CN101444893B - Device for grinding camshafts - Google Patents
Device for grinding camshafts Download PDFInfo
- Publication number
- CN101444893B CN101444893B CN2008102385520A CN200810238552A CN101444893B CN 101444893 B CN101444893 B CN 101444893B CN 2008102385520 A CN2008102385520 A CN 2008102385520A CN 200810238552 A CN200810238552 A CN 200810238552A CN 101444893 B CN101444893 B CN 101444893B
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- China
- Prior art keywords
- grinding
- camshafts
- guide rail
- hydraulic motor
- bearing block
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000003801 milling Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000012913 prioritisation Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a device for grinding camshafts, which comprises a bracket; a first grinding mechanism and a second grinding mechanism used for grinding camshafts are arranged on the bracket; the grinding mechanisms can move along a guiding rail, to meet the requirements of processing camshafts with different lengths; when the camshafts with equal length are processed, a bearing support and the guiding rail are fixed through the device so that the disassembly and the assembly of camshafts are more convenient; a shifting fork is connected with a castellated shaft; at the preparation stage of grinding operation or after the device finishes grinding, the device can be used for adjusting the distance between a grinding blade and the camshafts, the grinding effect is better, and the grinding blade and the camshafts can be prevented from damage; a spring between the castellated shaft and the second bearing support can facilitate good contact of the grinding blade at the end of a grinding rod and the camshafts; therefore, the processing precision and the grinding quality are enhanced.
Description
Technical field
The present invention relates to a kind of machinery processing apparatus, specifically, relate to a kind of device for grinding camshafts.
Background technology
Camshaft is adding man-hour; Usually must on the central point at material axle two ends, roughing go out centre bore; So that camshaft is arranged on the processing of carrying out Cutting Process on the lathe, centre bore is the positioning reference of workpiece, and the form and position tolerance precision of its conical surface directly influences the crudy of workpiece.Because this centre bore is that roughing forms; So the form and position tolerance ratio of precision of the axiality of its two ends centre bore and the conical surface is relatively poor; When carrying out post-order process; Camshaft can produce beat when being placed between the thimble of lathe rotation, and the camshaft mass ratio that causes producing is relatively poor, and percent defective is than higher.
Summary of the invention
The problem that the present invention will solve is to above problem, provide a kind of easy to use, machining accuracy is high, the device for grinding camshafts of good product quality.
For overcoming the above problems, the technical scheme that the present invention adopted is: device for grinding camshafts, comprise support, and it is characterized in that: said support is provided with and is used for first grinding mechanism and second grinding mechanism that camshaft is ground.This structure can be simultaneously ground the centre bore at camshaft two ends, and said second grinding mechanism comprises second bearing block, and said second bearing block is provided with hydraulic motor and milling bar; Said milling bar and hydraulic motor are in transmission connection, and it is top that the end of said milling bar is provided with grinding, the top grinding sword that is provided with of said grinding; Said second bearing block is provided with pressed seat; Pressed seat is provided with rotating shaft, and rotating shaft is provided with operating grip and shift fork, and shift fork and milling bar are in transmission connection.
Prioritization scheme further is provided with splined shaft between said milling bar and the hydraulic motor, and shift fork is connected with splined shaft.After the preparatory stage or grinding end of the work of grinding, use this device can be used for adjusting the distance of grinding between sword and the camshaft, make the better effects if of grinding, can also avoid damage to grind sword and camshaft.
Prioritization scheme further is provided with spring between the said splined shaft and second bearing block.The elastic force of this spring itself can the assisted milling boom end the grinding sword well contact with camshaft, improved Grinding Quality.
Further again prioritization scheme, said support is provided with guide rail, and second bearing block is arranged on the guide rail, is provided with clamping device between second bearing block and the guide rail.Second grinding mechanism can move along guide rail, and with the needs of satisfied processing different length camshaft, and when processing the camshaft of equal length, this device is fixed bearing block and guide rail, and is convenient when dismounting and mounting cam axle.
The concrete prioritization scheme of clamping device, said clamping device comprises the pull bar that is arranged between second bearing block and the guide rail, and the bottom of pull bar is provided with plug screw, and the top of pull bar has cavity, accommodates eccentric shaft in this cavity, and eccentric shaft is provided with operation handlebar.
The concrete prioritization scheme of first grinding mechanism; Said first grinding mechanism comprises the clutch shaft bearing seat, and said clutch shaft bearing seat is provided with hydraulic motor and milling bar, and said milling bar and hydraulic motor are in transmission connection; It is top that the end of said milling bar is provided with grinding, the top grinding sword that is provided with of said grinding.
Further prioritization scheme, said clutch shaft bearing seat is arranged on the guide rail, is provided with clamping device between said clutch shaft bearing seat and the guide rail.First grinding mechanism can move along guide rail, is used with second grinding mechanism, to satisfy the needs of processing different length camshaft, uses more convenient.
The present invention takes above technical scheme, has the following advantages:
(1) grinding mechanism can move along guide rail, and with the needs of satisfied processing different length camshaft, and when processing the camshaft of equal length, this device is fixed bearing block and guide rail, and is convenient when dismounting and mounting cam axle.
(2) shift fork is connected with splined shaft, after the preparatory stage or grinding end of the work of grinding, can be used for adjusting the distance of grinding between sword and the camshaft, makes the better effects if of grinding, can also avoid damage to grind sword and camshaft.
(3) the grinding sword that the spring between splined shaft and second bearing block can the assisted milling boom end well contacts with camshaft, has improved machining accuracy and Grinding Quality.
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Description of drawings
Accompanying drawing 1 is the structural representation of embodiment convexity wheel shaft lapping device among the present invention;
Accompanying drawing 2 is the structural representation of first grinding mechanism in the embodiment of the invention;
Accompanying drawing 3 is the structural representation of second grinding mechanism in the embodiment of the invention;
Accompanying drawing 4 is the structural representation of clamping device in the embodiment of the invention.
Among the figure:
The 1-hydraulic motor, 2-bearing block, 3-bearing, 4-support set, 5-milling bar, 6-spline housing, 7-spline, 8-locking nut; 9-grinds top, the 10-carriage, and the 11-camshaft, 12-grinds top, 13-bearing block, 14-priming cup, 15-operating grip; The 16-clamping device, 17-rotating shaft, 18-pressed seat, 19-shift fork, 20-spring, 21-splined shaft, 22-spline housing; The 23-hydraulic motor, 24-bearing, 25-pull bar, 26-eccentric shaft, 27-plug screw, 28-limited block, 29-guide rail; The 30-support, 31-spline, 32-operation handlebar, 33-milling bar, 34-clamping device, 35-operation handlebar, 36-support set
The specific embodiment
Embodiment, as shown in Figure 1, device for grinding camshafts; Comprise support 30, support 30 is provided with guide rail 29, and guide rail 29 is provided with and is used for the carriage 10 of supporting cam wheel axle 11; The two ends of guide rail 29 are respectively arranged with a centre-hole lapping machine structure, and the centre-hole lapping machine structure in left side is first grinding mechanism, the hydraulic motor 1 that first grinding mechanism comprises clutch shaft bearing seat 2, be in transmission connection and grind top 9; Grind top 9 and be provided with the grinding sword; Hydraulic motor 1 is arranged on the clutch shaft bearing seat 2 with grinding top 9, and first grinding mechanism is provided with operation handlebar 35, and the centre-hole lapping machine structure on right side is second grinding mechanism; Second grinding mechanism comprises second bearing block 13, the hydraulic motor 23 that is in transmission connection and grinds top 12; Grind top 12 and be provided with the grinding sword, hydraulic motor 23 is arranged on second bearing block 13 with grinding top 12, and second bearing block 13 is provided with pressed seat 18 and operating grip 15.
As shown in Figure 2, clutch shaft bearing seat 2 is fixed on the guide rail 29 in support 30 left sides, grinds top 9 and is arranged on the milling bar 5; The grinding sword of its end contacts with camshaft 11; Milling bar 5 is fixedly connected with the turning cylinder of hydraulic motor 1, and the turning cylinder of hydraulic motor 1 is provided with spline housing 6, is provided with spline 7 between the turning cylinder of spline housing 6 and hydraulic motor 1; Spline housing 6 is provided with two bearings 3; Be provided with support set 4 between two bearings 3, milling bar 5 is provided with spline housing 6 is fixed on the locking nut 8 on the clutch shaft bearing seat 2, is provided with clamping device 16 between clutch shaft bearing seat 2 and the guide rail 29.
As shown in Figure 3, second bearing block 13 is fixed on the guide rail 29 in support 30 left sides, grinds top 12 and is arranged on the milling bar 33; The grinding sword of its end contacts with camshaft 11, and milling bar 33 is arranged on the splined shaft 21, and splined shaft 21 is fixedly connected with the turning cylinder of hydraulic motor 23; The turning cylinder of hydraulic motor 23 is provided with spline housing 22, is provided with spline 31 between the turning cylinder of spline housing 22 and hydraulic motor 23, is provided with spring 20 between spline housing 22 and the splined shaft 21; Spline housing 22 is provided with between 24, two bearings 24 of two bearings and is provided with support set 36, and pressed seat 18 is provided with rotating shaft 17; Operating grip 15 is fixed in the rotating shaft 17, and rotating shaft 17 is provided with shift fork 19, and shift fork 19 is connected with splined shaft 21; Second bearing block 13 is provided with between priming cup 14, the second bearing blocks 13 and the guide rail 29 and is provided with clamping device 34.
As shown in Figure 4; Clamping device 34 comprises the pull bar 25 that is arranged between second bearing block 13 and the guide rail 29, and the bottom of pull bar 25 is provided with the plug screw 27 that when pull bar 25 rises, compresses guide rail 29, and the top of pull bar 25 has cavity; Accommodate the eccentric shaft 26 vertical in this cavity with pull bar 25; Between the pull bar 25 and second bearing block 13, be provided with limited block 28, limited block 28 is threaded with second bearing block 13, and eccentric shaft 26 is provided with operation handlebar 32.
Clamping device 16 between clutch shaft bearing seat 2 and the guide rail 29 and the clamping device 34 between second bearing block 13 and the guide rail 29 have identical structure.
During use, camshaft 11 is placed between first grinding mechanism and second grinding mechanism, makes the centre bore at camshaft 11 two ends corresponding with grinding top 12 with grinding top 9; Pull operation handlebar 32, eccentric shaft 26 rotates compressing pull bar 25 and moves up, and pull bar 25 drives plug screw 27 and moves up; Plug screw 27 compresses guide rail 29, the second bearing blocks 13 and just is fixed together with guide rail 29, in like manner; Pull operation handlebar 35, clutch shaft bearing seat 2 and guide rail 29 are fixed together, pull operating grip 15; Shift fork 19 with splined shaft 21 and milling bar 33 adjust to grind top 9 with grind top 12 and contact with the centre bore of camshaft 11, primer fluid pressure motor 1 and hydraulic motor 23, hydraulic motor 1 is opposite with hydraulic motor 23 direction of rotation; Grind top 9 and will two centre bores of camshaft 11 be ground with the grinding sword that grinds on top 12, grind finish after, pull operating grip 15 in the other direction; Shift fork 19 drives and grinds top moving, and makes to grind toply to unclamp with camshaft 11 centre bores, pulls operation handlebar 32 then in the other direction; Eccentric shaft 26 rotates compressing pull bar 25 and moves down, and pull bar 25 drives plug screw 27 and moves down, and plug screw 27 unclamps with guide rail 29; Second bearing block 13 just separates with guide rail 29; Second bearing block 13 and clutch shaft bearing seat 2 are moved along guide rail 29 to the right, just can camshaft 11 be taken off, next root camshaft is installed is once more processed.
Claims (8)
1. device for grinding camshafts; Comprise support (30), it is characterized in that: said support (30) is provided with and is used for first grinding mechanism and second grinding mechanism that camshaft (11) is ground, and second grinding mechanism comprises second bearing block (13); Said second bearing block (13) is provided with hydraulic motor (23) and milling bar (33); Said milling bar (33) is in transmission connection with hydraulic motor (23), and the end of said milling bar (33) is provided with grinds top (12), and said grinding top (12) is provided with the grinding sword; Said second bearing block (13) is provided with pressed seat (18); Pressed seat (18) is provided with rotating shaft (17), and rotating shaft (17) is provided with operating grip (15) and shift fork (19), and shift fork (19) is in transmission connection with milling bar (33).
2. device for grinding camshafts as claimed in claim 1 is characterized in that: be provided with splined shaft (21) between said milling bar (33) and the hydraulic motor (23), shift fork (19) is connected with splined shaft (21).
3. device for grinding camshafts as claimed in claim 2 is characterized in that: be provided with spring (20) between said splined shaft (21) and second bearing block (13).
4. like one of them described device for grinding camshafts of claim 1-3; It is characterized in that: said support (30) is provided with guide rail (29); Second bearing block (13) is arranged on the guide rail (29), is provided with clamping device (34) between second bearing block (13) and the guide rail (29).
5. device for grinding camshafts as claimed in claim 4; It is characterized in that: said clamping device (34) comprises the pull bar (25) that is arranged between second bearing block (13) and the guide rail (29); The bottom of pull bar (25) is provided with plug screw (27); The top of pull bar (25) has cavity, accommodates eccentric shaft (26) in this cavity, and eccentric shaft (26) is provided with operation handlebar (32).
6. device for grinding camshafts as claimed in claim 1; It is characterized in that: said first grinding mechanism comprises clutch shaft bearing seat (2); Said clutch shaft bearing seat (2) is provided with hydraulic motor (1) and milling bar (5); Said milling bar (5) is in transmission connection with hydraulic motor (1), and the end of said milling bar (5) is provided with grinds top (9), and said grinding top (9) is provided with the grinding sword.
7. device for grinding camshafts as claimed in claim 5; It is characterized in that: said first grinding mechanism comprises clutch shaft bearing seat (2); Said clutch shaft bearing seat (2) is provided with hydraulic motor (1) and milling bar (5); Said milling bar (5) is in transmission connection with hydraulic motor (1), and the end of said milling bar (5) is provided with grinds top (9), and said grinding top (9) is provided with the grinding sword.
8. device for grinding camshafts as claimed in claim 7 is characterized in that: said clutch shaft bearing seat (2) is arranged on the guide rail (29), is provided with clamping device (16) between said clutch shaft bearing seat (2) and the guide rail (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102385520A CN101444893B (en) | 2008-12-18 | 2008-12-18 | Device for grinding camshafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102385520A CN101444893B (en) | 2008-12-18 | 2008-12-18 | Device for grinding camshafts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101444893A CN101444893A (en) | 2009-06-03 |
| CN101444893B true CN101444893B (en) | 2012-02-29 |
Family
ID=40740938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102385520A Expired - Fee Related CN101444893B (en) | 2008-12-18 | 2008-12-18 | Device for grinding camshafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101444893B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262748B (en) * | 2017-07-27 | 2023-04-18 | 绍兴柯桥普利欣精密仪器有限公司 | Telescopic elastic rotary positioning live center device |
| CN107571122B (en) * | 2017-09-07 | 2019-07-02 | 浙江博星工贸有限公司 | Camshaft cross slid platform grinding machine |
| CN108622629B (en) * | 2018-05-30 | 2024-04-23 | 中国联合工程有限公司 | Transplanting positioning tool |
| CN109176187B (en) * | 2018-11-12 | 2021-01-29 | 长春汇凯科技有限公司 | Centre bore grinding device and system |
| CN110653555A (en) * | 2019-11-18 | 2020-01-07 | 株洲易力达机电有限公司 | Combined type rotation welding jig |
-
2008
- 2008-12-18 CN CN2008102385520A patent/CN101444893B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101444893A (en) | 2009-06-03 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: WEIFANG SHENGRUI MOTOR MACHINERY CO.,LTD. Free format text: FORMER OWNER: WEIFANG WEICHAI POWER CO., LTD. Effective date: 20100701 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 261041 17TH FLOOR, TIANMAGUOJI, NO.5166, DONGFENG EAST STREET, WEIFANG CITYHIGH + NEW TECHNOLOGY INDUSTRY DEVELOPMENT ZONE, WEIFANG CITY, SHANDONG PROVINCE TO: 261205 SOUTH OF YINGQIAN STREET, EAST OF WEI AN ROAD, HIGH + NEW TECHNOLOGY DEVELOPMENT AREA, WEIFANG CITY, SHANDONG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20100701 Address after: 261205 Shandong province Weifang city Weifang high tech Zone Cherry Street South East Wei Road Applicant after: SHENGRUI TRANSMISSION CORPORATION LIMITED Address before: 261041, No. 5166, Dongfeng East Street, Weifang hi tech Zone, Shandong Province, Tianma International 17 Applicant before: Weifang Weichai Parts & Machinery Co.,Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: SHENGRUI TRANSMISSION CORPORATION LIMITED Free format text: FORMER OWNER: WEIFANG SHENGRUI POWER SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20111101 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 261205 WEIFANG, SHANDONG PROVINCE TO: 261041 WEIFANG, SHANDONG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20111101 Address after: 261041 Shandong city of Weifang province high tech Zone South Road East Dongfeng East Street to Matsu business building 17 Applicant after: SHENGRUI TRANSMISSION Corp.,Ltd. Address before: 261205 Shandong province Weifang city Weifang high tech Zone Cherry Street South East Wei Road Applicant before: SHENGRUI TRANSMISSION CORPORATION LIMITED |
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Granted publication date: 20120229 |