CN111136481A - Crankshaft key groove milling mistake-proofing positioning device - Google Patents
Crankshaft key groove milling mistake-proofing positioning device Download PDFInfo
- Publication number
- CN111136481A CN111136481A CN202010042156.1A CN202010042156A CN111136481A CN 111136481 A CN111136481 A CN 111136481A CN 202010042156 A CN202010042156 A CN 202010042156A CN 111136481 A CN111136481 A CN 111136481A
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- CN
- China
- Prior art keywords
- proximity switch
- crankshaft
- switch sensor
- positioning
- key groove
- 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.)
- Pending
Links
- 238000003801 milling Methods 0.000 title claims description 7
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/002—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
- B23Q17/003—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a position
-
- 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
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
- B23Q2703/105—Devices for clamping workpieces of a particular form or made from a particular material for clamping a crankshaft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a crankshaft key groove mistake-proofing positioning device, which solves the technical problem that the symmetry degree of a key groove is over-poor due to inaccurate positioning of the conventional crankshaft key groove positioning device. The clamp is provided with a clamp body, an axial positioning column and a crankshaft support are arranged on the clamp body, the axial positioning column and the crankshaft support are fixedly arranged on the clamp body, a pressing plate supporting column and a pressing stud are further arranged on the clamp body, a pressing plate is arranged on the pressing stud, an angular positioning column is fixedly arranged on the clamp body, a positioning cushion block is fixedly arranged on the angular positioning column, a proximity switch sensor is arranged on the angular positioning column, a data line is arranged on the proximity switch sensor and is connected with a machine tool control system, and a through hole capable of penetrating through the proximity switch sensor is formed in the positioning cushion block. The invention can be widely applied to numerical control machine tool equipment.
Description
Technical Field
The invention relates to a positioning device, in particular to a crankshaft key groove milling mistake-proofing positioning device.
Background
The crankshaft is one of the main parts of the piston engine, and the crankshaft is used for converting gas force transmitted by the piston and the connecting rod into torque output so as to drive a power device connected with the crankshaft. The key groove on the crankshaft is used as a key part for power transmission of the crankshaft, and the machining position precision of the key groove directly influences the assembly quality of the crankshaft, the performance of bearing impact load and the performance of transmitting power.
At present, when processing the bent axle keyway, need the operator to carry out the angular positioning to the connecting rod journal usually, but in the actual operation, the phenomenon that connecting rod journal angular positioning is inaccurate or there are impurity such as iron fillings in angular positioning department takes place occasionally, leads to the symmetry super poor of bent axle keyway, causes the bent axle to scrap even, has seriously influenced product quality.
Disclosure of Invention
Aiming at the technical problem that the symmetry degree of a key groove is over poor due to inaccurate positioning of the conventional crankshaft key groove milling positioning device, the invention provides the crankshaft key groove milling mistake-proofing positioning device which can accurately position the position of the crankshaft key groove and can avoid interference of impurities such as scrap iron and the like at the positioning part.
The technical scheme includes that the error-proofing positioning device for the crankshaft key milling groove is provided with a clamp body, an axial positioning column and a crankshaft support are arranged on the clamp body, the axial positioning column and the crankshaft support are fixedly mounted on the clamp body, a pressing plate support column and a pressing stud are further arranged on the clamp body, a pressing plate is mounted on the pressing stud, an angular positioning column is further fixedly mounted on the clamp body, a positioning cushion block is fixedly arranged on the angular positioning column, a proximity switch sensor is mounted on the angular positioning column, a data line is arranged on the proximity switch sensor and connected with a machine tool control system, the center of the proximity switch sensor and the center of a crankshaft connecting rod shaft neck are on the same horizontal line, a through hole capable of penetrating through the proximity switch sensor is formed in the positioning cushion block, and the center of the through hole in the positioning cushion.
Preferably, the angle positioning column is provided with a threaded hole, the threaded hole is matched with an external thread on the proximity switch sensor, the diameter of a through hole in the positioning cushion block is larger than that of the proximity switch sensor, and the proximity switch sensor is provided with a locking nut.
Preferably, the pressing stud is sleeved with a supporting spring.
Preferably, the crankshaft support is a V-shaped support.
Preferably, the hold-down stud, the pressing plate strut and the clamp body are all connected through bolts, and the angular positioning column is connected with the positioning cushion block through bolts.
Preferably, when the distance between the proximity switch sensor and the surface of the crankshaft connecting rod shaft neck is 2mm, the proximity reaction signal can be received in the machine tool control system, and the proximity switch sensor is fixed on the angular positioning column through the locking nut.
Preferably, the diameter of the through hole on the positioning cushion block is 3-5 mm larger than the diameter of the excircle of the proximity switch sensor.
The device has the advantages that the device is improved on the basis of the existing key groove tool, a set of proximity switch sensors are added to be connected with a machine tool control system, only when the angular positioning of the shaft diameter of the crankshaft connecting rod is accurate enough, the proximity switch sensors can be close to the shaft diameter of the crankshaft connecting rod enough, and the machine tool control system can process the crankshaft after receiving signals of the proximity switch sensors, so that the positioning positions of all the crankshafts are the same, the processing precision of the key grooves of the crankshafts is consistent, the processing process is more stable, and the quality is more reliable.
Drawings
FIG. 1 is a schematic view of an assembled structure of an embodiment of the present invention;
fig. 2 is a left side view of fig. 1.
The symbols in the drawings illustrate that:
1. a clamp body; 2. an angular positioning column; a V-shaped support; 4. positioning a cushion block; 5. a proximity switch sensor; 6. an axial positioning column; 7. compressing the stud; 8. pressing a plate; 9. a platen support; 10. a support spring; 11. locking the nut; 12. a data line; 13. and (5) pressing the nut.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1-2, a crankshaft key groove mistake proofing positioning device is provided with a clamp body 1, the clamp body 1 is provided with an axial positioning column 6 and a V-shaped support 3, the axial positioning column 6 and the V-shaped support 3 are both fixedly installed on the clamp body 1 through bolts, the axial positioning column 6 is supported on a thrust surface of a crankshaft, the V-shaped support 3 is used for supporting a crankshaft journal, the clamp body 1 is further provided with a pressure plate pillar 9 and a pressure stud 7 through bolts, the pressure plate 8 is installed on the pressure stud 7, the pressure plate 8 is used for assisting in fixing the crankshaft, the pressure stud 7 is sleeved with a support spring 10, the bottom surface of the pressure plate 8 is pressed on the support spring 10, the upper surface of the pressure plate 8 is fixed by a pressure nut 13, the pressure plate pillar 9 is in contact with the bottom surface of the pressure plate 8 and is used for supporting the pressure plate 8, after the machining is completed, the, so as to be separated from the surface of the main journal.
The angle positioning column 2 is fixedly installed on the fixture body 1 through bolts, the positioning cushion block 4 is fixedly installed on the angle positioning column 2 through bolts, and the other end face of the positioning cushion block 4 is in contact with a crankshaft reference connecting rod journal to perform angle positioning. Be equipped with the screw hole on the angle reference column 2, threaded hole is equipped with proximity switch sensor 5, be equipped with the external screw thread on the proximity switch sensor 5, the two passes through screw-thread fit, proximity switch sensor 5 center is on same water flat line with the center of bent axle connecting rod journal, be equipped with the through-hole that can pass proximity switch sensor 5 on the location cushion 4, through-hole diameter ratio on the location cushion 4 is 3mm ~ 5mm big than proximity switch sensor 5 excircle diameter, the center of through-hole is unanimous with proximity switch sensor 5's center on the location cushion 4, can realize adjusting proximity switch sensor 5 and the distance of bent axle connecting rod axle diameter through the cooperation screw thread of adjustment proximity switch sensor 5 and angle reference column.
The proximity switch sensor 5 is provided with a data line 12, the data line 12 is connected with a machine tool control system, the position of the proximity switch sensor 5 is adjusted, when the distance between the proximity switch sensor 5 and the surface of the crankshaft connecting rod shaft neck is 2mm, a proximity reaction signal can be received in the machine tool control system, machining operation can be executed, the proximity switch sensor 5 is locked by a locking nut 11, and the position of the proximity switch sensor 5 is relatively fixed. If have impurity such as iron fillings and not contact crankshaft connecting rod axle journal with positioning pad 4 completely because of misoperation or positioning pad 4 are last, machine tool control system will unable received sensing signal, the lathe will be unable work this moment, only when the angular positioning is enough accurate, machine tool control system receives proximity switch sensor 5's signal and just can process, just so can make the locating position of each bent axle the same, guarantee that the machining precision of bent axle keyway is unanimous, make the course of working more stable, production efficiency obtains very big the improvement, and easy operation, product quality is reliable.
However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (7)
1. A crankshaft key groove milling mistake-proofing positioning device is characterized by being provided with a clamp body, wherein an axial positioning column and a crankshaft support are arranged on the clamp body, the axial positioning column and the crankshaft support are both fixedly arranged on the fixture body, the fixture body is also provided with a pressing plate support column and a pressing stud, a pressing plate is arranged on the pressing stud, an angular positioning column is also fixedly arranged on the clamp body, a positioning cushion block is fixedly arranged on the angular positioning column, a proximity switch sensor is arranged on the angular positioning column, a data line is arranged on the proximity switch sensor, the data line is connected with a machine tool control system, the center of the proximity switch sensor and the center of the crankshaft connecting rod journal are on the same horizontal line, the positioning cushion block is provided with a through hole capable of penetrating through the proximity switch sensor, and the center of the through hole on the positioning cushion block is consistent with that of the proximity switch sensor.
2. The crankshaft key groove mistake proofing positioning device as claimed in claim 1, wherein a threaded hole is formed in the angular positioning column, the threaded hole is matched with an external thread on the proximity switch sensor, the diameter of a through hole in the positioning cushion block is larger than that of the proximity switch sensor, and a locking nut is arranged on the proximity switch sensor.
3. The crankshaft key groove mistake proofing positioning device as claimed in claim 1, wherein a support spring is sleeved on the compression stud.
4. The crankshaft key way mistake proofing positioning device of claim 1 wherein the crankshaft support is a V-shaped support.
5. The crankshaft key groove mistake proofing positioning device as claimed in claim 1, wherein the hold-down stud, the pressure plate pillar and the clamp body are all connected by bolts, and the angular positioning column is connected with the positioning cushion block by bolts.
6. The crankshaft keyseat mistake proofing positioning device as claimed in claim 1, wherein when the distance between the proximity switch sensor and the surface of the crankshaft connecting rod journal is 2mm, a proximity reaction signal can be received in a machine tool control system, and the proximity switch sensor is fixed on the angular positioning column through a locking nut.
7. The crankshaft key groove mistake proofing positioning device as claimed in claim 1, wherein the diameter of the through hole on the positioning cushion block is 3 mm-5 mm larger than the diameter of the outer circle of the proximity switch sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042156.1A CN111136481A (en) | 2020-01-15 | 2020-01-15 | Crankshaft key groove milling mistake-proofing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042156.1A CN111136481A (en) | 2020-01-15 | 2020-01-15 | Crankshaft key groove milling mistake-proofing positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111136481A true CN111136481A (en) | 2020-05-12 |
Family
ID=70525165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010042156.1A Pending CN111136481A (en) | 2020-01-15 | 2020-01-15 | Crankshaft key groove milling mistake-proofing positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111136481A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745444A (en) * | 2020-07-20 | 2020-10-09 | 庆铃汽车（集团）有限公司 | Crankshaft machining clamp |
| CN113352118A (en) * | 2021-06-10 | 2021-09-07 | 松下压缩机(大连)有限公司 | Crankshaft machining clamp with automatic positioning and anti-reverse detection functions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020046047A (en) * | 2000-12-12 | 2002-06-20 | 류정열 | Apparatus for fixing crank on deburring |
| CN203622003U (en) * | 2013-11-18 | 2014-06-04 | 内江雨田机械制造有限公司 | Crankshaft keyseat fixture |
| CN104070397A (en) * | 2014-06-19 | 2014-10-01 | 安徽埃夫特智能装备有限公司 | Angle direction positioning mechanism and method for machining automobile camshaft |
| CN207402743U (en) * | 2017-09-18 | 2018-05-25 | 金石机器人常州股份有限公司 | The angular detent mechanism of differential casing |
| CN110014308A (en) * | 2019-05-30 | 2019-07-16 | 长江师范学院 | A kind of angular positioning device of crankshaft |
| CN211490569U (en) * | 2020-01-15 | 2020-09-15 | 山东理工大学 | Crankshaft key groove mistake proofing positioning device |
-
2020
- 2020-01-15 CN CN202010042156.1A patent/CN111136481A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020046047A (en) * | 2000-12-12 | 2002-06-20 | 류정열 | Apparatus for fixing crank on deburring |
| CN203622003U (en) * | 2013-11-18 | 2014-06-04 | 内江雨田机械制造有限公司 | Crankshaft keyseat fixture |
| CN104070397A (en) * | 2014-06-19 | 2014-10-01 | 安徽埃夫特智能装备有限公司 | Angle direction positioning mechanism and method for machining automobile camshaft |
| CN207402743U (en) * | 2017-09-18 | 2018-05-25 | 金石机器人常州股份有限公司 | The angular detent mechanism of differential casing |
| CN110014308A (en) * | 2019-05-30 | 2019-07-16 | 长江师范学院 | A kind of angular positioning device of crankshaft |
| CN211490569U (en) * | 2020-01-15 | 2020-09-15 | 山东理工大学 | Crankshaft key groove mistake proofing positioning device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745444A (en) * | 2020-07-20 | 2020-10-09 | 庆铃汽车（集团）有限公司 | Crankshaft machining clamp |
| CN113352118A (en) * | 2021-06-10 | 2021-09-07 | 松下压缩机(大连)有限公司 | Crankshaft machining clamp with automatic positioning and anti-reverse detection functions |
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 255000 No. 266 West Village Road, Zhangdian District, Shandong, Zibo Applicant after: Shandong University of Technology Applicant after: Tianrun Industrial Technology Co., Ltd Address before: 255000 No. 266 West Village Road, Zhangdian District, Shandong, Zibo Applicant before: Shandong University of Technology Applicant before: TIANRUN CRANKSHAFT Co.,Ltd. |