CN117067085A - Surface polishing treatment equipment for engine crankshaft finish machining - Google Patents

Surface polishing treatment equipment for engine crankshaft finish machining Download PDF

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Publication number
CN117067085A
CN117067085A CN202311344962.4A CN202311344962A CN117067085A CN 117067085 A CN117067085 A CN 117067085A CN 202311344962 A CN202311344962 A CN 202311344962A CN 117067085 A CN117067085 A CN 117067085A
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CN
China
Prior art keywords
pushing
arc
fixed
annular frame
outer side
Prior art date
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Granted
Application number
CN202311344962.4A
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Chinese (zh)
Other versions
CN117067085B (en
Inventor
赵爱杰
顾成华
夏罗美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Tongye Machinery Co ltd
Original Assignee
Taizhou Tongye Machinery Co ltd
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Priority to CN202311344962.4A priority Critical patent/CN117067085B/en
Publication of CN117067085A publication Critical patent/CN117067085A/en
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Publication of CN117067085B publication Critical patent/CN117067085B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/35—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses surface polishing treatment equipment for finish machining of an engine crankshaft, and relates to the technical field of crankshaft machining, comprising two annular frames, wherein one ends of the two annular frames are in butt joint through rotation of a rotating shaft; the polishing machine comprises a crank neck, and is characterized in that the crank neck is provided with a plurality of locking pieces, the locking pieces are respectively arranged at the two ends of the annular frame, the locking pieces are respectively connected with the two ends of the annular frame, and the locking pieces are respectively connected with the two ends of the annular frame.

Description

Surface polishing treatment equipment for engine crankshaft finish machining
Technical Field
The invention relates to the technical field of crankshaft machining, in particular to surface polishing treatment equipment for engine crankshaft finish machining.
Background
The crankshaft is an important accessory on the engine, bears the power output function of the engine, an important index of the quality performance of the crankshaft is the surface roughness of the diameter of the crankshaft, if the use requirement is not met, destructive accidents such as engine tile burning and tile changing are easily caused, the whole engine is scrapped when serious, and the crankshaft is generally polished to improve the quality of the surface roughness.
The crankshaft generally comprises a main journal, a crank neck and a counterweight plate which is in butt joint with the crank neck, wherein a piston is in butt joint with the crank neck through a connecting rod, when a person polishes the crank neck, the crank neck and the inner side of the counterweight plate are polished, the counterweight plate is flat and easy to polish, but the crank neck is cylindrical, the cylindricity of the crank neck is difficult to guarantee during manual polishing, the obtained surface roughness is uneven, the removal amount is not easy to control, the roundness of a working surface is finally not very good, and the product is easy to damage, time and labor are wasted.
Disclosure of Invention
The invention aims to provide surface polishing treatment equipment for engine crankshaft finish machining, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the surface polishing treatment equipment for the finish machining of the engine crankshaft comprises two annular frames, wherein one ends of the two annular frames are in butt joint through rotation of a rotating shaft; the polishing machine comprises a crank neck, and is characterized by further comprising polishing paper, wherein openings are formed in two ends of the annular frame, the two ends of the polishing paper penetrate through the openings in a sliding mode, locking pieces for fixing the polishing paper are arranged at two ends of the annular frame, a pushing unit is arranged in the annular frame and used for pushing the polishing paper to be attached to the outer side of the crank neck; install in the butt joint spare that pivot one end was kept away from to the annular frame, the butt joint spare is used for annular frame lock, the outside of annular frame is fixed with the docking collar, just the arc frame has been installed in the docking collar slip, the outside of arc frame is fixed with the handle, just install drive unit in the arc frame, drive unit is used for driving after two locks annular frame rotates.
Preferably, the pushing unit comprises a plurality of external thread pipes in threaded connection with the annular frame, a plurality of pushing rods are in sliding connection with the external thread pipes, contact rollers in contact with the polishing paper are fixed at the bottoms of the pushing rods, pushing pieces used for pushing the pushing rods to move downwards are mounted at the bottoms of the external thread pipes, and the pushing unit can enable the polishing paper to be attached to the crank neck and facilitate polishing.
Preferably, the pushing piece comprises an abutting plate fixed at the bottom of the external thread pipe, an abutting ring is fixed at the outer side of the bottom end of the pushing rod, a pushing spring abutting against the abutting ring and the abutting plate is sleeved on the outer side of the pushing rod, and the pushing piece enables the contact roller to move outwards, so that polishing paper is attached to the outer side of the crank neck.
Preferably, the pushing unit further comprises a limiting component propped against the outer side of the crank neck, the limiting component comprises an adjusting rod in the annular frame in a threaded insertion mode, a limiting roller propped against the outer side of the polishing paper is fixed at the bottom of the adjusting rod, an adjusting cap is fixed on the outer side of the top of the adjusting rod and the outer threaded pipe, and the designed pushing unit meets the pushing of the polishing paper and enables the polishing paper to be attached to the outer side of the crank neck.
Preferably, the butt joint piece is including fixing at one of them the arc pole of annular frame outer end, another annular frame outer end open with the arc mouth of arc pole looks adaptation, two the adjacent outer end of annular frame is fixed with the magnetic attraction piece of mutual attraction, and the butt joint piece of design satisfies the lock butt joint with two docking rings.
Preferably, the driving unit comprises a driving motor fixed on the outer side of the arc-shaped frame through a motor frame, a driving gear is fixed at the output end of the driving motor through a coupler, a plurality of tooth grooves meshed with the driving gear are formed in the outer side of the docking ring at equal angles, and the designed driving unit can generate power so that the two docking rings can rotate.
Preferably, the butt joint ring with open flutedly in the annular frame, just the arc frame outside is fixed with recess looks adaptation's arc, the cross sectional shape of butt joint ring is the U type, just the cross sectional shape of arc frame is the L type, and the recess and the arc of design make the arc frame remove more stably.
Preferably, the outside of arc frame be fixed with two with the stable arc board of laminating mutually in the docking collar outside, the stable arc board of design can make the arc frame remove more stably.
Preferably, the locking piece comprises two clamping plates fixed at the outer side of the opening, two ends of the polishing paper extend out of the opening and are positioned in the two clamping plates, one clamping plate is internally threaded and inserted with a tightening column which abuts against the polishing paper, the width of the two ends of the polishing paper is smaller than that of the middle part, the width of the middle part of the polishing paper is larger than that of the annular frame, and the designed locking piece is used for realizing clamping and positioning of the polishing paper.
Preferably, the cleaning device further comprises a cleaning assembly, the cleaning assembly comprises wiping paper, the width of the two ends of the wiping paper is smaller than that of the middle part, the middle part of the wiping paper is provided with a water outlet, a through hole is formed in the adjusting rod, the through hole is communicated with the limiting roller, a butt joint end is inserted into the screw thread at the top of the adjusting rod, the outer end of the butt joint end is in butt joint with the water tank through a water pipe, the through hole is located at the position of the water outlet, and the designed cleaning assembly can effectively clean scraps generated by polishing.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the two buckled annular frames are buckled on the outer side of the crank neck, the annular frames are held by the hand-held handles, then the pushing unit is used for enabling the polishing paper in the annular frames to be attached to the outer side of the crank neck, and the driving unit is matched for enabling the annular frames to rotate, so that the polishing paper can be polished along the outer side of the crank neck, uniform polishing can be realized, flatness of the outer side of the crank neck is ensured, and surface roughness is uniform;
2. the arc-shaped frame designed by the invention has a simple structure, can be conveniently buckled on the outer side of the crank neck, and meanwhile, the designed locking piece enables the polishing paper to be simply inserted and detached, and can be inserted with wiping paper to remove the residual scraps on the outer side of the crank neck.
Drawings
FIG. 1 is a schematic view of the structure of the present invention after being docked with an engine crankshaft;
FIG. 2 is a schematic view of the present invention interfacing with a portion of a crankshaft;
FIG. 3 is a schematic view of another angle of the present invention after being docked with a portion of a crankshaft;
FIG. 4 is an overall side view of the present invention;
FIG. 5 is a schematic view of the present invention with the handle removed entirely;
FIG. 6 is a schematic view showing the open state of two arc frames according to the present invention;
FIG. 7 is a schematic view of an arc frame disengaged docking ring of the present invention;
FIG. 8 is a schematic view of the present invention in a docked state with a cleaning assembly.
In the figure: 1. an annular frame; 2. polishing paper; 3. a locking member; 4. a pushing unit; 5. a butt joint member; 6. a docking collar; 7. an arc frame; 8. a handle; 9. a driving unit; 10. an external threaded tube; 11. a push rod; 12. a contact roller; 13. a pushing member; 14. an abutting plate; 15. a support ring; 16. pushing a spring; 17. a limit component; 18. an adjusting rod; 19. a limit roller; 20. an adjustment cap; 21. an arc-shaped rod; 22. an arc-shaped opening; 23. a magnetic suction block; 24. a driving motor; 25. a drive gear; 26. tooth slots; 27. a groove; 28. an arc-shaped plate; 29. stabilizing the arc plate; 30. a clamping plate; 31. tightening the column; 32. a through hole; 33. butt joint ends; 34. a water outlet; 35. a cleaning assembly; 36. and wiping the paper.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3 and 6, a surface polishing treatment device for engine crankshaft finish in the drawings comprises two annular frames 1, wherein one ends of the two annular frames 1 are in butt joint through rotation of a rotating shaft; the polishing machine further comprises polishing paper 2, openings are formed in the two ends of the annular frame 1, the two ends of the polishing paper 2 penetrate through the openings in a sliding mode, locking pieces 3 used for fixing the polishing paper 2 are installed at the two ends of the annular frame 1, a pushing unit 4 is installed in the annular frame 1, and the pushing unit 4 is used for pushing the polishing paper 2 to be attached to the outer side of a crank neck; install in the butt joint piece 5 that annular frame 1 kept away from pivot one end, butt joint piece 5 is used for annular frame 1 lock, and annular frame 1's the outside is fixed with docking collar 6, and the intraductal arc frame 7 that inserts of docking collar 6, and the outside of arc frame 7 is fixed with handle 8, and installs drive unit 9 in the arc frame 7, and drive unit 9 is used for driving the annular frame 1 rotation after two locks.
Referring to fig. 4-6, the pushing unit 4 in the drawing includes a plurality of externally threaded pipes 10 in threaded connection with the annular frame 1, a pushing rod 11 is slidably connected in the plurality of externally threaded pipes 10, a contact roller 12 contacting with the polishing paper 2 is fixed at the bottom of the pushing rod 11, and a pushing piece 13 for pushing the pushing rod 11 to move downwards is installed at the bottom of the externally threaded pipe 10;
referring to fig. 4, the pushing member 13 includes an abutment plate 14 fixed at the bottom of the externally threaded tube 10, an abutment ring 15 is fixed at the outer side of the bottom end of the pushing rod 11, and a pushing spring 16 abutting against the abutment ring 15 and the abutment plate 14 is sleeved at the outer side of the pushing rod 11.
The pushing unit 4 realizes the principle of laminating the polishing paper 2 and the outer side of the crank neck: firstly, personnel install the polishing paper 2 first, then push the ring 15 through push spring 16 extrusion for the contact roller 12 of push rod 11 outer end extrudees mutually with the polishing paper 2, thereby makes the polishing paper 2 can laminate mutually with the crank neck outside, makes follow-up annular frame 1 when rotating, can drive the polishing paper 2 and rotate along the crank neck outside, realizes even polishing.
Meanwhile, referring to fig. 6, the butt joint part 5 in the drawing includes an arc rod 21 fixed at the outer end of one of the annular frames 1, an arc opening 22 adapted to the arc rod 21 is formed at the outer end of the other annular frame 1, and magnetic attraction blocks 23 are fixed at the adjacent outer ends of the two annular frames 1.
It should be noted that: the arc-shaped rod 21 and the arc-shaped opening 22 are inserted and connected through the design, and then the two magnetic attraction blocks 23 are matched to magnetically attract each other, so that the two annular frames 1 can be kept in a butt joint state after being buckled.
Meanwhile, referring to fig. 4 and 5, in the drawings, the driving unit 9 includes a driving motor 24 fixed on the outer side of the arc frame 7 through a motor frame, a driving gear 25 is fixed at the output end of the driving motor 24 through a coupling, and a plurality of tooth grooves 26 meshed with the driving gear 25 are formed on the outer side of the docking ring 6 at equal angles;
principle of the driving unit 9 driving the annular frame 1 to rotate: by the rotation of the driving motor 24, the driving gear 25 is driven to rotate, and the butt joint ring 6 and the annular frame 1 synchronously rotate due to the mutual engagement between the driving gear 25 and the tooth grooves 26, so that the polishing paper 2 is driven to rotate around the crank neck.
In this scheme, referring to fig. 7, in order to make the docking between the docking ring 6 and the arc frame 7 stable, grooves 27 are formed in the docking ring 6 and the annular frame 1, and arc plates 28 matched with the grooves 27 are fixed on the outer side of the arc frame 7, meanwhile, the cross section of the docking ring 6 is designed to be of a U shape, and the cross section of the arc frame 7 is designed to be of an L shape;
simultaneously, still be fixed with two and dock ring 6 outside mutually laminating stable arc board 29 in the outside of arc frame 7 for arc frame 7 can be more stable when driving dock ring 6 rotation.
In this scheme, referring to fig. 6, the locking member 3 in the drawing includes two clamping plates 30 fixed at the outer side of the opening, two ends of the polishing paper 2 extend out of the opening and are located in the two clamping plates 30, wherein a tightening post 31 propped against the polishing paper 2 is inserted into one clamping plate 30 in a threaded manner, the width of two ends of the polishing paper 2 is smaller than the width of the middle part, and the width of the middle part of the polishing paper 2 is larger than the width of the annular frame 1;
it should be noted that: the tightening column 31 is designed to rotate so that the bottom of the tightening column is propped against the polishing paper 2, so that the positioning operation of the polishing paper 2 is realized, and meanwhile, the width of the middle part of the polishing paper 2 is larger than that of the annular frame 1, so that the polishing operation can be more thorough when the outer side of the crank neck is polished.
The method for realizing uniform polishing and avoiding uneven polishing on the outer side of the crank neck comprises the following steps: firstly, a person firstly inserts two ends of polishing paper 2 into an opening, then uses a tightening column 31 in a locking piece 3 at one end of an annular frame 1 to tighten the polishing paper 2, and firstly loosens the other end of the polishing paper, then uses a pushing spring 16 in a pushing unit 4 to press a pushing rod 11, so that a contact roller 12 can prop against the outer side of the polishing paper 2, and further can be attached to the outer side of a crank neck, and then uses a locking piece 3 at the other end to tighten the polishing paper 2, so that the polishing paper 2 is locked;
after that, the personnel again with two ring frame 1 locks of installing the paper 2 of polishing, peg graft with arc mouth 22 through arc pole 21 to cooperate magnetism to inhale piece 23 and adsorb mutually, thereby make two ring frame 1 locks, later, drive driving gear 25 through driving motor 24 and rotate, drive docking ring 6 and ring frame 1 and rotate, thereby make the paper 2 of polishing carry out even polishing along the crank neck outside, thereby make the polishing effect better, better even.
Example 2
Referring to fig. 4-6, this embodiment is further described with respect to example 1, which is different in that additional components of the pushing unit 4 are added.
Specifically, the pushing unit 4 further comprises a limiting component 17 propped against the outer side of the crank neck, the limiting component 17 comprises an adjusting rod 18 which is inserted into the annular frame 1 in a threaded manner, a limiting roller 19 propped against the outer side of the polishing paper 2 is fixed at the bottom of the adjusting rod 18, and an adjusting cap 20 is fixed at the outer sides of the top of the adjusting rod 18 and the outer threaded tube 10.
In this embodiment: after the two annular frames 1 are buckled by a person, the person rotates the adjusting cap 20 to enable the adjusting rod 18 to correspondingly move downwards, so that the limiting roller 19 at the bottom is propped against the outer side of the polishing paper 2, and the crank neck is positioned between the circle centers of the two buckled annular frames 1 by matching with the propping of the two limiting rollers 19, so that the annular frames 1 rotate more smoothly;
also to be described is: when polishing the crank necks with different thicknesses, in order to enable the pushing spring 16 to keep a certain force of the contact roller 12 against the polishing paper 2, a person can rotate the adjusting cap 20 to correspondingly rotate the external threaded pipe 10, so that the distance between the abutting plate 14 and the abutting ring 15 is adjusted, the elasticity of the pushing spring 16 is increased or reduced, and the fact that the polishing paper 2 is attached to and polished with the crank necks with different thicknesses is met.
Example 3
Referring to fig. 8, this embodiment is further described with respect to other examples, which differ in the design of the cleaning assembly 35 to remove debris from polishing.
Specifically, still include clean subassembly 35, clean subassembly 35 includes wiping paper 36, and the both ends width of wiping paper 36 is less than the width of mid portion, and the mid portion of wiping paper 36 has delivery port 34 separately, is equipped with through-hole 32 in the regulation pole 18, and through-hole 32 is linked together with spacing roller 19, and the top screw thread grafting of regulation pole 18 has butt joint end 33, and butt joint end 33 outer end passes through the water pipe and dock with the water tank, and through-hole 32 is located delivery port 34 position department.
It should be noted that: after polishing, the personnel installs the wiping paper 36 according to the mode of the polishing paper 2, then, the personnel is plugged with the top of the adjusting rod 18 by utilizing the butt joint end 33 again, the water tank is matched for providing a water source, then, the annular frame 1 can rotate positively and negatively by 90 degrees through the driving motor 24 in the driving unit 9, the water source is sprayed on the outer side of the crank neck through the water outlet 34, and the residual scraps can be wiped and removed by matching with the rotation of the wiping paper 36.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A surface finish treatment apparatus for engine crankshaft finishing, comprising:
the device comprises two annular frames (1), wherein one ends of the two annular frames (1) are in butt joint through rotation of a rotating shaft;
the method is characterized in that: further comprises:
the polishing machine comprises polishing paper (2), wherein openings are formed in two ends of an annular frame (1), two ends of the polishing paper (2) penetrate through the openings in a sliding mode, locking pieces (3) used for fixing the polishing paper (2) are arranged at two ends of the annular frame (1), a pushing unit (4) is arranged in the annular frame (1), and the pushing unit (4) is used for pushing the polishing paper (2) to be attached to the outer side of a crank neck;
install in butt joint spare (5) of pivot one end is kept away from to annular frame (1), butt joint spare (5) are used for annular frame (1) lock, the outside of annular frame (1) is fixed with docking collar (6), just arc frame (7) have been installed to the interior slip of docking collar (6), the outside of arc frame (7) is fixed with handle (8), just install drive unit (9) in arc frame (7), drive unit (9) are used for driving behind two locks annular frame (1) rotate.
2. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 1, wherein: the pushing unit (4) comprises a plurality of external thread pipes (10) which are in threaded connection with the annular frame (1), a plurality of pushing rods (11) are in sliding connection with the external thread pipes (10), contact rollers (12) which are in contact with the polishing paper (2) are fixed at the bottoms of the pushing rods (11), and pushing pieces (13) which are used for pushing the pushing rods (11) to move downwards are arranged at the bottoms of the external thread pipes (10).
3. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 2, wherein: the pushing piece (13) comprises an abutting plate (14) fixed at the bottom of the external threaded pipe (10), a supporting ring (15) is fixed on the outer side of the bottom end of the pushing rod (11), and a pushing spring (16) which abuts against the supporting ring (15) and the abutting plate (14) is sleeved on the outer side of the pushing rod (11).
4. A surface finish treatment apparatus for engine crankshaft finishing as claimed in claim 3, wherein: the pushing unit (4) further comprises a limiting component (17) propped against the outer side of the crank neck, the limiting component (17) comprises an adjusting rod (18) which is inserted into the annular frame (1) in a threaded mode, a limiting roller (19) propped against the outer side of the polishing paper (2) is fixed at the bottom of the adjusting rod (18), and an adjusting cap (20) is fixed at the outer sides of the tops of the adjusting rod (18) and the external threaded pipe (10).
5. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 1, wherein: the butt joint piece (5) comprises an arc-shaped rod (21) fixed at the outer end of one annular frame (1), an arc-shaped opening (22) matched with the arc-shaped rod (21) is formed in the outer end of the other annular frame (1), and magnetic attraction blocks (23) which are attracted to each other are fixed at the adjacent outer ends of the two annular frames (1).
6. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 1, wherein: the driving unit (9) comprises a driving motor (24) fixed on the outer side of the arc-shaped frame (7) through a motor frame, a driving gear (25) is fixed at the output end of the driving motor (24) through a coupler, and a plurality of tooth grooves (26) meshed with the driving gear (25) are formed in the outer side of the docking ring (6) at equal angles.
7. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 1, wherein: the butt joint ring (6) and the annular frame (1) are internally provided with grooves (27), arc plates (28) matched with the grooves (27) are fixed on the outer sides of the arc frames (7), the cross section of the butt joint ring (6) is U-shaped, and the cross section of the arc frames (7) is L-shaped.
8. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 7, wherein: two stable arc plates (29) attached to the outer side of the butt joint ring (6) are fixed on the outer side of the arc frame (7).
9. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 1, wherein: the locking piece (3) comprises two clamping plates (30) fixed on the outer side of the opening, two ends of the polishing paper (2) extend out of the opening and are located in the two clamping plates (30), one clamping plate (30) is internally threaded and inserted with a tightening column (31) propped against the polishing paper (2), the width of two ends of the polishing paper (2) is smaller than that of the middle part, and the width of the middle part of the polishing paper (2) is larger than that of the annular frame (1).
10. The surface polishing treatment apparatus for engine crankshaft finishing as claimed in claim 4, wherein: still include clean subassembly (35), clean subassembly (35) include wipe paper (36), the both ends width of wipe paper (36) is less than the width of mid portion, just the mid portion of wipe paper (36) has delivery port (34) separately, be equipped with through-hole (32) in adjusting pole (18), just through-hole (32) with spacing roller (19) are linked together, the top screw thread grafting of adjusting pole (18) has butt joint end (33), just butt joint end (33) outer end is through water pipe and water tank butt joint, through-hole (32) are located delivery port (34) position department.
CN202311344962.4A 2023-10-18 2023-10-18 Surface polishing treatment equipment for engine crankshaft finish machining Active CN117067085B (en)

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CN117067085B CN117067085B (en) 2024-02-06

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