Safety protection structure of electric discharge machine

Abstract

The utility model relates to the field of electric discharge machine protection and discloses an electric discharge machine safety protection structure which comprises a workbench, electric discharge equipment is arranged on the edge of the upper surface of the workbench, a box body is fixedly installed on the upper surface of the workbench, a box door is hinged to the edge of one end of the box body, and a supporting base is arranged in the middle of the bottom end of the inner wall of the box body. Movable frames are symmetrically and movably installed in the box body, a protection frame is welded to the middle of one side of each movable frame, protection plates are movably installed on the edges of the two ends of the inner wall of each protection frame, sliding grooves are formed in the edges of the upper and lower ends of the inner wall of each protection frame, and fixing protruding blocks are welded to the positions, penetrating through the sliding grooves, of the edges of the upper and lower ends of each protection plate. The protection frame is matched with the protection plate to movably get close to the outer surface of the workpiece, so that the effect of conveniently protecting electric sparks generated during workpiece machining is achieved, the safety of the electric spark equipment during use is improved, and the problem that the sparks are splashed to the outside of the box body when the electric spark equipment machines the workpiece is solved.

Description

Technical Field

[0001] The present application relates to the field of protection of electric spark machines, and in particular to a safety protection structure of electric spark machines. Background Art

[0002] An EDM machine is a device that uses electric spark discharge to create and control electric sparks. It is mainly composed of a power supply, a high-voltage generator, electrodes, and a control system. An EDM machine can be used in the EDM process, which cuts and trims metals through the discharge of electric sparks.

[0003] Since the EDM machine will produce spark discharge when in use and needs to be operated in EDM fluid, it is generally used in a box that stores EDM fluid. However, the EDM machine will produce certain sparks when in use, and the sparks may splash to the outside of the box, thereby posing certain safety hazards when the EDM machine is in use.

[0004] In view of the above-mentioned related technologies, the inventor believes that the electric spark machine has certain safety hazards when in use. Therefore, a safety protection structure of the electric spark machine is proposed to solve the above-mentioned problem. Utility Model Content

[0005] In order to solve the problem that there are certain potential safety hazards when using an electric spark machine, the present application provides a safety protection structure for an electric spark machine.

[0006] The present application provides an electric spark machine safety protection structure adopts the following technical solutions:

[0007] A safety protection structure for an electric spark machine comprises a workbench, an electric spark device is arranged on the edge of the upper surface of the workbench, a box is fixedly installed on the upper surface of the workbench, a box door is hinged on the edge of one end of the box, a supporting base is arranged in the middle of the bottom end of the inner wall of the box, a movable frame is symmetrically and movably installed inside the box, a protective frame is welded in the middle of one side of the movable frame, protective plates are movably installed on the edges of both ends of the inner wall of the protective frame, sliding grooves are opened on the upper and lower ends of the inner wall of the protective frame, fixed protrusions are welded on the upper and lower ends of the edges of the protective plate passing through the outside of the sliding groove, and a sliding mechanism is also arranged on the outer surface of the protective frame for adjusting the overall protection range of the protective plate.

[0008] Preferably, the sliding mechanism includes a fixed groove, which is opened through the middle of the top of the movable frame, a connecting frame is movably installed inside the fixed groove, a limiting sleeve frame is symmetrically welded on one side of the connecting frame, a limiting screw is rotatably installed in the middle of the other side of the connecting frame, and the limiting screw is threadedly connected to the middle of one side of the movable frame.

[0009] Preferably, a bidirectional screw is rotatably installed on one edge of the inner wall of the box, a servo motor is installed at one side of the bidirectional screw extending to the outside of the box, a threaded hole is opened through one edge of one side of the movable frame, and external threads with opposite thread patterns are opened on both sides of the outer surface of the bidirectional screw, and one side of the outer surface of the bidirectional screw is located inside the threaded hole.

[0010] Preferably, a fixing rod is fixedly installed on one side of the inner wall of the box body behind the bidirectional screw rod, a through hole is penetrated through the other side of the movable frame, one side of the outer surface of the fixing rod is located inside the through hole, and the fixing rod and the through hole are interlocked with each other.

[0011] Preferably, an inner groove is formed through the inside of the limiting sleeve frame, the limiting sleeve frame is movably sleeved on the outer surface of the fixed protrusion, one side of the outer surface of the fixed protrusion is located in the inner groove, and the fixed protrusion and the limiting sleeve frame are adapted to each other.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] By placing the workpiece inside the box, the EDM equipment is located inside the box for EDM machining, and at the same time, the bidirectional lead screw is rotated to make the two movable frames close to the workpiece, and the limit screw is rotated to make the limit sleeve drive the fixed protrusion to move along the inside of the sliding groove, so that the protective plate moves along the inside of the protective frame to protect the outer surface of the workpiece; compared with the prior art, this scheme has the effect of facilitating the protection of the electric sparks generated during the workpiece machining, improves the safety of the EDM equipment during use, solves the problem of sparks splashing to the outside of the box when the EDM equipment processes the workpiece, and improves the overall use efficiency of the EDM equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 It is a schematic diagram of the structure of the protective frame in the application embodiment;

[0016] Figure 3 It is a schematic diagram of the structure of the limiting sleeve frame in the application embodiment;

[0017] Explanation of the accompanying reference numerals: 1. Workbench; 2. Electric spark equipment; 3. Box body; 4. Box door; 5. Support base; 6. Bidirectional screw; 7. Servo motor; 8. Fixed rod; 9. Movable frame; 10. Protective frame; 11. Protective plate; 12. Sliding groove; 13. Fixed protrusion; 14. Fixed groove; 15. Connecting frame; 16. Limiting sleeve frame; 17. Limiting screw. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-3 This application is described in further detail.

[0019] The present application embodiment discloses a safety protection structure for an electric spark machine. Figure 1-3 A safety protection structure for an electric spark machine comprises a workbench 1, an electric spark device 2 is arranged on the edge of the upper surface of the workbench 1, a box body 3 is fixedly installed on the upper surface of the workbench 1, a box door 4 is hinged on the edge of one end of the box body 3, a supporting base 5 is arranged in the middle of the bottom end of the inner wall of the box body 3, a movable frame 9 is symmetrically and movably installed inside the box body 3, a protective frame 10 is welded on the middle of one side of the movable frame 9, protective plates 11 are movably installed on the edges of both ends of the inner wall of the protective frame 10, sliding grooves 12 are opened on the upper and lower ends of the inner wall of the protective frame 10, and fixed protrusions 13 are welded on the upper and lower ends of the edges of the protective plate 11 through the sliding groove 12. A sliding mechanism is also provided on the outer surface of the protective frame 10 for adjusting the overall protection range of the protective plate 11.

[0020] By placing the workpiece inside the box 3, the EDM equipment 2 is located inside the box 3 for EDM machining, the movable frame 9 drives the protective frame 10 to move close to the workpiece, the fixed protrusion 13 moves along the inside of the sliding groove 12, the fixed protrusion 13 drives the protective plate 11 to move along the inside of the protective frame 10, and the protective plate 11 cooperates with the protective frame 10 to protect the outer surface of the workpiece, which reflects the overall protection effect of the protective frame 10 and the protective plate 11 on the workpiece during EDM machining.

[0021] Reference Figure 2 and Figure 3 The sliding mechanism includes a fixed groove 14, which is opened through the middle of the top of the movable frame 9. A connecting frame 15 is movably installed inside the fixed groove 14. A limiting sleeve frame 16 is symmetrically welded on one side of the connecting frame 15. A limiting screw 17 is rotatably installed in the middle of the other side of the connecting frame 15. The limiting screw 17 is threadedly connected to the middle of one side of the movable frame 9. An inner groove is opened inside the limiting sleeve frame 16. The limiting sleeve frame 16 is movably sleeved on the outer surface of the fixed protrusion 13. One side of the outer surface of the fixed protrusion 13 is located in the inner groove. The fixed protrusion 13 and the limiting sleeve frame 16 are adapted to each other.

[0022] By rotating the limiting screw 17 , the connecting frame 15 moves along the inside of the fixing groove 14 , so that the connecting frame 15 pushes the limiting sleeve 16 to move, thereby driving the fixing protrusion 13 to move along the inside of the sliding groove 12 , reflecting the overall adjustment effect of the limiting sleeve 16 on the fixing protrusion 13 .

[0023] Reference Figure 1A bidirectional screw rod 6 is rotatably installed on one side of the inner wall of the box body 3, and a servo motor 7 is installed at one side of the bidirectional screw rod 6 extending to the outside of the box body 3. A threaded hole is opened through the edge of one side of the movable frame 9, and external threads with opposite thread patterns are opened on both sides of the outer surface of the bidirectional screw rod 6. One side of the outer surface of the bidirectional screw rod 6 is located inside the threaded hole, and a fixing rod 8 is fixedly installed on one side of the inner wall of the box body 3 at the back of the bidirectional screw rod 6. A through hole is opened through the other side of the movable frame 9, and one side of the outer surface of the fixing rod 8 is located inside the through hole, and the fixing rod 8 and the through hole are fitted with each other.

[0024] By starting the servo motor 7 to drive the bidirectional screw 6 to rotate, the two movable frames 9 are moved closer to or away from each other along the outer surface of the bidirectional screw 6, the movable frame 9 is moved close to the workpiece, and the fixed rod 8 supports the movable movable frame 9 to keep the movable frame 9 in a stable state when it is moving, which reflects the overall adjustment effect of the bidirectional screw 6 on the movable frame 9.

[0025] The implementation principle of the safety protection structure of an EDM machine in the embodiment of the present application is as follows: by placing the workpiece inside the box 3, the EDM equipment 2 is located inside the box 3 for EDM machining, and at the same time, the servo motor 7 is started to drive the bidirectional screw 6 to rotate, and the input end of the servo motor 7 power supply is electrically connected to the output end of the external power supply, so that the two movable frames 9 are close to or away from each other along the outer surface of the bidirectional screw 6, so that the movable frame 9 is moved close to the workpiece, and the fixed rod 8 supports the movable frame 9 to keep the movable frame 9 in a stable state when it is moving, and the limit screw 17 is rotated to make the connecting frame 15 move along the fixed rod 8. The fixed groove 14 moves internally, so that the connecting frame 15 pushes the limiting sleeve frame 16 to move, thereby driving the fixed protrusion 13 to move along the inside of the sliding groove 12, so that the fixed protrusion 13 drives the protective plate 11 to move along the inside of the protective frame 10, so that the protective plate 11 cooperates with the protective frame 10 to protect the outer surface of the workpiece; compared with the prior art, this solution has the effect of facilitating the protection of electric sparks generated during workpiece processing, improves the safety of the electric spark equipment 2 during use, solves the problem of sparks splashing to the outside of the box 3 when the electric spark equipment 2 processes the workpiece, and improves the overall use efficiency of the electric spark equipment 2.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0029] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A safety protection structure for an electric spark machine, comprising a workbench (1), wherein an electric spark device (2) is arranged on the edge of the upper surface of the workbench (1), characterized in that: A box body (3) is fixedly mounted on the upper surface of the workbench (1), a box door (4) is hingedly mounted on one end edge of the box body (3), a support base (5) is arranged in the middle of the bottom end of the inner wall of the box body (3), a movable frame (9) is symmetrically and movably mounted inside the box body (3), a protective frame (10) is welded in the middle of one side of the movable frame (9), protective plates (11) are movably mounted on both ends of the inner wall of the protective frame (10), sliding grooves (12) are arranged on both ends of the inner wall of the protective frame (10), fixed protrusions (13) are welded on the upper and lower ends of the protective plate (11) through the outside of the sliding grooves (12), and a sliding mechanism is also arranged on the outer surface of the protective frame (10) for adjusting the overall protection range of the protective plate (11).

2. The safety protection structure of an electric spark machine according to claim 1, characterized in that: The sliding mechanism comprises a fixing groove (14), the fixing groove (14) is through-opened at the middle of the top end of the movable frame (9), a connecting frame (15) is movably installed inside the fixing groove (14), a limiting sleeve frame (16) is symmetrically welded to one side of the connecting frame (15), a limiting screw (17) is rotatably installed in the middle of the other side of the connecting frame (15), and the limiting screw (17) is threadedly connected to the middle of one side of the movable frame (9).

3. The safety protection structure of an electric spark machine according to claim 1 is characterized in that: A bidirectional screw rod (6) is rotatably mounted on one side edge of the inner wall of the box body (3); a servo motor (7) is mounted on one side of the bidirectional screw rod (6) extending to the outside of the box body (3); a threaded hole is provided through one side edge of the movable frame (9); external threads with opposite thread patterns are provided on both sides of the outer surface of the bidirectional screw rod (6); and one side of the outer surface of the bidirectional screw rod (6) is located inside the threaded hole.

4. The safety protection structure of an electric spark machine according to claim 3 is characterized in that: A fixing rod (8) is fixedly installed on one side of the inner wall of the box body (3) at a position opposite to the bidirectional screw rod (6), and a through hole is formed through the other side edge of the movable frame (9). One side of the outer surface of the fixing rod (8) is located inside the through hole, and the fixing rod (8) and the through hole are interlocked.

5. The safety protection structure of an electric spark machine according to claim 2, characterized in that: An inner groove is formed through the interior of the limiting sleeve (16), and the limiting sleeve (16) is movably sleeved on the outer surface of the fixed protrusion (13), one side of the outer surface of the fixed protrusion (13) is located in the inner groove, and the fixed protrusion (13) and the limiting sleeve (16) are adapted to each other.

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