CN212601245U - Grinding wheel dresser structure - Google Patents

Abstract

A wheel dresser construction comprising: the alternating current servo motor is used for providing compensation power; the wave generator is coaxially arranged with an output shaft of the alternating current servo motor, and the center of the wave generator is sleeved on a shaft of the alternating current servo motor; the flexible gear is coaxially arranged with the wave generator and sleeved on the wave generator, and the internal teeth of the flexible gear are meshed with the wave generator; the rigid wheel is coaxially arranged with the flexible wheel and sleeved outside the flexible wheel, and the inner teeth of the rigid wheel are meshed with the outer teeth of the flexible wheel; the first end of the elastic coupling is in transmission connection with the output shaft of the flexible gear, and the second end of the elastic coupling is fixedly connected with the top end of the lead screw; the screw rod is coaxially arranged with the elastic coupling, and the top end of the screw rod is fixedly connected with the second end of the elastic coupling; the screw nut is sleeved on the screw and is matched with the screw to work; the sleeve is sleeved at the lower end of the screw rod, a key groove is formed in the side edge of the sleeve, and the top end of the sleeve is fixedly connected with the screw rod nut; the diamond pen is arranged at the bottom end of the sleeve and is detachably connected with the sleeve; and the pin is matched with the key groove of the sleeve to work.

Description

Grinding wheel dresser structure

Technical Field

The utility model relates to a wheel dresser field, concretely relates to wheel dresser structure.

Background

The dressing tool is used to dress the wheel into shape or to dress the dull surface to restore the working surface to its abrasive performance and correct geometry. And the grinding wheel is corrected timely and correctly, which is an indispensable important link for improving the grinding efficiency and ensuring the grinding quality. The dressing of the grinding wheel generally comprises turning, rolling, grinding and the like by using a diamond roller. The grinding and rolling effects of the diamond on the surface of the grinding wheel rotating at high speed are realized, so that the grinding wheel obtains a sharp working surface matched with the profile of the roller.

The name of the invention creation of China published patent No. CN110682213A, published 2019, 11 and 13 is grinding wheel dresser, and discloses a grinding wheel dresser, which comprises: the diamond pen holder is internally provided with a water inlet channel and a water outlet channel, when the diamond pen holder is used, the pipe joint mounting hole is provided with the pipe joint to be connected with an external cooling water supply system through a flexible pipe, cooling water is introduced into the water inlet channel to be sprayed onto a diamond pen in the diamond pen mounting hole, and the diamond pen is cooled while a grinding wheel is dressed by the diamond pen.

But its shortcoming exists when the diamond pen emery wheel was maintained, because of the atress is uneven, the reverse moment of torsion that transmits for servo motor also is different and leads to servo motor precision when for diamond pen compensation to produce the problem, leads to the emery wheel local to repair the recess, and the product is scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a when finishing to current buddha's warrior attendant pen emery wheel, because of the atress is unbalanced, the reverse moment of torsion that transmits for servo motor also different servo motor precision production problems when compensating for buddha's warrior attendant pen, lead to the emery wheel part to repair out the recess, the condemned problem of product has designed a emery wheel dresser structure.

A wheel dresser construction comprising:

the alternating current servo motor is used for providing compensation power;

the wave generator is coaxially arranged with an output shaft of the alternating current servo motor, and the center of the wave generator is sleeved on a shaft of the alternating current servo motor;

the flexible gear is coaxially arranged with the wave generator and sleeved on the wave generator, and the internal teeth of the flexible gear are meshed with the wave generator;

the rigid wheel is coaxially arranged with the flexible wheel and sleeved outside the flexible wheel, and the inner teeth of the rigid wheel are meshed with the outer teeth of the flexible wheel;

the first end of the elastic coupling is in transmission connection with the output shaft of the flexible gear, and the second end of the elastic coupling is fixedly connected with the top end of the lead screw;

the screw rod is coaxially arranged with the elastic coupling, and the top end of the screw rod is fixedly connected with the second end of the elastic coupling;

the screw nut is sleeved on the screw and is matched with the screw to work;

the sleeve is sleeved at the lower end of the screw rod, a key groove is formed in the side edge of the sleeve, and the top end of the sleeve is fixedly connected with the screw rod nut;

the diamond pen is arranged at the bottom end of the sleeve and is detachably connected with the sleeve;

and the pin is matched with the key groove of the sleeve to work.

Original structure is that alternating current servo motor directly links elastic coupling and drive lead screw and lead to the axial compensation volume of buddha's warrior attendant pen very little, generally is 0.005~0.02 to the rotation amount that needs control when leading to converting the rotation angle of motor because of the reason of lead screw pitch is less, and is difficult to control. After the wave generator, the flexible gear and the rigid gear are additionally arranged, the output torque of the alternating current servo motor is improved, meanwhile, the rotation amount is increased, the control of the axial compensation amount of the diamond pen is facilitated, and meanwhile, the stability of the diamond pen in resisting force during grinding wheel trimming is increased.

Preferably, the screw nut and the screw are ball screw nut pairs.

Preferably, the screw pitch of the screw is 3 mm.

Preferably, the wave generator is in a long arm shape, and the center point of the arm is fixedly connected with the rotating shaft of the alternating current servo motor;

and the two ends of the long arm are hinged with rollers, and the rollers are meshed with the inner teeth of the flexible gear.

The beneficial effects of the utility model reside in that: the torque of the motor is increased, the stability of the diamond pen in resistance force during grinding wheel trimming is improved, and the position precision of the diamond pen is improved.

Drawings

FIG. 1 is a schematic overall view of the present invention;

figure 2 a schematic view of the horizontal plane of the component 2 of the invention;

in the figure: 1. the device comprises an alternating current servo motor 3, a rack 4, an elastic coupling 5, a lead screw 6, a lead screw nut 7, a sleeve 8, a diamond pen 21, a rigid wheel 22, a flexible wheel 23 and a wave generator.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and 2, the grinding wheel dresser structure includes:

the alternating current servo motor 1 is arranged at the top end of the rigid wheel 21, has a downward rotating shaft and is used for providing compensation power;

the wave generator 23 is coaxially arranged with the output shaft of the AC servo motor 1, and the center of the wave generator is sleeved on the shaft of the AC servo motor 1;

the flexible gear 22 is coaxially arranged with the wave generator 23 and is sleeved on the wave generator 23, and the internal teeth of the flexible gear 22 are meshed with the wave generator 23;

the flexible gear 22 is a thin-wall gear cylinder capable of generating large elastic deformation, the cylinder wall is used for meshing, and the cylinder bottom is used for outputting power;

the rigid wheel 21 is coaxially arranged with the flexible wheel 22 and sleeved outside the flexible wheel 22, and the internal teeth of the rigid wheel 21 are meshed with the external teeth of the flexible wheel 22;

the rigid wheel 21 is fixed with the alternating current servo motor 1 and the frame 3;

the first end of the elastic coupling 4 is in transmission connection with the output shaft of the flexible gear 22, and the second end of the elastic coupling is fixedly connected with the top end of the screw rod 5;

the screw 5 is coaxially arranged with the elastic coupling 4, and the top end of the screw is fixedly connected with the second end of the elastic coupling 4;

the screw nut 6 is sleeved on the screw 5 and is matched with the screw 5 to work;

the sleeve 7 is sleeved at the lower end of the screw rod 5, a key groove is formed in the side edge of the sleeve 7, and the top end of the sleeve 7 is fixedly connected with the screw rod nut 6;

the diamond pen 8 is arranged at the bottom end of the sleeve 7 and is detachably connected with the sleeve 7;

the pin cooperates with the key slot of the sleeve 7, and the tail part of the pin is fixed with the frame 3.

Original structure is that alternating current servo motor 1 directly links elastic coupling 4 and drive lead screw 5 and leads to the axial compensation volume of buddha's warrior attendant pen 8 very little, generally is 0.005~0.02 to the rotation amount that needs control when leading to converting into the rotation angle of motor because the reason of lead screw 5 pitch is less, and is difficult to control. After the wave generator 23, the flexible gear 22 and the rigid gear 21 are additionally arranged, the output torque of the alternating current servo motor 1 is improved, the rotation amount is increased, the control of the axial compensation amount of the diamond pen 8 is facilitated, and the stability of the diamond pen 8 in resisting force during grinding wheel finishing is improved.

The lead screw nut 6 and the lead screw 5 use a ball lead screw nut 6 pair.

The thread pitch of the lead screw 5 is 3 mm.

The wave generator 23 is in a long arm shape, and the center point of the arm is fixedly connected with the rotating shaft of the alternating current servo motor 1;

the two ends of the long arm are hinged with rollers, and the rollers are meshed with the inner teeth of the flexible gear 22.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. A wheel dresser structure, comprising:

the alternating current servo motor is used for providing compensation power;

the wave generator is coaxially arranged with an output shaft of the alternating current servo motor, and the center of the wave generator is sleeved on a shaft of the alternating current servo motor;

the flexible gear is coaxially arranged with the wave generator and sleeved on the wave generator, and the internal teeth of the flexible gear are meshed with the wave generator;

the rigid wheel is coaxially arranged with the flexible wheel and sleeved outside the flexible wheel, and the inner teeth of the rigid wheel are meshed with the outer teeth of the flexible wheel;

the first end of the elastic coupling is in transmission connection with the output shaft of the flexible gear, and the second end of the elastic coupling is fixedly connected with the top end of the lead screw;

the screw rod is coaxially arranged with the elastic coupling, and the top end of the screw rod is fixedly connected with the second end of the elastic coupling;

the screw nut is sleeved on the screw and is matched with the screw to work;

the sleeve is sleeved at the lower end of the screw rod, a key groove is formed in the side edge of the sleeve, and the top end of the sleeve is fixedly connected with the screw rod nut;

the diamond pen is arranged at the bottom end of the sleeve and is detachably connected with the sleeve;

and the pin is matched with the key groove of the sleeve to work.

2. The wheel dresser structure of claim 1, wherein the screw nut and screw use a ball screw nut pair.

3. The dresser structure of claim 1, wherein the wave generator is in the form of a long arm, and the center point of the arm is fixedly connected to a rotating shaft of the ac servo motor;

and the two ends of the long arm are hinged with rollers, and the rollers are meshed with the inner teeth of the flexible gear.

4. A dresser arrangement according to claim 1 or claim 2, wherein the screw has a pitch of 3 mm.

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