CN117773527A - Pre-assembling method of sealing ring pre-assembling machine - Google Patents
Pre-assembling method of sealing ring pre-assembling machine Download PDFInfo
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- CN117773527A CN117773527A CN202311750061.5A CN202311750061A CN117773527A CN 117773527 A CN117773527 A CN 117773527A CN 202311750061 A CN202311750061 A CN 202311750061A CN 117773527 A CN117773527 A CN 117773527A
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- 238000007789 sealing Methods 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000004364 calculation method Methods 0.000 claims abstract description 7
- 238000007781 pre-processing Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 46
- 238000012360 testing method Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 9
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- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 230000005856 abnormality Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
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- 230000001771 impaired effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
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Abstract
The invention relates to the field of rubber product assembly, and discloses a preassembling method of a sealing ring preassembling machine, which comprises the following steps: s1, identifying a pre-assembly position, and identifying an assembly position of a seal ring to be pre-assembled; s2, press fitting of the sealing ring to ensure tight installation of the sealing ring at the assembly position; s3, environment monitoring is carried out, and the surrounding environment of the sealing ring is monitored in real time; s4, monitoring the quality of the sealing ring in real time in the pre-assembly process; s5, performing emergency stop, and performing machine emergency stop under the condition of quality problems; s6, recording data, and recording key parameters of each production period. The step S1 comprises data acquisition, data preprocessing, position calculation and position feedback; and acquiring the data. By detecting the pre-assembled sealing ring of the sealing ring pre-assembly machine in real time, the negative influence of friction heat on the sealing ring can be detected, more sealing rings are prevented from being influenced by the friction heat, and the pre-assembly quality of the subsequent sealing rings is improved.
Description
Technical Field
The invention relates to the technical field of rubber product assembly, in particular to a preassembling method of a sealing ring preassembling machine.
Background
A seal ring pre-load is a device for automatically or semi-automatically pre-assembling a seal ring in industrial production, the seal ring is generally used for preventing liquid or gas from leaking between mechanical parts, and is generally mounted on bearings, valves, pistons and other rotating or moving mechanical parts, and the seal ring pre-load is generally provided with an automatic or semi-automatic function, so that manual operation can be reduced to some extent. By introducing automation, the preassembly speed can be increased and potential human error can be reduced.
However, under the long-time pre-loading of the sealing ring pre-loading machine, the sealing ring is contacted with other objects to generate friction force, the friction force can cause energy loss, heat is generated between contact surfaces, and the surface of the sealing ring is degraded due to the influence of the heat, so that the hardness and the strength of the sealing ring are reduced due to the degradation phenomenon, the surface flatness is reduced, the sealing performance of the sealing ring is reduced, and the aging speed of the sealing ring is accelerated.
Therefore, if the defect of the sealing ring cannot be found and treated in time, the service effect and the service life of the sealing ring are directly affected, and even serious accidents are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preassembling method of a sealing ring preassembling machine, which solves the problem that the deteriorated sealing ring is not found to influence the use effect of a processed device in time due to the degradation phenomenon of the sealing ring caused by friction heat.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a preassembly method of a seal ring preassembly machine, comprising the steps of:
s1, identifying a pre-assembly position, and identifying an assembly position of a seal ring to be pre-assembled;
s2, press fitting of the sealing ring to ensure tight installation of the sealing ring at the assembly position;
s3, environment monitoring is carried out, and the surrounding environment of the sealing ring is monitored in real time;
s4, monitoring the quality of the sealing ring in real time in the pre-assembly process;
s5, performing emergency stop, and performing machine emergency stop under the condition of quality problems;
s6, recording data, and recording key parameters of each production period.
Preferably, the step S1 includes data acquisition, data preprocessing, position calculation and position feedback;
the data acquisition: identifying the position and the direction of the sealing rubber ring by using one or more of an ultrasonic sensor and an image position sensor;
the data preprocessing: amplifying, denoising and filtering the acquired digital signals;
the position calculation: calculating the position of the target object by using the collected sensing data;
the position feedback: and feeding the calculated position information back to the system so as to execute corresponding control.
Preferably, the step S2 includes surface preparation, pre-installation test and auxiliary installation;
the surface preparation: the surface of the assembly position is kept clean, smooth and flat, so that the influence of the unevenness on the tightness of the sealing ring is avoided;
the pre-installation test: before formal assembly, performing a pre-installation test, placing the sealing ring in an assembly position, and ensuring the adaptation and tightness of the sealing ring;
the auxiliary installation: the sealing ring is mounted by using a specially designed tool, so that even applied force is ensured, and the sealing ring is prevented from being excessively stretched or deformed.
Preferably, the step S3 includes temperature detection and thermal radiation detection;
and (3) temperature detection: detecting the environmental temperature of the pre-assembly position of the sealing ring in real time;
and (3) heat radiation detection: a thermal image is generated of the environment using a thermal infrared imager.
Preferably, the step S4 includes size detection, flatness detection and assembly force detection;
the size detection: measuring the dimensions of the inner diameter, the outer diameter and the thickness of the sealing ring by using one or more of a micrometer or a laser range finder;
the flatness detection: observing whether the surface of the sealing ring has obvious defects, pollution or damage;
the assembly force detection: and testing the force required by the sealing ring during assembly.
Preferably, in the step S5, the detecting module, the emergency stop module and the resetting module are included;
the detection module is used for: monitoring the state of the machine in real time, and triggering an emergency stop module by the monitor once the abnormal condition is monitored;
the emergency stop module: rapidly cutting off the power supply of the machine;
the reset module: for restarting the machine after adjustment.
Preferably, the recording parameters in the step S6 include production speed, pressure, running time and working coordinates.
Preferably, a negative feedback connection is used between the quality detection and the emergency stop.
Preferably, the reset module is controlled by one or more of a touch screen and buttons.
Preferably, the data record is collected by an automated system.
The invention provides a preassembling method of a sealing ring preassembling machine. The beneficial effects are as follows:
1. according to the invention, through real-time detection of the surface flatness, the inner diameter thickness, the outer diameter thickness and the size of the seal ring preassembled by the seal ring preassembling machine, the negative influence of friction heat on the seal ring can be rapidly detected, more seal rings are prevented from being influenced by the friction heat under the starting of an emergency stop program, and the quality of the subsequent seal ring preassembling is improved.
2. According to the invention, through detecting the ambient temperature and heat radiation, friction heat accumulation can be effectively prevented, and the occurrence of the degradation phenomenon of the sealing ring is radically reduced.
3. The invention records the production speed, pressure, running time and working coordinate parameters of the periodical work of the sealing ring preassembling machine, and the parameters have key effects on maintaining the normal operation of the preassembling machine, improving the production efficiency and implementing preventive maintenance.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Examples:
the embodiment of the invention provides a preassembling method of a sealing ring preassembling machine, which comprises the following steps of:
s1, identifying a pre-assembly position, and identifying an assembly position of a seal ring to be pre-assembled;
s2, press fitting of the sealing ring to ensure tight installation of the sealing ring at the assembly position;
s3, environment monitoring is carried out, and the surrounding environment of the sealing ring is monitored in real time;
s4, monitoring the quality of the sealing ring in real time in the pre-assembly process;
s5, performing emergency stop, and performing machine emergency stop under the condition of quality problems;
s6, recording data, and recording key parameters of each production period.
Specifically, the ultrasonic sensor and the image position sensor are adopted to accurately identify the assembly position of the sealing ring so as to adapt to the changes of different sealing ring specifications and assembly positions, each sealing ring is ensured to be correctly positioned, the sealing ring pre-assembly machine uses an adaptive press-mounting tool to ensure that the sealing ring is uniformly and tightly mounted on the assembly position of the sealing ring, proper strength and speed are adopted to avoid damage to the sealing ring or uneven stress generated in the assembly process, the performance and the service life of the sealing ring are influenced by environmental conditions, so that the environmental monitoring step is vital in the sealing ring pre-assembly machine, environmental parameters such as temperature and heat radiation are monitored to ensure that the environment of the sealing ring pre-assembly is free from friction heat accumulation, damage to the sealing ring caused by friction heat is reduced, the quality monitoring step is introduced in real time in the whole pre-assembly process, the appearance evenness of the sealing ring is possibly checked by adopting a vision system, the size and the thickness of the sealing ring are detected by using a sensor, and a non-destructive detection method is adopted to identify potential quality problems, if any problem is detected in the quality monitoring, the system is required to be provided with automatic emergency stop, the emergency stop mechanism is immediately stopped, the emergency stop mechanism can be prevented from being triggered when the product is in the subsequent production stage, and the emergency operation is triggered by personnel in the emergency production operation. For quality traceability and performance analysis, it is essential to record key parameters for each production cycle. These parameters include, but are not limited to, production speed, pressure, run time, and operating coordinates. By using an advanced data recording system, the accuracy and the integrity of data are ensured so as to support the subsequent quality improvement and production optimization, and through the organic combination of the steps, the preassembling method of the sealing ring preassembling machine can realize the efficient, stable and high-quality sealing ring installation process, simultaneously avoid the influence of friction heat on more sealing rings, improve the preassembling quality of the subsequent sealing rings, and further provide comprehensive data support so as to carry out quality analysis and continuous improvement.
The S1 step comprises data acquisition, data preprocessing, position calculation and position feedback;
and (3) data acquisition: identifying the position and the direction of the sealing rubber ring by using one or more of an ultrasonic sensor and an image position sensor;
data preprocessing: amplifying, denoising and filtering the acquired digital signals;
position calculation: calculating the position of the target object by using the collected sensing data;
position feedback: and feeding the calculated position information back to the system so as to execute corresponding control.
Specifically, the ultrasonic sensor and the image position sensor are adopted to preprocess the collected original data, and operations such as filtering, calibration and denoising are included, so that noise is eliminated, the accuracy of the data is improved, the assembling position of the sealing ring is accurately identified, the change of different sealing ring specifications and assembling positions is adapted, and each sealing ring is ensured to be correctly positioned.
S2, surface preparation, pre-installation test and auxiliary installation are included;
surface preparation: the surface of the assembly position is kept clean, smooth and flat, so that the influence of the unevenness on the tightness of the sealing ring is avoided;
pre-installation test: before formal assembly, performing a pre-installation test, placing the sealing ring in an assembly position, and ensuring the adaptation and tightness of the sealing ring;
auxiliary installation: the sealing ring is mounted by using a specially designed tool, so that even applied force is ensured, and the sealing ring is prevented from being excessively stretched or deformed.
Specifically, through carrying out clean detection to the assembly position surface of sealing washer pre-installation, effectively ensure that the sealing washer is closely installed on assembly position, improve sealed effect and product's reliability, the sealing washer pre-installation uses the pressure equipment instrument that suits, ensures that the sealing washer obtains even, inseparable installation on its assembly position, adopts appropriate dynamics and speed to avoid the sealing washer impaired or produce inhomogeneous stress in the assembly process, reduced the harm that the sealing washer received, improved sealing washer pre-installation's operating quality.
S3, temperature detection and thermal radiation detection are included;
and (3) temperature detection: detecting the environmental temperature of the pre-assembly position of the sealing ring in real time;
and (3) heat radiation detection: a thermal image is generated of the environment using a thermal infrared imager.
Specifically, the sealing ring pre-installation machine generates friction due to contact of the sealing ring and other objects under long-time pre-assembly, friction heat is correspondingly increased under a long-time friction environment, the degree and the position of heat accumulation can be rapidly detected through temperature detection and heat radiation detection, and negative influences of the friction heat on the sealing ring can be effectively avoided after heat dissipation measures are taken for the corresponding positions.
S4, size detection, flatness detection and assembly force detection are included;
size detection: measuring the dimensions of the inner diameter, the outer diameter and the thickness of the sealing ring by using one or more of a micrometer or a laser range finder;
flatness detection: observing whether the surface of the sealing ring has obvious defects, pollution or damage;
and (3) detecting assembly force: and testing the force required by the sealing ring during assembly.
Specifically, one or more high-precision measuring tools such as a micrometer or a laser range finder are adopted to ensure that the key dimension of the sealing ring is accurately measured, the micrometer can be used for directly measuring the dimensions such as the inner diameter, the outer diameter, the thickness and the like of the pre-assembled sealing ring, the laser range finder provides a non-contact measuring mode, the influence of physical contact on the surface of the sealing ring is avoided, the dimension of the sealing ring is ensured to meet the specification requirement, an image processing technology is utilized to detect whether obvious defects, tearing, pollution or damage exist on the outer surface of the sealing ring, the performance of the sealing ring is prevented from being influenced by irregular surface features, a special force sensor or a dynamometer is utilized to detect the force required by the sealing ring during assembly, the force applied by the sealing ring is ensured to be in a specified range, the assembly problem is prevented from being caused by excessive or insufficient pressure, and the assembly force is monitored in real time, so that the consistency and the quality of the assembly are improved.
S5, the method comprises a detection module, an emergency stop module and a reset module;
and a detection module: monitoring the state of the machine in real time, and triggering an emergency stop module by the monitor once the abnormal condition is monitored;
an emergency stop module: rapidly cutting off the power supply of the machine;
and a reset module: for restarting the machine after adjustment.
The reset module is controlled by one or more of a touch screen and buttons.
Specifically, the detection module is a key part in the operation process of the sealing ring pre-installation machine, the pre-assembly position environment of the sealing ring pre-installation machine is ensured to be normal by monitoring data of various sensors and systems in real time, if any abnormal condition such as overhigh temperature, abnormal pressure or other faults is monitored, the monitor immediately gives an alarm and triggers the emergency stop module to send a signal, the emergency stop module can rapidly cut off the power supply of the sealing ring pre-installation machine so as to prevent potential damage or further development of dangerous conditions, the reset module plays a role after the sealing ring pre-installation machine is emergently stopped, after the problem of the sealing ring pre-installation machine is solved, the reset module allows an operator to restart the sealing ring pre-installation machine through a touch screen or button control, the reset function can be automatically started by the system after the sealing ring pre-installation machine is adjusted, and can also be manually triggered by a worker, the touch screen or the button provides flexibility and operability, so that the operator can restart the sealing ring pre-installation machine according to a set program and ensure that necessary safety check and program are executed in the restarting process.
The recording parameters in step S6 include production speed, pressure, run time and working coordinates.
The data records are collected by an automated system.
Specifically, the data record of production speed, pressure, running time and working coordinate parameters is collected through an automatic system, a sensor and data collection equipment are directly connected with production equipment, key information in the preassembling process of the sealing ring preassembling machine is collected and stored in real time, the automatic data collection system ensures the accuracy and timeliness of data, a reliable basis is provided for monitoring and optimizing the production process, after secondary faults occur on the sealing ring preassembling machine, the problem of the sealing ring preassembling machine can be quickly checked by comparing the collected parameters with historical parameters, and the parameters have key effects on maintaining the normal operation of the preassembling machine, improving the production efficiency and implementing preventive maintenance.
A negative feedback connection is used between the quality detection and the emergency stop.
Specifically, during the pre-assembly process of the sealing ring pre-assembly machine, quality detection is a key step for ensuring that the final product meets the specified standard and quality requirement, through using various sensors and detection equipment, the operation parameters of the sealing ring pre-assembly machine, the physical parameters of the surface of the sealing ring and the environmental heat parameters in the pre-assembly process of the sealing ring pre-assembly machine are monitored in real time, the detection data are compared with the preset quality standard, if any abnormality or disqualification is found, the system starts a negative feedback mechanism, an important component of the negative feedback connection is an emergency stop system, when the quality detection module finds that the potential quality problem exists, or the system monitors other abnormal conditions, the emergency stop system immediately interrupts the pre-assembly process of the sealing ring pre-assembly machine, so that the subsequent sealing ring is prevented from being pre-assembled under the condition that the friction heat is accumulated in a large quantity, and the negative influence on the quality of the subsequent processing sealing ring is reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The preassembling method of the sealing ring preassembling machine is characterized by comprising the following steps of:
s1, identifying a pre-assembly position, and identifying an assembly position of a seal ring to be pre-assembled;
s2, press fitting of the sealing ring to ensure tight installation of the sealing ring at the assembly position;
s3, environment monitoring is carried out, and the surrounding environment of the sealing ring is monitored in real time;
s4, monitoring the quality of the sealing ring in real time in the pre-assembly process;
s5, performing emergency stop, and performing machine emergency stop under the condition of quality problems;
s6, recording data, and recording key parameters of each production period.
2. The preassembly method of a sealing ring preassembly machine according to claim 1, wherein the step S1 comprises data acquisition, data preprocessing, position calculation and position feedback;
the data acquisition: identifying the position and the direction of the sealing rubber ring by using one or more of an ultrasonic sensor and an image position sensor;
the data preprocessing: amplifying, denoising and filtering the acquired digital signals;
the position calculation: calculating the position of the target object by using the collected sensing data;
the position feedback: and feeding the calculated position information back to the system so as to execute corresponding control.
3. The preassembly method of a seal ring preassembly machine according to claim 1, wherein the step S2 includes surface preparation, preassembly test and auxiliary installation;
the surface preparation: the surface of the assembly position is kept clean, smooth and flat, so that the influence of the unevenness on the tightness of the sealing ring is avoided;
the pre-installation test: before formal assembly, performing a pre-installation test, placing the sealing ring in an assembly position, and ensuring the adaptation and tightness of the sealing ring;
the auxiliary installation: the sealing ring is mounted by using a specially designed tool, so that even applied force is ensured, and the sealing ring is prevented from being excessively stretched or deformed.
4. The preassembly method of a seal ring preassembly machine according to claim 1, wherein the step S3 includes temperature detection and thermal radiation detection;
and (3) temperature detection: detecting the environmental temperature of the pre-assembly position of the sealing ring in real time;
and (3) heat radiation detection: a thermal image is generated of the environment using a thermal infrared imager.
5. The preassembly method of a seal ring preassembly machine according to claim 1, wherein the step S4 includes size detection, flatness detection and assembling force detection;
the size detection: measuring the dimensions of the inner diameter, the outer diameter and the thickness of the sealing ring by using one or more of a micrometer or a laser range finder;
the flatness detection: observing whether the surface of the sealing ring has obvious defects, pollution or damage;
the assembly force detection: and testing the force required by the sealing ring during assembly.
6. The preassembly method of the sealing ring preassembly machine according to claim 1, wherein in the step S5, the preassembly method comprises a detection module, an emergency stop module and a reset module;
the detection module is used for: monitoring the state of the machine in real time, and triggering an emergency stop module by the monitor once the abnormal condition is monitored;
the emergency stop module: rapidly cutting off the power supply of the machine;
the reset module: for restarting the machine after adjustment.
7. The preassembly method of a seal ring preassembly machine according to claim 1, wherein the recording parameters in the step S6 includes production speed, pressure, running time and working coordinates.
8. A pre-assembly method of a sealing ring pre-assembly according to claim 1, characterized in that a negative feedback connection is used between the quality detection and the emergency stop.
9. The method of claim 6, wherein the reset module is controlled by one or more of a touch screen and a button.
10. A method of preassembling a seal ring according to claim 7, wherein the data record is collected by an automated system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311750061.5A CN117773527A (en) | 2023-12-19 | 2023-12-19 | Pre-assembling method of sealing ring pre-assembling machine |
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| CN202311750061.5A CN117773527A (en) | 2023-12-19 | 2023-12-19 | Pre-assembling method of sealing ring pre-assembling machine |
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| CN117773527A true CN117773527A (en) | 2024-03-29 |
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| CN202311750061.5A Pending CN117773527A (en) | 2023-12-19 | 2023-12-19 | Pre-assembling method of sealing ring pre-assembling machine |
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