Numerical control machine tool machining clamp

Abstract

The utility model relates to the technical field of numerical control machine tool machining, and aims to provide a numerical control machine tool machining clamp which comprises a bottom plate, an adjusting assembly is arranged on the outer wall of the bottom plate, a clamping assembly is arranged on the adjusting assembly, a lifting assembly is arranged below the bottom plate, and a moving assembly is arranged on the lifting assembly. An auxiliary clamping assembly is arranged on the moving assembly, additional clamping support is provided for a workpiece through introduction of the auxiliary clamping assembly, displacement or deformation caused by uneven stress of the workpiece in the machining process is effectively prevented, and therefore the machining precision and the flexible adjusting function of the adjusting assembly are guaranteed; according to the clamping device, the clamping assembly can be accurately adjusted according to different shapes and sizes of workpieces, the clamping stability and the machining accuracy are further improved, through mutual cooperation of the adjusting assembly, the lifting assembly, the moving assembly and the auxiliary clamping assembly, rapid and accurate clamping and positioning of the workpieces are achieved, and the operation convenience is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool processing technology, and in particular to a CNC machine tool processing fixture. Background Technology

[0002] In the field of CNC machine tool machining, fixtures, as key tooling equipment, play a vital role in ensuring machining accuracy and improving production efficiency. With the continuous development of the manufacturing industry, increasingly higher demands are being placed on the functionality, flexibility, and adaptability of fixtures. Traditional fixture designs often suffer from problems such as complex structures, cumbersome operation, and non-adjustable or limited clamping force, making it difficult to meet the high-efficiency and precision requirements of modern CNC machine tool machining.

[0003] Specifically, traditional fixtures typically only offer a single clamping method when holding workpieces, lacking auxiliary clamping means. This makes the workpiece prone to displacement or deformation during processing, affecting machining quality. Furthermore, the adjustment mechanisms of traditional fixtures are often inflexible, unable to achieve quick and accurate adjustments, increasing the workload of operators and reducing production efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a CNC machine tool machining fixture to solve the problems mentioned in the background art and facilitate its promotion.

[0005] A CNC machine tool machining fixture includes a base plate, an adjustment component on the outer wall of the base plate, a clamping component on the adjustment component, a lifting component below the base plate, a moving component on the lifting component, and an auxiliary clamping component on the moving component.

[0006] The lifting assembly includes lifting support frames symmetrically arranged below the base plate. The lifting support frames are provided with lifting bushings, and lifting rods are inserted into the lifting bushings. Lifting adjustment holes are opened on the lifting rods. Lifting limit bolts are inserted into the lifting bushings, and lifting nuts are threaded through the lifting bushings.

[0007] Furthermore, the movable component includes movable bushings symmetrically arranged on the outer wall of the lifting rod, a movable rod inserted into the movable bushing, a movable fixing plate fixed at one end of the movable rod, a plurality of evenly arranged movable threaded holes on the movable rod, and a movable limiting bolt inserted into the movable bushing, the movable limiting bolt passing through the movable bushing and threadedly connected to the movable threaded hole.

[0008] Furthermore, the auxiliary clamping assembly includes a clamping threaded rod threadedly connected to the movable fixed plate. One end of the clamping threaded rod is fixedly provided with a clamping knob, and the other end of the clamping threaded rod away from the clamping knob is rotatably provided with an auxiliary clamping plate. A telescopic rod is provided between the auxiliary clamping plate and the movable fixed plate.

[0009] Furthermore, the adjustment assembly includes an adjustment frame one and an adjustment frame two fixedly mounted on the outer wall of the base plate. An adjustment support frame is provided on the side wall of the base plate, and an adjustment motor is fixedly mounted on the adjustment support frame. An adjustment rod is fixedly mounted on the output end of the adjustment motor. The end of the adjustment rod away from the output end of the adjustment motor is rotatably mounted on the inner wall of the adjustment frame one. An adjustment thread one and an adjustment thread two are provided on the adjustment rod. A lead screw and nut pair are threadedly connected to the adjustment thread one and the adjustment thread two. A guide shaft is provided between the adjustment frames two, and a guide shaft sleeve is fitted on the guide shaft.

[0010] Furthermore, the clamping assembly includes a clamping vertical plate fixedly disposed between the guide bushing and the lead screw nut pair, a clamping horizontal plate disposed between the clamping vertical plates, and a clamping plate fixedly disposed on the inner wall of the clamping horizontal plate.

[0011] Furthermore, the threads of the adjusting thread one and the adjusting thread two have opposite directions of rotation.

[0012] As an improvement, the beneficial effects of this utility model are as follows:

[0013] This utility model discloses a CNC machine tool machining fixture. By introducing an auxiliary clamping component, it provides additional clamping support for the workpiece, effectively preventing displacement or deformation of the workpiece due to uneven force during machining, thereby ensuring machining accuracy. The flexible adjustment function of the adjustment component allows the clamping component to be precisely adjusted according to the different shapes and sizes of the workpiece, further improving the stability of clamping and the accuracy of machining. Through the cooperation of the adjustment component, lifting component, moving component and auxiliary clamping component, the workpiece can be quickly and accurately clamped and positioned, greatly improving the convenience of operation. Attached Figure Description

[0014] Figure 1 This is an isometric A-view of a CNC machine tool machining fixture according to the present invention;

[0015] Figure 2 This is an isometric B-view of a CNC machine tool machining fixture according to this utility model;

[0016] Figure 3 This is an isometric C-view of a CNC machine tool machining fixture according to the present invention;

[0017] Figure 4 This utility model Figure 1 Enlarged view of point A in the image;

[0018] Figure 5 This utility model Figure 2 Enlarged view of point B in the image;

[0019] Figure 6 This utility model Figure 2 Enlarged view of point C in the image;

[0020] Figure 7 This utility model Figure 2 Enlarged view of point D in the image;

[0021] Figure 8 This utility model Figure 3 Enlarged view of point E in the image;

[0022] Reference table for attached figures:

[0023] 1. Base plate; 2. Adjustment assembly; 201. Adjustment frame one; 202. Adjustment frame two; 203. Adjustment support frame; 204. Adjustment motor; 205. Adjustment rod; 206. Adjustment thread one; 207. Adjustment thread two; 208. Lead screw and nut pair; 209. Guide shaft; 210. Guide bushing; 3. Clamping assembly; 301. Clamping vertical plate; 302. Clamping horizontal plate; 303. Clamping plate; 4. Lifting assembly; 401. Lifting... Support frame; 402, lifting bushing; 403, lifting rod; 404, lifting adjustment hole; 405, lifting limit bolt; 406, lifting nut; 5, moving assembly; 501, moving bushing; 502, moving rod; 503, moving fixing plate; 504, moving threaded hole; 505, moving limit bolt; 6, clamping assembly; 601, clamping threaded rod; 602, clamping knob; 603, auxiliary clamping plate; 604, telescopic rod. Detailed Implementation

[0024] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0025] To make the content of this utility model easier to understand, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Identical components are indicated by the same reference numerals.

[0026] This embodiment provides a CNC machine tool machining fixture, including a base plate 1, an adjustment component 2 on the outer wall of the base plate 1, a clamping component 3 on the adjustment component 2, a lifting component 4 below the base plate 1, a moving component 5 on the lifting component 4, and an auxiliary clamping component 6 on the moving component 5.

[0027] In this embodiment, the lifting assembly 4 is disposed below the base plate 1 to realize the overall lifting operation of the fixture. Specifically, the lifting assembly 4 includes lifting support frames 401 symmetrically arranged below the base plate 1. The lifting support frames 401 are stably supported below the base plate 1 to ensure the stability of the lifting process.

[0028] A lifting bushing 402 is provided on the upper part of the lifting support frame 401. The lifting bushing 402 provides a channel for the insertion of the lifting rod 403. The lifting rod 403 is provided with a lifting adjustment hole 404 for adjusting the extension length of the lifting rod 403, thereby realizing fine adjustment of the overall lifting height of the fixture.

[0029] To lock the position of the lifting rod 403, a lifting limit bolt 405 is also inserted into the lifting sleeve 402. The lifting limit bolt 405 passes through the lifting sleeve 402 and is threadedly connected to the lifting nut 406. By tightening or loosening the lifting nut 406, the position of the lifting rod 403 can be locked or released.

[0030] In this embodiment, the moving component 5 is disposed on the lifting component 4 to realize the overall movement operation of the clamp. Specifically, the moving component 5 includes a moving bushing 501 symmetrically disposed on the outer wall of the lifting rod 403. The moving bushing 501 provides a channel for the moving rod 502 to be inserted.

[0031] A movable fixing plate 503 is fixedly provided at one end of the movable rod 502 for connecting and supporting the subsequent auxiliary clamping assembly 6. Multiple evenly arranged movable threaded holes 504 are provided on the movable rod 502. These movable threaded holes 504 cooperate with the movable limit bolts 505 to adjust the extension length of the movable rod 502, thereby achieving fine-tuning of the overall movement position of the clamp.

[0032] The movable limit bolt 505 passes through the movable bushing 501 and is threaded into the movable threaded hole 504. By tightening or loosening the movable limit bolt 505, the position of the movable rod 502 can be locked or released.

[0033] In this embodiment, the auxiliary clamping component 6 is disposed on the movable component 5 and is used to perform auxiliary clamping operations on the workpiece. Specifically, the auxiliary clamping component 6 includes a clamping threaded rod 601 threadedly connected to the movable fixed plate 503. One end of the clamping threaded rod 601 is fixedly provided with a clamping knob 602 for convenient rotation adjustment by the operator.

[0034] An auxiliary clamping plate 603 is rotatably mounted on the end of the clamping threaded rod 601 away from the clamping knob 602. A telescopic rod 604 is provided between the auxiliary clamping plate 603 and the movable fixed plate 503 to maintain the stability of the auxiliary clamping plate 603 during the clamping process. By rotating the clamping knob 602, the clamping threaded rod 601 can be driven to extend or retract, thereby causing the auxiliary clamping plate 603 to clamp or release the workpiece.

[0035] In this embodiment, the adjustment component 2 is disposed on the outer wall of the base plate 1 and is used to adjust the clamping component 3. Specifically, the adjustment component 2 includes an adjustment frame 1 201 and an adjustment frame 202 fixedly disposed on the outer wall of the base plate 1. An adjustment support frame 203 is provided on the side wall of the base plate 1, and an adjustment motor 204 is fixedly disposed on the adjustment support frame 203.

[0036] An adjusting rod 205 is fixedly mounted on the output end of the adjusting motor 204. The end of the adjusting rod 205 away from the output end of the adjusting motor 204 is rotatably mounted on the inner wall of the adjusting frame 201. The adjusting rod 205 has an adjusting thread 206 and an adjusting thread 207, which are turned in opposite directions to enable bidirectional movement of the lead screw and nut assembly 208.

[0037] The lead screw nut assembly 208 is threadedly connected to adjusting thread one 206 and adjusting thread two 207, and achieves stable movement through the guidance of guide shaft 209 and guide sleeve 210. Guide shaft 209 is disposed between adjusting bracket two 202, and guide sleeve 210 is sleeved on guide shaft 209.

[0038] In this embodiment, the clamping assembly 3 includes a clamping vertical plate 301 fixedly disposed between the guide sleeve 210 and the lead screw nut pair 208. A clamping horizontal plate 302 is provided between the clamping vertical plates 301, and a clamping plate 303 is fixedly disposed on the inner wall of the clamping horizontal plate 302. By adjusting the drive of the motor 204, the position of the clamping plate 303 can be adjusted, thereby achieving stable clamping of the workpiece.

[0039] The above are merely preferred embodiments of this utility model patent and are not intended to limit this utility model patent. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.

Claims

1. A machining jig for a numerically controlled machine tool, comprising a base plate (1), characterized in that, The bottom plate (1) is provided with an adjusting assembly (2) on the outer wall, the adjusting assembly (2) is provided with a clamping assembly (3), the bottom plate (1) is provided with a lifting assembly (4) below, the lifting assembly (4) is provided with a moving assembly (5), and the moving assembly (5) is provided with an auxiliary clamping assembly (6); The lifting assembly (4) comprises lifting support frames (401) symmetrically arranged below the bottom plate (1), lifting shaft sleeves (402) are arranged on the lifting support frames (401), lifting rods (403) are inserted into the lifting shaft sleeves (402), lifting adjusting holes (404) are formed in the lifting rods (403), lifting limiting bolts (405) are inserted into the lifting shaft sleeves (402), and lifting nuts (406) are threadedly connected to the lifting limiting bolts (405) penetrating through the lifting shaft sleeves (402).

2. A machining jig for a numerically controlled machine tool according to claim 1, wherein The moving assembly (5) comprises moving shaft sleeves (501) symmetrically arranged on the outer walls of the lifting rods (403), moving rods (502) are inserted into the moving shaft sleeves (501), moving fixed plates (503) are fixedly arranged at one end of the moving rods (502), a plurality of moving threaded holes (504) arranged uniformly are formed in the moving rods (502), and moving limiting bolts (505) are inserted into the moving shaft sleeves (501).

3. A machining jig for a numerically controlled machine tool according to claim 2, wherein The auxiliary clamping assembly (6) comprises a clamping threaded rod (601) threadedly connected to the moving fixed plate (503), a clamping knob (602) is fixedly arranged at one end of the clamping threaded rod (601), an auxiliary clamping plate (603) is rotatably arranged at the end, away from the clamping knob (602), of the clamping threaded rod (601), and an expansion rod (604) is arranged between the auxiliary clamping plate (603) and the moving fixed plate (503).

4. A machining jig for a numerically controlled machine tool according to claim 3, wherein The adjusting assembly (2) comprises adjusting frame one (201) and adjusting frame two (202) fixedly arranged on the outer wall of the bottom plate (1), an adjusting support frame (203) is arranged on the side wall of the bottom plate (1), an adjusting motor (204) is fixedly arranged on the adjusting support frame (203), an adjusting rod (205) is fixedly arranged on the output end of the adjusting motor (204), the adjusting rod (205) is rotatably arranged on the inner wall of the adjusting frame one (201) at the end, away from the output end of the adjusting motor (204), a first adjusting thread (206) and a second adjusting thread (207) are formed in the adjusting rod (205), a lead screw nut pair (208) is threadedly connected to the first adjusting thread (206) and the second adjusting thread (207), a guide shaft (209) is arranged between the adjusting frame two (202), and a guide shaft sleeve (210) is arranged on the guide shaft (209).

5. A numerically controlled machine tool processing fixture according to claim 4, characterized in that, The clamping assembly (3) comprises clamping vertical plates (301) fixed between the guide bush (210) and the screw nut pair (208), and clamping horizontal plates (302) arranged between the clamping vertical plates (301), and clamping plates (303) fixed on the inner walls of the clamping horizontal plates (302).

6. A machine tool processing fixture according to claim 4, characterized in that, The screw threads of the first adjusting screw thread (206) and the second adjusting screw thread (207) are opposite in rotation direction.

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