CN215628613U

CN215628613U - Auxiliary conveying device of sewing machine

Info

Publication number: CN215628613U
Application number: CN202122173954.0U
Authority: CN
Inventors: 陈洪锦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-25
Anticipated expiration: 2031-09-08

Abstract

The utility model provides an auxiliary conveying device of a sewing machine, and relates to the field of sewing machines. The cloth feeding device comprises a power assembly in transmission connection with a sewing machine, a conveying assembly for conveying cloth, an installation assembly for installing with a sewing machine body and a transmission shaft movably arranged on the installation assembly; the power assembly and the conveying assembly are arranged on the mounting assembly, one end of the transmission shaft is connected with the power assembly, and the other end of the transmission shaft is connected with the conveying assembly. The mounting component can be fixed on the machine body of the sewing machine, and along with the operation of the sewing machine, the sewing machine can drive the power component to operate together, and then the power component drives the conveying component to operate; when the sewing machine works, one part of cloth can be located above the conveying assembly, the conveying assembly drives the cloth to move, the cloth is prevented from being manually transferred by an operator, convenience and practicability are realized, and the working efficiency is improved.

Description

Auxiliary conveying device of sewing machine

Technical Field

The utility model relates to the field of sewing machines, in particular to an auxiliary conveying 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. Among the prior art, when people sew up the cloth with the sewing machine, need shift the cloth on the sewing machine operation platform with the hand, the operation is very boring, and long-time work can lead to people's arm acid swelling, influences work efficiency, and prior art lacks a device that can shift the cloth along with going on of sewing machine sew up the cloth is automatic.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary conveying device of a sewing machine, which can convey cloth on an operating platform of the sewing machine, is simple in structure, convenient and practical and improves the working efficiency.

The embodiment of the utility model is realized by the following steps:

the embodiment of the application provides an auxiliary conveying device of a sewing machine, which comprises a power assembly in transmission connection with the sewing machine, a conveying assembly for conveying cloth, an installation assembly for installing with a sewing machine body and a transmission shaft movably arranged on the installation assembly; the power assembly and the conveying assembly are arranged on the mounting assembly, one end of the transmission shaft is connected with the power assembly, and the other end of the transmission shaft is connected with the conveying assembly.

In some embodiments of the present invention, the power assembly includes a first transmission member, a driving wheel for being mounted on the rotating wheel of the sewing machine, and a driven wheel movably disposed on the mounting assembly; the driving wheel and the driven wheel are both in transmission connection with the first transmission piece, and one end, far away from the transmission assembly, of the transmission shaft is connected with the driven wheel.

In some embodiments of the present invention, the driving wheel and the driven wheel are both belt pulleys, and the first transmission member is a belt.

In some embodiments of the present invention, the driving wheel and the driven wheel are both chain wheels, and the first conveying member is a conveying chain.

In some embodiments of the present invention, the power assembly further includes a guide wheel and a connecting assembly for adjusting the height of the guide wheel, the guide wheel is rotatably disposed on the connecting assembly, and the guide wheel is in transmission connection with the first transmission member; the power assembly is arranged on the mounting assembly.

In some embodiments of the present invention, the connecting assembly includes a first fastening member, a second fastening member, a first connecting member rotatably connected to the guide wheel, and a second connecting member disposed on the mounting assembly; the first connecting piece is provided with a plurality of first mounting holes, the second connecting piece is provided with a plurality of second mounting holes, and the first fastener passes through the first mounting holes and the second mounting holes and is detachably connected with the second fastener.

In some embodiments of the utility model, the mounting assembly is provided with a first protective cover for protecting the power assembly.

In some embodiments of the utility model, the mounting assembly is provided with a second shield for protecting the drive shaft.

In some embodiments of the present invention, the conveying assembly includes a second conveying member and a plurality of slide rollers rotatably coupled to the mounting assembly, each slide roller being drivingly coupled to the second conveying member.

In some embodiments of the utility model, the mounting assembly is provided with a stop for limiting the axial movement of the second conveying member.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the mounting component can be fixed on the machine body of the sewing machine, and along with the operation of the sewing machine, the sewing machine can drive the power component to operate together, and then the power component drives the conveying component to operate; when the sewing machine works, one part of cloth can be located above the conveying assembly, the conveying assembly drives the cloth to move, the cloth is prevented from being manually transferred by an operator, convenience and practicability are realized, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a partial cross-sectional view of an auxiliary conveyor of a sewing machine according to an embodiment of the present invention;

FIG. 2 is another partial cross-sectional view of an auxiliary conveyor of a sewing machine according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural view of a drive shaft and transfer assembly according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a belt and pulley construction according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a sprocket and a conveyor chain in accordance with an embodiment of the present invention;

fig. 7 is a cross-sectional view of a slide roller and a second conveying member according to an embodiment of the present invention.

Icon: 1-a first transport; 2-driving wheel; 3-driven wheel; 4-a transmission shaft; 5-a belt; 6-belt pulley; 7-a sprocket; 8-a conveyor chain; 9-a guide wheel; 10-a first mounting frame; 11-a first fastener; 12-a second fastener; 13-a first mounting hole; 14-a second mounting hole; 15-a first connector; 16-a second connector; 17-a first shield; 18-a second shield; 19-a second transfer element; 20-a sliding roller; 21-a limiting block; 22-second mounting frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when using, the terms are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1-4, the present embodiment provides an auxiliary transmission device for a sewing machine, which includes a power assembly in transmission connection with the sewing machine, a transmission assembly for transmitting cloth, an installation assembly for installing with a sewing machine body, and a transmission shaft 4 movably disposed on the installation assembly; the power assembly and the conveying assembly are arranged on the mounting assembly, one end of the transmission shaft 4 is connected with the power assembly, and the other end of the transmission shaft 4 is connected with the conveying assembly.

In this embodiment, the mounting assembly is fixed to a machine body of the sewing machine, for example, an operating platform, generally speaking, the sewing machine has a main shaft, the main shaft rotates when the sewing machine works, and the power assembly of this embodiment is in transmission connection with the main shaft of the sewing machine. The conveying assembly and the operating platform of the sewing machine are positioned on the same horizontal plane, when an operator sews cloth by the sewing machine, the cloth is directly lapped on the operating platform, and at the moment, one part of the cloth is lapped above the conveying assembly. When the sewing machine during operation, the sewing machine drives power component work, and power component drives transmission shaft 4 again and rotates, and transmission shaft 4 then drives the conveying subassembly operation, guarantees that the conveying subassembly can drive the cloth and remove, avoids operating personnel manual to shift the cloth, and convenient and practical improves work efficiency.

Example 2

Referring to fig. 1-4, the present embodiment provides an auxiliary conveying device of a sewing machine, which has substantially the same structure as embodiment 1, except that:

in the embodiment, the power assembly comprises a first transmission member 1, a driving wheel 2 for being mounted on a rotating wheel of the sewing machine and a driven wheel 3 movably arranged on the mounting assembly; the driving wheel 2 and the driven wheel 3 are both in transmission connection with the first transmission piece 1, and one end, far away from the transmission assembly, of the transmission shaft 4 is connected with the driven wheel 3.

In detail, the driving wheel 2 is connected with a main shaft of the sewing machine, the driving wheel 2 rotates and pulls the first transmission piece 1 to move as soon as the main shaft rotates, the first transmission piece 1 is sleeved on the driving wheel 2 and the outer side of the driven wheel 3, the first transmission piece 1 also rotates, and the first transmission piece 1 drives the driven wheel 3 and the transmission shaft 4 to rotate.

Example 3

Referring to fig. 2 and 5, the present embodiment provides an auxiliary conveying device of a sewing machine, which has substantially the same structure as embodiment 1, except that:

in the embodiment, the driving wheel 2 and the driven wheel 3 are both belt 5 wheels, and the first conveying member 1 is a belt 5.

In detail, the transmission between the belt 5 and the belt 5 wheel belongs to belt transmission, and the belt 5 wheel is driven to rotate by using the friction force between the belt 5 and the belt 5 wheel. The belt 5 can be made of rubber materials, and the belt 5 has elasticity, can alleviate impact and vibration load, runs stably and reduces noise; when the load that the transmission assembly transmitted to follow driving wheel 3 is great, belt 5 can skid on following driving wheel 3, can prevent that the resistance from transmitting to action wheel 2, leads to sewing machine's main shaft to rotate and receives the influence.

Example 4

Referring to fig. 2 and 6, the present embodiment provides an auxiliary conveying device of a sewing machine, which has substantially the same structure as embodiment 3, except that:

in this embodiment, the driving pulley 2 and the driven pulley 3 are both chain wheels 7, and the first conveying member 1 is a conveying chain 8.

In detail, the conveying chain 8 is sleeved outside the driving wheel 2 and the driven wheel 3, the chain transmission structure is simple, the chain transmission structure can be suitable for severe working environments, large loads can be transmitted, namely heavy sewing cloth can be transmitted, correspondingly, the rotation of the driving wheel 2 can be subjected to large resistance, and operators can feel more labourer in a relatively belt transmission mode when operating the sewing machine.

Example 5

Referring to fig. 2-3, the present embodiment provides an auxiliary conveying device of a sewing machine, which has substantially the same structure as embodiment 1, except that:

in this embodiment, the power assembly further includes a guide wheel 9 and a connecting assembly for adjusting the height of the guide wheel 9, the guide wheel 9 is rotatably disposed on the connecting assembly, and the guide wheel 9 is in transmission connection with the first transmission member 1; the power assembly is arranged on the mounting assembly.

In detail, the driving wheel 2 is located on an operating platform of the sewing machine, the central axis of the driven wheel 3 is located on the same horizontal plane with the operating platform, when the first transmission member 1 is sleeved outside the driving wheel 2 and the driven wheel 3, the first transmission member 1 is likely to interfere with the operating platform to a certain extent, and therefore a roller is required to be arranged for changing the bypassing direction of the first transmission member 1. In this embodiment, the mounting assembly includes first mounting bracket 10, and first mounting bracket 10 is used for fixed driven wheel 3, coupling assembling and transmission shaft 4, and the connected mode of first mounting bracket 10 and operation platform can be bolted connection's mode, sets up a plurality of through-holes at first mounting bracket 10 promptly, and reuse bolt passes the through-hole and is connected with operation platform.

The installation position of guide pulley 9 and coupling assembling in vertical direction can be adjusted, guarantees that the height of guide pulley 9 relative operation platform can be adjusted. The first conveying member 1 is abutted against the upper part of the guide wheel 9, and if the first conveying member 1 is the belt 5, the guide wheel 9 has a certain tensioning effect on the first conveying member 1. The guide wheel 9 is tangent to the driven wheel 3, so that the first transmission piece 1 can smoothly match with the driven wheel 3 after bypassing the guide wheel 9.

Example 6

Referring to fig. 3, the present embodiment provides an auxiliary conveying device of a sewing machine, which has substantially the same structure as that of embodiment 1, except that:

in the embodiment, the connecting assembly comprises a first fastener 11, a second fastener 12, a first connecting piece 15 connected with the guide wheel 9 in a rotating way, and a second connecting piece 16 arranged on the mounting assembly; the first connecting member 15 is provided with a plurality of first mounting holes 13, the second connecting member 16 is provided with a plurality of second mounting holes 14, and the first fastening member 11 passes through the first mounting holes 13 and the second mounting holes 14 and is detachably connected with the second fastening member 12.

In detail, the first fastening member 11 may be a bolt, the second fastening member 12 may be a nut, and the first fastening member 11 is threadedly coupled with the second fastening member 12. The first mounting hole 13 and the second mounting hole 14 are both clearance-fitted with the first fastener 11. The number of the first mounting holes 13 and the number of the second mounting holes 14 can be multiple, the first mounting holes 13 are arranged along the long edges of the first connecting pieces 15, the second mounting holes 14 are arranged along the long edges of the second connecting pieces 16, different first mounting holes 13 and different second mounting holes 14 correspond to each other, and then the first fastening pieces 11 penetrate through the first mounting holes 13 and the second mounting holes 14 and are in threaded connection with the second fastening pieces 12, so that the height of the second connecting pieces 16 relative to the first connecting pieces 15 can be changed, and the height change of the guide wheels 9 is realized. The guide wheel 9 is rotatably connected to a first connecting element 15.

Example 7

Referring to fig. 1, the present embodiment provides an auxiliary conveying device of a sewing machine, which has substantially the same structure as embodiment 1, except that:

in this embodiment the mounting assembly is provided with a first protective cover 17 for protecting the power assembly.

In detail, the driving wheel 2, the first transmission part 1 and the driven wheel 3 can be positioned inside the first protection cover 17, the first protection cover 17 can prevent external dust and impurities from being accumulated on the first transmission part 1, the driving wheel 2 and the driven wheel 3, certain jamming occurs when the first transmission part 1 moves, and the first transmission part 1 can be separated from the driving wheel 2 or the driven wheel 3 in serious conditions.

Example 8

in this embodiment the mounting assembly is provided with a second protective cover 18 for protecting the drive shaft 4.

In detail, the diameter of the transmission shaft 4 is smaller than the thickness of an operation platform of the sewing machine, in order to ensure the smoothness of the transmission shaft 4 during rotation, an operator can paint a layer of lubricating oil on the outer side wall of the transmission shaft 4, but when the sewn cloth slides out of the operation platform, the cloth is likely to contact with the transmission shaft 4, so that the lubricating oil is adhered to the cloth. Secondly, when the transmission shaft 4 rotates, after the cloth contacts the transmission shaft 4, the cloth is likely to be rolled into a gap between the transmission shaft 4 and the operation platform. Thereby, a second protective cover 18 is established to avoid the cloth from contacting the drive shaft 4.

Example 9

in this embodiment, the transfer assembly includes a second transfer member 19 and a plurality of slide rollers 20 rotatably coupled to the mounting assembly, each slide roller 20 being drivingly coupled to the second transfer member 19.

In detail, the mounting assembly includes a second mounting bracket 22, and the width of the second mounting bracket 22 may be the same as the width of the operation platform. The sliding rollers 20 are rotatably connected to the second mounting frame 22, the second transmission member 19 is sleeved on the outer side wall of the sliding rollers 20, the number of the sliding rollers 20 can be two, one of the sliding rollers 20 is connected to the transmission shaft 4, and the other sliding roller 20 is rotatably connected to the second mounting frame 22. The cloth is placed above the second conveyor 19.

The second conveying member 19 can be a PVC conveyor belt, which has good elasticity and is not easy to deform. The high-strength high-quality cotton, nylon and polyester canvas are used as belt core, and the pure natural rubber pollution-free compounding agent is used to make white or light color, so that it has no pollution and does not affect the food sanitation and peculiar smell covering layer.

Example 10

Referring to fig. 4, the present embodiment provides an auxiliary conveying device of a sewing machine, which has substantially the same structure as that of embodiment 1, except that:

in this embodiment, the mounting assembly is provided with a stop 21 for limiting the axial movement of the second transfer member 19.

In detail, the limiting block 21 is disposed on the second mounting frame 22, and the existence of the limiting block 21 ensures that the second conveying member 19 does not axially move or even separate from the sliding roller 20 when rotating along with the sliding roller 20.

In summary, the embodiments of the present invention provide an auxiliary conveying device for a sewing machine:

comprises a power component in transmission connection with the sewing machine, a conveying component for conveying cloth, an installation component for installing with the sewing machine body and a transmission shaft 4 movably arranged on the installation component; the power assembly and the conveying assembly are arranged on the mounting assembly, one end of the transmission shaft 4 is connected with the power assembly, and the other end of the transmission shaft 4 is connected with the conveying assembly.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An auxiliary conveying device of a sewing machine is characterized by comprising a power assembly in transmission connection with the sewing machine, a conveying assembly for conveying cloth, an installation assembly for installing with a sewing machine body and a transmission shaft movably arranged on the installation assembly; the power assembly and the conveying assembly are arranged on the mounting assembly, one end of the transmission shaft is connected with the power assembly, and the other end of the transmission shaft is connected with the conveying assembly.

2. The auxiliary conveyor of a sewing machine as claimed in claim 1, wherein the power assembly includes a first conveyor, a drive wheel for mounting to a wheel of the sewing machine, and a driven wheel movably mounted to the mounting assembly; the driving wheel and the driven wheel are in transmission connection with the first transmission piece, and one end, far away from the transmission assembly, of the transmission shaft is connected with the driven wheel.

3. An auxiliary conveyor for a sewing machine as defined in claim 2 wherein the drive pulley and the driven pulley are both pulleys and the first conveyor is a belt.

4. An auxiliary conveyor of a sewing machine as claimed in claim 2, wherein the drive wheel and the driven wheel are both sprockets and the first conveyor is a conveyor chain.

5. The auxiliary conveying device of the sewing machine as claimed in claim 2, wherein the power assembly further comprises a guide wheel and a connecting assembly for adjusting the height of the guide wheel, the guide wheel is rotatably arranged on the connecting assembly, and the guide wheel is in transmission connection with the first conveying member; the power assembly is arranged on the mounting assembly.

6. The auxiliary conveyor of a sewing machine as claimed in claim 5, wherein the connecting assembly includes a first fastener, a second fastener, a first connecting member rotatably connected to the guide wheel, and a second connecting member provided to the mounting assembly; the first connecting piece is provided with a plurality of first mounting holes, the second connecting piece is provided with a plurality of second mounting holes, and the first fastener penetrates through the first mounting holes and the second mounting holes and is detachably connected with the second fastener.

7. The auxiliary conveyor of a sewing machine of claim 5, wherein the mounting assembly is provided with a first protective cover for protecting the power assembly.

8. The auxiliary conveyor of a sewing machine of claim 2, wherein the mounting assembly is provided with a second protective cover for protecting the drive shaft.

9. The auxiliary conveyor of a sewing machine of claim 2, wherein the conveyor assembly includes a second conveyor and a plurality of rollers rotatably coupled to the mounting assembly, any of the rollers being drivingly coupled to the second conveyor.

10. The auxiliary conveyor of a sewing machine as in claim 9, wherein the mounting assembly is provided with a stop for limiting axial movement of the second conveyor.