Cloth sewing device

Abstract

The invention discloses a cloth sewing device, which relates to the technical field of sewing machines and comprises a base, a sewing machine body and a two-way pump fixedly mounted at the top of the base. The L-shaped pipe is fixedly mounted at the top of the two-way pump; the collecting box is arranged on one side of the L-shaped pipe; the suction pipe is fixedly mounted at one end of the collection box, and one end of the suction pipe extends into the base; the servo motor is arranged above the base; when the device runs, the two-way pump is started to generate suction force, and impurities such as thread ends are sucked into the collecting box through the suction pipe. When one filter screen is blocked, the single-chip microcomputer controls the servo motor to drive the rotating disc to rotate, the clean filter screen is rotated to the position between the L-shaped pipe and the collecting box in combination with the first sensor, the filter screen does not need to be cleaned after shutdown, the sewing machine body can continuously work, compared with a traditional mode, the cleaning efficiency is high, cleaning time is shortened, and the device is suitable for places such as garment factories with tight production tasks. Stable operation of the sewing machine is guaranteed and yield loss is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of sewing machines, in particular to a cloth sewing device. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing materials are interwoven or sewn together. Sewing machines can sew fabrics such as cotton, linen, silk, wool, and artificial fibers, as well as products such as leather, plastic, and paper. The stitches are neat, beautiful, flat, and firm. The sewing speed is fast and the machine is easy to use, so it is widely used. During the sewing operation of a traditional fabric sewing machine, fabric scraps, thread hair and other dust are generated after the fabric and thread are cut. Most of this dust enters the sewing machine base below the needle plate through the needle hole and other channels on the needle plate, and gradually adheres to and accumulates on the feed dog drive mechanism, rotary shuttle and other movable parts and bearings and other fixed parts in the sewing machine base. If the sewing work continues for a long time, once the accumulation of dust exceeds a certain limit, the operation of parts such as the feed dog and rotary shuttle will be hindered, and their functions will also decline. At the same time, this dust may also contaminate the fabric being sewn, aggravate the wear of the machine, and increase the loss, so it must be cleaned regularly.

[0003] However, with regard to current related technical means, when cleaning the dust accumulated inside the sewing machine, the staff has to first disassemble the relevant parts inside the sewing machine, and then reinstall these parts after the cleaning work is completed. This series of operation processes is extremely complicated, which will inevitably delay the production process and have an adverse impact on production efficiency. Summary of the invention

[0004] The object of the present invention is to provide a cloth sewing device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides a cloth sewing device, including a base, a sewing machine body, a two-way pump fixedly installed on the top of the base; an L-shaped tube fixedly installed on the top of the two-way pump; a collecting box arranged on one side of the L-shaped tube; a suction tube fixedly installed at one end of the collecting box, one end of the suction tube extending to the inside of the base; a servo motor arranged above the base; a turntable fixedly installed on the driving end of the servo motor, the two sides of the turntable respectively abut against the L-shaped tube and the collecting box, and four circular filters are equidistantly arranged on the turntable.

[0006] Furthermore, a U-shaped tube is fixedly installed on the top of the L-shaped tube, a first solenoid valve is fixedly installed on the U-shaped tube, one end of the U-shaped tube away from the L-shaped tube is connected to a cylinder, and a connecting tube is provided on one side of the cylinder.

[0007] Furthermore, one side of the cylinder abuts against the turntable, and the other side of the turntable abuts against one end of the connecting pipe.

[0008] Furthermore, a plurality of first sensors are arranged on the rotating disk, and the first sensors are installed on one side of the filter.

[0009] Furthermore, a support frame is fixedly mounted on the top of the base, and one end of the turntable extending from a side away from the servo motor is rotatably disposed on the support frame.

[0010] Furthermore, the cylinder is fixedly mounted on the support frame, a material collecting tank is fixedly mounted on one end of the connecting pipe away from the turntable, and a sealing cover is threadedly connected to the bottom of the material collecting tank.

[0011] Furthermore, a hinge spring is installed at the bottom of the collection box, and the collection box is hinged with a sealing plate through the hinge spring.

[0012] Furthermore, a handle is fixedly mounted on the sealing plate, and a sponge cover is provided on the handle.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, when the device is running, the two-way pump starts to generate suction, and impurities such as thread ends are sucked into the collection box through the suction pipe. When a filter is blocked, the single-chip microcomputer controls the servo motor to drive the turntable to rotate, and the first sensor is combined to make the clean filter rotate between the L-shaped tube and the collection box. There is no need to stop the machine to clean the filter. The sewing machine body can work continuously. Compared with the traditional cleaning method, it has high cleaning efficiency and reduces cleaning time. It is suitable for places with tight production tasks such as garment factories, ensuring stable operation of the sewing machine and reducing production losses.

[0014] 2. In the present invention, the second solenoid valve of the L-shaped tube is closed, the first solenoid valve is opened, and the two-way pump generates a blowing force to enter the cylinder through the U-shaped tube, and blows the filter screen with the thread ends attached from the other side, so that the thread ends and impurities enter the collecting tank through the connecting pipe. Because the air holes of the connecting pipe are small, the impurities will not be blown out. Changing the direction of the air flow and using the blowing force to clean the filter screen is more effective than simple vacuuming, which can remove the firm thread ends, ensure the air permeability and filtering effect of the filter screen, and maintain efficient work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the connection structure between the collection box and the straw in the present invention; Figure 3 It is a schematic diagram of the connection structure between the U-shaped tube and the first solenoid valve in the present invention; Figure 4 It is a schematic diagram of the connection structure between the turntable and the sensor in the present invention; Figure 5It is a schematic diagram of the connection structure between the hinge spring and the sealing plate in the present invention.

[0016] In the figure: 1. base; 2. sewing machine body; 3. two-way pump; 4. L-shaped tube; 5. collecting box; 6. straw; 7. servo motor; 8. turntable; 9. U-shaped tube; 10. first solenoid valve; 11. cylinder; 12. connecting tube; 13. collecting tank; 14. hinge spring; 15. sealing plate; 16. support frame; 17. first sensor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 5 , the present invention provides a technical solution: See also Figure 1-Figure 5 As shown, a cloth sewing device includes a base 1, a sewing machine body 2, a two-way pump 3, which is fixedly mounted on the top of the base 1; an L-shaped tube 4, which is fixedly mounted on the top of the two-way pump 3; a collecting box 5, which is arranged on one side of the L-shaped tube 4; a suction tube 6, which is fixedly mounted on one end of the collecting box 5, and one end of the suction tube 6 extends to the inside of the base 1; a servo motor 7, which is arranged above the base 1; a turntable 8, which is fixedly mounted on the driving end of the servo motor 7, and the two sides of the turntable 8 are respectively against the L-shaped tube 4 and the collecting box 5, and four circular filters are annularly and equidistantly arranged on the turntable 8.

[0019] When the device starts to run, the two-way pump 3 starts and generates suction. Under the action of the suction, impurities such as thread ends are sucked into the collection box 5 from the suction tube 6. Once one of the filters is blocked, the servo motor 7 is controlled by the single-chip microcomputer to start running. The driving end of the servo motor 7 will drive the turntable 8 to start rotating, and in this process cooperate with the first sensor 17, thereby prompting another clean filter to be smoothly transferred to the corresponding position between the L-shaped tube 4 and the collection box 5. In this way, there is no need to stop the machine to clean the filter, which can ensure that the sewing machine body 2 can continue to work stably. Compared with the traditional method of disassembling parts for cleaning, the cleaning efficiency is greatly improved and the production time delayed by cleaning work is reduced. For example, in scenes such as garment factories where sewing machines are used in large quantities and production tasks are tight, this efficient cleaning method can ensure that the sewing machine can operate stably for a long time and reduce the production loss caused by stopping the machine to clean dust.

[0020] See also Figure 1-2A U-shaped tube 9 is fixedly installed on the top of the L-shaped tube 4, and a first solenoid valve 10 is fixedly installed on the U-shaped tube 9. One end of the U-shaped tube 9 away from the L-shaped tube 4 is connected to a cylinder 11, and a connecting tube 12 is arranged on one side of the cylinder 11. The L-shaped tube 4 is provided with a second solenoid valve.

[0021] The second solenoid valve on the L-shaped tube 4 is closed, the first solenoid valve 10 is opened, and the two-way pump 3 generates a blowing force, which enters the interior of the cylinder 11 through the U-shaped tube 9, and blows from the other side to the side of the filter screen with the thread ends attached, which can better blow the thread ends or other impurities on the filter screen to the connecting pipe 12 and collect them in the collecting tank 13. There are multiple air holes on the connecting pipe 12, but the diameter of the air holes is small, and the thread ends and other impurities cannot be blown out of the connecting pipe 12. By changing the direction of the air flow and using the blowing force generated by the two-way pump 3 to blow from one side of the filter screen, the thread ends and impurities attached to the filter screen can be effectively removed. This targeted cleaning method is more direct and effective than simple vacuuming, especially for those thread ends that are more firmly adsorbed, which can be blown off the surface of the filter screen, ensuring the air permeability and filtering effect of the filter screen, so that it can continue to work efficiently.

[0022] See also Figure 2 One side of the cylinder 11 abuts against the turntable 8 , and the other side of the turntable 8 abuts against one end of the connecting pipe 12 .

[0023] Rubber layers are provided on both sides of the turntable 8. Rubber layers are provided at the positions where the cylinder 11 abuts against the turntable 8 and the turntable 8 abuts against the connecting tube 12, which can effectively fill the tiny gaps in these contact positions. Because rubber has good elasticity and plasticity, it can fit the contact surface tightly when squeezed. During the operation of the device, especially when the two-way pump 3 works to generate negative pressure or air circulation, the rubber layer can prevent gas from leaking from these gaps. For example, during the dust collection process, if there is no rubber layer to seal, air may enter from the gaps between the cylinder 11, the turntable 8 and the connecting tube 12, reducing the dust collection effect. The presence of the rubber layer can ensure the stability of the negative pressure environment, so that dust collection and air circulation can be carried out efficiently.

[0024] See also Figure 4 A plurality of first sensors 17 are arranged on the turntable 8, and the first sensors 17 are installed on one side of the filter.

[0025] The first sensor 17 is installed on one side of the filter, and can monitor the position of the turntable 8 and the rotation state of the circular filter in real time. When the circular filter needs to be docked between the L-shaped tube 4 and the collection box 5, the first sensor 17 can accurately sense the relative position of the filter and the L-shaped tube 4 or the collection box 5. For example, by detecting the distance between the edge of the filter and the edge of the opening of the L-shaped tube 4, the position information is fed back to the control system of the device, so that the turntable 8 can accurately stop at the optimal docking position, ensuring that the circular filter is well docked with the L-shaped tube 4 or the collection box 5, and improving the accuracy of docking.

[0026] The first sensor 17 is a photoelectric sensor, which is controlled by converting the change of light intensity into the change of electrical signal. It is generally composed of three parts: a transmitter, a receiver and a detection circuit. In this cloth sewing device, the transmitter can emit a light beam. When the edge of the circular filter is close to the opening edge of the L-shaped tube 4, the light beam will be blocked or reflected, and the light signal received by the receiver will change. The detection circuit converts this change into an electrical signal, thereby determining the relative position of the filter and the L-shaped tube 4.

[0027] The photoelectric sensor has the characteristics of non-contact detection and will not cause mechanical interference to the rotation of the turntable 8 and the circular filter. Moreover, it has a fast response speed and can accurately sense position changes in a short time. In addition, the photoelectric sensor has high accuracy and can accurately detect the slight distance change between the edge of the filter and the opening edge of the L-shaped tube 4, which is suitable for scenes requiring high-precision docking.

[0028] See also Figure 1-3 A support frame 16 is fixedly installed on the top of the base 1 , and one end of the turntable 8 extending away from the side of the servo motor 7 is rotatably set on the support frame 16 .

[0029] The support frame 16 provides additional support for the turntable 8, which can effectively suppress the vibration and shaking of the turntable 8 during the rotation process. When the cloth sewing device is working, interference from the external environment such as vibration of the machine, movement of personnel, etc., or imbalance of internal components such as changes in weight distribution after the circular filter absorbs impurities may cause the turntable 8 to shake. The existence of the support frame 16 is like a stabilizer, which firmly fixes the turntable 8 within a certain rotation range, making the rotation of the turntable 8 more stable, reducing the noise caused by shaking, and also helping to improve the working accuracy of the device.

[0030] See also Figure 1 The cylinder 11 is fixedly mounted on the support frame 16, and a collecting tank 13 is fixedly mounted on one end of the connecting pipe 12 away from the turntable 8, and a sealing cover is threadedly connected to the bottom of the collecting tank 13.

[0031] The sealing cover design of the threaded connection at the bottom of the collection tank 13 facilitates the cleaning of impurities. When the impurities in the collection tank 13 accumulate to a certain extent, the operator can easily pour out the impurities by unscrewing the sealing cover. Compared with some fixed and non-detachable collection devices, this design is easier to maintain and clean, ensuring that the collection tank 13 can continuously and effectively collect impurities.

[0032] The cylinder 11 is fixed on the support frame 16, so that the cylinder 11 has a stable installation foundation during the operation of the device. When the airflow passes through the cylinder 11 and acts on the filter screen on the turntable 8, the cylinder 11 will not be displaced due to the reaction force of the airflow or other external interference, thereby ensuring the relative position between the cylinder 11 and the turntable 8 is stable, ensuring that the airflow can clean or otherwise operate the filter screen in a predetermined direction and manner, which is conducive to maintaining the normal operation of the entire device.

[0033] See also Figure 5 A hinge spring 14 is installed at the bottom of the collecting box 5, and a sealing plate 15 is hingedly connected to the collecting box 5 through the hinge spring 14.

[0034] A sealing layer is fixedly installed on the side wall of the sealing plate 15. During the vacuuming process, the sealing of the collection box 5 is crucial to maintaining the negative pressure environment of the entire vacuuming system. The sealing plate 15 is tightly closed by the hinge spring 14 to prevent air leakage into the collection box 5, ensuring that the airflow from the circular filter on the turntable 8 to the collection box 5 can flow in a stable negative pressure environment. In this way, the vacuuming system can more effectively suck the debris generated during the sewing process of the cloth into the collection box 5, improve the vacuuming efficiency, and thus ensure the cleanliness of the cloth sewing area.

[0035] The sealing plate 15 is hinged to the collection box 5 through the hinge spring 14, and during the cleaning process, the sealing plate 15 will not be completely separated from the collection box 5. Even if the collection box 5 is tilted to pour out the debris, the sealing plate 15 will remain connected to a certain extent under the action of the hinge spring 14, thereby preventing the debris from accidentally scattering, making the cleaning work more orderly, and reducing the secondary pollution to the surrounding environment after cleaning.

[0036] See also Figure 5 A handle is fixedly mounted on the sealing plate 15, and a sponge sleeve is arranged on the handle.

[0037] The handle fixedly mounted on the sealing plate 15 provides a convenient point of force for the operator. When the sealing plate 15 needs to be opened to clean the debris in the collection box 5, the operator can easily apply a pulling force by holding the handle to overcome the elastic force of the hinge spring 14 to open the sealing plate 15. The existence of the handle makes the opening action easier, especially for operators with less strength or when the collection box 5 needs to be cleaned frequently, which can improve work efficiency.

[0038] The sponge cover has a certain friction force, which can prevent the operator's hand from slipping when holding the handle. When the hands are sweaty or in a relatively humid working environment, the anti-slip property of the sponge cover can ensure that the operator can hold the handle stably and operate safely. For example, when cleaning the collection box 5, if the hand slips, the sealing plate 15 may be suddenly closed, and the anti-slip function of the sponge cover can avoid this situation, thereby improving the safety of the operation.

[0039] The hinge spring 14 has an automatic reset feature. After the collection box 5 is cleaned and put back in place, the sealing plate 15 will automatically close under the elastic force of the hinge spring 14. This automatic closing function allows the collection box 5 to quickly return to a normal working state without the need for additional manual closing operations, thereby ensuring that the collection box 5 can continue to collect debris in a continuous and efficient manner. For example, during frequent sewing work, the collection box 5 needs to continuously collect thread ends and dust. The automatic closing function can effectively avoid the problem of debris leakage caused by forgetting to close the collection box 5.

[0040] Working principle: When the device starts to run, the two-way pump 3 starts and generates suction. Under the action of the suction, impurities such as thread ends are adsorbed from the suction tube 6 into the collection box 5. Once one of the filters is blocked, the servo motor 7 is controlled by the single-chip microcomputer to start running. The driving end of the servo motor 7 will drive the turntable 8 to start rotating, and in this process cooperate with the first sensor 17, thereby prompting another clean filter to be smoothly transferred to the corresponding position between the L-shaped tube 4 and the collection box 5. In this way, there is no need to stop the machine to clean the filter, which can ensure that the sewing machine body 2 can continue to work stably. Compared with the traditional method of disassembling parts for cleaning, the cleaning efficiency is greatly improved and the production time delayed by cleaning work is reduced. For example, in scenes such as garment factories where sewing machines are used in large quantities and production tasks are tight, this efficient cleaning method can ensure that the sewing machine can operate stably for a long time and reduce the production loss caused by stopping the machine to clean dust.

[0041] The first sensor 17 is a photoelectric sensor, which realizes control by converting the change of light intensity into the change of electrical signal. The photoelectric sensor is generally composed of three parts: a transmitter, a receiver and a detection circuit.

[0042] The second solenoid valve on the L-shaped tube 4 is closed, the first solenoid valve 10 is opened, and the two-way pump 3 generates a blowing force. The blowing force will enter the interior of the cylinder 11 through the U-shaped tube 9, and the blowing force will blow from the other side to the side of the filter screen with the lint attached, so that the lint or other impurities on the filter screen can be better blown to the connecting pipe 12 and collected in the collecting tank 13. There are multiple air holes on the connecting pipe 12, but the diameter of the air holes is small, and the lint and other impurities cannot be blown out from the connecting pipe 12. By changing the direction of the airflow and using the blowing force generated by the two-way pump 3 to blow from one side of the filter screen, the lint and impurities attached to the filter screen can be effectively removed. This targeted cleaning method is more direct and effective than simple vacuuming, especially for those lints that are more firmly adsorbed, which can be blown off the surface of the filter screen to ensure the air permeability and filtering effect of the filter screen, so that it can continue to work efficiently.

Claims

1. A cloth sewing device, comprising a base (1) and a sewing machine body (2), characterized in that: A bidirectional pump (3) is fixedly mounted on the top of the base (1); An L-shaped pipe (4) fixedly mounted on the top of the bidirectional pump (3); A collecting box (5) is arranged on one side of the L-shaped tube (4); A straw (6) is fixedly mounted on one end of the collection box (5), and one end of the straw (6) extends into the interior of the base (1); A servo motor (7) is arranged above the base (1); The turntable (8) is fixedly mounted on the driving end of the servo motor (7), and the two sides of the turntable (8) are respectively connected to the L-shaped tube (4) and the collection box (5), and four circular filter screens are equidistantly arranged in an annular shape on the turntable (8).

2. A cloth sewing device as claimed in claim 1, characterized in that: A U-shaped tube (9) is fixedly mounted on the top of the L-shaped tube (4), a first solenoid valve (10) is fixedly mounted on the U-shaped tube (9), one end of the U-shaped tube (9) away from the L-shaped tube (4) is connected to a cylinder (11), a connecting tube (12) is provided on one side of the cylinder (11), and a second solenoid valve is fixedly mounted on the L-shaped tube (4).

3. A cloth sewing device as claimed in claim 2, characterized in that: One side of the cylinder (11) abuts against the rotating disk (8), and the other side of the rotating disk (8) abuts against one end of the connecting pipe (12).

4. A cloth sewing device as claimed in claim 3, characterized in that: A plurality of first sensors (17) are arranged on the rotating disk (8), and the first sensors (17) are installed on one side of the filter screen.

5. A cloth sewing device as claimed in claim 4, characterized in that: A support frame (16) is fixedly mounted on the top of the base (1), and an end of the turntable (8) extending away from a side of the servo motor (7) is rotatably mounted on the support frame (16).

6. A cloth sewing device as claimed in claim 5, characterized in that: The cylinder (11) is fixedly mounted on a support frame (16); a material collecting tank (13) is fixedly mounted on one end of the connecting pipe (12) away from the rotating disk (8); and a sealing cover is threadedly connected to the bottom of the material collecting tank (13).

7. A cloth sewing device as claimed in claim 1, characterized in that: A hinge spring (14) is installed at the bottom of the collection box (5), and the collection box (5) is hingedly connected to a sealing plate (15) via the hinge spring (14).

8. A cloth sewing device as claimed in claim 7, characterized in that: A handle is fixedly mounted on the sealing plate (15), and a sponge cover is provided on the handle.

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