Automobile pressure sensor processing technology

Abstract

The invention discloses an automobile pressure sensor processing technology, and relates to the technical field of automobile pressure sensors. Comprising the following steps: S1, raw material preparation and micromachining: selecting and processing a raw material, and carrying out photoetching, etching and thin film deposition micromachining processes to lay a foundation for manufacturing a sensor element; s2, manufacturing and calibrating a sensing element: manufacturing a sensor core element, and performing accurate calibration to ensure that the performance of the sensor core element meets the requirement; s3, manufacturing and packaging a shell: manufacturing the shell through a processing mold according to the working environment design of the sensor, and packaging a sensor element in the shell by using a proper packaging process to ensure the stability; and S4, function and environment testing: performing function testing, environment adaptability testing and reliability testing on the sensor. Through cooperative use of the driving assembly, the jacking assembly and the auxiliary assembly, it is ensured that the pressure sensor shell is accurate and errorless in the forming and taking-out process, damage is avoided, and the taking-out efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile pressure sensors, in particular to a processing technology for automobile pressure sensors. Background Art

[0002] A pressure sensor is a device or apparatus that can sense pressure signals and convert them into usable output electrical signals according to certain rules. Pressure sensors are the most commonly used sensors in industrial practice. They are widely used in various industrial automatic control environments, involving many industries such as water conservancy and hydropower, railway transportation, and intelligent buildings.

[0003] In the prior art, a Chinese patent with publication number "CN221314908U" discloses a pressure sensor processing mold, which is provided with a card block A and a card block B and a sliding plate. After processing and forming between an upper mold and a lower mold, when the upper mold is separated from the lower mold, the sliding plate will drive the sliding plate to rise on the inner wall of the lower mold, so that the pressure sensor is ejected from the inner wall of the lower mold by the ejector pin. It does not need to be removed manually, which is more convenient to use and solves the problem that the existing pressure sensor is inconvenient to remove from the lower module.

[0004] In the process of processing the existing automobile pressure sensor, it is necessary to use a processing mold to manufacture the pressure sensor housing. As in the scheme described above, the pressure sensor is ejected from the inner wall of the lower mold by an ejector pin. However, during the ejection process, due to the certain adhesion between the pressure sensor housing and the molding groove, direct application of external force may cause deformation or damage to the housing, especially when the external force is uneven or too large, which may cause structural damage to the housing. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a processing technology for an automobile pressure sensor, which solves the problems mentioned in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A process for processing an automobile pressure sensor comprises the following steps: S1. Raw material preparation and micro-machining: Select and process raw materials, perform photolithography, etching, and thin film deposition micro-machining processes to lay the foundation for the manufacture of sensor components; S2. Sensor component manufacturing and calibration: Make the sensor core components and perform precise calibration to ensure that their performance meets the requirements; S3, Shell manufacturing and packaging: Design the shell according to the working environment of the sensor by processing the mold, and use the appropriate packaging process to encapsulate the sensor element in the shell to ensure stability; S4. Function and environment test: Perform function test, environmental adaptability test and reliability test on the sensor to verify its performance in actual application; S5, Quality Control and Final Assembly and Packaging: Conduct strict quality inspection and screening to ensure qualified products, and prepare for shipment through final assembly and packaging; Wherein, the processing mold in S3 comprises a support plate, on which symmetrically arranged side plates are fixedly installed, a horizontal plate is fixedly installed between two side plates, a driving assembly is arranged on the horizontal plate, an upper module is arranged on the driving assembly, and a lower module is fixedly installed on the support plate and between the two side plates; The upper module is provided with a filling port, the upper end surface of the lower module is provided with a forming groove, and the inner bottom of the forming groove is provided with a U-shaped top plate; A lifting component is arranged inside the lower module, and an auxiliary component is arranged on the side plate. The lifting component cooperates with the auxiliary component to facilitate ejecting the sensor housing in the molding groove.

[0007] Preferably, the driving assembly includes a hydraulic cylinder fixedly mounted on a horizontal plate, the output shaft of the hydraulic cylinder is fixedly mounted with a connecting block, a lifting plate is fixedly mounted on the connecting block, a connecting vertical plate is fixedly mounted on the lower end surface of the lifting plate, a limiting block is fixedly mounted on the side end surface of the lifting plate, and limiting grooves are provided on both side plates.

[0008] Preferably, the number of the connecting vertical plates is two, the bottom ends of the connecting vertical plates are fixedly mounted on the upper end surface of the upper module, and the limiting blocks are slidably connected to the limiting grooves.

[0009] Preferably, the lifting assembly includes a lifting groove opened on the lower module, a lifting block is slidably installed inside the lifting groove, a stabilizing slider is fixedly installed on the side end surface of the lifting block, a stabilizing slide groove is opened inside the lifting groove, and a lifting spring is fixedly connected to the lower surface of the lifting block.

[0010] Preferably, an electric push rod is fixedly mounted on the bracket plate, a lifting block is fixedly mounted on the output shaft of the electric push rod, a positioning slide block is fixedly mounted on the side end surface of the lifting block, and a positioning slide groove is provided inside the lifting groove and below the stabilizing slide groove.

[0011] Preferably, the top end of the lifting block is fixedly connected to the lower end surface of the U-shaped top plate, the stabilizing slider is slidably connected to the stabilizing slot, the electric push rod and the lifting slot are in the same vertical direction, and the positioning slider is slidably connected to the positioning slot.

[0012] Preferably, the side panel is fixedly mounted with an exhaust pipe, a push rod is movably mounted on the exhaust pipe, a push plate is fixedly mounted on one end of the push rod away from the exhaust pipe, the exhaust port of the exhaust pipe is fixedly connected with an exhaust pipe, an end of the exhaust pipe away from the exhaust pipe is fixedly connected with a diversion pipe, a push groove is provided on the side end surface of the lower module, the exhaust pipe is fixedly connected with an intake pipe, and both the intake pipe and the outlet pipe are provided with a one-way valve.

[0013] Preferably, the end of the push plate is fixedly mounted on the stabilizing slider, the push plate is slidably connected to the stabilizing slider, and the end of the diverter pipe away from the air outlet pipe extends to the inside of the forming groove and is located below the U-shaped top plate.

[0014] Preferably, the auxiliary component includes a mounting vertical plate fixedly mounted on the lifting plate, arc-shaped protrusions of different volumes are fixedly mounted on the mounting vertical plate, symmetrically arranged connecting frame plates are fixedly mounted on the inner side surfaces of the side plates, a mounting groove is provided inside the connecting frame plate, a connecting shaft is rotatably mounted inside the mounting groove, a positioning ring is fixedly mounted on the connecting shaft, a torsion spring is fixedly connected to the positioning ring, and a V-shaped knocking plate is fixedly mounted on the end of the connecting shaft away from the mounting groove.

[0015] Preferably, the positioning ring is rotatably mounted inside the mounting groove, one end of the torsion spring away from the positioning ring is fixedly connected inside the mounting groove, and the arc-shaped protrusions of different volumes are in uniform sliding contact with the tail end of the V-shaped knocking plate.

[0016] The present invention provides a processing technology for automobile pressure sensor. Compared with the prior art, it has the following beneficial effects: 1. The present invention drives the lifting plate on the connecting block by a hydraulic cylinder, and utilizes the cooperation between the limit block and the limit groove to make the connecting vertical plate on the lifting plate move vertically downward, and utilizes the upper module to facilitate pressing the raised U-shaped top plate into the inside of the forming groove, and at the same time, the upper module fits with the lower module, and then the raw material is added into the inside of the forming groove through the filling port. After the pressure sensor housing in the forming groove is formed, the lifting plate is driven to rise by the hydraulic cylinder, and the U-shaped top plate will facilitate ejecting the pressure sensor housing on the U-shaped top plate from the forming groove through the reaction force of the lifting spring and the action of the lifting block; 2. In order to ensure that the lifting spring can effectively use the U-shaped top plate to push out the pressure sensor housing, when the upper module and the lower module are fitted together, the lifting block is driven to move by the electric push rod, and the positioning slider is used to slide in the positioning slide groove, so that the lifting block is adjusted in the lifting groove, and the elastic force of the lifting spring is adjusted by the lifting block to ensure that the lifting spring can effectively lift the sensor housing on the U-shaped top plate from the forming groove; 3. In the present invention, when the stabilizing slider follows the lifting block to rise, the push plate on the stabilizing slider drives the piston on the push rod to move in the exhaust pipe, and the gas in the exhaust pipe enters the shunt pipe through the outlet pipe, and the gas in the shunt pipe enters the inside of the forming groove, and the airflow in the forming groove quickly enters between the sensor housing and the U-shaped top plate and the forming groove, ensuring that the sensor housing will not be damaged during the removal process; 4. In the present invention, when the lifting plate is raised, the mounting plate will be driven to rise synchronously. When the mounting plate is raised, the arc-shaped protrusions of different volumes will come into sliding contact with the tail end of the V-shaped knocking plate. The V-shaped knocking plate will utilize the torsion of the torsion spring to swing back and forth around the connecting shaft. The end of the V-shaped knocking plate will repeatedly knock the end face of the lower module. The vibration force generated by the V-shaped knocking plate will be transmitted to the lower module and the U-shaped top plate, thereby further improving the efficiency of removing the sensor housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ; Figure 3 Schematic diagram of the internal structure of the lower module in the present invention; Figure 4 for Figure 3 The enlarged view of point A in the middle; Figure 5 It is a front cross-sectional view of the lower module of the present invention; Figure 6 is a side sectional view of the lower module of the present invention; Figure 7 It is a structural schematic diagram of the auxiliary components in the present invention; Figure 8 It is a cross-sectional view of the connecting frame plate in the present invention.

[0018] In the figure: 1. bracket plate; 2. side plate; 3. horizontal plate; 4. upper module; 5. lower module; 6. filling port; 7. forming groove; 8. U-shaped top plate; 9. hydraulic cylinder; 10. connecting block; 11. lifting plate; 12. connecting vertical plate; 13. limiting block; 14. limiting groove; 15. lifting groove; 16. lifting block; 17. stabilizing slider; 18. stabilizing slide groove; 19. lifting spring; 20. electric push rod; 21. Lifting block; 22. Positioning slider; 23. Positioning slide groove; 24. Exhaust pipe; 25. Push rod; 26. Push plate; 27. Exhaust pipe; 28. Diverter pipe; 29. ​​Push groove; 30. Inlet pipe; 31. One-way valve; 32. Mounting plate; 33. Arc-shaped protrusion; 34. Connecting frame plate; 35. Mounting groove; 36. Connecting shaft; 37. Positioning ring; 38. Torsion spring; 39. V-shaped knock plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-8 The present invention is a processing technology for an automobile pressure sensor, comprising the following steps: S1. Raw material preparation and micro-machining: Select and process raw materials, perform photolithography, etching, and thin film deposition micro-machining processes to lay the foundation for the manufacture of sensor components; S2. Sensor component manufacturing and calibration: Make the sensor core components and perform precise calibration to ensure that their performance meets the requirements; S3, Shell manufacturing and packaging: Design the shell according to the working environment of the sensor by processing the mold, and use the appropriate packaging process to encapsulate the sensor element in the shell to ensure stability; S4. Function and environment test: Perform function test, environmental adaptability test and reliability test on the sensor to verify its performance in actual application; S5, Quality Control and Final Assembly and Packaging: Conduct strict quality inspection and screening to ensure qualified products, and prepare for shipment through final assembly and packaging; Among them, the processing mold in S3 includes a bracket plate 1, on which symmetrically arranged side plates 2 are fixedly installed, a transverse plate 3 is fixedly installed between the two side plates 2, a driving assembly is arranged on the transverse plate 3, an upper module 4 is arranged on the driving assembly, a lower module 5 is fixedly installed on the bracket plate 1 and between the two side plates 2, a filling port 6 is provided on the upper module 4, a molding groove 7 is provided on the upper end surface of the lower module 5, and a U-shaped top plate 8 is provided at the inner bottom of the molding groove 7; A lifting assembly is provided inside the lower module 5, and an auxiliary assembly is provided on the side plate 2. The lifting assembly cooperates with the auxiliary assembly to facilitate the ejection of the sensor housing in the molding groove 7. The driving assembly includes a hydraulic cylinder 9 fixedly mounted on the cross plate 3, and a connecting block 10 is fixedly mounted on the output shaft of the hydraulic cylinder 9. A lifting plate 11 is fixedly mounted on the connecting block 10. A connecting vertical plate 12 is fixedly mounted on the lower end surface of the lifting plate 11, and a limiting block 13 is fixedly mounted on the side end surface of the lifting plate 11. Limiting grooves 14 are provided on both side plates 2. There are two connecting vertical plates 12. The bottom end of the connecting vertical plate 12 is fixedly mounted on the upper end surface of the upper module 4. The limiting block 13 is slidably connected to the limiting groove 14. The limiting block 13 slides in the limiting groove 14 to ensure that the lifting plate 11 is in the vertical direction. Movement, no positional displacement phenomenon occurs; The jacking assembly includes a jacking groove 15 provided on the lower module 5, a jacking block 16 is slidably installed inside the jacking groove 15, a stabilizing slide block 17 is fixedly installed on the side end surface of the jacking block 16, a stabilizing slide groove 18 is provided inside the jacking groove 15, a jacking spring 19 is fixedly connected to the lower pad surface of the jacking block 16, an electric push rod 20 is fixedly installed on the bracket plate 1, a lifting block 21 is fixedly installed on the output shaft of the electric push rod 20, a positioning slide block 22 is fixedly installed on the side end surface of the lifting block 21, and the jacking groove 15 is provided with a stabilizing slide groove 18. A positioning slot 23 is provided inside and below the stabilizing slot 18, the top of the lifting block 16 is fixedly connected to the lower end surface of the U-shaped top plate 8, the stabilizing slider 17 is slidably connected to the stabilizing slot 18, the electric push rod 20 and the lifting slot 15 are in the same vertical direction, and the positioning slider 22 is slidably connected to the positioning slot 23. The stabilizing slider 17 slides in the stabilizing slot 18 and the positioning slider 22 slides in the positioning slot 23, ensuring that the lifting block 16 and the lifting block 21 are in the vertical direction.

[0021] In this embodiment, the lifting plate 11 on the connecting block 10 is driven by the hydraulic cylinder 9, and the connection vertical plate 12 on the lifting plate 11 is moved vertically downward by the cooperation of the limit block 13 and the limit groove 14. The upper module 4 is used to press the raised U-shaped top plate 8 into the inside of the forming groove 7. At the same time, the upper module 4 is fitted with the lower module 5, and then the raw material is added into the inside of the forming groove 7 through the filling port 6. After the pressure sensor housing in the forming groove 7 is formed, the lifting plate 11 is driven to rise by the hydraulic cylinder 9, and the U-shaped top plate 8 will be pressed into the inside of the forming groove 7 by the reaction force of the lifting spring 19 and the lifting block 16. It is convenient to eject the pressure sensor housing on the U-shaped top plate 8 from the forming groove 7. At the same time, in order to ensure that the lifting spring 19 can effectively use the U-shaped top plate 8 to eject the pressure sensor housing, when the upper module 4 and the lower module 5 are in contact, the electric push rod 20 drives the lifting block 21 to move, and the positioning slider 22 is used to slide in the positioning slide groove 23, so that the lifting block 21 is adjusted in the lifting groove 15. The elastic force of the lifting spring 19 is adjusted by the lifting block 21 to ensure that the lifting spring 19 can effectively lift the sensor housing on the U-shaped top plate 8 from the forming groove 7.

[0022] An exhaust pipe 24 is fixedly installed on the side plate 2, and a push rod 25 is movably installed on the exhaust pipe 24. A push plate 26 is fixedly installed on the end of the push rod 25 away from the exhaust pipe 24, and the exhaust port of the exhaust pipe 24 is fixedly connected to an outlet pipe 27, and the end of the outlet pipe 27 away from the exhaust pipe 24 is fixedly connected to a diverter pipe 28, and a push groove 29 is provided on the side end surface of the lower module 5. An air inlet pipe 30 is fixedly connected to the exhaust pipe 24, and a one-way valve 31 is provided on the air inlet pipe 30 and the air outlet pipe 27. The end of the push plate 26 is fixedly installed on the stabilizing slider 17, and the push plate 26 is slidably connected to the stabilizing slider 17. The end of the diverter pipe 28 away from the outlet pipe 27 extends to the inside of the molding groove 7 and is located below the U-shaped top plate 8. The principle of the exhaust pipe 24 is the same as the principle of the air pump in the prior art, and the piston is a technology well known to people in this field, and will not be described in detail here.

[0023] In this embodiment, when the stabilizing slider 17 rises along with the lifting block 16, the pushing plate 26 on the stabilizing slider 17 will drive the piston on the pushing rod 25 to move in the exhaust pipe 24, and the gas in the exhaust pipe 24 will enter the diverter pipe 28 through the outlet pipe 27, and the gas in the diverter pipe 28 will enter the interior of the molding groove 7, and the airflow in the molding groove 7 will quickly enter between the sensor housing and the U-shaped top plate 8 and the molding groove 7, ensuring that the sensor housing will not be damaged during the removal process.

[0024] The auxiliary component includes a mounting vertical plate 32 fixedly mounted on the lifting plate 11, on which arc-shaped protrusions 33 of different volumes are fixedly mounted, and a symmetrically arranged connecting frame plate 34 is fixedly mounted on the inner side surface of the side plate 2, and a mounting groove 35 is opened inside the connecting frame plate 34, and a connecting shaft 36 is rotatably mounted inside the mounting groove 35, and a positioning ring 37 is fixedly mounted on the connecting shaft 36, and a torsion spring 38 is fixedly connected to the positioning ring 37, and a V-shaped knocking plate 39 is fixedly mounted on the end of the connecting shaft 36 away from the mounting groove 35, and the positioning ring 37 is rotatably mounted inside the mounting groove 35, and the end of the torsion spring 38 away from the positioning ring 37 is fixedly connected inside the mounting groove 35, and the arc-shaped protrusions 33 of different volumes are in uniform sliding contact with the tail end of the V-shaped knocking plate 39, and the arc-shaped protrusions 33 of different volumes are in contact with the V-shaped knocking plate 39, so that the V-shaped knocking plate 39 can knock the lower module 5 with different forces.

[0025] In this embodiment, when the lifting plate 11 is raised, the mounting plate 32 will be driven to rise synchronously. When the mounting plate 32 is raised, the arc-shaped protrusions 33 of different volumes will make sliding contact with the tail end of the V-shaped knocking plate 39. The V-shaped knocking plate 39 will utilize the torque of the torsion spring 38 to swing back and forth around the connecting shaft 36. The end of the V-shaped knocking plate 39 will repeatedly knock the end face of the lower module 5. The vibration force generated by the V-shaped knocking plate 39 will be transmitted to the lower module 5 and the U-shaped top plate 8, thereby further improving the efficiency of removing the sensor housing.

[0026] Working principle: When in use, the lifting plate 11 on the connecting block 10 is driven by the hydraulic cylinder 9, and the connection vertical plate 12 on the lifting plate 11 is moved vertically downward by the cooperation of the limit block 13 and the limit groove 14, and the upper module 4 is used to press the raised U-shaped top plate 8 into the inside of the forming groove 7, and the upper module 4 is fitted with the lower module 5, and then the raw material is added into the inside of the forming groove 7 through the filling port 6. After the pressure sensor housing in the forming groove 7 is formed, the lifting plate 11 is driven to rise by the hydraulic cylinder 9, and the U-shaped top plate 8 will be convenient to eject the pressure sensor housing on the U-shaped top plate 8 from the forming groove 7 through the reaction force of the lifting spring 19 and the action of the lifting block 16; In order to ensure that the lifting spring 19 can effectively use the U-shaped top plate 8 to push out the pressure sensor housing, when the upper module 4 and the lower module 5 are fitted together, the lifting block 21 is driven to move by the electric push rod 20, and the positioning slider 22 is used to slide in the positioning slide groove 23, so that the lifting block 21 is adjusted in the lifting groove 15, and the elastic force of the lifting spring 19 is adjusted by the lifting block 21 to ensure that the lifting spring 19 can effectively lift the sensor housing on the U-shaped top plate 8 from the molding groove 7; When the stabilizing slider 17 rises along with the lifting block 16, the pushing plate 26 on the stabilizing slider 17 drives the piston on the pushing rod 25 to move in the exhaust pipe 24, and the gas in the exhaust pipe 24 enters the shunt pipe 28 through the outlet pipe 27, and the gas in the shunt pipe 28 enters the inside of the forming groove 7, and the airflow in the forming groove 7 quickly enters between the sensor housing and the U-shaped top plate 8 and the forming groove 7, ensuring that the sensor housing will not be damaged during the removal process; When the lifting plate 11 is raised, the mounting plate 32 will be driven to rise synchronously. When the mounting plate 32 is raised, the arc-shaped protrusions 33 of different volumes will make sliding contact with the tail end of the V-shaped knocking plate 39. The V-shaped knocking plate 39 will use the torque of the torsion spring 38 to swing back and forth around the connecting shaft 36. The end of the V-shaped knocking plate 39 will repeatedly knock the end face of the lower module 5. The vibration force generated by the V-shaped knocking plate 39 will be transmitted to the lower module 5 and the U-shaped top plate 8.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A processing technology for an automobile pressure sensor, characterized in that: The following steps are involved: S1. Raw material preparation and micro-machining: Select and process raw materials, perform photolithography, etching, and thin film deposition micro-machining processes to lay the foundation for the manufacture of sensor components; S2. Sensor component manufacturing and calibration: Make the sensor core components and perform precise calibration to ensure that their performance meets the requirements; S3, Shell manufacturing and packaging: Design the shell according to the working environment of the sensor by processing the mold, and use the appropriate packaging process to encapsulate the sensor element in the shell to ensure stability; S4. Function and environment test: Perform function test, environmental adaptability test and reliability test on the sensor to verify its performance in actual application; S5, Quality Control and Final Assembly and Packaging: Conduct strict quality inspection and screening to ensure qualified products, and prepare for shipment through final assembly and packaging; The processing mold in S3 comprises a support plate (1), symmetrically arranged side plates (2) are fixedly mounted on the support plate (1), a transverse plate (3) is fixedly mounted between the two side plates (2), a driving assembly is arranged on the transverse plate (3), an upper module (4) is arranged on the driving assembly, and a lower module (5) is fixedly mounted on the support plate (1) and between the two side plates (2); The upper module (4) is provided with a filling port (6), the upper end surface of the lower module (5) is provided with a forming groove (7), and the inner bottom of the forming groove (7) is provided with a U-shaped top plate (8); A lifting component is provided inside the lower module (5), and an auxiliary component is provided on the side plate (2). The lifting component cooperates with the auxiliary component to facilitate ejection of the sensor housing in the molding groove (7).

2. The automotive pressure sensor processing technology according to claim 1 is characterized in that: The driving assembly comprises a hydraulic cylinder (9) fixedly mounted on a transverse plate (3); a connecting block (10) is fixedly mounted on an output shaft of the hydraulic cylinder (9); a lifting plate (11) is fixedly mounted on the connecting block (10); a connecting vertical plate (12) is fixedly mounted on the lower end surface of the lifting plate (11); a limiting block (13) is fixedly mounted on the side end surface of the lifting plate (11); and limiting grooves (14) are provided on both side plates (2).

3. The automotive pressure sensor processing technology according to claim 2 is characterized in that: The number of the connecting vertical plates (12) is two, the bottom ends of the connecting vertical plates (12) are fixedly mounted on the upper end surface of the upper module (4), and the limiting blocks (13) are slidably connected to the limiting grooves (14).

4. The automotive pressure sensor processing technology according to claim 1 is characterized in that: The lifting assembly comprises a lifting groove (15) formed on the lower module (5), a lifting block (16) is slidably mounted inside the lifting groove (15), a stabilizing slider (17) is fixedly mounted on the side end surface of the lifting block (16), a stabilizing slide groove (18) is formed inside the lifting groove (15), and a lifting spring (19) is fixedly connected to the lower surface of the lifting block (16).

5. The automotive pressure sensor processing technology according to claim 4 is characterized in that: An electric push rod (20) is fixedly mounted on the support plate (1); a lifting block (21) is fixedly mounted on the output shaft of the electric push rod (20); a positioning slide block (22) is fixedly mounted on the side end surface of the lifting block (21); and a positioning slide groove (23) is provided inside the lifting groove (15) and below the stabilizing slide groove (18).

6. The automotive pressure sensor processing technology according to claim 5 is characterized in that: The top end of the lifting block (16) is fixedly connected to the lower end surface of the U-shaped top plate (8), the stabilizing slider (17) is slidably connected to the stabilizing slide groove (18), the electric push rod (20) and the lifting groove (15) are in the same vertical direction, and the positioning slider (22) is slidably connected to the positioning slide groove (23).

7. The automotive pressure sensor processing technology according to claim 5, characterized in that: An exhaust pipe (24) is fixedly mounted on the side plate (2), a push rod (25) is movably mounted on the exhaust pipe (24), a push plate (26) is fixedly mounted on one end of the push rod (25) away from the exhaust pipe (24), an exhaust port of the exhaust pipe (24) is fixedly connected to an exhaust pipe (27), an end of the exhaust pipe (27) away from the exhaust pipe (24) is fixedly connected to a diverter pipe (28), a push groove (29) is provided on the side end surface of the lower module (5), an intake pipe (30) is fixedly connected to the exhaust pipe (24), and both the intake pipe (30) and the exhaust pipe (27) are provided with a one-way valve (31).

8. The automotive pressure sensor processing technology according to claim 7 is characterized in that: The end of the push plate (26) is fixedly mounted on the stabilizing slider (17), the push plate (26) is slidably connected to the stabilizing slider (17), and one end of the diverter pipe (28) away from the air outlet pipe (27) extends to the inside of the molding groove (7) and is located below the U-shaped top plate (8).

9. The automotive pressure sensor processing technology according to claim 1, characterized in that: The auxiliary component comprises a mounting vertical plate (32) fixedly mounted on the lifting plate (11), arc-shaped protrusions (33) of different volumes being fixedly mounted on the mounting vertical plate (32), symmetrically arranged connecting frame plates (34) being fixedly mounted on the inner side surface of the side plate (2), a mounting groove (35) being provided inside the connecting frame plate (34), a connecting shaft (36) being rotatably mounted inside the mounting groove (35), a positioning ring (37) being fixedly mounted on the connecting shaft (36), a torsion spring (38) being fixedly connected to the positioning ring (37), and a V-shaped knocking plate (39) being fixedly mounted on one end of the connecting shaft (36) away from the mounting groove (35).

10. The automotive pressure sensor processing technology according to claim 9, characterized in that: The positioning ring (37) is rotatably mounted inside the mounting groove (35), one end of the torsion spring (38) away from the positioning ring (37) is fixedly connected inside the mounting groove (35), and the arc-shaped protrusions (33) of different volumes are in uniform sliding contact with the tail end of the V-shaped knocking plate (39).

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