CN109352035B - Oil hole drilling device for camshaft journal - Google Patents
Oil hole drilling device for camshaft journal Download PDFInfo
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- CN109352035B CN109352035B CN201811620943.9A CN201811620943A CN109352035B CN 109352035 B CN109352035 B CN 109352035B CN 201811620943 A CN201811620943 A CN 201811620943A CN 109352035 B CN109352035 B CN 109352035B
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- camshaft
- positioning
- drilling
- sleeve
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2247/00—Details of drilling jigs
- B23B2247/12—Drilling jigs with means to affix the jig to the workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to a camshaft journal oil hole drilling device, which comprises a bottom plate and a sleeve sleeved at the end part of a camshaft, wherein a camshaft fixing device is arranged on the bottom plate, one end of the bottom plate is provided with a positioning seat, the end surface of the sleeve is provided with two positioning pin holes, the positioning seat is provided with positioning holes, positioning pins inserted into the positioning pin holes are movably arranged in the positioning holes, the peripheral surface of the sleeve is provided with two drilling positioning hole pairs, and the two positioning pin holes correspond to the two drilling positioning hole pairs one by one; the two positioning pin holes in the sleeve correspond to the two oil holes in the workpiece, the camshaft is fixed on the bottom plate through the camshaft fixing device, the drill bit is aligned to one drilling positioning hole of one drilling positioning hole pair, the first oil hole is drilled through by a machine tool, then the positioning pin inserted into the positioning pin hole is pulled out, the workpiece and the sleeve are rotated, the positioning pin is inserted into the other positioning pin hole, and the drill bit is aligned to one drilling positioning hole of the other drilling positioning hole pair to process the other oil hole.
Description
Technical Field
The invention relates to a device for drilling an oil hole in a camshaft journal.
Background
The camshaft journal oil hole requires to be located on the same straight line with the locating pin hole of camshaft terminal surface, and current processing equipment is adding man-hour, can't effectively guarantee that camshaft journal oil hole and the locating pin hole of camshaft terminal surface are on the same straight line, has influenced the machining precision and the machining efficiency of camshaft journal oil hole.
Disclosure of Invention
The invention aims to solve the technical problem of providing a camshaft journal oil hole drilling device which can effectively ensure the machining precision of a camshaft journal oil hole and effectively meet the machining requirements.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a camshaft journal bores oilhole device, includes bottom plate and the sleeve of cover at the camshaft tip, be equipped with camshaft fixing device on the bottom plate, the one end of bottom plate is equipped with the positioning seat, be equipped with two location pinhole on the telescopic terminal surface, be equipped with the locating hole on the positioning seat, movable mounting has to insert in the locating hole locating pin, telescopic outer peripheral face is equipped with two drilling locating hole pairs, each drilling locating hole pair is including the drilling locating hole of two relative settings, two the locating pinhole and two drilling locating hole pair one-to-one, every two of drilling locating hole pair the axis of drilling locating hole is on same straight line, the sleeve with be equipped with detachable connecting device between the camshaft.
Preferably, the axes of the positioning pin holes intersect with the axes of the corresponding pair of drilling positioning holes and are perpendicular to each other.
As the preferred technical scheme, can dismantle connecting device including inserting the guide bar in the oil hole, the both ends of guide bar are equipped with the external screw thread respectively, the guide bar overcoat has the guide ring, the diameter of guide ring is less than the diameter of oilhole, the guide ring includes guide ring and lower guide ring, it has a plurality of first connecting rods to go up to articulate on the guide ring, down articulated on the guide ring have a plurality ofly with the second connecting rod of first connecting rod one-to-one, first connecting rod articulates the first side surface at the clamp plate, the second connecting rod also articulates the first side surface of clamp plate, the both ends of guide bar be equipped with respectively with thread fit's nut, it is adjacent to rotate respectively on the nut install the top cover in the guide ring outside the guide bar.
Preferably, a support spring is sleeved outside the jacking sleeve, the upper end of the support spring acts on the lower surface of the nut, and the lower end of the support spring acts on the outer peripheral surface of the sleeve.
According to the preferable technical scheme, the camshaft fixing device comprises a camshaft pressing plate, a guide post is arranged on the bottom plate, external threads are arranged on the guide post, a through hole for the guide post to penetrate through is formed in the camshaft pressing plate, a compression nut is screwed on the external threads of the guide post and presses the camshaft pressing plate on the bottom plate, and the camshaft fixing device further comprises a V-shaped block arranged on the bottom plate and used for supporting the camshaft.
By adopting the technical scheme, the oil hole drilling device for the camshaft journal comprises a bottom plate and a sleeve sleeved at the end part of the camshaft, wherein a camshaft fixing device is arranged on the bottom plate, a positioning seat is arranged at one end of the bottom plate, two positioning pin holes are formed in the end surface of the sleeve, positioning holes are formed in the positioning seat, positioning pins inserted in the positioning pin holes are movably mounted in the positioning holes, two drilling positioning hole pairs are arranged on the outer peripheral surface of the sleeve, each drilling positioning hole pair comprises two drilling positioning holes which are oppositely arranged, the two positioning pin holes correspond to the two drilling positioning holes one by one, the axes of the two drilling positioning holes of each drilling positioning hole pair are on the same straight line, and a detachable connecting device is arranged between the sleeve and the camshaft; the two positioning pin holes in the sleeve correspond to the two oil holes in the workpiece, the camshaft is fixed on the bottom plate through the camshaft fixing device, the drill bit is aligned to one drilling positioning hole of one drilling positioning hole pair, the first oil hole is drilled through by a machine tool, then the positioning pin inserted into the positioning pin hole is pulled out, the workpiece and the sleeve are rotated, the positioning pin is inserted into the other positioning pin hole, the camshaft is fixed on the bottom plate through the camshaft positioning device, and the drill bit is aligned to one drilling positioning hole of the other drilling positioning hole pair to process the other oil hole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a sleeve in an embodiment of the invention;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic diagram of the operation of the V-block in the embodiment of the present invention;
FIG. 5 is a schematic view of a detachable connection device according to an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at I;
FIG. 7 is a schematic structural view of another embodiment of a detachable connection device.
Detailed Description
As shown in fig. 1, 2 and 3, the oil hole drilling device for the camshaft journal comprises a bottom plate 1 and a sleeve 2 sleeved at the end part of the camshaft, wherein a camshaft fixing device is arranged on the bottom plate 1, a positioning seat 3 is arranged at one end of the bottom plate 1, two positioning pin holes 4 are formed in the end surface of the sleeve 2, positioning holes are formed in the positioning seat 3, positioning pins 5 inserted into the positioning pin holes 4 are movably mounted in the positioning holes, two drilling positioning hole pairs are arranged on the outer peripheral surface of the sleeve 2, each drilling positioning hole pair comprises two drilling positioning holes 6 which are oppositely arranged, the two positioning pin holes 4 correspond to the two drilling positioning holes one to one, the axes of the two drilling positioning holes 6 of each drilling positioning hole pair are on the same straight line, and a detachable connecting device is arranged between the sleeve 2 and the camshaft 7. The two positioning pin holes in the sleeve correspond to the two oil holes in the workpiece, the camshaft is fixed on the bottom plate through the camshaft fixing device, the drill bit is aligned to one drilling positioning hole of one drilling positioning hole pair, the first oil hole is drilled through by a machine tool, then the positioning pin inserted into the positioning pin hole is pulled out, the workpiece and the sleeve are rotated, the positioning pin is inserted into the other positioning pin hole, the camshaft is fixed on the bottom plate through the camshaft positioning device, and the drill bit is aligned to one drilling positioning hole of the other drilling positioning hole pair to process the other oil hole.
The axes of the positioning pin holes 4 intersect with the axes of the corresponding pair of the drilling positioning holes and are perpendicular to each other.
As shown in fig. 5 and 6, the detachable connection device includes a guide rod 8 inserted into the oil hole, two ends of the guide rod 8 are respectively provided with an external thread, the guide rod is sleeved with a guide ring, the diameter of the guide ring is smaller than that of the oil hole, the guide ring includes an upper guide ring 9 and a lower guide ring 10, the upper guide ring 9 is hinged with a plurality of first connecting rods 11, the lower guide ring is hinged with a plurality of second connecting rods 12 corresponding to the first connecting rods 11 one by one, the first connecting rods 11 are hinged with a first side surface of a pressing plate 13, the second connecting rods 12 are also hinged with a first side surface of the pressing plate 13, the upper end of the pressing plate is located in one drilling positioning hole, the lower end of the pressing plate is located in another drilling positioning hole, two ends of the guide rod 8 are respectively provided with nuts 14 matched with the external thread, and the nut 14 is respectively and rotatably provided with a jacking sleeve 15 which is propped against the adjacent guide ring and sleeved outside the guide rod. Can make the fixed gold sleeve fixed gold on the guide ring through rotating the nut, can make like this that go up the guide ring and draw close with lower guide ring each other, first connecting rod and second connecting rod drive the clamp plate and compress tightly at the drilling locating hole and the pore wall of the good oilhole of brill, just so can make sleeve and camshaft's relative position realize fixing through installing detachable connecting device between the good oilhole of brill and drilling locating hole, like this when boring next oilhole, the position of sleeve and camshaft just can not change, can effectively guarantee the precision of two oilholes of brill system.
As shown in fig. 7, in another embodiment of the detachable connection device, a positioning hole 22 may be further adopted on the end surface of the sleeve, a positioning pin 23 is movably installed in the positioning hole 22, a pin hole matched with the positioning pin is provided on the end surface of the camshaft, and the positioning hole, the positioning pin and the pin hole as the detachable connection device may be used together with the detachable connection device adopting the guide rod, or may be used separately.
The upper end of the support spring 16 acts on the lower surface of the nut 14, and the lower end of the support spring 16 acts on the outer circumferential surface of the sleeve 2. The supporting spring is supported between the sleeve and the nut, so that the relative position of the nut and the sleeve can be ensured and the relative fixation can be realized.
As shown in fig. 1 and 4, the camshaft fixing device includes a camshaft pressing plate 17, a guide post 18 is arranged on the bottom plate 1, an external thread is arranged on the guide post 18, a through hole for the guide post to pass through is arranged on the camshaft pressing plate, a compression nut 19 is screwed on the external thread of the guide post 18, the camshaft pressing plate 17 is compressed on the bottom plate 1 by the compression nut 19, and the camshaft fixing device further includes a V-shaped block 20 arranged on the bottom plate 1 and supporting the camshaft. And the compression nut is screwed up, so that the camshaft pressing plate can be compressed on the camshaft to fix the camshaft.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The oil hole drilling device for the camshaft journal is characterized by comprising a bottom plate and a sleeve sleeved at the end part of a camshaft, wherein a camshaft fixing device is arranged on the bottom plate, a positioning seat is arranged at one end of the bottom plate, two positioning pin holes are formed in the end surface of the sleeve, positioning holes are formed in the positioning seat, positioning pins inserted in the positioning pin holes are movably mounted in the positioning holes, two drilling positioning hole pairs are arranged on the outer peripheral surface of the sleeve, each drilling positioning hole pair comprises two drilling positioning holes which are oppositely arranged, the two positioning pin holes correspond to the two drilling positioning holes one by one, the axes of the two drilling positioning holes of each drilling positioning hole pair are on the same straight line, and a detachable connecting device is arranged between the sleeve and the camshaft; can dismantle connecting device is including inserting the guide bar in the oilhole, the both ends of guide bar are equipped with the external screw thread respectively, the guide bar overcoat has the guide ring, the diameter of guide ring is less than the diameter of oilhole, the guide ring includes guide ring and lower guide ring, it has a plurality of first connecting rods to go up to articulate on the guide ring, down articulated on the guide ring have a plurality ofly with the second connecting rod of first connecting rod one-to-one, first connecting rod articulates at the first side surface of clamp plate, the second connecting rod also articulates the first side surface of clamp plate, the both ends of guide bar be equipped with respectively with thread fit's nut, it is adjacent to rotate respectively on the nut install the top cover on the guide ring the tight sleeve in top outside the guide bar.
2. The camshaft journal oil drilling apparatus of claim 1, wherein the axes of the dowel pin holes intersect the axes of the corresponding pairs of drilled dowel holes and are perpendicular to each other.
3. The camshaft journal oil drilling apparatus of claim 1, wherein the thrust sleeve is externally fitted with a supporting spring, an upper end of the supporting spring acts on a lower surface of the nut, and a lower end of the supporting spring acts on an outer circumferential surface of the sleeve.
4. The apparatus as claimed in any one of claims 1 to 3, wherein the camshaft fixing apparatus comprises a camshaft pressing plate, the bottom plate is provided with a guide post, the guide post is provided with an external thread, the camshaft pressing plate is provided with a through hole for the guide post to pass through, a compression nut is screwed on the external thread of the guide post, the compression nut compresses the camshaft pressing plate on the bottom plate, and the camshaft fixing apparatus further comprises a V-shaped block provided on the bottom plate and supporting the camshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620943.9A CN109352035B (en) | 2018-12-28 | 2018-12-28 | Oil hole drilling device for camshaft journal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620943.9A CN109352035B (en) | 2018-12-28 | 2018-12-28 | Oil hole drilling device for camshaft journal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352035A CN109352035A (en) | 2019-02-19 |
| CN109352035B true CN109352035B (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620943.9A Active CN109352035B (en) | 2018-12-28 | 2018-12-28 | Oil hole drilling device for camshaft journal |
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| CN (1) | CN109352035B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497133A (en) * | 2019-09-09 | 2019-11-26 | 安徽合力股份有限公司 | A kind of sprocket shaft inner hole angle locating tooling |
| CN114152227A (en) * | 2021-10-20 | 2022-03-08 | 东风本田汽车零部件有限公司 | Camshaft multistation measuring fixture |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2619740B1 (en) * | 1987-08-25 | 1992-10-16 | Aerospatiale | ADAPTABLE GRIPPING DEVICE ON A ROBOT |
| CN203356654U (en) * | 2013-06-06 | 2013-12-25 | 河南中汇汽车零部件有限公司 | Cam shaft deep hole machining device |
| CN203936425U (en) * | 2014-07-02 | 2014-11-12 | 南车戚墅堰机车有限公司 | Camshaft journal oilhole frock |
| CN206123252U (en) * | 2016-10-10 | 2017-04-26 | 浙江骏融汽车零部件有限公司 | Camshaft boring grab that pneumatics compressed tightly |
| CN107931954A (en) * | 2017-11-15 | 2018-04-20 | 四川绵竹鑫坤机械制造有限责任公司 | A kind of processing method of crankshaft oil hole |
| CN207629256U (en) * | 2017-12-06 | 2018-07-20 | 天津智源机械制造股份有限公司 | Axle journal inclined oil hole of air fixture before brill bent axle |
| CN108942343B (en) * | 2018-09-30 | 2024-03-08 | 山西华翔集团股份有限公司 | Novel clamp for outer circle of crankshaft eccentric shaft of air conditioner compressor |
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| CN109352035A (en) | 2019-02-19 |
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Effective date of registration: 20220810 Address after: 261000 north of Xishou Road, Qinglonghu Road, Anqiu Economic Development Zone, Weifang City, Shandong Province Patentee after: Shandong Shengxiang Power Co.,Ltd. Address before: 261205 518 Shengrui Street, Weifang High-tech Industrial Development Zone, Shandong Province Patentee before: SHENGRUI TRANSMISSION Corp.,Ltd. |