Gas card automatic filling equipment

Abstract

The present invention relates to the technical field of special equipment, and specifically discloses an automatic liquid filling device for gas collecting cards with high production efficiency, including a control box, a conveyor belt, a silo, an indicator liquid filling mechanism, an absorption liquid filling mechanism, a receiving mechanism and a stacking and discharging mechanism. The control box contains a processing unit for controlling the actions of each mechanism. The conveyor belt is arranged on the top of the control box and is provided with several rows of limiters with multiple clamping positions. The silo is used to simultaneously send multiple gas collecting cards to be filled into corresponding clamping positions on the conveyor belt. The indicator liquid filling mechanism, the absorption liquid filling mechanism and the receiving mechanism are sequentially installed on the top of the control box along the conveying direction of the conveyor belt. The indicator liquid filling mechanism is used to inject the indicator into the gas collecting card; the absorption liquid filling mechanism is used to inject the absorption liquid into the gas collecting card; the receiving mechanism is used to grab the gas collecting card after liquid filling and stack the gas collecting card. The stacking and discharging mechanism is arranged at the output end of the conveyor belt and is used to receive the gas collecting card transferred by the receiving mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of special equipment, in particular to an automatic liquid injection device for a gas collecting card. Background Art

[0002] The gas collection card is a device used to collect carbon dioxide gas exhaled by the human body. It detects the indicators of carbon dioxide gas to indicate whether the human body is infected with certain diseases, so as to provide targeted treatment for the patient's condition. During the production process of the gas collection card, it is necessary to inject an indicator into the gas collection card so that medical staff can diagnose the patient's condition with the help of the changes in the indicator during the detection process.

[0003] However, the traditional gas collection card filling operation mainly adopts manual filling. Specifically, the operator injects the indicator into the indicator cotton in the gas collection card with a pipette, and then applies the absorption liquid to the absorption pad in the gas collection card through a homemade coating bottle. After the coating is completed, the gas collection card is manually placed on a stainless steel pallet in a certain direction. After each pallet is coated, the pallets are manually stacked into a pile, thus completing the entire filling process of the gas collection card. This filling method has high labor intensity, low production efficiency, and is prone to errors during the operation, resulting in unstable product quality problems. Summary of the invention

[0004] Based on this, it is necessary to provide an automatic liquid filling device for a gas collection card to address the technical problem of low production efficiency.

[0005] A gas collecting card automatic filling device, the gas collecting card automatic filling device comprises a control box, a conveyor belt, a silo, an indicator filling mechanism, an absorbent filling mechanism, a material receiving mechanism and a stacking and discharging mechanism, the control box contains a processing unit for controlling the actions of each mechanism, the conveyor belt is arranged on the top of the control box, and a plurality of rows of limit members are evenly arranged on the conveying surface of the conveyor belt along its length direction, the limit members extend along the bandwidth direction of the conveyor belt and include a plurality of evenly arranged clamping positions, the silo is arranged at the input end of the conveyor belt and has a plurality of drop-out ports, each of the drop-out ports corresponds to a clamping position, the silo is used to simultaneously deliver a plurality of gas collecting cards to be filled with liquid into the conveyor belt, and each of the gas collecting cards to be filled with liquid falls into a corresponding clamping position through a drop-out port. The indicator injection mechanism, the absorption liquid injection mechanism and the receiving mechanism are sequentially installed on the top of the control box along the conveying direction of the conveyor belt. The indicator injection mechanism and the absorption liquid injection mechanism are respectively provided with a plurality of injection units for injecting liquid into the gas collecting card, and each injection unit corresponds to a said clamping position. The indicator injection mechanism is used to access the indicator from the external indicator storage barrel and inject the indicator into the gas collecting card in the clamping position; the absorption liquid injection mechanism is used to access the absorption liquid from the external absorption liquid storage barrel and inject the absorption liquid into the gas collecting card containing the indicator in the clamping position; the receiving mechanism is used to simultaneously grab the plurality of injected gas collecting cards on the conveyor belt and stack the gas collecting cards. The stacking discharging mechanism is provided at the output end of the conveyor belt and connected to the control box, and is used to receive the gas collecting cards transferred by the receiving mechanism.

[0006] In one embodiment, the automatic liquid filling equipment for the gas collecting card also includes a front and back side detection mechanism, which is adjacent to the output end of the silo and corresponds to the conveying surface of the conveyor belt, and is used to detect the gas collecting card placed upside down in the card position and report an error to the processing unit.

[0007] In one of the embodiments, the front and back detection mechanism includes a photoelectric sensor, which is used to detect the liquid injection hole on the gas collection card and report an error to the processing unit if the liquid injection hole is not detected.

[0008] In one of the embodiments, the automatic liquid filling device for the gas collecting card further comprises a rejecting and replenishing mechanism, which is used to reject the gas collecting card that is flipped and placed in the card position, and place the gas collecting card that is not filled with liquid on the outside in the card position.

[0009] In one embodiment, the rejection and feeding mechanism includes a traction member and a vacuum suction nozzle, the traction member is used to pull the vacuum suction nozzle close to or away from the conveyor belt, and the traction member is also used to pull the vacuum suction nozzle to move in a plane parallel to the conveying surface of the conveyor belt, and the vacuum suction nozzle is connected to an external vacuum pump, and is used to suck and remove the gas collecting card placed upside down in the card position or to suck up the unfilled gas collecting card in the external feeding bin and place it into the empty card position.

[0010] In one of the embodiments, there is a limiting space between the bottom of the silo and the top surface of the conveyor belt, and the height of the limiting space is less than the thickness of a single gas collecting card.

[0011] In one embodiment, the material receiving mechanism is a robot arm, and a suction cup is provided at the grasping end of the robot arm. The suction cup is connected to an external suction pump and is used to grasp the gas collection card with liquid injection in the card position and transfer the gas collection card to the stacking and discharging mechanism.

[0012] In one embodiment, the stacking and discharging mechanism includes a frame, a driving member and a gripper. The frame is detachably connected to the control box and is located at the output end of the conveyor belt. The driving member is installed on the frame. The gripper is installed at the output end of the driving member. The driving member drives the gripper to move in a vertical direction under the control of the processing unit. The gripper is used to receive the overlapping trays that contain the gas collecting cards after liquid injection.

[0013] The automatic liquid filling equipment for gas collecting cards of the present invention is implemented by setting devices such as a hopper, an indicator liquid filling mechanism, an absorbent liquid filling mechanism, a receiving mechanism and a stacking and discharging mechanism. The hopper can transport multiple gas collecting cards to the conveyor belt at one time, so that the indicator liquid filling mechanism can inject indicators into multiple gas collecting cards at the same time and the absorbent liquid filling mechanism can inject absorbent liquid into multiple gas collecting cards at the same time. Finally, the receiving mechanism stacks multiple gas collecting cards on the stacking and discharging mechanism at one time, which greatly improves the efficiency of the gas collecting card filling operation. After a certain number of gas collecting cards are stacked on the stacking and discharging mechanism, they are uniformly transported, which reduces the frequency of transporting gas collecting card pallets, further reduces the labor intensity of operators, and reduces labor costs. The filling process replaces the traditional manual filling operation, avoids the problem of gas collecting card filling errors caused by fatigue or other subjective factors, and is beneficial to controlling the gas collecting card filling quality and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an automatic liquid filling device for a gas collection card from one perspective in one embodiment of the present invention;

[0015] Figure 2 It is a front view of an automatic liquid filling device for a gas collecting card in one embodiment of the present invention;

[0016] Figure 3 A top view of an automatic liquid filling device for a gas collection card in one embodiment of the present invention;

[0017] Figure 4 It is a structural schematic diagram of an automatic liquid filling device for a gas collecting card in another embodiment of the present invention;

[0018] Figure 5 A schematic diagram of the structure of a conveyor belt in one embodiment of the present invention;

[0019] Figure 6 for Figure 2 A schematic diagram of a partially enlarged structure of part B in the illustrated embodiment;

[0020] Figure 7 for Figure 1 A schematic diagram of a partially enlarged structure of part A in the illustrated embodiment;

[0021] Figure 8 It is a schematic structural diagram of the automatic liquid filling device for gas collection cards in another perspective in one embodiment of the present invention. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0023] Please also read Figures 1 to 3The present invention provides an automatic liquid filling device 10 for gas collecting cards, which includes a control box 100, a conveyor belt 200, a silo 300, an indicator liquid filling mechanism 400, an absorbent liquid filling mechanism 500, a material receiving mechanism 600 and a stacking and discharging mechanism 700. The control box 100 contains a processing unit 110 for controlling the actions of each mechanism. The conveyor belt 200 is arranged on the top of the control box 100. A plurality of rows of limit members 210 are evenly arranged on the conveying surface of the conveyor belt 200 along its length direction. The limit members 210 extend along the bandwidth direction of the conveyor belt 200 and include a plurality of evenly arranged clamping positions 211. The silo 300 is arranged at the input end of the conveyor belt 200 and has a plurality of drop openings, each drop opening corresponds to a clamping position 211. The silo 300 is used to simultaneously feed a plurality of gas collecting cards to be filled with liquid into the conveyor belt 200, and each gas collecting card to be filled with liquid falls into a corresponding clamping position 211 through a drop opening. The indicator injection mechanism 400, the absorption liquid injection mechanism 500 and the receiving mechanism 600 are sequentially installed on the top of the control box 100 along the conveying direction of the conveyor belt 200. The indicator injection mechanism 400 and the absorption liquid injection mechanism 500 are respectively provided with a plurality of injection units for injecting liquid into the gas collecting card, each injection unit corresponds to a clamping position 211, the indicator injection mechanism 400 is used to access the indicator from the external indicator liquid storage barrel and inject the indicator into the gas collecting card in the clamping position 211; the absorption liquid injection mechanism 500 is used to access the absorption liquid from the external absorption liquid storage barrel and inject the absorption liquid into the gas collecting card containing the indicator in the clamping position 211; the receiving mechanism 600 is used to simultaneously grab a plurality of injected gas collecting cards on the conveyor belt 200 and stack the gas collecting cards. The stacking discharge mechanism 700 is provided at the output end of the conveyor belt 200 and connected to the control box 100, and is used to receive the gas collecting cards transferred by the receiving mechanism 600.

[0024] The automatic liquid filling equipment 10 for gas collecting cards of the present invention is implemented by setting devices such as a hopper 300, an indicator liquid filling mechanism 400, an absorbent liquid filling mechanism 500, a material receiving mechanism 600 and a stacking and discharging mechanism 700. The hopper 300 can transport multiple gas collecting cards to the conveyor belt 200 at one time, so that the indicator liquid filling mechanism 400 can inject indicators into multiple gas collecting cards at the same time, and the absorbent liquid filling mechanism 500 can inject absorbent liquid into multiple gas collecting cards at the same time. Finally, the material receiving mechanism 600 stacks multiple gas collecting cards on the stacking and discharging mechanism 700 at one time, which greatly improves the efficiency of the gas collecting card filling operation. After a certain number of gas collecting cards are stacked on the stacking and discharging mechanism 700, they are uniformly transported, which reduces the frequency of transporting gas collecting card pallets, further reduces the labor intensity of operators, and reduces labor costs. The filling process replaces the traditional manual filling operation, avoids the problem of gas collecting card filling errors caused by fatigue or other subjective factors, and is beneficial to controlling the gas collecting card filling quality and ensuring product quality.

[0025] The control box 100 is used to accommodate the processing unit 110 to achieve isolation and protection of the processing unit 110. The control box 100 is also used to receive the conveyor belt 200, the silo 300, the indicator injection mechanism 400, the absorption liquid injection mechanism 500, the material receiving mechanism 600 and the stacking and discharging mechanism 700 to achieve the installation and setting of each component. In one embodiment, a plurality of legs 120 are provided at the bottom of the control box 100. By providing the legs 120, the bottom of the control box 100 can be lifted to the horizontal height of the external placement plane to prevent water stains in the factory from entering the control box 100, thereby causing the occurrence of leakage problems in the processing unit 110, so as to ensure the safety of the gas collection card injection operation. In one embodiment, the control box 100 is also provided with an openable and closable inspection door 130 to facilitate the inspection of the processing unit 110 and cables in the control box 100, thereby reducing the difficulty of equipment maintenance.

[0026] See also Figure 4 In one embodiment, a protective cover 140 is provided on the top of the control box 100, and the protective cover 140 is provided on the conveyor belt 200 and surrounds the silo 300, the indicator injection mechanism 400, the absorption liquid injection mechanism 500 and the material receiving mechanism 600. Preferably, the protective cover 140 is a tempered glass cover or an acrylic cover, so that the progress of the gas collection card injection operation can be monitored in real time while avoiding injuries to the operator due to accidental contact with the device and improving the safety of the operation, so as to facilitate timely response to emergencies or evaluation of the equipment status.

[0027] The conveyor belt 200 is used to receive the gas collecting card and provide a platform for the liquid injection operation of the gas collecting card, so as to facilitate the liquid injection operation of the gas collecting card. It should be noted that the conveyor belt 200 of this embodiment is installed on the top of the control box 100 through the mounting bracket. While realizing the installation of the conveyor belt 200, it also achieves the purpose of raising the height of the liquid injection operation of the gas collecting card, so that the operator can check the operation of the liquid injection equipment. Please refer to Figure 5 In one embodiment, the limit member 210 can be detachably arranged on the conveying surface of the conveyor belt 200. In this way, when the limit member 210 is damaged, only the damaged limit member 210 can be replaced without replacing the entire conveyor belt 200, which is beneficial to reducing the use cost of the conveyor belt 200 and further reducing the production cost of the gas collecting card filling operation.

[0028] The silo 300 is used to transport the gas collecting cards to be filled with liquid to the conveyor belt 200, and to limit the number of gas collecting cards that fall into a single card position 211 at one time, so as to ensure the reliability of the gas collecting card filling operation. Figure 6In one embodiment, a limiting space 310 is provided between the bottom of the silo 300 and the top surface of the conveyor belt 200 , and the height of the limiting space 310 is less than the thickness of a single gas collecting card. Specifically, when a gas collecting card is placed in the silo 300, the gas collecting card at the bottom layer falls into the card position 211 on the conveyor belt 200 under the action of gravity. As the conveyor belt 200 moves, the gas collecting card at the bottom layer moves driven by the conveyor belt 200. During this process, the side surface of the gas collecting card adjacent to the bottom layer abuts against the inner edge of the blanking port of the silo 300. In other words, the gas collecting card adjacent to the bottom layer is difficult to pass through the limited space 310. In this way, the gas collecting card is always restricted in the blanking port under the limitation of the edge of the blanking port and slides relative to the conveying surface of the conveyor belt 200 until the blanking port is aligned with the next card position 211. The constraint of the conveying surface on the gas collecting card is released, so as to facilitate another gas collecting card to fall into the card position 211, thereby ensuring the continuous feeding operation of the gas collecting card, and further ensuring that the number of gas collecting cards falling into a single card position 211 from the silo 300 at a time is one, so as to improve the reliability of the gas collecting card filling operation.

[0029] The indicator injection mechanism 400 and the absorption liquid injection mechanism 500 are used to inject the indicator and the absorption liquid into the gas collection card respectively to realize the filling of the reagents. In one embodiment, the injection units of the indicator injection mechanism 400 and the absorption liquid injection mechanism 500 of this embodiment both include a traction mechanism and an injection head, and the traction mechanism is used to pull the injection head close to or away from the conveyor belt 200, so as to facilitate the delivery of the corresponding reagent into the inner cavity of the gas collection card, and ensure the effective movement of the conveyor belt 200 and the continuous injection operation. It should be noted that the injection head of the indicator injection mechanism 400 of this embodiment is connected to the indicator from the external indicator storage barrel, and the injection head of the indicator injection mechanism 400 only includes one injection hole, and the injection head of the absorption liquid injection mechanism 500 is connected to the absorption liquid from the external absorption liquid storage barrel, and the injection head of the absorption liquid injection mechanism 500 includes multiple smaller injection holes to adapt to the opening position of the gas collection card.

[0030] The receiving mechanism 600 is used to receive the gas collecting card after liquid injection, so as to facilitate the storage and transportation of the gas collecting card. Figure 7In one embodiment, the receiving mechanism 600 is a robot, and a suction cup 610 is provided at the grasping end of the robot. The suction cup 610 is connected to an external suction pump and is used to grasp the gas collection card with liquid injection completed in the card position 211 and transfer the gas collection card to the stacking and discharging mechanism 700. Specifically, during the liquid injection process of the air collecting card, the manipulator turns to the conveyor belt 200 under the control of the processing unit 110, and the grabbing end of the manipulator gradually approaches the air collecting card on the conveyor belt 200. In this process, the suction cup 610 at the grabbing end of the manipulator is connected to the external air suction pump, and the air near the suction cup 610 is sucked into the air suction pump through the opening of the suction cup 610, thereby forming a negative pressure near the opening of the suction cup 610. In this way, when the suction cup 610 approaches the air collecting card, the air collecting card will move toward the suction cup 610 under the action of the negative pressure until it is attached to the suction cup 610. In this way, the air collecting card leaves the conveyor belt 200 driven by the suction cup 610 and the manipulator, thereby realizing the collection of materials on the air collecting card.

[0031] The stacking and discharging mechanism 700 is used to receive and store the gas collecting cards that have been filled with liquid and transferred by the receiving mechanism 600, and to stack the gas collecting cards so as to centrally process the gas collecting cards that have been filled with liquid, thereby reducing the workload of collecting and sorting the gas collecting cards. Please refer to 8. In one embodiment, the stacking and discharging mechanism 700 includes a frame 710, a driving member 720 and a gripper 730. The frame 710 is detachably connected to the control box 100 and is located at the output end of the conveyor belt 200. The driving member 720 is installed on the frame 710. The gripper 730 is installed at the output end of the driving member 720. The driving member 720 drives the gripper 730 to move in the vertical direction under the control of the processing unit 110. The gripper 730 is used to receive the overlapping trays that contain the gas collecting cards that have been filled with liquid. Specifically, during the gas collecting card filling operation, the driving member 720, under the control of the processing unit 110, first lifts the gripper 730 to the same level as the conveyor belt 200, and then places the pallet on the gripper 730 to receive the gas collecting card transferred by the manipulator. When the pallet is full of gas collecting cards, the driving member 720 drives the gripper 730 and the pallet to move to the bottom of the rack 710, and places the pallet together with the gas collecting card at the bottom of the rack 710. Then, the driving member 720 drives the gripper 730 to move to the same level as the conveyor belt 200 again to receive another pallet. After the pallet is full of gas collecting cards, the driving member 720 drives the gripper 730 and the pallet to move to the bottom of the rack 710 again, and places the pallet at the bottom of the previous pallet, thereby realizing the stacking of pallets. When the height of the stacked pallets reaches a predetermined height, the operator can use a forklift to transport the stacked pallet away, that is, to realize the transportation of the gas collecting cards. In one embodiment, the palletizing and discharging mechanism 700 further includes a material picking robot 740, which is used to grab pallets one by one from an external pallet rack and place the pallets on the gripper 730, which replaces the workstation for manually placing pallets, thereby helping to reduce operating costs.

[0032] It should be noted that, in one embodiment, the number of the blanking openings at the bottom of the silo 300 is eight, the number of the positions 211 on the limiter 210, the number of the injection units of the indicator injection mechanism 400 and the absorption liquid injection mechanism 500, and the number of the suction cups 610 on the receiving mechanism 600 are eight respectively, so that the injection equipment can process eight gas collecting cards at a time, which greatly improves the operation efficiency. Of course, in actual production, a single-row limiter 210 with more than eight positions 211 can also be selected according to the production scale, and the number of blanking openings, the number of injection units and the number of suction cups 610 of the remaining components can be adaptively adjusted. In addition, the positions 211 on the limiter 210 can also be set in the form of a multi-row array of positions 211, and the number of blanking openings, the number of injection units and the number of suction cups 610 of the remaining components can be adaptively adjusted, so as to improve the efficiency of the gas collecting card injection operation and reduce the overall volume of the injection equipment.

[0033] In one embodiment, the automatic liquid filling device for gas collecting cards further includes a front and back detection mechanism 800, which is adjacent to the output end of the silo 300 and corresponds to the conveying surface of the conveyor belt 200, and is used to detect the gas collecting card placed upside down in the card position 211 and report an error to the processing unit 110. Preferably, the front and back detection mechanism 800 includes a photoelectric sensor 810, which is used to detect the liquid filling hole on the gas collecting card and report an error to the processing unit 110 if the liquid filling hole is not detected. Specifically, the photoelectric sensor 810 receives the optical signal transmitted by the gas collecting card under the control of the processing unit 110, and converts the optical signal into an electrical signal. When the value of the electrical signal in the photoelectric sensor 810 changes, that is, when the surface information of the gas collecting card sensed by the photoelectric sensor 810 changes, the photoelectric sensor 810 reports an error to the processing unit 110. At this time, the processing unit 110 determines that the gas collecting card is flipped over. In this way, the processing unit 110 can detect the flipped gas collecting card with the help of the corresponding actuator, or alarm the operator through an external warning device, so that the operator can adjust the flipped gas collecting card, thereby ensuring that the corresponding reagent can be accurately injected into the gas collecting card.

[0034] In one embodiment, the automatic liquid filling device for gas collecting cards further includes a rejecting and replenishing mechanism 900, which is used to reject the gas collecting cards placed upside down in the card position 211, and place the external gas collecting cards that are not filled with liquid in the card position 211. Preferably, the rejecting and replenishing mechanism 900 includes a traction member 910 and a vacuum suction nozzle 920, the traction member 910 is used to pull the vacuum suction nozzle 920 close to or away from the conveyor belt 200, and the traction member 910 is also used to pull the vacuum suction nozzle 920 to move in a plane parallel to the conveying surface of the conveyor belt 200, and the vacuum suction nozzle 920 is connected to an external vacuum pump, and is used to suck and remove the gas collecting cards placed upside down in the card position 211 or suck up the gas collecting cards that are not filled with liquid in the external replenishing bin 300 and place them in the vacant card position 211. It can be understood that the rejecting and replenishing mechanism 900 is used as an actuator for responding to the flipping and placement of the gas collecting card. When the processing unit 110 determines that the gas collecting card is flipped and placed, the traction member 910 drives the vacuum suction nozzle 920 to move in the direction close to the gas collecting card under the control of the processing unit 110. At the same time, the vacuum suction nozzle 920 is connected to the external vacuum pump, so that negative pressure is generated near the vacuum suction nozzle 920, so as to suck up the flipped gas collecting card in the card position 211. After the vacuum suction nozzle 920 sucks the gas collecting card, the traction member 910 drives the vacuum suction nozzle 920 to move in a plane parallel to the conveying surface of the conveyor belt 200. When the vacuum suction nozzle 920 moves to the designated drop area, the processing unit 110 controls the vacuum suction nozzle 920 to disconnect from the vacuum pump, and the air pressure at the vacuum suction nozzle 920 increases. The gas collecting card falls into the corresponding gas collecting card collection device under the action of gravity, so as to facilitate the centralized processing of the misplaced gas collecting cards. Subsequently, the traction member 910 drives the vacuum suction nozzle 920 to approach the external feeding bin 300, sucks the pre-placed gas collecting card from the external feeding bin 300, and places the gas collecting card into the vacant card position 211 to prevent the indicator injection mechanism 400 and the absorption liquid injection mechanism 500 from mistakenly injecting the indicator and the absorption liquid into the card position 211, thereby ensuring the reliability of the gas collecting card injection operation.

[0035] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An automatic liquid filling device (10) for a gas collecting card, characterized in that: The invention comprises a control box (100), a conveyor belt (200), a silo (300), an indicator liquid injection mechanism (400), an absorption liquid liquid injection mechanism (500), a material receiving mechanism (600) and a palletizing and discharging mechanism (700). The control box (100) contains a processing unit (110) for controlling the actions of various mechanisms. The conveyor belt (200) is arranged on the top of the control box (100). A plurality of rows of limit members (210) are evenly arranged on the conveying surface of the conveyor belt (200) along its length direction. The limit members (210) extend along the width direction of the conveyor belt (200) and include a plurality of evenly arranged clamping positions (211). The silo (300) is arranged at the input end of the conveyor belt (200) and has a plurality of drop openings, each of which corresponds to a clamping position (211). The silo (300) is used to simultaneously feed a plurality of liquid gas collecting cards to be injected into the conveyor belt (200), and each of which falls into a corresponding clamping position (211) through a drop opening. The indicator injection mechanism (400), the absorption liquid injection mechanism (500) and the receiving mechanism (600) are sequentially installed on the top of the control box (100) along the conveying direction of the conveyor belt (200); the indicator injection mechanism (400) and the absorption liquid injection mechanism (500) are respectively provided with a plurality of injection units for injecting liquid into the gas collecting card, each of the injection units corresponding to a clamping position (211); the indicator injection mechanism (400) is used to receive the indicator from an external indicator storage barrel and inject the indicator into the gas collecting card in the clamping position (211); the absorption liquid injection mechanism (500) is used to receive the absorption liquid from an external absorption liquid storage barrel and inject the absorption liquid into the gas collecting card containing the indicator in the clamping position (211); the receiving mechanism (600) is used to simultaneously grab a plurality of the injected gas collecting cards on the conveyor belt (200) and stack the gas collecting cards; The stacking and discharging mechanism (700) is arranged at the output end of the conveyor belt (200) and is connected to the control box (100), and is used to receive the gas collecting card transferred by the receiving mechanism (600); The receiving mechanism (600) is a robot, and a suction cup (610) is provided at the gripping end of the robot. The suction cup (610) is connected to an external suction pump and is used to grip the gas collection card after the liquid injection in the clamping position (211), and transfer the gas collection card to the stacking and discharging mechanism (700); The stacking and discharging mechanism (700) comprises a frame (710), a driving member (720) and a gripper (730); the frame (710) is detachably connected to the control box (100) and is located at the output end of the conveyor belt (200); the driving member (720) is mounted on the frame (710); the gripper (730) is mounted at the output end of the driving member (720); the driving member (720) drives the gripper (730) to move in a vertical direction under the control of the processing unit (110); and the gripper (730) is used to receive overlapping trays that contain the gas collecting cards after liquid injection.

2. The automatic liquid filling device (10) for collecting gas cards according to claim 1, characterized in that: The gas collecting card automatic liquid injection device (10) further comprises a front and back detection mechanism (800), wherein the front and back detection mechanism (800) is adjacent to the output end of the silo (300) and corresponds to the conveying surface of the conveyor belt (200), and the front and back detection mechanism (800) is used to detect the gas collecting card placed upside down in the card position (211) and report an error to the processing unit (110).

3. The automatic liquid filling device (10) for collecting gas cards according to claim 2, characterized in that: The front and back detection mechanism (800) comprises a photoelectric sensor (810), and the photoelectric sensor (810) is used to detect the liquid injection hole on the gas collection card and report an error to the processing unit (110) when the liquid injection hole is not detected.

4. The automatic liquid filling device (10) for collecting gas cards according to claim 3 is characterized in that: The gas collection card automatic liquid filling device (10) further comprises a rejecting and replenishing mechanism (900), the rejecting and replenishing mechanism (900) being used to reject the gas collection card that is turned over and placed in the clamping position (211), and to place the gas collection card that is not filled with liquid externally in the clamping position (211).

5. The automatic liquid filling device (10) for collecting gas cards according to claim 4 is characterized in that: The rejecting and feeding mechanism (900) comprises a traction member (910) and a vacuum suction nozzle (920); the traction member (910) is used to pull the vacuum suction nozzle (920) towards or away from the conveyor belt (200); the traction member (910) is also used to pull the vacuum suction nozzle (920) to move within a plane parallel to the conveying surface of the conveyor belt (200); the vacuum suction nozzle (920) is connected to an external vacuum pump.

6. The automatic liquid filling device (10) for collecting gas cards according to claim 1, characterized in that: A limiting space (310) is provided between the bottom of the material bin (300) and the top surface of the conveyor belt (200), and the height of the limiting space (310) is less than the thickness of a single gas collecting card.

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