CN212285594U - Split crankshaft press-fitting clamp for motorcycle engine - Google Patents

Abstract

The utility model provides a motorcycle engine components of a whole that can function independently bent axle pressure equipment anchor clamps belongs to pressure equipment machinery. It includes fixed baseplate, fixed baseplate on be equipped with the lower bolster, be connected with the fixed disk on the terminal surface of lower bolster, the inside in fixed disk is equipped with the punching press chamber, the lateral wall in punching press chamber on still be equipped with the pivot breach, the top of fixed disk is equipped with the punching press post, the straight line driver is connected to the punching press post, the inside in punching press chamber be equipped with the connecting rod shaft hole, be equipped with in the punching press post and match the through-hole that suits with the connecting rod shaft hole, and be equipped with a plurality of reference column around the fixed disk, the top of reference column is equipped with the sleeve with the reference column one-to-. The utility model has the advantages of simple structure, high production efficiency and simple operation.

Description

Split crankshaft press-fitting clamp for motorcycle engine

Technical Field

The utility model belongs to pressure equipment machinery relates to a motorcycle engine components of a whole that can function independently bent axle pressure equipment anchor clamps.

Background

The motorcycle is a modern common daily walk-substituting tool, the power of the motorcycle is from an engine, and the core component of the engine is a crankshaft. As a core component for normal operation of a motorcycle, the shape of a crankshaft must have high precision. The production process of the traditional split crankshaft of the motorcycle is that each part is separately pressed and molded, and then all the parts are assembled, but the size or the shape of the crankshaft may deviate in the assembling process, the size precision of the whole structure is poor, and the condition that the engine cannot normally work is caused.

For example, the chinese utility model patent discloses a split type bent axle pressure equipment frock [ application number: 201320002413.4], comprises an upper bottom plate and a lower bottom plate, wherein the upper bottom plate and the lower bottom plate are respectively provided with an upper template and a lower template, a guide post is arranged between the upper bottom plate and the lower bottom plate, the guide post is in sliding fit with the upper bottom plate, the upper bottom plate is also provided with a connecting sleeve, the connecting sleeve is provided with a connecting cavity, the connecting cavity is communicated with a positioning hole arranged on the upper template, a pressing block is arranged in the connecting cavity, and the connecting sleeve is also provided with a fixing sleeve. However, the tool in the scheme is not provided with a press-fitting station of the crank pin and the connecting rod, and the condition of dimensional deviation of the whole structure can occur in the later assembling process.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a motorcycle engine components of a whole that can function independently bent axle pressure equipment anchor clamps is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a motorcycle engine components of a whole that can function independently bent axle pressure equipment anchor clamps, includes fixed baseplate, fixed baseplate on be equipped with the lower bolster, be connected with the fixed disk on the terminal surface of lower bolster, the inside of fixed disk is equipped with the punching press chamber, the lateral wall in punching press chamber on still be equipped with the pivot breach, the top of fixed disk is equipped with the punching press post, punching press post connection straight line driver, the inside in punching press chamber be equipped with the connecting rod shaft hole, be equipped with in the punching press post and match the through-hole that suits with the connecting rod shaft hole, and be equipped with a plurality of reference column around the fixed disk, the top of reference column is equipped with the.

In the press-fitting clamp for the split crankshaft of the motorcycle engine, the inner wall of the stamping cavity is a smooth cylindrical curved surface, the shaft pin notch is formed by extending the inner wall of the stamping cavity outwards along the radial direction, and the shaft pin notch is symmetrically arranged along the central axis of the stamping cavity.

In the split crankshaft press-fitting clamp for the motorcycle engine, the stamping cavity is positioned at the center of the fixed disc, the stamping cavity and the fixed disc are arranged concentrically, and the fixed disc and the lower template are detachably connected.

In the split crankshaft press-fitting clamp for the motorcycle engine, the output shaft of the linear driver is detachably connected with the pushing disc, the sleeve is detachably connected to the pushing disc, the stamping column is located at the center of the pushing disc, and the sleeve is uniformly distributed along the circumferential direction of the stamping column.

In the split crankshaft press-fitting clamp for the motorcycle engine, the plurality of positioning columns are uniformly distributed along the circumferential direction of the fixed disc, the number of the positioning columns is the same as that of the sleeves, and a cavity matched with the corresponding positioning column is formed in each sleeve.

In the press fitting clamp for the split crankshaft of the motorcycle engine, the positioning column is superposed with the central shaft of the corresponding sleeve, the projection of the positioning column in the vertical direction is positioned in the cavity of the sleeve, and the diameter of the cavity in the sleeve is equal to that of the corresponding positioning column.

In the split crankshaft press-fitting clamp for the motorcycle engine, the two sides of the fixed disc are provided with the limiting columns, the pushing disc is provided with the limiting discs matched with the limiting columns, the bottoms of the limiting columns are provided with the height platforms, and the height platforms are located between the limiting columns and the fixed disc.

In the split crankshaft press-fitting clamp for the motorcycle engine, the limiting columns are symmetrically arranged along the central axis of the fixed disc, the projection of the limiting columns in the vertical direction is located at the center of the limiting disc, and one end, far away from the limiting columns, of the limiting disc is in a closed shape.

In the split crankshaft press-fitting clamp for the motorcycle engine, the height table is detachably connected with the fixed disc, and the height table is detachably connected with the limiting column.

In the split crankshaft press-fitting clamp for the motorcycle engine, the limiting column is in threaded connection with the height table and penetrates through the height table.

Compared with the prior art, the utility model has the advantages of:

1. the crankshaft structure that will accomplish the equipment is fixed on the fixed disk, through the one-time punching press of punching press post, accomplishes bent axle overall structure's stamping forming, makes the structure of accomplishing the assembly operation, just reaches complete production requirement behind one-time stamping forming operation, prevents to take place in traditional production operation because of carrying out the size deviation that punching press operation reassembles and arouse earlier, has improved the product precision, prolongs the life of integrated device.

2. The diameter less than or equal to telescopic internal diameter of reference column, when location operation, inside the reference column can follow vertical direction and remove the entering sleeve, the outer wall of reference column and the laminating of telescopic inner wall avoid taking place the ascending positioning deviation of horizontal direction.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention.

In the figure: the device comprises a fixed base 1, a lower template 2, a fixed disc 3, a stamping cavity 4, a shaft pin notch 5, a stamping column 6, a connecting rod shaft hole 7, a positioning column 8, a sleeve 9, a pushing disc 10, a limiting column 11, a height table 12, a limiting disc 13 and a linear driver 100.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, a motorcycle engine components of a whole that can function independently bent axle pressure equipment anchor clamps, including fixed baseplate 1, fixed baseplate 1 on be equipped with lower bolster 2, be connected with fixed disk 3 on the terminal surface of lower bolster 2, the inside of fixed disk 3 is equipped with punching chamber 4, the lateral wall of punching chamber 4 on still be equipped with pivot breach 5, the top of fixed disk 3 is equipped with punching column 6, punching column 6 connects linear actuator 100, the inside of punching chamber 4 be equipped with connecting rod shaft hole 7, be equipped with the through-hole that matches with connecting rod shaft hole 7 in the punching column 6, and be equipped with a plurality of reference column 8 around the fixed disk 3, the top of reference column 8 is equipped with the sleeve 9 with reference column 8 one-to-one, sleeve 9 is located around punching column 6.

The production process of the traditional split crankshaft of the motorcycle is to separately complete press-fitting and forming operation on each part and then assemble all the parts, but the size or the shape of the crankshaft may deviate in the assembling process and is not in accordance with the original production requirement, and the engine may not work normally. In the device, a crankshaft structure (comprising a connecting rod and a crankshaft pin) which is assembled is fixed on the fixed disc 3, and the stamping forming of the integral structure of the crankshaft is completed through one-time stamping of the stamping column 6, so that the structure which is assembled is completed, the complete production requirement is met after one-time stamping forming operation, the size deviation caused by the fact that the assembly is carried out after the stamping operation is carried out in the traditional production operation is prevented, the product precision is improved, and the service life of the integral device is prolonged.

In this embodiment, the inner wall of the pressing cavity 4 is a smooth cylindrical curved surface, the axle pin notch 5 is formed by extending the inner wall of the pressing cavity 4 radially outward, and the axle pin notch 5 is symmetrically arranged along the central axis of the pressing cavity 4.

The inner wall in punching press chamber 4 is used for laminating with the bent axle outer wall, and pivot breach 5 and the laminating in punching press chamber 4 carry out punching press operation to bent axle and bent axle round pin simultaneously through punching press post 6, save the step of separately punching press, improve production efficiency, and simultaneously, the bent axle structure after the equipment carries out whole punching press operation, can directly improve the production precision of product.

In this embodiment, the punching press chamber 4 be located the center department of fixed disk 3, punching press chamber 4 sets up with the fixed disk 3 is concentric, just fixed disk 3 and lower bolster 2 form to dismantle and be connected.

The fixed disc 3 and the lower template 2 form detachable connection, the fixed disc 3 with different sizes is changed, the crankshafts with different sizes can be directly punched, the application range of the structure is enlarged, and meanwhile, the design of the detachable connection is convenient for maintenance of partial structures.

As shown in fig. 1, in this embodiment, the output shaft of the linear actuator 100 is detachably connected to a pushing plate 10, the sleeve 9 is detachably connected to the pushing plate 10, the punching studs 6 are located at the center of the pushing plate 10, and the sleeves 9 are uniformly distributed along the circumference of the punching studs 6.

Punching press post 6 is located the center department that pushes away driving disk 10, and before carrying out the punching press operation, the in-process of removing punching press post 6, punching press post 6 is just to the bent axle center all the time, avoids pushing away the dish 10 and takes place the slope, leads to both sides reference column 8 and sleeve 9 can't cooperate.

In this embodiment, a plurality of reference column 8 be evenly distributed along fixed disk 3 circumference, reference column 8 is the same with the quantity of sleeve 9, the inside of every sleeve 9 is equipped with the cavity that matches with corresponding reference column 8 and fits.

The diameter less than or equal to of reference column 8 is the internal diameter of sleeve 9, and when location operation, inside reference column 8 can move along vertical direction and get into sleeve 9, the outer wall of reference column 8 and the laminating of the inner wall of sleeve 9 avoided taking place the ascending positioning deviation of horizontal direction.

In this embodiment, the positioning column 8 coincides with a central axis of the corresponding sleeve 9, a projection of the positioning column 8 in the vertical direction is located in a cavity of the sleeve 9, and a diameter of the cavity in the sleeve 9 is equal to a diameter of the corresponding positioning column 8.

The positioning columns 8 correspond to the sleeves 9 one by one, and enter the sleeves 9 with equal quantity through the plurality of positioning columns 8, so that the matching of the upper position and the lower position is achieved, the deviation of positioning before the stamping operation is avoided, and the part structure is damaged by the stamping operation.

As shown in fig. 2, in this embodiment, two sides of the fixed tray 3 are provided with limiting posts 11, the pushing tray 10 is provided with a limiting tray 13 matched with the limiting posts 11, the bottom of the limiting posts 11 is provided with a height table 12, and the height table 12 is located between the limiting posts 11 and the fixed tray 3.

The height table 12 is used for adjusting the height of the limiting column 11, the limiting column 11 is matched with the height table 12 at the same time, and the distance that the stamping column 6 moves downwards in the stamping operation process is adjusted, so that the effect of stamping crankshafts with different thicknesses is achieved, and the range of production of the mechanism is expanded.

In this embodiment, spacing post 11 is the symmetry setting along the center pin of fixed disk 3, spacing post 11 in the central point department that vertical direction ascending projection is located spacing dish 13, the one end that spacing dish 13 kept away from spacing post 11 is the closed form.

The limiting disc 13 is in contact with the limiting column 11, the stamping column 6 stops moving downwards, excessive downward movement of the stamping column 6 is avoided, and the stamping column is matched with the fixed disc 3 to extrude the crankshaft structure excessively, so that the product deformation cannot meet the production requirement.

As shown in FIG. 2, in the present embodiment, the height table 12 is detachably connected to the fixing plate 3, and the height table 12 is detachably connected to the position-limiting post 11.

The height table 12 and the fixed disc 3 can be detached, when crankshafts with different thicknesses are pressed and mounted, the height of the height table 12 can be changed correspondingly, the exposed height of the limiting column 11 can also be changed, and the thickness range of the crankshafts capable of being pressed and mounted is expanded.

As shown in fig. 1, in the present embodiment, the position-limiting column 11 is screwed with the height platform 12, and the position-limiting column 11 penetrates through the height platform 12.

The limit column 11 is in threaded connection with the height table 12, the limit column 11 is rotated, the length of the part, exposed above the height table 12, of the limit column 11 is changed along with the rotation, the limit column 11 is matched with the limit disc 13, and the pressing distance of the punching column 6 is changed, so that the connecting rods with different sizes are produced in a punching mode.

The utility model discloses a theory of operation is: the crankshaft structure who will accomplish the equipment is fixed on fixed disk 3, start linear actuator 100 and drive pushing disk 10 and remove downwards, in the removal in-process of pushing disk 10, reference column 8 and sleeve 9 mutually support, prevent that the pushing disk from transversely taking place the deviation, a punching press through punching press post 6, accomplish the stamping forming of bent axle overall structure, make the structure of accomplishing the assembly operation, just reach complete production requirement behind a stamping forming operation, prevent to take place in traditional production operation because of carrying out the size deviation that punching press operation reassembles and arouse earlier, the product precision is improved, the life of extension integrated device.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms of the fixed base 1, the lower template 2, the fixed disc 3, the punching chamber 4, the shaft pin notch 5, the punching column 6, the connecting rod shaft hole 7, the positioning column 8, the sleeve 9, the pushing disc 10, the limit column 11, the height stage 12, the limit disc 13, the linear driver 100, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. A press-fitting clamp for a split crankshaft of a motorcycle engine comprises a fixed base (1), it is characterized in that a lower template (2) is arranged on the fixed base (1), a fixed disc (3) is connected on the end surface of the lower template (2), a punching cavity (4) is arranged inside the fixed disc (3), a shaft pin notch (5) is also arranged on the side wall of the punching cavity (4), a punching column (6) is arranged above the fixed disc (3), the punching column (6) is connected with a linear driver (100), a connecting rod shaft hole (7) is arranged inside the stamping cavity (4), a through hole matched with the connecting rod shaft hole (7) is arranged inside the stamping column (6), and a plurality of positioning columns (8) are arranged around the fixed disc (3), sleeves (9) which are in one-to-one correspondence with the positioning columns (8) are arranged above the positioning columns (8), and the sleeves (9) are positioned around the stamping columns (6).

2. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 1, wherein the inner wall of the punching cavity (4) is a smooth cylindrical curved surface, the axle pin notch (5) is formed by extending the inner wall of the punching cavity (4) outwards in the radial direction, and the axle pin notches (5) are symmetrically arranged along the central axis of the punching cavity (4).

3. The motorcycle engine split crankshaft press-fitting clamp as claimed in claim 2, wherein the punching cavity (4) is located at the center of the fixed disc (3), the punching cavity (4) and the fixed disc (3) are concentrically arranged, and the fixed disc (3) and the lower template (2) are detachably connected.

4. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 1, wherein a push disc (10) is detachably connected to an output shaft of the linear actuator (100), the sleeve (9) is detachably connected to the push disc (10), the punching columns (6) are located at the center of the push disc (10), and the sleeve (9) is uniformly distributed along the circumferential direction of the punching columns (6).

5. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 4, wherein the plurality of positioning columns (8) are uniformly distributed along the circumferential direction of the fixed disc (3), the number of the positioning columns (8) is the same as that of the sleeves (9), and a cavity matched with the corresponding positioning column (8) is formed in each sleeve (9).

6. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 5, wherein the positioning columns (8) coincide with the central axes of the corresponding sleeves (9), the projections of the positioning columns (8) in the vertical direction are located in the cavities of the sleeves (9), and the diameters of the cavities in the sleeves (9) are equal to the diameters of the corresponding positioning columns (8).

7. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 6, wherein the fixed disc (3) is provided with limiting columns (11) at two sides thereof, the pushing disc (10) is provided with a limiting disc (13) matched with the limiting columns (11), the bottom of the limiting columns (11) is provided with a height table (12), and the height table (12) is located between the limiting columns (11) and the fixed disc (3).

8. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 7, wherein the limiting posts (11) are symmetrically arranged along the central axis of the fixed disc (3), the projection of the limiting posts (11) in the vertical direction is located at the center of the limiting disc (13), and one end of the limiting disc (13) far away from the limiting posts (11) is closed.

9. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 7, wherein the height table (12) is detachably connected with the fixed disc (3), and the height table (12) is detachably connected with the limiting column (11).

10. The press-fitting clamp for the split crankshaft of the motorcycle engine as claimed in claim 9, wherein the limiting column (11) is in threaded connection with the height table (12), and the limiting column (11) penetrates through the height table (12).

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