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Clamp for machine tool and machine tool using same
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A fixture and machine tool technology, applied in the field of numerical control, can solve problems such as falling off, workpiece offset, and workpiece crushing, and achieve the effect of simplifying the fixture structure and installation process and improving precision
Active Publication Date: 2022-05-24
南通新强机床制造有限公司
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However, the disadvantages of the above scheme are that since the ejector is located directly below the press block assembly, it is necessary to place it on the ejector from the side when installing the workpiece to be processed. The top surface of the ejection part is a smooth surface, so when the workpiece is placed on it, the vibration of the machine tool may cause the workpiece to shift or fall off the ejection part, and it is necessary to use a positioning block to clamp the workpiece with side force, so that the workpiece Slight changes in position may cause crushing of the workpiece
Method used
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Embodiment 1
[0038] see Figure 1 to Figure 6 , the present invention provides a kind of technical scheme:
[0039] A fixture for a machine tool, comprising:
[0040] substrate 1;
[0041] The storage part 3, used for placing the workpiece 9, includes a bottom plate 30 and a storage plate 31 embedded on the bottom plate 30;
[0042] The clamping part 4 includes a pressing block 40, a stopper 41 fixed on the base plate 1, and a first driving device 42 penetrating through the base plate 1, and the pressing block 40 connected to the output shaft of the first driving device 42;
[0043] The second driving device 2 is used to drive the storage part 3 to move on the base plate 1, so as to change the relative position of the storage part 3 and the escaping groove 400 on the pressing block 40;
[0044] Initially, there is a distance between the storage part 3 and the stopper 41 , the workpiece 9 is exposed out of the field of view of the escaping groove 400 , and the storage part 3 and the pres...
Embodiment 2
[0055] see Figure 7 to Figure 10 , the present invention provides a kind of technical scheme, which is basically the same as Embodiment 1, and the slight difference is:
[0056] The bottom plate 30 is provided with a groove 300 for accommodating the storage board 31, a return spring 302 is installed between the bottom of the storage board 31 and the bottom of the groove 300, and there are guide posts 6 on both sides of the storage board 31. Insert the adjustment slot 7.
[0057] In this embodiment, since the size and width of the workpiece 9 may be different, by setting a number of adjustment grooves 7, the guide posts 6 are inserted into the adjustment grooves 7 at different positions, so as to limit the workpieces 9 of different widths, which is convenient for It can be processed by adapting to workpieces 9 of different sizes.
[0058] Different from the guide post 6 moving up and down with the storage board 31 in Embodiment 1, in this embodiment, the guide post 6 does no...
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Abstract
The invention provides a clamp for a machine tool and the machine tool using the same. The clamp comprises a base plate; the object placing part is used for placing workpieces and comprises a bottom plate and an object placing plate embedded in the bottom plate; an output shaft of the first driving device is connected with the pressing block; the second driving device is used for driving the object placing part to move on the base plate so as to change the relative position of the object placing part and the avoiding groove in the pressing block; at the initial time, a distance is formed between the object placing part and the stop block, the workpiece is exposed out of the view of the receding groove, and when the second driving device drives the object placing part to abut against the stop block during alignment, the workpiece is exposed in the view of the receding groove; the first driving device is used for driving the pressing block to be close to or away from the base plate so as to clamp or loosen the workpiece. According to the invention, the combination of the stamping female die structure and the CNC clamp is realized, the machining is completed in one procedure, the workpiece does not need to be moved, the forming machining procedure is shortened, the clamping error is reduced, the machining efficiency is improved, and the workpiece can be ensured to be clamped without side damage.
Description
technical field [0001] The invention relates to the technical field of numerical control, in particular to a fixture for a machine tool and a machine tool using the same. Background technique [0002] At present, the application of CNC machine tools in factory processing is relatively common. CNC machine tools can automatically process any product directly according to the program pre-programmed by technicians. A die is a special workpiece for batch processing of materials (metal or non-metal) into the required punching parts. The punch of the die separates or plastically deforms the workpiece to obtain the desired finished or semi-finished product. In the prior art solution: the CNC machine tool clamp and CNC machine tool proposed by the authorization bulletin number CN210995988U, the CNC machine tool clamp includes: a base plate; a clamping part includes a pressing block assembly and a fixed block fixed on the base plate, so The fixed block is used to place the workpiece...
Claims
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Application Information
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