Multifunctional electric spark machine tool head

Abstract

The utility model discloses a multifunctional electric spark machine tool head which comprises a rotating box and a servo motor, the servo motor is installed on the inner wall of the rotating box, a first worm is installed at the output end of the servo motor, and a second movable shaft is movably installed in the position, on one side of the first worm, of the rotating box. The surface of the second movable shaft is sleeved with a first worm gear, the first worm is meshed with the first worm gear, a rotating plate is arranged below the rotating box, the second movable shaft is connected with the rotating plate, and two sets of electric spark machine head bodies are arranged in the rotating plate and slidably connected with the rotating plate. According to the utility model, the use of the machine head can be conveniently and rapidly adjusted through transverse circumferential rotation, the use of the angle can be conveniently and rapidly adjusted, the use of the machine head can be conveniently and longitudinally adjusted through circumferential rotation, the time for replacing the machine head is shortened, the operation range is increased, and the workpiece processing efficiency and the use flexibility are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool heads, in particular to a multi-functional electric discharge machine tool head. Background Technique

[0002] An electric discharge machine tool, also known as a numerical control electric discharge machine tool, electric discharge machine, spark machine, etc., is an electro-machining device. The head of an electric discharge machine tool is an important part of a machine tool, mainly used to transfer working energy in the forms of electrical energy, hydraulic energy, pneumatic energy, etc. to tools, workpieces or fixtures to complete the machining work. The machine tool head is one of the most important components of a machine tool, and its main function is to provide the machine tool with the ability of high-speed rotation and feed movement. Traditional heads are mostly fixedly installed, which is not convenient for adjusting the machining position of the head. In order to better use the head, a multi-functional electric discharge machine tool head is proposed.

[0003] As disclosed in a head automatic lifting and commissioning device in an electric discharge machine tool with the authorization announcement number CN217647650U, including a machine tool, the upper end surface of the machine tool is fixedly connected with a mounting plate, the lower end surface of the mounting plate is provided with a mounting rod, a first adjusting mechanism is arranged between the mounting rod and the mounting plate, a moving plate is arranged on the side wall of the mounting rod, a lifting mechanism is arranged between the moving plate and the mounting rod, the upper end surface of the machine tool is provided with a mounting groove, and a second adjusting mechanism is arranged in the mounting groove. The first adjusting mechanism includes a chute arranged on the side wall of the mounting plate, a first threaded rod is rotatably connected in the chute, a moving block is slidably connected in the chute, and the first threaded rod penetrates through the moving block and is threadedly connected therewith;

[0004] Although it has a reasonable structural design, it can not only machine various positions of the workpiece, which is relatively practical, but also stabilize the workpiece during machining, making it not easy to shift during machining and improving its stability;

[0005] However, it does not solve the problem that the existing machine tool head is not convenient for convenient horizontal circumferential rotation to adjust the use of the head and convenient angle adjustment, and is not conducive to longitudinal circumferential rotation adjustment of the head, which affects the machining efficiency and use flexibility of the workpiece. Content of the Utility Model

[0006] The purpose of the utility model is to provide a multi-functional electric discharge machine tool head to solve the problems that the machine tool head is not convenient for convenient horizontal circumferential rotation to adjust the use of the head and convenient angle adjustment, and is not conducive to longitudinal circumferential rotation adjustment of the head, which affects the machining efficiency and use flexibility of the workpiece as mentioned in the above background technique.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A multi-functional electric discharge machine head, including a rotating box and a servo motor. The servo motor is installed on the inner wall of the rotating box. The output end of the servo motor is installed with a first worm. Inside the rotating box on one side of the first worm, a second movable shaft is movably installed. A first worm gear is sleeved on the surface of the second movable shaft, and the first worm and the first worm gear are meshed with each other. A rotating plate is arranged below the rotating box, and the second movable shaft is connected to the rotating plate. Two electric discharge machine head bodies are arranged inside the rotating plate, and the electric discharge machine head bodies are slidably connected to the rotating plate. Rack bars are installed on the side walls of the electric discharge machine head bodies, and the rack bars are fixedly connected to the electric discharge machine head bodies. Driving motors are installed inside the rotating plate on one side of the electric discharge machine head bodies. The output ends of the driving motors are installed with driving shafts. Gears are installed at the ends of the driving shafts away from the driving motors, and the gears are meshed with the rack bars. A back plate is arranged outside the rotating box.

[0008] Preferably, a moving motor is installed at the top of the back plate. The output end of the moving motor is installed with a threaded rod, and the threaded rod is movably connected to the back plate.

[0009] Preferably, slide rails are installed on the side walls of the back plate on both sides of the threaded rod. A threaded block is sleeved on the surface of the threaded rod, and the threaded block is threadedly connected to the threaded rod and is slidably connected to the slide rails.

[0010] Preferably, a support frame is installed on the side wall of the threaded block. A rotating plate is installed on one side of the support frame. A hinge shaft is installed on the side of the rotating plate close to the support frame, and the rotating plate is movably connected to the support frame through the hinge shaft.

[0011] Preferably, electric push rods are symmetrically and movably installed on the side wall of the support frame. Push arms are installed at the output ends of the electric push rods. Linkage shafts are installed at the ends of the push arms away from the electric push rods, and the push arms are movably connected to the rotating plate through the linkage shafts.

[0012] Preferably, a stepping motor is installed inside the rotating plate. The output end of the stepping motor is installed with a second worm, and the second worm is movably connected to the rotating plate.

[0013] Preferably, a first movable shaft is movably installed inside the rotating plate on one side of the second worm. A second worm gear is sleeved on the surface of the first movable shaft, and the second worm and the second worm gear are meshed with each other.

[0014] Preferably, the first movable shaft extends outside the rotating plate, and the rotating plate is connected to the rotating box.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: The machine tool head not only realizes convenient lateral circumferential rotation for adjusting the use of the head and convenient angle adjustment for use, facilitates longitudinal circumferential rotation adjustment for using the head, reduces the time for replacing the head, increases the operation range, but also improves the efficiency of workpiece processing and the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 is a front view sectional structure schematic diagram of the rotating box of the utility model;

[0018] Figure 3 is a three-dimensional structure schematic diagram of the rotating plate of the utility model;

[0019] Figure 4 is a front view sectional structure schematic diagram of the rotating plate of the utility model;

[0020] Figure 5 is a top view sectional structure schematic diagram of the rotating plate of the utility model.

[0021] In the figure: 1, back plate; 2, threaded block; 3, rotating plate; 4, rotating box; 5, electric discharge machine head body; 6, rotating plate; 7, rack; 8, support frame; 9, first movable shaft; 10, servo motor; 11, first worm; 12, first worm gear; 13, second movable shaft; 14, electric push rod; 15, push arm; 16, linkage shaft; 17, hinge shaft; 18, stepping motor; 19, gear; 20, second worm; 21, second worm gear; 22, drive motor; 23, moving motor; 24, threaded rod; 25, slide rail; 26, drive shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5, an embodiment provided by the present utility model: a multi-functional electric discharge machine tool head, including a rotating box 4 and a servo motor 10. The servo motor 10 is installed on the inner wall of the rotating box 4, and the servo motor 10 plays a role in power driving. The output end of the servo motor 10 is installed with a first worm 11. Inside the rotating box 4 on one side of the first worm 11, a second movable shaft 13 is movably installed. A first worm gear 12 is sleeved on the surface of the second movable shaft 13, and the first worm 11 meshes with the first worm gear 12. A rotating plate 6 is arranged below the rotating box 4, and the second movable shaft 13 is connected to the rotating plate 6. Two groups of electric discharge machine head bodies 5 are arranged inside the rotating plate 6, and the electric discharge machine head bodies 5 are slidably connected to the rotating plate 6. Rack bars 7 are installed on the side walls of the electric discharge machine head bodies 5, and the rack bars 7 are fixedly connected to the electric discharge machine head bodies 5. Driving motors 22 are installed inside the rotating plate 6 on one side of the electric discharge machine head bodies 5, and the driving motors 22 play a role in power driving. The output ends of the driving motors 22 are installed with driving shafts 26. Gears 19 are installed at the ends of the driving shafts 26 away from the driving motors 22, and the gears 19 mesh with the rack bars 7. A back plate 1 is arranged outside the rotating box 4;

[0024] First, install the device on the electric discharge machine tool, and at the same time connect the device to the external control and external circuit. When in use, turn on the moving motor 23 through the external control. The moving motor 23 drives the threaded rod 24 to rotate. Under the threaded connection between the threaded rod 24 and the threaded block 2, and under the sliding fit between the threaded block 2 and the slide rail 25, the threaded rod 24 drives the threaded block 2 to move downward. The threaded block 2 drives the support frame 8, the rotating plate 3, the rotating box 4, the rotating plate 6 and the electric discharge machine head body 5 to move downward, so that the electric discharge machine head body 5 moves above the workpiece. Then, turn on the driving motor 22 through the external control. The driving motor 22 drives the driving shaft 26 to rotate. The driving shaft 26 drives the gear 19 to rotate. Under the mutual meshing of the gear 19 and the rack bar 7, the gear 19 drives the rack bar 7 to move downward. The rack bar 7 drives the electric discharge machine head body 5 to move downward, so that the first group of electric discharge machine head bodies 5 contacts the surface of the workpiece. Then, the processing operation of the workpiece is completed. When it is necessary to adjust and use the second group of electric discharge machine head bodies 5, first reset the first group of electric discharge machine head bodies 5. Then, turn on the servo motor 10 through the external control. The servo motor 10 drives the first worm 11 to rotate. Under the mutual meshing of the first worm 11 and the first worm gear 12, the first worm 11 drives the first worm gear 12 to rotate. The first worm gear 12 drives the second movable shaft 13 to rotate. The second movable shaft 13 drives the rotating plate 6 and the electric discharge machine head body 5 to rotate, so that the second group of electric discharge machine head bodies 5 rotates to the processing position. Then, repeat the above operation to complete the use of the second group of electric discharge machine head bodies 5, realizing convenient horizontal circumferential rotation adjustment of the head for use, reducing the time for replacing the head, and improving the processing efficiency of the workpiece;

[0025] A moving motor 23 is installed at the top of the backplane 1. The moving motor 23 plays a role in power driving. The output end of the moving motor 23 is installed with a threaded rod 24, and the threaded rod 24 is movably connected to the backplane 1;

[0026] On the side walls of the backplane 1 on both sides of the threaded rod 24, slide rails 25 are installed. A threaded block 2 is sleeved on the surface of the threaded rod 24. The threaded block 2 is threadedly connected to the threaded rod 24, and the threaded block 2 is slidably connected to the slide rail 25. A support frame 8 is installed on the side wall of the threaded block 2. A rotating plate 3 is installed on one side of the support frame 8. A hinge shaft 17 is installed on the side of the rotating plate 3 close to the support frame 8, and the rotating plate 3 is movably connected to the support frame 8 through the hinge shaft 17;

[0027] Electric push rods 14 are symmetrically and movably installed on the side wall of the support frame 8. The electric push rods 14 play a role in power driving. The output ends of the electric push rods 14 are all installed with push arms 15. One ends of the push arms 15 far from the electric push rods 14 are all installed with linkage shafts 16, and the push arms 15 are movably connected to the rotating plate 3 through the linkage shafts 16;

[0028] A stepping motor 18 is installed inside the rotating plate 3. The stepping motor 18 plays a role in power driving. The output end of the stepping motor 18 is installed with a second worm 20, and the second worm 20 is movably connected to the rotating plate 3. A first moving shaft 9 is movably installed inside the rotating plate 3 on one side of the second worm 20. A second worm gear 21 is sleeved on the surface of the first moving shaft 9, and the second worm 20 is meshed with the second worm gear 21. The first moving shaft 9 extends to the outside of the rotating plate 3, and the rotating plate 3 is connected to the rotating box 4;

[0029] When the angle needs to be adjusted for use, the electric push rod 14 is turned on through external control. The electric push rod 14 drives the push arm 15 to move. Supported by the support frame 8, the push arm 15 drives the rotating plate 3 to rotate around the hinge shaft 17 through the linkage shaft 16. The rotating plate 3 drives the first moving shaft 9, the rotating box 4, the rotating plate 6 and the electric spark head body 5 to rotate to adjust the angle of the electric spark head body 5, and then the use of the electric spark head body 5 is completed. When longitudinal rotation is required for use, the stepping motor 18 is turned on through external control. The stepping motor 18 drives the second worm 20 to rotate. Under the mutual meshing of the second worm 20 and the second worm gear 21, the second worm 20 drives the second worm gear 21 to rotate. The second worm gear 21 drives the first moving shaft 9 to rotate. The first moving shaft 9 drives the rotating box 4, the second moving shaft 13, the rotating plate 6 and the electric spark head body 5 to rotate to longitudinally rotate and adjust the use position, realizing convenient angle adjustment for use, facilitating longitudinal circumferential rotation adjustment for use of the machine head, increasing the operation range, and improving the flexibility of processing and use.

[0030] Working principle: First, install the device on the electric discharge machine tool and connect the device to the external control and external circuit. When in use, the moving motor 23 drives the threaded rod 24 to rotate. The threaded rod 24 drives the threaded block 2 to move downward. The threaded block 2 drives the support frame 8, the rotating plate 3, the rotating box 4, the rotating plate 6 and the electric discharge machine head body 5 to move downward, so that the electric discharge machine head body 5 moves above the workpiece. The driving motor 22 drives the driving shaft 26 to rotate. The driving shaft 26 drives the gear 19 to rotate. The gear 19 drives the rack 7 to move downward. The rack 7 drives the electric discharge machine head body 5 to move downward, so that the first group of electric discharge machine head bodies 5 contacts the surface of the workpiece. Then, the processing operation of the workpiece is completed. When it is necessary to adjust and use the second group of electric discharge machine head bodies 5, first reset the first group of electric discharge machine head bodies 5. The servo motor 10 drives the first worm 11 to rotate. The first worm 11 drives the first worm gear 12 to rotate. The first worm gear 12 drives the second moving shaft 13 to rotate. The second moving shaft 13 drives the rotating plate 6 and the electric discharge machine head body 5 to rotate, so that the second group of electric discharge machine head bodies 5 rotates to the processing position. Then, repeat the above operations to complete the use of the second group of electric discharge machine head bodies 5. When it is necessary to adjust the angle for use, the electric push rod 14 drives the push arm 15 to move. The push arm 15 drives the rotating plate 3 to rotate around the hinge shaft 17 through the linkage shaft 16. The rotating plate 3 drives the first moving shaft 9, the rotating box 4, the rotating plate 6 and the electric discharge machine head body 5 to rotate, so as to adjust the angle of the electric discharge machine head body 5. Then, the use of the electric discharge machine head body 5 is completed. When it is necessary to perform longitudinal rotation for use, the stepping motor 18 drives the second worm 20 to rotate. The second worm 20 drives the second worm gear 21 to rotate. The second worm gear 21 drives the first moving shaft 9 to rotate. The first moving shaft 9 drives the rotating box 4, the second moving shaft 13, the rotating plate 6 and the electric discharge machine head body 5 to rotate, so as to longitudinally rotate and adjust the use position, and complete the use of the multi-functional electric discharge machine tool head.

Claims

1. A multi-functional EDM machine head, comprising a rotating box (4) and a servo motor (10), characterized in that: A servo motor (10) is installed on the inner wall of the rotating box (4). The output end of the servo motor (10) is equipped with a first worm (11). Inside the rotating box (4) on one side of the first worm (11), a second moving shaft (13) is movably installed. A first worm gear (12) is sleeved on the surface of the second moving shaft (13), and the first worm (11) meshes with the first worm gear (12). A rotating plate (6) is arranged below the rotating box (4), and the second moving shaft (13) is connected to the rotating plate (6). Two electric discharge machine head bodies (5) are arranged inside the rotating plate (6), and the electric discharge machine head bodies (5) are slidably connected to the rotating plate (6). Rack bars (7) are installed on the side walls of the electric discharge machine head bodies (5), and the rack bars (7) are fixedly connected to the electric discharge machine head bodies (5). Driving motors (22) are installed inside the rotating plate (6) on one side of the electric discharge machine head bodies (5). The output ends of the driving motors (22) are equipped with driving shafts (26). Gears (19) are installed at the ends of the driving shafts (26) far from the driving motors (22), and the gears (19) mesh with the rack bars (7). A back plate (1) is arranged outside the rotating box (4).

2. The multifunctional electric discharge machine tool head according to claim 1, characterized in that: A moving motor (23) is installed at the top end of the back plate (1). The output end of the moving motor (23) is equipped with a threaded rod (24), and the threaded rod (24) is movably connected to the back plate (1).

3. The multifunctional electric discharge machine tool head according to claim 2, wherein: Slide rails (25) are installed on the side walls of the back plate (1) on both sides of the threaded rod (24). A threaded block (2) is sleeved on the surface of the threaded rod (24), and the threaded block (2) is threadedly connected to the threaded rod (24), and the threaded block (2) is slidably connected to the slide rails (25).

4. A multifunctional electric discharge machine tool head according to claim 3, characterized in that: A support frame (8) is installed on the side wall of the threaded block (2). A rotating plate (3) is installed on one side of the support frame (8). A hinge shaft (17) is installed on the side of the rotating plate (3) close to the support frame (8), and the rotating plate (3) is movably connected to the support frame (8) through the hinge shaft (17).

5. A multi-functional EDM machine head according to claim 4, characterized in that: Electric push rods (14) are symmetrically and movably installed on the side wall of the support frame (8). Push arms (15) are installed at the output ends of the electric push rods (14). Linkage shafts (16) are installed at the ends of the push arms (15) far from the electric push rods (14), and the push arms (15) are movably connected to the rotating plate (3) through the linkage shafts (16).

6. The multifunctional electric discharge machine tool head according to claim 4, wherein: A stepping motor (18) is installed inside the rotating plate (3). The output end of the stepping motor (18) is equipped with a second worm (20), and the second worm (20) is movably connected to the rotating plate (3).

7. The multifunctional EDM machine head according to claim 6, characterized in that: A first moving shaft (9) is movably installed inside the rotating plate (3) on one side of the second worm (20). A second worm gear (21) is sleeved on the surface of the first moving shaft (9), and the second worm (20) meshes with the second worm gear (21).

8. A multifunctional electric discharge machine tool head according to claim 7, characterized in that: The first moving shaft (9) extends to the outside of the rotating plate (3), and the rotating plate (3) is connected to the rotating box (4).

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