CN205032981U - Piston pin hole adds clamping apparatus - Google Patents
Piston pin hole adds clamping apparatus Download PDFInfo
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- CN205032981U CN205032981U CN201520826567.4U CN201520826567U CN205032981U CN 205032981 U CN205032981 U CN 205032981U CN 201520826567 U CN201520826567 U CN 201520826567U CN 205032981 U CN205032981 U CN 205032981U
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- pin hole
- piston pin
- guide groove
- seam dish
- base
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Abstract
The utility model discloses a piston pin hole adds clamping apparatus for the processing of piston pin hole, including tang dish and base, wherein, the up end of tang dish is provided with heavy platform, the up end of tang dish is provided with the guide slot, the guide slot is followed heavy platform extends to always the tang dish is outside, the base is connected the tang dish is the terminal surface down, the base is used for rightly the tang dish provides the support, tang dish inside is provided with first water conservancy diversion route, first water conservancy diversion route is followed heavy platform extends to always the tang dish is the terminal surface down, the inside second water conservancy diversion route that is provided with of base, second water conservancy diversion route tail end with first water conservancy diversion route is linked together, second water conservancy diversion route head end extends to always the base is outside. The smear metal was blockked up during this piston pin hole adds clamping apparatus can effectively prevent the piston pin hole course of working, ensured the process velocity of piston pin hole, can guarantee piston pin hole processingquality again.
Description
Technical field
The utility model relates to technical field of engines, more particularly, and particularly a kind of piston pin hole clamp for machining.
Background technology
Piston is the vital part of engine, and for engine start plays effect of crucial importance, piston is generally used for bearing gas pressure, orders about crankshaft rotating by piston pin by connecting rod.General piston can be divided into: diesel engine piston, piston of gasoline engine, universal piston three major types.In recent years, due to improving constantly of engine reinforcing degree, the rotating speed of engine, mean effective pressure and mean piston speed have increased significantly all than before, therefore the thermic load of engine and mechanical load both increase, because piston works when high temperature, high load capacity, even insufficient lubrication for a long time, subject mechanical load and the thermic load of cycle alternation, be therefore easy to break down, even cause the running of whole engine to stop.Therefore, whether plunger designs is reasonable, and whether crudy meets the requirements, and directly has influence on the dynamic property of engine, economy, comfortableness, reliability and service life.Meanwhile, along with the development of engine technology, engine power density improves day by day, and structure is increasingly compact, and the application of various little cylinder diameter piston is increasingly extensive.
In prior art, the processing of little cylinder diameter piston pin hole is generally positioned by the fixture of routine, and then utilizes Boring machine processing, processes to pass into cooling fluid and cool.Because the overall dimensions of little cylinder diameter piston is smaller, on little cylinder diameter piston, the diameter of pin-and-hole is also relatively little, therefore, in these minor diameter pin-and-hole process, along with the High Rotation Speed of cutter bar of boring lathe, the chip that working angles produces is easy to the stop being subject to conventional clamp, thus piles up in pin-and-hole, be difficult to get rid of in time, had a strong impact on the process velocity of pin-and-hole; In addition, the chip do not got rid of in time is easy to again be brought in pin-and-hole by knife bar, and cause pin bore surface to scratch, pin bore surface roughness is poor, has had a strong impact on the crudy of pin-and-hole.
In sum; how to provide one effectively can prevent chip blocking in piston pin hole process; guarantee the process velocity of piston pin hole, can ensure that again the piston pin hole clamp for machining of piston pin hole crudy becomes those skilled in the art's problem demanding prompt solution.
Utility model content
The technical problems to be solved in the utility model is for providing a kind of piston pin hole clamp for machining; this piston pin hole clamp for machining is by its structural design; effectively can prevent chip blocking in piston pin hole process, guarantee the process velocity of piston pin hole, piston pin hole crudy can be ensured again.
A kind of piston pin hole clamp for machining, for the processing of piston pin hole, comprises seam dish and base, wherein,
The upper surface of described seam dish is provided with heavy stand, and described heavy stand is for being embedded in the processing end of piston pin hole;
The upper surface of described seam dish is provided with guide groove, and it is outside that described guide groove extends to described seam dish from described heavy stand always, and described guide groove is used for the derivation of chip in piston pin hole processing;
Described base is connected to described seam dish lower surface, and described base is used for providing support described seam dish;
Described seam dish inside is provided with the first guide passage, and described first guide passage extends to described seam dish lower surface from described heavy stand always, and described first guide passage is used for the circulation of cooling fluid in described seam dish inside;
Described chassis interior is provided with the second guide passage, described second guide passage tail end is connected with described first guide passage, described second guide passage head end extends to described base exterior always, and described second guide passage is used for the circulation of cooling fluid at described chassis interior.
Preferably, described guide groove comprises left guide groove and right guide groove, and described left guide groove and right guide groove are symmetricly set on the both sides, upper surface of described seam dish.
Preferably, described left guide groove or/and described right guide groove are inclined guide groove, and described inclined guide groove reduces gradually from described heavy stand center toward described seam dish external height.
Preferably, connecting rod is provided with between described seam dish and described base.
Preferably, described seam dish and described base axle center place are provided with through hole, and described connecting rod is arranged in described through hole.
The beneficial effects of the utility model are: the piston pin hole clamp for machining that the utility model provides, by its structural design, effectively can prevent chip blocking in piston pin hole process, guarantee the process velocity of piston pin hole, can ensure piston pin hole crudy again.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Accompanying drawing 1 is the overall structure schematic diagram of a kind of piston pin hole clamp for machining of the utility model;
Accompanying drawing 2 is a kind of piston pin hole clamp for machining of the utility model seam dish top view;
Accompanying drawing 3 is the axial sectional view of a kind of piston pin hole clamp for machining of the utility model seam dish;
Accompanying drawing 4 is a kind of piston pin hole clamp for machining of the utility model base vertical view;
Accompanying drawing 5 is a kind of piston pin hole clamp for machining of the utility model base front view.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.
Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
See accompanying drawing 1 to accompanying drawing 5, accompanying drawing 1 is to the specific embodiment that figure 5 provides a kind of piston pin hole clamp for machining of the utility model, and wherein, accompanying drawing 1 is the overall structure schematic diagram of piston pin hole clamp for machining; Accompanying drawing 2 is piston pin hole clamp for machining seam dish top view; Accompanying drawing 3 is the axial sectional view of piston pin hole clamp for machining seam dish; Accompanying drawing 4 is piston pin hole clamp for machining base vertical view; Accompanying drawing 5 is piston pin hole clamp for machining base front view.
As shown in accompanying drawing 1 to accompanying drawing 5, this piston pin hole clamp for machining, for the processing of piston pin hole, comprises seam dish 1 and base 2, wherein,
The upper surface 101 of seam dish 1 is provided with heavy stand 3, and heavy stand 3, for being embedded in the processing end of piston pin hole 7, so, in the process of piston pin hole 7, can realize fixing piston position by heavy stand 3.
The upper surface 101 of seam dish 1 is provided with guide groove 4, it is outside that guide groove 4 extends to seam dish 1 from heavy stand 3 always, guide groove 4 is for the derivation of chip in piston pin hole 7 processing, so, in the process of piston pin hole 7, the chip produced in piston pin hole 7 is dropped after in heavy stand 3, can export to seam dish 1 outside from guide groove 4.
Base 2 is connected to seam dish 1 lower surface 102, and base 2 is for providing support seam dish 1.
Seam dish 1 inside is provided with the first guide passage 5, first guide passage 5 and extends to seam dish 1 lower surface 102, first guide passage 5 for the circulation of cooling fluid in seam dish 1 inside from heavy stand 3 always.
Base 2 inside is provided with the second guide passage 6, second guide passage 6 tail end and is connected with the first guide passage 5, and it is outside that the second guide passage 6 head end extends to base 2 always, and the second guide passage 6 is for the circulation of cooling fluid in described base 2 inside.
So, when cooling fluid is after the second guide passage 6 head end input, cooling fluid is circulated to the second guide passage 6 tail end, be circulated to again in the first guide passage 5, be then circulated to heavy stand 3 place, then import in piston pin hole 7, so, there is provided cooling effect both can to the processing of piston pin hole 7, and have again part cooling fluid to flow out from guide groove 4, take away the chip produced in piston pin hole 7 process.Namely arrow in accompanying drawing 1 represents the circulating direction of cooling fluid.
Generally, the piston pin hole clamp for machining that the utility model provides, by its structural design, effectively can prevent chip blocking in piston pin hole 7 process, guarantee the process velocity of piston pin hole 7, can ensure again piston pin hole 7 crudy.
In the present embodiment, the derivation of chip in processing for better facilitating piston pin hole 7, guide groove 4 comprises left guide groove 401 and right guide groove 402, and left guide groove 401 and right guide groove 402 are symmetricly set on the both sides, upper surface 101 of seam dish 1.
In the present embodiment, for accelerating the derivation of chip further, left guide groove 401 or/and right guide groove 402 are inclined guide groove, and inclined guide groove reduces from heavy stand 3 center gradually toward seam dish 1 external height.
In the present embodiment, for convenience of the connection between seam dish 1 and base 2, between seam dish 1 and base 2, be provided with connecting rod 8.Certainly, for this programme, also connecting screw rod can be selected, attachment screw or other bindiny mechanisms.
In the present embodiment, for convenience of installation and the location of above-mentioned connecting rod 8, seam dish 1 and base 2 axle center place are provided with through hole 9, and connecting rod 8 is arranged in through hole 9.
Above a kind of piston pin hole clamp for machining provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (5)
1. a piston pin hole clamp for machining, for the processing of piston pin hole, is characterized in that, comprises seam dish and base, wherein,
The upper surface of described seam dish is provided with heavy stand, and described heavy stand is for being embedded in the processing end of piston pin hole;
The upper surface of described seam dish is provided with guide groove, and it is outside that described guide groove extends to described seam dish from described heavy stand always, and described guide groove is used for the derivation of chip in piston pin hole processing;
Described base is connected to described seam dish lower surface, and described base is used for providing support described seam dish;
Described seam dish inside is provided with the first guide passage, and described first guide passage extends to described seam dish lower surface from described heavy stand always, and described first guide passage is used for the circulation of cooling fluid in described seam dish inside;
Described chassis interior is provided with the second guide passage, described second guide passage tail end is connected with described first guide passage, described second guide passage head end extends to described base exterior always, and described second guide passage is used for the circulation of cooling fluid at described chassis interior.
2. piston pin hole clamp for machining according to claim 1, is characterized in that, described guide groove comprises left guide groove and right guide groove, and described left guide groove and right guide groove are symmetricly set on the both sides, upper surface of described seam dish.
3. piston pin hole clamp for machining according to claim 2, is characterized in that, described left guide groove or/and described right guide groove are inclined guide groove, and described inclined guide groove reduces gradually from described heavy stand center toward described seam dish external height.
4. piston pin hole clamp for machining according to claim 1, is characterized in that, is provided with connecting rod between described seam dish and described base.
5. piston pin hole clamp for machining according to claim 4, is characterized in that, described seam dish and described base axle center place are provided with through hole, and described connecting rod is arranged in described through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826567.4U CN205032981U (en) | 2015-10-22 | 2015-10-22 | Piston pin hole adds clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826567.4U CN205032981U (en) | 2015-10-22 | 2015-10-22 | Piston pin hole adds clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205032981U true CN205032981U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520826567.4U Active CN205032981U (en) | 2015-10-22 | 2015-10-22 | Piston pin hole adds clamping apparatus |
Country Status (1)
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| CN (1) | CN205032981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834813A (en) * | 2016-06-07 | 2016-08-10 | 安徽省恒泰动力科技有限公司 | Locating base for rough boring of piston pin holes |
| CN112676872A (en) * | 2020-12-30 | 2021-04-20 | 福建钜丰汽车配件有限公司 | High-precision jig for piston |
-
2015
- 2015-10-22 CN CN201520826567.4U patent/CN205032981U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834813A (en) * | 2016-06-07 | 2016-08-10 | 安徽省恒泰动力科技有限公司 | Locating base for rough boring of piston pin holes |
| CN105834813B (en) * | 2016-06-07 | 2017-12-19 | 安徽省恒泰动力科技有限公司 | A kind of positioning pedestal for piston pin hole heavy boring |
| CN112676872A (en) * | 2020-12-30 | 2021-04-20 | 福建钜丰汽车配件有限公司 | High-precision jig for piston |
| CN112676872B (en) * | 2020-12-30 | 2022-04-08 | 福建钜丰汽车配件有限公司 | High-precision jig for piston |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |