Rotating disc type double-workbench clamping mechanism of numerical control machine tool

Abstract

The utility model relates to the technical field of clamping mechanisms of numerical control machine tools, in particular to a rotating disc type double-workbench clamping mechanism of a numerical control machine tool. By arranging the rotating disc body, rotating switching of the two clamping workbenches is achieved, in the machining process of a workpiece clamped on one clamping workbench through a machining tool, the other clamping workbench is located on a loading and unloading station, the machining tool can be compactly connected with the front workpiece and the rear workpiece for machining, and the machining efficiency is improved; due to the fact that each clamping workbench is provided with the corresponding rotary clamping tool, when the workpieces are clamped on the rotary clamping tools, the workpieces can rotate in the machining process, angle adjustment of the workpieces is facilitated, the multi-angle machining requirement of the workpieces is met, on the other hand, after the workpieces are machined and the surfaces of the workpieces are washed, cutting fluid can be left on the clamping tools, and machining efficiency is improved. And the clamping tool is rotated to the second state, so that the cutting fluid on the clamping tool can be completely discharged, and the tool clamp is prevented from being rusted.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping mechanisms of numerically controlled machine tools, in particular to a turntable type double-worktable clamping mechanism of a numerically controlled machine tool. Background Art

[0002] In the structure of CNC machine tools, there is usually a fixed-position fixture for positioning and clamping the workpiece to be processed, so that the workpiece clamped on the fixture can be fine-machined by the tool controlled by the XYZ three-axis moving module.

[0003] However, since the workpiece is clamped in a fixed position, when multiple angles of the workpiece need to be processed, multiple fixtures need to be set up specifically. After the workpiece is processed at one angle on one fixture, it needs to be transferred to another fixture to complete processing at other angles. In addition, the frequent loading and unloading of the fixtures results in an incomplete connection between the loading and unloading of the materials, and the processing efficiency is low. On the other hand, after the workpiece is processed, cutting fluid and debris will remain on the surface of the workpiece and need to be flushed. When flushing, existing fixtures usually retain sewage, which is difficult to drain clean and easily causes the fixture to rust. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a turntable type double-worktable clamping mechanism for a CNC machine tool, which can realize efficient multi-angle processing of workpieces and facilitate sufficient drainage after flushing the workpieces.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] The rotary table double worktable clamping mechanism of the CNC machine tool includes:

[0007] frame;

[0008] A turntable body rotatably connected to the frame;

[0009] Clamping workbench, the number of the clamping workbench is 2, and the two clamping workbench are connected to the upper part of the turntable body in a centrally symmetrical manner;

[0010] A rotary clamping fixture, the rotary clamping fixture being rotatably connected to a clamping workbench, the rotary clamping fixture being used to clamp a workpiece to be processed, the rotary clamping fixture comprising a clamping table and a plurality of clamp units disposed on the clamping table, the rotation axis of the rotary clamping fixture being parallel to a horizontal plane;

[0011] A machining tool, wherein the machining tool is connected to the frame via an XYZ three-axis moving module;

[0012] In the first state, one surface of the workpiece clamped by the rotary clamping fixture of one clamping workbench is located below the machining tool; the other clamping workbench is located at the loading and unloading station;

[0013] In the second state, the clamping surface of the clamping table of the rotary clamping fixture of one of the clamping workbenches faces downward.

[0014] Furthermore, in the above-mentioned turntable double-worktable clamping mechanism of the CNC machine tool, the turntable double-worktable clamping mechanism further comprises:

[0015] A partition plate is connected to the turntable body and is located between two rotating clamping fixtures.

[0016] Furthermore, in the above-mentioned turntable double-worktable clamping mechanism of the CNC machine tool, the clamping unit includes a rotary cylinder and a clamping claw connected to the output shaft of the rotary cylinder.

[0017] Furthermore, in the above-mentioned rotary table double worktable clamping mechanism of the CNC machine tool, the XYZ three-axis moving module includes:

[0018] A first screw guide rail assembly, wherein the first screw guide rail assembly is connected to the frame along the X direction;

[0019] a first movable seat, the first movable seat being movably connected to the first screw guide rail assembly;

[0020] a second screw guide rail assembly, the second screw guide rail assembly being connected to the first movable seat along the Y direction;

[0021] a second movable seat, the second movable seat being movably connected to the second screw guide rail assembly;

[0022] a third screw guide rail assembly, the third screw guide rail assembly being connected to the second movable seat along the Z direction;

[0023] a third movable seat, the third movable seat being movably connected to the third screw guide rail assembly;

[0024] The machining tool is connected to the third movable seat.

[0025] Furthermore, in the turntable-type double-worktable clamping mechanism of the above-mentioned CNC machine tool, the processing tool includes a tool positioning disk, which is rotatably connected to a third movable seat, and a plurality of processing tool heads are distributed in a circular array on the tool positioning disk. In the first state, one of the processing tool heads faces the workpiece clamped by the rotating clamping tooling of one of the clamping worktables.

[0026] The beneficial effect of the present invention is that: by setting the turntable body, the rotation switching of the two clamping workbenches is realized, and the workpiece clamped on one clamping workbench is in the process of being processed by the processing tool, while the other clamping workbench is located at the loading and unloading station, and the unloading and loading of the workpiece clamped on the loading and unloading station can be completed by an external manipulator, so that the processing tool can compactly connect the processing of the two front and rear workpieces, thereby improving the processing efficiency. Since a rotary clamping fixture is provided on each clamping workbench, the workpiece can be rotated during the processing when clamped on the rotary clamping fixture, which is convenient for adjusting the angle of the workpiece and meeting the multi-angle processing requirements of the workpiece. On the other hand, after the workpiece processing is completed and the workpiece surface is rinsed, cutting fluid will remain on the clamping fixture. By rotating the rotary clamping fixture to the second state, the cutting fluid on the clamping fixture can be drained, thereby avoiding rust on the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural schematic diagram from a first perspective of a turntable double-worktable clamping mechanism for a CNC machine tool according to a specific embodiment of the utility model;

[0028] Figure 2 for Figure 1 A magnified view of part A;

[0029] Figure 3 This is a structural schematic diagram from a second perspective of a turntable-type double-worktable clamping mechanism for a CNC machine tool according to a specific embodiment of the utility model;

[0030] Figure 4 for Figure 3 A magnified view of part B;

[0031] Description of labels:

[0032] 1. Turntable body;

[0033] 2. Clamping workbench;

[0034] 3. Rotary clamping fixture; 31. Clamping table; 32. Fixture unit; 321. Rotary cylinder;

[0035] 4. Processing tool; 41. Tool positioning plate; 42. Processing tool head;

[0036] 5. Separator;

[0037] 6. XYZ three-axis moving module; 61. First screw guide rail assembly; 62. First moving seat; 63. Second screw guide rail assembly; 64. Second moving seat; 65. Third screw guide rail assembly; 66. Third moving seat; 7. Workpiece. DETAILED DESCRIPTION

[0038] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

[0039] Please refer to Figures 1 to 4 , the turntable double worktable clamping mechanism of the CNC machine tool includes:

[0040] frame;

[0041] A turntable body 1 rotatably connected to the frame;

[0042] Clamping workbench 2, the number of said clamping workbench 2 is two, and the two said clamping workbench 2 are centrally symmetrically connected to the upper part of the turntable body 1;

[0043] A rotary clamping fixture 3, the rotary clamping fixture 3 being rotatably connected to the clamping workbench 2, the rotary clamping fixture 3 being used to clamp a workpiece 7 to be processed, the rotary clamping fixture 3 comprising a clamping table 31 and a plurality of clamp units 32 disposed on the clamping table 31, the rotation axis of the rotary clamping fixture 3 being parallel to a horizontal plane;

[0044] A machining tool 4, wherein the machining tool 4 is connected to the frame via an XYZ three-axis moving module 6;

[0045] In the first state, one surface of the workpiece 7 clamped by the rotary clamping fixture 3 of one clamping workbench 2 is located below the machining tool 4; the other clamping workbench 2 is located at the loading and unloading station;

[0046] In the second state, the clamping surface of the clamping table 31 of the rotary clamping fixture 3 of one of the clamping workbenches 2 faces downward.

[0047] In the above embodiment, by setting the turntable body 1, the rotation switching of the two clamping workbenches 2 is realized. When the workpiece 7 clamped on one clamping workbench 2 is processed by the processing tool 4, the other clamping workbench 2 is located at the loading and unloading station. The unloading and loading of the workpiece 7 clamped on the loading and unloading station can be completed by an external manipulator, so that the processing tool 4 can compactly connect the processing of the two front and rear workpieces 7, thereby improving the processing efficiency. Since a rotary clamping fixture 3 is provided on each clamping workbench 2, the workpiece 7 can be rotated during the processing when clamped on the rotary clamping fixture 3, which is convenient for adjusting the angle of the workpiece 7 and meeting the multi-angle processing requirements of the workpiece 7. On the other hand, after the workpiece 7 is processed and the surface of the workpiece 7 is rinsed, cutting fluid will remain on the clamping fixture 3. By rotating the rotary clamping fixture 3 to the second state, the cutting fluid on the clamping fixture can be drained, thereby avoiding rust on the fixture.

[0048] Furthermore, in the above-mentioned turntable double-worktable clamping mechanism of the CNC machine tool, the turntable double-worktable clamping mechanism further comprises:

[0049] The partition plate 5 is connected to the turntable body 1 and is located between the two rotary clamping fixtures 3 .

[0050] In the above embodiment, during the processing of the workpiece 7 on one of the clamping workbenches 2 , the partition plate 5 can prevent debris from splashing onto the other clamping workbench 2 .

[0051] Furthermore, in the above-mentioned rotary table double-worktable clamping mechanism of the CNC machine tool, the clamping unit 32 includes a rotary cylinder 321 and a clamping claw connected to the output shaft of the rotary cylinder 321 .

[0052] In the above embodiment, referring to Figure 2 The workpiece 7 is positioned and clamped on the rotary clamping fixture 3 through multiple rotary cylinders 321 cooperating with the clamping claws.

[0053] Furthermore, in the above-mentioned rotary table double worktable clamping mechanism of the CNC machine tool, the XYZ three-axis moving module 6 includes:

[0054] A first screw guide rail assembly 61, wherein the first screw guide rail assembly 61 is connected to the frame along the X direction;

[0055] A first movable seat 62 movably connected to the first screw guide rail assembly 61 ;

[0056] A second screw guide rail assembly 63, wherein the second screw guide rail assembly 63 is connected to the first movable seat 62 along the Y direction;

[0057] A second movable seat 64 movably connected to the second screw guide rail assembly 63 ;

[0058] A third screw guide rail assembly 65 , wherein the third screw guide rail assembly 65 is connected to the second movable seat 64 along the Z direction;

[0059] A third movable seat 66 , wherein the third movable seat 66 is movably connected to the third screw guide rail assembly 65 ;

[0060] The machining tool 4 is connected to the third movable seat 66 .

[0061] Furthermore, in the turntable-type double-worktable clamping mechanism of the above-mentioned CNC machine tool, the processing tool 4 includes a tool positioning disk 41, and the tool positioning disk 41 is rotatably connected to the third movable seat 66. A plurality of processing tool heads 42 are distributed in a circular array on the tool positioning disk 41. In the first state, one of the processing tool heads 42 faces the workpiece 7 clamped by the rotating clamping tool 3 of one of the clamping workbenches 2.

[0062] In the above embodiment, by designing the structure of the tool positioning plate 41 , efficient switching of various machining tools 4 can be achieved, satisfying the switching of various machining methods at multiple angles of the workpiece 7 .

[0063] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. The rotary table double worktable clamping mechanism of the CNC machine tool is characterized by: include: frame; A turntable body rotatably connected to the frame; Clamping workbench, the number of the clamping workbench is 2, and the two clamping workbench are connected to the upper part of the turntable body in a centrally symmetrical manner; A rotary clamping fixture, the rotary clamping fixture being rotatably connected to a clamping workbench, the rotary clamping fixture being used to clamp a workpiece to be processed, the rotary clamping fixture comprising a clamping table and a plurality of clamp units disposed on the clamping table, the rotation axis of the rotary clamping fixture being parallel to a horizontal plane; A machining tool, wherein the machining tool is connected to the frame via an XYZ three-axis moving module; In the first state, one surface of the workpiece clamped by the rotary clamping fixture of one clamping workbench is located below the machining tool; the other clamping workbench is located at the loading and unloading station; In the second state, the clamping surface of the clamping table of the rotary clamping fixture of one of the clamping workbenches faces downward.

2. The rotary table double worktable clamping mechanism for a CNC machine tool according to claim 1, characterized in that: The turntable double workbench clamping mechanism also includes: A partition plate is connected to the turntable body and is located between two rotating clamping fixtures.

3. The rotary table double worktable clamping mechanism for a CNC machine tool according to claim 1, characterized in that: The clamp unit includes a rotary cylinder and a clamping claw connected to an output shaft of the rotary cylinder.

4. The rotary table double worktable clamping mechanism for a CNC machine tool according to claim 1, characterized in that: The XYZ three-axis moving module includes: A first screw guide rail assembly, wherein the first screw guide rail assembly is connected to the frame along the X direction; a first movable seat, the first movable seat being movably connected to the first screw guide rail assembly; a second screw guide rail assembly, the second screw guide rail assembly being connected to the first movable seat along the Y direction; a second movable seat, the second movable seat being movably connected to the second screw guide rail assembly; a third screw guide rail assembly, the third screw guide rail assembly being connected to the second movable seat along the Z direction; a third movable seat, the third movable seat being movably connected to the third screw guide rail assembly; The machining tool is connected to the third movable seat.

5. The rotary table double worktable clamping mechanism for a CNC machine tool according to claim 1, characterized in that: The processing tool includes a tool positioning disk, which is rotatably connected to the third movable seat. A plurality of processing tool heads are arranged on the tool positioning disk in a circumferential array. In the first state, A machining head faces a workpiece clamped by a rotary clamping fixture on one of the clamping tables.

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