A Z-axis locking and linkage protection device for electric spark wire cutting machine tools

Abstract

The invention discloses a Z-axis locking and linkage protection device for an electric spark wire cutting machine, comprising a motor, an output shaft of the motor fixedly connected to a first transmission rod, an end of the first transmission rod away from the motor fixedly connected to a first gear, one side of the motor slidably connected to the Z-axis of the machine tool, a side of the Z-axis of the machine tool away from the motor slidably connected to a second fixed plate, and one side of the second fixed plate fixedly connected to two transmission components; the invention aims at the problem that when the Z-axis of the electric spark wire cutting machine is still in a locked state, the motor starts to perform a lifting action, which easily leads to the burning of the motor. The invention utilizes the combination of a power supply component and a transmission component to prevent the motor from starting when the Z-axis of the electric spark wire cutting machine is in a locked state, thereby protecting the motor, and releasing the lock of the Z-axis when the motor can be started, so that the motor can move along the Z-axis for work.

Description

Technical Field

[0001] The invention relates to the technical field of machine tool protection, in particular to a Z-axis locking and linkage protection device for an electric spark wire cutting machine tool. Background Art

[0002] The electric spark wire cutting machine belongs to the category of electrical processing. When studying the phenomenon and cause of switch contacts being damaged by spark discharge corrosion, it was found that the instantaneous high temperature of the electric spark can melt, oxidize and corrode the local metal, thus creating and inventing the electric spark processing method. Later, after research and development, there are now very mature technologies and equipment.

[0003] Wire EDM is mainly used for manufacturing various molds, electrodes, precision parts, and complex cavity and curved surface processing of various conductive bodies such as cemented carbide, hardened steel, graphite, aluminum alloy, structural steel, stainless steel, titanium alloy, diamond, etc. It adopts computer control system, full Chinese automatic drawing programming, control software, track and time display during processing, and the processing status can be understood at any time. The wire has multiple cutting functions. The existing wire EDM lacks Z-axis linkage protection device. When the Z-axis is still in the locked state, the motor starts to lift and lower, which can easily cause the motor to burn out. Therefore, a Z-axis locking and linkage protection device for wire EDM is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a Z-axis locking and linkage protection device for an electric spark wire cutting machine tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A Z-axis locking and linkage protection device for an electric spark wire cutting machine tool, comprising a motor, an output shaft of the motor is fixedly connected to a first transmission rod, an end of the first transmission rod away from the motor is fixedly connected to a first gear, one side of the motor is slidably connected to the Z-axis of the machine tool, a side of the Z-axis of the machine tool away from the motor is slidably connected to a second fixed plate, one side of the second fixed plate is fixedly connected to two transmission assemblies, the transmission assembly comprises a first housing, a second bearing, a third transmission rod, a second gear and a second fixed rod, an outer sleeve of the transmission assembly is provided with a Z-axis ram, the second fixed rod passes through one side of the Z-axis ram, one side of the Z-axis ram is fixedly connected to the first fixed rod, the outer side walls of the first fixed rod are respectively hinged with a handle and a metal sheet, the side of the second fixed plate away from the Z-axis of the machine tool is fixedly connected to a power supply assembly, and the power supply assembly comprises a circuit switch, a third fixed plate and a metal rod.

[0006] As a further preferred embodiment of the present technical solution: the number of the second bearings is two, the inner side walls of the first shell are symmetrically fixedly connected to the outer rings of the two second bearings, the inner rings of the two second bearings are fixedly connected to the outer side walls of the third transmission rod, one end of the third transmission rod passes through one side of the first shell and is fixedly connected to one end of the second gear, the outer side wall of the second gear is meshed with one side of the Z-axis of the machine tool, and one end of the second fixed rod passes through one side of the first shell.

[0007] As a further preferred embodiment of the technical solution: a through hole is formed on the outer wall of the metal sheet, and the inner side of the through hole is electrically connected to the electrical input terminal of the motor.

[0008] As a further preferred embodiment of the technical solution: the metal rod is electrically connected to the electrical output end of the circuit switch, a groove is provided at the top of the third fixing plate, and one side of the third fixing plate is fixedly connected to one side of the circuit switch.

[0009] As a further preferred embodiment of the present technical solution: a first fixed plate is fixedly connected to a side of the motor away from the Z-axis of the machine tool, a first bearing is fixedly connected to one side of the first fixed plate, a second transmission rod is fixedly connected to the inner ring of the first bearing, a third gear is fixedly connected to the outer wall of the second transmission rod, and the outer wall of the third gear is meshed with the outer wall of the first gear.

[0010] As a further preferred embodiment of the present technical solution: an end of the second transmission rod away from the first fixed plate is fixedly connected to a fourth gear, and an outer side wall of the fourth gear is meshed with one side of the Z-axis of the machine tool.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: in order to solve the problem that when the Z-axis of the wire-cut electric discharge machine is still in a locked state, the motor starts to perform a lifting action, which may easily cause the motor to burn out, the present invention utilizes a combination of a power supply component and a transmission component to prevent the motor from starting when the Z-axis of the wire-cut electric discharge machine is in a locked state, thereby protecting the motor, and releases the lock of the Z-axis when the motor can be started, so that the motor can move along the Z-axis to work. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 is a cross-sectional view of the present invention;

[0014] Figure 3 It is a left view of the present invention.

[0015] In the figure: 1. motor; 2. first transmission rod; 3. first gear; 4. first fixed plate; 5. first bearing; 6. second transmission rod; 7. machine tool Z-axis; 8. second fixed plate; 9. first shell; 10. second bearing; 11. third transmission rod; 12. power supply assembly; 13. second gear; 14. Z-axis slide; 15. first fixed rod; 16. handle; 17. metal sheet; 18. through hole; 19. second fixed rod; 20. circuit switch; 21. third gear; 22. transmission assembly; 23. third fixed plate; 24. metal rod; 25. fourth gear. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] Example:

[0018] See also Figure 1-3 The present invention provides a technical solution: a Z-axis locking and linkage protection device for an electric spark wire cutting machine tool, comprising a motor 1, an output shaft of the motor 1 is fixedly connected to a first transmission rod 2, an end of the first transmission rod 2 away from the motor 1 is fixedly connected to a first gear 3, one side of the motor 1 is slidably connected to a machine tool Z-axis 7, a side of the machine tool Z-axis 7 away from the motor 1 is slidably connected to a second fixed plate 8, one side of the second fixed plate 8 is fixedly connected to two transmission components 22, the transmission component 22 comprises a first housing 9, a second bearing 10, a third transmission rod 11, a second gear 13 and a second fixed rod 19, an outer sleeve of the transmission component 22 is provided with a Z-axis ram 14, the second fixed rod 19 penetrates one side of the Z-axis ram 14, one side of the Z-axis ram 14 is fixedly connected to a first fixed rod 15, the outer side walls of the first fixed rod 15 are respectively hinged with a handle 16 and a metal sheet 17, and the side of the second fixed plate 8 away from the machine tool Z-axis 7 is fixedly connected to a power supply component 12, and the power supply component 12 comprises a circuit switch 20, a third fixed plate 23 and a metal rod 24.

[0019] In this embodiment, specifically: the number of second bearings 10 is two, the inner side walls of the first shell 9 are symmetrically fixedly connected to the outer rings of the two second bearings 10, the inner rings of the two second bearings 10 are fixedly connected to the outer side walls of the third transmission rod 11, one end of the third transmission rod 11 passes through one side of the first shell 9 and is fixedly connected to one end of the second gear 13, the outer side wall of the second gear 13 is meshed with one side of the machine tool Z axis 7, and one end of the second fixed rod 19 passes through one side of the first shell 9; the setting of the first shell 9 can fix and support the second bearings 10, the setting of the second bearings 10 can fix and support the second gear 13, and the setting of the second fixed rod 19 can squeeze the third transmission rod 11, so that the third transmission rod 11 cannot rotate, so that the second gear 13 clamps and locks the machine tool Z axis 7.

[0020] In this embodiment, specifically: a through hole 18 is formed on the outer wall of the metal sheet 17 , and the inner side of the through hole 18 is electrically connected to the electrical input terminal of the motor 1 .

[0021] In this embodiment, specifically: the metal rod 24 is electrically connected to the electrical output end of the circuit switch 20, a groove is provided at the top of the third fixing plate 23, and one side of the third fixing plate 23 is fixedly connected to one side of the circuit switch 20; the circuit switch 20 can fix and support the metal rod 24.

[0022] In this embodiment, specifically: a first fixed plate 4 is fixedly connected to a side of the motor 1 away from the Z-axis 7 of the machine tool, a first bearing 5 is fixedly connected to one side of the first fixed plate 4, a second transmission rod 6 is fixedly connected to the inner ring of the first bearing 5, a third gear 21 is fixedly connected to the outer wall of the second transmission rod 6, and the outer wall of the third gear 21 is meshed with the outer wall of the first gear 3; the setting of the first fixed plate 4 can fix and support the first bearing 5, the setting of the first bearing 5 can fix and support the second transmission rod 6, and the setting of the third gear 21 can be driven to rotate when the first gear 3 rotates, thereby rotating the second transmission rod 6.

[0023] In this embodiment, specifically: one end of the second transmission rod 6 away from the first fixed plate 4 is fixedly connected to the fourth gear 25, and the outer wall of the fourth gear 25 is engaged with one side of the machine tool Z-axis 7; when the second transmission rod 6 rotates, the fourth gear 25 can rotate, so that it can move up and down on the Z-axis.

[0024] Working principle or structural principle, when in use, hold the handle 16 and rotate it, when the metal sheet 17 squeezes the second fixed rod 19, the second fixed rod 19 squeezes the third transmission rod 11, so that the third transmission rod 11 cannot rotate, so that the second gear 13 locks the machine tool Z axis 7, at this time, the motor 1 cannot operate due to the lack of circuit flow, when the staff accidentally touches the switch of the motor 1, the motor 1 cannot operate, so it is protected, when the handle 16 is rotated, the metal sheet 17 enters the slot of the third fixed plate 23 and hangs the through hole 18 on the outer wall of the metal rod 24, the third transmission rod 11 is released, the second gear 13 releases the blockade of the machine tool Z axis 7, the motor 1 is electrically connected to the circuit switch 20 through the metal sheet 17 and the metal rod 24, so that the motor 1 can be started, after the motor 1 is started, the first gear 3 is rotated through the first transmission rod 2, and while the first gear 3 rotates, the third gear 21 is rotated, so that the second transmission rod 6 drives the fourth gear 25 to rotate, so that it can move up and down on the Z axis.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A Z-axis locking and linkage protection device for an electric spark wire cutting machine tool, comprising a motor (1), characterized in that: The output shaft of the motor (1) is fixedly connected to a first transmission rod (2); one end of the first transmission rod (2) away from the motor (1) is fixedly connected to a first gear (3); one side of the motor (1) is slidably connected to a machine tool Z axis (7); a side of the machine tool Z axis (7) away from the motor (1) is slidably connected to a second fixed plate (8); one side of the second fixed plate (8) is fixedly connected to two transmission assemblies (22); the transmission assemblies (22) include a first housing (9), a second bearing (10), a third transmission rod (11), a second gear (13) and a second fixed plate (8). A fixed rod (19), the transmission assembly (22) is sleeved with a Z-axis ram (14) on its exterior, the second fixed rod (19) passes through one side of the Z-axis ram (14), one side of the Z-axis ram (14) is fixedly connected to a first fixed rod (15), an outer side wall of the first fixed rod (15) is hinged with a handle (16) and a metal sheet (17), and a side of the second fixed plate (8) away from the machine tool Z-axis (7) is fixedly connected to a power supply assembly (12), the power supply assembly (12) comprising a circuit switch (20), a third fixed plate (23) and a metal rod (24).

2. The Z-axis locking and linkage protection device for a wire-cut electric discharge machine tool according to claim 1, characterized in that: The number of the second bearings (10) is two, the inner side walls of the first housing (9) are symmetrically fixedly connected to the outer rings of the two second bearings (10), the inner rings of the two second bearings (10) are fixedly connected to the outer side walls of the third transmission rod (11), one end of the third transmission rod (11) passes through one side of the first housing (9) and is fixedly connected to one end of the second gear (13), the outer side wall of the second gear (13) is meshed with one side of the Z axis (7) of the machine tool, and one end of the second fixing rod (19) passes through one side of the first housing (9).

3. The Z-axis locking and linkage protection device for a wire-cut electric discharge machine tool according to claim 1, characterized in that: A through hole (18) is provided on the outer wall of the metal sheet (17), and the inner side of the through hole (18) is electrically connected to the electrical input end of the motor (1).

4. The Z-axis locking and linkage protection device for a wire-cut electric discharge machine tool according to claim 1, characterized in that: The metal rod (24) is electrically connected to the electrical output end of the circuit switch (20); a groove is provided at the top of the third fixing plate (23); and one side of the third fixing plate (23) is fixedly connected to one side of the circuit switch (20).

5. The Z-axis locking and linkage protection device for a wire-cut electric discharge machine tool according to claim 1, characterized in that: A first fixed plate (4) is fixedly connected to a side of the motor (1) away from the Z axis (7) of the machine tool; a first bearing (5) is fixedly connected to one side of the first fixed plate (4); a second transmission rod (6) is fixedly connected to the inner ring of the first bearing (5); a third gear (21) is fixedly connected to the outer wall of the second transmission rod (6); and the outer wall of the third gear (21) meshes with the outer wall of the first gear (3).

6. The Z-axis locking and linkage protection device for a wire-cut electric discharge machine tool according to claim 5, characterized in that: One end of the second transmission rod (6) away from the first fixed plate (4) is fixedly connected to a fourth gear (25), and an outer side wall of the fourth gear (25) is meshed with one side of the machine tool Z axis (7).

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