CN106767328B - Rough grinding cam molded line detection device - Google Patents
Rough grinding cam molded line detection device Download PDFInfo
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- CN106767328B CN106767328B CN201611217909.8A CN201611217909A CN106767328B CN 106767328 B CN106767328 B CN 106767328B CN 201611217909 A CN201611217909 A CN 201611217909A CN 106767328 B CN106767328 B CN 106767328B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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Abstract
The invention discloses a rough grinding cam profile detection device, which comprises: the device comprises a rotating bracket, a standard molded line cam template and a displacement amplification display mechanism, wherein the rotating bracket is used for clamping the standard molded line cam template and a rough grinding cam to be detected side by side and is provided with a synchronous rotation conducting assembly for enabling the standard molded line cam template and the rough grinding cam to be detected to rotate synchronously; the displacement amplification display mechanism comprises a movable support and a detector arranged in the movable support, a probe of the detector is attached to the side face of the standard molded line cam template, the movable support comprises a support body and a movable lever, the support body is fixedly arranged, the movable lever is rotatably connected with the support body, one end of the movable lever is fixed with the detector, and the other end of the movable lever is attached to the side face of the rough grinding cam to be detected through a key structure. The design is intuitive, the difference of the molded line sizes of the piece to be detected and the standard piece is reflected in a form of amplifying the number, the requirement on the skill of an operator is not high, the automatic detection consumes less manpower, and the implementation efficiency is high, so that the corresponding problem existing in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of mechanical part detection, in particular to a rough grinding cam profile detection device.
Background
A cam is a mechanical rotary or sliding member which transmits motion to a roller moving against its edge or to a needle bar moving freely on a grooved surface, or which is subjected to forces from such a roller and needle bar. The driven part can obtain any expected motion only by designing a proper cam profile, namely the molded line of the cam, and the cam has the advantages of simple and compact structure and convenient design, thereby being widely applied to automatic machine tools, light industrial machinery, textile machinery, printing machinery, food machinery, packaging machinery and mechanical and electrical integration products.
The cam profile precision requirement is higher, needs to be processed with the digit control machine tool. The cam profile testing is mainly carried out by using a professional cam profile tester by a professional inspector, the production quality cannot be controlled in time in the production process, the produced cams cannot be subjected to all profile testing in large batch, the testing efficiency is low, and the cost is high.
In summary, how to effectively solve the technical problems of low efficiency, high cost and the like of the existing cam profile detection is a problem that needs to be solved urgently by those skilled in the art at present.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a rough grinding cam profile detection apparatus, which can effectively solve the technical problems of low efficiency and high cost of the existing cam profile detection apparatus.
In order to achieve the purpose, the invention provides the following technical scheme:
a rough grinding cam profile detection device comprises: the device comprises a rotating support, a standard molded line cam template and a displacement amplification display mechanism, wherein a first clamping position and a second clamping position for clamping the standard molded line cam template and a rough grinding cam to be detected are arranged on the rotating support side by side, and a synchronous rotation conducting assembly is arranged between the first clamping position and the second clamping position and used for enabling the rough grinding cam to be detected and the standard molded line cam template to synchronously rotate; the displacement amplification display mechanism comprises a movable support and a detector arranged in the movable support, a probe of the detector is attached to the side face of a standard molded line cam template fixed in the first clamping position, the movable support comprises a support body and a movable lever, the support body is fixedly arranged, the movable lever is rotatably connected with the support body, one end of the movable lever is fixed to the position of the detector, and the other end of the movable lever is attached to the side face of a coarse grinding cam to be detected through a key structure.
Preferably, in the above rough grinding cam profile detection device, the rotating bracket includes a rotating input frame, a middle transmission frame and a tail end fixing frame which are separately and fixedly arranged, the rotating input frame, the middle transmission frame and the tail end fixing frame can be respectively and rotatably provided with a rotating joint for fixing, and a clamping position is formed between adjacent rotating joints.
Preferably, in the above rough grinding cam profile detection apparatus, a thread adjusting mechanism is disposed between the rotary input frame and the rotary joint, and a central axis of the thread adjusting mechanism is coaxial with the rotary joint.
Preferably, in the rough grinding cam profile detection apparatus, the rotation input section is provided with a rotary rocker arm connected to the rotary joint and configured to rotationally drive the rotary joint.
Preferably, in the above rough grinding cam profile detection apparatus, the rotary input frame and the terminal fixing frame are both provided with an axial adjustment mechanism for adjusting an axial position between the rotary joint and the rotary input frame or the terminal fixing frame, so as to clamp or loosen the standard profile cam template and the rough grinding cam to be detected.
Preferably, in the rough grinding cam profile detection device, a support body of the movable support is provided with a guide rail, the length direction of the guide rail is perpendicular to the direction of the center shaft of the first clamping position, the guide rail is provided with a matched slide block, and the movable lever is rotatably connected with the slide block through the center shaft.
Preferably, in the rough grinding cam profile detection apparatus, the detector is specifically a dial indicator or a dial indicator.
The invention provides a rough grinding cam profile detection device, which comprises: the device comprises a rotating support, a standard molded line cam template and a displacement amplification display mechanism, wherein a first clamping position and a second clamping position for clamping the standard molded line cam template and a rough grinding cam to be detected are arranged on the rotating support side by side, and a synchronous rotation conducting assembly is arranged between the first clamping position and the second clamping position and used for enabling the rough grinding cam to be detected and the standard molded line cam template to synchronously rotate; the displacement amplification display mechanism comprises a movable support and a detector arranged in the movable support, a probe of the detector is attached to the side face of a standard molded line cam template fixed in the first clamping position, the movable support comprises a support body and a movable lever, the support body is fixedly arranged, the movable lever is rotatably connected with the support body, one end of the movable lever is fixed to the position of the detector, and the other end of the movable lever is attached to the side face of a coarse grinding cam to be detected through a key structure. In the technical scheme provided by the invention, a standard molded line cam template and a to-be-detected rough grinding cam are clamped by rotating supports in parallel at equal heights, the clamped phase angles and positions of the standard molded line cam template and the to-be-detected rough grinding cam are the same, if the molded line of the to-be-detected rough grinding cam is consistent with the molded line of the standard molded line cam template, the same position side distance is selected at the edges of the to-be-detected rough grinding cam template and the to-be-detected rough grinding cam template in the rotating process, and the obtained distances are the same value, in the technical scheme, the synchronous rotating conduction assembly is used for conducting rotation, the phase angles of the to-be-detected rough grinding cam template and the standard molded line are the same, two ends of a displacement amplification display mechanism are respectively attached and contacted with the molded line of the to-be-detected rough grinding cam template and the side surface of the standard, the trigger detector generates a reading, so that the appearance difference between the molded line of the rough grinding cam to be detected and the standard molded line cam template can be visually displayed, the function of detecting whether the molded line of the rough grinding cam is qualified is realized, the design is simple to implement, the requirement on the skills of operators is not high, the automatic detection consumes less labor and has high implementation efficiency, and the technical problems of low efficiency, high cost and the like of the conventional cam molded line detection are effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic top view of a rough grinding cam profile inspection apparatus according to an embodiment of the present invention.
The drawings are numbered as follows:
the device comprises a rotary rocker arm 1, a rotary input frame 2, a movable lever 3, a support body 4, a detector 5, a standard molded line cam template 6, a middle transmission frame 7, a to-be-detected rough grinding cam 8, a tail end fixing frame 9 and an axial adjusting mechanism 10.
Detailed Description
The embodiment of the invention discloses a rough grinding cam profile detection device, which aims to solve the technical problems of low cam profile detection efficiency, high cost and the like in the prior art.
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. 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.
Referring to fig. 1, fig. 1 is a schematic top view of a rough grinding cam profile inspection apparatus according to an embodiment of the present invention.
The rough grinding cam profile detection device provided by the embodiment of the invention comprises: the device comprises a rotating support, a standard molded line cam template 6 and a displacement amplification display mechanism, wherein a first clamping position and a second clamping position for clamping the standard molded line cam template 6 and a rough grinding cam 8 to be detected are arranged on the rotating support side by side, and a synchronous rotation conducting assembly is arranged between the first clamping position and the second clamping position and used for enabling the rough grinding cam 8 to be detected and the standard molded line cam template 6 to rotate synchronously; the displacement amplification display mechanism comprises a movable support and a detector 5 installed in the movable support, a probe of the detector 5 is attached to the side face of a standard molded line cam template 6 fixed in the first clamping position, the movable support comprises a support body 4 and a movable lever 3, the support body 4 is fixedly arranged, the movable lever 3 is rotatably connected with the support body 4, one end of the movable lever 3 is fixed to the position of the detector 5, and the other end of the movable lever is attached to the side face of a coarse grinding cam 8 to be detected through a key structure.
It should be noted that, preferably, a fixed base is provided, and the bottom of the rotating bracket and the support body of the movable support are fixed with the fixed base, so as to ensure the stability and precision of detection; the movable support is preferably arranged on one side between the rotations, so that the probe and the key structure of the detector are respectively contacted with the side surfaces of one sides of molded lines of the rough grinding cam to be detected and the standard molded line cam template; in a further preferred design, the position of the movable support or the installation position of the detector is adjusted at an initial position, namely, when the rotation detection is started, the indication number of the detector at the initial time is zero, and in the process of detecting the rotating workpiece, if the indication number of the detector is greater than a certain threshold value, the unqualified profile of the rough grinding cam to be detected at the corresponding position can be judged.
Further accessible adjustment runing rest's structure sets up more centre gripping positions on it like third and fourth centre gripping position, the multiple corase grind cam that awaits measuring of centre gripping simultaneously, and what correspond simultaneously sets up multiunit displacement and enlargies display mechanism, realizes the while detection of a plurality of work pieces, the detection efficiency of hoisting device that can be further.
In the technical scheme provided by the embodiment, the standard molded line cam template and the rough grinding cam to be detected are clamped by rotating the support frame in parallel at equal heights, the phase angle and the position clamped by the two are the same, if the molded line of the rough grinding cam to be detected is consistent with the molded line of the standard molded line cam template, the same position side distance is selected at the edges of the two in the rotating process, and the obtained distance is the same value, in the technical scheme, the synchronous rotating conducting assembly conducts and rotates to enable the phase angles of the two to be the same, two ends of the displacement amplification display mechanism are respectively in contact with the molded line of the rough grinding cam to be detected and the side surface of the standard molded line cam template in a fitting manner, and as the mounting position of the detector is movable, the probe and the key structure which are respectively in contact with the piece to be detected and the standard piece can generate relative movement vertical to the side surface, the trigger detector generates a reading, so that the appearance difference between the molded line of the rough grinding cam to be detected and the standard molded line cam template can be visually displayed, the function of detecting whether the molded line of the rough grinding cam is qualified is realized, the design is simple to implement, the requirement on the skills of operators is not high, the automatic detection consumes less labor and has high implementation efficiency, and the technical problems of low efficiency, high cost and the like of the conventional cam molded line detection are effectively solved.
In order to further optimize the technical solution, on the basis of the above embodiment, preferably, in the rough grinding cam profile detection apparatus, the rotating bracket includes a rotating input frame 2, an intermediate transmission frame 7 and a terminal fixing frame 9 that are separately and fixedly disposed, the rotating input frame 2, the intermediate transmission frame 7 and the terminal fixing frame 9 are all rotatably provided with rotating joints for fixing, and a clamping position is formed between adjacent rotating joints.
In the technical scheme that this embodiment provided, preferably with rotatory input frame, middle conducting frame and terminal mount and the base installation of the above embodiment fixed, certain distance is separated between the three to with the roughly grinding cam and the standard molded lines cam template centre gripping of awaiting measuring in corresponding position, through rotary joint and the rotatable coupling respectively between the three, make the roughly grinding cam and the standard molded lines cam template that await measuring can freely rotate, so that the testing process goes on smoothly.
In order to further optimize the technical solution, on the basis of the above embodiment, it is preferable that in the rough grinding cam profile detection apparatus, a thread adjusting mechanism is disposed between the rotary input frame 2 and the rotary joint, and a central axis of the thread adjusting mechanism is coaxial with the rotary joint. In the technical scheme that this embodiment provided, set up coaxial screw thread adjustment mechanism between rotary joint and rotatory input frame, make rotary joint can screw in or screw out rotatory input frame, realize the installation butt joint between rotary joint and the rotatory input frame and fix, screw thread adjustment mechanism simple structure, the processing ease has good fixed effect.
In order to further optimize the technical solution, in the rough grinding cam profile detection apparatus according to the above embodiment, preferably, the rotary input frame 2 is provided with a rotary rocker arm 1 connected to the rotary joint for driving the rotary joint to rotate.
Among the technical scheme that this embodiment provided, for the required rotation input of convenient testing process, be connected with rotary joint on rotatory input frame and set up rotatory rocking arm, the accessible manpower carries out the rotation, or connects motor reducer and realizes the input rotation.
In order to further optimize the technical solution, on the basis of the above embodiment, preferably, in the rough grinding cam profile detection apparatus, the rotary input frame 2 and the terminal fixing frame 9 are both provided with an axial adjusting mechanism 10 for adjusting an axial position between the rotary joint and the rotary input frame 2 or the terminal fixing frame 9, so as to clamp or loosen the standard profile cam template 6 and the rough grinding cam to be detected.
In the technical scheme provided by the embodiment, the axial relative position between the rotary joint and the rotary input frame or the corresponding tail end fixing frame is changed through the adjustment of the axial adjusting mechanism, so that the thickness of the first clamping position or the second clamping position is changed, the workpiece is clamped or loosened, the workpiece is convenient to assemble and disassemble, and meanwhile, when the positions of the to-be-measured rough grinding cam and the standard molded line cam template are adjusted, the clamping and fixing can be realized after the phases of the to-be-measured rough grinding cam and the standard molded line cam template are kept consistent, and the relative rotation is prevented.
In order to further optimize the technical solution, preferably on the basis of the above embodiment, in the rough grinding cam profile detection apparatus, a support body 4 of the movable support is provided with a guide rail, a length direction of the guide rail is perpendicular to a central axis direction of the first clamping position, the guide rail is provided with a matched slide block, and the movable lever 3 is rotatably connected with the slide block through the central axis.
In the technical scheme provided by the embodiment, the design of adjusting the distance between the detector and the cam workpiece is further provided, the relative distance between the probe and the key structure and the cam to be detected or the standard workpiece is adjusted by sliding the sliding block on the guide rail, so that the probe is in a critical state and has zero indication and contacts the surface of the workpiece when the probe is in an initial position, and once the indication is generated, the detector can immediately generate the indication when the molded lines of the cam to be detected and the surface of the standard workpiece are inconsistent, and the smooth implementation of detection is ensured.
In order to further optimize the above technical solution, it is preferable that, in the above-described rough grinding cam profile detection apparatus, the detector 5 is specifically a dial indicator or a dial indicator. The design maturity of percentage table or amesdial, can be accurate reflect the small displacement of probe department with the form of table needle instruction number, accord with this technical scheme requirement, further can connect electron master control equipment, judge through the computer whether have the too big condition that surpasss the threshold value of molded lines difference, further reduced the human consumption, improved the efficiency that detects.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A rough grinding cam profile detection device is characterized by comprising: the device comprises a rotating support, a standard molded line cam template and a displacement amplification display mechanism, wherein a first clamping position and a second clamping position for clamping the standard molded line cam template and a rough grinding cam to be detected are arranged on the rotating support side by side, and a synchronous rotation conducting assembly is arranged between the first clamping position and the second clamping position and used for enabling the rough grinding cam to be detected and the standard molded line cam template to synchronously rotate; the displacement amplification display mechanism comprises a movable support and a detector arranged in the movable support, a probe of the detector is attached to the side face of a standard molded line cam template fixed in the first clamping position, the movable support comprises a support body and a movable lever, the support body is fixedly arranged, the movable lever is rotatably connected with the support body, one end of the movable lever is fixed with the detector, and the other end of the movable lever is attached to the side face of the rough grinding cam to be detected through a key structure;
the rotary support comprises a rotary input frame, a middle transmission frame and a tail end fixing frame which are fixedly arranged in a split mode, rotary joints for fixing can be rotatably arranged on the rotary input frame, the middle transmission frame and the tail end fixing frame, and clamping positions are formed between adjacent rotary joints;
the movable support is characterized in that a guide rail is arranged on a support body of the movable support, the length direction of the guide rail is perpendicular to the direction of a middle shaft of the first clamping position, a matched sliding block is arranged on the guide rail, and the movable lever is rotatably connected with the sliding block through the middle shaft.
2. The rough grinding cam profile detection device according to claim 1, wherein a threaded adjusting mechanism is arranged between the rotary input frame and the rotary joint, and a central axis of the threaded adjusting mechanism is coaxial with the rotary joint.
3. The rough grinding cam profile inspection device of claim 1, wherein the rotary input carrier is provided with a rotary rocker arm connected with the rotary joint for driving the rotary joint to rotate.
4. The rough grinding cam profile detection device according to claim 2, wherein the rotary input frame and the end fixing frame are provided with axial adjusting mechanisms for adjusting the axial positions between the rotary joint and the rotary input frame or the end fixing frame so as to clamp or loosen the standard profile cam template and the rough grinding cam to be detected.
5. The rough grinding cam profile detection device according to claim 1, wherein the detector is specifically a dial indicator or a dial indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217909.8A CN106767328B (en) | 2016-12-26 | 2016-12-26 | Rough grinding cam molded line detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217909.8A CN106767328B (en) | 2016-12-26 | 2016-12-26 | Rough grinding cam molded line detection device |
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| CN106767328A CN106767328A (en) | 2017-05-31 |
| CN106767328B true CN106767328B (en) | 2020-08-18 |
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| CN201611217909.8A Active CN106767328B (en) | 2016-12-26 | 2016-12-26 | Rough grinding cam molded line detection device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043933A (en) * | 2019-12-31 | 2020-04-21 | 中冶重工（唐山）有限公司 | Pump valve forging inspection device and method |
| CN113607033B (en) * | 2021-08-02 | 2024-01-26 | 常熟纺织机械厂有限公司 | Cam curve parameter detection device |
| CN114043393B (en) * | 2021-11-10 | 2023-08-11 | 首都航天机械有限公司 | Small part comparison detection clamping device and method |
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| GB854498A (en) * | 1956-01-24 | 1960-11-23 | Birmingham Small Arms Co Ltd | Improvements in or relating to the gauging of cam profiles |
| CN2129927Y (en) * | 1992-06-10 | 1993-04-14 | 武汉工学院 | Cam shaft detector |
| CN101251370A (en) * | 2008-03-29 | 2008-08-27 | 安徽华祥实业有限公司 | Piston molded line cam lift synthetic checking instrument |
| CN102252851A (en) * | 2011-06-29 | 2011-11-23 | 重庆银钢汽车配件制造有限责任公司 | Tool special for checking cam shaft on line |
| CN203203546U (en) * | 2013-04-02 | 2013-09-18 | 莱芜环球汽车零部件有限公司 | Camshaft phase angle error rapid determination detection apparatus |
| CN105043432A (en) * | 2015-08-18 | 2015-11-11 | 安徽日正新源电气技术有限公司 | Method for detecting camshaft phase sensor |
| CN206330529U (en) * | 2016-12-26 | 2017-07-14 | 重庆市银钢一通科技有限公司 | One kind corase grind cam profile detection means |
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2016
- 2016-12-26 CN CN201611217909.8A patent/CN106767328B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB854498A (en) * | 1956-01-24 | 1960-11-23 | Birmingham Small Arms Co Ltd | Improvements in or relating to the gauging of cam profiles |
| CN2129927Y (en) * | 1992-06-10 | 1993-04-14 | 武汉工学院 | Cam shaft detector |
| CN101251370A (en) * | 2008-03-29 | 2008-08-27 | 安徽华祥实业有限公司 | Piston molded line cam lift synthetic checking instrument |
| CN102252851A (en) * | 2011-06-29 | 2011-11-23 | 重庆银钢汽车配件制造有限责任公司 | Tool special for checking cam shaft on line |
| CN203203546U (en) * | 2013-04-02 | 2013-09-18 | 莱芜环球汽车零部件有限公司 | Camshaft phase angle error rapid determination detection apparatus |
| CN105043432A (en) * | 2015-08-18 | 2015-11-11 | 安徽日正新源电气技术有限公司 | Method for detecting camshaft phase sensor |
| CN206330529U (en) * | 2016-12-26 | 2017-07-14 | 重庆市银钢一通科技有限公司 | One kind corase grind cam profile detection means |
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