A kind of honing clamping device
The utility model relates to a kind of anchor clamps that are used for the machining aspect, relates in particular to a kind of honing clamping device that is used for the honing endoporus.
In the machined field, honing is to utilize one or more oilstone that is installed on the honing head circumference, by spreading mechanism (having rotary and pusher two kinds) with oilstone spreading radially, make it press to the workpiece hole wall, so that produce certain face contact, make workpiece keep motionless by Workpiece clamping device simultaneously, and make honing head rotation and reciprocating motion, thereby realize honing processing.At present, what the microhoning Workpiece clamping device generally adopted is the structure of holding excircle of workpiece tightly, because the outside diameter of processing work exists tolerance and tapering, and hold circularity and the precision that excircle of workpiece directly influences endoporus tightly, thereby defectives such as workpiece is inhomogeneous, endoporus cylindricity deviation may appear; In addition, utilize the frock of holding excircle of workpiece tightly to exist and be only limited to a kind of product, use dumb, shortcomings such as versatility is relatively poor, difficult processing, processing cost height.
The utility model content
The utility model provides a kind of positioning accuracy height, changes honing clamping device flexible, that frock is also processed easily in order to solve weak point of the prior art.
For solving the problems of the technologies described above, a kind of honing clamping device of the present utility model, it comprises jig main body and is arranged on the hydraulic cylinder of jig main body top, be provided with the retinue cover that excessively cooperates with it in the jig main body, the upper end of retinue cover is provided with the annular boss that cooperates with jig main body upper end roof pressure, and cylinder lower and annular boss corresponding position are provided with gland.
Described jig main body both sides are respectively equipped with a locating piece, and two locating pieces are symmetrical arranged, and the hydraulic cylinder both sides are equipped with a registration arm, and the registration arm of two locating pieces below is provided with the back-up block that cooperates with the locating piece roof pressure.
Described back-up block is a T type nut, and back-up block and registration arm are spirally connected, the registration arm bottom adjusting screw(rod) that is spirally connected, and the adjusting screw(rod) upper end holds out against back-up block.
Described jig main body lower end is connected with base by bolt.
Adopt said structure, to treat that the honing workpiece is placed in the retinue cover, the workpiece shape is similar to retinue cover shape, cooperate with retinue cover gap, with Work-sheet pressing, this what compress that mode adopts is that end face compresses to hydraulic cylinder, reduces the tapering influence of cylindrical to endoporus when grinding by gland, it is poor can not to increase wall thickness during simultaneously with this frock processing work, and the endoporus cylindricity is better.Use the utility model processing cylindrical shape thin-wall workpiece, can improve production capacity and product quality, and precision height, easy and simple to handle, applied widely, highly versatile, processing easily.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of honing clamping device of the present utility model, it comprises jig main body 2 and is arranged on the hydraulic cylinder 7 of jig main body 2 tops, jig main body 2 lower ends are connected with base 1 by bolt 10, be provided with in the jig main body 2 and its retinue that excessively cooperates cover 3, the upper end of retinue cover 3 is provided with the annular boss 11 that cooperates with jig main body 2 upper end roof pressures, hydraulic cylinder 7 bottoms and annular boss 11 corresponding positions are provided with gland 6, jig main body 2 both sides are respectively equipped with a locating piece 4 and locating piece 12, locating piece 4 and locating piece 12 are symmetrical arranged, hydraulic cylinder 7 both sides have been bolted to connection registration arm 5 and registration arm 13 respectively, the registration arm 5 of locating piece 4 and locating piece 12 belows and registration arm 13 are provided with back-up block 9 and the back-up block 14 that cooperates with locating piece 4 and locating piece 12 roof pressures, back-up block 9 and back-up block 14 are the T type nut of same model, back-up block 9 is spirally connected by bolt 15 and registration arm 5, back-up block 14 is spirally connected by bolt 16 and registration arm 13, registration arm 5 and registration arm 13 bottoms be spirally connected respectively an adjusting screw(rod) 17 and adjusting screw(rod) 18, adjusting screw(rod) 17 and adjusting screw(rod) 18 upper ends hold out against back-up block 4 and back-up block 12 respectively.
During use,, adjust adjusting screw(rod) 17 and adjusting screw(rod) 18 in advance, back-up block 9 and back-up block 14 and locating piece 4 and locating piece 12 are held out against according to the actual conditions for the treatment of the honing workpiece.After then workpiece 8 being put into retinue cover 3, press the lathe button of starting working, Work turning table moves to the operating position with workpiece.Hydraulic cylinder 7 promotes gland 6 and moves down workpiece pressing 8 end faces, annular boss 20 on the workpiece 8 compresses with the annular boss 11 of retinue cover 3 upper ends, this moment, registration arm 5 and registration arm 13 upper support pieces 9 and back-up block 14 held out against locating piece 4 and locating piece 12 respectively, by locating piece 4 and locating piece 12 support fixture main bodys 2, making presses workpiece 8 tighter, can prevent from like this 6 minute movement may occur adding the man-hour gland, workpiece 8 will produce loosening, makes workpiece 8 honings become waste product.End face to workpiece 8 compresses, and guarantees the geometry form and position tolerance of the endoporus of workpiece 8.After workpiece 8 honings were worked into size, hydraulic cylinder 7 drove gland 6 and moves up, and workpiece 8 is released, and Work turning table moves on to off-position with workpiece 8, and workpiece 8 is taken out the work of promptly finishing honing workpiece 8 endoporus.Repeat the top course of work then, carry out the processing that next workpiece is treated the honing workpiece.