Special clamping fixture with oil supply system for machine tool spindle
A technology of oil supply system and machine tool spindle, which is applied in the field of machine tool components, can solve problems affecting installation and use, assembly errors, and affecting the dimensional relationship of the inner ring of hub bearings, etc., and achieve the effect of improving dimensional accuracy
Active Publication Date: 2019-12-03
津上精密机床(浙江)有限公司
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Problems solved by technology
In the manufacturing process, in order to match the installation requirements in the later stage, the end face of the inner ring of the hub bearing needs to be processed. However, due to the limitation of the processing machine tool, the ordinary processing method can only process the end face of the inner ring of the hub bearing separately before the overall assembly. Then assemble the outer ring and inner ring of the hub bearing, and because there will be assembly errors during the assembly process, the dimensional relationship between the inner ring of the hub bearing and the outer ring of the hub bearing will be affected by the assembly error, which will affect the subsequent The actual installation and use of
Method used
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[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0029] A special clamping fixture for machine tool spindle with oil supply system 4, refer to figure 1 As shown, it includes a base 1 fixedly connected to the side wall of the main shaft shell 12 of the bed of the machine tool 11, a connecting disc 9 coaxial with the main shaft 13, and a connecting disc 9 on the side away from the main shaft 13. The mandrel 3 coaxial with the main shaft 13 fixes the workpiece inner ring 26 and the end of the mandrel 3 away from the main shaft 13 in the circumferential direction, synchronously, and is fixedly installed on the end face of the base 1 for pressing the outer ring 27 of the workpiece The pressing mechanism 2 on the side wall of the base 1, so that in the processing process, the inner ring 26 of the workpiece is driven by the spindle 13 to rotate around its own axis, and the outer ring 27 of the workpiece is kept st...
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The invention discloses a special clamping fixture with an oil supply system for a machine tool spindle and relates to the field of machine tool parts. The fixture comprises a base, a pressing mechanism, a mandrel, and an oil supply system, wherein the base is fixedly connected to a machine tool body, the pressing mechanism is connected to the base and enables the outer ring of a workpiece to abutagainst the base, the mandrel is coaxially connected to a main shaft and rotates along with the main shaft, and the oil supply system drives the pressing mechanism. One end, far away from the main shaft, of the mandrel is circumferentially fixed to the inner ring of the workpiece and drives the inner ring of the workpiece to rotate; the pressing mechanism comprises a rotary hydraulic cylinder fixedly connected to the base and a pressing plate connected to the rotary hydraulic cylinder and used for abutting against the outer ring of the workpiece to the base, and the oil supply system controlsthe rotary hydraulic cylinder to drive the pressing plate to press or be separated from the outer ring of the workpiece. According to the special clamping fixture for the machine tool spindle, the part machining precision can be improved.
Description
technical field [0001] The invention relates to machine tool components, in particular to a special clamping fixture for a machine tool spindle with an oil supply system. Background technique [0002] Hub bearing is one of the key parts of the car. Its main function is to carry weight and provide precise guidance for the rotation of the hub, so it is required not only to bear axial load, but also to bear radial load. [0003] The existing hub bearing unit includes an inner flange and an outer flange that are rotatably connected, and a ball placed between the inner flange and the outer flange. Refer to an automobile hub bearing with a fixed assembly disclosed in Chinese Patent Publication No. CN208595158U , including the outer ring of the hub bearing, the inner ring of the hub bearing sleeved on the inner side of the outer ring of the hub bearing, the inner surface of the outer ring of the hub bearing and the outer surface of the inner ring of the hub bearing are provided wit...
Claims
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IPC IPC(8): B23Q3/12
CPCB23Q3/12
Inventor 唐东雷
Owner 津上精密机床(浙江)有限公司