Polishing machine for bearing machining
Technical Field
The invention relates to the field of bearing manufacturing, in particular to a polishing machine for bearing processing.
Background
The bearing is an important part in the modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the moving process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, the early linear motion bearing mode is that a row of wooden rods are placed under a row of crow plates, the modern linear motion bearing uses the same working principle, but sometimes uses balls to replace rollers, the simplest rotary bearing is a shaft sleeve bearing which is just a bush clamped between a wheel and a wheel shaft, the design is subsequently replaced by a rolling bearing which replaces the original bush with a plurality of cylindrical rollers, each rolling body is just like an independent wheel, the outer ring and the inner ring of the bearing need to be polished when the bearing leaves a factory, the existing bearing surface polishing device has a complex structure, and the bearing surface polishing device cannot realize the simultaneous polishing treatment of the inner ring and the outer ring of the bearing, the technical process of bearing surface polishing is increased, the type of the bearing polished by the bearing surface polishing device is single, and a plurality of parts need to be replaced when the bearings with different sizes are polished, so that a novel polishing machine for bearing processing needs to be developed, and the problems that the polishing of the inner ring and the outer ring of the bearing can not be simultaneously performed by the conventional bearing surface polishing device and the type of the bearing polished by the bearing surface polishing device is single are solved.
Summary of the invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a polishing machine for bearing processing structurally comprises a motor, a motor bracket, a directional support, a bearing polishing device, a dust guide pipe, a dust storage box and an air outlet pipe, a motor bracket is arranged at the center of the rear end of the directional support, the motor bracket is welded with the directional support, the center of the rear end of the motor bracket is provided with a motor which is in interference fit with the motor bracket, the center of the front end of the directional support is provided with a bearing polishing device, the motor penetrates through the motor bracket and the directional support in sequence through the motor shaft and is connected with the bearing polishing device, a dust storage box is arranged below the motor bracket, the dust storage box is movably connected with the motor bracket, the dust storage box top be equipped with lead the dirt pipe, dust storage box and bearing burnishing device pass through to lead the dirt union coupling, dust storage box rear end be equipped with out the tuber pipe and the two adopts interference fit.
As a further optimization of the technical scheme, the bearing polishing device comprises a polishing groove, an outer ring inner ring synchronous positioning mechanism, a support and an outer ring inner ring synchronous polishing mechanism, wherein the polishing groove is arranged at the front end of the support, the polishing groove and the support are of an integrated structure, the four outer ring inner ring synchronous positioning mechanisms are uniformly arranged at the front end of the support at equal intervals, and the outer ring inner ring synchronous polishing mechanism is arranged at the center position inside the support.
As a further optimization of the technical scheme, the outer ring and inner ring synchronous positioning mechanism comprises a positioning block, a press button, a spring, a sliding sleeve, an outer ring positioning rod, an outer ring positioning plate and an inner ring positioning frame, the central position of the positioning block is provided with the sliding sleeve, the sliding sleeve is embedded and fixed on a notch of the central position of the positioning block, the inner part of the sliding sleeve is provided with the outer ring positioning rod, the outer ring positioning rod is in sliding fit with the sliding sleeve, the central position of the top of the positioning block is provided with the press button, the press button is connected with the rear end of the outer ring positioning rod, the spring is arranged between the press button and the sliding sleeve, the spring is sleeved on the outer ring positioning rod, the head end and the tail end of the spring are respectively fixed on the press button and the sliding sleeve, the front end of the outer ring positioning rod is provided, the inner ring positioning frame is arranged at the center of the front end of the outer ring positioning rod.
As a further optimization of the technical scheme, the inner ring positioning frame is composed of a threaded sleeve, a threaded rod, a bearing and an inner ring positioning plate, the rear end of the threaded sleeve is welded at the front end of the outer ring positioning rod, the front end of the threaded sleeve is provided with the threaded rod, the threaded sleeve and the threaded sleeve are in threaded fit, the inner ring positioning plate is arranged at the front end of the threaded rod, the inner ring positioning plate and the outer ring positioning plate are parallel, and the threaded rod and the inner ring positioning plate are movably connected through the bearing.
As the further optimization of this technical scheme, outer lane inner circle synchronous polishing mechanism constitute by axle sleeve, blade, electronic pole, polishing frame, screw lead screw, the even equidistance of axle sleeve outer wall be equipped with the electronic pole more than two, electronic pole and axle sleeve adopt interference fit, electronic pole head end be equipped with the screw lead screw and the two forms the type structure, screw lead screw and electronic pole head end adopt screw-thread fit, screw lead screw top be equipped with the polishing frame and the two adopts swing joint, the even equidistance in axle sleeve top be equipped with the blade more than two, blade and axle sleeve adopt interference fit.
As the further optimization of the technical scheme, the polishing frame comprises a polishing wheel, a spring rod, positioning grooves and a disc, the positioning grooves are formed in two sides of the disc, the positioning grooves and the disc are of an integrated structure, the spring rod is provided with two positioning grooves which are symmetrically distributed on two sides of the disc in an axial mode, the spring rod and the positioning grooves are in interference fit, the head end of the spring rod is provided with the polishing wheel, and the head end of the polishing wheel is movably connected with the head end of the spring rod.
As a further optimization of the technical scheme, the rear end of the outer ring positioning plate is provided with two hemispherical rubber balls in parallel and at equal intervals.
As a further optimization of the technical scheme, the front end of the inner ring positioning plate is provided with two hemispherical rubber balls in parallel and at equal intervals.
Advantageous effects
The polishing machine for bearing processing is reasonable in design and strong in functionality, and has the following beneficial effects:
the invention relates to an outer ring and inner ring synchronous positioning mechanism, wherein four outer ring and inner ring synchronous positioning mechanisms are uniformly and equidistantly arranged at the front end of a support, each outer ring and inner ring synchronous positioning mechanism is encircled into a ring-wall-shaped structure along a polishing groove, firstly, an outer ring of a bearing is placed into the polishing groove, a press button is pressed to stress and compress a spring, an outer ring positioning rod is pushed to move forwards along a sliding sleeve, an outer ring positioning plate is placed in the outer ring, then, the press button is released to reset the spring and drive the outer ring positioning rod to move backwards along the sliding sleeve, the outer ring positioning plate is attached to the upper edge of the inner wall of the outer ring, two hemispherical rubber balls are parallelly and equidistantly arranged at the rear end of the outer ring positioning plate, the hemispherical rubber balls have the characteristics of deformation and skid resistance, the outer ring positioning plate is prevented from contacting with the outer ring of the bearing to cause scratch marks of the, the bearing outer ring can be fixed on the polishing groove, the bearing inner ring is placed in the center position of the interior of the bearing outer ring, the threaded rod is rotated clockwise to push the inner ring positioning plate to move forwards along the threaded sleeve, the inner ring positioning plate is attached to the outer wall of the bearing inner ring through two hemispherical rubber balls arranged at the front end in parallel and equidistantly, the four outer ring positioning plates are uniformly distributed at four positions of the inner ring, and the bearing inner ring can be fixed on the polishing groove by utilizing opposite extrusion acting force formed by the four threaded rods;
the synchronous polishing mechanism for the outer ring and the inner ring of the invention has the advantages that because the head end of the electric rod is provided with the threaded lead screw and has a two-type structure, the top end of the threaded lead screw is provided with the polishing frame and is in threaded fit with the head end of the electric rod, the length of the threaded lead screw extending upwards along the electric rod is firstly adjusted, so that the polishing frame can be just arranged between the outer ring and the inner ring of the bearing, the polishing requirements of bearings with different diameters can be met by adjusting the telescopic length of the electric rod, because the two ends of a disc on the polishing frame are provided with the spring rods, and the head end of the spring rod is provided with the polishing wheel, the spring rods mainly have the function of enabling the polishing wheel to be always attached to the inner wall of the outer ring of the bearing and the outer wall of the inner ring of the bearing through the elastic force of the spring rods, thereby improving the polishing precision, the polishing wheel respectively attached to the outer ring and the inner ring is utilized to polish the inner wall of the bearing outer ring and the outer wall of the bearing inner ring, a certain amount of dust can be generated in the polishing process, the dust is doped between the polishing wheel and the bearing outer ring as well as between the polishing wheel and the bearing inner ring, the polishing effect can be influenced, more than two blades are uniformly arranged on the top of the shaft sleeve at equal intervals, and in the process that the shaft sleeve drives the blades to rotate, airflow formed by the blades can form negative pressure inside the closed support, so that the dust generated in the polishing process is sucked into the dust storage box through the dust guide pipe, the rear end of the dust storage box is provided with the air outlet pipe, redundant gas inside the dust storage box can be discharged, and the airflow formed by the;
the invention can simultaneously position the outer ring and the inner ring of the bearing on the polishing groove by utilizing the opposite tension formed by the spring and the opposite extrusion acting force formed by the threaded rod through the outer ring and inner ring synchronous positioning mechanism, can always ensure that the polishing wheels at two ends of the disc are respectively attached to the inner wall of the outer ring of the bearing and the outer wall of the inner ring of the bearing through the elastic force of the spring rod through the outer ring and inner ring synchronous polishing mechanism, and can continuously rotate along the annular groove formed by the outer ring and the inner ring of the bearing through the driving torque generated by the motor, and the problem that the inner ring and the outer ring of the bearing can not be simultaneously polished by the conventional bearing surface polishing device and the bearing type of the bearing surface polishing device can be polished is single is solved through the outer ring and inner ring synchronous positioning mechanism and the.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a polishing machine for bearing processing according to the present invention.
FIG. 2 is a schematic top view of the polishing apparatus for a bearing according to the present invention;
FIG. 3 is a schematic cross-sectional view of the outer ring and inner ring synchronous positioning mechanism of the present invention;
FIG. 4 is a schematic top view of the outer ring and inner ring synchronous polishing mechanism of the present invention;
FIG. 5 is a schematic side view of the outer ring and inner ring synchronous polishing mechanism of the present invention;
FIG. 6 is a schematic top cross-sectional view of a polishing stand according to the present invention.
In the figure: motor-1, motor support-2, oriented support-3, bearing polishing device-4, polishing groove-41, outer ring inner ring synchronous positioning mechanism-42, positioning block-42 a, press button-42 b, spring-42 c, slide sleeve-42 d, outer ring positioning rod-42 e, outer ring positioning plate-42 f, inner ring positioning frame-42 g, thread sleeve-42 g1, threaded rod-42 g2, bearing-42 g3, inner ring positioning plate-42 g4, support-43, outer ring inner ring synchronous polishing mechanism-44, shaft sleeve-44 a, blade-44 b, electric rod-44 c, polishing frame-44 d, polishing wheel-44 d1, spring rod-44 d2, positioning groove-44 d3, disk-44 d4, threaded screw rod-44 e, electric rod-44 c, polishing frame-44 d, polishing wheel-44 d1, spring rod-44 d2, positioning groove-44 d 85, A dust guide pipe-5, a dust storage box-6 and an air outlet pipe-7.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Examples
Referring to fig. 1 to 6, the present invention provides an embodiment of a polishing machine for bearing processing;
referring to fig. 1, a polishing machine for bearing processing comprises a motor 1, a motor bracket 2, a directional support 3, a bearing polishing device 4, a dust guide pipe 5, a dust storage box 6 and an air outlet pipe 7, wherein the motor bracket 2 is arranged at the center of the rear end of the directional support 3, the motor bracket 2 is welded with the directional support 3, the motor 1 is arranged at the center of the rear end of the motor bracket 2 and is in interference fit with the motor bracket 2, the bearing polishing device 4 is arranged at the center of the front end of the directional support 3, the motor 1 sequentially penetrates through the motor bracket 2 and the directional support 3 through a motor shaft to be connected with the bearing polishing device 4, the dust storage box 6 is arranged below the motor bracket 2, the dust storage box 6 is movably connected with the motor bracket 2, the dust guide pipe 5 is arranged at the top of the dust storage box 6, and the bearing polishing device 4 are connected through the dust guide pipe 5, the rear end of the dust storage box 6 is provided with an air outlet pipe 7, and the air outlet pipe are in interference fit.
Referring to fig. 2, the bearing polishing apparatus 4 includes a polishing groove 41, an outer ring and inner ring synchronous positioning mechanism 42, a support 43, and an outer ring and inner ring synchronous polishing mechanism 44, wherein the support 43 is a hollow cylindrical structure, the polishing groove 41 is disposed at a front end of the support 43, the polishing groove 41 is an annular structure and is integrated with the support 43, four outer ring and inner ring synchronous positioning mechanisms 42 are uniformly disposed at a front end of the support 43 at equal intervals, each outer ring and inner ring synchronous positioning mechanism 42 is surrounded into an annular wall structure along the polishing groove 41, and the outer ring and inner ring synchronous polishing mechanism 44 is disposed at a central position inside the support 43.
Referring to fig. 3, the outer ring and inner ring synchronous positioning mechanism 42 is composed of a positioning block 42a, a press button 42b, a spring 42c, a sliding sleeve 42d, an outer ring positioning rod 42e, an outer ring positioning plate 42f and an inner ring positioning frame 42g, the positioning block 42a is rectangular and has a sliding sleeve 42d at the center, the sliding sleeve 42d is embedded and fixed on a notch at the center of the positioning block 42a, the outer ring positioning rod 42e is arranged inside the sliding sleeve 42d, the outer ring positioning rod 42e is rectangular and has a plate-shaped structure and is in sliding fit with the sliding sleeve 42d, the press button 42b is arranged at the center of the top of the positioning block 42a, the press button 42b is connected with the rear end of the outer ring positioning rod 42e, the spring 42c is arranged between the press button 42b and the sliding sleeve 42d, the head and the tail ends of the spring 42c are respectively fixed on the press button 42b and the sliding sleeve 42d, the front end of the outer ring positioning rod 42e is provided with an outer ring positioning plate 42f, the outer ring positioning plate 42f and the positioning block 42a are parallel to each other, the top of the outer ring positioning plate 42f is welded with the outer ring positioning rod 42e, the inner ring positioning frame 42g is arranged at the central position of the front end of the outer ring positioning rod 42e, the inner ring positioning frame 42g consists of a threaded sleeve 42g1, a threaded rod 42g2, a bearing 42g3 and an inner ring positioning plate 42g4, the threaded sleeve 42g1 is of a cylindrical structure, the rear end of the threaded sleeve 42g1 is welded at the front end of the outer ring positioning rod 42e, the threaded rod 42g2 is arranged at the front end of the threaded sleeve 42g2 and is in threaded fit with the inner ring positioning plate 42g4, the inner ring positioning plate 42g4 is parallel to the outer ring positioning plate 42f, the threaded rod 42g2 is movably connected with the inner ring positioning plate 42g4 through the bearing 42g3, the outer ring, the front end of the inner ring positioning plate 42g4 is provided with two hemispherical rubber balls in parallel and at equal intervals.
Referring to fig. 4 and 5, the outer ring and inner ring synchronous polishing mechanism 44 is composed of a shaft sleeve 44a, blades 44b, an electric rod 44c, a polishing frame 44d and a threaded lead screw 44e, four electric rods 44c are uniformly arranged on the outer wall of the shaft sleeve 44a at equal intervals, the electric rods 44c and the shaft sleeve 44a are in interference fit, the threaded lead screw 44e is arranged at the head end of the electric rod 44c and forms an L-shaped structure, the threaded lead screw 44e and the electric rod 44c are in threaded fit, the polishing frame 44d is arranged at the top end of the threaded lead screw 44e and is movably connected with the electric rod 44e, four blades 44b are uniformly arranged at the top of the shaft sleeve 44a at equal intervals, the blades 44b and the shaft sleeve 44a are in interference fit, and the shaft sleeve 44a generates driving torque through a motor shaft arranged at the front end of the motor 1.
Referring to fig. 6, the polishing frame 44d is composed of a polishing wheel 44d1, a spring rod 44d2, a positioning slot 44d3 and a disk 44d4, the positioning slots 44d3 are formed on two sides of the disk 44d4, the positioning slot 44d3 and the disk 44d4 are of an integrated structure, the spring rod 44d2 is provided with two positioning slots 44d3 which are axially symmetrically distributed on two sides of the disk 44d4, the spring rod 44d2 and the positioning slot 44d3 are in interference fit, the polishing wheel 44d1 is arranged at the head end of the spring rod 44d2, and the head ends of the polishing wheel 44d1 and the spring rod 44d2 are movably connected.
The specific realization principle is as follows:
all electrical equipment of the invention is intelligently controlled by a PLC control system, four outer ring inner ring synchronous positioning mechanisms 42 are uniformly and equidistantly arranged at the front end of a support 43, each outer ring inner ring synchronous positioning mechanism 42 is enclosed into a ring-wall-shaped structure along a polishing groove 41, firstly, the outer ring of a bearing is placed into the polishing groove 41, a press button 42b is pressed to stress and compress a spring 42c, an outer ring positioning rod 42e is pushed to move forwards along a sliding sleeve 42d, an outer ring positioning plate 42f is arranged in the outer ring, then, the press button 42b is released, the spring 42c is reset and drives the outer ring positioning rod 42e to move backwards along the sliding sleeve 42d, the outer ring positioning plate 42f is attached to the upper edge of the inner wall of the outer ring, two hemispherical rubber balls are parallelly and equidistantly arranged at the rear end of the outer ring positioning plate 42f, and the outer ring positioning plate 42f is prevented from contacting with the, cause bearing inner race mar, influence the precision, four positions in the outer lane through four outer lane locating plates 42f evenly distributed, utilize the subtend pulling force that four outer lane locating levers 42e cooperation spring 42c formed, make the bearing inner race can fix on polishing groove 41, put into the inside central point of bearing inner race and put into, through clockwise rotation threaded rod 42g2, make threaded rod 42g2 promote inner race locating plate 42g4 along thread bush 42g1 and move forward, make two hemisphere rubber balls that inner race locating plate 42g4 was equipped with through the parallel equidistance of front end laminate mutually with the outer wall of bearing inner race, four positions at the inner race through four outer lane locating plates 42f evenly distributed, utilize the subtend extrusion effort that four threaded rods 42g2 formed, make the bearing inner race can fix on polishing groove 41: because the head end of the electric rod 44c is provided with the threaded lead screw 44e and the two are in an L-shaped structure, the top end of the threaded lead screw 44e is provided with the polishing frame 44d and is in threaded fit with the head end of the electric rod 44c, firstly, the length of the threaded lead screw 44e extending upwards along the electric rod 44c is adjusted, so that the polishing frame 44d can be just arranged between the outer ring and the inner ring of the bearing, and the polishing requirements of bearings with different diameters can be met by adjusting the telescopic length of the electric rod 44c, because the two ends of the disc 44d4 on the polishing frame 44d are provided with the spring rods 44d2, and the head end of the spring rod 44d2 is provided with the polishing wheel 44d1, the spring rod 44d2 mainly has the function of enabling the polishing wheel 44d1 to be always attached to the inner wall of the outer ring of the bearing and the outer wall of the inner ring of the bearing through the self elastic, therefore, when the motor shaft rotates, the polishing frame 44d is driven to continuously rotate along the annular grooves formed by the outer ring of the bearing and the inner ring of the bearing, the polishing wheels 44d1 respectively attached to the outer ring and the inner ring are used for polishing the inner wall of the outer ring of the bearing and the outer wall of the inner ring of the bearing, a certain amount of dust is generated in the polishing process, the dust is doped between the polishing wheels 44d1 and the outer ring and the inner ring of the bearing, the polishing effect can be influenced, more than two blades 44b are uniformly and equidistantly arranged at the top of the shaft sleeve 44a, and in the process that the shaft sleeve 44a drives the blades 44b to rotate, airflow formed by the blades 44b forms negative pressure inside the closed support 43, so that the dust generated in the polishing process is sucked into the dust storage box 6 through the dust guide pipe 5, the air outlet pipe 7 is arranged at the rear end of the dust storage box 6, redundant air in the dust storage box 6 can be discharged, the outer ring and inner ring synchronous positioning mechanism 42 is matched with the outer ring and inner ring synchronous polishing mechanism 44, so that the problem that the conventional bearing surface polishing device cannot simultaneously polish the inner ring and the outer ring of the bearing and can polish the bearing with a single type is solved.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.