Main shaft assembly and machining equipment

Abstract

The invention provides a main shaft assembly and machining equipment. The main shaft assembly comprises a main shaft; the box body is arranged outside the main shaft in a sleeving mode, the box body and the main shaft are integrally formed, and the box body is arranged at a preset installation position in a sliding mode in the first preset direction parallel to the center line of the main shaft; the box body is in sliding connection with the preset installation position through the guide connection assembly, and the problem that in the prior art, the requirement for the precision of the combination face of a spindle and a spindle box of a numerical control machine tool is high when the spindle and the spindle box are installed is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of processing equipment, and in particular to a spindle assembly and processing equipment. Background Art

[0002] In modern manufacturing, CNC machine tools are the key to high-precision and high-efficiency processing, and their performance is directly related to product quality and production costs. Among them, the spindle, as a core component, is responsible for transmitting rotational power to the tool, which is crucial to processing accuracy and efficiency.

[0003] In the prior art, the main shaft and the main shaft box are combined as independent components, and the main shaft box is used to provide necessary rigid support for the main shaft so that the main shaft can rotate stably at high speed.

[0004] However, there are extremely strict requirements on the accuracy of the mating surface between the spindle and the spindle box during installation, which not only increases the difficulty of assembly, but also makes the subsequent disassembly, assembly and maintenance of the spindle very inconvenient. Summary of the invention

[0005] The main purpose of the present invention is to provide a spindle assembly and a processing device to solve the problem in the prior art that the spindle and the spindle box of a CNC machine tool have high requirements on the precision of the joint surface when they are installed.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided a spindle assembly, comprising a spindle; a box body, which is sleeved outside the spindle and is integrally formed with the spindle, and the box body can be slidably set at a predetermined installation position along a first predetermined direction parallel to the center line of the spindle; and a guide connection assembly, through which the box body is slidably connected to the predetermined installation position.

[0007] Furthermore, the guide connection assembly includes a guide rail and a slider that are relatively slidably connected, the guide rail extends along a first predetermined direction, the guide rail is arranged on one of the box body and the predetermined installation position, and the slider is arranged on the other of the box body and the predetermined installation position.

[0008] Furthermore, there are multiple sliders in the guide connection assembly, and the multiple sliders are arranged on the guide rail at intervals along the extension direction of the guide rail.

[0009] Furthermore, there are multiple guide connection components, and the multiple guide connection components are arranged at intervals along a second predetermined direction; wherein the second predetermined direction intervals are perpendicular to the first predetermined direction.

[0010] Furthermore, a mounting side surface is provided on one side of the box body, and the mounting side surface is parallel to the center line of the main shaft so as to be connected to the guide connection assembly.

[0011] Furthermore, a mounting groove is provided on the box body, the mounting groove is provided on the mounting side surface, the mounting groove is parallel to the center line of the main shaft, and at least a part of the guide connection assembly is located in the mounting groove.

[0012] Furthermore, according to another aspect of the present invention, there is provided a processing device, comprising the above-mentioned spindle assembly, the processing device also comprising a crossbeam, and the spindle assembly is mounted on the crossbeam.

[0013] Furthermore, the processing equipment includes a base, which is arranged on a supporting base; a plurality of columns, which are arranged on the base at intervals, and a crossbeam is installed on the plurality of columns; a saddle, which is movably arranged on the crossbeam along a second predetermined direction, and the main shaft is slidably connected to the saddle through a guide connection assembly; and a first drive unit, which is arranged on the saddle and is drive-connected to the box.

[0014] Further, the processing equipment includes a second guide rail and a second slider, the second guide rail extends along a second predetermined direction, the second slider is slidably arranged on the second guide rail along the extension direction of the second guide rail, the second guide rail is arranged on one of the crossbeam and the saddle, and the second slider is arranged on the other of the crossbeam and the saddle; a second driving unit, the second driving unit is arranged on the crossbeam and is driven and connected to the saddle.

[0015] Furthermore, the processing equipment also includes a workbench, which is movably arranged on the base along a third predetermined direction parallel to the supporting base surface and is located under the crossbeam; a third guide rail and a third slider, the third guide rail extends along the third predetermined direction, the third slider is slidably arranged on the third guide rail along the extension direction of the third guide rail, the third guide rail is arranged on one of the base and the workbench, and the third slider is arranged on the other of the base and the workbench; a third driving unit, the third driving unit is arranged on the base and is drivingly connected to the workbench.

[0016] By applying the technical solution of the present invention, the present invention not only improves the overall rigidity of the spindle assembly and reduces the cumulative error caused by the connecting parts by integrally forming the box body and the spindle, but also solves the problem of high precision requirements on the joint surface between the spindle and the spindle box of the CNC machine tool during installation in the prior art, and also enables the spindle assembly to slide accurately along the first predetermined direction as required, thereby achieving precise positioning and flexible movement of the spindle. In the processing equipment, the coordination of the spindle assembly with the crossbeam, saddle and workbench, as well as the application of a multi-stage drive and guide system, significantly improves the processing accuracy and efficiency of the equipment. At the same time, the design of the multi-slider and multi-guide connection assembly further enhances the stability during the movement process, effectively reduces the vibration during the processing process, and improves the processing quality. In addition, the one-piece box body and spindle design simplifies the assembly process, reduces manufacturing costs, and makes the equipment more economical and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A front view showing an embodiment of a spindle assembly and a spindle assembly of a processing device according to the present invention; and

[0019] Figure 2 Shows Figure 1 A rear view of the spindle assembly is shown;

[0020] Figure 3 Shows Figure 1 A top view of the spindle assembly is shown;

[0021] Figure 4 A front view showing an embodiment of a processing apparatus according to the present invention; and

[0022] Figure 5 Shows Figure 4 A top view of the processing equipment shown;

[0023] Figure 6 Shows Figure 4 A side view of the processing equipment is shown.

[0024] The above drawings include the following reference numerals:

[0025] 10. spindle; 20. box; 30. guide connection assembly; 40. crossbeam; 50. base; 60. column; 70. saddle;

[0026] 80. second guide rail; 90. second slide block;

[0027] 100. Workbench;

[0028] 110, third guide rail; 120, third slide block;

[0029] 210, mounting side; 220, mounting slot;

[0030] 310. First guide rail; 320. First slider. DETAILED DESCRIPTION

[0031] 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 invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] like Figures 1 to 6As shown, one aspect of the present invention provides a spindle assembly, including: a spindle 10; a box body 20, the box body 20 is sleeved outside the spindle 10 and is integrally formed with the spindle 10, the box body 20 is slidably set at a predetermined installation position along a first predetermined direction parallel to the center line of the spindle 10; and a guide connection assembly 30, the box body 20 is slidably connected to the predetermined installation position through the guide connection assembly 30.

[0033] In an embodiment of the invention, the first predetermined direction is Figure 2 The X direction is shown.

[0034] It can be seen that the present invention, by integrally forming the box body 20 and the spindle 10, not only improves the overall rigidity of the spindle assembly, reduces the cumulative error caused by the connecting parts, and solves the problem of high precision requirements on the joint surface between the spindle and the spindle box of the CNC machine tool during installation in the prior art, but also enables the spindle assembly to slide accurately along the first predetermined direction as required, and is suitable for precision processing equipment that requires the spindle to be positioned and moved with high precision in a specific direction, such as CNC machine tools, precision grinders, etc.

[0035] like Figure 2 As shown, the guide connection assembly 30 includes a first guide rail 310 and a first slider 320 that are relatively slidably connected, the first guide rail 310 extends along a first predetermined direction, the first guide rail 310 is arranged on one of the box body 20 and the predetermined installation position, and the first slider 320 is arranged on the other of the box body 20 and the predetermined installation position. This cooperation mode of the first guide rail 310 and the first slider 320 can ensure the stability and guiding accuracy of the spindle assembly during the movement process, and is suitable for high-speed processing equipment that requires the spindle assembly to slide quickly and stably on the guide rail, such as a high-speed drilling machine, a high-speed milling machine, etc.

[0036] Preferably, the number of the first sliders 320 in the guide connection assembly 30 is multiple, and the multiple first sliders 320 are arranged on the first guide rail 310 at intervals along the extension direction of the first guide rail 310. The design of multiple first sliders 320 can further improve the stability of the spindle assembly during the sliding process, reduce the vibration and wear that may be caused by single-point contact, enhance the stability of the spindle assembly, and also extend the service life of the processing equipment and reduce maintenance costs.

[0037] Preferably, there are multiple guide connection assemblies 30, and the multiple guide connection assemblies 30 are arranged at intervals along the second predetermined direction; wherein the second predetermined direction intervals are perpendicular to the first predetermined direction. The arrangement of multiple guide connection assemblies 30 can accurately control the movement of the spindle assembly from different positions.

[0038] In an embodiment of the present invention, the second predetermined direction is Figure 2 Y direction shown.

[0039] Specifically, a mounting side 210 is provided on one side of the box body 20, and the mounting side 210 is parallel to the center line of the main shaft 10 so as to be connected with the guide connection assembly 30, thereby simplifying the installation and adjustment process of the main shaft assembly and improving the adaptability and working efficiency of the equipment.

[0040] like Figure 3 As shown, the box body 20 is also provided with a mounting groove 220 , which is arranged on the mounting side surface 210 . The mounting groove 220 is parallel to the center line of the main shaft 10 , and at least a part of the guide connection assembly 30 is located in the mounting groove 220 .

[0041] The design of the mounting groove 220 of the present invention can reduce the impact of the external environment on the guide connection assembly 30, reduce the wear of dust and impurities on the guide connection assembly 30, and improve the stability and reliability of the equipment in harsh environments such as metal cutting. It is particularly suitable for equipment that needs to operate stably for a long time in a high dust and high humidity environment.

[0042] like Figures 4 to 6 As shown, the present invention also provides a processing device, including the spindle assembly mentioned above, and the processing device also includes a crossbeam 40, and the spindle assembly is installed on the crossbeam 40. This processing device can realize the precise movement of the spindle 10 on the crossbeam 40 through the cooperation between the spindle assembly and the crossbeam 40, and is suitable for equipment that requires the spindle to be three-dimensionally positioned during the processing process, such as a CNC machining center, a laser cutting machine, etc.

[0043] Specifically, the processing equipment includes: a base 50, which is arranged on a supporting base surface; a plurality of columns 60, which are arranged on the base 50 at intervals, and a crossbeam 40 installed on the plurality of columns 60; a saddle 70, which is movably arranged on the crossbeam 40 along a second predetermined direction, and the spindle 10 is slidably connected to the saddle 70 through a guide connection assembly 30; and a first driving unit, which is arranged on the saddle 70 and is drivingly connected to the box 20. Through the multi-level design of the base 50, the columns 60, the crossbeam 40 and the saddle 70, the processing equipment can achieve high-precision positioning and movement in three-dimensional space, and is particularly suitable for processing parts with complex curved surfaces and high precision requirements, and can meet the high-precision and high-flexibility requirements of modern manufacturing industries for processing equipment.

[0044] like Figure 6As shown, the processing equipment includes: a second guide rail 80 and a second slider 90, the second guide rail 80 extends along the second predetermined direction, the second slider 90 is slidably arranged on the second guide rail 80 along the extension direction of the second guide rail 80, the second guide rail 80 is arranged on one of the crossbeam 40 and the slide saddle 70, and the second slider 90 is arranged on the other of the crossbeam 40 and the slide saddle 70; and a second driving unit, the second driving unit is arranged on the crossbeam 40 and is drivingly connected to the slide saddle 70. The cooperation of the second guide rail 80 and the second slider 90, as well as the arrangement of the second driving unit, further enhances the movement accuracy and stability of the processing equipment in the second predetermined direction, and is suitable for equipment that requires the spindle assembly to move precisely in multiple planes, such as precision mold processing equipment, and significantly improves the positioning accuracy of the processing equipment in the plane.

[0045] Specifically, the processing equipment further includes: a workbench 100, which is movably arranged on the base 50 along a third predetermined direction parallel to the supporting base surface and is located below the crossbeam 40; a third guide rail 110 and a third slider 120, the third guide rail 110 extends along the third predetermined direction, the third slider 120 is slidably arranged on the third guide rail 110 along the extension direction of the third guide rail 110, the third guide rail 110 is arranged on one of the base 50 and the workbench 100, and the third slider 120 is arranged on the other of the base 50 and the workbench 100; and a third driving unit, which is arranged on the base 50 and is drivingly connected to the workbench 100. The arrangement of the workbench 100, and the coordination of the third guide rail 110, the third slider 120 and the third driving unit enable the processing equipment to realize accurate positioning and movement of the workpiece, and is suitable for equipment that requires multi-position and multi-angle processing of the workpiece during the processing process, such as polyhedral parts processing equipment, composite parts processing equipment, etc., and significantly enhances the processing capacity of the equipment.

[0046] Specifically, the first predetermined direction, the second predetermined direction and the third predetermined direction are perpendicular to each other.

[0047] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0048] The spindle assembly and processing equipment of the present application, by forming the box body 20 and the spindle 10 in one piece, not only improve the overall rigidity of the spindle assembly, reduce the cumulative error caused by the connecting parts, solve the problem of high precision requirements on the joint surface between the spindle and the spindle box of the CNC machine tool in the prior art during installation, but also enable the spindle assembly to slide accurately along the first predetermined direction as required, thereby achieving accurate positioning and flexible movement of the spindle 10. In the processing equipment, the coordination of the spindle assembly with the crossbeam 40, the saddle 70 and the workbench 100, as well as the application of the multi-stage drive and guide system, significantly improves the processing accuracy and efficiency of the equipment. At the same time, the design of the multi-slider and multi-guide connection assembly further enhances the stability during the movement process, effectively reduces the vibration during the processing process, and improves the processing quality. In addition, the design of the one-piece box body 20 and the spindle 10 simplifies the assembly process, reduces the manufacturing cost, and makes the equipment more economical and efficient.

[0049] 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.

[0050] 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, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method 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, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0051] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0052] 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.

[0053] 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.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A spindle assembly, characterized in that: include: Spindle (10); a box body (20), the box body (20) being sleeved outside the main shaft (10) and being integrally formed with the main shaft (10), the box body (20) being slidably arranged at a predetermined installation position along a first predetermined direction parallel to the center line of the main shaft (10); A guide connection assembly (30), wherein the box body (20) is slidably connected to the predetermined installation position via the guide connection assembly (30).

2. The spindle assembly according to claim 1, characterized in that: The guide connection assembly (30) comprises a first guide rail (310) and a first slider (320) which are connected in a relatively slidable manner, wherein the first guide rail (310) extends along the first predetermined direction, the first guide rail (310) is arranged on one of the box body (20) and the predetermined installation position, and the first slider (320) is arranged on the other of the box body (20) and the predetermined installation position.

3. The spindle assembly according to claim 2, characterized in that: The number of the first sliding blocks (320) in the guide connection assembly (30) is multiple, and the multiple first sliding blocks (320) are arranged on the first guide rail (310) at intervals along the extension direction of the first guide rail (310).

4. The spindle assembly according to claim 1, characterized in that: The number of the guide connection components (30) is multiple, and the multiple guide connection components (30) are arranged at intervals along a second predetermined direction; wherein the second predetermined direction intervals are perpendicular to the first predetermined direction.

5. The spindle assembly according to claim 1, characterized in that: A mounting side surface (210) is provided on one side of the box body (20), and the mounting side surface (210) is parallel to the center line of the main shaft (10) so as to be connected to the guide connection assembly (30).

6. The spindle assembly according to claim 5, characterized in that: The box body (20) is also provided with a mounting groove (220), the mounting groove (220) being arranged on the mounting side surface (210), the mounting groove (220) being parallel to the center line of the main shaft (10), and at least a portion of the guide connection assembly (30) being located in the mounting groove (220).

7. A processing equipment, characterized in that: The processing device comprises the spindle assembly according to any one of claims 1 to 6, and further comprises a crossbeam (40), and the spindle assembly is mounted on the crossbeam (40).

8. The processing equipment according to claim 7, characterized in that: The processing equipment includes: A base (50), wherein the base (50) is arranged on a supporting base surface; A plurality of columns (60), wherein the plurality of columns (60) are arranged at intervals on the base (50), and the crossbeam (40) is installed on the plurality of columns (60); a sliding saddle (70), the sliding saddle (70) being movably arranged on the crossbeam (40) along a second predetermined direction, the main shaft (10) being slidably connected to the sliding saddle (70) via the guide connection assembly (30); A first driving unit, wherein the first driving unit is arranged on the sliding saddle (70) and is drivingly connected to the box body (20).

9. The processing equipment according to claim 8, characterized in that The processing equipment includes: a second guide rail (80) and a second slider (90), wherein the second guide rail (80) extends along the second predetermined direction, the second slider (90) is slidably disposed on the second guide rail (80) along the extending direction of the second guide rail (80), the second guide rail (80) is disposed on one of the crossbeam (40) and the slide saddle (70), and the second slider (90) is disposed on the other of the crossbeam (40) and the slide saddle (70); A second driving unit, the second driving unit is arranged on the cross beam (40) and is drivingly connected to the sliding saddle (70).

10. The processing equipment according to claim 8, characterized in that The processing equipment also includes: a workbench (100), the workbench (100) being movably disposed on the base (50) along a third predetermined direction parallel to the supporting base surface and being located below the crossbeam (40); a third guide rail (110) and a third slider (120), the third guide rail (110) extending along the third predetermined direction, the third slider (120) being slidably disposed on the third guide rail (110) along the extending direction of the third guide rail (110), the third guide rail (110) being disposed on one of the base (50) and the workbench (100), and the third slider (120) being disposed on the other of the base (50) and the workbench (100); A third driving unit is arranged on the base (50) and is drivingly connected to the workbench (100).

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