Machine tool

Abstract

The invention discloses a machine tool. The machine tool comprises a base, a mounting frame, a milling assembly and a driving mechanism. The milling assembly comprises a sliding saddle, a ram, a first main shaft and a second main shaft, the sliding saddle is provided with a sliding groove, the ram is arranged in the sliding groove, the ram is provided with a first mounting channel and a second mounting channel, the first mounting channel is arranged in the ram and extends in the second direction, and the second mounting channel extends in the second direction; the second mounting channel is formed in the side wall face of the ram and located on the side, close to the workbench, of the first mounting channel, the second mounting channel extends in the third direction, the first main shaft is rotationally arranged in the first mounting channel, and the second main shaft is rotationally arranged in the second mounting channel; the driving mechanism comprises a first driving assembly and a second driving assembly, the first driving assembly is arranged on the mounting frame and is in driving connection with the sliding saddle, and the second driving assembly is arranged on the sliding saddle and is in driving connection with the ram. The problems that in the prior art, the machining range of a machine tool is limited, and the machining efficiency is low can be solved.

Description

Technical Field

[0001] The present application relates to the technical field of processing equipment, and in particular to a machine tool. Background Art

[0002] CNC machine tools are usually composed of optical machines, transmission components, electronic control systems, etc. They are used for processing metal, non-metal and other materials. During the processing, the surface, side and other positions of the workpiece will be processed according to the processing requirements of the workpiece.

[0003] When existing machine tools process the surface and side of a workpiece, different tools need to be replaced to complete multi-sided processing of the workpiece. The entire process requires multiple disassembly and assembly, which is labor-intensive and time-consuming, resulting in low processing efficiency. At the same time, the processing of the side of the workpiece is usually done by adding a 90° angle head under the spindle to improve processing efficiency and processing accuracy, but it will occupy part of the processing stroke, resulting in the limitation of the processing range of the machine tool, which cannot meet the needs of large-scale processing. Summary of the invention

[0004] The main purpose of the present application is to provide a machine tool to solve the problems of limited processing range and low processing efficiency of machine tools in the prior art.

[0005] According to one aspect of the present application, there is provided a machine tool, comprising:

[0006] A base, wherein a workbench is arranged on the base;

[0007] A mounting frame, the mounting frame being arranged on the base;

[0008] 14. The machine tool of claim 13, wherein the at least one machining element is configured to move the machining center of the machine tool to a position adjacent to the machining center. The at least one machining element is configured to move the machining center of the machine tool to a position adjacent to the machining center. The at least one machining element is configured to move the machining center of the machine tool to a position adjacent to the machining center.

[0009] The driving mechanism includes a first driving component and a second driving component, the first driving component is arranged on the mounting frame and is connected to the saddle driving to drive the saddle to reciprocate along the first direction, and the second driving component is arranged on the saddle and is connected to the ram driving to drive the ram to reciprocate along the second direction.

[0010] Further, within the projection of the slide block along the third direction, the projection of the second mounting channel includes a polygon.

[0011] Furthermore, a first guide rail extending along the second direction is arranged on one of the ram and the saddle, and a first sliding block adapted to the first guide rail is arranged on the other of the ram and the saddle.

[0012] Further, the sliding groove comprises a first side wall surface, a second side wall surface and a third side wall surface, the first side wall surface and the second side wall surface are perpendicular to and spaced apart from the third side wall surface, a plurality of the first sliding blocks are disposed on the first side wall surface and the second side wall surface, and the plurality of the first sliding blocks are spaced apart along the second direction;

[0013] The first guide rails are arranged on two opposite sides of the ram along the first direction.

[0014] Further, the ram is provided with an oil receiving assembly, the oil receiving assembly comprising a first oil receiving portion and a second oil receiving portion, the first oil receiving portion being provided on a side of the ram close to the workbench, and within a projection along the second direction, a projection of the first oil receiving portion overlaps with a projection of the first guide rail;

[0015] The second oil receiving portion is disposed on an outer peripheral side of the second installation channel, and in a projection along the second direction, a projection of the second oil receiving portion at least partially overlaps with a projection of the second installation channel.

[0016] Further, the first oil receiving portion is connected to the ram through a connecting section, the first oil receiving portion comprises a first box body, a second box body and a third box body which are connected in sequence, the first box body, the second box body and the third box body are arranged in a U-shape, and the opening end of the U-shape is arranged in a direction away from the mounting frame, wherein, in the projection along the second direction, the projections of the two first guide rails overlap with the first box body and the third box body respectively;

[0017] The second oil receiving portion includes a fourth box body, and the fourth box body is arranged to be in contact with the outer surface of the second installation channel.

[0018] Furthermore, a protective member is provided on the slide, and the protective member is covered on the side of the slide away from the mounting frame. The protective member and the slide both extend along the second direction, and the extension length of the protective member along the second direction is greater than the extension length of the slide along the second direction.

[0019] Further, a third drive assembly is arranged in the first installation channel, and the third drive assembly includes a third drive motor, a motor transition plate and a coupling, the motor transition plate is arranged on the ram, the third drive motor is mounted on the motor transition plate, and the output shaft of the third drive motor is connected to the first main shaft through the coupling;

[0020] The second spindle comprises an electric spindle.

[0021] Further, the first installation channel and the second installation channel are integrally formed; and / or,

[0022] A second guide rail is arranged on the mounting frame, and the second guide rail includes two second guide rails. The two second guide rails are arranged at intervals along the second direction and extend along the first direction. A second slider adapted to the second guide rail is arranged on the side of the saddle close to the mounting frame, and the second slider includes two second sliders, and the two second sliders are arranged one-to-one correspondingly to the two second guide rails.

[0023] Further, the first drive assembly includes a first drive motor and a first lead screw, the first lead screw extends along the first direction and is respectively connected to the first drive motor and the slide saddle, the first drive motor drives the first lead screw to rotate to drive the slide saddle to reciprocate along the length direction of the second guide rail; and / or,

[0024] The second drive assembly includes a second drive motor and a second lead screw, the second lead screw extends along the second direction and is respectively connected to the second drive motor and the slide, the second drive motor drives the second lead screw to rotate to drive the slide to reciprocate along the length direction of the first guide rail.

[0025] Since the second installation channel in the present application is arranged on the side wall surface of the slide and is located on the side of the first installation channel close to the workbench, and the second spindle is arranged in the second installation channel, when the second drive assembly drives the slide to move in the second direction toward the direction close to the workbench, the second spindle will not occupy the processing stroke because it is not installed at the bottom of the slide, thereby not limiting the processing range of the machine tool, effectively improving the space utilization of the machine tool, and increasing the processing stroke. In addition, since the first spindle and the second spindle in the present application are both installed on the slide, when the present application processes the surface and side of the workpiece, it is not necessary to frequently change the tool to complete the multi-faceted processing of the workpiece, and the entire processing process does not require multiple disassembly and assembly of the tool, that is, the multi-faceted processing of the workpiece can be completed with one clamping, the labor intensity is low, and the processing efficiency is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0027] Figure 1 A schematic diagram of the structure of a machine tool disclosed in an embodiment of the present application;

[0028] Figure 2 The attached embodiment disclosed in this application Figure 1 A magnified image of area A;

[0029] Figure 3 It is a schematic diagram of the structure of the ram disclosed in the embodiment of the present application;

[0030] Figure 4 A front view of a machine tool disclosed in an embodiment of the present application;

[0031] Figure 5 A side view of a machine tool disclosed in an embodiment of the present application;

[0032] Figure 6 A schematic diagram of the structure of a machine tool with a protective element disclosed in an embodiment of the present application;

[0033] Figure 7 The attached embodiment disclosed in this application Figure 6 Enlarged view of area B;

[0034] Figure 8 This is a front view of a machine tool with a protective member disclosed in an embodiment of the present application.

[0035] The above drawings include the following reference numerals:

[0036] 10. base; 20. workbench; 30. mounting frame; 31. second guide rail; 40. milling assembly; 41. saddle; 411. sliding groove; 4111. first side wall; 4112. second side wall; 4113. third side wall; 412. first slider; 413. second slider; 414. second weight-reducing hole; 42. ram; 421. first mounting channel; 422. second mounting channel; 423. first guide rail; 424. first weight-reducing hole; 425. reinforcing rib; 43. first spindle; 44. The second main shaft; 50, driving mechanism; 51, the first driving assembly; 511, the first driving motor; 512, the first screw; 52, the second driving assembly; 521, the second driving motor; 53, the third driving assembly; 531, the third driving motor; 532, the motor transition plate; 533, the coupling; 60, the oil receiving assembly; 61, the first oil receiving part; 611, the first box body; 612, the second box body; 613, the third box body; 62, the second oil receiving part; 621, the fourth box body; 63, the connecting section; 70, the protective part. DETAILED DESCRIPTION

[0037] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0038] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0039] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0040] As mentioned in the background technology, when existing machine tools process the surface and side of a workpiece, different cutting tools need to be replaced to complete multi-sided processing of the workpiece. The whole process requires multiple disassembly and assembly of the milling head, which is labor-intensive and time-consuming, resulting in low processing efficiency. At the same time, the processing of the side of the workpiece is usually to install a 90° angle head under the main shaft to improve the processing efficiency and processing accuracy. However, the 90° angle head will occupy part of the processing stroke, resulting in the processing range of the machine tool being limited and unable to meet the needs of large-scale processing. For this reason, the inventor of the present application has designed a new type of machine tool, through which the problems of limited processing range and low processing efficiency of the machine tools in the prior art can be solved. The machine tool of the present application will be described in detail below in conjunction with the accompanying drawings.

[0041] It should be noted that the "first direction" in this application refers to the Figure 1 The direction indicated by the letter X in the figure, and the “second direction” refers to the direction indicated by the letter X in the figure. Figure 1 The direction indicated by the letter Y in the figure, and the “third direction” refers to the direction of the Figure 1 The direction indicated by the letter Z.

[0042] See also Figures 1 to 8 As shown, according to an embodiment of the present application, a machine tool is provided, which includes a base 10, a mounting frame 30, a milling assembly 40 and a driving mechanism 50.

[0043] Specifically, a workbench 20 is arranged on the base 10; a mounting frame 30 is arranged on the base 10; a milling assembly 40 is movably arranged on the mounting frame 30 and is located above the workbench 20, and the milling assembly 40 includes a saddle 41, a ram 42, a first spindle 43 and a second spindle 44, the saddle 41 is arranged on the mounting frame 30 and can move along a first direction, and the saddle 41 has a sliding groove 411, the ram 42 is arranged in the sliding groove 411 and can move along a second direction perpendicular to the first direction, and the ram 42 has a first mounting channel 421 and a second mounting channel 422, the first mounting channel 421 is arranged in the ram 42 and extends along the second direction, and the second mounting channel 422 is arranged on the side wall surface of the ram 42 and is located at the first mounting channel 421 near the workbench 20 one side, and the second mounting channel 422 extends along a third direction, the third direction is perpendicular to the first direction and the second direction in pairs, the first main shaft 43 is rotatably arranged on the side of the first mounting channel 421 close to the workbench 20 and at least part of the first main shaft 43 extends out of the first mounting channel 421, the second main shaft 44 is rotatably arranged in the second mounting channel 422 and at least part of the second main shaft 44 extends out of the second mounting channel 422; the driving mechanism 50 includes a first driving component 51 and a second driving component 52, the first driving component 51 is arranged on the mounting frame 30 and is drivingly connected to the saddle 41 to drive the saddle 41 to reciprocate along the first direction, the second driving component 52 is arranged on the saddle 41 and is drivingly connected to the ram 42 to drive the ram 42 to reciprocate along the second direction.

[0044] In this embodiment, the mounting frame 30 provides support for the milling assembly 40, and the sliding groove 411 provides an installation space for the ram 42. When the machine tool is actually used, the workpiece to be processed can be placed on the workbench 20, and tools can be installed on the first spindle 43 and the second spindle 44. Then, by turning on the first drive assembly 51, the first drive assembly 51 starts to work, and the saddle 41 can be driven to move along the first direction on the mounting frame 30 to move above the workbench 20. Then, by turning on the second drive assembly 52, the second drive assembly 52 starts to work, and the ram 42 can be driven to move downward in the sliding groove 411 along the second direction, thereby driving the first spindle 43 and the second spindle 44 to move downward to use the tool to perform milling processing on the workpiece on the workbench 20. During this process, since the first mounting channel 421 extends along the second direction and the second mounting channel 422 extends along the third direction, when it is necessary to process the upper surface of the workpiece, it is only necessary to use the first spindle 43 to drive the tool to rotate to perform milling on the upper surface of the workpiece; when it is necessary to process the side of the workpiece, it is only necessary to use the second spindle 44 to drive the tool head to rotate to perform milling on the side of the workpiece.

[0045] At the same time, since the second installation channel 422 in this embodiment is arranged on the side wall surface of the ram 42 and is located on the side of the first installation channel 421 close to the workbench 20, and the second spindle 44 is arranged in the second installation channel 422, when the second drive assembly 52 drives the ram 42 to move in the second direction toward the direction close to the workbench 20, the second spindle 44 will not occupy the processing stroke because it is not installed at the bottom of the ram 42, so that it will not limit the processing range of the machine tool, effectively improve the space utilization of the machine tool, and increase the processing stroke. In addition, since the first spindle 43 and the second spindle 44 in this embodiment are both installed on the ram 42, in this way, when processing the surface and side of the workpiece, this embodiment can complete the multi-faceted processing of the workpiece without frequently changing the tool, and the entire processing process does not require the tool to be disassembled and assembled multiple times, that is, the multi-faceted processing of the workpiece can be completed by clamping once, the labor intensity is low, and the processing efficiency is effectively improved.

[0046] Further, see Figure 3 to Figure 4 As shown in FIG. 1 , within the projection of the ram 42 along the third direction, the projection of the second installation channel 422 in this embodiment includes a polygon. For example, the polygon in this embodiment includes a triangle, a quadrilateral or a pentagon, etc. Figure 3 FIG. 4 shows a case where the projection of the second installation channel 422 is set to be a pentagon.

[0047] Specifically, when the projection of the second installation channel 422 along the third direction is a polygon, this shape can provide a more stable installation space for the second spindle 44. The sides of the polygon can be used as support points to provide better support for the second spindle 44, thereby more effectively limiting the shaking and deviation of the second spindle 44, ensuring that the axis position of the second spindle 44 is stable during the processing, thereby ensuring the processing accuracy. At the same time, the second installation channel 422 is set to a polygonal structure, which is simple in structure and easy to process.

[0048] Further, see Figure 2 as well as Figure 4 As shown, in this embodiment, one of the ram 42 and the saddle 41 is provided with a first guide rail 423 extending along the second direction, and the other of the two is provided with a first slider 412 adapted to the first guide rail 423. That is to say, in this embodiment, the ram 42 may be provided with the first guide rail 423 and the saddle 41 may be provided with the first slider 412, or the ram 42 may be provided with the first slider 412 and the saddle 41 may be provided with the first guide rail 423. Figure 2 And attached Figure 4 3 shows the situation where the first guide rail 423 is provided on the ram 42 and the first slider 412 is provided on the saddle 41 .

[0049] Specifically, the first guide rail 423 extends along the second direction, providing precise guidance for the movement of the slide 42 relative to the saddle 41. When the second drive assembly 52 drives the slide 42 to reciprocate along the second direction, the cooperation between the first guide rail 423 and the first slider 412 ensures that the slide 42 moves strictly in the predetermined second direction, thereby ensuring that the milling assembly 40 can accurately control the position of the tool in the second direction during the machining process.

[0050] Further, see Figure 2 As shown, the sliding groove 411 in this embodiment includes a first side wall surface 4111, a second side wall surface 4112 and a third side wall surface 4113, the first side wall surface 4111 and the second side wall surface 4112 are perpendicular to and spaced apart from the third side wall surface 4113, a plurality of first sliding blocks 412 are arranged on the first side wall surface 4111 and the second side wall surface 4112, and the plurality of first sliding blocks 412 are spaced apart along the second direction; the first guide rails 423 are arranged on opposite sides of the slide 42 along the first direction.

[0051] Optionally, the first sliding blocks 412 on the first side wall surface 4111 and the second side wall surface 4112 in this embodiment may be provided in two, three or more forms. Figure 4 FIG. 4 shows a situation where three first sliding blocks 412 are provided on the first side wall surface 4111 and the second side wall surface 4112 .

[0052] Specifically, since the sliding groove 411 in this embodiment includes a first side wall surface 4111, a second side wall surface 4112 and a third side wall surface 4113, and the first side wall surface 4111 and the second side wall surface 4112 are arranged perpendicularly and spaced apart from the third side wall surface 4113, not only can an installation space be provided for the ram 42, but also the ram 42 can be accurately restricted in the sliding groove 411 when the saddle 41 moves along the first direction, thereby avoiding the ram 42 from deflecting or shaking during the movement of the saddle 41, and effectively improving the stability of the milling assembly 40. At the same time, the multiple first sliders 412 in this embodiment are spaced apart along the second direction, so that the weight of the ram 42 and the cutting force it receives can be evenly distributed to the first side wall surface 4111 and the second side wall surface 4112, which helps to improve the bearing capacity of the entire milling assembly 40.

[0053] Further, see Figure 6 to Figure 7As shown, the slide 42 in this embodiment is provided with an oil receiving assembly 60, and the oil receiving assembly 60 includes a first oil receiving portion 61 and a second oil receiving portion 62. The first oil receiving portion 61 is arranged on the side of the slide 42 close to the workbench 20, and in the projection along the second direction, the projection of the first oil receiving portion 61 overlaps with the projection of the first guide rail 423; the second oil receiving portion 62 is arranged on the outer peripheral side of the second mounting channel 422, and in the projection along the second direction, the projection of the second oil receiving portion 62 at least partially overlaps with the projection of the second mounting channel 422.

[0054] Specifically, in order to ensure smooth movement between the first guide rail 423 and the first slider 412, grease is usually used to lubricate the first guide rail 423 in this embodiment, and the grease will overflow from the first guide rail 423 and drip onto the workpiece, affecting the processing of the workpiece. To this end, in this embodiment, the first oil receiving portion 61 is arranged on the side of the ram 42 close to the workbench 20, and the projection of the first oil receiving portion 61 along the second direction overlaps with the projection of the first guide rail 423, so that during the lubrication process of the first guide rail 423, excess grease can be collected by the first oil receiving portion 61, thereby preventing the grease from contaminating the workpiece. At the same time, the second oil receiving portion 62 can receive the grease overflowing from the second spindle 44, thereby preventing the grease from contaminating the working environment and the workpiece. In general, the setting of the oil receiving assembly 60 enables the lubricating grease to be collected centrally, and when the machine tool is maintained, the staff can easily clean the liquid in the oil receiving assembly 60, instead of letting the grease scatter all over the machine tool, increasing the difficulty of cleaning. This not only improves the efficiency of machine tool maintenance, but also reduces maintenance costs.

[0055] Further, see Figure 7 As shown, the first oil receiving portion 61 in this embodiment is connected to the slide 42 through the connecting section 63, and the first oil receiving portion 61 includes a first box body 611, a second box body 612 and a third box body 613 which are connected in sequence, and the first box body 611, the second box body 612 and the third box body 613 are arranged in a U-shape, and the opening end of the U-shape is arranged in a direction away from the mounting frame 30, wherein, in the projection along the second direction, the projections of the two first guide rails 423 overlap with the first box body 611 and the third box body 613 respectively; the second oil receiving portion 62 includes a fourth box body 621, and the fourth box body 621 is arranged to fit the outer surface of the second mounting channel 422.

[0056] Specifically, the first oil receiving portion 61 is connected to the ram 42 through the connecting section 63, and the connecting section 63 plays a role in stabilizing the first oil receiving portion 61. During the operation of the equipment, especially when the ram 42 moves frequently, the first oil receiving portion 61 may shake due to factors such as vibration. The setting of the connecting section 63 can effectively reduce this shaking and ensure that the first oil receiving portion 61 always remains in a suitable position to better collect lubricating oil. At the same time, since the ram 42 needs to move in multiple directions, the U-shaped first oil receiving portion 61 can better adapt to this movement. Regardless of whether the ram 42 moves in the first direction or the second direction, the layout of the first oil receiving portion 61 can ensure that there is enough oil receiving space under the two first guide rails 423, and the grease will not be unable to be collected due to the change in the position of the ram 42. In addition, since the fourth box body 621 is arranged to fit the outer surface of the second mounting channel 422, when the equipment structure is compact, there is no need to occupy too much extra space to set up the oil collection device. The design of fitting the surface of the second mounting channel 422 allows the fourth box body 621 to be tightly combined with the second mounting channel 422, thereby realizing the oil collection function without causing excessive interference to the overall layout of the equipment.

[0057] Further, see Figures 6 to 8 As shown, a protective member 70 is provided on the slide 42 in this embodiment. The protective member 70 is covered and arranged on the side of the slide 42 facing away from the mounting frame 30. The protective member 70 and the slide 42 both extend along the second direction, and the extension length of the protective member 70 along the second direction is greater than the extension length of the slide 42 along the second direction.

[0058] Specifically, the setting of the protective member 70 can prevent dust generated during the workpiece processing from entering the first installation channel 421 and affecting the first spindle 43 and other components, which helps to improve the protection performance of the machine tool. At the same time, since the extension length of the protective member 70 in this embodiment along the second direction is greater than the extension length of the ram 42 along the second direction, the protective member 70 can provide a wider protection range, thereby preventing impurities such as dust from passing over the protective member 70 and entering the second installation channel 422, effectively improving the reliability and stability of the operation of the first spindle 43.

[0059] Exemplarily, the protective member 70 in this embodiment includes a protective sheet metal. Since the protective sheet metal has high strength and hardness, and has good corrosion resistance and wear resistance, the protective sheet metal is arranged on the ram 42 as the protective member 70, which can not only prevent dust from entering the first installation channel 421, but also effectively resist collision and extrusion that may occur during the working process.

[0060] Further, see Figure 2As shown, in the present embodiment, a third drive assembly 53 is arranged in the first mounting channel 421, and the third drive assembly 53 includes a third drive motor 531, a motor transition plate 532 and a coupling 533. The motor transition plate 532 is arranged on the slide 42, the third drive motor 531 is installed on the motor transition plate 532, and the output shaft of the third drive motor 531 is connected to the first main shaft 43 through the coupling 533; the second main shaft 44 includes an electric main shaft.

[0061] Specifically, the motor transition plate 532 serves as the installation base of the third drive motor 531 and plays the role of connecting the third drive motor 531 and the ram 42. It enables the third drive motor 531 to be stably installed on the ram 42, and due to its own structural characteristics, the installation position of the motor can be appropriately adjusted to ensure that the output shaft of the third drive motor 531 and the first spindle 43 can be accurately connected through the coupling 533. The coupling 533 is mainly used to transmit torque so that the power of the third drive motor 531 can be effectively transmitted to the first spindle 43. As a power source, the third drive motor 531 can provide rotational power for the first spindle 43, that is, the third drive motor 531 drives the first spindle 43 to rotate through the coupling 533, so that the tool installed on the first spindle 43 can process the workpiece at a suitable speed to meet different processing requirements. In addition, since the second spindle 44 in this embodiment adopts an electric spindle, the electric spindle combines the motor and the spindle into one, reducing the intermediate transmission link. Such a structure not only simplifies the mechanical structure of the machine tool, but also reduces the vibration and energy loss caused by the transmission link. In other words, the second spindle 44 is provided with a drive motor inside itself, and the second spindle 44 is driven to rotate by the drive motor, thereby driving the tool installed on the second spindle 44 to rotate, and then the side of the workpiece can be milled, that is, there is no need to set an additional motor on the ram to control the rotation of the second spindle 44, which reduces the weight of the ram 42 and improves the space utilization rate of the ram 42.

[0062] Furthermore, in this embodiment, the first installation channel 421 and the second installation channel 422 are integrally formed, and the structure is stable and reliable. Of course, in other embodiments of the present application, the first installation channel 421 and the second installation channel 422 can also be connected by welding, clamping, etc., as long as other deformation methods under the conception of the present application are within the protection scope of the present application.

[0063] Further, in order to reduce the overall weight of the milling assembly 40, see Figure 2 As shown, a plurality of first weight-reducing holes 424 are provided on the ram 42 in this embodiment, and a plurality of reinforcing ribs 425 are provided on the inner wall surface of the ram 42 .

[0064] Specifically, the structure of this embodiment can reduce the weight of the ram 42, reduce the pressure of the ram 42 on the saddle 41 and the mounting frame 30, and thus avoid the ram 42 from having adverse effects on the saddle 41 or the mounting frame 30. At the same time, a plurality of reinforcing ribs 425 are provided on the inner wall surface of the ram 42, which can improve the rigidity of the ram 42 after weight reduction.

[0065] Further, in order to reduce the overall weight of the milling assembly 40, see Figure 2 As shown, the slide saddle 41 in this embodiment is provided with a plurality of second weight-reducing holes 414. Specifically, the provision of the second weight-reducing holes 414 can reduce the weight of the slide saddle 41, thereby reducing the pressure of the slide saddle 41 on the mounting frame 30, and effectively preventing the slide saddle 41 from having adverse effects on the mounting frame 30.

[0066] Further, see Figures 4 to 5 As shown, the mounting frame 30 in this embodiment is provided with a second guide rail 31, and the second guide rail 31 includes two second guide rails 31, which are spaced apart along the second direction and extend along the first direction. A second slider 413 adapted to the second guide rail 31 is provided on the side of the saddle 41 close to the mounting frame 30, and the second slider 413 includes two second sliders 413, which are arranged one-to-one correspondingly to the two second guide rails 31.

[0067] Specifically, the two second guide rails 31 extend along the first direction, providing a precise guide path for the movement of the saddle 41 along the first direction on the mounting frame 30. At the same time, during the processing, the saddle 41 and the ram 42, spindle and other components thereon have a certain weight, and are also affected by the cutting force during cutting. The cooperation between the second slider 413 and the second guide rail 31 can effectively bear these weights and cutting forces. The two second sliders 413 evenly distribute the weight and force of the saddle 41 to the two second guide rails 31, avoiding deformation or damage of components caused by excessive local force, and ensuring the stability of the entire motion system.

[0068] Further, see Figure 1 As shown, the first drive assembly 51 in this embodiment includes a first drive motor 511 and a first lead screw 512. The first lead screw 512 extends along the first direction and is respectively connected to the first drive motor 511 and the saddle 41. The first drive motor 511 drives the first lead screw 512 to rotate to drive the saddle 41 to reciprocate along the length direction of the second guide rail 31.

[0069] Further, see Figure 2 as well as Figure 5As shown, the second drive assembly 52 in this embodiment includes a second drive motor 521 and a second lead screw (not shown in the drawings). The second lead screw extends along the second direction and is respectively connected to the second drive motor 521 and the slide 42. The second drive motor 521 drives the second lead screw to rotate to drive the slide 42 to reciprocate along the length direction of the first guide rail 423.

[0070] Specifically, the first drive motor 511 drives the first lead screw 512 to rotate, so that the saddle 41 installed on the first lead screw 512 moves along the length direction of the second guide rail 31, so that the milling assembly 40 can reciprocate in the first direction. Similarly, the second drive motor 521 drives the second lead screw to rotate, so that the ram 42 installed on the second lead screw moves along the length direction of the first guide rail 423, so that the first spindle 43 and the second spindle 44 can reciprocate in the second direction. Through the arrangement of each drive motor and each lead screw, the first spindle 43 and the second spindle 44 installed on the ram 42 can move in the first direction and the second direction relative to the workpiece placed on the workbench 20, so that the tools on the first spindle 43 and the second spindle 44 can mill the surface and side of the workpiece.

[0071] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0072] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0073] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A machine tool, characterized in that: include: A base (10), wherein a workbench (20) is arranged on the base (10); A mounting frame (30), wherein the mounting frame (30) is arranged on the base (10); A milling assembly (40), wherein the milling assembly (40) is movably arranged on the mounting frame (30) and is located above the workbench (20), the milling assembly (40) comprises a saddle (41), a ram (42), a first spindle (43) and a second spindle (44), the saddle (41) is arranged on the mounting frame (30) and is movable along a first direction, and the saddle (41) has a sliding groove (411), the ram (42) is arranged in the sliding groove (411) and is movable along a second direction perpendicular to the first direction, and the ram (42) has a first mounting channel (421) and a second mounting channel (422), the first mounting channel (421) is arranged in the ram (42) and is movable along the first direction. The second mounting channel (422) is arranged on the side wall surface of the ram (42) and is located on a side of the first mounting channel (421) close to the workbench (20), and the second mounting channel (422) extends along a third direction, and the third direction is perpendicular to the first direction and the second direction in pairs, the first main shaft (43) is rotatably arranged on a side of the first mounting channel (421) close to the workbench (20), and at least a portion of the first main shaft (43) extends out of the first mounting channel (421), and the second main shaft (44) is rotatably arranged in the second mounting channel (422), and at least a portion of the second main shaft (44) extends out of the second mounting channel (422); A driving mechanism (50), wherein the driving mechanism (50) comprises a first driving component (51) and a second driving component (52), wherein the first driving component (51) is disposed on the mounting frame (30) and is drivingly connected to the saddle (41) to drive the saddle (41) to reciprocate along the first direction, and the second driving component (52) is disposed on the saddle (41) and is drivingly connected to the ram (42) to drive the ram (42) to reciprocate along the second direction.

2. The machine tool according to claim 1, characterized in that: Within the projection of the ram (42) along the third direction, the projection of the second mounting channel (422) includes a polygon.

3. The machine tool according to claim 1, characterized in that: A first guide rail (423) extending along the second direction is arranged on one of the slide ram (42) and the slide saddle (41), and a first sliding block (412) adapted to the first guide rail (423) is arranged on the other of the two.

4. The machine tool according to claim 3, characterized in that: The sliding groove (411) comprises a first side wall surface (4111), a second side wall surface (4112) and a third side wall surface (4113); the first side wall surface (4111) and the second side wall surface (4112) are perpendicular to and spaced apart from the third side wall surface (4113); a plurality of the first sliding blocks (412) are disposed on each of the first side wall surface (4111) and the second side wall surface (4112); and the plurality of the first sliding blocks (412) are spaced apart along the second direction; The first guide rails (423) are arranged on two opposite sides of the slide block (42) along the first direction.

5. The machine tool according to claim 4, characterized in that: The ram (42) is provided with an oil receiving assembly (60), the oil receiving assembly (60) comprising a first oil receiving portion (61) and a second oil receiving portion (62), the first oil receiving portion (61) being provided on a side of the ram (42) close to the workbench (20), and within a projection along the second direction, a projection of the first oil receiving portion (61) overlaps with a projection of the first guide rail (423); The second oil receiving portion (62) is arranged on the outer peripheral side of the second installation channel (422), and in the projection along the second direction, the projection of the second oil receiving portion (62) at least partially overlaps with the projection of the second installation channel (422).

6. The machine tool according to claim 5, characterized in that: The first oil receiving portion (61) is connected to the ram (42) via a connecting section (63); the first oil receiving portion (61) comprises a first box body (611), a second box body (612) and a third box body (613) which are connected in sequence; the first box body (611), the second box body (612) and the third box body (613) are arranged in a U-shape, and the opening end of the U-shape is arranged in a direction away from the mounting frame (30); wherein, in a projection along the second direction, the projections of the two first guide rails (423) overlap with the first box body (611) and the third box body (613) respectively; The second oil receiving portion (62) comprises a fourth box body (621), and the fourth box body (621) is arranged to fit the outer surface of the second installation channel (422).

7. The machine tool according to claim 1, characterized in that: A protective member (70) is provided on the slide (42), and the protective member (70) is covered and arranged on a side of the slide (42) facing away from the mounting frame (30). Both the protective member (70) and the slide (42) extend along the second direction, and an extension length of the protective member (70) along the second direction is greater than an extension length of the slide (42) along the second direction.

8. The machine tool according to claim 1, characterized in that: A third drive assembly (53) is arranged in the first installation channel (421), and the third drive assembly (53) comprises a third drive motor (531), a motor transition plate (532) and a coupling (533), wherein the motor transition plate (532) is arranged on the ram (42), the third drive motor (531) is mounted on the motor transition plate (532), and the output shaft of the third drive motor (531) is connected to the first main shaft (43) through the coupling (533); The second spindle (44) comprises an electric spindle.

9. The machine tool according to claim 1, characterized in that: The first installation channel (421) and the second installation channel (422) are integrally formed; and / or, The mounting frame (30) is provided with a second guide rail (31), the second guide rail (31) includes two second guide rails (31), the two second guide rails (31) are arranged at intervals along the second direction and extend along the first direction, and the saddle (41) is provided with a second slider (413) adapted to the second guide rail (31) on one side close to the mounting frame (30), the second slider (413) includes two second sliders (413), and the two second sliders (413) are arranged in a one-to-one correspondence with the two second guide rails (31).

10. The machine tool according to any one of claims 1 to 9, characterized in that The first driving assembly (51) comprises a first driving motor (511) and a first lead screw (512), the first lead screw (512) extending along the first direction and connected to the first driving motor (511) and the slide saddle (41) respectively, the first driving motor (511) driving the first lead screw (512) to rotate so as to drive the slide saddle (41) to reciprocate along the length direction of the second guide rail (31); and / or, The second drive assembly (52) comprises a second drive motor (521) and a second lead screw, wherein the second lead screw extends along the second direction and is respectively connected to the second drive motor (521) and the slide (42), and the second drive motor (521) drives the second lead screw to rotate so as to drive the slide (42) to reciprocate along the length direction of the first guide rail (423).

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