CN210916532U

CN210916532U - Cloth pressing positioning device for sewing machine

Info

Publication number: CN210916532U
Application number: CN201921506020.0U
Authority: CN
Inventors: 方云
Original assignee: Suzhou Optika Sewing Machine Co
Current assignee: Suzhou Optika Sewing Machine Co
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-07-03
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to a sewing machine field specifically is a cloth pressing positioner for sewing machine, the on-line screen storage device comprises a base, the top overlap joint of base has the workstation, the fixed plate has been erect to the rear end of base, and the front end of fixed plate installs sewing machine head, sewing machine head's front end joint has the panel, and sewing machine head's front end bottom is equipped with the presser foot, and is provided with the sewing needle between the presser foot, the front end of fixed plate and the below that is located sewing machine head are equipped with the slider, the horizontal welding of front end of slider has the support, the front end both sides gomphosis of support has the bearing, the support has the compression roller through bearing swing joint. This application adopts adjustable's cloth pressing mechanism to flatten the cloth on the sewing machine, prevents that the cloth from producing the fold when sewing up, changes traditional sewing machine and need use the shortcoming of manual flattening of going on, compares in fixed flattening mechanism simultaneously, and this application can adjust flattening mechanism's height.

Description

Cloth pressing positioning device for sewing machine

Technical Field

The utility model relates to a sewing machine field specifically is a cloth pressing positioner for sewing machine.

Background

The sewing machine is a machine which forms one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, and when the sewing machine is used for processing the sewing material such as cloth, the sewing machine needs to process the sewing material after tensioning the sewing material, so that the processing is prevented from being carried out under the condition that the sewing material is folded, and the quality of the sewing material is prevented from being influenced.

Usually, the cloth pressing device is tensioned by hands of a worker, the workload of the worker is increased, the processing efficiency is influenced, and the Chinese patent discloses a cloth pressing device (CN208309105U) of a sewing machine, wherein a first cloth pressing roller and a second cloth pressing roller achieve the pressing of cloth, the cloth pressing rollers cannot be adjusted, and the cloth placing or taking is troublesome. Accordingly, those skilled in the art have provided a cloth pressing positioning device for a sewing machine to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cloth pressing positioner for sewing machine is with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a presser cloth positioner for sewing machine, includes the base, the top overlap joint of base has the workstation, the fixed plate has been erect to the rear end of base, and the front end of fixed plate installs sewing machine head, sewing machine head's front end joint has the panel, and sewing machine head's front end bottom is equipped with the presser foot, and is provided with the sewing needle between the presser foot, the front end of fixed plate and the below that is located sewing machine head are equipped with the slider, the front end horizontal welding of slider has the support, the front end both sides gomphosis of support has the bearing, the support has the compression roller through bearing swing joint.

As a further aspect of the present invention: the top of fixed plate installs the driver, and the drive end of driver is connected with the screw rod, the screw rod runs through the slider.

As a further aspect of the present invention: the front end of the fixed plate is symmetrically provided with a group of guide rails by taking the screw as a center, and the sliding block is connected to the guide rails in a sliding manner.

As a further aspect of the present invention: the inside motor that is provided with of slider, the support is hollow structure, and the rear side center department of support is provided with driving sprocket, driving sprocket and the drive end of motor are connected.

As a further aspect of the present invention: the rear end of the compression roller is sleeved with a driven chain wheel, and a chain is meshed between the driven chain wheel and the driving chain wheel.

As a further aspect of the present invention: the presser foot is located at the center between the two compression rollers and is of an L-shaped structure, a through groove is longitudinally formed in the lower end of the presser foot, and the sewing needle is located at the center of the through groove.

As a further aspect of the present invention: the height of the etched thread on the screw is equal to the height of the sewing machine head from the workbench.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts an adjustable cloth pressing mechanism to press the cloth on the sewing machine, prevent the cloth from generating folds when sewing, change the defect that the traditional sewing machine needs to be pressed manually, simultaneously, compared with a fixed pressing mechanism, the utility model can adjust the height of the pressing mechanism, utilize a driver to drive a screw to rotate, drive a slider of a connecting support to move through the screw, limit the slider through a guide rail, only carry out lifting motion, so that a press roller movably connected on the support can move along with the slider, simultaneously, the press roller can also rotate, utilize friction force to draw the sewn cloth away and transmit parts needing sewing, because the cloth is transmitted and the cloth is drawn out to synchronously move, prevent the sewing machine from idling, therefore, a motor drives a driving chain wheel to rotate, then the driving chain wheel utilizes a chain to drive driven chain wheels at the rear ends of the two press rollers to rotate, thus, the two press rolls can synchronously rotate.

Drawings

FIG. 1 is a schematic view of a cloth pressing positioning device for a sewing machine;

FIG. 2 is a schematic view showing a movement structure of a pressing roller in a cloth pressing and positioning device for a sewing machine;

FIG. 3 is a schematic view of a lifting structure of a support in a cloth pressing positioning device for a sewing machine.

In the figure: 1. a driver; 2. a fixing plate; 3. a slider; 4. a support; 5. a work table; 6. a base; 7. a sewing machine head; 8. a panel; 9. a sewing needle; 10. a presser foot; 11. a compression roller; 12. a bearing; 13. a chain; 14. a drive sprocket; 15. a driven sprocket; 16. a screw; 17. a guide rail.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the present invention, a cloth pressing positioning device for sewing machine, including a base 6, a workbench 5 is lapped on the top of the base 6, a fixing plate 2 is erected at the rear end of the base 6, and a sewing machine head 7 is installed at the front end of the fixing plate 2, a panel 8 is clamped at the front end of the sewing machine head 7, a presser foot 10 is arranged at the bottom of the front end of the sewing machine head 7, a sewing needle 9 is arranged between the presser foot 10, a slider 3 is arranged below the front end of the fixing plate 2 and located below the sewing machine head 7, a support 4 is horizontally welded at the front end of the slider 3, a bearing 12 is embedded at two sides of the front end of the support 4, and the support 4 is movably connected with.

In fig. 3, driver 1 is installed at the top of fixed plate 2, and the drive end of driver 1 is connected with screw rod 16, and screw rod 16 runs through slider 3, need place the cloth and change the angle of cloth when making up the cloth, just need make the compression roller 11 lifting of compress this moment, drive screw rod 16 through driver 1 and rotate, and screw rod 16 utilizes the screw motion principle can drive slider 3 and go up and down, and slider 3 just can drive the motion of support 4 of installing compression roller 11 at the in-process that goes up and down.

In fig. 3, a set of guide rails 17 is symmetrically arranged at the front end of the fixing plate 2 by taking the screw 16 as a center, the slider 3 is slidably connected to the guide rails 17, and the slider 3 needs a restraining force in the lifting process to prevent the slider 3 from being driven by the screw 16 to rotate, so that the slider 3 can be restrained by the guide rails 17.

In fig. 2, a motor is arranged inside the sliding block 3, the support 4 is of a hollow structure, a driving chain wheel 14 is arranged at the center of the rear side of the support 4, the driving chain wheel 14 is connected with the driving end of the motor, if only the pressing of the press roller 11 on the cloth is realized, parts can be stacked, the press roller 11 needs to rotate to enable the cloth to be sewn to be sent out by using friction force, the cloth to be sewn is sent in, the driving chain wheel 14 is driven to rotate by the motor, and the press roller 11 can be rotated by the driving chain wheel 14 by using the chain 13 to drive the driven chain wheel 15 to rotate.

In fig. 2, a driven sprocket 15 is sleeved at the rear end of the press roll 11, a chain 13 is engaged between the driven sprocket 15 and the driving sprocket 14, and the driving sprocket 14 drives the driven sprocket 15 to rotate by the chain 13, so that the press roll 11 can rotate.

In fig. 1, the presser foot 10 is located at the center between two pressing rollers 11, and the presser foot 10 is in an L-shaped structure, a through groove is longitudinally formed at the lower end of the presser foot 10, the sewing needle 9 is located at the center of the through groove, the L-shaped structure can press the point to be sewn of the cloth, and the through groove provides a needle falling point for the sewing needle 9.

In fig. 3, the height of the thread etched on the screw 16 is equal to the height of the sewing head 7 from the table 5, because the distance between the sewing head 7 and the table 5 is the maximum extent to which the support 4 can be lifted, the thread etching only needs to be satisfied at that height.

The utility model discloses a theory of operation is: when the device is used, the screw 16 is driven to rotate by the driver 1 (the model is Y80M1-2), the etching height of the thread on the screw 16 is equal to the height of the sewing machine head 7 from the workbench 5, and the distance between the sewing machine head 7 and the workbench 5 is the maximum range of the lifting of the bracket 4, so the etching of the thread only needs to meet the height, the screw 16 can drive the slider 3 to lift by utilizing the principle of thread motion in the rotating process, but the slider 3 only needs to move up and down, so the slider 3 needs to have a constraint force in the lifting process to prevent the slider 3 from being driven to rotate by the screw 16, the slider 3 can be constrained by the guide rail 17, at the moment, the press roller 11 is separated from the joint with the workbench 5, cloth is placed on the workbench 5, then the presser foot 10 is put down, the presser foot 10 is positioned at the center between the two press rollers 11, and the presser foot 10 is L-shaped structure, the lower end of the presser foot 10 is provided with a through groove along the longitudinal direction, the sewing needle 9 is positioned at the center of the through groove, the L-shaped structure can press the point of the cloth to be sewn, the through groove provides a needle drop point for the sewing needle 9, the driver 1 is started again, the driver 1 drives the screw 16 to rotate, the screw 16 enables the slide block 3 to descend, the support 4 descends along with the point to enable the press roller 11 to be attached to the cloth to be pressed, the sewing needle 9 sews the cloth, in the sewing process, if the press roller 11 only compresses the cloth, the parts can be stacked, therefore, the press roller 11 also needs to rotate to utilize the friction force to enable the sewn cloth to be sent out and to be sent into the cloth to be sewn, because the cloth is transferred and taken out to be synchronously moved, the sewing machine is prevented from idling, the drive sprocket 14 to rotate through the motor, then the drive sprocket 14 utilizes the chain 13, two compression rollers 11 just can realize synchronous rotations like this, and this application adopts adjustable's cloth pressing mechanism to flatten the cloth on the sewing machine, prevents that the cloth from producing the fold when sewing up, changes traditional sewing machine and need use the shortcoming that manual going on flattening, compares in fixed flattening mechanism simultaneously, can also adjust flattening mechanism's height.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cloth pressing positioner for sewing machine, includes base (6), its characterized in that: the sewing machine is characterized in that a workbench (5) is lapped at the top of the base (6), a fixing plate (2) is erected at the rear end of the base (6), a sewing machine head (7) is installed at the front end of the fixing plate (2), a panel (8) is connected to the front end of the sewing machine head (7) in a clamping mode, a presser foot (10) is arranged at the bottom of the front end of the sewing machine head (7), a sewing needle (9) is arranged between the presser feet (10), a sliding block (3) is arranged below the front end of the fixing plate (2) and located below the sewing machine head (7), a support (4) is horizontally welded at the front end of the sliding block (3), bearings (12) are embedded on two sides of the front end of the support (4), and the support (4) is movably connected with a pressing roller (.

2. The cloth pressing and positioning device for the sewing machine is characterized in that a driver (1) is installed at the top of the fixing plate (2), a screw (16) is connected to the driving end of the driver (1), and the screw (16) penetrates through the sliding block (3).

3. The cloth pressing and positioning device for the sewing machine as claimed in claim 2, wherein the front end of the fixed plate (2) is symmetrically provided with a set of guide rails (17) by taking the screw (16) as a center, and the sliding block (3) is slidably connected on the guide rails (17).

4. The cloth pressing and positioning device for the sewing machine as claimed in claim 1, wherein the slider (3) is internally provided with a motor, the bracket (4) is of a hollow structure, and a driving chain wheel (14) is arranged at the center of the rear side of the bracket (4), and the driving chain wheel (14) is connected with the driving end of the motor.

5. The cloth pressing and positioning device for the sewing machine as claimed in claim 1, wherein a driven sprocket (15) is sleeved at the rear end of the pressing roller (11), and a chain (13) is engaged between the driven sprocket (15) and the driving sprocket (14).

6. The cloth pressing and positioning device for the sewing machine as claimed in claim 1, wherein the presser foot (10) is located at the center between the two pressing rollers (11), the presser foot (10) is in an L-shaped structure, a through groove is longitudinally formed at the lower end of the presser foot (10), and the sewing needle (9) is located at the center of the through groove.

7. The cloth pressing and positioning device for the sewing machine as claimed in claim 2, wherein the thread etching height on the screw (16) is equal to the height of the sewing machine head (7) from the workbench (5).