CN113352118A - Crankshaft machining clamp with automatic positioning and anti-reverse detection functions - Google Patents
Crankshaft machining clamp with automatic positioning and anti-reverse detection functions Download PDFInfo
- Publication number
- CN113352118A CN113352118A CN202110649804.4A CN202110649804A CN113352118A CN 113352118 A CN113352118 A CN 113352118A CN 202110649804 A CN202110649804 A CN 202110649804A CN 113352118 A CN113352118 A CN 113352118A
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- CN
- China
- Prior art keywords
- positioning block
- pushing
- positioning
- machining clamp
- crankshaft machining
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- 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
Abstract
The invention discloses a crankshaft machining clamp with automatic positioning and anti-reverse detection functions, which comprises a base, wherein two positioning block groups with the same size are fixed on the base, two groups of rotary oil cylinders are arranged between the two positioning block groups and fixed on the base, and a pressure plate is arranged at the output end of each rotary oil cylinder. The positioning block group sequentially comprises a pushing cylinder, a pushing block, an angular positioning block, a proximity switch, a short-axis radial positioning block, a long-axis radial positioning block and an axial positioning block from right to left. According to the invention, through realizing the automation of pushing positioning, anti-reverse detection and pressing after the workpiece is installed, the installation efficiency and the positioning stability are improved, the generation of waste products caused by the wrong installation of the workpiece is avoided, the quality is improved, and the working hours of personnel operation are reduced.
Description
Technical Field
The invention relates to the technical field of shaft machining, in particular to a crankshaft machining clamp with automatic positioning and anti-reverse detection functions.
Background
At present, the positioning accuracy of some crankshaft machining clamps has higher requirements on operators. The poor positioning of the workpiece and even the wrong installation direction are easily caused by negligence of an operator, the problems are often found after waste products are generated, and the production material cost is increased while the working hours are wasted.
Disclosure of Invention
In view of the above-mentioned technical problems, a crankshaft machining fixture with automatic positioning and anti-reverse detection functions is provided.
The technical means adopted by the invention are as follows:
the utility model provides a bent axle adds clamping apparatus with automatic positioning and prevent anti-detection function, includes the base, and the base is inside to be equipped with the oil circuit, and two sets of sizes, the same locating block group of function and two sets of rotary oil cylinder that are used for the work piece to compress tightly and install the clamp plate in rotary oil cylinder output are installed to the base upper end.
The positioning block group sequentially comprises a pushing cylinder, a pushing block, an angular positioning block, a proximity switch, a short-axis radial positioning block, a long-axis radial positioning block and an axial positioning block from right to left, and the centers of all parts are on the same straight line.
The pushing oil cylinder is arranged at the rightmost end, the bottom oil hole is communicated with the oil way of the base, and the pushing oil cylinder is transversely arranged, so that the forward pushing and retreating actions can be realized. The pushing block is arranged at the output end of the pushing oil cylinder, and the front end of the pushing block is provided with a round pin. The angular positioning block is arranged on the left side of the pushing oil cylinder, and the lower end of the angular positioning block is provided with a through hole for installing the proximity switch. The short-axis radial positioning block and the long-axis radial positioning block are sequentially arranged on the left side of the angular positioning block. The axial positioning block is arranged at the leftmost end.
The rotary oil cylinders are respectively arranged between the two sets of short-axis radial positioning blocks and between the long-axis radial positioning blocks. The oil hole at the bottom of the rotary oil cylinder is connected with the oil circuit of the base. The rotary oil cylinder is vertically installed, and the output end can rotate 90 degrees while moving up and down. The output ends of the two groups of rotary oil cylinders are provided with pressing plates.
In the use state: two crankshafts are respectively placed on the two sets of positioning block groups, and the short shafts and the long shafts of the crankshafts are respectively contacted with the V-shaped parts of the short shaft radial positioning blocks and the long shaft radial positioning blocks to complete radial positioning. The eccentric part of the crankshaft enters the angular positioning block, and the angular positioning block is limited by the inner wall of the U-shaped groove of the angular positioning block, so that the angular positioning is completed. Then the pushing oil cylinder pushes the pushing block to move forward and contact with one end of the eccentric side of the crankshaft to push the crankshaft to move to the left until the other end of the crankshaft abuts against the axial positioning block. When the eccentric part of the workpiece is placed correctly, the circular pin at the front end of the pushing block is inserted into the inner hole of the crankshaft, after the pushing block is pushed, the pushing block enters an induction area of the proximity switch, after the proximity switch gives a command, the two groups of rotary oil cylinders drive the pressing plate to rotate 90 degrees and press down, and the workpiece is positioned and clamped. When the direction of the eccentric part of the workpiece is reversed, the circular pin at the front end of the pushing block cannot be inserted into the inner hole of the crankshaft, after the workpiece is pushed, the pushing block cannot enter an induction area of the proximity switch, the proximity switch does not give a command within 5 seconds, and at the moment, the machine tool sends out an abnormal clamping alarm and cannot start machining.
The invention has the following advantages:
1. the stability of axial positioning is enhanced by arranging the automatic pushing positioning device, and the positioning precision and the operation efficiency are improved.
2. By arranging the anti-reverse detection function, the machine tool damage and the waste generation caused by the fact that an operator reversely places a workpiece and cannot find the workpiece in time are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a crankshaft machining fixture with automatic positioning and anti-reverse detection functions according to an embodiment of the present invention.
Fig. 2 is a side view of a crankshaft machining fixture with automatic positioning and anti-reverse detection functions according to an embodiment of the present invention.
In the figure: 1. a base; 2. pushing against the oil cylinder; 3. a pushing block; 4. angular positioning blocks; 5. a proximity switch; 6. a short-axis radial positioning block; 7. a long-axis radial positioning block; 8. axial positioning blocks; 9. rotating the oil cylinder; 10. and (7) pressing a plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1 and 2, the crankshaft machining fixture with the automatic positioning and anti-reverse detection functions comprises a base 1, wherein an oil way is arranged in the base 1, two positioning block groups with the same size and function, two groups of rotary oil cylinders 9 used for compressing workpieces and a pressure plate 10 arranged at the output ends of the rotary oil cylinders 9 are arranged at the upper end of the base 1. The positioning block group sequentially comprises a pushing cylinder 2, a pushing block 3, an angular positioning block 4, a proximity switch 5, a short-axis radial positioning block 6, a long-axis radial positioning block 7 and an axial positioning block 8 from right to left, and the centers of all parts are on the same straight line. The pushing oil cylinder 2 is arranged at the rightmost end, the bottom oil hole is communicated with the oil way of the base 1, and the pushing oil cylinder 2 is transversely arranged, so that the forward pushing and retreating actions can be realized. The pushing block 3 is arranged at the output end of the pushing oil cylinder 2, and a round pin is arranged at the front end of the pushing block 2. The angular positioning block 4 is arranged on the left side of the pushing oil cylinder 2, and the lower end of the angular positioning block is provided with a through hole for installing the proximity switch 5. And the short-axis radial positioning block 6 and the long-axis radial positioning block 7 are sequentially arranged on the left side of the angular positioning block 4. The axial positioning block 8 is mounted at the leftmost end. And the rotary oil cylinders 9 are respectively arranged between the two sets of short-axis radial positioning blocks 6 and between the long-axis radial positioning blocks 7. The oil hole at the bottom of the oil cylinder is connected with the oil way of the base 1. The rotary oil cylinder 9 is vertically installed, and the output end can rotate 90 degrees while moving up and down. And the output ends of the two groups of rotary oil cylinders are provided with pressing plates 10.
In the use state: two crankshafts are respectively placed on the two sets of positioning block groups, and the short shafts and the long shafts of the crankshafts are respectively contacted with the V-shaped parts of the short shaft radial positioning blocks 6 and the long shaft radial positioning blocks 7 to complete radial positioning. The eccentric part of the crankshaft enters the angular positioning block 4, and the angular positioning block 4 is limited by the inner wall of the U-shaped groove of the angular positioning block to complete angular positioning. Then the pushing oil cylinder 2 pushes the pushing block 3 to move forward and contact with one end of the eccentric side of the crankshaft to push the crankshaft to move to the left until the other end of the crankshaft abuts against the axial positioning block 8. When the direction of the eccentric part of the workpiece is placed correctly, the round pin at the front end of the pushing block 3 is inserted into the inner hole of the crankshaft, after pushing, the pushing block 3 enters the induction area of the proximity switch 5, after the proximity switch 5 gives a command, the two groups of rotary oil cylinders 9 drive the pressing plate 10 to rotate for 90 degrees and press down, and the workpiece is positioned and clamped. When the direction of the eccentric part of the workpiece is reversed, the round pin at the front end of the pushing block 3 cannot be inserted into the inner hole of the crankshaft, after the workpiece is pushed, the pushing block 3 cannot enter the induction area of the proximity switch 5, the proximity switch 5 does not give a command within 5 seconds, and at the moment, the machine tool sends out an abnormal clamping alarm and cannot start machining.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a bent axle adds clamping apparatus with automatic positioning and prevent anti-detection function which characterized in that includes: the device comprises a base, two positioning block groups with the same size and function, two groups of rotary oil cylinders for workpiece compression and a pressing plate arranged at the output end of the rotary oil cylinders;
an oil way is arranged inside the base;
the positioning block group is arranged at the upper end of the base;
the positioning block group sequentially comprises from right to left: the center of all parts are on the same straight line;
the pushing oil cylinder is arranged at the rightmost end, the bottom oil hole is communicated with the oil way of the base, and the pushing oil cylinder is transversely arranged and used for realizing forward pushing and backward moving;
the pushing block is arranged at the output end of the pushing oil cylinder, and a round pin is arranged at the front end of the pushing block;
the angular positioning block is arranged on the left side of the pushing oil cylinder, and the lower end of the angular positioning block is provided with a through hole for mounting the proximity switch; the proximity switch main body is arranged in the through hole;
the short-axis radial positioning block and the long-axis radial positioning block are sequentially arranged on the left side of the angular positioning block; the axial positioning block is arranged at the leftmost end;
two groups of rotary oil cylinders are respectively arranged between two sets of short-axis radial positioning blocks and between long-axis radial positioning blocks; the oil hole at the bottom of the rotary oil cylinder is connected with the oil circuit of the base; the rotary oil cylinder is vertically installed, and the output end can rotate 90 degrees while moving up and down; the output ends of the two groups of rotary oil cylinders are provided with pressing plates.
2. The crankshaft machining clamp with the automatic positioning and anti-reverse detection functions according to claim 1, characterized in that:
the angular positioning block is of a U-shaped structure.
3. The crankshaft machining clamp with the automatic positioning and anti-reverse detection functions according to claim 1, characterized in that:
the short-axis radial positioning block and the long-axis radial positioning block are of 90-degree V-shaped structures.
4. The crankshaft machining clamp with the automatic positioning and anti-reverse detection functions according to claim 1, characterized in that:
the proximity switch is of an inductive type.
5. The crankshaft machining clamp with the automatic positioning and anti-reverse detection functions as claimed in claim 2, wherein the crankshaft machining clamp comprises:
the whole of the angular positioning block is subjected to heat treatment, and the inner side of the U-shaped structure is subjected to fine grinding.
6. The crankshaft machining clamp with the automatic positioning and anti-reverse detection functions as claimed in claim 3, wherein the crankshaft machining clamp comprises:
the whole of the short-axis radial positioning block and the long-axis radial positioning block is subjected to heat treatment, and the inner side of the V-shaped structure is subjected to fine grinding.
7. The crankshaft machining clamp with the automatic positioning and anti-reverse detection functions as claimed in claim 4, wherein the crankshaft machining clamp comprises:
the induction distance of the proximity switch is 0-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110649804.4A CN113352118A (en) | 2021-06-10 | 2021-06-10 | Crankshaft machining clamp with automatic positioning and anti-reverse detection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110649804.4A CN113352118A (en) | 2021-06-10 | 2021-06-10 | Crankshaft machining clamp with automatic positioning and anti-reverse detection functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113352118A true CN113352118A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110649804.4A Pending CN113352118A (en) | 2021-06-10 | 2021-06-10 | Crankshaft machining clamp with automatic positioning and anti-reverse detection functions |
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| CN (1) | CN113352118A (en) |
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|---|---|---|---|---|
| CN101670526A (en) * | 2008-09-12 | 2010-03-17 | 天润曲轴股份有限公司 | Jig for drilling flange hole of crankshaft |
| CN102896583A (en) * | 2012-08-30 | 2013-01-30 | 珠海格力电器股份有限公司 | Automatic alarming device for preventing grinding wheel from striking crank shaft thrust face |
| CN203003529U (en) * | 2012-12-21 | 2013-06-19 | 宁波圣龙汽车动力系统股份有限公司 | Clamp for machining of keyway of camshaft |
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| CN204248566U (en) * | 2014-11-19 | 2015-04-08 | 中汽成都配件有限公司 | A kind of automobile camshaft mistake proofing detects processing tool |
| CN204381920U (en) * | 2015-01-12 | 2015-06-10 | 鸿特机械发展(上海)有限公司 | A kind of processing connecting rod deep hole special fixture |
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| KR101602116B1 (en) * | 2015-11-30 | 2016-03-21 | 주식회사 대송 | A connecting rod processing jig |
| CN108788850A (en) * | 2018-08-07 | 2018-11-13 | 浙江卓驰机电科技有限公司 | It is a kind of to be used for special fixture of the cam shaft to hole machined |
| CN111136481A (en) * | 2020-01-15 | 2020-05-12 | 山东理工大学 | Crankshaft key groove milling mistake-proofing positioning device |
| CN111745444A (en) * | 2020-07-20 | 2020-10-09 | 庆铃汽车（集团）有限公司 | Crankshaft machining clamp |
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2021
- 2021-06-10 CN CN202110649804.4A patent/CN113352118A/en active Pending
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| CN101670526A (en) * | 2008-09-12 | 2010-03-17 | 天润曲轴股份有限公司 | Jig for drilling flange hole of crankshaft |
| CN102896583A (en) * | 2012-08-30 | 2013-01-30 | 珠海格力电器股份有限公司 | Automatic alarming device for preventing grinding wheel from striking crank shaft thrust face |
| CN203003529U (en) * | 2012-12-21 | 2013-06-19 | 宁波圣龙汽车动力系统股份有限公司 | Clamp for machining of keyway of camshaft |
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| CN204248566U (en) * | 2014-11-19 | 2015-04-08 | 中汽成都配件有限公司 | A kind of automobile camshaft mistake proofing detects processing tool |
| CN204381920U (en) * | 2015-01-12 | 2015-06-10 | 鸿特机械发展(上海)有限公司 | A kind of processing connecting rod deep hole special fixture |
| CN204770764U (en) * | 2015-07-09 | 2015-11-18 | 肇庆精通机械有限公司 | Slow -witted anchor clamps are prevented to bent axle spring spot facing work |
| KR101602116B1 (en) * | 2015-11-30 | 2016-03-21 | 주식회사 대송 | A connecting rod processing jig |
| CN108788850A (en) * | 2018-08-07 | 2018-11-13 | 浙江卓驰机电科技有限公司 | It is a kind of to be used for special fixture of the cam shaft to hole machined |
| CN111136481A (en) * | 2020-01-15 | 2020-05-12 | 山东理工大学 | Crankshaft key groove milling mistake-proofing positioning device |
| CN111745444A (en) * | 2020-07-20 | 2020-10-09 | 庆铃汽车（集团）有限公司 | Crankshaft machining clamp |
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Address after: 116600 No. 8 Songlan Street, Dalian Economic and Technological Development Zone, Liaoning Province Applicant after: Bingshan Songyang Compressor (Dalian) Co.,Ltd. Address before: No.8 Songlan street, Jinzhou new district, Dalian City, Liaoning Province Applicant before: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO.,LTD. |