CN213708711U

CN213708711U - Cloth positioning device for sewing machine

Info

Publication number: CN213708711U
Application number: CN202021528458.1U
Authority: CN
Inventors: 李文虎
Original assignee: Chizhou Taisheng Sew Machinery Technology Co ltd
Current assignee: Chizhou Taisheng Sew Machinery Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-07-16
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a cloth positioner for sewing machine, all rotate side by side in every rectangular channel and install a plurality of snub pulleys, the top of every rectangular channel all is equipped with a U type mounting bracket, rotate side by side between two vertical portions of U type mounting bracket and install the compression roller, U type mounting bracket slidable mounting is on the guide arm, workstation up end right side is equipped with a stop gear, stop gear comprises two limiting plates of relative setting, slider of equal rigid coupling of terminal surface department under every limiting plate, the workstation is opened corresponding to the position of slider has a spout that extends along workstation width direction, relative slip can take place with the spout in the slider embedding spout, two-way lead screw of spout internal rotation installation, two-way lead screw pass two sliders and with slider threaded connection, two slider symmetric arrangement are in two-way lead screw inside and outside both sides, a actuating mechanism who is used for driving cloth walking is installed to workstation left end face department. The utility model has the advantages of novel structure and convenient use.

Description

Cloth positioning device for sewing machine

Technical Field

The utility model relates to a cloth positioner for sewing machine is applied to sewing machine technical field.

Background

The sewing machine is widely applied in the textile industry and life, 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 has the advantages of neat and beautiful sewed stitch, smoothness and firmness, high sewing speed and simple and convenient use. Most of the existing sewing machines lack a positioning mechanism for cloth, some cloth is very long in the processing process, the phenomenon of line deviation can easily occur in the sewing process, the quality of processed products is affected, reworking is carried out on the processed products again, the sewing efficiency is seriously restricted, and the modern mass production is not facilitated.

SUMMERY OF THE UTILITY MODEL

For solving prior art scheme's defect, the utility model discloses a cloth positioner for sewing machine, this application has novel structure, convenient to use's advantage, can prevent effectively that the cloth from taking place the skew in sewing up the in-process line.

The utility model discloses a cloth positioner for sewing machine, include: the sewing machine comprises a workbench, a sewing machine body, rectangular grooves, lower carrier rollers, a U-shaped mounting frame, an upper compression roller, guide rods, a handle, a limiting mechanism and a driving mechanism, wherein the sewing machine body is arranged in the middle of the workbench, the left side and the right side of the upper end face of the workbench are respectively provided with one rectangular groove, each rectangular groove is internally provided with a plurality of lower carrier rollers in parallel in a rotating manner, the top ends of the outer peripheral surfaces of the lower carrier rollers are flush with the surface of the workbench, the U-shaped mounting frame is arranged above each rectangular groove, the U-shaped mounting frame is in an inverted state, the upper vertical compression roller is arranged between the two vertical parts of the U-shaped mounting frame in parallel in a rotating manner, the position of the upper compression roller corresponds to that of the lower carrier rollers, one guide rod is vertically arranged on one side of each of four top angles of the horizontal part of the U-, handle of U type mounting bracket up end center department rigid coupling, workstation up end right side is equipped with a stop gear, stop gear comprises two limiting plates of relative setting, and the equal rigid coupling of terminal surface department slider under every limiting plate, the workstation is opened corresponding to the position of slider has a spout that extends along workstation width direction, can take place the relative slip with the spout in the slider embedding spout, two-way lead screw of spout internal rotation installation, two-way lead screw pass two sliders and with slider threaded connection, two slider symmetries are arranged in the inside and outside both sides of two-way lead screw, an extension rod of outer end rigid coupling of two-way lead screw, the extension rod stretches out handle of one end rigid coupling of the outer terminal surface of workstation, the actuating mechanism that is used for driving cloth walking of installation of workstation left side terminal surface department.

The number of the lower supporting rollers installed in each rectangular groove is 3.

The lower carrier roller and the upper compression roller are made of rubber materials.

The limiting plates are of L-shaped plate structures, the vertical parts of the limiting plates are connected with the sliding blocks, and the horizontal parts of the two limiting plates are arranged face to face.

Actuating mechanism includes two fixed blocks of rigid coupling in the inside and outside both sides of workstation left end face, rotates drive roll of installation between two fixed blocks, installs a inverter motor on the fixed block of outside, inverter motor's output shaft tip and drive roll transmission are connected, a pole setting of the equal vertical rigid coupling of every fixed block left and right sides, roof of the top rigid coupling of pole setting, cylinder of vertical installation on the roof, the piston rod of cylinder passes mount pad of roof and terminal rigid coupling downwards, supplementary roller of mount pad internal rotation installation.

By adopting the technical scheme, the method has the following advantages:

1. the use is convenient;

2. the sewing machine can effectively prevent the cloth from deviating in the sewing process, is convenient for sewing operation and improves the sewing efficiency.

Drawings

FIG. 1 is a schematic view of a cloth positioning device for a sewing machine according to the present invention;

fig. 2 is a schematic top view of the limiting mechanism of the present invention;

fig. 3 is a schematic structural diagram of a driving mechanism in the present invention;

fig. 4 is the structure schematic diagram of the middle limiting plate of the present invention.

Wherein: 1-a workbench; 2-sewing machine body; 3-a rectangular groove; 4-lower supporting roller; 5-U-shaped mounting rack; 6-upper press roll; 7-a guide rod; 8-a handle; 10-a drive mechanism; 91-limiting plate, 92-sliding block; 93-a chute; 94-bidirectional screw rod; 95-an extension rod; 101-fixing block; 102-a drive roll; 103-variable frequency motor; 104-upright stanchion; 105-a top plate; 106-cylinder; 107-mounting seat; 108-auxiliary rolls; 951-handle.

Detailed Description

As shown in fig. 1-4, the utility model discloses a cloth positioner for sewing machine, include: the automatic feeding device comprises a workbench 1, a sewing machine body 2, rectangular grooves 3, lower supporting rollers 4, a U-shaped mounting frame 5, an upper compression roller 6, guide rods 7, a handle 8, a limiting mechanism and a driving mechanism 10, wherein the sewing machine body 2 is installed in the middle of the workbench 1, the left side and the right side of the upper end face of the workbench 1 are respectively provided with the rectangular grooves 3, a plurality of lower supporting rollers 4 are respectively installed in each rectangular groove 3 in a parallel and rotating mode, the top end of the outer peripheral face of each lower supporting roller 4 is flush with the table top of the workbench 1, the U-shaped mounting frame 5 is arranged above each rectangular groove 3, the U-shaped mounting frame 5 is in an inverted state, the upper compression roller 6 is installed between two vertical portions of the U-shaped mounting frame 5 in a parallel and rotating mode, the position of the upper compression roller 6 corresponds to the lower supporting rollers 4, one side of four top angles of the horizontal portion of the U-shaped mounting frame 5 is vertically, u type mounting bracket 5 slidable mounting is on guide arm 7, handle 8 of 5 up end center department rigid coupling of U type mounting bracket, 1 up end right side of workstation is equipped with a stop gear, stop gear comprises two limiting plate 91 of relative setting, and equal rigid coupling of terminal surface department slider 92 under every limiting plate 91, workstation 1 is opened corresponding to slider 92's position has one along the spout 93 of workstation 1 width direction extension, slider 92 imbeds in the spout 93 and can take place relative slip with spout 93, two-way lead screw 94 of spout 93 internal rotation installation, two-way lead screw 94 pass two sliders 92 and with slider 92 threaded connection, two sliders 92 symmetrical arrangement in the inside and outside both sides of two-way lead screw 94, an extension rod 95 of two-way lead screw 94's outer end rigid coupling, handle 951 is stretched out to extension rod 95 one end rigid coupling of workstation 1 outer terminal surface, and a driving mechanism 10 for driving cloth to travel is arranged at the left end face of the workbench 1.

The number of the lower supporting rollers 4 installed in each rectangular groove 3 is 3.

The lower carrier roller 4 and the upper press roller 6 are made of rubber materials.

The limiting plates 91 are of L-shaped plate structures, the vertical parts of the limiting plates 91 are connected with the sliding blocks 92, and the horizontal parts of the two limiting plates 91 are arranged face to face.

Actuating mechanism 10 includes two fixed blocks 101 of rigid coupling in the inside and outside both sides of 1 left end face of workstation, rotates drive roll 102 of installation between two fixed blocks 101, frequency conversion motor 103 of installation on the fixed block 101 in the outside, the output shaft tip and the drive roll 102 transmission of frequency conversion motor 103 are connected, pole setting 104 of the equal vertical rigid coupling in every fixed block 101 left and right sides, roof 105 of the top rigid coupling of pole setting 104, cylinder 106 of vertical installation on roof 105, the piston rod of cylinder 106 passes mount pad 107 of roof 105 and terminal rigid coupling downwards, supplementary roller 108 of installation of the internal rotation of mount pad 107.

The utility model discloses an implement like this: when using, at first adjust the interval between two limiting plates 91 through handle 951, make its width phase-match with cloth, cloth is from two limiting plates 91 of right-left side in proper order, behind two rectangular channel 3's top, the cloth left end is compressed tightly between drive roll 102 and the auxiliary roll 108 on actuating mechanism 10, cloth passes through from limiting plate 91's horizontal part below, cloth is when passing through rectangular channel 3, it compresses tightly on the cloth surface to go up compression roller 6 under the action of gravity, start inverter motor 103 and can drive cloth walking like this, because limiting plate 9, go up compression roller 6, the existence of snub pulley 4, can guarantee that cloth can not appear the off tracking sewing up the in-process, thereby improve and sew up efficiency, guarantee the quality of final product.

Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.

Claims

1. A cloth positioning device for a sewing machine, comprising: workstation, sewing machine organism, rectangular channel, snub pulley, U type mounting bracket, go up compression roller, guide arm, handle, stop gear, actuating mechanism, the sewing machine organism is installed at the workstation middle part, its characterized in that: the left side and the right side of the upper end face of the workbench are respectively provided with a rectangular groove, a plurality of lower supporting rollers are rotatably installed in each rectangular groove side by side, the top end of the outer peripheral surface of each lower supporting roller is flush with the workbench surface, a U-shaped installation frame is arranged above each rectangular groove, each U-shaped installation frame is in an inverted state, an upper compression roller is rotatably installed between two vertical parts of each U-shaped installation frame side by side, the position of each upper compression roller corresponds to that of each lower supporting roller, one side of each of four top angles of a horizontal part of each U-shaped installation frame is vertically provided with a guide rod, the guide rod penetrates through the lower end of each U-shaped installation frame and is fixedly connected onto the workbench, each U-shaped installation frame is slidably installed on the guide rod, a handle is fixedly connected to the center of the upper end face of each U-shaped installation frame, the right side, slider of equal rigid coupling of terminal surface department under every limiting plate, the workstation is opened corresponding to the position of slider has one along the spout that workstation width direction extends, can take place the relative slip with the spout in the slider embedding spout, two-way lead screw of spout internal rotation installation, two-way lead screw pass two sliders and with slider threaded connection, two slider symmetrical arrangement in two-way lead screw inside and outside both sides, an extension rod of outer end rigid coupling of two-way lead screw, handle of one end rigid coupling that the extension rod stretches out the outer terminal surface of workstation, a actuating mechanism who is used for driving cloth walking is installed to workstation left end face department.

2. A cloth positioning apparatus for a sewing machine according to claim 1, wherein: the number of the lower supporting rollers installed in each rectangular groove is 3.

3. A cloth positioning apparatus for a sewing machine according to claim 1, wherein: the lower carrier roller and the upper compression roller are made of rubber materials.

4. A cloth positioning apparatus for a sewing machine according to claim 1, wherein: the limiting plates are of L-shaped plate structures, the vertical parts of the limiting plates are connected with the sliding blocks, and the horizontal parts of the two limiting plates are arranged face to face.

5. A cloth positioning apparatus for a sewing machine according to claim 1, wherein: actuating mechanism includes two fixed blocks of rigid coupling in the inside and outside both sides of workstation left end face, rotates drive roll of installation between two fixed blocks, installs a inverter motor on the fixed block of outside, inverter motor's output shaft tip and drive roll transmission are connected, a pole setting of the equal vertical rigid coupling of every fixed block left and right sides, roof of the top rigid coupling of pole setting, cylinder of vertical installation on the roof, the piston rod of cylinder passes mount pad of roof and terminal rigid coupling downwards, supplementary roller of mount pad internal rotation installation.