Automatic oil supply structure of button sewing machine

Abstract

The utility model belongs to the technical field of button sewing machines, and particularly relates to an automatic oil supply structure of a button sewing machine. An oil tank is connected with a first oil suction pipe, the other end of the first oil suction pipe is connected with a three-way valve, an outlet of the three-way valve is connected with a second oil suction pipe, the other end of the second oil suction pipe is connected with an oil pump, and the output end of the oil pump is connected with a third oil outlet pipe. The third oil outlet pipe is connected with the upper end of an upper diverter valve, the lower end of the upper diverter valve is connected with first oil guide cotton and a fourth oil outlet pipe, the other end of the first oil guide cotton extends into the machine head, the other end of the fourth oil outlet pipe is connected with the upper end of a lower diverter valve, and the lower end of the lower diverter valve is connected with second oil guide cotton and a second oil return pipe. Oil in the oil tank is pumped through the oil pump, and then a small amount of oil is continuously guided into a working part through the oil guide cotton, so that the continuous lubrication function is achieved, automatic oil filling is achieved, operation is convenient, it is guaranteed that the machine can operate for a long time, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of button sewing machines, in particular to an automatic oil supply structure of a button sewing machine. Background Art

[0002] A button sewing machine is a special sewing machine for sewing flat buttons on clothes or fabrics. It usually uses a button clamp to clamp the flat button, and a driving component enables the flat button to move during the sewing process, thereby sewing the flat button on the clothes or fabrics.

[0003] The needle bar, drive shaft, cam shaft and lower shaft of the button sewing machine are all equipped with accessories such as bushings. In order to prevent dry friction, they need to be lubricated to avoid severe wear. At present, the lubrication of the machine is mostly done manually, that is, according to the requirements of the manual, the specified lubrication points should be manually oiled with an oiler every hour of work.

[0004] Since sewing work requires very cleanliness, manual oiling is not only time-consuming and affects work efficiency, but also easily contaminates the fabric. If oiling is forgotten, it will also cause malfunctions. Therefore, the structure needs to be further improved. Utility Model Content

[0005] The utility model aims to provide an automatic oil supply structure for a button sewing machine, which solves the problem of troublesome oil supply through an oil pump.

[0006] The purpose of the utility model is achieved as follows: an automatic oil supply structure of a button sewing machine comprises a machine base, a machine casing and a machine head, wherein an oil tank, an oil pump and a lower diverter valve are respectively arranged in the machine base, an upper diverter valve is arranged in the machine casing, the oil tank is connected to an oil suction pipe 1, the other end of the oil suction pipe 1 is connected to a three-way valve, the outlet of the three-way valve is connected to an oil suction pipe 2, the other end of the oil suction pipe 2 is connected to an oil pump, the output end of the oil pump is connected to an oil outlet pipe 3, the oil outlet pipe 3 is connected to the upper end of the upper diverter valve, and the upper The lower end of the diverter valve is respectively connected with an oil inlet sponge 1 and an oil outlet pipe 4, the other end of the oil inlet sponge 1 extends into the machine head to supply oil to the needle rod assembly, the lower end of the machine head is connected with an oil return pipe 1, the other end of the oil return pipe 1 is connected to the three-way valve, the other end of the oil outlet pipe 4 is connected to the upper end of the lower diverter valve, the lower end of the lower diverter valve is respectively connected with an oil inlet sponge 2 and an oil return pipe 2, the other end of the oil inlet sponge 2 extends to the front end of the machine base to supply oil to the lower shaft assembly, and the other end of the oil return pipe 2 is connected to the oil tank.

[0007] Preferably, the lower end of the casing is connected to an oil return pipe 4, and the other end of the oil return pipe 4 is connected to the oil tank.

[0008] Preferably, the oil tank is respectively provided with an oil outlet hole, oil return hole one, oil return hole two and oil return hole three, the oil outlet hole is connected to an oil suction pipe one, the oil return hole one is connected to an oil return pipe two, the oil return hole two is connected to an oil return pipe three, and the oil return hole three is connected to an oil return pipe four.

[0009] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0010] The utility model adopts the design of the oil pump, so that in the actual working process, the oil in the oil tank is extracted through the oil suction pipe 2 and the oil suction pipe 1, and then the oil is first transported to the diverter valve through the oil outlet pipe 3 and the oil return pipe 4 respectively, and then a small amount of oil is continuously drained into the working parts through the oil guide sponge, so as to achieve continuous lubrication. Compared with the manual refueling in the prior art, the utility model can realize automatic refueling, which is easy to operate, ensures that the machine can run for a long time, and extends the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 Schematic diagram of the automatic oil supply structure inside the button sewing machine Figure 1 .

[0012] Figure 2 Schematic diagram of the automatic oil supply structure inside the button sewing machine Figure 2 .

[0013] Figure 3 A schematic diagram of the fuel tank structure.

[0014] Figure 4 It is a structural schematic diagram of a button sewing machine.

[0015] Figure 5 This is a structural diagram of the oil supply structure installed in the button sewing machine.

[0016] Reference numerals: 1-machine base; 2-machine casing; 3-machine head; 4-oil tank; 5-oil pump; 6-lower diverter valve; 7-upper diverter valve; 8-oil suction pipe 1; 9-three-way valve; 10-oil suction pipe 2; 11-oil outlet pipe 3;

[0017] 12-Oil guide sponge 1; 13-Oil outlet pipe 4; 14-Needle rod assembly; 15-Oil return pipe 1; 17-Oil guide sponge 2; 18-Oil return pipe 2; 19-Lower shaft assembly; 20-Oil return pipe 3; 21-Oil return pipe 4; 22-Oil outlet hole; 23-Oil return hole 1; 24-Oil return hole 2; 25-Oil return hole 3; 26-Transparent window. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0019] like Figure 1-5As shown, an automatic oil supply structure of a button sewing machine includes a machine base 1, a machine casing 2 and a machine head 3, wherein the machine base 1 is respectively provided with an oil tank 4, an oil pump 5 and a lower diverter valve 6, wherein the machine casing 2 is provided with an upper diverter valve 7, wherein the oil tank 4 is connected to an oil suction pipe 1 8, wherein the other end of the oil suction pipe 1 8 is connected to a three-way valve 9, wherein the outlet of the three-way valve 9 is connected to an oil suction pipe 2 10, wherein the other end of the oil suction pipe 2 10 is connected to an oil pump 5, wherein the output end of the oil pump 5 is connected to an oil outlet pipe 3 11, wherein the oil outlet pipe 3 11 is connected to the upper end of the upper diverter valve 7, wherein the lower end of the upper diverter valve 7 is respectively connected to the oil outlet pipe 3 11 and the oil outlet pipe 3 11 is connected to the upper end of the upper diverter valve 7, wherein ... lower end of the upper diverter valve 7, wherein the oil outlet pipe 3 11 is connected to the upper end of the upper diverter valve 7, wherein the oil outlet pipe 3 11 is connected to the lower end of the upper diverter valve 7, wherein the oil outlet pipe It is connected with an oil inlet sponge 12 and an oil outlet pipe 4 13, the other end of the oil inlet sponge 12 extends into the machine head 3 to supply oil to the needle rod assembly 14, the lower end of the machine head 3 is connected with an oil return pipe 15, the other end of the oil return pipe 15 is connected to the three-way valve 9, the other end of the oil outlet pipe 4 13 is connected to the upper end of the lower diverter valve 6, the lower end of the lower diverter valve 6 is respectively connected with an oil inlet sponge 2 17 and an oil return pipe 2 18, the other end of the oil inlet sponge 2 17 extends to the front end of the machine base 1 to supply oil to the lower shaft assembly 19, and the other end of the oil return pipe 2 18 is connected to the oil tank 4.

[0020] When the oil pump 5 is working, the oil in the oil tank can be drawn through the oil pipe and first transported to the diverter valve, and then transported to various components to achieve lubrication effect, which can effectively prevent excessive oil injection and ensure that the oil is not supplied too quickly. The upper diverter valve 7 is located at the position of the machine head 3, which is relatively high. It can rely on gravity to automatically drain the oil to other parts of the sewing machine, so that the oil supply remains uniform and the oil supply speed remains slow.

[0021] Through the design of the oil pump 5, the utility model allows, during the actual working process, the oil in the oil tank 4 to be extracted through the oil suction pipe 2 10 and the oil suction pipe 1 8, and then the oil is first transported to the diverter valve through the oil outlet pipe 3 11 and the oil outlet pipe 4 13, and then a small amount of oil is continuously drained into the working parts through the oil guide sponge, thereby achieving continuous lubrication. Compared with the manual refueling in the prior art, the utility model can realize automatic refueling, which is easy to operate, ensuring that the machine can run for a long time and extending its service life.

[0022] The machine base 1, the machine housing 2, the machine head 3, the lower shaft assembly 19 and the needle bar assembly 14 are existing structures in the button sewing machine, and therefore will not be described in detail in this article.

[0023] The front end of the base 1 is connected to an oil return pipe 3 20, and the other end of the oil return pipe 3 20 is connected to the oil tank 4, so that the remaining oil in the lower shaft assembly 19 flows back to the oil tank 4 to prevent it from accumulating.

[0024] The lower end of the casing 2 is connected to an oil return pipe 21, and the other end of the oil return pipe 21 is connected to the oil tank 4, so that the remaining oil in the casing 2 can flow back to the oil tank through the oil return pipe 21.

[0025] The oil tank 4 is respectively provided with an oil outlet hole 22, an oil return hole 1 23, an oil return hole 24 and an oil return hole 3 25. The oil outlet hole 22 is connected to an oil suction pipe 1 8, the oil return hole 1 23 is connected to an oil return pipe 2 18, the oil return hole 24 is connected to an oil return pipe 3 20, and the oil return hole 3 25 is connected to an oil return pipe 4 21.

[0026] The side of the oil tank 4 is provided with a plurality of transparent windows 26, so as to observe the situation inside the oil tank 4 and add oil in time.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic oil supply structure for a button sewing machine, characterized in that: The invention comprises a machine base (1), a machine casing (2) and a machine head (3); the machine base (1) is provided with an oil tank (4), an oil pump (5) and a lower diverter valve (6); the machine casing (2) is provided with an upper diverter valve (7); the oil tank (4) is connected to an oil suction pipe (8); the other end of the oil suction pipe (8) is connected to a three-way valve (9); the outlet of the three-way valve (9) is connected to an oil suction pipe (10); the other end of the oil suction pipe (10) is connected to an oil pump (5); the output end of the oil pump (5) is connected to an oil outlet pipe (11); the oil outlet pipe (11) is connected to the upper end of the upper diverter valve (7); the lower end of the upper diverter valve (7) is connected to an oil inlet pipe (12); and the oil outlet pipe (13) is connected to an oil inlet pipe (14). The oil-introducing sponge (12) and the oil outlet pipe (13) are connected. The other end of the oil-introducing sponge (12) extends into the machine head (3) to supply oil to the needle rod assembly (14). The lower end of the machine head (3) is connected to the oil return pipe (15). The other end of the oil return pipe (15) is connected to the three-way valve (9). The other end of the oil outlet pipe (13) is connected to the upper end of the lower diverter valve (6). The lower end of the lower diverter valve (6) is respectively connected to the oil-introducing sponge (17) and the oil return pipe (18). The other end of the oil-introducing sponge (17) extends to the front end of the machine base (1) to supply oil to the lower shaft assembly (19). The other end of the oil return pipe (18) is connected to the oil tank (4).

2. The automatic oil supply structure of the button sewing machine according to claim 1, characterized in that: The front end of the machine base (1) is connected to an oil return pipe (20), and the other end of the oil return pipe (20) is connected to an oil tank (4).

3. The automatic oil supply structure of the button sewing machine according to claim 1, characterized in that: The lower end of the casing (2) is connected to an oil return pipe (21), and the other end of the oil return pipe (21) is connected to an oil tank (4).

4. The automatic oil supply structure of the button sewing machine according to claim 1, characterized in that: The oil tank (4) is respectively provided with an oil outlet hole (22), an oil return hole 1 (23), an oil return hole 2 (24) and an oil return hole 3 (25); the oil outlet hole (22) is connected to an oil suction pipe 1 (8); the oil return hole 1 (23) is connected to an oil return pipe 2 (18); the oil return hole 2 (24) is connected to an oil return pipe 3 (20); and the oil return hole 3 (25) is connected to an oil return pipe 4 (21).

5. The automatic oil supply structure of the button sewing machine according to claim 1, characterized in that: A plurality of transparent windows (26) are arranged on the side of the oil tank (4).

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