Compression resistance detection device and method based on automobile cover plate processing

Abstract

The invention relates to the technical field of cover plate strength testing, in particular to a compression resistance detection device and method based on automobile cover plate machining, and the device comprises a base, a cover plate body, a pressure head for carrying out compression resistance detection on the cover plate body, and two clamping plates which are symmetrically arranged along the center of the base, positioning frames used for fixing the cover plate body are fixedly connected to the sides, close to each other, of the two clamping plates, a gear motor is fixedly connected to the interior of the base, and a transmission assembly is arranged at the output end of the gear motor and used for driving the two clamping plates to move relative to each other; the device further comprises a rubber hammerhead, the rubber hammerhead is provided with a plurality of abutting plates which are all arranged in the positioning frame and used for hammering the cover plate body to enable the cover plate body to vibrate, the positioning frame is internally provided with an abutting plate which can abut against the cover plate body, and the positioning frame is internally provided with a feedback assembly which is driven by the abutting plate to drive the rubber hammerhead to store force. By hammering the cover plate body, the stress stored in the cover plate body is effectively released, and the accuracy of the compression resistance test is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cover plate strength testing, and particularly to a compressive strength detection device and method based on automobile cover plate processing. Background Art

[0002] As an important part of an automobile, the compressive performance of an automobile cover plate directly affects the safety and service life of the automobile. With the rapid development of the automobile industry and the continuous improvement of consumers' requirements for automobile quality, it has become particularly important to detect the compressive performance of automobile cover plates. There are many deficiencies in the traditional compressive testing methods for automobile cover plates, such as low detection accuracy, complex operation, low detection efficiency, etc. These problems not only affect the quality control of automobile cover plates, but also restrict the further development of the automobile manufacturing industry. Therefore, it is particularly important to develop a high-efficiency, accurate and easy-to-operate compressive strength detection device for automobile cover plates. Based on the above background, a new type of compressive strength detection device based on automobile cover plate processing has emerged. The device adopts advanced technical means and can achieve precise detection of the compressive performance of automobile cover plates. Its design principle is mainly based on the mechanical principle, and by simulating the stress situation of the automobile cover plate in actual use, its compressive performance is evaluated.

[0003] For example, in the patent document with the prior art publication number CN212807872U, this patent document provides a strength testing device for a new energy vehicle cover plate, belonging to the technical field of strength testing, including an installation component and a testing mechanism. The installation component includes a base, an installation frame and a fixed box. The installation frame is fixedly connected to the base, the fixed box is fixedly connected to the installation frame, a motor is fixedly connected to the installation frame, a first pulley is fixedly connected to the output end of the motor, a second pulley is drivingly connected to the first pulley, a fixed column is fixedly connected to the side of the installation frame away from the motor, the second pulley is arranged on the fixed column, one end of a moving rod is fixedly connected to a first threaded rod, the other end of the moving rod is fixedly connected to a rotating rod, the first threaded rod is rotatably connected to the fixed box, the moving rod penetrates through the installation frame, and a testing block is rotatably connected to the end of the rotating rod away from the moving rod. This device avoids the fatigue of workers and the decline in the quality and speed of testing caused by long testing time, thereby avoiding low work efficiency and poor testing effect.

[0004] In the existing automotive cover plate compressive strength detection technology, although the position of the extrusion block is adjusted by setting a rotating rod to achieve efficient compressive strength detection of automotive cover plates, however, in the actual application process, we face a problem that cannot be ignored: during the production process of automotive cover plates, a certain amount of internal stress often remains. The existence of this residual stress is like a hidden "time bomb", posing a severe challenge to the accuracy of compressive strength testing. Specifically, residual stress is the internal stress generated due to factors such as uneven plastic deformation, temperature changes, or phase transformations during the processing of materials. These stresses accumulate inside the automotive cover plate and are released during the compressive strength testing process, resulting in deviations in the test results. This deviation not only affects our accurate assessment of the compressive strength performance of automotive cover plates but also may mislead subsequent quality control and production decisions, thus posing a potential threat to the safety and service life of automobiles. Therefore, this application proposes a compressive strength detection device and method based on the processing of automotive cover plates. Summary of the Invention

[0005] The purpose of the present invention is to provide a compressive strength detection device and method based on the processing of automotive cover plates to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A compressive strength detection device based on the processing of automotive cover plates, including a base and a cover plate body, as well as a pressing head for performing compressive strength detection on the cover plate body, further including:

[0007] Clamping plates, two of which are symmetrically arranged along the center of the base, and positioning frames for fixing the cover plate body are fixedly connected to the sides of the two clamping plates close to each other. A reduction motor is fixedly connected inside the base, and a transmission component is arranged at the output end of the reduction motor to drive the two clamping plates to move relative to each other;

[0008] Rubber hammers, multiple of which are arranged inside the positioning frame to hammer the cover plate body to make it vibrate. A contact plate that can contact the cover plate body is arranged inside the positioning frame, and a feedback component is arranged inside the positioning frame to drive the rubber hammers to store energy by the transmission of the contact plate;

[0009] A transmission handle, one end of which is provided with an air shell, and a jet component that cooperates with the feedback component is arranged on one side of the air shell.

[0010] Preferably, the transmission component includes a double-headed rotating handle fixedly connected to the output end of the reduction motor, and two pull handles are rotatably connected to the protruding parts on the outer surface of the double-headed rotating handle, and the two pull handles are respectively rotatably connected to the bottoms of the two clamping plates.

[0011] Preferably, a positioning groove for the two clamping plates to slide is fixedly connected to the top of the base.

[0012] Preferably, the feedback component includes a rotating plate rotatably connected inside the positioning frame, and an auxiliary shell is fixedly connected to the top of the rotating plate. A second inclined block is slidably connected to one side of the auxiliary shell. A tension spring fixedly connected to the second inclined block is fixedly connected inside the auxiliary shell. An extension plate is fixedly connected to one side of the positioning frame. A sliding rod fixedly connected to the rubber hammer head is slidably connected inside the extension plate. A first inclined block is fixedly connected to the top of the sliding rod. A ball adapted to it is rotatably connected to the side of the first inclined block close to the second inclined block.

[0013] Preferably, a straight groove plate is fixedly connected inside the positioning frame. A top plate that can abut against the bottom of the rotating plate is slidably connected inside the straight groove plate. A compression spring fixedly connected to the top plate is fixedly connected inside the straight groove plate. An auxiliary plate is fixedly connected to the bottom of the top plate. Rotating handles rotatably connected to the auxiliary plate are rotatably connected to both sides of the abutting plate.

[0014] Preferably, the air jet component includes an air outlet pipe communicated with one side of the air shell. An air inlet pipe for air intake is communicated with the other side of the air shell. A connecting shaft frame adapted to it is arranged inside the air shell. An inertial wheel is rotatably connected inside the connecting shaft frame. A plurality of fan blades for driving the gas flow inside the air shell are fixedly connected to the outer surface of the inertial wheel.

[0015] Preferably, limiting grooves are opened on both sides of the sliding rod. Guide rods are fixedly connected inside the limiting grooves. One end of the inertial wheel is fixedly connected with a trigger handle placed inside the limiting groove, and the guide rod can abut against the trigger handle.

[0016] Preferably, a sliding groove is opened inside the transmission handle. A guide rod fixedly connected to the bottom of the rotating plate is placed inside the sliding groove. A plurality of pressing pieces are connected to the bottom of the transmission handle. One end of the transmission handle is rotatably connected to the extension plate, and the connecting shaft frame penetrates through the extension plate and is fixedly connected to one end of the transmission handle.

[0017] Preferably, a top frame is fixedly connected to the top of the base. A hydraulic servo press is fixedly connected to the top of the top frame, and the output end of the hydraulic servo press is fixedly connected to the pressing head.

[0018] The present invention also provides a compressive strength detection method based on the processing of automobile cover plates, including the following steps:

[0019] S1. Place the cover plate body between two clamping plates, and operate the transmission component to make the two clamping plates approach each other to fix the cover plate body;

[0020] S2. When the clamping plates approach each other, the feedback component operates to realize multiple hammer strikes of the rubber hammer head, eliminating the residual stress of the cover plate body;

[0021] S3. When the feedback component operates, it will drive the jet component to operate, causing an air current to be generated in the air shell to clean the impurities on the cover body.

[0022] S4. By driving the indenter to move downward, the indenter is made to contact the cover body for compressive strength testing.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0024] 1. By driving the indenter with a hydraulic servo press, stable and continuous extrusion of the cover body is achieved, ensuring the accuracy and reliability of the compressive strength testing. The firm connection between the top frame and the base provides a solid foundation for the entire testing process, guaranteeing the stability of the test. By using a reduction motor to drive the clamping plates to move relative to each other through a transmission component, rapid and accurate fixation of the cover body is realized, improving the operation efficiency. The design of the positioning frame not only helps to fix the cover but also facilitates the initial placement of the cover body, improving the convenience of the operation. The setting of the rubber hammer head effectively releases the stress stored inside the cover body by hammering the cover body, improving the accuracy of the compressive strength test. The design of the feedback component realizes the automatic energy storage and release of the rubber hammer head without manual intervention, improving the work efficiency. The cooperation of the contact plate with the rotating handle, auxiliary plate, top plate, and compression spring ensures that when the cover body is fixed, the hammering action of the rubber hammer head can be automatically triggered, realizing the immediate elimination of residual stress. The setting of the ball reduces the friction between the second inclined block and the first inclined block, making the reset of the rotating plate smoother and improving the stability and durability of the entire mechanism. By the forward and reverse rotation of the reduction motor, the repeated movement of the clamping plates is realized, thereby driving the multiple hammering of the rubber hammer head to ensure the full elimination of residual stress.

[0025] 2. The jet component discharges the gas inside the gas shell to the surface of the cover plate body through the air outlet pipe, effectively cleaning the impurities such as dust and debris that are detached due to vibration during the compressive strength test and stress relief process, ensuring the accuracy of the test and the cleanliness of the cover plate surface. The design of the fan blade uses the rotation of the inertial wheel to generate air flow, realizing the continuous inhalation and discharge of gas without an additional power source, improving the cleaning efficiency. The reciprocating motion of the jet component and the sliding rod cooperate with each other to achieve intelligent linkage. When the sliding rod releases the stored energy and quickly impacts the trigger handle, the trigger handle drives the inertial wheel to rotate, and then drives the fan blade to generate air flow. This design cleverly utilizes the mechanical energy during the detection process, without an additional control device, achieving efficient energy utilization. The setting of the guide rod and the limit groove ensures that the trigger handle can rotate quickly and be limited after being impacted, so as to continuously drive the fan blade to rotate until the inertia of the inertial wheel is exhausted. This design improves the stability and reliability of the jet component. The design of the transmission handle enables it to drive the connecting shaft bracket to rotate following the movement of the guide rod, thereby changing the position of the trigger handle. This design not only realizes the close cooperation between the jet component and the feedback component, but also maintains the compactness of the entire device, making it easy to integrate into the existing compressive strength testing device. The rotational connection between the transmission handle and the extension plate, and the fixed connection between the connecting shaft bracket passing through the extension plate and the transmission handle ensure that the transmission handle can maintain stability during rotation and will not be damaged due to uneven force. By cleaning the impurities on the surface of the cover plate body, it ensures full contact between the cover plate surface and the indenter or rubber hammer head during the compressive strength test and stress relief process, thereby improving the accuracy and reliability of the test. Description of the Drawings

[0026] Figure 1 is the first three-dimensional structural schematic diagram of the present invention;

[0027] Figure 2 is the second three-dimensional structural schematic diagram of the present invention;

[0028] Figure 3 is the structural schematic diagram of the clamping plate in the present invention;

[0029] Figure 4 is the structural schematic diagram of the reduction motor in the present invention;

[0030] Figure 5 is the structural schematic diagram of the clamping plate and the cover plate body in the present invention;

[0031] Figure 6 In the present invention Figure 5 is the enlarged schematic diagram of the structure at A;

[0032] Figure 7 is the structural schematic diagram of the rubber hammer head in the present invention;

[0033] Figure 8Schematic cross-sectional structure diagram of the auxiliary shell in the present invention;

[0034] Figure 9 Schematic structure diagram of the present invention with the extension plate removed;

[0035] Figure 10 Schematic cross-sectional structure diagram of the sliding rod and the air shell in the present invention;

[0036] Figure 11 Schematic cross-sectional structure diagram of the air shell in the present invention.

[0037] In the figure: 100, base; 101, top frame; 102, hydraulic servo press; 103, pressing head; 104, cover plate body; 200, clamping plate; 201, positioning frame; 202, reduction motor; 203, double-headed rotating handle; 204, pulling handle; 205, positioning groove; 300, rubber hammer head; 301, extension plate; 302, sliding rod; 303, first inclined block; 304, rotating plate; 305, top plate; 306, auxiliary plate; 307, rotating handle; 308, abutting plate; 309, straight groove plate; 310, compression spring; 311, ball; 312, auxiliary shell; 313, second inclined block; 314, pulling spring; 400, transmission handle; 401, sliding groove; 402, pressing piece; 403, air shell; 404, intake pipe; 405, exhaust pipe; 406, connecting shaft frame; 407, fan blade; 408, trigger handle; 409, flywheel, 410, guide rod; 411, limiting groove. Detailed implementation manners

[0038] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0039] Embodiment 1: Please refer to Figure 1 , Figure 3 and Figure 4 , the present invention provides a technical solution: an anti-pressure detection device based on the processing of automobile cover plates, including a base 100 and a cover plate body 104, as well as a pressing head 103 for performing anti-pressure detection on the cover plate body 104. The top of the base 100 is fixedly connected with a top frame 101, the top of the top frame 101 is fixedly connected with a hydraulic servo press 102, and the output end of the hydraulic servo press 102 is fixedly connected with the pressing head 103. By setting the hydraulic servo press 102, the pressing head 103 can be flexibly driven to move closer to the top of the cover plate body 104, realizing stable and continuous extrusion, and realizing the anti-pressure detection of the cover plate body 104.

[0040] It further includes two clamping plates 200 symmetrically arranged along the center of the base 100. On one side of the two clamping plates 200 close to each other, there are fixedly connected positioning frames 201 for fixing the cover body 104. Inside the base 100, there is fixedly connected a reduction motor 202. The output end of the reduction motor 202 is provided with a transmission component for driving the two clamping plates 200 to move towards each other. The transmission component includes a double-headed rotating handle 203 fixedly connected to the output end of the reduction motor 202. On the protruding parts of the outer surface of the double-headed rotating handle 203, there are rotatably connected two pulling handles 204, and the two pulling handles 204 are respectively rotatably connected to the bottoms of the two clamping plates 200. On the top of the base 100, there is fixedly connected a positioning groove 205 for the two clamping plates 200 to slide. By setting the reduction motor 202, stable high torque can be output to pull the clamping plates 200 towards each other, so as to realize the stable fixation of the cover body 104. At the same time, the positioning frame 201 can be used to initially place the cover body 104 to improve the operation convenience.

[0041] Please refer to Figure 2 、 Figure 5 and Figure 6 , it further includes a rubber hammer head 300, which is configured with multiple ones and is arranged inside the positioning frame 201 for hammering the cover body 104 to make it vibrate. Inside the positioning frame 201, there is a contact plate 308 that can contact the cover body 104. Inside the positioning frame 201, there is a feedback component driven by the contact plate 308 to drive the rubber hammer head 300 to store energy. By setting the rubber hammer head 300, an impact force can be applied to the cover body 104. This impact force will generate a vibration force absorbed by the cover body 104 to consume the stress stored inside it. At the same time, setting the feedback component can drive the rubber hammer head 300 to hammer the cover body 104 after fixing the cover body 104, so that it is stably stressed.

[0042] Please refer to Figure 7 、 Figure 8 and Figure 9, the feedback component includes a rotating plate 304 rotatably connected inside the positioning frame 201, and a top of the rotating plate 304 is fixedly connected with an auxiliary housing 312. A second inclined block 313 is slidably connected to one side of the auxiliary housing 312. A tension spring 314 fixedly connected with the second inclined block 313 is fixedly connected inside the auxiliary housing 312. An extension plate 301 is fixedly connected to one side of the positioning frame 201. A slide bar 302 fixedly connected with the rubber hammer head 300 is slidably connected inside the extension plate 301. A first inclined block 303 is fixedly connected to a top of the slide bar 302. A ball 311 adapted to it is rotatably connected to a side of the first inclined block 303 close to the second inclined block 313. By setting the second inclined block 313, when the rotating plate 304 rotates and touches the first inclined block 303, the slide bar 302 can be pulled to move upward to store energy for the rubber hammer head 300. While the rubber hammer head 300 is continuously storing energy, the rotating plate 304 rotates, which will continuously change the horizontal position of the second inclined block 313, so that the second inclined block 313 disengages from the first inclined block 303, and the rubber hammer head 300 is released to hammer the cover plate body 104. At the same time, the cooperation of the second inclined block 313 and the ball 311 can facilitate the rotating plate 304 to be squeezed into the inside of the auxiliary housing 312 by the inclined surface of the second inclined block 313 touching the ball 311 during the reset process, realizing a highly fault-tolerant reset. At the same time, a torsion spring is arranged at the connection between the rotating plate 304 and the positioning frame 201 to provide power for the reset of the rotating plate 304.

[0043] Wherein, a straight groove plate 309 is fixedly connected inside the positioning frame 201. A top plate 305 that can touch the bottom of the rotating plate 304 is slidably connected inside the straight groove plate 309. A compression spring 310 fixedly connected with the top plate 305 is fixedly connected inside the straight groove plate 309. An auxiliary plate 306 is fixedly connected to a bottom of the top plate 305. Rotating handles 307 rotatably connected with the auxiliary plate 306 are rotatably connected to both sides of the contact plate 308. By setting the contact plate 308, when the clamping plates 200 approach each other, the contact plate 308 can first contact the cover plate body 104, and the force received by it will drive the rotating handle 307 to tilt, raising the position of the auxiliary plate 306, so that the top plate 305 moves upward to push the rotating plate 304 to rotate. And a limit is set in the rotating handle 307 so that it can only be fixed when the contact plate 308 moves to directly below the auxiliary plate 306, so as to keep the auxiliary plate 306 at a high position. Subsequently, the cover plate body 104 will pass over the contact plate 308, and then the contact plate 308 will squeeze the cover plate body 104 to apply a downward force.

[0044] It is worth mentioning that, in order to achieve continuous stress relief work, the reduction motor 202 needs to rotate forward and backward frequently, so that the cover plate body 104 continuously contacts and moves away from the contact plate 308, thereby realizing the continuous rotation and reset of the rotating plate 304, and thus continuously driving the rubber hammer head 300.

[0045] Specifically, by placing the cover plate body 104 inside the two positioning frames 201, then turning on the double-headed rotating handle 203 to drive the rotation of the double-headed rotating handle 203, the double-headed rotating handle 203 pulls one end of the pulling handle 204 to move, thereby driving the two clamping plates 200 to approach each other, fixing the cover plate body 104. When the clamping plates 200 approach each other, the cover plate body 104 will first contact multiple contact plates 308, driving the rotating handle 307 to tilt, causing the auxiliary plate 306 to be lifted, so that the top plate 305 contacts the bottom of the rotating plate 304, driving its own rotation, causing the auxiliary shell 312 to move upward, driving the second inclined block 313 to drive the first inclined block 303 to move upward, pulling the sliding rod 302 upward to store energy for the rubber hammer head 300. When the second inclined block 313 passes over the first inclined block 303, the sliding rod 302 quickly resets, causing the rubber hammer head 300 to hammer the cover plate body 104. Under the action of the spring on the outer surface of the sliding rod 302, the cover plate body 104 is continuously hammered to release the residual stress inside it. Operating the reduction motor 202 to rotate forward and backward continuously, causing the clamping plates 200 to move continuously, thereby realizing multiple hammerings of the rubber hammer head 300 and completing the elimination of the residual stress of the cover plate body 104.

[0046] In summary, by driving the indenter 103 with the hydraulic servo press 102, a stable and continuous extrusion of the cover plate body 104 is achieved, ensuring the accuracy and reliability of the compressive strength test. The firm connection between the top frame 101 and the base 100 provides a solid foundation for the entire test process and guarantees the stability of the test. Using the reduction motor 202 to drive the clamping plates 200 to move relative to each other through the transmission component realizes the rapid and accurate fixation of the cover plate body 104, improving the operation efficiency. The design of the positioning frame 201 not only helps to fix the cover plate but also facilitates the initial placement of the cover plate body 104, improving the convenience of the operation. The setting of the rubber hammer head 300 effectively releases the stress stored inside the cover plate body 104 by hammering it, improving the accuracy of the compressive strength test. The design of the feedback component realizes the automatic energy storage and release of the rubber hammer head 300 without manual intervention, improving the work efficiency. The cooperation of the contact plate 308 with the rotating handle 307, the auxiliary plate 306, the top plate 305, and the compression spring 310 ensures that when the cover plate body 104 is fixed, the hammering action of the rubber hammer head 300 can be automatically triggered, realizing the immediate elimination of the residual stress. The setting of the ball 311 reduces the friction between the second inclined block 313 and the first inclined block 303, making the reset of the rotating plate 304 smoother and improving the stability and durability of the entire mechanism. By the forward and backward rotation of the reduction motor 202, the repeated movement of the clamping plates 200 is realized, thereby driving multiple hammerings of the rubber hammer head 300 and ensuring the full elimination of the residual stress.

[0047] Embodiment 2: Please refer to Figure 9 、 Figure 10 andFigure 11 In addition, the present invention also provides a technical solution. The difference from the technical solution of Embodiment 1 is as follows: A compressive strength detection device for automobile cover plate processing further includes a transmission handle 400. One end of the transmission handle 400 is provided with an air shell 403, and a jet component cooperating with the feedback component is arranged on one side of the air shell 403. The jet component includes an air outlet pipe 405 communicating with one side of the air shell 403. The other side of the air shell 403 is communicated with an air inlet pipe 404 for air intake. A connecting shaft frame 406 adapted to it is arranged inside the air shell 403. An inertia wheel 409 is rotatably connected inside the connecting shaft frame 406. A plurality of fan blades 407 for driving the air flow inside the air shell 403 are fixedly connected to the outer surface of the inertia wheel 409. By setting the jet component, the impurities separated from the top of the cover plate body 104 due to vibration can be effectively cleaned. The jet component cooperates with the reciprocating movement of the sliding rod 302 to realize operation. The continuous rotation of the fan blades 407 sucks air from the inside of the air inlet pipe 404 and discharges it to the surface of the cover plate body 104 through the air outlet pipe 405. The inertia wheel 409 is provided to continuously drive the fan blades 407.

[0048] Furthermore, limiting grooves 411 are opened on both sides of the sliding rod 302. Guide rods 410 are fixedly connected inside the limiting grooves 411. One end of the inertia wheel 409 is fixedly connected with a trigger handle 408 placed inside the limiting grooves 411, and the guide rod 410 can abut against the trigger handle 408. By setting the guide rod 410, after the sliding rod 302 stores and releases energy, it can quickly impact the outer surface of the trigger handle 408 to make it rotate and drive the inertia wheel 409 to rotate. Subsequently, the trigger handle 408 will be blocked by the limiting grooves 411 and stop rotating, and the inertia wheel 409 will stop rotating and continue to drive the fan blades 407 to rotate by inertia.

[0049] Among them, a sliding groove 401 is opened inside the transmission handle 400. A guide rod 410 fixedly connected to the bottom of the rotating plate 304 is placed inside the sliding groove 401. A plurality of pressing pieces 402 are connected to the bottom of the transmission handle 400. One end of the transmission handle 400 is rotatably connected to the extension plate 301, and the connecting shaft frame 406 passes through the extension plate 301 and is fixedly connected to one end of the transmission handle 400. By setting the transmission handle 400, it can drive the connecting shaft frame 406 to rotate following the movement of the guide rod 410. At this time, the rotation of the connecting shaft frame 406 will change the position of the trigger handle 408 depending on the friction force, so that the trigger handle 408 is located above the air shell 403. At the same time, the air shell 403 and the connecting shaft frame 406 are in a rotational connection relationship, and it will not rotate due to the limitation of the air inlet pipe 404.

[0050] Specifically, when the rotating plate 304 is pushed by the top plate 305, it will drive the guide rod 410 at one end to push the transmission handle 400 to tilt, so that the transmission handle 400 pulls the connecting shaft bracket 406 to move, thereby changing the position of the trigger handle 408 to make it located above. When the slide rod 302 quickly resets, it will drive the guide rod 410 to hit the trigger handle 408 to make it rotate quickly and drive the inertial wheel 409 to rotate, thereby driving a plurality of fan blades 407 to rotate quickly inside the air shell 403. The trigger handle 408 will be restricted from moving and stationary inside the limit slot 411, and the inertial wheel 409 will continuously drive the fan blades 407 to rotate, continuously sucking air from the intake pipe 404 and discharging it through the outlet pipe 405 to the top surface of the cover body 104, thereby cleaning the impurities separated from the cover body 104 during vibration.

[0051] In summary, the jet component discharges the gas inside the air shell 403 to the surface of the cover body 104 through the outlet pipe 405, effectively cleaning the impurities separated by vibration during the compressive strength test and stress relief process, such as dust, debris, etc., ensuring the accuracy of the test and the cleanliness of the cover surface. The design of the fan blades 407 uses the rotation of the inertial wheel 409 to generate air flow, realizing the continuous inhalation and discharge of gas, without the need for an additional power source, improving the cleaning efficiency. The reciprocating motion of the jet component and the slide rod 302 cooperate with each other to realize intelligent linkage. When the slide rod 302 quickly hits the trigger handle 408 after the energy storage is released, the trigger handle 408 drives the inertial wheel 409 to rotate, and then drives the fan blades 407 to generate air flow. This design cleverly uses the mechanical energy during the detection process, without the need for an additional control device, realizing the efficient utilization of energy. The settings of the guide rod 410 and the limit slot 411 ensure that the trigger handle 408 can rotate quickly and be limited after being hit, so as to continuously drive the fan blades 407 to rotate until the inertia of the inertial wheel 409 is exhausted. This design improves the stability and reliability of the jet component. The design of the transmission handle 400 enables it to drive the connecting shaft bracket 406 to rotate following the movement of the guide rod 410, thereby changing the position of the trigger handle 408. This design not only realizes the close cooperation between the jet component and the feedback component, but also maintains the compactness of the entire device, and is easy to integrate into the existing compressive strength detection device. The rotational connection between the transmission handle 400 and the extension plate 301, and the fixed connection between the connecting shaft bracket 406 passing through the extension plate 301 and the transmission handle 400 ensure that the transmission handle 400 can maintain stability during rotation and will not be damaged due to uneven force. By cleaning the impurities on the surface of the cover body 104, it ensures the full contact between the cover surface and the indenter 103 or the rubber hammer head 300 during the compressive strength test and stress relief process, thereby improving the accuracy and reliability of the test.

[0052] Embodiment 3: Please refer to Figures 1 to 11, the present invention also provides a technical solution, which is different from the technical solution of Embodiment 1: A compressive strength detection method based on the processing of automotive cover plates, comprising the following steps:

[0053] S1. Place the cover plate body 104 inside two positioning frames 201, and then start the double-headed rotating handle 203 to drive the rotation of the double-headed rotating handle 203, so that the double-headed rotating handle 203 pulls one end of the pull handle 204 to move, thereby driving the two clamping plates 200 to approach each other, and fixing the cover plate body 104;

[0054] S2. When the clamping plates 200 approach each other, the cover plate body 104 will first contact a plurality of contact plates 308, thereby driving the rotating handle 307 to tilt, so that the auxiliary plate 306 is lifted, and the top plate 305 contacts the bottom of the rotating plate 304, thereby driving its own rotation, so that the auxiliary shell 312 moves upward, driving the second inclined block 313 to drive the first inclined block 303 to move upward, further pulling the sliding rod 302 to move upward to store energy for the rubber hammer head 300. When the second inclined block 313 passes over the first inclined block 303, the sliding rod 302 quickly resets, and the rubber hammer head 300 hammers the cover plate body 104. Under the action of the spring on the outer surface of the sliding rod 302, the cover plate body 104 is continuously hammered to release the residual stress inside it. Operate the reduction motor 202 to rotate forward and backward continuously, so that the clamping plates 200 move continuously, thereby realizing multiple hammerings of the rubber hammer head 300;

[0055] S3. When the rotating plate 304 is pushed by the top plate 305, it will drive the guide rod 410 at one end to push the transmission handle 400 to tilt, so that the transmission handle 400 pulls the connecting shaft frame 406 to move, thereby changing the position of the trigger handle 408 to make it located above. When the sliding rod 302 quickly resets, it will drive the guide rod 410 to hit the trigger handle 408 to make it rotate quickly, driving the inertial wheel 409 to rotate, thereby driving a plurality of fan blades 407 to rotate quickly inside the air shell 403. The trigger handle 408 will be restricted from moving in the limit groove 411 and remain stationary, and the inertial wheel 409 will continuously drive the fan blades 407 to rotate, continuously sucking air from the air inlet pipe 404 and discharging it through the air outlet pipe 405 to the top surface of the cover plate body 104, thereby cleaning the impurities separated from the cover plate body 104 during vibration;

[0056] S4. Start the hydraulic servo press 102 to drive the pressure head 103 to move downward, so that the pressure head 103 contacts the cover plate body 104 for compressive strength detection.

[0057] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0058] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compression testing device based on automobile cover plate processing, comprising a base (100) and a cover plate body (104), and a pressure head (103) for performing compression testing on the cover plate body (104), characterized in that: Also includes: Two clamping plates (200) are symmetrically arranged along the center of the base (100), and the two clamping plates (200) are fixedly connected to a positioning frame (201) for fixing the cover plate body (104) on one side close to each other, and a reduction motor (202) is fixedly connected inside the base (100), and a transmission component is arranged at the output end of the reduction motor (202) for driving the two clamping plates (200) to move relative to each other; The rubber hammer (300) is structured to have a plurality of parts which are all arranged inside a positioning frame (201) and are used to hammer a cover plate body (104) to make it vibrate; a contact plate (308) which can contact the cover plate body (104) is arranged inside the positioning frame (201); and a feedback component which is driven by the contact plate (308) to drive the rubber hammer (300) to store force is arranged inside the positioning frame (201); The transmission handle (400) has an air housing (403) at one end, and an air jet assembly that cooperates with the feedback assembly is arranged on one side of the air housing (403).

2. According to claim 1, a compression testing device based on automobile cover processing is characterized in that: The transmission assembly comprises a double-headed rotating handle (203) fixedly connected to the output end of the reduction motor (202), and the protrusions on the outer surface of the double-headed rotating handle (203) are rotatably connected to two pull handles (204), and the two pull handles (204) are rotatably connected to the bottoms of the two clamping plates (200) respectively.

3. The compression testing device based on automobile cover processing according to claim 2 is characterized in that: The top of the base (100) is fixedly connected with a positioning groove (205) for sliding connection of two clamping plates (200).

4. The compression testing device based on automobile cover processing according to claim 1 is characterized in that: The feedback component includes a rotating plate (304) rotatably connected to the inside of the positioning frame (201), and the top of the rotating plate (304) is fixedly connected to an auxiliary shell (312), and one side of the auxiliary shell (312) is slidably connected to a second inclined block (313), the inside of the auxiliary shell (312) is fixedly connected to a tension spring (314) fixedly connected to the second inclined block (313), one side of the positioning frame (201) is fixedly connected to an extension plate (301), the inside of the extension plate (301) is slidably connected to a slide bar (302) fixedly connected to a rubber hammer head (300), the top of the slide bar (302) is fixedly connected to a first inclined block (303), and the first inclined block (303) is rotatably connected to a side close to the second inclined block (313) with a ball (311) adapted thereto.

5. The compression testing device based on automobile cover processing according to claim 4 is characterized in that: The interior of the positioning frame (201) is fixedly connected with a straight groove plate (309), and the interior of the straight groove plate (309) is slidably connected with a top plate (305) that can contact the bottom of the rotating plate (304), and the interior of the straight groove plate (309) is fixedly connected with a compression spring (310) that is fixedly connected to the top plate (305), the bottom of the top plate (305) is fixedly connected with an auxiliary plate (306), and both sides of the contact plate (308) are rotatably connected with a rotating handle (307) that is rotatably connected to the auxiliary plate (306).

6. The compression testing device based on automobile cover processing according to claim 4 is characterized in that: The jet assembly comprises an air outlet pipe (405) connected to one side of an air shell (403); the other side of the air shell (403) is connected to an air intake pipe (404) for air intake; a connecting shaft frame (406) adapted thereto is provided inside the air shell (403); an inertia wheel (409) is rotatably connected inside the connecting shaft frame (406); and a plurality of fan blades (407) for driving the internal gas circulation of the air shell (403) are fixedly connected to the outer surface of the inertia wheel (409).

7. The compression testing device based on automobile cover processing according to claim 6 is characterized in that: Limiting grooves (411) are provided on both sides of the slide bar (302), and a guide rod (410) is fixedly connected inside the limiting groove (411). One end of the inertia wheel (409) is fixedly connected to a trigger handle (408) placed inside the limiting groove (411), and the guide rod (410) can contact the trigger handle (408).

8. The compression testing device based on automobile cover processing according to claim 6 is characterized in that: A sliding groove (401) is provided inside the transmission handle (400); a guide rod (410) disposed inside the sliding groove (401) is fixedly connected to the bottom of the rotating plate (304); a plurality of pressing plates (402) are connected to the bottom of the transmission handle (400); one end of the transmission handle (400) is rotatably connected to the extension plate (301); and a connecting shaft frame (406) passes through the extension plate (301) and is fixedly connected to one end of the transmission handle (400).

9. The compression testing device based on automobile cover processing according to claim 1 is characterized in that: The top of the base (100) is fixedly connected to a top frame (101), the top of the top frame (101) is fixedly connected to a hydraulic servo press (102), and the output end of the hydraulic servo press (102) is fixedly connected to a pressure head (103).

10. A compression testing method based on automobile cover processing, according to any one of claims 1 to 9, wherein: S1, placing the cover body (104) inside the two clamping plates (200), and operating the transmission assembly to bring the two clamping plates (200) closer to each other to fix the cover body (104); S2, when the clamping plates (200) are close to each other, the feedback component operates to achieve multiple hammering of the rubber hammer head (300), thereby eliminating the residual stress of the cover plate body (104); S3, when the feedback component is running, it will drive the jet component to run, so that the air shell (403) generates airflow to clean the impurities of the cover plate body (104); S4, by driving the pressure head (103) downward, the pressure head (103) is made to contact the cover plate body (104) to perform a pressure resistance test.

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