CN115091265A - Piston ring deviation detection equipment and detection method - Google Patents
Piston ring deviation detection equipment and detection method Download PDFInfo
- Publication number
- CN115091265A CN115091265A CN202210642419.1A CN202210642419A CN115091265A CN 115091265 A CN115091265 A CN 115091265A CN 202210642419 A CN202210642419 A CN 202210642419A CN 115091265 A CN115091265 A CN 115091265A
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- China
- Prior art keywords
- piston ring
- industrial camera
- circulating
- mandrel
- groups
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Classifications
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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
- 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
Abstract
The invention discloses a piston ring deviation detection device, which comprises a driving assembly, an industrial camera and a displacement assembly, wherein the driving assembly is used for driving the industrial camera to rotate; the drive assembly comprises a mandrel; the outer wall of the mandrel is sleeved with a plurality of groups of circulating sheets to drive the plurality of groups of circulating sheets to rotate around the axial direction; the circulating sheet comprises a plurality of sheet 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 arranged in a staggered manner; the industrial camera is slid in a direction parallel to the axis by the displacement assembly. By means of the matching of the devices, the ring height of the single group of circulating sheets can be calculated without manual measurement, the purpose of accurate measurement is achieved, and in addition, the purpose of rapid measurement can be achieved.
Description
Technical Field
The invention relates to the field of piston rings, in particular to piston ring deviation detection equipment and a piston ring deviation detection method.
Background
In the process of machining the piston ring, 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 error of the ring height. The existing measuring mode is generally measured by manual work through a vernier caliper, however, after a large number of piston rings are measured manually, the situations of fatigue and the like are avoided, and further the situation of inaccurate measurement is caused, so that the normal processing of the next step of the process is influenced.
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 improve the processing quality of the piston ring.
In order to solve the above technical problem, the present invention provides a piston ring deviation detecting apparatus, which includes a driving assembly, an industrial camera and a displacement assembly; the drive assembly comprises a mandrel; the outer wall of the mandrel is sleeved with a plurality of groups of circulating sheets to drive the plurality of groups of circulating sheets to rotate around the axial direction; the circulating sheet comprises a plurality of sheet 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 arranged in a staggered manner; the industrial camera is slid in a direction parallel to the axis by the displacement assembly.
Further, the driving assembly comprises two pressure plates and a threaded ring; the two pressure 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 pressure plates; the threaded ring is arranged on one side, far away from each other, of each of the two pressing plates; the threaded ring is in threaded connection with the mandrel.
Further, the driving assembly further comprises a driving motor; and the output end of the driving motor is connected with the mandrel.
Further, 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 rotates to be installed inside the slide rail, and with sliding block threaded connection.
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 a piston ring deviation detection device comprises the following technical steps:
measuring the cyclic distance between the joint position and the initial position of the adjacent cyclic sheets;
calculating the difference value of two adjacent cyclic intervals;
judging whether each group of circulating sheets has deviation or not 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 to the next-process lathe machining equipment.
Further, the method for measuring the cyclic spacing comprises the following steps:
sequentially arranging a plurality of groups of circulating sheets on a mandrel;
the opening positions of two adjacent groups of circulating sheets are arranged in a staggered manner;
the industrial camera is driven in a direction parallel to the axis and sequentially measures the distance from the initial position to the opening attachment position.
Further, the method for measuring the cyclic interval further comprises the following steps:
the mandrel is driven to rotate by the driving motor, so that the opening attaching position faces towards the industrial camera.
Further, the position information of each group of the circulation pieces is transmitted to next-process lathe machining equipment through a DMC data transmission system.
Compared with the prior art, the invention at least has the following beneficial effects:
according to the invention, the industrial camera is arranged, the circulating distances between the joint parts of the two adjacent circulating sheets and the initial position of the industrial camera are measured, and the difference value of the numerical values of the two circulating distances is calculated, so that the ring height of the single circulating sheet group can be calculated, and the purpose of relatively accurate measurement is achieved.
In addition, because the opening positions of the sheet rings in the same group are kept consistent, and the opening positions of the plurality of groups of circulating sheets are set to be staggered, when the industrial camera is used for measurement, only the circulating distance between the opening attaching position and the initial position of the industrial camera needs to be measured, so that the measurement difficulty is effectively reduced, and the purpose of rapid measurement is achieved;
and the position information of the circulating sheet without deviation is sent to the processing equipment in the next process, so that the lathe equipment controls the moving cutter bar to the specified position according to the position information, the deviation is effectively reduced, and the purpose of improving the processing quality is achieved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a piston ring deflection detecting apparatus according to the present invention;
FIG. 2 is a partial front view of a mandrel in the piston ring deflection detecting apparatus of the present invention;
FIG. 3 is an enlarged view of the area A of FIG. 2 according to the present invention;
FIG. 4 is a flow chart of a method for detecting deviation of a piston ring according to the present invention;
fig. 5 is a flowchart of a method for measuring a cycle distance in a method for measuring a deviation of a piston ring according to the present invention.
Detailed Description
The piston ring deflection detecting apparatus of the present invention will be described in more detail with reference to the accompanying schematic drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art can modify the invention described herein while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The invention is more particularly described in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It should be noted that the drawings are in simplified form and are not to precise scale, which is provided for convenience and clarity in describing the embodiments of the present invention.
Example one
As shown in fig. 1 and 2, an embodiment of the present invention provides 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, wherein a plurality of groups of circulating sheets are sleeved on the outer wall of the mandrel 11 to drive the plurality of groups of circulating sheets to rotate around the axial direction (such as rotation around an X axis in the figure, namely Rx).
The circulating sheet comprises a plurality of sheet rings 4, the opening positions 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 arranged in a staggered mode.
The industrial camera 2 is slid in a direction parallel to the axis (parallel to the X-axis direction in the figure) by the displacement assembly 3.
In this embodiment, the industrial camera 2 measures the distance between the attachment position (i.e., the arrow position in fig. 3) of the two adjacent sets of the circulation pieces and the initial position to obtain a plurality of circulation intervals, and the two adjacent circulation intervals are subtracted from each other to obtain the height of the single set of the circulation pieces.
Wherein the initial position is an initial motion 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 distinguished, and the industrial camera 2 can quickly identify the boundary line between two adjacent circulating sheets (namely the joint position of the two adjacent circulating sheets), such as the position indicated by an arrow in fig. 3, so as to quickly measure the circulating distance and achieve the purpose of improving the measuring speed.
In this embodiment, a specific driving assembly 1 is provided to complete the installation and rotation of the plurality of sets of circulating sheets.
The drive assembly 1 comprises two pressure plates 12 and a threaded ring 13.
The two pressure 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 pressure plates 12.
The threaded ring 13 is arranged on one side, far away from each other, of the two pressing plates 12, 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 groups of the 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 endless sheet by driving the industrial camera 2.
The displacement assembly 3 comprises a slide 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 end of the displacement motor 33 is connected with 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 cooperation with a track, etc., and may be flexibly set by a person skilled in the art on the basis of the idea of the present invention.
The initial position of the industrial camera 2 can shoot the pressing plate 12 at one end, and the final position of the industrial camera 2 can shoot the pressing plate 12 at the other end, so that the circulating sheet between the two pressing plates can be shot.
Referring to fig. 2, taking a common processing variety as an example, six sets of circulation slices are provided, each set of circulation slices includes ten loops 4, the distances between the circulation slices and the initial position are measured by the industrial camera 2 and are respectively denoted as S1, S2, S3, S4, S5 and S6, and the loop heights of the first circulation slice, the second circulation slice, the third circulation slice, the fourth circulation slice, the fifth circulation slice and the sixth circulation slice are sequentially denoted as S1-L, S2-S1, S3-S2, S4-S3, S5-S4 and S6-S5, and it is determined whether the values are within a standard loop size range (for example, the loop height H of the conventional standard loop 4 is 3.35-3.36 mm, that is, the loop height range of a single set of circulation slices should be 33.5-33.6 mm), so as to prevent a defective product from entering the next process.
Wherein L is the thickness of the platen 12.
In addition, it should be noted that, the deviation value of a single set of circular sheets can be adjusted accordingly according to actual requirements, and is not limited to the above range.
And 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 controls the cutter bar to be moved to the specified 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 detecting apparatus based on the first embodiment to assist the piston ring deviation detecting apparatus to perform measurement. A detection method of a piston ring deviation detection device comprises the following technical steps:
s1, measuring the cycle distance between the joint position and the initial position of the adjacent cycle pieces;
s2, calculating the difference between two adjacent cyclic intervals;
s3, judging whether each group of circulating sheets has deviation according to the difference;
and S4, when no deviation exists in each group of the circulating sheets, transmitting the position information of each group of the circulating sheets to next-process lathing equipment, specifically, transmitting the position information of each group of the circulating sheets to the next-process lathing equipment through a DMC data transmission system.
In the embodiment, the plurality of circulation intervals are measured, the ring height of the single group of circulation pieces is calculated according to the circulation intervals, the ring height of the single group of circulation pieces is calculated, whether a defective product exists is judged by comparing the ring height of the single group of circulation pieces with the ring height of the standard single group of circulation pieces, and if the defective product does not exist, the parameters are transmitted to the next process, so that the next process can move conveniently according to the position information, the deviation is effectively reduced, and the purpose of improving the product quality is achieved.
In order to measure the cyclic interval, the present embodiment provides a method for measuring the cyclic interval, which 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 a single group of circulating sheets to be consistent, and arranging the opening positions of two adjacent groups of circulating sheets in a staggered manner, so that a boundary (as shown by an arrow in figure 3) is formed between the two groups of circulating sheets, the measuring position of the circulating sheet is conveniently observed, the distance between the two groups of circulating sheets at the initial position is conveniently measured, and the measuring difficulty is effectively reduced;
s103, the mandrel 11 is driven to rotate through the driving motor 14, so that the opening attaching position faces the industrial camera 2, and the situation that the industrial camera 2 cannot be detected due to the opening position is effectively avoided;
and S104, driving the industrial camera 2 to slide along the direction parallel to the axis and sequentially measuring the distance between the opening attaching position and the initial position.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A piston ring deviation detecting apparatus includes a driving assembly, an industrial camera, and a displacement assembly;
the drive assembly comprises a mandrel;
the outer wall of the mandrel is sleeved with a plurality of groups of circulating sheets to drive the plurality of groups of circulating sheets to rotate around the axial direction;
the circulating sheet comprises a plurality of sheet 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 arranged in a staggered manner;
the industrial camera is slid in a direction parallel to the axis by the displacement assembly.
2. The piston ring deflection sensing apparatus as set forth in claim 1, wherein said drive assembly includes two pressure plates and a threaded ring;
the two pressure 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 pressure plates;
the threaded ring is arranged on one side, far away from each other, of each of the two pressing plates;
the threaded ring is in threaded connection with the mandrel.
3. The piston ring deflection sensing apparatus as set forth in claim 2, wherein said drive assembly further includes a drive motor;
and the output end of the driving motor is connected with the mandrel.
4. The piston ring deflection sensing apparatus as set forth in claim 1, wherein said displacement assembly includes a slide rail and a threaded rod;
the industrial camera is arranged on the sliding rail through a sliding block;
the threaded rod rotates to be installed inside the slide rail, and with sliding block threaded connection.
5. The piston ring deflection sensing 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 runout detecting apparatus as set forth in claim 4, wherein the industrial camera side wall is located in the same vertical plane as the outermost outer wall of the endless sheet when the industrial camera is moved to engage the inner wall of the slide rail.
7. A detection method of a piston ring deviation detection device is characterized by comprising the following technical steps:
measuring the cyclic distance between the joint position and the initial position of the adjacent cyclic sheets;
calculating the difference value of two adjacent cyclic intervals;
judging whether each group of circulating sheets has deviation or not 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 to the next-process lathe machining equipment.
8. The detecting method of a piston ring deviation detecting apparatus as set forth in claim 7, wherein said measuring method of the cyclic pitch comprises the steps of:
sequentially arranging a plurality of groups of circulating sheets on a mandrel;
the opening positions of two adjacent groups of circulating sheets are arranged in a staggered manner;
the industrial camera is driven in a direction parallel to the axis and sequentially measures the distance from the initial position to the opening attachment position.
9. The detecting method of a piston ring deviation detecting apparatus as set forth in claim 8, wherein said measuring method of the cyclic pitch further comprises the steps of:
the mandrel is driven to rotate through the driving motor, so that the opening attaching position faces towards the industrial camera.
10. The method for detecting an apparatus for detecting deviation of piston rings according to claim 7, wherein the position information of each set of said circulation pieces is transmitted to the next process lathe processing apparatus through a DMC data transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642419.1A CN115091265A (en) | 2022-06-08 | 2022-06-08 | Piston ring deviation detection equipment and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210642419.1A CN115091265A (en) | 2022-06-08 | 2022-06-08 | Piston ring deviation detection equipment and detection method |
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| CN115091265A true CN115091265A (en) | 2022-09-23 |
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| CN202210642419.1A Pending CN115091265A (en) | 2022-06-08 | 2022-06-08 | Piston ring deviation detection equipment and detection method |
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