CN113070669B - Cylinder head guide pipe press-fitting method, system and device with self-adaptive characteristic - Google Patents
Cylinder head guide pipe press-fitting method, system and device with self-adaptive characteristic Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000003825 pressing Methods 0.000 claims description 14
- 230000003044 adaptive effect Effects 0.000 claims description 9
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- 239000003381 stabilizer Substances 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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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
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/14—Measuring arrangements characterised by the use of fluids for measuring depth
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Abstract
The invention discloses a method, a system and a device for press mounting of a guide pipe of a cylinder cover with self-adaptive characteristics, wherein the press mounting method comprises the following steps: acquiring an air pressure signal sprayed between the bottom surface of the press-fitting head and a press-fitting step surface of a cylinder cover; acquiring the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal; according to the obtained real-time distance, acquiring a press-fitting depth value of the conduit to be pressed into the conduit hole of the cylinder cover, and judging the numerical range of the press-fitting depth value; and when the press-fitting depth value is detected to be smaller than the preset numerical range, controlling and driving the press-fitting head to move downwards until the press-fitting depth value reaches the preset numerical range. According to the cylinder cover guide pipe press-fitting method with the self-adaptive characteristic, the press-fitting head is controlled and driven to be self-adaptively adjusted until the press-fitting depth value reaches the preset numerical range, so that the phenomenon of poor press-fitting is avoided; the production efficiency of cylinder cap pressure equipment pipe is improved, the useless rate of worker is reduced.
Description
Technical Field
The invention relates to the field of assembly detection, in particular to a cylinder cover guide pipe press-fitting method with self-adaptive characteristics.
Background
In the field of engine manufacturing, the press-in depth d of a cylinder cover conduit is strictly required, and the press-in depth d refers to the distance from the press-in end of the conduit to the press-fitting step surface of a cylinder cover.
At present, the mainstream conduit press-fitting process is that a hydraulic oil cylinder or a servo electro-hydraulic cylinder is used as a power source, a mechanical limit is set or a stroke is set by a servo to be used as a press-fitting in-place signal, or the two modes are mixed and matched for use.
In the prior art, a hydraulic oil cylinder is used as a power source for press fitting of a guide pipe, and a mechanical limit is set for a press fitting in-place signal. However, when the product is processed, different cylinder cover workpieces are processed, and the distances from the press-mounting step surface of the processed guide pipe to the press-mounting positioning surface are randomly distributed within a certain error range; the position of the same cylinder cover workpiece with 4 cylinder machines with 16 step surfaces can fluctuate randomly within a certain error range. The current mechanical limit press-fitting stroke is fixed and cannot be automatically adjusted along with the position fluctuation of the press-fitting surface of the workpiece, so that one result is that the press-fitting head reaches a limit point but does not contact the press-fitting step surface, and the press-fitting depth of the guide pipe is insufficient; another result is that the press-fitting head has not yet reached the limit point but has contacted the press-fitting step face, so that the cylinder head is deformed under pressure.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provides a cylinder cover guide pipe press-fitting method, a system and a device with self-adaptive characteristics.
In a first aspect, a method, a system and a device for press fitting of a cylinder head guide pipe with self-adaptive characteristics are provided, and the method, the system and the device comprise the following steps:
in a first aspect, the invention provides a cylinder head guide pipe press-fitting method with self-adaptive characteristics, which is characterized by comprising the following steps:
acquiring an air pressure signal sprayed between the bottom surface of the press-fitting head and a press-fitting step surface of a cylinder cover;
acquiring the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal;
according to the obtained real-time distance, acquiring a press-fitting depth value of the conduit to be pressed into the conduit hole of the cylinder cover, and judging the numerical range of the press-fitting depth value;
and when the press-fitting depth value is detected to be smaller than the preset numerical range, controlling and driving the press-fitting head to move downwards until the press-fitting depth value reaches the preset numerical range.
According to the first aspect, in a first possible implementation manner of the first aspect, the step of obtaining the air pressure signal sprayed between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover; according to the obtained air pressure signal, acquiring the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover, and specifically comprising the following steps:
controlling the press-fitting head to be close to the press-fitting step surface of the cylinder cover, so that high-pressure gas between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover is blocked to form back pressure;
acquiring a backpressure signal sprayed between the bottom surface of the press-fitting head and a press-fitting step surface of a cylinder cover, and setting the backpressure signal as an air pressure signal;
and acquiring a function relation of the air pressure signal sprayed from the press-fitting head to the cylinder cover and the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal to obtain the real-time distance.
According to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the step of controlling the press-fitting head to be close to the press-fitting step surface of the cylinder cover so that high-pressure gas between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover is blocked to form back pressure specifically includes the following steps:
controlling high-pressure gas to be output to a cylinder cover press-fitting step surface through a press-fitting head gas path;
and controlling the press-fitting head to be close to the press-fitting step surface of the cylinder cover, so that the high-pressure gas is blocked on the press-fitting step surface of the cylinder cover to form back pressure.
According to the first aspect, in a third possible implementation manner of the first aspect, the step of obtaining a press-fitting depth value of a conduit to be press-fitted into a conduit hole of a cylinder cover according to the obtained real-time distance specifically includes the following steps:
acquiring the total length of a guide pipe to be pressed and the pressing length of the guide pipe to be pressed inserted into a round hole of a pressing head;
acquiring a mathematical relation among the total length of the conduit, the press-fitting length, the real-time distance and the press-fitting depth value;
and calculating to obtain the press fitting depth value according to the obtained mathematical relation.
According to the first aspect, in a fourth possible implementation manner of the first aspect, after the step of "judging the numerical range of the press-fitting depth value", the method further includes the following steps:
and when the press-fitting depth value reaches a preset numerical range, controlling the drive press-fitting head to stop moving downwards.
According to the first aspect, in a fifth possible implementation manner of the first aspect, after the step of controlling to drive the press-fitting head to move downward until the press-fitting depth value reaches the preset numerical range when the press-fitting depth value is detected not to reach the preset numerical range, the method further includes the following steps:
controlling the interference fit friction force of the conduit to be pressed and the cylinder cover conduit hole to be larger than the friction force of the conduit to be pressed and fixed in the round hole of the press-fitting head;
and controlling the press-fitting head to be far away from the press-fitting step surface of the cylinder cover.
In a second aspect, the present invention provides a cylinder head conduit press-fitting system having adaptive features, comprising:
the air pressure signal acquisition module is used for acquiring an air pressure signal sprayed between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover;
the real-time distance acquisition module is in communication connection with the air pressure signal acquisition module and is used for acquiring the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal;
the press-fitting depth acquisition and processing module is in communication connection with the real-time distance acquisition module and is used for acquiring the press-fitting depth value of the conduit to be pressed into the conduit hole of the cylinder cover according to the acquired real-time distance and judging the numerical range of the press-fitting depth value; and the number of the first and second groups,
and the driving control module is in communication connection with the press fitting depth acquisition processing module and is used for controlling the driving press fitting head to move downwards until the press fitting depth value reaches the preset numerical range when the press fitting depth value is detected not to reach the preset numerical range.
In a third aspect, the present invention provides a cylinder head duct press-fitting device with adaptive characteristics, comprising:
the press-mounting mechanism comprises a cylinder cover positioning clamp for clamping the cylinder cover, a press-mounting head structure for inserting an air pipe and a driving structure arranged on the press-mounting head structure, and the press-mounting head structure is arranged right above the cylinder cover positioning clamp;
the gas conveying mechanism comprises a high-pressure gas source, a gas pressure sensor connected with the high-pressure gas source and a gas conveying pipeline structure connected with the gas pressure sensor, the gas conveying pipeline structure is arranged on the press-mounting head structure, and a gas outlet of the gas conveying pipeline structure is positioned on the bottom end face of the press-mounting head structure and is opposite to the top end face of the cylinder cover positioning fixture; and the number of the first and second groups,
a controller, including a cylinder head conduit press-fit system having adaptive features as described above, in communication with the drive structure and the air pressure sensor.
According to the third aspect, in a first possible implementation manner of the third aspect, the press-fitting head structure includes:
the gas circuit is used for penetrating the gas transmission pipeline structure, and the round hole is used for pre-assembling a pipe to be subjected to press mounting.
According to the third aspect, in a second possible implementation manner of the third aspect, the driving structure is a hydraulic cylinder or a servo motor.
Compared with the prior art, the invention has the following advantages:
according to the cylinder cover conduit press-fitting method with the self-adaptive characteristic, the press-fitting depth value of the conduit to be pressed into the cylinder cover conduit hole is finally obtained according to the obtained air pressure signal sprayed between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover, then the press-fitting depth value is controlled and driven to be adjusted in a self-adaptive mode until the press-fitting depth value reaches the preset numerical value range according to the numerical value range of the detected press-fitting depth value, and the bad phenomena that the press-fitting head reaches a limit point, but the conduit to be pressed does not contact the press-fitting step surface of the cylinder cover, so that the press-fitting depth of the conduit to be pressed is insufficient, or the press-fitting head does not reach the limit point, the press-fitting head contacts the press-fitting step surface of the cylinder cover and the cylinder cover deforms under pressure are avoided; the production efficiency of cylinder cap pressure equipment pipe is improved, the useless rate of worker is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a flow diagram of a method of an embodiment of the invention;
FIG. 3 is another method flow diagram of an embodiment of the present invention;
fig. 4 is a functional block diagram of an embodiment of the present invention.
In the figure, 100, an air pressure signal acquisition module; 200. a real-time distance acquisition module; 300. a press fitting depth acquisition processing module; 400. a drive control module; 111. positioning pins; 112. a support block; 121. pressing the head; 123. a circular hole; 13. a drive structure; 21. a high pressure gas source; 22. an air pressure sensor; 30. a controller; 40. a cylinder cover; 41. pressing a step surface of the cylinder cover; 42. a conduit aperture; 50. and (5) pressing the conduit.
Detailed Description
Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. While the invention will be described in conjunction with the specific embodiments, it will be understood that they are not intended to limit the invention to the embodiments described. On the contrary, it is intended to cover alternatives, modifications, and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims. It should be noted that the method steps described herein may be implemented by any functional block or functional arrangement, and that any functional block or functional arrangement may be implemented as a physical entity or a logical entity, or a combination of both.
In order that those skilled in the art will better understand the present invention, the following detailed description of the invention is provided in conjunction with the accompanying drawings and the detailed description of the invention.
Note that: the example to be described next is only a specific example, and does not limit the embodiments of the present invention necessarily to the following specific steps, values, conditions, data, orders, and the like. Those skilled in the art can, upon reading this specification, utilize the concepts of the present invention to construct more embodiments than those specifically described herein.
Referring to fig. 1, after the incoming cylinder cover 40 is positioned on the cylinder cover positioning fixture, the distance between the cylinder cover press-fitting step surface 41 and the positioning surface is denoted as H, and since the cylinder cover has a certain error during machining, the value of H also has a tolerance, which causes H to fluctuate within the tolerance range. In the process of pressing the conduit 50 to be press-fitted into the cylinder cover conduit hole 42, the distance from the bottom surface of the press-fitting head to the press-fitting step surface 41 of the cylinder cover is s, the press-fitting length D of the conduit to be press-fitted into the round hole of the press-fitting head is recorded as D, the depth value of the conduit pressed into the cylinder cover conduit hole 42 is recorded as D, namely the distance from the pressed end of the conduit to the press-fitting step surface 41 of the cylinder cover, and the press-fitting depth value D is strictly required, so the accuracy of the press-fitting depth value D needs to be ensured, and the press-fitting head does not damage the press-fitting step surface of the cylinder cover.
Referring to fig. 2, an embodiment of the present invention provides a cylinder head guide pipe press-fitting method with adaptive characteristics, including the following steps:
s100, acquiring an air pressure signal sprayed between the bottom surface of the press-fitting head and a press-fitting step surface of a cylinder cover;
s200, acquiring a real-time distance S from the bottom surface of the press-fitting head to a press-fitting step surface of a cylinder cover according to the obtained air pressure signal;
s300, according to the obtained real-time distance S, obtaining a press-fitting depth value d of the conduit to be pressed into the conduit hole of the cylinder cover, and judging the numerical range of the press-fitting depth value;
s410, when the press-mounting depth value d is detected to be smaller than the preset numerical range, the press-mounting head is controlled to be driven to move downwards, and the process is repeated in a circulating mode until the press-mounting depth value d reaches the preset numerical range.
According to the cylinder cover conduit press-fitting method with the self-adaptive characteristic, the press-fitting depth value of the conduit to be pressed into the cylinder cover conduit hole is finally obtained according to the obtained air pressure signal sprayed between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover, then the press-fitting depth value is controlled and driven to be adjusted in a self-adaptive mode until the press-fitting depth value reaches the preset numerical value range according to the numerical value range of the detected press-fitting depth value, and the bad phenomena that the press-fitting head reaches a limit point, but the conduit to be pressed does not contact the press-fitting step surface of the cylinder cover, so that the press-fitting depth of the conduit to be pressed is insufficient, or the press-fitting head does not reach the limit point, the press-fitting head contacts the press-fitting step surface of the cylinder cover and the cylinder cover deforms under pressure are avoided; the production efficiency of cylinder cap pressure equipment pipe is improved, the useless rate of worker is reduced.
In an embodiment, referring to fig. 3, the step S200 is to obtain an air pressure signal sprayed between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder head; s300, acquiring a real-time distance from the bottom surface of the press-fitting head to a press-fitting step surface of a cylinder cover according to the obtained air pressure signal, wherein the method specifically comprises the following steps:
s210, controlling the press-fitting head to be close to a press-fitting step surface of the cylinder cover, and blocking high-pressure gas between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover to form back pressure Px;
s220, acquiring a backpressure signal Px sprayed between the bottom surface of the press-fitting head and a press-fitting step surface of a cylinder cover, and setting the backpressure signal Px as an air pressure signal;
and S310, acquiring a function relation S (f (Px)) of an air pressure signal sprayed from the press-fitting head to the cylinder cover and a real-time distance S from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal, and obtaining the real-time distance S.
In one embodiment, the step S210 of controlling the press-fitting head to approach a press-fitting step surface of a cylinder head, so that high-pressure gas located between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder head is blocked to form a back pressure Px includes the following steps:
s211, controlling high-pressure gas to be output to a cylinder cover press-fitting step surface through a press-fitting head gas path;
s212, controlling the press-fitting head to be close to the press-fitting step surface of the cylinder cover, and enabling the high-pressure gas to be blocked on the press-fitting step surface of the cylinder cover to form a back pressure Px.
In an embodiment, the step S300 of obtaining a press-fitting depth value d for pressing the conduit to be press-fitted into the conduit hole of the cylinder cover according to the obtained real-time distance S includes the following steps:
s310, acquiring the total length of the guide pipe to be pressed and the pressing length D of the guide pipe to be pressed inserted into the circular hole of the pressing head;
s320, acquiring a mathematical relation among the total length L of the conduit, the press-fitting length D, the real-time distance S and the press-fitting depth value D:
d＝L-D-s；
s330, performing parameter transformation on the obtained conduit length L, the obtained press-fitting length D and the obtained real-time distance S according to the obtained mathematical relationship, and calculating to obtain a press-fitting depth value D, wherein the real-time distance S is changed under the influence of the up-and-down reciprocating motion of a press-fitting head and the fluctuation of the distance H between the press-fitting step surface 41 of the cylinder cover and a positioning surface because the conduit length L and the press-fitting length D are known fixed values, so that the real-time distance S is obtained through a backpressure signal, the press-fitting depth value D is obtained through the real-time distance S, and the accuracy of the obtained press-fitting depth value D is ensured; simultaneously, the press-fitting head is driven to move up and down, so that the real-time distance s is adjusted, the press-fitting depth value d can be guaranteed to reach a preset numerical range, and the occurrence of poor press-fitting phenomena is avoided.
In an embodiment, after the step of "S300, determining the numerical range of the press-fitting depth value", the method further includes the following steps:
and S420, when the press-fitting depth value reaches the preset numerical range, controlling the press-fitting head to stop moving downwards, and avoiding the undesirable phenomena that the press-fitting head reaches a limit point, but the press-fitting guide pipe does not contact the press-fitting step surface of the cylinder cover, the press-fitting depth of the press-fitting guide pipe is insufficient, and the press-fitting head does not reach the limit point, but the press-fitting guide pipe contacts the press-fitting step surface, and the cylinder cover is pressed and deformed continuously due to pressing.
In an embodiment, after the step of controlling and driving the press-fitting head to move downward until the press-fitting depth value reaches the preset numerical range when it is detected that the press-fitting depth value does not reach the preset numerical range at S410, the method further includes the following steps:
s431, controlling the friction force of the interference fit between the conduit to be pressed and the conduit hole of the cylinder cover to be larger than the friction force of the conduit to be pressed and fixed in the round hole of the press-fitting head, so as to prevent the press-fitting head from taking out the pressed conduit from the conduit hole of the cylinder cover in the process of press-fitting the conduit to be pressed into the conduit hole of the cylinder cover after the press-fitting head is far away from the press-fitting step surface of the cylinder cover;
and S432, controlling the press-fitting head to be far away from the cylinder cover to press-fit the step surface.
Based on the same inventive concept, referring to fig. 4, the present invention provides a cylinder head duct press-fitting system with adaptive characteristics, comprising:
the air pressure signal acquisition module 100 is used for acquiring an air pressure signal sprayed between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover;
the real-time distance acquisition module 200 is in communication connection with the air pressure signal acquisition module and is used for acquiring the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal;
the press-fitting depth acquisition and processing module 300 is in communication connection with the real-time distance acquisition module and is used for acquiring the press-fitting depth value of the conduit to be pressed into the conduit hole of the cylinder cover according to the acquired real-time distance and judging the numerical range of the press-fitting depth value; and the number of the first and second groups,
and the driving control module 400 is in communication connection with the press-fitting depth acquisition processing module and is used for controlling the driving press-fitting head to move downwards until the press-fitting depth value reaches the preset numerical range when the press-fitting depth value is detected not to reach the preset numerical range.
Based on the same inventive concept, referring to fig. 1, the invention provides a cylinder cover conduit press-fitting device with self-adaptive characteristics, which comprises a press-fitting structure, a gas conveying mechanism and a controller 30, wherein the press-fitting mechanism 10 comprises a cylinder cover positioning clamp for clamping a cylinder cover, a press-fitting head structure for inserting a gas pipe, and a driving structure 13 arranged on the press-fitting head structure, and the press-fitting head structure is arranged right above the cylinder cover positioning clamp; the gas conveying mechanism comprises a high-pressure gas source 21, a gas pressure sensor 22 connected with the high-pressure gas source and a gas conveying pipeline structure connected with the gas pressure sensor, the gas conveying pipeline structure is arranged on the press-fitting head structure, and a gas outlet of the gas conveying pipeline structure is positioned on the bottom end face of the press-fitting head structure and is opposite to the top end face of the cylinder cover positioning clamp; the controller 30 includes a cylinder head manifold press-fit system having adaptive features as described above, in communication with the drive structure and the air pressure sensor.
In an embodiment, the press-fitting head structure includes a press-fitting head 121, an air passage penetrating through the press-fitting head and having an opening facing the step surface of the cylinder cover for press-fitting, and a circular hole 123 formed in the bottom surface of the press-fitting head, where the air passage is used for penetrating through the air delivery pipe structure, and the circular hole is used for pre-fitting a conduit to be press-fitted.
In the embodiment that this application changes, treat that the pressure equipment pipe still can realize being fixed in on the pressure equipment head bottom surface through other modes, for example through vacuum adsorption or through the boss that pressure equipment head bottom surface downwardly extending set up fixed treat the pressure equipment pipe for the other end of pressure equipment end, as long as can realize for can pre-fix treat the pressure equipment pipe, drive it move to the cylinder cap in the pipe hole can, correspondingly, change the calculation mode of real-time distance s can.
The present invention provides a cylinder head conduit press-fitting device having adaptive characteristics, in which a controller 30, an air pressure sensor 22, and a press-fitting head 121 are incorporated, monitoring the back pressure signal Px in real time and feeding back the back pressure signal Px to the controller 30 in the process of pressing the catheter, synchronously calculating the value of the pressing depth value d in real time by the controller 30, judging whether to continue to control the press fitting action according to the value of the press fitting depth value d, circularly reciprocating until the press fitting depth value d reaches the required range, by the method, the whole press-fitting system becomes a closed-loop system with self-adaptive control characteristics, the press-fitting head is prevented from reaching a limit point, but the pressure-mounting conduit does not contact the pressure-mounting step surface of the cylinder cover, so that the pressure-mounting depth of the conduit is not enough, or the press-fitting head does not reach the limit point, and the bad phenomenon that the cylinder cover deforms under pressure occurs when the press-fitting head contacts the press-fitting step surface of the cylinder cover; the production efficiency of cylinder cap pressure equipment pipe is improved, the useless rate of worker is reduced.
As described above, the limit point is defined as a force-limited point at which the press-fitting head moves downward under a force and cannot move further downward.
In an embodiment, the baroceptor includes admission valve, stabiliser, orifice and pressure indicator component, the one end of admission valve is connected the outside high-pressure gas source for introduce high-pressure gas, the other end of admission valve is used for connecting the stabiliser for carry out the steady voltage with the high-pressure gas who introduces, the orifice is connected to the other end of stabiliser for carry the steady pressure high-pressure gas of pressure for taking the pressure equipment head of gas circuit through the orifice, the atmospheric air between the pressure equipment head bottom surface and the cylinder cap pressure equipment step face is pressed to the gas circuit nozzle flow direction of the gas transmission pipeline structure of the overhead gas circuit of rethread pressure equipment. When the bottom surface of the press-fitting head is close to the press-fitting stepped surface of the cylinder cover, the atmosphere sprayed out through the gas circuit nozzle is influenced by the resistance of the press-fitting stepped surface of the cylinder cover to form back pressure, at the moment, high-pressure gas forms back pressure between the throttling hole and the gas circuit nozzle, a back pressure chamber is formed between the throttling hole and the gas circuit nozzle, a pressure indicator is arranged on a gas pipe of a gas pipeline structure and used for measuring a gas back pressure value Px in the back pressure chamber, the gas back pressure value Px is used as a back pressure signal Px between the bottom surface of the press-fitting head and the press-fitting stepped surface of the cylinder cover, the controller 30 obtains the gas back pressure value Px of the pressure indicator, synchronously calculates the value of a press-fitting depth value d in real time, judges whether to continue to control press-fitting actions according to the value of the press-fitting depth value d, and repeats until the press-fitting depth value d reaches a required range.
In one embodiment, the cylinder head positioning fixture includes a positioning pin 111 and a support block 112, the positioning pin securing the support block on a support table for supporting the cylinder head 40.
In one embodiment, the driving mechanism 13 is a hydraulic cylinder or a servo motor.
Based on the same inventive concept, the embodiments of the present application further provide a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements all or part of the method steps of the above method.
The present invention can implement all or part of the processes of the above methods, and can also be implemented by using a computer program to instruct related hardware, where the computer program can be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above method embodiments can be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
Based on the same inventive concept, an embodiment of the present application further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program running on the processor, and the processor executes the computer program to implement all or part of the method steps in the method.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the computer device and the various interfaces and lines connecting the various parts of the overall computer device.
The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the computer device by executing or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (e.g., a sound playing function, an image playing function, etc.); the storage data area may store data (e.g., audio data, video data, etc.) created according to the use of the cellular phone. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, server, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), servers and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
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 (5)
1. A cylinder cover guide pipe press-fitting method with self-adaptive characteristics is characterized by comprising the following steps:
acquiring an air pressure signal sprayed between the bottom surface of the press-fitting head and a press-fitting step surface of a cylinder cover;
acquiring the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal;
according to the obtained real-time distance, acquiring a press-fitting depth value of the conduit to be pressed into the conduit hole of the cylinder cover, and judging the numerical range of the press-fitting depth value;
when the press-fitting depth value is detected to be smaller than the preset numerical range, controlling and driving the press-fitting head to move downwards until the press-fitting depth value is smaller than the preset numerical range;
the method comprises the steps of acquiring an air pressure signal sprayed between the bottom surface of a press-fitting head and a press-fitting step surface of a cylinder cover; according to the obtained air pressure signal, acquiring the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover, and specifically comprising the following steps:
controlling the press-fitting head to be close to the press-fitting step surface of the cylinder cover, so that high-pressure gas between the bottom surface of the press-fitting head and the press-fitting step surface of the cylinder cover is blocked to form back pressure;
acquiring a backpressure signal sprayed between the bottom surface of the press-fitting head and a press-fitting step surface of a cylinder cover, and setting the backpressure signal as an air pressure signal;
and acquiring a function relation of the air pressure signal sprayed from the press-fitting head to the cylinder cover and the real-time distance from the bottom surface of the press-fitting head to the press-fitting step surface of the cylinder cover according to the obtained air pressure signal to obtain the real-time distance.
2. A cylinder head conduit press fitting method with self-adaptive characteristics as claimed in claim 1, wherein the step of controlling the press fitting head to approach the press fitting step surface of the cylinder head so that high-pressure gas between the bottom surface of the press fitting head and the press fitting step surface of the cylinder head is blocked to form back pressure comprises the following steps:
controlling high-pressure gas to be output to a cylinder cover press-fitting step surface through a press-fitting head gas path;
and controlling the press-fitting head to be close to the press-fitting step surface of the cylinder cover, so that the high-pressure gas is blocked on the press-fitting step surface of the cylinder cover to form back pressure.
3. A cylinder head conduit press-fitting method with self-adaptive characteristics as claimed in claim 1, wherein the step of obtaining the press-fitting depth value of the conduit to be press-fitted into the cylinder head conduit hole according to the obtained real-time distance comprises the following steps:
acquiring the total length of a guide pipe to be pressed and the pressing length of the guide pipe to be pressed inserted into a round hole of a pressing head;
acquiring a mathematical relation among the total length of the conduit, the press-fitting length, the real-time distance and the press-fitting depth value;
and calculating to obtain the press fitting depth value according to the obtained mathematical relation.
4. A method of press fitting a cylinder head conduit with adaptive characteristics as set forth in claim 1, wherein said step of determining a numerical range of press fitting depth values is followed by the steps of:
and when the press-fitting depth value reaches a preset numerical range, controlling the drive press-fitting head to stop moving downwards.
5. A cylinder head duct press-fitting method with adaptive characteristics according to claim 1, wherein after said step of controlling and driving the press-fitting head to move down until the press-fitting depth value reaches the preset numerical range when it is detected that the press-fitting depth value does not reach the preset numerical range, the step of:
controlling the interference fit friction force of the conduit to be pressed and the cylinder cover conduit hole to be larger than the friction force of the conduit to be pressed and fixed in the round hole of the press-fitting head;
and controlling the press-fitting head to be far away from the press-fitting step surface of the cylinder cover.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110296828.6A CN113070669B (en) | 2021-03-19 | 2021-03-19 | Cylinder head guide pipe press-fitting method, system and device with self-adaptive characteristic |
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| CN202110296828.6A CN113070669B (en) | 2021-03-19 | 2021-03-19 | Cylinder head guide pipe press-fitting method, system and device with self-adaptive characteristic |
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| CN113910155A (en) * | 2021-11-16 | 2022-01-11 | 北京中丽制机电气有限公司 | Spinning assembly installation system and spinning assembly installation control method |
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| DE1946627A1 (en) * | 1969-09-15 | 1971-04-08 | Kurt Fritze | Transmission device for the wireless transmission of at least one measured value, such as pressure, temperature, imbalance, distance, etc., associated signals |
| CN102066871A (en) * | 2008-06-09 | 2011-05-18 | 马波斯S.P.A.公司 | Method for measuring a distance from a base area to a tapering area of a body |
| CN202527917U (en) * | 2012-04-25 | 2012-11-14 | 福州钜立机动车配件有限公司 | Conduit pressing device capable of detecting depth of pressing copper conduit in cylinder automatically and accurately |
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2021
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1946627A1 (en) * | 1969-09-15 | 1971-04-08 | Kurt Fritze | Transmission device for the wireless transmission of at least one measured value, such as pressure, temperature, imbalance, distance, etc., associated signals |
| CN102066871A (en) * | 2008-06-09 | 2011-05-18 | 马波斯S.P.A.公司 | Method for measuring a distance from a base area to a tapering area of a body |
| CN202527917U (en) * | 2012-04-25 | 2012-11-14 | 福州钜立机动车配件有限公司 | Conduit pressing device capable of detecting depth of pressing copper conduit in cylinder automatically and accurately |
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