Production line calibration system and production line calibration method

Abstract

This invention discloses a production line calibration system and method, relating to the field of equipment calibration technology. The production line calibration system includes a calibration fixture, a conveyor belt, a processing device, and a controller. A first pressure sensor is mounted on the calibration fixture. The conveyor belt transports the calibration fixture. The processing device is located on one side of the conveyor belt and is equipped with a spot welding head and a second pressure sensor. Both the first and second pressure sensors are electrically connected to the controller. The first pressure sensor collects data on the first pressure applied by the spot welding head to the calibration fixture, and the second pressure sensor collects data on the second pressure output by the spot welding head. This invention improves detection accuracy by transporting the calibration fixture on the production line and using the first and second pressure sensors to detect the spot welding head. Furthermore, calibration is only performed when the comparison result is unqualified, thus avoiding wasted production time and improving production efficiency.

Description

Technical Field

[0001] This invention relates to the field of equipment calibration technology, and in particular to a production line calibration system and a production line calibration method. Background Technology

[0002] In assembly line production, a processing device is set up next to the conveyor belt to process the production tooling conveyed on the conveyor belt. The continuous conveyor belt transports the production tooling, allowing the processing device to continuously process the production tooling, thereby realizing assembly line production.

[0003] In the processing equipment, the spot welding head used for welding may experience output pressure issues due to factors such as structural wear, loose installation, or pneumatic or hydraulic system malfunctions during continuous processing. This can lead to a decrease in the processing accuracy of the equipment. To avoid this, the existing technology typically involves stopping the production line at regular intervals and then manually inspecting the processing equipment. However, this method is costly in terms of manpower and resources, reducing inspection efficiency. Furthermore, if the abnormality of the processing equipment is not detected during the production line shutdown, production time is wasted, resulting in reduced production efficiency. Summary of the Invention

[0004] The main objective of this invention is to propose a production line calibration system and method, which aims to solve the problems of reduced inspection efficiency and wasted production time caused by manual inspection in the prior art.

[0005] To achieve the above objectives, the present invention proposes a production line calibration system, comprising:

[0006] A calibration fixture, wherein a first pressure sensor is mounted on the calibration fixture;

[0007] A conveyor belt for transporting the calibration fixture;

[0008] A processing device is disposed on one side of the conveyor belt. The processing device is equipped with a spot welding head and a second pressure sensor, the second pressure sensor being disposed on the spot welding head.

[0009] The controller, wherein both the first pressure sensor and the second pressure sensor are electrically connected to the controller;

[0010] When the conveyor belt transports the calibration fixture to the processing device, the spot welding head applies pressure to the calibration fixture so that the first pressure sensor collects the first pressure data applied by the spot welding head to the calibration fixture and sends the first pressure data to the controller. The second pressure sensor is used to collect the second pressure data output by the spot welding head and send the second pressure data to the controller. The controller is used to receive the first pressure data and the second pressure data, compare the first pressure data and the second pressure data, and calibrate the spot welding head according to the comparison result.

[0011] In one embodiment, the calibration fixture includes a housing, inside which is disposed a circuit board electrically connected to the first pressure sensor. The circuit board is provided with a communication module for electrically connecting to the controller. The first pressure sensor is used to send the first pressure data to the controller through the communication module. The probe of the first pressure sensor extends out of the housing and is used to abut against the output end of the spot welding head.

[0012] In one embodiment, the first pressure sensor is disposed on one side of the circuit board, the communication module is disposed on the side of the circuit board opposite to the first pressure sensor, and the housing is provided with a cover plate corresponding to the position of the communication module, the cover plate being detachably connected to the housing.

[0013] In one embodiment, the processing apparatus further includes a motion platform, on which the spot welding head is mounted;

[0014] The motion platform is used to drive the spot welding head to move horizontally along the conveying direction of the conveyor belt, so that the spot welding head moves closer to or away from the calibration fixture;

[0015] The motion platform is also used to drive the spot welding head to move vertically up and down, so that the spot welding head moves closer to or away from the calibration fixture.

[0016] In one embodiment, the circuit board is also electrically connected to a display screen and control buttons. The display screen is used to display the band of the communication module, and the control buttons are electrically connected to the communication module and used to adjust the band of the communication module. The housing has a display window corresponding to the position of the display screen.

[0017] In one embodiment, the production line calibration system further includes a wireless receiver and a transmitter. The transmitter is electrically connected to the second pressure sensor and the controller. The second pressure data collected by the second pressure sensor is sent to the transmitter, processed by the transmitter, and then sent to the controller.

[0018] The wireless receiver is electrically connected to both the communication module and the controller. The first pressure sensor is used to send the collected first pressure data to the wireless receiver through the communication module, and the wireless receiver is used to send the received first pressure data to the controller.

[0019] In one embodiment, the processing device further includes a motion platform, on which the spot welding head is mounted. The motion platform is used to drive the spot welding head to move along the conveying direction of the conveyor belt or vertically, so that the spot welding head can move toward or away from the calibration fixture.

[0020] In one embodiment, the production line calibration system further includes a barcode scanner electrically connected to the controller. The calibration fixture is provided with a calibration identification code. The conveyor belt is also used to transport production fixtures, which are provided with production identification codes. The barcode scanner is used to identify the production identification code and the calibration identification code and send the identification result to the controller.

[0021] The present invention also provides a pipeline calibration method, applied to the above-mentioned pipeline calibration system, the pipeline calibration method comprising the following steps:

[0022] The calibration fixture is placed on the conveyor belt and transported to the processing device via the conveyor belt;

[0023] The processing device controls the spot welding head to move to the corresponding calibration fixture and applies pressure to the calibration fixture, and collects the second pressure data output by the processing device through the second pressure sensor, and sends the second pressure data to the controller;

[0024] The calibration fixture acquires the first pressure data applied by the spot welding head to the calibration fixture through the first pressure sensor, and sends the first pressure data to the controller;

[0025] The controller compares the first pressure data and the second pressure data;

[0026] If the comparison result is qualified, the conveyor belt and the processing device are controlled to continue processing;

[0027] If the comparison result is unqualified, the conveyor belt and the processing device are stopped, and the spot welding head is calibrated.

[0028] In one embodiment, the production line calibration system further includes a barcode scanner electrically connected to the controller, the calibration fixture is provided with a calibration identification code, and the conveyor belt is also used to transport production fixtures, which are provided with production identification codes.

[0029] The steps of placing the calibration fixture on the conveyor belt and conveying the calibration fixture to the processing device via the conveyor belt include:

[0030] The calibration fixture is placed on the conveyor belt, and the calibration fixture and the production fixture are transported to the processing device by the conveyor belt.

[0031] Prior to the step of the processing device controlling the spot welding head to apply pressure to the calibration fixture, the following is also included:

[0032] The scanner identifies the production identification code and the calibration identification code and sends the identification result to the controller.

[0033] If the identification result is a production identification code, then the processing device performs production processing on the production tooling;

[0034] If the identification result is a calibration identification code, then the step of the processing device controlling the spot welding head to apply pressure to the calibration fixture continues.

[0035] In the technical solution of this invention, a calibration fixture is placed on a conveyor belt, which transports the fixture to the processing device. The spot welding head of the processing device applies pressure to the calibration fixture. A first pressure sensor on the calibration fixture collects the first pressure data applied by the spot welding head and sends it to a controller. A second pressure sensor collects the second pressure data output by the spot welding head and sends it to the controller. The controller then compares the first and second pressure data. If the comparison result is acceptable, the conveyor belt and processing device do not need to be stopped and processing continues. If the comparison result is unacceptable, the conveyor belt and processing device stop to calibrate the spot welding head. This invention, through the design of conveying the calibration fixture on the production line, uses the first pressure sensor on the calibration fixture and the second pressure sensor on the processing device to detect the processing accuracy of the processing device. This eliminates the need for manual inspection, improves detection accuracy, and only stops the machine for calibration when the comparison result is unacceptable. This eliminates the need for machine stoppage for inspection, saves production time, and significantly improves the production efficiency of the production line. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0037] Figure 1 This is a schematic diagram of the structure of a production line calibration system provided in an embodiment of the present invention;

[0038] Figure 2 An exploded view of the calibration fixture of a production line calibration system provided in an embodiment of the present invention;

[0039] Figure 3 This is a flowchart of a pipeline calibration method provided in an embodiment of the present invention.

[0040] Explanation of icon numbers:

[0041] 100. Production line calibration system; 1. Calibration fixture; 11. First pressure sensor; 111. Probe; 12. Housing; 121. Display window; 122. Cover plate; 123. First housing; 124. Second housing; 1241. Mounting cavity; 125. Viewing window filter; 13. Circuit board; 131. Display screen; 132. Control button; 14. Communication module; 2. Conveyor belt; 3. Processing device; 31. Second pressure sensor; 32. Spot welding device; 321. Spot welding head; 322. Motion platform; 4. Controller; 5. Wireless receiver; 6. Transmitter; 7. Barcode scanner; 8. Production fixture.

[0042] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely one partial embodiment of the present invention, and not the entire embodiment. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of each shell in a certain specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0045] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0046] In the processing equipment, the spot welding head used for welding may experience output pressure issues due to factors such as structural wear, loose installation, or pneumatic or hydraulic system malfunctions during continuous processing. This can lead to a decrease in the processing accuracy of the equipment. To avoid this, the existing technology typically involves stopping the production line at regular intervals and then manually inspecting the processing equipment. However, this method is costly in terms of manpower and resources, reducing inspection efficiency. Furthermore, if the abnormality of the processing equipment is not detected during the production line shutdown, production time is wasted, resulting in reduced production efficiency.

[0047] Please combine Figure 1 and Figure 2To address the aforementioned problems, this invention proposes a production line calibration system 100, comprising a calibration fixture 1, a conveyor belt 2, a processing device 3, and a controller 4. The calibration fixture 1 is equipped with a first pressure sensor 11. The conveyor belt 2 transports the calibration fixture 1. The processing device 3 is located on one side of the conveyor belt 2 and is equipped with a spot welding head 321 and a second pressure sensor 31, which is mounted on the spot welding head 321. Both the first pressure sensor 11 and the second pressure sensor 31 are electrically connected to the controller 4. The conveyor belt 2 transports the calibration fixture 1 to the designated location. When the processing device 3 is used, the spot welding head 321 applies pressure to the calibration fixture 1 so that the first pressure sensor 11 collects the first pressure data applied by the spot welding head 321 to the calibration fixture 1 and sends the first pressure data to the controller 4. The second pressure sensor 31 is used to collect the second pressure data output by the spot welding head 321 and send the second pressure data to the controller 4. The controller 4 is used to receive the first pressure data and the second pressure data, compare the first pressure data and the second pressure data, and calibrate the spot welding head 321 according to the comparison result.

[0048] It should be noted that the first pressure data is the actual output working data of the spot welding head 321, while the second pressure data is the rated data set by the spot welding head 321. The actual output of the spot welding head 321 is affected by many factors, so the actual output working data will deviate from the rated data. Therefore, the working status of the spot welding head 321 can be judged by comparing the first pressure data and the second pressure data. If the two deviate too much, it indicates that the spot welding head 321 of the processing device 3 is abnormal and needs to be stopped for inspection and calibration.

[0049] In the technical solution of the present invention, a calibration fixture 1 is placed on a conveyor belt 2, and the conveyor belt 2 transports the calibration fixture 1 to a processing device 3. The spot welding head 321 of the processing device 3 applies pressure to the calibration fixture 1. The first pressure sensor 11 on the calibration fixture 1 collects the first pressure data applied by the spot welding head 321 to the calibration fixture 1 and sends the first pressure data to the controller 4. The second pressure sensor 31 collects the second pressure data output by the spot welding head 321 and sends the second pressure data to the controller 4. Then the controller 4 compares the first pressure data and the second pressure data. If the comparison result is qualified, the conveyor belt 2 and the processing device 3 do not need to be stopped and continue processing. If the comparison result is unqualified, the conveyor belt 2 and the processing device 3 stop and the spot welding head 321 of the processing device 3 is calibrated. This invention, through the design of a calibration fixture 1 conveyed on the production line, uses a first pressure sensor 11 on the calibration fixture 1 and a second pressure sensor 31 on the processing device 3 to detect the processing accuracy of the processing device 3. This eliminates the need for manual inspection, improves detection accuracy, and only stops the machine for calibration when the comparison result is unqualified. This eliminates the need for machine downtime for inspection, avoids wasting production time, and significantly improves the production efficiency of the production line.

[0050] In one embodiment, the calibration fixture 1 includes a housing 12, inside which is disposed a circuit board 13 electrically connected to a first pressure sensor 11. The circuit board 13 is provided with a communication module 14 for electrically connecting to a controller 4. The first pressure sensor 11 is used to send first pressure data to the controller 4 through the communication module 14. The probe 111 of the first pressure sensor 11 extends out of the housing 12 and is used to abut against the output end of the spot welding head 321.

[0051] By setting the circuit board 13 and communication module 14 inside the housing 12, data transmission between the first pressure sensor 11 and the controller 4 can be realized, ensuring that the collected first pressure data can be uploaded in real time and participate in comparative analysis. The probe 111 of the first pressure sensor 11 extends out of the housing 12 and directly abuts against the output end of the spot welding head 321, which can more accurately collect the pressure data actually applied by the spot welding head 321 to the calibration fixture 1, avoid measurement deviation caused by interference from the housing 12 or other structures, thereby improving the authenticity and reliability of the data. At the same time, it realizes efficient detection of the welding pressure accuracy of the spot welding device 32, ensuring the stability and consistency of spot welding quality during the production process.

[0052] In one embodiment, the first pressure sensor 11 is disposed on one side of the circuit board 13, the communication module 14 is disposed on the side of the circuit board 13 away from the first pressure sensor 11, and the housing 12 is provided with a cover plate 122 corresponding to the position of the communication module 14, and the cover plate 122 is detachably connected to the housing 12.

[0053] By placing the first pressure sensor 11 and the communication module 14 on opposite sides of the circuit board 13, spatial interference between the two can be effectively avoided, ensuring the stability of signal acquisition and transmission. The housing 12 is provided with a cover plate 122 corresponding to the position of the communication module 14, and adopts a detachable connection structure. This allows the cover plate 122 to be easily removed when needed for maintenance, replacement or upgrade of the communication module 14, or to remove the cover plate 122 to improve the signal transmission effect of the communication module 14. It also provides protection for the communication module 14 under normal working conditions, preventing damage to it from the external environment, thereby improving the reliability and service life of the calibration fixture 1, and enhancing the maintainability and flexibility of the system.

[0054] In one embodiment, the housing 12 includes a first housing 123 and a second housing 124 that are spliced ​​together. The first housing 123 is provided with a cover plate 122 at the position corresponding to the communication module 14. The second housing 124 is recessed in the direction away from the first housing 123 to form a mounting cavity 1241. The circuit board 13 is installed in the mounting cavity 1241. The first housing 123 covers the second housing 124 to seal the mounting cavity 1241.

[0055] The outer casing 12 is composed of a split first outer casing 123 and a second outer casing 124, which facilitates the installation of the circuit board 13 and other structures inside the outer casing 12. The circuit board 13 is sealed in the mounting cavity 1241 by the first outer casing 123 and the second outer casing 124, protecting the circuit board 13 from damage caused by the external environment and extending the service life of the circuit board 13.

[0056] In one embodiment, the circuit board 13 is also electrically connected to a display screen 131 and a control button 132. The display screen 131 is used to display the band of the communication module 14, and the control button 132 is electrically connected to the communication module 14 and is used to adjust the band of the communication module 14. The housing 12 has a display window 121 at the position corresponding to the display screen 131.

[0057] The operating band of the communication module 14 can be displayed intuitively on the display screen 131, making it easy for the operator to monitor the communication status in real time. The band of the communication module 14 can be flexibly adjusted through the control button 132 to adapt to different usage environments and needs, thereby enhancing the adaptability and stability of the system. The display window 121 opened on the outer casing 12 at the position corresponding to the display screen 131 ensures the visibility of the displayed information, while also ensuring the overall protection of the outer casing 12, thus improving the practicality and convenience of the system.

[0058] Furthermore, a viewing filter 125 is provided at the display window 121 to improve the display effect of the display screen 131.

[0059] In one embodiment, the production line calibration system 100 further includes a wireless receiver 5 and a transmitter 6. The transmitter 6 is electrically connected to the second pressure sensor 31 and the controller 4. The second pressure data collected by the second pressure sensor 31 is sent to the transmitter 6 and processed by the transmitter 6 before being sent to the controller 4. The wireless receiver 5 is electrically connected to both the communication module 14 and the controller 4. The first pressure sensor 11 is used to send the collected first pressure data to the wireless receiver 5 through the communication module 14. The wireless receiver 5 is used to send the received first pressure data to the controller 4.

[0060] The transmitter 6 processes the second pressure data collected by the second pressure sensor 31 before sending it to the controller 4, which improves the stability and anti-interference ability of the signal and ensures that the second pressure data received by the controller 4 is more accurate. With the cooperation of the wireless receiver 5 and the communication module 14, the first pressure data can be transmitted wirelessly, avoiding the wiring limitations and maintenance inconvenience caused by complex wired connections, improving the flexibility and scalability of the system, and ensuring the reliability of data transmission. This further improves the detection efficiency and ease of use of the production line calibration system 100 in the application scenario of the spot welding device 32.

[0061] In one embodiment, the processing device 3 further includes a motion platform 322, on which a spot welding head 321 is mounted. The motion platform 322 is used to drive the spot welding head 321 to move along the conveying direction of the conveyor belt 2 so that the spot welding head 321 can approach or move away from the calibration fixture 1. The motion platform 322 is also used to drive the spot welding head 321 to move vertically up and down so that the spot welding head 321 can approach or move away from the calibration fixture 1.

[0062] The motion platform 322 can drive the spot welding head 321 to move in more angles and directions, so that the spot welding head 321 can perform processing welding or alignment inspection more flexibly when facing different production tooling 8 or calibration tooling 1.

[0063] In one embodiment, the production line calibration system 100 further includes a barcode scanner 7 electrically connected to the controller 4. The calibration fixture 1 is provided with a calibration identification code. The conveyor belt 2 is also used to transport the production fixture 8, which is provided with a production identification code. The barcode scanner 7 is used to identify the production identification code and the calibration identification code and send the identification result to the controller 4.

[0064] By setting calibration identification codes and production identification codes on calibration fixture 1 and production fixture 8 respectively, and using barcode scanner 7 to identify the production identification codes and calibration identification codes, the controller 4 can accurately distinguish whether the equipment currently being transported to the processing device 3 is production fixture 8 or calibration fixture 1. This triggers the detection process when calibration fixture 1 passes by, and executes the normal production process when production fixture 8 passes by, effectively avoiding downtime or missed detection due to misjudgment, ensuring that the automated operation logic of the system is clear and reliable, and improving the intelligence level of the production line and the overall production efficiency.

[0065] Please combine Figure 1 and Figure 3 The present invention also provides a pipeline calibration method, applied to the above-mentioned pipeline calibration system 100, the pipeline calibration method comprising the following steps:

[0066] S100: Place the calibration fixture on the conveyor belt and transport the calibration fixture to the processing device via the conveyor belt;

[0067] There is no need to stop the conveyor belt 2 and the processing device 3. The calibration fixture 1 can be placed directly on the conveyor belt 2 and moved to the position of the processing device 3 along the production line via the conveyor belt 2.

[0068] S200: The processing device controls the spot welding head to move to the corresponding calibration fixture and applies pressure to the calibration fixture, and collects the second pressure data output by the processing device through the second pressure sensor, and the second pressure sensor sends the second pressure data to the controller;

[0069] The processing device 3 controls the spot welding head 321 to move to the position of the corresponding calibration fixture 1, so that the spot welding head 321 is facing the calibration fixture 1, and applies pressure to the calibration fixture 1. Only pressure needs to be applied to the calibration fixture 1, without welding operation, so as to detect the output pressure of the spot welding head.

[0070] S300: The calibration fixture acquires the first pressure data applied by the spot welding head to the calibration fixture through the first pressure sensor, and sends the first pressure data to the controller;

[0071] S400: The controller compares the first pressure data and the second pressure data;

[0072] After receiving the first pressure data collected by the first pressure sensor 11 and the second pressure data collected by the second pressure sensor, the controller 4 compares and analyzes the two sets of data to determine whether the processing accuracy of the processing device 3 meets the requirements.

[0073] S500: If the comparison result is qualified, control the conveyor belt and the processing device to continue processing;

[0074] S600: If the comparison result is unqualified, control the conveyor belt and the processing device to stop, and calibrate the processing device.

[0075] In specific comparisons, the two usually have an error range. If the result is within the error range, the comparison result is considered acceptable. If the result is outside the error range, the error of the processing device 3 is considered too large and needs to be calibrated, otherwise it will affect the production quality.

[0076] This invention uses a calibration fixture 1 conveyed on an assembly line to detect the processing accuracy of the processing device 3 by means of a first pressure sensor 11 on the calibration fixture 1 and a second pressure sensor 31 on the processing device 3. This eliminates the need for manual inspection, improves detection accuracy, and only stops the machine for calibration when the comparison result is unqualified. This eliminates the need for machine downtime for inspection, avoids wasting production time, and significantly improves the production efficiency of the assembly line.

[0077] In one embodiment, the production line calibration system 100 further includes a barcode scanner 7 electrically connected to the controller 4, a calibration identification code is provided on the calibration fixture 1, and the conveyor belt 2 is also used to transport the production fixture 8, which is provided with a production identification code.

[0078] Step S100 includes:

[0079] S110: Place the calibration fixture on the conveyor belt, and transport the calibration fixture and the production fixture to the processing device via the conveyor belt;

[0080] The conveyor belt 2 simultaneously transports the production tooling 8 and the calibration tooling 1, eliminating the need for a separate conveyor belt 2 for the calibration tooling 1. Furthermore, placing the calibration tooling 1 will not affect the processing of the preceding production tooling 8, thus significantly improving production efficiency.

[0081] The steps preceding step S200 also include:

[0082] S190: The scanner identifies the production identification code and the calibration identification code and sends the identification result to the controller;

[0083] Before the calibration fixture 1 or the production fixture 8 arrives at the processing device 3, the barcode scanner 7 reads the calibration identification code or production identification code on the calibration fixture 1 or the production fixture 8, determines whether the current fixture is the production fixture 8 or the calibration fixture 1, and transmits the result to the controller 4. The controller 4 controls the subsequent operations of the processing device 3 and the conveyor belt 2 according to the identification result.

[0084] S191: If the identification result is a production identification code, then the processing device performs production processing on the production tooling;

[0085] When the tooling type is production tooling 8, the controller 4 controls the processing device 3 to execute the production process normally, that is, to weld the production tooling 8 while pressing down, so as to ensure the continuous processing of the production tooling 8 and maintain the efficient operation of the production line.

[0086] S192: If the identification result is a calibration identification code, then continue to execute step S200.

[0087] When the tooling type is calibration tooling 1, the controller 4 triggers the spot welding head 321 of the processing device 3 to only press down, without performing welding operations. The first pressure sensor 11 and the second pressure sensor 31 respectively collect the first pressure data applied by the processing device 3 to the calibration tooling 1 and the output second pressure data, and transmit the data to the controller 4 for comparison. Through the design of calibration identification codes and production identification codes, it is ensured that the calibration tooling 1 can accurately trigger the calibration process in the production line without manual intervention, ensuring real-time monitoring of the processing accuracy of the processing device 3, improving the stability and reliability of the production process, and only stopping the machine for calibration when necessary, thus optimizing the efficiency of the production line.

[0088] The above are merely optional embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made under the concept of the present invention using the contents of the specification and drawings of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A pipelined calibration system, characterized by, The pipeline calibration system comprises: a calibration tool, wherein a first pressure sensor is arranged on the calibration tool; a conveying belt, wherein the calibration tool is conveyed by the conveying belt; a processing device, wherein a spot welding head and a second pressure sensor are arranged on one side of the conveying belt, and the second pressure sensor is arranged on the spot welding head; a controller, wherein the first pressure sensor and the second pressure sensor are electrically connected to the controller; when the calibration tool is conveyed to the processing device by the conveying belt, the spot welding head applies pressure to the calibration tool, so that the first pressure sensor collects first pressure data applied by the spot welding head to the calibration tool and sends the first pressure data to the controller, the second pressure sensor is used to collect second pressure data output by the spot welding head and send the second pressure data to the controller, the controller is used to receive the first pressure data and the second pressure data, compare the first pressure data and the second pressure data, and calibrate the spot welding head according to the comparison result.

2. The pipelined calibration system of claim 1, wherein, The calibration tool comprises a shell, wherein a circuit board electrically connected to the first pressure sensor is arranged in the shell, a communication module electrically connected to the controller is arranged on the circuit board, the first pressure sensor is used to send the first pressure data to the controller through the communication module, and a probe of the first pressure sensor extends out of the shell and is used to abut against an output end of the spot welding head.

3. The pipelined calibration system of claim 2, wherein, The first pressure sensor is arranged on one side of the circuit board, the communication module is arranged on a side of the circuit board away from the first pressure sensor, the shell is provided with a cover plate corresponding to the position of the communication module, and the cover plate is detachably connected to the shell.

4. The pipelined calibration system of claim 3, wherein, The shell comprises a first shell and a second shell which are spliced with each other, the first shell is provided with the cover plate corresponding to the position of the communication module, the second shell is recessed in a direction away from the first shell to form a mounting cavity, the circuit board is mounted in the mounting cavity, and the first shell covers the second shell to block the mounting cavity.

5. The pipelined calibration system of claim 2, wherein, A display screen and a control button are further electrically connected to the circuit board, the display screen is used to display a wave band of the communication module, the control button is electrically connected to the communication module and is used to adjust the wave band of the communication module, and the shell is provided with a display window corresponding to the position of the display screen.

6. The pipelined calibration system of any of claims 2 to 5, wherein, The pipeline calibration system further comprises a wireless receiver and a transmitter, the transmitter is electrically connected to the second pressure sensor and the controller, the second pressure data collected by the second pressure sensor is sent to the transmitter and then sent to the controller after being processed by the transmitter; the wireless receiver is electrically connected to the communication module and the controller, the first pressure sensor is used to send the collected first pressure data to the wireless receiver through the communication module, and the wireless receiver is used to send the received first pressure data to the controller.

7. The pipelined calibration system of any of claims 1 to 5, wherein, The processing device further comprises a moving platform, and the spot welding head is mounted on the moving platform; The moving platform is configured to drive the spot welding head to move horizontally along the conveying direction of the conveying belt to move the spot welding head closer to or farther away from the calibration tooling; The moving platform is further configured to drive the spot welding head to move vertically to move the spot welding head closer to or farther away from the calibration tooling.

8. The pipelined calibration system of any of claims 1 to 5, wherein, The pipeline calibration system further comprises a code scanner electrically connected to the controller, the calibration tooling is provided with a calibration identification code, the conveying belt is further configured to convey a production tooling, the production tooling is provided with a production identification code, and the code scanner is configured to identify the production identification code and the calibration identification code and send the identification result to the controller.

9. A method of pipeline calibration, the method comprising: The pipeline calibration method is applied to the pipeline calibration system according to any one of claims 1 to 8, and comprises the following steps: placing the calibration tooling on the conveying belt and conveying the calibration tooling to the processing device by the conveying belt; the processing device controls the spot welding head to move to the calibration tooling and apply pressure to the calibration tooling, and the second pressure sensor collects second pressure data output by the processing device and sends the second pressure data to the controller; the calibration tooling collects first pressure data applied by the spot welding head to the calibration tooling by the first pressure sensor and sends the first pressure data to the controller; the controller compares the first pressure data and the second pressure data; if the comparison result is qualified, the conveying belt and the processing device continue to process; if the comparison result is unqualified, the conveying belt and the processing device stop, and the spot welding head is calibrated.

10. The method of pipeline calibration of claim 9, wherein, The pipeline calibration system further comprises a code scanner electrically connected to the controller, the calibration tooling is provided with a calibration identification code, the conveying belt is further configured to convey a production tooling, the production tooling is provided with a production identification code, and the code scanner is configured to identify the production identification code and the calibration identification code and send the identification result to the controller. The step of placing the calibration tooling on the conveying belt and conveying the calibration tooling to the processing device by the conveying belt comprises: placing the calibration tooling on the conveying belt and conveying the calibration tooling and the production tooling to the processing device by the conveying belt; The processing device controls the spot welding head to apply pressure to the calibration tooling, and the step further comprises: identifying the production identification code and the calibration identification code by the code scanner and sending the identification result to the controller; if the identification result is the production identification code, the processing device processes the production tooling; if the identification result is the calibration identification code, the step of the processing device controlling the spot welding head to apply pressure to the calibration tooling is continued.

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