CN214518031U - Electric spark cutting equipment - Google Patents

Abstract

The application relates to an electric spark cutting device, which relates to the field of machine tool machining and comprises a machine tool body, wherein the machine tool body comprises a base, and an upper supporting plate is arranged on the base; the top of the upper supporting plate is provided with a collecting tank which is communicated with a drainage tube; the drainage tube is communicated with a filter box, and a drainage port is formed in the filter box; a filter cavity and a collection cavity are arranged in the filter box, a partition plate is arranged between the filter cavity and the collection cavity, a through hole for communicating the filter cavity and the collection cavity is formed in one side, away from the drainage port, of the partition plate, the partition plate is connected with a hopper for covering the through hole, a water permeable hole is formed in the hopper, and a filter layer is arranged on the hopper; a drainage structure is arranged in the filter cavity; the filter cavity is internally and slidably connected with a magnet which is used for attracting iron chips, the top of the magnet is slidably connected with the bottom of the hopper, and the magnet transversely moves between the drainage port and the hopper; a driving piece for driving the magnet to move is arranged in the filter cavity. This application has the effect of the iron fillings in the clearance working solution of being convenient for.

Description

Electric spark cutting equipment

Technical Field

The application relates to the field of machine tool machining, in particular to an electric spark cutting device.

Background

A wire electric discharge machine is an apparatus for cutting a workpiece using an instantaneous high temperature of an electric spark.

Chinese patent document No. CN205043283U, granted in the related art, discloses an electric spark cutting equipment bed, which includes a machine tool body, wherein the machine tool body includes a base and an upright post fixed on the top side of the base. A transversely moving lower supporting plate is arranged on the base, and a longitudinally moving upper supporting plate is arranged at the top of the lower supporting plate; the top of the upper supporting plate is provided with a fixing table, and a fixing clamp for clamping a workpiece is fixed on the fixing table. The middle part of the upright post is transversely provided with a workbench, the machine tool body further comprises a machine tool body fixed at the top of the upright post, and a molybdenum wire used for cutting a machined part is arranged between the machine tool body and the workbench. And a pulse power supply is fixed on one side of the lathe bed, which is far away from the upright post, the negative pole of the pulse power supply is connected with the molybdenum wire, and the positive pole of the pulse power supply is connected with the workpiece. In addition, enough working fluid with certain insulation is arranged between the molybdenum wire and the workpiece. When the molybdenum wire cutting machine works, working fluid is conveyed to the cutting position of the molybdenum wire continuously, the working fluid is subjected to ionization breakdown under the action of pulse voltage, and an instantaneous discharge channel is formed between the molybdenum wire and a workpiece, so that instantaneous high temperature is generated, and the workpiece is cut.

According to the related technology, when the machined part is an iron workpiece, iron chips can be generated in the process of cutting the iron workpiece by the molybdenum wire, and the iron chips can fall into working liquid, so that the iron chips in the working liquid are not convenient to clean.

SUMMERY OF THE UTILITY MODEL

In order to facilitate cleaning of scrap iron in working fluid, the application provides electric spark cutting equipment.

The electric spark cutting equipment provided by the application adopts the following technical scheme:

the electric spark cutting equipment comprises a machine tool body, wherein the machine tool body comprises a base, and an upper supporting plate is arranged on the base; the top of the upper supporting plate is provided with a collecting tank which is communicated with a drainage tube; one end of the drainage tube, which is far away from the water diversion groove, is communicated with a filter box, and a drainage port communicated with the drainage tube is formed in the filter box; a filter cavity and a collection cavity communicated with the drainage tube are sequentially arranged in the filter box from bottom to top, a partition plate is arranged between the filter cavity and the collection cavity, a through hole for communicating the filter cavity and the collection cavity is formed in one side, away from the drainage port, of the partition plate, a hopper for covering the through hole is detachably connected to the partition plate, a water permeable hole is formed in the hopper, and a filter layer is arranged on the hopper; a drainage structure is arranged in the filter cavity; the filter cavity is internally and slidably connected with a magnet which is used for attracting iron chips on the partition plate, the top of the magnet is slidably connected with the bottom of the hopper, and the magnet transversely moves between the drainage port and the hopper; and a driving piece for driving the magnet to move is arranged in the filter cavity.

By adopting the technical scheme, when the device works, the working solution flows into the collecting tank and then is discharged into the collecting cavity from the drainage tube, and at the moment, part of scrap iron in the working solution is deposited on the partition plate; when the working fluid flows into the filter layer from the water permeable hole, part of iron filings in the working fluid can be intercepted on the hopper. When the scrap iron on the partition plate and the hopper needs to be cleaned, the machine table stops working; utilize drainage structures to discharge the back with the working solution in the rose box, utilize the driving piece to remove magnet to the hopper place side from drainage mouth place side after that, attract the iron fillings on the baffle to the hopper in, dismantle the hopper from the baffle again, alright empty out the rose box with iron fillings, have the effect of being convenient for clear up the iron fillings in the working solution.

Optionally, the driving member is a screw rod rotatably connected to the inner wall of the filtering chamber, and one end of the screw rod extends to the outer wall of the filtering box; the bottom of the magnet is provided with a magnet seat, and the bottom of the magnet seat is in threaded connection with the screw rod; and a limiting assembly used for limiting the rotation of the magnet seat is arranged between the magnet seat and the filter cavity.

Through adopting above-mentioned technical scheme, thereby iron fillings on magnet and the baffle attract mutually, thereby take place lateral shifting through rotating the screw rod and drive magnet, collect in the iron fillings on the baffle are drawn to the hopper simultaneously.

Optionally, the limiting assembly comprises a limiting lug arranged at the bottom of the magnet seat and a limiting groove arranged at the bottom of the filter cavity, and the limiting lug corresponds to the limiting groove.

Through adopting above-mentioned technical scheme, utilize spacing lug to slide in the spacing inslot, slide to the magnet seat leads, be favorable to blockking that the magnet seat takes place to rotate.

Optionally, bearings are respectively arranged on opposite side walls of the filter cavity, and inner rings of the two bearings are respectively fixed at different ends of the screw rod.

Through adopting above-mentioned technical scheme, be provided with the bearing respectively at the both ends of screw rod, be favorable to rotating the screw rod.

Optionally, a fixed convex edge is arranged on the side wall of the hopper, a connecting groove is formed in the side wall of the through hole, and the fixed convex edge abuts against the connecting groove.

Through adopting above-mentioned technical scheme, will fix protruding edge butt in the spread groove, support the hopper to install the hopper in the through-hole.

Optionally, the drainage structure is including setting up the suction pump in filtering the intracavity and being used for the drain pipe that is linked together with the suction pump.

Through adopting above-mentioned technical scheme, utilize the suction pump to pass through the drain pipe discharge with the working solution in the filter chamber.

Optionally, a flow guide inclined plane for guiding the working fluid to the drainage tube is arranged in the collecting tank.

Through adopting above-mentioned technical scheme, the water conservancy diversion inclined plane is used for drainage to the drainage tube with the working solution in the collecting vat, is favorable to discharging the working solution in the collecting vat.

Optionally, the top that the rose box is located the hopper top can be dismantled and be connected with the apron.

Through adopting above-mentioned technical scheme, dismantle the back to the apron, can take out convenient operation with the hopper from the rose box.

In summary, the present application includes at least one of the following benefits:

1. the iron filings on the magnet and the partition plate are attracted, then the screw rod is rotated to enable the magnet to move towards the direction of the hopper to pull the iron filings into the hopper, the cover plate is opened, the hopper is taken out from the filter box after being disassembled, and the effect of conveniently cleaning the iron filings in the working liquid is achieved;

2. the hopper is installed by utilizing the fixed convex edges to abut against the connecting grooves, and the installation process is simple.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a filtration tank according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic cross-sectional view of the magnet of an embodiment of the present application moving to the bottom of the hopper;

fig. 5 is an enlarged schematic view at B in fig. 4.

Reference numerals: 1. a machine tool body; 2. a base; 3. a lower supporting plate; 4. an upper supporting plate; 5. collecting tank; 6. a drainage tube; 7. a diversion bevel; 8. a filter box; 9. a drainage opening; 911. a threaded sleeve; 10. a filter chamber; 11. a collection chamber; 12. a partition plate; 13. a through hole; 14. a hopper; 15. fixing the convex edge; 16. connecting grooves; 17. a support plate; 18. water permeable holes; 19. a filter layer; 20. a handle; 21. a cover plate; 211. a handle; 22. a screw; 23. a bearing; 24. a magnet base; 25. a limiting bump; 26. a limiting groove; 27. a magnet; 28. folding edges of the ladder; 29. a motor; 30. a mounting seat; 31. a water pump; 32. and a water discharge pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The electric spark cutting equipment disclosed in the embodiment of the application, referring to fig. 1, the electric spark cutting equipment comprises a machine tool body 1, the machine tool body 1 comprises a base 2, a lower supporting plate 3 which moves transversely is mounted on the base 2, and an upper supporting plate 4 which moves longitudinally is mounted at the top of the lower supporting plate 3. A collecting tank 5 is arranged at the top of the upper supporting plate 4, and a drainage tube 6 is communicated with the side wall of the collecting tank 5 and used for discharging working liquid in the collecting tank 5. In addition, a flow guide inclined plane 7 is fixed in the collecting tank 5 and is used for guiding the working liquid in the collecting tank 5 to the drainage tube 6. One end of the drainage tube 6, which is far away from the collecting tank 5, is communicated with a filter tank 8 for filtering the working liquid.

Referring to fig. 2, a drainage port 9 is formed in the side wall, close to the top, of the filter box 8, a threaded sleeve 911 is fixed in the drainage port 9, and the drainage tube 6 is screwed in the drainage port 9 through the threaded sleeve 911.

Referring to fig. 2 and 3, a filter chamber 10 and a collection chamber 11 located above the filter chamber 10 are arranged in the filter tank 8, a partition plate 12 is arranged between the collection chamber 11 and the filter tank 8, and the peripheral side of the partition plate 12 is fixedly connected with the inner wall of the filter tank 8; the partition board 12 is made of a waterproof wooden board or a waterproof foam board. One side of the partition plate 12, which is far away from the drainage port 9, is provided with a through hole 13, and the through hole 13 is used for communicating the collection cavity 11 with the filter cavity 10.

Referring to fig. 3 and 4, a hopper 14 for covering the through hole 13 is mounted on the partition plate 12, a fixing convex edge 15 is fixedly connected to a side wall of the hopper 14 close to the partition plate 12, and a connecting groove 16 for abutting against the fixing convex edge 15 is formed on an inner wall of the through hole 13. After the fixed flange 15 abuts against the connecting groove 16, the side of the hopper 14 away from the fixed flange 15 abuts against the inner wall of the filter box 8, so that the hopper 14 is installed. In addition, a supporting plate 17 is fixedly connected to the inner wall of the filtering box 8 close to the bottom of the hopper 14, and the bottom of the hopper 14 far away from the partition plate 12 abuts against the top of the supporting plate 17, so that the reliability of connection between the hopper 14 and the through hole 13 is improved.

Referring to fig. 3 and 4, a plurality of water permeable holes 18 are opened at the bottom of the hopper 14, and the water permeable holes 18 are used for discharging the working fluid from the collection chamber 11 into the filter chamber 10. And a filter layer 19 covering the water permeable holes 18 is laid on the hopper 14, and the edge of the filter layer 19 is adhered to the edge of the top of the hopper 14. When the working fluid flows through the filtering layer 19, the scrap iron in the working fluid is favorably intercepted on the filtering layer. Two handles 20 are fixed on the top of the hopper 14 to facilitate taking out the hopper 14 from the through hole 13, a cover plate 21 is hinged on the top of the filter box 8, and a handle 211 for turning over the cover plate 21 is fixed on one side of the top of the cover plate 21 far away from the hinge.

Referring to fig. 3 and 4, screws 22 are rotatably connected to opposite sides of the filter chamber 10, and the screws 22 are parallel to the partition 12; and the two ends of the filter cavity 10, which are positioned on the screw 22, are respectively fixed with a bearing 23, the outer ring of the bearing 23 is fixed on the inner wall of the filter cavity 10, and the inner ring of the bearing 23 is fixedly connected with the screw 22. In addition, a seal ring is arranged at one end of the screw 22 away from the hopper 14, and the seal ring is adhered to the joint of the screw and the bearing 23.

Referring to fig. 4 and 5, the screw 22 is screwed with the magnet seat 24, and the bottom of the seat is provided with an internal threaded hole corresponding to the screw 22. The bottom of the magnet seat 24 is fixedly connected with a limiting lug 25, the bottom of the filter cavity 10 is provided with a limiting groove 26 for the limiting lug 25 to slide, and the limiting lug 25 is connected in the limiting groove 26 in a sliding manner, so that the magnet seat 24 is limited to rotate.

Referring to fig. 4 and 5, a magnet 27 is slidably connected in the filter chamber 10, and the magnet 27 is used for attracting iron filings on the partition plate 12; and the magnet 27 is fixed to the magnet holder 24. The top of the magnet 27 abuts the bottom of the partition 12 as the magnet 27 moves between the motor 29 and the hopper 14. Magnet 27 is rectangular in configuration and the broadside of magnet 27 abuts the inner wall of filter chamber 10 and rotation of screw 22 causes magnet 27 to move laterally between drain 9 and hopper 14. In addition, a step folding edge 28 is arranged at the bottom of the hopper 14 close to the side of the partition plate 12, when the magnet 27 moves to abut against the step folding edge 28, the top of the magnet 27 just abuts against the bottom of the hopper 14, and at the moment, the iron filings on the partition plate 12 are drawn into the hopper 14 by the magnet 27. In order to rotate the screw 22, a motor 29 is fixed at one end of the screw 22 far away from the hopper 14, and a mounting seat 30 for mounting the motor 29 is fixedly connected to the outer wall of the filter box 8.

Referring to fig. 4 and 5, a drainage structure is provided in the filter chamber 10 for allowing the working fluid in the collection chamber 11 to flow into the filter chamber 10 through the filter layer 19. The drainage structure comprises a water suction pump 31 fixed on the bottom wall of the filter cavity 10 and a drainage pipe 32 communicated with the water suction pump 31, and one end of the drainage pipe 32 far away from the water suction pump 31 extends to the outer wall of the filter box 8; the water inlet of the water pump 31 is communicated with the filter cavity 10. A suction pump 31 is located directly below the hopper 14.

The implementation principle of the electric spark cutting equipment of the embodiment is as follows: when the machine station works, working liquid in the collecting tank 5 is discharged into the collecting cavity 11 through the drainage tube 6, and part of scrap iron in the working liquid is deposited on the partition plate 12 at the moment. Then the working fluid in the collection cavity 11 flows into the filter cavity 10 through the filter layer 19, the water suction pump 31 is started, and the working fluid in the filter cavity 10 is discharged; so that the working fluid in the collecting cavity 11 continuously flows into the filter cavity 10 and the iron filings in the working fluid are intercepted on the filter layer 19. When the scrap iron on the partition plate 12 and the filter layer 19 needs to be cleaned, the machine is stopped to work, and the working fluid in the filter cavity 10 is discharged by using the water suction pump 31; then motor 29 is started, magnet 27 is moved to the top of magnet 27 from the side of drainage port 9 and is abutted to the top of hopper 14, at the moment, the iron filings on partition plate 12 are pulled into hopper 14, cover plate 21 is opened, hopper 14 is pulled out upwards from through hole 13 by handle 20, then the iron filings in hopper 14 are cleaned, and the effect of cleaning the iron filings in the working solution is facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The electric spark cutting equipment comprises a machine tool body (1), wherein the machine tool body (1) comprises a base (2), and an upper supporting plate (4) is arranged on the base (2); the method is characterized in that: a collecting tank (5) is arranged at the top of the upper supporting plate (4), and the collecting tank (5) is communicated with a drainage pipe (6); one end of the drainage tube (6) far away from the water diversion groove is communicated with a filter box (8), and a drainage port (9) communicated with the drainage tube (6) is formed in the filter box (8); a filter cavity (10) and a collection cavity (11) communicated with the drainage tube (6) are sequentially arranged in the filter box (8) from bottom to top, a partition plate (12) is arranged between the filter cavity (10) and the collection cavity (11), a through hole (13) used for communicating the filter cavity (10) with the collection cavity (11) is formed in one side, away from the drainage port (9), of the partition plate (12), a hopper (14) used for covering the through hole (13) is detachably connected to the partition plate (12), a water permeable hole (18) is formed in the hopper (14), and a filter layer (19) is arranged on the hopper (14); a drainage structure is arranged in the filter cavity (10); the filter cavity (10) is internally and slidably connected with a magnet (27) which is used for attracting iron chips on the partition plate (12), the top of the magnet (27) is slidably connected with the bottom of the hopper (14), and the magnet (27) transversely moves between the drainage port (9) and the hopper (14); a driving piece for driving the magnet (27) to move is arranged in the filter cavity (10).

2. An electric spark cutting device as claimed in claim 1, characterized in that: the driving piece is a screw rod (22) which is rotatably connected to the inner wall of the filtering cavity (10), and one end of the screw rod (22) extends to the outer wall of the filtering box (8); a magnet seat (24) is arranged at the bottom of the magnet (27), and the bottom of the magnet seat (24) is in threaded connection with the screw rod (22); a limiting component used for limiting the rotation of the magnet seat (24) is arranged between the magnet seat (24) and the filter cavity (10).

3. An electric spark cutting device as claimed in claim 2, characterized in that: the limiting assembly comprises a limiting lug (25) arranged at the bottom of the magnet seat (24) and a limiting groove (26) arranged at the bottom of the filter cavity (10), and the limiting lug (25) corresponds to the limiting groove (26).

4. An electric spark cutting device as claimed in claim 3, characterized in that: and bearings (23) are respectively arranged on opposite side walls of the filter cavity (10), and inner rings of the two bearings (23) are respectively fixed at different ends of the screw rod (22).

5. An electric spark cutting device as claimed in claim 4, characterized in that: the side wall of the hopper (14) is provided with a fixed convex edge (15), the side wall of the through hole (13) is provided with a connecting groove (16), and the fixed convex edge (15) is abutted to the connecting groove (16).

6. An electric spark cutting device as claimed in claim 5, characterized in that: the drainage structure comprises a water suction pump (31) arranged in the filter cavity (10) and a drainage pipe (32) communicated with the water suction pump (31).

7. An electric spark cutting device as claimed in claim 6, characterized in that: a flow guide inclined plane (7) used for guiding the working fluid to the drainage tube (6) is arranged in the collecting groove (5).

8. An electric spark cutting device as claimed in claim 7, characterized in that: the top of the filter box (8) above the hopper (14) is detachably connected with a cover plate (21).

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