Splash-proof precision electric discharge machine

By designing a splash guard and an upper splash guard mechanism in tandem, the problem of coolant splashing in the EDM machine is solved, achieving all-round protection and keeping the environment clean.

CN224102010UActive Publication Date: 2026-04-10KUNSHAN ZHONGSHI MOULD TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN ZHONGSHI MOULD TECH CO LTD
Filing Date
2025-07-14
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing electrical discharge machining (EDM) machines are prone to coolant splashing during processing, polluting the surrounding environment, and the existing protective measures are inadequate.

Method used

A splash-proof precision electrical discharge machining (EDM) machine was designed, comprising a worktable, a splash shield, and an upper splash shield mechanism. The splash shield is raised, lowered, and rotated through the linkage of a slider, a threaded rod, a motor, and a synchronous belt, providing all-around protection.

Benefits of technology

It effectively prevents coolant splashing, keeps the processing area and surrounding environment clean, and improves the protective effect.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224102010U_ABST
    Figure CN224102010U_ABST
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Abstract

The utility model relates to the technical field of precision machining, in particular to a splash-proof precision electric discharge machine, which is characterized in that a support frame is fixedly arranged at the bottom of a worktable, four corners of the bottom of the support frame are fixedly provided with support legs, a placement frame is fixedly arranged in the worktable, a splash-proof cover is arranged on the outer side of the worktable, and an upper splash-proof mechanism is arranged on the splash-proof cover; the sliding blocks are fixedly arranged on the front side and the rear side of the left inner wall and the right inner wall of the splash-proof cover respectively and slidably arranged in sliding grooves formed in the supporting legs, threaded rods are rotatably inserted into the sliding grooves through bearings, the threaded rods are rotatably sleeved with the sliding blocks through threads, the motor is fixedly arranged in the supporting leg on one side, and an output shaft of the motor is connected with the threaded rods. The upper ends of the threaded rods are rotationally inserted into the corners of the supporting frame through bearings, the upper ends of the threaded rods are fixedly sleeved with synchronous wheels, and the four synchronous wheels are in transmission connection through a synchronous belt, so that all-directional protection on a machining area can be achieved in the machining process, the splashing phenomenon of cooling liquid is fully avoided, and the surrounding environment is cleaner.
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Description

TECHNICAL FIELD

[0001] The utility model relates to precision machining technical field, concretely relates to a splashproof precision spark machining machine. BACKGROUND

[0002] The discharge machining machine is a machine tool using the principle of electric spark discharge to carry out precision machining on conductive materials, and is widely used in die manufacturing, aerospace and other fields. In the machining process, dielectric liquid is usually used as a cooling medium and a discharge medium to cool the electrode, remove the electric erosion products and maintain a stable discharge state.

[0003] The patent with the patent authorization publication number CN220427065U discloses a mirror surface discharge machining machine with an adjusting function, which comprises a base and a guide mechanism fixedly connected to the top of the base and capable of being extended and retracted and maintaining stability. The base further comprises a protection box fixedly connected to the top of the guide mechanism and capable of preventing the splashing of cooling liquid, an adjusting mechanism installed in the inner cavity of the base, an electric telescopic rod fixedly connected to one side of the inner cavity of the base and capable of adjusting the height of the protection box in cooperation with the adjusting mechanism, a guide plate fixedly connected to the inner cavity of the protection box, support plates fixedly connected to the top of the base on both sides and having one end penetrating through the top of the protection box and the guide plate and being in sliding connection with the inner walls of the protection box and the guide plate, and a placing plate fixedly connected to the top of the support plate and capable of bearing and placing an object to be mirror machined. A connecting pipe is in communication with one side of the protection box, and an oil pump is arranged on one side of the base and in communication with one end of the connecting pipe and capable of pumping the cooling liquid in the inner cavity of the protection box. The oil outlet of the oil pump is in communication with a filtering mechanism capable of filtering and collecting the impurities in the cooling liquid. Although the protection box can be raised during the machining process to achieve splash protection of the cooling liquid around the placing plate, the space above the placing plate is still exposed, and the phenomenon of high splashing height of the cooling liquid polluting the surrounding environment still occurs. Therefore, the splash-proof effect of the cooling liquid needs to be improved, and thus there is an urgent need for a splash-proof precision discharge machining machine. SUMMARY

[0004] The utility model discloses a kind of design reasonable splash-proof precision discharge machining machines to solve the above problems according to the defects and deficiencies of prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme: it contains workbench and machining machine body, workbench upper rear side is fixedly provided with machining machine body;

[0006] It further contains:

[0007] Support frame, the support frame is fixedly set in workbench bottom, support leg is fixedly set in four corners of support frame bottom, placing rack is fixedly set in workbench, splash-proof cover is equipped on the outer side of workbench, and upper splash-proof mechanism is equipped on the splash-proof cover.

[0008] The sliding block is fixedly arranged on the front and back of the left and right inner walls of the splash-proof cover, and is slidably arranged in the sliding groove of the supporting leg.

[0009] The motor is fixedly arranged in the supporting leg on one side, the output shaft of the motor is connected with the threaded rod, the upper end of the threaded rod is rotatably inserted into the corner of the supporting frame through a bearing, and the upper end of the threaded rod is fixedly sleeved with a synchronous wheel, and the four synchronous wheels are connected through a synchronous belt.

[0010] Further, the upper splash-proof mechanism comprises:

[0011] The splash-proof plate is movably arranged on the left and right sides of the splash-proof cover, and the rotating rod is fixedly arranged in the splash-proof plate.

[0012] The first linkage rod is rotatably arranged in the four connecting frames through a bearing, the first linkage rod is connected with the rotating rod through a chain wheel and a chain, the second linkage rod is rotatably arranged in the left and right side walls of the splash-proof cover through a bearing, and the second linkage rod is connected with the first linkage rod through a chain wheel and a chain.

[0013] The gear is fixedly sleeved on the two second linkage rods, the fixed frame is fixedly arranged on the side wall of the supporting leg, the rack is fixedly arranged on the fixed frame, the gear is arranged in meshing connection with the rack, and the left and right inner side walls of the splash-proof cover are provided with strip-shaped grooves matched with the rack.

[0014] Further, the buffer strip is fixedly arranged in the front and back embedding grooves of the side wall of the splash-proof plate, and the buffer strip is movably arranged in contact with the upper part of the splash-proof cover.

[0015] Further, the bottom of the workbench is provided with an inner conical structure, and the drain pipe is fixedly arranged in the middle of the bottom of the workbench.

[0016] Further, the rubber strip is fixedly arranged on the edge of the upper part of the workbench, and the rubber strip is movably arranged in contact with the inner wall of the splash-proof cover.

[0017] Further, the observation port is arranged on the front side wall of the splash-proof cover, and the observation window is fixedly arranged in the observation port.

[0018] Compared with the prior art, the beneficial effects of the precision electrical discharge machining machine with splash-proof function are as follows: the precision electrical discharge machining machine with splash-proof function can realize all-round protection of the machining area during machining, fully avoids the splashing phenomenon of the cooling liquid, and makes the surrounding environment more tidy. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is an exploded view of the workbench, support frame, support legs, placement rack, splash guard, slider, and threaded rod in this utility model.

[0021] Figure 3 This is a cross-sectional view of the splash guard and connecting frame in this utility model.

[0022] Figure 4 yes Figure 3 Enlarged view of part A in the image.

[0023] Figure 5 yes Figure 3 Enlarged view of part B in the image.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Workbench, 2. Machine body, 3. Support frame, 4. Support leg, 5. Placement rack, 6. Splash guard, 7. Slider, 8. Slide groove, 9. Threaded rod, 10. Motor, 11. Synchronous pulley, 12. Synchronous belt, 13. Upper splash guard mechanism, 13-1. Splash guard plate, 13-2. Rotating rod, 13-3. Connecting frame, 13-4. First linkage rod, 13-5. Second linkage rod, 13-6. Gear, 13-7. Rack, 13-8. Fixing frame, 14. Strip groove, 15. Rubber strip, 16. Drain pipe, 17. Buffer strip, 18. Observation window. Detailed Implementation

[0026] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] like Figures 1-5 As shown, the specific embodiment adopts the following technical solution: it includes a worktable 1 and a processing machine body 2. The processing machine body 2 is fixedly installed on the upper rear side of the worktable 1. The bottom of the worktable 1 is set with an inner conical structure, which can provide guidance for the coolant in the worktable 1. The coolant in the worktable 1 can be discharged by using the drain pipe 16 fixedly installed in the middle of the bottom of the worktable 1, so as to avoid a large amount of coolant remaining in the worktable 1.

[0028] It also includes:

[0029] Support frame 3, the support frame 3 is fixedly arranged at the bottom of the workbench 1, the support frame 3 bottom four corners are fixedly provided with support legs 4, the workbench 1 is fixedly provided with a placing rack 5, the outer side of the workbench 1 is provided with a splash guard 6, the splash guard 6 is provided with an upper splash guard mechanism 13, the front side wall of the splash guard 6 is provided with an observation port, the observation port is fixedly provided with an observation window 18, during processing, the staff can observe the processing condition through the observation window 18, avoid the vision being completely blocked by the splash guard 6, and the staff is difficult to observe abnormal processing condition;

[0030] Slide 7, the slide 7 is four, is fixedly arranged in the front and rear sides of the left and right inner walls of the splash guard 6, and the slide 7 is slidably arranged in the sliding slot 8 provided in the support leg 4, the screw rod 9 is rotatably inserted in the sliding slot 8 through the bearing, and the slide 7 is rotatably sleeved on the screw rod 9 through the thread;

[0031] Motor 10, the motor 10 is fixedly arranged in the support leg 4 on one side, the output shaft of the motor 10 is connected with the screw rod 9, the upper end of the screw rod 9 is rotatably inserted in the corner of the support frame 3 through the bearing, and the upper end of the screw rod 9 is fixedly sleeved with a synchronous wheel 11, four synchronous wheels 11 are drivingly connected through a synchronous belt 12, a rubber strip 15 is fixedly arranged on the upper edge of the workbench 1, and the rubber strip 15 is movably abuttingly arranged with the inner wall of the splash guard 6, when the splash guard 6 is moved downward after processing is completed, the rubber strip 15 can scrape off the cooling liquid attached to the inner wall of the splash guard 6, so that the inner wall of the splash guard 6 is cleaned;

[0032] The upper splash guard mechanism 13 comprises:

[0033] Splash plate 13-1, the splash plate 13-1 is two, is movably abuttingly arranged on the left and right sides of the splash guard 6, the rotating rod 13-2 is fixedly inserted in the splash plate 13-1, the both ends of the rotating rod 13-2 are rotatably sleeved with a connecting frame 13-3 through the bearing, and the connecting frame 13-3 is fixedly arranged on the upper portion of the splash guard 6, the side wall of the splash plate 13-1 is provided with front and rear two side grooves, and the buffer strip 17 is fixedly arranged in the side grooves, the buffer strip 17 is movably abuttingly arranged with the upper portion of the splash guard 6, when the splash plate 13-1 is turned over to the upper portion of the splash guard 6, the buffer strip 17 is movably abuttingly arranged with the splash guard 6, so that the service life is not affected by the hard collision between the splash plate 13-1 and the splash guard 6;

[0034] First linkage rod 13-4, the first linkage rod 13-4 is four, is rotatably arranged in the four connecting frames 13-3 through the bearing, the first linkage rod 13-4 is drivingly connected with the rotating rod 13-2 through the sprocket and chain, the left and right side walls of the splash guard 6 are rotatably provided with the second linkage rod 13-5 through the bearing, and the second linkage rod 13-5 is drivingly connected with the first linkage rod 13-4 through the sprocket and chain;

[0035] Gear 13-6, four, respectively, fixed sleeve set in two two-way linkage rod 13-5, the side wall of the support leg 4 is fixedly provided with a fixed frame 13-8, the fixed frame 13-8 is fixedly provided with a rack 13-7, the gear 13-6 is arranged in meshing with the rack 13-7, the left and right two inner walls of the splash guard 6 are provided with a strip-shaped groove 14 matched with the rack 13-7, while the splash guard 6 moves upward to realize the protection of the workbench 1, the splash guard 6 can be used to realize the splash protection of the workbench 1, and the phenomenon of the cooling liquid splashing is avoided.

[0036] In use of the utility model, the workpiece is placed on the placing rack 5, then the motor 10 is started, the motor 10 drives the threaded rod 9 connected with the output shaft to rotate, and the synchronous rotation of the four threaded rods 9 can be realized by the cooperation of the synchronous wheel 11 and the synchronous belt 12, so that the sliding block 7 can drive the splash guard 6 to move upwards, the splash guard 6 can provide protection around the workbench 1, after the splash guard 6 drives the gear 13-6 to move upwards and meshes with the rack 13-7, the gear 13-6 drives the second linkage rod 13-5 to rotate by the continuous upward movement of the splash guard 6, and the synchronous rotation of the second linkage rod 13-5, the first linkage rod 13-4 and the rotating rod 13-2 is realized by the transmission of the chain wheel and the chain, the rotating rod 13-2 drives the splash board 13-1 to flip to the upper part of the splash guard 6, realizing the all-round protection of the machining area, and the phenomenon of the cooling liquid splashing is avoided.

[0037] Compared with the prior art, the utility model has the advantages that:

[0038] Through the lifting design of the splash guard 6 and the linkage flip of the upper splash guard mechanism 13, the all-closed protection of the workbench 1 around and above can be realized, the cooling liquid splashing and liquid mist diffusion are effectively blocked, and the surrounding environment is kept clean;

[0039] Through the cooperation of the motor 10, the synchronous wheel 11 and the synchronous belt 12, the synchronous rotation of the four threaded rods 9 can be realized, so as to ensure the stable lifting of the splash guard 6, and the splash guard 6 has stronger stability and reliability;

[0040] The inner conical structure is designed at the bottom of the workbench 1, combined with the drain pipe 16, the cooling liquid can be quickly guided and discharged, and the liquid accumulation is avoided.

[0041] The rubber strip 15 automatically scrapes the liquid droplets attached to the inner wall when the splash guard 6 descends, so that the cooling liquid is not left on the inner wall of the splash guard 6, and the resource utilization rate is improved.

[0042] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A splash-proof precision electrical discharge machining machine, comprising a worktable (1) and a machining body (2), wherein the machining body (2) is fixedly installed on the upper rear side of the worktable (1). Its features are, It also includes: Support frame (3), the support frame (3) is fixedly installed at the bottom of the workbench (1), and support legs (4) are fixedly installed at the four corners of the bottom of the support frame (3). A placement rack (5) is fixedly installed inside the workbench (1). A splash shield (6) is provided on the outside of the workbench (1), and an upper splash shield mechanism (13) is provided on the splash shield (6). Slider (7), there are four sliders (7), which are fixedly installed on the front and rear sides of the left and right inner walls of the splash cover (6), and the slider (7) is slidably installed in the groove (8) opened on the support leg (4). The threaded rod (9) is inserted into the groove (8) through the bearing, and the slider (7) is sleeved on the threaded rod (9) through the threaded rotation. The motor (10) is fixedly installed in the support leg (4) on one side. The output shaft of the motor (10) is connected to the threaded rod (9). The upper end of the threaded rod (9) is inserted into the corner of the support frame (3) through the bearing. The upper end of the threaded rod (9) is fixedly fitted with a synchronous pulley (11). The four synchronous pulleys (11) are connected by a synchronous belt (12).

2. The splash-proof precision electrical discharge machining machine according to claim 1, characterized in that: The upper splash-proof mechanism (13) includes: Splash guards (13-1), there are two splash guards (13-1), which are respectively movably abutting each other on the left and right sides of the splash guard (6). A rotating rod (13-2) is fixedly inserted inside the splash guard (13-1). The two ends of the rotating rod (13-2) are rotatably fitted with connecting frames (13-3) through bearings, and the connecting frames (13-3) are fixedly installed on the upper part of the splash guard (6). There are four No. 1 linkage rods (13-4), which are rotatably installed in four connecting frames (13-3) through bearings. The No. 1 linkage rod (13-4) and the rotating rod (13-2) are connected by a sprocket and a chain drive. The No. 2 linkage rod (13-5) is rotatably installed in the left and right side walls of the splash cover (6) through bearings. The No. 2 linkage rod (13-5) and the No. 1 linkage rod (13-4) are connected by a sprocket and a chain drive. Four gears (13-6) are fixedly mounted on two second linkage rods (13-5). A fixed bracket (13-8) is fixedly mounted on the side wall of the support leg (4). A rack (13-7) is fixedly mounted on the fixed bracket (13-8). The gears (13-6) and the rack (13-7) are meshed together. The front and rear sides of the left and right inner side walls of the splash shield (6) are provided with strip grooves (14) that cooperate with the rack (13-7).

3. The splash-proof precision electrical discharge machining machine according to claim 2, characterized in that: Buffer strips (17) are fixedly installed in the front and rear grooves on the side wall of the splash guard (13-1). The buffer strips (17) are set to abut against the upper part of the splash guard (6).

4. The splash-proof precision electrical discharge machining machine according to claim 1, characterized in that: The bottom of the workbench (1) is set with an inner conical structure, and a drain pipe (16) is fixedly set in the middle of the bottom of the workbench (1).

5. A splash-proof precision electrical discharge machining machine according to claim 1, characterized in that: A rubber strip (15) is fixedly installed on the upper edge of the workbench (1), and the rubber strip (15) is in contact with the inner wall of the splash guard (6).

6. A splash-proof precision electrical discharge machining machine according to claim 1, characterized in that: An observation port is provided on the front side wall of the splash shield (6), and an observation window (18) is fixedly installed inside the observation port.

Citation Information

Patent Citations

  • Mirror discharge machine with adjusting function

    CN220427065U