CN113649435A - Automatic generation system and method for post-welding leveling technological parameters of turnout base plate - Google Patents

Automatic generation system and method for post-welding leveling technological parameters of turnout base plate Download PDF

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Publication number
CN113649435A
CN113649435A CN202110857577.4A CN202110857577A CN113649435A CN 113649435 A CN113649435 A CN 113649435A CN 202110857577 A CN202110857577 A CN 202110857577A CN 113649435 A CN113649435 A CN 113649435A
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China
Prior art keywords
leveling
press
pressing block
base plate
turnout
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CN202110857577.4A
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Chinese (zh)
Inventor
李琪
王秀菊
张立创
惠龙乾
刘中原
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China Railway Baoji Bridge Group Co Ltd
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China Railway Baoji Bridge Group Co Ltd
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Priority to CN202110857577.4A priority Critical patent/CN113649435A/en
Publication of CN113649435A publication Critical patent/CN113649435A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/26Programme control arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The automatic generation system and method of the leveling technological parameters after the welding of the turnout base plate are provided: manually inputting turnout pad size parameter information, moving a press control unit in place, detecting a measurement control unit, operating and comparing a PLC (programmable logic controller), performing multiple constant value accumulation and modification of a pressing stroke limit on an automatic leveling press when a comparison result is out of a process requirement range, stopping pressing and leveling the automatic leveling press when the comparison result is in the process requirement range, automatically storing all process parameters after automatic leveling, and generating and storing a repeatedly-called turnout pad post-welding leveling process. The invention adopts the automatic generation system of the post-welding leveling technological parameters of the turnout base plate to automatically generate the corresponding leveling technology according to different turnout base plates, simplifies and realizes the targeted and high-efficiency operation of the post-welding automatic leveling control system of the turnout base plates of different models, effectively improves the operation efficiency of automatic leveling and improves the production efficiency.

Description

Automatic generation system and method for post-welding leveling technological parameters of turnout base plate
Technical Field
The invention belongs to the technical field of leveling processes, and particularly relates to a system and a method for automatically generating post-welding leveling process parameters of a turnout base plate.
Background
At present, the leveling of the welded turnout base plate is carried out by manually operating a common press, and the flatness of the turnout base plate is detected by manually operating a knife edge leveling ruler. The technological parameters are obtained by tests and cannot be directly applied to an automation device.
With the continuous development of automatic control technology and the combination of the current situation of post-welding leveling of turnout base plates, in order to realize an automatic generation method of a set of post-welding leveling process of turnout base plates by utilizing advanced control technology, an automatic leveling press and an automatic detection device and optimizing a control program so as to simplify and realize the efficient operation of post-welding automatic leveling control systems of turnout base plates of different models, the following technical scheme is proposed.
Disclosure of Invention
The technical problems solved by the invention are as follows: the automatic generation system for the post-welding leveling technological parameters of the turnout base plate automatically generates corresponding leveling technologies according to different turnout base plates, simplifies and realizes efficient operation of the post-welding automatic leveling control system of the turnout base plate, effectively improves the operation efficiency of automatic leveling and improves the production efficiency.
The technical scheme adopted by the invention is as follows: the automatic generation method of the leveling technological parameters of the turnout base plate after welding comprises the following steps:
s001, manually inputting length, width and thickness dimension parameter information of the turnout base plate in an industrial computer control system; the industrial computer control system transmits the length, width and thickness dimension parameter information of the turnout base plate to the PLC;
s002, the PLC transmits a control instruction to the press control unit, the press control unit controls the automatic leveling press to stop when the automatic leveling press moves to the position right above the turnout base plate according to the length and width parameter information of the turnout base plate, and the press control unit stores the position parameter data information of the automatic leveling press when the automatic leveling press stops to the PLC;
s003, carrying out online detection on the turnout base plate by a plurality of measuring devices in the measurement control unit, and transmitting a detection result to the PLC;
s004, the PLC carries out operation comparison according to the detection result transmitted by the measuring device;
s005, if the result obtained after operation comparison by the PLC controller is out of the process requirement range, the PLC controller outputs a control instruction to the press control unit according to the comparison result, the press control unit controls the automatic leveling press to adjust the left-right translation position and the pressing stroke of the pressing block according to the control instruction, after the pressing block translates left and right in place, the press control unit performs multiple constant value accumulation modification of the pressing stroke limit of the pressing block of the automatic leveling press according to the comparison result, and multiple constant value accumulation pressing leveling of the turnout base plate is performed through the automatic leveling press;
s006, repeating the step S003, the step S004 and the step S005 until the result of the calculation and comparison of the PLC is within the process requirement range, and stopping pressing and leveling by the automatic leveling press;
s007, a PLC controller outputs a control instruction to control return reset of the automatic leveling press, automatically stores all process parameters after automatic leveling by the PLC controller, and transmits all process parameters after leveling to a holding type memory of an industrial computer control system for storage;
and S008, generating a switch base plate post-welding leveling process which can be repeatedly called by an industrial computer control system.
The automatic generation system of the post-welding leveling technological parameters of the turnout base plate comprises an industrial computer control system, and the industrial computer control system is provided with a holding type memory; the industrial computer control system is in communication connection with the PLC through a Profinet bus and exchanges data; the press control unit, the measurement control unit and the PLC are in communication connection through a Profinet bus to form a computer network and realize logic control and judgment.
In the above technical solution, further: the press control unit is provided with an automatic leveling press; the automatic leveling press is provided with a measurement control unit; the measurement control unit has a plurality of measuring devices, which are displacement sensors.
In the above technical solution, further: the automatic leveling press comprises a base, wherein a vertical top block is arranged in the center of the upper end face of the base, and a first supporting plate and a second supporting plate which are axisymmetric and can be lifted are arranged on the left side and the right side of the top block respectively; six vertical upward measuring devices are arranged on the left side and the right side of the ejector block; the measuring device is arranged in a left-right axial symmetry mode by taking the ejector block as a symmetry axis; a pressing block device mounting seat is arranged above the base; the top end of the mounting seat of the briquetting device is fixedly connected with the bottom end execution tail end of the briquetting up-down moving system; the pressing block device mounting base supports and mounts the left pressing block horizontal moving device and the right pressing block horizontal moving device; and the horizontal moving device of the left pressing block and the horizontal moving device of the right pressing block respectively adjust the horizontal moving positions of the left pressing block and the right pressing block which face downwards vertically.
In the above technical solution, further: the first supporting plate and the second supporting plate are driven to lift through a first air cylinder and a second air cylinder or a hydraulic cylinder; the briquetting moves the system from top to bottom and includes vertical pneumatic cylinder or cylinder that sets up, and the terminal link joint briquetting device mount pad top is carried out to the piston rod of pneumatic cylinder or cylinder in order to drive the whole elevating movement of briquetting device mount pad.
In the above technical solution, further: the left pressing block horizontal moving device and the right pressing block horizontal moving device respectively comprise servo motors, the servo motors are connected with and drive horizontal screws to rotate, the horizontal screws are screwed to be matched with mounting screw nuts, the screw nuts are connected with the top ends of the vertically mounted pressing blocks through bearing seat assemblies, and the pressing blocks are driven by the servo motors to adjust the translation positions of the left pressing blocks or the right pressing blocks relative to the horizontal screws.
Compared with the prior art, the invention has the advantages that:
1. the invention utilizes the automatic generation system of the post-welding leveling technological parameters of the turnout base plate, writes through an automatic control program, and automatically operates, automatically detects and judges the technological parameters required by the post-welding leveling of the turnout base plate; when the measured value of the leveled turnout base plate meets the product process requirement, the system automatically stores the parameters qualified by the re-inspection into the holding type memory, so that the automatic post-welding leveling process parameters of the turnout base plate which can be repeatedly called are generated, the high-efficiency operation of the automatic post-welding leveling control system of the turnout base plates of different models is simplified and realized, the operation efficiency of the automatic leveling is improved and the production efficiency is improved aiming at the turnout base plates of different models.
2. A plurality of measuring devices are arranged on a base, a pair of first and second lifting supporting plates are arranged on the base, a turnout base plate is placed on the lifting supporting plates, the measuring devices initially detect the turnout base plate, the measuring devices transmit data to a PLC (programmable logic controller), the PLC calculates the flatness of the turnout base plate according to the data of the measuring devices, the turnout base plate automatically levels according to the flatness, in the automatic leveling process of the turnout base plate, the measuring devices transmit real-time change data to the PLC as the basis of the action control of the PLC, the pressing leveling operation is stopped until the detection difference value of the measuring devices is less than or equal to the process requirement, a pressing block returns, the supporting plates are lifted and reset, the measuring devices automatically reset, and automatic on-line leveling detection is completed.
3. The invention adopts a plurality of measuring devices to detect the real-time flatness value of the turnout base plate, lays a data foundation for the implementation and application adjustment of an automatic device, lays a data support foundation for accurate leveling, and is more time-saving, labor-saving and labor-saving in adjustment.
4. The left and right pressing blocks are used for pressing down, the first and second supporting plates are matched with the central jacking block to realize the lifting operation of the turnout base plate, the pressing down and the jacking are combined, and the left and right pressing blocks capable of translating left and right are used for performing micro-motion pressing down orthopedic adjustment on the raised position of the turnout base plate, so that the leveling requirements of high precision and high efficiency are met.
5. The left and right pressing block horizontal moving devices are respectively driven by a servo motor, and the screw pair of the screw rod nut realizes the accurate translation adjusting function of the left and right positions of the pressing block through high-precision transmission, so that the requirements of high-precision adjustment and transmission are met, and the leveling is more accurate and reliable.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a diagram of a system for automatically generating leveling process parameters after the welding of a turnout base plate according to the present invention;
FIG. 3 is a working schematic block diagram of an automatic generation system for leveling process parameters of a turnout base plate after welding;
FIG. 4 is a schematic diagram of the automatic leveling press structure of the present invention;
FIG. 5 is a schematic structural diagram of the left and right pressing block horizontal moving devices of the automatic leveling press for adjusting the horizontal position of the pressing block;
in the figure: 1-an industrial computer control system, 2-a PLC controller, 3-a press control unit and 4-a measurement control unit; 31-automatic leveling press, 41-measuring device; 311-a base, 312-a top block, 313-a first supporting plate, 314-a second supporting plate, 315-a pressing block device mounting seat, 316-a left pressing block horizontal moving device, 317-a right pressing block horizontal moving device, 318-a left pressing block and 319-a right pressing block; 3171-servo motor, 3172-horizontal screw rod, 3173-screw rod nut, 3174-bearing seat assembly, 3175-servo motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
(as shown in figure 1) the automatic generation method of the leveling technological parameters of the turnout base plate after welding comprises the following steps:
s001, manually inputting length, width and thickness dimension parameter information of the turnout base plate in an industrial computer control system 1; to determine the size of the switch pad. So as to automatically generate turnout base plates corresponding to different models for the subsequent process. The industrial computer control system 1 transmits the length, width and thickness dimension parameter information of the turnout base plate to the PLC 2.
Step S002, the PLC controller 2 generates a corresponding control instruction after calculating according to the length, width and thickness parameter information of the turnout base plate, the control instruction is transmitted to the press control unit 3, the press control unit 3 controls the automatic leveling press 31 to stop when the pressing center of the press is moved to the position right above the turnout base plate according to the length and width parameter information of the turnout base plate, the press control unit 3 moves the pressing center to the position, and the position parameter data information of the automatic leveling press 31 when the pressing center stops is stored in the PLC controller 2. The automatic leveling press 31 can move in place right above the center of the turnout base plate according to different turnout base plate models.
And S003, carrying out online detection on the turnout base plate by the plurality of measuring devices 41 in the measurement control unit 4, and transmitting the detection result to the PLC 2. The measuring device 41 is six linear displacement sensors.
Step S004, the PLC controller 2 performs calculation and comparison based on the detection result transmitted from the measuring device 41. And comparing and calculating the difference value of the detection results of every two measuring devices 41, finding the position of the detecting device 41 with the maximum difference value, and indicating that the point position of the turnout base plate above the point changing detecting device 41 is the highest point of the relative bulge so as to determine the position of the turnout base plate, so that the translation and pressing position of the pressing block can be adjusted.
And S005, if the result of the operation comparison of the PLC 2 is out of the process requirement range, namely if the difference value is more than 1mm, the flatness is not satisfied, at the moment, the PLC 2 outputs a control instruction to the press control unit 3 according to the comparison result, the press control unit 3 controls the automatic leveling press 31 to adjust the left-right translation position and the pressing stroke of the pressing block according to the control instruction, and the left-right translation position of the pressing block needs to adjust the pressing block to be right above the turnout cushion plate of the detection device 41 with the maximum difference value. The pressing stroke of the pressing block is 0.02mm more than that of the last pressing stroke. After the pressing block is translated to the right and left in place, the press control unit 3 carries out multiple constant value accumulation modification on the limit of the pressing stroke of the pressing block of the automatic leveling press 31 according to the comparison result, namely the pressing stroke of the pressing block is 0.02mm more than the pressing stroke of the last time, and the constant value accumulation modification is carried out. And the turnout base plate is repeatedly pressed and leveled down by the automatic leveling press 31 in a constant value accumulation mode.
And S006, because the pressing block can rebound and reset, repeating the steps S003, S004 and S005 until the result of the calculation and comparison of the PLC controller 2 is within the process requirement range, namely the difference between any two measuring devices is less than or equal to 1mm, stopping the automatic leveling press 31 from pressing and leveling, and meeting the requirement on the flatness.
And S007, outputting a control instruction by the PLC 2 to control the return reset of the automatic leveling press 31, automatically storing all process parameters after automatic leveling by the PLC 2, and transmitting all process parameters after leveling to a holding type memory of the industrial computer control system 1 for storage. And leveling the turnout base plate according to the leveling operation sequence and mode corresponding to the turnout base plate so as to realize batch leveling operation of the turnout base plate of the type. And by adopting the holding type memory, the data stored by the system is not lost due to short power supply, and the data storage reliability is ensured.
And S008, the industrial computer control system 1 generates a switch base plate post-welding leveling process which can be called repeatedly. Therefore, when the turnout base plate is used next time, the quick and efficient automatic leveling operation is realized, the repeated inspection process is omitted, and the leveling efficiency is improved.
(as shown in fig. 2 and 3) an automatic generation system for leveling process parameters of a turnout base plate after welding, wherein the automatic generation system for leveling process parameters of the turnout base plate after welding comprises an industrial computer control system 1, and the industrial computer control system 1 is provided with a holding type memory; the industrial computer control system 1 is in communication connection with the PLC controller 2 through a Profinet bus and exchanges data; the press control unit 3, the measurement control unit 4 and the PLC controller 2 are in communication connection through a Profinet bus to form a computer network and realize logic control and judgment.
The measurement control unit is connected with the input end of the PLC. The output end of the PLC is connected with the input end of the press control unit. The press control unit feeds back the real-time position to the PLC, namely, the press control unit is in interactive communication connection with the PLC. (in conjunction with FIG. 3)
And a Profinet bus is adopted for communication connection. Profinet is a real-time specification that runs on industrial ethernet. Profinet is known collectively as Process Field Net. The automation bus standard is introduced by PROFIBUS International (PI) and is based on industrial ethernet technology. PROFINET provides a complete network solution for the field of automated communications.
PROFINET has communication capability between products of multiple manufacturers, automation and engineering modes, and is optimized for a distributed intelligent automation system. The application result can greatly save the cost of configuration and debugging. PROFINET systems can integrate other bus systems, including Profibus, while providing protection to existing systems.
(see fig. 4 and 5) in the above embodiment, further: the press control unit 3 has an automatic levelling press 31; the automatic leveling press 31 is provided with a measurement control unit 4; the measurement control unit 4 has a plurality of measuring devices 41, and the measuring devices 41 are displacement sensors. Wherein, the measurement control unit 4 is connected with the input end of the PLC controller, and the output end of the PLC controller is connected with the input end of the press control unit 3 (combined with figure 3).
In the above embodiment, further: the automatic leveling press 31 comprises a base 311 which is a horizontal base and provides a horizontal supporting surface for mounting the measuring device, the top block, the first supporting plate and the second supporting plate.
And a vertical top block 312 is arranged at the center of the upper end surface of the base 311 and used for flatly supporting and positioning the bottom end of the turnout base plate.
The left side and the right side of the top block 312 are respectively provided with a first supporting plate 313 and a second supporting plate 314 which are axisymmetric and can be lifted; the first supporting plate and the second supporting plate are driven to lift through a first air cylinder or a hydraulic cylinder and a second air cylinder or a hydraulic cylinder.
In the above embodiment, further: the first supporting plate 313 and the second supporting plate 314 are driven to lift through a first air cylinder, a second air cylinder or a hydraulic cylinder; the briquetting moves the system up and down and includes vertical setting pneumatic cylinder or cylinder, and the piston rod execution end of pneumatic cylinder or cylinder links firmly briquetting device mount pad 315 top in order to drive briquetting device mount pad 315 whole elevating movement.
Six vertical upward measuring devices 41 are arranged on the left side and the right side of the top block 312; the measuring device 41 is arranged in a left-right axis symmetry with the top block 312 as a symmetry axis. The measuring device is used for detecting the flatness of the turnout base plate at multiple points. The number of the measuring devices is adaptively increased or decreased according to the size of the workpiece to be leveled. The measuring device may be one of an optical fiber sensor, a linear displacement sensor, and a distance measuring sensor. Preferably a linear displacement sensor. The measuring device 55 is arranged in a left-right axial symmetry mode by taking the top block 52 as a symmetry axis.
The linear displacement sensor is provided with an automatic telescopic mechanism and is arranged at the telescopic top end of the automatic telescopic mechanism. The automatic telescopic mechanism consists of a sleeve, a sleeve sliding rod and a spring. A sleeve sliding rod is installed in the sleeve in a sliding fit mode, a spring is coaxially installed between the bottom end of the sleeve sliding rod and the inner side wall of the bottom end of the sleeve, and the top end of the sleeve sliding rod is fixedly connected with a linear displacement sensor. The measuring device, namely the linear displacement sensor, adopts an automatic telescopic mechanism to support and install, so that the detection tail end of the sensor can be effectively protected, and the problem of collision and damage of the detection tail end is prevented. And the linear displacement sensor can realize the automatic rebound reset of the measuring device under the reset elasticity of the compression spring after the pressing block is lifted.
Specifically, the method comprises the following steps: the six measuring devices are respectively arranged in a left-right axial symmetry mode by taking the ejector block as a symmetry axis; namely, the left side and the right side of the top block are respectively provided with three measuring devices. And one of the three measuring devices on each side is arranged on the outer side of the first supporting plate or the second supporting plate, and the other two measuring devices are arranged on the inner side of the first supporting plate or the second supporting plate.
A briquetting device mounting seat 315 is arranged above the base 311; the top end of the pressing block device mounting seat 315 is fixedly connected with the bottom end execution tail end of the pressing block up-down moving system. The briquetting moves the system from top to bottom and includes vertical pneumatic cylinder or cylinder that sets up, and the terminal link joint briquetting device mount pad top is carried out to the piston rod of pneumatic cylinder or cylinder in order to drive the whole elevating movement of briquetting device mount pad.
The briquetting device mounting base 315 supports and mounts the left briquetting horizontal moving device 316 and the right briquetting horizontal moving device 317; the left pressing block horizontal moving device and the right pressing block horizontal moving device are adjusted along with the lifting and the displacement of the pressing block device mounting base.
The left pressing block horizontal moving device 316 and the right pressing block horizontal moving device 317 respectively adjust the translation positions of the left pressing block 318 and the right pressing block 319 which face vertically downwards.
In the above embodiment, further: the left briquetting horizontal moving device 316 and the right briquetting horizontal moving device 317 respectively comprise a servo motor 3171, and the servo motor 3171 is connected with and drives a horizontal screw rod 3172 to rotate. The servo motor is connected with and drives the horizontal screw rod to rotate, the left side and the right side of the horizontal screw rod body are respectively rotatably supported and installed through a pair of left bearing seat assembly and right bearing seat assembly, and the briquetting device mounting seat is supported at the bottom of the briquetting device mounting seat and is rotatably supported and installed through the bearing seat assemblies.
The horizontal screw 3172 is screwed and matched with a screw nut 3173, the screw nut 3173 is connected with the top end of a pressing block which is vertically arranged through a bearing seat assembly 3174, and the pressing block drives and adjusts the translation position of the left pressing block 318 or the right pressing block 319 relative to the horizontal screw 3172 through a servo motor 3175.
For driving the pressing block to adjust the horizontal position of the pressing block through the screw rod nut: the bearing inner ring is coaxially sleeved outside the screw nut, the bearing outer ring is fixedly installed in the bearing seat, the bearing seat is fixedly connected with the top of the pressing block into a whole, and the function of adjusting the left and right displacement of the vertical pressing block by translating the vertical pressing block driven by the rotatable screw nut is achieved.
When the servo motor is vertically installed downwards as shown in the figure, the power output shaft of the servo motor is provided with a driving bevel gear in a right-angle transmission structure, the driving bevel gear is meshed with a driven bevel gear, the driven bevel gear is coaxially installed at the shaft end of a horizontal screw rod, and the servo motor drives the horizontal screw rod to rotate through right-angle transmission.
In addition to the above examples: the power output shaft of the servo motor can be coaxially and fixedly installed with the horizontal screw rod, and the power output shaft of the servo motor is coaxially and fixedly connected with the horizontal outer shaft end of the horizontal screw rod through a coupler so as to drive the horizontal screw rod to rotate through the servo motor.
The left and right pressing blocks are adopted to press down, the first and second supporting plates are matched with the central jacking block to lift and press down the turnout base plate, pressing and jacking are combined, and micro-motion pressing correction adjustment is performed on the raised position of the turnout base plate through the left and right pressing blocks which can translate left and right, so that the leveling requirements of high precision and high efficiency are met.
The automatic leveling detection principle of the automatic leveling press 31 is as follows: before detection, the PLC controller controls the first supporting plate and the second supporting plate to horizontally and coplanarly rise and be higher than the upper end face of the jacking block; the turnout base plate is placed at the central positions of the first supporting plate and the second supporting plate; the six detection devices perform primary detection on the turnout base plate and transmit detection data to the PLC; the PLC adjusts the horizontal pressing position of the pressing block through the pressing block horizontal moving device according to the detection result, so that the pressing block moves right above the turnout base plate with the maximum value detected by the six detection devices, the PLC controls the pressing block to move downwards through the pressing block vertical moving system and contact with the turnout base plate, the first supporting plate and the second supporting plate move downwards under pressure, and the six detection devices change at the same speed; the back surface of the turnout base plate is contacted with the top block, the pressing block continues to press the turnout base plate downwards, the change rate and the displacement of the six detection devices are changed, and real-time detection data are transmitted to the PLC; the PLC calculates the difference value between the maximum value and the minimum value of the displacement of the six detection devices, when the difference value is larger than 1mm, the PLC adjusts and moves a pressing block to move horizontally to a position right above a turnout base plate where the maximum difference value detection device is located through a pressing block horizontal moving device, the PLC controls the pressing block to press down again through a pressing block up-down moving system, the pressing block pressing down value again is increased by 0.2mm compared with the last pressing down value, after the pressing block pressing down again is finished, the six detection devices detect the turnout base plate again, if the difference value between the maximum value and the minimum value of the displacement of the six detection devices is still larger than 1mm, the PLC adjusts the pressing block to press down again until the difference value between the maximum value and the minimum value of the displacement of the six detection devices is smaller than or equal to 1 mm.
The measuring device in the automatic leveling press is connected with the input end of the PLC, and the measuring device collects flatness data information in real time. The PLC controller is provided with a measuring device signal conversion processing device which is an A/D converter and is used for converting analog quantity and digital quantity of the measuring device. And the PLC calculates according to the data detected by the measuring devices and calculates the difference value of the six measuring devices. If the difference is larger than 1mm, the flatness is proved to be unqualified; and the PLC outputs a control instruction to control the pressing block to move right above the measuring device with the maximum difference value, the leveling adjustment is pressed down again, and the stroke displacement of the leveling adjustment is increased by 0.2mm compared with the last pressing value. If the difference is less than or equal to 1mm, the flatness is qualified, and the pressing leveling is stopped.
Pressing down and leveling: the output end of the PLC is connected with the lifting control ends of the first supporting plate and the second supporting plate; and the PLC forms a control instruction according to the calculated detection difference value, and controls the height adjustment of the first supporting plate and the second supporting plate through the control instruction. Meanwhile, the output end of the PLC is connected with the control input ends of the left pressing block horizontal moving device and the right pressing block horizontal moving device; and the PLC forms a control instruction according to the detection difference, and controls the left pressing block horizontal moving device and the right pressing block horizontal moving device to adjust the left and right translation positions of the left and right pressing blocks through the control instruction. And the PLC is interactively connected with the pressing block up-and-down moving system. And the PLC forms a control instruction according to the detection difference, controls the stroke of the piston rod of the up-and-down moving system to move up and down through the control instruction, and increases the stroke displacement of the secondary pressing leveling adjustment by 0.2mm compared with the last pressing value, so that the automatic leveling and automatic detection are realized in a reciprocating mode until the process requirements are met.
In conclusion, the automatic leveling process parameter generating system for the post-welding leveling process of the turnout base plates is adopted to automatically generate the corresponding leveling processes according to different turnout base plates, so that the high-efficiency operation of the post-welding automatic leveling control system for turnout base plates of different models aiming at the post-welding automatic leveling processes of the turnout base plates of different models is simplified and realized, the operating efficiency of automatic leveling is effectively improved, and the production efficiency is improved.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (6)

1. The automatic generation method of the post-welding leveling technological parameters of the turnout base plate is characterized by comprising the following steps of:
s001, manually inputting length, width and thickness dimension parameter information of the turnout base plate in an industrial computer control system (1); the industrial computer control system (1) transmits the length, width and thickness dimension parameter information of the turnout base plate to the PLC (2);
s002, the PLC (2) transmits a control instruction to the press control unit (3), the press control unit (3) controls the automatic leveling press (31) to stop when moving to the position right above the turnout pad plate according to the length and width parameter information of the turnout pad plate, and the press control unit (3) stores the position parameter data information of the automatic leveling press (31) when stopping to the PLC (2);
s003, a plurality of measuring devices (41) in the measuring control unit (4) carry out on-line detection on the turnout base plate and transmit the detection result to the PLC (2);
s004, the PLC (2) carries out operation comparison according to the detection result transmitted by the measuring device (41);
s005, if the result obtained after operation comparison of the PLC (2) is out of the process requirement range, the PLC (2) outputs a control instruction to the press control unit (3) according to the comparison result, the press control unit (3) controls the automatic leveling press (31) to adjust the left-right translation position and the pressing stroke of the pressing block according to the control instruction, after the pressing block is translated in place left and right, the press control unit (3) performs multiple constant value accumulation modification on the limit of the pressing stroke of the pressing block of the automatic leveling press (31) according to the comparison result, and multiple constant value accumulation pressing leveling is performed on the turnout base plate through the automatic leveling press (31);
s006, repeating the step S003, the step S004 and the step S005 until the result of the calculation and comparison of the PLC (2) is within the process requirement range, and then stopping pressing and leveling the leveling press (31) automatically;
s007, a PLC (programmable logic controller) outputs a control instruction to control return reset of an automatic leveling press (31), the PLC (2) automatically stores all process parameters after automatic leveling, and all process parameters after leveling are transmitted to a holding type memory of an industrial computer control system (1) to be stored;
and S008, generating a switch base plate post-welding leveling process which can be repeatedly called by the industrial computer control system (1).
2. The automatic generation system for the post-welding leveling technological parameters of the turnout base plate used by the automatic generation method for the post-welding leveling technological parameters of the turnout base plate according to claim 1 is characterized in that: the automatic generation system for the post-welding leveling process parameters of the turnout base plate comprises an industrial computer control system (1), wherein the industrial computer control system (1) is provided with a holding type memory; the industrial computer control system (1) is in communication connection with the PLC controller (2) through a Profinet bus and exchanges data; the press control unit (3), the measurement control unit (4) and the PLC controller (2) are in communication connection through a Profinet bus to form a computer network and realize logic control and judgment.
3. The automatic generation system for the leveling technological parameters of the turnout base plate after welding according to claim 2, characterized in that: the press control unit (3) has an automated levelling press (31); the automatic leveling press (31) is provided with a measurement control unit (4); the measurement control unit (4) has a plurality of measuring devices (41), the measuring devices (41) being displacement sensors.
4. The automatic generation system for the leveling technological parameters of the turnout base plate after welding according to claim 3, characterized in that: the automatic leveling press (31) comprises a base (311), a vertical top block (312) is installed in the center of the upper end face of the base (311), and a first supporting plate (313) and a second supporting plate (314) which are axially symmetrical and can ascend and descend are respectively arranged on the left side and the right side of the top block (312); six vertical upward measuring devices (41) are arranged on the left side and the right side of the top block (312); the measuring device (41) is arranged in a left-right axial symmetry mode by taking the top block (312) as a symmetry axis; a briquetting device mounting seat (315) is arranged above the base (311); the top end of the pressing block device mounting seat (315) is fixedly connected with the bottom end execution tail end of the pressing block up-down moving system; the pressing block device mounting base (315) supports and mounts the left pressing block horizontal moving device (316) and the right pressing block horizontal moving device (317); the left pressing block horizontal moving device (316) and the right pressing block horizontal moving device (317) respectively adjust the translation positions of a left pressing block (318) and a right pressing block (319) which face downwards vertically.
5. The automatic generation system for the leveling technological parameters of the turnout base plate after welding according to claim 4, which is characterized in that: the first supporting plate (313) and the second supporting plate (314) are driven to lift through a first air cylinder, a second air cylinder or a hydraulic cylinder; the briquetting moves the system up and down and includes vertical setting pneumatic cylinder or cylinder, and the piston rod execution end of pneumatic cylinder or cylinder links firmly briquetting device mount pad (315) top in order to drive briquetting device mount pad (315) whole elevating movement.
6. The automatic generation system for the leveling technological parameters of the turnout base plate after welding according to claim 4, which is characterized in that: the left pressing block horizontal moving device (316) and the right pressing block horizontal moving device (317) respectively comprise a servo motor (3171), the servo motor (3171) is connected with and drives a horizontal screw rod (3172) to rotate, a screw nut (3173) is installed in a screwing and matching mode on the horizontal screw rod (3172), the screw nut (3173) is connected with the top end of a vertically installed pressing block through a bearing seat assembly (3174), and the pressing block drives and adjusts the translation position of the left pressing block (318) or the right pressing block (319) relative to the horizontal screw rod (3172) through the servo motor (3171).
CN202110857577.4A 2021-07-28 2021-07-28 Automatic generation system and method for post-welding leveling technological parameters of turnout base plate Pending CN113649435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110857577.4A CN113649435A (en) 2021-07-28 2021-07-28 Automatic generation system and method for post-welding leveling technological parameters of turnout base plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110857577.4A CN113649435A (en) 2021-07-28 2021-07-28 Automatic generation system and method for post-welding leveling technological parameters of turnout base plate

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Publication Number Publication Date
CN113649435A true CN113649435A (en) 2021-11-16

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Application Number Title Priority Date Filing Date
CN202110857577.4A Pending CN113649435A (en) 2021-07-28 2021-07-28 Automatic generation system and method for post-welding leveling technological parameters of turnout base plate

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