Sewing machine running-in cleaning method and system

Abstract

The invention relates to the field of sewing machines, in particular to a sewing machine running-in cleaning method and system.The method comprises the steps that cleaning is carried out at the set speed Vn for the Nth set time, after the Nth set time, N = N + 1, n = N, Vn = Vn + vm and m = m + 1 are assigned, and the steps are repeated; wherein vm is greater than 0. The system comprises a storage module, a control module and a cleaning liquid circulating device, computer programs / instructions are stored in the storage module, the control module executes the computer programs / instructions to achieve the steps of the method, and the control module is connected to the cleaning liquid circulating device; in the cleaning mode, the control module controls the cleaning liquid circulating device to work. And through multi-section cleaning, impurities such as abrasives and scrap iron can be thoroughly cleaned.

Description

Technical Field

[0001] The present application relates to the field of sewing machines, and in particular to a running-in and cleaning method and system for sewing machines. Background Art

[0002] Component running-in refers to the process of adjusting the contact surfaces of mechanical equipment during assembly to improve contact quality and performance. This process can remove minor surface irregularities, reduce surface roughness, and improve the load-bearing capacity and efficiency of components.

[0003] After passing the running-in, the equipment should be thoroughly cleaned to prevent impurities such as abrasives and iron filings from remaining in the bearings and affecting the normal operation of the components. Summary of the Invention

[0004] In order to clean impurities such as abrasives and iron filings, the present application provides a sewing machine run-in cleaning method and system.

[0005] In a first aspect, the present application provides a sewing machine running-in cleaning method, which adopts the following technical solution: A sewing machine running-in cleaning method, comprising: Run at set speed Vn for N set time to clean, After the Nth set time, assign N=N+1, n=N, Vn=Vn+vm, m=m+1, and repeat the above steps; Among them, vm>0.

[0006] By adopting the above technical solution, abrasives, iron filings and other impurities can be thoroughly cleaned through multi-stage cleaning.

[0007] Preferably, it also includes: After the Nth set time, when N=Nmax, the cleaning is finished.

[0008] By adopting the above technical solution, cleaning can be automatically terminated.

[0009] Preferably, it also includes: After the Nth set time, the value Vn=Vn+vm is assigned. When Vn>Vmax, the cleaning is ended.

[0010] By adopting the above technical solution, cleaning can be automatically terminated.

[0011] Preferably, it also includes: During the Nth set time, the cleaning is stopped in response to the stop signal.

[0012] By adopting the above technical solution, manual stopping of cleaning is achieved.

[0013] Preferably, before running at the set speed Vn for the Nth set time for cleaning, the method further comprises: After receiving the cleaning signal, it enters the cleaning mode after powering on again.

[0014] Preferably, before running at the set speed Vn for the Nth set time for cleaning, the method further comprises: Get the motor encoder angle, After the preset time, the motor starts running.

[0015] By adopting the above technical solution, motors equipped with encoders can be directly purchased for easy assembly; at the same time, the motor angle can be precisely controlled.

[0016] Preferably, it also includes: Run the grinding time at the grinding speed for grinding, After the grinding time, the grinding is finished.

[0017] By adopting the above technical solution, the running-in can be automatically terminated.

[0018] Preferably, it also includes: During the grinding time, respond to the stop signal to stop grinding.

[0019] By adopting the above technical solution, manual stopping of running-in is achieved.

[0020] In a second aspect, the present application provides a sewing machine running-in and cleaning system, which adopts the following technical solution: A sewing machine running-in and cleaning system includes a storage module and a control module. The storage module stores computer programs / instructions, The control module executes the computer program / instructions to implement the steps of the above method.

[0021] By adopting the above technical solution, abrasives, iron filings and other impurities can be thoroughly cleaned through multi-stage cleaning.

[0022] Preferably, it also includes a cleaning liquid circulation device, The control module is connected to the cleaning fluid circulation device, In the cleaning mode, the control module controls the cleaning liquid circulation device to operate.

[0023] By adopting the above technical solution, the cleaning fluid is used to carry impurities such as abrasives and iron filings away from the parts.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. Multi-stage grinding to simulate various working conditions and achieve full running-in; 2. Multi-stage cleaning is conducive to thoroughly cleaning abrasives, iron filings and other impurities generated during the grinding process; 3. You can directly purchase motors equipped with encoders for easy assembly; at the same time, you can precisely control the motor angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is the structural block diagram of the sewing machine running-in and cleaning system.

[0026] Figure 2 Schematic diagram of the cleaning liquid circulation device in Example 1.

[0027] Figure 3 This is a schematic diagram of the positioning component and the driving component in Example 1.

[0028] Figure 4 It is a structural schematic diagram of the cleaning liquid circulation device in Example 2.

[0029] Figure 5 yes Figure 3 Enlarged view of point A in the middle.

[0030] Figure 6 This is a circuit diagram of the cleaning liquid circulation device in Example 2.

[0031] Explanation of the accompanying drawings: 1. Storage module; 2. Control module; 3. Cleaning liquid circulation device; 31. Workbench; 32. Fixed box; 321. Back plate; 322. Top plate; 323. Side plate; 33. Guard plate; 331. Slide groove; 34. Positioning assembly; 341. Pressure rod; 342. Positioning cylinder; 35. Drive assembly; 351. Drive cylinder; 352. Connector; 3521. Connecting part; 3522. Insert; 3523. Pressure block; 353. Pressure sensor; 354. Conductive sheet; 355. Spring. DETAILED DESCRIPTION

[0032] The present application is further described in detail below with reference to the accompanying drawings.

[0033] The present application discloses a method for cleaning a sewing machine after it is run-in, comprising: S10, receiving a grinding signal and entering a grinding mode; S11, obtain the motor encoder angle, and after the preset time, the motor starts running; S12, running the grinding process at a grinding speed Vk for a Kth grinding time; S13, Kth grinding time: When the switching signal is received for the first time, it runs at the preset speed; When the switching signal is received for the second time, step S12 is executed; When a stop signal is received, responding to the stop signal to stop the running-in; When the running-in is stopped, the switching signal is not responded to, and the starting signal is responded to to execute step S12; S14, after the Kth grinding time: When K<Kmax, assign K=K+1, k=K, and execute step S11; When K=Kmax, the running-in is completed.

[0034] In this embodiment: the preset time defaults to 5s; Vk is 100-5000 rpm, the Kth grinding time is 0-40 minutes, Kmax=6; the preset speed defaults to 2800 rpm; V1-V6, 1st grinding time - 6th grinding time can be set by the user.

[0035] Sewing machine running-in cleaning method also includes S20, receiving a cleaning signal and entering the cleaning mode after powering on again; S21, obtain the motor encoder angle, and after the preset time, the motor starts running; S22, running at a set speed Vn for an Nth set time to perform cleaning; S23, within the Nth set time: responding to a stop signal to stop cleaning; When the cleaning is stopped, S22 is executed in response to the start signal; S24, after the Nth set time: When N is less than Nmax, assign N=N+1, n=N, Vn=Vn+vm, m=m+1, where vm>0; If Vn≤Vmax, execute step S21; When Vn>Vmax, the cleaning is terminated; When N=Nmax, the cleaning is finished.

[0036] In this embodiment: Vn is 200-5000 rpm, Vmax=5000 rpm, Nmax=3, and the Nth setting time is 10-1000 s.

[0037] example Stage 1: 3000 rpm for 5 minutes (V1=3000 rpm, first set time is 300 s); Stage 2: 3500 rpm for 15 minutes (V2 = 3500 rpm, second set time is 900 s); Section 3: 4000 rpm for 5 minutes (V3 = 4000 rpm, the third setting time is 300 s); show: Clean the first section, display 1-05, one minute later display 1-04, two minutes later display 1-03, until 1-00 jumps to the second section: Clean the second segment, display 2-15, one minute later display 2-14, two minutes later display 2-13, until 2-00 jumps to the third segment: When cleaning the third section, it displays 3-05, then displays 3-04 after one minute, and then displays 3-03 after two minutes, and stops after 3-00.

[0038] The implementation principle of a sewing machine running-in and cleaning method in the embodiment of the present application is as follows: multi-stage grinding to simulate various working conditions to achieve full running-in; Multi-stage cleaning is beneficial for thoroughly cleaning abrasives, iron filings and other impurities generated during the grinding process.

[0039] The embodiment of the present application also discloses a sewing machine running-in and cleaning system.

[0040] Example 1 Reference Figure 1 The sewing machine running-in and cleaning system includes a storage module 1, a control module 2 and a cleaning liquid circulation device 3.

[0041] The storage module 1 stores computer programs / instructions.

[0042] The control module 2 is connected to the storage module 1 and the head of the sewing machine, and the control module 2 executes computer programs / instructions to implement the steps of the sewing machine running-in and cleaning method.

[0043] The cleaning liquid circulation device 3 is used to clean the machine head. The control module 2 is connected to the cleaning liquid circulation device 3. In the cleaning mode, the control module 2 controls the cleaning liquid circulation device 3 to work.

[0044] Reference Figure 2 The cleaning liquid circulation device 3 includes a workbench 31, a fixed box 32, a guard plate 33 and a circulation component.

[0045] The upper surface of the workbench 31 is used for placing the machine head.

[0046] The fixed box 32 is fixedly connected to the workbench 31. The fixed box 32 includes a back panel 321, a top panel 322, and two side panels 323. The back panel 321 is vertical, with its lower end fixedly connected to the workbench 31. The side panels 323 are vertical and perpendicular to the back panel 321. The two side panels 323 are respectively connected to the ends of the back panel 321, and their lower ends are fixedly connected to the workbench 31. The top panel 322 is horizontal and connected to the upper ends of the back panel 321 and the side panels 323, so that the fixed box 32 has a horizontal opening. The machine head is placed in the fixed box 32 through the opening.

[0047] The guard plate 33 is vertical and is used to cover the opening. Preferably, the guard plate 33 is transparent.

[0048] The circulation component is used to deliver cleaning liquid to the machine head in the fixed box 32. The circulation component includes a water tank, a water pump and a water pipe.

[0049] The water inlet of the water pump is communicated with the water tank, and the water outlet of the water pump is communicated with a water pipe, the other end of which extends into the fixed box 32. The workbench 31 can be provided with a water leak, which can be communicated to the water tank through another water pipe.

[0050] Preferably, a filter is connected in series between the other water pipe and the water tank to filter out impurities such as abrasives and iron filings.

[0051] Reference Figure 2 and Figure 3 The cleaning liquid circulation device 3 also includes a positioning component 34 and a driving component 35.

[0052] Positioning assembly 34 includes a pressure rod 341 and a positioning cylinder 342. Pressure rod 341 is vertical and extends through top plate 322. The cylinder body of positioning cylinder 342 is fixedly connected to top plate 322, and the piston rod of positioning cylinder 342 is connected to pressure rod 341. The lower end of pressure rod 341 is used to press against the machine head. Preferably, an elastic block, such as a rubber block, is connected to the lower end of pressure rod 341.

[0053] The guard plate 33 is connected to the fixed box 32 along the vertical sliding direction. At the same time, the lower end of the guard plate 33 can be connected to a sealing strip, such as a rubber strip; The sealing strip is used to press against the upper surface of the workbench 31 to prevent the cleaning fluid from leaking.

[0054] The driving assembly 35 is used to drive the guard plate 33 to slide. The driving assembly 35 includes a driving cylinder 351 , a cylinder body of the driving cylinder 351 is fixedly connected to the top plate 322 , and a piston rod of the positioning cylinder 342 is connected to the guard plate 33 .

[0055] The implementation principle of Example 1 is as follows: the machine head is placed in the fixed box 32 through the opening, and the guard plate 33 is slid downward to cover the opening; the control module 2 works to control the water pump to deliver cleaning liquid to the machine head to complete the machine head running-in cleaning.

[0056] Example 2 Reference Figure 4 and Figure 5 The difference between this embodiment and embodiment 1 is that the driving component 35 further includes a connecting member 352 and a pressure sensor 353.

[0057] The upper end of the guard plate 33 is provided with a slide groove 331, which extends vertically. The connecting member 352 includes a connecting portion 3521, an insert block 3522 and a pressing block 3523.

[0058] The connecting portion 3521 is fixedly connected to the piston rod of the driving cylinder 351. The insert 3522 and the pressing block 3523 are both fixedly connected to the connecting portion 3521, and the pressing block 3523 is located above the insert 3522.

[0059] The insert block 3522 is slidably embedded in the slide groove 331, and the pressing block 3523 is located above the guard plate 33. The pressure sensor 353 is installed at the upper end position of the guard plate 33.

[0060] When the insert 3522 is located at the highest point of the slide groove 331 , there is a gap between the pressing block 3523 and the pressure sensor 353 .

[0061] When the pressing block 3523 is pressed against the pressure sensor 353 , the insert 3522 is located in the middle of the sliding groove 331 .

[0062] When the control module 2 receives the signal from the pressure sensor 353 , the control module 2 controls the water pump to operate.

[0063] The driving assembly 35 further includes a conductive sheet 354 and a spring 355 .

[0064] The conductive sheet 354 is mounted on the upper end of the guard plate 33. The spring 355 is connected to the pressing block 3523, and the lower end of the spring 355 is used to contact the conductive sheet 354 to conduct electricity.

[0065] When the pressure block 3523 is pressed against the pressure sensor 353, the spring 355 is pressed against the conductive sheet 354 to conduct electricity, and the spring 355 is in a compressed and deformed state; When the spring 355 is in its original length and contacts the conductive sheet 354 to conduct electricity, the pressing block 3523 is separated from the pressure sensor 353 and the insert 3522 is located in the middle of the sliding groove 331 . When the insert 3522 is located at the highest point of the sliding groove 331 , the spring 355 is stretched and deformed by gravity, and the spring 355 is separated from the conductive sheet 354 .

[0066] When the connecting member 352 moves downward relative to the guard plate 33 , the spring 355 first contacts the conductive sheet 354 , and then the pressing block 3523 contacts the pressure sensor 353 . When the connecting member 352 moves upward relative to the guard plate 33 , the pressing block 3523 first separates from the pressure sensor 353 , and then the spring 355 separates from the conductive sheet 354 .

[0067] When the spring 355 contacts the conductive sheet 354 to be conductive, the control module 2 can control the water pump to be powered on.

[0068] In this embodiment: Reference Figure 6, a low-voltage power supply, a transistor (transistor), a spring 355, a conductive sheet 354, and a relay coil are sequentially connected in series; the control module 2 is used to control the transistor to be turned on or off; When the spring 355 contacts the conductive sheet 354 to conduct, the control module 2 controls the transistor to conduct or cut off based on the signal from the pressure sensor 353 to control the relay switch to close or open, that is, to control the water pump to be powered on or off; When the spring 355 is separated from the conductive sheet 354 , the water pump is powered off.

[0069] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A sewing machine running-in cleaning method, characterized in that: include: Run at set speed Vn for N set time to clean, After the Nth set time, assign N=N+1, n=N, Vn=Vn+vm, m=m+1, and repeat the above steps; Among them, vm>0.

2. The sewing machine running-in cleaning method according to claim 1, characterized in that: Also includes: After the Nth set time, when N=Nmax, the cleaning is finished.

3. The sewing machine running-in cleaning method according to claim 1, characterized in that: Also includes: After the Nth set time, the value Vn=Vn+vm is assigned. When Vn>Vmax, the cleaning is ended.

4. The sewing machine running-in cleaning method according to claim 1, characterized in that: Also includes: During the Nth set time, the cleaning is stopped in response to the stop signal.

5. The sewing machine running-in cleaning method according to claim 1, characterized in that: Before running at the set speed Vn for the Nth set time for cleaning, it also includes: After receiving the cleaning signal, it enters the cleaning mode after powering on again.

6. The sewing machine running-in cleaning method according to claim 1, characterized in that: Before running at the set speed Vn for the Nth set time for cleaning, it also includes: Get the motor encoder angle, After the preset time, the motor starts running.

7. The sewing machine running-in cleaning method according to claim 1, characterized in that: Also includes: Run the grinding time at the grinding speed for grinding, After the grinding time, the grinding is finished.

8. The sewing machine running-in cleaning method according to claim 7, characterized in that: Also includes: During the grinding time, respond to the stop signal to stop grinding.

9. A sewing machine running-in cleaning system, characterized in that: It includes a storage module (1) and a control module (2), The storage module (1) stores computer programs / instructions, The control module (2) executes the computer program / instructions to implement the steps of the method according to any one of claims 1 to 8.

10. The sewing machine running-in cleaning system according to claim 9, characterized in that: It also includes a cleaning liquid circulation device (3), The control module (2) is connected to the cleaning liquid circulation device (3), In the cleaning mode, the control module (2) controls the operation of the cleaning liquid circulation device (3).

Images