CN204584971U - A kind of bearing grinder trimmer - Google Patents

Abstract

The utility model relates to a dresser for a bearing grinding machine, which belongs to bearing ring processing equipment. The utility model includes a base, a trimming assembly, a linear sliding mechanism and a reciprocating rotary mechanism. The linear sliding mechanism includes a sliding platform, a sliding guiding mechanism and a sliding driving mechanism. The sliding platform is slidably installed on the base through the sliding guiding mechanism. Seat, the sliding drive mechanism includes a screw pair and a linear servo motor, the linear servo motor drives the movement of the sliding table, the reciprocating and rotating mechanism includes a rotating arm, an upper bearing seat, a lower bearing seat and a rotary servo motor, an upper bearing seat and a lower bearing seat They are respectively installed on the upper and lower mounting parts of the sliding table. There is a recess in the middle of the rotating arm. The upper and lower supporting shafts of the rotating arm are respectively installed on the upper bearing seat and the lower bearing seat. The supporting shaft is connected, and the trimming assembly includes a diamond pen and a pen stand for installing the diamond pen. The pen stand is installed in the middle of the rotating arm, and the nib of the diamond pen is located in the recess. The utility model has the advantages of simple and compact structure and low cost.

Description

A bearing grinder dresser

technical field

The utility model belongs to the field of bearing ring processing equipment, in particular to a multifunctional bearing grinder dresser.

Background technique

When grinding the existing bearing rings, the rings often need to process the groove and the outer circular surface. After a period of processing, the grinding wheel needs to be trimmed in a straight line and arc. The existing mechanism is often on the grinding machine. Equipped with roller trimming or equipped with a set of feeding mechanism and arc trimming mechanism at the same time, but when the parts are tested in small batches, the above structures have the following defects. The roller trimming is expensive, and generally only one type of roller can be equipped. This kind of shape structure, when the grinding groove diameter of the same workpiece is slightly improved, the roller will be difficult to repair or cannot be repaired and can only be replaced; if a set of feeding mechanism and arc dressing mechanism are used at the same time, the structure is complicated and the cost increases. The overall rigidity of the device deteriorates.

Utility model content

The purpose of this utility model is to overcome the above-mentioned defects, and provide a bearing grinder dresser with simple and compact structure, low cost and capable of dressing straight lines and arcs at the same time.

For this reason, the utility model adopts the following technical solutions: a bearing grinder dresser, including a base and a dresser assembly, characterized in that the bearing grinder dresser also includes a linear sliding mechanism and a reciprocating rotation mechanism, and the linear sliding The mechanism includes a sliding platform, a sliding guiding mechanism and a sliding driving mechanism. The sliding guiding mechanism is a pair of guide rails. The slider of the above-mentioned guide rail pair enables the sliding table to slide and move on the guide rail. The described sliding drive mechanism includes a screw pair and a linear servo motor, and the screw rod of the screw rod pair and the rotating shaft of the linear servo motor Transmission connection, the two ends of the screw rod are respectively supported and installed on the base through a bearing seat, and the axial direction of the screw rod is consistent with the direction of the guide rail, and the nut of the screw rod pair is fixedly connected with the sliding table , the reciprocating mechanism includes a rotating arm, an upper bearing seat, a lower bearing seat and a rotary servo motor, an upper mounting part and a lower mounting part are provided on the sliding platform, and the upper bearing seat and the lower bearing seat Installed on the upper mounting part and the lower mounting part respectively, the middle part of one side of the rotating arm is provided with a concave part, the upper end and the lower end of the rotating arm are respectively provided with coaxial upper supporting shaft and lower supporting shaft, the upper supporting shaft and the lower supporting shaft The support shafts are respectively supported and installed on the upper bearing seat and the lower bearing seat, so that the rotating arm can rotate around the center line of the upper support shaft, and the motor shaft of the rotary servo motor is connected to the upper support shaft through transmission, and the rotation The servo motor drives the rotating arm to turn back and forth. The trimming assembly includes a diamond pen and a pen holder. The pen holder is installed in the middle of the rotating arm. The diamond pen is installed on the pen holder. , when the rotating arm rotates back and forth, the tip of the diamond pen moves in a circular arc.

When the utility model is used, when trimming the straight generatrix grinding wheel, turn off the rotary servo motor, start the linear servo motor, the linear servo motor drives the screw to rotate, and drives the sliding table to reciprocate in a straight line, so that the rotating arm installed on the sliding table and The diamond pen on the rotating arm performs linear reciprocating motion, which can realize the linear dressing of the outer circular surface of the grinding wheel; when dressing the arc generatrix grinding wheel, the linear servo motor is turned off, the pneumatic rotary servo motor drives the upper support shaft and the lower support The rotation of the shaft drives the reciprocating motion of the rotating arm, so that the diamond pen installed on the rotating arm performs a reciprocating rotary motion, and the tip of the diamond pen moves on an arc track to achieve arc dressing on the outer surface of the grinding wheel.

As a supplement and improvement to the above technical solution, the utility model also includes the following technical features.

The rotating arm includes an integrally formed upper arm and a lower arm, the upper arm and the lower arm are arranged at an angle so that the recess is formed between the two, and the connection between the upper arm and the lower arm is provided with a mounting hole, and the pen holder Wear it in the installation hole, the pen holder is provided with a diamond pen installation hole, the diamond pen tail is worn in the diamond pen installation hole, the nib of the diamond pen is located in the concave part, the diamond pen It can be adjusted axially in the mounting hole of the diamond pen. The diamond pen is fixed to the pen holder through a set screw. Through the axial adjustment of the diamond pen, the radian of the outer circular surface of the grinding wheel can be adjusted to adapt to different types of bearings.

The utility model can achieve the following beneficial effects: the diamond pen is driven by a linear servo motor to perform linear reciprocating motion to realize the straight line trimming of the outer circular surface of the grinding wheel; Arc trimming makes the structure simple and compact, with many functions and low cost, and the rotating arm has good rigidity and high stability.

Description of drawings

Fig. 1 is a schematic diagram of the top view direction of the utility model.

FIG. 2 is a schematic cross-sectional view along line A-A of FIG. 1 .

FIG. 3 is a schematic cross-sectional view of C-C in FIG. 1 .

Detailed ways

Specific embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 3, the utility model includes a base 3, a trimming assembly, a linear sliding mechanism and a reciprocating rotary mechanism. The linear sliding mechanism includes a sliding table 1, a sliding guiding mechanism and a sliding driving mechanism. The guide mechanism is a guide rail pair 8, and the two guide rails of the guide rail pair 8 are horizontally fixed on the side surface of the base 3 at a certain distance up and down, and the sliding table 1 is fixed on the slider of the guide rail pair 8, so that the sliding table 1 can Sliding movement on the guide rail, the sliding drive mechanism includes a screw pair 9 and a linear servo motor 10, the screw of the screw screw pair 9 is connected to the rotating shaft of the linear servo motor 10, and the two ends of the screw are respectively passed through a The bearing support is installed on the base 3 and the axial direction of the screw is consistent with the direction of the guide rail. The nut of the screw pair 9 is fixedly connected with the sliding table 1. The reciprocating mechanism includes a rotating arm 4 and an upper bearing 6. The lower bearing seat 7 and the rotary servo motor 5 are provided with an upper installation part and a lower installation part on the sliding table 1, and the upper bearing seat 6 and the lower bearing seat 7 are installed on the upper installation part and the lower installation part respectively, The swivel arm 4 comprises an upper arm and a lower arm integrally formed, the upper arm and the lower arm are arranged at an angle so that the recess is formed between the two, the connection between the lower end of the upper arm and the upper end of the lower arm is provided with a mounting hole, the upper end of the upper arm and the lower arm The lower end is respectively provided with a coaxial upper support shaft and a lower support shaft, and the upper support shaft and the lower support shaft are respectively supported and installed on the upper bearing seat 6 and the lower bearing seat 7, so that the rotating arm 4 can rotate around the center line of the upper support shaft, The motor shaft of the rotary servo motor 5 is connected with the transmission of the upper support shaft. The rotary servo motor 5 drives the rotating arm 4 to rotate back and forth. In the mounting hole of the pen base 11, a diamond pen mounting hole is provided, and the tail of the diamond pen 2 is installed in the diamond pen mounting hole. The diamond pen 2 can be axially adjusted in the diamond pen mounting hole, and the diamond pen 2 passes through a The set screw is fixed to the pen holder 11, and the nib of the diamond pen 2 is located in the recess. Through the axial adjustment of the diamond pen 2, the radian of the outer circular surface of the grinding wheel can be adjusted to adapt to different types of bearings. When the rotating arm 4 rotates back and forth , the nib of the King Kong pen 2 moves in an arc track.

When the utility model is used, when the straight generatrix grinding wheel is trimmed, turn off the rotary servo motor 5, start the linear servo motor 10, the linear servo motor 10 drives the screw to rotate, and drives the sliding table 1 to linearly reciprocate, so that it is installed on the sliding table 1 The rotating arm 4 on the upper side and the diamond pen 2 on the rotating arm 4 perform linear reciprocating motion, which can realize the straight line trimming of the outer circular surface of the grinding wheel; when trimming the arc generatrix grinding wheel, turn off the linear servo motor 10, and the pneumatic rotary servo motor 5, The rotary servo motor 5 drives the upper support shaft and the lower support shaft to rotate, and drives the rotating arm 4 to reciprocate and rotate, so that the diamond pen 2 installed on the rotating arm 4 performs a reciprocating rotary motion, and the nib of the diamond pen 2 moves in an arc track to realize Arc dressing on the outer surface of the grinding wheel.

Claims (2)

1. a bearing grinder trimmer, comprise pedestal and finishing module, it is characterized in that: described bearing grinder trimmer also comprises straight line slipping mechanism and reciprocating rotating mechanism, straight line slipping mechanism comprises slippage platform, sliding guide mechanism and slippage driving mechanism, sliding guide mechanism is guideway, the guide rail of guideway is laterally fixed on a side of described pedestal, described slippage platform is fixed on the slide block of described guideway, described slippage driving mechanism comprises screw pair and linear servo-actuator, the screw mandrel of screw pair is connected with the rotating shaft transmission of described linear servo-actuator, screw mandrel two ends support respectively by a bearing block and to be installed on described pedestal and the axis of screw mandrel is consistent with described guide rail direction, the nut of described screw pair is fixedly connected with described slippage platform, described reciprocating rotating mechanism comprises turning arm, top chock, step and rotary servovalve motor, described slippage platform is provided with installation portion and lower installation portion, described top chock and step are installed on described upper installation portion and lower installation portion respectively, described turning arm one middle side part is provided with recess, turning arm top and bottom are respectively arranged with coaxial upper back shaft and lower support axle, upper back shaft and lower support axle support respectively and are installed on described top chock and step, motor shaft and the described upper back shaft of described rotary servovalve motor are in transmission connection, described finishing module comprises diamond pen and pen stand, pen stand is installed in the middle part of described turning arm, diamond pen is installed on described pen stand, the nib of diamond pen is positioned at described recess.

2. a kind of bearing grinder trimmer according to claim 1, it is characterized in that: described turning arm comprises upper arm and the underarm of integral shaping, upper arm and underarm arrange at angle and make to form described recess between the two, the junction of upper arm and underarm is provided with installing hole, described pen stand is threaded onto in described installing hole, pen stand is provided with diamond pen installing hole, diamond pen afterbody is threaded onto described diamond pen installing hole and is fixed by a holding screw and pen stand, and the nib of described diamond pen is positioned at described recess.