Workpiece clamping tool for numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, in particular to a workpiece clamping tool for a numerical control machine tool, which comprises a machining table and bent plates, the outer wall of the machining table is fixedly connected with the outer walls of the bent plates, mounting holes are machined in the two bent plates, and the interior of the machining table is fixedly connected with the outer walls of vertical blocks. A handle in the clamping device drives a worm to rotate, the worm drives a worm gear to rotate, the worm gear drives a stand column to rotate, the stand column drives a rotating disc to rotate, the rotating disc drives cylinders to move, four cylinders drive transverse columns to move, four transverse columns slide in a vertical block, the four transverse columns drive the stand column to move, and four stand columns are connected in a sliding mode in the machining table. According to the clamping tool, the four stand columns drive the clamping plates to move, the four clamping plates drive the rubber pads to move, a worker rotates the clamping device to drive the multiple clamping plates to move at the same time so as to clamp a workpiece, the clamping steps are reduced, the consumed time is shortened, and the workpiece clamping efficiency of the clamping tool is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled machine tools, in particular to a workpiece clamping tool for numerically controlled machine tools. Background Art

[0002] CNC machine tools are automated machine tools equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, and represent them in coded numbers. They are input into the CNC device through information carriers, and after calculation and processing, the CNC device sends various control signals to control the movement of the machine tool, and automatically processes parts according to the shape and size required by the drawing. When the CNC machine tool processes the workpiece, it needs to be clamped by a clamping tool.

[0003] For example, a workpiece clamping device for a CNC machine tool with the authorization announcement number CN213497778U comprises a silicone hose, an electric telescopic rod is arranged on the upper end of the base plate, and a rubber block is fixedly connected to the side of the second mounting block close to the center of the mounting plate. Although the above-mentioned document can reduce the operation of personnel, save time and effort, and is convenient and quick to use, it can also be applied to the processing needs of most machine tools, greatly improving the practicality; however, when in use, the clamping tool is in the process of clamping the workpiece processed by the CNC machine tool, and the staff turns a plurality of adjusting bolts in sequence to drive the second mounting block to move, and clamps the workpiece recently. After completion, the CNC machine tool processes the workpiece. Since there are many clamping steps and it takes a long time to clamp the workpiece, the clamping efficiency of the clamping tool on the workpiece is reduced. Utility Model Content

[0004] The utility model aims to solve the problem of reducing the clamping efficiency of the clamping tool for the workpiece, and proposes a workpiece clamping tool for a numerically controlled machine tool.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A workpiece clamping fixture for a CNC machine tool is designed, comprising a processing table and a curved plate, wherein the outer wall of the processing table is fixedly connected to the outer wall of the curved plate, mounting holes are processed inside the two curved plates, the interior of the processing table is fixedly connected to the outer wall of the vertical block, the interior of the processing table is slidably connected to the interior of the vertical plate, and a clamping device is provided inside the processing table.

[0007] Preferably, the clamping device includes a handle, a worm and a worm wheel, the handle is fixed to the outer wall of the worm, the worm is rotatably connected to the curved plate through a bearing, the worm is meshed with the worm wheel, the worm wheel is fixed to the outer wall of the column, and the outer wall of the column is fixedly connected to the inside of the turntable.

[0008] Preferably, the interior of the turntable is slidably connected to a cylinder, and an end of the cylinder is fixedly connected to an outer wall of the cross column.

[0009] Preferably, the interior of the processing table is rotatably connected to the columns via bearings, and the cross columns are slidably connected to the interior of the vertical blocks.

[0010] Preferably, the end of the vertical plate is fixedly connected to the outer wall of the horizontal column, and the outer wall of the vertical plate is fixedly connected to the outer wall of the clamping plate.

[0011] Preferably, the outer wall of the clamping plate is fixedly connected to the outer wall of the rubber pad.

[0012] The utility model proposes a workpiece clamping fixture for a numerically controlled machine tool, which has the beneficial effects of: a handle in the clamping device drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the column to rotate, the column drives the turntable to rotate, the turntable drives the cylinder to move, the four cylinders drive the cross columns to move, the four cross columns slide in the blocks, the four cross columns drive the columns to move, the four columns are connected by sliding inside the processing table, the four columns drive the clamping plates to move, the four clamping plates drive the rubber pads to move, and the workpiece is clamped. When the clamping fixture is set to clamp the workpiece processed by the numerically controlled machine tool, the staff rotates the clamping device to drive multiple clamping plates to move at the same time to clamp the workpiece, the clamping steps are reduced, the time spent is reduced, and the clamping efficiency of the clamping fixture for the workpiece is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of the front view structure of

[0015] Figure 3 for Figure 2 A schematic diagram of a top view structure;

[0016] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0017] In the figure: 1, processing table, 2, curved plate, 3, mounting hole, 4, clamping device, 401, handle, 402, worm, 403, worm wheel, 404, column, 405, turntable, 5, cylinder, 6, horizontal column, 7, vertical plate, 8, clamping plate, 9, rubber pad, 10, vertical block. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] See attached Figure 1-4In the present embodiment, a workpiece clamping fixture for a numerically controlled machine tool comprises a processing table 1 and a curved plate 2. The outer wall of the processing table 1 is fixedly connected to the outer wall of the curved plate 2. The interiors of the two curved plates 2 are both processed with mounting holes 3. The curved plate 2 is placed in an external numerically controlled machine tool. The processing table 1 is mounted to the interior of the numerically controlled machine tool through the mounting holes 3. The interior of the processing table 1 is fixedly connected to the outer wall of the vertical block 10. The interior of the processing table 1 is slidably connected to the interior of the vertical plate 7. A clamping device 4 is provided inside the processing table 1. The clamping device 4 comprises a handle 401, a worm 402 and a worm wheel 403. The handle 401 is fixedly connected to the worm 402. On the outer wall of the column 404, the handle 401 drives the worm 402 to rotate, the worm 402 is rotatably connected to the curved plate 2 through the bearing, the worm 402 is meshed with the worm wheel 403, the worm 402 drives the worm wheel 403 to rotate, the worm wheel 403 is fixedly connected to the outer wall of the column 404, the worm wheel 403 drives the column 404 to rotate, the outer wall of the column 404 is fixedly connected to the inside of the turntable 405, the column 404 drives the turntable 405 to rotate, the inside of the turntable 405 is slidably connected to the cylinder 5, the turntable 405 drives the cylinder 5 to move, the end of the cylinder 5 is fixedly connected to the outer wall of the cross column 6, and the four cylinders 5 drive the cross column 6 to move;

[0020] The handle 401 in the clamping device 4 drives the worm 402 to rotate, the worm 402 drives the worm wheel 403 to rotate, the worm wheel 403 drives the column 404 to rotate, the column 404 drives the turntable 405 to rotate, the turntable 405 drives the cylinder 5 to move, the four cylinders 5 drive the cross columns 6 to move, the four cross columns 6 slide in the vertical block 10, the four cross columns 6 drive the vertical plates 7 to move, the four vertical plates 7 are connected by sliding inside the processing table 1, the four vertical plates 7 drive the clamping plates 8 to move, the four clamping plates 8 drive the rubber pads 9 to move, and the workpiece is clamped. When the clamping tool is set to clamp the workpiece processed by the CNC machine tool, the staff rotates the clamping device 4 to drive multiple clamping plates 8 to move at the same time to clamp the workpiece, the clamping steps are reduced, the time spent is reduced, and the clamping efficiency of the clamping tool for the workpiece is improved.

[0021] See attached Figure 1-4 In this embodiment, the interior of the processing table 1 is rotatably connected to the column 404 through a bearing, and the cross columns 6 are all slidably connected to the interior of the vertical block 10. The four cross columns 6 slide in the vertical block 10. The ends of the vertical plates 7 are fixedly connected to the outer walls of the cross columns 6. The outer walls of the vertical plates 7 are fixedly connected to the outer walls of the clamping plates 8. The four cross columns 6 drive the vertical plates 7 to move. The four vertical plates 7 are slidably connected to the interior of the processing table 1. The four vertical plates 7 drive the clamping plates 8 to move. The four clamping plates 8 drive the rubber pads 9 to move to clamp the workpiece. After completion, the staff stops rotating the handle 401, and the rubber pads 9 protect the workpiece to avoid clamping marks on the surface of the workpiece. The outer walls of the clamping plates 8 are fixedly connected to the outer walls of the rubber pads 9.

[0022] Working principle:

[0023] When the workpiece clamping fixture for a CNC machine tool is in use, the staff puts the curved plate 2 in the external CNC machine tool, and installs the processing table 1 into the interior of the CNC machine tool through the mounting hole 3. After completion, the staff puts the workpiece on the surface of the processing table 1, and then the staff rotates the clamping device 4, the staff rotates the handle 401, the handle 401 drives the worm 402 to rotate, the worm 402 drives the worm wheel 403 to rotate, the worm wheel 403 drives the column 404 to rotate, the column 404 drives the turntable 405 to rotate, the turntable 405 drives the cylinder 5 to move, the four cylinders 5 drive the cross columns 6 to move, the four cross columns 6 slide in the vertical block 10, and the four cross The column 6 drives the vertical plate 7 to move, and the four vertical plates 7 are connected by sliding inside the processing table 1. The four vertical plates 7 drive the clamping plates 8 to move, and the four clamping plates 8 drive the rubber pads 9 to move to clamp the workpiece. After completion, the staff stops rotating the handle 401, and the rubber pads 9 protect the workpiece to avoid clamping marks on the surface of the workpiece. The external CNC machine tool is opened to process the clamped workpiece. After processing, the staff rotates the handle 401 in the opposite direction, and the four clamping plates 8 return to the initial position, release the fixed clamping, remove the processed workpiece from the external CNC machine tool, and repeat the moving steps to continue clamping the workpiece.

[0024] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A workpiece clamping fixture for a numerically controlled machine tool, comprising a processing table (1) and a curved plate (2), wherein the outer wall of the processing table (1) is fixedly connected to the outer wall of the curved plate (2), characterized in that: The insides of the two curved plates (2) are both machined with mounting holes (3); the inside of the processing table (1) is fixedly connected to the outer wall of the vertical block (10); the inside of the processing table (1) is slidably connected to the inside of the vertical plate (7); and a clamping device (4) is provided inside the processing table (1).

2. The workpiece clamping fixture for a CNC machine tool according to claim 1, characterized in that: The clamping device (4) comprises a handle (401), a worm (402) and a worm wheel (403); the handle (401) is fixedly connected to the outer wall of the worm (402); the worm (402) is rotatably connected to the curved plate (2) via a bearing; the worm (402) is meshed with the worm wheel (403); the worm wheel (403) is fixedly connected to the outer wall of the column (404); and the outer wall of the column (404) is fixedly connected to the inside of the turntable (405).

3. The workpiece clamping fixture for a CNC machine tool according to claim 2, characterized in that: The interior of the rotating disk (405) is slidably connected to the cylinder (5), and the end of the cylinder (5) is fixedly connected to the outer wall of the cross column (6).

4. The workpiece clamping fixture for a CNC machine tool according to claim 3, characterized in that: The interior of the processing table (1) is rotatably connected to the column (404) via a bearing, and the cross columns (6) are slidably connected to the interior of the vertical block (10).

5. The workpiece clamping fixture for a CNC machine tool according to claim 1, characterized in that: The end of the vertical plate (7) is fixedly connected to the outer wall of the horizontal column (6), and the outer wall of the vertical plate (7) is fixedly connected to the outer wall of the clamping plate (8).

6. The workpiece clamping fixture for a CNC machine tool according to claim 5, characterized in that: The outer wall of the clamping plate (8) is fixedly connected to the outer wall of the rubber pad (9).

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