CN117428647B - Machining fixtures for assembling crankshaft sprockets in marine engines - Google Patents

Machining fixtures for assembling crankshaft sprockets in marine engines

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Publication number
CN117428647B
CN117428647B CN202311598817.9A CN202311598817A CN117428647B CN 117428647 B CN117428647 B CN 117428647B CN 202311598817 A CN202311598817 A CN 202311598817A CN 117428647 B CN117428647 B CN 117428647B
Authority
CN
China
Prior art keywords
piece
clamping
crankshaft
polishing
supporting seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202311598817.9A
Other languages
Chinese (zh)
Other versions
CN117428647A (en
Inventor
严欢
丁乐中
聂嘉良
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.)
CSSC Marine Power Zhenjiang Co Ltd
Original Assignee
CSSC Marine Power Zhenjiang Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CSSC Marine Power Zhenjiang Co Ltd filed Critical CSSC Marine Power Zhenjiang Co Ltd
Priority to CN202311598817.9A priority Critical patent/CN117428647B/en
Publication of CN117428647A publication Critical patent/CN117428647A/en
Application granted granted Critical
Publication of CN117428647B publication Critical patent/CN117428647B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • 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
    • 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
    • B24B5/421—Supports therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

本发明涉及用于船用发动机曲轴链轮装配的加工工装,包括支撑座、设于支撑座顶部的曲轴固定座,还包括与支撑座转动连接的夹持件,所述夹持件用于夹持和带动链轮移动;固定设于支撑座上的打磨组件一,所述打磨组件一用于对链轮与曲轴相接触的内壁打磨及清洁;与夹持件相卡接固定并贯穿打磨组件一的打磨组件二。本发明通过夹持件夹持链轮,通过驱动件带动夹持件和打磨组件二转动,同时对链轮和曲轴两个相互接触的内外壁进行打磨和清洁,通过第二伸缩件带动打磨组件二向着夹持件移动,通过夹持件推动链轮移动,通过定位件将链轮定位后再将链轮装配至曲轴上,自动定位,自动化程度高,一个工位可进行多种加工工艺,操作简单便捷。

This invention relates to a machining fixture for assembling crankshaft sprockets in marine engines. It includes a support base, a crankshaft fixing base on top of the support base, and a clamping component rotatably connected to the support base. The clamping component clamps and drives the sprocket. A first grinding assembly is fixedly mounted on the support base, used for grinding and cleaning the inner wall of the sprocket in contact with the crankshaft. A second grinding assembly is engaged with and passes through the first grinding assembly. This invention clamps the sprocket using the clamping component, drives the clamping component and the second grinding assembly to rotate via a driving component, simultaneously grinding and cleaning the inner and outer walls of the sprocket and crankshaft. A second telescopic component moves the second grinding assembly towards the clamping component, which in turn moves the sprocket. A positioning component positions the sprocket before it is assembled onto the crankshaft. The invention features automatic positioning, a high degree of automation, and allows for multiple machining processes to be performed at a single station. Operation is simple and convenient.

Description

Machining tool for assembling crankshaft chain wheel of marine engine
Technical Field
The invention belongs to the technical field of crankshaft sprocket assembly, and particularly relates to a processing tool for assembling a crankshaft sprocket of a marine engine.
Background
The assembly of the crankshaft and the sprocket generally requires polishing and cleaning of the inner and outer wall surfaces of the crankshaft and the sprocket in contact with each other prior to installation to remove burrs, chips, and other impurities for subsequent installation, and during the assembly, manually performing measurements to align the mounting holes of the crankshaft and the sprocket with each other, in the prior art, the crankshaft is generally fixed in position by a jig, the mounting holes of the sprocket and the crankshaft are aligned with each other by the measurements, the sprocket is clamped by the clamp, the inner wall surface and the outer wall surface which are mutually contacted with the crankshaft and the sprocket are manually polished and cleaned by a worker, the sprocket is pushed to move after polishing so as to assemble the sprocket on the crankshaft, in the process, the polishing of the crankshaft and the sprocket and the mutual alignment of the mounting holes of the crankshaft and the sprocket are completed by manpower, the degree of automation is low, the operation and the processing speed are low, and a plurality of inconveniences are brought to production.
Disclosure of Invention
The invention aims to solve the problems and provide a processing tool for assembling a crankshaft chain wheel of a marine engine.
The invention realizes the above purpose through the following technical scheme:
a processing frock for marine engine crankshaft sprocket assembly, including the supporting seat, locate the bent axle fixing base at supporting seat top, still include:
The clamping piece is rotationally connected with the supporting seat and is used for clamping and driving the chain wheel to move;
the first polishing assembly is fixedly arranged on the supporting seat and is used for polishing and cleaning the inner wall of the sprocket wheel, which is in contact with the crankshaft;
the second polishing assembly is fixedly clamped with the clamping piece and penetrates through the first polishing assembly, and the second polishing assembly is used for polishing and cleaning the outer wall of the crankshaft, which is in contact with the chain wheel;
The driving piece is arranged on the supporting seat and used for driving the clamping piece and the second polishing assembly to rotate together;
the second telescopic piece is arranged on the supporting seat and is rotationally connected with the second polishing component, and the second telescopic piece is used for driving the second polishing component to move;
and the locating piece is arranged in the crankshaft mounting hole and is used for locating the chain wheel.
As a further optimization scheme of the invention, the clamping piece comprises a frame body, a rotating rod, two screw rods, a first synchronizing piece and a first servo motor, wherein the rotating rod is arranged on one side of the frame body and is rotationally connected with the supporting seat through a bearing;
the screw rod is characterized in that connecting threads are arranged on the upper section and the lower section of the screw rod, the directions of the connecting threads of the two sections are opposite, nut seats are connected to the connecting threads of the two sections through ball nut pairs, sliding seats are arranged between the two nut seats above and between the two nut seats below, clamping plates are connected to the sliding seats in a sliding mode, and a first telescopic piece for pushing the clamping plates to move is arranged on the frame body.
As a further optimization scheme of the invention, the first polishing assembly comprises a fixed cylinder fixedly connected with the supporting seat, rotatably connected with the frame body through a bearing, a first polishing piece and a first cleaning piece, wherein the first polishing piece and the first cleaning piece are sequentially arranged at one end, far away from the supporting seat, of the fixed cylinder.
As a further optimization scheme of the invention, the second polishing component comprises a moving rod, a bidirectional telescopic part, two mounting plates, a second polishing part and a second cleaning part, wherein the moving rod penetrates through the fixed cylinder and is clamped and fixed with the rotating rod through a plurality of clamping parts I, the bidirectional telescopic part is arranged at one end of the moving rod close to the crankshaft, the mounting plates are respectively arranged at two movable ends of the bidirectional telescopic part, and the second polishing part and the second cleaning part are respectively arranged at the opposite surfaces of the two mounting plates.
As a further optimization scheme of the invention, the first clamping piece comprises a first fixing groove arranged on the rotating rod, a first spring arranged in the first fixing groove, a first clamping block connected with the first spring and slidingly connected with the first fixing groove, and a first clamping groove arranged on the moving rod and used for clamping the first clamping block;
The second telescopic piece is fixedly arranged on the supporting seat and is rotationally connected with the movable rod through a bearing.
As a further optimization scheme of the invention, the driving piece comprises a second servo motor and a second synchronizing piece arranged between an output shaft of the second servo motor and the rotating rod.
As a further optimization scheme of the invention, the positioning piece comprises a plurality of connecting screws fixedly arranged in the crankshaft mounting holes, a second spring detachably connected in the connecting screws, a positioning rod connected with the second spring and extending out of the connecting screws, a rolling shaft rotatably connected to the movable end of the positioning rod, and a connecting rod for connecting the positioning rod, wherein a plurality of clamping pieces II are arranged between the connecting screws and the positioning rod;
The second clamping piece comprises a second fixing groove formed in the connecting screw, a third spring arranged in the second fixing groove, a second clamping block arranged at the movable end of the third spring, and a second clamping groove formed in the positioning rod and used for clamping the second clamping block.
The invention has the beneficial effects that:
1) According to the invention, the chain wheel is clamped by the clamping piece, the clamping piece and the second polishing component are driven to rotate by the driving piece, the inner wall and the outer wall of the chain wheel and the inner wall of the crankshaft which are in contact with each other are polished and cleaned, the second telescopic piece drives the polishing component to move along the clamping piece, the chain wheel is pushed by the clamping piece to move, and the chain wheel is assembled on the crankshaft after being positioned by the positioning piece, so that the automatic positioning is realized, the automation degree is high, multiple processing processes can be performed at one station, and the operation is simple and convenient;
2) The invention can drive the second polishing component to rotate together by the clamping piece before assembling the sprocket and the crankshaft, so as to polish and clean the inner and outer walls of the sprocket and the crankshaft which are in contact with each other, and can also align the mounting holes of the sprocket and the crankshaft by the rotation of the clamping piece, thereby facilitating the subsequent mounting.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the clamping member, first and second sanding assemblies, drive member, third telescoping member, and positioning member of the present invention.
Fig. 3 is a front cross-sectional view of a part of the structure of the movable lever and the rotary lever of the present invention.
Fig. 4 is a front cross-sectional view of the positioning member of the present invention.
Fig. 5 is an enlarged view of the portion a of fig. 4 according to the present invention.
Fig. 6 is a side view of the positioning member of the present invention.
The device comprises a supporting seat, a clamping member (2), a frame body (21), a rotating rod (22), a first fixing groove (221), a first spring (222), a first clamping block (223), a second clamping block (23), a screw rod (24), a nut seat (25), a sliding seat (26), a clamping plate (27), a first telescopic member (28), a first servo motor (29), a first synchronous member (3), a first polishing component (31), a fixing cylinder (32), a first polishing member (33), a first cleaning member (4), a second polishing component (41), a moving rod (411), a first clamping groove (42), a bidirectional telescopic member (43), a mounting plate (44), a second polishing member (45), a second cleaning member (5), a driving member (51), a second servo motor (52), a second synchronous member (6), a second telescopic member (7), a positioning member (71), a connecting screw rod (72), a positioning rod (73), a second spring (74), a roller, 75, a connecting rod (76), a second fixing groove (77), a third spring (78), a second clamping block (79), a second clamping seat (8) and a crankshaft.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
As shown in fig. 1-6, a processing tool for assembling a crankshaft sprocket of a marine engine comprises a supporting seat 1, a crankshaft fixing seat 8 arranged at the top of the supporting seat 1, and further comprises:
the clamping piece 2 is rotationally connected with the supporting seat 1, and the clamping piece 2 is used for clamping and driving the chain wheel to move;
the first polishing component 3 is fixedly arranged on the supporting seat 1, and the first polishing component 3 is used for polishing and cleaning the inner wall of the sprocket wheel, which is in contact with the crankshaft;
The second polishing component 4 is fixedly clamped with the clamping piece 2 and penetrates through the first polishing component 3, and the second polishing component 4 is used for polishing and cleaning the outer wall of the crankshaft, which is in contact with the chain wheel;
the driving piece 5 is arranged on the supporting seat 1, and the driving piece 5 is used for driving the clamping piece 2 and the polishing component II 4 to rotate together;
The second telescopic piece 6 is arranged on the supporting seat 1 and is rotationally connected with the second polishing component 4, and the second telescopic piece 6 is used for driving the second polishing component 4 to move;
and the locating piece 7 is arranged in the crankshaft mounting hole, and the locating piece 7 is used for locating the chain wheel.
Preferably, the clamping member 2 includes a frame 21, a rotating rod 22 disposed at one side of the frame 21 and rotationally connected to the supporting seat 1 through a bearing, two screw rods 23 symmetrically disposed and rotationally connected to the frame 21, a first synchronizing member 29 disposed on the two screw rods 23, and a first servo motor 28 connected to one of the screw rods 23;
The screw rod 23 upper and lower two sections all are equipped with the connecting screw thread, and two sections connecting screw thread opposite directions, all are connected with nut seat 24 through ball nut pair on the two sections connecting screw thread, all are equipped with sliding seat 25 between two nut seats 24 that lie in the top, between two nut seats 24 that lie in the below, sliding connection has grip block 26 on the sliding seat 25, be equipped with the first extensible member 27 that is used for promoting grip block 26 removal on the framework 21.
Preferably, the first polishing component 3 includes a fixed cylinder 31 fixedly connected with the supporting seat 1 and rotatably connected with the frame 21 through a bearing, a first polishing member 32 and a first cleaning member 33 sequentially disposed at one end of the fixed cylinder 31 away from the supporting seat 1.
Preferably, the second polishing component 4 includes a moving rod 41 penetrating through the fixed cylinder 31 and fastened to the rotating rod 22 by a plurality of first fastening members, a bidirectional telescopic member 42 disposed at one end of the moving rod 41 near the crankshaft, two mounting plates 43 disposed at two movable ends of the bidirectional telescopic member 42, and a second polishing member 44 and a second cleaning member 45 disposed at opposite sides of the two mounting plates 43.
Preferably, the first locking member comprises a first fixing groove 221 formed on the rotating rod 22, a first spring 222 disposed inside the first fixing groove 221, a first locking block 223 connected with the first spring 222 and slidably connected with the first fixing groove 221, and a first locking groove 411 formed on the moving rod 41 for locking the first locking block 223;
The second telescopic member 6 is fixedly arranged on the supporting seat 1 and is rotatably connected with the movable rod 41 through a bearing.
Further, after the two movable ends of the bidirectional telescopic member 42 are retracted, the sum of the thickness of the two mounting plates 43 and the distance between the two mounting plates 43 is smaller than the diameter of the first polishing member 32, so that the two mounting plates 43 can pass through the through hole in the middle of the sprocket.
Preferably, the driving member 5 includes a second servo motor 51, and a second synchronizing member 52 provided between an output shaft of the second servo motor 51 and the rotating lever 22.
In this embodiment, the first synchronizing member 29 and the second synchronizing member 52 are two synchronizing wheels and a synchronous belt disposed between the two synchronizing wheels;
The first telescopic piece 27 and the second telescopic piece 6 are unidirectional electric push rods, and the bidirectional telescopic piece 42 is a bidirectional electric push rod;
The first cleaning member 33 and the second cleaning member 45 are any one of cleaning cloths and cleaning sponges;
the first grinding member 32 and the second grinding member 44 are any one of grinding whetstones and grinding sandpaper.
Preferably, the positioning member 7 includes a plurality of connecting screws 71 fixedly disposed in the crankshaft mounting hole, a second spring 73 detachably connected inside the connecting screws 71, a positioning rod 72 connected with the second spring 73 and extending out of the connecting screws 71, a roller 74 rotatably connected to the movable end of the positioning rod 72, and a connecting rod 75 for connecting the positioning rod 72, wherein a plurality of second clamping members are disposed between the connecting screws 71 and the positioning rod 72;
The second clamping member comprises a second fixing groove 76 formed in the connecting screw 71, a third spring 77 arranged in the second fixing groove 76, a second clamping block 78 arranged at the movable end of the third spring 77, and a second clamping groove 79 formed in the positioning rod 72 and used for clamping the second clamping block 78.
When the novel crank is used, a crankshaft is placed on the crankshaft fixing seat 8, a chain wheel is placed between two clamping plates 26, a first servo motor 28 works to drive two screw rods 23 to rotate through a first synchronizing piece 29, the screw rods 23 drive two sliding seats 25 and the clamping plates 26 to be close to each other through nut seats 24 so as to clamp and fix the chain wheel through the clamping plates 26, at the moment, a first grinding piece 32 is positioned in a through hole in the middle of the chain wheel, a second telescopic piece 6 pushes a second grinding piece 4 to be close to the crankshaft, so that the second grinding piece 44, a second cleaning piece 45 and the outer wall of the crankshaft, which is in contact with the chain wheel, are contacted with the chain wheel, are driven to rotate through a driving piece 5, the clamping piece 2 rotates, the inner wall, which is in contact with the crankshaft, of the chain wheel is polished through the first grinding piece 32, burrs on the inner wall, which is in contact with the chain wheel are removed, and the ground through the second grinding piece 44 rotates, and the ground scraps can be removed, so that the novel crank is convenient to install later;
The second telescopic piece 6 drives the movable rod 41 to move towards the direction of the clamping piece 2, the two mounting plates 43 are driven to mutually approach through the bidirectional telescopic piece 42, then the clamping plate 26 and the chain wheel are pushed to approach towards the crankshaft through the first telescopic piece 27, when the positioning rod 72 contacts with the chain wheel, the clamping plate 26 is stopped being pushed, and in the process of pushing the clamping plate 26 and the chain wheel to move, the first cleaning piece 33 can clean the fragments polished on the inner wall of the chain wheel contacted with the crankshaft;
Then, the driving member 5 is made to drive the clamping member 2 to rotate, when the positioning rod 72 encounters the mounting hole on the sprocket, the positioning rod 72 extends to the inside of the mounting hole of the sprocket under the action of the elastic force of the second spring 73, meanwhile, the driving member 5 is closed, the clamping plate 26 and the sprocket are pushed to move towards the crankshaft by the first telescopic member 27, so that the sprocket is assembled on the crankshaft, then the positioning rod 72 is taken down, and the connecting screw 71 is connected with the upper nut in a threaded manner.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims (4)

1. A processing frock for marine engine crankshaft sprocket assembly, including supporting seat (1), locate bent axle fixing base (8) at supporting seat (1) top, its characterized in that still includes:
The clamping piece (2) is rotationally connected with the supporting seat (1), and the clamping piece (2) is used for clamping and driving the chain wheel to move;
the first polishing component (3) is fixedly arranged on the supporting seat (1), and the first polishing component (3) is used for polishing and cleaning the inner wall of the sprocket wheel, which is contacted with the crankshaft;
The second polishing component (4) is fixedly clamped with the clamping piece (2) and penetrates through the first polishing component (3), and the second polishing component (4) is used for polishing and cleaning the outer wall of the crankshaft, which is in contact with the chain wheel;
the driving piece (5) is arranged on the supporting seat (1), and the driving piece (5) is used for driving the clamping piece (2) and the polishing component II (4) to rotate together;
The clamping piece (2) comprises a frame body (21), a rotating rod (22) arranged on one side of the frame body (21) and rotationally connected with the supporting seat (1) through a bearing, two screw rods (23) which are symmetrically arranged and rotationally connected with the frame body (21), a first synchronizing piece (29) arranged on the two screw rods (23), and a first servo motor (28) connected with one screw rod (23);
The first polishing assembly (3) comprises a fixed cylinder (31) fixedly connected with the supporting seat (1) and rotatably connected with the frame body (21) through a bearing, a first polishing piece (32) and a first cleaning piece (33) which are sequentially arranged at one end, far away from the supporting seat (1), of the fixed cylinder (31);
The second polishing assembly (4) comprises a moving rod (41) penetrating through the fixed cylinder (31) and being clamped and fixed with the rotating rod (22) through a plurality of clamping pieces I, a bidirectional telescopic piece (42) arranged at one end of the moving rod (41) close to the crankshaft, two mounting plates (43) respectively arranged at two movable ends of the bidirectional telescopic piece (42), second polishing pieces (44) respectively arranged at the opposite sides of the two mounting plates (43), and second cleaning pieces (45);
The second telescopic piece (6) is arranged on the supporting seat (1) and is rotationally connected with the second polishing component (4), and the second telescopic piece (6) is used for driving the second polishing component (4) to move;
the locating piece (7) is arranged in the crankshaft mounting hole, and the locating piece (7) is used for locating the chain wheel;
The locating piece (7) comprises a plurality of connecting screws (71) fixedly arranged in crankshaft mounting holes, second springs (73) detachably connected inside the connecting screws (71), locating rods (72) connected with the second springs (73) and extending out of the connecting screws (71), rolling shafts (74) rotatably connected to movable ends of the locating rods (72), connecting rods (75) used for connecting the locating rods (72), and a plurality of second clamping pieces are arranged between the connecting screws (71) and the locating rods (72).
2. The processing tool for assembling the crankshaft and chain wheels of the marine engine according to claim 1, wherein the upper section and the lower section of the screw rod (23) are respectively provided with a connecting thread, the directions of the connecting threads of the two sections are opposite, the two connecting threads are respectively connected with a nut seat (24) through a ball nut pair, sliding seats (25) are respectively arranged between the two nut seats (24) above and between the two nut seats (24) below, clamping plates (26) are connected onto the sliding seats (25) in a sliding manner, and a first telescopic piece (27) for pushing the clamping plates (26) to move is arranged on the frame body (21).
3. The tooling for assembling the crankshaft sprocket of the marine engine according to claim 1, wherein the clamping piece I comprises a first fixing groove (221) formed in the rotating rod (22), a first spring (222) arranged in the first fixing groove (221), a first clamping block (223) connected with the first spring (222) and slidingly connected with the first fixing groove (221), and a first clamping groove (411) formed in the moving rod (41) and used for clamping the first clamping block (223);
The second telescopic piece (6) is fixedly arranged on the supporting seat (1) and is rotationally connected with the movable rod (41) through a bearing.
4. A tooling for assembling a crankshaft sprocket of a marine engine according to claim 1, wherein the driving member (5) comprises a second servomotor (51), a second synchronizing member (52) provided between an output shaft of the second servomotor (51) and the rotating lever (22).
CN202311598817.9A 2023-11-27 2023-11-27 Machining fixtures for assembling crankshaft sprockets in marine engines Active CN117428647B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311598817.9A CN117428647B (en) 2023-11-27 2023-11-27 Machining fixtures for assembling crankshaft sprockets in marine engines

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Application Number Priority Date Filing Date Title
CN202311598817.9A CN117428647B (en) 2023-11-27 2023-11-27 Machining fixtures for assembling crankshaft sprockets in marine engines

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CN117428647A CN117428647A (en) 2024-01-23
CN117428647B true CN117428647B (en) 2026-03-24

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CN113084269A (en) * 2021-04-23 2021-07-09 陈月香 Steam-friction accessory sprocket production, manufacturing and processing system

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CN216045310U (en) * 2021-07-01 2022-03-15 奇瑞汽车股份有限公司 Automobile engine crankshaft sprocket and mounting structure thereof
CN114603415B (en) * 2022-03-25 2023-12-08 济南新艺粉末冶金有限公司 Powder metallurgy crankshaft sprocket machining equipment
CN218983842U (en) * 2022-10-18 2023-05-09 无锡市恒特力金属制品有限公司 Assembly fixture for camshaft chain wheel of engine
CN218904610U (en) * 2022-11-07 2023-04-25 大连新重集团有限公司 Quick polishing grinding device of half sprocket inner wall
CN117086727A (en) * 2023-10-07 2023-11-21 滨州鲁德曲轴有限责任公司 Deburring device for crankshaft sprocket

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528427A (en) * 2012-02-28 2012-07-04 长城汽车股份有限公司 Press fitting fixture for engine crankshaft sprocket
CN113084269A (en) * 2021-04-23 2021-07-09 陈月香 Steam-friction accessory sprocket production, manufacturing and processing system

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