Cooling device of electric discharge machine

Abstract

The utility model relates to the field of wire cut electric discharge machines, and discloses an electric discharge machine cooling device which comprises a supporting seat, a part installation table connected to the supporting seat and a cutting machine body, a protective cover is fixedly connected to the part installation table, and a plurality of air coolers are fixedly connected to the side wall of the protective cover. A cold water pipe located at an air outlet of the air cooler is fixedly connected to the protective cover, and a plurality of water mist nozzles are fixedly connected to the side wall of the cold water pipe. The cutting device has the following advantages and effects that the cold water pipe with the spraying head is arranged at the air outlet of the air cooler, and the air cooler blows water mist to the cutting position while performing air cooling on the cutting position, so that the temperature of the cutting position is further reduced, and the cooling effect is improved; the worm and gear mechanism is arranged on the side edge of the air cooler, and the adjusting worm is rotated to drive the adjusting worm gear to rotate, so that the blowing angle of the air cooler is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark wire cutting machine tools, in particular to an electric spark machine cooling device. Background Art

[0002] An EDM machine, also known as an EDM wire cutting machine, is a cutting machine that cuts by removing materials through discharge between two electrodes. A CNC EDM wire cutting machine uses the principle of electric sparks to treat the workpiece and the processing tool as two electrodes with different polarities. A metal wire (copper wire or molybdenum wire) as the tool electrode passes through the workpiece. The computer controls the movement of the workpiece according to a predetermined trajectory, and a new type of machine tool is used to cut by removing materials through discharge between the two electrodes.

[0003] The patent with publication number CN217942104U discloses an electric spark wire cutting cooling device, including a base, a self-locking motor and a mounting frame; an electric control box is arranged on the top of the base, a processing table is arranged on the top of the electric control box, a curved frame is arranged on the top of the processing table, a lifting cylinder is arranged at the bottom of the curved frame, and an electric spark wire cutting assembly is arranged at the bottom of the lifting cylinder; the self-locking motor is arranged on one side of the top of the workbench, a turntable is arranged at the top output end of the self-locking motor, locking cylinders are arranged at the four corners of the top of the turntable, and a locking plate is arranged at one end of the locking cylinder; the mounting frame is arranged on one side of the top of the workbench.

[0004] The above device achieves clamping of the workpiece by means of a self-locking motor and a turntable, facilitates adjustment of the angle of the workpiece, and achieves cooling by air cooling. However, the wind blown out by the above device during the cooling process can easily disperse high-position sparks and easily scald the staff. Utility Model Content

[0005] The utility model aims to provide a cooling device for an electric spark machine, which has the effect of improving the safety of the electric spark machine.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a cooling device for an electric spark machine, comprising a support seat, a part mounting platform connected to the support seat and a cutting machine body, the cutting machine body extending above the part mounting platform, a protective cover fixedly connected to the part mounting platform, the cutting machine body being arranged in the protective cover, a plurality of cooling fans being fixedly connected to the side wall of the protective cover, the air outlet of the cooling fan facing the part mounting platform, a cold water pipe located at the air outlet of the cooling fan being fixedly connected to the protective cover, and a plurality of water mist nozzles being fixedly connected to the side wall of the cold water pipe.

[0007] By adopting the above technical solution, a cold water pipe with a spray head is arranged at the air outlet of the cold air fan. When cooling the cutting machine, the cold air fan is turned on and coolant is introduced into the cold water pipe. The coolant forms water mist at the spray head. The cold air fan blows the water mist toward the cutting part while cooling the cutting part, thereby further reducing the temperature of the cutting part and improving the cooling effect.

[0008] The utility model is further configured as follows: a connection port for embedding the air cooler is provided on the protective cover, and adjustment shafts are fixedly connected on both sides of the air cooler, the adjustment shafts are rotatably connected to the protective cover, an adjustment worm gear located in the connection port is fixedly connected to the adjustment shaft, and an adjustment worm screw meshing with the adjustment worm gear is rotatably connected to the connection port.

[0009] By adopting the above technical solution, the adjusting worm is rotated to drive the adjusting worm wheel to rotate so as to adjust the blowing angle of the air cooler.

[0010] The utility model is further configured as follows: an adjusting knob is fixedly connected to the end of the adjusting worm.

[0011] By adopting the above technical solution, the adjusting knob is rotated to drive the adjusting worm to rotate.

[0012] The utility model is further configured as follows: a liquid collecting tank is fixedly connected to the bottom of the parts mounting platform, and the parts mounting platform and the protective cover are arranged in the liquid collecting tank.

[0013] By adopting the above technical solution, the liquid collecting tank collects the coolant condensed and dropped from the inner wall of the protective cover.

[0014] The utility model is further configured as follows: a fixed sleeve and a movable sleeve are respectively connected to both sides of the connection port, the fixed sleeve is fixedly connected to the protective cover, the movable sleeve is slidably connected to the protective cover, and the two adjustment shafts located on both sides of the air cooler extend into the fixed sleeve and the movable sleeve respectively.

[0015] By adopting the above technical solution, when connecting the air cooler, first extend the adjusting shaft on one side of the air cooler into the fixed sleeve, and align the adjusting shaft on the other side with the movable sleeve, slide the movable sleeve so that the movable sleeve is sleeved on the adjusting shaft, thereby realizing quick connection of the air cooler and facilitating disassembly and assembly of the air cooler.

[0016] The utility model is further configured as follows: a connecting portion is fixedly connected to the movable sleeve, an adjusting slide hole is provided on the connecting portion, a clamping screw is inserted into the adjusting slide hole, an end of the clamping screw passes through the adjusting slide hole and is threadedly connected to the protective cover, and the adjusting slide hole and the clamping screw slide relative to each other so that the movable sleeve slides closer to or away from the air cooler.

[0017] By adopting the above technical solution, the clamping screw passes through the adjusting sliding hole and is threadedly connected to the protective cover. The clamping screw is loosened to slide the movable sleeve along the adjusting sliding hole to achieve sliding of the movable sleeve, and the clamping screw is tightened to fix the movable sleeve.

[0018] The utility model is further configured as follows: a positioning groove for inserting the bottom of the protective cover is provided in the liquid collecting tank.

[0019] By adopting the above technical solution, the bottom of the protective cover is inserted into the positioning groove to achieve connection and position limiting of the protective cover.

[0020] The utility model is further configured as follows: a side wall of the liquid collecting tank is connected to a liquid discharge pipe, and a liquid discharge valve is connected to the liquid discharge pipe.

[0021] By adopting the above technical solution, the drain valve is opened to discharge the coolant in the liquid collecting tank.

[0022] The utility model is further configured as follows: a collecting tank located below the liquid discharge pipe is provided on the support seat.

[0023] By adopting the above technical solution, the coolant is discharged from the drain pipe and falls into the collection tank for collection.

[0024] The utility model is further configured as follows: a support net is fixedly connected to the collection tank, and a filter sponge is arranged in the collection tank between the support net and the drainage pipe.

[0025] By adopting the above technical solution, the coolant flowing out of the drain pipe passes through the filter sponge and enters the collection tank for collection, and the filter sponge filters the flowing coolant.

[0026] The beneficial effects of the utility model are:

[0027] 1. A cold water pipe with a spray head is installed at the air outlet of the air cooler. The air cooler blows water mist to the cutting area while cooling the cutting area, further reducing the temperature of the cutting area and improving the cooling effect;

[0028] 2. A worm gear mechanism is arranged on the side of the air cooler, and the blowing angle of the air cooler is adjusted by rotating the adjusting worm to drive the adjusting worm wheel to rotate;

[0029] 3. The coolant flowing out of the drain pipe passes through the filter sponge and enters the collection tank for collection. The filter sponge filters the flowing coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 It is a schematic diagram of the structure of this embodiment.

[0032] Figure 2 Schematic diagram of the connection relationship of the air cooler in this embodiment.

[0033] Figure 3 It is a schematic diagram of the structure of the collecting tank in this embodiment.

[0034] Figure 4 Schematic diagram of the connection relationship of the cold water pipes in this embodiment.

[0035] In the figure, 1. support seat; 2. parts mounting table; 21. liquid collecting tank; 22. positioning groove; 23. drain pipe; 24. drain valve; 25. drain hole; 3. cutting machine body; 4. protective cover; 41. connection port; 42. adjusting worm; 43. adjusting knob; 44. fixed sleeve; 45. movable sleeve; 451. connection part; 452. adjusting slide hole; 46. clamping screw; 5. air cooler; 51. adjusting shaft; 52. adjusting worm gear; 6. cold water pipe; 61. water mist nozzle; 62. cooling tank; 63. suction pump; 7. collecting tank; 71. support net; 8. filter sponge. DETAILED DESCRIPTION

[0036] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] Embodiment, a cooling device for an electric spark machine, such as Figure 1 , Figure 2 , Figure 3As shown, it includes a support base 1, a part mounting platform 2 connected to the support base 1 and a cutting machine body 3, the cutting machine body 3 extends above the part mounting platform 2, the part mounting platform 2 is fixedly connected to a protective cover 4, the cutting machine body 3 is arranged in the protective cover 4, a plurality of air coolers 5 are fixedly connected to the side wall of the protective cover 4, the air outlet of the air cooler 5 faces the part mounting platform 2, a cold water pipe 6 located at the air outlet of the air cooler 5 is fixedly connected to the protective cover 4, a plurality of water mist nozzles 61 are fixedly connected to the side wall of the cold water pipe 6, a cooling groove 62 is arranged on the side wall of the support base 1, the end of the cold water pipe 6 extends into the cooling groove 62, one end of the cold water pipe 6 extending into the cooling groove 62 is connected to a suction pump 63, a coolant is arranged in the cooling groove 62, and the suction pump 63 is turned on to pass the coolant into the cold water pipe 6.

[0038] like Figure 1 , Figure 2 As shown, the protective cover 4 is provided with a connection port 41 for the cooling fan 5 to be embedded, and adjustment shafts 51 are fixedly connected on both sides of the cooling fan 5. The adjustment shafts 51 are rotatably connected to the protective cover 4. An adjustment worm wheel 52 located in the connection port 41 is fixedly connected to the adjustment shaft 51, and an adjustment worm 42 meshing with the adjustment worm wheel 52 is rotatably connected to the connection port 41. An adjustment knob 43 is fixedly connected to the end of the adjustment worm 42.

[0039] like Figure 2 As shown, a fixed sleeve 44 and a movable sleeve 45 are respectively connected to both sides of the connection port 41, the fixed sleeve 44 is fixedly connected to the protective cover 4, the movable sleeve 45 is slidably connected to the protective cover 4, and two adjusting shafts 51 located on both sides of the air cooler 5 extend into the fixed sleeve 44 and the movable sleeve 45 respectively, a connecting portion 451 is fixedly connected to the movable sleeve 45, an adjusting slide hole 452 is provided on the connecting portion 451, a clamping screw 46 is inserted into the adjusting slide hole 452, an end of the clamping screw 46 passes through the adjusting slide hole 452 and is threadedly connected to the protective cover 4, the adjusting slide hole 452 and the clamping screw 46 slide relative to each other so that the movable sleeve 45 slides closer to or away from the air cooler 5. When connecting the air cooler 5, first extend the adjusting shaft 51 on one side of the air cooler 5 into the fixed sleeve 44, and align the adjusting shaft 51 on the other side with the movable sleeve 45, slide the movable sleeve 45 so that the movable sleeve 45 is sleeved on the adjusting shaft 51, thereby realizing the quick connection of the air cooler 5 and facilitating the disassembly and assembly of the air cooler 5.

[0040] like Figure 3As shown, a collecting tank 21 is fixedly connected to the bottom of the part mounting platform 2, and the part mounting platform 2 and the protective cover 4 are arranged in the collecting tank 21. A positioning groove 22 is arranged in the collecting tank 21 for inserting the bottom of the protective cover 4. A drain pipe 23 is connected to the side wall of the collecting tank 21, and a drain valve 24 is connected to the drain pipe 23. A drain hole 25 communicating with the drain pipe 23 is arranged at the bottom of the protective cover 4. A collecting tank 7 located below the drain pipe 23 is arranged on the support seat 1. A supporting net 71 is fixedly connected to the collecting tank 7, and a filter sponge 8 is arranged in the collecting tank 7 between the supporting net 71 and the drain pipe 23. The drain valve 24 is opened to discharge the coolant in the collecting tank 21, and the coolant flowing out of the drain pipe 23 passes through the filter sponge 8 and enters the collecting tank 7 for collection, and the filter sponge 8 filters the flowing coolant.

[0041] When using the EDM machine cooling device, a cold water pipe 6 with a spray head is arranged at the air outlet of the cold air fan 5. When cooling the cutting machine, the cold air fan 5 is turned on and coolant is introduced into the cold water pipe 6. The coolant forms water mist at the spray head. The cold air fan 5 blows the water mist toward the cutting part while cooling the cutting part, thereby further reducing the temperature of the cutting part and improving the cooling effect.

Claims

1. A cooling device for an electric spark machine, comprising a support base (1), a parts mounting platform (2) connected to the support base (1), and a cutting machine body (3), wherein the cutting machine body (3) extends above the parts mounting platform (2), and is characterized in that: The part mounting platform (2) is fixedly connected to a protective cover (4), the cutting machine body (3) is arranged in the protective cover (4), a plurality of cooling fans (5) are fixedly connected to the side wall of the protective cover (4), the air outlet of the cooling fan (5) faces the part mounting platform (2), a cold water pipe (6) located at the air outlet of the cooling fan (5) is fixedly connected to the protective cover (4), and a plurality of water mist nozzles (61) are fixedly connected to the side wall of the cold water pipe (6); The protective cover (4) is provided with a connection port (41) for the air cooler (5) to be embedded therein, and adjustment shafts (51) are fixedly connected to both sides of the air cooler (5), and the adjustment shafts (51) are rotatably connected to the protective cover (4), and an adjustment worm wheel (52) located in the connection port (41) is fixedly connected to the adjustment shaft (51), and an adjustment worm (42) meshing with the adjustment worm wheel (52) is rotatably connected to the connection port (41).

2. The cooling device for an electric spark machine according to claim 1, characterized in that: An adjusting knob (43) is fixedly connected to the end of the adjusting worm (42).

3. The cooling device for an electric spark machine according to claim 2, characterized in that: A liquid collecting tank (21) is fixedly connected to the bottom of the parts mounting platform (2), and the parts mounting platform (2) and the protective cover (4) are arranged in the liquid collecting tank (21).

4. The cooling device for an electric spark machine according to claim 1, characterized in that: A fixed sleeve (44) and a movable sleeve (45) are respectively connected to both sides of the connection port (41); the fixed sleeve (44) is fixedly connected to the protective cover (4); the movable sleeve (45) is slidably connected to the protective cover (4); and the two adjustment shafts (51) located on both sides of the air cooler (5) extend into the fixed sleeve (44) and the movable sleeve (45) respectively.

5. The cooling device for an electric spark machine according to claim 4, characterized in that: The movable sleeve (45) is fixedly connected to a connecting portion (451), the connecting portion (451) is provided with an adjusting sliding hole (452), a clamping screw (46) is inserted into the adjusting sliding hole (452), an end of the clamping screw (46) passes through the adjusting sliding hole (452) and is threadedly connected to the protective cover (4), and the adjusting sliding hole (452) and the clamping screw (46) slide relative to each other so that the movable sleeve (45) slides closer to or away from the air cooler (5).

6. The cooling device for an electric spark machine according to claim 3, characterized in that: A positioning groove (22) for inserting the bottom of the protective cover (4) is provided in the liquid collecting groove (21).

7. The cooling device for an electric spark machine according to claim 6, characterized in that: A liquid discharge pipe (23) is connected to the side wall of the liquid collecting tank (21), and a liquid discharge valve (24) is connected to the liquid discharge pipe (23).

8. The cooling device for an electric spark machine according to claim 7, characterized in that: The support seat (1) is provided with a collecting tank (7) located below the liquid discharge pipe (23).

9. The cooling device for an electric spark machine according to claim 8, characterized in that: A support net (71) is fixedly connected to the collection tank (7), and a filter sponge (8) is provided in the collection tank (7) and is located between the support net (71) and the drainage pipe (23).

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