CN111975625A

CN111975625A - Refined inner ring and outer ring polishing system for metal piston ring

Info

Publication number: CN111975625A
Application number: CN202010878635.7A
Authority: CN
Inventors: 萧思丽; 李艳芝
Original assignee: 萧思丽
Current assignee: WUXI WEIYIFA PRECISION MACHINERY Co.,Ltd.
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-11-24
Anticipated expiration: 2040-08-27
Also published as: CN111975625B

Abstract

A refined inner ring and outer ring polishing system for a metal piston ring comprises a workbench, a supporting column, an inner polishing device, an outer polishing device, a driving device and a large bearing, wherein the large bearing is arranged on the workbench and used for mounting the inner polishing device; interior grinder includes interior grinding block, moves back and lets groove, chuck groove, flexible tooth piece, torque motor, rotary drum, end section of thick bamboo, mounting groove and fluted disc. In the actual operation process, the bearing device is arranged between the metal piston rings, the bearing device can prevent metal scraps from being excessively accumulated between the piston rings and the grinding block in the grinding process, and the convex blocks embedded in the metal rings prevent the metal piston rings from being extruded and deformed by the outer grinding block, so that the grinding quality of the metal piston rings is improved.

Description

Refined inner ring and outer ring polishing system for metal piston ring

Technical Field

The invention relates to the technical field of diesel engine piston ring processing, in particular to a refined inner ring and outer ring polishing system for a metal piston ring.

Background

The grinding machine is a grinding machine for grinding the surface of a workpiece by using a grinding tool coated with or embedded with an abrasive. The grinding machine is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in workpieces, and the main types of the grinding machine are a disc type grinding machine, a rotating shaft type grinding machine and various special grinding machines.

The technical scheme of the existing metal piston ring grinding machine is that a grinding machine is used for rotatably grinding the inner side wall of a metal piston ring, then the outer side wall of the metal piston ring is ground by a grinding belt machine through manual intervention, and grinding of the inner ring and the outer ring of the metal piston ring is completed.

The above prior art solutions have the following drawbacks: only one metal piston ring can be polished at one time, and the polishing process of the inner ring and the outer ring is separately performed, so that the working efficiency is low; the process of polishing needs a large amount of manual operation, has increaseed staff's working strength and work precision, and degree of automation is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a refined inner ring and outer ring polishing system for a metal piston ring, which has the effects of improving the working efficiency of polishing and reducing manual operation in the process of grinding the refined inner ring and outer ring of the metal piston ring.

The above object of the present invention is achieved by the following technical solutions:

a refined inner ring and outer ring polishing system for a metal piston ring comprises a workbench, a supporting column, an inner polishing device, an outer polishing device, a driving device and a large bearing, wherein the large bearing is arranged on the workbench and used for mounting the inner polishing device;

the inner grinding device comprises an inner grinding block, a yielding groove, a chuck groove, a telescopic tooth block, a torque motor, a rotary drum, a bottom cylinder, a mounting groove and a fluted disc, the fluted disc is rotatably arranged at one end of the big bearing far away from the workbench, the bottom cylinder is coaxially and fixedly arranged at one end of the fluted disc far away from the workbench, the torsion motor is embedded at one end of the bottom cylinder far away from the working platform, the rotating cylinder is coaxially arranged at one side of the bottom cylinder far away from the working platform, the rotary drum is provided with an installation groove from top to bottom for the sliding installation of the torsion motor, the side wall of the installation groove is provided with a plurality of chuck grooves from top to bottom in sequence, the chuck is arranged in the chuck groove in a sliding way and is fixed with the output shaft of the torque motor, a plurality of receding grooves are uniformly arranged on the outer side wall of the rotary drum, the telescopic tooth block is slidably arranged in the receding groove and is in threaded connection with the chuck, and the inner grinding block is arranged at one end of the telescopic tooth block, which is far away from the outer side wall of the rotary drum;

the outer grinding device comprises an outer grinding block, a moving block, limiting moving grooves, a groove disc, a toothed ring and sliding grooves, the toothed ring is sleeved on the rotating drum and is rotationally connected with one end, away from the workbench, of the bottom drum, the sliding grooves are uniformly formed in one end, away from the workbench, of the toothed ring, one end of the sliding grooves is close to the rotating drum, the other end of the sliding grooves is far away from the rotating drum, the groove disc is sleeved on the rotating drum and is rotationally connected with the toothed ring, the limiting moving grooves are uniformly formed in the groove disc and vertically penetrate through the groove disc, the moving block is uniformly arranged in the limiting moving grooves, one end, close to the toothed ring, of the moving block slides in a limiting mode with the sliding grooves, the outer grinding block is fixedly mounted on the upper side wall of the moving block, grinding grooves are formed between the plurality of grinding blocks and the;

drive arrangement includes outer driving motor, interior screw rod and outer screw rod, interior driving motor locates on the workstation and the output shaft is close to the fluted disc, interior screw rod and interior driving motor output shaft fixed connection and interior screw rod mesh with the fluted disc mutually, and during operating condition, interior driving motor drives through interior screw rod drive fluted disc and rotates, outer driving motor locates on the workstation and the output shaft is close to the ring gear, outer screw rod and outer driving motor output shaft fixed connection and mesh with the ring gear mutually, and during operating condition, outer driving motor accessible outer screw rod drive ring gear rotates.

As a preferable technical scheme, the grinding device further comprises a cover table, the cover table comprises a lifting cylinder, a cover disc and a fixing plate, the fixing plate is fixedly installed at one end, far away from the workbench, of the supporting column, the lifting cylinder is fixedly installed on the side wall, close to the outer grinding device, of the supporting column and extends downwards, and the cover disc is fixedly installed at one end, far away from the fixing plate, of the lifting cylinder.

As a preferable technical scheme, the bearing device comprises an upper bearing ring, a lower bearing ring and bearing columns, the upper bearing ring and the lower bearing ring are connected through the bearing columns, and one sides, far away from each other, of the upper bearing ring and the lower bearing ring are respectively abutted against metal piston rings.

As a preferable technical scheme, the bearing ring further comprises a convex block, and the convex block is arranged on one side wall of the lower bearing ring, close to the metal piston ring, and is embedded with the metal piston ring for limiting.

As a preferable technical scheme of the invention, one end of the cover disc, which is close to the outer grinding device, is provided with a cover ring, and the cover ring can extend into the grinding groove under the driving of the lifting cylinder.

According to a preferred technical scheme of the invention, the outer side wall of the rotary drum is sleeved with a bearing ring and is positioned between the gear ring and the bottom drum.

In summary, the invention includes at least one of the following beneficial technical effects:

1. in the actual operation process, when the inner side wall of the metal piston ring is ground, a plurality of metal piston rings and a bearing device can be sequentially placed in a grinding groove, an outer driving motor enables outer grinding blocks to mutually approach and clamp the metal piston ring, a torsion motor drives an inner grinding block to be close to the inner side wall of the metal piston ring and form a certain friction conflict, and at the moment, the inner driving motor enables the grinding blocks and the metal piston ring to relatively rotate through a fluted disc so as to polish the inner ring of the metal piston ring; when the outer side wall of the metal piston ring is ground, the torque motor drives the grinding block to extrude the inner wall of the metal piston ring to fix the metal piston ring, the outer driving motor drives the outer grinding block to form smaller friction and conflict with the metal piston ring, then the inner driving motor drives the metal piston ring fixed on the outer side of the inner grinding block to rotate relative to the outer grinding block, so that the outer side wall of the metal piston ring is ground, the automation degree of grinding the metal piston ring is improved in the whole process, a plurality of piston rings can be simultaneously ground, and the effects of improving the grinding work efficiency and reducing manual operation are achieved;

2. in the actual operation process, a bearing device is arranged between the metal piston rings, the bearing device can prevent metal debris from being excessively accumulated between the piston rings and the grinding block in the grinding process, and the convex blocks embedded in the metal rings prevent the metal piston rings from being extruded and deformed by the outer grinding block, so that the grinding quality of the metal piston rings is improved;

3. at actual operation's in-process, the closing cap descends to the take the altitude under the drive of lift cylinder, and leaves a silk gap between the grinding groove, effectively prevents that metal piece from splashing at the in-process of polishing, has realized the effect of protection operating personnel safety and equipment safety.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention.

Fig. 4 is a partially enlarged view of the portion B of fig. 2 according to the present invention.

Fig. 5 is a schematic view of the structure between the inner grinding block, the relief groove, the chuck and the retractable tooth block according to the present invention.

FIG. 6 is a schematic structural view of the outer grinding block, the moving block and the limiting moving groove of the present invention.

Fig. 7 is a schematic structural diagram of the moving block, the toothed ring and the sliding groove of the invention.

Fig. 8 is a schematic view of the structure of the chuck of the present invention.

Fig. 9 is a schematic structural view of the receiving device and the bump.

In the figure, 1, a workbench; 2. a support pillar; 3. an inner grinding device; 4. an outer grinding device; 5. a drive device; 6. a large bearing; 31. an inner grinding block; 32. a receding groove; 33. a chuck; 34. a chuck slot; 35. a retractable tooth block; 36. a torque motor; 37. a rotating drum; 38. a bottom cylinder; 39. mounting grooves; 310. a fluted disc; 41. an outer grinding block; 42. a moving block; 43. a limiting moving groove; 44. a grooved disc; 45. a toothed ring; 46. a chute; 51. an external drive motor; 52. an internal drive motor; 53. an inner screw rod; 54. an outer screw rod; 7. covering the platform; 71. a lifting cylinder; 72. a cover plate; 73. a fixing plate; 8. a receiving device; 81. an upper bearing ring; 82. a lower bearing ring; 83. a support post; 9. a bump; 10. a cover ring; 11. and (5) bearing a ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-9, the refined inner and outer ring polishing system for the metal piston ring disclosed by the invention comprises a workbench 1 and a support column 2, and further comprises an inner polishing device 3, an outer polishing device 4, a driving device 5 and a large bearing 6, wherein the large bearing 6 is horizontally arranged on the workbench 1 in a press fit manner and is used for mounting the inner polishing device 3.

The inner grinding device 3 comprises an inner grinding block 31, a yielding groove 32, a chuck 33, a chuck groove 34, a telescopic tooth block 35, a torque motor 36, a rotary drum 37, a bottom cylinder 38, a mounting groove 39 and a fluted disc 310, wherein the fluted disc 310 is horizontally and rotatably connected to one end of the large bearing 6 far away from the workbench 1, the bottom cylinder 38 is coaxially and fixedly mounted at one end of the fluted disc 310 far away from the workbench 1 in a welding mode, and the bottom cylinder 38 and the gear are both made of metal materials with high strength and difficult corrosion; the torque motor 36 is embedded and installed at one end of the bottom barrel 38 far away from the workbench 1 in a bolt and nut mode, an output shaft is vertically arranged upwards, the rotating barrel 37 is coaxially installed at one side of the bottom barrel 38 far away from the workbench 1 in a bolt and nut mode, and the rotating barrel 37 is made of metal materials with high strength and light weight; a mounting groove 39 which is arranged from top to bottom and is used for the sliding installation of the torsion motor 36 is vertically arranged on the rotary drum 37 through the grooving machine, a plurality of chuck grooves 34 are also horizontally arranged on the side wall of the mounting groove 39 from top to bottom through the grooving machine, and the number is preferably 4-5; the chuck 33 is rotatably and slidably arranged in the chuck groove 34 and fixed with an output shaft of the torque motor 36 in a welding mode, and 4 yielding grooves 32 are uniformly formed in the outer side wall of the rotary drum 37 by using a grooving machine; the telescopic tooth block 35 is slidably arranged in the yielding groove 32 and is in threaded connection with the chuck 33, and lubricating oil is coated in the chuck groove 34 and the yielding groove 32 to reduce resistance in movement; the inner grinding block 31 is arranged on one end of the telescopic tooth block 35 far away from the outer side wall of the rotary drum 37 in a welding mode, and the grinding block 31 is made of high-strength grinding stones.

The external grinding device 4 comprises an external grinding block 41, a moving block 42, a limiting moving groove 43, a groove disc 44, a gear ring 45 and a sliding groove 46, and in order to prolong the service life of the external grinding device 4, the outer side wall sleeve of the rotary drum 37 is provided with a bearing ring 11 in a press fit mode and is positioned between the gear ring 45 and the bottom cylinder 38. The gear ring 45 is sleeved on the rotary drum 37 in a sliding manner, is rotatably connected with one end of the bottom barrel 38 away from the workbench 1, and is coated with lubricating oil; the sliding chutes 46 are uniformly arranged at one end of the gear ring 45 far away from the workbench 1 through the grooving machine, one end of the gear ring is close to the rotary drum 37, and the other end of the sliding chute 46 is far away from the rotary drum 37; the fluted disc 44 is sleeved on the rotary drum 37, is rotationally connected with the toothed ring 45 and is coated with lubricating oil; a plurality of limit moving grooves 43 are uniformly arranged on the groove disc 44 in a trapezoidal shape by using a grooving machine and vertically penetrate through the groove disc 44, and the long side of the trapezoid is close to one end of the workbench 1; the moving block 42 is uniformly arranged in the limiting moving groove 43, one end of the moving block close to the toothed ring 45 is limited to slide with the sliding groove 46, the moving block 42, the grooved disc 44 and the toothed ring 45 are made of high-strength metal materials, and lubricating oil is coated on the grooved disc 44 and the toothed ring 45; the outer grinding block 41 is fixedly installed on the upper side wall of the moving block 42 in a welding mode, the outer grinding block 41 is made of grinding stones with high strength, high toughness and large mass, a grinding groove is formed between the plurality of grinding blocks 31 and the inner grinding device 3 when the grinding blocks are close to each other, and metal piston rings are placed in the grinding groove for grinding.

The driving device 5 comprises an external driving motor 51, an internal driving motor 52, an internal screw 53 and an external screw 54, the internal driving motor 52 is fixed on the worktable 1 by means of bolts and nuts, the output shaft of the internal driving motor 52 is close to the fluted disc 310, the internal screw 53 is fixedly connected with the output shaft of the internal driving motor 52 by means of bolts and nuts, the internal screw 53 is meshed with the fluted disc 310, when in working state, the inner driving motor 52 drives the fluted disc 310 to rotate through the inner screw 53, the outer driving motor 51 is fixedly arranged on the worktable 1 in a bolt and nut mode, the output shaft is close to the toothed ring 45, the outer screw 54 is fixedly connected with the output shaft of the outer driving motor 51 in a bolt and nut mode and is meshed with the toothed ring 45, when in a working state, the external driving motor 51 can drive the toothed ring 45 to rotate through the external screw rod 54, and both the external screw rod 54 and the internal screw rod 53 are made of metal materials with higher strength.

In order to prevent metal debris from splashing, a cover table 7 is arranged on the supporting column 2, the cover table 7 comprises a lifting cylinder 71, a cover disc 72 and a fixing plate 73, the fixing plate 73 is vertically installed at one end, far away from the workbench 1, of the supporting column 2 in a welding mode, the lifting cylinder 71 is vertically installed and fixed on the side wall, close to the outer grinding device 4, in a welding mode and extends downwards, the cover disc 72 is horizontally fixed at one end, far away from the fixing plate 73, of the lifting cylinder 71 in a welding mode, and the cover table 7 is located right above the inner grinding device 3.

In order to obtain a better polishing effect, a bearing device 8 is arranged between the metal piston rings, the bearing device 8 comprises an upper bearing ring 81, a lower bearing ring 82 and bearing columns 83, the upper bearing ring 81 and the lower bearing ring 82 are vertically connected in a welding mode through a plurality of bearing columns 83, the upper bearing ring 81 is parallel to the lower bearing ring 82, and one sides, far away from each other, of the upper bearing ring 81 and the lower bearing ring 82 are respectively abutted against the metal piston rings; a gap is formed in the metal piston ring, a convex block 9 is arranged on one side wall of the lower bearing ring 82 close to the metal piston ring, a limit position is embedded in the gap of the metal piston ring, and the convex block 9 is connected with the lower bearing ring 82 in a welding mode and does not exceed the range of the gap; the upper receiving ring 81, the lower receiving ring 82, the receiving post 83 and the protrusion 9 are made of metal materials with smooth surfaces and high strength, and the interval stack of the receiving device 8 and the metal piston ring cannot exceed the inner grinding block 31 at the uppermost end.

In order to obtain a better polishing effect, one end of the cover disc 72, which is close to the outer polishing device 4, is provided with a cover ring 10, the cover ring 10 can be driven by the lifting cylinder 71 to extend into the polishing groove and is positioned right above the bearing device 8, and a wire gap is reserved between the cover ring and the bearing device, and the cover disc 72 is made of a metal material with high strength and smooth surface; when in working condition, effectively prevent that the metal piece from splashing in the process of polishing.

The implementation principle of the embodiment is as follows: a plurality of metal piston rings and a bearing device 8 can be sequentially stacked and placed in a grinding groove, an external driving motor 51 drives a gear ring 45 to rotate so as to enable a moving block 42 which is limited and slid in a sliding groove 46 to slide, as the external grinding block 41 has large inertia and is easy to be under the limiting action of a limiting moving groove 43, a plurality of moving blocks 42 are mutually close to each other with the external grinding block 41 and clamp the metal piston rings, a driving chuck 33 of a torque motor 36 rotates so that a telescopic gear block 35 in threaded connection with the chuck 33 extends towards one side close to the external grinding block 41 in a yielding groove 32 to push the outer side wall of an internal grinding block 31 to be close to the inner side wall of the metal piston ring and form certain friction conflict, at the moment, the internal driving motor 52 rotates at high speed so that the internal grinding block 31 and the metal piston ring relatively rotate to polish the inner ring of the metal piston ring, after the inner ring is polished, the torque motor 36 continues to drive so that the, at this time, the external driving motor 51 drives in reverse direction to make the external grinding block 41 reduce the extrusion on the outer side wall of the metal piston ring until the external grinding block is in small friction contact, and then the internal driving motor 52 drives the metal piston ring clamped on the outer side of the internal grinding block 31 and the external grinding block 41 to rotate relatively so as to polish the outer side wall of the metal piston ring.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a metal piston ring refines interior outer lane system of polishing, includes workstation (1) and support column (2), its characterized in that: the grinding device is characterized by further comprising an inner grinding device (3), an outer grinding device (4), a driving device (5) and a large bearing (6), wherein the large bearing (6) is arranged on the workbench (1) and used for mounting the inner grinding device (3);

the inner grinding device (3) comprises an inner grinding block (31), a yielding groove (32), a chuck (33), a chuck groove (34), a telescopic tooth block (35), a torque motor (36), a rotary drum (37), a bottom drum (38), a mounting groove (39) and a fluted disc (310), wherein the fluted disc (310) is rotatably mounted at one end of a big bearing (6) far away from the workbench (1), the bottom drum (38) is coaxially and fixedly mounted at one end of the fluted disc (310) far away from the workbench (1), the torque motor (36) is embedded at one end of the bottom drum (38) far away from the workbench (1), the rotary drum (37) is coaxially mounted at one side of the bottom drum (38) far away from the workbench (1), the rotary drum (37) is provided with the mounting groove (39) which is arranged from top to bottom and is used for the torque motor (36) to slide, the mounting groove (39) is sequentially provided with the chuck grooves (34) from top to bottom from the side, the chuck (33) is slidably mounted in a chuck groove (34) and is fixed with an output shaft of the torque motor (36), a plurality of receding grooves (32) are uniformly formed in the outer side wall of the rotary drum (37), the telescopic tooth block (35) is slidably mounted in the receding grooves (32) and is in threaded connection with the chuck (33), and the inner grinding block (31) is arranged at one end, far away from the outer side wall of the rotary drum (37), of the telescopic tooth block (35);

the outer grinding device (4) comprises an outer grinding block (41), a moving block (42), a limiting moving groove (43), a groove disc (44), a gear ring (45) and sliding grooves (46), wherein the gear ring (45) is sleeved on the rotary drum (37) and is rotationally connected with one end, far away from the workbench (1), of the bottom drum (38), a plurality of sliding grooves (46) are uniformly arranged at one end, far away from the workbench (1), of the gear ring (45) and are close to the rotary drum (37), the other end of each sliding groove (46) is far away from the rotary drum (37), the groove disc (44) is sleeved on the rotary drum (37) and is rotationally connected with the gear ring (45), a plurality of limiting moving grooves (43) are uniformly arranged on the groove disc (44) and vertically penetrate through the groove disc (44), the moving block (42) is uniformly arranged in the limiting moving grooves (43) and is limited and slides with the sliding grooves (46) at one end, close to the gear ring (45), the outer grinding blocks (41) are fixedly arranged on the upper side wall of the moving block (42), a grinding groove is formed between the plurality of grinding blocks (31) and the inner grinding device (3) when the plurality of grinding blocks (31) are close to each other, and the metal piston ring is placed in the grinding groove for grinding;

drive arrangement (5) are including outer driving motor (51), interior driving motor (52), interior screw rod (53) and outer screw rod (54), interior driving motor (52) are located on workstation (1) and the output shaft is close to fluted disc (310), interior screw rod (53) and interior driving motor (52) output shaft fixed connection and interior screw rod (53) mesh with fluted disc (310) mutually, and during operating condition, interior driving motor (52) drive passes through interior screw rod (53) drive fluted disc (310) and rotates, outer driving motor (51) are located on workstation (1) and the output shaft is close to ring gear (45), outer screw rod (54) and outer driving motor (51) output shaft fixed connection and mesh with ring gear (45) mutually, and during operating condition, outer driving motor (51) accessible outer screw rod (54) drive ring gear (45) rotate.

2. The metal piston ring refining inner and outer ring grinding system as recited in claim 1, wherein: still including closing cap platform (7), closing cap platform (7) are including lift cylinder (71), bent cap (72) and fixed plate (73), the one end of workstation (1) is kept away from in support column (2) is fixed in fixed plate (73) installation, lift cylinder (71) installation is fixed on being close to the lateral wall of outer grinder (4), and extends the setting down, bent cap (72) installation is fixed in the one end that fixed plate (73) were kept away from in lift cylinder (71).

3. A metal piston ring refinement inner and outer ring grinding system as set forth in claim 1, wherein: still including adapting device (8), adapting device (8) are including last socket ring (81), lower socket ring (82) and socket post (83), go up socket ring (81) and be connected through a plurality of socket posts (83) with lower socket ring (82), go up socket ring (81) and the one side of keeping away from each other of lower socket ring (82) and contradict with the metal piston ring respectively.

4. A metal piston ring refinement inner and outer ring grinding system as set forth in claim 3 wherein: the piston ring bearing structure is characterized by further comprising a convex block (9), wherein the convex block (9) is arranged on one side wall, close to the metal piston ring, of the lower bearing ring (82) and is embedded and limited with the metal piston ring.

5. A metal piston ring refinement inner and outer ring grinding system as set forth in claim 2, wherein: one end of the cover disc (72) close to the outer grinding device (4) is provided with a cover ring (10), and the cover ring (10) can extend into the grinding groove under the driving of the lifting cylinder (71).

6. A metal piston ring refinement inner and outer ring grinding system as set forth in claim 1, wherein: the outer side wall of the rotary drum (37) is sleeved with a bearing ring (11) and is positioned between the gear ring (45) and the bottom drum (38).