Bearing roller spherical base surface zoning grinding equipment

Abstract

The embodiment of the present invention relates to the technical field of bearing roller processing, and particularly relates to a bearing roller ball base surface partition grinding device, which includes a frame and a revolution mechanism, a rotation mechanism, a feeding mechanism, and a grinding wheel all installed on the frame. The bearing rollers are fed into the accommodating grooves one by one at certain time intervals through the feeding mechanism. Driven by the rotation of the revolution disc and the rotation disc, the bearing rollers in the accommodating grooves revolve around the axis of the revolution disc and rotate around their own axes, thereby generating a centrifugal force. The beneficial effect of the embodiment of the present invention is that under the action of this centrifugal force, the pressure of the bearing roller pressing against the grinding wheel is constant, thereby ensuring a constant grinding speed and ensuring the machining accuracy of the R angle of the ball base surface.

Description

Technical Field

[0001] The present invention relates to the technical field of bearing roller processing, and particularly relates to a bearing roller spherical base surface partition grinding device. Background Art

[0002] The spherical base surface is between the two end faces and the circumferential side surface of the bearing roller, that is, the chamfer between the two end faces and the circumferential side surface of the bearing roller is a fillet, and is equal everywhere.

[0003] This fillet is usually ground by a grinding wheel with an inner spherical surface as the grinding area. The existing equipment uses a single fixture to hold a bearing roller, and then moves along the axis direction of the grinding wheel, and maintains a certain feed rate (the feed direction perpendicular to the axis direction of the grinding wheel), and the size of the fillet, that is, the radius size of the spherical base surface, is maintained by this feed rate. The production efficiency is low, and due to the manufacturing and clamping errors of the fixture, the dimensional deviation is large, that is, the dimensional stability is insufficient.

[0004] Therefore, a bearing roller spherical base surface partition grinding device is needed to overcome the occurrence of the above problems. Summary of the Invention

[0005] In order to solve the above problems, that is, to solve the problems of low production efficiency, large dimensional deviation, and poor dimensional stability, an embodiment of the present invention provides a bearing roller spherical base surface partition grinding device, which includes:

[0006] A frame;

[0007] A revolution mechanism, the revolution mechanism includes a revolution turntable and a first power assembly that drives the revolution turntable to be rotatably installed on the frame. At least two accommodation grooves are provided on the revolution turntable. The openings of the at least two accommodation grooves face away from the axis of the revolution turntable. The at least two accommodation grooves are evenly arranged on the circumferential side of the axis of the revolution turntable. The depth of the accommodation groove is greater than the height of the bearing roller;

[0008] A rotation mechanism, the rotation mechanism includes a rotation turntable and a second power assembly that drives the rotation turntable to be reversely rotatable relative to the revolution turntable and installed on the frame. The rotation turntable is coaxial with the revolution turntable, and the rotation turntable is located below the revolution turntable. The distance between the rotation turntable and the revolution turntable is less than the small end radius of the bearing roller;

[0009] A feeding mechanism, installed on the frame and located outside the revolution turntable;

[0010] A grinding wheel is rotatably mounted on the frame under the drive of a third power component, the outer edge of the grinding wheel is a grinding area in the shape of an inner spherical surface, the opening of the grinding area faces the revolving disk, and the axis of the grinding wheel and the center of the end of the bearing roller carried by the rotating disk are located in the same plane, the grinding area includes a first grinding area, a second grinding area and a third grinding area which are arranged in sequence along the rotation direction of the revolving disk, and the mesh sizes of the grinding particles in the first grinding area, the second grinding area and the third grinding area decrease in sequence.

[0011] Furthermore, the feeding mechanism includes a feeding pipe, a medium box, a medium pipe and a medium pump, wherein:

[0012] The feeding pipe is a hose, the feeding port of the feeding pipe is connected to the vibration plate, and the feeding port of the feeding pipe is adjacent to any one of the containing slots;

[0013] The medium box is connected to the feeding pipe through the medium pipe, the medium pipe is close to the feed port, and the angle between the extension direction of the medium pipe and the direction in which the bearing roller is transported in the feeding pipe is a feeding power angle, and the feeding power angle is an acute angle. The medium pump is installed on the medium pipe.

[0014] Furthermore, the feeding mechanism also includes a solenoid valve and a pressure relief pipe, wherein:

[0015] The solenoid valve is installed at the discharge port of the feeding pipe, a timer is integrated on the solenoid valve, and the solenoid valve is linked with the medium pump; the first end of the pressure relief pipe is connected to the feeding pipe, a blocking component with a through hole is fixed to the first end of the pressure relief pipe, or the inner diameter of the first end of the pressure relief pipe is smaller than the small end diameter of the bearing roller, and the second end of the pressure relief pipe is connected to the medium box.

[0016] Furthermore, the pressure relief pipe is arranged above the feeding pipe, and the angle between the extension direction of the first end of the pressure relief pipe and the direction in which the bearing roller is transported in the feeding pipe is the pressure relief angle, and the pressure relief angle is greater than 90°.

[0017] Furthermore, the first power assembly comprises a first power unit and a rotating shaft which are sequentially connected in a transmission manner, the rotating shaft is rotatably mounted on the frame, and the power output end of the rotating shaft is coaxially fixedly connected to the public rotating disk;

[0018] The second power assembly comprises a second power unit and a rotating drum which are sequentially connected in transmission, the rotating drum is sleeved outside the rotating shaft, and the power output end of the rotating drum is coaxially fixedly connected with the rotating disk;

[0019] A first tapered roller bearing is installed between the rotating shaft and the rotating cylinder;

[0020] A fixed cylinder is sleeved outside the rotating cylinder, a second tapered roller bearing is installed between the rotating cylinder and the fixed cylinder, and the fixed cylinder is fixed to the frame.

[0021] Furthermore, it further includes a controller, and the control ends of the first power assembly, the second power assembly, the third power assembly, and the feeding mechanism are all signal-connected to the controller;

[0022] It further includes a material jamming detection unit signal-connected to the controller, and the material jamming detection unit is fixed to the frame for detecting bearing rollers that cannot bounce upward synchronously with the male turntable.

[0023] Furthermore, the male turntable is adjacent to the self-rotating turntable, and a shielding portion with an inner cylindrical surface is provided above the receiving groove in a penetrating manner or.

[0024] Furthermore, it further includes a baffle plate. The baffle plate is an arc-shaped thin plate with an axis coinciding with that of the male turntable. The first end of the baffle plate is adjacent to the feeding side of the grinding wheel, the second end of the baffle plate extends along the rotation direction of the self-rotating turntable, and the central angle formed by the arc along which the baffle plate extends is not greater than 90°;

[0025] A plurality of guide rollers are rotatably installed on the side of the baffle plate facing the male turntable.

[0026] Furthermore, a leveling inclined surface with the same slope as that of the bearing roller is formed at the position of the self-rotating turntable corresponding to the receiving groove.

[0027] Furthermore, it further includes a material receiving mechanism, which includes a material receiving tray, a material receiving pipe, and a material receiving container, where:

[0028] The material receiving tray is a thin plate extending along an arc. The first end of the material receiving tray is adjacent to the male turntable and is located on the discharging side of the grinding wheel. The second end of the material receiving tray extends along the direction away from the grinding wheel. A discharging port is provided at the outer edge of the material receiving tray. The first end of the material receiving pipe is connected to the discharging port, and the second end of the material receiving pipe communicates with the material receiving container;

[0029] The height of the material receiving tray gradually decreases along the direction close to the discharging port, and the height of the material receiving pipe gradually decreases along the height from the first end of the material receiving pipe to the second end of the material receiving pipe.

[0030] The beneficial effects of the embodiments of the present invention are:

[0031] The bearing rollers are fed one by one into the receiving grooves of the male turntable through the feeding mechanism. Driven by the first power assembly, the male turntable rotates to drive the bearing rollers to rotate integrally with the axis of the male turntable as the center;

[0032] Driven by the second power component, the self-rotating disk rotates in the opposite direction relative to the public rotating disk. The bearing rollers rotate on their own under the drive of the frictional force exerted on them by the self-rotating disk. The rotation direction is that the upper side rotates backward (the rotation direction of the public rotating disk is forward, and backward is opposite to forward). Before the rotation speed reaches the point where the bearing rollers slide relative to the self-rotating disk, the self-rotation speed of the bearing rollers is equal to the sum of the linear speeds of the public rotating disk and the self-rotating disk. That is, when the rotation speeds of the public rotating disk and the self-rotating disk are not large, a relatively large self-rotation speed of the bearing rollers can be obtained. As a result, the bearing rollers can rotate more circles per unit time, thereby reducing the grinding amount per rotation on the premise of the same grinding amount, avoiding uneven grinding caused by too large a grinding amount per rotation, and thus ensuring a small R-angle deviation and high dimensional stability of the spherical base surface;

[0033] While revolving with the public rotating disk and rotating on its own, the bearing rollers are affected by centrifugal force. Under the action of this centrifugal force, the bearing rollers are pressed against the grinding area, thereby performing grinding. That is, by adjusting the rotation speed of the public rotating disk and the rotation speed of the self-rotating disk, the magnitude of the centrifugal force exerted on the bearing rollers can be adjusted. This centrifugal force is equal to the pressure between the bearing rollers and the grinding area. That is to say, the pressure pressing the bearing rollers against the grinding area can be adjusted, thereby adjusting the grinding amount, that is, adjusting the magnitude of the central angle corresponding to the R-angle of the spherical base surface. That is to say, the arc length of the R-angle of the spherical base surface is adjusted. This adjustment method is precise, without being affected by the machining and assembly precision of parts, further improving the dimensional stability of the R-angle of the spherical base surface and avoiding the problems of long response time and large influence by the machining and assembly precision of parts caused by adjusting through clamping with a fixture and relying on the pressure sensor and the stroke of the fixture;

[0034] The number of receiving grooves on the public rotating disk can be flexibly set according to actual situations, thus ensuring continuous grinding operations. And as long as the machining precision and assembly precision of the public rotating disk are ensured, the R-angle of the spherical base surface can have high dimensional stability and is easy to control;

[0035] The mesh number of the grinding particles in the grinding area decreases sequentially along the rotation direction of the public rotating disk, so that the grinding amount decreases sequentially on the premise that the pressure between the bearing rollers and the grinding area remains unchanged (as described above, this pressure is related to the rotation speeds of the public rotating disk and the self-rotating disk), thereby further ensuring the machining precision. Brief Description of the Drawings

[0036] Figure 1 It is a three-dimensional structural schematic diagram of a first perspective of an embodiment of an equipment for grinding the spherical base surface of bearing rollers in sections;

[0037] Figure 2 is Figure 1 a partial enlarged view of area Z1 in

[0038] Figure 3 Figure 1 a partial enlarged view of area Z2 in

[0039] Figure 4 Figure 1 Partial enlarged view of the middle region Z3;

[0040] Figure 5 Schematic perspective view of a second perspective of an embodiment of a bearing roller ball base surface zoning grinding device;

[0041] Figure 6 is Figure 5 Partial enlarged view of the middle region Y;

[0042] Figure 7 Schematic perspective view of a third perspective of an embodiment of a bearing roller ball base surface zoning grinding device;

[0043] Figure 8 Schematic perspective view of an embodiment of a revolution mechanism;

[0044] Figure 9 Schematic perspective view of an embodiment of a rotation mechanism;

[0045] Figure 10 An assembly method of a rotating shaft, a rotating cylinder and a fixed cylinder;

[0046] Figure 11 Schematic perspective view of an embodiment of a grinding wheel;

[0047] Figure 12 Front view of an embodiment of a tapered roller bearing roller.

[0048] In the figure:

[0049] 200, revolution mechanism; 210, revolution turntable; 211, receiving groove; 212, fin; 220, first power assembly; 221, first power unit; 222, rotating shaft; 223, first tapered roller bearing; 230, first driving gear; 240, first driven gear;

[0050] 300, rotation mechanism; 310, rotation turntable; 311, leveling inclined plane; 320, second power assembly; 321, second power unit; 322, rotating cylinder; 323, second tapered roller bearing; 330, second driving gear; 340, second driven gear;

[0051] 400, feeding mechanism; 410, feeding pipe; 420, medium tank; 430, medium pipe; 431, feeding power angle; 440, medium pump; 450, solenoid valve; 460, pressure relief pipe; 461, pressure relief angle;

[0052] 500, grinding wheel; 510, first grinding area; 520, second grinding area; 530, third grinding area;

[0053] 610. Fixed cylinder; 620. Material clamping detection unit;

[0054] 700. Material blocking plate; 710. Guide roller;

[0055] 800. Material receiving mechanism; 810. Material receiving tray; 811. Discharge port; 820. Material receiving container;

[0056] 900. Tapered bearing roller; 910. Ball base surface. Detailed implementation manners

[0057] The preferred implementation manners of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these implementation manners are only used to explain the technical principle of the present invention and are not intended to limit the protection scope of the present invention.

[0058] See Figures 1 to 12 , an embodiment of the present invention provides a bearing roller ball base surface zoning grinding device, which includes:

[0059] A frame (not shown in the figure);

[0060] A revolution mechanism 200, the revolution mechanism includes a revolution turntable 210 and a first power assembly 220 that drives the revolution turntable to be rotatably installed on the frame. At least two receiving grooves 211 are provided on the revolution turntable. The openings of the at least two receiving grooves face away from the axis of the revolution turntable. The at least two receiving grooves are evenly arranged on the circumference of the axis of the revolution turntable. The depth of the receiving groove is greater than the height of the bearing roller;

[0061] A rotation mechanism 300, the rotation mechanism includes a rotation turntable 310 and a second power assembly 320 that drives the rotation turntable to be reversely rotatable relative to the revolution turntable and is installed on the frame. The rotation turntable is coaxial with the revolution turntable, and the rotation turntable is located below the revolution turntable. The distance between the rotation turntable and the revolution turntable is less than the small end radius of the bearing roller;

[0062] A feeding mechanism 400, installed on the frame and located outside the revolution turntable;

[0063] A grinding wheel 500, rotatably installed on the frame under the drive of a third power assembly. The outer edge of the grinding wheel is a grinding area with an inner spherical surface shape. The opening of the grinding area faces the revolution turntable, and the axis of the grinding wheel and the center of the end of the bearing roller carried on the rotation turntable are located in the same plane. The grinding area includes a first grinding area 510, a second grinding area 520, and a third grinding area 530 arranged in sequence along the rotation direction of the revolution turntable. The mesh numbers of the grinding particles in the first grinding area, the second grinding area, and the third grinding area decrease in sequence.

[0064] The bearing rollers are fed into the receiving grooves of the male turntable one by one through a feeding mechanism. Driven by the first power assembly, the male turntable rotates to drive the bearing rollers to rotate integrally around the axis of the male turntable.

[0065] Driven by the second power assembly, the female turntable rotates in the opposite direction relative to the male turntable. The bearing rollers rotate self-driven by the frictional force of the female turntable on them. The rotation direction is that the upper side rotates backward (the rotation direction of the male turntable is forward, and backward is opposite to forward). Before the rotation speed reaches the sliding of the bearing rollers relative to the female turntable, the self-rotation speed of the bearing rollers is equal to the sum of the linear speeds of the male turntable and the female turntable. That is, when the rotation speeds of the male turntable and the female turntable are not large, a relatively large self-rotation speed of the bearing rollers can be obtained. As a result, the bearing rollers can rotate more circles per unit time, so that the grinding amount per rotation is reduced on the premise of the same grinding amount, avoiding uneven grinding caused by too large grinding amount per rotation, thus ensuring a small R-angle deviation and high dimensional stability of the spherical base surface 910.

[0066] While revolving with the male turntable and rotating self-driven with the female turntable, the bearing rollers are affected by centrifugal force. Under the action of this centrifugal force, the bearing rollers are pressed against the grinding area, so as to carry out grinding. That is, as long as the rotation speed of the male turntable and the rotation speed of the female turntable are adjusted, the magnitude of the centrifugal force received by the bearing rollers can be adjusted. This centrifugal force is equal to the pressure between the bearing rollers and the grinding area. That is to say, the pressure pressing the bearing rollers against the grinding area can be adjusted, so as to adjust the grinding amount, that is, to adjust the magnitude of the central angle corresponding to the R-angle of the spherical base surface. That is to say, the arc length of the R-angle of the spherical base surface is adjusted. This adjustment method is precise, and it is not affected by the machining and assembly accuracy of parts, further improving the dimensional stability of the R-angle of the spherical base surface and avoiding the problems of long response time and large influence by the machining and assembly accuracy of parts caused by adjusting by clamping with a fixture and relying on the pressure sensor and the stroke of the fixture.

[0067] The number of receiving grooves on the male turntable can be flexibly set according to the actual situation, so as to ensure the continuity of the grinding operation. And as long as the machining accuracy and assembly accuracy of the male turntable are ensured, the R-angle of the spherical base surface can have high dimensional stability and is easy to control.

[0068] The mesh number of the grinding particles in the grinding area decreases successively along the rotation direction of the male turntable, so that the grinding amount decreases successively on the premise that the pressure between the bearing rollers and the grinding area remains unchanged (as described above, this pressure is related to the rotation speeds of the male turntable and the female turntable), thus further ensuring the machining accuracy.

[0069] It should be noted that the feeding mechanism includes a feeding pipe 410, a medium tank 420, a medium pipe 430 and a medium pump 440, where:

[0070] The feeding pipe is a flexible pipe. The feeding port of the feeding pipe is connected to the vibrating bowl, and the discharging port of the feeding pipe is adjacent to any one of the accommodating grooves;

[0071] The medium tank is connected to the feeding pipe through the medium pipe. The medium pipe is close to the feeding port, and the included angle between the extending direction of the medium pipe and the direction in which the bearing rollers are conveyed in the feeding pipe is the feeding power angle 431. The feeding power angle is an acute angle. The medium pump is installed on the medium pipe.

[0072] Under the power of the medium pump, the liquid medium in the medium tank (which can be water or an oily fluid. This oily fluid plays a lubricating role in the conveyance of the bearing rollers in the feeding pipe, making the conveyance of the bearing rollers smoother) enters the feeding pipe from the medium pipe and flows towards the discharging port of the feeding pipe. The acute feeding power angle enables the bearing rollers to be conveyed unidirectionally along the direction from the feeding port of the feeding pipe to the discharging port of the feeding pipe. And the pushing effect of the liquid medium on the bearing rollers enables the bearing rollers to be smoothly conveyed to the accommodating groove. Then, due to the blockage of the accommodating groove, most of the liquid medium flows down from the accommodating groove and the bearing rollers, and the bearing rollers are ground. A small amount of the liquid medium still adheres to the bearing rollers and the accommodating groove, greatly reducing the friction between the bearing rollers and the accommodating groove and the friction between the bearing rollers and the self-rotating disk below them, and also reducing the heat generated by the friction of the bearing rollers. That is, it cools down the heat generated by the bearing friction, avoiding or at least reducing the situation where the bearing rollers are stuck in the accommodating groove due to an uncertain attitude (the included angle between its axis and the radial direction of the common rotating disk) and further ensuring the accuracy of the bearing roller size processing.

[0073] In addition, the feeding mechanism further includes a solenoid valve 450 and a pressure relief pipe 460, where:

[0074] The solenoid valve is installed at the discharging port of the feeding pipe. A timer is integrated on the solenoid valve, and the solenoid valve is linked with the medium pump; the first end of the pressure relief pipe is connected to the feeding pipe. A material blocking component with a through hole inside is fixed at the first end of the pressure relief pipe or the inner diameter of the first end of the pressure relief pipe is smaller than the small end diameter of the bearing roller, and the second end of the pressure relief pipe is connected to the medium tank.

[0075] By setting the electromagnetic valve, the time for the two bearing rollers to be sent out from the feeding pipe in succession can be controlled, which is convenient for accurate control and adjustment of the above time, so that the bearing rollers can be accurately sent into the receiving grooves during the rotation of the revolution plate, avoiding the collision of the sent bearing rollers with the fins 212 between the two adjacent receiving grooves. In addition, when the electromagnetic valve is closed, the medium pump can continue to work without stopping, pumping the medium into the feeding pipe, avoiding the vibration caused by the frequent start and stop of the medium pump, and when the revolution plate rotates faster and the distance between the two receiving grooves is smaller, the start and stop cycle of the medium pump is particularly short, resulting in the inability to start and stop (it needs to be started again before it is completely stopped). After the electromagnetic valve of this embodiment is closed, the medium pump can continue to work, and the excessive medium pumped in can flow out from the pressure relief pipe and flow into the medium box for standby, avoiding the waste of medium and pollution of the on-site environment.

[0076] Furthermore, the pressure relief pipe is arranged above the feeding pipe, and the angle between the extension direction of the first end of the pressure relief pipe and the direction in which the bearing roller is conveyed in the feeding pipe is a pressure relief angle 461, and the pressure relief angle is greater than 90°. The angle setting of the pressure relief angle can ensure that the excess medium flows out smoothly after the solenoid valve is closed.

[0077] A specific embodiment of the first power assembly is as follows: it comprises a first power unit 221 and a rotating shaft 222 which are sequentially connected in transmission, the rotating shaft is rotatably mounted on the frame, and the power output end of the rotating shaft is coaxially fixedly connected with the public rotating disk;

[0078] A specific embodiment of the second power assembly is as follows: it comprises a second power unit 321 and a rotating cylinder 322 which are sequentially connected in transmission, the rotating cylinder is fitted outside the rotating shaft, and the power output end of the rotating cylinder is coaxially fixedly connected with the rotating disk;

[0079] A first tapered roller bearing 223 is installed between the rotating shaft and the rotating cylinder. The existence of the first tapered roller bearing supports the rotation of the rotating shaft and the rotating cylinder in the radial direction, avoiding excessive lateral swing amplitude of the middle part caused by the rotating shaft and the rotating cylinder being too long, and can withstand the shear stress generated by the axial relative displacement between the rotating shaft and the rotating cylinder in the axial direction, share the shear stress of the vertically arranged rotating shaft and the rotating cylinder in the vertical direction, improve the rotation stability, and extend the service life;

[0080] The exterior of the rotating cylinder is sleeved with a fixed cylinder 610, a second tapered roller bearing 323 is installed between the rotating cylinder and the fixed cylinder, the fixed cylinder is fixed to the frame, and the rotating cylinder and the rotating shaft are covered inside by the fixed cylinder to prevent surrounding workers and other foreign objects from touching the rotating cylinder and the rotating shaft, thereby ensuring operational safety.

[0081] It should be further noted that both the first power unit and the second power unit can adopt servo motors. A first driving gear 230 is coaxially fixed on the power output shaft of the first power unit, and a second driving gear 330 is coaxially fixed on the power output shaft of the second power unit. The first driving gear meshes with a first driven gear 240 fixed on the rotating shaft, and the second driving gear meshes with a second driven gear 340 fixed on the rotating cylinder. And, as can be seen from the above, the rotation speed of the male turntable is less than that of the female turntable. Therefore, when the first power unit and the second power unit adopt servo motors of the same model, the transmission ratio of the first driving gear to the first driven gear should be less than the transmission ratio of the second driving gear to the second driven gear.

[0082] With the above structure of the embodiment of the present invention combined with a controller and sensors, automatic control can also be achieved. The control ends of the first power assembly, the second power assembly, the third power assembly and the feeding mechanism are all in signal connection with the controller;

[0083] The sensor includes a material jamming detection unit 620 (which can be an infrared switch or an ultrasonic rangefinder, etc.) in signal connection with the controller. The material jamming detection unit is fixed on the frame and is used to detect the bearing rollers that cannot bounce upward synchronously with the male turntable.

[0084] When the material jamming detection unit detects an upward-bouncing bearing roller, it sends a material jamming signal to the controller. After receiving the material jamming signal, the controller sends a stop signal to the control ends of the first power assembly, the second power assembly and the third power assembly. The first power assembly and the second power assembly stop, and the male turntable, the female turntable and the grinding wheel all stop rotating, avoiding the phenomenon of jamming the bearing rollers, which may cause excessive grinding and damage to the first power assembly, the second power assembly and the third power assembly due to excessive instantaneous load. Of course, in this scenario, the controller can also send a stop signal to the control end of the feeding mechanism to stop feeding.

[0085] In addition, the male turntable is adjacent to the female turntable. The accommodating groove is open at the top (as shown in the figure) or provided with a shielding portion having an inner cylindrical surface (as shown in the figure). The structure with the accommodating groove open at the top enables the bearing rollers to be only restricted by the side wall of the accommodating groove and the bottom female turntable, without upper restraint, and has a high degree of freedom of movement, that is, it can move upward by a certain stroke. The setting of this structure can relieve the jamming phenomenon of the bearing rollers to a certain extent, thereby improving the operation stability of the embodiment of the present invention.

[0086] The inventor found that the bearing rollers fall into the receiving groove immediately after coming out of the discharge port of the feeding pipe. Although the bearing rollers are subject to centrifugal force in this short period of time, they have inertia after coming out of the feeding pipe and are not yet ejected from the top of the receiving groove (the opening facing away from the axis of the common turntable). However, as the common turntable continues to rotate, the bearing rollers collide with the bottom wall of the receiving groove and their inertia disappears, and they are gradually thrown outwards. Therefore, in order to prevent the bearing rollers that have not yet contacted the grinding wheel from being thrown out, the feeding pipe is arranged adjacent to the feeding side of the grinding wheel, but there is a problem that it is not easy to install and disassemble the feeding pipe due to too small a gap, and the feeding pipe may rub against the grinding wheel due to insecure fixation, resulting in damage to the feeding pipe, thus affecting the normal transportation of the bearing rollers. Based on the above considerations, the embodiment of the present invention may further include a baffle plate 700. The baffle plate is an arc-shaped thin plate with an axis coinciding with that of the common turntable. The first end of the baffle plate is adjacent to the feeding side of the grinding wheel, and the second end of the baffle plate extends along the rotation direction of the self-rotating turntable. The central angle formed by the arc along which the baffle plate extends is not greater than 90°;

[0087] A plurality of groups of guide rollers 710 are rotatably installed on the side of the baffle plate facing the common turntable. The bearing rollers are pressed against the baffle plate by centrifugal force. Through the arrangement of the guide rollers, the sliding friction force between the bearing rollers and the baffle plate is changed into rolling friction force, thereby preventing the jamming phenomenon caused by too large a friction force between the bearing rollers and the baffle plate, and further improving the smooth transportation of the bearing rollers.

[0088] In addition, a leveling inclined surface 311 having the same slope as the bearing rollers is formed at the position of the self-rotating turntable corresponding to the receiving groove. That is, when the tapered bearing rollers 900 are placed on the leveling inclined surface, their axes can be kept horizontal. The setting of this structure can ensure that the lengths of the spherical base surfaces on the end face and the side face of the tapered roller bearing are equal, and ensure that the spherical base surfaces can be tangent to the end face and the side face at the same time.

[0089] In addition, a material receiving mechanism 800 is further included, and the material receiving mechanism includes a receiving tray 810, a receiving pipe (not shown in the figure) and a receiving container 820, wherein:

[0090] The receiving tray is a thin plate extending along an arc. The first end of the receiving tray is adjacent to the common turntable and is located on the discharge side of the grinding wheel. The second end of the receiving tray extends in a direction away from the grinding wheel. A discharge port 811 is provided at the outer edge of the receiving tray. The first end of the receiving pipe is connected to the discharge port, and the second end of the receiving pipe communicates with the receiving container;

[0091] The height of the material receiving tray gradually decreases in the direction close to the discharge port, and the height of the material receiving pipe gradually decreases from the first end of the material receiving pipe to the second end of the material receiving pipe. With this structure, after the bearing rollers rotate to the discharge side away from the grinding wheel, they can be smoothly thrown out of the accommodation groove under the action of centrifugal force and then enter the material receiving tray. Due to the height setting of the bottom of the material receiving tray, the bearing rollers can automatically roll towards the discharge port and then enter the material receiving container. Of course, a material receiving pipe can also be connected between the discharge port and the material receiving container. To ensure that the bearing rollers can freely roll towards the material receiving container under their own weight in the material receiving pipe, the height of the material receiving pipe gradually decreases from the material receiving tray to the material receiving container, and there is no turning phenomenon in the material receiving pipe, or even if there is a turn, the radius of the turning point should be relatively large so as not to cause the bearing rollers to be stuck in the material receiving pipe.

[0092] It should be noted that in the description of the present invention, the terms indicating directions or positional relationships such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0093] In addition, it should also be noted that in the description of the present invention, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0094] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, so that a process, article, or device / equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent in these processes, articles, or devices / equipment.

[0095] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

1. A bearing roller ball base surface zoning grinding equipment, characterized in that, Comprising: Frame; Revolution mechanism, the revolution mechanism includes a revolving turntable and a first power assembly for rotatably mounting the revolving turntable on the frame. At least two receiving grooves are provided on the revolving turntable. The openings of the at least two receiving grooves face away from the axis of the revolving turntable. The at least two receiving grooves are evenly arranged on the periphery of the axis of the revolving turntable. The depth of the receiving groove is greater than the height of the bearing roller; Rotation mechanism, the rotation mechanism includes a rotating turntable and a second power assembly for reversibly rotatably mounting the rotating turntable relative to the revolving turntable on the frame. The rotating turntable is coaxial with the revolving turntable, and the rotating turntable is located below the revolving turntable. The distance between the rotating turntable and the revolving turntable is less than the small end radius of the bearing roller; Feeding mechanism, installed on the frame and located outside the revolving turntable; grinding wheel, rotatably mounted on the frame under the drive of a third power assembly. The outer edge of the grinding wheel is a grinding area with an inner spherical surface shape. The opening of the grinding area faces the revolving turntable and the axis of the grinding wheel and the center of the end of the bearing roller carried on the rotating turntable are located in the same plane. The grinding area includes a first grinding area, a second grinding area and a third grinding area arranged in sequence along the rotation direction of the revolving turntable. The mesh numbers of the grinding particles in the first grinding area, the second grinding area and the third grinding area decrease in sequence; The feeding mechanism includes a feeding pipe, a medium tank, a medium pipe and a medium pump, wherein: the feeding pipe is a flexible pipe, the feeding port of the feeding pipe is connected to the vibrating disk, and the discharging port of the feeding pipe is adjacent to any one of the receiving grooves; the medium tank is connected to the feeding pipe through the medium pipe. The medium pipe is close to the feeding port and the included angle between the extending direction of the medium pipe and the direction in which the bearing roller is conveyed in the feeding pipe is the feeding power included angle. The feeding power included angle is an acute angle. The medium pump is installed on the medium pipe; The feeding mechanism further includes a solenoid valve and a pressure relief pipe, wherein: the solenoid valve is installed at the discharging port of the feeding pipe, a timer is integrated on the solenoid valve, and the solenoid valve is linked with the medium pump; the first end of the pressure relief pipe is connected to the feeding pipe. A material blocking part with a through hole inside is fixed at the first end of the pressure relief pipe or the inner diameter of the first end of the pressure relief pipe is less than the small end diameter of the bearing roller. The second end of the pressure relief pipe is connected to the medium tank; Further included is a controller. The control ends of the first power assembly, the second power assembly, the third power assembly and the feeding mechanism are all signal-connected to the controller; Further included is a material jamming detection unit signal-connected to the controller. The material jamming detection unit is fixed on the frame for detecting bearing rollers that cannot bounce upward synchronously with the revolving turntable; The revolving turntable and the rotating turntable are adjacent. The upper part of the receiving groove is penetrated or provided with a shielding part having an inner cylindrical surface; A leveling inclined surface with the same slope as the bearing roller is formed at the position of the rotating turntable corresponding to the receiving groove.

2. The bearing roller ball base surface partition grinding equipment according to claim 1, characterized in that The pressure relief pipe is arranged above the feeding pipe, and the angle between the extension direction of the first end of the pressure relief pipe and the direction in which the bearing roller is transported in the feeding pipe is the pressure relief angle, and the pressure relief angle is greater than 90°.

3. The bearing roller ball base surface zoning grinding equipment according to claim 2, wherein The first power assembly includes a first power unit and a rotating shaft which are sequentially connected in transmission, the rotating shaft is rotatably mounted on the frame, and the power output end of the rotating shaft is coaxially and fixedly connected to the revolving disk; the second power assembly includes a second power unit and a rotating cylinder which are sequentially connected in transmission, the rotating cylinder is sleeved outside the rotating shaft, and the power output end of the rotating cylinder is coaxially and fixedly connected to the rotating disk; a first tapered roller bearing is installed between the rotating shaft and the rotating cylinder; a fixed cylinder is sleeved on the outside of the rotating cylinder, a second tapered roller bearing is installed between the rotating cylinder and the fixed cylinder, and the fixed cylinder is fixed to the frame.

4. The bearing roller ball base surface zoning grinding equipment according to claim 1, characterized in that It also includes a baffle plate, which is an arc-shaped thin plate whose axis coincides with the orbiting disk. The first end of the baffle plate is adjacent to the feeding side of the grinding wheel, and the second end of the baffle plate extends along the rotation direction of the rotating disk. The central angle of the arc line extended by the baffle plate is not greater than 90°; the baffle plate is rotatably installed with multiple sets of guide rollers on the side facing the orbiting disk.

5. The bearing roller ball base surface partition grinding equipment according to claim 1, characterized in that, It also includes a material receiving mechanism, which includes a material receiving plate, a material receiving pipe and a material receiving container, wherein: the material receiving plate is a thin plate extending along an arc, the first end of the material receiving plate is adjacent to the revolving plate and is located on the discharge side of the grinding wheel, the second end of the material receiving plate extends in a direction away from the grinding wheel, the outer edge of the material receiving plate is provided with a discharge port, the first end of the material receiving pipe is connected to the discharge port, and the second end of the material receiving pipe is connected to the material receiving container; the height of the material receiving plate gradually decreases in the direction approaching the discharge port, and the height of the material receiving pipe gradually decreases from the first end of the material receiving pipe to the second end of the material receiving pipe.

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