阅读说明：本技术 一种磨床砂轮圆弧修整器 (Grinding machine emery wheel circular arc trimmer ) 是由 林继龙 林继泉 冯秀雷 高君吉 于 2020-06-10 设计创作，主要内容包括：本发明公开了一种磨床砂轮圆弧修整器,涉及轴承加工技术领域。该装置包括底板,所述的底板上转动设置有立柱,所述的立柱上从下往上依次套设有轴承底座、第一推力球轴承、轴承上座、旋转臂和压紧螺帽。所述旋转臂的另一端设置有可相对于所述的旋转臂沿长度方向滑动的前臂,且所述的前臂和旋转臂之间设置有用于锁紧所述的前臂的锁紧螺栓,所述前臂的外端面上固定设置有金刚笔。所述旋转臂的另一端和底板之间设置有用于驱动所述旋转臂往复摆动的驱动油缸。上位于所述旋转臂的悬空部的下方设置有用于驱动所述旋转臂绕所述立柱转动的驱动油缸。该修整器的半径可以根据需要进行调整,能够适应多规格小批量的生产模式,且调整过程简单、可靠。(The invention discloses a grinding wheel arc dresser of a grinding machine, and relates to the technical field of bearing processing. The device includes the bottom plate, the bottom plate on rotate and be provided with the stand, the stand on from up the cover in proper order down be equipped with bearing base, first thrust ball bearing, bearing upper bracket, swinging boom and gland nut. The other end of swinging boom be provided with for the swinging boom along the gliding forearm of length direction, just forearm and swinging boom between be provided with and be used for the locking bolt of forearm, the outer terminal surface of forearm is gone up the fixed diamond pen that is provided with. And a driving oil cylinder for driving the rotating arm to swing in a reciprocating manner is arranged between the other end of the rotating arm and the bottom plate. And the upper part is positioned below the suspended part of the rotating arm and is provided with a driving oil cylinder for driving the rotating arm to wind the upright post to rotate. The radius of the trimmer can be adjusted according to needs, the trimmer can adapt to production modes of multiple specifications in small batches, and the adjustment process is simple and reliable.)

1. The utility model provides a grinding machine emery wheel circular arc trimmer, includes the bottom plate, its characterized in that: the base plate is rotatably provided with an upright post, a bearing base, a first thrust ball bearing, a bearing upper seat, a rotating arm and a compression nut are sequentially sleeved on the upright post from bottom to top, and the rotating arm, the bearing upper seat, the first thrust ball bearing and the bearing base are sequentially compressed on the base plate under the compression action of the compression nut;

a through hole for accommodating the upright post is formed in one end of the rotating arm, a front arm capable of sliding in the length direction relative to the rotating arm is arranged at the other end of the rotating arm, a locking bolt for locking the front arm is arranged between the front arm and the rotating arm, and a diamond pen is fixedly arranged on the outer end face of the front arm;

and a driving oil cylinder for driving the rotating arm to swing in a reciprocating manner is arranged between the other end of the rotating arm and the bottom plate. And the upper part is positioned below the suspended part of the rotating arm and is provided with a driving oil cylinder for driving the rotating arm to wind the upright post to rotate.

2. A grinder grinding wheel arc dresser as claimed in claim 1, wherein: the stand on be located the cover is equipped with the apron between gland nut and the swinging boom, apron and swinging boom between be provided with and be used for hindering apron and swinging boom motion in opposite directions's compression spring.

3. A grinder grinding wheel arc dresser as claimed in claim 2, wherein: apron and swinging boom between be provided with at least three guide along the circumferencial direction equipartition, the lower extreme and the swinging boom fixed connection of guide, the upper end and the apron sliding connection of guide, the guide on lie in the cover is equipped with pressure spring between apron and the swinging boom.

4. A grinder grinding wheel arc dresser as claimed in claim 2, wherein: the rotating arm is fixedly provided with a scale matched with the cover plate, and the scale is provided with scales.

5. A grinder grinding wheel arc dresser as claimed in claim 2, wherein: the lower end of the upright post is rotatably connected with the bottom plate through a second thrust ball bearing, and the first thrust ball bearing and the second thrust ball bearing are identical in specification.

6. A grinder grinding wheel arc dresser as claimed in claim 1, wherein: the last side of swinging boom on be provided with the spout, be provided with on the downside of forearm with spout matched with slider, the swinging boom on be located the fixed backup pad that is provided with in rear of forearm, the backup pad on be provided with one and be used for the top tight bolt of forearm, the top tight bolt on be provided with lock nut.

7. A grinder grinding wheel arc dresser as claimed in claim 1, wherein: the cylinder body of actuating cylinder through first support with the bottom plate articulated mutually, the fixed second support that is the L type with the cross-section that is provided with of rod end of actuating cylinder's piston rod, the vertical part of second support with the rod end fixed connection of actuating cylinder's piston rod, the horizontal part of second support pass through the articulated shaft with the swinging boom articulated mutually.

8. A grinder wheel dresser as claimed in claim 7, wherein: the driving oil cylinder adopts a single-acting cylinder, and the rotating arm is provided with a tension spring for resetting the driving oil cylinder.

9. A grinder grinding wheel arc dresser as claimed in claim 1, wherein: the diameter of bearing upper bracket is greater than the diameter of bearing base, just coaxial spacing section of thick bamboo on the downside of bearing upper bracket, just the lower terminal surface of spacing section of thick bamboo is located the below of the side of going up of bearing base, spacing section of thick bamboo and bearing base between be provided with the sealing washer.

10. A grinder grinding wheel arc dresser as claimed in claim 1, wherein: the upright post is provided with an adjusting base plate between the connecting part of the bearing upper seat and the rotating arm.

Technical Field

The invention relates to the technical field of bearing processing, in particular to a grinding wheel arc dresser of a grinding machine.

Background

In the processing and production process of the bearing, annular parts with drum-shaped arc surfaces on the outer side surfaces are often encountered, and the processing process of the parts generally comprises the steps of firstly trimming a grinding wheel through a profiling arc trimming roller, and then grinding the parts to be processed by using the trimmed grinding wheel. When the drum-shaped arc surface of a large-sized bearing part is machined, a corresponding profiling arc trimming roller needs to be independently machined, and the maximum trimming radius of the profiling arc trimming roller of a common grinding machine is not larger than 100 mm.

In this way, when a single product or a part with a single arc radius is processed, the product can be continuously processed without replacing the profiling arc trimming roller. However, it is very inconvenient to process various types or various arc radii. Firstly, the copying arc trimming roller with various models needs to be customized, the surface of the copying arc trimming roller is inlaid with a layer of diamond, the price is high, and if the arc of each model needs to be customized, the cost of the product is correspondingly increased; secondly, when a product is processed, once a product of one model is processed, the copying arc trimming roller needs to be replaced, equipment needs to be adjusted again after replacement, production efficiency is reduced, production takt is prolonged, and production is seriously affected.

Disclosure of Invention

Aiming at the problems, the invention provides the grinding wheel arc dresser of the grinding machine, the radius of the dresser can be adjusted according to the requirements, the dresser can adapt to a production mode with multiple specifications and small batch, and the adjustment process is simple and reliable.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a grinding wheel arc trimmer of a grinding machine comprises a bottom plate, wherein a stand column is rotatably arranged on the bottom plate, a bearing base, a first thrust ball bearing, a bearing upper seat, a rotating arm and a compression nut are sequentially sleeved on the stand column from bottom to top, and the rotating arm, the bearing upper seat, the first thrust ball bearing and the bearing base are sequentially compressed on the bottom plate under the compression action of the compression nut;

a through hole for accommodating the upright post is formed in one end of the rotating arm, a front arm capable of sliding in the length direction relative to the rotating arm is arranged at the other end of the rotating arm, a locking bolt for locking the front arm is arranged between the front arm and the rotating arm, and a diamond pen is fixedly arranged on the outer end face of the front arm;

and a driving oil cylinder for driving the rotating arm to swing in a reciprocating manner is arranged between the other end of the rotating arm and the bottom plate. And the upper part is positioned below the suspended part of the rotating arm and is provided with a driving oil cylinder for driving the rotating arm to wind the upright post to rotate.

Further, the stand on be located the cover is equipped with the apron between gland nut and the swinging boom, apron and swinging boom between be provided with and be used for hindering apron and swinging boom motion in opposite directions's compression spring.

Further, apron and swinging boom between be provided with at least three guide along the circumferencial direction equipartition, the lower extreme and the swinging boom fixed connection of guide, the upper end and the apron sliding connection of guide, the guide on lie in the cover is equipped with pressure spring between apron and the swinging boom.

Furthermore, a scale matched with the cover plate is fixedly arranged on the rotating arm, and scales are arranged on the scale.

Furthermore, the lower end of the upright post is rotatably connected with the bottom plate through a second thrust ball bearing, and the specifications of the first thrust ball bearing and the second thrust ball bearing are the same.

Further, be provided with the spout on the last side of swinging boom, be provided with on the downside of forearm with spout matched with slider, the swinging boom on be located the fixed backup pad that is provided with in rear of forearm, the backup pad on be provided with one and be used for the top tight the puller bolt of forearm, puller bolt on be provided with lock nut.

Further, the cylinder body of the driving oil cylinder is hinged to the bottom plate through a first support, a second support with an L-shaped section is fixedly arranged at the rod end of the piston rod of the driving oil cylinder, the vertical portion of the second support is fixedly connected with the rod end of the piston rod of the driving oil cylinder, and the horizontal portion of the second support is hinged to the rotating arm through a hinge shaft.

Furthermore, the driving oil cylinder adopts a single-acting cylinder, and the rotating arm is provided with a tension spring for resetting the driving oil cylinder.

Further, the diameter of bearing upper bracket is greater than the diameter of bearing base, just coaxial spacing section of thick bamboo on the downside of bearing upper bracket, just the lower terminal surface of spacing section of thick bamboo is located the below of the side of going up of bearing base, spacing section of thick bamboo and bearing base between be provided with the sealing washer.

Furthermore, an adjusting base plate is sleeved on the upright post and positioned between the connecting part of the bearing upper seat and the rotating arm.

The invention has the beneficial effects that:

1. the trimmer can adjust the trimming radius according to requirements to meet the requirements of the size of the circular arc radius of a part to be machined, is not limited by the singleness of the radius of the trimmer, and can be well suitable for production modes of multiple specifications and small batches.

2. After this circular arc trimmer was once only installed, after adjusting its radius of trimming, need not pull down whole trimmer and reinstall, only need through the adjustment swinging boom stretch out length can, like this, on the one hand, the adjustment process is simple, and convenient operation is favorable to improving work efficiency. On the other hand, as long as the installation precision is ensured during the first installation, in the subsequent adjustment process, the precision cannot be changed or uncertain influence factors cannot be generated for the reason of adjustment, and the precision can be ensured.

3. The cost investment is one-time investment, and the pen only needs to be replaced in the using process.

4. By arranging the compression spring, the quantitative application of the pressing force can be realized by measuring the compression amount of the spring, so that on one hand, the phenomenon that the clearance of the first thrust ball bearing is reduced due to overlarge pressing force can be avoided on the premise of ensuring that the pressing force is sufficient; on the other hand, the locking function of the compression nut can also be achieved.

5. The adjusting base plate is arranged, so that the overall height of the dresser can be adjusted, the dresser is suitable for the height of the center line of the rotating shafts of different grinding machines, and the adjusting base plate can be conveniently replaced.

6. The automatic swinging of the rotating arm is realized by arranging the oil cylinder, the manual driving is not needed, and the production rhythm of the automatic grinding machine can be adapted.

Drawings

FIG. 1 is a schematic structural diagram of a circular arc dresser;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is a top view of a circular arc dresser;

FIG. 5 is an enlarged schematic view of portion C of FIG. 4;

FIG. 6 is a cross-sectional view A-A of FIG. 4;

FIG. 7 is an enlarged view of portion D of FIG. 6;

FIG. 8 is an enlarged view of section E of FIG. 6;

fig. 9 is a schematic view of the working state of the arc trimmer.

In the figure: 1-bottom plate, 11-stepped hole, 111-first hole section, 112-second hole section, 113-third hole section, 12-second thrust ball bearing, 2-upright column, 21-first shaft section, 22-second shaft section, 23-third shaft section, 31-bearing base, 32-first thrust ball bearing, 33-bearing upper base, 331-limiting cylinder, 4-adjusting backing plate, 5-rotating arm, 51-supporting plate, 52-tightening bolt, 521-locking nut, 53-scale, 54-front arm, 541-diamond pen, 542-set screw, 55-locking bolt, 6-cover plate, 7-pressing nut, 8-guiding piece, 81-pressing spring, 9-driving oil cylinder, 91-first bracket, 92-second support, 93-articulated shaft, 94-tension spring.

Detailed Description