CN115365910A

CN115365910A - Polishing supporting device of turntable bearing and polishing system with polishing supporting device

Info

Publication number: CN115365910A
Application number: CN202211298561.5A
Authority: CN
Inventors: 王健; 赵婷婷; 林坤鹏; 鹿磊; 孙维铭; 任政汶
Original assignee: Yantai Xinhaoyang Bearing Co ltd
Current assignee: Yantai Xinhaoyang Bearing Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-11-22
Anticipated expiration: 2042-10-24
Also published as: CN115365910B

Abstract

The invention relates to a polishing support device of a turntable bearing and a polishing system with the polishing support device, and belongs to the technical field of polishing of turntable bearings. Carousel bearing's strutting arrangement that polishes includes the main workstation, still includes two support arms, fixed roller components and the portable roller components that are the V type setting, the main workstation sets up the holding end that is two support arms that the V type set up, two all install portable roller components on the support arm, portable roller components is in order to follow the mode that the extending direction of support arm removed is installed on the support arm, install the fixed roller components of a set of or multiunit on the main workstation. The polishing system of the turntable bearing comprises a fence, wherein a polishing robot, a tool magazine and a dust removal device are arranged in the fence, and the polishing system further comprises a polishing support device of the turntable bearing. The polishing support device for the turntable bearing can be suitable for polishing bearings with various specifications, and can rotate, clamp and fix the turntable bearing to be polished.

Description

Polishing supporting device of turntable bearing and polishing system with polishing supporting device

Technical Field

The invention relates to a polishing support device of a turntable bearing and a polishing system with the polishing support device, and belongs to the technical field of polishing of turntable bearings.

Background

Before the bearing is assembled, grinding and trimming are needed at specific positions to enable the bearing to have certain allowance, and deformation or peeling of the bearing after load bearing is prevented.

At present, two modes of manual polishing and semi-automatic polishing are mainly adopted for polishing the bearing, the two modes have great limitations, and the manual polishing mode has the disadvantages of high working strength of workers, low production efficiency and great experience dependence; dust, noise and vibration can be generated by the polishing machine, the dust generated by polishing cannot be collected, the working environment is polluted, and the human body is injured due to improper long-term operation and protection; when polishing, workers need to wear labor protection to ensure personal safety, and the workers cannot flexibly operate after wearing the labor protection, so that the operation is greatly limited; in order to ensure the polishing quality, people need to visually observe in due time, and the polishing process needs to overturn the product, so that the polishing efficiency is severely restricted. A semi-automatic polishing mode is adopted, and special maintenance personnel are still required to be equipped for manual intervention and monitoring; the semi-automatic polishing equipment needs to be designed for specific models of products, and a plurality of semi-automatic polishing equipment needs to be arranged on the common site in order to meet the production needs of different models of products; the equipment does not have a tool magazine, time is consumed for manual tool changing, the operation cannot be found and stopped in time when abnormality occurs, and quality problems are easy to occur.

The application number is 202010838102.6's chinese invention patent discloses a soft area polisher of gyration support, including rail and polishing robot, still include support frame one top is provided with the locating piece, the locating piece has two sets ofly, support frame one side symmetry is provided with support frame two, be provided with support frame three between the support frame two, support frame one, support frame two and support frame three support big ring gear or little ring gear of placing above that, little ring gear and locating piece meshing, little ring gear is through rotating with the locating piece meshing, satisfies the location when polishing, and the tool setting appearance of being convenient for on the polishing robot finds the position of polishing of little ring gear. The defect is that the small gear ring can only be fixed by the meshing action of the positioning block and the small gear ring during polishing, and the small gear ring is unstable during polishing due to the polishing angle or the polishing force, so that the machining error of the turntable bearing is increased by a robot, and the positioning block causes the problems of abrasion and the like to the small gear ring.

Disclosure of Invention

The present invention aims to provide a new technical solution to improve or solve the technical problems in the prior art as described above.

The technical scheme provided by the invention is as follows: the utility model provides a carousel bearing's strutting arrangement that polishes, includes the main workstation, still includes two support arms, fixed roller components and the portable roller components that are the V type setting, the main workstation sets up the binding off end at two support arms that are the V type setting, two all install portable roller components on the support arm, portable roller components is in order to follow the mode that the extending direction of support arm removed is installed on the support arm, install the fixed roller components of a set of or multiunit on the main workstation.

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: the polishing support device for the turntable bearing is provided with two support arms which are arranged in a V shape and used for bearing the weight of the turntable bearing, each support arm is provided with a movable roller assembly, the polishing support device can be suitable for polishing bearings of various specifications by adjusting the positions of the movable roller assemblies on the support arms, the universality is good, and the turntable bearing to be polished can be rotated, clamped and fixed through the fixed roller assemblies and the movable roller assemblies.

On the basis of the technical scheme, the invention can be further improved as follows.

And further, the two support arms are respectively provided with a screw nut mechanism, and the movable roller assembly is arranged on the support arms through the screw nut mechanisms.

The movable roller assembly can reciprocate along the extending direction of the supporting arm through the lead screw nut mechanism, and support of turntable bearings of different models, different specifications and different polishing requirements is achieved.

Furthermore, fixed roller subassembly is including setting up first cylinder, first locating column and the pneumatic cylinder on the main work platform, first locating column is located on the flexible route of the ejector pin of pneumatic cylinder, first cylinder can be rotatory around self axis.

The beneficial effect who adopts above-mentioned further scheme is that, first cylinder can drive the carousel bearing of installing above that rotatory, and when setting up the carousel bearing when the support arm top, the ejector pin of first reference column and pneumatic cylinder is located respectively carousel bearing's inboard and outside, presss from both sides tightly fixedly to the carousel bearing after starting the pneumatic cylinder.

Furthermore, an arc-shaped sliding groove is formed in the main workbench, and the installation angle of the first roller on the main workbench can be adjusted along the arc-shaped sliding groove.

The beneficial effect of adopting above-mentioned further scheme is that when installing the carousel bearing that will wait to polish above first cylinder, the axis of first cylinder is in the footpath of carousel bearing.

Further, the first roller is connected with an output shaft of a roller driving motor, and the roller driving motor can drive the first roller to rotate.

Furthermore, portable roller components includes the roating seat, be equipped with second reference column and second cylinder on the roating seat.

The beneficial effects who adopts above-mentioned further scheme are that, the second cylinder can be treated the carousel bearing of polishing and play the supporting role to when treating the carousel bearing of polishing rotation adjustment on the support arm and polish the position, the second cylinder can be rotatory around self axis, reduce and treat the frictional force between the carousel bearing of polishing.

Further, the movable roller assembly further comprises a movable seat, the movable seat is mounted on the nut pair of the screw-nut mechanism, and the rotary seat is rotatably mounted on the movable seat.

The beneficial effect who adopts above-mentioned further scheme is, can be according to the size adjustment support angle of the carousel bearing who treats polishing.

The polishing system for the turntable bearing comprises a fence, wherein a polishing robot, a tool magazine and a dust removal device are arranged in the fence, and the polishing system further comprises a polishing support device for the turntable bearing.

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: the polishing system of the turntable bearing can realize a full-automatic polishing mode of the turntable bearing, can replace the traditional manual polishing mode and the semi-automatic polishing mode, saves manpower, improves the polishing work efficiency and improves the polishing precision of workpieces; the system is also provided with a dust removal device, dust generated in the polishing process can be automatically collected, and environmental pollution is avoided.

Furthermore, a polishing head is arranged on the polishing robot.

Furthermore, the polishing robot is further provided with a force position compensator, one end of the force position compensator is provided with a polishing head, and the other end of the force position compensator is connected with the polishing robot.

The robot has the advantages that the force position compensator is additionally arranged between the robot wrist and the polishing head, the automation problems of contact surface sensitive characteristic process and rapid contact movement are solved, the polishing head and a workpiece do not generate rigid collision in a flexible contact mode, the quality of the workpiece is guaranteed, the contact force and the polishing force are guaranteed to be constant to a great extent, the polishing consistency is good, the end tool can be subjected to gravity compensation according to working requirements, the contact force parallel to the axial direction of the mechanical arm can be accurately output, meanwhile, the contact surface outline can be identified, self-adaptive stretching is carried out according to the trend of the contact surface, and the polishing quality is guaranteed.

Further, the hydraulic station is further included and used for driving the hydraulic cylinder.

Drawings

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

FIG. 2 is a schematic view of a slew bearing mounted on the present invention;

in the figure, 1, a main worktable; 2. a support arm; 3. a fixed roller assembly; 301. an arc-shaped chute; 302. a first drum; 303. a first positioning post; 304. a hydraulic cylinder; 3041. a top rod; 4. a movable roller assembly; 401. a rotating base; 402. a movable seat; 403. a second positioning column; 404. a second drum; 501. a lead screw; 502. a lead screw motor; 6. a fence; 7. polishing the robot; 8. a tool magazine; 9. a dust removal device; 10. a hydraulic station; 11. a turntable bearing; 12. an equipment control cabinet; 13. robot control cabinet.

Detailed Description

The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.

As shown in fig. 1 and fig. 2, a grinding support device for a turntable bearing, including a main workbench 1, further includes two support arms 2, fixed roller assemblies 3 and movable roller assemblies 4 that are V-shaped settings, the main workbench is disposed at the terminating ends of the two support arms 2 that are V-shaped settings, two movable roller assemblies 4 are all installed on the support arms 2, the movable roller assemblies 4 are installed in a manner that the extending direction of the support arms 2 can be moved on the support arms 2, and one or more groups of fixed roller assemblies 3 are installed on the main workbench 1. In this embodiment, two fixed roller assemblies 3 are mounted on the main table 1.

The grinding support device of the turntable bearing of the invention is provided with two support arms 2 which are arranged in a V shape and are used for bearing the weight of the turntable bearing 11, the two support arms 2 are connected through a connecting rod, and in the embodiment, the included angle between the two support arms 2 is an acute angle, preferably 70 degrees. All set up portable roller components 4 on every support arm 2, through the position of adjustment portable roller components 4 on support arm 2, can adapt to the polishing of the carousel bearing 11 of different models, different specifications and different requirements of polishing, the commonality is good to can treat the carousel bearing 11 of polishing through fixed roller components 3 and portable roller components 4 and rotate and press from both sides tight fixedly.

More specifically, two all be equipped with lead screw nut mechanism on the support arm 2, portable wheel components 4 pass through lead screw nut mechanism installs on support arm 2. The movable roller component 4 can reciprocate along the extending direction of the supporting arm 2 through the screw and nut mechanism, and the supporting of the turntable bearing 11 with different models, specifications and different grinding requirements is realized. More specifically, the screw-nut mechanism includes a screw 501, a nut pair, and a screw motor 502, and the screw motor 502 drives the screw 501 to rotate, so that the nut pair on the screw 501 can move along the screw 501.

The fixed roller assembly 3 comprises a first roller 302, a first positioning column 303 and a hydraulic cylinder 304, wherein the first roller 302, the first positioning column 303 and the hydraulic cylinder 304 are arranged on the main workbench 1, the first positioning column 303 is positioned on a telescopic path of a top rod 3041 of the hydraulic cylinder 304, and the first roller 302 can rotate around an axis thereof. The first drum 302 is connected to an output shaft of a drum driving motor, which can drive the first drum 302 to rotate, and the drum driving motor belongs to the prior art and is not shown in the drawings. The first roller 302 can drive the turntable bearing 11 mounted thereon to rotate, when the turntable bearing 11 is disposed above the supporting arm 2, the heads of the first positioning column 303 and the top rod 3041 are respectively located at the inner side and the outer side of the turntable bearing 11, and after the hydraulic cylinder 304 is started, the top rod 3041 moves and clamps the turntable bearing 11 between the heads of the first positioning column 303 and the top rod 3041. The main worktable 1 is provided with an arc-shaped chute 301, the installation angle of the first roller 302 on the main worktable 1 can be adjusted along the arc-shaped chute 301, when the turntable bearing 11 to be polished is installed above the first roller 302, the axial line of the first roller 302 is adjusted to the position where the axial line of the first roller 302 is overlapped with the radial direction of the turntable bearing 11, and the turntable bearing 11 can be ensured not to deviate in the rotating process.

The movable roller assembly 4 comprises a rotary base 401, and a second positioning column 403 and a second roller 404 are arranged on the rotary base 401. The movable roller assembly 4 further includes a movable base 402, the movable base 402 is mounted on the nut pair of the screw-nut mechanism, and the rotary base 401 is rotatably mounted on the movable base 402. The second roller 404 can support the turntable bearing 11 to be ground, and when the turntable bearing 11 to be ground is rotated on the support arm 2 to adjust the grinding position, the second roller 404 can rotate around the axis thereof, so that the friction force between the second roller and the turntable bearing 11 to be ground is reduced. In addition, the rotating base 401 can rotate on the moving base 402, so that the supporting angle can be adjusted according to the size of the turntable bearing 11 to be ground, the axis of the second drum 404 generally needs to be adjusted to a position where the radial directions of the turntable bearing 11 are overlapped, and the turntable bearing 11 can be ensured not to deviate in the rotating process.

When polishing, the turntable bearing 11 to be polished is placed on the fixed roller assembly 3 and the movable roller assembly 4, the roller driving motor of the first roller 302 is started, the first roller 302 can drive the turntable bearing 11 mounted thereon to rotate, so that the region of the turntable bearing 11 to be polished is aligned with the polishing robot 7, the hydraulic cylinder 304 of the fixed roller assembly 3 is started, the turntable bearing 11 is clamped by the first positioning column 303 and the ejector rod 3041 of the hydraulic cylinder 304, and the first positioning column 303 and the hydraulic cylinder 304 jointly act to fix the turntable bearing 11.

The utility model provides a system of polishing of carousel bearing 11, includes rail 6, be equipped with polishing robot 7, tool magazine 8 and dust collector 9 in the rail 6, still include carousel bearing 11's strutting arrangement that polishes. And a polishing head is arranged on the polishing robot 7.

The polishing robot 7 is further provided with a force position compensator, one end of the force position compensator is provided with a polishing head, and the other end of the force position compensator is connected with the polishing robot 7. The force position compensator is additionally arranged between the robot wrist and the polishing head, so that the automation problems of contact surface sensitive characteristic process and rapid contact movement are solved, the polishing head and a workpiece are prevented from generating rigid collision, the quality of the workpiece is ensured, the contact force and the polishing force are ensured to be constant to a great extent, the polishing consistency is good, the gravity compensation can be carried out on a tail end tool according to the working requirement, the contact force parallel to the axial direction of the mechanical arm is accurately output, meanwhile, the contact surface contour can be identified, the self-adaptive expansion is carried out according to the trend, and the polishing quality is ensured. The grinding system of the slewing bearing 11 further comprises a hydraulic station 10, wherein the hydraulic station 10 is used for driving a hydraulic cylinder 304.

And an equipment control cabinet 12 and a robot control cabinet 13 are arranged outside the fence 6.

In the embodiment, the grinding robot 7 adopts a 6-axis joint arm motion system design and comprises a wrist part, a small arm, a large arm, a balance weight, a turntable, a base, electrical equipment and the like. The wrist part of the robot is designed into 3 shafts, and the angle can be changed randomly in space. The small arm and the large arm are provided with positive and negative driving-over prevention devices to limit the maximum swing angle, meanwhile, a closed hydraulic starting system is designed, the closed hydraulic starting system comprises a pressure accumulator, a hydraulic cylinder 304, a pressure gauge and a safety element rupture disc, and when the robot works and stops, a balance weight is controlled to reduce the torque on the large arm shaft, so that the working safety is ensured.

The robot electrical equipment integrates all cables through an industrial bus, and the interface adopts a plug structure, so that the maintenance and the quick replacement are convenient. Receiving an external command and transmitting the external command to the end grinding head assembly. When the polishing operation is started, firstly, a coordinate system of each joint and a terminal polishing mechanism of the robot is established, the position, the posture and the coordinate transformation of the robot are described, a mathematical model of the industrial robot is established through the kinematic analysis and the dynamic analysis of the industrial robot, and the motion equation of the industrial robot is solved.

The system is provided with an independent tool magazine 8, is provided with polishing heads with different particle sizes or profiles, and can be expanded according to requirements.

The dust removal device 9 is an industrial dust collector adopting high-power pulse back flushing, a dust suction port is moved to the position below a polishing position before polishing, polishing dust can be collected in time, and the environment is prevented from being polluted by polishing work.

The equipment is electrically controlled by a PLC (programmable logic controller), program input and modification are completed by a touch screen, processing parameters can be respectively set for different types of products, and corresponding programs are called during production.

When polishing operation is carried out, a polishing program is selected and determined according to the actual product model, and the equipment automatically completes tool changing and tool setting. Before polishing, the size of a part to be polished of the bearing is detected by using a displacement sensor, and then a program is operated to finish polishing operation according to preset steps and parameters. After polishing, the size of the polishing part is detected by using a displacement sensor, so that the product requirement is met.

The polishing system of the turntable bearing realizes the all-dimensional polishing of the complex curved surface through the synergistic effect of a plurality of mechanisms, and improves the polishing precision and speed. And can realize the real time monitoring to the state of polishing, unusual automatic alarm reduces the quality loss, and personnel can carry out remote control, need not to stop at the operation scene. The automation degree of the equipment is high, the intelligent production is realized, and the personnel requirements are reduced. The cutter with the standard cutter handle is designed and equipped, automatic cutter changing, cutter setting, detection and polishing are achieved, and the cutter is convenient to work and high in efficiency.

The polishing system of the turntable bearing can realize a full-automatic polishing mode of the turntable bearing 11, can replace the traditional manual polishing mode and the semi-automatic polishing mode, saves manpower, improves the polishing working efficiency and improves the polishing precision of workpieces; the system is also provided with a dust removal device 9, dust generated in the polishing process can be automatically collected, and environmental pollution is avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a carousel bearing's strutting arrangement that polishes, includes primary operation platform (1), its characterized in that, still includes two support arms (2), fixed roller components (3) and portable roller components (4) that are the V type setting, the primary operation platform sets up the binding off end at two support arms (2) that are the V type setting, two all install portable roller components (4) on support arm (2), portable roller components (4) are in order to follow the mode that the extending direction of support arm (2) removed is installed on support arm (2), install fixed roller components (3) of a set of or multiunit on primary operation platform (1).

2. The grinding support device for turntable bearings according to claim 1, characterized in that both support arms (2) are provided with a lead screw nut mechanism, and the movable roller assembly (4) is mounted on the support arms (2) through the lead screw nut mechanism.

3. The grinding support device of a turntable bearing according to claim 1, characterized in that the stationary roller assembly (3) comprises a first roller (302) arranged on the main table (1), a first positioning column (303) and a hydraulic cylinder (304), the first positioning column (303) is located on a telescopic path of a top rod (3041) of the hydraulic cylinder (304), and the first roller (302) can rotate around its axis.

4. The grinding support device of the turntable bearing according to claim 3, characterized in that an arc-shaped chute (301) is arranged on the main worktable (1), and the installation angle of the first roller (302) on the main worktable (1) can be adjusted along the arc-shaped chute (301).

5. The grinding support device for slewing bearings according to claim 3 or 4, characterized in that the first drum (302) is connected to an output shaft of a drum drive motor, which is capable of rotating the first drum (302).

6. The grinding support device of a turntable bearing according to claim 2, characterized in that the movable roller assembly (4) comprises a rotary base (401), and a second positioning column (403) and a second roller (404) are arranged on the rotary base (401).

7. The grinding support device of a turntable bearing according to claim 6, characterized in that the movable roller assembly (4) further comprises a movable seat (402), the movable seat (402) is mounted on the nut pair of the screw-nut mechanism, and the rotary seat (401) is rotatably mounted on the movable seat (402).

8. A grinding system of a turntable bearing, comprising a fence (6), wherein a grinding robot (7), a tool magazine (8) and a dust removing device (9) are arranged in the fence (6), and characterized by further comprising a grinding support device of the turntable bearing according to any one of claims 1 to 7.

9. Grinding system of a slewing bearing according to claim 8, characterized in that the grinding robot (7) is provided with a grinding head.

10. The turntable bearing grinding system according to claim 9, wherein the grinding robot (7) is further provided with a force level compensator, one end of the force level compensator is provided with the grinding head, and the other end of the force level compensator is connected with the grinding robot (7).

11. The system of claim 8, further comprising a hydraulic station (10), the hydraulic station (10) being configured to drive a hydraulic cylinder (304) of the grinding support device of the slewing bearing.