Cooling mechanism of spark machine

Abstract

The utility model discloses a cooling mechanism of an electric discharge machine, which comprises an electric discharge machine cooling box body, an internal circulation cooling barrel is arranged on one side in the electric discharge machine cooling box body, a hot air outlet is arranged at the top of the internal circulation cooling barrel, a cooling pipe is arranged at the center position in the internal circulation cooling barrel, and a hot air outlet is arranged at the top of the cooling pipe. A liquid outlet is formed in the upper portion of one side of the internal circulation cooling barrel, a cooling oil liquid recovery pipe is arranged below the other side of the internal circulation cooling barrel, an oil residue filter is arranged on the cooling oil liquid recovery pipe, and a switch control valve is arranged at the top of the cooling oil liquid recovery pipe. The cooling pipe is arranged in the center of the interior of the internal circulation cooling barrel, recycled cooling oil liquid and new cooling oil liquid can be separated through the internal circulation cooling barrel, the two kinds of cooling oil liquid with different temperatures can be stored independently, meanwhile, the cooling oil liquid has the recycling function, secondary use of the cooling oil liquid is facilitated, cost expenditure is saved, and the cooling oil liquid recycling device is suitable for large-scale popularization and application. And the operation is easier.

Description

Technical Field

[0001] The utility model relates to the field of spark machines, in particular to a cooling mechanism of a spark machine. Background Technique

[0002] A spark machine is a spark discharge machining tool, which uses the electro-erosion effect generated by pulsed discharge between two electrodes immersed in the working fluid to remove conductive materials. It is a special machining method, also known as an electric pulse and die discharge machining tool, mainly used in hardware factories, die factories, electronic factories, military industries, automotive die factories, plastic metals, etc. It is suitable for the processing of small and large copper workpieces. The servo speed for small copper workpiece processing is fast to facilitate carbon removal. For large copper workpiece processing, the downward servo speed gradually decreases, and the upward servo speed gradually increases to overcome the pressure and vacuum suction force.

[0003] In the prior art, there are still certain deficiencies in the use of the cooling mechanism of the spark machine. The traditional cooling mechanism does not have a recycling function, and the cooling oil after use is usually wasted, increasing the cost. Generally, the temperature of the cooling oil after use is relatively high. If it is directly recycled, the temperature of the cooling oil will be aggravated. In a continuous high-temperature state, not only the cooling effect is reduced, but there are also certain safety hazards, affecting the quality of workpiece processing. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cooling mechanism of a spark machine to solve the problems in the above background technique, that is, the traditional cooling mechanism does not have a recycling function, the cooling oil after use is usually wasted, increasing the cost, generally the temperature of the cooling oil after use is relatively high, and direct recycling will aggravate the temperature of the cooling oil. In a continuous high-temperature state, not only the cooling effect is reduced, but there are also certain safety hazards, affecting the quality of workpiece processing.

[0005] To achieve the above object, the present utility model provides the following technical solution: A cooling mechanism for a spark machine, comprising a spark machine cooling box body. Inside one side of the spark machine cooling box body, there is an internal circulation cooling barrel. At the top of the internal circulation cooling barrel, there is a hot air outlet. At the central position inside the internal circulation cooling barrel, there is a cooling pipe. Above one side of the internal circulation cooling barrel, there is a liquid outlet. Below the other side of the internal circulation cooling barrel, there is a cooling oil liquid recovery pipe. An oil residue filter is provided on the cooling oil liquid recovery pipe. A switch control valve is provided at the top of the cooling oil liquid recovery pipe. Below the inside of the oil residue filter, there is an oil residue sedimentation tank. On the other side inside the spark machine cooling box body, there is a fixed pipe. The top end of the fixed pipe is connected to a water pump. One side of the water pump has a cooling oil liquid outlet. On one side of the bottom surface of the spark machine cooling box body, there is a cooling fan. Below the spark machine cooling box body, there is a fixed base. On both sides below the fixed base, there are anti-slip foot pads. At the top of the front end of the spark machine cooling box body, there is a cooling oil liquid inlet. At the bottom of the rear end of the spark machine cooling box body, there is a sewage outlet. On one side of the front end of the spark machine cooling box body, there is a liquid level observation port.

[0006] In a further embodiment, a protective cover is provided at the top end of the hot air outlet. Inside the protective cover, there is a third filter screen, and the protective cover is fixedly connected to the hot air outlet by threads.

[0007] In a further embodiment, a second filter screen is provided at the bottom of the fixed pipe, and the second filter screen is provided in a spherical structure.

[0008] In a further embodiment, a first filter screen is provided at the bottom end inside the oil residue filter, and the oil residue sedimentation tank and the oil residue filter are provided as an integral structure. A sealing cap is provided at the bottom end of the oil residue sedimentation tank, and the oil residue filter is fixedly connected to the spark machine cooling box body by a bracket.

[0009] In a further embodiment, the cooling fan is fixedly connected to the internal circulation cooling barrel by a connecting pipe. The connecting pipe is provided above a sealing plate, and the sealing plate is fixedly connected to the cooling fan by bolts.

[0010] In a further embodiment, a protective net is provided on the bottom surface of the cooling fan, and the cooling fan is fixedly connected to the fixed base by a support frame.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] 1. In the center of the inner part of the inner circulation cooling barrel of this utility model, a cooling pipe is provided. Through the inner circulation cooling barrel, the recycled cooling oil can be separated from the new cooling oil, so that the two cooling oils with different temperatures are stored separately. At the same time, it also has the function of recycling, which is convenient for the secondary use of the cooling oil, saves cost expenditure, and is easier to operate. The design of the cooling pipe can cool the inner circulation cooling barrel, cool down the recycled cooling oil, and mix it with the new cooling oil for use, thus ensuring the quality of workpiece processing and having better practical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of a cooling mechanism of a spark machine of this utility model;

[0014] Figure 2 is a front view of a cooling mechanism of a spark machine of this utility model;

[0015] Figure 3 is a side view of a cooling mechanism of a spark machine of this utility model;

[0016] Figure 4 is a top view of a cooling fan of this utility model;

[0017] Figure 5 is a schematic bottom structure diagram of a cooling fan of this utility model;

[0018] Figure 6 is a top view of a protective cover of this utility model.

[0019] In the figure: 1. Protective cover; 2. Hot air outlet; 3. Spark machine cooling box body; 4. Inner circulation cooling barrel; 5. Cooling pipe; 6. Liquid outlet; 7. Water pump; 8. Cooling oil outlet; 9. Fixed pipe; 10. Cooling oil recovery pipe; 11. Bracket; 12. Oil residue filter; 13. Switch control valve; 14. First filter screen; 15. Oil residue sedimentation tank; 16. Sealing cap; 17. Connecting pipe; 18. Cooling fan; 19. Support frame; 20. Fixed base; 21. Anti-slip foot pad; 22. Second filter screen; 23. Cooling oil inlet; 24. Liquid level observation port; 25. Drainage port; 26. Sealing plate; 27. Protective net; 28. Third filter screen. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments.

[0021] Please refer to Figures 1-6, an embodiment provided by the present utility model: a cooling mechanism for a spark machine, including a spark machine cooling box body 3. On one side inside the spark machine cooling box body 3, there is an inner circulation cooling barrel 4. At the top of the inner circulation cooling barrel 4, there is a hot air outlet 2. At the central position inside the inner circulation cooling barrel 4, there is a cooling pipe 5. Above one side of the inner circulation cooling barrel 4, there is a liquid outlet 6. Below the other side of the inner circulation cooling barrel 4, there is a cooling oil liquid recovery pipe 10. On the cooling oil liquid recovery pipe 10, there is an oil residue filter 12. At the top of the cooling oil liquid recovery pipe 10, there is a switch control valve 13. Below the inside of the oil residue filter 12, there is an oil residue sedimentation tank 15. On the other side inside the spark machine cooling box body 3, there is a fixed pipe 9. The top end of the fixed pipe 9 is connected to a water pump 7. On one side of the water pump 7, there is a cooling oil liquid outlet 8. On one side of the bottom surface of the spark machine cooling box body 3, there is a cooling fan 18. Below the spark machine cooling box body 3, there is a fixed base 20. On both sides below the fixed base 20, there are anti-slip foot pads 21. At the top of the front end of the spark machine cooling box body 3, there is a cooling oil liquid inlet 23. At the bottom of the rear end of the spark machine cooling box body 3, there is a sewage outlet 25. On one side of the front end of the spark machine cooling box body 3, there is a liquid level observation port 24; the inner circulation cooling barrel 4 is used to store and cool the recovered cooling oil liquid. The cooling pipe 5 is used to convey cold air into the inner circulation cooling barrel 4 to cool the liquid. The cooling oil liquid recovery pipe 10 is used to convey the used cooling oil liquid into the inner circulation cooling barrel 4. The oil residue filter 12 is used to filter the slag in the cooling oil liquid. The oil residue sedimentation tank 15 is used to sediment and store the slag. The cooling fan 18 is used to supply cold air to the cooling pipe 5. The fixed base 20 is used to increase the stability of the bottom. The sewage outlet 25 is used to discharge and clean the dirt sedimented at the bottom.

[0022] At the top end of the hot air outlet 2, there is a protective cover 1. Inside the protective cover 1, there is a third filter screen 28, and the protective cover 1 is fixedly connected to the hot air outlet 2 by threads. The protective cover 1 is used to seal and protect the top end of the hot air outlet 2. The third filter screen 28 is used to filter dust to prevent dust from entering.

[0023] At the bottom of the fixed pipe 9, there is a second filter screen 22, and the second filter screen 22 is set as a spherical structure. The second filter screen 22 is used to filter the liquid.

[0024] At the bottom end inside the oil residue filter 12, there is a first filter screen 14, and the oil residue sedimentation tank 15 and the oil residue filter 12 are set as an integrated structure. At the bottom end of the oil residue sedimentation tank 15, there is a sealing cap 16, and the oil residue filter 12 is fixedly connected to the spark machine cooling box body 3 by a bracket 11. The first filter screen 14 is used to filter the liquid. The sealing cap 16 is used to seal the oil residue sedimentation tank 15 to facilitate the discharge and cleaning of the slag.

[0025] The cooling fan 18 is fixedly connected to the internal circulation cooling barrel 4 through a connecting pipe 17. The connecting pipe 17 is arranged above the sealing plate 26, and the sealing plate 26 is fixedly connected to the cooling fan 18 by bolts. The connecting pipe 17 is used to connect the cooling fan 18 and the internal circulation cooling barrel 4 in communication. A protective net 27 is provided on the bottom surface of the cooling fan 18, and the cooling fan 18 is fixedly connected to the fixed base 20 through a support frame 19. The protective net 27 is used to seal and protect the bottom surface of the cooling fan 18, and the support frame 19 is used to support and fix the cooling fan 18 to the fixed base 20, leaving a certain gap at the bottom.

[0026] Working principle: During use, the cooling oil recovery pipe 10 is fixedly connected to the oil tank on the spark machine. The recovered cooling oil is transported into the internal circulation cooling barrel 4 through the cooling oil recovery pipe 10. The oil slag in the liquid is filtered through the oil slag filter 12 and precipitated in the oil slag sedimentation tank 15 for storage. The cooling fan 18 blows cold air into the cooling pipe 5 to cool down the recovered cooling oil in the internal circulation cooling barrel 4. The cooled liquid is discharged into the spark machine cooling box 3 through the liquid outlet 6 to be mixed with new cooling oil. The cooling oil is sucked in from the fixed pipe 9 by the water pump 7 and discharged through the cooling oil outlet 8 to cool the workpiece.

[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A cooling mechanism for a spark machine, comprising a spark machine cooling box body (3), characterized in that: On one side inside the spark machine cooling box body (3), there is an internal circulation cooling barrel (4). At the top of the internal circulation cooling barrel (4), there is a hot air outlet (2). At the central position inside the internal circulation cooling barrel (4), there is a cooling pipe (5). Above one side of the internal circulation cooling barrel (4), there is a liquid outlet (6). Below the other side of the internal circulation cooling barrel (4), there is a cooling oil liquid recovery pipe (10). On the cooling oil liquid recovery pipe (10), there is an oil residue filter (12). At the top of the cooling oil liquid recovery pipe (10), there is a switch control valve (13). Below the inside of the oil residue filter (12), there is an oil residue sedimentation tank (15). On the other side inside the spark machine cooling box body (3), there is a fixed pipe (9). The top end of the fixed pipe (9) is connected to a water pump (7). On one side of the water pump (7), there is a cooling oil liquid outlet (8). On one side of the bottom surface of the spark machine cooling box body (3), there is a cooling fan (18). Below the spark machine cooling box body (3), there is a fixed base (20). On both sides below the fixed base (20), there are anti-slip foot pads (21). At the top of the front end of the spark machine cooling box body (3), there is a cooling oil liquid inlet (23). At the bottom of the rear end of the spark machine cooling box body (3), there is a sewage outlet (25). On one side of the front end of the spark machine cooling box body (3), there is a liquid level observation port (24).

2. The cooling mechanism of a spark machine according to claim 1, wherein: At the top end of the hot air outlet (2), there is a protective cover (1). Inside the protective cover (1), there is a third filter screen (28), and the protective cover (1) is fixedly connected to the hot air outlet (2) by threads.

3. The cooling mechanism of a spark machine according to claim 1, wherein: At the bottom of the fixed pipe (9), there is a second filter screen (22), and the second filter screen (22) is set in a spherical structure.

4. The cooling mechanism of a spark machine according to claim 1, wherein: At the bottom end inside the oil residue filter (12), there is a first filter screen (14), and the oil residue sedimentation tank (15) and the oil residue filter (12) are set as an integrated structure. At the bottom end of the oil residue sedimentation tank (15), there is a sealing cap (16), and the oil residue filter (12) is fixedly connected to the spark machine cooling box body (3) by a bracket (11).

5. The cooling mechanism of a spark machine according to claim 1, characterized in that: The cooling fan (18) is fixedly connected to the internal circulation cooling barrel (4) by a connecting pipe (17). The connecting pipe (17) is arranged above a sealing plate (26), and the sealing plate (26) is fixedly connected to the cooling fan (18) by bolts.

6. The cooling mechanism of a spark machine according to claim 1, characterized in that: On the bottom surface of the cooling fan (18), there is a protective net (27), and the cooling fan (18) is fixedly connected to the fixed base (20) by a support frame (19).

Images