Overedger

Abstract

The utility model belongs to the technical field of overedgers, and particularly relates to an overedger which comprises an overedger body. The detection device is arranged on the overedger main body and is used for controlling the shearing work of the overedger main body; the oil filtering device is arranged in the overedger main body, is used for conveying oil to each part in the overedger main body for lubrication, and is also used for filtering lubricating oil; the oil filtering device is at least provided with a filtering assembly, an oil filtering assembly and an oil filtering assembly, the oil delivery pipe of the filtering assembly is connected with the oil nozzle; the drainage part is arranged below the oil nozzle, and a plurality of drainage holes are formed in the drainage part; and after the oil nozzle sprays oil to the drainage part, the lubricating oil is guided by the drainage part to flow to the drainage hole, and flows to each part through the drainage hole.

Description

Technical Field

[0001] The technical solution relates to the technical field of overlock sewing machines, in particular to an overlock sewing machine. Background Art

[0002] The main function of the overlock sewing machine is generally to prevent the seams of clothing from pilling. The overlock sewing machine can not only be used for hemming, but also for sewing T-shirts, sportswear, underwear, knitwear and other fabrics. The overlock sewing machine can cut and sew at the same time, and the stitches are like mesh, and it is also suitable for elastic fabrics.

[0003] When the overlock sewing machine is working, each component inside it needs lubricating oil to lubricate it. The existing overlock sewing machine uses the method of oiling each component as follows: an oil delivery pipe is placed above each component, and all the oil delivery pipes are connected to an oil box. This arrangement makes the internal pipeline structure of the overlock sewing machine complicated and occupies the internal space of the overlock sewing machine. Utility Model Content

[0004] The purpose of this technical solution is to provide a sewing machine, which can drain the lubricating oil to various parts in the sewing machine through the drainage part of the oil filter assembly, so as to solve the problem that the pipeline structure of the lubricating oil of the sewing machine is relatively complicated.

[0005] The purpose of this technical solution is achieved in this way:

[0006] A sewing machine comprises: a sewing machine body; a detection device, which is arranged on the sewing machine body and is used to control the shearing work of the sewing machine body; and an oil filtering device, which is arranged in the sewing machine body and is used to deliver oil to various parts in the sewing machine body for lubrication, and is also used to filter the lubricating oil; wherein the oil filtering device at least comprises: a filtering assembly, which is arranged in the sewing machine body; an oil spray nozzle, the oil delivery pipe of the filtering assembly is connected to the oil spray nozzle; and a drainage part, which is arranged below the oil spray nozzle, and a plurality of drainage holes are opened on the drainage part; wherein, after the oil spray nozzle sprays oil to the drainage part, the lubricating oil is guided to flow to the drainage holes through the drainage part, and then flows to various parts from the drainage holes.

[0007] Preferably, the oil filtering device also includes: an oil pan, which is arranged below the overlock machine body and is used to recover the lubricating oil; and an oil pump, which is used to pump the lubricating oil from the filter assembly to the oil nozzle, and is also used to pump the lubricating oil from the oil pan to the filter assembly; wherein the lubricating oil can drip from various parts into the oil pan.

[0008] Preferably, the filter assembly comprises at least: an oil box, on which an oil inlet pipe and an oil delivery pipe are arranged; a box cover, which is arranged on the oil box; and a filter element, which is arranged in the oil box and placed below the oil delivery pipe; wherein the oil inlet pipe is used to connect the oil pan and the oil box, and the oil delivery pipe is used to connect the oil box and the fuel injector.

[0009] Preferably, the drainage portion is in an arc-shaped structure, fixedly disposed in the main body of the overlock sewing machine and bent downward.

[0010] Preferably, the overlock machine body comprises at least: a frame; a head cover plate, which is arranged on the end side of the frame; a thread cutting device, which is arranged in the frame; and a working motor; wherein the detection device is arranged on the frame and is located beside the head cover plate.

[0011] Preferably, the detection device is used to control the operation of the thread trimming device, and the detection device at least comprises: an infrared transmitter, which is arranged on the frame and is used to transmit infrared signals; and an infrared receiver, which is arranged on the frame and is located below the infrared transmitter and is used to receive infrared signals; when the infrared receiver receives the infrared signal, the thread trimming device can operate.

[0012] Preferably, the working motor is configured as an energy-saving motor.

[0013] Compared with the prior art, the technical solution has the following outstanding and beneficial technical effects:

[0014] 1. The oil filter device designed in this technical solution has a simple structure and strong functionality. It only needs to set the drainage part on the parts that need to be lubricated. When the oil nozzle sprays the lubricating oil on the drainage part, the lubricating oil will automatically flow along the drainage part to the parts, and the drainage hole can make the lubricating oil fall on the parts in the form of drops. There is no need to use multiple pipes, which simplifies the internal structure of the main body of the overlock sewing machine.

[0015] 2. The detection device designed in this technical solution is set on the frame. Compared with the detection device of the original overlock machine which is set on the machine head cover, the detection device will not have problems such as inaccurate positioning and low precision due to the shaking of the machine head cover. The frame is more stable than the machine head cover, so the detection device can be guaranteed to work more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural diagrams of this technical solution.

[0017] Figure 2 This is the second structural diagram of this technical solution.

[0018] Figure numerals: 1. overlock machine body; 2. detection device; 3. oil filter device; 4. oil nozzle; 5. drainage part; 6. drainage hole; 7. oil box; 8. frame; 9. head cover; 10. infrared transmitter; 11. infrared receiver. DETAILED DESCRIPTION

[0019] The specific implementation of the technical solution is further described in detail below with reference to the accompanying drawings.

[0020] A sewing machine comprises: a sewing machine body 1; a detection device 2, which is arranged on the sewing machine body 1 and is used to control the shearing work of the sewing machine body 1; and an oil filtering device 3, which is arranged in the sewing machine body 1 and is used to deliver oil to various parts in the sewing machine body 1 for lubrication, and is also used to filter the lubricating oil; wherein the oil filtering device 3 at least comprises: a filtering component, which is arranged in the sewing machine body 1; an oil spray nozzle 4, the oil delivery pipe of the filtering component is connected to the oil spray nozzle 4; and a drainage part 5, which is arranged below the oil spray nozzle 4, and a plurality of drainage holes 6 are opened on the drainage part 5; wherein, after the oil spray nozzle 4 sprays oil to the drainage part 5, the lubricating oil is guided to flow to the drainage holes 6 through the drainage part 5, and flows from the drainage holes 6 to various parts, and the drainage part 5 is fixedly arranged in the sewing machine body 1 in an arc-shaped structure and bent downward.

[0021] like Figure 1 and Figure 2 As shown, the overlock machine of the present application mainly improves the detection device 2 and the oil filter device 3. The oil filter device 3 is arranged as a whole inside the overlock machine body 1, and is used to lubricate the parts inside the machine and ensure the filtration of the lubricating oil during circulation. The filter assembly is used for oil storage and lubricating oil transportation. The filter assembly is arranged in a chamber opened in the overlock machine body 1. The oil spray nozzle 4 is connected to the filter assembly and is arranged on the shell at the top of the overlock machine body 1. The oil spray nozzle 4 can spray oil to the circumference thereof and refine the lubricating oil so that it sprays lubricating oil droplets. The drainage portion 5 is arranged below the oil spray nozzle 4 and can receive the lubricating oil liquid The drainage portion 5 is set as a baffle, which is detachably set in the overlock machine body 1 by screws. The lubricating oil can flow slowly on the drainage portion 5. The drainage hole 6 is a through hole set on the drainage plate. When the oil nozzle 4 sprays the lubricating oil on the front of the drainage portion 5, the lubricating oil will flow to the drainage hole 6. The drainage hole 6 can gather the lubricating oil into oil droplets and then drip them on the parts from the back of the drainage portion 5 to play a lubricating role. The drainage portion 5 has an arc-shaped surface and is horizontally placed in the overlock machine body 1. The design of the arc-shaped structure can ensure that the lubricating oil will not stop on the drainage portion 5, but can flow quickly to the drainage hole 6.

[0022] Preferably, the oil filtering device 3 also includes: an oil pan, which is arranged below the overlock machine body 1 and is used to recover the lubricating oil; and an oil pump, which is used to pump the lubricating oil from the filtering assembly to the oil nozzle 4, and is also used to pump the lubricating oil from the oil pan to the filtering assembly; wherein the lubricating oil can drip from various parts into the oil pan.

[0023] like Figure 1 and Figure 2As shown, the oil filter device 3 needs to recover the lubricating oil dripping from the parts during operation, and also needs to transport the collected lubricating oil back to the filter assembly. The oil pan is arranged at the bottom of the overlock machine body 1, and its opening is docked with the overlock machine body 1 to receive the lubricating oil dripping from the parts. The oil pump is a power tool for transporting the lubricating oil.

[0024] Preferably, the filter assembly comprises at least: an oil box 7, on which an oil inlet pipe and an oil delivery pipe are arranged; a box cover, which is arranged on the oil box 7; and a filter element, which is arranged in the oil box 7 and placed below the oil delivery pipe; wherein the oil inlet pipe is used to connect the oil pan and the oil box 7, and the oil delivery pipe is used to connect the oil box 7 and the fuel injector 4.

[0025] like Figure 1 and Figure 2 As shown, the oil inlet pipe and the oil delivery pipe on the filter assembly are connected to the oil pan and the fuel injector 4 respectively. The lubricating oil of the oil pan flows into the oil box 7 through the oil inlet pipe, is filtered by the filter element, and then flows from the oil delivery pipe to the fuel injector 4. The box cover is used to seal the oil box 7 to prevent it from being contaminated.

[0026] Preferably, the overlock machine body 1 at least comprises: a frame 8; a head cover plate 9, which is arranged on the end side of the frame 8; a thread trimming device, which is arranged in the frame 8; and a working motor; wherein the detection device 2 is arranged on the frame 8 and is located beside the head cover plate 9, the working motor is configured as an energy-saving motor, the detection device 2 is used to control the operation of the thread trimming device, and the detection device 2 at least comprises: an infrared transmitter 10, which is arranged on the frame 8 and is used to transmit infrared signals; and an infrared receiver 11, which is arranged on the frame 8 and is located below the infrared transmitter 10 and is used to receive infrared signals; when the infrared receiver 11 receives the infrared signal, the thread trimming device can work.

[0027] like Figure 1 As shown, the improvement of the detection device 2 in the present application is that the position at which the detection device 2 is set on the overlock machine body 1 is changed. The original detection device 2 is set on the head cover plate 9. The head cover plate 9 shakes greatly relative to the frame 8 during operation, thereby affecting the operation of the detection device 2. Setting the detection device 2 on the frame 8 can increase its stability, and the infrared signal emitted will not be inaccurate due to shaking. Setting the detection device 2 on the frame 8 and next to the head cover plate 9 will not affect the operation of the detection device 2 (no cloth can be detected).

[0028] The above shows and describes the basic principle and main features of the technical solution and the advantages of the technical solution. The technicians in this industry should understand that the technical solution is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the technical solution. Without departing from the spirit and scope of the technical solution, the technical solution will have various changes and improvements, which fall within the scope of the technical solution to be protected. The scope of protection claimed by the technical solution is defined by the attached claims and their equivalents.

Claims

1. An overlock sewing machine, characterized in that: include: Overlock sewing machine body (1); A detection device (2), which is arranged on the overlock sewing machine body (1) and is used to control the shearing operation of the overlock sewing machine body (1); as well as An oil filtering device (3) is arranged in the overlock sewing machine body (1) and is used to deliver lubricating oil to various parts in the overlock sewing machine body (1) and is also used to filter the lubricating oil; Wherein, the oil filtering device (3) at least comprises: A filter assembly, which is arranged in the overlock sewing machine body (1); A fuel injection nozzle (4), the fuel delivery pipe of the filter assembly being connected to the fuel injection nozzle (4); and A drainage portion (5) is arranged below the fuel injection nozzle (4), and a plurality of drainage holes (6) are provided on the drainage portion (5); After the oil injection nozzle (4) sprays oil toward the drainage portion (5), the lubricating oil is guided through the drainage portion (5) to flow toward the drainage hole (6), and then flows from the drainage hole (6) to various parts.

2. The overlock sewing machine according to claim 1, characterized in that: The oil filtering device (3) further comprises: An oil pan, which is arranged below the overlock sewing machine body (1) and is used to recover lubricating oil; and An oil pump, which is used to pump the lubricating oil from the filter assembly to the oil injection nozzle (4), and is also used to pump the lubricating oil from the oil pan to the filter assembly; Among them, lubricating oil can drip from various parts into the oil pan.

3. The overlock sewing machine according to claim 2, characterized in that: The filter assembly at least comprises: An oil box (7) is provided with an oil inlet pipe and an oil delivery pipe; a box cover, which is arranged on the oil box (7); and A filter element, which is arranged in the oil box (7) and placed below the oil delivery pipe; The oil inlet pipe is used to connect the oil pan and the oil box (7), and the oil delivery pipe is used to connect the oil box (7) and the oil injection nozzle (4).

4. The overlock sewing machine according to claim 1, characterized in that: The drainage portion (5) is in an arc-shaped structure and is fixedly arranged in the overlock sewing machine body (1) and is bent downward.

5. The overlock sewing machine according to claim 1, characterized in that: The overlock sewing machine body (1) at least comprises: Rack (8); A machine head cover plate (9) arranged on the end side of the machine frame (8); A thread cutting device, which is arranged in the frame (8); and Working motor; Wherein, the detection device (2) is arranged on the frame (8) and is located beside the head cover plate (9).

6. The overlock sewing machine according to claim 5, characterized in that: The detection device (2) is used to control the operation of the thread trimming device, and the detection device (2) at least comprises: an infrared transmitter (10), which is arranged on the frame (8) and is used to transmit infrared signals; and An infrared receiver (11), which is arranged on the frame (8) and located below the infrared transmitter (10), and is used to receive infrared signals; When the infrared receiver (11) receives the infrared signal, the thread trimming device can work.

7. The overlock sewing machine according to claim 5, characterized in that: The working motor is configured as an energy-saving motor.

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