CN210848643U - Rocker hole chamfering tool - Google Patents
Rocker hole chamfering tool Download PDFInfo
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- CN210848643U CN210848643U CN201921782855.9U CN201921782855U CN210848643U CN 210848643 U CN210848643 U CN 210848643U CN 201921782855 U CN201921782855 U CN 201921782855U CN 210848643 U CN210848643 U CN 210848643U
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- hole
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- chamfer
- pivot
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Abstract
The utility model discloses a rocking arm hole chamfer frock, which comprises a rotating shaft, the outer diameter of pivot and the inner diameter looks adaptation of rocking arm support upper level through-hole b, the pivot is equipped with first hoop recess and the second annular recess from a left side right side interval in proper order, first hoop recess bottom and second annular recess bottom are equipped with a chamfer sword mounting groove that runs through the pivot respectively, first hoop recess bottom and second annular recess bottom still are equipped with one respectively and perpendicular threaded through hole who link up with the chamfer sword mounting groove, the distance between the right-hand member edge of rocking arm support upper level through-hole an and horizontal through-hole b's right-hand member edge equals with the distance between the left side edge of two chamfer sword mounting grooves, distance between the left end edge of horizontal through-hole b and the left end edge of horizontal through-hole c equals with the distance between the right side edge of two chamfer sword mounting grooves. The utility model discloses the frock can realize having improved the overall machining efficiency and the machining precision of cylinder head to the two-way chamfer processing of rocker arm support inboard hole terminal surface.
Description
Technical Field
The utility model relates to a rocking arm hole chamfer processing equipment technical field, concretely relates to rocking arm hole chamfer frock.
Background
In diesel-electric sets, cylinder heads are frequently used, which are the engine cover and the parts closing the cylinder (including the water jacket, the valve and the cooling fins), and which are also the mounting base of the valve train and also the sealing cover of the cylinder. The utility model provides a cylinder head commonly used among medium speed diesel generating set, including the rocker arm support (see attached figure 1 ~ 3), this rocker arm support is including being parallel arrangement and integrated into one piece's three vertical board, wherein be equipped with horizontal through-hole a (13) on vertical board A (10), be equipped with horizontal through-hole B (14) on vertical board B (11), be equipped with horizontal through-hole C (15) on vertical board C (12), and horizontal through-hole a (13), horizontal through-hole B (14) and horizontal through-hole C (15) coaxial setting, the left end of horizontal through-hole a (13) and the left end of horizontal through-hole C (15) all establish to countersunk groove hole structure, and the inner diameter of horizontal through-hole a (13) right-hand member, the inner diameter of horizontal through-hole B (14) and the inner diameter of countersunk groove of horizontal through-hole C (15) are. In order to make the two end port edges of each through hole on the rocker arm bracket meet the requirements of smoothness, two end ports of the horizontal through hole a (13), the horizontal through hole b (14) and the horizontal through hole c (15) need to be chamfered respectively. Because the right port of the horizontal through hole a (13), the two ports of the horizontal through hole b (14) and the left port of the horizontal through hole c (15) are positioned on the inner side of the rocker arm bracket, chamfering cannot be performed in a mechanical cutting processing mode, and great inconvenience is brought to subsequent assembly work. Therefore, a tool special for chamfering the rocker arm hole is needed to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a rocking arm hole chamfer frock, this frock can realize the two-way chamfer processing to the inboard hole terminal surface of rocker arm support, and the chamfer is swift high-efficient, has improved the overall machining efficiency and the machining precision of cylinder head, and this frock simple structure, easy operation, the practicality is strong.
In order to achieve the purpose, the technical scheme of the utility model is to design a rocker arm hole chamfering tool which comprises a rotating shaft, the outer diameter of the rotating shaft is matched with the inner diameter of a horizontal through hole b on a rocker arm bracket, the utility model discloses a bearing support, including the pivot, the pivot is equipped with first hoop recess and the second in proper order interval from a left side to a right side, first hoop recess bottom and the second is equipped with a chamfer sword mounting groove that runs through the pivot respectively to recess bottom, first hoop recess bottom and second are annular still are equipped with a screw thread through-hole that link up with the chamfer sword mounting groove perpendicularly respectively to recess bottom, the distance between the right-hand member edge of horizontal through-hole an and the right-hand member edge of horizontal through-hole b equals with the distance between the left side edge of two chamfer sword mounting grooves on the rocker arm support, the distance between the left end edge of horizontal through-hole b and the left end edge of horizontal through-hole c equals with the distance between the right side edge.
The utility model discloses the frock only needs to insert the pivot in the rocker arm support hole of cylinder head to install corresponding chamfer blade, make the cutting edge of chamfer blade lean on and compress tightly on the corresponding rocker arm support hole terminal surface, rotate this pivot and can realize chamfering simultaneously to the corresponding rocker arm support hole terminal surface of same side; then the rotating shaft axially moves towards the opposite direction, so that the cutting edge of the chamfering blade is abutted against and pressed on the end face of the rocker arm support hole on the other side, and the rotating shaft is rotated to chamfer the corresponding end face of the rocker arm support hole on the other side simultaneously. This frock chamfer is swift high-efficient, has solved the unable difficult problem that adopts the machining mode to carry out the chamfer of rocker arm support hole medial surface, has improved the overall machining efficiency and the machining precision of cylinder head, and this frock simple structure, easy operation, the practicality is strong.
In order to ensure the firm stability of the chamfer cutter blade after being installed on the tool, the preferable technical scheme is that the chamfer cutter installation groove and the threaded through hole both penetrate through the axial center line of the rotating shaft. The chamfering blade is fixedly arranged on the axial center line of the rotating shaft, so that the firm stability of the chamfering blade in the chamfering blade mounting groove and the stress balance during use are improved, and the chamfering processing efficiency of the hole end face of the rocker arm support and the service life of the tool are guaranteed.
In order to improve the use convenience of the tool, a further preferred technical scheme is that the length of the rotating shaft is greater than that of the rocker arm support, the tool further comprises a hand wheel, the hand wheel is detachably and fixedly connected with the left end part of the rotating shaft, and a handle is further arranged on the hand wheel. The hand wheel and the handle are convenient to hold when the tool is carried or used, so that the use convenience of the tool is improved.
In order to make this frock light dexterous, further preferred technical scheme still, the pivot left end is equipped with the screw thread surface, still includes the connecting cylinder, the inside screw thread internal surface that is equipped with the screw thread surface looks adaptation in the pivot of connecting cylinder right-hand member, connecting cylinder right-hand member and pivot left end threaded connection, connecting cylinder left end and hand wheel right-hand member face central point put detachable fixed connection. The pivot can adopt solid construction, the length of pivot satisfy the user demand can, the connecting cylinder can suitably prolong the axial length of pivot to under the prerequisite of guaranteeing to use the convenience, effectively alleviateed the whole weight of this frock, made this frock have better light flexibility.
In order to smoothly prepare and apply the tool, a further preferred technical scheme is that a seat barrel extending outwards and horizontally is fixedly arranged at the center of the right end face of the hand wheel, the inner diameter of the seat barrel is matched with the outer diameter of the connecting barrel, mounting holes are correspondingly formed in the seat barrel and the left end of the connecting barrel, and the left end of the connecting barrel is fixedly connected with the seat barrel through a bolt. Connecting cylinder one end and the detachable fixed connection of pivot, the other end is convenient for change alone to each part of this frock with the detachable fixed connection of hand wheel, when this frock part damages, can change alone this part, whole when having avoided this frock local part to damage is scrapped, has reduced the waste of resource.
The utility model has the advantages and the beneficial effects that:
1. the utility model discloses the frock only needs to insert the pivot in the rocker arm support hole of cylinder head to install corresponding chamfer blade, make the cutting edge of chamfer blade lean on and compress tightly on the corresponding rocker arm support hole terminal surface, rotate this pivot and can realize chamfering simultaneously to the corresponding rocker arm support hole terminal surface of same side; then the rotating shaft axially moves towards the opposite direction, so that the cutting edge of the chamfering blade is abutted against and pressed on the end face of the rocker arm support hole on the other side, and the rotating shaft is rotated to chamfer the corresponding end face of the rocker arm support hole on the other side simultaneously. This frock chamfer is swift high-efficient, has solved the unable difficult problem that adopts the machining mode to carry out the chamfer of rocker arm support hole medial surface, has improved the overall machining efficiency and the machining precision of cylinder head, and this frock simple structure, easy operation, the practicality is strong.
2. The chamfering blade is fixedly arranged on the axial center line of the rotating shaft, so that the firm stability of the chamfering blade in the chamfering blade mounting groove and the stress balance during use are improved, and the chamfering processing efficiency of the hole end face of the rocker arm support and the service life of the tool are guaranteed.
3. The hand wheel and the handle are convenient to hold when the tool is carried or used, so that the use convenience of the tool is improved.
4. The pivot can adopt solid construction, the length of pivot satisfy the user demand can, the connecting cylinder can suitably prolong the axial length of pivot to under the prerequisite of guaranteeing to use the convenience, effectively alleviateed the whole weight of this frock, made this frock have better light flexibility.
5. The connecting cylinder one end can be dismantled the solid fixed connection with the pivot, and the other end is connected with the detachable fixed connection of hand wheel, is convenient for change alone to each part of this frock, when this frock part damages, can change alone this part, whole when having avoided this frock local part to damage is scrapped, has reduced the waste of resource.
Drawings
FIG. 1 is a perspective view of a prior art rocker arm stand;
FIG. 2 is a front view of a prior art rocker arm stand;
FIG. 3 is a rear view of a prior art rocker arm stand;
FIG. 4 is a perspective view of the rocker arm hole chamfering tool of the present invention;
FIG. 5 is a front view of the rocker arm hole chamfering tool of the present invention;
figure 6 is the utility model discloses the back view of rocker arm hole chamfer frock.
In the figure: 1. a rotating shaft; 2. a first circumferential groove; 3. a second circumferential groove; 4. a chamfer cutter mounting groove; 5. a threaded through hole; 6. a hand wheel; 7. a handle; 8. a connecting cylinder; 9. a seat cylinder; 10. A vertical plate A; 11. a vertical plate B; 12. a vertical plate C; 13. a horizontal through hole a; 14. a horizontal through hole b; 15. and a horizontal through hole c.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in figures 4-6, the utility model relates to a rocker arm hole chamfering tool, which comprises a rotating shaft 1, wherein the outer diameter of the rotating shaft 1 is matched with the inner diameter of a horizontal through hole b14 on a rocker arm bracket, the utility model discloses a distance between the left end edge of horizontal through-hole a13 and the right end edge of horizontal through-hole b14 equals with the distance between the left side edge of two chamfer sword mounting grooves 4, the distance between the left end edge of horizontal through-hole b14 and the left end edge of horizontal through-hole c15 equals with the distance between the right side edge of two chamfer sword mounting grooves 4, pivot 1 is equipped with first hoop recess 2 and the second in proper order the interval from a left side to right, first hoop recess 2 bottom and the second in proper order are equipped with one chamfer sword mounting groove 4 that runs through pivot 1 respectively to 3 bottoms, first hoop recess 2 bottom and second in proper order the annular recess bottom still are equipped with one and the perpendicular screw through-hole 5 that link up with chamfer sword mounting groove 4 respectively, the rocker arm support goes up the right end edge of. The chamfer cutter mounting groove 4 and the threaded through hole 5 both penetrate through the axial center line of the rotating shaft 1. The length of pivot 1 is greater than rocker arm support's length, still includes hand wheel 6, hand wheel 6 and the detachable fixed connection of 1 left end portion of pivot still are equipped with handle 7 on the hand wheel 6. The left end of the rotating shaft 1 is provided with a threaded outer surface and further comprises a connecting cylinder 8, a threaded inner surface matched with the threaded outer surface on the rotating shaft 1 is arranged inside the right end of the connecting cylinder 8, the right end of the connecting cylinder 8 is in threaded connection with the left end of the rotating shaft 1, and the left end of the connecting cylinder 8 and the center of the right end face of the hand wheel 6 are in detachable fixed connection. The central point of the right end face of the hand wheel 6 is fixedly provided with a seat cylinder 9 which extends outwards and horizontally, the inner diameter of the seat cylinder 9 is matched with the outer diameter of the connecting cylinder 8, the seat cylinder 9 and the left end of the connecting cylinder 8 are correspondingly provided with mounting holes, and the left end of the connecting cylinder 8 is fixedly connected with the seat cylinder 9 through bolts.
The utility model discloses the theory of use of rocker arm hole chamfer frock:
the free end of the tool rotating shaft 1 of the utility model sequentially passes through a horizontal through hole a13, a horizontal through hole b14 and a horizontal through hole c15 from the left end of the rocker arm bracket; inserting the two chamfering blades into the chamfering blade mounting grooves 4 respectively, inserting bolts into the threaded through holes 5 and screwing the bolts tightly, so that the chamfering blades are fixedly mounted on the rotating shaft 1; pushing the hand wheel 6 to enable the right edges of the cutting edges of the two chamfering blades to be respectively connected with the left end face of the horizontal through hole b14 and the left end face of the horizontal through hole c15, rotating and enabling the handle 7 to be pressed towards the direction of the horizontal through hole c15, and rotating the handle 7 and driving the two chamfering blades on the rotating shaft 1 to chamfer the left end edge of the horizontal through hole b14 and the left end edge of the horizontal through hole c 15; when the left end edge of the horizontal through hole b14 and the left end edge of the horizontal through hole c15 meet the chamfering requirement, the hand wheel 6 is axially moved in the opposite direction (the direction of the horizontal through hole a 13), so that the left side edges of the cutting edges of the two chamfering knives are respectively connected with the right end surface of the horizontal through hole a13 and the right end surface of the horizontal through hole b14, the handle 7 is rotated and pressed towards the direction of the horizontal through hole a13, the handle 7 is rotated and drives the two chamfering blades on the rotating shaft 1 to chamfer the right end edge of the horizontal through hole a13 and the right end edge of the horizontal through hole b14 until the right end edge of the horizontal through hole a13 and the right end edge of the horizontal through hole b14 meet the chamfering requirement; and (4) detaching the two chamfering blades, and removing the tool from the rocker arm bracket.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a rocking arm hole chamfer frock, a serial communication port, including the pivot, the outer diameter of pivot and the rocking arm support go up horizontal through-hole b's inner diameter looks adaptation, the pivot is equipped with first hoop recess and the second annular recess from a left side right side interval in proper order, first hoop recess bottom and second annular recess bottom are equipped with a chamfer sword mounting groove that runs through the pivot respectively, first hoop recess bottom and second annular recess bottom still are equipped with one respectively and run through the screw thread through-hole perpendicular with the chamfer sword mounting groove, the rocking arm support goes up the distance between the right-hand member edge of horizontal through-hole a and the right-hand member edge of horizontal through-hole b and the distance between the left side edge of two chamfer sword mounting grooves equals, the distance between the left end edge of horizontal through-hole b and the left end edge of horizontal through-hole c equals with the distance between the right side edge.
2. The rocker hole chamfering tool according to claim 1, wherein the chamfering tool mounting groove and the threaded through hole both penetrate through an axial center line of the rotating shaft.
3. The rocker arm hole chamfering tool according to claim 2, wherein the length of the rotating shaft is greater than that of the rocker arm support, the tool further comprises a hand wheel, the hand wheel is detachably and fixedly connected with the left end portion of the rotating shaft, and a handle is further arranged on the hand wheel.
4. The rocker arm hole chamfering tool according to claim 3, wherein a threaded outer surface is arranged at the left end of the rotating shaft, the tool further comprises a connecting cylinder, a threaded inner surface matched with the threaded outer surface on the rotating shaft is arranged inside the right end of the connecting cylinder, the right end of the connecting cylinder is in threaded connection with the left end of the rotating shaft, and the left end of the connecting cylinder is detachably and fixedly connected with the center position of the right end face of the hand wheel.
5. The rocker arm hole chamfering tool according to claim 4, wherein a seat barrel extending horizontally outwards is fixedly arranged at the center of the right end face of the hand wheel, the inner diameter of the seat barrel is matched with the outer diameter of the connecting barrel, mounting holes are correspondingly formed in the seat barrel and the left end of the connecting barrel, and the left end of the connecting barrel is fixedly connected with the seat barrel through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782855.9U CN210848643U (en) | 2019-10-23 | 2019-10-23 | Rocker hole chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782855.9U CN210848643U (en) | 2019-10-23 | 2019-10-23 | Rocker hole chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210848643U true CN210848643U (en) | 2020-06-26 |
Family
ID=71297308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921782855.9U Active CN210848643U (en) | 2019-10-23 | 2019-10-23 | Rocker hole chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210848643U (en) |
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2019
- 2019-10-23 CN CN201921782855.9U patent/CN210848643U/en active Active
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