Metal processing online brings you an example of machine tool modification - a multi-purpose machine head that expands the lathe function, and adds new functions to the original machine tool, which can achieve good results.
Multi-purpose head main structure
1,10,13. Bearing cover 2. Large pulley 3.V belt 4. Small pulley
5. Motor 6. Guide rail 7. Motor bracket 8. Plug iron 9. Press bolt
11. Turbine 12. Spindle 14. Turbine shaft 15. Spindle box 16. Stop
17. Screw 18. Screw nut 19. Adjusting bolt 20. Base
1. Structure and function of multi-purpose handpiece
The drawing is a schematic diagram of the main structure of the multi-purpose handpiece. The motor 5 is integrated with the spindle housing 15 by means of the motor bracket 7 and can be moved with the spindle housing 15 without affecting the transmission of power. The headstock 15 can be moved and adjusted in the direction of the guide rail under the linkage of the stopper 16 and the lead screw 17. When positioning is required, the pressing bolt 9 can be rotated to tighten the positioning action by pressing the plug 8 . When it is necessary to adjust the angle, loosen the adjusting bolt 19, change the angle between the guide rail 6 and the base 20. After the angle is selected, the adjusting bolt 19 can be tightened.
In use, the small slide of the lathe is removed, and the base 20 of the multi-purpose head is directly mounted on the slide in the lathe. The machine head completely realizes the movement and positioning of the space coordinates in three directions by means of the guide rail 6, the slide plate and the saddle of the machine tool.
During the machining, the rotation of the motor 5 is transmitted to the worm wheel shaft 14 through the pair of pulleys 2, 4, and is transmitted from the worm wheel shaft 14 to the head spindle 12 through the turbine 11. Both the worm shaft 14 and the head of the main shaft 12 are designed with a No. 3 Morse taper for mounting high speed or low speed cutting (in this example, the worm shaft speed is 1 750r/min and the spindle speed is 102 r/min). , drilling, boring and other processing.
2. Function expansion and features
In the original design and actual use, the ordinary motor is used. If it is modified into a speed-regulating motor and the power and speed selected are suitable, more functions can be expanded. If it reaches the appropriate high speed, it can be used instead of a grinding machine, and it has the function of internal and external grinding. As another example, the base 20 can be replaced with an indexing head to process more complex shaped parts.
The multi-purpose machine head is characterized by simple structure, small volume, convenient operation and wide application performance, and can be processed by milling, drilling, boring and grinding, etc., which can effectively overcome the difficulty of lack of equipment, especially suitable for general repair work. . Introduced to everyone, I hope to help you solve some of the problems in production.
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CEP Elevator Products ( China ) Co., Ltd. , https://www.china-elevators.com