TW201710578A - An improvement of remnant collecting system of sewing machine - Google Patents

Abstract

An improvement of remnant collecting system of sewing machine is disclosed. The sewing machine comprises a detecting unit, a controlling unit, a thread-cutting unit, an air pumping unit and an air sucking unit. The controlling unit is electrically connected to the detecting unit and the air pumping unit. The air sucking unit comprises an air sucking body, an air pipe and a remnant collecting bag. One end of the air sucking body is an air sucking hole disposed corresponding to the thread-cutting unit disposed at the back of the sewing machine, another end is, through the air pipe, connected to the remnant collecting bag for collecting the remnant. A cutting signal is transmitted to the controlling unit when the detecting unit is detecting the thread-cutting unit is cutting, and the controlling unit waits for a certain period of time to transmit a sucking signal to the air pumping unit, the air pumping unit generates sucking air and is connected to the air sucking unit through a pipe. The sucking air sucks air through the air sucking hole of the air sucking body of the air sucking unit to suck away the remnant created by the thread-cutting unit, and the remnant is collected in the remnant-collecting bag, so the sewing machine keeps clean.

Description

Sewing machine dust collection system improvement

The present invention relates to an improvement of a dust collecting system for a sewing machine for faster cleaning of waste materials remaining on a machine table of a sewing machine, so that the sewing machine is clean and clean.

The sewing machine is the indispensable main equipment in the garment industry. Traditional sewing machines must maintain the normal operation of the machine by manual treading. However, with the advancement of the times, small sewing machines for industrial or domestic use have adopted motors. Driven, the user is more convenient in operation, and the machine travels more stable and smooth, which greatly improves the quality of the sewing.

In order to meet the needs of various sewing machines, the traditional sewing machine has been derived from the original simple structure design to produce a variety of different accessories. For example, the sewing machine cleaning suction device is designed to provide a suction at the back end of the tool. The air pipe is disposed on the sewing machine table, and an air suction pipe is also disposed in the bottom of the sewing machine machine to suck the waste material after the tangential line is completed.

Check, the first picture of the patent number of the Republic of China Patent No. M427911 "Sewing Machine Cleaning and Suction Device". This case is to provide an air suction pipe at the place where the sewing machine produces waste material, and the suction pipe is connected to the suction device. The air pipe is connected to the air pressure control device, the outer end of the first air suction pipe is connected to the machine set in the sewing machine, and the outer end of the second air suction pipe is connected to the cutter suction pipe disposed at the rear end of the sewing machine cutter, and is turned on. In the machine collecting pipe, the top of the collecting pipe of the machine is provided with a chip collecting port below the machine table of the sewing machine, and a chip discharging pipe is connected to the exhaust end of the common pipe, and the outer end of the chip discharging pipe is connected. The connection is provided with a venting bag and is placed under the machine to draw the waste material from under the machine.

In addition, the Patent No. I432623 of the Republic of China Patent No. I432623 "Automatic Sewing Machine Automatic Trimming Device" patent case is provided with a base on the side of the sewing machine sewing platform, and the base is provided with a trimming unit and a positioning seat. The positioning base has a guiding channel, and the guiding channel is connected to a suction unit through the joint, and the first detecting unit is disposed on two sides of the guiding channel, and then corresponds to the sewing machine body. a second detecting unit is arranged at the sewing platform, and a blowing unit is arranged at the guiding channel of the sewing machine body; accordingly, the position of the cloth piece is detected by the second detecting component, and the blowing unit and the shearing device are driven in time. The wire unit and the air suction unit are configured to blow the sewing head on the cloth sheet into the guiding channel, cut and suck to the air suction unit, and use the first detecting unit to detect whether the sewing person pulls the sewing thread to the guiding end The channel is used to drive the trimming unit and the suction unit to cut the suture and suck the suture tail to the suction unit to achieve the efficiency of the automation operation. And it is better to clean the sewing machine table.

Re-examine the patent case of the Republic of China Patent No. M434076 "Composite Cloth Guide Tube", which is to place the cloth waste into a pipe fitting to collect the cloth dust and keep the sewing machine machine clean. .

The present inventors have no function of automatically detecting and sucking air in view of the design of the above-mentioned sewing machine cleaning and suction device. When the sewing machine is opened, whether or not the waste material is generated, the suction is not stopped, and a lot of energy is consumed, or it is detected. The suture tail is always sucked until the end of the suture is cut and sucked, so the inventors have intentionally improved the sewing machine dust collecting system, which has the function of automatically detecting the suture tail and the sucking suture tail. The waste material remaining on the sewing machine table can be cleaned more quickly in an energy-saving manner.

SUMMARY OF THE INVENTION One object of the present invention is to provide an improved dust collecting system for a sewing machine for cleaning a sewing machine with a quick and energy-saving manner by sucking away the waste material generated by the suction device after the tangential cutter unit is tangential.

The invention is an improvement of a sewing machine dust collecting system, and the sewing machine machine comprises a detecting unit, a control unit, a pneumatic unit and a suction device. The detecting unit is configured to detect the feeding and sending position of the fabric of the sewing machine platform, and output a detected feeding signal; the control unit is connected with the detecting unit by telecommunication to receive the feeding signal of the detecting unit, and A control signal is generated; and the pneumatic unit is connected to the control unit by a telecommunication connection for receiving a control signal from the control unit to generate a suction. The suction device is connected to the pneumatic unit by a pipe, and the suction is generated by the pneumatic unit to perform the suction operation. . And the suction device is disposed near the cutter of the cutter unit and at the bottom of the sewing machine platform to clean the sewing machine table surface by sucking the air on the sewing machine where the waste material is often left.

When using the sewing machine, the user first inputs the number to the control parameter module to set the frequency of the suction device and the length of the suction time via the control parameter module. The control parameter module can even be properly activated when the user sets the normal state. The number of frequencies and the length of the suction time. In use, when the detecting unit detects the feeding and sending position of the sewing machine platform, the detecting unit outputs a feeding signal to the control unit, and the control unit receives the feeding signal of the detecting unit and generates a control signal to the pneumatic unit. In order to generate suction, the pneumatic unit is connected to the suction device by a pipe, and the suction device is driven by the suction generated by the pneumatic unit.

Please refer to FIG. 1 first, which is a system diagram of the improved dust collecting system of the sewing machine of the present invention. As shown in FIG. 1, the present invention is an improvement of a sewing machine dust collecting system, which is used in a sewing machine machine 1, which comprises a detecting unit 10, a control unit 20, a suction device 30 and a pneumatic unit 40. The detecting unit 10 is configured to detect the feeding and sending position of the fabric of the sewing machine platform, and output a detected feeding signal. The control unit 20 is in a telecommunication connection with the detecting unit 10 for receiving the feeding signal of the detecting unit 10 and generating a control signal. The control unit 20 further includes an air suction control interface 21 and a control parameter module 22, and a suction control interface. The 21 series is a solenoid valve type control interface for receiving the feed signal of the detecting unit 10, and generating a control signal for controlling the pneumatic unit 40. The control parameter module 22 is configured to control the suction operation by inputting the suction operation parameter. The pneumatic unit 40 is electrically connected to the control unit 20 and connected to the suction device 30 by a duct 41 for receiving the control signal from the control unit 20, generating suction to control the suction device 30 to perform the suction operation, and performing suction. operation. The suction device 30 is disposed near the cutter of the tangential cutter unit 50 and at the bottom of the sewing machine platform to clean the sewing machine table surface by sucking the air on the sewing machine where the waste material is often left.

The suction device 30 includes a suction body 31, one end of which is an air suction port, and corresponds to the tangential cutter unit 50 at the rear end of the sewing machine table 1, and the other end is connected to a dust bag 33 by a duct 32. When the detecting unit 10 detects the feeding signal, a control signal is generated to the control unit 20. Next, the control unit 20 transmits a control signal to the pneumatic unit 40 to generate suction to control the suction device 30 to operate and perform the suction operation. When the air is sucked, the air suction device 30 performs the air suction operation, and the waste material is sucked by the air suction port located near the cutter of the tangential cutter unit 50, and is sent through the air duct 32 to the dust collecting bag 33 to store the waste material.

Please refer to FIG. 2 again. FIG. 2 is a diagram showing an improved component arrangement of the sewing machine dust collecting system of the present invention. The numbers of the components in Fig. 2 are the same as those in Fig. 1. As shown in FIG. 2, during assembly, the detecting unit 10 can be locked to the sewing machine table 1, and the telecommunication plug of the detecting unit 10 is inserted into a jack (not shown) of the sewing machine table 1, and is connected to the control unit. 20 do telecommunications connection. The suction device 30 is disposed at the head of the sewing machine 1 and is located at the rear end of the tangential cutter unit 50. The tangential cutter unit 50 is screwed to the sewing machine table 1 with its fixing bracket. After the power of the sewing machine table 1 is turned on, the user can set the number to the control parameter module 22 to set the frequency of the suction device activation and the length of the suction time, and the parameter module 22 can be controlled to provide a normal state. The starting frequency and the length of the suction time are set by the user. For example, after feeding to the sewing machine platform, the control unit 20 can wait for 0-3 seconds before outputting the control signal to the suction device 30, so that the suction device 30 can suck the waste material on the platform, and the suction device 30 can It is intermittently started every 10 minutes to suck up waste materials and the like.

As shown in FIG. 1 and FIG. 2, the detecting unit 10 detects the tangent of the tangential cutter unit 50, transmits a detection signal to the control unit 20, and the control unit 20 waits for a specific time to transmit a control signal to the pneumatic unit 40 to generate a suction. The pneumatic unit 40 connects the suction device 30 with a pipe 41 to suck the waste material after the tangential cutter unit 50 is tangential. The air suction port of the air suction device 30 sucks the waste material and sucks the waste material to the dust bag 33 to receive the waste material.

Please refer to FIG. 3 again. FIG. 3 is a system diagram of another embodiment of the sewing machine dust collecting system of the present invention. In this embodiment, a starting unit 311 can be added. As shown in FIG. 3, the improvement of the sewing machine dust collecting system of the present invention is used in a sewing machine table 3, which comprises a starting unit 311, a detecting unit 312, a control unit 313, a suction device 314 and a pneumatic unit 315. The activation unit 311 is electrically connected to the control unit 313, and the user can activate the operation of the control unit 313 through the activation unit 311. The detecting unit 312 is configured to detect the cloth feeding and sending position of the sewing machine platform, and output a detected feeding signal. The control unit 313 is in a telecommunication connection with the detecting unit 312 for receiving the feeding signal of the detecting unit 312 and generating a control signal. The control unit 313 further includes an air suction control interface 3131 and a control parameter module 3132, and an air suction control interface. The 3131 is a solenoid valve type control interface for receiving the feed signal of the detecting unit 312, and generating a control signal for controlling the pneumatic unit 315. The control parameter module 3132 is configured to provide an input of the suction operation parameter to control the suction operation. The pneumatic unit 315 is in telecommunication connection with the control unit 313 and is connected to the suction device 314 by a pipe 3151 for receiving a control signal from the control unit 313 to generate suction to control the operation of the suction device 314 for suction operation. The suction device 314 is disposed near the cutter of the tangential cutter unit 316 and at the bottom of the sewing machine platform to perform a suction operation on the waste material left on the sewing machine table to clean the sewing machine table.

The suction device 314 includes a suction body 3141, one end of which is an air suction port, and corresponds to the tangential cutter unit 316 at the rear end of the sewing machine table 3, and the other end is connected to a dust collecting bag 3143 by a duct 3142. When the detecting unit 312 detects the feed signal, a control signal is generated to the control unit 313. Next, the control unit 313 transmits a control signal to the pneumatic unit 315 to generate suction to control the suction device 314 to perform the suction operation. When the air is sucked, the air suction device 314 performs the air suction operation, and the waste material is sucked by the air suction port located near the cutter of the tangential cutter unit 316, and is transported to the dust collecting bag 3143 through the air duct 3142 to receive the waste material.

Fig. 4 is a view showing the arrangement of components of another embodiment of the sewing machine dust collecting system of the present invention. The components of FIG. 4 are the same as those in FIG. 3, and as shown in FIG. 4, when assembled, the activation unit 311 is telecommunicationally connected to the control unit 313, and the user can activate the control unit 313 through the activation unit 311 to detect The measuring unit 312 is locked to the sewing machine table 3, and the telecommunication plug of the detecting unit 312 is inserted into a jack (not shown) of the sewing machine table 3, and is electrically connected with the control unit 313. The suction device 314 is disposed at the head of the sewing machine 3 and is located at the rear end of the tangential cutter unit 316, and the tangential cutter unit 316 is screwed to the sewing machine table 3 by a fixing bracket. After the power of the sewing machine 3 is turned on, the user can set the number to the control parameter module 3132 to set the frequency of the suction device and the length of the suction time, and control the parameter module 3132 and provide the normal state. The starting frequency and the length of the suction time are set by the user. For example, after feeding to the sewing machine platform, the control unit 313 can wait for 0-3 seconds before outputting the control signal to the pneumatic unit 315 to generate suction and transmit to the suction device 314, so that the suction device 314 can waste the waste material on the platform. The suction is taken up, and the suction device 314 can be intermittently activated every 10 minutes to suck away waste materials and the like.

As shown in FIG. 3 and FIG. 4, the detecting unit 312 detects a tangent to the tangential cutter unit 316 and transmits a detection signal to the control unit 313. The control unit 313 waits for a specific time to transmit a control signal to the pneumatic unit 315 to generate a suction. The wind, pneumatic unit 315 is connected to the suction device 314 by a pipe to suck the waste material after the tangential cutter unit 316 is tangential. The suction port of the suction device 314 sucks away the waste material, and sucks the waste material to the dust bag 3143 to receive the waste material.

In summary, in the prior art, when the sewing machine dust collecting system is opened, whether or not the waste material is generated, the suction operation is not stopped, a lot of energy is consumed, and the waste material at the end of the sewing thread is always detected. The ground is sucked until the end of the suture waste material is cut off and sucked away. Compared with the prior art, the invention has the functions of automatically detecting the suture tail waste material and sucking the suture tail waste material, and more quickly cleaning the waste material remaining on the sewing machine machine in an energy-saving manner, sucking seam The function of the tail end will start after the sewing machine machine does produce waste materials. It will automatically stop when there is no waste material, which can save energy and quickly clean the waste material on the sewing machine machine.

The specific embodiments described above are intended to describe the objects, features and advantages of the present invention. For those skilled in the art, it is possible to make some changes and modifications to the specific embodiments according to the above description. Those who do not depart from the spirit of the invention should be included in the scope of the patent application in this case, and it should be clarified first.

1‧‧‧Sewing machine table
10‧‧‧Detection unit
20‧‧‧Control unit
21‧‧‧Sucking control interface
22‧‧‧Control parameter module
3‧‧‧Sewing machine table
30‧‧‧ suction device
31‧‧‧ suction body
311‧‧‧Starting unit
312‧‧‧Detection unit
313‧‧‧Control unit
3131‧‧‧ suction control interface
3132‧‧‧Control parameter module
314‧‧‧ suction device
3141‧‧‧ suction body
3142‧‧‧ duct
3143‧‧‧ dust bag
315‧‧‧Pneumatic unit
3151‧‧‧ Pipes
316‧‧‧Thread cutter unit
32‧‧‧ duct
33‧‧‧ dust bag
40‧‧‧Pneumatic unit
41‧‧‧ Pipes
50‧‧‧Thread cutter unit

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a system diagram showing an improvement of a dust collecting system for a sewing machine of the present invention. Fig. 2 is a view showing an improved component arrangement of the sewing machine dust collecting system of the present invention. Figure 3 is a system diagram showing another embodiment of the improvement of the sewing machine dust collecting system of the present invention. Fig. 4 is a view showing the arrangement of components of another embodiment of the sewing machine dust collecting system of the present invention.

10‧‧‧Detection unit

20‧‧‧Control unit

21‧‧‧Sucking control interface

22‧‧‧Control parameter module

30‧‧‧ suction device

31‧‧‧ suction body

32‧‧‧ duct

33‧‧‧ dust bag

40‧‧‧Pneumatic unit

41‧‧‧ Pipes

50‧‧‧Thread cutter unit

Claims (7)

An improvement of a dust collecting system for a sewing machine, comprising: a detecting unit for detecting the feeding and sending position of the cloth of the sewing machine platform, and outputting a detected feeding signal; a control unit and the detecting a unit telecommunications connection for receiving a feed signal of the detecting unit and generating a control signal; a pneumatic unit electrically connected to the control unit for receiving a control signal from the control unit to generate a suction; And a suction device connected to the pneumatic unit by a pipe for actuating the suction air generated by the pneumatic unit through the pipe to perform an air suction operation. The improvement of the sewing machine dust collection system according to claim 1, wherein the control unit further comprises an air suction control interface for receiving the control signal and for controlling the pneumatic unit. The improvement of the sewing machine dust collecting system according to the second aspect of the patent application, wherein the suction control interface is a solenoid valve type control interface. The improvement of the dust collecting system of the sewing machine according to claim 3, wherein the control unit further comprises a control parameter module for inputting the suction operation parameter to control the suction operation. The improvement of the sewing machine dust collecting system according to the fourth aspect of the invention, wherein the suction operation parameter comprises a frequency of starting the suction device and a length of the suction time. The improvement of the dust collecting system of the sewing machine according to the first aspect of the invention, wherein the suction device further comprises a suction body, a duct and a dust collecting bag, wherein the suction body has an air suction port at one end thereof Corresponding to all the wire cutter units of the sewing machine table, the other end is connected to the dust bag by the air duct. The improvement of the sewing machine dust collecting system according to the first aspect of the invention, further comprising a starting unit, wherein the starting unit is in telecommunication connection with the control unit, and the user can control the starting and closing of the control unit through the starting unit.