CN211425253U

CN211425253U - Measuring and indexing device for crankshaft machining

Info

Publication number: CN211425253U
Application number: CN202020272168.9U
Authority: CN
Inventors: 张传伟
Original assignee: Liaocheng Haozhuo Machinery Manufacturing Co ltd
Current assignee: Liaocheng Haozhuo Machinery Manufacturing Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-09-04
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a measure indexing means for bent axle processing, including fixed plate, supporting mechanism, connecting plate, backup pad, standing groove, measuring mechanism, fixed block, sleeve, gear, pivot, turning block, draw-in groove, fixed screw and stop gear. The utility model has the advantages that: fix the inside to backup pad and fixed block with the bent axle, it is fixed to the bent axle through fixed screw, with stop gear and gear separation, thereby realized that the pivot can rotate at will in the inside of backup pad, the turning block that is located the pivot tip rotates when rotating, realized being located the bent axle of fixed block inside and rotated thereupon, because the turning block is parallel with the same and base of the shape of fixed block, turning block pivoted angle is exactly the turned angle of fixed block so, the turned angle of bent axle can be known fast simultaneously, position degree error that can reach each hole through the calculation, the degree of certainty gyration angle that can be quick accurate carries out the measurement of Y direction, and is practical and convenient.

Description

Measuring and indexing device for crankshaft machining

Technical Field

The utility model relates to a measure indexing means, specifically be a measure indexing means for bent axle processing belongs to bent axle processing technology field.

Background

The crankshaft is a core component of the engine, and the crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load; the pin holes and the threaded holes at the two ends are matched with other assembled parts, so that the requirements of the pin holes and the threaded holes at the two ends of the crankshaft on the position degrees of the main shaft and a connecting center line are very strict. In the crankshaft production process, the position degree of the crankshaft pin hole and the threaded hole needs to be detected. In the past, a crankshaft was placed on a platform, the two farthest main journals were supported by a V-shaped iron, a connecting journal was rotated to the X direction, and the X direction error was measured by adjusting the height of the reference center to the same height.

However, in the prior art, when a crankshaft is machined, the crankshaft is placed on a platform, two farthest main journals are supported by V-shaped iron, a connecting journal is rotated to the X direction and is adjusted to be equal to the reference center to the same height, and the X-direction error is measured and the Y-direction error is data obtained by calculating the wall thickness from a measuring hole to an excircle, so that the Y-direction measurement is difficult to be carried out by quickly and accurately determining a 90-degree rotation angle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a measurement indexing means for bent axle processing just for solving above-mentioned problem, easy operation, can be quick accurate confirm 90 degrees gyration angles carry out Y direction's measurement, practical convenient.

The utility model realizes the above purpose by the following technical proposal, a measuring indexing device for crankshaft processing, which comprises a fixed plate and two supporting mechanisms welded on the surface of the fixed plate, wherein the supporting mechanisms comprise a connecting plate, a supporting plate and a placing groove, the surface of the fixed plate is relatively welded with the connecting plate, the supporting plates are welded on the top parts of the two connecting plates, the placing groove in an arc structure is arranged on the surface of one supporting plate, the side surface of the other supporting plate is rotatably connected with a measuring mechanism, the measuring mechanism comprises a fixed block, a sleeve, a gear, a rotating shaft, a rotating block, a clamping groove and a fixed screw, the side surface of the other supporting plate is horizontally rotatably connected with the rotating shaft, the end part of the rotating shaft positioned between the two supporting plates is welded with the fixed block in a rectangular structure, the lateral wall of fixed block has been seted up and has been the cylindrical structure the draw-in groove deviates from fixed block one end the tip welding of pivot have with the fixed block corresponds the turning block, the base of turning block with the base of fixed block is parallel, the backup pad with between the turning block the skin weld of pivot has the gear, the top threaded connection of fixed block has the fixed screw, the surface rotation of fixed block be connected with the fixed screw block the sleeve, the lateral wall of backup pad install with the stop gear of gear block.

Preferably, in order to facilitate rotation of the crankshaft, the connecting plates are in an inverted L-shaped structure, and a Z-shaped structure is formed between the two groups of connecting plates and the supporting plate.

Preferably, in order to increase the stability of connection between the fixed plate and the connecting plate, the fixed plate and the connecting plate are vertically arranged, and the fixed plate is of a cuboid structure.

Preferably, in order to rotate the sleeve conveniently, the measuring mechanism further comprises a handle, and the handle with a T-shaped cross section is welded at the top of the sleeve.

Preferably, in order to facilitate the rotation of the rotating block and the observation of the rotating angle of the rotating block, the measuring mechanism further comprises a shifting piece, and the shifting piece with the cross section in an isosceles trapezoid structure is welded on the side wall of the rotating block, which deviates from one end of the supporting plate.

Preferably, it is right in order to realize the pivot is spacing, avoids the pivot to be fixed the back antiport at the bent axle, stop gear includes mounting panel, cardboard, spring and retainer plate, the lateral wall welding of backup pad has the mounting panel, the mounting panel is located the top of gear, the inside sliding connection of mounting panel have with block between the gear the cardboard, the mounting panel is inside the lateral wall welding of cardboard has the retainer plate, the retainer plate top the lateral wall winding of cardboard has the spring.

Preferably, in order to enable the rotation of the rotating shaft and the crankshaft to be smoother, the axis of the rotating shaft and the circle center of the clamping groove are located on the same straight line, and the bottom surface of the rotating shaft is flush with the bottom end of the placing groove.

The utility model has the advantages that: the one end block of bent axle is to the inside of the draw-in groove of fixed block lateral wall, place the inside of the standing groove that is located the backup pad top with the other end of bent axle, further clockwise rotation is located the sleeve at sleeve top and has been realized that the fixed screw rotates the inside that is located the fixed block, further when the fixed screw contradicts with the bent axle has realized fixing the bent axle, stop gear and gear separation, thereby realized that the pivot can rotate at will in the inside of backup pad, rotate the turning block that is located the pivot tip when rotating, realized that the bent axle that is located the inside of fixed block rotates thereupon, because the turning block is the same with the shape of fixed block and the base is parallel, then the angle of turning block rotation is exactly the turned angle of fixed block, can know the turned angle of bent axle fast simultaneously, can obtain the position degree error in each hole through the calculation, can quick accurate definite degree turned angle carry out the measurement of Y direction, Is practical and convenient.

Drawings

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

FIG. 2 is a schematic view of a connection structure of the fixing plate, the supporting mechanism and the measuring mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of the part A shown in FIG. 2;

fig. 4 is an enlarged schematic view of the structure of the part B shown in fig. 2.

In the figure: 1. the device comprises a fixing plate, 2, a supporting mechanism, 21, a connecting plate, 22, a supporting plate, 23, a placing groove, 3, a measuring mechanism, 31, a fixing block, 32, a sleeve, 33, a handle, 34, a gear, 35, a rotating shaft, 36, a rotating block, 37, a shifting piece, 38, a clamping groove, 39, a fixing screw, 4, a limiting mechanism, 41, a mounting plate, 42, a clamping plate, 43, a spring, 44 and a fixing ring.

Detailed Description

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

Referring to fig. 1-4, a measuring and indexing device for crankshaft machining includes a fixed plate 1 and two supporting mechanisms 2 welded on the surface of the fixed plate 1, where the supporting mechanisms 2 include connecting plates 21, supporting plates 22 and placing grooves 23, the connecting plates 21 are welded on the surface of the fixed plate 1, the supporting plates 22 are welded on the tops of the two connecting plates 21, the placing grooves 23 in an arc structure are formed on the surface of one of the supporting plates 22, the measuring mechanism 3 is rotatably connected to the side surface of the other supporting plate 22, the measuring mechanism 3 includes a fixed block 31, a sleeve 32, a gear 34, a rotating shaft 35, a rotating block 36, a clamping groove 38 and a fixed screw 39, the rotating shaft 35 is horizontally rotatably connected to the side surface of the other supporting plate 22, the fixed block 31 in a rectangular structure is welded at the end of the rotating shaft 35 between the two supporting plates 22, the lateral wall of fixed block 31 has been seted up and has been the cylindrical structure draw-in groove 38 deviates from fixed block 31 one end the tip welding of pivot 35 have with fixed block 31 corresponds turning block 36, the base of turning block 36 with the base of fixed block 31 is parallel, backup pad 22 with between the turning block 36 the skin weld of pivot 35 has gear 34, the top threaded connection of fixed block 31 has set screw 39, the surface rotation of fixed block 31 be connected with set screw 39 block sleeve 32, backup pad 22's lateral wall install with stop gear 4 of gear 34 block.

As a technical optimization scheme of the utility model, the connecting plate 21 is "L" shape structure, and is two sets of the connecting plate 21 with be "Z" shape structure between the backup pad 22.

As a technical optimization scheme of the utility model, fixed plate 1 with set up perpendicularly between the connecting plate 21, just fixed plate 1 is the cuboid structure.

As a technical optimization scheme of the utility model, measuring mechanism 3 still includes handle 33, the top welding of sleeve 32 has the cross-section to be "T" shape structure handle 33.

As a technical optimization scheme of the utility model, measuring mechanism 3 still includes plectrum 37, deviates from backup pad 22 one end the lateral wall welding of turning block 36 has the cross-section to be isosceles trapezoid structure plectrum 37.

As a technical optimization scheme of the utility model, stop gear 4 includes mounting panel 41, cardboard 42, spring 43 and retainer plate 44, the lateral wall welding of backup pad 22 has mounting panel 41, mounting panel 41 is located the top of gear 34, mounting panel 41's inside sliding connection have with the block between the gear 34 cardboard 42, mounting panel 41 is inside the lateral wall welding of cardboard 42 has retainer plate 44, retainer plate 44 top the lateral wall winding of cardboard 42 has spring 43.

As a technical optimization scheme of the utility model, the axle center of pivot 35 with the centre of a circle of draw-in groove 38 is located same straight line, just the bottom surface of pivot 35 with the bottom parallel and level of standing groove 23.

When the utility model is used, firstly, the handle 33 positioned at the top of the sleeve 32 is rotated anticlockwise when the crankshaft is processed and measured for indexing, so that the sleeve 32 rotates anticlockwise, and the further fixing screw 39 positioned in the fixing block 31 is screwed out; then, one end of the crankshaft is clamped into the clamping groove 38 on the side wall of the fixed block 31, the other end of the crankshaft is placed into the placing groove 23 on the top of the supporting plate 22, the two reference shaft necks are leveled by using a dial indicator, further, the sleeve 32 on the top of the sleeve 32 is rotated clockwise, the fixed screw 39 is rotated into the fixed block 31, further, the crankshaft is fixed when the fixed screw 39 is abutted against the crankshaft, the clamping plate 42 in the mounting plate 41 is pulled to contract the spring 43 when measuring indexing, further, the clamping plate 42 is separated from the gear 34 on the surface of the rotating shaft 35, so that the rotating shaft 35 can be freely rotated in the supporting plate 22, the rotating block 36 at the end part of the rotating shaft 35 is rotated when rotating, the crankshaft in the fixed block 31 is rotated along with the rotating, and because the rotating block 36 is the same as the fixed block 31 and has the same shape and the parallel bottom edge, the rotating angle of the rotating block 36 is the rotating angle of the fixed block 31, and the rotating angle of the crankshaft can be quickly known, so that the crankshaft is rotated to the horizontal X direction and is adjusted to be equal to the reference center in height, the error values of the threaded holes and the pin holes in the X direction are respectively measured, then the crankshaft is rotated to the vertical Y direction, the rotating block 36 is rotated to be horizontal, the error values of the threaded holes and the pin holes in the Y direction are respectively measured, the position error of each hole can be obtained through calculation, the 90-degree rotating angle can be quickly and accurately determined for Y-direction measurement, the measuring device is practical and convenient, the clamping plate 42 can be loosened during measurement, the spring 43 is reset, and the limiting of the rotating shaft 35 is realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A measuring and indexing device for crankshaft machining comprises a fixed plate (1) and two supporting mechanisms (2) welded on the surface of the fixed plate (1), and is characterized in that: the supporting mechanism (2) comprises connecting plates (21), supporting plates (22) and a placing groove (23), the connecting plates (21) are welded on the surface of the fixing plate (1) relatively, the supporting plates (22) are welded on the tops of the two connecting plates (21), the placing groove (23) in an arc-shaped structure is formed in the surface of one of the supporting plates (22), the measuring mechanism (3) is connected to the side face of the other supporting plate (22) in a rotating mode, the measuring mechanism (3) comprises fixing blocks (31), sleeves (32), gears (34), rotating shafts (35), rotating blocks (36), clamping grooves (38) and fixing screws (39), the rotating shafts (35) are horizontally and rotatably connected to the side face of the other supporting plate (22), the fixing blocks (31) in a rectangular structure are welded at the end portions of the rotating shafts (35) between the two supporting plates (22), the lateral wall of fixed block (31) is seted up and is cylindrical structure draw-in groove (38), deviates from fixed block (31) one end the tip welding of pivot (35) have with fixed block (31) correspond turning block (36), the base of turning block (36) with the base of fixed block (31) is parallel, backup pad (22) with between turning block (36) the skin weld of pivot (35) has gear (34), the top threaded connection of fixed block (31) has set screw (39), the surface rotation of fixed block (31) be connected with set screw (39) block sleeve (32), the lateral wall of backup pad (22) install with stop gear (4) of gear (34) block.

2. A measuring indexing device for crankshaft machining according to claim 1, characterized in that: the connecting plates (21) are of inverted L-shaped structures, and a Z-shaped structure is formed between the two groups of connecting plates (21) and the supporting plate (22).

3. A measuring indexing device for crankshaft machining according to claim 1, characterized in that: the fixing plate (1) and the connecting plate (21) are vertically arranged, and the fixing plate (1) is of a cuboid structure.

4. A measuring indexing device for crankshaft machining according to claim 1, characterized in that: the measuring mechanism (3) further comprises a handle (33), and the handle (33) with a T-shaped structure in section is welded to the top of the sleeve (32).

5. A measuring indexing device for crankshaft machining according to claim 1, characterized in that: the measuring mechanism (3) further comprises a shifting piece (37), one end of the supporting plate (22) is deviated from, and the shifting piece (37) with the cross section in an isosceles trapezoid structure is welded on the side wall of the rotating block (36).

6. A measuring indexing device for crankshaft machining according to claim 1, characterized in that: stop gear (4) include mounting panel (41), cardboard (42), spring (43) and retainer plate (44), the lateral wall welding of backup pad (22) has mounting panel (41), mounting panel (41) are located the top of gear (34), the inside sliding connection of mounting panel (41) have with block between gear (34) cardboard (42), mounting panel (41) are inside the lateral wall welding of cardboard (42) has retainer plate (44), retainer plate (44) top the lateral wall winding of cardboard (42) has spring (43).

7. A measuring indexing device for crankshaft machining according to claim 1, characterized in that: the axis of the rotating shaft (35) and the circle center of the clamping groove (38) are located on the same straight line, and the bottom surface of the rotating shaft (35) is flush with the bottom end of the placing groove (23).