Filter disc detection device
The automated design of the filter detection device solves the pollution problem caused by manual recycling, realizes automated detection and classification collection of filters, improves detection efficiency and the hygienic quality of filters, and ensures the safety of hemodialysis treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-03-06
AI Technical Summary
In the current filter testing process, manual recycling of substandard filters can easily introduce bacterial contamination, affecting filter quality and the safety of hemodialysis treatment, and the testing efficiency is low.
A filter sheet testing device was designed, which adopts automatic feeding, support, clamping and testing components to realize the automated testing and classification collection of filter sheets, reduce manual operation, ensure the hygiene and cleanliness of filter sheets and improve testing efficiency.
It enables automated detection and sorting of filter sheets, avoiding contamination introduced by manual operation, improving detection efficiency and the hygienic quality of filter sheets, and ensuring the safety of hemodialysis treatment.
Smart Images

Figure CN223970416U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter testing technology, and more specifically, to a filter testing device. Background Technology
[0002] In hemodialysis and related treatments, hemodialysis concentrate B dry powder container is used. The main component of the B dry powder container is sodium bicarbonate. After being dissolved in the hemodialysis machine, it generates alkaline dialysate, which is used to neutralize metabolic acidosis caused by renal failure in patients and maintain the stability of blood pH. It has become an indispensable consumable in modern hemodialysis treatment.
[0003] Because the B-type dry powder tank has extremely high requirements for the filtration rate and solid particle permeability of the dissolved solution, it is equipped with a 200-mesh filter to filter the concentrated solution. However, if the temperature is not properly controlled during the hot-melt welding of the PVC material of the filter element in the production process, it can lead to local deformation or uneven melting of the filter element, creating weak points. In addition, if the production environment does not meet the Class C cleanliness requirements, dust particles or microorganisms can be introduced through the air or by personnel, causing contamination and blockage on the surface of the filter element. As a result, the filter element will lose its filtration barrier function, allowing bacteria to enter the dialysate. Therefore, after the filter element is produced, it needs to be tested, mainly by pressurizing the filter element with purified compressed gas. However, the filter element that fails the test can only be manually recovered after the machine is stopped, which will affect the efficiency of the filter element testing. Since the recovery is done manually, if the workers' hands are contaminated with bacteria or dirt, they will transfer bacteria or dirt to the filter element during manual recovery, which will contaminate some qualified filter elements. This will create an infection risk for the filter element in subsequent hemodialysis treatment, affecting the safety of hemodialysis treatment. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a filter detection device.
[0005] The technical solution is as follows:
[0006] A filter element testing device includes an equipment operating table, a feeding rack fixedly connected to the upper surface of the equipment operating table, a discharging rack fixedly connected to the upper surface of the equipment operating table, and a support assembly provided on the top of the equipment operating table.
[0007] The support assembly includes a material discharge trough located in the middle of the equipment operating table. Two fixed platforms are fixedly connected to the top of the equipment operating table. Each fixed platform has a rotating groove. An arc frame is slidably connected to each fixed platform. A toothed ring is fixedly connected to the lower surface of each arc frame. A gear is rotatably connected inside each fixed platform. Two movable grooves are opened on the side of each arc frame that is close to each other. An electromagnet is fixedly connected inside each movable groove. A movable rod is slidably connected inside each movable groove. A support frame is fixedly connected to the end of each movable rod away from the electromagnet. A spring is sleeved on the outside of each movable rod.
[0008] Furthermore, the feeding rack is equipped with an inclined section and a vertical section. The inclined section of the feeding rack is connected to the vibratory feeder automatic feeding device, and the discharge rack is set at an incline. The side of the discharge rack away from the equipment operating table is connected to the collection device.
[0009] Furthermore, the cross-section of the rotating groove is T-shaped, and the cross-sectional shape of the toothed ring is adapted to the cross-sectional shape of the rotating groove. The two toothed rings slide inside the two rotating grooves respectively. Both gears are driven by servo motors, and the two gears mesh with the two toothed rings respectively. The end of each movable rod near the electromagnet is made of metal iron, and the two ends of the spring are fixedly connected to the groove wall of the movable groove and the support frame respectively.
[0010] Furthermore, the two support frames are located directly above the material discharge trough. Each support frame consists of a fan-shaped plate and two side rods fixed on both sides of its top. After the two support frames are attached, there is a space between their side rods, and the space between the side rods of the support frames is located directly below the vertical section of the feeding frame.
[0011] Furthermore, the equipment operating platform is equipped with two clamping assemblies for sealing and holding the filter elements. Each clamping assembly includes two actuator cylinders fixedly connected to the top of the equipment operating platform. A connecting rod and a connecting fixing plate are fixedly connected to the telescopic shaft of each actuator cylinder. Multiple straight grooves arranged in a ring are opened on both connecting fixing plates. Multiple electric telescopic rods are fixedly connected to the outer surface of each connecting rod. A sliding rod is fixedly connected to the telescopic shaft of each electric telescopic rod. Each sliding rod slides in the straight groove, and a clamping plate is fixedly connected to one end of each sliding rod.
[0012] Furthermore, each clamping plate is arranged in a circular array, and a rubber plate is fixedly connected to the side of each clamping plate away from the slide bar. The thickness of the clamping plate is adapted to the thickness of the side rod of the support frame. The outer edge of the rubber plate is provided with an arc-shaped protrusion. The thickness of one side rubber plate and the other side rubber plate after being attached is adapted to the size of the gap between the two attached support frame side rods.
[0013] Furthermore, a detection component is provided on the connecting rod. The detection component includes a ventilation slot opened in the two connecting rods. A connecting pipe is fixedly connected to each of the two connecting rods. An air pump is fixedly connected to the connecting pipe. A flow meter is fixedly connected to the connecting pipe. An alarm is fixedly connected to the flow meter.
[0014] Furthermore, both ventilation slots are L-shaped, and the middle of the two connecting fixing plates is provided with through holes corresponding to the ventilation slots. The side of the two connecting fixing plates away from the connecting tie rod is provided with an extension tube, which is connected to the through hole. The extension tube is flush with the rubber plate, and the connecting tube is connected to the inside of the ventilation slot.
[0015] Based on the above, the beneficial effects of the filter detection device of this utility model are as follows:
[0016] The tilted support frame causes the filter discs to roll to one side of the discharge rack. The filter discs then roll onto the collection device, thus achieving automatic collection of qualified filter discs. This reduces the need for manual handling. The automated design prevents filter disc contamination, improves filter disc testing efficiency, and ensures the cleanliness of the filter discs.
[0017] By eliminating the support frame for the filter element, the filter element falls from the discharge trough under the action of gravity and falls into the collection bucket for recycling. This achieves the effect of automatic recycling of waste filter elements, reduces the need for manual recycling, and improves the overall work efficiency of filter element testing.
[0018] By using the clamping plates to push and press against the filter from both sides, the filter can be straightened, keeping it in a vertical position. This prevents misalignment during subsequent wrapping due to the filter tilting, reduces the problem of unsatisfactory wrapping effect caused by misalignment, and ensures the airtightness of the wrapped filter.
[0019] The fully polymerized clamping plate allows the protrusions on its rubber plate to wrap and seal the edges of the filter, thus completely sealing the filter in a closed space. This ensures the airtightness during subsequent gas pressure testing of the filter, preventing air leakage that could lead to testing errors and improving the effectiveness of the filter testing.
[0020] Upon detecting a defective filter element, the flow meter triggers an alarm via the controller, thus providing an early warning for the defective product. Attached Figure Description
[0021] Figure 1 This is a three-dimensional schematic diagram of the overall components of this utility model;
[0022] Figure 2This is a three-dimensional cross-sectional view of the components of this utility model, including the material leakage trough, the material supply rack, and the material discharge rack.
[0023] Figure 3 This is a three-dimensional schematic diagram of the gear, gear ring, swing frame and other components of this utility model;
[0024] Figure 4 This is a three-dimensional schematic diagram of the fixed platform, swing arc frame and other components of this utility model;
[0025] Figure 5 This utility model Figure 4 Enlarged schematic diagram of component A in the middle;
[0026] Figure 6 This is a three-dimensional schematic diagram of the movable rod, spring, support frame, and other components of this utility model;
[0027] Figure 7 This is a three-dimensional cross-sectional view of the overall components of this utility model;
[0028] Figure 8 This is a three-dimensional schematic diagram of the components of this utility model, including the slide bar, straight groove, flow meter, and alarm.
[0029] Figure 9 This is a three-dimensional schematic diagram of the slide bar and clamping plate of this utility model;
[0030] Figure 10 This is a three-dimensional schematic diagram of the components of this utility model, including the electric telescopic rod, clamp, connecting pipe, and air pump.
[0031] The reference numerals in the accompanying drawings of this utility model are as follows:
[0032] 1. Equipment control panel; 2. Feeding rack; 21. Discharge rack;
[0033] Support components: 31. Fixed platform; 32. Rotating groove; 33. Arc frame; 34. Gear ring; 35. Gear; 36. Movable groove; 37. Electromagnet; 38. Movable rod; 39. Spring; 310. Support frame; 311. Material discharge chute;
[0034] Clamping components: 41. Actuating cylinder; 42. Connecting rod; 43. Connecting fixing plate; 44. Straight groove; 45. Electric telescopic rod; 46. Slide rod; 47. Clamping plate; 471. Rubber plate;
[0035] Detection components: 51. Ventilation duct; 52. Connecting pipe; 53. Air pump; 54. Detection flow meter; 55. Alarm. Detailed Implementation
[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0037] The embodiments provided by this utility model will be described in detail below:
[0038] like Figures 1 to 7 As shown, a filter testing device includes an operating table 1. Figure 1 In the diagram, 'a' represents the left side and 'b' represents the right side. The upper surface of the equipment operating table 1 is fixedly connected to the feeding rack 2 by bolts. The feeding rack 2 is provided with an inclined section and a vertical section. The inclined section of the feeding rack 2 is connected to the vibratory feeder automatic feeding device. During the automatic feeding process of the vibratory feeder automatic feeding device, the filter sheets can be accurately fed through the feeding rack 2. The upper surface of the equipment operating table 1 away from the feeding rack 2 is fixedly connected to the discharge rack 21 by bolts. The discharge rack 21 is inclined to facilitate the collection of qualified filter sheet products. The side of the discharge rack 21 away from the equipment operating table 1 is connected to the collection device. The top of the equipment operating table 1 is provided with a support component for supporting the filter sheets.
[0039] The support assembly includes a material discharge trough 311 located in the middle of the equipment operating platform 1. Two fixed platforms 31, symmetrical about the material discharge trough 311, are fixedly connected to the top of the equipment operating platform 1. Each fixed platform 31 has a rotating groove 32 with a T-shaped cross-section. An arc frame 33 is slidably connected to each fixed platform 31. A toothed ring 34 is fixedly connected to the lower surface of each arc frame 33, with its cross-sectional shape matching the rotating groove 32. The two toothed rings 34 slide within the two rotating grooves 32. A gear 35 is rotatably connected inside each fixed platform 31, driven by a servo motor. The two gears 35 mesh with the two toothed rings 34. Two movable grooves 36 are located on the side of each arc frame 33 that is close to each other. An electromagnet 37 is fixedly connected inside each movable groove 36, and a movable rod 38 is slidably connected inside each movable groove 36. Two movable rods 38 on the same side form a set. Two sets of movable rods 38 are provided. The end of each movable rod 38 closest to the electromagnet 37 is made of metal iron. The ends of the two movable rods 38 furthest from the electromagnet 37 are fixedly connected to a support frame 310. The two support frames 310 are located directly above the material discharge trough 311. Each support frame 310 consists of a fan-shaped plate and two side rods fixed on both sides of its top. When the two support frames 310 are attached, there is a space between their side rods. The width of this space is greater than the thickness of the filter sheet, so that the filter sheet can fall into the space between the two sets of side rods. The side rods can support the filter sheet and prevent it from tilting at a large angle, thus avoiding misalignment during subsequent clamping. The space between the side rods of the support frame 310 is located directly below the vertical section of the feeding rack 2. When the feeding rack 2 feeds material, the filter sheet can fall into the space between the side rods of the support frame 310. A spring 39 is sleeved on the outside of each movable rod 38. The two ends of the spring 39 are fixedly connected to the groove wall of the movable groove 36 and the support frame 310, respectively.
[0040] like Figure 1 , Figure 2 , Figure 3 , Figures 7 to 10As shown, the equipment operating table 1 is equipped with two clamping assemblies for sealing and clamping filter sheets. Each clamping assembly includes two symmetrically arranged actuator cylinders 41 bolted to the top of the equipment operating table 1 about the feed rack 2. A connecting rod 42 is fixedly connected to the telescopic shaft of each actuator cylinder 41. A connecting fixing plate 43 is fixedly connected to the end of each connecting rod 42 away from the actuator cylinder 41. Multiple straight grooves 44 arranged in a ring are opened on each connecting fixing plate 43. Multiple electric telescopic rods 45 arranged in a ring array are fixedly connected to the outer surface of each connecting rod 42. The telescopic shaft of each electric telescopic rod 45... Each of the support frames 310 has a fixed sliding rod 46 connected to it. Each sliding rod 46 slides in the corresponding straight groove 44. One end of each sliding rod 46 is fixedly connected to a clamping plate 47. Each clamping plate 47 is arranged in a ring array. The side of each clamping plate 47 away from the sliding rod 46 is fixedly connected to a rubber plate 471. The thickness of the clamping plate 47 is adapted to the thickness of the side rod of the support frame 310. The outer edge of the rubber plate 471 is provided with an arc-shaped protrusion, which can wrap and seal the outer edge of the filter when clamping the filter. The thickness of one side rubber plate 471 and the other side rubber plate 471 after they are attached is adapted to the size of the gap between the two attached side rods of the support frame 310.
[0041] Among them: gaps are formed between each pair of clamping plates 47. Since the clamping plates 47 are arranged in a ring array, there is a gap on both sides of each clamping plate 47. The gaps on both sides of the bottom clamping plate 47 correspond to the positions of the side rods of the support frame 310.
[0042] It should be noted that when two adjacent clamping plates 47 are joined together, there is still a gap between the two clamping plates 47, and the size of this gap is adapted to the side rod of the support frame 310. When the rubber plate 471 wraps around and clamps the filter, the support frame 310 will not affect the clamping of the rubber plate 471.
[0043] like Figure 1 , Figure 7 , Figure 8 and Figure 10 As shown, the connecting rod 42 is equipped with a detection component for detecting whether the filter is damaged or blocked. The detection component includes an air vent 51 opened in the two connecting rods 42. Both air vents 51 are L-shaped. The middle of the two connecting fixing plates 43 is provided with a through hole corresponding to the air vent 51. The side of the two connecting fixing plates 43 away from the connecting rods 42 is provided with an extension tube. The extension tube is connected to the through hole and is flush with the rubber plate 471. Both connecting rods 42 are fixedly connected with a connecting pipe 52 corresponding to the position of the air vent 51. The connecting pipe 52 is connected to the inside of the air vent 51. An air pump 53 is fixedly connected to the left connecting pipe 52, and a flow meter 54 is fixedly connected to the right connecting pipe 52. An alarm 55 is fixedly connected to the flow meter 54.
[0044] Based on the above preferred embodiments, the following is the complete working process and working principle of the above embodiments:
[0045] The initial state is:
[0046] Spring 39 keeps the two support frames 310 in a state of mutual contact, the telescopic shaft of the actuator 41 is not extended, and at this time the telescopic shaft of the electric telescopic rod 45 is in the extension device, so that the multiple clamping plates 47 are not converged.
[0047] Filter sheet feeding:
[0048] The staff places the collection bucket directly below the leakage trough 311. Under the automatic feeding action of the vibrating plate automatic feeding device, the filter sheets to be tested are automatically fed, so that the filter sheets are transported to the upper part of the feeding rack 2. The filter sheets first roll in the inclined section of the uppermost section of the feeding rack 2 to the vertical section of the feeding rack 2. Under the action of gravity, they fall down from the vertical section of the feeding rack 2 into the space between the side rods of the two support frames 310. Under the support of the two side rods, the filter sheets can maintain initial support. The position of the filter sheets in the space between the side rods of the support frames 310 has a height difference from the center of the connecting fixing plate 43. The center height of the filter sheets is lower than the center height of the connecting fixing plate 43.
[0049] The clamping assembly provides a sealed clamping grip on the filter element:
[0050] After the filter element falls onto the support frame 310, the controller controls the telescopic shafts of the two actuator cylinders 41 to extend synchronously. The extension of the telescopic shafts of the two actuator cylinders 41 causes the two connecting rods 42 to bring the structures of the two sets of clamping components closer together horizontally. When the rubber plates 471 in one set of clamping components and the rubber plates 471 in the other set of clamping components respectively abut against the sides of the filter element located in the side rod space of the support frame 310, each set of rubber plates 471 will abut against the filter element. Furthermore, the arc-shaped protrusions of the two sets of rubber plates 471... The corresponding elements will resist each other, and the rubber plates 471 will push and press against each other from both sides to straighten the filter sheet, keeping it in a vertical position. This prevents misalignment during subsequent wrapping due to filter sheet tilting, reducing the problem of unsatisfactory wrapping effect caused by misalignment and ensuring the airtightness of the wrapping. At this time, the side rods of the support frame 310 are exactly located in the gaps on both sides of the bottom clamping plate 47, that is, each set of bottom clamping plates 47 will be located between the two side rods of the two support frames 310. Then, the controller controls the retraction of the telescopic shafts of all the electric telescopic rods 45. The telescopic shafts of the electric telescopic rods 45 will drive the corresponding slide rods 46 to move towards the center of the connecting fixing plate 43 in the straight groove 44. At this time, the slide rods 46 are in a convergence movement towards the center of the connecting fixing plate 43, and drive the clamping plate 47 to converge synchronously. The arc-shaped protrusion of a rubber plate 471 at the bottom will lift the filter, allowing the filter to move upward. The center of the filter can be kept horizontally concentric with the center of the fully converged rubber plate 471. At this time, the rubber plate 471 is located in the space between the side rods of the support frame 310, which allows multiple rubber plates 471 to come together and stick to each other. The arc-shaped protrusion on the outer surface of the fully converged rubber plate 471 wraps and seals the edge of the filter, thus making the filter completely sealed in a closed space. This ensures the sealing performance during the subsequent gas pressure test of the filter, avoids air leakage that could cause test errors, and improves the effectiveness of the filter test.
[0051] The testing component performs airflow impact testing on the filter:
[0052] The controller starts the gas pump 53, which delivers the purified compressed gas to the connecting pipe 52 on the left. Figure 7The left connecting pipe 52 therein, where the gas pressure is 0.2 Mpa. After the gas enters the left ventilation groove 51 through the left connecting pipe 52, the gas is then transported to the enclosed space after the clamping plates 47 are combined through the extension pipe on the left connecting fixing plate 43. The gas will quickly press the filter element in the combined space of the clamping plates 47. After the gas passes through the filter element, it enters the extension pipe on the right connecting fixing plate 43. Then the gas enters the right ventilation groove 51 through the extension pipe on the right connecting fixing plate 43. Finally, the gas enters the right connecting pipe 52 through the right ventilation groove 51 and is then transported to the detection flowmeter 54. The detection flowmeter 54 monitors the gas flow rate and flow velocity transported into it. The flow rate and flow velocity can reach 30 - 35 L / min and be stably output for 1 second. If the flow rate and flow velocity values monitored by the detection flowmeter 54 are within the above thresholds, then the filter element is a qualified product. If the flow rate and flow velocity are lower than or higher than the above thresholds, it is determined that the filter membrane of the product is blocked or damaged, and the filter element is an unqualified product. If an unqualified filter element is detected, at this time, the detection flowmeter 54 controls the alarm 55 through the controller to give an alarm, thereby realizing early warning of unqualified products.
[0053] The support component classifies the filter elements:
[0054] After it is determined to be a qualified product, at this time, the controller controls the telescopic shafts of the two actuating cylinders 41 to contract, the telescopic shaft of the electric telescopic rod 45 to extend, and controls the gas pump 53 to stop pumping gas. After the telescopic shaft of the electric telescopic rod 45 extends, it will带动 the clamping plates 47 to move synchronously in all directions through the slide bar 46. At this time,the protrusions on the rubber plate 471带动 by the clamping plates 47 no longer contact the edge of the filter element. At the same time, when the telescopic shaft of the actuating cylinder 执行气缸41 contracts, it will cause the connecting pull rod 42 to带动 all the structures of the clamping component on it to move to both sides, so that the clamping plates 47 and the rubber plate 471 are no longer located between the side rods of the support frame 310. At this time, under the control of the controller, the servo motor on the gear 35带动 the gear 35 to rotate. The gear 35带动 the toothed ring 34 to slide inside the rotating groove 32 toward the side close to the feeding rack 2. The toothed ring 34带动 the arc-shaped frame 33 to move toward the side close to the feeding rack 2 on the top of the fixed table 31. The arc-shaped frame 33带动 the support frame 310 to tilt through the movable groove 36 and the movable rod 38. The tilting direction of the support frame 310 is toward the side close to the discharging rack 21. The tilted support frame 310 causes the filter element to tilt at the same time. The tilted support frame 310 causes the filter element to roll toward the side of the discharging rack 21. The filter element will roll onto the collecting device on the discharging rack 21, thereby realizing the effect of automatically collecting qualified filter elements, reducing the steps that need to be taken manually. Through the automated design, it can avoid the filter element from being contaminated, improving the detection efficiency of the filter element while also ensuring the hygiene and cleanliness of the filter element.
[0055] Furthermore, when a product is determined to be defective, after the rubber plate 471 stops clamping the filter, the controller will energize the electromagnet 37. Since the movable rod 38 is made of metal iron, the electromagnet 37 will magnetically attract the movable rod 38 after it is energized, causing the movable rod 38 to move towards the side of the electromagnet 37 inside the movable groove 36. The movement of the movable rod 38 will drive the support frame 310 to move to both sides. At this time, the support frame 310 no longer supports the filter. Under the action of gravity, the filter will fall down from the leakage trough 311 and fall into the collection bucket for recycling, realizing the effect of automatic recycling of waste filter, reducing the need for manual recycling steps, and improving the overall work efficiency of filter detection.
[0056] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A filter detection device, characterized by, Including equipment operating platform (1), the upper surface of equipment operating platform (1) is fixedly connected with feeding frame (2), the upper surface of equipment operating platform (1) is fixedly connected with discharge frame (21), and the top of equipment operating platform (1) is provided with support assembly; The support assembly includes a leakage chute (311) opened in the middle of the equipment operating platform (1), two fixed tables (31) fixedly connected to the top of the equipment operating platform (1), a rotating groove (32) opened in each of the two fixed tables (31), an arc frame (33) slidingly connected to each of the two fixed tables (31), a gear ring (34) fixedly connected to the lower surface of each of the two arc frames (33), a gear (35) rotatably connected to the inside of each of the two fixed tables (31), two movable grooves (36) opened in the side of each of the two arc frames (33) close to each other, an electromagnet (37) fixedly connected to the inside of each of the two movable grooves (36), an movable rod (38) slidingly connected to the inside of each of the two movable grooves (36), and a support frame (310) fixedly connected to the end of each of the two movable rods (38) away from the electromagnet (37), wherein a spring (39) is sleeved on the outside of each of the two movable rods (38).
2. The filter detection apparatus of claim 1, wherein The feeding frame (2) is provided with an inclined section and a vertical section, the inclined section of the feeding frame (2) is connected with the vibration disc automatic feeding device, and the discharge frame (21) is inclined and connected with the collecting device on the side away from the equipment operating platform (1).
3. The filter detection apparatus of claim 1, wherein The cross section of the rotating groove (32) is T-shaped, the cross section shape of the gear ring (34) is matched with the cross section shape of the rotating groove (32), the two gear rings (34) are slidingly arranged in the two rotating grooves (32) respectively, the two gears (35) are driven by servo motors, the two gears (35) are meshed with the two gear rings (34) respectively, the end of each movable rod (38) close to the electromagnet (37) is made of metal iron, and the two ends of the spring (39) are fixedly connected with the groove wall of the movable groove (36) and the support frame (310) respectively.
4. The filter detection apparatus of claim 1, wherein The two support frames (310) are located directly above the leakage chute (311), each of the two support frames (310) is composed of a fan-shaped plate and two side rods fixed to the top of the fan-shaped plate, and a space is left between the side rods of the two support frames (310) after being attached, and the space between the side rods of the support frame (310) is located directly below the vertical section of the feeding frame (2).
5. The filter detection apparatus of claim 4, wherein The device operating table (1) is provided with two clamping assemblies for sealing and clamping filter sheets, and the clamping assembly comprises two execution cylinders (41) fixedly connected to the top of the device operating table (1), a connecting pull rod (42) fixedly connected to the telescopic shaft of each execution cylinder (41), a connecting fixed plate (43), a plurality of straight grooves (44) arranged in a ring-shaped array on each connecting fixed plate (43), a plurality of electric telescopic rods (45) fixedly connected to the outer surface of each connecting pull rod (42), a sliding rod (46) fixedly connected to the telescopic shaft of each electric telescopic rod (45), each sliding rod (46) sliding in the straight groove (44), and a clamping plate (47) fixedly connected to one end of each sliding rod (46).
6. The filter detection apparatus of claim 5, wherein Each clamping plate (47) is arranged in a ring-shaped array, and a rubber plate (471) is fixedly connected to the side of each clamping plate (47) away from the sliding rod (46), the thickness of the clamping plate (47) is adapted to the thickness of the side rod of the support frame (310), and the outer edge of the rubber plate (471) is provided with an arc-shaped protrusion, the thickness of the rubber plate (471) after being attached to the rubber plate (471) on the other side is adapted to the size of the gap between the side rods of the two support frames (310) after being attached.
7. The filter detection apparatus of claim 5, wherein A detection assembly is arranged on the connecting pull rod (42), and the detection assembly comprises an air passage (51) formed in the two connecting pull rods (42), a connecting pipe (52) fixedly connected to each connecting pull rod (42), a gas conveying pump (53) fixedly connected to the connecting pipe (52), a detection flow meter (54) fixedly connected to the connecting pipe (52), and an alarm (55) fixedly connected to the detection flow meter (54).
8. The filter detection apparatus of claim 7, wherein The two air passages (51) are both L-shaped, a through hole corresponding to the air passage (51) is formed in the middle of each connecting fixed plate (43), an extension pipe is arranged on the side of each connecting fixed plate (43) away from the connecting pull rod (42), the extension pipe is in communication with the through hole, the extension pipe is flush with the rubber plate (471), and the connecting pipe (52) is in communication with the inside of the air passage (51).