Machine head of electric spark machine tool

Abstract

The machine head of the electric spark machine tool comprises a mounting frame, a lifting sliding block is arranged on the inner side of the mounting frame in a sliding mode through a lead screw, an end support is arranged on one side of the lifting sliding block through a hydraulic cylinder, an electric spark machine head is arranged on the two sides of one end of the end support in a rotating mode through a rotating shaft and a connecting arm, and a spark electrode is arranged at the lower end of the electric spark machine head. The electric spark machine head is rotatably arranged on two sides of one end of the end support through the rotating shaft and the connecting arm, and the first motor is in transmission connection between the rotating shaft and the end support through the gear set, so that the rotating shaft is driven by the second motor and the gear set to rotate at a constant speed. And meanwhile, the electric spark machine head is driven by the hydraulic cylinder to transversely move, so that machining and using treatment of the machine heads with different transverse intervals are met, and the machining efficiency of the machine heads is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark machine tools, in particular to a machine head of an electric spark machine tool. Background Art

[0002] The EDM machine tool, also known as CNC EDM machine tool, EDM, spark machine, etc., is an electrical processing equipment. When the Soviet Lazarenko couple studied the phenomenon and cause of the damage of switch contacts by spark discharge corrosion, they found that the instantaneous high temperature of the electric spark can make the local metal melt, oxidize and corrode, thus creating and inventing the EDM method. The EDM machine tool is a special processing machine tool that uses the principle of EDM to process conductive materials, also known as the electro-erosion machine tool. The EDM machine tool is mainly used to process various high-hardness materials such as cemented carbide and hardened steel, and molds and parts of complex shapes, as well as cutting, grooving and removing tools such as drills and taps that are broken in the workpiece hole.

[0003] A novel head moving drive device for an electric spark machine tool with application number 201821651058.2 in the prior art includes a machine tool frame, and a support plate is welded on one side of the top of the machine tool frame. The utility model has a reasonable design and a simple structure. It can drive the screw rod to rotate by a driving motor, thereby improving the displacement accuracy of the head and facilitating the driving of a large-mass head, which is beneficial for use. However, it is not convenient to adjust the horizontal use angle of the electric spark head and the lateral use position of the head, thereby making it difficult to meet the processing and use of the head with different horizontal angles and lateral spacings, thereby affecting the efficiency of the head processing. Utility Model Content

[0004] The utility model aims to provide a head of an electric spark machine tool to solve the problem that the horizontal use angle and the lateral use position of the electric spark machine head are not easy to adjust in the prior art, so that it is difficult to meet the processing and use of the head with different horizontal angles and lateral spacings, thereby affecting the efficiency of the head processing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a head of an electric spark machine tool, including a mounting frame, a lifting slider is provided on the inner side of the mounting frame through the sliding of a lead screw, an end support is provided on one side of the lifting slider through a hydraulic cylinder, an electric spark head is provided on both sides of one end of the end support through a rotating shaft and a connecting arm for rotation, a spark electrode is provided at the lower end of the electric spark head, and a first motor is connected between the rotating shaft and the end support through a gear set.

[0006] Furthermore, a mounting plate is provided at one end of the mounting frame, and a mounting hole is opened inside the mounting plate.

[0007] Furthermore, a limiting sliding hole is provided inside one end of the mounting frame, and both sides of the lifting slider are slidably arranged with the limiting sliding hole.

[0008] Furthermore, the screw includes a screw rod rotatably arranged in the middle of the mounting frame, the screw rod has an external thread provided with a screw slide, the lifting slider is fixedly welded to the middle of one side of the screw slide, and one end of the screw rod is transmission-connected to a second motor.

[0009] Furthermore, a guide slider is provided on one side of the lead screw slide, and the guide slider is slidably arranged with a guide rod inside the mounting frame.

[0010] Furthermore, limiting support plates are provided on both sides of the end support, and the inside of the limiting support plates is slidably arranged through limiting holes and limiting protrusions on the outside of the lifting slider.

[0011] Furthermore, the first motor is fixedly arranged on the upper side of the end support, and the first motor is a stepping motor.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, since an EDM machine head is rotatably provided on both sides of one end of the end support through a rotating shaft and a connecting arm, a first motor is connected between the rotating shaft and the end support through a gear set transmission, so that the rotating shaft is driven to rotate at a constant speed by the first motor and the gear set, thereby being able to adjust the horizontal use angle of the EDM machine head, and at the same time, the EDM machine head is driven to move laterally by a hydraulic cylinder, thereby meeting the processing and use of the machine head with different lateral spacings, which is beneficial to improving the efficiency of the machine head processing.

[0014] 2. The utility model also has a lifting slider, an end support and an EDM machine head on the inner side of the mounting frame slidingly provided with a lead screw, so that the EDM machine head can be driven to lift and lower by the lead screw, and the adjustment is convenient, fast and has high precision. In addition, a guide slider is provided on one side of the lead screw slide, and the guide slider is slidably arranged with the guide rod inside the mounting frame. A limited sliding hole is provided inside one end of the mounting frame, and the two sides of the lifting slider are slidably arranged with the limited sliding hole, so that the guide slider can be slidably guided when being lifted and lowered, which is beneficial to improving the stability of the guide slider and the EDM machine head lifting and lowering adjustment.

[0015] 3. The utility model also provides limit support plates on both sides of the end supports, and the limit support plates are slidably arranged through limit holes inside and limit protrusions on the outside of the lifting slider, so that the end supports can be slidingly limited when moving laterally, which is beneficial to improving the stability of the lateral movement adjustment of the EDM machine head. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1This is the overall structural front view of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the lifting slide block and the EDM machine head of the utility model;

[0019] Figure 3 This is a schematic diagram of the mounting frame structure of the utility model.

[0020] In the figure: 1. mounting frame; 2. limiting sliding hole; 3. lead screw; 4. second motor; 5. lead screw slide; 6. lifting slider; 7. end support; 8. rotating shaft; 9. EDM machine head; 10. spark electrode; 11. gear set; 12. first motor; 13. guide slider; 14. guide rod; 15. hydraulic cylinder; 16. mounting plate; 17. limiting protrusion; 18. limiting support plate; 19. connecting arm. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 In the embodiment of the utility model, a head of an electric spark machine tool includes a mounting frame 1, a lifting slide block 6 is provided inside the mounting frame 1 through a lead screw sliding, an end support 7 and an electric spark machine head 9 are provided on one side of the lifting slide block 6 through a hydraulic cylinder 15, and a spark electrode 10 is provided at the lower end of the electric spark machine head 9. The lead screw includes a lead screw 3 rotatably arranged in the middle of the mounting frame 1, and a lead screw slide seat 5 is provided on the external thread of the lead screw 3. The lifting slide block 6 is fixedly welded in the middle of one side of the lead screw slide seat 5, and a second motor 4 is connected to one end of the lead screw 3 in a transmission manner, so that the electric spark machine head 9 is lifted and adjusted by driving the lead screw, and the adjustment is convenient, fast and high in precision. A limited sliding hole 2 is provided inside one end of the mounting frame 1, and both sides of the lifting slide block 6 are slidably arranged with the limited sliding hole 2. A guide slide block 13 is provided on one side of the lead screw slide seat 5, and the guide slide block 13 is slidably arranged with a guide rod 14 inside the mounting frame 1, so that the guide slide block 13 can be slidably guided when the lifting and lowering adjustment is performed, which is beneficial to improving the stability of the lifting and lowering adjustment of the guide slide block 13 and the electric spark machine head 9.

[0023] like Figure 2 and Figure 3As shown, in order to adjust the horizontal angle of the EDM machine head 9, one end of the EDM machine head 9 is rotatably connected to one end of the end support 7 through a rotating shaft 8 and a connecting arm 19, and a first motor 12 is connected between the rotating shaft 8 and the end support 7 through a gear set 11. The first motor 12 is fixedly arranged on the upper side of the end support 7, and the first motor 12 adopts a stepping motor. The rotating shaft 8 is driven to rotate at a constant speed by the first motor 12 and the gear set 11, so that the horizontal use angle of the EDM machine head 9 can be adjusted. At the same time, the EDM machine head 9 can be driven to move laterally through the hydraulic cylinder 15, so as to meet the processing and use of the machine head with different lateral spacings, which is beneficial to improving the efficiency of the machine head processing.

[0024] like Figure 1 and Figure 2 As shown, a mounting plate 16 is provided at one end of the mounting frame 1, and a mounting hole is provided inside the mounting plate 16, so that one end of the mounting frame 1 can be easily installed and fixed.

[0025] like Figure 2 and Figure 3 As shown, in order to improve the stability of the lateral movement adjustment of the EDM machine head 9, limit support plates 18 are also provided on both sides of the end support 7, and the limit support plates 18 are slidably arranged through the limit holes and the limit protrusions 17 on the outside of the lifting slider 6, so that the end support 7 can be slidingly limited when moving laterally, which is beneficial to improving the stability of the lateral movement adjustment of the EDM machine head 9.

[0026] The working principle and use process of the utility model are as follows: when in use, the EDM machine head 9 is installed on the machine body through the mounting frame 1, and the rotating shaft 8 is driven to rotate at a constant speed by the first motor 12 and the gear set 11, so that the horizontal use angle of the EDM machine head 9 can be adjusted. At the same time, the EDM machine head 9 can be driven to move laterally by the hydraulic cylinder 15, so as to meet the processing and use of the machine head with different lateral spacings, which is beneficial to improving the efficiency of the machine head processing.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A head of an electric spark machine tool, comprising a mounting frame (1), characterized in that: A lifting slide block (6) is provided inside the mounting frame (1) through a screw for sliding movement, an end support (7) is provided on one side of the lifting slide block (6) through a hydraulic cylinder (15), an electric spark machine head (9) is rotatably provided on both sides of one end of the end support (7) through a rotating shaft (8) and a connecting arm (19), a spark electrode (10) is provided at the lower end of the electric spark machine head (9), and a first motor (12) is transmission-connected between the rotating shaft (8) and the end support (7) through a gear set (11).

2. The head of an electric spark machine tool according to claim 1, characterized in that: A mounting plate (16) is provided at one end of the mounting frame (1), and a mounting hole is provided inside the mounting plate (16).

3. The head of an electric spark machine tool according to claim 2, characterized in that: A limiting sliding hole (2) is provided inside one end of the mounting frame (1), and both sides of the lifting slider (6) are slidably arranged with the limiting sliding hole (2).

4. The head of an electric spark machine tool according to claim 1, characterized in that: The lead screw comprises a lead screw (3) rotatably arranged in the middle of the mounting frame (1); the lead screw (3) is provided with a lead screw slide (5) on the outside with threads; the lifting slider (6) is fixedly welded to the middle of one side of the lead screw slide (5); and one end of the lead screw (3) is drivingly connected to a second motor (4).

5. The head of an electric spark machine tool according to claim 4, characterized in that: A guide slider (13) is provided on one side of the lead screw slide (5), and the guide slider (13) is slidably arranged with a guide rod (14) inside the mounting frame (1).

6. The head of an electric spark machine tool according to claim 1, characterized in that: Limiting support plates (18) are also provided on both sides of the end support (7), and the inside of the limiting support plate (18) is slidably arranged through the limiting hole and the limiting protrusion (17) on the outside of the lifting slide block (6).

7. The head of an electric spark machine tool according to claim 1, characterized in that: The first motor (12) is fixedly arranged on the upper side of the end support (7), and the first motor (12) is a stepping motor.

Images