CN203509682U - Novel clamp for processing drilling and milling joint surface of engine cylinder cover - Google Patents
Novel clamp for processing drilling and milling joint surface of engine cylinder cover Download PDFInfo
- Publication number
- CN203509682U CN203509682U CN201320728321.4U CN201320728321U CN203509682U CN 203509682 U CN203509682 U CN 203509682U CN 201320728321 U CN201320728321 U CN 201320728321U CN 203509682 U CN203509682 U CN 203509682U
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- China
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- pressing plate
- type pressing
- gooseneck type
- cylinder cap
- adjusting rod
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Abstract
The utility model discloses a novel clamp for processing drilling and milling joint surface of engine cylinder cover. The clamp comprises a base plate, a pressing mechanism for pressing the cylinder cover, and a locating mechanism for locating the cylinder cover; the locating mechanism comprises three supporting blocks on the bottom plate, the cylinder cover is mounted on a locating plane formed by the three supporting blocks; the pressing mechanism comprises three supporting columns, gooseneck type pressing plates respectively arranged on each supporting column in a sleeve manner, and an adjusting rod for adjusting height of each gooseneck type pressing plate, wherein the bottom surface of the gooseneck type pressing plate is provided with a locating groove cooperating with the adjusting rod. Compared with the prior art, the gooseneck type pressing plate of the clamp is provided with the locating groove cooperating with the adjusting rod, and the gooseneck type pressing plate is located through the adjusting rod, thus, when a lock nut on each supporting column is screwed up, the adjusting rod can prevent the gooseneck type pressing plate from rotating, and finally, accurate pressing position of the gooseneck type pressing plate can be ensured.
Description
Technical field
The utility model relates to a kind of clamping device, and specifically, the utility model relates to a kind of Novel engine cylinder head and bores milling faying face fixture for processing.
Background technology
In automobile engine cylinder head mechanical processing process, it is a very important procedure in cylinder cap process that cylinder cap bores the processing of milling faying face, the precision of its processing will directly arrive the impact of the quality of the product quality that affects engine cylinder cover, particularly frock clamp on machining accuracy.So selected at present a kind of accurately fixture of clamping cylinder cap of special use, this fixture comprises base plate, be located on base plate for compressing the hold-down mechanism of cylinder cap and being located at the detent mechanism that cylinder cap is positioned on base plate, detent mechanism comprises three rest pads that are located on base plate, cylinder cap is placed on the plane of orientation of three rest pads formation, hold-down mechanism comprises three support columns, be set in gooseneck type pressing plate and the adjusting rod for the height of each gooseneck type pressing plate is regulated on each support column, gooseneck type pressing plate is also locked by the locking nut being located on support column.
State in the use fixture time, by being screwed down locking nut, can make gooseneck type pressing plate move down compression cylinder cap along support column.But in screwing the process of locking nut, gooseneck type pressing plate can finally can cause gooseneck type pressing plate compacted position inaccurate along with rotation, need to repeatedly adjust the position of gooseneck type pressing plate.And when regulating gooseneck type pressing plate height and position by adjusting rod, because adjusting rod is to be connected with base thread, and by nut tight, will cause like this adjusting rod to regulate inconvenient, efficiency is low.
Utility model content
The utility model provides a kind of Novel engine cylinder head to bore milling faying face fixture for processing, and object prevents the rotation of gooseneck type pressing plate while being the locking nut on screwed support post, guarantee that gooseneck type pressing plate compacted position is accurate.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Novel engine cylinder head bores milling faying face fixture for processing, comprise base plate, be located on base plate for compressing the hold-down mechanism of cylinder cap and for the detent mechanism to cylinder cap location, detent mechanism comprises three rest pads that are located on base plate, cylinder cap is placed on the plane of orientation of three rest pads formation, hold-down mechanism comprises three support columns, be set in gooseneck type pressing plate on each support column and for regulating the adjusting rod of each gooseneck type pressing plate height, the bottom surface of gooseneck type pressing plate is provided with the detent matching with adjusting rod.
Described detent is the elongate slots along the length direction extension of described gooseneck type pressing plate.
Also comprise screw-drive mechanism, screw-drive mechanism comprises the feed screw nut being fixedly connected with described adjusting rod and the screw rod meshing with feed screw nut, and screw rod is supported on the set support of base plate, and base plate is provided with the pilot hole that allows adjusting rod insert.
In three described rest pads, wherein two rest pads are in a side of the length direction of described cylinder cap and support cylinder cap near the position at the both ends of cylinder cap respectively, and another rest pad supports cylinder cap in the position of the relative opposite side of cylinder cap.
Described detent mechanism also comprises two alignment pins that are located on described base plate, and one of them is straight pin, and another is rhombus pin, in the choosing of the medium position place of the bottom surface of described cylinder cap, has and these two locating holes that alignment pin is suitable.
The seal face of described gooseneck type pressing plate is provided with follower gasket.
Described gooseneck type pressing plate be provided with for the socket of described support column and the elongated hole that extends along gooseneck type pressing plate length direction.
The two ends of described base plate are respectively provided with a circular hole, and positioning adapter is installed in hole.
The utility model adopts technique scheme, compared with prior art, the detent matching with adjusting rod by setting on the gooseneck type pressing plate of this fixture, by adjusting rod, gooseneck type pressing plate is positioned, thereby during the locking nut on screwed support post, adjusting rod can prevent the rotation of gooseneck type pressing plate, finally can guarantee that gooseneck type pressing plate compacted position is accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of fixture of the present utility model;
Fig. 2 is the side view of Fig. 1;
Mark in above-mentioned figure is: 1, positioning adapter; 2, base plate; 3, straight pin; 4, rest pad; 5, rhombus pin; 6, gooseneck type pressing plate; 7, adjusting rod; 8, hexagon thin nut; 9, cylindrically coiled spring; 10, plain washer; 11, taper faced washer; 12, locking nut; 13, support column; 14, follower gasket; 15, screw; 16, cylinder cap; 17, feed screw nut; 18, screw rod; 19, pilot hole.
The specific embodiment
Be that a kind of Novel engine cylinder head of the present utility model bores milling faying face fixture for processing as depicted in figs. 1 and 2, it comprises base plate 2, be located on base plate 2 for compressing the hold-down mechanism of cylinder cap 16 and being located at the detent mechanism that cylinder cap 16 is positioned on base plate 2, this detent mechanism comprises three rest pads 4 that are located at ad-hoc location on base plate 2, cylinder cap 16 is placed on the plane of orientation of these rest pad 4 formation, the upper surface of rest pad 4 is wanted isoplanar polishing, to guarantee that its flatness that forms locating surface meets the specification requirement that cylinder cap 16 Working positions are adjusted.The size of base plate 2 is suitable with cylinder cap 16 size dimensions.Compared with prior art, this fixture replaces strip plate with rest pad 4, the contact surface of cylinder cap 16 in clamping reduced greatly, thereby greatly reduced traditional frock and because locating surface is excessive, produced the problem of excessive flatness, for reducing unnecessary systematic error in cylinder cap 16 brill milling faying face manufacturing procedures, lay a solid foundation, realized the accurate clamping of cylinder cap 16.
As depicted in figs. 1 and 2, rest pad 4 on base plate 2 is provided with three, form supported at three point, wherein two rest pads 4 be positioned at cylinder cap 16 length direction a side and near the position at the both ends of cylinder cap 16, support cylinder cap 16 respectively, be positioned at the place, two angles of cylinder cap 16, another rest pad 4 supports cylinder cap 16 in the position of the relative opposite side of cylinder cap 16, and roughly near medium position.Three rest pads 4 can be good at supporting cylinder cap 16, simple in structure, and the locating surface forming with respect to 4, three support bars of more rest pads more can guarantee flatness.The rest pad 4 of more numbers can certainly be set.Rest pad 4 is fastened on base plate 2 by screw 15, and rest pad 4 is column, and its top is cone, and end face is the plane that area is less.
As depicted in figs. 1 and 2, detent mechanism also comprises two alignment pins that are located on base plate 2, one of them is straight pin 3, another is rhombus pin 5, in the choosing of the medium position place of the bottom surface of cylinder cap 16, have and these two locating holes that alignment pin is suitable, the corresponding locating hole that is processed with two placement positioning pins on base plate 2, arranges alignment pin and locates man-hour more accurately reliably to guarantee that cylinder cap 16 adds.Nylon locating pad is also installed on these two alignment pins and with protection cylinder cap 16, avoids unnecessary scuffing.In whole fixture, the position dimension of two alignment pins and rest pad 4 all must strictly limit to play the specification requirement that this fixture meets product processing.In multiple clamping, locating pad generation excessive deformation or rest pad 4 wear extenies can be changed when excessive in time.
The hold-down mechanism of this fixture matches to compress cylinder cap 16 with rest pad 4, as depicted in figs. 1 and 2, this hold-down mechanism comprises three support columns 13, is set in gooseneck type pressing plate 6 and the adjusting rod 7 for regulating each gooseneck type pressing plate 6 height and paralleling with support column 13 on each support column 13, and the bottom surface of gooseneck type pressing plate 6 is provided with the detent matching with adjusting rod 7.Detent does not run through gooseneck type pressing plate 6, by adjusting rod 7, insert in detent gooseneck type pressing plate 6 is positioned, thereby during the locking nut 12 on screwed support post 13, adjusting rod 7 can prevent 6 rotations of gooseneck type pressing plate, finally can guarantee that gooseneck type pressing plate 6 compacted position are accurate.
The number of gooseneck type pressing plate 6 is identical with the number of rest pad 4, gooseneck type pressing plate 6 coordinates with rest pad 4 cylinder cap 16 is pressed on the plane of orientation that rest pad 4 forms, rest pad 4 is supported on the bottom surface of cylinder cap 16, and gooseneck type pressing plate 6 compresses cylinder cap 16 at the end face of cylinder cap 16.The structure of gooseneck type pressing plate 6 as shown in Figure 1, roughly be Z-shaped, accurate particularity due to this part of engine cylinder cover 16 self, the follower gasket 14 that adopts nylon to manufacture is also installed on the seal face of gooseneck type pressing plate 6, in case fixture produces excessive permanent compressive strain to cylinder cap 16 when clamping, and can change in time when excessive when multiple clamping center platen pad 14 generation excessive deformation or rest pad 4 wear extenies.
As depicted in figs. 1 and 2; gooseneck type pressing plate 6 is provided with for the elongated hole with support column 13 sockets; elongated hole is to extend along gooseneck type pressing plate 6 length directions; gooseneck type pressing plate 6 compresses by locking nut 12 lockings that are located on support column 13; locking nut 12 with taper faced washer 11, can play the effect of protection.Support column 13 is studs, on support column 13, cover has cylindrically coiled spring 9, these cylindrically coiled spring 9 one end are against on gooseneck type pressing plate 6, the other end is against on base plate 2, between cylindrically coiled spring 9 and gooseneck type pressing plate 6, be also provided with the plain washer 10 being enclosed within on support column 13, support column 13 also passes through hexagon thin nut 8 also tightly on base plate 2.
One end of gooseneck type pressing plate 6 is for compressing, and the other end is for location.Adjusting rod 7 is for regulating the height of gooseneck type pressing plate 6, as depicted in figs. 1 and 2, end face at base plate 2 is provided with the pilot hole 19 that allows adjusting rod 7 insert, a side at each adjusting rod 7 is provided with the screw-drive mechanism for driving adjusting rod 7 to move up and down, screw-drive mechanism comprise the feed screw nut 17 that is fixedly connected with the shaft of adjusting rod 7 and with the screw rod 18 of the vertical setting of feed screw nut 17 engagements, 18 rotations of screw rod, on base plate 1, be provided with the support for studdle 18, screw-drive mechanism is by the rotation of screw rod 18, drive feed screw nut 17 axially to move up and down along screw rod 18, thereby drive adjusting rod 7 to move up and down, pilot hole 19 is set to guarantee adjusting rod 7 traveling priorities.This screw-drive mechanism has improved the adjusting efficiency of adjusting rod 7, and this screw-drive mechanism also has auto-lock function, at adjusting rod 7, be moved upward to behind final position, screw-drive mechanism can prevent that adjusting rod 7 from falling automatically, improves the reliability that gooseneck type pressing plate 6 is supported and located.
In addition, the detent of gooseneck type pressing plate 6 bottom surfaces is the elongate slots along the length direction extension of gooseneck type pressing plate 6, to adapt to gooseneck type pressing plate 6 position adjustments in the horizontal direction.The cross section of adjusting rod 7 can be circular, square or rectangle, and corresponding pilot hole 19 is circular hole, square hole or rectangular opening.The size of detent on width equates with diameter or the width of adjusting rod 7, guarantees that location is reliable.
As depicted in figs. 1 and 2, for the ease of whole fixture, in lathe, install reliably, base plate 2 two ends at fixture respectively process a circular hole, to facilitate this device to be fixed by conventional method on lathe, and positioning adapter 1 is installed in hole, positioning adapter 1 can be changed in time when wear extent is excessive.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (8)
1. a Novel engine cylinder head bores milling faying face fixture for processing, comprise base plate, be located on base plate for compressing the hold-down mechanism of cylinder cap and for the detent mechanism to cylinder cap location, detent mechanism comprises three rest pads that are located on base plate, cylinder cap is placed on the plane of orientation of three rest pads formation, hold-down mechanism comprises three support columns, be set in gooseneck type pressing plate on each support column and for regulating the adjusting rod of each gooseneck type pressing plate height, it is characterized in that: the bottom surface of described gooseneck type pressing plate is provided with the detent matching with described adjusting rod.
2. Novel engine cylinder head according to claim 1 bores milling faying face fixture for processing, it is characterized in that: the elongate slots that described detent extends for the length direction along described gooseneck type pressing plate.
3. Novel engine cylinder head according to claim 1 and 2 bores milling faying face fixture for processing, it is characterized in that: also comprise screw-drive mechanism, screw-drive mechanism comprises the feed screw nut being fixedly connected with described adjusting rod and the screw rod meshing with feed screw nut, screw rod is supported on the set support of base plate, and base plate is provided with the pilot hole that allows adjusting rod insert.
4. Novel engine cylinder head according to claim 3 bores milling faying face fixture for processing, it is characterized in that: in three described rest pads, wherein two rest pads are in a side of the length direction of described cylinder cap and support cylinder cap near the position at the both ends of cylinder cap respectively, and another rest pad supports cylinder cap in the position of the relative opposite side of cylinder cap.
5. Novel engine cylinder head according to claim 4 bores milling faying face fixture for processing, it is characterized in that: described detent mechanism also comprises two alignment pins that are located on described base plate, one of them is straight pin, another is rhombus pin, in the choosing of the medium position place of the bottom surface of described cylinder cap, has and these two locating holes that alignment pin is suitable.
6. Novel engine cylinder head according to claim 5 bores milling faying face fixture for processing, it is characterized in that: the seal face of described gooseneck type pressing plate is provided with follower gasket.
7. Novel engine cylinder head according to claim 6 bores milling faying face fixture for processing, it is characterized in that: described gooseneck type pressing plate be provided with for described support column socket and the elongated hole that extends along gooseneck type pressing plate length direction.
8. Novel engine cylinder head according to claim 7 bores milling faying face fixture for processing, it is characterized in that: the two ends of described base plate are respectively provided with a circular hole, and positioning adapter is installed in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728321.4U CN203509682U (en) | 2013-11-15 | 2013-11-15 | Novel clamp for processing drilling and milling joint surface of engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728321.4U CN203509682U (en) | 2013-11-15 | 2013-11-15 | Novel clamp for processing drilling and milling joint surface of engine cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203509682U true CN203509682U (en) | 2014-04-02 |
Family
ID=50368664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320728321.4U Expired - Fee Related CN203509682U (en) | 2013-11-15 | 2013-11-15 | Novel clamp for processing drilling and milling joint surface of engine cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203509682U (en) |
-
2013
- 2013-11-15 CN CN201320728321.4U patent/CN203509682U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20211115 |