Multi-machine-head structure for spark machine and machine tool

Abstract

The invention discloses a multi-machine-head structure for a spark machine and a machine tool, which can realize the integration of an X-axis moving module and other machine tools and improve the flexibility of equipment. The device comprises an X-axis linear module, a Y-axis moving part, a Z-axis moving part and an electric discharge machining machine head. The X-axis linear module comprises an auxiliary base and X-axis moving parts, the two X-axis moving parts are installed on the auxiliary base, and the X-axis moving parts are used for moving left and right on the auxiliary base; the Y-axis moving part is mounted on the X-axis moving part, and the Y-axis moving part is used for moving back and forth on the X-axis moving part; the Z-axis moving part is mounted on the Y-axis moving part, and the Z-axis moving part is used for moving up and down on the Y-axis moving part; and the electric discharge machining machine head is mounted on the Z-axis moving part.

Description

Technical Field

[0001] The present application relates to the technical field of machine tool components, and in particular to a multi-head structure and a machine tool for a spark machine. Background Art

[0002] In the field of modern industrial automation and precision machining, with the continuous improvement of production efficiency and machining accuracy requirements, traditional machining equipment has been unable to meet the complex and changing machining needs.

[0003] At present, processing equipment usually adopts a single moving module, such as X-axis, Y-axis or Z-axis moving module, to realize the movement or processing of workpieces in a single dimension. When dealing with processing tasks that require multi-dimensional simultaneous or alternating operations, this structure often needs to process different parts of the workpiece simultaneously or sequentially, and the single head structure often needs to be completed through multiple displacements and repositioning, which not only increases the processing time, but may also affect the processing accuracy due to errors introduced by multiple positioning. In addition, traditional single moving modules are fixed on the corresponding machine tools, cannot be integrated, and have poor flexibility. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a multi-head structure and a machine tool for a spark machine.

[0005] The technical solution provided in this application is described below:

[0006] In a first aspect, the present application provides a multi-head structure for a spark machine, comprising: an X-axis linear module, a Y-axis moving component, a Z-axis moving component and an electrical discharge machining head;

[0007] The X-axis linear module includes an auxiliary base and an X-axis moving component, at least two X-axis moving components are installed on the auxiliary base, and the X-axis moving component is used to move left and right on the auxiliary base;

[0008] The Y-axis moving component is installed on the X-axis moving component, and the Y-axis moving component is used to move forward and backward on the X-axis moving component;

[0009] The Z-axis moving component is installed on the Y-axis moving component, and the Z-axis moving component is used to move up and down on the Y-axis moving component;

[0010] The electrical discharge machining head is mounted on the Z-axis moving component.

[0011] Optionally, the X-axis moving component, the Y-axis moving component and the Z-axis moving component are independent of each other.

[0012] Optionally, the auxiliary base is provided with a guide rail base, a track body and a guide groove;

[0013] The guide rail base is arranged on both sides of the outside of the auxiliary base, and the track body is fixed on the guide rail base;

[0014] The guide groove is arranged on the track body, and the length of the guide groove is matched with the length of the track body.

[0015] Optionally, the X-axis moving component includes an X-axis slide and a guide block;

[0016] The X-axis ram is movably mounted on the track body;

[0017] The guide block is installed on the X-axis slide, and the guide block is used to be placed in the guide groove. The guide block cooperates with the guide groove to enable the X-axis moving component to move following the track body on the auxiliary base.

[0018] Optionally, the Y-axis moving component includes a Y-axis fixed seat and a Y-axis slide;

[0019] The Y-axis fixing seat is installed on the X-axis ram;

[0020] The Y-axis slide is movably mounted on the Y-axis fixing seat.

[0021] Optionally, a receiving slot is provided at one end of the Y-axis slide, and the Z-axis moving component can be movably installed in the receiving slot.

[0022] Optionally, guide rail grooves are provided on both sides of the receiving slot, and guide rails are installed inside the guide rail grooves;

[0023] The Z-axis moving component includes a Z-axis fixed seat and a guide rail module. The guide rail module is installed outside the Z-axis fixed seat, and the Z-axis fixed seat can be movably installed in the guide rail through the guide rail module.

[0024] Optionally, the electrical discharge machining head can be detachably mounted on the Z-axis fixing seat.

[0025] Optionally, an assembly component is connected to the auxiliary base, and the assembly component cooperates with a connecting piece to assemble the auxiliary double-head structure on a machine tool.

[0026] A second aspect of the present application provides a machine tool, comprising: a machine tool body and a multi-head structure for a spark machine as described in the first aspect and any one of the first aspects, wherein the multi-head structure for a spark machine can be detachably mounted on the machine tool body.

[0027] It can be seen from the above technical solutions that this application has the following advantages:

[0028] The multi-head structure for a spark machine provided in the present application integrates two lower X-axis moving parts in an X-axis moving module, and sequentially superimposes a Y-axis moving part and a Z-axis moving part on the basis of the X-axis moving part, and installs an electric discharge machining head on the Z-axis moving part, so that the auxiliary dual-head mechanism forms a structure that can move freely in three-dimensional space, thereby helping to improve machining efficiency; and the above-mentioned components are all integrated in the X-axis moving module, which can realize the integration of the X-axis moving module with other machine tools and improve the flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solution in the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 The overall structural diagram of the multi-head structure for the spark machine provided in this application;

[0031] Figure 2 A schematic front view of the multi-head structure for a spark machine provided in the present application;

[0032] Figure 3 A schematic diagram of a top view of a multi-head structure for a spark machine provided in the present application;

[0033] Figure 4 A rear view schematic diagram of a multi-head structure for a spark machine provided in the present application;

[0034] Figure 5 A side view schematic diagram of a multi-head structure for a spark machine provided in the present application;

[0035] Figure 6 for Figure 5 A schematic diagram of the structure of part A in the middle;

[0036] Figure 7 This is a schematic diagram of the application of the multi-head structure of the spark machine used in this application being placed on a machine tool;

[0037] In the figure: 1. X-axis linear module; 11. Auxiliary base; 12. X-axis moving part; 2. Y-axis fixed seat; 3. Y-axis slide; 4. Z-axis fixed seat; 5. EDM head; 6. Guide rail module; 7. Machine tool body. DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0039] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0040] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, left, right, front, back, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution. In addition, the identification of specific steps below does not represent a limitation on the order of steps and execution logic, and the execution order and execution logic between each step should be understood and inferred with reference to the contents described in the embodiment.

[0043] See also Figures 1 to 6The present application provides a multi-head structure for a spark machine, comprising: an X-axis linear module 1, a Y-axis moving component, a Z-axis moving component and an electric discharge machining head 5; the X-axis linear module 1 comprises an auxiliary base 11 and an X-axis moving component 12, at least two X-axis moving components 12 are installed on the auxiliary base 11, and the X-axis moving component 12 is used to move left and right on the auxiliary base 11; the Y-axis moving component is installed on the X-axis moving component 12, and the Y-axis moving component is used to move forward and backward on the X-axis moving component 12; the Z-axis moving component is installed on the Y-axis moving component, and the Z-axis moving component is used to move up and down on the Y-axis moving component; the electric discharge machining head 5 is installed on the Z-axis moving component.

[0044] First, the functions of each component are described:

[0045] Auxiliary base 11: As the basic support platform of the entire multi-head structure, it provides a stable installation foundation for other components, ensures the stability and accuracy of the entire multi-head structure during operation, and withstands the weight and force generated by the movement of the upper components.

[0046] X-axis moving component 12: Two X-axis moving components 12 are installed on the auxiliary base 11, and can move along the X-axis direction, that is, the left and right direction. By moving left and right, the lateral position of the Y-axis moving component and all components installed thereon on the horizontal plane is adjusted to achieve flexible adjustment of the processing position.

[0047] Y-axis moving component: installed on the X-axis moving component 12, it can move along the Y-axis direction, that is, the front-to-back direction, and cooperate with the X-axis moving component 12 to achieve accurate positioning of the processing position on the horizontal plane, thereby increasing the flexibility and range of processing.

[0048] Z-axis moving component: installed on the Y-axis moving component, it can move along the Z-axis direction, that is, the up and down direction. By moving up and down, the height of the EDM head 5 is adjusted to achieve precise control of the processing depth or processing height to meet different processing requirements.

[0049] Discharge machining head 5: It is installed on the Z-axis moving part and is the execution part for executing the processing task. It can accurately process the workpiece by discharge machining according to the processing requirements, such as drilling, cutting, engraving, etc.

[0050] The working principle of the whole equipment:

[0051] The multi-head structure realizes the three-dimensional precise positioning and movement of the EDM head 5 in space through the coordinated work of the three-axis moving parts.

[0052] Initial positioning: First, according to the requirements of the processing task, the EDM head 5 is moved to the horizontal coordinate point of the processing position by controlling the X-axis moving component 12 and the Y-axis moving component.

[0053] Height adjustment: Next, the height of the EDM head 5 is adjusted by the Z-axis moving component to ensure that the relative position between the EDM head 5 and the workpiece meets the processing requirements.

[0054] Processing execution: After accurate positioning, the EDM head 5 starts to work and performs EDM on the workpiece according to preset processing parameters and procedures.

[0055] Processing completed: After processing is completed, each moving part returns to its initial position or the position ready for the next processing according to the instructions.

[0056] In this way, the multi-head structure can achieve efficient and accurate EDM, and is suitable for various occasions requiring high-precision machining. At the same time, due to its compact structure and flexible movement, it also improves the convenience and efficiency of machining.

[0057] And because the above components are all integrated in the X-axis moving module, modular block assembly is realized, so that the X-axis moving module can be integrated with other machine tools, thereby improving the flexibility of the equipment.

[0058] Optionally, the X-axis moving component 12, the Y-axis moving component and the Z-axis moving component are independent of each other.

[0059] In the embodiment of the present application, the X-axis moving component 12, the Y-axis moving component and the Z-axis moving component are respectively responsible for movement in different directions, wherein the X-axis moving component 12 is used for left and right movement, the Y-axis moving component is used for front and back movement, and the Z-axis moving component is used for up and down movement. By setting the X-axis moving component 12, the Y-axis moving component and the Z-axis moving component to work independently of each other, it can be ensured that each component can be used for its specific direction of movement, and the independence from each other enables each component to be precisely adjusted according to processing requirements without interfering with each other, thereby improving processing flexibility and efficiency.

[0060] Optionally, the auxiliary base 11 is provided with a guide rail base, a track body and a guide groove, the guide rail base is arranged on both sides of the outside of the auxiliary base 11, and the track body is fixed on the guide rail base; the track body is provided with the guide groove, and the length of the guide groove is adapted to the length of the track body.

[0061] In the embodiment of the present application, the guide rail base is arranged on the auxiliary base 11, located on both sides of the outside of the auxiliary base 11, and the track body is fixed on the auxiliary base 11, wherein the function of the guide rail base is to support the track body and provide it with a stable installation foundation, and the track body is fixed on the guide rail base, and the track body has sufficient strength and rigidity to withstand the weight and movement force from the X-axis moving component 12 and the components installed thereon, so that the X-axis moving component 12 can move on the track body.

[0062] The rail body is fixed by bolt connection or welding to ensure that it will not loosen or fall off during use.

[0063] The guide groove is arranged along the length direction of the track body, and the main function of the guide groove is to guide the X-axis moving part 12 to move smoothly and accurately on the track body. The length of the guide groove is adapted to the length of the track body, that is, the guide groove can cover the entire length range of the track body, thereby ensuring that the X-axis moving part 12 can be effectively guided and supported at any position.

[0064] By providing a guide rail base, a rail body and a guide groove, a stable and reliable guide rail system can be formed on the auxiliary base 11 to provide precise guidance for the X-axis moving component 12.

[0065] Optionally, the X-axis moving component 12 includes an X-axis slide and a guide block; the X-axis slide is movably mounted on the track body; the guide block is mounted on the X-axis slide, the guide block is used to be placed in the guide groove, and the guide block cooperates with the guide groove to enable the X-axis moving component 12 to move following the track body on the auxiliary base 11.

[0066] In the embodiment of the present application, the X-axis slide is the main component of the X-axis moving part 12. The X-axis slide can be movably installed on the track body, which can be achieved by pulleys, sliders or rollers to ensure that the X-axis slide can move steadily and smoothly along the track body.

[0067] The guide block is installed on the X-axis ram to ensure that the X-axis moving component 12 can maintain the correct direction and position during the movement. The guide block cooperates with the guide groove. When the X-axis ram moves, the guide block moves along the guide groove, thereby ensuring that the moving track of the X-axis moving component 12 is consistent with the direction of the track body. This cooperation not only improves the moving accuracy of the X-axis moving component 12, but also reduces friction and wear during the movement process, thereby extending the service life of the component.

[0068] When the X-axis moving part 12 needs to be moved, the driving mechanism applies force to the X-axis ram to move it along the track body. During the movement, the guide block moves along the guide groove to ensure that the movement trajectory of the X-axis moving part 12 is correct and stable. By controlling the output of the driving mechanism, the X-axis moving part 12 can be accurately moved and positioned.

[0069] Optionally, the Y-axis moving component includes a Y-axis fixed seat 2 and a Y-axis slide 3, and the Y-axis fixed seat 2 is installed on the X-axis slide; the Y-axis slide 3 is movably installed on the Y-axis fixed seat 2.

[0070] In the embodiment of the present application, the Y-axis moving component is composed of two parts: a Y-axis fixing seat 2 and a Y-axis ram 3. The Y-axis moving component realizes movement in the Y-axis direction, that is, the front-back direction.

[0071] Specifically, the Y-axis fixed seat 2 is the supporting structure of the Y-axis moving component, and the Y-axis fixed seat 2 is installed on the X-axis slide, thereby ensuring that the Y-axis moving component can remain stable when the X-axis moves, and will not shake or deviate due to the movement of the X-axis.

[0072] The Y-axis ram 3 is the part of the Y-axis moving component that is responsible for the actual movement, and is movably mounted on the Y-axis fixed seat 2, which can be realized by a mechanism such as a pulley, a slider, a guide rail or a roller, which is not specifically limited here. The movable mounting method allows the Y-axis ram 3 to move steadily and smoothly along the Y-axis direction on the Y-axis fixed seat 2, thereby realizing the forward and backward movement of the Y-axis moving component.

[0073] Among them, when it is necessary to move the Y-axis moving component, a force is applied to the Y-axis slide 3 through the driving mechanism to make it move back and forth along the Y-axis fixed seat 2. Since the Y-axis fixed seat 2 is firmly installed on the X-axis slide, the movement of the Y-axis moving component will not be affected by the X-axis movement, ensuring the accuracy and stability of the movement.

[0074] Optionally, a receiving slot is provided at one end of the Y-axis slide 3, and the Z-axis moving component can be movably installed in the receiving slot, guide rail slots are provided on both sides of the inside of the receiving slot, and guide rails are installed inside the guide rail slots. The Z-axis moving component includes a Z-axis fixed seat 4 and a guide rail module 6, and the guide rail module 6 is installed on the outside of the Z-axis fixed seat 4. The Z-axis fixed seat 4 can be movably installed in the guide rail through the guide rail module 6.

[0075] In the embodiment of the present application, a receiving slot is provided at one end of the Y-axis ram 3, and the receiving slot is provided for installing and supporting the Z-axis moving component. By providing the receiving slot, it can be ensured that the Z-axis moving component can move stably and smoothly therein.

[0076] Specifically, guide rail grooves are provided on both sides of the interior of the accommodating slot, guide rails are installed in the guide rail grooves, the shape and size of the guide rail grooves match the guide rails, and the guide rails cooperate with the guide rail grooves to guide the Z-axis moving component to move up and down precisely in the accommodating slot.

[0077] Among them, the Z-axis moving component consists of two parts: a Z-axis fixed seat 4 and a guide rail module 6. The Z-axis fixed seat 4 is the main structure of the Z-axis moving component, carrying other components and loads. The guide rail module 6 is installed on both sides of the Z-axis fixed seat 4. The guide rail module 6 cooperates with the guide rail to realize the movable installation of the Z-axis fixed seat 4 on the guide rail.

[0078] Optionally, the electrical discharge machining head 5 can be detachably mounted on the Z-axis fixing seat 4 .

[0079] In the embodiment of the present application, the EDM head 5 is a component for performing EDM, and the EDM head 5 is detachably mounted on the Z-axis fixing seat 4. The EDM head 5 can be conveniently disassembled and replaced according to processing requirements or maintenance needs.

[0080] The detachable installation is usually achieved by bolt connection or snap connection mechanism, which is not specifically limited here. The above connection method can ensure the stability and safety of the EDM head 5 during the machining process, and also facilitate the user to perform disassembly and installation operations.

[0081] Specifically, when installing the EDM head 5, it is necessary to first move the Z-axis fixing seat 4 to a suitable position and ensure that it is stable and immovable. Then, align the EDM head 5 with the mounting interface on the Z-axis fixing seat 4 and fix it using a suitable connection method.

[0082] When disassembling the EDM head 5 , the user needs to first loosen the connection mechanism and then remove the EDM head 5 from the Z-axis fixing seat 4 .

[0083] By setting the connection mode to be detachable, the EDM head 5 of different models or specifications can be easily replaced to meet different processing requirements, and it is also convenient for the user to maintain and service the EDM head 5, thereby extending its service life.

[0084] Optionally, an assembly component is connected to the auxiliary base 11, and the assembly component cooperates with the connecting piece to assemble the auxiliary double-head structure on the machine tool.

[0085] In the embodiment of the present application, the assembly component is a component that connects the auxiliary base 11 and the machine tool. The function of the assembly component is to provide a stable connection point to ensure that the auxiliary double-head structure can be firmly installed on the machine tool without shaking or deflecting during the processing, thereby meeting the needs for precise processing and efficient assembly and improving the flexibility of the equipment.

[0086] See also Figure 7 The second aspect of the present application provides a machine tool, which includes: a machine tool body 7 and a multi-head structure for a spark machine as described in the first aspect and any one of the first aspects, wherein the multi-head structure for a spark machine can be detachably mounted on the machine tool body 7.

[0087] The machine tool includes a multi-head machine tool, such as a four-head machine tool, a five-head machine tool or a six-head machine tool, etc., which is not specifically limited here.

[0088] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0089] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0090] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0091] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0092] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, read-only memory), random access memory (RAM, random access memory), disk or optical disk and other media that can store program code.

Claims

1. A multi-head structure for a spark machine, characterized in that: include: X-axis linear module, Y-axis moving part, Z-axis moving part and EDM head; The X-axis linear module includes an auxiliary base and an X-axis moving component, at least two X-axis moving components are installed on the auxiliary base, and the X-axis moving component is used to move left and right on the auxiliary base; The Y-axis moving component is installed on the X-axis moving component, and the Y-axis moving component is used to move forward and backward on the X-axis moving component; The Z-axis moving component is installed on the Y-axis moving component, and the Z-axis moving component is used to move up and down on the Y-axis moving component; The electrical discharge machining head is mounted on the Z-axis moving component.

2. The multi-head structure for a spark machine according to claim 1, characterized in that: The X-axis moving component, the Y-axis moving component and the Z-axis moving component are independent of each other.

3. The multi-head structure for a spark machine according to claim 1, characterized in that: The auxiliary base is provided with a guide rail base, a track body and a guide groove; The guide rail base is arranged on both sides of the outside of the auxiliary base, and the track body is fixed on the guide rail base; The guide groove is arranged on the track body, and the length of the guide groove is matched with the length of the track body.

4. The multi-head structure for a spark machine according to claim 3, characterized in that: The X-axis moving component includes an X-axis slide and a guide block; The X-axis ram is movably mounted on the track body; The guide block is installed on the X-axis slide, and the guide block is used to be placed in the guide groove. The guide block cooperates with the guide groove to enable the X-axis moving component to move following the track body on the auxiliary base.

5. The multi-head structure for a spark machine according to claim 4, characterized in that: The Y-axis moving component includes a Y-axis fixed seat and a Y-axis slide; The Y-axis fixing seat is installed on the X-axis ram; The Y-axis slide is movably mounted on the Y-axis fixing seat.

6. The multi-head structure for a spark machine according to claim 5, characterized in that: One end of the Y-axis ram is provided with a receiving slot, and the Z-axis moving component can be movably installed in the receiving slot.

7. The multi-head structure for a spark machine according to claim 6, characterized in that: Guide rail grooves are arranged on both sides of the receiving slot, and guide rails are installed inside the guide rail grooves; The Z-axis moving component includes a Z-axis fixed seat and a guide rail module. The guide rail module is installed outside the Z-axis fixed seat, and the Z-axis fixed seat can be movably installed in the guide rail through the guide rail module.

8. The multi-head structure for a spark machine according to claim 7, characterized in that: The electrical discharge machining head is detachably mounted on the Z-axis fixing seat.

9. The multi-head structure for a spark machine according to any one of claims 1 to 8, characterized in that: An assembling component is connected to the auxiliary base, and the assembling component cooperates with a connecting piece to assemble the auxiliary double-head structure on a machine tool.

10. A machine tool, characterized in that: The machine tool comprises: a machine tool body and a multi-head structure for a spark machine according to any one of claims 1 to 9, wherein the multi-head structure for a spark machine can be detachably mounted on the machine tool body.

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