Numerically-controlled machine tool facilitating multi-degree-of-freedom machining

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a numerical control machine tool convenient for multi-degree-of-freedom machining, which comprises a working table, a position adjusting mechanism arranged at the top of the working table, an angle adjusting mechanism arranged at the top of the working table, table legs fixedly mounted at the bottom of the working table, and a control unit arranged at the top of the working table, the position adjusting mechanism comprises a rotating assembly and a moving assembly, and the moving assembly is arranged on the top of the rotating assembly. A clamping plate moves to clamp a workpiece, the workpiece is prevented from moving in the grinding process, then the grinding precision is improved, a rotating frame is made to rotate, the clamped workpiece is driven to rotate, the clamped workpiece is made to rotate, the grinding device can conduct grinding operation on different positions of the workpiece, the applicability of the device is improved, and the practicability of the device is improved. And the grinding device is rotated, so that the grinding angle of the workpiece is adjusted, the angle adjustment of the grinding device is more accurate, and the grinding error is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool which is convenient for multi-degree-of-freedom processing. Background Art

[0002] CNC machine tools are short for digitally controlled machine tools, which are automated machine tools equipped with a program control system. They are usually used for cutting, milling, drilling and tapping of metal parts. With the development of society, people pay more and more attention to the quality and workmanship of metal accessories. When producing metal accessories, they often need to be carefully polished, so a CNC machine tool with multiple degrees of freedom is urgently needed.

[0003] According to the description of a CNC machine tool for multi-degree-of-freedom processing disclosed on the patent website (authorization announcement number: CN217194461U), "The utility model discloses a CNC machine tool for multi-degree-of-freedom processing, which relates to the technical field of CNC machine tools. In view of the problems that the existing CNC machine tools for multi-degree-of-freedom processing have single functions, complex operations, and cannot perform multi-angle grinding on accessories of different sizes, which is time-consuming and labor-intensive, and has high production costs, poor use effects, and low work efficiency, the following scheme is now proposed, including a processing table, the top of the processing table is fixedly connected to a frame, the top of the processing table is rotatably connected to two vertically arranged threaded rods, the top ends of the two threaded rods are rotatably connected to the top inner wall of the frame, the two threaded rods are fixedly connected to sprockets, and the two sprockets are transmission-connected to the same chain. The utility model has reasonable structural design and simple operation, can perform multi-angle grinding on metal accessories of different sizes, reduces the labor intensity of workers, has low production costs, good use effects, and high work efficiency."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model clamps the workpiece by pushing the clamping plate through the provided spring, and then grinds the workpiece using the grinding disc. However, when the spring is used to clamp the workpiece in actual use, the workpiece will shake back and forth during the grinding process, causing the workpiece to shake, and the clamping stability cannot be guaranteed. Therefore, it is necessary to improve a CNC machine tool that is convenient for multi-degree-of-freedom processing to solve the above problem. Utility Model Content

[0006] The utility model aims to provide a CNC machine tool which is convenient for multi-degree-of-freedom machining, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC machine tool that is convenient for multi-degree-of-freedom processing, comprising a workbench, a position adjustment mechanism is arranged on the top of the workbench, an angle adjustment mechanism is arranged on the top of the workbench, table legs are fixedly installed on the bottom of the workbench, and a control unit is arranged on the top of the workbench;

[0008] The position adjustment mechanism comprises a rotating assembly and a moving assembly, and the moving assembly is arranged on the top of the rotating assembly.

[0009] Preferably, the rotating assembly includes a power box, the power box is fixedly mounted on the bottom of the workbench, a motor 2 is fixedly mounted inside the power box, a bevel gear 1 is fixedly mounted on the output end of the motor 2, a bevel gear 2 is rotatably mounted inside the power box, a rotating frame is fixedly mounted on the top of the bevel gear 2, a bidirectional threaded rod is rotatably mounted inside the rotating frame, a clamping plate is threadedly mounted on the outer side of the bidirectional threaded rod, a motor 1 is fixedly mounted on the right side of the rotating frame, a dial 1 is fixedly mounted on the top of the workbench, and a pointer 1 is fixedly mounted on the front of the rotating frame, so that the clamped workpiece can be rotated, so that the grinding device can perform grinding operations on different positions of the workpiece, thereby increasing the applicability of the device.

[0010] Preferably, the bevel gear 1 is meshed with the bevel gear 2, the output end of the motor 1 is fixedly mounted on the bidirectional threaded rod, two groups of clamping plates are provided, and are symmetrically distributed at the center line position of the front face of the rotating frame, and the distributed threads are installed on the outer sides of the two ends of the bidirectional threaded rod in opposite directions, and the clamping plates are slidably installed on the inner side of the rotating frame to rotate the rotating frame.

[0011] Preferably, the moving component includes a mounting frame, the mounting frame is fixedly mounted on the top of the workbench, a threaded rod 1 is rotatably mounted inside the mounting frame, a sliding frame is threadedly mounted on the outer surface of the threaded rod 1, a threaded rod 2 is rotatably mounted inside the sliding frame, a sliding block is threadedly mounted on the outer surface of the threaded rod 2, a lifting platform is fixedly mounted on the bottom of the sliding block, a motor 3 is fixedly mounted on the left side of the mounting frame, and a motor 4 is fixedly mounted inside the threaded rod 1, so that the grinding device can perform grinding operations on different positions of the workpiece.

[0012] Preferably, the third output end of the motor is fixedly mounted on the first threaded rod, the fourth output end of the motor is fixedly mounted on the second threaded rod, and the sliding block is slidably mounted inside the sliding frame, so that the grinding device can move in multiple directions.

[0013] Preferably, the angle adjustment mechanism includes an installation box, the installation box is fixedly installed at the bottom of the lifting platform, a worm is rotatably installed inside the installation box, a motor five is fixedly installed on the top of the installation box, a rotating shaft is rotatably installed inside the installation box, a worm wheel is fixedly installed on the outside of the rotating shaft, a gear one is fixedly installed on the outside of the rotating shaft, a gear two is rotatably installed inside the installation box, a dial two is fixedly installed on the front of the installation box, a grinding device is fixedly installed on the front of the gear two, and a pointer two is fixedly installed on the top of the grinding device, so that the grinding device is rotated to adjust the grinding angle of the workpiece. Because the diameter of the rotating shaft is smaller than the diameter of gear two, it rotates at a low speed, so that the angle adjustment of the grinding device is more precise and the grinding error is reduced.

[0014] Preferably, the gear one is meshed with the gear two, and the diameter of the gear one is smaller than the diameter of the gear two, and the worm is meshed with the worm wheel, so that the grinding device rotates at a low speed.

[0015] Compared with the prior art, the utility model provides a CNC machine tool that is convenient for multi-degree-of-freedom processing and has the following beneficial effects:

[0016] 1. The CNC machine tool which is convenient for multi-degree-of-freedom processing has a position adjustment mechanism. During use, the clamping plate moves to clamp the workpiece to prevent the workpiece from moving during the grinding process, thereby increasing the grinding accuracy, and rotating the rotating frame to drive the clamped workpiece to rotate, so that the clamped workpiece can be rotated, and the grinding device can perform grinding operations on different positions of the workpiece, thereby increasing the applicability of the device.

[0017] 2. The CNC machine tool which is convenient for multi-degree-of-freedom processing, through the angle adjustment mechanism, makes the grinding device rotate during use, thereby adjusting the grinding angle of the workpiece. Because the diameter of the rotating shaft is smaller than the diameter of the second gear, it rotates at a low speed, so that the angle adjustment of the grinding device is more accurate and the grinding error is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the appearance structure of the position adjustment mechanism of the utility model;

[0021] Figure 3This is a schematic diagram of the cross-sectional structure of the rotating assembly of the utility model;

[0022] Figure 4 This is a schematic diagram of the exploded structure of the mobile component of the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the angle adjustment mechanism of the utility model.

[0024] In the figure: 1. workbench; 2. position adjustment mechanism; 21. rotating assembly; 211. power box; 212. bevel gear one; 213. bevel gear two; 214. rotating frame; 215. bidirectional threaded rod; 216. clamping plate; 217. motor one; 218. dial one; 219. pointer one; 2110. motor two; 22. moving assembly; 221. mounting frame; 222. threaded rod one; 223. sliding frame; 224. threaded rod two; 225. sliding block; 226. lifting platform; 227. motor three; 228. motor four; 3. angle adjustment mechanism; 31. mounting box; 32. worm; 33. motor five; 34. rotating shaft; 35. worm wheel; 36. gear one; 37. gear two; 38. grinding device; 39. dial two; 310. pointer two; 4. table leg; 5. control unit. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-4The utility model provides a technical solution: a CNC machine tool that is convenient for multi-degree-of-freedom processing, comprising a workbench 1, a position adjustment mechanism 2 is arranged on the top of the workbench 1, an angle adjustment mechanism 3 is arranged on the top of the workbench 1, a table leg 4 is fixedly installed on the bottom of the workbench 1, and a control unit 5 is arranged on the top of the workbench 1;

[0029] The position adjustment mechanism 2 includes a rotating assembly 21 and a moving assembly 22 . The moving assembly 22 is arranged on the top of the rotating assembly 21 .

[0030] Furthermore, the rotating assembly 21 includes a power box 211, which is fixedly installed at the bottom of the workbench 1, a motor 2110 is fixedly installed inside the power box 211, a bevel gear 212 is fixedly installed at the output end of the motor 2110, a bevel gear 213 is rotatably installed inside the power box 211, a rotating frame 214 is fixedly installed on the top of the bevel gear 213, a bidirectional threaded rod 215 is rotatably installed inside the rotating frame 214, a clamping plate 216 is threadedly installed on the outer side of the bidirectional threaded rod 215, a motor 217 is fixedly installed on the right side of the rotating frame 214, a dial 218 is fixedly installed on the top of the workbench 1, and a pointer 219 is fixedly installed on the front of the rotating frame 214, so that the clamped workpiece can be rotated, so that the grinding device 38 can perform grinding operations on different positions of the workpiece, thereby increasing the applicability of the device.

[0031] Furthermore, bevel gear 1 212 is meshed with bevel gear 2 213, the output end of motor 1 217 is fixedly mounted on the bidirectional threaded rod 215, two groups of clamping plates 216 are provided, and are symmetrically distributed at the center line position of the front face of the rotating frame 214, and the distributed threads are installed on the outer sides of the two ends of the bidirectional threaded rod 215 with opposite thread directions, and the clamping plates 216 are slidably installed on the inner side of the rotating frame 214 to rotate the rotating frame 214.

[0032] Furthermore, the moving component 22 includes a mounting frame 221, which is fixedly mounted on the top of the workbench 1, a threaded rod 222 is rotatably mounted inside the mounting frame 221, a sliding frame 223 is threadedly mounted on the outer surface of the threaded rod 222, a threaded rod 224 is rotatably mounted inside the sliding frame 223, a sliding block 225 is threadedly mounted on the outer surface of the threaded rod 224, a lifting platform 226 is fixedly mounted on the bottom of the sliding block 225, a motor 3 227 is fixedly mounted on the left side of the mounting frame 221, and a motor 4 228 is fixedly mounted inside the threaded rod 222, so that the grinding device 38 can perform grinding operations on different positions of the workpiece.

[0033] Furthermore, the output end of motor three 227 is fixedly installed with threaded rod one 222, the output end of motor four 228 is fixedly installed with threaded rod two 224, and the sliding block 225 is slidably installed inside the sliding frame 223, so that the grinding device 38 can move in multiple directions.

[0034] Embodiment two:

[0035] See also Figure 5 In combination with the first embodiment, it is further obtained that the angle adjustment mechanism 3 includes an installation box 31, the installation box 31 is fixedly installed at the bottom of the lifting platform 226, a worm 32 is rotatably installed inside the installation box 31, a motor 5 is fixedly installed on the top of the installation box 31, a rotating shaft 34 is rotatably installed inside the installation box 31, a worm wheel 35 is fixedly installed on the outside of the rotating shaft 34, a gear 1 36 is fixedly installed on the outside of the rotating shaft 34, a gear 2 37 is rotatably installed inside the installation box 31, a dial 2 39 is fixedly installed on the front of the installation box 31, a grinding device 38 is fixedly installed on the front of the gear 2 37, and a pointer 2 310 is fixedly installed on the top of the grinding device 38, so that the grinding device 38 rotates, and then the angle of grinding the workpiece is adjusted. Because the diameter of the rotating shaft 34 is smaller than the diameter of the gear 2 37, it rotates at a low speed, so that the angle adjustment of the grinding device 38 is more accurate, and the grinding error is reduced.

[0036] Furthermore, gear one 36 meshes with gear two 37 , and the diameter of gear one 36 is smaller than the diameter of gear two 37 , and the worm 32 meshes with the worm wheel 35 , so that the grinding device 38 rotates at a low speed.

[0037] In actual operation, when this device is used, the workpiece to be polished is placed on the inner side of the clamping plate 216, and the motor 1 217 is started. The output end of the motor 1 217 drives the bidirectional threaded rod 215 to rotate. The rotation of the bidirectional threaded rod 215 drives the clamping plate 216 to move. The clamping plate 216 moves to clamp the workpiece. The motor 2 2110 is started. The output end of the motor 2 2110 drives the bevel gear 1 212 to rotate. The rotation of the bevel gear 1 212 drives the bevel gear 2 213 meshing therewith to rotate. The rotation of the bevel gear 213 causes the rotating frame 214 to rotate, thereby driving the clamped workpiece to rotate. The motor 3 2110 is started. 27. The output end of motor three 227 drives the threaded rod one 222 to rotate, and the rotation of threaded rod one 222 causes the sliding frame 223 to move, and the motor four 228 is started. The rotation of motor four 228 drives the threaded rod two 224 to rotate, and the rotation of threaded rod two 224 drives the sliding block 225 to slide inside the sliding frame 223, thereby adjusting the position of the grinding device 38, and the motor five 33 is started. The output end of motor five 33 drives the worm 32 to rotate, and the rotation of the worm 32 drives the worm wheel 35 meshing with it to rotate, and the rotation of the worm wheel 35 drives the gear two 37 meshing with it to rotate, and the rotation of gear two 37 drives the grinding device 38 to rotate, thereby adjusting the grinding angle of the workpiece.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A numerically controlled machine tool for multi-degree-of-freedom machining, comprising a workbench (1), characterized in that: The top of the workbench (1) is provided with a position adjustment mechanism (2), the top of the workbench (1) is provided with an angle adjustment mechanism (3), the bottom of the workbench (1) is fixedly provided with table legs (4), and the top of the workbench (1) is provided with a control unit (5); The position adjustment mechanism (2) comprises a rotating component (21) and a moving component (22), wherein the moving component (22) is arranged on top of the rotating component (21).

2. A CNC machine tool for multi-degree-of-freedom machining according to claim 1, characterized in that: The rotating assembly (21) comprises a power box (211), the power box (211) is fixedly mounted at the bottom of the workbench (1), a second motor (2110) is fixedly mounted inside the power box (211), a bevel gear (212) is fixedly mounted on the output end of the second motor (2110), a second bevel gear (213) is rotatably mounted inside the power box (211), a rotating frame (214) is fixedly mounted on the top of the second bevel gear (213), a bidirectional threaded rod (215) is rotatably mounted inside the rotating frame (214), a clamping plate (216) is threadedly mounted on the outer side of the bidirectional threaded rod (215), a first motor (217) is fixedly mounted on the right side of the rotating frame (214), a dial plate (218) is fixedly mounted on the top of the workbench (1), and a pointer (219) is fixedly mounted on the front of the rotating frame (214).

3. A CNC machine tool for multi-degree-of-freedom machining according to claim 2, characterized in that: The bevel gear 1 (212) is meshed with the bevel gear 2 (213); the output end of the motor 1 (217) is fixedly mounted on the bidirectional threaded rod (215); two groups of the clamping plates (216) are provided and symmetrically distributed at the center line position of the front face of the rotating frame (214); the distributed threads are installed on the outer sides of the two ends of the bidirectional threaded rod (215) in opposite thread directions; and the clamping plates (216) are slidably mounted on the inner side of the rotating frame (214).

4. A CNC machine tool for multi-degree-of-freedom machining according to claim 1, characterized in that: The moving assembly (22) comprises a mounting frame (221), wherein the mounting frame (221) is fixedly mounted on the top of the workbench (1), a threaded rod 1 (222) is rotatably mounted inside the mounting frame (221), a sliding frame (223) is threadedly mounted externally on the threaded rod 1 (222), a threaded rod 2 (224) is rotatably mounted inside the sliding frame (223), a sliding block (225) is threadedly mounted externally on the threaded rod 2 (224), a lifting platform (226) is fixedly mounted at the bottom of the sliding block (225), a motor 3 (227) is fixedly mounted on the left side of the mounting frame (221), and a motor 4 (228) is fixedly mounted inside the threaded rod 1 (222).

5. A CNC machine tool for multi-degree-of-freedom machining according to claim 4, characterized in that: The output end of the motor three (227) is fixedly mounted on the threaded rod one (222), the output end of the motor four (228) is fixedly mounted on the threaded rod two (224), and the sliding block (225) is slidably mounted inside the sliding frame (223).

6. A CNC machine tool for multi-degree-of-freedom machining according to claim 4, characterized in that: The angle adjustment mechanism (3) comprises an installation box (31), wherein the installation box (31) is fixedly installed at the bottom of the lifting platform (226), a worm (32) is rotatably installed inside the installation box (31), a motor five (33) is fixedly installed on the top of the installation box (31), a rotating shaft (34) is rotatably installed inside the installation box (31), a worm wheel (35) is fixedly installed on the outside of the rotating shaft (34), a gear one (36) is fixedly installed on the outside of the rotating shaft (34), a gear two (37) is rotatably installed inside the installation box (31), a dial two (39) is fixedly installed on the front of the installation box (31), a grinding device (38) is fixedly installed on the front of the gear two (37), and a pointer two (310) is fixedly installed on the top of the grinding device (38).

7. A CNC machine tool for multi-degree-of-freedom machining according to claim 6, characterized in that: The gear one (36) is meshed with the gear two (37), and the diameter of the gear one (36) is smaller than the diameter of the gear two (37), and the worm (32) is meshed with the worm wheel (35).

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