Universal clamping tool for numerical control machine tool machining

Abstract

The utility model relates to the technical field of numerical control machine tool machining, and aims to provide a universal clamping tool for numerical control machine tool machining, which comprises a bottom plate, a driving device arranged on the bottom plate, a driven device arranged on one side of the driving device, a clamping device I arranged on the driving device, a clamping device II arranged on the driven device, and a clamping device II arranged on the driven device, an auxiliary clamping device is arranged between the first clamping device and the second clamping device, the cylindrical part is clamped and fixed to the middle of the numerical control base table, then the axis of the cylindrical part does not need to be corrected again, and operation steps are simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tool processing, in particular to a universal clamping tool for numerical control machine tool processing. Background Art

[0002] At present, with the continuous development of science and technology, CNC machine tools are becoming more and more commonly used for parts processing. The fixtures in CNC machine tools are also one of the main devices to determine whether the size of the processed parts is qualified.

[0003] When processing cylindrical parts, existing CNC machine tools generally clamp them through a three-jaw chuck. After clamping, the cylindrical parts generally need to be axially corrected, which makes it inconvenient to clamp and fix the cylindrical parts. Utility Model Content

[0004] The utility model aims to provide a universal clamping tool for CNC machine tool processing, which is used to solve the problems raised in the background technology and is convenient for promotion.

[0005] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0006] A universal clamping tool for CNC machine tool processing, comprising a base plate, a driving device is arranged on the base plate, a driven device is arranged on one side of the driving device, a clamping device 1 is arranged on the driving device, a clamping device 2 is arranged on the driven device, and an auxiliary clamping device is arranged between the clamping device 1 and the clamping device 2;

[0007] The driving device includes a driving box fixedly arranged on the base plate, a strip-shaped through hole is opened on the inner side of the driving box, a driving threaded rod is rotatably provided on the inner wall of the driving box, one end of the driving threaded rod away from the inner wall of the driving box passes through the driving box and is fixed with a driving knob, a screw nut pair is threadedly connected on the driving threaded rod, a driving connecting rod is fixedly provided on one side of the screw nut pair, and a driving rack is fixedly provided on the end of the driving connecting rod away from the screw nut pair through the strip-shaped through hole.

[0008] Furthermore, the driven device includes a driven box fixedly arranged on the base plate, a slide rail is provided in the driven box, a slider is slidably provided in the slide rail, a driven connecting rod is fixedly provided on the side of the slider away from the slide rail, a driven rack is fixedly provided on the end of the driven connecting rod away from the slider, an intermediate shaft is rotatably provided between the driven box and the driving box, an intermediate gear is provided on the intermediate shaft, and the intermediate gear is meshed with the driving rack and the driven rack.

[0009] Furthermore, the clamping device includes a clamping connecting rod fixedly arranged on the driving connecting rod, a clamping cross plate is fixedly arranged at one end of the clamping connecting rod away from the driving connecting rod, and a clamping wedge is arranged on the inner wall of the clamping cross plate.

[0010] Furthermore, the second clamping device includes a second clamping connecting rod fixedly arranged on the driven connecting rod, a second clamping cross plate is fixedly arranged on one end of the second clamping connecting rod away from the driven connecting rod, and a second clamping wedge is arranged on the inner wall of the second clamping cross plate.

[0011] Furthermore, the auxiliary clamping device includes an auxiliary threaded rod 1 and an auxiliary threaded rod 2 inserted on the clamping cross plate 2 and the clamping cross plate 1, the auxiliary threaded rod 1 is threadedly connected with a clamping nut 1 and a clamping nut 2, the clamping nut 1 and the clamping nut 2 are respectively arranged on the outer walls of the clamping cross plate 2 and the clamping cross plate 1, the auxiliary threaded rod 2 is threadedly connected with a clamping nut 3 and a clamping nut 4, the clamping nut 3 and the clamping nut 4 are respectively arranged on the outer walls of the clamping cross plate 2 and the clamping cross plate 1.

[0012] Furthermore, a placement plate is provided between the driven box and the driving box.

[0013] As an improvement, the beneficial effects of the utility model are:

[0014] The utility model discloses a universal clamping tool for CNC machine tool processing. When the equipment is working, the cylindrical part is first placed on the placement plate, and then the driving knob is turned to drive the rotation of the driving threaded rod, thereby driving the movement of the lead screw nut pair on the driving threaded rod, thereby driving the movement of the driving rack, and then the rotation of the intermediate gear is driven by the movement of the driving rack, thereby driving the movement of the driven rack, thereby realizing the centering movement of the clamping wedge block 1 and the clamping wedge block 2 at the same distance, and then through continuous movement, the clamping wedge block 1 and the clamping wedge block 2 are driven to center clamp the cylindrical part, and then the auxiliary threaded rod 1 and the auxiliary threaded rod 2 are inserted on the clamping cross plate 2 and the clamping cross plate 1, and then the cylindrical part is fixed for a second time by turning a plurality of clamping nuts, and finally the cylindrical part is clamped and fixed in the middle of the CNC base, so that there is no need to re-calibrate the axis of the cylindrical part, thereby simplifying the operation steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an isometric A view of a universal clamping tool for CNC machine tool processing of the utility model;

[0016] Figure 2 It is an isometric B view of a universal clamping tool for CNC machine tool processing of the utility model;

[0017] Figure 3This is an isometric C view of a universal clamping tool for CNC machine tool processing of the utility model;

[0018] Figure 4 For this utility model Figure 2 A in the enlarged view;

[0019] Figure 5 For this utility model Figure 3 The enlarged view of point B in the figure;

[0020] Reference table of reference numerals:

[0021] 1. Bottom plate; 2. Driving device; 201. Driving box; 202. Strip-shaped through hole; 203. Driving threaded rod; 204. Driving knob; 205. Screw nut pair; 206. Driving connecting rod; 207. Driving rack; 3. Driven device; 301. Driven box; 302. Slide rail; 303. Sliding block; 304. Driven connecting rod; 305. Driven rack; 306. Intermediate shaft; 307. Intermediate gear; 4. Clamping device 1; 401, clamping connecting rod 1; 402, clamping cross plate 1; 403, clamping wedge 1; 5, clamping device 2; 501, clamping connecting rod 2; 502, clamping cross plate 2; 503, clamping wedge 2; 6, auxiliary clamping device; 601, auxiliary threaded rod 1; 602, auxiliary threaded rod 2; 603, clamping nut 1; 604, clamping nut 2; 605, clamping nut 3; 606, clamping nut 4; 7, placement plate. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings. The same parts are represented by the same figure numbers. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0023] In order to make the content of the utility model easier to understand, the technical solution in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, wherein the same parts are represented by the same reference numerals.

[0024] according to Figures 1 to 5 As shown, a universal clamping tool for CNC machine tool processing includes a base plate 1, a driving device 2 is provided on the base plate 1, a driven device 3 is provided on one side of the driving device 2, a clamping device 1 4 is provided on the driving device 2, a clamping device 2 5 is provided on the driven device 3, and an auxiliary clamping device 6 is provided between the clamping device 1 4 and the clamping device 2 5.

[0025] The driving device 2 includes a driving box 201 fixedly arranged on the bottom plate 1, a strip-shaped through hole 202 is provided on the inner side of the driving box 201, a driving threaded rod 203 is rotatably provided on the inner wall of the driving box 201, one end of the driving threaded rod 203 away from the inner wall of the driving box 201 passes through the driving box 201 and is fixedly provided with a driving knob 204, a lead screw nut pair 205 is threadedly connected to the driving threaded rod 203, one side of the lead screw nut pair 205 is fixedly provided with a driving connecting rod 206, and one end of the driving connecting rod 206 away from the lead screw nut pair 205 passes through the strip-shaped through hole 202 and is fixedly provided with a driving rack 207, the driven device 3 includes a driven box 301 fixedly arranged on the bottom plate 1, a slide rail 302 is provided in the driven box 301, a slider 303 is slidably provided in the slide rail 302, and a driven connecting rod 304 is fixedly provided on the side of the slider 303 away from the slide rail 302, A driven rack 305 is fixedly provided at one end of the driven connecting rod 304 away from the slider 303, and an intermediate shaft 306 is rotatably provided between the driven box 301 and the driving box 201, and an intermediate gear 307 is provided on the intermediate shaft 306. The intermediate gear 307 meshes with the driving rack 207 and the driven rack 305. A placement plate 7 is provided between the driven box 301 and the driving box 201, and the cylindrical parts are placed on the placement plate 7. Then, by turning the driving knob 204, the driving threaded rod 203 is driven to rotate, and then the screw nut pair 205 is driven to move on the driving threaded rod 203, and then the driving rack 207 is driven to move. Then, the movement of the driving rack 207 drives the rotation of the intermediate gear 307, and then the movement of the driven rack 305 is driven, so as to realize the same distance centering movement of the clamping wedge block 1 403 and the clamping wedge block 2 503.

[0026] The clamping device 14 includes a clamping connecting rod 1401 fixedly arranged on the driving connecting rod 206, and a clamping cross plate 1402 is fixedly arranged on the end of the clamping connecting rod 1401 away from the driving connecting rod 206, and a clamping wedge 1403 is arranged on the inner wall of the clamping cross plate 1402. The clamping device 25 includes a clamping connecting rod 2501 fixedly arranged on the driven connecting rod 304, and a clamping cross plate 2502 is fixedly arranged on the end of the clamping connecting rod 2501 away from the driven connecting rod 304, and a clamping wedge 2503 is arranged on the inner wall of the clamping cross plate 2502. The auxiliary clamping device 6 includes an auxiliary threaded rod 1601 and an auxiliary threaded rod 2602 inserted on the clamping cross plate 2502 and the clamping cross plate 1402, and a clamping nut 1603 and a clamping nut 2604 are threadedly connected on the auxiliary threaded rod 1601, and the clamping nut 1603 and The clamping nut 604 is respectively arranged on the outer walls of the clamping cross plate 502 and the clamping cross plate 402, and the auxiliary threaded rod 602 is threadedly connected with the clamping nut 3 605 and the clamping nut 4 606. The clamping nut 3 605 and the clamping nut 4 606 are respectively arranged on the outer walls of the clamping cross plate 502 and the clamping cross plate 402, and through continuous movement, the clamping wedge block 403 and the clamping wedge block 503 are driven to clamp the cylindrical parts in the center, and then the auxiliary threaded rod 601 and the auxiliary threaded rod 602 are inserted into the clamping cross plate 502 and the clamping cross plate 402, and then the cylindrical parts are fixed for the second time by screwing a plurality of clamping nuts, and finally the cylindrical parts are clamped and fixed in the middle of the CNC base, so that there is no need to re-calibrate the axis of the cylindrical parts, which simplifies the operation steps.

[0027] The above are only preferred embodiments of the present utility model patent and are not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A universal clamping tool for CNC machine tool processing, comprising a base plate (1), characterized in that: A driving device (2) is provided on the bottom plate (1), a driven device (3) is provided on one side of the driving device (2), a clamping device (1) (4) is provided on the driving device (2), a clamping device (2) (5) is provided on the driven device (3), and an auxiliary clamping device (6) is provided between the clamping device (1) (4) and the clamping device (2) (5); The driving device (2) comprises a driving box (201) fixedly arranged on the bottom plate (1); a strip-shaped through hole (202) is provided on the inner side of the driving box (201); a driving threaded rod (203) is rotatably provided on the inner wall of the driving box (201); one end of the driving threaded rod (203) away from the inner wall of the driving box (201) passes through the driving box (201) and is fixedly provided with a driving knob (204); a lead screw nut pair (205) is threadedly connected to the driving threaded rod (203); a driving connecting rod (206) is fixedly provided on one side of the lead screw nut pair (205); and one end of the driving connecting rod (206) away from the lead screw nut pair (205) passes through the strip-shaped through hole (202) and is fixedly provided with a driving rack (207).

2. A universal clamping tool for CNC machine tool processing according to claim 1, characterized in that: The driven device (3) comprises a driven box (301) fixedly arranged on the bottom plate (1), a slide rail (302) being provided in the driven box (301), a slider (303) being slidably provided in the slide rail (302), a driven connecting rod (304) being fixedly provided on the side of the slider (303) away from the slide rail (302), a driven rack (305) being fixedly provided on the end of the driven connecting rod (304) away from the slider (303), an intermediate shaft (306) being rotatably provided between the driven box (301) and the driving box (201), an intermediate gear (307) being provided on the intermediate shaft (306), and the intermediate gear (307) being meshed with the driving rack (207) and the driven rack (305).

3. A universal clamping tool for CNC machine tool processing according to claim 2, characterized in that: The clamping device (4) comprises a clamping connecting rod (401) fixedly arranged on the driving connecting rod (206), a clamping cross plate (402) fixedly arranged at one end of the clamping connecting rod (401) away from the driving connecting rod (206), and a clamping wedge (403) is arranged on the inner wall of the clamping cross plate (402).

4. A universal clamping tool for CNC machine tool processing according to claim 3, characterized in that: The second clamping device (5) comprises a second clamping connecting rod (501) fixedly arranged on the driven connecting rod (304), and a second clamping cross plate (502) is fixedly arranged on one end of the second clamping connecting rod (501) away from the driven connecting rod (304), and a second clamping wedge block (503) is arranged on the inner wall of the second clamping cross plate (502).

5. A universal clamping tool for CNC machine tool processing according to claim 4, characterized in that: The auxiliary clamping device (6) includes an auxiliary threaded rod one (601) and an auxiliary threaded rod two (602) inserted on the clamping cross plate two (502) and the clamping cross plate one (402); the auxiliary threaded rod one (601) is threadedly connected with a clamping nut one (603) and a clamping nut two (604); the clamping nut one (603) and the clamping nut two (604) are respectively arranged on the outer walls of the clamping cross plate two (502) and the clamping cross plate one (402); the auxiliary threaded rod two (602) is threadedly connected with a clamping nut three (605) and a clamping nut four (606); the clamping nut three (605) and the clamping nut four (606) are respectively arranged on the outer walls of the clamping cross plate two (502) and the clamping cross plate one (402).

6. A universal clamping tool for CNC machine tool processing according to claim 2, characterized in that: A placement plate (7) is provided between the driven box (301) and the driving box (201).

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