CN107984275B - Fixing tool for milling crankshaft - Google Patents
Fixing tool for milling crankshaft Download PDFInfo
- Publication number
- CN107984275B CN107984275B CN201711411465.6A CN201711411465A CN107984275B CN 107984275 B CN107984275 B CN 107984275B CN 201711411465 A CN201711411465 A CN 201711411465A CN 107984275 B CN107984275 B CN 107984275B
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- CN
- China
- Prior art keywords
- block
- fixing
- groove
- base
- guide
- 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.)
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- 238000003801 milling Methods 0.000 title claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a fixing tool for milling a crankshaft, which solves the problems of complex structure and low flexibility of the existing crankshaft fixing tool and comprises a base with a mounting port, a first fixing block, a second fixing block, a first positioning block, a second positioning block and a compression cylinder; the two opposite side walls of the first fixed block are provided with first fixed grooves, and the first fixed block is positioned in the mounting port; the first fixing block and the second fixing block are respectively positioned at two sides of the first fixing block, the second fixing block is provided with a second fixing groove, a fixing hole is formed between the first fixing groove and the second fixing groove, and the second fixing block is provided with a guide groove; the first positioning block is arranged on the base, and the side wall of the first positioning block is provided with a guide block matched with the guide groove; the second positioning block is positioned at one side of the second fixing block, which is opposite to the first fixing block, and is provided with an adjusting bolt; the pressing cylinder is arranged on the base, the piston rod of the pressing cylinder is connected with the pressing block, and the pressing block can be pressed at the upper end of the fixing hole.
Description
Technical Field
The invention relates to a fixing tool for milling a crankshaft.
Background
The crankshaft is the most important component in an engine. The engine is used for bearing the force transmitted by the connecting rod, converting the force into torque, outputting the torque through the crankshaft and driving other accessories on the engine to work. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending torsion load. Therefore, the crankshaft is required to have enough strength and rigidity, and the journal surface needs to be wear-resistant, uniform in work and good in balance.
In the production process of the crankshaft, the front end of the crankshaft is required to be milled, so that the crankshaft is required to be fixed by using a fixing tool. However, in the prior art, the structure of the tool for fixing the crankshaft is complex, the flexibility of use is low, the fixing operation of the crankshaft is troublesome, and the efficiency of milling the crankshaft is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fixing tool for milling a crankshaft.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a fixing tool for milling a crankshaft comprises a base, a first fixing block, a second fixing block, a first positioning block, a second positioning block, a compression cylinder and a driving cylinder; the base is provided with an installation opening; the two opposite side walls of the first fixed block are provided with a first fixed groove extending up and down, and the first fixed block is positioned in the mounting port and fixedly connected with the base; the second fixing block is provided with two fixing blocks, the two second fixing blocks are positioned in the mounting opening and are respectively positioned on two opposite sides of the first fixing block, the side wall of each second fixing block facing the first fixing block is provided with a second fixing groove extending up and down, the first fixing groove is matched with the second fixing groove to form a fixing hole, and the two opposite side walls of each second fixing block are provided with guide grooves; the first positioning block is fixedly connected to the base and positioned at the side edge of the second positioning block, the side wall of the first positioning block is provided with a guide block, the guide block is matched in the guide groove, and the guide block can move in the guide groove; the second positioning block is fixed on the base, the second positioning block is positioned on one side of the second fixing block, which is opposite to the first fixing block, an adjusting bolt is in threaded fit with the second positioning block, and the end part of the adjusting bolt passes through the second positioning block and is abutted against the second fixing block; the driving cylinder is arranged on the base, a piston rod of the driving cylinder is connected with the second fixed block and can push the second fixed block to move towards or away from the first fixed block; the compressing cylinder is arranged on the base, a piston rod of the compressing cylinder is connected with the compressing block, and the compressing block can move along with the piston rod and can be pressed at the upper end of the fixing hole.
Preferably, the side wall of the base is connected with a mounting plate, and the compression cylinder is connected to the mounting plate.
Preferably, the mounting plate is connected with an elastic compression piece, and the elastic compression piece is propped against the compression block.
Preferably, the upper end of the second fixing block is provided with a matching groove, and the matching groove is vertically connected with the second fixing groove.
Preferably, the first fixing block and the second fixing block are respectively provided with a first guide hole and a second guide hole, and the first guide hole is in butt joint with the second guide hole and is provided with a guide rod in a penetrating way.
Preferably, the base comprises a transverse plate and a vertical plate, and the vertical plate is provided with two vertical plates and is respectively connected with two ends of the transverse plate.
Preferably, the side wall of the transverse plate is provided with a groove, the side wall of the vertical plate facing the transverse plate is provided with a convex strip, and the convex strip is clamped in the groove.
The invention has the advantages that: the second fixed block is connected to the first fixed block through the guide block, and meanwhile, the second fixed block can move relative to the first fixed block under the drive of the driving cylinder, so that the clamping or loosening of the crankshaft by the fixed hole is realized, and the structure and the operation are simple and the efficiency is high; on the other hand, the fixed block moves relative to the fixed block, so that the size of the fixed hole can be adjusted, and the use flexibility of the invention is obviously improved for fixing crankshafts with different sizes; the adjusting bolt on the second positioning block can be used for supporting the second fixing block, limiting the maximum stroke of the second fixing block, and improving the stability of the second fixing block during movement; the upper end of the crankshaft can be fixedly pressed by the pressing cylinder and the pressing block, so that the stability of the crankshaft in the fixing hole is ensured; in the structure of the invention, two fixing holes are formed, so that two crankshafts can be simultaneously subjected to fixed milling, and the cutting efficiency of the invention is improved.
Drawings
Fig. 1 is a schematic diagram of a fixture for milling a crankshaft according to the present embodiment;
fig. 2 is a top view of a fixture for milling a crankshaft according to the present embodiment;
FIG. 3 is another view of the fixture for milling crankshafts provided in this embodiment;
FIG. 4 is a top view of a cross plate according to the present embodiment;
FIG. 5 is a schematic view of a first fixing block according to the present embodiment;
FIG. 6 is a top view of a first fixing block according to the present embodiment;
fig. 7 is a side view of a second fixing block according to the present embodiment.
Detailed Description
The fastening tool for crankshaft milling according to the invention is further described with reference to fig. 1 to 7.
A fixing tool for milling a crankshaft comprises a base 2, a first fixing block 1, a second fixing block 3, a first positioning block 6, a second positioning block 5, a compression cylinder 9 and a driving cylinder 4; the base 2 comprises a transverse plate 21 and two vertical plates 22, and the two vertical plates 22 are respectively connected to the two ends of the transverse plate 21 through bolts; the transverse plate 21 is provided with a mounting opening 211; the two opposite side walls of the first fixing block 1 are provided with a first fixing groove 11 extending up and down, the first fixing block 1 is positioned in the mounting hole 211 and fixedly connected with the transverse plate 21, namely the first fixing block 1 is provided with a threaded hole and is fixedly connected with the transverse plate 21 through the threaded hole; the second fixing block 3 is provided with two fixing blocks, the two second fixing blocks 3 are all positioned in the mounting opening 211 and are respectively positioned at two opposite sides of the first fixing block 1, the side wall of each second fixing block 3 facing the first fixing block 1 is provided with a second fixing groove 32 extending up and down, the first fixing groove 11 and the second fixing groove 32 are matched to form a fixing hole, and the two opposite side walls of each second fixing block 3 are provided with guide grooves 33; the first positioning block 6 is fixedly connected to the transverse plate 21 through a bolt and is positioned at the side edge of the second positioning block 3, the side wall of the first positioning block 6 is provided with a guide block which is matched in the guide groove 33, and the guide block can move in the guide groove 33, so that the second positioning block 3 is hung on the first positioning block 6; the second positioning block 5 is fixed on the transverse plate 21 through a bolt, the second positioning block 5 is positioned on one side of the second fixing block 3, which is opposite to the first fixing block 1, an adjusting bolt 8 is in threaded fit with the second positioning block 5, and the end part of the adjusting bolt 8 passes through the second positioning block 5 and abuts against the second fixing block 3; the driving cylinder 4 is arranged on the vertical plate 22, and a piston rod of the driving cylinder 4 is connected with the fixed block II 3 and can push the fixed block II 3 to move towards or back to the fixed block I1; the compressing cylinder 9 is arranged on the base 2, a piston rod of the compressing cylinder 9 is connected with the compressing block 13, the compressing block 13 can move along with the piston rod and can be pressed at the upper end of the fixing hole, and the compressing block is driven to move by the driving cylinder 4, so that the crankshaft 14 is conveniently fixed.
Further, the mounting plate 10 is connected to the side wall of the transverse plate 21, the compressing cylinder 9 is connected to the mounting plate 10, the mounting plate 10 is inclined at 20 degrees, and the compressing block 13 is pushed to be propped against the upper end of the crankshaft in the fixing hole from the side edge, so that the crankshaft is conveniently installed in the fixing hole in the vertical direction, and further the crankshaft is conveniently fixed.
Further, the mounting plate 10 is connected with an elastic compressing piece 12, the elastic compressing piece 12 is pressed against the compressing block 13, the lower surface of the compressing block 13 is used for pressing the crankshaft, the compressing piece 12 is pressed against the upper surface of the compressing block 13, the compressing piece is an iron piece and has elasticity, the compressing piece can be pressed downwards, and the compressing block compresses the crankshaft in the fixing hole.
Further, the upper end of the second fixing block 3 is provided with a matching groove 31, the matching groove 31 is vertically connected with the second fixing groove 32, and the matching groove 31 is used for matching a crank arm of the crankshaft, so that the structural strength of the embodiment for fixing the crankshaft is further improved.
Further, the first fixing block 1 and the second fixing block 3 are respectively provided with a first guide hole 15 and a second guide hole 34, the first guide hole is in butt joint with the second guide hole and is provided with a guide rod in a penetrating way, and the arrangement can improve the moving stability of the second fixing block 3 relative to the first fixing block 1, so that stable fixing of the crankshaft is realized.
Further, the side wall of the transverse plate 21 is provided with a groove, the side wall of the vertical plate 22 facing the transverse plate 21 is provided with a convex strip, the convex strip is clamped in the groove, and the structural strength of the connection between the transverse plate 21 and the vertical plate 22 can be increased.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (4)
1. A fixed frock for bent axle mills, characterized by: the device comprises a base, a first fixed block, a second fixed block, a first positioning block, a second positioning block, a compacting cylinder and a driving cylinder; the base is provided with an installation opening; the two opposite side walls of the first fixed block are provided with a first fixed groove extending up and down, and the first fixed block is positioned in the mounting port and fixedly connected with the base; the second fixing block is provided with two fixing blocks, the two second fixing blocks are positioned in the mounting opening and are respectively positioned on two opposite sides of the first fixing block, the side wall of each second fixing block facing the first fixing block is provided with a second fixing groove extending up and down, the first fixing groove is matched with the second fixing groove to form a fixing hole, and the two opposite side walls of each second fixing block are provided with guide grooves; the first positioning block is fixedly connected to the base and positioned at the side edge of the second positioning block, the side wall of the first positioning block is provided with a guide block, the guide block is matched in the guide groove, and the guide block can move in the guide groove; the second positioning block is fixed on the base, the second positioning block is positioned on one side of the second fixing block, which is opposite to the first fixing block, an adjusting bolt is in threaded fit with the second positioning block, and the end part of the adjusting bolt passes through the second positioning block and is abutted against the second fixing block; the driving cylinder is arranged on the base, a piston rod of the driving cylinder is connected with the second fixed block and can push the second fixed block to move towards or away from the first fixed block; the compressing cylinder is arranged on the base, a piston rod of the compressing cylinder is connected with a compressing block, and the compressing block can move along with the piston rod and can be arranged at the upper end of the fixing hole in a compressing mode;
the side wall of the base is connected with a mounting plate, and the compression cylinder is connected to the mounting plate;
the mounting plate is connected with an elastic compression piece which is propped against the compression block;
the upper end of the second fixed block is provided with a matching groove, and the matching groove is vertically connected with the second fixed block.
2. The fixture for milling a crankshaft of claim 1, wherein: the first fixing block and the second fixing block are respectively provided with a first guide hole and a second guide hole, and the first guide hole is in butt joint with the second guide hole and is provided with a guide rod in a penetrating way.
3. The fixture for milling a crankshaft of claim 1, wherein: the base includes diaphragm and riser, the riser has two and connects in the both ends of diaphragm respectively.
4. A fixture for milling crankshafts according to claim 3, characterized by: the side wall of the transverse plate is provided with a groove, the side wall of the vertical plate facing the transverse plate is provided with a convex strip, and the convex strip is clamped in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411465.6A CN107984275B (en) | 2017-12-23 | 2017-12-23 | Fixing tool for milling crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411465.6A CN107984275B (en) | 2017-12-23 | 2017-12-23 | Fixing tool for milling crankshaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107984275A CN107984275A (en) | 2018-05-04 |
| CN107984275B true CN107984275B (en) | 2023-08-15 |
Family
ID=62041590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411465.6A Active CN107984275B (en) | 2017-12-23 | 2017-12-23 | Fixing tool for milling crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107984275B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396910A (en) * | 2018-12-28 | 2019-03-01 | 江苏裕邦车业科技有限公司 | A kind of automobile gear axis drilling processing air clamper |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149503A (en) * | 1995-06-23 | 2000-11-21 | Unova Uk Limited | Method and apparatus for supporting a crankshaft in a grinding machine for grinding the crankpins of the crankshaft |
| US6322300B1 (en) * | 1996-07-02 | 2001-11-27 | Boehringer Werkzeugmaschinen Gmbh | Milling machine |
| CN101786242A (en) * | 2010-02-23 | 2010-07-28 | 林素伟 | Drilling jig for drilling oblique oil hole on crankshaft |
| CN201613464U (en) * | 2010-02-23 | 2010-10-27 | 林素伟 | Crankshaft oblique oil hole drilling jig |
| CN102848242A (en) * | 2012-09-24 | 2013-01-02 | 永安市金声机械有限公司 | Crankshaft double-end surface milling and drilling clamp |
| CN202984677U (en) * | 2012-11-23 | 2013-06-12 | 嘉兴市宏丰机械有限公司 | Work fixture for machining crankshaft eccentric shaft |
| CN206326416U (en) * | 2016-12-21 | 2017-07-14 | 重庆昌跃机电制造有限公司 | The milling lid fixture produced for crankshaft-link rod |
-
2017
- 2017-12-23 CN CN201711411465.6A patent/CN107984275B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6149503A (en) * | 1995-06-23 | 2000-11-21 | Unova Uk Limited | Method and apparatus for supporting a crankshaft in a grinding machine for grinding the crankpins of the crankshaft |
| US6322300B1 (en) * | 1996-07-02 | 2001-11-27 | Boehringer Werkzeugmaschinen Gmbh | Milling machine |
| CN101786242A (en) * | 2010-02-23 | 2010-07-28 | 林素伟 | Drilling jig for drilling oblique oil hole on crankshaft |
| CN201613464U (en) * | 2010-02-23 | 2010-10-27 | 林素伟 | Crankshaft oblique oil hole drilling jig |
| CN102848242A (en) * | 2012-09-24 | 2013-01-02 | 永安市金声机械有限公司 | Crankshaft double-end surface milling and drilling clamp |
| CN202984677U (en) * | 2012-11-23 | 2013-06-12 | 嘉兴市宏丰机械有限公司 | Work fixture for machining crankshaft eccentric shaft |
| CN206326416U (en) * | 2016-12-21 | 2017-07-14 | 重庆昌跃机电制造有限公司 | The milling lid fixture produced for crankshaft-link rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107984275A (en) | 2018-05-04 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Fixed fixture for crankshaft milling Granted publication date: 20230815 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiaxing Xiuzhou branch Pledgor: ZHEJAING HONGLONG MACHINERY CO.,LTD. Registration number: Y2024330000612 |