CN203371296U - Special fixture for drilling machine - Google Patents

Abstract

The utility model relates to the technical field of mechanical processing equipment, in particular to a special clamp for drilling machines. The main body is the main frame, and the main frame is respectively equipped with a pressing block, a drill sleeve and a screw positioning rod. The pressing block is equipped with a V-shaped moving block, and the pressing block can be rotated along the positioning pin axis to change the clamping position. The V-shaped moving block can better Fit the surface of the workpiece, and then use the lock nut to lock the pressing block, the pressing block will not shift when the work is shaken, and it is closely attached to the workpiece. In addition, the other side of the pressing block is also provided with a helical positioning rod. The helical positioning rod reversely clamps the workpiece to prevent its rotation, and the connection rigidity is significantly improved. The vibration generated during processing will not cause the position of the workpiece to shift, and the processing accuracy and processing quality are greatly improved. . The utility model has the advantages of simple structure and convenient operation. When loading and unloading workpieces, the loading and unloading of the used workpieces can be realized only by adjusting the screw positioning rod and the lock nut, which saves the cumbersome positioning and clamping process in the processing, and the working efficiency is significantly improved.

Description

A special fixture for drilling machine

technical field

The utility model relates to the technical field of mechanical processing equipment, in particular to a special clamp for drilling machines.

Background technique

At present, fixed fixtures are often used to hold workpieces in machining, and large vibrations will be generated during drilling. The vibrations will loosen the fastening threads of the fixed fixtures, the connection strength cannot meet the process requirements, and the workpieces will move. The accuracy and quality of the workpiece will be thrown out when it is serious, endangering the safety of equipment and personnel, and there is a great potential safety hazard.

Utility model content

The purpose of the utility model is to provide a special fixture for drilling machines which is stable, reliable, convenient to assemble and disassemble, secure to fix, and saves time and effort.

The technical scheme that the utility model solves its technical problem adopts is:

A special fixture for drilling machines, the main body is the main frame, and the main frame is respectively provided with a pressing block, a drill sleeve and a helical positioning rod. The pressing block is movably connected to one end of the positioning pin shaft, and the other end of the positioning pin shaft is connected to the main frame.

Lock nuts are arranged on the pressing block.

The positioning pin shaft is connected with the main frame through bayonet pins.

A V-shaped moving block is arranged on the pressing block.

According to the characteristics of drilling machine processing, the utility model provides a special clamp for drilling machine. The main body is the main frame, and the pressing block, the drill sleeve and the spiral positioning rod are respectively installed on the main frame. The pressing block is provided with a V-shaped moving block, and the pressing block can be positioned along the The pin shaft rotates to change the clamping position, the V-shaped moving block can better fit the surface of the workpiece, and the locking nut is used to lock the pressing block, so that the pressing block will not shift when the work is shaken, and it is closely attached to the workpiece. In addition, the other side of the pressing block is also equipped with a screw positioning rod, which clamps the workpiece in reverse to prevent its rotation, and the connection rigidity is significantly improved. The vibration generated during processing will not cause the position of the workpiece to shift, and the processing accuracy and processing quality are greatly improved. . The utility model has the advantages of simple structure and convenient operation. When loading and unloading workpieces, the loading and unloading of the used workpieces can be realized only by adjusting the screw positioning rod and the lock nut, which saves the cumbersome positioning and clamping process in the processing, and the working efficiency is significantly improved.

Description of drawings

Fig. 1 is the structural representation of the utility model;

In the figure: 1. bayonet pin, 2. positioning pin shaft, 3. lock nut, 4. pressing block, 5. drill sleeve, 6. screw positioning rod, 7. workpiece, 8. main frame, 9. V-shaped movement piece.

Detailed ways

 As shown in the figure, a special clamp for drilling machine, the main body is the main frame 8, and the main frame 8 is respectively equipped with a pressing block 4, a drill sleeve 5 and a screw positioning rod 6, and the pressing block 4 is movably connected with one end of the positioning pin shaft 2, and the positioning The other end of the pin shaft 2 is connected with the main frame 8 through the bayonet pin 1 . A locking nut 3 and a V-shaped moving block 9 are also arranged on the pressing block 4 .

When in use, loosen the screw positioning rod 6 and the lock nut 3, rotate the V-shaped moving block 9 of the pressing block 4, leave the workpiece installation position, put the workpiece 7 on the main frame 8, and reversely rotate the V-shaped moving block 9 , so that the V-shaped moving block 9 fits the surface of the workpiece, adjust the position of the workpiece 7 so that the center of the workpiece 7 is aligned with the center of the drill sleeve 5, tighten the lock nut 3 to fix the pressure block 4 firmly, and then tighten the screw positioning rod 6, the workpiece 7 can be stably clamped, and the workpiece 7 is subjected to clamping forces in multiple directions, and the vibration generated during processing will no longer cause the position of the workpiece 7 to shift. After processing, the workpiece 7 can be taken out as long as the locking nut 3 and the screw positioning rod 6 are loosened.

Claims (4)

1. A special fixture for drilling machines, characterized in that the main body is the main frame (8), and the main frame (8) is respectively provided with a pressing block (4), a drill sleeve (5) and a helical positioning rod (6), and the pressing block ( 4) It is movably connected with one end of the positioning pin shaft (2), and the other end of the positioning pin shaft (2) is connected with the main frame (8). 2. A special clamp for drilling machine according to claim 1, characterized in that a lock nut (3) is provided on the pressing block (4). 3. A special clamp for drilling machine according to claim 1 or 2, characterized in that the positioning pin shaft (2) is connected with the main frame (8) through the bayonet pin (1). 4. A special fixture for drilling machines according to claim 3, characterized in that a V-shaped moving block (9) is provided on the pressing block (4).

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