CN203791754U - Pin hole machining device for piston - Google Patents
Pin hole machining device for piston Download PDFInfo
- Publication number
- CN203791754U CN203791754U CN201420055626.8U CN201420055626U CN203791754U CN 203791754 U CN203791754 U CN 203791754U CN 201420055626 U CN201420055626 U CN 201420055626U CN 203791754 U CN203791754 U CN 203791754U
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- CN
- China
- Prior art keywords
- main shaft
- pin
- piston
- rose reamer
- plant
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a pin hole machining device for a piston, and belongs to the technical field of machinery. The pin hole machining device solves the problems that in the prior art, an existing pin hole machining device for the piston is low in efficiency and low in finished product quality. The pin hole machining device for the piston comprises a connecting sleeve, a body and a main shaft, wherein the body is detachably connected with the connecting sleeve, and the main shaft is arranged in the body. A first reset spring used for enabling the main shaft to reset is arranged between the body and the main shaft. A chamfering cutter is hinged into the main shaft through a hinge pin. A pushing mechanism for pushing the main shaft to slide forward and backward is arranged on the main shaft. A cutter lifting mechanism is arranged in the body. The tail end of the chamfering cutter is provided with a second reset spring for enabling the chamfering cutter to reset. According to the pin hole machining device, the main shaft extends into a pin hole of the piston, chamfering is conducted on the inner portion of the pin hole after the chamfering cutter is lifted according to the lever principle, and the pin hole machining device is simple in structure, convenient to operate and high in machining efficiency; the chamfering cutter is provided with double blades and can complete two chamfers on the inner wall of the pin hole at a time, and therefore efficiency is further improved.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of interior facing attachment of pin-and-hole processing unit (plant), particularly a kind of piston pin hole of piston.
Background technology
Along with the develop rapidly of current engine design, manufacturing technology, engine is also to high load capacity, high-power future development, and intensity improves constantly.The development of above-mentioned technology causes the mechanically deform load of piston to increase, thereby makes the surface stress skewness of piston pin hole, thereby causes the consequence of the crackle of key seat.
In Piston Machining, the interior chamfering of pin-and-hole, is one important operation on piston, and the assembling of piston pin is played a very important role.But the residing position of interior chamfering is at the inner chamber of piston, is a place that is difficult to be worked into.The method of available technology adopting: on drilling machine, add a bulb and frustrate cutter, the hand-held piston of workman then, will in the place of chamfering come to bulb and filed processing.This processing method: one, processing is of low quality, rough, and size is uneven, and can not pour into completely; Two, in the product appearance processing, be difficult to satisfactory; Three, very high to workman's specification requirement, need to just can devote oneself to work through long-time training, strengthened the production cost of enterprise, reduce production efficiency; Four, be there is to very large hidden danger in workman's personal safety.
Utility model content
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the pin-and-hole processing unit (plant) of piston a kind of simple in structure, easy to operate.
The purpose of this utility model can realize by following technical proposal: a kind of pin-and-hole processing unit (plant) of piston, is characterized in that the body that comprise adapter sleeve, removably connects with adapter sleeve and be arranged on intrinsic main shaft; Between described body and main shaft, be provided with the first back-moving spring resetting for main shaft; In described main shaft, by bearing pin, be hinged with rose reamer; On described main shaft, be provided with and promote the pushing mechanism sliding in main shaft front and back, in described body, be also provided with lifter, and when main shaft slides backward, described rose reamer makes the blade of rose reamer contact with workpiece under the effect of lifter, and the tail end of described rose reamer is provided with the second back-moving spring for rose reamer is resetted.
In the pin-and-hole processing unit (plant) of above-mentioned piston, described lifter comprises the cutter lifting bolt that is arranged at body outer end, the inner of described rose reamer is the guiding surface leaning with cutter lifting bolt, and when described main shaft slides backward, described rose reamer the inner moves downward, and described rose reamer outer end moves upward.
In the pin-and-hole processing unit (plant) of above-mentioned piston, described cutter lifting bolt is threaded with body.By regulating the degree of depth that is spirally connected of cutter lifting bolt, can control the cutter lifting height of rose reamer.
In the pin-and-hole processing unit (plant) of above-mentioned piston, described rose reamer outer end is provided with blade, and described blade is that two and cutting edge are symmetrical arranged.
In the pin-and-hole processing unit (plant) of above-mentioned piston, described pushing mechanism comprises bearing and the outer driving handle arranging of bearing being sheathed on main shaft, and described bearing is connected with main shaft axial restraint.
In the pin-and-hole processing unit (plant) of above-mentioned piston, described bearing both sides are provided with the first jump ring.Jump ring is used for bearing and main shaft axial restraint.
In the pin-and-hole processing unit (plant) of above-mentioned piston, in described body, be sheathed on main shaft place and be also provided with the second jump ring that prevents main shaft disengaging body.
In the pin-and-hole processing unit (plant) of above-mentioned piston, described adapter sleeve is threaded with body.Can adjust by the degree of depth that is spirally connected of adapter sleeve and body the elastic force of the first spring.
Compared with prior art, the pin-and-hole processing unit (plant) of this piston stretches in piston pin hole by main shaft, and by lever principle, rose reamer is lifted and rear chamfering carried out in pin-and-hole inside, and it is simple in structure, easy to operate, and working (machining) efficiency is high; And rose reamer is double cutting edge, can disposablely complete two chamferings of pin-and-hole inwall, further raise the efficiency.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the pin-and-hole processing unit (plant) of this piston.
In figure, 1, adapter sleeve; 2, body; 3, main shaft; 31, the second jump ring; 32, bearing pin; 4, the first back-moving spring; 5, rose reamer; 51, guiding surface; 52, blade; 6, the second back-moving spring; 7, cutter lifting bolt; 8, driving handle; 81, bearing; 82, the first jump ring.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, the pin-and-hole processing unit (plant) of this piston comprise adapter sleeve 1, the body 2 that removably connects with adapter sleeve 1 and be arranged on the main shaft 3 in body 2; Between body 2 and main shaft 3, be provided with the first back-moving spring 4 resetting for main shaft 3; In main shaft 3, by bearing pin 32, be hinged with rose reamer 5; On main shaft 3, be provided with and promote the pushing mechanism sliding in main shaft 3 front and back, in body 2, be also provided with lifter, and when main shaft 3 slides backward, rose reamer 5 makes the blade 52 of rose reamer 5 contact with workpiece under the effect of lifter, and the tail end of rose reamer 5 is provided with the second back-moving spring 6 for rose reamer 5 is resetted.Lifter comprises the cutter lifting bolt 7 that is arranged at body 2 outer ends, and the inner of rose reamer 5 is the guiding surface 51 leaning with cutter lifting bolt 7, and when main shaft 3 slides backward, rose reamer 5 the inners move downward, and rose reamer 5 outer ends move upward.
Cutter lifting bolt 7 is threaded with body 2.By regulating the degree of depth that is spirally connected of cutter lifting bolt 7, can control the cutter lifting height of rose reamer 5.Rose reamer 5 outer ends are provided with blade 52, and described blade 52 is that two and cutting edge are symmetrical arranged, and facilitates two interior chamferings of time processing pin-and-hole inwall.Above-mentioned pushing mechanism comprises the bearing 81 that is sheathed on main shaft 3 and the driving handle 8 of bearing 81 outer settings, and described bearing 81 is connected with main shaft 3 axial restraints.Bearing 81 both sides are provided with the first jump ring 82, for by bearing 81 and main shaft 3 axial restraints.In body 2, be sheathed on main shaft 3 places and be also provided with the second jump ring 31 that prevents main shaft 3 disengaging bodies 2.Adapter sleeve 1 is threaded with body 2.Can adjust by adapter sleeve 1 and the degree of depth that is spirally connected of body 2 elastic force of the first spring.
The pin-and-hole processing unit (plant) operation principle of this piston is as follows: first workpiece is positioned on main shaft 3, driving handle 8 inwardly promotes main shaft 3, the inner of rose reamer 5 and cutter lifting bolt 7 lean, under the effect of guiding surface 51, the inner of rose reamer 5 moves downward, under the leverage of bearing pin 32, blade 52 one end move up, thereby complete the processing to chamfering in pin-and-hole; Complete after processing, by handle, outwards drag, main shaft 3 is outwards motion under the effect of the first spring, and the inner of rose reamer 5 moves upward under the effect of the second spring simultaneously, drives blade 52 to move downward in income main shaft 3, completes the processing of an operation.
The pin-and-hole processing unit (plant) of this piston stretches in piston pin hole by main shaft 3, and by lever principle, rose reamer 5 is lifted and rear chamfering carried out in pin-and-hole inside, and it is simple in structure, easy to operate, and working (machining) efficiency is high; And rose reamer 5 is double cutting edge 52, can disposablely complete two chamferings of pin-and-hole inwall, further raise the efficiency.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. a pin-and-hole processing unit (plant) for piston, is characterized in that, the body that comprise adapter sleeve, removably connects with adapter sleeve and be arranged on intrinsic main shaft; Between described body and main shaft, be provided with the first back-moving spring resetting for main shaft; In described main shaft, by bearing pin, be hinged with rose reamer; On described main shaft, be provided with and promote the pushing mechanism sliding in main shaft front and back, in described body, be also provided with lifter, and when main shaft slides backward, described rose reamer makes the blade of rose reamer contact with workpiece under the effect of lifter, and the tail end of described rose reamer is provided with the second back-moving spring for rose reamer is resetted.
2. the pin-and-hole processing unit (plant) of piston according to claim 1, it is characterized in that, described lifter comprises the cutter lifting bolt that is arranged at body outer end, the inner of described rose reamer is the guiding surface leaning with cutter lifting bolt, and when described main shaft slides backward, described rose reamer the inner moves downward, and described rose reamer outer end moves upward.
3. the pin-and-hole processing unit (plant) of piston according to claim 2, is characterized in that, described cutter lifting bolt is threaded with body.
4. the pin-and-hole processing unit (plant) of piston according to claim 3, is characterized in that, described rose reamer outer end is provided with blade, and described blade is that two and cutting edge are symmetrical arranged.
5. according to the pin-and-hole processing unit (plant) of the piston described in claim 1 or 2 or 3 or 4, it is characterized in that, described pushing mechanism comprises bearing and the outer driving handle arranging of bearing being sheathed on main shaft, and described bearing is connected with main shaft axial restraint.
6. the pin-and-hole processing unit (plant) of piston according to claim 5, is characterized in that, described bearing both sides are provided with the first jump ring.
7. according to the pin-and-hole processing unit (plant) of the piston described in claim 1 or 2 or 3 or 4, it is characterized in that, in described body, be sheathed on main shaft place and be also provided with the second jump ring that prevents main shaft disengaging body.
8. according to the pin-and-hole processing unit (plant) of the piston described in claim 1 or 2 or 3 or 4, it is characterized in that, described adapter sleeve is threaded with body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055626.8U CN203791754U (en) | 2014-01-28 | 2014-01-28 | Pin hole machining device for piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055626.8U CN203791754U (en) | 2014-01-28 | 2014-01-28 | Pin hole machining device for piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791754U true CN203791754U (en) | 2014-08-27 |
Family
ID=51374023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420055626.8U Expired - Fee Related CN203791754U (en) | 2014-01-28 | 2014-01-28 | Pin hole machining device for piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962223A (en) * | 2017-11-29 | 2018-04-27 | 中山市榄商置业发展有限公司 | A kind of milling cutter with chamfering |
-
2014
- 2014-01-28 CN CN201420055626.8U patent/CN203791754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962223A (en) * | 2017-11-29 | 2018-04-27 | 中山市榄商置业发展有限公司 | A kind of milling cutter with chamfering |
| CN107962223B (en) * | 2017-11-29 | 2019-08-13 | 重庆市江骏阳科技有限公司 | A kind of milling cutter with chamfering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20160128 |
|
| EXPY | Termination of patent right or utility model |