CN212598400U - Precise press-fitting mechanism for oil thrower of engine crankshaft - Google Patents
Precise press-fitting mechanism for oil thrower of engine crankshaft Download PDFInfo
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- CN212598400U CN212598400U CN202020868110.0U CN202020868110U CN212598400U CN 212598400 U CN212598400 U CN 212598400U CN 202020868110 U CN202020868110 U CN 202020868110U CN 212598400 U CN212598400 U CN 212598400U
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- connecting rod
- oil thrower
- engine crankshaft
- fitting mechanism
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Abstract
The utility model provides an accurate pressure equipment mechanism of engine crankshaft oil thrower belongs to pressure equipment machinery. It includes fixed baseplate, fixed baseplate on be equipped with fixing support, fixing support is located the fixed baseplate top, is equipped with hierarchical step on the fixing support, one side of hierarchical step is equipped with uncovered groove, fixing base on be equipped with the connecting rod jack, the connecting rod jack is located hierarchical step below, fixing support's top still is equipped with the punching press post, the inside punching press hole that is equipped with of punching press post, the punching press post on be connected with the sharp driver, be equipped with the round pin piece circle on the terminal surface of punching press post, just uncovered groove, punching press post and connecting rod jack be located same straight line. The utility model has the advantages of simple structure, high production efficiency and convenient use.
Description
Technical Field
The utility model belongs to pressure equipment machinery relates to an accurate pressure equipment mechanism of engine crankshaft oil thrower.
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. In the production process of traditional motorcycle bent axle disc, directly treating the processing structure and fixing, carrying out the pressure equipment operation to this structure again, assembling connecting rod and disc at last, size or the shape deviation that can lead to taking place the structure after disc and connecting rod equipment are inconsistent with former production requirement.
For example, the chinese utility model discloses a method of machining a supercharger oil thrower disc [ application number: 201811305529.9], comprising the following steps: a. carrying out primary heat treatment on the blank; b. roughly turning an outer circle, an inner hole, a gas compression end and a turbine end of the oil thrower disc; c. carrying out second heat treatment; d. semi-finish turning the excircle, the inner hole, the air compression end and the turbine end of the oil thrower, and reserving grinding allowance; e. milling an excircle sinking platform; f. surface nitriding treatment; g. testing the depth and hardness of the nitriding layer; h. flaw detection; i. clamping the oil thrower disc once, aligning the matching surfaces of the inner hole and the turbine end, finely grinding the matching surfaces of the inner hole and the turbine end, and polishing the inner hole chamfer of the turbine end; j. accurately grinding the large end faces and the excircle at the two ends of the oil thrower by taking the matching surface of the ground inner hole and the ground turbine end as a reference; k. aligning the matching surface of the grinded turbine end, finely grinding the matching surface of the air compression end of the oil thrower disc, and polishing the inner hole chamfer of the air compression end. However, this solution only performs press fitting for a single oil thrower, and no special mechanism is provided for the press fitting operation.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a provide an accurate pressure equipment mechanism of engine crankshaft oil thrower.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides an accurate pressure equipment mechanism of engine crankshaft oil throwing disc, includes fixed baseplate, fixed baseplate on be equipped with fixing support, fixing support is located the fixed baseplate top, the last hierarchical step that is equipped with of fixing support, one side of hierarchical step is equipped with uncovered groove, fixing pedestal on be equipped with the connecting rod jack, the connecting rod jack is located hierarchical step below, fixing support's top still is equipped with the punching press post, the inside punching press hole that is equipped with of punching press post, the punching press post on be connected with the sharp driver, be equipped with the round pin piece circle on the terminal surface of punching press post, just uncovered groove, punching press post and connecting rod jack be located same straight line.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, the outer wall of the open groove is superposed with the inner wall of the grading step, and the section of one end, close to the first step, of the open groove is semicircular.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, the grading step comprises a first step which is in a semicircular shape, and the end surfaces of two sides of the first step respectively extend outwards to form a positioning step.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, the side walls of the two positioning steps are attached to the fixed support, and the two positioning steps are symmetrically arranged along the central axis of the open groove.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, the axis of the connecting rod jack and the axis of the first step are positioned on the same straight line, and the diameter of the connecting rod jack is smaller than the inner diameter of the first step.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, the pin sheet ring is formed by sinking a stamping column and is annular, and the axis of the stamping column and the axis of the pin sheet ring are positioned on the same straight line.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, the axis of the connecting rod jack and the axis of the stamping hole are positioned on the same straight line, and the projection of the stamping hole in the vertical direction is positioned at the center of the first step.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, the fixed support is positioned at the center of the fixed base, a plurality of fixed clamping blocks are arranged around the fixed support, the fixed clamping blocks are detachably connected with the fixed base, and the plurality of fixed clamping blocks are uniformly distributed along the axial direction of the fixed support.
In the precise press-fitting mechanism for the engine crankshaft oil thrower disc, a pushing groove is arranged on one side, close to the connecting rod insertion hole, of the fixed support, the diameter of the pushing groove is larger than that of the connecting rod insertion hole, and one side, far away from the connecting rod insertion hole, of the pushing groove is open.
In the precise press-fitting mechanism of the engine crankshaft oil thrower disc, the shape of the propelling groove is the same as that of the opening groove, and the propelling groove and the opening groove are parallel to each other.
Compared with the prior art, the utility model has the advantages of:
1. the structure of the assembled oil thrower and the connecting rod is fixed through the grading steps and the connecting rod jacks respectively, the oil thrower meeting the production requirements is formed through one-time press fitting operation of the press ram, deviation of each part after press fitting is avoided during assembling, and therefore faults of the operation of an engine are avoided.
2. The first step is matched with the fixed support to fix the crankshaft structure and can be positioned and operated, and the first step can also be used as a cavity formed by the structure in the process of stamping the stamping column, so that the structure of the mechanical device is simplified.
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 fixed support 2, a grading step 3, an open groove 4, a connecting rod jack 5, a stamping column 6, a pin sheet ring 7, a first step 8, a positioning step 9, a fixed clamping block 10, a pushing groove 11, a stamping hole 12 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 precise press-fitting mechanism for an engine crankshaft oil thrower comprises a fixed base 1, wherein a fixed support 2 is arranged on the fixed base 1, the fixed support 2 is positioned above the fixed base 1, a grading step 3 is arranged on the fixed support 2, an open groove 4 is arranged on one side of the grading step 3, a connecting rod jack 5 is arranged on the fixed base 1, the connecting rod jack 5 is positioned below the grading step 3, a punching column 6 is also arranged above the fixed support 2, a punching hole 12 is arranged in the punching column 6, a linear driver 100 is connected onto the punching column 6, a pin sheet ring 7 is arranged on the end surface of the punching column 6, and the open groove 4, the punching column 6 and the connecting rod jack 5 are positioned on the same straight line.
In the production process of traditional motorcycle bent axle disc, directly treating the processing structure and fixing, carrying out the pressure equipment operation to this structure again, assembling connecting rod and disc at last, size or the shape deviation that can lead to taking place the structure after disc and connecting rod equipment are inconsistent with former production requirement. In the device, the oil thrower disc and the structure assembled by the connecting rods are fixed through the grading steps 3 and the connecting rod jacks 5 respectively, the oil thrower disc meeting the production requirements is formed through one-time press fitting operation of the stamping column 6, and deviation of each part finished by press fitting during assembly is avoided, so that the engine is prevented from running and breaking down.
In this embodiment, the outer wall of the open groove 4 coincides with the inner wall of the stepped step 3, and the cross section of the open groove 4 near the first step 8 is semicircular.
The side wall of the open slot 4 is a circular arc-shaped curved surface and can be tightly attached to the side wall of the connecting rod, the connecting rod structure is fully fixed in the stamping operation direction, and the phenomenon that the stamping operation is inclined to cause the structure obtained by stamping to be inconsistent with the actual requirement is avoided.
In this embodiment, the stepped portion 3 includes a first step 8, the first step 8 is in a semicircular shape, and two side end surfaces of the first step 8 respectively extend outward to form a positioning step 9.
In this embodiment, the side walls of the two positioning steps 9 are attached to the fixing support 2, and the two positioning steps 9 are symmetrically arranged along the central axis of the open slot 4.
The positioning steps 9 are symmetrically arranged along the central axis of the open groove 4, and when the assembled crankshaft structure is fixed on the fixed support 2, the positioning steps 9 are directly used for positioning, so that the connecting rod is conveniently positioned under the punching hole 12.
In this embodiment, the axis of the connecting rod insertion hole 5 and the axis of the first step 8 are located on the same straight line, and the diameter of the connecting rod insertion hole 5 is smaller than the inner diameter of the first step 8.
The diameter of the connecting rod insertion hole 5 is smaller than the inner diameter of the first step 8, and when the connecting rod moves into the connecting rod insertion hole 5, the connecting rod side wall is prevented from directly colliding with the inner diameter of the first step 8, and the connecting rod is prevented from deforming.
As shown in fig. 2, in the present embodiment, the pin washer 7 is formed by recessing the press stud 6, the pin washer 7 is annular, and the axial center of the press stud 6 and the axial center of the pin washer 7 are located on the same straight line.
The pin sheet ring 7 and the stamping column 6 are positioned through the axis, so that the crankshaft pin is conveniently positioned during stamping, and the phenomenon that the whole structure is scrapped due to deviation of the stamping part structure is avoided.
In this embodiment, the axial center of the connecting rod insertion hole 5 and the axial center of the punching hole 12 are located on the same straight line, and the projection of the punching hole 12 in the vertical direction is located at the center of the first step 8.
The crankshaft structure needing press fitting is fixed on the fixed support 2, the connecting rod is positioned through the punching hole 12, the structure is pressed and fitted into a shape matched with the first step 8 under the pressing of the punching column 6, and the obtained oil thrower structure meets the production requirement.
In this embodiment, fixing support 2 be located fixing base 1's center department, be equipped with a plurality of fixed fixture block 10 around fixing support 2, fixed fixture block 10 forms to dismantle with fixing base 1 and is connected, just a plurality of fixed fixture block 10 along 2 axial evenly distributed of fixing support.
The fixed fixture block 10 is detachably connected with the fixed base 1, the fixed support 2 is fixed on the fixed base 1 through the fixed fixture block 10, and crankshaft parts of different sizes can be pressed and mounted at any time by replacing the fixed support 2 of different specifications.
As shown in fig. 1, in the present embodiment, a pushing groove 11 is disposed on a side of the fixed support 2 close to the connecting rod insertion hole 5, a diameter of the pushing groove 11 is larger than a diameter of the connecting rod insertion hole 5, and a side of the pushing groove 11 away from the connecting rod insertion hole 5 is open.
Impel 11 one side in groove to be uncovered form, be convenient for get into fixing support 2 with the connecting rod along linear direction parallel translation and fix, prevent to accomplish the in-process that the structure of equipment removed and bump, lead to the connecting rod structure to take place to damage.
In this embodiment, the shape of the propulsion groove 11 is the same as that of the open groove 4, and the propulsion groove 11 and the open groove 4 are parallel to each other.
The pushing groove 11 and the open groove 4 are the same in shape and parallel, and the crankshaft structure is pushed into the fixed support 2 to be fixed along the positions of the two grooves, so that the connecting rod is perpendicular to the stamping column 6, and the crankshaft pin and the crank are parallel to the grading step 3.
The utility model discloses a theory of operation is: assemble disc and connecting rod, the structure of accomplishing the equipment pushes fixing support 2 along uncovered groove 4 and propulsion groove 11 direction parallel, fix on fixing support 2 through first step 8, start linear actuator 100, punching press post 6 moves down, stretch into punching press hole 12 with the connecting rod, and with the wheel-shaped structure on the bent axle through punching press post 6 cooperation first step 8 stamping forming obtain the disc, the bent axle round pin passes through 7 stamping forming of round pin piece circle simultaneously, accomplish a punching press operation and obtain the whole disc structure that accords with the requirement.
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 fixed base 1, fixed support 2, stepped step 3, open slot 4, link jack 5, stamped post 6, pin washer 7, first step 8, locating step 9, fixed latch 10, push slot 11, stamped hole 12, linear drive 100, etc. are used more herein, 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 precise press-fitting mechanism of an engine crankshaft oil thrower comprises a fixed base (1), it is characterized in that a fixed support (2) is arranged on the fixed base (1), the fixed support (2) is positioned above the fixed base (1), a grading step (3) is arranged on the fixed support (2), an open groove (4) is arranged at one side of the grading step (3), the fixed base (1) is provided with a connecting rod jack (5), the connecting rod jack (5) is positioned below the grading step (3), a stamping column (6) is also arranged above the fixed support (2), a stamping hole (12) is arranged inside the stamping column (6), the punching column (6) is connected with a linear driver (100), the end surface of the punching column (6) is provided with a pin sheet ring (7), and the open slot (4), the stamping column (6) and the connecting rod jack (5) are positioned on the same straight line.
2. The precise press-fitting mechanism of the engine crankshaft oil thrower disc as claimed in claim 1, characterized in that the outer wall of the open groove (4) coincides with the inner wall of the stepped step (3), and the cross section of the open groove (4) near the end of the first step (8) is semicircular.
3. The precise press-fitting mechanism of the engine crankshaft oil thrower disc as claimed in claim 2, characterized in that the grading step (3) comprises a first step (8), the first step (8) is in a semi-circular shape, and two side end faces of the first step (8) respectively extend outwards to form a positioning step (9).
4. The precise press-fitting mechanism of the engine crankshaft oil thrower plate is characterized in that the side walls of the two positioning steps (9) are attached to the fixed support (2), and the two positioning steps (9) are symmetrically arranged along the central axis of the open groove (4).
5. The precise press-fitting mechanism of the engine crankshaft oil thrower plate of claim 4, characterized in that the axis of the connecting rod insertion hole (5) and the axis of the first step (8) are positioned on the same straight line, and the diameter of the connecting rod insertion hole (5) is smaller than the inner diameter of the first step (8).
6. The precise press-fitting mechanism of the engine crankshaft oil thrower disc as claimed in claim 5, characterized in that the pin sheet ring (7) is formed by a stamping column (6) in a concave manner, the pin sheet ring (7) is in a circular ring shape, and the axial center of the stamping column (6) and the axial center of the pin sheet ring (7) are positioned on the same straight line.
7. The precise press-fitting mechanism of the engine crankshaft oil thrower plate of claim 6, characterized in that the axes of the connecting rod insertion holes (5) and the axes of the punching holes (12) are positioned on the same straight line, and the projection of the punching holes (12) in the vertical direction is positioned at the center of the first step (8).
8. The precise press-fitting mechanism for the oil thrower of the engine crankshaft as claimed in claim 5, wherein the fixed support (2) is located at the center of the fixed base (1), a plurality of fixed blocks (10) are arranged around the fixed support (2), the fixed blocks (10) are detachably connected with the fixed base (1), and the fixed blocks (10) are axially and uniformly distributed along the fixed support (2).
9. The precise press-fitting mechanism of the oil thrower of the engine crankshaft as claimed in claim 8, wherein a pushing groove (11) is formed in one side of the fixed support (2) close to the connecting rod insertion hole (5), the diameter of the pushing groove (11) is larger than that of the connecting rod insertion hole (5), and one side of the pushing groove (11) far away from the connecting rod insertion hole (5) is open.
10. The precise press-fitting mechanism of the engine crankshaft oil thrower plate of claim 9, characterized in that the shape of the thrust groove (11) is the same as that of the open groove (4), and the thrust groove (11) and the open groove (4) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020868110.0U CN212598400U (en) | 2020-05-21 | 2020-05-21 | Precise press-fitting mechanism for oil thrower of engine crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020868110.0U CN212598400U (en) | 2020-05-21 | 2020-05-21 | Precise press-fitting mechanism for oil thrower of engine crankshaft |
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| CN212598400U true CN212598400U (en) | 2021-02-26 |
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| CN202020868110.0U Active CN212598400U (en) | 2020-05-21 | 2020-05-21 | Precise press-fitting mechanism for oil thrower of engine crankshaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247819A (en) * | 2021-12-22 | 2022-03-29 | 重庆歇马机械曲轴有限公司 | Crank oil thrower disc press-fitting and edge riveting tool |
-
2020
- 2020-05-21 CN CN202020868110.0U patent/CN212598400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247819A (en) * | 2021-12-22 | 2022-03-29 | 重庆歇马机械曲轴有限公司 | Crank oil thrower disc press-fitting and edge riveting tool |
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