A honeycomb ceramic filter automatic detection device

Abstract

This invention provides an automatic inspection device for honeycomb ceramic filters, relating to the field of honeycomb ceramic sorting and inspection technology. The device includes a frame, a clamping and conveying mechanism, a fan, and two workbenches. The two workbenches are designated as workbench one and workbench two. A conveyor belt is installed on workbench one, and a conveyor belt is installed on workbench two. The contact surface of the conveyor belts is higher than the surface of the workbenches. A space is left between workbench one and workbench two. This invention directly discharges defective products at the inspection station, preventing them from entering the subsequent conveyor belt two. This completely avoids the risk of missing or mistakenly releasing defective products due to sensor delay, pneumatic response lag, or tracking misalignment. It achieves a safe redundancy of "stop and discharge immediately for defective products," effectively preventing batch scrapping in subsequent sintering and packaging processes due to a single defective product.

Description

Technical Field

[0001] This invention relates to the field of honeycomb ceramic sorting and inspection technology, and in particular to an automatic inspection device for honeycomb ceramic filters. Background Technology

[0002] During the production of honeycomb ceramic filters (such as cordierite or silicon carbide honeycomb ceramics used for automotive exhaust purification and industrial dust removal), each filter requires testing of its key performance indicator—back pressure (i.e., the pressure loss when airflow passes through the filter)—to determine its quality. Currently, some automated back pressure testing equipment has emerged in the industry. A typical process involves conveying the honeycomb ceramic filter to the testing station via a conveyor belt, measuring the pressure difference across its two ends using a fan and pressure sensor, and then sending the product to the subsequent sorting station via a conveyor belt. Defective products are removed from the conveyor belt using lateral cylinders or robotic arms. However, the existing technology still has some problems in practical applications. Traditional equipment typically adopts a "release first, reject later" layout: all products (including qualified and unqualified products) are first moved from the testing station by the conveyor belt and placed on a subsequent conveyor belt. Then, cylinders or pushers are installed on the side of the conveyor belt to push unqualified products laterally away based on the test results. This approach requires a control system to precisely track the position of each product on the conveyor belt (e.g., through encoders or photoelectric sensor sequences). If conveyor belt slippage, uneven product spacing, sensor response delays, or pneumatic system lag occur, defective products can easily "miss" the push position and flow into the next process (such as drying, sintering, or packaging) along with qualified products. For high-value automotive honeycomb ceramic filters, even one defective product can lead to the waste of the entire batch's subsequent processing, causing significant economic losses. Furthermore, honeycomb ceramic filters exhibit typical brittle material characteristics—poor impact resistance and sensitivity to localized clamping forces. Existing equipment commonly removes defective products using two methods: lateral pushing with a cylinder, which generates instantaneous impact force and can easily cause product breakage; and robotic gripper handling, but the clamping force of the robotic gripper's claws can easily cause microcracks or even direct crushing of thin-walled or low-strength ceramic parts. In addition, robotic solutions are costly and require significant space for movement.

[0003] In summary, there is an urgent need in this field for an automated inspection device that can remove non-conforming products in situ at the inspection station with minimal or no damage to brittle ceramic materials during the removal process. Summary of the Invention

[0004] To address the technical problems of existing automatic detection equipment where the rejection action and detection station are not synchronized, leading to mixed conveyor belts, material leakage, and material damage during the rejection process, this invention provides an automatic detection device for honeycomb ceramic filters.

[0005] The technical solutions provided by the embodiments of the present invention are as follows: An automatic testing device for honeycomb ceramic filters provided in this invention includes: a frame, a clamping and conveying mechanism, a fan, and two worktables; The two workbenches are divided into workbench one and workbench two. A conveyor belt one is installed on workbench one and a conveyor belt two is installed on workbench two. The bearing surface of the conveyor belt is higher than the surface of the workbench. There is a space between workbench one and workbench two. Two guide frames are mirror-mounted on workbench one. The cross frame is fixedly installed between workbench one and workbench two. The cross frame is used to support the clamping and conveying mechanism. A limit stop is installed at one end of the cross frame. The limit stop is used to block and release the material on the conveyor belt one. The clamping and conveying mechanism includes two fixed frames, which are fixedly installed on the cross frame. Multiple movable components are slidably connected to the fixed frames and are arranged at equal intervals. Multiple slidable clamping components are installed on the movable components. The clamping components are used to clamp and limit the material. The movable components move cyclically along the fixed frames. The fan is set between workbench one and workbench two. An air inlet pipe is fixedly installed on the fan. An air outlet pipe is set on one side of the end of the air inlet pipe. The air outlet pipe is installed on a fixed frame. The air outlet pipe can be squeezed and deflected by the clamp assembly at the corresponding position. A pressure sensor is installed on both the air inlet pipe and the air outlet pipe.

[0006] The beneficial effects of the technical solutions provided in the embodiments of the present invention include at least the following: In this invention, defective materials slide smoothly to the waste collection area between the two workbenches under their own weight. Defective products are discharged directly at the inspection station, thus avoiding entering the subsequent conveyor belt 210. Compared with the traditional scheme of "first releasing to the conveyor belt and then pushing the material from the side", this completely avoids the risk of missing or mistakenly releasing defective products due to sensor delay, pneumatic response lag, or tracking misalignment. Since the rejection action occurs before the clamping assembly releases the material onto the second conveyor belt, a safety redundancy of "stopping and discharging immediately upon rejection" is achieved. The control logic is simplified, eliminating the need for encoder tracking or displacement memory of the material's position on the production line. The detection result directly drives the cylinder at the current work station, reducing programming complexity and debugging difficulty, and improving system reliability. This design is particularly suitable for high-value ceramic filter production lines with "zero tolerance" for mixed materials (such as honeycomb ceramics for automotive exhaust purification), effectively preventing batch scrapping of subsequent sintering and packaging processes due to the mixing of a single defective product. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0008] Figure 1 This is a schematic diagram of the overall structure of an automatic detection device for honeycomb ceramic filters provided in an embodiment of the present invention.

[0009] Figure 2 This is a front view structural diagram of an automatic detection device for honeycomb ceramic filters provided in an embodiment of the present invention.

[0010] Figure 3 This is a side view of an automatic detection device for a honeycomb ceramic filter provided in an embodiment of the present invention.

[0011] Figure 4 This is a schematic diagram of the air inlet pipe, air outlet pipe, and clamping and conveying mechanism of an automatic detection device for a honeycomb ceramic filter provided in an embodiment of the present invention.

[0012] Figure 5 This is a schematic diagram of the material being separated from the clamp assembly on the other side of an automatic detection device for a honeycomb ceramic filter, provided in an embodiment of the present invention.

[0013] Figure 6 This is a schematic diagram of the material release status of an automatic detection device for a honeycomb ceramic filter provided in an embodiment of the present invention.

[0014] Figure 7 This is a schematic diagram of the structure of a limiting frame one and a limiting frame two of an automatic detection device for a honeycomb ceramic filter provided in an embodiment of the present invention.

[0015] Figure 8 This is a schematic diagram of the moving component structure of an automatic detection device for honeycomb ceramic filters provided in an embodiment of the present invention.

[0016] Figure 9 This is a schematic diagram of the snap-fit ​​assembly structure of an automatic detection device for honeycomb ceramic filters provided in an embodiment of the present invention.

[0017] Figure 10 This is a cross-sectional view of the through plate structure of an automatic detection device for a honeycomb ceramic filter provided in an embodiment of the present invention.

[0018] Figure 11 This is an exploded view of the fixture assembly of an automatic detection device for honeycomb ceramic filters provided in an embodiment of the present invention.

[0019] Reference numerals: 100, Workbench 1; 110, Conveyor Belt 1; 120, Pressing Belt 1; 121, Spring Sleeve; 130, Limit Stop; 140, Guide Frame; 200, Workbench 2; 210, Conveyor Belt 2; 220, Pressing Belt 2; 300, Cross Frame; 400, Clamping and Conveying Mechanism; 410, Cylinder; 420, Moving Component; 421, Wheel Frame; 422, Rail; 423, Compression Spring; 430, Drive Motor 1; 440, Clamp Assembly; 441, Slide; 442, Insertion Rod 1; 443, Through Plate; 444, Insertion Rod 2; 445. 446. Tensioner belt; 447. Baffle; 448. Back plate; 449. Movable cavity; 450. Sliding cavity; 460. Fixing frame; 470. Rotating wheel; 471. Limiting frame one; 472. Converging part; 473. Expanding part; 500. Limiting frame two; 600. Fan; 610. Air inlet pipe; 620. Air outlet pipe; 621. Arc rod; 630. Air pressure sensor; 640. Snap-fit ​​assembly; 641. Arc tube; 642. Sleeve; 643. Connecting seat; 644. Snap-fit ​​connector; 650. Trigger assembly; 651. Rocker arm; 652. Rocker arm one; 653. Rocker arm two.

[0020] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0021] The technical solutions of the present invention will now be described with reference to the accompanying drawings. It should also be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some well-known technologies. Furthermore, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0022] like Figures 1 to 11 As shown, an embodiment of the present invention provides an automatic testing device for honeycomb ceramic filters, including: a frame 300, a clamping and conveying mechanism 400, a fan 600, and two worktables; The two workbenches are divided into workbench 100 and workbench 200. Workbench 100 is equipped with conveyor belt 110, and workbench 200 is equipped with conveyor belt 210. The bearing surface of the conveyor belt is higher than the surface of the workbench. A waste collection area is left between workbench 100 and workbench 200 for placing collection containers. Two guide frames 140 are mirror-mounted on workbench 100. The span frame 300 is fixedly installed between the first workbench 100 and the second workbench 200. The span frame 300 is used to support the clamping and conveying mechanism 400. A limit stop 130 is installed at one end of the span frame 300. The limit stop 130 is used to block and release the material on the first conveyor belt 110. A second drive motor is installed on the span frame 300 to drive the limit stop 130 to rotate. The clamping and conveying mechanism 400 includes two fixed frames 450, which are fixedly installed on the span frame 300. Multiple movable components 420 are slidably connected to the fixed frames 450 and are arranged at equal intervals. Multiple slidable clamping components 440 are installed on the movable components 420. The clamping components 440 are used to clamp and limit the material. The movable components 420 move cyclically along the fixed frames 450. A blower 600 is positioned between workbench 100 and workbench 200. An air inlet pipe 610 is fixedly installed on the blower 600. An air outlet pipe 620 is provided on one side of the end of the air inlet pipe 610. The air outlet pipe 620 is mounted on a fixed frame 450. The air outlet pipe 620 can be squeezed and deflected by the clamp assembly 440 at the corresponding position. A pressure sensor 630 is installed on both the air inlet pipe 610 and the air outlet pipe 620. During detection, the difference between the two pressure sensors 630 is the back pressure.

[0023] It should be noted that in this invention, the material is placed laterally on the conveyor belt 110, which propels the material forward. The guide frame 140 centers the material, while the limiting stop 130 blocks it, causing it to stop and maintain a straight position. Subsequently, as the two opposing clamping assemblies 440 move forward, the limiting stop 130 releases its obstruction, allowing the two clamping assemblies 440 to move synchronously with the material. The material then moves between the two clamping assemblies 440, and as they move forward, the clamping assemblies 440 approach each other, thus clamping the material. A clamp assembly 440 moves the material between the inlet pipe 610 and the outlet pipe 620. A blower 600 supplies air into the outlet pipe 620. The pressure difference between the two ends of the material entering through the inlet pipe 610 and the outlet pipe 620 is measured to determine the material's back pressure. When the measurement result is acceptable, the two clamp assemblies 440 continue to move the material forward, transferring it onto the conveyor belt 210. When the measurement result is unacceptable, the clamp assembly 440 on the side facing the outlet pipe 620 releases its obstruction of the material, allowing the material to slide into the outlet pipe 620 under the action of airflow, thus detaching the material from the clamp assembly 440 on the other side (e.g., ...). Figure 5 (As shown in the diagram), the clamp assembly 440, the air outlet 620, and the material on one side then deflect under the influence of gravity. Finally, the material slides down under the influence of gravity, thereby detecting the back pressure of the material and screening out unqualified materials. After the detection is completed, the unqualified materials are promptly removed to avoid mixing of qualified and unqualified materials and reduce errors.

[0024] Furthermore, a rotating wheel 460 is provided at both ends of the inner side of the fixed frame 450, and a rotating shaft is fixedly installed between the two opposing rotating wheels 460. The rotating shaft is rotatably installed between the cross frame 300, and a transmission belt is connected between the two rotating wheels 460 located on the same plane. The transmission belt is used to drive the movement of multiple moving components 420 on the corresponding fixed frame 450. A drive motor 430 is provided on one side of one of the two transmission shafts. The drive motor 430 is fixedly installed between the cross frame 300, and the output end of the drive motor 430 is connected to the adjacent transmission shaft.

[0025] The moving component 420 includes a wheel frame 421 with two rollers mounted on it. The wheel frame 421 is slidably connected to the corresponding fixed frame 450 via the rollers. A rail rod 422 is fixedly mounted on one end of the wheel frame 421. The clamping component 440 is slidably connected to the rail rod 422. The wheel frame 421 is fixedly connected to the adjacent transmission belt. The drive motor 430 drives the corresponding rotating shaft to rotate, thereby driving multiple wheel frames 421 to circulate along the fixed frame 450 via the transmission belt. The drive motor 430 is a servo motor. When the clamping component 440 moves between the air outlet pipe 620 and the air inlet pipe 610, it stops and waits for the detection to be completed before continuing to move. With the help of the limit stop 130 to release the material, it is easy to align the clamping component 440 with the material and move synchronously.

[0026] In one possible implementation, the clamp assembly 440 includes a slide 441 and a through plate 443. The through plate 443 is rotatably connected to the bottom end of the slide 441, and the rotatable connection between the slide 441 and the through plate 443 is located on one side of the bottom end of the slide 441. The rotation axis of the air outlet pipe 620 is coaxial with the deflection axis of the through plate 443 at the corresponding position. The slide 441 is slidably connected to the rail 422, and a compression spring 423 is installed between the inner walls of the slide 441 and the rail 422. A vent hole is provided in the middle of the through plate 443 for venting. The hole is used for material insertion. Sliding cavities 449 are provided on both sides of the vent hole inside the through plate 443. A baffle 446 is slidably inserted into the inner wall of the sliding cavity 449. Multiple return springs are fixedly connected between the baffle 446 and the inner wall of the sliding cavity 449. One end of the baffle 446 extends into the vent hole to block the material. A movable cavity 448 is provided on one side of the through plate 443. A cylinder is fixedly installed on the baffle 446. A tension band 445 is movably arranged on the movable cavity 448. The tension band 445 is located between the cylinder and the movable cavity 449. Between the inner walls of 8, a limiting frame 470 is fixedly connected to the outer side of one end of the fixed frame 450. The limiting frame 470 is used to press the slide 441, causing the slide 441 to slide along the rail 422, thereby driving the two opposing clamping assemblies 440 to move closer and separate, thereby clamping and releasing the material. A back plate 447 is detachably installed on one side of the through plate 443. The back plate 447 is used to shield the movable cavity 448. The top of both the slide 441 and the through plate 443 are provided with sliding holes. A second insert rod 44 is slidably inserted into the sliding hole at the top of the through plate 443. 4. A first insertion rod 442 is slidably inserted into the sliding hole of the slide block 441. When the first insertion rod 442 moves down to the lowest position in the slide block 441, the bottom end of the first insertion rod 442 is flush with the bottom end of the slide block 441. The bottom end of the second insertion rod 444 extends into the movable cavity 448 and abuts against the tension band 445. The movable cavity 448 is recessed inward at the position corresponding to the second insertion rod 444. A cylinder 410 is provided above the air outlet pipe 620. The cylinder 410 is fixedly installed on the adjacent fixed frame 450. The output end of the cylinder 410 is used to press the first insertion rod 442 downward.

[0027] It should be noted that the back plate 447 can protect the tension band 445 and other components inside the movable cavity 448, preventing dust or foreign objects from entering and affecting the normal sliding of the baffle 446. When the clamp assembly 440 moves with the moving assembly 420 to the position of the limiting frame 470, the converging part 471 of the limiting frame 470 will squeeze the slide 441, causing the slide 441 to slide inward along the rail 422 under the elastic force of the compression spring 423. This will drive the two opposing through plates 443 to move closer to each other. At this time, the vent holes on the through plates 443 are aligned with the material. As the through plates 443 continue to move closer, the end of the material gradually inserts into the vent hole. The baffle 446 forms a barrier against both ends of the material to prevent the material from being blown into the vent hole during back pressure measurement. When the product is qualified, the clamp assembly 440 will continue to move the material forward. When the clamp assembly 440 moves to the outward expansion part 472 of the limiting frame 470, the slide 441 is squeezed towards... The external movement causes the two through plates 443 to separate from each other, releasing the obstruction of the baffle 446 on the material and allowing the material to be released. When the material is unqualified, the cylinder 410 presses down the first insertion rod 442, which in turn moves the second insertion rod 444 down until its top is flush with the top of the through plate 443. When the second insertion rod 444 moves down, it squeezes the tension band 445, causing the tension band 445 to move the baffle 446 to both sides to overcome the return spring and retract into the sliding cavity 449. This allows the sliding cavity 449 to release the obstruction of one end of the material. The material is pushed by the airflow in the air inlet pipe 610 into one side of the through plate 443, causing the other end of the material to disengage from the clamp assembly 440 on the other side, facilitating the subsequent release of the material.

[0028] In one possible implementation, the bottom end of the slide 441 and the top end of the through plate 443 are both embedded with magnetic blocks, and the two magnetic blocks attract each other. The magnetic blocks are used to attract and limit the through plate 443 to prevent the through plate 443 from deflecting freely without external force.

[0029] One end of the limiting frame 470 converges towards the middle, and the other end of the limiting frame 470 is a horizontal section. The limiting frame 470 has a converging part 471 at one end of the horizontal section and an outward expansion part 472 at the other end of the horizontal section. The worktable 100 is equipped with a limiting frame 500 at the position corresponding to the converging part 471. The limiting frame 500 is used to limit the bottom end of the through plate 443 to prevent the through plate 443 from being squeezed outward by the material during the material clamping process.

[0030] It should be noted that, since the through plate 443 can deflect outwards, in order to facilitate the movement of the slide 441 towards the arc to clamp the material, the through plate 443 is not squeezed outwards by the material, so that the through plate 443 can move towards the center synchronously with the slide 441 to clamp the material.

[0031] In one possible implementation, a snap-fit ​​assembly 640 is installed between the outer wall of the air outlet duct 620 and the two fixed brackets 450. The snap-fit ​​assembly 640 is used to regulate the rotation of the air outlet duct 620. The snap-fit ​​assembly 640 includes a connecting seat 643, which is fixedly installed between the two fixed brackets 450. Arc rods 621 are fixedly connected to both sides of the outer wall of the air outlet duct 620. Arc tubes 641 are fixedly connected to both ends of the connecting seat 643. The center of the arc tube 641 coincides with the deflection axis of the through plate 443 located at one end of the air outlet duct 620. The arc rods 621 slide against the adjacent arc tubes 641. The arc tube 641 is connected to a sleeve 642 fixed to one end of its outer wall. A snap-fit ​​connector 644 is slidably connected to the inner wall of the sleeve 642. One end of the snap-fit ​​connector 644 is inserted into the arc tube 641. The top of the arc rod 621 has a notch that fits with one end of the snap-fit ​​connector 644. A return spring is installed between one end of the snap-fit ​​connector 644 and the inner wall of the sleeve 642. The other end of the snap-fit ​​connector 644 is connected to a pull rope. One end of the pull rope passes through one end of the sleeve 642. A trigger assembly 650 is installed on the outer wall of one end of the air outlet duct 620. The trigger assembly 650 is used to drive the snap-fit ​​connector 644 to slide by pulling the rope.

[0032] The trigger assembly 650 includes a rocker arm 651, which is rotatably connected to the air outlet 620. A rocker arm 652 is fixedly connected to the outer wall of the trigger assembly 650. Both ends of the rocker arm 651 are fixedly connected to a rocker arm 653, and one end of the rocker arm 653 is tied to one end of the adjacent pull rope.

[0033] It should be noted that when the material moves into the through plate 443 on one side, it will contact the rocker arm 652 and push the rocker 651 to rotate. The rotation of the rocker 651 will cause the rocker arm 653 to deflect. The rocker arm 653 will pull the rope to cause the locking connector 644 to retract into the sleeve 642, so that the locking connector 644 releases its locking on the arc rod 621, allowing the air outlet pipe 620 to rotate freely. The rocker arm 652 can block, buffer and limit the moving material, thereby limiting the depth of the material inserted into the through plate 443, leaving most of the material on the outside of the through plate 443 on one side. Therefore, under the weight of the material, the corresponding through plate 443 will deflect outward, and the through plate 443 will push the air outlet pipe 620 to deflect (as shown in the attached diagram). Figure 6 As shown), the material finally slides down under its own weight and detaches from the corresponding through plate 443. The through plate 443 returns to its original position under its own weight and the push of the air outlet 620. The snap-fit ​​connector 644 re-engages with the arc rod 621, and the rocker arm 652 also resets. After the through plate 443 returns to its original position, its top end is attracted to the slide block 441 by a magnetic block. After the second insertion rod 444 is aligned with the first insertion rod 442, it is reinserted into the slide block 441 under the tension of the tension belt 445, so as to prevent the through plate 443 from freely deflecting to the outside when it moves above the fixed frame 450.

[0034] In one possible implementation, a pressure belt 120 and a pressure belt 220 are respectively provided above the first conveyor belt 110 and the second conveyor belt 210. A spring sleeve 121 is fixed between the pressure belt and the two fixed frames 450. The spring sleeve 121 adopts the existing structure of spring plus telescopic rod. A freely movable conveyor belt body is provided on the pressure belt, and longitudinal anti-slip texture is provided on the conveyor belt body. By setting the pressure belt, the pressure belt squeezes the material downward, increasing the friction between the material and the first conveyor belt 110, the second conveyor belt 210 and the conveyor belt body. Thus, without hindering the material's forward movement, it hinders the material's lateral movement, avoiding the situation where, during the process of the clamping assemblies 440 releasing the material from opposite directions, one clamping assembly 440 drives the material to move laterally, causing the material to be unable to detach from the clamping assembly 440. This facilitates the clamping and releasing of the material by the clamping assembly 440.

[0035] In summary, the automatic testing equipment for honeycomb ceramic filters designed in this invention can not only realize automated back pressure detection of honeycomb ceramic filters, but also accurately remove unqualified products in a timely manner after the detection is completed. It effectively avoids the mixing of qualified and unqualified materials, greatly reduces the error rate that may be caused by manual operation, and the entire equipment has a compact structure, a high degree of automation, and stable and reliable operation. It can significantly improve the detection efficiency and screening accuracy of honeycomb ceramic filters, bringing good economic benefits and quality assurance to relevant production enterprises.

[0036] The beneficial effects of the technical solutions provided in the embodiments of the present invention include at least the following: In this invention, a clamping and conveying mechanism 400 is provided on the strut 300. This mechanism includes two sets of clamping assemblies 440 that move in a relatively cyclic manner. When the detection is determined to be unqualified, the cylinder 410 located on one side of the air outlet 620 drives the first insertion rod 442 and the second insertion rod 444 to press down, thereby compressing the tension belt 445 and causing the baffle 446 to retract into the sliding cavity 449, thereby releasing the axial restriction on one end of the material. At this time, the airflow generated by the blower 600 pushes the material towards the side of the outlet pipe 620 through the inlet pipe 610, causing the other end of the material to automatically detach from the clamp assembly 440 on the opposite side. Subsequently, most of the material's mass is suspended outside the through plate 443. By triggering the component 650 to unlock the locking component 640, the outlet pipe 620 and the through plate 443 deflect downwards around the coaxial axis. Under its own weight, the material smoothly slides down to the waste collection area between the two workbenches. Defective products are directly discharged at the inspection station, thus not entering the subsequent conveyor belt 210. Compared with the traditional "first release to the conveyor belt, then push the material from the side" solution, this completely avoids the problems caused by sensor delay, pneumatic response lag, or tracking issues. The risk of missing or mistakenly releasing non-conforming products due to misalignment is mitigated by the fact that the rejection action occurs before the material is released onto the conveyor belt 210 by the fixture assembly 440, achieving a safety redundancy of "stopping and discharging non-conforming products immediately." The control logic is simplified: there is no need for encoder tracking or displacement memory of the material's position on the production line. The detection result directly drives the cylinder 410 of the current station to perform the action, reducing programming complexity and debugging difficulty, and improving system reliability. This design is particularly suitable for high-value ceramic filter production lines with "zero tolerance" for mixed materials (such as honeycomb ceramics for automotive exhaust purification), and can effectively avoid batch scrapping of subsequent sintering and packaging processes due to the mixing of a single non-conforming product. When traditional robotic arms or grippers remove materials, they need to apply clamping force to pick them up or push them away. This can easily cause hidden cracks or direct breakage for thin-walled, large-sized, or low-strength ceramic parts. In this invention, the material is always in a state of being "pushed by airflow" or "sliding down the slope" during the removal process, without any active clamping or lateral impact, which fundamentally eliminates the risk of brittle fracture caused by stress concentration.

[0037] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the preferred embodiments, while those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0038] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An automatic testing device for honeycomb ceramic filters, characterized in that: include: The frame, clamping and conveying mechanism, fan, and two worktables; The two workbenches are divided into workbench one and workbench two. A conveyor belt one is installed on workbench one, and a conveyor belt two is installed on workbench two. The bearing surface of the conveyor belt is higher than the surface of the workbench. Two guide frames are mirror-mounted on workbench one. The cross frame is fixedly installed between workbench one and workbench two. The cross frame is used to support the clamping and conveying mechanism. A limit stop is installed at one end of the cross frame. The clamping and conveying mechanism includes two fixed frames, which are fixedly installed on the cross frame. Multiple movable components are slidably connected to the fixed frames and are arranged at equal intervals. Multiple slidable clamping components are installed on the movable components. The clamping components are used to clamp and limit the material. The movable components move cyclically along the fixed frames. The fan is set between workbench one and workbench two. An air inlet pipe is fixedly installed on the fan. An air outlet pipe is set on one side of the end of the air inlet pipe. The air outlet pipe is installed on a fixed frame. The air outlet pipe can be squeezed and deflected by the clamp assembly at the corresponding position. A pressure sensor is installed on both the air inlet pipe and the air outlet pipe. Rotary wheels are provided at both ends of the inner side of the fixed frame, and a rotating shaft is fixedly installed between the two opposing rotary wheels. The rotating shaft is rotatably installed with the span frame, and a transmission belt is connected between the two rotary wheels located on the same plane. The transmission belt is used to drive multiple moving components on the corresponding fixed frame to move. A drive motor is provided on one side of one of the two transmission shafts. The drive motor is fixedly installed with the span frame, and the output end of the drive motor is connected to the adjacent transmission shaft. The moving component includes a wheel frame with two rollers mounted on it. The wheel frame is slidably connected to a corresponding fixed frame via the rollers. A rail is fixedly mounted at one end of the wheel frame. The clamping assembly is slidably connected to the rail. The wheel frame is fixedly connected to a transmission belt on the adjacent side. The clamp assembly includes a slide and a through plate. The through plate is rotatably connected to the bottom end of the slide, and the rotatable connection between the slide and the through plate is located on one side of the bottom end of the slide. The rotation axis of the air outlet pipe is coaxial with the deflection axis of the corresponding through plate. The slide is slidably connected to the rail, and a compression spring is installed between the inner walls of the slide and the rail. A vent hole is provided in the middle of the through plate for receiving materials. Sliding cavities are provided on both sides of the vent hole inside the through plate. Baffles are slidably inserted into the inner walls of the sliding cavities, and the baffles are fixedly connected to the inner walls of the sliding cavities. There are multiple return springs. One end of the baffle extends into the vent hole to block the material. A movable cavity is opened on one side of the through plate. A cylinder is fixedly installed on the baffle. A tension band is movably arranged on the movable cavity. The tension band is located between the cylinder and the inner wall of the movable cavity. A limit frame is fixedly connected to the outer side of one end of the fixed frame. The limit frame is used to squeeze the slide, so that the slide slides along the rail, thereby driving two opposing clamping assemblies to move closer and separate, thereby clamping and releasing the material. A back plate is detachably installed on one side of the through plate. The back plate is used to shield the movable cavity.

2. The automatic detection device for a honeycomb ceramic filter according to claim 1, characterized in that, Above the first conveyor belt and the second conveyor belt, a first pressure belt and a second pressure belt are respectively provided. The pressure belt is fixedly connected to the two fixed frames by a spring sleeve. The pressure belt is provided with a freely movable conveyor belt body, and the conveyor belt body is provided with longitudinal anti-slip texture.

3. The automatic detection device for a honeycomb ceramic filter according to claim 1, characterized in that, Both the top of the slide block and the through plate are provided with sliding holes. A second insertion rod is slidably inserted into the sliding hole at the top of the through plate, and a first insertion rod is slidably inserted into the sliding hole of the slide block. When the first insertion rod moves down to the lowest position in the slide block, the bottom end of the first insertion rod is flush with the bottom end of the slide block. The bottom end of the second insertion rod extends into the movable cavity and abuts against the tension band. The movable cavity is recessed inward at the position corresponding to the second insertion rod. A cylinder is provided above the air outlet pipe. The cylinder is fixedly installed on an adjacent fixed frame. The output end of the cylinder is used to press the first insertion rod downward.

4. The automatic detection device for a honeycomb ceramic filter according to claim 3, characterized in that, Both the bottom of the slide and the top of the through plate are embedded with magnetic blocks, and the two magnetic blocks attract each other. The magnetic blocks are used to attract and limit the through plate to prevent the through plate from deflecting freely without external force.

5. The automatic detection device for a honeycomb ceramic filter according to claim 4, characterized in that, One end of the limiting frame one converges towards the middle, and the other end of the limiting frame one is a horizontal section. The limiting frame one has a converging part at one end of the horizontal section and an outward expansion part at the other end of the horizontal section. The worktable one is equipped with a limiting frame two at the position corresponding to the converging part. The limiting frame two is used to limit the bottom end of the through plate to prevent the through plate from being squeezed outward by the material during the material clamping process.

6. The automatic detection device for a honeycomb ceramic filter according to claim 5, characterized in that, A snap-fit ​​assembly is installed between the outer wall of the air outlet duct and the two fixed brackets. The snap-fit ​​assembly is used to regulate the rotation of the air outlet duct. The snap-fit ​​assembly includes a connecting seat, which is fixedly installed between the two fixed brackets. Arc rods are fixedly connected to both sides of the outer wall of the air outlet duct. Arc tubes are fixedly connected to both ends of the connecting seat. The center of the arc tube coincides with the deflection axis of the through plate located at one end of the air outlet duct. The arc rods are slidably inserted into the adjacent arc tubes. A sleeve is fixedly connected to the outer wall of one end of the arc tube. A snap-fit ​​connector is slidably connected to the inner wall of the sleeve. One end of the snap-fit ​​connector is inserted into the arc tube. A notch is opened at the top of the arc rod to fit one end of the snap-fit ​​connector. A return spring is installed between one end of the snap-fit ​​connector and the inner wall of the sleeve. A pull rope is connected to the other end of the snap-fit ​​connector. One end of the pull rope passes through one end of the sleeve. A trigger assembly is installed on the outer wall of one end of the air outlet duct. The trigger assembly is used to drive the snap-fit ​​connector to slide by pulling the rope.

7. The automatic detection device for a honeycomb ceramic filter according to claim 6, characterized in that, The triggering component includes a rocker arm, which is rotatably connected to the air outlet pipe. A rocker arm is fixedly connected to the outer wall of the triggering component. Both ends of the rocker arm are fixedly connected to rocker arms, and one end of each rocker arm is tied to one end of an adjacent pull rope.

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