CN113074614B - Piston roundness testing device based on automatic feeding mechanism - Google Patents
Piston roundness testing device based on automatic feeding mechanism Download PDFInfo
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- CN113074614B CN113074614B CN202110250645.0A CN202110250645A CN113074614B CN 113074614 B CN113074614 B CN 113074614B CN 202110250645 A CN202110250645 A CN 202110250645A CN 113074614 B CN113074614 B CN 113074614B
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- shell
- piston body
- piston
- spring
- ring
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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
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a piston roundness testing device based on an automatic feeding mechanism, which comprises a shell, a ring, a pull rope and a pressure rod, wherein the ring is rotatably arranged on the outer side of the shell, second springs are fixedly arranged in the periphery of the shell, a sliding groove for accommodating the pressure rod is formed in the shell, the pull rope is fixedly connected to the surface of the ring, the pressure rod is fixedly connected to the tail end of the pull rope, the pressure rod is fixedly connected with the second springs, a connector is rotatably arranged at the front end of the pressure rod, and a piston body is arranged between the connector and an adjacent connector. The beneficial effects of the invention are as follows: this piston roundness testing arrangement based on automatic feeding mechanism can carry out the centre gripping work to the piston through the centre gripping subassembly of equiangular distribution on the device, can also adjust the position of test through the adjustable amesdial on the device simultaneously, has promoted the result of use of device.
Description
Technical Field
The invention relates to the technical field of piston machining, in particular to a piston roundness testing device based on an automatic feeding mechanism.
Background
The automatic feeding mechanism is one of conveying equipment, and mainly drives the connecting piece to move through the piston cylinder, so that automatic conveying work is realized, the piston is an important component part in the feeding mechanism, after the piston is produced, the quality of a finished product of the piston needs to be ensured, therefore, a piston roundness testing device needs to be used, and some problems still exist in the prior piston roundness testing devices when in use:
when the piston roundness testing device is used, the pistons with different sizes are not convenient to clamp and fix, the using effect is poor, and the adjustable testing work cannot be carried out according to the size of the piston, so that the adjustable degree is low, and the overall measuring effect is influenced.
Disclosure of Invention
The invention provides a piston roundness testing device based on an automatic feeding mechanism, aiming at the defects of the prior art.
The invention solves the technical problems by the following technical means:
piston roundness testing arrangement based on automatic feeding mechanism, including shell, ring, stay cord and depression bar, the outside of shell is rotated and is installed the ring, and the inside all around of shell is all fixedly provided with the second spring, and the spout that is used for placing the depression bar is seted up to the inside of shell, the fixed surface of ring is connected with the stay cord, and the terminal fixedly connected with depression bar of stay cord, depression bar and second spring fixed connection, the front end rotation of depression bar is installed the connector, be provided with the piston body between connector and the adjacent connector.
The beneficial effects of the technical scheme are that:
when the device is used, the connector at the front end of the pressure rod can be used for propping against the piston body, so that the device can be used for stably clamping the piston, meanwhile, the piston body can be located at the middle part of the device through the second spring in the device, the accuracy in the follow-up roundness detection is guaranteed, the defects that the existing roundness detection devices are low in accuracy and poor in adjustability in detection are overcome, and the device has the advantage of stronger adaptability.
On the basis of the technical scheme, the invention can be improved as follows.
Further, a connecting shell is arranged on the outer side of the shell, a first spring is fixedly connected inside the connecting shell, a handle is fixedly connected on the surface of the shell, and a connecting plate is fixedly connected on the side face of the shell; the compression bar passes through and constitutes elastic construction between second spring and the shell, and the axis of second spring is on same straight line with the axis of compression bar, laminating each other between the outer wall of compression bar and the inner wall of spout.
The beneficial effect of adopting above-mentioned further scheme is, can guarantee the stability when the depression bar removes through the spout of putting mutually laminating with the depression bar.
Further, a connecting rod is fixedly connected above the first spring, a rubber cushion is rotatably arranged on the side face of the connecting rod, an elastic structure is formed between the connecting rod and the connecting shell through the first spring, and the lower surface of the rubber cushion is mutually attached to the upper surface of the piston body; the connecting rod is in central symmetry shape distribution in the inside of shell, and connecting rod and shell pass through to constitute revolution mechanic between connector and the piston body.
The adoption of the further scheme has the beneficial effects that the shell can rotate around the piston body through the rotating structure on the device, so that the device is more convenient in roundness detection.
Further, a screw is arranged in the internal thread of the connecting plate, a limiting rod penetrates through the connecting plate, and a dial indicator is arranged at the front end bearing of the screw; the dial indicator forms a rotating structure through the limiting rod, the screw and the connecting plate, the connecting plate is located above the circular ring, and the limiting rod and the screw are parallel to each other.
The invention has the beneficial effects that: the position of the dial indicator can be adjusted by utilizing the limiting rod and the screw rod on the device, so that the device can be suitable for piston bodies of different sizes.
Drawings
FIG. 1 is a schematic view of a schematic cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of the connection structure of the connection shell and the connection rod of the present invention;
FIG. 4 is a schematic top view of the present invention;
fig. 5 is a schematic view of the connection structure of the compression bar and the connector of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. the device comprises a shell, 2, a circular ring, 3, a pull rope, 4, a compression bar, 5, a connector, 6, a piston body, 7, a first spring, 8, a connecting rod, 9, a rubber pad, 10, a chute, 11, a second spring, 12, a handle, 13, a connecting plate, 14, a screw, 15, a limit rod, 16, a dial indicator, 17 and a connecting shell.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The piston is an important component part in the automatic feeding mechanism, after the piston is produced, in order to ensure the overall quality of the device, a piston roundness detection device is needed, the existing piston roundness detection devices are troublesome in fixing pistons with different sizes, are inconvenient to perform one-time fixing work, are poor in adjustability, cannot detect the roundness of the periphery of the piston while fixing, cannot adjust a detection assembly according to the size of the piston during use, and are poor in applicability, and the inventor proposes a piston roundness testing device based on the automatic feeding mechanism to solve the problems.
The present invention provides the following preferred embodiments
As shown in fig. 1, fig. 3 and fig. 5, piston roundness testing arrangement based on automatic feeding mechanism, including shell 1, ring 2, stay cord 3 and depression bar 4, ring 2 is installed in the outside rotation of shell 1, the inside all around of shell 1 is fixed and is provided with second spring 11, spout 10 that is used for placing depression bar 4 has been seted up to the inside of shell 1, the fixed surface of ring 2 is connected with stay cord 3, the terminal fixedly connected with depression bar 4 of stay cord 3, depression bar 4 and second spring 11 fixed connection, connector 5 is installed in the front end rotation of depression bar 4, be provided with piston body 6 between connector 5 and the adjacent connector 5, can carry out the fixed of centre position to piston body 6 through connector 5 on the device, the practicality of device has been promoted.
In this embodiment, as shown in fig. 1-3, in order to further improve the stability of the testing device when in use, a connection shell 17 is arranged on the outer side of the housing 1, a first spring 7 is fixedly connected inside the connection shell 17, a grip 12 is fixedly connected on the surface of the housing 1, and a connection plate 13 is fixedly connected on the side surface of the housing 1; the compression bar 4 forms elastic structure through between second spring 11 and the shell 1, and the axis of second spring 11 and the axis of compression bar 4 are on same straight line, laminating each other between the outer wall of compression bar 4 and the inner wall of spout 10, can guarantee the stability when compression bar 4 removes through the spout 10 of laminating each other with compression bar 4 on the device.
In this embodiment, as shown in fig. 1 and fig. 2-3, in order to further improve the convenience of the testing device during use, a connecting rod 8 is fixedly connected above the first spring 7, a rubber pad 9 is rotatably installed on a side surface of the connecting rod 8, the connecting rod 8 forms an elastic structure through between the first spring 7 and the connecting shell 17, and the lower surface of the rubber pad 9 is mutually attached to the upper surface of the piston body 6; the connecting rod 8 is central symmetry form distribution in the inside of shell 1, and connecting rod 8 and shell 1 pass through and constitute revolution mechanic between connector 5 and the piston body 6, can make shell 1 rotate round piston body 6 through the revolution mechanic on the device for the device is more convenient when carrying out roundness detection.
In this embodiment, as shown in fig. 1-4, in order to further improve the adjustability of the device, a screw 14 is mounted on the internal thread of the connecting plate 13, a stop lever 15 is disposed in the connecting plate 13 in a penetrating manner, and a dial indicator 16 is mounted on the front end bearing of the screw 14; the dial indicator 16 forms a rotating structure through the limiting rod 15, the screw rod 14 and the connecting plate 13, the connecting plate 13 is located above the circular ring 2, the limiting rod 15 and the screw rod 14 are parallel to each other, and the position of the dial indicator 16 can be adjusted by utilizing the limiting rod 15 and the screw rod 14 on the device, so that the device can be suitable for the piston bodies 6 with different sizes.
The specific working process of the invention is as follows:
(1) Clamping the piston body 6
Firstly, in the process of clamping the piston body 6, the grip 12 can be pressed and then the ring 2 can be rotated, the pull rope 3 is pulled through the ring 2, so that the pull rope 3 pulls the compression bar 4 in the sliding groove 10, the piston body 6 at all positions in the device can be simultaneously moved outwards, finally the piston body 6 is placed in the middle part of the shell 1, after the ring 2 is loosened, the piston body 6 is stably fixed, and at the moment, the piston body 6 is positioned in the middle part of the shell 1 under the action of the second spring 11, so that the clamping work is completed.
(2) Adjustment of dial gauge 16 according to the size of piston body 6
After preparation, adjust the amesdial 16, adjust the work to the front and back position of amesdial 16 through rotating amesdial 16 surface bearing mounted screw rod 14, in the in-process of adjusting, because be parallel to each other between screw rod 14 and the gag lever post 15, gag lever post 15 runs through in the inside of connecting plate 13 moreover, consequently at the in-process of rotating screw rod 14, amesdial 16 can reciprocate to carry out the regulation and the fixed work of position to amesdial 16.
(3) Roundness testing was performed
When testing, the connecting rod 8 inside the connecting shell 17 is pulled through the first spring 7, so that the rubber pad 9 compresses the piston body 6, the piston body 6 can be ensured to be compressed, the whole shell 1 can be rotated at the moment, the connector 5 can rotate on the surface of the piston body 6, the change of the scale of the dial indicator 16 is observed at the moment, and testing work is performed.
To sum up: the device has the advantages that when in use, the device can prop against the piston body 6 through the connector 5 at the front end of the compression bar 4, so that the device can stably clamp the piston, meanwhile, the piston body 6 can be positioned at the middle part of the device through the second spring 11 in the device, the accuracy in the follow-up roundness detection is ensured, the defects that the existing roundness detection devices are low in accuracy and poor in adjustability in detection are overcome, and the device has the advantage of stronger adaptability;
the device can carry out more convenient roundness detection work through the rotating structure on the device in the in-process of using, when carrying out roundness detection work, can also adjust the position of amesdial 16 according to piston body 6 of equidimension, solved the current defect that some detection device practicality is relatively poor, have the advantage that the result of use is better.
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. Piston roundness testing arrangement based on automatic feeding mechanism, including shell (1), ring (2), stay cord (3) and depression bar (4), its characterized in that, ring (2) is installed in the outside rotation of shell (1), and inside all around of shell (1) is fixed and is provided with second spring (11), and spout (10) that are used for placing depression bar (4) are offered to the inside of shell (1), the fixed surface of ring (2) is connected with stay cord (3), and the end fixedly connected with depression bar (4) of stay cord (3), depression bar (4) and second spring (11) fixed connection, connector (5) are installed in the front end rotation of depression bar (4), be provided with piston body (6) between connector (5) and adjacent connector (5);
the connecting device is characterized in that a connecting shell (17) is arranged on the outer side of the shell (1), a first spring (7) is fixedly connected inside the connecting shell (17), a grip (12) is fixedly connected to the surface of the shell (1), and a connecting plate (13) is fixedly connected to the side surface of the shell (1);
a connecting rod (8) is fixedly connected above the first spring (7), a rubber cushion (9) is rotatably arranged on the side surface of the connecting rod (8), an elastic structure is formed between the connecting rod (8) and the connecting shell (17) through the first spring (7), and the lower surface of the rubber cushion (9) is mutually attached to the upper surface of the piston body (6);
a screw (14) is arranged in the internal thread of the connecting plate (13), a limit rod (15) is arranged in the connecting plate (13) in a penetrating manner, and a dial indicator (16) is arranged at the front end bearing of the screw (14);
the dial indicator (16) forms a rotating structure between the limiting rod (15) and the screw rod (14) and the connecting plate (13), the connecting plate (13) is positioned above the circular ring (2), and the limiting rod (15) and the screw rod (14) are parallel to each other;
step one, clamping the piston body (6)
Firstly, in the process of clamping the piston body (6), the grip (12) can be pressed and then the ring (2) can be rotated, the pull rope (3) is pulled by the ring (2), so that the pull rope (3) pulls the compression bar (4) in the sliding groove (10), the piston body (6) in each position in the device can be simultaneously moved outwards, finally the piston body (6) is placed in the middle part of the shell (1), after the ring (2) is loosened, the piston body (6) is stably fixed, and at the moment, the piston body (6) is positioned in the middle part of the shell (1) under the action of the second spring (11), so that the clamping work is completed;
step two, adjusting the dial indicator (16) according to the size of the piston body (6)
After preparation, the dial indicator (16) is adjusted, the front and back positions of the dial indicator (16) are adjusted by rotating a screw (14) arranged on the surface of the dial indicator (16), and in the adjusting process, the screw (14) and a limiting rod (15) are parallel to each other, and the limiting rod (15) penetrates through the connecting plate (13), so that the dial indicator (16) can move back and forth in the rotating process of the screw (14), and the position of the dial indicator (16) is adjusted and fixed;
step three, roundness testing is carried out
When testing, through connecting rod (8) inside first spring (7) pulling connection shell (17) for cushion (9) compress tightly piston body (6), thereby guarantee that piston body (6) can be compressed tightly, can wholly through rotating shell (1) this moment, make connector (5) at the surface rotation of piston body (6), observe the scale change of amesdial (16) this moment, thereby test work.
2. The piston roundness testing device based on the automatic feeding mechanism according to claim 1, wherein the compression bar (4) forms an elastic structure with the shell (1) through a second spring (11), the central axis of the second spring (11) and the central axis of the compression bar (4) are on the same straight line, and the outer wall of the compression bar (4) is attached to the inner wall of the chute (10).
3. The piston roundness testing device based on the automatic feeding mechanism according to claim 1, wherein the connecting rods (8) are distributed in a central symmetry shape in the shell (1), and the connecting rods (8) and the shell (1) form a rotating structure between the connecting heads (5) and the piston body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110250645.0A CN113074614B (en) | 2021-03-08 | 2021-03-08 | Piston roundness testing device based on automatic feeding mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110250645.0A CN113074614B (en) | 2021-03-08 | 2021-03-08 | Piston roundness testing device based on automatic feeding mechanism |
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| CN113074614A CN113074614A (en) | 2021-07-06 |
| CN113074614B true CN113074614B (en) | 2023-10-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113607115B (en) * | 2021-07-27 | 2024-04-12 | 中石化石油机械股份有限公司沙市钢管分公司 | Roundness detection device |
| CN117781815B (en) * | 2024-02-28 | 2024-05-17 | 潍坊市计量测试所 | Automatic feeding measuring device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6494516B1 (en) * | 2001-08-21 | 2002-12-17 | Millo Bertini | Gripper device |
| CN101852583A (en) * | 2009-04-01 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Circularity detection device |
| JP2011017573A (en) * | 2009-07-08 | 2011-01-27 | Mitsutoyo Corp | Surface texture measurement apparatus and roundness measuring apparatus |
| CN106524876A (en) * | 2016-10-28 | 2017-03-22 | 安徽省恒泰动力科技有限公司 | Piston circularity testing apparatus and component thereof |
| CN106705801A (en) * | 2017-01-06 | 2017-05-24 | 合肥工业大学 | Three-jaw centering internal diameter measurement device and measurement method |
| WO2017084617A1 (en) * | 2015-11-20 | 2017-05-26 | 中车戚墅堰机车车辆工艺研究所有限公司 | Cylinder and brake clamp device including same |
| CN106969688A (en) * | 2017-04-24 | 2017-07-21 | 浙江机电职业技术学院 | A kind of piston ring detecting tool |
| CN109579669A (en) * | 2018-11-16 | 2019-04-05 | 浙江来福谐波传动股份有限公司 | A kind of outer circularity batch detecting device and detection method of harmonic speed reducer steel wheel |
| JP2019132772A (en) * | 2018-02-01 | 2019-08-08 | 株式会社東京精密 | Detector and roundness measuring machine |
| CN211565543U (en) * | 2020-02-25 | 2020-09-25 | 福州专志信息技术有限公司 | Tilting angle clamping and positioning tool for polishing cambered surface of motor sheet metal shell |
| CN111790777A (en) * | 2020-07-13 | 2020-10-20 | 青岛信康发动机配件有限公司 | Roundness correction device for circular ring type deformation part |
| CN112405415A (en) * | 2020-10-30 | 2021-02-26 | 吴兰 | Mounting equipment is used in automobile parts processing |
-
2021
- 2021-03-08 CN CN202110250645.0A patent/CN113074614B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6494516B1 (en) * | 2001-08-21 | 2002-12-17 | Millo Bertini | Gripper device |
| CN101852583A (en) * | 2009-04-01 | 2010-10-06 | 鸿富锦精密工业（深圳）有限公司 | Circularity detection device |
| JP2011017573A (en) * | 2009-07-08 | 2011-01-27 | Mitsutoyo Corp | Surface texture measurement apparatus and roundness measuring apparatus |
| WO2017084617A1 (en) * | 2015-11-20 | 2017-05-26 | 中车戚墅堰机车车辆工艺研究所有限公司 | Cylinder and brake clamp device including same |
| CN106524876A (en) * | 2016-10-28 | 2017-03-22 | 安徽省恒泰动力科技有限公司 | Piston circularity testing apparatus and component thereof |
| CN106705801A (en) * | 2017-01-06 | 2017-05-24 | 合肥工业大学 | Three-jaw centering internal diameter measurement device and measurement method |
| CN106969688A (en) * | 2017-04-24 | 2017-07-21 | 浙江机电职业技术学院 | A kind of piston ring detecting tool |
| JP2019132772A (en) * | 2018-02-01 | 2019-08-08 | 株式会社東京精密 | Detector and roundness measuring machine |
| CN109579669A (en) * | 2018-11-16 | 2019-04-05 | 浙江来福谐波传动股份有限公司 | A kind of outer circularity batch detecting device and detection method of harmonic speed reducer steel wheel |
| CN211565543U (en) * | 2020-02-25 | 2020-09-25 | 福州专志信息技术有限公司 | Tilting angle clamping and positioning tool for polishing cambered surface of motor sheet metal shell |
| CN111790777A (en) * | 2020-07-13 | 2020-10-20 | 青岛信康发动机配件有限公司 | Roundness correction device for circular ring type deformation part |
| CN112405415A (en) * | 2020-10-30 | 2021-02-26 | 吴兰 | Mounting equipment is used in automobile parts processing |
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| CN113074614A (en) | 2021-07-06 |
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