CN221210003U - Drilling jig tool for casting valve cover - Google Patents
Drilling jig tool for casting valve cover Download PDFInfo
- Publication number
- CN221210003U CN221210003U CN202323267492.4U CN202323267492U CN221210003U CN 221210003 U CN221210003 U CN 221210003U CN 202323267492 U CN202323267492 U CN 202323267492U CN 221210003 U CN221210003 U CN 221210003U
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- CN
- China
- Prior art keywords
- valve cover
- plate
- casting
- positioning
- riser
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- 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.)
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Links
- 238000005266 casting Methods 0.000 title claims abstract description 33
- 238000005553 drilling Methods 0.000 title abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000003825 pressing Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model relates to a drilling jig tool for casting a valve cover, which comprises a bottom plate, and a compression vertical plate and a positioning vertical plate which are mutually parallel and fixedly connected to the bottom plate, wherein one side of the positioning vertical plate, which faces the compression vertical plate, is fixedly connected with a positioning plate, one side of the positioning plate, which faces the compression vertical plate, is provided with a V-shaped positioning surface, the compression vertical plate is connected with a compression bolt which laterally compresses the casting valve cover on the V-shaped positioning surface in a threaded manner, the upper end of the positioning vertical plate is fixedly connected with a drilling jig plate, a jack is formed in the drilling jig plate, and a drilling sleeve is vertically inserted in the jack.
Description
Technical Field
The utility model relates to the technical field of cast valve cover machining, in particular to a drilling jig tool for casting a valve cover.
Background
After casting, the valve cover needs to be machined on two end faces of the valve cover to ensure the flatness and roughness of the valve cover, then a plurality of round holes or threaded holes are machined on the end faces, and the valve cover is not clamped well by using universal fixtures such as bench clamps during machining and the positioning size of drilling is not well ensured.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a drilling jig tool for casting a valve cover.
The utility model is realized through the following technical scheme, and provides a jig tool for casting a valve cover, which comprises a bottom plate, and a compression vertical plate and a positioning vertical plate which are mutually parallel and fixedly connected to the bottom plate, wherein one side of the positioning vertical plate, which faces the compression vertical plate, is fixedly connected with the positioning plate, one side of the positioning plate, which faces the compression vertical plate, is provided with a V-shaped positioning surface, the compression vertical plate is in threaded connection with a compression bolt which laterally compresses the casting valve cover on the V-shaped positioning surface, the upper end of the positioning vertical plate is fixedly connected with a jig plate, the jig plate is provided with an inserting hole, and a drill bushing is vertically inserted in the inserting hole.
When the casting valve cover is used, the casting valve cover is horizontally placed on the bottom plate between the pressing vertical plate and the positioning vertical plate, one side of the casting valve cover is attached to the V-shaped positioning surface, and the casting valve cover is laterally pressed on the V-shaped positioning surface by rotating the pressing bolt, so that the fixing and positioning of the casting valve cover are realized. And a drill sleeve with an appropriate inner hole is vertically inserted into the jack, and a drill bit passes through the center hole of the drill sleeve to realize drilling operation.
As optimization, two sides of the opening of the V-shaped positioning surface are provided with parallel side positioning surfaces. In this scheme cast valve gap laminating improves its location effect between two side locating surfaces.
As optimization, the end part of the compression bolt is provided with a positioning end head. The locating end in this scheme inserts in the locating hole of casting valve gap side, can improve the location effect.
As optimization, the jack is a long hole extending along the radial direction of the cast valve cover, and the drill plate is connected with adjusting bolts fastened to the side face of the drill sleeve from two ends of the long hole in a threaded manner. The position of the center of the drill bushing is adjusted by rotating two adjusting bolts in the scheme.
As optimization, an avoidance space is reserved between the positioning plate and the bottom plate below. The dodge space that sets up in this scheme is used for dodging the edge protrusion of casting valve gap, is convenient for fix a position the main part position.
As an optimization, the middle symmetrical plane of the V-shaped positioning surface, the axis of the compression bolt and the axis of the drill bushing are coplanar. The coplanar arrangement in this embodiment is to locate the center of the cast valve cover so as to be coplanar with the center of the cast valve cover.
As optimization, the outer ring of the drill sleeve is a stepped shaft, and the small diameter end of the stepped shaft is inserted into the jack. The small diameter end in this scheme inserts the jack, realizes the fixed of drill bushing.
The beneficial effects of the utility model are as follows: the drilling jig tool for the cast valve cover can realize the accurate positioning of the cast valve cover, ensure the positioning precision of the cast valve cover, facilitate the processing of round holes or threaded holes on the end surface of the cast valve cover, adapt to cast valve covers with different sizes, adjust the position of the processed holes and be widely applied.
Drawings
FIG. 1 is a top view of the present utility model;
FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1 in accordance with the present utility model;
FIG. 3 is a top view of the present utility model without the drill plate;
FIG. 4 is a cross-sectional view of a drill sleeve of the present utility model;
FIG. 5 is a top view of the bushing plate of the present utility model;
FIG. 6 is a sectional view of the present utility model in use;
FIG. 7 is a top view of the present utility model in use;
the figure shows:
1. The bottom plate, 2, compress tightly the riser, 3, hold-down bolt, 4, the location end, 5, the location riser, 6, the locating plate, 61, the inclined plane, 62, side locating surface, 7, bushing plate, 8, drill bushing, 9, jack, 10, adjusting bolt, 11, cast valve gap.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
As shown in fig. 1 to 7, the drilling jig tool for casting the valve cover comprises a bottom plate 1, and a pressing vertical plate 2 and a positioning vertical plate 5 which are mutually parallel and fixedly connected to the bottom plate 1, wherein the pressing vertical plate 2 and the positioning vertical plate 5 are perpendicular to the bottom plate 1 and are welded at two end edge positions of the upper end face of the bottom plate 1 respectively.
The locating vertical plate 5 is fixedly connected with a locating plate 6 towards one side of the pressing vertical plate 2, an avoidance space is reserved between the locating plate 6 and the bottom plate 1 below, that is to say, a certain interval is reserved between the lower end of the locating plate 6 and the upper end face of the bottom plate 1, and the edge of the casting valve cover 11 is used for avoiding the protrusion.
As shown in fig. 3, a V-shaped positioning surface 61 is provided on one side of the positioning plate 6 facing the pressing vertical plate 2, an opening of the V-shaped positioning surface 61 faces the pressing vertical plate 2, a middle symmetry plane of the V-shaped positioning surface 61 is perpendicular to the positioning vertical plate 5, and parallel side positioning surfaces 62 are provided on two sides of the opening of the V-shaped positioning surface 61. The side positioning surface 62 is perpendicular to the positioning vertical plate 5, and the side positioning surface 62 and the V-shaped positioning surface 61 are in smooth transition.
The compression vertical plate 2 is connected with a compression bolt 3 which laterally compresses a casting valve cover on the V-shaped positioning surface 61 in a threaded manner, the end part of the compression bolt 3 is provided with a positioning end head 4, and the diameter of the positioning end head 4 is smaller than that of the compression bolt 3.
The upper end of the positioning vertical plate 5 is fixedly connected with a drill plate 7, the drill plate 7 is transversely arranged, a jack 9 is formed in the drill plate 7, and a drill bushing 8 is vertically inserted in the jack 9. The outer ring of the drill bushing 8 is a stepped shaft, the small diameter end of the stepped shaft is inserted into the insertion hole 9, and the middle symmetrical surface of the V-shaped positioning surface 61, the axis of the compression bolt 3 and the axis of the drill bushing 8 are coplanar.
The insertion hole 9 is a long hole extending along the radial direction of the cast valve cover, the extending direction is perpendicular to the positioning vertical plate 5 in the embodiment, and the width of the insertion hole 9 is equal to the diameter of the small-diameter end of the drill sleeve 8. The drill plate 7 is connected with adjusting bolts 10 fastened to the side surfaces of the drill bushing 8 from two ends of the long hole in a threaded manner, and the position of the drill bushing 8 can be adjusted by adjusting the two adjusting bolts 10.
The application method of the utility model comprises the following steps:
When the casting valve cover 11 is used, the casting valve cover 11 is horizontally placed on the bottom plate 1 between the pressing vertical plate 2 and the positioning vertical plate 5, one side of the casting valve cover 11 is attached to the V-shaped positioning surface 61, the casting valve cover 11 is attached between the two side positioning surfaces 62, and the casting valve cover is laterally pressed on the V-shaped positioning surface 61 by rotating the pressing bolt 3, so that the fixing and positioning of the casting valve cover 11 are realized.
A drill bushing 8 with a proper inner hole is vertically inserted into the insertion hole 9, two adjusting bolts 10 are rotated to adjust the position of the center of the drill bushing, and after the adjustment is completed, a drill bit passes through the center hole of the drill bushing to realize the drilling operation.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (7)
1. A jig frock for casting valve gap, its characterized in that: including bottom plate (1) to and rigid coupling compresses tightly riser (2) and location riser (5) that are parallel to each other on bottom plate (1), location riser (5) have locating plate (6) towards one side rigid coupling that compresses tightly riser (2), locating plate (6) are equipped with V-arrangement locating surface (61) towards one side that compresses tightly riser (2), threaded connection has on compressing tightly riser (2) to compress tightly compression bolt (3) at V-arrangement locating surface (61) with casting valve gap side direction, and location riser (5) upper end rigid coupling has bushing plate (7), it has jack (9) to open on bushing plate (7), vertical insert in jack (9) drill bushing (8).
2. The jig tool for casting a valve cover according to claim 1, wherein: parallel side locating surfaces (62) are arranged on two sides of the opening of the V-shaped locating surface (61).
3. The jig tool for casting a valve cover according to claim 1, wherein: the end part of the compression bolt (3) is provided with a positioning end head (4).
4. The jig tool for casting a valve cover according to claim 1, wherein: the jack (9) is a long hole extending along the radial direction of the cast valve cover, and the drill plate (7) is connected with an adjusting bolt (10) fastened to the side surface of the drill sleeve (8) from two ends of the long hole in a threaded manner.
5. The jig tool for casting a valve cover according to claim 1, wherein: an avoidance space is reserved between the positioning plate (6) and the bottom plate (1) below.
6. The jig tool for casting a valve cover according to claim 1, wherein: the middle symmetrical plane of the V-shaped positioning surface (61), the axis of the compression bolt (3) and the axis of the drill bushing (8) are coplanar.
7. The jig tool for casting a valve cover according to claim 1, wherein: the outer ring of the drill sleeve (8) is a stepped shaft, and the small diameter end of the stepped shaft is inserted into the jack (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267492.4U CN221210003U (en) | 2023-12-01 | 2023-12-01 | Drilling jig tool for casting valve cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267492.4U CN221210003U (en) | 2023-12-01 | 2023-12-01 | Drilling jig tool for casting valve cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221210003U true CN221210003U (en) | 2024-06-25 |
Family
ID=91540897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323267492.4U Active CN221210003U (en) | 2023-12-01 | 2023-12-01 | Drilling jig tool for casting valve cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221210003U (en) |
-
2023
- 2023-12-01 CN CN202323267492.4U patent/CN221210003U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |