Desktop type five-axis machine tool

Abstract

The utility model discloses a desktop type five-axis machine tool which comprises a machine base and a five-axis machining part, and the five-axis machining part comprises a base, a gantry stand column, a Y-axis driving mechanism, a first moving seat, an X-axis driving mechanism, a second moving seat, a Z-axis driving mechanism, an electric spindle and a B-axis driving mechanism used for driving the electric spindle to do B-axis rotation motion. The base is provided with a plane workbench, a rotary workbench is embedded in the middle of the plane workbench, and a C-axis driving mechanism used for driving the rotary workbench to do C-axis rotation motion is arranged in the base. The desktop type five-axis machine tool has the advantages of being large in machining range, good in compatibility, high in use flexibility and wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of five-axis machine tools, in particular to a desktop five-axis machine tool. Background Art

[0002] With the increasing demand for personalized and customized products in the market, the requirements for the versatility of machine tools are becoming higher and higher. They must meet the requirements of five-axis linkage processing of special parts and three / four-axis linkage processing of conventional parts. However, the existing five-axis machine tools often have two or three processing platforms with moving and rotating functions. For conventional three-axis processing, this processing platform has a small clamping range and poor flexibility, which has certain limitations. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a desktop five-axis machine tool with a large processing range, good compatibility, high use flexibility and a wide range of applications.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A desktop five-axis machine tool comprises a machine base and a five-axis processing unit arranged on the machine base, wherein the five-axis processing unit comprises a base, a gantry column slidably connected to the base, a Y-axis driving mechanism for driving the gantry column to reciprocate along the Y-axis direction, a first moving seat slidably connected to the gantry column, an X-axis driving mechanism for driving the first moving seat to reciprocate along the X-axis direction, a second moving seat slidably connected to the first moving seat, a Z-axis driving mechanism for driving the second moving seat to reciprocate along the Z-axis direction, an electric spindle rotatably arranged on the second moving seat, and a B-axis driving mechanism for driving the electric spindle to perform B-axis rotational motion;

[0006] The base is provided with a planar worktable, a rotating worktable is embedded in the middle of the planar worktable, and a C-axis driving mechanism for driving the rotating worktable to perform C-axis rotational motion is arranged in the base.

[0007] As a further improvement of the above technical solution:

[0008] The working surface of the planar workbench and the working surface of the rotary workbench are in the same horizontal plane.

[0009] The planar workbench and the rotary workbench are both provided with a plurality of groups of T-slots.

[0010] The Y-axis driving mechanism includes a screw, a screw nut and a screw driving motor. The gantry column is fixedly connected to the screw nut. The screw driving motor drives the screw to rotate so that the screw nut drives the gantry column to reciprocate along the Y-axis direction.

[0011] The X-axis driving mechanism and the Z-axis driving mechanism both adopt linear modules.

[0012] The B-axis drive mechanism includes a B-axis drive motor fixedly disposed on the second movable seat, a first driving wheel and a first driven wheel rotatably disposed on the second movable seat, and a first synchronous belt, wherein the first driving wheel is connected to the output end of the B-axis drive motor, the electric spindle is circumferentially fixedly connected to the first driven wheel, and the first synchronous belt is wound between the first driving wheel and the first driven wheel.

[0013] The C-axis drive mechanism includes a C-axis drive motor fixedly arranged on the base, a second driving wheel and a second driven wheel rotatably arranged on the base, and a second synchronous belt, the second driving wheel is connected to the output end of the C-axis drive motor, the rotary worktable is circumferentially fixedly connected to the second driven wheel, and the second synchronous belt is wound between the second driving wheel and the second driven wheel.

[0014] A machine tool electric cabinet is arranged inside the machine base, a protective baffle is arranged on the upper part of the machine base, a chip removal port and a system panel are arranged on the side of the machine base, and a walking wheel is arranged on the bottom of the machine base.

[0015] Compared with the prior art, the advantages of the utility model are:

[0016] The desktop five-axis machine tool of the utility model is provided with a plane worktable on a base, and a rotary worktable capable of C-axis rotation is embedded in the middle of the plane worktable, so that the base has a C-axis processing area and a plane processing area. When performing five-axis processing, the rotary worktable can perform C-axis rotation to meet the five-axis processing requirements. When performing three-axis or four-axis processing, the plane worktable and the rotary worktable can be combined to form a plane processing platform with a large clamping range, which solves the shortcomings of the prior art that the five-axis machine tool is only provided with a rotary processing platform and has a small processing range. The utility model has the advantages of good compatibility, high flexibility in use, and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of a desktop five-axis machine tool.

[0018] Figure 2 It is a structural diagram of the five-axis machining unit.

[0019] Figure 3 This is a structural diagram of the five-axis machining part from another angle.

[0020] Figure 4 This is a schematic diagram of the half-section structure of the base.

[0021] Legend:

[0022] 1. Machine base; 2. Five-axis machining part; 201. Base; 202. Gantry column; 203. First moving seat; 204. Second moving seat; 205. Electric spindle; 3. Y-axis driving mechanism; 301. Screw; 302. Screw nut; 303. Screw driving motor; 304. Third driven wheel; 305. Third driving wheel; 4. X-axis driving mechanism; 5. Z-axis driving mechanism; 6. B-axis driving mechanism; 601. B-axis driving motor; 602. First driving wheel; 603. First driven wheel; 7. Planar worktable; 8. Rotary worktable; 9. C-axis driving mechanism; 901. C-axis driving motor; 902. Second driving wheel; 903. Second driven wheel; 10. T-slot; 11. Machine tool electric cabinet; 12. Protective baffle; 13. Chip removal port; 14. System panel; 15. Travel wheel. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] like Figures 1 to 3As shown, the desktop five-axis machine tool of this embodiment includes a machine base 1 and a five-axis processing unit 2 arranged on the machine base 1, and the five-axis processing unit 2 includes a base 201, a gantry column 202 slidably connected to the base 201, a Y-axis driving mechanism 3 for driving the gantry column 202 to reciprocate along the Y-axis direction, a first moving seat 203 slidably connected to the gantry column 202, an X-axis driving mechanism 4 for driving the first moving seat 203 to reciprocate along the X-axis direction, and a first moving seat 203 slidably connected to the gantry column 202. A second movable seat 204 on 203, a Z-axis driving mechanism 5 for driving the second movable seat 204 to reciprocate along the Z-axis direction, an electric spindle 205 rotatably arranged on the second movable seat 204, and a B-axis driving mechanism 6 for driving the electric spindle 205 to perform B-axis rotational motion; the base 201 is provided with a planar worktable 7, a rotating worktable 8 is embedded in the middle of the planar worktable 7, and a C-axis driving mechanism 9 for driving the rotating worktable 8 to perform C-axis rotational motion is arranged in the base 201. The desktop five-axis machine tool is provided with a plane worktable 7 on a base 201, and a rotary worktable 8 capable of C-axis rotation is embedded in the middle of the plane worktable 7, so that the base 201 has a C-axis processing area and a plane processing area. When performing five-axis processing, the rotary worktable 8 can perform C-axis rotation to meet the five-axis processing requirements. When performing three-axis or four-axis processing, the plane worktable 7 and the rotary worktable 8 can be combined to form a plane processing platform with a large clamping range, which solves the shortcomings of the prior art that the five-axis machine tool is only provided with a rotary processing platform and has a small processing range, and has the advantages of good compatibility, high flexibility of use, and a wide range of applications.

[0025] Preferably, the working surface of the planar worktable 7 and the working surface of the rotary worktable 8 are on the same horizontal plane, so that a larger workpiece can be stably placed on the planar worktable 7 and the rotary worktable 8 for three-axis or four-axis processing, meeting various processing requirements.

[0026] Preferably, a plurality of groups of T-slots 10 are provided on the planar worktable 7 and the rotary worktable 8, so that various types of fixtures can be installed on the planar worktable 7 or the rotary worktable 8, and the use flexibility is high.

[0027] like Figure 4 As shown, preferably, the Y-axis driving mechanism 3 includes a screw 301, a screw nut 302 and a screw driving motor 303. The gantry column 202 is fixedly connected to the screw nut 302. The screw driving motor 303 drives the screw 301 to rotate, so that the screw nut 302 drives the gantry column 202 to reciprocate along the Y-axis direction. In this embodiment, the Y-axis driving mechanism 3 adopts the form of screw transmission, which has the advantages of high transmission efficiency, high positioning accuracy, and strong load capacity. In other embodiments, the Y-axis driving mechanism 3 can also adopt components with reciprocating movement functions such as gear rack transmission and telescopic cylinder transmission, which is not limited to this embodiment.

[0028] It should be noted that, in the present embodiment, the end of the screw rod 301 is circumferentially fixedly connected to the third driven wheel 304, the output end of the screw rod driving motor 303 is connected to the third driving wheel 305, and the third synchronous belt (not shown in the figure) is wound between the third driven wheel 304 and the third driving wheel 305, and the screw rod driving motor 303 drives the screw rod 301 to rotate through the synchronous belt transmission; the two sets of legs of the gantry column 202 are fixedly connected to the same connecting plate, and the bottom of the connecting plate is fixedly connected to the screw rod nut 302, so that the connecting plate and the gantry column 202 thereon are driven to reciprocate through the screw rod nut 302.

[0029] Preferably, the X-axis drive mechanism 4 and the Z-axis drive mechanism 5 both adopt linear modules. In this embodiment, the X-axis drive mechanism 4 and the Z-axis drive mechanism 5 both adopt the form of linear modules, which have the advantages of high precision, high speed, compact structure, and convenient maintenance. The linear module is a mature unit product in the field of transmission equipment, and its composition and operation principle are not described here. In other embodiments, the X-axis drive mechanism 4 and the Z-axis drive mechanism 5 can also adopt components with reciprocating movement functions such as gear rack transmission and telescopic cylinder transmission, which are not limited to this embodiment.

[0030] like Figure 3 As shown, preferably, the B-axis drive mechanism 6 includes a B-axis drive motor 601 fixedly arranged on the second movable seat 204, a first driving wheel 602 and a first driven wheel 603 rotatably arranged on the second movable seat 204, and a first synchronous belt (not shown in the figure), the first driving wheel 602 is connected to the output end of the B-axis drive motor 601, the electric spindle 205 is circumferentially fixedly connected to the first driven wheel 603, and the first synchronous belt is wound between the first driving wheel 602 and the first driven wheel 603.

[0031] like Figure 4 As shown, preferably, the C-axis drive mechanism 9 includes a C-axis drive motor 901 fixedly arranged on the base 201, a second driving wheel 902 and a second driven wheel 903 rotatably arranged on the base 201, and a second synchronous belt (not shown in the figure), the second driving wheel 902 is connected to the output end of the C-axis drive motor 901, the rotary table 8 is circumferentially fixedly connected to the second driven wheel 903, and the second synchronous belt is wound between the second driving wheel 902 and the second driven wheel 903. In this embodiment, the B-axis drive mechanism 6 and the C-axis drive mechanism 9 are both in the form of synchronous belt transmission, which has the advantages of accurate transmission ratio, high transmission efficiency and stable operation. In other embodiments, the B-axis drive mechanism 6 and the C-axis drive mechanism 9 can also be directly connected by a rotary motor, connected by a gear transmission, and other components with a rotary transmission function, which are not limited to this embodiment.

[0032] Preferably, a machine tool electric cabinet 11 is arranged inside the machine base 1 , a protective baffle 12 is arranged on the top of the machine base 1 , a chip discharge port 13 and a system panel 14 are arranged on the side of the machine base 1 , and a travel wheel 15 is arranged on the bottom of the machine base 1 .

[0033] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, improvements and changes obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A desktop five-axis machine tool, characterized in that: The invention comprises a machine base (1) and a five-axis machining part (2) arranged on the machine base (1), wherein the five-axis machining part (2) comprises a base (201), a gantry column (202) slidably connected to the base (201), a Y-axis driving mechanism (3) for driving the gantry column (202) to reciprocate along the Y-axis direction, a first movable seat (203) slidably connected to the gantry column (202), an X-axis driving mechanism (4) for driving the first movable seat (203) to reciprocate along the X-axis direction, a second movable seat (204) slidably connected to the first movable seat (203), a Z-axis driving mechanism (5) for driving the second movable seat (204) to reciprocate along the Z-axis direction, an electric spindle (205) rotatably arranged on the second movable seat (204), and a B-axis driving mechanism (6) for driving the electric spindle (205) to perform B-axis rotational motion; The base (201) is provided with a planar worktable (7), a rotary worktable (8) is embedded in the middle of the planar worktable (7), and a C-axis driving mechanism (9) for driving the rotary worktable (8) to perform C-axis rotational motion is arranged in the base (201).

2. The desktop five-axis machine tool according to claim 1, characterized in that: The working surface of the planar working table (7) and the working surface of the rotary working table (8) are on the same horizontal plane.

3. The desktop five-axis machine tool according to claim 1, characterized in that: The planar workbench (7) and the rotary workbench (8) are both provided with a plurality of groups of T-shaped slots (10).

4. The desktop five-axis machine tool according to claim 1, characterized in that: The Y-axis driving mechanism (3) comprises a screw (301), a screw nut (302) and a screw driving motor (303); the gantry column (202) is fixedly connected to the screw nut (302); the screw driving motor (303) drives the screw (301) to rotate, so that the screw nut (302) drives the gantry column (202) to reciprocate along the Y-axis direction.

5. The desktop five-axis machine tool according to claim 1, characterized in that: The X-axis drive mechanism (4) and the Z-axis drive mechanism (5) both adopt linear modules.

6. The desktop five-axis machine tool according to claim 1, characterized in that: The B-axis driving mechanism (6) comprises a B-axis driving motor (601) fixedly arranged on the second movable seat (204), a first driving wheel (602) and a first driven wheel (603) rotatably arranged on the second movable seat (204), and a first synchronous belt, wherein the first driving wheel (602) is connected to the output end of the B-axis driving motor (601), the electric spindle (205) is circumferentially fixedly connected to the first driven wheel (603), and the first synchronous belt is wound between the first driving wheel (602) and the first driven wheel (603).

7. The desktop five-axis machine tool according to claim 1, characterized in that: The C-axis driving mechanism (9) comprises a C-axis driving motor (901) fixedly arranged on the base (201), a second driving wheel (902) and a second driven wheel (903) rotatably arranged on the base (201), and a second synchronous belt, wherein the second driving wheel (902) is connected to the output end of the C-axis driving motor (901), the rotating worktable (8) is circumferentially fixedly connected to the second driven wheel (903), and the second synchronous belt is wound between the second driving wheel (902) and the second driven wheel (903).

8. The desktop five-axis machine tool according to any one of claims 1 to 7, characterized in that: A machine tool electric cabinet (11) is arranged inside the machine base (1), a protective baffle (12) is arranged on the top of the machine base (1), a chip removal port (13) and a system panel (14) are arranged on the side of the machine base (1), and a travel wheel (15) is arranged at the bottom of the machine base (1).

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