Tool clamp for numerical control milling

Abstract

A tool clamp for numerical control milling comprises a workbench, a clamping assembly is installed at the upper end of the workbench, two clamping mechanisms are arranged at the upper end of the clamping assembly, a positioning mechanism is installed at the front end of the workbench, the positioning mechanism comprises two fixing plates, and guide columns are slidably connected into the two fixing plates. And one end of the guide column extends to the inner side of the fixed plate and is fixedly connected with a V-shaped plate. By arranging the positioning mechanism comprising the V-shaped plate and the guide column and combining driving of the two-way screw and the servo motor, efficient and accurate positioning of the special-shaped workpiece is achieved, the V-shaped plate can be adaptively moved and adjusted according to the specific shape of the workpiece, it is ensured that the workpiece is accurately positioned on the normal position of the clamping assembly, the machining precision is greatly improved, and the machining efficiency is improved. And through the design of the adjusting screw rod and the knob, the position of the V-shaped plate can be finely adjusted so as to adapt to the positioning requirements of workpieces with different shapes or sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooling clamping technical field, concretely relates to a tooling clamping for numerical control milling processing. BACKGROUND

[0002] With the rapid development of modern manufacturing industry, numerical control milling technology has become an indispensable important link. In the numerical control milling process, tooling clamping as the key equipment to ensure the machining accuracy and efficiency of workpiece, its performance and technical level directly affect the quality and benefit of the whole machining process, tooling clamping for numerical control milling is the device for positioning and clamping workpiece in machining, it ensures that workpiece can keep stable when machining on numerical control milling machine, thereby improving machining accuracy and efficiency.

[0003] However, the traditional tooling clamping mode often has problems such as inaccurate positioning and unstable clamping when facing special-shaped workpieces, which not only affects the machining accuracy, but also may cause workpiece damage or low machining efficiency. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, a tooling clamping for numerical control milling is provided, which solves the problems of inaccurate positioning and unstable clamping of the traditional tooling clamping mode when facing special-shaped workpieces, which not only affects the machining accuracy, but also may cause workpiece damage or low machining efficiency.

[0005] To achieve the above purposes, the technical scheme adopted by the utility model is as follows:

[0006] A tooling clamping for numerical control milling, comprising a workbench, a clamping assembly is installed on the upper end of the workbench, two sets of clamping mechanisms are arranged on the upper end of the clamping assembly, a positioning mechanism is installed on the front end of the workbench, the positioning mechanism comprises two sets of fixed plates, a guide column is slidably connected in the two sets of fixed plates, and a V-shaped plate is fixedly connected to the inner side of the guide column at one end.

[0007] Preferably, the positioning mechanism further comprises two sets of mounting plates and two sets of moving plates, a guide rod is fixedly connected between the two sets of mounting plates, the two sets of moving plates are slidably connected to the outer side of the guide rod, a connecting plate is fixedly connected to the upper end of the moving plate, and the fixed plate is fixedly connected to the upper end of the connecting plate.

[0008] Preferably, a bidirectional screw is rotatably connected between the two sets of mounting plates, the outer sides of the two ends of the bidirectional screw are provided with threads and the rotation directions are opposite, the two sets of moving plates are threadedly connected to the outer sides of the two ends of the bidirectional screw, a servo motor is fixedly installed on the outer side of one of the mounting plates, and the output end of the servo motor is fixedly connected to the inner side of the mounting plate and the bidirectional screw.

[0009] Preferably, one end of the fixed plate is internally screwed with an adjusting screw rod, one end of the adjusting screw rod is fixedly connected with a knob, and the other end of the adjusting screw rod extends to the inner side of the fixed plate and is rotationally connected with the V-shaped plate.

[0010] Preferably, the clamping assembly comprises a positioning table, a tail support block and a head support block, the positioning table is fixedly installed at the middle of the workbench, the tail support block is fixedly connected to the front side of the positioning table, the head support block is fixedly connected to the rear side of the positioning table, and two groups of the clamping mechanisms are respectively installed at the upper ends of the head support block and the tail support block.

[0011] Preferably, the clamping mechanism comprises a mounting frame and a positioning block, the inner side of the mounting frame is fixedly connected with two groups of guide rods, the positioning block is slidingly connected to the outer side of the guide rods, a hydraulic cylinder is installed at the upper end of the mounting frame, and the output end of the hydraulic cylinder extends to the inside of the mounting frame and is fixedly connected with the positioning block.

[0012] Compared with the prior art, the utility model have the advantages that through setting up the positioning mechanism containing V-shaped plate and guide pillar, combining the drive of bidirectional screw rod and servo motor, the efficient and accurate positioning of special-shaped workpiece is realized, the V-shaped plate can be adaptively moved and adjusted according to the specific shape of the workpiece, ensuring that the workpiece is accurately positioned on the right position of the clamping assembly, greatly improving the machining precision, through setting up the adjusting screw rod and knob design, the position of the V-shaped plate can be fine-tuned to adapt to the positioning needs of workpieces of different shapes or sizes, through setting up the clamping mechanism, the positioning block is pushed to slide along the guide rod by the hydraulic cylinder, ensuring the stable clamping of the workpiece during the machining process, this design not only provides sufficient clamping force, but also ensures the uniformity and stability of clamping, effectively avoiding the movement or deformation of the workpiece during the machining process. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic view of the utility model;

[0014] Figure 2 It is the positioning mechanism structure schematic view of the utility model;

[0015] Figure 3 It is the adjusting screw rod and V-shaped plate structure schematic view in the positioning mechanism of the utility model;

[0016] Figure 4 It is the clamping assembly structure schematic view of the utility model;

[0017] Figure 5 It is the clamping mechanism structure schematic view of the utility model.

[0018] Marked number in the drawing is:

[0019] 1, workbench;

[0020] 2, clamping assembly; 201, positioning table; 202, tail support block; 203, head support block;

[0021] 3, positioning mechanism; 301, bidirectional screw; 302, guide rod; 303, mounting plate; 304, servo motor; 305, moving plate; 306, connecting plate; 307, fixed plate; 308, adjusting screw; 309, V-shaped plate; 310, guide column; 311, knob;

[0022] 4, clamping mechanism; 401, mounting frame; 402, guide rod; 403, positioning block; 404, hydraulic cylinder. DETAILED DESCRIPTION

[0023] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0024] Example 1

[0025] Please refer to Figures 1-5 As shown in the figure, a tooling clamping for numerical control milling processing includes a workbench 1, the upper end of the workbench 1 is provided with a clamping assembly 2, the upper end of the clamping assembly 2 is provided with two sets of clamping mechanisms 4, the front end of the workbench 1 is provided with a positioning mechanism 3, the positioning mechanism 3 includes two sets of fixed plates 307, the inside of the two sets of fixed plates 307 is slidably connected with guide columns 310, one end of the guide columns 310 extends to the inside of the fixed plate 307 and is fixedly connected with a V-shaped plate 309.

[0026] In the scheme, the special-shaped workpiece is placed on the upper end of the clamping assembly 2, which can limit the head and tail of the special-shaped workpiece, then the head and tail of the special-shaped workpiece are pressed and clamped by the clamping mechanism 4 for fixation, the two sets of fixed plates 307 can move towards each other, so as to drive the V-shaped plate 309 to move through the guide column 310, since the two sets of fixed plates 307 move towards the middle at the same time, the V-shaped plate 309 can be driven to position the special-shaped workpiece upright, so that it is located in the correct position of the clamping assembly 2, and since the outside of the special-shaped workpiece may not be symmetrical, the V-shaped plate 309 can be driven to slide and adjust through the guide column 310, so that the V-shaped plate 309 can be adaptively adjusted according to the specific shape of the special-shaped workpiece, so as to ensure that the workpiece can be accurately positioned in the correct position of the clamping assembly 2, so as to facilitate subsequent milling processing.

[0027] Example 2

[0028] Please refer to Figures 2-3As shown, the positioning mechanism 3 further includes two sets of mounting plates 303 and two sets of moving plates 305, the two sets of mounting plates 303 are fixedly connected between the guide rods 302, the two sets of moving plates 305 are both slidingly connected to the outer side of the guide rods 302, the upper end of the moving plate 305 is fixedly connected with a connecting plate 306, and the fixed plate 307 is fixedly connected to the upper end of the connecting plate 306.

[0029] The two-way screw rod 301 is rotatably connected between the two sets of mounting plates 303, the outer sides of the two ends of the two-way screw rod 301 are provided with threads with opposite rotation directions, and the two sets of moving plates 305 are respectively threadedly connected to the outer sides of the two ends of the two-way screw rod 301. The outer side of one of the mounting plates 303 is fixedly provided with a servo motor 304, and the output end of the servo motor 304 extends to the inner side of the mounting plate 303 and is fixedly connected with the two-way screw rod 301.

[0030] The end of the fixed plate 307 is internally threadedly connected with an adjusting screw rod 308, one end of the adjusting screw rod 308 is fixedly connected with a knob 311, and the other end of the adjusting screw rod 308 extends to the inner side of the fixed plate 307 and is rotatably connected with a V-shaped plate 309.

[0031] In this scheme, the servo motor 304 can drive the adjusting screw rod 308 to rotate, thereby driving the two sets of moving plates 305 and the two sets of connecting plates 306 to move in the same direction and towards each other, thereby driving the fixed plate 307 to move. The moving plate 305 can move linearly under the guidance of the guide rod 302.

[0032] Further, by rotating the knob 311, the position of the adjusting screw rod 308 in the fixed plate 307 can be adjusted, thereby adjusting the position of the V-shaped plate 309. The V-shaped plate 309 is finely adjusted to adapt to the positioning requirements of workpieces of different shapes or sizes.

[0033] Embodiment 3

[0034] Please refer to Figure 4 As shown, the clamping assembly 2 includes a positioning table 201, a tail support block 202, and a head support block 203. The positioning table 201 is fixedly installed on the middle part of the workbench 1. The tail support block 202 is fixedly connected to the front side of the positioning table 201. The head support block 203 is fixedly connected to the rear side of the positioning table 201. Two sets of clamping mechanisms 4 are respectively installed on the upper ends of the head support block 203 and the tail support block 202.

[0035] In this scheme, the workpiece is placed on the upper end of the positioning table 201. The tail support block 202 can abut and limit the lower end of the workpiece. The head support block 203 can abut and limit the upper end of the workpiece.

[0036] Embodiment 4

[0037] Please refer to Figure 5As shown, the clamping mechanism 4 includes a mounting frame 401 and a positioning block 403, the inner side of the mounting frame 401 is fixedly connected with two groups of guide rods 402, the positioning block 403 is slidingly connected to the outer side of the guide rods 402, the upper end of the mounting frame 401 is provided with a hydraulic cylinder 404, the output end of the hydraulic cylinder 404 extends to the inside of the mounting frame 401 and is fixedly connected with the positioning block 403.

[0038] In the scheme, the hydraulic cylinder 404 can push the positioning block 403 to slide, so that the positioning block 403 presses and positions the head and tail of the workpiece.

[0039] The working principle and use process of the utility model are as follows: firstly, the workpiece is placed on the positioning table 201, the tail supporting block 202 abuts and limits the lower end of the workpiece, the head supporting block 203 abuts and limits the upper end of the workpiece, the servo motor 304 is started, and drives the bidirectional screw rod 301 to rotate, the rotation of the bidirectional screw rod 301 makes the two groups of moving plates 305 move along the guide rods 302 in the same direction, the movement of the moving plates 305 drives the fixed plates 307 to move through the connecting plates 306, and then drives the guide columns 310 and the V-shaped plates 309 to move, the V-shaped plates 309 move towards the middle, and the special-shaped workpiece is positioned and supported, so that it is located in the correct position of the clamping assembly 2, the movement of the adjusting screw rod 308 drives the V-shaped plates 309 to be finely adjusted, so as to adapt to the positioning requirements of workpieces of different shapes or sizes, the hydraulic cylinder 404 is started, the output end of the hydraulic cylinder 404 pushes the positioning block 403 to slide along the guide rods 402, and the positioning block 403 presses and clamps the head and tail of the workpiece, so that the workpiece is fixed, thereby facilitating the subsequent milling operation.

[0040] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A tooling fixture for numerical control milling, comprising a worktable (1), characterized in that: The upper end of the workbench (1) is provided with a clamping assembly (2), the upper end of the clamping assembly (2) is provided with two sets of clamping mechanisms (4), the front end of the workbench (1) is provided with a positioning mechanism (3), the positioning mechanism (3) comprises two sets of fixed plates (307), the inner sides of the two sets of fixed plates (307) are slidably connected with guide columns (310), and one end of the guide column (310) extends to the inner side of the fixed plate (307) and is fixedly connected with a V-shaped plate (309).

2. The tool holder according to claim 1, wherein: The positioning mechanism (3) further comprises two sets of mounting plates (303) and two sets of moving plates (305), the two sets of mounting plates (303) are fixedly connected with guide rods (302), and the two sets of moving plates (305) are slidably connected to the outer sides of the guide rods (302), the upper ends of the moving plates (305) are fixedly connected with connecting plates (306), and the fixed plates (307) are fixedly connected to the upper ends of the connecting plates (306).

3. The fixture for CNC milling according to claim 2, characterized in that: The two sets of mounting plates (303) are rotatably connected with bidirectional screws (301), the outer sides of the two ends of the bidirectional screws (301) are provided with threads and are opposite in rotation direction, the two sets of moving plates (305) are threadedly connected to the outer sides of the two ends of the bidirectional screws (301), and the outer side of one of the mounting plates (303) is fixedly provided with a servo motor (304), and the output end of the servo motor (304) extends to the inner side of the mounting plate (303) and is fixedly connected with the bidirectional screw (301).

4. The fixture for CNC milling according to claim 1, characterized in that: One end of the fixed plate (307) is internally threadedly connected with an adjusting screw (308), one end of the adjusting screw (308) is fixedly connected with a knob (311), and the other end of the adjusting screw (308) extends to the inner side of the fixed plate (307) and is rotatably connected with the V-shaped plate (309).

5. The fixture as claimed in claim 1, wherein: The clamping assembly (2) comprises a positioning table (201), a tail support block (202) and a head support block (203), the positioning table (201) is fixedly installed on the middle part of the workbench (1), the tail support block (202) is fixedly connected to the front side of the positioning table (201), the head support block (203) is fixedly connected to the rear side of the positioning table (201), and the two sets of clamping mechanisms (4) are respectively installed on the upper ends of the head support block (203) and the tail support block (202).

6. The fixture for CNC milling according to claim 1, characterized in that: The clamping mechanism (4) comprises a mounting frame (401) and a positioning block (403), the inner side of the mounting frame (401) is fixedly connected with two sets of guide rods (402), the positioning block (403) is slidably connected to the outer sides of the guide rods (402), the upper end of the mounting frame (401) is provided with a hydraulic cylinder (404), and the output end of the hydraulic cylinder (404) extends to the inner side of the mounting frame (401) and is fixedly connected with the positioning block (403).

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