CN201768970U - Clamping device for processing plane teeth of connecting rod and matched connecting rod cap of medium speed engine - Google Patents
Clamping device for processing plane teeth of connecting rod and matched connecting rod cap of medium speed engine Download PDFInfo
- Publication number
- CN201768970U CN201768970U CN2010202248742U CN201020224874U CN201768970U CN 201768970 U CN201768970 U CN 201768970U CN 2010202248742 U CN2010202248742 U CN 2010202248742U CN 201020224874 U CN201020224874 U CN 201020224874U CN 201768970 U CN201768970 U CN 201768970U
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- connecting rod
- positioning panel
- hole
- plane
- clamping device
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- Expired - Lifetime
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Abstract
The utility model relates to a clamping device for processing plane teeth of a connecting rod and a matched connecting rod cap of a medium speed engine, which comprises a positioning panel, positioning pins, two auxiliary pins and four process screws, wherein the positioning panel adopts a rectangular plate; four screw holes are arranged on the positioning panel; the four process screws respectively penetrate through the screw holes on the positioning panel and are screwed into the screw holes of the connecting rod; an auxiliary pin hole is also arranged on the positioning panel; the circle centers of the auxiliary pin hole and two screw holes adjacent to the auxiliary pin hole are in an identical line; the two auxiliary pins penetrate through the auxiliary pin hole and are installed in positioning pin holes on the connecting rod; a U-shaped groove is arranged on the positioning panel; the plane where the inner wall on one side of the U-shape groove is located is tangential to the excircle of the auxiliary pin hole; a waist-shaped positioning hole is arranged in a position close to the middle of two screw holes; a plane of the inner wall on one side of the waist-shaped positioning hole is parallel with the plane where the inner wall of the U-shape groove is located; and the distance between the two planes is half tooth pitch. The clamping device has the characteristics that the structure is simple, the clamping device is convenient to use, and the cost is low.
Description
Technical field
The utility model relates to machining, particularly relates to a kind ofly to add the clamping device in man-hour at connecting rod on the middling speed marine diesel with the plane that cooperates between connecting rod cap.
Background technology
The connecting rod of medium seed diesel engine is that the core of marine diesel connects and drive disk assembly.This connecting rod and the plane teeth engagement that being connected of connecting rod cap mainly relies on connecting rod and connecting rod cap and an alignment pin location, wherein the plane teeth engagement requires contact area to reach 90%, requires very high.This has proposed very high requirement to machined, should guarantee that the high accuracy of alignment pin cooperates, and satisfies the high-precision engaging of plane teeth again.For guaranteeing this cooperation requirement, must guarantee the uniformity of connecting rod and connecting rod cap processing environment and machining state.
In the middle of the prior art, on numerical control borer, utilize special-purpose rack milling cutter, to connecting rod and the connecting rod cap combination processing that stacks up.The purpose that adopts this processing method is the uniformity that guarantees connecting rod and connecting rod cap processing environment and machining state as much as possible.
There is following problem in the above-mentioned process that in the past connecting rod and connecting rod cap was made up the processing plane tooth:
1. the school of location transfers difficulty big, and working (machining) efficiency is low.
Owing to add man-hour at the linkage plane tooth, joint face is parallel with the machine tool chief axis axis in a plane in the time of must will guaranteeing at first that connecting rod is superimposed with connecting rod cap, plane teeth and dowel hole need guarantee simultaneously the accurate dislocation of dowel hole half pitch on connecting rod and the connecting rod cap, so that can be realized accurate localization simultaneously.This transfers to school, workpiece location and brings very big difficulty, and length consuming time is transferred in school, workpiece location in actual process, and efficient is low.
2. crudy guarantees ability, poor reliability.
Since above-mentioned the linkage plane tooth add man-hour connecting rod and school, connecting rod cap location transfer operation easier very big, mainly depend on the higher operation technical ability of operator, be difficult to form higher crudy and guarantee ability.
3. operations labor intensity is big.
Since above-mentioned the linkage plane tooth add man-hour connecting rod and school, connecting rod cap location transfer operation easier big, require highly, efficient is low, also needs other work post such as pincers worker to cooperate simultaneously, labor intensity of operating personnel is big.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and provides a kind of and adds the clamping device in man-hour at connecting rod on the middling speed marine diesel with the plane that cooperates between connecting rod cap.Clamping device of the present utility model makes connecting rod and connecting rod cap for carrying out Milling Process on the same processing plane, requires contact area to increase so that the plane teeth engagement to be provided, and the precision of processing is provided, and will guarantees the requirement that misplaces when the two is located.
In order to reach the foregoing invention purpose, the technical scheme that the utility model provides is as follows:
A kind of clamping device that is used for middling speed machine connecting rod and the processing of connecting rod cap cooperation plane teeth, it is characterized in that, described clamping device includes positioning panel, alignment pin, additional pin and service bolt, described positioning panel is a rectangular slab, the two ends of this positioning panel respectively are provided with two screws, these four screws are corresponding to four screwed holes on the connecting rod, and the screw that four service bolts pass respectively on the positioning panel is threaded in the screwed hole of connecting rod; Per two screw places in the positioning panel both sides also are provided with an auxiliary pin-and-hole, and the center of circle of described auxiliary pin-and-hole and close two screws is on same the straight line, and two described additional pins pass auxiliary pin-and-hole and are installed in the dowel hole on the connecting rod; Side on the long limit of positioning panel is provided with a U type groove, and a plane, side inwall place of this U type groove and the cylindrical of described auxiliary pin-and-hole are tangent; Have an end of U type groove in positioning panel, two described screws are provided with a waist type locating hole near centre positions, this waist type locating hole one plane, side inwall place and U type groove inwall place plane parallel, and apart from being half pitch.
In the utility model, described connecting rod and connecting rod cap are fixed on the same surface of positioning panel by alignment pin and service bolt.
Based on technique scheme, the clamping device that is used for middling speed machine connecting rod and the processing of connecting rod cap cooperation plane teeth of the present utility model has been obtained following technique effect in actual applications:
1. the utility model is a kind of clamping orientation tool that medium-speed ship is used in processing with diesel engine connecting rod and connecting rod cap combination processing plane tooth, it is matched with numerical control borer or machining center uses, make connecting rod and connecting rod cap be fixed on the positioning panel simultaneously, and utilize U type groove and waist type groove on the positioning panel to accomplish that dislocation cooperates, conscientiously satisfy the dislocation requirement of half pitch, can make medium-speed ship cooperate plane teeth to add the man-hour workpiece with diesel engine connecting bar and connecting rod cap and can accomplish accurate location, the workpiece school when solving connecting rod and connecting rod cap combination processing plane tooth transfers difficulty big, poor reliability, problems such as inefficiency.
Simultaneously, the clamping device itself of a kind of middling speed machine connecting rod of the present utility model and connecting rod cap combination processing plane tooth has simple in structure, easy to use and cheap characteristics, simultaneously, because it is safe and reliable in the use, realized that plane teeth such as middling speed machine connecting rod and connecting rod cap are connected the high-efficiency high-accuracy processing location of workpiece, machining accuracy improves, and production efficiency also correspondingly gets a promotion.
Description of drawings
Fig. 1 is a kind of plan structure schematic diagram that is used for the clamping device of middling speed machine connecting rod and the processing of connecting rod cap cooperation plane teeth of the utility model.
To be that the utility model is a kind of be used for the schematic diagram of user mode that middling speed machine connecting rod and connecting rod cap cooperate the clamping device of plane teeth processing to Fig. 2.
Wherein,
1-connecting rod 2-connecting rod cap 3-positioning panel 4-alignment pin 5-additional pin 6-service bolt 31-screw 32-assists pin-and-hole 33-U type groove 34-waist type locating hole
The specific embodiment
Below we come to be used for clamping device that middling speed machine connecting rod and connecting rod cap cooperate plane teeth processing and to do further and elaborate the utility model is a kind of with specific embodiment in conjunction with the accompanying drawings; in the hope of more well-known description structure of the present utility model and occupation mode, but can not limit protection domain of the present utility model with this.
The structure that is used for the clamping device of middling speed machine connecting rod and the processing of connecting rod cap cooperation plane teeth for the utility model, we see Fig. 1 earlier, and Fig. 1 is a kind of plan structure schematic diagram that is used for the clamping device of middling speed machine connecting rod and the processing of connecting rod cap cooperation plane teeth of the utility model.As seen from the figure, the primary structure of clamping device of the present utility model includes positioning panel 3, alignment pin 4, additional pin 5 and service bolt 6.
Above-mentioned positioning panel 3 is a rectangular slab, and the two ends of this positioning panel 3 respectively are provided with two screws 31, and these four screws 31 are corresponding to four screwed holes on the connecting rod 1, and the screw 31 that four service bolts 6 pass respectively on the positioning panel 3 is threaded in the screwed hole of connecting rod 1.
Per two screw 31 places in positioning panel 3 both sides also are provided with an auxiliary pin-and-hole 32, described auxiliary pin-and-hole 32 is on same the straight line with the center of circle of close two screws 31, and two described additional pins 5 pass auxiliary pin-and-hole 32 and are installed in the dowel hole on the connecting rod 1.As shown in Figure 2, to be that the utility model is a kind of be used for the schematic diagram of user mode that middling speed machine connecting rod and connecting rod cap cooperate the clamping device of plane teeth processing to Fig. 2.Above-mentioned connecting rod 1 and connecting rod cap 3 are fixed on the same surface of positioning panel 3 by alignment pin 4 and service bolt 6.
The above-mentioned positioning panel 3 that is installed on the connecting rod 1 is utilized the cooperation of the screwed hole on the connecting rod 1 by four service bolts 6, being fixed on the connecting rod 1, thereby realizes the fully location of positioning panel 3 on connecting rod 1.Above-mentioned connecting rod cap 2 is also near the locating surface of living on the positioning panel 3, and is matched with U type groove and waist type locating hole, thereby realizes the location fully of workpiece.
Above-mentioned additional pin 5 inserts on the positioning panel 3 in the corresponding auxiliary pin-and-hole 32, and is used to hang in the auxiliary pin-and-hole 32 on the connecting rod 1, is in correct horizontal location state to keep positioning panel 3.
Two above-mentioned alignment pins 4 are installed on respectively on connecting rod 1 and the connecting rod cap 2, and two alignment pins 4 are abutted on the U type groove 33 and the locating surface in the waist type locating hole 34 of positioning panel 3 respectively, because waist type locating hole 34 1 planes, side inwall place and U type groove 33 inwall place plane parallel, and be half pitch apart from a.By above-mentioned setting, thereby the location by alignment pin 4 reaches and makes connecting rod 1 and connecting rod cap 2 add accurately dislocation half pitch requirement in man-hour.
Above-mentioned U type groove and the Position Design of waist type locating hole on positioning panel 3 are as follows: the side on positioning panel 3 long limits is provided with a U type groove 33, and a plane, side inwall place of this U type groove 33 and the cylindrical of described auxiliary pin-and-hole 32 are tangent; Have an end of U type groove 33 in positioning panel 3, two described screws 31 are provided with a waist type locating hole 34 near centre positions.
The clamping device of middling speed machine connecting rod of the present utility model and connecting rod cap combination processing plane tooth uses on numerical control borer or machining center, and the connecting rod that the plane teeth connection request is arranged that uses on the medium seed diesel engine is carried out Milling Process.
On marine diesel, connecting rod and the plane teeth engagement that being connected of connecting rod cap mainly relies on connecting rod and connecting rod cap and an alignment pin location, wherein the plane teeth engagement requires contact area to reach 90%, and required precision is very high.This machined to connecting rod and connecting rod cap has proposed very high requirement, should guarantee the high-precision engaging of plane teeth, and the high accuracy that satisfies alignment pin again cooperates.Therefore before the processing plane tooth, joint face is in a plane and parallel with machine tool chief axis in the time of must guaranteeing that connecting rod is superimposed with connecting rod cap, dowel hole will guarantee accurate dislocation half pitch of dowel hole on connecting rod and the connecting rod cap simultaneously, so that also can be realized positioning requirements during the plane teeth engagement.
A preferred embodiment of the present utility model is exactly the clamping device to the connecting rod of middling speed marine diesel and connecting rod cap combination processing plane tooth, and this clamping orientation tool comprises that the positioning panel 3 of utilizing service bolt 6 to be installed on the connecting rod 1 forms with the alignment pin 4 that is installed on respectively on connecting rod 1 and the connecting rod cap 2.
The clamping device of the connecting rod of the middling speed machine diesel engine in the present embodiment and the processing of connecting rod cap combination milling flat tooth, its concrete clamping uses the method for location to carry out as follows:
1. connecting rod 1 is put on numerical control borer or the machining center work top, check and correction plane teeth joint face makes this joint face and main shaft keeping parallelism, is fixed connecting rod 1 then;
2. alignment pin 4 is installed in the dowel hole of connecting rod 1;
3. be suspended on the last plane of connecting rod 1 after two additional pins 5 being inserted in the through hole of positioning panel 3 tops, the locating surface that makes the waist shape locating hole 34 interior left sides on the positioning panel 3 simultaneously is near the alignment pin 5 that is installed on the connecting rod 1;
4. four service bolts 6 are passed four screws 31 on the positioning panel 3, screw in connecting rod 1 upper screwed hole, thereby positioning panel 3 is fixed on the connecting rod 1;
5. extract and take off the additional pin 5 that is inserted into plane on the connecting rod 1;
6. alignment pin 4 is installed in the pin-and-hole on the connecting rod cap 2;
7. connecting rod cap 2 is superimposed upon the last plane of connecting rod 1, alignment pin 4 is passed in the positioning panel 3 upper left open slots, and near on the open slot left positioner plane.Simultaneously, make connecting rod cap 2 joint faces tightly be close to positioning panel 3;
8. with pressing plate connecting rod cap 2 is pressed on the connecting rod 1;
9. remove each parts of clamping orientation tools such as four service bolts 6, positioning panel 3 and alignment pin 4.
Above operating procedure is utilized waist shape locating hole and U type groove plane of orientation on the positioning panel 3, makes the positioning requirements that reaches of two alignment pins 4, thus the accurate dislocation half pitch requirement that connecting rod 1 and connecting rod cap 2 is reached add man-hour; Utilize the plane of positioning panel 3, the joint face of connecting rod 1 and connecting rod cap 2 is remained on the same horizontal plane parallel with boring bar.By aforesaid operations, thereby mill teeth processing can be carried out in the location fully of realizing workpiece.
In sum, the utility model has solved the clamping positioning accuracy problem such as medium seed diesel engine connecting rod and connecting rod cap combination Gear Milling, and the clamping orientation tool has simple in structure, and is easy to use, and expensive low, the safe and reliable characteristics of efficient.
Claims (2)
1. one kind is used for the clamping device that middling speed machine connecting rod and connecting rod cap cooperate plane teeth processing, it is characterized in that, described clamping device includes positioning panel, alignment pin, additional pin and service bolt, described positioning panel is a rectangular slab, the two ends of this positioning panel respectively are provided with two screws, these four screws are corresponding to four screwed holes on the connecting rod, and the screw that four service bolts pass respectively on the positioning panel is threaded in the screwed hole of connecting rod; Per two screw places in the positioning panel both sides also are provided with an auxiliary pin-and-hole, and the center of circle of described auxiliary pin-and-hole and close two screws is on same the straight line, and two described additional pins pass auxiliary pin-and-hole and are installed in the dowel hole on the connecting rod; Side on the long limit of positioning panel is provided with a U type groove, and a plane, side inwall place of this U type groove and the cylindrical of described auxiliary pin-and-hole are tangent; Have an end of U type groove in positioning panel, two described screws are provided with a waist type locating hole near centre positions, this waist type locating hole one plane, side inwall place and U type groove inwall place plane parallel, and apart from being half pitch.
2. a kind of clamping device that is used for middling speed machine connecting rod and the processing of connecting rod cap cooperation plane teeth according to claim 1 is characterized in that described connecting rod and connecting rod cap are fixed on the same surface of positioning panel by alignment pin and service bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202248742U CN201768970U (en) | 2010-06-11 | 2010-06-11 | Clamping device for processing plane teeth of connecting rod and matched connecting rod cap of medium speed engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202248742U CN201768970U (en) | 2010-06-11 | 2010-06-11 | Clamping device for processing plane teeth of connecting rod and matched connecting rod cap of medium speed engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201768970U true CN201768970U (en) | 2011-03-23 |
Family
ID=43748803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202248742U Expired - Lifetime CN201768970U (en) | 2010-06-11 | 2010-06-11 | Clamping device for processing plane teeth of connecting rod and matched connecting rod cap of medium speed engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201768970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717239A (en) * | 2012-07-03 | 2012-10-10 | 永安市金声机械有限公司 | Method for machining connecting rod of air compressor and drilling and hinging fixture |
-
2010
- 2010-06-11 CN CN2010202248742U patent/CN201768970U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717239A (en) * | 2012-07-03 | 2012-10-10 | 永安市金声机械有限公司 | Method for machining connecting rod of air compressor and drilling and hinging fixture |
| CN102717239B (en) * | 2012-07-03 | 2014-04-16 | 永安市金声机械有限公司 | Method for machining connecting rod of air compressor and drilling and hinging fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |