CN203409653U

CN203409653U - Grinding wheel corrector

Info

Publication number: CN203409653U
Application number: CN201320473084.1U
Authority: CN
Inventors: 李凤松; 林守腾; 曲孟; 曲钦全
Original assignee: YANTAI HAIDE MACHINE TOOL CO Ltd
Current assignee: YANTAI HAIDE MACHINE TOOL CO Ltd
Priority date: 2013-08-05
Filing date: 2013-08-05
Publication date: 2014-01-29
Anticipated expiration: 2023-08-05

Abstract

The utility model provides a grinding wheel corrector which comprises a base and a motor, wherein two rollers are installed on a shaft of the motor in an aligned manner, the base is provided with a worm gear case which is internally provided with a worm, the worm is matched with a worm gear, the worm is fixedly through an angular contact ball bearing I, an end cover I and an end cover II, the worm gear is installed on an upper lead screw, the worm is provided with a scale ring and a hand wheel, the hand wheel is provided with a handle, the base is internally provided with a lower lead screw which is provided with a lower nut, a middle slide carriage is arranged on the base and is fixedly connected with the lower nut through a bolt, inclined iron I is arranged between the base and the middle slide carriage, the middle slide carriage is provided with two upper slide carriages, inclined iron II is arranged between the middle slide carriage and the upper middle slide carriages, two right-handed nuts and two left-handed nuts are respectively installed in holes of the two upper slide carriages, and one end of the upper lead screw is screwed into the right-handed nuts and two left-handed nuts and is fixed through the bolt. The grinding wheel corrector provided by the utility model can effectively eliminate the gap between the lead screw and the nut so as to ensure the transmission precision and the stability.

Description

A kind of truer

Technical field

The utility model belongs to mechanical field, relates in particular to a kind of truer.

Background technology

On some machine components, there is groove, need to pass through grinding, the two sides of emery wheel used need to revise, and two rollers of corrector originally drive two lead screw transmission by two worm-gearses respectively, by two handwheels, are operated separately, can not realize two rollers moves simultaneously, easily cause emery wheel two sides to revise inconsistent, asymmetric with workpiece centre, every rhizoid thick stick only has a nut, be difficult to eliminate leading screw and nut gap, easily cause round-off error.

Summary of the invention

The utility model provides a kind of truer, has solved the shortcoming that truer in background technology exists round-off error.

The technical solution of the utility model is achieved in that a kind of truer, comprise base, motor, on the axle of motor, alignment is equipped with two rollers, on base, be equipped with worm gear case, in worm gear case, be equipped with worm screw, worm and wheel coincide, worm screw is by angular contact ball bearing I, end cap I and end cap II are fixed, worm gear is satisfied with on upper screw rod, upper leading screw is by two angular contact ball bearing II and end cap III, end cap V is fixed, worm screw is provided with calibration loop and handwheel, on handwheel, be equipped with handle, in base, be provided with lower leading screw, lower leading screw is fixed by two angular contact ball bearing III and end cap IV, lower leading screw is provided with lower nut, base is provided with middle slide carriage, middle slide carriage is fixedly connected with lower nut by bolt, between base and middle slide carriage, be provided with wedge I, by adjusting screw I and nut I, fix, middle slide carriage is provided with two upper slide carriages, between middle slide carriage and upper slide carriage, be provided with wedge II, by adjusting screw II and nut II, fix, in two upper slide carriage holes, be equipped with respectively two right-handed nuts and two left-handed nuts, upper leading screw one end screws in right-handed nut and left-handed nut, with bolt, two right-handed nuts and two left-handed nuts are connected and fixed with two upper slide carriages respectively,

Upper leading screw afterbody is equipped with leading screw bracket at tail part, and upper leading screw bracket at tail part is fixed on middle slide carriage by radial ball bearing;

Worm gear case is fixedly satisfied with on middle slide carriage;

On two upper slide carriages, be respectively equipped with motor bent plate is installed, motor is installed bent plate and is connected with motor.

The beneficial effects of the utility model are: the utility model has increased a set of lower feed screw nut and sled mechanism, can finely tune two rollers and emery wheel centering position, upper feed screw nut adopts double nut mechanism, can effectively eliminate leading screw and nut gap, guarantee transmission accuracy, thread pitch reduces, feeding unit dwindles, increased correction precision, after improving, the precision of wheel grinding part is brought up to 0.004mm by original 0.008mm, and stability is also guaranteed.

Accompanying drawing explanation

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

Fig. 2 is the A-A generalized section of the utility model Fig. 1;

Fig. 3 is the B-B generalized section of the utility model Fig. 1;

The C-C generalized section of Fig. 4 the utility model Fig. 1;

Fig. 5 top view of the present utility model.

Part explanation: 1, end cap I, 2, angular contact ball bearing I, 3, worm screw, 4, end cap II, 5, calibration loop, 6, handwheel, 7, handle, 8, adjust screw I, 9, nut I, 10, wedge I, 11, end cap III, 12, angular contact ball bearing II, 13, upper leading screw, 14, worm gear, 15, worm gear case, 16, middle slide carriage, 17, end cap IV, 18, angular contact ball bearing III, 19, base, 20, lower leading screw, 21, lower nut, 22, end cap V, 23, right-handed nut, 24, upper slide carriage, 25, emery wheel, 26, left-handed nut, 27, radial ball bearing, 28, upper leading screw bracket at tail part, 29, nut II, 30, adjust screw II, 31, wedge II, 32, motor is installed bent plate, 33, motor, 34, roller.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further described: a kind of truer, comprise base 19, lower leading screw 20 is contained in base 19 inside, with two angular contact ball bearing III 18 and end cap IV 17 fixed positions, grind the contact-making surface of end cap IV 17 and angular contact ball bearing III 18, adjust bearing axial clearance, guarantee that lower leading screw 20 axial movement values are less than 0.01mm, rotate lower leading screw 20, flexibly, fluent phenomenon, lower nut 21 is arranged on lower leading screw 20, again middle slide carriage 16 is arranged on base 19, middle slide carriage 16 is joined with bolts with lower nut 21, between middle slide carriage 16 and base 19, wedge I 10 is installed, grind each other, with adjusting screw I 8 adjusting plays, guarantee quality of fit, again with 9 lockings of nut I.

Two upper slide carriages 24 are arranged on middle slide carriage 16, between upper slide carriage 24 and middle slide carriage 16, wedge II 31 is installed, grind each other, with adjusting screw II 30 adjusting plays, guarantee quality of fit, again with 29 lockings of nut II, by two right-handed nuts 23, two left-handed nuts 26 are respectively charged in two upper slide carriage 24 holes, wouldn't fix with bolt, worm gear 14 is put into worm gear case 15, upper leading screw 13 is packed in worm gear case 15, worm gear 14 is contained on upper leading screw 13, two angular contact ball bearing II of upper leading screw 13 use 12 and end cap III 11, end cap V 22 fixed positions, grind end cap III 11, the contact-making surface of end cap V 22 and angular contact ball bearing II 12, adjust bearing axial clearance, in assurance, leading screw 13 axial movement values are less than 0.005mm, in rotation, leading screw 13, flexibly, fluent phenomenon, worm screw 3 is packed in worm gear case 15, and coincide with worm gear 14, by two angular contact ball bearing I 2 and end cap I 1, end cap II 4 is worm screw 3 fixedly, grind end cap I 1, the contact-making surface of end cap II 4 and angular contact ball bearing I 2, adjust bearing axial clearance, guarantee that worm screw 3 axial movement values are less than 0.05mm, rotary worm 3, flexibly, fluent phenomenon, calibration loop 5 and handwheel 6 are arranged on worm screw 3, again handle 7 is arranged on handwheel 6, upper leading screw 13 is screwed into right-handed nut 23 and left-handed nut 26, worm gear case 15 is fixed on middle slide carriage 16 simultaneously, upper leading screw afterbody is installed radial ball bearing 27, upper leading screw bracket at tail part 28 is arranged on upper leading screw 13 and middle slide carriage 16 and is fixed, rotate right-handed nut 23 and left-handed nut 26, two upper slide carriages 24 are adjusted to the position needing, with bolt, two right-handed nuts 23 and two left-handed nuts 26 are connected and fixed with two upper slide carriages 24 respectively again, in fixing, to adjust right-handed nut 23, the gap of left-handed nut 26 and upper leading screw 13, assurance degree of tightness is moderate, upper leading screw 13 rotates flexibly, fluent phenomenon, two motors are installed to bent plate 32 to be arranged on respectively on two upper slide carriages 24, distinguish again mounted motor 33, then two rollers 34 are arranged on respectively on the axle of motor 33, guarantee 34 alignment of two rollers, whole truer assembling is complete.

Truer is arranged on Grinder bench, and roller 34 centre-heights and emery wheel 25 centers are contour, and two rollers 34 are positioned at emery wheel 25 both sides symmetrical.

Holding handle 7 rotates, drive handwheel 6 and calibration loop 5 to rotate, also drive worm screw 3 to rotate simultaneously, worm screw 3 drives worm gear 14 to rotate, worm gear 14 drives upper leading screw 13 to rotate, upper leading screw 13 rotations are ordered about right-handed nut 23 and are moved with left-handed nut 26, thereby drive two upper slide carriages 24 to move, and upper slide carriage 24 drives two rollers 34 to move in opposite directions, in turning handle 7, note observing the scale of calibration loop 5, control at any time the amount of feeding, just can revise emery wheel.

The utility model has increased a set of lower feed screw nut and sled mechanism, can finely tune two rollers and emery wheel centering position, upper feed screw nut adopts double nut mechanism, can effectively eliminate leading screw and nut gap, guarantee transmission accuracy, thread pitch reduces, feeding unit dwindles, increased correction precision, after improving, the precision of wheel grinding part is brought up to 0.004mm by original 0.008mm, and stability is also guaranteed.

Claims

1. a truer, comprise base (19), motor (33), on the axle of motor (33), alignment is equipped with two rollers (34), on base (19), be equipped with middle slide carriage (16), on middle slide carriage (16), be equipped with worm gear case (15), in worm gear case (15), be equipped with worm screw (3), worm screw (3) coincide with worm gear (14), worm screw (3) is by angular contact ball bearing I (2), end cap I (1) and end cap II (4) are fixing, worm gear (14) is satisfied with on upper screw rod (13), upper leading screw (13) is by two angular contact ball bearing II (12) and end cap III (11), end cap V (22) is fixing, worm screw (3) is provided with calibration loop (5) and handwheel (6), on handwheel (6), be equipped with handle (7), it is characterized in that being provided with in base (19) lower leading screw (20), lower leading screw (20) is fixing by two angular contact ball bearing III (18) and end cap IV (17), lower leading screw (20) is provided with lower nut (21), base (19) is provided with middle slide carriage (16), middle slide carriage (16) is fixedly connected with lower nut (21) by bolt, between base (19) and middle slide carriage (16), be provided with wedge I (10), fixing by adjusting screw I (8) and nut I (9), middle slide carriage (16) is provided with two upper slide carriages (24), between middle slide carriage (16) and upper slide carriage (24), be provided with wedge II (31), fixing by adjusting screw II (30) and nut II (29), in two upper slide carriage (24) holes, be equipped with respectively two right-handed nuts (23) and two left-handed nuts (26), upper leading screw (13) one end screws in right-handed nut (23) and left-handed nut (26), with bolt, two right-handed nuts (23) and two left-handed nuts (26) are connected and fixed with two upper slide carriages (24) respectively.

2. a kind of truer according to claim 1, is characterized in that leading screw (13) afterbody is equipped with leading screw bracket at tail part (28), and upper leading screw bracket at tail part (28) is fixed on middle slide carriage (16) by radial ball bearing (27).

3. a kind of truer according to claim 1 and 2, is characterized in that worm gear case (15) is fixedly satisfied with on middle slide carriage (16).

4. a kind of truer according to claim 1, is characterized in that on two upper slide carriages (24), being respectively equipped with motor installs bent plate (32), and motor is installed bent plate (32) and is connected with motor (33).