the second output wheel 11, the top of the second transmission rod 12 passes through the bracket 2 and is sleeved with a second driven wheel 13, and the second driven wheel 13 is meshed with the second output wheel 11; the bottom of the second transmission rod 12 passes through the bracket 2 and is sleeved with a third driven wheel 14, a second feeding wheel 15 is provided on one side of the third driven wheel 14, the second feeding wheel 15 is meshed with the third driven wheel 14, and the second feeding wheel 15 is connected to the bracket 2 through a needle plate fixing bracket 16.

[0035] In actual application, the second motor 5 drives the second output wheel 11 to drive the second driven wheel 13 to rotate, and then drives the third driven wheel 14 to rotate through the second transmission rod 12. Since the third driven wheel 14 is engaged with the second feeding wheel 15, it finally drives the second feeding wheel 15 to realize feeding.

[0036] Specifically, refer to Figure 3 The first feeding wheel 10 and the second feeding wheel 15 are located at the same horizontal position, and a gap is left between the first feeding wheel 10 and the second feeding wheel 15.

[0037] Specifically, the first motor 3 and the second motor 5 are both stepper motors.

[0038] In this embodiment, a first motor 3 and a second motor 5, i.e., a dual stepper motor, are used to drive the first feed wheel 10 and the second feed wheel 15 to feed materials through the first transmission assembly and the second transmission assembly respectively, so as to control the close sewing of the first few stitches and the close sewing after the thread is cut to prevent the thread from falling off; at the same time, the dual stepper motors are used for feeding, which makes its structure simple and has fewer parts, thereby reducing the maintenance frequency of the machine, thereby reducing costs and improving work efficiency; by using dual stepper feeding, the stitch size can be adjusted directly on the electronic control, and the middle segment stitch size can also be adjusted, so that the thread edge is more stable and the operation is more convenient, which not only improves work efficiency but also improves product quality; by using dual stepper feeding, the easy sewing of different materials and different thicknesses can be freely controlled, and the problem of sewing thick materials or relatively hard materials can be more easily solved.

[0039] Specifically, refer to Figure 2 The bracket 2 is fixedly connected to the shell 1 through a connecting rod 17, and the connecting rod 17 is horizontally arranged inside the shell 1.

[0040] In this embodiment, a connecting rod 17 is used here to ensure that the bracket 2 is connected to the housing 1 reliably and stably, and the installation is convenient.

[0041] Specifically, the first output wheel 7, the first driven wheel 9, the second output wheel 11 and the second driven wheel 13 are all conical wheels.

[0042] In this embodiment, a conical wheel is used to make the transmission of the first transmission assembly and the second transmission assembly more flexible, reliable and stable.

[0043] Specifically, refer to Figure 5 The needle plate fixing frame 16 includes a needle plate 18 and a connecting column 19 connected to the needle plate 18, and the connecting column 19 is vertically arranged with the needle plate 18; the upper surface of the needle plate 18 is opened in a strip groove 18-1, and the lower surface of the needle plate 18 is provided with a protrusion 18-2, and the protrusion 18-2 is elliptical.

[0044] In this embodiment, the connection column 19 is used to connect with the bracket 2, the protrusion 18-2 is connected with the second feeding wheel 15, and the strip groove 18-1 is used to match and connect with the feeding needle.

[0045] To sum up, the utility model adopts a first motor and a second motor, that is, a dual stepping motor, which respectively drive two feeding gears to feed materials through a first transmission assembly and a second transmission assembly, so as to control the close sewing of the first few stitches and the close sewing after the thread is cut to prevent the thread from falling off; it has a simple structure and fewer parts, which reduces the maintenance frequency of the machine, thereby reducing costs and improving work efficiency.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double-step feeding mechanism for a lasting machine, comprising a housing (1) and a bracket (2) connected to the housing (1), characterized in that: A first motor (3) and a first motor mounting plate (4) are provided in the housing (1); the first motor (3) is mounted on the first motor mounting plate (4), and the first motor mounting plate (4) is fixedly connected to the housing (1); and the first motor (3) is connected to a first transmission assembly; A second motor (5) and a second motor mounting plate (6) are provided on one side of the bracket (2); the second motor (5) is mounted on the second motor mounting plate (6), and the second motor mounting plate (6) is fixedly connected to the bracket (2); and the second motor (5) is connected to a second transmission assembly.

2. A double-step feeding mechanism for a lasting machine according to claim 1, characterized in that: The first transmission assembly comprises a first output wheel (7) connected to the first motor (3); a first transmission rod (8) arranged vertically is provided on one side of the first output wheel (7); a first driven wheel (9) is sleeved on the lower end of the first transmission rod (8), the first driven wheel (9) is meshed with the first output wheel (7); and a first feeding wheel (10) is provided on the top of the first transmission rod (8).

3. The double-step feeding mechanism of the lasting machine according to claim 2, characterized in that: The second transmission assembly comprises a second output wheel (11) connected to a second motor (5); a second transmission rod (12) is provided on one side of the second output wheel (11); the top of the second transmission rod (12) passes through the bracket (2) and is sleeved with a second driven wheel (13); the second driven wheel (13) is meshed with the second output wheel (11); the bottom of the second transmission rod (12) passes through the bracket (2) and is sleeved with a third driven wheel (14); a second feeding wheel (15) is provided on one side of the third driven wheel (14); the second feeding wheel (15) is meshed with the third driven wheel (14); the second feeding wheel (15) is connected to the bracket (2) via a needle plate fixing frame (16).

4. A double-step feeding mechanism for a lasting machine according to claim 3, characterized in that: The first feeding wheel (10) and the second feeding wheel (15) are located at the same horizontal position, and a gap is left between the first feeding wheel (10) and the second feeding wheel (15).

5. The double-step feeding mechanism of the lasting machine according to claim 1, characterized in that: The first motor (3) and the second motor (5) are both stepping motors.

6. The double-step feeding mechanism of the lasting machine according to claim 1, characterized in that: The bracket (2) is fixedly connected to the housing (1) via a connecting rod (17), and the connecting rod (17) is horizontally arranged inside the housing (1).

7. The double-step feeding mechanism of the lasting machine according to claim 3, characterized in that: The first output wheel (7), the first driven wheel (9), the second output wheel (11) and the second driven wheel (13) are all conical wheels.

8. The double-step feeding mechanism of the lasting machine according to claim 3, characterized in that: The needle plate fixing frame (16) comprises a needle plate (18) and a connecting column (19) connected to the needle plate (18), wherein the connecting column (19) is arranged vertically to the needle plate (18); the upper surface of the needle plate (18) is provided with a strip groove (18-1), and the lower surface of the needle plate (18) is provided with a protrusion (18-2), and the protrusion (18-2) is elliptical.

Images