CN218397383U

CN218397383U - High-precision bearing shape-trimming roller edge grinding device for rail transit

Info

Publication number: CN218397383U
Application number: CN202222598638.2U
Authority: CN
Inventors: 王铁忠; 顾小娟; 姚国余; 陈信书; 何兴辉
Original assignee: Changzhou Wujin Yongda Mechanical Bearing Co ltd
Current assignee: Changzhou Wujin Yongda Mechanical Bearing Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-31
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a high accuracy bearing edging device for repairing roller for track traffic belongs to track traffic spare part processing technology field, and it includes the base, and surface mounting has grinding device and supporting mechanism on the base, the supporting mechanism surface is provided with stop gear, and the cylinder is installed to the base bottom, grinding device include with base welded fastening's riser, the motor is installed in the riser outside, motor output has cup jointed the frame of polishing, the frame of polishing is inside to be fixed with the abrasive disc, supporting mechanism includes the sliding seat, the welding of direction piece one end has the connecting plate, and the welding of sliding seat upper surface has backup pad and screwed pipe, the inboard threaded connection in screwed pipe top has the screw rod, the outer surface welding of screw rod has the carousel, and this bearing roller edging device for track traffic need not to use the lathe to carry out chamfer work when bearing roller production, uses this edging device can effectively guarantee the regional roughness of chamfer, reduces manufacturing procedure.

Description

High-precision bearing shape-trimming roller edge grinding device for rail transit

Technical Field

The utility model relates to a zero processing technology field of rail transit especially relates to high accuracy bearing is repaiied shape edging device for roller for rail transit.

Background

The rail transportation generally refers to trams, high-speed rails, trains and the like, and is a vehicle running on a specific rail, the volume of the vehicle is large, and a large-sized high-precision roller bearing needs to be used in the vehicle.

In the production process of the high-precision roller bearing, in the process of machining the roller, the two ends of the roller are required to be subjected to edging and chamfering treatment, and the roller is required to be subjected to trimming and shaping, and generally, the chamfering treatment is required to be carried out by clamping the roller on a lathe.

After lathe machining, in order to guarantee surface quality, need polish once more to the chamfer position, this just needs to be processed once more, consequently lacks one kind and can directly the clamping roller carry out the equipment of edging processing to the edging equipment needs to satisfy the roller of different diameters and length fixed, in order to reach the more size of adaptation roller processing work.

Therefore, the high-precision bearing trimming roller edge grinding device for rail transit is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high accuracy bearing is repaiied shape edging device for roller for track traffic has overcome prior art not enough, aims at solving the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: edge grinding device for high accuracy bearing correction of shape roller for track traffic, including the base, surface mounting has grinding device and supporting mechanism on the base, the supporting mechanism surface is provided with stop gear, and the cylinder is installed to the base bottom, grinding device include with base welded fastening's riser, the motor is installed in the riser outside, the frame of polishing has been cup jointed to the motor output, the frame of polishing is inside to be fixed with the abrasive disc, supporting mechanism includes the sliding seat, the welding of sliding seat bottom has the guide vane, the welding of guide vane one end has the connecting plate, and the welding of sliding seat upper surface has backup pad and screwed pipe, the inboard threaded connection in screwed pipe top has the screw rod, the outer surface welding of screw rod has the carousel, the welding of backup pad top has fixed pipe, the inboard card in fixed socle portion is equipped with the lifting seat, the welding of lifting seat top has a supporting seat, and fixed socle portion threaded connection has first knob, first knob bottom pivot is connected with compresses tightly the strip.

As a preferred technical scheme of the utility model, the limiting mechanism comprises a limiting seat, the limiting seat is welded on the outer surface of the fixed pipe, the cutting is clamped in the limiting seat, one end of the cutting is welded with a baffle plate, the baffle plate is positioned outside one end of the fixed pipe, the outer surface of the limiting seat is connected with a second knob in a threaded manner, one end of the second knob penetrates through and extends to the inside of one side of the limiting seat and is in contact with the outer surface of the cutting;

the limiting mechanism is used for limiting the rollers with different lengths, so that the end parts of the installed rollers and the polishing positions of the polishing plates in the polishing frame are constant, and the rollers move forwards by a rated distance under the driving of the air cylinder, thereby controlling the depth of the polished edge.

As a preferred technical scheme of the utility model, one end of the guide sheet penetrates through and extends to the outer side of the bottom of the base, and the surface of the base is provided with a waist-shaped hole matched with the guide sheet;

therefore, the guide sheet plays a role in guiding the sliding of the sliding seat, so that the guide seat moves horizontally.

As a preferred technical scheme of the utility model, the surface of the guide sheet is welded with a limiting sheet, and the upper surface of the limiting sheet on the surface of the guide sheet is jointed with the bottom of the base;

spacing piece and sliding seat are located the bottom and the top of base respectively, can avoid the sliding seat vertical drunkenness to appear at the removal in-process like this to guarantee the machining precision.

As a preferred technical scheme of the utility model, the grinding frame is in a funnel-shaped structure, and a chip groove is arranged between the grinding sheets;

the inner wall of the vertical section of the polishing frame with the funnel-shaped structure can be seen to be 45 degrees, so that the polished chamfer size is embraced, the chamfer is effectively ensured to be uniform, and the chip grooves discharge abrasive dust, thereby ensuring the polishing effect.

As a preferred technical scheme of the utility model, the top of the screw rod is movably connected with the bottom of the lifting seat, the bottom of the fixed tube is provided with a guide groove matched with the lifting seat, the pressing strip is clamped at the inner side of the top of the fixed tube, and the inner side of the top of the fixed tube is provided with a guide groove matched with the pressing strip;

guarantee when rotating the carousel, the lifting seat is vertical lift to guarantee the support effect of supporting seat, and guaranteed the clamping quality.

The utility model has the advantages that:

1. when the bearing roller edge grinding device for rail transit is used for producing the bearing roller, a lathe is not needed for chamfering, the roughness of a chamfering area can be effectively ensured by using the edge grinding device, and the processing procedures are reduced;

2. this bearing roller edging device for track traffic can adjust according to roller diameter and roller length, guarantees to carry out effective clamping to not unidimensional roller to guarantee the edging effect, the suitability is stronger, and application scope is wider.

Drawings

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

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a side view schematic structure diagram of the present invention;

fig. 4 is a schematic view of the grinding sheet mounting structure of the present invention.

In the figure: 1. a base; 2. a polishing device; 21. a vertical plate; 22. a motor; 23. a polishing frame; 24. grinding; 3. a support mechanism; 31. a sliding seat; 32. a guide piece; 33. a connecting plate; 34. a support plate; 35. a threaded pipe; 36. a screw; 37. a turntable; 38. a fixed tube; 39. lifting the seat; 310. a supporting seat; 311. a first knob; 312. compressing the strips; 4. a limiting mechanism; 41. a limiting seat; 42. cutting; 43. a baffle plate; 44. a second knob; 5. and a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, an edge grinding device for a high-precision bearing shaping roller for rail transit includes a base 1, a grinding device 2 and a supporting mechanism 3 are mounted on the upper surface of the base 1, a limiting mechanism 4 is arranged on the outer surface of the supporting mechanism 3, an air cylinder 5 is mounted at the bottom of the base 1, the grinding device 2 includes a vertical plate 21 welded and fixed with the base 1, a motor 22 is mounted on the outer side of the vertical plate 21, a grinding frame 23 is sleeved on the output end of the motor 22, a grinding plate 24 is fixed inside the grinding frame 23, the supporting mechanism 3 includes a sliding seat 31, a guide plate 32 is welded at the bottom of the sliding seat 31, a connecting plate 33 is welded at one end of the guide plate 32, a supporting plate 34 and a threaded pipe 35 are welded on the upper surface of the sliding seat 31, a screw 36 is connected with the inner side of the top of the threaded pipe 35, a turntable 37 is welded on the outer surface of the screw 36, a fixed pipe 38 is welded at the top of the supporting plate 34, a lifting seat 39 is clamped and arranged on the inner side of the bottom of the fixed pipe 38, a supporting seat 310 is welded with a first knob 311, a first knob 311 is connected with a pressing strip 312 through a rotating shaft at the bottom of the first knob.

In this embodiment, stop gear 4 includes spacing seat 41, spacing seat 41 welds in fixed pipe 38 surface, its inside card is equipped with cutting 42, cutting 42 one end welding has baffle 43, baffle 43 is located the one end outside of fixed pipe 38, spacing seat 41 surface threaded connection has second knob 44, second knob 44 one end is run through and is extended to inside one side of spacing seat 41, and with cutting 42 surface contact, guide vane 32 one end is run through and is extended to the bottom outside of base 1, base 1 surface is seted up with guide vane 32 complex waist shape hole, guide vane 32 surface welding has spacing piece, guide vane 32 surface spacing piece upper surface and base 1 bottom laminating, grinding frame 23 is funnel-shaped structure, be provided with the chip groove between abrasive disc 24, screw rod 36 top and lifting seat 39 bottom swing joint, fixed pipe 38 bottom is provided with the guide way with lifting seat 39 complex, pressing strip 312 card is located the top inboard of fixed pipe 38, fixed pipe 38 top inboard is provided with pressing strip 312 complex guide way.

The working principle is as follows: firstly, the limiting mechanism 4 and the supporting mechanism 3 are adjusted according to the size of the roller, when the limiting mechanism 4 is adjusted, in order to ensure the extending length of the roller from one end in the fixed pipe 38 and adapt to the shrinkage of the air cylinder 5, the second knob 44 is firstly rotated to enable the slip 42 to slide in the limiting seat 41, so that the distance from the baffle 43 to the outer side of one end of the fixed pipe 38 is changed, further the extending length of the roller from the fixed pipe 38 is ensured, the second knob 44 is rotated to enable one end of the second knob to be closely contacted with the slip 42, the effect of locking the baffle 43 is achieved, thus when the rollers in the same batch are installed, one end of the rollers is contacted with the baffle 43, the extending length of the other end of the rollers from the fixed pipe 38 is rated, then the height of the rollers is adjusted, the rollers are clamped and then concentrically arranged with the output end of the motor 22, the edge grinding is uniform, only the rotary table 37 is rotated according to the diameter of the roller, at this time, the screw 36 rotates in the threaded pipe 35, so that the height of the lifting seat 39 is changed, so that the supporting seat 310 is adjusted up and down, the supporting effect of the roller is ensured, further, the first knob is rotated, the roller 311, the roller is pressed down, and the roller 312 is pressed, thereby completing the operation of the roller installation.

Further, begin to carry out the processing work, motor 22 is rotatory, drive grinding rack 23 and rotate at a high speed, grinding rack 23 internally mounted has abrasive disc 24, and grinding rack 23 erects the cross-section inner wall and is 45 settings, thus, under the drive of cylinder 5, the flexible end pulling connecting plate 33 of cylinder 5 makes sliding seat 31 antedisplacement, thereby insert grinding rack 23 with roller one end in, make its edge and abrasive disc 24 contact, accomplish the work of polishing, be provided with the chip groove between the abrasive disc 24, make things convenient for the chip removal, guarantee the effect of polishing.

Example two

On the basis of the first embodiment, the utility model provides a technical scheme:

when the roller is clamped, the first knob 311 is not used for controlling the pressing strip 312, and hydraulic or air pressure elements are directly used for controlling, so that the clamping effect is effectively guaranteed due to higher cost, the clamping force is easy to be overlarge, scratches are formed on the surface of the roller, and the reliability of the bearing is influenced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The edge grinding device for the high-precision bearing shaping roller for rail transit comprises a base (1) and is characterized in that a grinding device (2) and a supporting mechanism (3) are mounted on the upper surface of the base (1), a limiting mechanism (4) is arranged on the outer surface of the supporting mechanism (3), and an air cylinder (5) is mounted at the bottom of the base (1);

the polishing device (2) comprises a vertical plate (21) fixedly welded with the base (1), a motor (22) is installed on the outer side of the vertical plate (21), a polishing frame (23) is sleeved at the output end of the motor (22), and a polishing disc (24) is fixed inside the polishing frame (23);

supporting mechanism (3) are including sliding seat (31), sliding seat (31) bottom welding has guide vane (32), guide vane (32) one end welding has connecting plate (33), and sliding seat (31) upper surface welding has backup pad (34) and screwed pipe (35), the inboard threaded connection in screwed pipe (35) top has screw rod (36), screw rod (36) skin weld has carousel (37), backup pad (34) top welding has fixed pipe (38), fixed pipe (38) bottom inboard card is equipped with lifting seat (39), lifting seat (39) top welding has supporting seat (310), and fixed pipe (38) top threaded connection has first knob (311), first knob (311) bottom pivot is connected with compresses tightly strip (312).

2. The edge grinding device for the high-precision bearing shape-modifying roller for the rail transit as claimed in claim 1, wherein the limiting mechanism (4) comprises a limiting seat (41), the limiting seat (41) is welded on the outer surface of the fixed pipe (38), an inserting strip (42) is clamped inside the limiting seat (41), a baffle (43) is welded at one end of the inserting strip (42), the baffle (43) is located outside one end of the fixed pipe (38), a second knob (44) is connected to the outer surface of the limiting seat (41) in a threaded manner, and one end of the second knob (44) penetrates through and extends to the inside of one side of the limiting seat (41) and is in contact with the outer surface of the inserting strip (42).

3. The edge grinding device for the high-precision bearing shaping roller for the rail transit as claimed in claim 1, wherein one end of the guide piece (32) penetrates through and extends to the outer side of the bottom of the base (1), and a waist-shaped hole matched with the guide piece (32) is formed in the surface of the base (1).

4. The edge grinding device for the high-precision bearing shaping roller for the rail transit as claimed in claim 1, wherein a limiting piece is welded on the surface of the guide piece (32), and the upper surface of the limiting piece on the surface of the guide piece (32) is attached to the bottom of the base (1).

5. The edge grinding device for the high-precision bearing shaping roller for the rail transit as claimed in claim 1, wherein the grinding frame (23) is in a funnel-shaped structure, and chip discharge grooves are arranged between the grinding sheets (24).

6. The edging device for the trimming roller of the high-precision bearing for rail transit according to claim 1, characterized in that the top of the screw (36) is movably connected with the bottom of the lifting seat (39), and the bottom of the fixed pipe (38) is provided with a guide groove matched with the lifting seat (39).

7. The edge grinding device for the high-precision bearing shaping roller for the rail transit as claimed in claim 1, wherein the pressing strip (312) is clamped on the inner side of the top of the fixed tube (38), and a guide groove matched with the pressing strip (312) is arranged on the inner side of the top of the fixed tube (38).