CN209125413U - Crosshead pin turning tool - Google Patents
Crosshead pin turning tool Download PDFInfo
- Publication number
- CN209125413U CN209125413U CN201821991282.6U CN201821991282U CN209125413U CN 209125413 U CN209125413 U CN 209125413U CN 201821991282 U CN201821991282 U CN 201821991282U CN 209125413 U CN209125413 U CN 209125413U
- Authority
- CN
- China
- Prior art keywords
- crosshead pin
- mandrel
- turning tool
- hole
- crosshead
- 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.)
- Expired - Fee Related
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- Insertion Pins And Rivets (AREA)
Abstract
The utility model provides a kind of crosshead pin turning tool, the closing of crosshead pin first end, second end center offers lightening hole, crosshead pin turning tool includes the auxiliary location structure for being connected to crosshead pin first end, auxiliary location structure includes mandrel and the locating piece for being connected to mandrel outer wall, crosshead pin first end center offers the location hole with mandrel cooperation, positioning hole is protruded into mandrel one end, locating piece is against the end face of crosshead pin, and it is detachably connected by fastener with crosshead pin, the other end of the mandrel and the first end of crosshead pin are offered for the centre bore with top cooperation.The utility model can also be ground the outer circle cone of crosshead pin using the centre bore on crosshead pin and on mandrel with two top installation way fine turning outer circle cones on general horizontal lathe with this fixture on grinding machine.The positioning datum of turning and grinding is same to centre bore, not only easy to setup, but also can eliminate the position error of clamping twice, guarantees precision.
Description
Technical field
The utility model relates to tooling and fixture technical field, in particular to a kind of crosshead pin turning tool.
Background technique
Crosshead pin is the important part of piston compressor, which is rotary structure, and diameter end is big,
The other end is small, the tapered structure of outer wall, and in bigger diameter end opening.Its position to be processed is outer conical surface, and outer conical surface precision is wanted
Ask high, due to the bigger diameter end aperture of crosshead pin, on center lathe smart car, grinding cone clamping is difficult on cylindrical grinder,
And machining accuracy is not can guarantee.
Utility model content
In view of the above deficiencies of the prior art, the purpose of this utility model is to provide a kind of crosshead pin turning works
Dress, it is easy to setup, the position error of clamping is eliminated, guarantees the precision of crosshead pin outer circle cone.
In order to achieve the above objects and other related objects, the utility model provides a kind of crosshead pin turning tool, described
The closing of crosshead pin first end, the second end center offer lightening hole, and the crosshead pin turning tool includes being connected to ten
The auxiliary location structure of prefix pin first end, the auxiliary location structure include mandrel and the positioning for being connected to mandrel outer wall
Part, crosshead pin first end center offer the location hole with mandrel cooperation, and the location hole is protruded into described mandrel one end
Interior, locating piece is against the end face of crosshead pin, and with crosshead pin by fastener detachably connected, the other end of the mandrel
It offers with the first end of crosshead pin for the centre bore with top cooperation.
Using the above structure, the outer circle seam allowance of the inner circle seam allowance and mandrel that process in crosshead pin second end cooperates, and leads to
It crosses fastener and mandrel is connect fastening with crosshead pin.Using the centre bore on the centre bore and mandrel on crosshead pin, with two
Top installation way fine turning outer circle cone on general horizontal lathe, the crosshead pin after smart car can also be with this fixture in outer circle
The outer circle cone of crosshead pin is ground on grinding machine.The positioning datum of turning and grinding is same to centre bore, not only easy to setup, but also
The position error of clamping twice can be eliminated, guarantees the precision of crosshead pin outer circle cone.
Further, the locating piece is the ring flange being arranged on mandrel, circumferentially has flange hole on the ring flange,
The ring flange is bolted with crosshead pin second end.
Further, the ring flange and mandrel are integrally formed.
Further, the location hole is stepped hole, and the diameter of location hole is greater than loss of weight bore dia.
Further, crosshead pin second end end face offers the groove for accommodating locating piece, the locating piece position
In in the groove.
Further, flat bit architecture is provided on the mandrel.
Further, the flat bit architecture is arranged on outer wall of the mandrel far from crosshead pin one end.
As described above, the beneficial effects of the utility model are: the utility model, in crosshead pin second end processes
The outer circle seam allowance of circle seam allowance and mandrel cooperates, and mandrel is connect fastening with crosshead pin by fastener.Using on crosshead pin
Centre bore and mandrel on centre bore, with two top installation way fine turning outer circle cones on general horizontal lathe, after smart car
Crosshead pin the outer circle cone of crosshead pin can also be ground on cylindrical grinder with this fixture.The positioning base of turning and grinding
Standard is same to centre bore, not only easy to setup, but also can eliminate the position error of clamping twice, guarantees crosshead pin outer circle cone
Precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Piece mark explanation
1- crosshead pin；11- lightening hole；12- centre bore；13- location hole；14- groove；2- auxiliary location structure；21- core
Axis；22- locating piece；The flat bit architecture of 23-；24- centre bore；25- bolt.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
As shown in Figure 1, the utility model provides a kind of crosshead pin turning tool, wherein crosshead pin 1 is revolving body knot
Structure has major diameter section and miner diameter end, and outer wall is tapered, the closing of 1 first end of crosshead pin, the 1 second end center of crosshead pin
The lightening hole 11 for being pierced by its second end is offered, lightening hole 11 extends to second end, but is not pierced by second end, i.e., lightening hole 11 is
Blind hole；1 turning tool of crosshead pin includes the auxiliary location structure 2 for being connected to 1 first end of crosshead pin, auxiliary positioning knot
Structure 2 includes mandrel 21 and the locating piece 22 for being connected to 21 outer wall of mandrel, and 1 first end center of crosshead pin offers and mandrel 21
The location hole 13 of cooperation, location hole 13 are located at one end of lightening hole 11, and 21 first end of mandrel protrudes into location hole 13, carry out radial
Positioning, locating piece 22 are against on the end face of crosshead pin 1, realize the axially position of mandrel 21 and crosshead pin 1；The locating piece 22
Detachably connected by fastener with crosshead pin 1, the second end of the mandrel 21 and the first end of crosshead pin 1 offer
For the centre bore 12,24 with top cooperation.
Using the above structure, the outer circle seam allowance of the inner circle seam allowance and mandrel 21 that process in 1 second end of crosshead pin cooperates,
Mandrel 21 is connect fastening with crosshead pin 1 by fastener.In on the centre bore 12 and mandrel 21 on crosshead pin 1
Heart hole 24, with two top installation way fine turning outer circle cones on general horizontal lathe, the crosshead pin 1 after smart car can also be used
This fixture is ground the outer circle cone of crosshead pin 1 on cylindrical grinder.The positioning datum of turning and grinding is same to centre bore
12,24, it is not only easy to setup, but also the position error of clamping twice can be eliminated, guarantee the precision of 1 outer circle cone of crosshead pin.
In one embodiment, the locating piece 22 is the ring flange being arranged on mandrel 21, along week on the ring flange
To being disposed with flange hole, 1 second end of crosshead pin is provided with threaded hole corresponding with flange hole, ring flange and crosshead pin 1 the
Two ends are connected by bolt 25.For easy to process and raising intensity, the ring flange and mandrel 21 are integrally formed.
In one embodiment, location hole 13 is stepped hole, and the diameter of location hole 13 is greater than 11 diameter of lightening hole, by subtracting
11 reaming of repeated hole is formed, and the depth of location hole 13 is greater than the length that mandrel 21 protrudes into crosshead pin 1, in order to locating piece 22 and ten
The contact positioning of 1 end face of prefix pin.
It in one embodiment, is the installation stop bit convenient for locating piece 22, the end face of 1 second end of crosshead pin is opened
Equipped with the groove 14 for accommodating locating piece 22, the locating piece 22 is located in the groove 14.
In one embodiment, convenient for clamping or twisting mandrel 21, to be provided with flat bit architecture 23 on mandrel 21.
Specifically, flat bit architecture 23 is arranged on outer wall of the mandrel 21 far from 1 one end of crosshead pin, using removal material
Mode is formed.
Any person skilled in the art all can be under the spirit and scope without prejudice to the utility model, to above-described embodiment
Carry out modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed in the utility model
Spirit with technical idea under all equivalent modifications or change for being completed, should be covered by the claim of the utility model.
Claims (7)
1. a kind of crosshead pin turning tool, the crosshead pin first end closing, the second end center offer lightening hole,
Be characterized in that: the crosshead pin turning tool includes the auxiliary location structure for being connected to crosshead pin first end, the auxiliary
Location structure includes mandrel and the locating piece for being connected to mandrel outer wall, and the crosshead pin first end center offers and mandrel
The positioning hole is protruded into the location hole of cooperation, described mandrel one end, and locating piece is against the end face of crosshead pin, and and crosshead
Pin is detachably connected by fastener, and the other end of the mandrel and the first end of crosshead pin are offered for matching with top
The centre bore of conjunction.
2. crosshead pin turning tool according to claim 1, it is characterised in that: the locating piece is to be arranged on mandrel
Ring flange, circumferentially have flange hole on the ring flange, the ring flange is bolted with crosshead pin second end.
3. crosshead pin turning tool according to claim 2, it is characterised in that: the ring flange and mandrel one at
Type.
4. crosshead pin turning tool according to claim 1, it is characterised in that: the location hole is stepped hole, positioning
The diameter in hole is greater than loss of weight bore dia.
5. crosshead pin turning tool according to claim 1, it is characterised in that: open crosshead pin second end end face
Equipped with the groove for accommodating locating piece, the locating piece is located in the groove.
6. crosshead pin turning tool according to claim 1, it is characterised in that: be provided with flat position knot on the mandrel
Structure.
7. crosshead pin turning tool according to claim 6, it is characterised in that: the flat bit architecture setting is remote in mandrel
On outer wall from crosshead pin one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991282.6U CN209125413U (en) | 2018-11-29 | 2018-11-29 | Crosshead pin turning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991282.6U CN209125413U (en) | 2018-11-29 | 2018-11-29 | Crosshead pin turning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209125413U true CN209125413U (en) | 2019-07-19 |
Family
ID=67247348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821991282.6U Expired - Fee Related CN209125413U (en) | 2018-11-29 | 2018-11-29 | Crosshead pin turning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209125413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038563A (en) * | 2023-01-10 | 2023-05-02 | 一汽解放汽车有限公司 | Grinding tool for oil nozzle of oil sprayer |
-
2018
- 2018-11-29 CN CN201821991282.6U patent/CN209125413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038563A (en) * | 2023-01-10 | 2023-05-02 | 一汽解放汽车有限公司 | Grinding tool for oil nozzle of oil sprayer |
| CN116038563B (en) * | 2023-01-10 | 2024-05-14 | 一汽解放汽车有限公司 | Grinding tool for oil nozzle of oil sprayer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |