CN114799974B

CN114799974B - Portable slewing bearing side spot facing work positioning mechanism

Info

Publication number: CN114799974B
Application number: CN202210732187.9A
Authority: CN
Inventors: 许正茂; 金开瑞
Original assignee: Xuzhou Wanda Slewing Bearing Co ltd
Current assignee: Xuzhou Wanda Slewing Bearing Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-23
Anticipated expiration: 2042-06-27
Also published as: CN114799974A

Abstract

The invention relates to the technical field of machining, and discloses a portable slewing bearing side hole machining positioning mechanism which comprises a workbench, wherein a slewing bearing is placed in the middle of the upper end of the workbench, a rubber roller is movably mounted at the lower end of the workbench, a driving assembly is arranged on the left side of the upper end of the workbench, a portable auxiliary mechanism is movably mounted at the upper end of the driving assembly, and a symmetrical positioning mechanism is movably mounted above the workbench. Through mutually supporting between sliding block and the location lug, when the sliding block rebound, the location lug can be to stretching out the outside of location spout under the effect of spring, the in-process that the location lug stretches out can produce certain pulling force to connecting the rope, only when the length that four location lugs stretch out is the same, the siren just can stop the sound production, guarantee with this that the locating piece just lies in slewing bearing's intermediate position, thereby reached and to a great extent guaranteed the symmetry and the effect of homogeneity of the mark of punching.

Description

Portable slewing bearing side spot facing work positioning mechanism

Technical Field

The invention relates to the technical field of machining, in particular to a portable slewing bearing side hole machining positioning mechanism.

Background

The slewing bearing, also called as a turntable bearing, is widely applied in the actual industry, is an important transmission part which is necessary for machinery which needs to do relative slewing motion between two objects and simultaneously bears axial force, radial force and tipping moment, the surface of the slewing bearing is often required to be drilled in the manufacturing process, and the whole quality of the slewing bearing can be directly influenced by the quality of the drilling process.

In the machining process of the slewing bearing, in order to improve the accuracy of punching operation as much as possible, people often mark the slewing bearing before punching, and then punch according to the position marked in advance, and the fact shows that the punching accuracy can be improved well; in the prior art, when punching marks are made on the surface of a slewing bearing in factories in poor regions, a manual measurement mode is mainly adopted, namely, workers use simple measurement tools to make marks on the surface of the slewing bearing, so that the processing efficiency is low, and the problems of large error and low quality are also caused; therefore, a large-scale machine capable of automatically marking the surface of the slewing bearing is introduced into some large-scale factories, so that the effects of improving the processing efficiency and the processing precision can be achieved, but the machine is expensive, complex in operation and inconvenient to move, and during use, workers are often required to carry the slewing bearing back and forth, which is not only inconvenient, but also causes the slewing bearing to be damaged in the back and forth carrying process, thereby causing unnecessary loss.

Therefore, the portable slewing bearing side hole machining and positioning mechanism is small in size, can be moved randomly according to needs, can be moved to the side of a slewing bearing to be used when in use, effectively avoids damage of the slewing bearing in the transferring process, can be used for punching and marking the surface of the slewing bearing through simple operation, is higher in machining efficiency compared with manual marking, is better in symmetry and uniformity of marked marks, and can well solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a portable slewing bearing side hole machining and positioning mechanism which is small in size and can be moved randomly according to needs, and the portable slewing bearing side hole machining and positioning mechanism can be moved to the side of a slewing bearing to be used when being used, so that the slewing bearing is effectively prevented from being damaged in the transferring process, in addition, the surface of the slewing bearing can be subjected to punching marking through simple operation, compared with manual marking, the portable slewing bearing side hole machining and positioning mechanism has the advantages of higher machining efficiency, better symmetry and uniformity of the marked marks, and the like, and solves the problems of low machining efficiency, inconvenience in operation and lower machining accuracy when the surface of the slewing bearing is subjected to punching marking at present.

(II) technical scheme

In order to realize the purposes that the movable plate can be moved freely according to needs and can be moved to the side of the slewing bearing for use when in use, thereby effectively avoiding the slewing bearing from being damaged in the transferring process, and in addition, the punching mark can be carried out on the surface of the slewing bearing through simple operation, the invention provides the following technical scheme: the utility model provides a portable slewing bearing side spot facing work positioning mechanism, includes the workstation, slewing bearing has been placed to the centre of workstation upper end, and the lower extreme movable mounting of workstation has the rubber gyro wheel, and the left side of workstation upper end is provided with drive assembly, and drive assembly's upper end movable mounting has portable complementary unit, and the top movable mounting of workstation has symmetrical formula positioning mechanism.

Preferably, portable complementary unit includes location lead screw, and the upper end fixed mounting of workstation has the installation base, and the upper end of installation base is provided with supplementary cavity, and the inside movable mounting of supplementary cavity has the subassembly of pressing, and the inside of drive assembly is provided with driving motor, and the lower extreme of location lead screw and driving motor's output fixed connection press the subassembly to comprise the piston of right-angle pole and right-angle pole lower extreme, and the outside of supplementary cavity is stretched out to the upper end of right-angle pole, and the surface of piston closely laminates with the inner wall of supplementary cavity.

Preferably, the right side of the lower end of the auxiliary cavity is movably provided with an air nozzle, the upper end of the inner cavity of the auxiliary cavity is fixedly provided with a buffer block, the left end of the air nozzle is communicated with the inside of the auxiliary cavity, and the buffer block is made of elastic materials.

Preferably, the lower extreme sealing type of supplementary cavity is connected with vertical pipeline, and the inside of workstation is vertical to be seted up and stops the spout, and the upper end of vertical pipeline and the inside switch-on of supplementary cavity, the lower extreme of vertical pipeline and the inside switch-on of stopping the spout in the braking, the spout is located the top of rubber roller in the braking.

Preferably, the inside sliding connection of stopping the spout stops clamping unit, and clamping unit includes clamping slide and clamping spring, and clamping slide's surface closely laminates with the inner wall of stopping the spout, and clamping spring is located between clamping slide's upper end and the stopping spout of stopping, and under initial condition, clamping slide is located the inside of stopping the spout under clamping spring's elastic force effect, and rubber gyro wheel can freely remove this moment.

Preferably, the symmetrical positioning mechanism comprises a movable arm, an installation support is movably installed at the upper end of the movable arm, a fixed tooth block is fixedly installed at the lower end of the movable arm, the lower end of the movable arm is in threaded connection with the upper end of the positioning screw rod, and the fixed tooth block is composed of a tooth table part at the upper end and a column part at the lower end. So that when the movable arm moves downwards under the action of the positioning screw rod, the mounting bracket and the fixed tooth block synchronously move downwards.

Preferably, the lower extreme fixed mounting of fixed tooth piece has the locating piece, and the lower extreme of locating piece is vertical to be seted up and to dodge the groove, and the inside sliding connection who dodges the groove has the sliding block, and the upper end swing joint of sliding block has the promotion spring, and the lower extreme of dodging the groove is opened, and the upper end of promotion spring and the inner wall fixed connection who dodges the groove promote the lower extreme and the sliding block fixed connection of spring, under the initial condition, the sliding block stretches out under the spring action that promotes the spring and dodges the outside in groove.

Preferably, the upper end movable mounting of sliding block has the interlock subassembly, the location spout has been seted up to the side of locating piece, the inside sliding connection of location spout has the location lug, the equal movable sleeve in both sides of installing support lower extreme is equipped with loose gear, the location spout is provided with four along the circumferencial direction array of locating piece, the interlock subassembly is including connecting rope and transition guide pulley, the one end of connecting the rope and the upper end fixed connection of sliding block, the other end of connecting the rope is walked around the transition guide pulley and with location lug fixed connection, loose gear's surface shape and the surface shape phase-match of fixed tooth piece upper end.

Preferably, the mark cavity has been seted up to the inside of installing support lower extreme, and the cistern that falls has been seted up to the lower extreme of mark cavity, and the inside sliding connection in cistern that falls has the mark subassembly, and the upper end in cistern and the inside switch-on of mark cavity, the mark subassembly includes plugging block, round bar and mark piece, and the plugging block is located the inside of mark cavity, and the mark piece is located the below in cistern that falls, through round bar fixed connection between plugging block and the mark piece, the round bar be located the inside in cistern that falls and with cistern sliding connection.

Preferably, the interior of the mark cavity is filled with liquid oily paint, so that after the blocking block removes the blocking on the lower end of the mark cavity, the oily paint in the mark cavity can fall into the mark block through the liquid dropping groove.

(III) advantageous effects

Compared with the prior art, the invention provides a portable slewing bearing side hole processing and positioning mechanism, which has the following beneficial effects:

1. this portable slewing bearing side spot facing work positioning mechanism, through pressing mutually supporting between subassembly and the clamping component, when pressing the subassembly vertical downstream under the effect of digging arm, can make inside gaseous some of supplementary cavity through the outside blowout of jet-propelled head, another part gets into the inside that the spout was stopped in the braking through vertical pipeline, thereby reached and punched before the mark processing automatically to the rubber gyro wheel lock, prevent that the workstation from taking place to rock and influence the effect of mark accuracy.

2. This portable slewing bearing side spot facing work positioning mechanism, through the mutually supporting between sliding block and the location lug, when the sliding block rebound, the location lug can be to stretching out the outside of location spout under the effect of spring, the in-process that the location lug stretches out can produce certain pulling force to connecting the rope, only when the length that four location lugs stretch out is the same, the siren just can stop the sound production, guarantee with this that the locating piece just lies in slewing bearing's intermediate position, thereby reached and to a great extent guaranteed the symmetry and the effect of homogeneity of the mark of punching.

3. The output of jet head is located slewing bearing's top and is close to each other between the two, so gaseous outside after spouting from the jet head can blow off slewing bearing surface's impurity to reached and to a great extent prevented that mark in-process impurity from dropping the inside of oil groove and leading to the impaired effect of slewing bearing.

4. The number symmetry such as mark subassembly sets up in the left and right sides of installing support, consequently, the staff presses once, alright leave two mutual symmetrical marks at slewing bearing's upper surface to both guaranteed the homogeneity and the symmetry of the mark of punching, and can practice thrift half process time, can improve the efficiency of processing at to a great extent.

5. When the mark piece contacted with slewing bearing, the shutoff piece can upwards move and remove the shutoff effect to the mark cavity under the effect of round bar, the mark piece breaks away from the back of contacting with slewing bearing, the mark subassembly can be immediately downstream under the elasticity combined action of self gravity and spring, afterwards, the shutoff effect to the mark cavity can be resumeed immediately to the shutoff piece, thereby realized keeping the quantity of mark piece inside coating certain throughout, both prevented that mark piece inside coating is too few and lead to the mark unclear, also prevented that mark piece inside coating is too much and lead to the fuzzy effect of mark.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention before operation;

FIG. 2 is a schematic sectional view of the overall structure of the present invention in operation;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the connection relationship between the positioning components of the present invention;

FIG. 6 is a simplified schematic diagram of a three-dimensional structure of a pivoting support;

FIG. 7 is a schematic diagram of the relationship between the internal structures of the present invention;

FIG. 8 is an enlarged view of the structure at C of FIG. 2 according to the present invention;

FIG. 9 is an enlarged view of the structure at D in FIG. 1 according to the present invention;

fig. 10 is a schematic view showing the mounting position of the internal parts according to the present invention.

In the figure: 1. a work table; 2. a slewing bearing; 3. a rubber roller; 4. a drive assembly; 5. a portable auxiliary mechanism; 6. a symmetrical positioning mechanism; 501. positioning a screw rod; 502. installing a base; 503. an auxiliary cavity; 504. a pressing assembly; 505. a gas showerhead; 506. a buffer block; 507. a vertical pipe; 508. a braking and stopping chute; 509. a clamping assembly; 601. a movable arm; 602. mounting a bracket; 603. fixing the tooth block; 604. positioning blocks; 605. an avoidance groove; 606. a slider; 607. a push spring; 608. a linkage assembly; 609. positioning the chute; 610. positioning the bump; 611. a movable gear; 612. marking the cavity; 613. a liquid dropping groove; 614. the component is marked.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, a portable slewing bearing side hole machining positioning mechanism comprises a workbench 1, a slewing bearing 2 is placed in the middle of the upper end of the workbench 1, a rubber roller 3 is movably mounted at the lower end of the workbench 1, a driving assembly 4 is arranged on the left side of the upper end of the workbench 1, a portable auxiliary mechanism 5 is movably mounted at the upper end of the driving assembly 4, a symmetrical positioning mechanism 6 is movably mounted above the workbench 1, the portable auxiliary mechanism 5 comprises a positioning screw rod 501, a driving motor is arranged inside the driving assembly 4, the lower end of the positioning screw rod 501 is fixedly connected with the output end of the driving motor, a mounting base 502 is fixedly mounted at the upper end of the workbench 1, an auxiliary cavity 503 is arranged at the upper end of the mounting base 502, a pressing assembly 504 is movably mounted inside the auxiliary cavity 503, the pressing assembly 504 consists of a right-angle rod and a piston at the lower end of the right-angle rod, the upper end of the right-angle rod extends out of the auxiliary cavity 503, the outer surface of the piston is tightly attached to the inner wall of the auxiliary cavity 503, so that when the right-angle rod moves downwards under the action of external force, the piston can slide downwards along the inner wall of the auxiliary cavity 503, the right side of the lower end of the auxiliary cavity 503 is movably provided with the air nozzle 505, the upper end of the inner cavity of the auxiliary cavity 503 is fixedly provided with the buffer block 506, the left end of the air nozzle 505 is communicated with the inner part of the auxiliary cavity 503, the buffer block 506 is made of elastic material, so that when the pressing component 504 moves vertically downwards, air can be blown outwards through the air nozzle 505, when the pressing component 504 moves upwards, the existence of the buffer block 506 can prevent the pressing component 504 from colliding with the inner cavity of the auxiliary cavity 503, the lower end of the auxiliary cavity 503 is hermetically connected with a vertical pipeline 507, a braking chute 508 is vertically arranged in the workbench 1, and the upper end of the vertical pipeline 507 is communicated with the inner part of the auxiliary cavity 503, the lower end of the vertical pipeline 507 is communicated with the inside of the braking chute 508, the braking chute 508 is positioned above the rubber roller 3, thus, when the pressing assembly 504 moves downwards, the air in the auxiliary cavity 503 can enter the interior of the brake sliding chute 508 through the vertical pipe 507, the interior of the brake sliding chute 508 is connected with the clamping assembly 509 in a sliding manner, the clamping assembly 509 comprises a clamping slider and a clamping spring, the outer surface of the clamping slider is tightly attached to the inner wall of the brake sliding chute 508, the clamping spring is located between the upper end of the clamping slider and the brake sliding chute 508, and in an initial state, the clamping slider is positioned inside the braking chute 508 under the action of the elastic force of the clamping spring, at this time, the rubber roller 3 can move freely, when the gas enters the interior of the brake chute 508 through the vertical duct 507, the clamping slider inside the clamping assembly 509 will move downwards under the thrust of the gas and come into contact with the rubber roller 3.

The working principle is as follows: the lower extreme of workstation 1 is provided with rubber gyro wheel 3, and under the initial condition, clamping component 509 is located the inside of stopping spout 508 in the braking, so rubber gyro wheel 3 can the free rotation this moment, and during operation, the staff promotes the device to the assigned position at first, and the slewing bearing 2 that will carry out the mark of punching afterwards places the top of workstation 1 again.

Subsequently, the worker turns on the power supply of the device, after the power supply is turned on, the movable arm 601 vertically moves downwards under the cooperation effect of the positioning screw rod 501, and since the upper end of the pressing assembly 504 is fixedly connected with the movable arm 601, the pressing assembly 504 can synchronously move downwards when the movable arm 601 moves downwards.

Since the piston at the lower end of the pressing member 504 is located inside the auxiliary cavity 503 and closely attached to the inner wall of the auxiliary cavity 503, when the pressing member 504 moves downward, a part of the gas inside the auxiliary cavity 503 is ejected outwards through the gas nozzle 505, and another part of the gas enters the inside of the vertical duct 507.

And the output end of the gas nozzle 505 is located above the slewing bearing 2 and the gas nozzle is close to the slewing bearing 2, so that impurities on the surface of the slewing bearing 2 can be removed after the gas is sprayed out of the gas nozzle 505, and the effect of preventing the impurities from falling into the oil groove to cause damage to the slewing bearing 2 in the marking process to a great extent is achieved.

Because the lower extreme of vertical pipeline 507 and the inside switch-on of stopping the spout 508, so the gas can enter into the inside of stopping the spout 508 through vertical pipeline 507, afterwards, the inside clamping slide of clamping assembly 509 can be vertical downward movement and fully contact with rubber roller 3 under the effect of gas pressure, and at this moment, the motion of rubber roller 3 will be restricted to realized carrying out the position to rubber roller 3 automatically at the in-process that the digging arm 601 moves down and limited, prevented in the course of working because workstation 1 removes and influence the effect of machining precision.

In addition, when the piston inside the pressing assembly 504 moves to the bottom end of the auxiliary cavity 503, the piston can seal the air inlet end of the air nozzle 505 and the upper end of the vertical pipe 507, so that the air inside the brake sliding chute 508 can not flow back to the inside of the auxiliary cavity 503 or leak out through the air nozzle 505 at the moment, only when the pressing assembly 504 moves upwards, the air inside the brake sliding chute 508 can enter the inside of the auxiliary cavity 503 again, and then the clamping assembly 509 can release the restriction on the rubber roller 3.

To sum up: the device is small in size, can be rapidly moved according to needs when in use, and compared with the prior art, workers do not need to carry the slewing bearing 2 everywhere, so that the effect of reducing the workload of the workers is achieved, and the effect of preventing the slewing bearing 2 from being damaged due to collision in the carrying process is also achieved; in addition, sundries on the surface of the slewing bearing 2 can be automatically removed before punching marks are formed, so that the effect of preventing the sundries from falling into an oil groove of the slewing bearing 2 in the machining process is achieved; and can be before punching the mark automatically with 3 locks of rubber gyro wheel, reached and prevented in the course of working because workstation 1 takes place to remove and influence the effect of punching the precision.

Example two:

referring to fig. 5-10, a portable slewing bearing side hole machining positioning mechanism comprises a workbench 1, a slewing bearing 2 is placed in the middle of the upper end of the workbench 1, a rubber roller 3 is movably mounted at the lower end of the workbench 1, a driving assembly 4 is arranged on the left side of the upper end of the workbench 1, a portable auxiliary mechanism 5 is movably mounted at the upper end of the driving assembly 4, a symmetrical positioning mechanism 6 is movably mounted above the workbench 1, the symmetrical positioning mechanism 6 comprises a movable arm 601, the lower end of the movable arm 601 is in threaded connection with the upper end of a positioning screw rod 501, a mounting bracket 602 is movably mounted at the upper end of the movable arm 601, a fixed tooth block 603 is movably mounted at the lower end of the mounting bracket 602, the fixed tooth block 603 consists of a tooth table part at the upper end and a columnar part at the lower end, so that when the movable arm 601 moves downwards under the action of the positioning screw rod 501, the mounting bracket 602 and the fixed tooth block 603 synchronously move downwards, the lower end of the fixed tooth block 603 is fixedly provided with a positioning block 604, the lower end of the positioning block 604 is vertically provided with an avoidance groove 605, the lower end of the avoidance groove 605 is open, the inside of the avoidance groove 605 is connected with a sliding block 606 in a sliding manner, the upper end of the sliding block 606 is movably connected with a push spring 607, the upper end of the push spring 607 is fixedly connected with the inner wall of the avoidance groove 605, the lower end of the push spring 607 is fixedly connected with the sliding block 606, in an initial state, the sliding block 606 extends out of the avoidance groove 605 under the elastic force action of the push spring 607, the upper end of the sliding block 606 is movably provided with a linkage component 608, the linkage component 608 comprises a connecting rope and transition guide wheels, one end of the connecting rope is fixedly connected with the upper end of the sliding block 606, the other end of the connecting rope bypasses the transition guide wheels and is fixedly connected with a positioning bump 610, the side surface of the positioning block 604 is provided with a positioning chute 609, and the positioning chute 609 is provided with four positioning chutes 609 along the circumferential direction of the positioning block 604, a positioning bump 610 is connected inside the positioning chute 609 in a sliding manner, movable gears 611 are movably sleeved on the left side and the right side of the lower end of the mounting bracket 602 respectively, the outer surface shape of each movable gear 611 is matched with the outer surface shape of the upper end of the corresponding fixed toothed block 603, in an initial state, the positioning bump 610 is positioned inside the positioning chute 609 under the action of the linkage assembly 608, when the sliding block 606 moves upwards, the positioning bump 610 can extend out of the positioning chute 609 under the action of the bottom spring, a marking cavity 612 is formed inside the lower end of the mounting bracket 602, a liquid dropping groove 613 is formed at the lower end of the marking cavity 612, the upper end of the liquid dropping groove 613 is communicated with the inside of the marking cavity 612, a marking assembly 614 is connected inside the liquid dropping groove 613 in a sliding manner, the marking assembly 614 comprises a sealing block, a round rod and a marking block, the sealing block is positioned inside the marking cavity 612, and the marking block is positioned below the liquid dropping groove 613, the blocking block is fixedly connected with the marking block through a round rod, the round rod is located inside the liquid dropping groove 613 and is in sliding connection with the liquid dropping groove 613, in an initial state, the blocking block inside the marking assembly 614 is in a state of blocking the lower end of the marking cavity 612, after the marking block is contacted with the slewing bearing 2, the blocking block can block the marking cavity 612, liquid oil paint is filled inside the marking cavity 612, and therefore after the blocking block blocks the lower end of the marking cavity 612, the oil paint inside the marking cavity 612 can fall into the marking block through the liquid dropping groove 613.

The working principle is as follows: when the movable arm 601 moves downwards, the mounting bracket 602 moves downwards synchronously, and since the slewing bearing 2 is located below the mounting bracket 602 and the two are arranged coaxially, when the mounting bracket 602 moves downwards, the positioning block 604 enters the inner annular surface of the slewing bearing 2.

In the initial state, the sliding block 606 extends out of the escape groove 605 under the elastic force of the pushing spring 607, meanwhile, the positioning protrusion 610 is located inside the positioning sliding groove 609 under the matching action of the connecting rope and the sliding block 606, the positioning block 604 continues to move downwards and enables the sliding block 606 to be in contact with the workbench 1, the sliding block 606 moves vertically upwards, after the sliding block 606 moves vertically upwards, the four positioning protrusions 610 simultaneously extend outwards under the action of the bottom spring, and then the positioning protrusions 610 are in contact with the inner annular surface of the pivoting support 2.

The slider 606 all can produce the pulling force to connecting the rope with the in-process of connecting the rope with the junction of connecting the rope, four locating protrusion 610 outwards extension, when four connecting the rope and to the pulling force that slider 606 produced different, it is inconsistent to explain four locating protrusion 610 stretched out length, locating piece 604 is not in slewing bearing 2's central point this moment promptly, force transducer just can send out the police dispatch newspaper afterwards, the staff hears just can adjust slewing bearing 2's position behind the police dispatch newspaper, thereby reached and to a great extent improved the effect of marking the accuracy of punching.

After the position of the positioning block 604 is determined, the movable gear 611 is rotated by the micro motor, and the micro motor can be intermittently operated according to a preset program, so that the movable gear 611 is intermittently rotated by the micro motor.

Because the movable gear 611 movably sleeves the lower end of the mounting bracket 602, and the movable gear 611 is engaged with the fixed toothed block 603 at this time, the lower end of the mounting bracket 602 makes a circular motion around the fixed toothed block 603 when the movable gear 611 rotates.

When loose gear 611 stopped rotating at every turn, the staff can press installing support 602 downwards, installing support 602 can make the lower extreme of mark subassembly 614 and slewing bearing 2's upper end contact during the downward movement, the mark can be made on slewing bearing 2's surface to the in-process of mark subassembly 614 and slewing bearing 2 contact, and the equal number symmetry setting of mark subassembly 614 is in the left and right sides of installing support 602, so once every time pressing, alright leave two symmetrical marks each other at slewing bearing 2's upper surface, thereby the homogeneity and the symmetry of the mark of punching have been guaranteed, and can practice thrift half process time, can improve the efficiency of processing at to a great extent.

In addition, in the initial state, the blocking block at the upper end of the marking assembly 614 is in a state of blocking the marking cavity 612, and when the marking block at the lower end of the marking assembly 614 is in contact with the slewing bearing 2, the blocking block can move upwards for a short distance under the cooperation of the round rod and the marking block, the blocking effect on the marking cavity 612 can be relieved after the blocking block moves upwards, and then the coating inside the marking cavity 612 can fall through the liquid falling groove 613 and finally fall into the marking block.

After the marking block is separated from the contact with the slewing bearing 2, the marking assembly 614 can move downwards immediately under the action of self gravity and the elastic force of the spring, and then the blocking block can restore the blocking effect on the marking cavity 612 immediately, so that the quantity of the coating inside the marking block is always kept to be constant, the phenomenon that the marking is not clear due to too little coating inside the marking block is prevented, and the phenomenon that the marking is fuzzy due to too much coating inside the marking block is also prevented.

Can beat even and symmetrical mark automatically on slewing bearing 2's surface through the simple operation of staff, can improve the accuracy of drilling processing to a great extent, compare with current manual mark mode moreover, degree of automation is higher, reached labour saving and time saving's effect.

Example three:

referring to fig. 1-10, a portable slewing bearing side hole machining positioning mechanism comprises a workbench 1, a slewing bearing 2 is placed in the middle of the upper end of the workbench 1, a rubber roller 3 is movably mounted at the lower end of the workbench 1, a driving assembly 4 is arranged on the left side of the upper end of the workbench 1, a portable auxiliary mechanism 5 is movably mounted at the upper end of the driving assembly 4, a symmetrical positioning mechanism 6 is movably mounted above the workbench 1, the portable auxiliary mechanism 5 comprises a positioning screw rod 501, a driving motor is arranged inside the driving assembly 4, the lower end of the positioning screw rod 501 is fixedly connected with the output end of the driving motor, a mounting base 502 is fixedly mounted at the upper end of the workbench 1, an auxiliary cavity 503 is arranged at the upper end of the mounting base 502, a pressing assembly 504 is movably mounted inside the auxiliary cavity 503, the pressing assembly 504 consists of a right-angle rod and a piston at the lower end of the right-angle rod, the upper end of the right-angle rod extends out of the auxiliary cavity 503, the outer surface of the piston is tightly attached to the inner wall of the auxiliary cavity 503, so that when the right-angle rod moves downwards under the action of external force, the piston can slide downwards along the inner wall of the auxiliary cavity 503, the right side of the lower end of the auxiliary cavity 503 is movably provided with the air nozzle 505, the upper end of the inner cavity of the auxiliary cavity 503 is fixedly provided with the buffer block 506, the left end of the air nozzle 505 is communicated with the inner part of the auxiliary cavity 503, the buffer block 506 is made of elastic material, so that when the pressing component 504 moves vertically downwards, air can be blown outwards through the air nozzle 505, when the pressing component 504 moves upwards, the existence of the buffer block 506 can prevent the pressing component 504 from colliding with the inner cavity of the auxiliary cavity 503, the lower end of the auxiliary cavity 503 is hermetically connected with a vertical pipeline 507, a braking chute 508 is vertically arranged in the workbench 1, and the upper end of the vertical pipeline 507 is communicated with the inner part of the auxiliary cavity 503, the lower end of the vertical pipe 507 is communicated with the inside of the brake chute 508, the brake chute 508 is located above the rubber roller 3, so that when the pressing component 504 moves downwards, the gas inside the auxiliary cavity 503 can enter the inside of the brake chute 508 through the vertical pipe 507, the inside of the brake chute 508 is connected with the clamping component 509 in a sliding manner, the clamping component 509 comprises a clamping slider and a clamping spring, the outer surface of the clamping slider is tightly attached to the inner wall of the brake chute 508, the clamping spring is located between the upper end of the clamping slider and the brake chute 508, in an initial state, the clamping slider is located inside the brake chute 508 under the elastic force of the clamping spring, the rubber roller 3 can move freely at this time, after the gas enters the inside of the brake chute 508 through the vertical pipe 507, the clamping slider 509 inside the clamping component can move downwards under the thrust of the gas and contact with the rubber roller 3, the symmetrical positioning mechanism 6 comprises a movable arm 601, the lower end of the movable arm 601 is in threaded connection with the upper end of a positioning screw rod 501, the upper end of the movable arm 601 is movably provided with a mounting bracket 602, the lower end of the mounting bracket 602 is movably provided with a fixed tooth block 603, the fixed tooth block 603 is composed of a tooth table part at the upper end and a column part at the lower end, so that when the movable arm 601 moves downwards under the action of the positioning screw rod 501, the mounting bracket 602 and the fixed tooth block 603 synchronously move downwards, the lower end of the fixed tooth block 603 is fixedly provided with a positioning block 604, the lower end of the positioning block 604 is vertically provided with an avoiding groove 605, the lower end of the avoiding groove 605 is open, the inside of the avoiding groove 605 is connected with a sliding block 606 in a sliding manner, the upper end of the sliding block 606 is movably connected with a pushing spring 607, the upper end of the pushing spring 607 is fixedly connected with the inner wall of the avoiding groove 605, and the lower end of the pushing spring 607 is fixedly connected with the sliding block 606, in an initial state, the sliding block 606 extends out of the avoidance groove 605 under the action of the elastic force of the pushing spring 607, the upper end of the sliding block 606 is movably provided with a linkage assembly 608, the linkage assembly 608 comprises a connecting rope and a transition guide wheel, one end of the connecting rope is fixedly connected with the upper end of the sliding block 606, the other end of the connecting rope bypasses the transition guide wheel and is fixedly connected with a positioning lug 610, the side surface of the positioning block 604 is provided with four positioning chutes 609, the positioning chutes 609 are arrayed along the circumferential direction of the positioning block 604, the positioning lugs 610 are slidably connected inside the positioning chutes 609, the left side and the right side of the lower end of the mounting bracket 602 are movably sleeved with movable gears 611, the shapes of the outer surfaces of the movable gears 611 are matched with the shapes of the outer surfaces of the upper ends of the fixed toothed blocks 603, and in the initial state, the positioning lugs 610 are positioned inside the positioning chutes 609 under the action of the linkage assembly 608, when the sliding block 606 moves upwards, the positioning protrusion 610 extends out of the positioning sliding groove 609 under the action of the bottom spring, the inside of the lower end of the mounting bracket 602 is provided with a mark cavity 612, the lower end of the mark cavity 612 is provided with a liquid dropping groove 613, the upper end of the liquid dropping groove 613 is communicated with the inside of the mark cavity 612, the inside of the liquid dropping groove 613 is slidably connected with a mark assembly 614, the mark assembly 614 comprises a blocking block, a round rod and a mark block, the blocking block is positioned inside the mark cavity 612, the mark block is positioned below the liquid dropping groove 613, the blocking block and the mark block are fixedly connected through the round rod, the round rod is positioned inside the liquid dropping groove 613 and is slidably connected with the liquid dropping groove 613, in an initial state, the blocking block inside the mark assembly 614 is in a state of blocking the lower end of the mark cavity 612, and when the mark block is in contact with the pivoting support 2, the blocking block can release the blocking of the mark cavity 612, the interior of the mark cavity 612 is filled with a liquid oily paint, so that when the blocking piece unblocks the lower end of the mark cavity 612, the oily paint inside the mark cavity 612 falls into the interior of the mark block through the liquid dropping groove 613.

And the output end of the gas nozzle 505 is located above the slewing bearing 2 and the two are close to each other, so that impurities on the surface of the slewing bearing 2 can be removed after the gas nozzle 505 is sprayed out, and the effect of preventing the impurities from falling into the oil groove to cause the slewing bearing 2 to be damaged in the marking process to a great extent is achieved.

Because the lower extreme of vertical pipeline 507 and the inside switch-on of stopping the spout 508, so the gas can enter into the inside of stopping the spout 508 through vertical pipeline 507, afterwards, the inside clamping slide of clamping component 509 can be under the effect of gas pressure vertical downstream and with rubber roller 3 full contact, at this moment, the motion of rubber roller 3 will receive the restriction to realized carrying out the position to rubber roller 3 automatically at the in-process that the digging arm 601 moves down and limited, prevent to influence the effect of machining precision because workstation 1 removes in the course of working.

When the movable arm 601 moves downwards, the mounting bracket 602 moves downwards synchronously, and since the slewing bearing 2 is located below the mounting bracket 602 and the two are arranged coaxially, when the mounting bracket 602 moves downwards, the positioning block 604 enters the inner annular surface of the slewing bearing 2.

In the initial state, the sliding block 606 extends out of the escape groove 605 under the action of the elastic force of the pushing spring 607, meanwhile, the positioning protrusion 610 is located inside the positioning sliding groove 609 under the action of the cooperation of the connecting rope and the sliding block 606, after the positioning block 604 continues to move downwards and the sliding block 606 is in contact with the workbench 1, the sliding block 606 moves vertically upwards, after the sliding block 606 moves vertically upwards, the four positioning protrusions 610 extend outwards at the same time under the action of the bottom spring, and then the positioning protrusion 610 contacts with the inner annular surface of the pivoting support 2.

Because the movable gear 611 is movably sleeved at the lower end of the mounting bracket 602, and the movable gear 611 is engaged with the fixed tooth block 603 at this time, the lower end of the mounting bracket 602 makes a circular motion around the fixed tooth block 603 when the movable gear 611 rotates.

When loose gear 611 stopped rotating at every turn, the staff can press installing support 602 downwards, installing support 602 can make the lower extreme of marking component 614 and slewing bearing 2's upper end contact during the lapse, the mark can be made on slewing bearing 2's surface to the in-process of marking component 614 and slewing bearing 2 contact, and the equal number symmetry of marking component 614 sets up the left and right sides at installing support 602, so once per pressing, alright leave two mutual symmetrical marks at slewing bearing 2's upper surface, thereby the homogeneity and the symmetry of the mark of punching have been guaranteed, and can practice thrift half process time, can improve the efficiency of processing to a great extent.

In addition, in the initial state, the blocking block at the upper end of the marking assembly 614 is in a state of blocking the marking cavity 612, and in the process that the marking block at the lower end of the marking assembly 614 is in contact with the slewing bearing 2, the blocking block can move upwards for a short distance under the cooperation effect of the round rod and the marking block, the blocking effect on the marking cavity 612 can be relieved after the blocking block moves upwards, and then the coating inside the marking cavity 612 can fall through the liquid dropping groove 613 and finally drop into the marking block.

To sum up: the device is small in size, can be rapidly moved according to needs when in use, and compared with the prior art, workers do not need to carry the slewing bearing 2 everywhere, so that the effect of reducing the workload of the workers is achieved, and the effect of preventing the slewing bearing 2 from being damaged due to collision in the carrying process is also achieved; in addition, sundries on the surface of the slewing bearing 2 can be automatically removed before punching marks are formed, so that the effect of preventing the sundries from falling into an oil groove of the slewing bearing 2 in the machining process is achieved; the rubber roller 3 can be automatically locked before punching marks, so that the effect of preventing the punching precision from being influenced by the movement of the workbench 1 in the machining process is achieved; moreover, uniform and symmetrical marks can be automatically marked on the surface of the slewing bearing 2 through simple operation of workers, the accuracy of drilling processing can be improved to a great extent, and compared with the existing manual marking mode, the automatic marking device has higher automation degree and achieves the effects of saving time and labor.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable slewing bearing side spot facing work positioning mechanism, includes workstation (1), its characterized in that: a rotary support (2) is placed in the middle of the upper end of the workbench (1), a rubber roller (3) is movably mounted at the lower end of the workbench (1), a driving assembly (4) is arranged on the left side of the upper end of the workbench (1), a portable auxiliary mechanism (5) is movably mounted at the upper end of the driving assembly (4), and a symmetrical positioning mechanism (6) is movably mounted above the workbench (1);

the portable auxiliary mechanism (5) comprises a positioning screw rod (501), the upper end of the workbench (1) is fixedly provided with a mounting base (502), the upper end of the mounting base (502) is provided with an auxiliary cavity (503), and a pressing assembly (504) is movably arranged in the auxiliary cavity (503);

the right side of the lower end of the auxiliary cavity (503) is movably provided with an air nozzle (505), and the upper end of the inner cavity of the auxiliary cavity (503) is fixedly provided with a buffer block (506);

the lower end of the auxiliary cavity (503) is hermetically connected with a vertical pipeline (507), and a braking sliding groove (508) is vertically formed in the workbench (1);

a clamping component (509) is connected inside the braking sliding chute (508) in a sliding manner;

the symmetrical positioning mechanism (6) comprises a movable arm (601), the upper end of the movable arm (601) is movably provided with a mounting bracket (602), and the lower end of the movable arm (601) is fixedly provided with a fixed tooth block (603);

a positioning block (604) is fixedly mounted at the lower end of the fixed tooth block (603), an avoiding groove (605) is vertically formed at the lower end of the positioning block (604), a sliding block (606) is slidably connected inside the avoiding groove (605), and a pushing spring (607) is movably connected at the upper end of the sliding block (606);

the upper end of the sliding block (606) is movably provided with a linkage assembly (608), the side surface of the positioning block (604) is provided with a positioning chute (609), a positioning bump (610) is connected inside the positioning chute (609) in a sliding manner, and the left side and the right side of the lower end of the mounting bracket (602) are respectively and movably sleeved with a movable gear (611);

a marking cavity (612) is formed in the lower end of the mounting bracket (602), a liquid dropping groove (613) is formed in the lower end of the marking cavity (612), and a marking assembly (614) is connected to the inside of the liquid dropping groove (613) in a sliding manner;

the interior of the marking cavity (612) is filled with a liquid oily paint.