Air conditioning refrigerant pipe sealing detection equipment and detection line

Abstract

The present invention relates to the technical field of air-conditioning detection equipment, and in particular discloses an air-conditioning refrigerant pipe sealing detection equipment and a detection line, comprising: a conveying plane, a plurality of sliding carriers, a plurality of detection components and a pushing device for blanking; the plurality of sliding carriers are all arranged on the conveying plane, the plurality of detection components are arranged one by one on the plurality of sliding carriers, the pushing device is arranged on one side of the conveying plane, a supporting plate and a pulling-out mechanism are arranged directly above each sliding carrier, a vacuum pump body and a high-pressure air pump are arranged on the supporting plate, the exhaust end of the vacuum pump body is connected to a pneumatic joint through a vacuum exhaust pipe, and a disconnecting air port is opened on the outside of the pneumatic joint, so that when the high-pressure air pump supplies air to the disconnecting air port, the pneumatic joint can be automatically disconnected from the end of the refrigerant pipe, and the pneumatic joint can be completely pulled out in cooperation with the pulling-out mechanism, so that the refrigerant pipe that passes the sealing test can be automatically blanked effectively, thereby improving work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of air-conditioning detection equipment, and in particular to air-conditioning refrigerant pipe sealing detection equipment and a detection line. Background Art

[0002] The refrigeration system includes a heat exchanger and a compressor. The heat exchanger is a device that transfers part of the heat of the hot fluid to the cold fluid, also known as a heat exchanger, while the compressor is mainly a driven fluid machine that raises low-pressure gas to high-pressure gas. During the working process, low-temperature and low-pressure refrigerant gas is sucked in from the intake pipe, and after the piston is driven by the motor to compress it, the high-temperature and high-pressure refrigerant gas is discharged to the exhaust pipe to provide power for the refrigeration cycle.

[0003] Refrigerant pipes are mainly used as the conveying medium pipelines for heat exchangers and compressors in the refrigeration system. Therefore, the sealing of the refrigerant pipes must be ensured during the production process of the refrigeration system, and the refrigerant pipes must be tested for sealing during the assembly process of the refrigeration system to ensure production quality. The existing refrigerant pipes mainly adopt vacuum testing during the testing process. The existing vacuum testing method is to seal either end of the inlet / outlet of the refrigerant pipe and vacuum the other end of the inlet / outlet to put the refrigerant pipe in a negative pressure state, and place the refrigerant pipe in a pressure testing box. The pressure value of the refrigerant pipe when it is in a negative pressure state is obtained through the pressure testing box to determine whether the refrigerant pipe pressure value is Whether the refrigerant pipe meets the standard can be determined, and then whether the sealing of the refrigerant pipe meets the standard can be concluded. During the inspection of the existing refrigerant pipe, the connection interface between the refrigerant pipe and the vacuum pump body needs to be manually unplugged, and qualified products and unqualified products need to be classified in turn during continuous production. Although the use of vacuum detection equipment to detect the refrigerant pipe can improve work efficiency, most of the existing vacuum detection equipment adopts a single-station working mode, that is, a single detection station is used to perform vacuum detection on a single refrigerant pipe, and it is not suitable for continuous production. Therefore, manual unloading is required to make the detection station vacant before the subsequent refrigerant pipe can be placed for inspection. The overall work efficiency is not high and it is not suitable for continuous production.

[0004] Reference is made to the Chinese invention patent application with publication number "CN110987300A" and titled "A device for detecting the sealing of an air-conditioning refrigerant pipe". The technical solution discloses "a device for detecting the sealing of an air-conditioning refrigerant pipe, comprising a box body, a base provided in the box body for detecting whether the refrigerant pipe is leaking; a positioning assembly, the positioning assembly being slidably arranged on the upper surface of the base for positioning the refrigerant pipe; and an inflation assembly, the inflation assembly being fixedly arranged on one end of the base away from the positioning assembly, and the inflation assembly inflates the refrigerant pipe. This solves the problem of first inflating the refrigerant pipe and then placing it in a vacuum box for testing, which wastes time and cannot guarantee that there will be no gas leakage during the inflation process. The problem of waste is caused by the cooperation between the first pulley and the second pulley. Although this technical solution can drive the rotating plate to rotate by the cooperation between the first pulley and the second pulley, while rotating, the upper clamping plate and the lower clamping plate clamp the inflation pipe mouth and rotate synchronously, and the inflation pipe mouth is screwed onto the refrigerant pipe, and then the refrigerant pipe is inflated to complete the pipe mouth docking action, thereby improving the detection efficiency. However, this technical solution still needs to fix the refrigerant pipe on the positioning component, and the interface is likely to fall off during the inflation process of the refrigerant pipe, affecting the detection accuracy. In addition, after the sealing test is completed, the pipe mouth needs to be manually removed and the blanks need to be handled, and the automation efficiency is not high.

[0005] Therefore, how to automatically blank refrigerant pipes that meet sealing standards during continuous production is a technical problem that current technicians need to solve. Summary of the Invention

[0006] The object of the present invention is to provide an air-conditioning refrigerant pipe sealing detection device and a detection line to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] An air conditioning refrigerant pipe sealing detection device includes: a conveying plane, a plurality of sliding carriers, a plurality of detection components and a pushing device;

[0009] The lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism of the lifting mechanism. The lifting mechanism is a lifting mechanism of the lifting mechanism, and the lifting mechanism is a lifting mechanism for the lifting mechanism. The ...

[0010] A supporting plate and a pulling-out mechanism are provided directly above each sliding carrier. A vacuum pump body and a high-pressure air pump are provided on the supporting plate, and the exhaust end of the vacuum pump body is connected to a pneumatic joint through a vacuum extraction pipe. The pneumatic joint is detachably connected to the end of the refrigerant pipe, and a disconnecting port is provided on the outside of the pneumatic joint. The pulling-out mechanism is located directly above the supporting plate. The pulling-out mechanism includes at least one pneumatic balancer. The power output end of the pneumatic balancer is connected to the outside of the pneumatic joint, and the air outlet end of the high-pressure air pump is communicated with the disconnecting port.

[0011] Preferably, the detection component includes a vacuum gauge and a display screen. The detection end of the vacuum gauge is connected to the vacuum pipe. The vacuum gauge is used to obtain the vacuum value of the refrigerant pipe, and the display screen is used to display the vacuum value of the refrigerant pipe.

[0012] Preferably, a guide rack is provided on one side of the movable plate facing the supporting plate, and the guide rack is laterally distributed along one side of the movable plate, and a driving gear is provided at the power output end of the movable mechanism, and the driving gear is meshed with the guide rack.

[0013] Preferably, a guide column is provided on the push plate, and a guide sleeve is further provided on one surface of the movable plate, and the guide column is slidably inserted into the interior of the guide sleeve.

[0014] Preferably, a conveying guide rail is provided directly below the conveying plane, and several sliding carriers are slidably provided on the conveying guide rail, and the side of the sliding carrier facing the conveying plane is respectively rotatably provided with a guide roller and a limiting groove wheel, the outer portion of the guide roller is tangent to the top of the conveying guide rail, and the groove of the limiting groove wheel abuts against the outer portion of the conveying guide rail.

[0015] Preferably, when two air pressure joints are provided, one of the air pressure joints is detachably connected to one end of the refrigerant pipe, and the other air pressure joint is detachably connected to the other end of the refrigerant pipe, and two pneumatic balancers are provided, and the two pneumatic balancers are respectively connected to the two air pressure joints one by one.

[0016] Preferably, a connecting hook is provided on the power output end of each of the two pneumatic balancers, and a limit slot is provided on the outside of each of the two air pressure connectors, and the connecting hook is buckled on the outside of the limit slot.

[0017] Preferably, the end of the supporting plate away from the pushing plate is tilted downward and is provided with a roller.

[0018] Preferably, the outside of the conveying plane also includes a control mechanism, the detection component is connected to the control mechanism, and the control mechanism is respectively connected to the pushing device, the vacuum pump body, the high-pressure air pump and the pulling mechanism.

[0019] Another aspect of the present invention provides an air conditioning refrigerant pipe sealing test line, comprising the automatic blanking device as described in any one of the above items, and the air conditioning refrigerant pipe sealing test line further comprises a clamping and swinging device and a blanking transport plane;

[0020] A feeding silo is further provided on the outside of the conveying plane. The clamping and swinging device includes a clamping mechanism and a displacement mechanism. The clamping and swinging device is located between the feeding silo and the conveying plane, and the clamping mechanism is provided on the power output end of the displacement mechanism. The feeding silo is used to supply the refrigerant tube to be sealed and tested, the clamping mechanism is used to clamp the refrigerant tube to be sealed and tested, and the displacement mechanism is used to control the movement range of the clamping mechanism.

[0021] The blanking transport plane is arranged on the other side of the conveying plane, and one end of the blanking transport plane corresponds to the pushing device. The blanking transport plane is used to transport refrigerant pipes with vacuum values that meet the standards.

[0022] Compared with the prior art, the present invention provides an air-conditioning refrigerant pipe sealing detection device and a detection line, which has the following beneficial effects: by providing a conveying plane, a plurality of sliding carriers, a plurality of detection components and a pushing device; the plurality of detection components are arranged one by one on the plurality of sliding carriers, the vacuum degree of the refrigerant pipe on the sliding carrier is detected by the detection component, and the sealing of the refrigerant pipe is judged to be qualified by the vacuum degree value, the pushing device is arranged on one side of the conveying plane, and the plurality of sliding carriers are also placed on the conveying plane, and the plurality of sliding carriers are conveyed in sequence by the conveying plane to face the pushing device one by one. When the sealing of the refrigerant pipe is qualified, the pushing device can be used to detect the refrigerant pipe. The device pushes the blanking, and the pushing device includes a carrying pallet and a moving plate. By arranging an ejection mechanism on the moving plate and also by arranging a pushing plate on the power output end of the ejection mechanism, one side of the pushing plate faces the conveying plane, and the pushing plate can be driven by the ejection mechanism to complete the automatic pushing action, so as to realize the automatic blanking action of the refrigerant pipe that has passed the sealing inspection. The moving plate is slidably arranged on the carrying pallet, and a moving mechanism is arranged on the carrying pallet so that the power output end of the moving mechanism is transmission-connected with the moving plate. Therefore, the sliding distance of the moving plate can be controlled by the moving mechanism to ensure that the pushing plate is aligned with the refrigerant pipe that has passed the sealing inspection.

[0023] By arranging a supporting plate and a pulling head mechanism just above each sliding carrier, a vacuum pump body and a high-pressure air pump are arranged on the supporting plate, and the air extraction end of the vacuum pump body is connected to a pneumatic joint through a vacuum extraction pipe, so that the pneumatic joint and the end of the refrigerant pipe are detachably connected. Therefore, the refrigerant pipe can be vacuumed by the vacuum pump body, and the sealing of the refrigerant pipe is detected by vacuum degree detection, thereby improving the detection accuracy. In addition, a disconnecting port is opened on the outside of the pneumatic joint, and the pulling head mechanism is located just above the supporting plate. The pulling head mechanism includes at least one air The dynamic balancer connects the power output end of the pneumatic balancer with the outside of the air pressure joint, and also connects the air outlet end of the high-pressure air pump with the air disconnect port. The high-pressure air pump can be used to supply gas to the air disconnect port to keep the air pressure joint in a positive pressure state, thereby automatically separating it from the end of the refrigerant pipe. The pneumatic balancer can also assist in the separation of the air pressure joint to ensure that the air pressure joint will not fall off, effectively realizing the automated blanking action of the refrigerant pipe that has passed the sealing test. In the blanking process, the automatic head pulling action is also realized, thereby improving the automation efficiency and being suitable for continuous detection actions. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0026] Figure 2 It is a schematic diagram of the overall structure from another perspective of the present invention.

[0027] Figure 3 It is a structural schematic diagram of the material pushing device in the present invention.

[0028] Figure 4 It is a schematic structural diagram of the air pressure joint in the present invention.

[0029] As shown in the figure: 1. Conveying plane; 2. Sliding carrier; 3. Detection component; 4. Pushing device; 21. Supporting plate; 22. Heading mechanism; 41. Carrying plate; 42. Moving plate; 99. Guide column; 100. Guide kit; 211. Vacuum pump body; 212. High-pressure air pump; 213. Air pressure connector; 214. Disconnecting air port; 221. Pneumatic balancer; 222. Connecting hook; 411. Moving mechanism; 412. Driving gear; 421. Ejection mechanism; 422. Pushing plate; 423. Guide rack. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0031] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. As used in this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0032] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0033] In the description of the present application, it should be understood that the terms "thickness", "up", "down", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application; in addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features; thus, it is limited that "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly including one or more of the features.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0035] The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0036] refer to Figures 1 to 4 , an air-conditioning refrigerant pipe sealing detection device, comprising:

[0037] Conveying plane 1, several sliding carriers 2, several groups of detection components 3 and pushing device 4;

[0038] A number of sliding carriers 2 are located directly above the conveying plane 1, a number of detection components 3 are arranged one by one on the several sliding carriers 2, and a pushing device 4 is arranged on one side of the conveying plane 1, the pushing device 4 includes a bearing plate 41 and a movable plate 42, the movable plate 42 is provided with an ejection mechanism 421, a pushing plate 422 is provided on the power output end of the ejection mechanism 421, one side of the pushing plate 422 faces the conveying plane 1, the movable plate 42 is slidingly arranged on the bearing carrier 41, a moving mechanism 411 is provided on the bearing carrier 41, the power output end of the moving mechanism 411 is transmission-connected to the movable plate 42, the moving mechanism 411 is used to control the sliding distance of the movable plate 42, the conveying plane 1 is used to sequentially convey a number of sliding carriers 2 one by one to face the pushing device 4, and the detection component 3 is used to detect the vacuum value of the refrigerant pipe;

[0039] A supporting plate 21 and a pulling-out mechanism 22 are provided directly above each sliding carrier 2. A vacuum pump body 211 and a high-pressure air pump 212 are provided on the supporting plate 21. The exhaust end of the vacuum pump body 211 is connected to a pneumatic joint 213 through a vacuum extraction pipe. The pneumatic joint 213 is detachably connected to the end of the refrigerant pipe. A disconnecting port 214 is provided on the outside of the pneumatic joint 213. The pulling-out mechanism 22 is located directly above the supporting plate 21. The pulling-out mechanism 22 includes at least one pneumatic balancer 221. The power output end of the pneumatic balancer 221 is connected to the outside of the pneumatic joint 213, and the air outlet end of the high-pressure air pump 212 is communicated with the disconnecting port 214.

[0040] Specifically, the detection component 3 includes a vacuum gauge and a display screen. The detection end of the vacuum gauge is connected to the vacuum pipe. The vacuum gauge is used to obtain the vacuum value of the refrigerant pipe, and the display screen is used to display the vacuum value of the refrigerant pipe.

[0041] Specifically, a guide rack 423 is provided on the side of the moving plate 42 facing the supporting plate 41, and the guide rack 423 is laterally distributed along one side of the moving plate 42. A driving gear 412 is provided at the power output end of the moving mechanism 411, and the driving gear 412 is meshed with the guide rack 423.

[0042] Specifically, a guide column 99 is further provided on the push plate 422 , and a guide sleeve 100 is further provided on one surface of the movable plate 42 . The guide column 99 is slidably inserted into the interior of the guide sleeve 100 .

[0043] Specifically, a conveying guide rail is provided directly below the conveying plane 1, and several sliding carriers 2 are slidably provided on the conveying guide rail. The side of the sliding carrier 2 facing the conveying plane 1 is respectively rotatably provided with guide rollers and limiting groove wheels. The outer side of the guide roller is tangent to the top of the conveying guide rail, and the groove of the limiting groove wheel is in contact with the outer side of the conveying guide rail.

[0044] Specifically, when there are two air pressure connectors 213, one of the air pressure connectors 213 is detachably connected to one end of the refrigerant pipe, and the other air pressure connector 213 is detachably connected to the other end of the refrigerant pipe. Two pneumatic balancers 221 are provided, and the two pneumatic balancers 221 are respectively connected to the two air pressure connectors 213 one by one.

[0045] Specifically, a connecting hook 222 is provided on the power output end of each of the two pneumatic balancers 221 , and a limiting slot is provided on the outside of each of the two air pressure connectors 213 , and the connecting hook 222 is buckled on the outside of the limiting slot.

[0046] Specifically, one end of the supporting plate 21 away from the pushing plate 422 is tilted downward and is provided with a roller.

[0047] Specifically, the outside of the conveying plane 1 also includes a control mechanism, the detection component 3 is connected to the control mechanism, and the control mechanism is respectively connected to the pushing device 4, the vacuum pump body 211, the high-pressure air pump 212 and the head pulling mechanism 22.

[0048] Embodiment 1, in order to realize the automatic vacuuming action of the refrigerant pipe, the sealing detection is realized by the vacuum degree during the vacuuming process, and the qualified refrigerant pipe is automatically unloaded to improve the automation efficiency. In this embodiment: a conveying plane 1, several sliding carriers 2, several groups of detection components 3 for detecting the vacuum value of the refrigerant pipe and a pushing device 4; the several sliding carriers 2 are all located directly above the conveying plane 1, so that the several groups of detection components 3 are arranged one by one on the several sliding carriers 2, and the pushing device 4 is arranged on one side of the conveying plane 1, and the conveying plane 1 can be used to convey the several sliding carriers 2 in sequence to face the pushing device 4 one by one. The pushing device 4 includes a carrying plate 41 and a movable plate 42, by arranging an ejection mechanism 421 on the movable plate 42, and by arranging a pushing plate 422 on the power output end of the ejection mechanism 421, one side of the pushing plate 422 faces the conveying Plane 1, the movable plate 42 is also slidably arranged on the supporting plate 41, and a moving mechanism 411 is provided on the supporting plate 41, so that the power output end of the moving mechanism 411 is transmission-connected with the movable plate 42, and then the sliding distance of the movable plate 42 can be controlled by the moving mechanism 411, and a supporting plate 21 and a head-pulling mechanism 22 are provided directly above each sliding carrier 2, and a vacuum pump body 211 and a high-pressure air pump 212 are also provided on the supporting plate 21, and the exhaust end of the vacuum pump body 211 is connected to the air pressure joint 213 through a vacuum pipe, so that the air pressure joint 213 and the end of the refrigerant pipe are detachably connected, and the head-pulling mechanism 22 is also located directly above the supporting plate 21, and the refrigerant pipe on the supporting plate 21 can be vacuumed by the vacuum pump body 211, and vacuum degree detection can be realized in this process. When the vacuum degree value of the refrigerant pipe meets the standard, that is, the product sealing is qualified, the vacuuming action is stopped;

[0049] When blanking is required, the moving plate 42 is driven by the moving mechanism 411 to move, so that the moving plate 42 can be aligned with the supporting plate 21 on the sliding carrier 2, and the refrigerant tube that has passed the inspection on the supporting plate 21 is automatically pushed down by the pushing device 4, and the air pressure joint 213 and the end of the refrigerant tube are separated by the pulling mechanism 22, and the moving mechanism 411 of the pushing device 4 is started to align the moving plate 42 with the supporting plate 21, and the pushing plate 422 is driven by the ejection mechanism 421 to move toward the refrigerant tube on the supporting plate 21, and the refrigerant tube that has passed the sealing inspection is pushed out of the supporting plate 21 by the pushing plate 422, so that the supporting plate 21 is in an unloaded state, so that the refrigerant tube to be sealed and inspected is placed on the empty supporting plate 21 subsequently, thereby completing the automatic blanking action after the vacuum sealing inspection of the refrigerant tube, improving work efficiency, and being suitable for continuous production inspection processes.

[0050] It should be noted that a guide rack 423 is provided on the side of the movable plate 42 facing the supporting pallet 41, so that the guide rack 423 is distributed laterally along one side of the movable plate 42, and a driving gear 412 is provided at the power output end of the movable mechanism 411, and the driving gear 412 is meshed with the guide rack 423. When the movable mechanism 411 on the supporting pallet 41 is started, the driving gear 412 can drive the guide rack 423, thereby realizing the movement of the movable plate 42 on the supporting pallet 41 until the power output end of the ejection mechanism 421 can be aligned with the refrigerant pipe on the supporting plate 21.

[0051] In response to the above description, it is particularly supplemented that in order to achieve the reciprocating movement of the movable plate 42, the movable mechanism 411 can adopt a servo motor. The servo motor is a rotary actuator or a linear actuator that allows precise control of angular velocity or linear position, speed and acceleration. It includes a suitable electric motor connected to a sensor, thereby improving the position accuracy and ensuring that the power output end of the ejection mechanism 421 can be aligned with the refrigerant pipe on the support plate 21.

[0052] It should be noted that the detection component 3 includes a vacuum gauge and a display screen. The detection end of the vacuum gauge is connected to the vacuum pipe, and the vacuum gauge is used to obtain the vacuum value of the refrigerant pipe. The display screen can also be used to display the vacuum value of the refrigerant pipe, thereby facilitating the judgment of whether the vacuum value reaches a certain threshold to judge whether the sealing of the refrigerant pipe is qualified.

[0053] It should also be noted that in order to ensure that the position of the pushing plate 422 will not be tilted or offset, so that the pushing plate 422 can ensure uniform force when pushing the refrigerant pipe, a guide column 99 is provided on the pushing plate 422, and a guide kit 100 is provided on one side of the movable plate 42. The guide column 99 is slid through the interior of the guide kit 100, and the pushing plate 422 can be limited by the guide column 99 and the guide kit 100 to prevent the position of the pushing plate 422 from being tilted or offset.

[0054] In the above description, it should be added that an elastic member may be sleeved on the outside of the guide column 99 , and the elastic member may be a spring, thereby achieving a buffering effect through the elastic member.

[0055] It is particularly noted that by arranging a conveying guide rail directly below the conveying plane 1, several sliding carriers 2 are slidably arranged on the conveying guide rail, so that the side of the sliding carrier 2 facing the conveying plane 1 is respectively rotated and provided with a guide roller and a limiting groove wheel, the outer side of the guide roller is tangent to the top of the conveying guide rail, and the groove of the limiting groove wheel is also abutted against the outer side of the conveying guide rail, so that the sliding carrier 2 can slide along the top of the conveying guide rail through the guide roller, and the limiting groove wheel plays a limiting role to prevent the sliding carrier 2 from getting stuck due to the guide roller deviating from the track.

[0056] It should be noted that the end of the supporting plate 21 away from the pushing plate 422 can be tilted downward and provided with a roller. When the ejection mechanism 421 of the pushing device 4 is working, the pushing plate 422 can be driven by the ejection mechanism 421 to move toward the supporting plate 21, so that the refrigerant pipe on the supporting plate 21 moves and slides onto the roller outside the supporting plate 21, which is convenient for blanking and conveying.

[0057] In the second embodiment, after the sealing test of the refrigerant pipe is completed, since both ends of the refrigerant pipe are in a state of connection with the air pressure joint 213, the air pressure joint 213 needs to be automatically unplugged before pushing the blanking action. The air pressure joint 213 of the existing vacuum testing equipment needs to be manually unplugged before blanking can be carried out, which easily causes the unplugged air pressure joint 213 to be in a messy state. Once the air pressure joint 213 falls, it is easy to cause the conveying component to jam and have a certain impact on the subsequent plug-in efficiency. Therefore, in order to prevent the air pressure joint 213 from falling, The connectors 213 are scattered for subsequent plugging. In this embodiment, it should be supplemented that: a supporting plate 21 and a head pulling mechanism 22 are provided just above each sliding carrier 2, a vacuum pump body 211 and a high-pressure air pump 212 are provided on the supporting plate 21, and the exhaust end of the vacuum pump body 211 is connected to a pneumatic connector 213 through a vacuum pipe. The pneumatic connector 213 is detachably connected to the end of the refrigerant pipe, and a disconnecting air port 214 is provided on the outside of the pneumatic connector 213. The head pulling mechanism 22 is located on the supporting plate 21 Directly above, the pulling mechanism 22 includes a pneumatic balancer 221. The power output end of the pneumatic balancer 221 is connected to the outside of the air pressure connector 213. The air outlet end of the high-pressure air pump 212 is connected to the air outlet 214. During the vacuum test, the vacuum pump body 211 performs a vacuum action on the refrigerant pipe through the air pressure connector 213. At this time, the vacuum action can put the refrigerant pipe in a negative pressure state. The negative pressure state means that the air pressure inside the refrigerant pipe is lower than the atmospheric pressure. After the test is completed, the vacuum pump body 211 stops working. , gas is input into the disconnecting air port 214 through the high-pressure air pump 212 to make the inside of the refrigerant tube in a positive pressure state. Even if the inside of the refrigerant tube is in a state higher than the atmospheric pressure, during this process, the air pressure joint 213 will fall off and separate from the end of the refrigerant tube due to the positive pressure, completing the automatic head-off action. The high-pressure air pump 212 can supply high-pressure gas to make the air pressure joint 213 disconnected from the refrigerant tube, and cooperate with the pneumatic balancer 221 to pull the air pressure joint 213 until the air pressure joint 213 is completely separated from the end of the refrigerant tube.

[0058] It should be noted that the pneumatic balancer 221 can support the pneumatic connector 213 to prevent the pneumatic connector 213 from falling directly, and can assist the head removal action when the pneumatic balancer 221 is working, thereby improving the efficiency of the head removal work.

[0059] In combination with the description in Examples 1 and 2, it is particularly added that in order to realize the control of the start and stop of each working component after judging whether the sealing of the refrigerant pipe is qualified according to the vacuum value, a control mechanism can be further included on the outside of the conveying plane 1, and the detection component 3 is connected to the control mechanism. The control mechanism is respectively connected to the pushing device 4, the vacuum pump body 211, the high-pressure air pump 212 and the head pulling mechanism 22. The vacuum value of the refrigerant pipe can be obtained through the detection component 3 to realize the judgment of whether the sealing of the product is qualified according to the vacuum value. If the sealing of the product is qualified, the vacuum pump body 211 is stopped by the control mechanism, and the pushing device 4 and the high-pressure air pump 212 are started to realize automatic head pulling and blanking actions. When the high-pressure air pump 212 is working, gas can be supplied to the gas disconnecting port 214 through the high-pressure air pump 212.

[0060] In the third embodiment, in order to realize the vacuuming of the refrigerant pipe, the vacuum degree of the refrigerant pipe is detected during the vacuuming process, so as to judge whether the sealing of the refrigerant pipe is qualified by the vacuum degree. Since the existing refrigerant pipe needs to be sealed with a sealant at one end of the refrigerant pipe during the vacuum sealing detection process, and the other end of the refrigerant pipe is vacuumed. In this process, it is difficult to ensure that the connection between the sealant and the end of the refrigerant pipe is firm, and the detection accuracy will be affected due to insufficient sealing. In addition, the work efficiency of vacuuming only one end of the refrigerant pipe is low. In order to improve the vacuuming efficiency and ensure the detection Accuracy, in this embodiment: the air extraction end of the vacuum pump body 211 is connected to two air pressure joints 213 through a vacuum extraction pipe (not shown in the figure), so that the two air pressure joints 213 are detachably connected to the end of the refrigerant pipe. By opening a disconnecting air port 214 on the outside of the two air pressure joints 213, the pulling mechanism 22 is located directly above the supporting plate 21. The pulling mechanism 22 includes two pneumatic balancers 221, and the power output ends of the two pneumatic balancers 221 are respectively connected to the outside of the two air pressure joints 213. The air outlet end of the high-pressure air pump 212 is connected to the disconnecting air port 214;

[0061] During the vacuum sealing test, one of the air pressure joints 213 is detachably connected to one end of the refrigerant pipe, and the other air pressure joint 213 is detachably connected to the other end of the refrigerant pipe. Two pneumatic balancers 221 are provided, and the two pneumatic balancers 221 are respectively connected to the two air pressure joints 213 one by one. Therefore, the two ends of the refrigerant pipe can be respectively connected through the two air pressure joints 213 to perform synchronous vacuuming on the two ends of the refrigerant pipe, thereby improving work efficiency and further improving the accuracy of sealing detection.

[0062] It should be noted that the power output ends of the two pneumatic balancers 221 are each provided with a connecting hook 222, and the outside of the two air pressure connectors 213 are each provided with a limiting slot, and the connecting hook 222 is buckled on the outside of the limiting slot. When detached from the air pressure connector 213, the pneumatic balancer 221 can assist in separating the air pressure connector 213 to ensure that the air pressure connector 213 can be completely separated from the end of the refrigerant pipe, and can prevent the air pressure connector 213 from falling directly after separation, prevent the air pressure connector 213 from colliding with parts and causing damage, and prevent the air pressure connector 213 from scattering, so as to facilitate subsequent re-insertion into the refrigerant pipe end that is subject to sealing inspection.

[0063] In the fourth embodiment, in combination with the description of the above embodiments, in order to realize automatic loading and unloading and blanking in a continuous production process, so as to be suitable for continuous production and to convey the products that have passed the sealing test to the next assembly station, this embodiment provides an air conditioning refrigerant pipe sealing test line, including the automatic blanking equipment as in any of the above embodiments, the air conditioning refrigerant pipe sealing test line also includes a clamping swing device and a blanking transport plane;

[0064] By further arranging a feeding silo on the outside of the conveying plane 1, the clamping and swinging device includes a clamping mechanism and a displacement mechanism, so that the clamping and swinging device is located between the feeding silo and the conveying plane 1, and the clamping mechanism is arranged on the power output end of the displacement mechanism. The feeding silo can be used to supply the refrigerant tube to be sealed and tested, and the clamping mechanism can also be used to clamp the refrigerant tube to be sealed and tested, so that the displacement mechanism is used to control the moving range of the clamping mechanism. In the process of clamping and feeding, the clamping mechanism is driven by the displacement mechanism to be on the feeding silo, and the clamping mechanism is used to clamp the refrigerant tube to be sealed and tested. After the refrigerant tube to be tested for sealing is clamped in the feeding silo and firmly clamped, the clamping mechanism holding the refrigerant tube to be tested for sealing is driven by the displacement mechanism to move and align with the unloaded supporting plate 21, so that the clamping mechanism places the clamped refrigerant tube to be tested for sealing on the unloaded supporting plate 21. Thus, the action of automatically placing the refrigerant tube to be tested for sealing on the unloaded supporting plate 21 can be realized, so that subsequent staff can connect the two ends of the refrigerant tube to the two air pressure connectors 213 one by one, without the need for manual handling and placement, thereby improving work efficiency.

[0065] The blanking transport plane is set on the other side of the conveying plane 1, so that one end of the blanking transport plane corresponds to the pushing device 4. The blanking transport plane can be used to transport the refrigerant pipe that has passed the sealing test, and then the pushing device 4 pushes the refrigerant pipe that has passed the sealing test onto the blanking transport plane, and the refrigerant pipe with a qualified vacuum value is transported to the next process through the blanking transport plane. The vacuum value that meets the standard mentioned above means that the sealing test is qualified.

[0066] In view of the above description, further improvements can be made. In order to be suitable for continuous production, the conveying plane 1 can be set as an annular structure. Therefore, when the refrigerant tube sealing test is qualified, the blanking material can be pushed to the blanking transport plane by the pushing device 4, so that the supporting plate 21 is in an unloaded state, and the unloaded supporting plate 21 is transported close to the feeding silo through the conveying plane 1, so that the refrigerant tube to be sealed can be placed on the unloaded supporting plate 21 again for sealing test. Since the conveying plane 1 is set in an annular structure, the refrigerant tube that has passed the sealing test can be aligned with the pushing device 4 again, and the above actions are repeated to complete the continuous production action.

[0067] In response to the above description, it is necessary to further explain that a recovery device can be added to the outside of the above-mentioned conveying plane 1, and a recovery bin is provided at the position corresponding to the recovery device, and the recovery device is set to have the same structure as the pushing device 4. In actual installation, the recovery device can be adjacent to the pushing device 4. When the pushing device 4 pushes the refrigerant tube that has passed the sealing test to the blanking transport plane, the supporting plate 21 loaded with the refrigerant tube that has failed the sealing test is transported along the conveying plane 1 to align with the recovery device. After the pulling mechanism 22 separates the air pressure joint 213 and the end of the refrigerant tube that has failed the sealing test, the refrigerant tube that has failed the sealing test is pushed into the recovery bin by the recovery device, so as to facilitate the centralized recycling of unqualified products. After recycling, the supporting plate 21 loaded with the refrigerant tube that has failed the sealing test can be in an unloaded state, so as to facilitate the placement of the refrigerant tube to be sealed on the unloaded supporting plate 21, which is suitable for continuous production.

[0068] In conjunction with the above embodiments, it is particularly noted that the vacuum pump body 211 can utilize a rotary vane pump. This rotary vane pump has a two-stage structure, consisting of a high-pressure stage and a low-pressure stage. Its suction port is connected to a vacuum container or vacuum equipment, and during operation, a large amount of gas within the container is drawn in and discharged. When the equipment achieves a vacuum, the high-pressure stage exhaust valve closes, transferring the gas drawn in by the high-pressure stage to the second stage, where it is drawn in and discharged, achieving a certain vacuum in the vacuum equipment. Depending on user needs, a vacuum booster pump can be added, serving as a backing pump. Due to the increased suction power of the booster pump, the backing pump continuously pumps air, enabling the equipment to achieve a higher vacuum.

[0069] In combination with the description in the above embodiments, it should be added that, in the assembly and production process of the refrigeration system, the refrigerant pipe is mainly used as the conveying medium pipeline of the air-conditioning heat exchanger and the air-conditioning compressor, such as Figure 1 and Figure 2 As shown in FIG, what is placed on the supporting plate 21 is not a separate refrigerant pipe, but an air-conditioning heat exchanger assembled with refrigerant pipes.

[0070] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have their own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the description are not necessarily required for this application. In addition, it is understood that the steps in the method of the embodiment of the present application can be adjusted in sequence, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0071] The embodiments of the present application have been described above. The above description is illustrative and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or improvements to the technology in the market, or to enable other persons skilled in the art to understand the embodiments disclosed herein.

Claims

1. An air conditioning refrigerant pipe sealing detection device, characterized in that: include: Conveying plane, several sliding carriers, several sets of detection components and pushing devices; The lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism of the lifting mechanism. The lifting mechanism is a lifting mechanism of the lifting mechanism, and the lifting mechanism is a lifting mechanism of the lifting mechanism. The lifting mechanism has a bottom end and a bottom end facing the lifting mechanism. A supporting plate and a pulling mechanism are provided directly above each of the sliding carrier plates. A vacuum pump body and a high-pressure air pump are provided on the supporting plate. The air extraction end of the vacuum pump body is connected to a pneumatic joint through a vacuum extraction pipe. The pneumatic joint is detachably connected to the end of the refrigerant pipe, and a disconnecting port is provided on the outside of the pneumatic joint. The pulling mechanism is located directly above the supporting plate. The pulling mechanism includes at least one pneumatic balancer. The power output end of the pneumatic balancer is connected to the outside of the pneumatic joint, and the air outlet end of the high-pressure air pump is communicated with the disconnecting port. When two pneumatic joints are provided, one of the pneumatic joints is detachably connected to one end of the refrigerant pipe, and the other pneumatic joint is detachably connected to the other end of the refrigerant pipe, and two pneumatic balancers are provided, and the two pneumatic balancers are respectively connected to the two pneumatic joints one by one; The power output ends of the two pneumatic balancers are both provided with connecting hooks, and the outsides of the two air pressure joints are both provided with limit slots, and the connecting hooks are buckled on the outsides of the limit slots.

2. The air conditioning refrigerant pipe sealing detection device according to claim 1, characterized in that: The detection component includes a vacuum gauge and a display screen. The detection end of the vacuum gauge is connected to the vacuum pumping pipe. The vacuum gauge is used to obtain the vacuum value of the refrigerant pipe, and the display screen is used to display the vacuum value of the refrigerant pipe.

3. The air conditioning refrigerant pipe sealing detection device according to claim 1, characterized in that: A guide rack is provided on one side of the movable plate facing the supporting plate, and the guide rack is laterally distributed along one side of the movable plate. A driving gear is provided at the power output end of the movable mechanism, and the driving gear is meshed with the guide rack.

4. The air conditioning refrigerant pipe sealing detection device according to claim 1, characterized in that: A guide column is provided on the push plate, and a guide sleeve is further provided on one surface of the movable plate. The guide column is slidably inserted into the interior of the guide sleeve.

5. The air-conditioning refrigerant pipe sealing detection device according to claim 1, characterized in that: A conveying guide rail is provided directly below the conveying plane, and several sliding carriers are slidably provided on the conveying guide rail, and guide rollers and limiting groove wheels are rotatably provided on the side of the sliding carrier facing the conveying plane, the outer side of the guide roller is tangent to the top of the conveying guide rail, and the groove of the limiting groove wheel is in contact with the outer side of the conveying guide rail.

6. The air conditioning refrigerant pipe sealing detection device according to claim 1, characterized in that: One end of the supporting plate away from the pushing plate is tilted downward and is provided with a roller.

7. The air conditioning refrigerant pipe sealing detection device according to claim 1, characterized in that: The outside of the conveying plane also includes a control mechanism, the detection component is connected to the control mechanism, and the control mechanism is respectively connected to the pushing device, the vacuum pump body, the high-pressure air pump and the pulling mechanism.

8. An air conditioning refrigerant pipe detection line, comprising the sealing detection device according to any one of claims 1 to 7, characterized in that: It also includes a clamping and swinging device and a blanking and transporting plane; A feeding silo is further provided on the outside of the conveying plane, and the clamping and swinging device includes a clamping mechanism and a displacement mechanism. The clamping and swinging device is located between the feeding silo and the conveying plane, and the clamping mechanism is provided on the power output end of the displacement mechanism. The feeding silo is used to supply the refrigerant tube to be sealed and tested, the clamping mechanism is used to clamp the refrigerant tube to be sealed and tested, and the displacement mechanism is used to control the moving range of the clamping mechanism; The blanking transport plane is arranged on the other side of the conveying plane, and one end of the blanking transport plane corresponds to the pushing device. The blanking transport plane is used to transport refrigerant pipes with vacuum values that meet the standards.

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