CN219450086U

CN219450086U - Sewing fabric tension detection device

Info

Publication number: CN219450086U
Application number: CN202320686759.4U
Authority: CN
Inventors: 胡海松; 吴萍
Original assignee: Hikari Shanghai Precise Machinery Science & Technology Co Ltd
Current assignee: Hikari Shanghai Precise Machinery Science & Technology Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-01
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the field of sewing, in particular to a tension detection device for sewing fabric, which comprises a horizontal plate, wherein the horizontal plate is arranged on a sewing machine, and the bottom surface of the horizontal plate is used for abutting against the sewing fabric; a rotation shaft rotatably mounted on the horizontal plate; one end of the rotating component is connected with the rotating shaft, and the other end of the rotating component is used for propping against the sewing fabric; the inductor is positioned on one side of the rotating shaft and is electrically connected with the controller of the annular lower hem machine, wherein when the horizontal plate is completely attached to the sewing fabric, the rotating assembly drives the rotating shaft to rotate, the inductor converts the rotation of the rotating shaft into an electric signal, and the controller stops expanding the sewing fabric after receiving the signal sent by the inductor. Clothes with different fabrics and specifications can be sewn, so that mixed code sewing is achieved, and the applicability of the annular lower hem machine is improved.

Description

Sewing fabric tension detection device

Technical Field

The utility model relates to the field of sewing, in particular to a tension detection device for a sewn fabric.

Background

When circular sewing is performed on a round neck shirt, underwear, or the like, a factory needs to take experienced workers or take some time to cultivate new people to ensure that the produced product meets customer requirements. Based on this, begin to make automation equipment (referred to as annular lower hem machine in the trade) among the prior art, the workman only need overlap the product of sewing on expansion mechanism, presses the start key and can sew according to the procedure of settlement, easy operation, easy to handle, when improving quality and the efficiency of product, greatly reduced the cost of mill. However, the automation equipment purchased in the factory purchases according to the self operating range, and when the fabric and the size of the sewn product are changed, the factory needs to be found for debugging again, so that the applicability is poor.

Disclosure of Invention

The utility model aims to provide a sewing fabric tension detection device, which solves the problem of poor applicability of automatic equipment.

In order to solve the problems, the utility model provides a sewing fabric tension detection device, which adopts the following technical scheme:

a sewing fabric tension detection device mounted on an annular skirt machine, comprising: the horizontal plate is arranged on the annular lower hem machine, and the bottom surface of the horizontal plate is used for propping the sewing fabric; a rotation shaft rotatably mounted on the horizontal plate; one end of the rotating component is connected with the rotating shaft, and the other end of the rotating component is used for propping against the sewing fabric; the inductor is positioned on one side of the rotating shaft and is electrically connected with the controller of the annular lower hem machine, wherein when the horizontal plate is completely attached to the sewing fabric, the rotating assembly drives the rotating shaft to rotate, the inductor converts the rotation of the rotating shaft into an electric signal, and the controller stops expanding the sewing fabric after receiving the signal sent by the inductor.

The sewing fabric tension detection device provided by the utility model can also have the following characteristics: the sensor is a proximity sensor, and a sensing piece matched with the proximity sensor is arranged on the rotating shaft.

The sewing fabric tension detection device provided by the utility model can also have the following characteristics: the rotating assembly comprises a mounting seat and a supporting rod; the mounting seat is arranged on the rotating shaft; the supporting rod is arranged on the mounting seat and is parallel to the horizontal plate.

The sewing fabric tension detection device provided by the utility model can also have the following characteristics: the supporting rod is provided with an adjusting groove for adjusting the rotating range of the supporting rod.

The sewing fabric tension detection device provided by the utility model can also have the characteristics that: and the limit bolt is arranged on the mounting seat and used for preventing the rotating assembly from rotating.

The sewing fabric tension detection device provided by the utility model can also have the following characteristics: wherein, the both ends of supporting the pole slope upward and set up.

The sewing fabric tension detection device provided by the utility model can also have the following characteristics: wherein, the outer end of horizontal plate upwards inclines to set up.

The tension detection device for the sewn fabric comprises: the horizontal plate is arranged on the sewing machine, and the bottom surface of the horizontal plate is used for propping against the sewing fabric; a rotation shaft rotatably mounted on the horizontal plate; one end of the rotating component is connected with the rotating shaft, and the other end of the rotating component is used for propping against the sewing fabric; the inductor is positioned at one side of the rotating shaft and is electrically connected with the controller of the annular lower pendulum machine.

When the sewing fabric is sleeved on the expansion mechanism of the annular lower hem machine, the upper edge of the sewing fabric is a tight edge, and the lower edge is a loose edge. When the expansion mechanism of the annular lower hem machine starts to work, the loose edge of the sewing fabric is slowly tightened and gradually approaches to and drives the rotating assembly to rotate, when the horizontal plate is completely attached to the lower edge of the sewing fabric, the sensor senses the change of the rotating shaft, the rotating angle signal of the rotating shaft is converted into an electric signal and is sent to the controller of the annular lower hem machine, the controller generates a control signal according to the signal, and the expansion mechanism executes the control signal to stop continuing expansion, so that the expansion action is completed. Therefore, sewing products with different fabrics and sizes can be sewn without debugging by a manufacturer.

Drawings

Those of ordinary skill in the art will appreciate that the figures are provided for a better understanding of the present utility model without limiting the scope of the present utility model in any way. Wherein:

FIG. 1 is a schematic perspective view of a tension detecting device for a sewing fabric according to an embodiment of the present utility model;

FIG. 2 is a side view of a tension detecting device for a sewing fabric according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a mounting base according to an embodiment of the present utility model;

FIG. 4 is a schematic view of an abutment lever according to an embodiment of the present utility model;

fig. 5 is a schematic working diagram of a tension detecting device for a sewing fabric according to an embodiment of the present utility model.

In the accompanying drawings:

1-a horizontal plate; 2-rotating shaft; 3-a rotating assembly; 31-a holding rod; 32-mounting seats; a 4-inductor; 5-sensing element.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the utility model more apparent. It should be noted that the drawings are in a very simplified form and are not drawn to scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model. Furthermore, the structures shown in the drawings are often part of actual structures. In particular, the drawings are shown with different emphasis instead being placed upon illustrating the various embodiments.

As used in this disclosure, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in its sense including "two or more", unless the content clearly dictates otherwise. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third" may include one or at least two such features, either explicitly or implicitly.

Referring to fig. 1 and 2, the embodiment provides a sewing fabric tension detecting device, which is installed on an annular skirt machine, and includes: the horizontal plate 1 is arranged on the annular lower hem machine, and the bottom surface of the horizontal plate 1 is used for abutting against the sewing fabric; a rotation shaft 2 rotatably mounted on the horizontal plate 1; one end of the rotating component 3 is connected with the rotating shaft 2, and the other end of the rotating component is used for abutting against the sewing fabric; the sensor 4 is positioned at one side of the rotating shaft 2 and is electrically connected with a controller of the annular lower hem machine, wherein the controller stops expanding the sewing fabric after receiving a signal sent by the sensor 4.

The annular lower hem machine comprises a sewing machine for expanding the sewing fabric, an expansion mechanism for expanding the sewing fabric and a controller for realizing automatic sewing.

When the sewing fabric is sleeved on the expansion mechanism of the annular lower hem machine, the upper edge of the sewing fabric is a tight edge, and the lower edge is a loose edge. When the expansion mechanism of the annular lower hem machine starts to work, the loose edge of the sewing fabric is slowly tightened and gradually approaches to and drives the rotating assembly 3 to rotate, when the horizontal plate 1 is completely attached to the lower edge of the sewing fabric, the sensor 4 senses the change of the rotating shaft 2, the rotating angle signal of the rotating shaft 2 is converted into an electric signal and is sent to the controller of the annular lower hem machine, the controller generates a control signal according to the signal, and the expansion mechanism executes the control signal to stop continuing expansion, so that the expansion action is completed. Therefore, sewing products with different fabrics and sizes can be sewn without debugging by a manufacturer.

The rotation unit 3 described above is rotated in a clockwise direction, and the description is made on the left side of the horizontal plate 1 to which the rotation unit 3 is attached, but not limited thereto.

In this embodiment, the top surface of the horizontal plate 1 is provided with a pair of oppositely disposed mounting bosses, which are disposed along the length direction of the horizontal plate 1. Each mounting boss is provided with a through mounting hole, and the axes of the mounting holes on a pair of mounting bosses coincide.

The two ends of the rotating shaft 2 are respectively connected with the mounting bosses, so that the rotating shaft 2 rotates along the Y axis. In this embodiment, the rotation shaft 2 is installed in a double-point supporting manner, so that the stability of the rotation shaft 2 is improved. In order to reduce wear of the rotating shaft 2 and the mounting boss, the rotating shaft 2 and the mounting boss are connected by a bearing.

In this embodiment, the sensor 4 is a proximity sensor, and the rotating shaft 2 is provided with a sensing member 5 adapted to the proximity sensor.

The sensor 4 is located at one side of the rotating shaft 2 and is close to the motion track of the sensing member 5. The inductor 4 is electrically connected with a controller of the annular lower pendulum machine. When the sensing piece 5 rotates to a preset sensing position, the sensor 4 is triggered, and at the moment, the sensor 4 generates a signal and sends the signal to the controller of the annular pendulum machine.

It should be noted that, the "preset sensing position" refers to that when the horizontal plate 1 is completely attached to the sewn fabric, the sewn fabric drives the rotating shaft 2 to rotate through the rotating assembly 3, and the sensing piece 5 rotates along with the rotating shaft 2.

In the above-mentioned scheme, the sensor is triggered through axis of rotation 2 drive sensing piece 5 and is judged horizontal plate 1 and sewing surface fabric and laminate completely, in other embodiments, also can install angle sensor on axis of rotation 2, detect the rotatory angle of axis of rotation 2 through angle sensor, and then detect horizontal plate 1 and sewing surface fabric and laminate completely.

Referring to fig. 1, 3 and 4, the rotating assembly 3 includes a mounting base 32 and a holding rod 31; the mounting seat 32 is arranged on the rotating shaft 2; the holding rod 31 is mounted on the mounting base 32 in parallel with the horizontal plate 1.

The mounting base 32 is formed into an L shape having a long side and a short side by bending a rectangular plate, two parallel mounting grooves are provided on the long side of the mounting base 32, and screws are screwed on the rotating shaft 2 through the mounting grooves. Two screw holes for mounting the holding rod 31 are provided on the short side of the mounting seat 32.

The holding rod 31 includes a sensing portion and a mounting portion, the sensing portion is a hollow thin rod, and both ends of the hollow thin rod are inclined upward. The installation department is installed in the intermediate position of induction part, is equipped with two and want the adjustment tank of adaptation with the screw hole on the mount pad 32 on the installation department, and the screw passes the adjustment tank and screw in screw hole, and then will support and hold pole 31 fixed mounting on the mount pad 32.

It should be noted that, after the screw is screwed, the supporting rod 31 and the mounting seat 32 can slide, so as to adjust the height of the supporting rod 31, and change the rotation range of the supporting rod 31 to adapt to different fabrics.

It should be noted that, in the initial state, the holding rod 31 is lower than the bottom surface of the horizontal plate 1, when the expansion mechanism of the annular lower hem machine expands the sewing fabric, the sewing fabric gradually approaches the rotating assembly 3 and drives the clockwise rotating assembly 3 to rotate, the rotating assembly 3 drives the rotating shaft 2 to rotate, and when the rotating shaft 2 rotates to the sensing position, after the signal sent by the sensor 4, the expansion of the sewing fabric is stopped.

In addition, be equipped with the spacing hole that runs through its long limit on mount pad 32, limit bolt passes through spacing hole and installs on mount pad 32, and limit bolt's bottom passes mount pad 32, and with the top surface separable contact of horizontal plate 1. That is, the rotating assembly 3 rotates counterclockwise about the rotating shaft 2 under the rotation of the gravity, and when the limit bolt abuts against the top surface of the horizontal plate 1, the rotating assembly 3 stops rotating.

It should be emphasized that the limit bolts are the lowest positions for limiting the rotation of the rotating assembly 3, but still ensure that the sensing portions on the holding rods 31 are lower than the bottom surface of the horizontal plate 1.

Preferably, the two ends of the supporting rod 31 are arranged obliquely upwards, so that an operator guides the sewing fabric when sleeving the sewing fabric, and the supporting rod 31 is prevented from being damaged by the operator.

Similarly, the outer end of the horizontal plate 1 is obliquely arranged upwards, so that the guiding function is achieved, and an operator can conveniently and rapidly sleeve the sewing fabric.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the utility model without departing from the scope of the technical solution of the utility model, and the technical solution of the utility model is not departing from the scope of the utility model.

Claims

1. The utility model provides a sewing surface fabric tension detection device installs on annular skirt machine, its characterized in that includes:

the horizontal plate is arranged on the annular lower hem machine, and the bottom surface of the horizontal plate is used for propping the sewing fabric;

a rotation shaft rotatably mounted on the horizontal plate;

one end of the rotating component is connected with the rotating shaft, and the other end of the rotating component is used for abutting against the sewing fabric;

the inductor is positioned at one side of the rotating shaft and is electrically connected with the controller of the annular lower pendulum machine,

when the horizontal plate is completely attached to the sewing fabric, the rotating assembly drives the rotating shaft to rotate, the inductor converts rotation of the rotating shaft into an electric signal, and the controller stops expanding the sewing fabric after receiving the electric signal sent by the inductor.

2. The sewn fabric tension detecting device according to claim 1, wherein:

the sensor is a proximity sensor, and a sensing piece matched with the proximity sensor is arranged on the rotating shaft.

3. The sewn fabric tension detecting device according to claim 1, wherein:

the rotating assembly comprises a mounting seat and a supporting rod;

the mounting seat is arranged on the rotating shaft;

the supporting rod is installed on the installation seat and is parallel to the horizontal plate.

4. A sewn fabric tension detecting device according to claim 3, wherein:

the supporting rod is provided with an adjusting groove for adjusting the rotating range of the supporting rod.

5. The sewn fabric tension detecting device of claim 3, further comprising:

and the limit bolt is arranged on the mounting seat and used for preventing the rotating assembly from rotating.

6. A sewn fabric tension detecting device according to claim 3, wherein:

wherein, the both ends of supporting the holding rod set up with an upward inclination.

7. The sewn fabric tension detecting device according to claim 1, wherein:

wherein the outer end of the horizontal plate is arranged in an upward inclined manner.