CN109732121B - Camshaft drilling device - Google Patents
Camshaft drilling device Download PDFInfo
- Publication number
- CN109732121B CN109732121B CN201910211890.3A CN201910211890A CN109732121B CN 109732121 B CN109732121 B CN 109732121B CN 201910211890 A CN201910211890 A CN 201910211890A CN 109732121 B CN109732121 B CN 109732121B
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- camshaft
- positioning sleeve
- block
- guide
- frame
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The invention discloses a camshaft drilling device, which comprises a frame, wherein a base is fixedly arranged at the lower end of the frame, a guide groove which transversely extends or longitudinally extends is arranged on the upper surface of the base, a positioning sleeve sleeved at the lower end of a camshaft is movably arranged in the guide groove, the inner circumferential surface of the positioning sleeve is close to the outer circumferential surface of the camshaft and is in clearance fit with the lower end of the camshaft, a camshaft positioning device positioned above the positioning sleeve is also arranged on the frame, and a drilling device positioned above the upper end of the camshaft is also arranged on the frame; the camshaft positioning device is located above the positioning sleeve to fix the camshaft with the frame, the lower end of the camshaft is inserted into the positioning sleeve, the positioning sleeve can move along the guide groove, and the position of the positioning sleeve can be adjusted relative to the guide groove, so that the free movement of the lower end of the camshaft can be limited, and positioning interference is avoided.
Description
Technical Field
The invention relates to a camshaft drilling device.
Background
The production and processing of the cam shaft have high requirements on precision. In the prior art, the central hole of the camshaft is machined by fixing the shaft neck of the camshaft through the claw disc on the lathe, the spindle rotates to drive the camshaft to rotate, and the fixed drill bit feeds the end face of the camshaft to machine the central hole, but the machining mode only ensures the fixation of one side of the camshaft and cannot ensure the levelness of the central hole, so that the error of the subsequent machining process is easily amplified, the clamping and positioning operation is complex, and the machining efficiency is greatly influenced.
Disclosure of Invention
In order to make up for the defects, the invention provides the camshaft drilling device which can effectively improve the efficiency of drilling the end face of the camshaft and effectively ensure the drilling precision, and is convenient and reliable to operate.
The technical scheme of the invention is as follows: the utility model provides a camshaft drilling equipment, includes the frame, the lower extreme fixed mounting of frame has the base, the upper surface of base is equipped with transversely extending or longitudinally extending's guide way, movable mounting has the sleeve that overlaps in the camshaft lower extreme in the guide way, the inner peripheral surface of sleeve is pressed close to the outer peripheral surface of camshaft and with the lower extreme clearance fit of camshaft, still be equipped with in the frame and be located camshaft positioner of sleeve top, still be equipped with in the frame and be located drilling equipment of camshaft upper end top.
As the preferable technical scheme, the camshaft positioning device comprises a positioning seat with a V-shaped groove, wherein the positioning seat is fixedly arranged on the frame, the groove wall of the V-shaped groove is perpendicular to the upper surface of the base, the camshaft positioning device further comprises a pressing plate with a through hole and a stud fixedly arranged on the frame, the stud is provided with an external thread, a nut is arranged on the stud penetrating through the through hole of the pressing plate, the pressing plate tightly presses the camshaft in the V-shaped groove, and the axis of the positioning sleeve is perpendicular to the upper surface of the base.
As the preferable technical scheme, still be equipped with the vertical guide post of vertical extension on the frame, the guide sleeve is installed in the activity of vertical guide post outside, positioning seat fixed mounting is in on the guide sleeve, the double-screw bolt fixed mounting is in on the positioning seat.
As the preferred technical scheme, the bottom plate of positioning sleeve is equipped with movable mounting and is in guide block in the guide way, the guide block includes left side piece and right piece, be equipped with on the bottom plate of positioning sleeve and follow the bar guiding hole that the width direction of guide way extends, movable mounting in the bar guiding hole has can follow bar guiding hole removes left side piece and right piece, bar guiding hole with between the left side piece and between bar guiding hole and the right piece all be equipped with the supporting spring that makes left side piece and right piece be close to each other, still be equipped with the wedge of pointed end down in the positioning sleeve, the pointed end of wedge is located between left side piece with right piece, movable mounting has circular backup pad in the positioning sleeve, circular backup pad's outer peripheral face is pressed close to the positioning sleeve inner wall, wedge fixed mounting is in the lower surface of positioning sleeve, positioning sleeve with be equipped with backup pad supporting spring between the circular backup pad.
Due to the adoption of the technical scheme, the camshaft drilling device comprises a frame, wherein the lower end of the frame is fixedly provided with a base, the upper surface of the base is provided with a guide groove which transversely extends or longitudinally extends, and the guide groove is movably arranged in the guide groove
The device comprises a frame, a positioning sleeve sleeved at the lower end of the camshaft, a drilling device, a positioning sleeve, a drilling device and a positioning sleeve, wherein the inner circumferential surface of the positioning sleeve is close to the outer circumferential surface of the camshaft and is in clearance fit with the lower end of the camshaft; the camshaft positioning device is located above the positioning sleeve to fix the camshaft with the frame, the lower end of the camshaft is inserted into the positioning sleeve, the positioning sleeve can move along the guide groove, and the position of the positioning sleeve can be adjusted relative to the guide groove, so that the free movement of the lower end of the camshaft can be limited, and positioning interference is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a cam shaft positioning device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a positioning device for a cam shaft according to a second embodiment of the present invention;
FIG. 5 is a schematic view of a positioning sleeve according to a second embodiment of the present invention;
Fig. 6 is a schematic diagram of the working principle of the positioning sleeve in the second embodiment of the present invention.
Detailed Description
Embodiment one:
As shown in fig. 1 to 2, a camshaft drilling device comprises a frame 1, a base 2 is fixedly arranged at the lower end of the frame 1, a guide groove 3 extending transversely or longitudinally is formed in the upper surface of the base 2, a positioning sleeve 5 sleeved at the lower end of a camshaft 4 is movably arranged in the guide groove 3, the inner circumferential surface of the positioning sleeve 5 is close to the outer circumferential surface of the camshaft 4 and is in clearance fit with the lower end of the camshaft 4, a camshaft positioning device positioned above the positioning sleeve 5 is further arranged on the frame 1, and a drilling device 26 positioned above the upper end of the camshaft 4 is further arranged on the frame. The drilling device 27 may be a working head of a vertical drilling machine, and a column of the vertical drilling machine is fixedly connected with the frame. The camshaft positioner is located the locating sleeve top with the camshaft with the frame is fixed together, and the lower extreme of camshaft inserts in the locating sleeve, locating sleeve 5 can follow guide way 3 and remove, and locating sleeve's position can be adjusted for the guide way to can restrict the free movement of camshaft lower extreme, avoid taking place the location simultaneously and interfere, can reliably realize the vertical positioning of camshaft, effectively guarantee machining precision.
The camshaft positioning device comprises a positioning seat 7 with a V-shaped groove 6, and the positioning seat is fixedly arranged on the machine
On the frame, the cell wall of V type groove 6 perpendicular to the upper surface of base 2, camshaft positioner still includes the clamp plate 8 that has the through-hole and the fixed stud 11 of installing on the guide sleeve 10, stud 11 has the external screw thread, the stud passes the through-hole of clamp plate 8 installs nut 12, and clamp plate 8 compresses tightly camshaft 4 in V type groove 6, the axis of positioning sleeve 5 perpendicular to the upper surface of base 2. The shaft neck of the cam shaft is pressed in the V-shaped groove 6 by tightening the nut rear pressing plate, the groove wall of the V-shaped groove 6 is perpendicular to the upper surface of the base 2, the axis of the positioning sleeve 5 is perpendicular to the upper surface of the base 2, and the positioning sleeve can move in the guide groove on the base, so that the positioning sleeve is located under the cam shaft, and reliable positioning of the cam shaft is realized.
Embodiment two: as shown in fig. 3 to 6, the structure of the second embodiment is basically the same as that of the first embodiment, except that a vertical guide post 9 extending vertically is further provided on the frame, a guide sleeve 10 is movably installed in the vertical guide post 9, the positioning seat 7 is fixedly installed on the guide sleeve 10, and the stud is fixedly installed on the positioning seat 7. In this embodiment the vertical guide column may also double as the frame.
The bottom plate 23 of the positioning sleeve 5 is provided with a guide block movably mounted in the guide groove 3, the guide block comprises a left block 14 and a right block 15, the bottom plate of the positioning sleeve is provided with a strip-shaped guide hole 16 extending along the width direction of the guide groove, the strip-shaped guide hole 16 is internally movably provided with the left block 14 and the right block 15 which can move along the strip-shaped guide hole, a supporting spring 17 which enables the left block and the right block to approach each other is arranged between the strip-shaped guide hole 16 and the left block and between the strip-shaped guide hole and the right block, the positioning sleeve 5 is internally provided with a wedge block 18 with a downward tip, and the wedge block
18 Is located between the left block 14 and the right block 15, a circular supporting plate 19 is movably mounted in the positioning sleeve 5, the outer circumferential surface of the circular supporting plate 19 is close to the inner wall of the positioning sleeve 5, a wedge block 18 is fixedly mounted on the lower surface of the positioning sleeve 5, a supporting plate supporting spring 20 is arranged between the positioning sleeve 5 and the circular supporting plate 19, and a bar-shaped stop block 22 is fixedly mounted between the large end of the wedge block and the lower surface of the circular supporting plate. When the camshaft is pressed on the circular supporting plate, the circular supporting plate moves downwards under the gravity action of the camshaft to drive the wedge block to move downwards, so that the large end of the wedge block acts between the left block and the right block, the left block and the right block move in opposite directions, the left block and the right block are respectively stuck on the groove wall of the guide groove, and the positioning sleeve cannot move relative to the guide groove due to the friction force between the left block and the right block and the groove wall of the guide groove, so that when the cam is pressed on the circular baffle plate, the position of the positioning sleeve cannot move.
The guide sleeve 10 is fixedly provided with a screw nut, and the frame is provided with a screw rod 13 matched with the screw nut 21.
The screw rod is rotated, so that the screw rod drives the guide sleeve to move, the cam shaft can be pressed in the V-shaped groove through the pressing plate, the guide sleeve is then rotated to move downwards, the position of the positioning sleeve is changed, the positioning sleeve is positioned on the whole cam shaft to be put down, the screw rod is then continuously rotated, the guide sleeve is continuously moved downwards, the cam shaft is pressed on the round supporting plate along with the downward movement of the guide sleeve, and when the left block and the right block are respectively pressed on the groove wall of the guide groove, the clamping and positioning of the cam shaft are completed.
Two bottom plate guide holes 24 extending along the width direction of the guide groove 3 are formed in the bottom plate 23, one bottom plate guide hole 24 is located on the left side of the strip-shaped guide hole and is communicated with the strip-shaped guide hole 16, the other bottom plate guide hole 24 is located on the right side of the strip-shaped guide hole and is communicated with the strip-shaped guide hole 16, guide rods 25 are movably mounted in the bottom plate guide holes 24 respectively, one guide rod 25 is fixedly connected with the left block 14, the other guide rod 25 is fixedly connected with the right block 15, the support springs 17 are sleeved on the guide rods, and the support springs 17 are arranged between the left block and the bottom plate guide hole and between the right block and the strip-shaped guide hole.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The camshaft drilling device is characterized by comprising a frame, wherein a base is fixedly arranged at the lower end of the frame, a guide groove which transversely extends or longitudinally extends is formed in the upper surface of the base, a positioning sleeve sleeved at the lower end of a camshaft is movably arranged in the guide groove, the inner circumferential surface of the positioning sleeve is close to the outer circumferential surface of the camshaft and is in clearance fit with the lower end of the camshaft, a camshaft positioning device positioned above the positioning sleeve is further arranged on the frame, and a drilling device positioned above the upper end of the camshaft is further arranged on the frame;
The camshaft positioning device comprises a positioning seat with a V-shaped groove, wherein the positioning seat is fixedly arranged on the frame, the groove wall of the V-shaped groove is perpendicular to the upper surface of the base, a pressing plate with a through hole and a stud fixedly arranged on the frame, the stud is provided with external threads, a nut is arranged on the stud penetrating through the through hole of the pressing plate, the pressing plate tightly presses the camshaft in the V-shaped groove, and the axis of the positioning sleeve is perpendicular to the upper surface of the base;
The machine frame is also provided with a vertical guide post which extends vertically, a guide sleeve is movably arranged outside the vertical guide post, the positioning seat is fixedly arranged on the guide sleeve, and the stud is fixedly arranged on the positioning seat;
The bottom plate of the positioning sleeve is provided with a guide block movably arranged in the guide groove, the guide block comprises a left block and a right block, the bottom plate of the positioning sleeve is provided with a strip-shaped guide hole extending along the width direction of the guide groove, the strip-shaped guide hole is internally and movably provided with the left block and the right block which can move along the strip-shaped guide hole, supporting springs which enable the left block and the right block to approach each other are arranged between the strip-shaped guide hole and the left block and between the strip-shaped guide hole and the right block, the positioning sleeve is internally provided with a wedge block with a downward tip, the tip of the wedge block is positioned between the left block and the right block, the positioning sleeve is internally and movably provided with a circular supporting plate, the outer peripheral surface of the circular supporting plate is close to the inner wall of the positioning sleeve, the wedge block is fixedly arranged on the lower surface of the positioning sleeve, and a supporting plate supporting spring is arranged between the positioning sleeve and the circular supporting plate; a strip-shaped stop block is fixedly arranged between the large end of the wedge-shaped block and the lower surface of the round supporting plate.
2. The camshaft drilling assembly of claim 1, wherein the guide sleeve is fixedly provided with a nut, and the frame is provided with a screw rod matched with the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211890.3A CN109732121B (en) | 2019-03-20 | 2019-03-20 | Camshaft drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211890.3A CN109732121B (en) | 2019-03-20 | 2019-03-20 | Camshaft drilling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109732121A CN109732121A (en) | 2019-05-10 |
| CN109732121B true CN109732121B (en) | 2024-05-10 |
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ID=66370951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910211890.3A Active CN109732121B (en) | 2019-03-20 | 2019-03-20 | Camshaft drilling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109732121B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524024A (en) * | 2019-09-30 | 2019-12-03 | 重庆九方铸造有限责任公司 | Universal machine camshaft drilling equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202278209U (en) * | 2011-11-09 | 2012-06-20 | 江苏腾飞汽车配件有限公司 | Multifunctional hydraulic full-automatic drilling machine |
| CN104476246A (en) * | 2014-11-16 | 2015-04-01 | 重庆鼎汉机械有限公司 | Rapid center drilling fixture |
| CN205650849U (en) * | 2016-03-29 | 2016-10-19 | 重庆市祥陵机械股份有限公司 | A frock for processing camshaft end face |
| JP2017205825A (en) * | 2016-05-17 | 2017-11-24 | いすゞ自動車株式会社 | Support structure of line boring bar |
| CN108971550A (en) * | 2018-09-14 | 2018-12-11 | 山东亨通机械科技有限公司 | A kind of column cap drilling equipment |
| CN209664369U (en) * | 2019-03-20 | 2019-11-22 | 盛瑞传动股份有限公司 | A kind of camshaft drilling equipment |
-
2019
- 2019-03-20 CN CN201910211890.3A patent/CN109732121B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202278209U (en) * | 2011-11-09 | 2012-06-20 | 江苏腾飞汽车配件有限公司 | Multifunctional hydraulic full-automatic drilling machine |
| CN104476246A (en) * | 2014-11-16 | 2015-04-01 | 重庆鼎汉机械有限公司 | Rapid center drilling fixture |
| CN205650849U (en) * | 2016-03-29 | 2016-10-19 | 重庆市祥陵机械股份有限公司 | A frock for processing camshaft end face |
| JP2017205825A (en) * | 2016-05-17 | 2017-11-24 | いすゞ自動車株式会社 | Support structure of line boring bar |
| CN108971550A (en) * | 2018-09-14 | 2018-12-11 | 山东亨通机械科技有限公司 | A kind of column cap drilling equipment |
| CN209664369U (en) * | 2019-03-20 | 2019-11-22 | 盛瑞传动股份有限公司 | A kind of camshaft drilling equipment |
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| Publication number | Publication date |
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| CN109732121A (en) | 2019-05-10 |
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