Rotating head speed regulating device of spark erosion drilling machine

Abstract

The utility model discloses a speed regulating device for a rotating head of a spark erosion drilling machine, which belongs to the technical field of spark erosion drilling machines and comprises a driving box, a transmission chamber is arranged in the driving box, a driving chamber is arranged in the driving box, and two sliding grooves are formed in the bottom of an inner cavity of the driving chamber. A second driving mechanism is arranged in an inner cavity of the driving chamber, and a first driving mechanism is arranged in the inner cavity of the driving chamber. According to the lubricating device, the infusion pump, the infusion pipe and the three-way spray head are used in cooperation, when the device operates, lubricating oil in the inner cavity of the transmission chamber enters the three-way spray head through the infusion pump, and the lubricating oil is sprayed to the side portion of the driven gear from the end portion of the three-way spray head; therefore, the meshing positions of the driven gear and the first main gear and the meshing positions of the driven gear and the second main gear are lubricated, the driven gear, the second main gear and the first main gear are prevented from being rapidly abraded, and the service life of the rotating head speed adjusting device of the spark erosion drilling machine is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark punching machines, and more specifically to a speed regulating device for a rotating head of an electric spark punching machine. Background Art

[0002] The EDM punching machine is an EDM machine that uses the EDM principle to process holes less than 5mm in size. It is used to process small and medium-sized dies. Its processing feature is that it is not limited by the hardness of the metal material. The template can be quenched first and then the machine can be used to process the required hole type to ensure quality and increase service life.

[0003] After searching, the utility model patent with announcement number CN213916550U discloses a speed regulating device for a rotating head of an electrospark punching machine, comprising a fixed seat, the central area of ​​the fixed seat is connected to the rotating head through a rotating shaft, a through hole is opened inside the fixed seat, a sliding rod is slidably arranged in the through hole, the fixed seat is symmetrically opened with a first through slot and a second through slot on both sides of the rotating head, the first through slot and the second through slot are respectively provided with a first driving mechanism and a second driving mechanism for driving the rotating head to rotate, the first driving mechanism and the second driving mechanism are respectively rotatably connected to the two ends of the sliding rod through a first clamping piece and a second clamping piece, and blocks are fixedly installed at positions near the first clamping piece and the second clamping piece on the sliding rod; the speed regulating device for the rotating head of an electrospark punching machine facilitates switching between the first driving mechanism and the second driving mechanism, and avoids the maintenance and replacement of one of the driving mechanisms affecting the working efficiency of the rotating head.

[0004] However, the above patent has the following shortcomings: the gear cannot be lubricated during transmission, which affects its service life. In addition, the transmission generally relies on the transmission between the first driving gear and the driven gear, the second driving gear and the driven gear to drive the rotating head to rotate and adjust the speed. Although the first driving gear and the second driving gear can be replaced when worn, the driven gear will also wear during transmission. If it is not replaced, it will also affect its driving effect. For this reason, we propose a speed regulating device for the rotating head of an EDM punching machine. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a speed regulating device for a rotating head of an electric spark punching machine.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A speed control device for a rotating head of an electric spark perforating machine comprises a driving box, a transmission chamber is arranged inside the driving box, a driving chamber is arranged inside the driving box, two slide grooves are provided in the bottom of the inner cavity of the driving chamber, a second driving mechanism is arranged in the inner cavity of the driving chamber, a first driving mechanism is arranged in the inner cavity of the driving chamber, a transmission shaft is rotatably connected to the bottom of the driving box, a rotating head body is fixedly connected to the bottom end of the transmission shaft, the top end of the transmission shaft extends to the inner cavity of the transmission chamber and is fixedly sleeved with two driven gears, a liquid pump is fixedly installed on the back of the driving box, and liquid pumps are respectively fixedly connected to liquid pumps at both ends, one end of the liquid pump extends to the bottom of the inner cavity of the transmission chamber, and the top end of the other liquid pump extends to the top of the inner cavity of the transmission chamber and is fixedly connected to a three-way nozzle.

[0008] As a preferred solution of the utility model, the first driving mechanism includes a first mounting seat fixedly connected to the bottom of the inner cavity of the driving chamber, a first electric push rod is fixedly mounted on the first mounting seat, an output end of the first electric push rod is fixedly connected to a first slide seat, a first motor is fixedly mounted in the middle of the first slide seat, an output shaft of the first motor extends to an inner cavity of a slide groove and is fixedly connected to a first rotating rod, the bottom end of the first rotating rod extends to the inner cavity of the transmission chamber and is fixedly sleeved with a first main gear, and the first main gear and a driven gear are meshed with each other.

[0009] As a preferred solution of the present utility model, the second driving mechanism includes a second mounting seat fixedly connected to the bottom of the inner cavity of the driving chamber, a second electric push rod is fixedly mounted on the second mounting seat, an output end of the second electric push rod is fixedly connected to a second slide seat, a second motor is fixedly mounted in the middle of the second slide seat, an output shaft of the second motor extends to the inner cavity of another slide slot and is fixedly connected to a second rotating rod, the bottom end of the second rotating rod extends to the inner cavity of the transmission chamber and is fixedly sleeved with a second main gear, and the positions of the second main gear and another driven gear are adapted to each other.

[0010] As a preferred solution of the utility model, a filling plug is threadedly installed on the end of the drive box, and a drain plug is threadedly installed on the end of the drive box, and the ends of the filling plug and the drain plug both extend to the inner cavity of the transmission chamber.

[0011] As a preferred solution of the utility model, the bottom surfaces of the second slide seat and the first slide seat are in contact with the bottom surface of the inner cavity of the driving chamber.

[0012] As a preferred solution of the utility model, the two output ends of the three-way nozzle are respectively located on both sides of the two driven gears.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In the utility model, by using a liquid pump, a liquid pumping tube and a three-way nozzle in coordination, when the device is in operation, the liquid pump is used to allow the lubricating oil in the inner cavity of the transmission chamber to enter the three-way nozzle, and the lubricating oil is sprayed from the end of the three-way nozzle to the side of the driven gear, thereby lubricating the meshing parts of the driven gear and the first main gear, and the driven gear and the second main gear, thereby avoiding rapid wear of the driven gear, the second main gear and the first main gear, and improving the service life of the electric spark punching machine rotating head speed regulating device.

[0015] (2) In the utility model, the first main gear is driven to rotate by the first motor, and the cooperation between the first main gear and a driven gear is used to drive the rotating head body to rotate. When the driven gear and the first main gear are worn, the first electric push rod is used to drive the first main gear and the driven gear to separate, and at the same time, the second electric push rod is used to drive the second main gear to move and mesh with another driven gear, and the second motor is used to drive the second main gear to rotate to drive the rotating head body to rotate. The cooperation of the two sets of gears ensures the smooth operation of the rotating head of the electric spark punching machine, which has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the drive box of the utility model;

[0019] Figure 4 It is the internal schematic diagram of the transmission chamber of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1. Drive box; 2. Transmission chamber; 3. Drive chamber; 4. Slide; 5. Transmission shaft; 6. Rotating head body; 7. Driven gear; 8. Second mounting seat; 9. Second electric push rod; 10. Second slide seat; 11. Second motor; 12. Second rotating rod; 13. Second main gear; 14. First electric push rod; 15. First slide seat; 16. First motor; 17. First rotating rod; 18. First main gear; 19. Second drive mechanism; 20. Liquid pump; 21. Liquid pipe; 22. Three-way nozzle; 23. Liquid filling plug; 24. Liquid discharge plug; 25. First drive mechanism; 26. First mounting seat. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Example:

[0026] See also Figure 1-4 A speed regulating device for a rotating head of an electric spark perforating machine comprises a driving box 1, a transmission chamber 2 is arranged inside the driving box 1, a driving chamber 3 is arranged inside the driving box 1, two slide grooves 4 are arranged at the bottom of the inner cavity of the driving chamber 3, a second driving mechanism 19 is arranged in the inner cavity of the driving chamber 3, a first driving mechanism 25 is arranged in the inner cavity of the driving chamber 3, a transmission shaft 5 is rotatably connected to the bottom of the driving box 1, a rotating head body 6 is fixedly connected to the bottom end of the transmission shaft 5, the top end of the transmission shaft 5 extends to the inner cavity of the transmission chamber 2 and is fixedly sleeved with two driven gears 7, a liquid pump 20 is fixedly installed on the back of the driving box 1, and liquid pumps 21 are fixedly connected to the two ends of the liquid pump 20 respectively, one end of one liquid pump 21 extends to the bottom of the inner cavity of the transmission chamber 2, and the top end of the other liquid pump 21 extends to the top of the inner cavity of the transmission chamber 2 and is fixedly connected with a three-way nozzle 22.

[0027] In this embodiment, the inner cavity of the transmission chamber 2 is preset with lubricating oil.

[0028] For details, please refer to Figures 2 to 4The first driving mechanism 25 includes a first mounting seat 26 fixedly connected to the bottom of the inner cavity of the driving chamber 3, a first electric push rod 14 is fixedly mounted on the first mounting seat 26, an output end of the first electric push rod 14 is fixedly connected to a first slide 15, a first motor 16 is fixedly mounted in the middle of the first slide 15, an output shaft of the first motor 16 extends to an inner cavity of a slide slot 4 and is fixedly connected to a first rotating rod 17, a bottom end of the first rotating rod 17 extends to the inner cavity of the transmission chamber 2 and is fixedly sleeved with a first main gear 18, and the first main gear 18 and a driven gear 7 are meshed with each other.

[0029] In this embodiment, the first electric push rod 14 is used to drive the first slide 15, the first rotating rod 17 and the first main gear 18 to move, and the meshing transmission between the first main gear 18 and the driven gear 7 is used to drive the rotating head body 6 to rotate.

[0030] For details, please refer to Figures 2 to 4 The second driving mechanism 19 includes a second mounting base 8 fixedly connected to the bottom of the inner cavity of the driving chamber 3, a second electric push rod 9 is fixedly mounted on the second mounting base 8, an output end of the second electric push rod 9 is fixedly connected to a second slide 10, a second motor 11 is fixedly mounted in the middle of the second slide 10, an output shaft of the second motor 11 extends to the inner cavity of another slide groove 4 and is fixedly connected to a second rotating rod 12, the bottom end of the second rotating rod 12 extends to the inner cavity of the transmission chamber 2 and is fixedly sleeved with a second main gear 13, and the positions of the second main gear 13 and another driven gear 7 are adapted to each other.

[0031] In this embodiment, the second electric push rod 9 is used to drive the second slide seat 10 , the second rotating rod 12 and the second main gear 13 to move, and the second main gear 13 can mesh with another driven gear 7 .

[0032] For details, please refer to Figure 1 A liquid filling plug 23 is threadedly installed at the end of the drive box 1, and a liquid drain plug 24 is threadedly installed at the end of the drive box 1. The ends of the liquid filling plug 23 and the liquid drain plug 24 extend to the inner cavity of the transmission chamber 2.

[0033] In this embodiment, the lubricating oil in the inner cavity of the transmission chamber 2 is released by removing the drain plug 24 , and the lubricating oil is added to the inner cavity of the transmission chamber 2 by removing the filling plug 23 .

[0034] For details, please refer to Figure 4 The bottom surfaces of the second slide 10 and the first slide 15 are in contact with the bottom surface of the inner cavity of the driving chamber 3 .

[0035] In this embodiment, the bottom surface of the inner cavity of the driving chamber 3 is used to support the second slide seat 10 and the first slide seat 15 to ensure the stability of the second slide seat 10 and the first slide seat 15 .

[0036] For details, please refer to Figure 2 and Figure 4 The two output ends of the three-way nozzle 22 are respectively located on both sides of the two driven gears 7.

[0037] In this embodiment, it is ensured that the lubricating oil sprayed from the output end of the three-way nozzle 22 can be sprayed onto the gear teeth of the driven gear 7 .

[0038] Working principle: When in use, first start the first motor 16 to drive the first rotating rod 17 and the first main gear 18 to rotate, and use the transmission between the first main gear 18 and a driven gear 7 to drive the transmission shaft 5 and the rotating head body 6 to rotate, so as to perform drilling. Then, when the first main gear 18 and the driven gear 7 are worn after transmission, start the first electric push rod 14 to drive the first slide 15 to move, and use the movement of the first slide 15 to drive the first main gear 18 and the driven gear 7 on the first rotating rod 17 to separate, and start the second electric push rod 9 to drive the second slide 10 to move, and use the second slide 10 to drive the second main gear 13 on the second rotating rod 12 to approach the direction of the driven gear 7, so that The second main gear 13 is meshed with another driven gear 7, and then the second motor 11 is started to drive the second rotating rod 12 and the second main gear 13 to rotate, and the transmission shaft 5 and the rotating head body 6 are driven to continue to rotate through the cooperation between the second main gear 13 and another driven gear 7, so as to avoid the problem of immediate shutdown and maintenance after a set of gears are worn. Finally, when the device is running, the liquid pump 20 is started to pump the lubricating oil in the inner cavity of the transmission chamber 2 from the liquid pumping pipe 21 to the three-way nozzle 22, and the lubricating oil is sprayed from the end of the three-way nozzle 22 to the side of the driven gear 7, so as to lubricate the meshing parts of the driven gear 7 and the first main gear 18, and the driven gear 7 and the second main gear 13.

[0039] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A speed regulating device for a rotating head of an electric spark punching machine, comprising a drive box (1), characterized in that: The drive box (1) is provided with a transmission chamber (2) inside, the drive box (1) is provided with a drive chamber (3) inside, two slide grooves (4) are provided at the bottom of the inner cavity of the drive chamber (3), the inner cavity of the drive chamber (3) is provided with a second drive mechanism (19), the inner cavity of the drive chamber (3) is provided with a first drive mechanism (25), the bottom of the drive box (1) is rotatably connected to a transmission shaft (5), and the bottom end of the transmission shaft (5) is fixedly connected to a rotating head body (6), The top end of the transmission shaft (5) extends to the inner cavity of the transmission chamber (2) and is fixedly sleeved with two driven gears (7); a liquid pump (20) is fixedly installed on the back of the drive box (1); both ends of the liquid pump (20) are respectively fixedly connected to liquid pumping pipes (21); one end of one of the liquid pumping pipes (21) extends to the bottom of the inner cavity of the transmission chamber (2); the top end of the other liquid pumping pipe (21) extends to the top of the inner cavity of the transmission chamber (2) and is fixedly connected to a three-way nozzle (22).

2. The electric spark punching machine rotating head speed regulating device according to claim 1, characterized in that: The first driving mechanism (25) comprises a first mounting seat (26) fixedly connected to the bottom of the inner cavity of the driving chamber (3); a first electric push rod (14) is fixedly mounted on the first mounting seat (26); an output end of the first electric push rod (14) is fixedly connected to a first slide seat (15); a first motor (16) is fixedly mounted in the middle of the first slide seat (15); an output shaft of the first motor (16) extends to the inner cavity of a slide groove (4) and is fixedly connected to a first rotating rod (17); a bottom end of the first rotating rod (17) extends to the inner cavity of the transmission chamber (2) and is fixedly sleeved with a first main gear (18); the first main gear (18) and a driven gear (7) are meshed with each other.

3. The electric spark punching machine rotating head speed regulating device according to claim 2, characterized in that: The second driving mechanism (19) comprises a second mounting seat (8) fixedly connected to the bottom of the inner cavity of the driving chamber (3); a second electric push rod (9) is fixedly mounted on the second mounting seat (8); an output end of the second electric push rod (9) is fixedly connected to a second slide seat (10); a second motor (11) is fixedly mounted in the middle of the second slide seat (10); an output shaft of the second motor (11) extends to the inner cavity of another slide groove (4) and is fixedly connected to a second rotating rod (12); a bottom end of the second rotating rod (12) extends to the inner cavity of the transmission chamber (2) and is fixedly sleeved with a second main gear (13); the second main gear (13) and another driven gear (7) are matched in position.

4. The electric spark punching machine rotating head speed regulating device according to claim 1, characterized in that: A liquid filling plug (23) is threadedly mounted on the end of the drive box (1), and a liquid drain plug (24) is threadedly mounted on the end of the drive box (1), wherein the ends of the liquid filling plug (23) and the liquid drain plug (24) both extend to the inner cavity of the transmission chamber (2).

5. The electric spark punching machine rotating head speed regulating device according to claim 3, characterized in that: The bottom surfaces of the second slide seat (10) and the first slide seat (15) are in contact with the bottom surface of the inner cavity of the drive chamber (3).

6. The electric spark punching machine rotating head speed regulating device according to claim 3, characterized in that: The two output ends of the three-way nozzle (22) are respectively located on both sides of the two driven gears (7).

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