CN114683123A

CN114683123A - Automobile bearing manufacturing device

Info

Publication number: CN114683123A
Application number: CN202210618693.5A
Authority: CN
Inventors: 彭真
Original assignee: Hangzhou Benyong Machinery Co ltd
Current assignee: Shenzhen Xinhaoping Technology Co.,Ltd.
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-07-01
Anticipated expiration: 2042-06-02
Also published as: CN114683123B

Abstract

The invention discloses an automobile bearing manufacturing device, which comprises a bottom plate, wherein a bracket body is fixed on the bottom plate, a polishing assembly is movably arranged on the bracket body, the polishing assembly comprises a polishing disc capable of polishing a bearing, the polishing assembly comprises a limiting assembly for cooling a motor, a three-jaw chuck for fixing the bearing is arranged on the bottom plate and is positioned right below the polishing disc, one side of the bracket body is provided with an air blowing assembly on the bottom plate, the air blowing assembly comprises an air outlet outer pipe and an air outlet inner pipe which are positioned between the three-jaw chuck and the polishing disc, the bottom plate is also provided with an air pump, the air pump is communicated with the air outlet inner pipe and inputs air to the air outlet inner pipe, the lifting of the polishing assembly is realized by controlling the bracket body, the polishing of the polishing disc on the bearing in the three-jaw chuck is realized, and air flow can be output to the rotating polishing disc through the air blowing assembly, the heat dissipation of the polishing disc and the cleaning of polishing scraps are facilitated.

Description

Automobile bearing manufacturing device

Technical Field

The invention belongs to the technical field of bearing production and processing, and particularly relates to an automobile bearing manufacturing device.

Background

The bearing is an important part in modern mechanical equipment, is mainly used for supporting a mechanical rotating body and reducing the friction coefficient in the motion process of the mechanical rotating body, thereby reducing the abrasion of the mechanical body and ensuring high rotation precision of the mechanical body. In the process of automobile production, mechanical rotating bodies such as a crankshaft, a camshaft and the like are often required to be fixed by using bearings.

After the bearing is machined, burrs usually exist on the end face, and the end face of the bearing needs to be polished for improving the precision of the bearing. The prior art polishing device generally comprises a worktable, a clamping member, a polishing head and a motor for driving the polishing head to rotate. When the polishing head is used, the bearing is fixed on the workbench by the clamping piece, and the motor is started, so that the motor drives the polishing head to rotate, the polishing head is in contact with the bearing, and the polishing of the end face of the bearing is realized.

Its structure of current bearing end face grinding device is single relatively, adaptability when polishing to the bearing end face in different volumes and specification is not enough, produce the error of polishing easily, the wastrel appears, and can produce the piece and the dust of bearing at the in-process of polishing, in time effectively clear up the continuity that can influence polishing, the device can give off a large amount of heats at the operation in-process motor of polishing in addition, long-time high power is polished and can be caused irreversible damage to the motor, consequently, also be extremely important to grinding device's heat dissipation.

Disclosure of Invention

The invention aims to provide an automobile bearing manufacturing device which is adjustable in height, has heat dissipation and shock absorption capabilities and can timely clean polishing debris.

The technical scheme adopted by the invention for realizing the purpose is as follows:

an automobile bearing manufacturing apparatus comprising: the bottom plate is fixed with the stake body on, can be equipped with the subassembly of polishing on the stake body with sliding, is equipped with the three-jaw chuck that is located under the subassembly of polishing on the bottom plate, and stake body one side is connected with the subassembly of blowing, and the subassembly of blowing lies in between subassembly of polishing and the three-jaw chuck on the horizontal direction. The height of the polishing component is adjusted by controlling the bracket body, the polishing component can process bearings with different sizes fixed in the three-jaw chuck conveniently, the position of the three-jaw chuck is recovered after polishing is completed, the bearing can be taken out conveniently, the processing efficiency is improved, the three-jaw chuck arranged in the horizontal direction is beneficial to the fixed installation of the bearing compared with a vertical bearing fixing device, the installation time of the bearing is shortened, meanwhile, the downward moving polishing component can give downward pressure to the bearing during polishing, the polishing stability is beneficial to improving, the bearing is prevented from leaving the three-jaw chuck due to vibration generated in the polishing process, the air blowing component can blow air to the polishing component and the bearing in the polishing process, on one hand, heat is dissipated to the rotating polishing component and the bearing, on the other hand, metal scraps generated in the polishing process can be blown away, the polishing surface is kept smooth and clean, and the phenomenon that excessive scraps are remained on the bearing to damage the surface is avoided, the bearing cleaning device has the advantages that the bearing polishing quality is improved, waste products are reduced, the production cost is reduced, the air outlet angle of the air blowing assembly can be adjusted, chips can be blown from different directions, and the chip cleaning effect is further improved.

Preferably, the stake body includes the pillar, and the mounting hole has been seted up downwards to pillar up end, and the mounting hole top is fixed with first motor, and the pivot of first motor is connected with the ball that is located the mounting hole, and the cover has ball nut on the ball, and the slot between ball and the ball nut has a plurality of balls. The first motor of control can drive ball axial rotation, ball nut passes through the ball and is connected with ball formation, make ball nut can slide on ball, it is just reverse rotatory to drive ball through the just reversal of control first motor, thereby make ball nut upwards or slide downwards on ball, thereby drive the lift of polishing subassembly, ball and ball nut that the cooperation set up enable the polishing subassembly of connection more level and smooth when going up and down, be favorable to the stability that the holding device removed, be convenient for adjust polishing subassembly more accurately simultaneously and polish, be favorable to promoting the polishing precision of bearing, first motor is fixed at the foundation pillar up end apart from ground take the altitude, can reduce the interference that ground vibrations brought first motor, extension fixture life.

Preferably, the ball nut lateral wall is equipped with the extension slider, is equipped with the rectangle on the vertical terminal surface of foundation pillar and leads to the groove, extends the slider and passes the rectangle and lead to the groove and can slide from top to bottom, extends the slider outer end and is fixed with the connecting plate, and the connecting plate bilateral symmetry is equipped with the extension board, is equipped with the pulley on arbitrary extension board, and the foundation pillar has seted up the spout on the adjacent face of rectangle leads to the groove, and the pulley can roll in the spout. Because the extending slide block is connected with the ball nut and is limited in the rectangular through groove, when the first motor drives the ball screw to rotate, the ball nut drives the extending slide block to slide up and down in the rectangular through groove, thereby driving the connecting plate to lift, the connecting plate is used for installing and fixing the polishing component, the extending slide block drives the connecting plate to drive the pulley on the extending plate to roll in the chute when sliding, the extending plate is positioned in the chute through the pulley, the stability of the connecting plate during moving is favorably reinforced, the polishing component on the connecting plate is prevented from generating violent shaking during polishing, the polishing stability is increased, meanwhile, the auxiliary support is formed on the connecting plate through the extension plate, the grinding assembly on the connecting plate is prevented from being broken due to the gravity influence of the extension sliding block, rolling friction exists when the pulley slides in the sliding groove, the grinding assembly can be prevented from sliding up and down when hovering and grinding, and the grinding precision of the bearing is low.

Preferably, the polishing assembly comprises a sliding base sleeve, the sliding base sleeve is fixed on one side of the connecting plate, the side wall array of the sliding base sleeve is provided with vent holes, the bottom surface of the sliding base sleeve is downwards inserted with a second motor, a rotating shaft of the second motor is connected with a polishing disc, and the upper end surface of the polishing disc is downwards provided with guide grooves in an array mode. External air flow can dissipate heat of the second motor through the vent holes, the sliding base sleeve is used for fixing the second motor and protecting the side of the second motor, on one hand, the ground fragments are prevented from impacting the second motor to cause damage, on the other hand, the ground fragments can be prevented from falling around the second motor to influence the heat dissipation of the second motor, the sliding base sleeve is surrounded on the outer side of the second motor to facilitate absorbing and consuming noise generated when the second motor works, the bearing fixed on the three-jaw chuck is ground by controlling the grinding disc connected below the second motor to rotate, part of the ground fragments can be discharged outwards along the guide grooves under the centrifugal force under the high-speed rotation of the grinding disc, the phenomenon that the grinding effect is influenced by the accumulation of too much ground fragments on the grinding disc is avoided, the rotating grinding disc can generate rotating air flow, and the air flow can also drive part of heat generated by the grinding disc when the air flow takes away the ground fragments through each guide groove, the service life of the polishing disc can be prolonged, and the processing cost is reduced.

Preferably, the second motor lateral wall is equipped with spacing extension piece, and spacing extension piece is the annular and is located the base cover in the bottom surface top that slides, and the spring has all been laid to spacing upper and lower terminal surface of extending the piece array, is connected with the brace table on the spring that is located the up end of spacing extension piece, and there is the space brace table bottom surface inner wall and second motor lateral wall. When the second motor operates or the polishing component is lifted, vibration in the vertical direction can be generated, the vibration is transmitted to the spring through the limiting extension block, and vibration energy is exchanged through compression deformation of the spring to keep the stability of the second motor, on one hand, the polishing disc at the bottom is prevented from horizontally deviating along with the vibration of the second motor, the polishing flatness of the end face of the bearing is inconsistent, the polishing precision is favorably improved, the polishing quality of the bearing is improved, the cross section of the support table above the spring is L-shaped, the support table limits the deformation range of the spring, the situation that the second motor is driven to leave the sliding base sleeve by overlarge elasticity when the spring is restored to deform is avoided, the spring compression can drive surrounding air to flow, a gap between the inner wall of the ring body at the bottom of the support table and the second motor is favorable for flowing air to pass through, the heat dissipation of the second motor can be realized, and the metal dust accumulated around the second motor can be favorably taken away by flowing air, and the influence of the accumulation of metal powder on the heat dissipation of the second motor is avoided.

Preferably, a supporting table bottom top is equipped with spacing subassembly, spacing subassembly is including the spacing sleeve that is located the second motor outside, spacing sleeve wall has internally seted up well plenum chamber, well plenum chamber intussuseption is filled with the coolant liquid, spacing sleeve's up end and lower terminal surface are equipped with first spacing ring and second spacing ring respectively, spacing sleeve lateral wall interval sets up the elastic ring, first spacing ring and second spacing ring all correspond and are equipped with the opening, the downthehole bracing piece that is fixed with of the opening that corresponds about the part. The outer edge of the first limiting ring is abutted against the inner wall of the sliding base sleeve, the side wall of the second limiting ring is abutted against the inner wall of the support table, the limiting sleeve is sleeved outside the second motor in a fitting manner, the heat generated when the second motor runs is absorbed by cooling liquid in the limiting sleeve, the service life of the second motor is kept, the first limiting ring and the second limiting ring keep the distance between the sliding base sleeve and the limiting sleeve, the contact area of the limiting component and the sliding base sleeve is reduced, the vibration energy transmitted to the sliding base sleeve by the second motor through the limiting component is reduced, the noise is reduced, the elastic ring outside the limiting sleeve can absorb and buffer the vibration energy on one hand, the flow velocity of outside air flow can be reduced on the other hand, the flowing time of the air flow between the sliding base sleeve and the limiting sleeve is prolonged, the heat dissipation effect of the air flow is improved, and the support rod in the flow hole reinforces the connection of the first limiting ring and the second limiting ring, and the airflow can enter the space between the limiting sleeve and the sliding base sleeve from partial circulation holes on the first limiting ring to assist in heat dissipation.

Preferably, the subassembly of blowing includes the hydraulic stem, and the hydraulic stem is fixed on the bottom plate and is located stake body one side, and the hydraulic stem up end is equipped with the link, and the articulated air-out outer tube that is connected with on the link, air-out outer tube outer wall are fixed with articulated seat, and the pillar lateral wall is equipped with the hinge bar, and the hinge bar passes articulated seat and articulated connection, has seted up the toroidal cavity in the wall body of air-out outer tube, and the toroidal cavity is equipped with the venthole, venthole and air-out outer tube hollow position intercommunication. The lift through the control hydraulic stem can drive the lift of stake body, and stake body drives articulated seat on the air-out outer tube and swings on the hinge bar when going up and down to realize going out the incline direction of tuber pipe, realize blowing the subassembly and blow to the diversely of polishing dish and bearing, can promote clastic clearance effect, and can make the air-out overcoat blow to the second motor through adjusting hydraulic stem, further promote the radiating effect of second motor.

Preferably, an air outlet inner pipe is fixed in the air outlet outer pipe, a branch air pipe penetrates through the side wall of the air outlet inner pipe, one end of the branch air pipe is located in the air outlet inner pipe, the other end of the branch air pipe is fixed in the wall of the air outlet outer pipe and communicated with the annular cavity, the air blowing assembly further comprises an air pump fixed on the bottom plate, and a main air pipe is communicated between the air outlet inner pipe and the air pump. The air pump outputs air flow to the air outlet inner pipe through the main air pipe, one part of the air flow is discharged outwards through the other end of the air outlet inner pipe to realize air blowing, the other part of the air flow flows to the annular cavity from the branch air pipes and is discharged to the inner side of the air outlet outer pipe through the air outlet hole of the annular cavity, the discharged air flow is contacted with the outer wall of the air outlet inner pipe to form reverse air flow to be diffused outwards, on one hand, two layers of air flow blown out by the air outlet inner pipe and the air outlet outer pipe improves the outward air blowing range of the air blowing assembly, the phenomenon that the air flow intensively blows away scraps to cause the scraps to be scattered to influence the life safety of workers is avoided, on the other hand, noise sound waves generated at the polishing position need to penetrate through the two layers of air flow to perform energy consumption, noise pollution is favorably reduced, the air flow flowing into the air outlet inner pipe can be gathered to the center after contacting the arc-shaped inner wall of the air outlet inner pipe, and is favorable for gathering of the air flow at the outlet of the air outlet inner pipe, the air flow can blow to the contact position of the polishing disc and the bearing more accurately, so that the chips are discharged in time and heat is dissipated.

The invention adopts the bracket body to control the lifting of the polishing component, and utilizes the blowing component to blow away the scraps and realize heat dissipation, thereby having the following beneficial effects: the polishing component is lifted and lowered to polish by controlling the bracket body, and the bracket has certain interference resistance; a spring is arranged in the sliding base sleeve and can consume the vibration of the second motor during working; the limiting assembly dissipates heat of the second motor and fixes the second motor in the sliding base sleeve; the blowing assembly cleans the polishing debris and emits heat of the polishing part. Therefore, the automobile bearing manufacturing device has the advantages of being adjustable in height, capable of dissipating heat and absorbing shock, and capable of timely cleaning polishing debris.

Drawings

FIG. 1 is a schematic view of the entire apparatus;

FIG. 2 is a schematic half-section of a stent body;

FIG. 3 is a schematic view of a connection plate;

FIG. 4 is an enlarged view of area A;

FIG. 5 is a schematic half-section view of a sanding assembly;

FIG. 6 is a schematic view of a spacing assembly;

FIG. 7 is a schematic view of the insufflation assembly;

fig. 8 is an enlarged schematic view of the region B.

Reference numerals: 1. a stent body; 10. a base pillar; 11. mounting holes; 12. a first motor; 13. a ball screw; 130. a ball nut; 14. an extension slider; 15. a rectangular through groove; 16. a connecting plate; 17. an extension plate; 18. a pulley; 19. a chute; 2. polishing the assembly; 20. a sliding base sleeve; 21. a vent hole; 22. a second motor; 23. grinding disc; 230. a diversion trench; 24. a limit extension block; 25. a spring; 26. a support table; 27. a limiting component; 270. a limiting sleeve; 271. a hollow chamber; 272. cooling liquid; 273. a first limit ring; 274. a second stop collar; 275. an elastic ring; 276. mounting holes; 277. a support bar; 3. a blowing assembly; 30. a hydraulic lever; 31. a connecting frame; 32. an air outlet outer pipe; 33. a hinged seat; 34. a hinged lever; 35. an annular cavity; 36. an air outlet; 37. an air outlet inner pipe; 38. a branch air pipe; 39. an air pump; 40. a main air pipe; 4. a three-jaw chuck; 5. a base plate.

Detailed Description

The technical scheme of the invention is further described in detail by combining the detailed description and the attached drawings:

it is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.

An automobile bearing manufacturing apparatus comprising: bottom plate 5, be fixed with stake body 1 on bottom plate 5, stake body 1 includes pillar 10, pillar 10 is fixed in 5 up end of bottom plate, mounting hole 11 has been seted up downwards to the up end of pillar 10, pillar 10 up end is located 11 tops of mounting hole and is fixed with first motor 12, first motor 12's pivot downwardly connected has ball 13 that is located mounting hole 11, first motor 12 and ball 13 coaxial rotations, the cover is equipped with ball screw 130 on ball 13, the spherical ditch inslot between ball screw 13 and the ball nut 130 is equipped with a plurality of balls, ball nut 130 forms slidable zonulae occludens through ball and ball 13, ball nut 130 can slide axially on ball screw 13, ball nut 130 is being located the pillar 10 outside and is connected with polishing assembly 2.

The positive and negative rotation through controlling first motor 12 drives ball 13 positive and negative rotation, thereby make ball nut 130 upwards or slide downwards on ball 13, thereby drive the lift of outside grinding component 2, ball 13 and ball nut 130's cooperation sets up and enables the grinding component 2 of connection more level and smooth when going up and down, be favorable to the stability that the holding device removed, the rotation through controlling ball 13 is convenient for adjust grinding component 2's height more accurately and is polished, be favorable to promoting the precision of polishing of bearing, pillar 10 fixes first motor 2 apart from ground take the altitude, can reduce the interference that ground vibrations brought first motor 2, extension fixture life.

The side wall of the ball nut 130 is provided with an extension sliding block 14, the vertical end face of the foundation column 10 is provided with a rectangular through groove 15, the extension sliding block 14 penetrates through the rectangular through groove 15 and can slide up and down in the rectangular through groove 15, the outer end of the extension sliding block 14 is fixed with a connecting plate 16, two sides of the connecting plate 16 are symmetrically provided with extension plates 17, a pulley 18 is arranged on any extension plate 17, the adjacent face of the rectangular through groove 15 of the foundation column 10 is provided with a sliding groove 19, and the pulley 18 is located in the sliding groove 19 and can roll in the sliding groove 19 along the vertical direction.

Because the extension sliding block 14 is connected with the ball nut 130, and the extension sliding block 14 is limited in the rectangular through groove 15, when the first motor 12 drives the ball screw 13 to rotate, the ball screw 13 makes the ball nut 130 slide axially through the ball 131, and drives the extension sliding block 14 to slide up and down in the rectangular through groove 15, so as to drive the connection plate 16 to lift up and down, the connection plate is used for installing and fixing the polishing component 2, when the extension sliding block 14 slides, the connection plate 16 is driven to slide up and down, the pulley 18 on the extension plate 17 is driven to roll up and down in the sliding groove 19, the extension plate 17 is positioned in the sliding groove 19 through the pulley 18, so that the connection stability of the connection plate 16 and the base column 10 is improved, the polishing component 2 on the connection plate 16 is prevented from shaking violently during polishing, the polishing stability is increased, meanwhile, the auxiliary support of the connection plate 16 on the base column 10 is reinforced through the extension plate 17, and the extension sliding block 14 on the ball nut 130 is prevented from being broken and bent under the influence of the gravity of the polishing component 2, meanwhile, the pulley 18 has rolling friction when sliding in the sliding groove 19, so that the problem that the polishing precision of the bearing is low due to the fact that the polishing component 2 slides up and down due to polishing vibration during suspension can be reduced.

The polishing component 2 comprises a sliding base sleeve 20, the sliding base sleeve 20 is a bottom sealing cylinder with an open upper end, the side wall of the sliding base sleeve 20 is fixed to a connecting plate 16, the side wall array of the sliding base sleeve 20 is provided with a through ventilation hole 21, the bottom surface of the sliding base sleeve 20 is downwards inserted with a second motor 22, a rotating shaft of the second motor 22 is connected with a polishing disc 23, the upper end surface of the polishing disc is downwards arrayed to form a guide groove 230, a three-jaw chuck 4 fixed on a bottom plate 5 is arranged under the polishing disc 23, and a bearing can be fixed in the three-jaw chuck 4.

External air flow can enter the sliding base sleeve 20 through the vent holes 21 to dissipate heat of the second motor 22, the sliding base sleeve 20 is used for fixing the second motor 22 and meanwhile protects the side of the second motor 22, on one hand, grinding chips are prevented from colliding with the second motor 22 to cause damage, on the other hand, the chips can be prevented from falling around the second motor 22 to affect heat dissipation of the second motor 22, the sliding base sleeve 20 is surrounded on the outer side of the second motor 22 to facilitate absorption and consumption of noise generated during operation of the second motor 22, bearings fixed on the three-jaw chuck 4 can be ground by controlling the second motor 22 to drive the grinding disc 23 connected below to rotate, part of grinding chips can be discharged outwards along the guide groove 230 under high-speed rotation of the grinding disc 23 due to centrifugal force, the phenomenon that excessive chips are accumulated on the grinding disc 23 to affect the grinding effect is avoided, and the rotating grinding disc 23 can generate rotating air flow, the airflow takes away the chips through the guide grooves 230, and simultaneously can also take away part of heat generated by the polishing of the polishing disc 23, which is beneficial to prolonging the service life of the polishing disc 23 and reducing the processing cost.

The side wall of the second motor 22 is provided with a limit extension block 24, the limit extension block 24 is annular and is located above the inner bottom surface of the sliding base sleeve 20, springs 25 are distributed on the upper and lower end surfaces of the limit extension block 24 in an array manner, a support table 26 is connected on the spring 25 located on the upper end surface of the limit extension block 24, a gap exists between the inner wall of the circular hole on the bottom surface of the support table 26 and the side wall of the second motor 2, a limit component 27 is arranged above the bottom of the support table 26, the limit component 27 comprises a limit sleeve 270 located on the outer side of the second motor 22, a hollow chamber 271 is arranged in the wall of the limit sleeve 270, a cooling liquid 272 is filled in the hollow chamber 271, a first limit ring 273 is arranged on the upper end surface of the limit sleeve 270, a second limit ring 274 is arranged on the lower end surface of the limit sleeve 270, elastic rings 275 are arranged on the outer side wall of the limit sleeve 270 at intervals in the axial direction, circulation holes 276 are correspondingly arranged on the first limit ring 273 and the second limit ring 274, a support rod 277 is fixed in the flow hole 276 corresponding to the upper and lower parts of the flow hole.

When the second motor 22 operates and the polishing component 2 is lifted, vibration in the vertical direction is generated, the vibration is transmitted to the spring 25 through the limiting extension 24, and vibration energy is exchanged through compression deformation of the spring 25 to keep the stability of the second motor 22, on one hand, the polishing disc 23 at the bottom is prevented from shifting in the horizontal direction along with the swinging of the second motor 22, the polishing flatness of the end face of the bearing is inconsistent, the polishing precision is improved, the polishing quality of the bearing is improved, the cross section of the support table 26 above the spring 5 is L-shaped, the support table 26 is matched with the limiting component 27 to limit the deformation range of the spring 25, the situation that when the spring 25 recovers to deform, the second motor 22 is driven by overlarge elasticity to leave the sliding base sleeve 20 is avoided, the spring 25 can drive surrounding air to flow through compression, and the gap between the inner wall of the circular hole at the bottom of the support table 26 and the second motor 22 can increase the speed of flowing air, the heat dissipation effect of the airflow on the second motor 22 can be improved, the flowing air is facilitated to take away metal dust accumulated around the second motor 22, the influence of metal powder accumulation on the heat dissipation of the second motor 22 is avoided, the outer edge of the first limiting ring 273 is abutted against the inner wall of the sliding base sleeve 20, the side wall of the second limiting ring 274 is abutted against the inner wall of the cylinder of the support table 26, the limiting sleeve 270 is sleeved outside the second motor 22 in a fitting manner, the cooling liquid 272 in the limiting sleeve 270 is facilitated to absorb heat generated when the second motor 22 operates, so that the service life of the second motor 22 is kept, the first limiting ring 273 and the second limiting ring 274 keep the distance between the sliding base sleeve 20 and the limiting sleeve 270, the contact area between the limiting component 27 and the sliding base sleeve 20 is reduced, the vibration energy transferred from the second motor 22 to the sliding base sleeve 20 through the limiting component 27 is reduced, and the noise is reduced, the elastic ring 275 outside the limit sleeve 270 can absorb buffering vibration energy on the one hand, on the other hand can slow down the class of stream of outside air current, thereby the time that the extension air current flowed through between the base set 20 and the limit sleeve 270 of sliding, thereby promote the radiating effect of air current, bracing piece 277 provides the support to first limit ring 273 and second limit ring 274, consolidate joint strength, and the air current can flow into to between limit sleeve 270 and the base set 20 of sliding from the circulation hole 276 that is not equipped with bracing piece 277 on first limit ring 273, realize inside and outside air current to exchange and circulate, further promote the radiating effect.

An air blowing component 3 is arranged on one side of the support body 1 on the bottom plate 5, the air blowing component 3 comprises a hydraulic rod 30, the hydraulic rod 30 is fixed on the bottom plate 5 and is positioned on one side of the foundation column 10, a connecting frame 31 is arranged on the upper end face of the hydraulic rod 30, an air outlet outer tube 32 is arranged on the connecting frame 31, two sides of the air outlet outer tube 32 are hinged with the connecting frame 31, a hinge seat 33 is fixed on the outer wall of the air outlet outer tube 32, a hinge rod 34 is arranged on the side wall of the foundation column 10, the hinge rod 34 penetrates through the hinge seat 33 to form hinged connection, an annular cavity 35 is arranged in the wall body of the air outlet outer tube 32, an air outlet hole 36 is arranged in the annular cavity 35 and is communicated with the hollow position of the air outlet outer tube 32, an air outlet inner tube 37 is fixed in the air outlet outer tube 32, a branch air tube 38 is inserted in the side wall of the air outlet inner tube 37, one end of the branch air tube 38 is positioned in the hollow position in the air outlet inner tube 37, the other end is fixed in the wall body of the air outlet outer tube 32 and is communicated with the annular cavity 35, an air pump 39 is further arranged on the bottom plate 5, and a main air pipe 40 is communicated between the air outlet inner pipe 37 and the air pump 39.

The lifting of the connecting frame 31 can be driven by controlling the lifting of the hydraulic rod 30, when the connecting frame 31 is lifted, the hinge seat 33 on the air outlet outer tube 32 is driven to swing on the hinge rod 34, so that the inclination of the air outlet outer tube 32 is realized, the multi-directional air blowing of the air blowing component 3 to the polishing disc 23 and the bearing is realized, the cleaning effect of the scraps can be improved, the air outlet outer tube 32 can blow the second motor 22 by adjusting the hydraulic rod 30, the heat dissipation effect of the second motor 22 is further improved, the air pump 39 outputs air flow to the air outlet inner tube 37 through the main air tube 40, one part of the air flow is discharged outwards through the inner wall of the air outlet inner tube 37 to realize air blowing, the other part of the air flow flows to the annular cavity 35 from the branch air tube 38 and is discharged to the hollow position of the inner wall of the air outlet outer tube 32 through the air outlet hole 36 of the annular cavity 35, and the discharged air flow is contacted with the outer wall of the air outlet inner tube 37 to form reverse air flow diffusion, air-out inner tube 37 has promoted the scope that the subassembly 2 of blowing outwards blows on the one hand with the two-layer air current that air-out outer tube 32 blew out, avoid the air current to blow away the piece concentratedly, cause the piece to scatter and influence staff life safety, on the other hand, the noise sound wave that the position of polishing produced need pass two-layer air current and carry out energy consumption, be favorable to reducing noise pollution, the air current that flows into air-out inner tube 37 can be to center department's gathering behind the arc inner wall of contact air-out inner tube 37, be favorable to the air current at the gathering of air-out inner tube 37 exit, be favorable to the air current to blow to polishing dish 23 and bearing contact position more accurately simultaneously, thereby in time arrange away the piece and dispel the heat.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An automobile bearing manufacturing apparatus comprising: the polishing device comprises a base plate (5), a support body (1) is fixed on the base plate (5), a polishing component (2) is arranged on the support body (1) in a sliding manner, a three-jaw chuck (4) positioned right below the polishing component (2) is arranged on the base plate (5),

the method is characterized in that: one side of the support body (1) is connected with an air blowing assembly (3), and the air blowing assembly (3) is located between the grinding assembly (2) and the three-jaw chuck (4) in the horizontal height.

2. The automobile bearing manufacturing device according to claim 1, wherein the bracket body (1) comprises a base pillar (10), the base pillar (10) is provided with a mounting hole (11) on the upper end surface of the base pillar (10) in a downward direction, a first motor (12) is fixed above the mounting hole (11), a ball screw (13) located in the mounting hole (11) is connected to a rotating shaft of the first motor (12), a ball nut (130) is sleeved on the ball screw (13), and a plurality of balls are arranged in a groove between the ball screw (13) and the ball nut (130).

3. The automobile bearing manufacturing device as claimed in claim 2, wherein an extension slider (14) is arranged on a side wall of the ball nut (130), a rectangular through groove (15) is arranged on a vertical end surface of the foundation pillar (10), the extension slider (14) passes through the rectangular through groove (15) and can slide up and down, a connecting plate (16) is fixed at an outer end of the extension slider (14), extension plates (17) are symmetrically arranged on two sides of the connecting plate (16), a pulley (18) is arranged on any one of the extension plates (17), a sliding groove (19) is arranged on an adjacent surface of the rectangular through groove (15) of the foundation pillar (10), and the pulley (18) can roll in the sliding groove (19).

4. The automobile bearing manufacturing device according to claim 3, wherein the polishing assembly (2) comprises a sliding base sleeve (20), the sliding base sleeve (20) is fixed on one side of the connecting plate (16), vent holes (21) are formed in the side wall array of the sliding base sleeve (20), a second motor (22) is inserted into the bottom surface of the sliding base sleeve (20) in a downward penetrating mode, a polishing disc (23) is connected to a rotating shaft of the second motor (22), and guide grooves (230) are formed in the upper end surface of the polishing disc (23) in a downward array mode.

5. The automobile bearing manufacturing device as claimed in claim 4, wherein a limit extension block (24) is arranged on the side wall of the second motor (22), the limit extension block (24) is annular and is located above the inner bottom surface of the sliding base sleeve (20), springs (25) are arranged on the upper end surface and the lower end surface of the limit extension block (24) in an array mode, a support table (26) is connected to the springs (25) located on the upper end surface of the limit extension block (24), and a gap exists between the inner wall of the bottom surface of the support table (26) and the side wall of the second motor (22).

6. The automobile bearing manufacturing device according to claim 5, wherein a limiting assembly (27) is arranged above the bottom of the support platform (26), the limiting assembly (27) comprises a limiting sleeve (270) located outside the second motor (22), a hollow chamber (271) is formed in a wall body of the limiting sleeve (270), the hollow chamber (271) is filled with cooling liquid (272), a first limiting ring (273) and a second limiting ring (274) are respectively arranged on an upper end face and a lower end face of the limiting sleeve (270), elastic rings (275) are arranged on an outer side wall of the limiting sleeve (270) at intervals, the first limiting ring (273) and the second limiting ring (274) are respectively provided with circulation holes (276), and support rods (277) are fixed in the circulation holes (276) which are partially vertically corresponding to each other.

7. The automobile bearing manufacturing device according to claim 2, wherein the blowing assembly (3) comprises a hydraulic rod (30), the hydraulic rod (30) is fixed on the bottom plate (5) and located on one side of the support body (1), a connecting frame (31) is arranged on the upper end face of the hydraulic rod (30), an air outlet outer tube (32) is hinged to the connecting frame (31), a hinged seat (33) is fixed on the outer wall of the air outlet outer tube (32), a hinged rod (34) is arranged on the side wall of the base column (10), the hinged rod (34) penetrates through the hinged seat (33) and is hinged to the air outlet outer tube, an annular cavity (35) is formed in the wall body of the air outlet outer tube (32), an air outlet hole (36) is formed in the annular cavity (35), and the air outlet hole (36) is communicated with the hollow position of the air outlet outer tube.

8. The automobile bearing manufacturing device according to claim 7, wherein an air outlet inner tube (37) is fixed in the air outlet outer tube (32), a branch air tube (38) is inserted through a side wall of the air outlet inner tube (37), one end of the branch air tube (38) is located in the air outlet inner tube (37), the other end of the branch air tube is fixed in a wall body of the air outlet outer tube (32) and communicated with the annular cavity (35), the air blowing assembly (3) further comprises an air pump (39) fixed on the bottom plate (5), and a main air tube (40) is communicated between the air outlet inner tube (37) and the air pump (39).