CN115091265B - Piston ring deviation detection equipment and detection method - Google Patents
Piston ring deviation detection equipment and detection method Download PDFInfo
- Publication number
- CN115091265B CN115091265B CN202210642419.1A CN202210642419A CN115091265B CN 115091265 B CN115091265 B CN 115091265B CN 202210642419 A CN202210642419 A CN 202210642419A CN 115091265 B CN115091265 B CN 115091265B
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- piston ring
- circulating
- industrial camera
- mandrel
- detecting apparatus
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 15
- 230000002950 deficient Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses piston ring deviation detection equipment, which comprises a driving assembly, an industrial camera and a displacement assembly, wherein the driving assembly is used for driving the industrial camera to move along with the displacement assembly; the drive assembly includes a spindle; the outer wall of the mandrel is sleeved with a plurality of groups of circulating sheets, and the circulating sheets are driven to rotate around the axial direction; the circulating tablet comprises a plurality of tablet rings; the opening positions of the sheet rings in the same group are kept consistent, and the opening positions of the sheet rings in two adjacent groups are staggered; the industrial camera slides in a direction parallel to the axis by the displacement assembly. The invention can calculate the ring height of the single-group circulating sheet by the cooperation of the devices without manual measurement, thereby achieving the purpose of accurate measurement and further achieving the purpose of rapid measurement.
Description
Technical Field
The invention relates to the field of piston rings, in particular to piston ring deviation detection equipment and a detection method.
Background
In the piston ring processing process, in order to reduce the error of the piston ring, the ring height of the piston ring is measured after each section of working procedure is finished, so that the piston ring is prevented from being scrapped due to overlarge ring height error. The existing measuring mode is generally carried out by manual work through vernier caliper, however, after a large number of piston rings are measured by manual work, the situations such as fatigue and the like are inevitably caused, and further the situations of inaccurate measurement occur, so that normal processing of the next procedure is affected, for example, when a large error exists in the size of the piston ring, the next procedure processes the piston ring according to the position marked by the error size, and the situations such as scrapping of the piston ring are caused.
Therefore, a piston ring deviation detecting apparatus is required to solve the above-described problems.
Disclosure of Invention
The invention aims to provide a piston ring deviation detection device, which is used for reducing the measurement error of a piston ring so as to provide the processing quality of the piston ring.
In order to solve the technical problems, the invention provides piston ring deviation detection equipment, which comprises a driving assembly, an industrial camera and a displacement assembly; the drive assembly includes a spindle; the outer wall of the mandrel is sleeved with a plurality of groups of circulating sheets, and the circulating sheets are driven to rotate around the axial direction; the circulating tablet comprises a plurality of tablet rings; the opening positions of the sheet rings in the same group are kept consistent, and the opening positions of the sheet rings in two adjacent groups are staggered; the industrial camera slides in a direction parallel to the axis by the displacement assembly.
Further, the driving assembly comprises two pressing plates and a threaded ring; the two pressing plates are sleeved on the outer wall of the mandrel, so that a clamping cavity for locking a plurality of groups of circulating sheets is formed between the two pressing plates; the thread rings are arranged on one sides, away from each other, of the two pressing plates; the threaded ring is in threaded connection with the mandrel.
Further, the driving assembly further comprises a driving motor; the output end of the driving motor is connected with the mandrel.
Further, the displacement assembly comprises a sliding rail and a threaded rod; the industrial camera is arranged on the sliding rail through a sliding block; the threaded rod is rotatably arranged inside the sliding rail and is in threaded connection with the sliding block.
Further, the displacement assembly further comprises a displacement motor; and the output end of the displacement motor is connected with the threaded rod.
A detection method of piston ring deviation detection equipment comprises the following technical steps:
measuring the circulation distance between the attaching position and the initial position of the adjacent circulation piece;
calculating the difference value of the adjacent two cycle distances;
Judging whether each group of circulating sheets has deviation according to the difference value;
And when no deviation exists in each group of circulating sheets, transmitting the position information of each group of circulating sheets into lathe processing equipment in the next working procedure.
Further, the method for measuring the cycle distance comprises the following steps:
Sequentially arranging a plurality of groups of circulating sheets on the mandrel;
the opening positions of two adjacent groups of circulating sheets are arranged in a staggered way;
the industrial camera is driven to sequentially measure the distance between the fitting position of the opening and the initial position along the direction parallel to the axis.
Further, the method for measuring the cycle distance further comprises the following steps:
the mandrel is driven to rotate by the driving motor, so that the fitting position of the opening faces towards the industrial camera.
Further, the position information of each group of circulating sheets is transmitted to the next lathe processing equipment through the DMC data transmission system.
Compared with the prior art, the invention has at least the following beneficial effects:
According to the invention, the industrial camera is arranged, the circulation distance between the joint of the plurality of two adjacent groups of circulation pieces and the initial position of the industrial camera is measured, and the ring height of a single group of circulation pieces can be calculated by calculating the difference value of the numerical values of the two circulation distances, so that the purpose of accurate measurement is achieved.
In addition, as the opening positions of the sheet rings in the same group are kept consistent, and the opening positions of a plurality of groups of circulating sheets are set to be staggered, when an industrial camera is in measurement, only the circulating distance between the fitting position of the opening and the initial position of the industrial camera is required to be measured, so that the measurement difficulty is effectively reduced, and the aim of quick measurement is fulfilled;
And the position information of the circulating sheet without deviation is sent to processing equipment in the next step, so that lathe equipment controls the moving cutter bar to a designated position according to the position information, the deviation is effectively reduced, and the aim of improving the processing quality is fulfilled.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a piston ring deviation detecting apparatus according to the present invention;
FIG. 2 is a partial front view of a mandrel in the piston ring deflection detection apparatus of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a flow chart of a detection method of the piston ring deviation detection device of the present invention;
Fig. 5 is a flowchart of a method for measuring a cycle distance in the detecting method of the piston ring deviation detecting apparatus of the present invention.
Detailed Description
The piston ring deviation detecting apparatus of the present invention will be described in more detail below in conjunction with the schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that the present invention described herein may be modified by those skilled in the art, while still achieving the advantageous effects of the present invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.
The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
Example 1
As shown in fig. 1 and 2, an embodiment of the present invention proposes a piston ring deviation detecting apparatus including a driving assembly 1, an industrial camera 2, and a displacement assembly 3.
The driving assembly 1 comprises a mandrel 11, and a plurality of groups of circulating sheets are sleeved on the outer wall of the mandrel 11 to drive the circulating sheets to rotate around the axial direction (in the figure, rotate around the X axis, namely Rx).
The circulating sheet comprises a plurality of sheet rings 4, the opening positions of the sheet rings 4 positioned in the same group are kept consistent, and the opening positions of the sheet rings 4 positioned in two adjacent groups are arranged in a staggered mode.
The industrial camera 2 is slid by the displacement assembly 3 in a direction parallel to the axis (as in the figure parallel to the X-axis direction).
In this embodiment, the distance between the laminating position (i.e. the arrow position in fig. 3) of a plurality of two adjacent groups of circulation pieces and the initial position is measured by the industrial camera 2, a plurality of circulation intervals are obtained, the two adjacent circulation intervals are subtracted, the ring height of a single group of circulation pieces can be obtained, manual measurement is not needed, the measurement of the ring height of the circulation pieces can be completed, and the measurement accuracy is effectively improved.
Wherein the initial position is the initial movement position of the industrial camera 2.
In addition, the openings of the sheet rings 4 in the same group are kept consistent, and the opening positions of the sheet rings 4 in two adjacent groups are set to be staggered, so that two adjacent groups of circulating sheets are conveniently distinguished, the industrial camera 2 can rapidly identify the boundary line between two adjacent circulating sheets (namely the joint positions of the two adjacent circulating sheets), as indicated by the arrow in fig. 3, so that the circulating distance can be rapidly measured, and the aim of improving the measuring speed is fulfilled.
In this embodiment, a specific driving assembly 1 is provided to complete the installation and rotation of multiple sets of circulation pieces.
The drive assembly 1 comprises two pressure plates 12 and a threaded ring 13.
The two pressing plates 12 are sleeved on the outer wall of the mandrel 11, so that a clamping cavity for locking a plurality of groups of circulating sheets is formed between the two pressing plates 12.
The two pressing plates 12 are arranged on one side far away from each other, and the threaded ring 13 is in threaded connection with the mandrel 11.
The driving assembly 1 further comprises a driving motor 14, and an output end of the driving motor 14 is connected with the mandrel 11.
The plurality of sets of circulation pieces are clamped by the two pressing plates 12 and rotated by the driving motor 14 so that the openings of the circulation pieces face the industrial camera 2, thereby facilitating the measurement of the industrial camera 2.
In a further embodiment, a specific displacement assembly 3 is provided to facilitate the measurement of the circulating sheet by the driving industrial camera 2.
The displacement assembly 3 comprises a sliding rail 31 and a threaded rod 32.
The industrial camera 2 is arranged on the sliding rail 31 through a sliding block, and the threaded rod 32 is rotatably arranged inside the sliding rail 31 and is in threaded connection with the sliding block.
The displacement assembly 3 further comprises a displacement motor 33; the output of the displacement motor 33 is connected to the threaded rod 32.
The threaded rod 32 is driven to rotate by the displacement motor 33 to complete the sliding of the industrial camera 2 along the X-axis direction.
The displacement assembly 3 may also be of other types of construction, for example in the form of a drive motor in combination with a track or the like, which can be flexibly set by a person skilled in the art on the basis of the idea of the invention.
Wherein the initial position of the industrial camera 2 can photograph the pressing plate 12 at one end and the final position of the industrial camera 2 can photograph the pressing plate 12 at the other end, thereby ensuring that the circulation piece between both pressing plates can be photographed.
Referring to fig. 2, taking a common processing variety as an example, six sets of circulation pieces are provided, each set of circulation pieces includes ten piece rings 4, the distances between the circulation pieces and an initial position are measured by an industrial camera 2 and respectively marked as S1, S2, S3, S4, S5 and S6, and then the ring heights of the first circulation piece, the second circulation piece, the third circulation piece, the fourth circulation piece, the fifth circulation piece and the sixth circulation piece are sequentially S1-L, S2-S1, S3-S2, S4-S3, S5-S4 and S6-S5, and whether the values are within a standard circulation piece size range (for example, the ring height h=3.35-3.36 mm of the conventional standard piece ring 4, that is, the ring height range of the single set of circulation pieces should be 33.5-33.6 mm) is determined, so as to prevent bad products from entering the next step.
Where L is the thickness of platen 12.
In addition, it should be specifically noted that the deviation value of the single set of circulating plates can be adjusted according to the actual requirement, and the method is not limited to the above range.
Through the steps, when all the sheet rings 4 are in the standard range, the data can be transmitted to the next processing procedure through the DMC data transmission system, so that the next processing equipment can control the cutter bar to move to the designated position according to the position information, the deviation is reduced, and the processing quality is improved.
Example two
Referring to fig. 4 and 5, the present embodiment provides a method for detecting a piston ring deviation by using a piston ring deviation detecting apparatus according to the first embodiment, so as to assist the piston ring deviation detecting apparatus in measuring. A detection method of piston ring deviation detection equipment comprises the following technical steps:
S1, measuring the circulation distance between the lamination position and the initial position of the adjacent circulation piece;
s2, calculating a difference value of two adjacent cycle distances;
s3, judging whether each group of circulating sheets have deviation according to the difference value;
and S4, when no deviation exists in each group of circulating sheets, transmitting the position information of each group of circulating sheets into the lathe processing equipment of the next procedure, and specifically, transmitting the position information of each group of circulating sheets into the lathe processing equipment of the next procedure through the DMC data transmission system.
In this embodiment, the ring height of the single-group circulation piece is calculated according to the circulation intervals by measuring the plurality of circulation intervals, the ring height of the single-group circulation piece is calculated, and the ring height of the single-group circulation piece is compared with the ring height of the standard single-group circulation piece, so that whether defective products occur or not is judged, if no defective products occur, parameters are transmitted to the next process, the next process is convenient to move according to the position information, deviation is effectively reduced, and the purpose of improving the product quality is achieved.
In order to facilitate the measurement of the cycle distance, the present embodiment provides a method for measuring the cycle distance, which specifically includes the following steps:
S101, sequentially arranging a plurality of groups of circulating sheets on a mandrel 11, namely sequentially clamping the plurality of groups of circulating sheets on the outer wall of the mandrel 11 through a pressing plate 12 and a threaded ring 13;
S102, manually adjusting the opening positions of the single-group circulation pieces to be consistent, and arranging the opening positions of the two adjacent groups of circulation pieces in a staggered manner, so that a dividing line (the position shown by an arrow in FIG. 3) is formed between the two groups of circulation pieces, and the measuring positions of the circulation pieces are conveniently observed, so that the distance at the initial position is conveniently measured, and the measuring difficulty is effectively reduced;
S103, driving the mandrel 11 to rotate through the driving motor 14 to enable the opening attaching position to face the industrial camera 2, so that the condition that the industrial camera 2 cannot detect due to the opening position is effectively avoided;
And S104, driving the industrial camera 2 to slide along a direction parallel to the axis and sequentially measuring the distance between the fitting position of the opening and the initial position.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The piston ring deviation detection device is characterized by comprising a driving assembly, an industrial camera and a displacement assembly;
The drive assembly includes a spindle;
The outer wall of the mandrel is sleeved with a plurality of groups of circulating sheets, and the circulating sheets are driven to rotate around the axial direction;
The circulating tablet comprises a plurality of tablet rings;
the opening positions of the sheet rings in the same group are kept consistent, and the opening positions of the sheet rings in two adjacent groups are staggered;
the industrial camera slides in a direction parallel to the axis by the displacement assembly.
2. The piston ring deviation detecting apparatus of claim 1, wherein the driving assembly includes two pressing plates and a threaded ring;
the two pressing plates are sleeved on the outer wall of the mandrel, so that a clamping cavity for locking a plurality of groups of circulating sheets is formed between the two pressing plates;
The thread rings are arranged on one sides, away from each other, of the two pressing plates;
The threaded ring is in threaded connection with the mandrel.
3. The piston ring deviation detecting apparatus of claim 2, wherein the driving assembly further comprises a driving motor;
the output end of the driving motor is connected with the mandrel.
4. The piston ring deviation detecting apparatus of claim 1, wherein the displacement assembly comprises a slide rail and a threaded rod;
The industrial camera is arranged on the sliding rail through a sliding block;
the threaded rod is rotatably arranged inside the sliding rail and is in threaded connection with the sliding block.
5. The piston ring deviation detecting apparatus of claim 4, wherein said displacement assembly further comprises a displacement motor;
and the output end of the displacement motor is connected with the threaded rod.
6. The piston ring deviation detecting apparatus of claim 4, wherein the industrial camera side wall and the outermost circulation piece outer wall are located in the same vertical plane when the industrial camera is moved to be in contact with the slide rail inner wall.
7. The detection method of the piston ring deviation detection equipment is characterized by comprising the following technical steps:
measuring the circulation distance between the attaching position and the initial position of the adjacent circulation piece;
calculating the difference value of the adjacent two cycle distances;
Judging whether each group of circulating sheets has deviation according to the difference value;
And when no deviation exists in each group of circulating sheets, transmitting the position information of each group of circulating sheets into lathe processing equipment in the next working procedure.
8. The method for detecting a piston ring deviation detecting apparatus according to claim 7, wherein the method for measuring the cycle pitch comprises the steps of:
Sequentially arranging a plurality of groups of circulating sheets on the mandrel;
the opening positions of two adjacent groups of circulating sheets are arranged in a staggered way;
the industrial camera is driven to sequentially measure the distance between the fitting position of the opening and the initial position along the direction parallel to the axis.
9. The method for detecting a piston ring deviation detecting apparatus according to claim 8, wherein the method for measuring a cycle distance further comprises the steps of:
the mandrel is driven to rotate by the driving motor, so that the fitting position of the opening faces towards the industrial camera.
10. The method for detecting a piston ring deviation detecting apparatus according to claim 7, wherein the positional information of each set of the circulating pieces is transmitted to a next-process lathe processing apparatus through a DMC data transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642419.1A CN115091265B (en) | 2022-06-08 | 2022-06-08 | Piston ring deviation detection equipment and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642419.1A CN115091265B (en) | 2022-06-08 | 2022-06-08 | Piston ring deviation detection equipment and detection method |
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| Publication Number | Publication Date |
|---|---|
| CN115091265A CN115091265A (en) | 2022-09-23 |
| CN115091265B true CN115091265B (en) | 2024-05-28 |
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| CN202210642419.1A Active CN115091265B (en) | 2022-06-08 | 2022-06-08 | Piston ring deviation detection equipment and detection method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115091265A (en) | 2022-09-23 |
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