A heat pipe liquid injection sealing device

Abstract

The utility model discloses a kind of heat pipe liquid injection sealing devices, including operation platform, pipe moving mechanism, lifting mechanism and liquid injection sealing mechanism;The lifting mechanism includes lifting support, lifting drive assembly and lifting plate;The liquid injection sealing mechanism includes liquid injection component, vacuumizing component and sealing component.The heat pipe liquid injection sealing device is provided with pipe moving mechanism, lifting mechanism and liquid injection sealing mechanism, to be processed heat pipe is moved along Y axis direction by pipe moving mechanism drive, so that to be processed heat pipe sequentially passes through liquid injection component, vacuumizing component and sealing component, avoid the need for manual to be processed heat pipe in each process between transport, the time consumed when to be processed heat pipe is repositioned, so that seamless link between process, the automation of heat pipe production is realized, adapt to the needs of large-scale production.

Description

Technical Field

[0001] This utility model relates to the field of heat pipe production equipment, and in particular to a heat pipe liquid injection and sealing device. Background Technology

[0002] A heat pipe is a high-efficiency heat transfer element used for mold cooling. It achieves heat exchange through the liquid-gas phase change cycle of the internal refrigerant, thus realizing heat conduction. The heat pipe production process includes liquid injection, vacuuming, and sealing. Each process is completed by corresponding equipment. After each process, workers must remove the semi-finished product from the current equipment, transfer it, and clamp it onto the equipment for the next process. Each process change requires repositioning the workpiece, which not only easily leads to human error but also wastes significant manpower, resources, and time, resulting in low production efficiency and making it unsuitable for modern large-scale production. Utility Model Content

[0003] The purpose of this invention is to propose a heat pipe liquid injection and sealing device to solve the problem of low automation in existing heat pipe production equipment.

[0004] To achieve this objective, the present invention adopts the following technical solution: This utility model provides a heat pipe liquid injection and sealing device, including an operating platform, a pipe moving mechanism, a lifting mechanism and a liquid injection and sealing mechanism; The lifting mechanism includes a lifting bracket, a lifting drive assembly, and a lifting plate; the liquid injection and sealing mechanism includes a liquid injection assembly, a vacuuming assembly, and a sealing assembly; the liquid injection assembly, the vacuuming assembly, and the sealing assembly are respectively disposed on the lifting plate, the sealing assembly is disposed on both sides of the vacuuming assembly, and the liquid injection assembly is located at the upstream end of the vacuuming assembly; The tube transfer mechanism is mounted on the operating platform, and the lifting bracket is mounted on the outside of the tube transfer mechanism. The tube transfer mechanism is used to clamp the heat-conducting tube to be processed and drive the heat-conducting tube to be processed to move along the Y-axis. The lifting drive assembly is mounted on the lifting bracket. The lifting drive assembly is connected to the lifting plate and is used to drive the lifting plate to move in the vertical direction.

[0005] In the heat pipe liquid injection sealing device, the liquid injection assembly includes a liquid injection frame, a positioning sleeve, and a liquid injection needle; the liquid injection frame includes an upper limit plate, a lower limit plate, and two liquid injection guide rods. The two ends of the upper limit plate are respectively connected to the upper ends of the corresponding liquid injection guide rods on one side, and the two ends of the lower limit plate are respectively connected to the lower ends of the corresponding liquid injection guide rods on one side. The middle part of the liquid injection guide rod is slidably mounted on a lifting plate; the liquid injection guide rod is provided with a return spring, the return spring is sleeved on the outer periphery of the liquid injection guide rod, and the upper end of the return spring is tightly abutted against the bottom surface of the lifting plate, and the lower end of the return spring is tightly abutted against the lower limit plate; The positioning sleeve is fixed to the middle of the lower limit plate, the upper end of the injection needle is fixed to the lifting plate, the lower end of the injection needle passes through the top of the positioning sleeve, and the bottom opening size of the positioning sleeve is adapted to the heat conduction pipe to be processed; the injection needle is connected to the external refrigerant input device.

[0006] In the heat pipe liquid injection sealing device, the vacuum assembly includes a vacuum fixing seat, a copper pipe pressure plate, a pressure plate driving component, a sealing ring, and a pressure cap. The pressure cap is disposed on the top of the vacuum fixing seat, the pressure cap is fixed to the bottom surface of the lifting plate, and the pressure cap passes through the lifting plate and is connected to an external vacuum device. The vacuum fixing base has a vacuum chamber in the middle, and an installation groove is provided inside the top of the vacuum chamber; the pressure plate drive is installed in the installation groove, and the drive end of the pressure plate drive is connected to the copper tube pressure plate. The copper tube pressure plate has a vacuum hole in the middle, and the sealing ring is set on the top surface of the copper tube pressure plate; the sealing ring has a connecting channel, and the connecting channel communicates with the vacuum hole. The vacuum fixing base and the pressure cover cooperate to form a vacuum channel, and the vacuum pipeline of the external vacuum device passes through the vacuum channel and communicates with the connecting channel.

[0007] In the heat pipe liquid injection and sealing device, the sealing assembly includes two sealing units, which are respectively disposed on both sides of the vacuum fixing base. Each sealing unit includes a sealing fixing frame, a sealing driving component, and a sealing clamping block. The sealing fixing frame is connected to the vacuum fixing base, the sealing driving component is fixed to the sealing fixing frame, and the driving end of the sealing driving component is connected to the sealing clamping block. The sealing clamping block passes through the vacuum fixing base and enters the vacuum chamber. The sealing clamping blocks on both sides are arranged opposite to each other and form a copper pipe sealing station. The position of the copper pipe sealing station is adapted to the position of the vacuum hole.

[0008] In the heat pipe liquid injection and sealing device, the pipe transfer mechanism includes a pipe transfer sliding plate, a pipe transfer slide rail, a pipe transfer sliding block, a copper pipe support frame, a pipe clamping assembly, a sliding plate transmission rod, and a pipe transfer driving component; The tube transfer slide rail is set on the operating platform along the Y-axis direction, the tube transfer sliding block is set on the bottom surface of the tube transfer sliding plate, and the tube transfer sliding block is slidably connected to the tube transfer slide rail; the copper tube support frame is erected on the tube transfer sliding plate along the Y-axis direction, and the length of the copper tube support frame is greater than the maximum translation length of the tube transfer sliding plate; the tube clamping assembly is set on the top surface of the tube transfer sliding plate. The operating platform is provided with a tube-moving clearance notch, and the tube-moving drive component is set on the bottom surface of the operating platform. The drive end of the tube-moving drive component is connected to the lower end of the sliding plate transmission rod, and the upper end of the sliding plate transmission rod is connected to the tube-moving sliding plate.

[0009] In the heat pipe liquid injection and sealing device, the pipe clamping assembly includes two pipe clamping units. One pipe clamping unit is located on one side of the copper pipe support frame, and the other pipe clamping unit is located on the other side of the copper pipe support frame. The pipe clamping unit includes a clamping plate, a pipe clamping drive component, several pipe clamping slide rails, several pipe clamping sliders, and several pipe clamping strips. The tube clamping drive and tube clamping slide rail are respectively disposed on the tube moving sliding plate. A plurality of tube clamping slide rails are spaced apart and are disposed along the X-axis direction. A plurality of tube clamping sliders are spaced apart at the bottom of the clamping plate. The position and number of the tube clamping sliders are adapted to the position and number of the tube clamping slide rails. The tube clamping sliders are slidably assembled with the tube clamping slide rails corresponding to their positions. The driving end of the clamping drive is connected to the clamping plate, and several clamping strips are spaced apart on one side wall of the clamping plate facing the copper tube support frame; one end of the clamping strip is connected to the clamping plate, and the other end of the clamping strip is provided with a clamping groove; the clamping strips of the clamping units on both sides are arranged opposite to each other, and the clamping grooves of the oppositely arranged clamping strips cooperate to form a copper tube clamping station; the bottom surface of the clamping strip is higher than the top surface of the copper tube support frame.

[0010] In the heat pipe liquid injection and sealing device, the spacing between the clamping strips is adapted to the distance between the processing station of the liquid injection component and the processing station of the vacuuming component.

[0011] In the heat pipe liquid injection and sealing device, the lifting drive assembly includes a lifting drive component, a synchronous belt, a transmission wheel, and a lifting screw; lifting screws are respectively provided on both sides of the lifting bracket in the conveying direction, the lower end of the lifting screw is rotatably mounted on the operating platform, and the upper end of the lifting screw passes through the lifting bracket and is equipped with a transmission wheel; the lifting drive component is located on the top of the operating platform, and the synchronous belt is sleeved on the driving end of the lifting drive component and the outer periphery of the transmission wheel; The lifting plate has transmission blocks at both ends, and the transmission blocks are threadedly connected to the lifting screw on the corresponding side.

[0012] In the heat pipe liquid injection and sealing device, the lifting drive assembly further includes guide rods. Guide rods are provided on both sides of the conveying direction of the lifting bracket, and the two ends of the lifting plate are slidably connected to the guide rods on the corresponding sides.

[0013] One of the technical solutions of this utility model can have the following beneficial effects: The heat pipe injection and sealing device is equipped with a pipe-moving mechanism, a lifting mechanism, and an injection and sealing mechanism. The pipe-moving mechanism moves the heat pipe to be processed along the Y-axis, allowing it to sequentially pass through the injection assembly, vacuum assembly, and sealing assembly. This eliminates the need for manual transfer of the heat pipe between processes and the time spent on repositioning it, as required in existing production processes. This ensures seamless integration between processes, automates heat pipe production, and meets the needs of large-scale production. Furthermore, the coordination between the pipe-moving and lifting mechanisms achieves precise positioning and stable transport of the heat pipe, reducing positioning deviations caused by human error and ensuring processing accuracy and consistency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model; Figure 2 This is a schematic diagram of the tube transfer mechanism in one embodiment of the present invention; Figure 3 This is a schematic diagram showing the connection relationship between the liquid injection sealing mechanism and the lifting plate in one embodiment of this utility model; Figure 4 This is a cross-sectional schematic diagram of one embodiment of the present invention; In the attached diagram: 1. Operating platform; 2. Tube transfer mechanism; 3. Lifting mechanism; 4. Liquid injection and sealing mechanism. 10. Pipe transfer clearance notch; 21. Pipe transfer sliding plate; 22. Pipe transfer slide rail; 23. Pipe transfer sliding block; 24. Copper pipe support frame; 25. Pipe clamping assembly; 26. Sliding plate transmission rod; 27. Pipe transfer drive component; 31. Lifting bracket; 32. Lifting drive assembly; 33. Lifting plate; 41. Liquid injection assembly; 42. Vacuuming assembly; 43. Sealing assembly. Clamping plate 251, clamping drive component 252, clamping slide rail 253, clamping slider 254, clamping strip 255; lifting drive component 321, synchronous belt 322, transmission wheel 323, lifting screw 324; transmission block 325; guide rod 326; liquid injection rack 411, positioning sleeve 412, liquid injection needle 413; vacuum fixing seat 421, copper tube pressure plate 422, pressure plate drive component 423, sealing ring 424, pressure cap 425; sealing fixing frame 431, sealing drive component 432, sealing clamping block 433; Upper limit plate 4111, lower limit plate 4112, liquid injection guide rod 4113, reset spring 4114; vacuum chamber 4210; vacuum hole 4220. Detailed Implementation

[0015] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0016] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" and "second" may explicitly or implicitly include one or more of these features, used to distinguish descriptive features, without any order or emphasis.

[0017] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] Please refer to Figures 1-4 This utility model provides a heat pipe liquid injection and sealing device, including an operating platform 1, a pipe moving mechanism 2, a lifting mechanism 3 and a liquid injection and sealing mechanism 4; The lifting mechanism 3 includes a lifting bracket 31, a lifting drive assembly 32, and a lifting plate 33; the liquid injection and sealing mechanism 4 includes a liquid injection assembly 41, a vacuuming assembly 42, and a sealing assembly 43; the liquid injection assembly 41, the vacuuming assembly 42, and the sealing assembly 43 are respectively disposed on the lifting plate 33, the sealing assembly 43 is disposed on both sides of the vacuuming assembly 42, and the liquid injection assembly 41 is located at the upstream end of the vacuuming assembly 42; The tube transfer mechanism 2 is mounted on the operating platform 1, and the lifting bracket 31 is mounted on the outside of the tube transfer mechanism 2. The tube transfer mechanism 2 is used to clamp the heat transfer tube to be processed and drive the heat transfer tube to be processed to move along the Y-axis direction. The lifting drive assembly 32 is mounted on the lifting bracket 31. The lifting drive assembly 32 is connected to the lifting plate 33 and is used to drive the lifting plate 33 to move in the vertical direction.

[0020] The lifting bracket 31 is used to mount the lifting drive assembly 32, providing a stable support structure for the lifting drive assembly 32. This makes the lifting drive assembly 32 more stable during the process of raising and lowering the lifting plate 33, improving processing accuracy and reducing the impact of the lifting plate 33's shaking on the effects of liquid injection, vacuuming, or sealing. The operating platform 1 is used to fix the lifting bracket 31 and the pipe transfer mechanism 2, providing stable support for them.

[0021] The tube transfer mechanism 2 is used to move the heat pipe to be processed, so that the heat pipe to be processed passes through the liquid injection assembly 41 and the vacuuming assembly 42 in sequence; while the lifting drive assembly 32 is used to drive the lifting plate 33 to move along the Z-axis direction, which can drive the liquid injection assembly 41, the vacuuming assembly 42 and the sealing assembly 43 to approach the heat pipe to be processed. Through the cooperation of the tube transfer mechanism 2 and the lifting drive assembly 32, the liquid injection assembly 41, the vacuuming assembly 42 or the sealing assembly 43 can perform liquid injection, vacuuming or sealing operations on the heat pipe to be processed.

[0022] The heat pipe liquid injection and sealing device is equipped with a pipe moving mechanism 2, a lifting mechanism 3, and a liquid injection and sealing mechanism 4. The pipe moving mechanism 2 drives the heat pipe to be processed to move along the Y-axis, so that the heat pipe to be processed passes through the liquid injection component 41, the vacuuming component 42, and the sealing component 43 in sequence. This avoids the time consumed by manually transferring the heat pipe to be processed between processes and repositioning it in the existing production process, enabling seamless connection between processes and realizing the automation of heat pipe production, which can meet the needs of large-scale production. Moreover, through the cooperation of the pipe moving mechanism 2 and the lifting mechanism 3, the heat pipe to be processed is accurately positioned and stably transported, reducing positioning deviations caused by human operation errors and ensuring processing accuracy and consistency.

[0023] Specifically, the injection assembly 41 includes an injection frame 411, a positioning sleeve 412, and an injection needle 413; the injection frame 411 includes an upper limit plate 4111, a lower limit plate 4112, and two injection guide rods 4113. The two ends of the upper limit plate 4111 are respectively connected to the upper ends of the corresponding injection guide rods 4113, and the two ends of the lower limit plate 4112 are respectively connected to the lower ends of the corresponding injection guide rods 4113. The middle part of the injection guide rods 4113 is slidably mounted on the lifting plate 33; the injection guide rods 4113 are provided with a return spring 4114. The return spring 4114 is sleeved on the outer periphery of the injection guide rods 4113, and the upper end of the return spring 4114 is tightly abutted against the bottom surface of the lifting plate 33, and the lower end of the return spring 4114 is tightly abutted against the lower limit plate 4112. The positioning sleeve 412 is fixed to the middle of the lower limit plate 4112, the upper end of the injection needle 413 is fixed to the lifting plate 33, the lower end of the injection needle 413 passes through the top of the positioning sleeve 412, the size of the bottom opening of the positioning sleeve 412 is adapted to the heat pipe to be processed, and the injection needle 413 is connected to the external refrigerant input device.

[0024] When the tube transfer mechanism 2 moves the heat pipe to be processed below the liquid injection assembly 41, the lifting drive assembly 32 drives the lifting plate 33 to move downward, so that the bottom opening of the positioning sleeve 412 fits around the outer periphery of the heat pipe to be processed; as the lifting plate 33 moves downward, the lower limit plate 4112 moves upward and compresses the return spring 4114, and the liquid injection rack 411 slides upward due to the reaction force; subsequently, the external refrigerant input device inputs refrigerant into the heat pipe to be processed through the liquid injection needle 413. In a specific embodiment of this utility model, the refrigerant is deionized water. After sufficient refrigerant is injected, the lifting drive assembly 32 drives the lifting plate 33 to rise, so that the positioning sleeve 412 moves away from the heat pipe to be processed; after the return spring 4114 loses pressure, it drives the liquid injection rack 411 to return to its original position.

[0025] The positioning sleeve 412 serves a positioning function, ensuring that the injection needle 413 is aligned with the heat pipe to be processed, facilitating the injection of refrigerant into the heat pipe. The return spring 4114 serves a resetting function and also acts as a compression buffer, preventing the injection needle 413 from damaging the needle tip or crushing the heat pipe due to forced insertion. This structure ensures that the injection needle 413 can be precisely aligned and inserted into the heat pipe, guaranteeing injection accuracy.

[0026] Specifically, the vacuum assembly 42 includes a vacuum fixing base 421, a copper tube pressure plate 422, a pressure plate drive component 423, a sealing ring 424, and a pressure cover 425. The pressure cover 425 is disposed on the top of the vacuum fixing base 421, the pressure cover 425 is fixed to the bottom surface of the lifting plate 33, and the pressure cover 425 passes through the lifting plate 33 and is connected to an external vacuum device. The vacuum fixing base 421 has a vacuum chamber 4210 in the middle, and the top of the vacuum chamber 4210 has an installation groove. The pressure plate drive 423 is installed in the installation groove, and the drive end of the pressure plate drive 423 is connected to the copper tube pressure plate 422. The copper tube pressure plate 422 has a vacuum hole 4220 in the middle, and the sealing ring 424 is set on the top surface of the copper tube pressure plate 422. The sealing ring 424 has a connecting channel, which communicates with the vacuum hole 4220. The vacuum fixing base 421 and the pressure cover 425 cooperate to form a vacuum channel. The vacuum pipeline of the external vacuum device passes through the vacuum channel and communicates with the connecting channel.

[0027] When the tube transfer mechanism 2 moves the heat pipe to be processed below the vacuum chamber 4210, the lifting drive assembly 32 drives the lifting plate 33 to move downwards. Subsequently, the pressure plate drive 423 drives the copper tube pressure plate 422 to move downwards, so that the vacuum hole 4220 is tightly against the opening of the heat pipe to be processed. The external vacuum device evacuates the heat pipe to be processed through the vacuum pipeline. The air in the heat pipe to be processed enters the external vacuum device through the vacuum hole 4220, the connecting channel, and the vacuum channel in sequence, so as to maintain a sufficient vacuum degree inside the heat pipe to be processed. The sealing ring 424 prevents gas leakage, thereby ensuring the vacuum degree. The pressure cap 425 is used for connecting the external vacuum device. The copper tube pressure plate 422 is used to press the opening of the heat pipe to be processed to prevent leakage during the vacuuming process.

[0028] In one specific embodiment of this utility model, two pressure plate driving components 423 are provided, and the pressure plate driving component 423 is a cylinder; one pressure plate driving component 423 is located at the upstream end of the vacuum hole 4220, and the other pressure plate driving component 423 is located at the downstream end of the vacuum hole 4220. The two pressure plate driving components 423 are symmetrically arranged on both sides of the copper tube pressure plate, and can apply forces of equal magnitude and in the same direction simultaneously to prevent local leakage caused by uneven pressure and improve the reliability of vacuum sealing.

[0029] Specifically, the sealing assembly 43 includes two sealing units, which are respectively disposed on both sides of the vacuum fixing base 421. Each sealing unit includes a sealing fixing frame 431, a sealing driving component 432, and a sealing clamping block 433. The sealing fixing frame 431 is connected to the vacuum fixing base 421. The sealing driving component 432 is fixed to the sealing fixing frame 431, and the driving end of the sealing driving component 432 is connected to the sealing clamping block 433. The sealing clamping block 433 passes through the vacuum fixing base 421 and enters the vacuum chamber 4210. The sealing clamping blocks 433 on both sides are arranged opposite to each other and form a copper tube sealing station. The position of the copper tube sealing station is adapted to the position of the vacuum hole 4220.

[0030] The copper tube sealing station is located below the vacuum hole 4220. When the vacuum level inside the heat pipe to be processed reaches the threshold, the sealing drive component 432 drives the sealing clamp 433 to insert into the vacuum chamber 4210. The two sealing clamps 433 cooperate to clamp the heat pipe to be processed. Since the heat pipe to be processed is made of copper, when the two sealing clamps 433 clamp the heat pipe to be processed, the open end of the heat pipe to be processed deforms, thereby sealing the opening of the heat pipe. After the heat pipe is sealed, the lifting drive component 32 drives the lifting plate 33 to rise. At the same time, the pressure plate drive component 423 drives the copper tube pressure plate 422 to reset, and the sealing drive component 432 drives the sealing clamp 433 to be pulled out of the vacuum chamber 4210.

[0031] The sealing bracket 431 is used to fix the sealing drive component 432, which is a cylinder.

[0032] The above structure integrates the sealing assembly 43 and the vacuuming assembly 42, resulting in a very compact spatial layout and a simpler, more rational production line layout. Furthermore, after vacuuming, the heat pipe can be sealed without being moved, reducing the likelihood of air re-entering the heat pipe and ensuring a high vacuum inside.

[0033] Specifically, the tube transfer mechanism 2 includes a tube transfer sliding plate 21, a tube transfer slide rail 22, a tube transfer sliding block 23, a copper tube support frame 24, a tube clamping assembly 25, a sliding plate transmission rod 26, and a tube transfer driving component 27; The tube transfer slide rail 22 is disposed on the operating platform 1 along the Y-axis direction; the tube transfer sliding block 23 is disposed on the bottom surface of the tube transfer sliding plate 21; the tube transfer sliding block 23 is slidably connected to the tube transfer slide rail 22; the copper tube support frame 24 is mounted on the tube transfer sliding plate 21 along the Y-axis direction, and the length of the copper tube support frame 24 is greater than the maximum translational length of the tube transfer sliding plate 21; the tube clamping assembly 25 is disposed on the top surface of the tube transfer sliding plate 21. The operating platform 1 is provided with a tube-moving clearance notch 10. The tube-moving drive component 27 is disposed on the bottom surface of the operating platform 1. The drive end of the tube-moving drive component 27 is connected to the lower end of the sliding plate transmission rod 26, and the upper end of the sliding plate transmission rod 26 is connected to the tube-moving sliding plate 21.

[0034] The tube transfer drive component 27 is a cylinder, which drives the tube transfer sliding plate 21 to move along the Y-axis direction via the sliding plate transmission rod 26. The tube transfer drive component 27 is located on the bottom surface of the tube transfer sliding plate 21 and is driven by the sliding plate transmission rod 26, reducing the overall volume of the tube transfer mechanism 2 and effectively improving space utilization. The tube transfer slide rail 22 and the tube transfer sliding block 23 can prevent the tube transfer sliding plate 21 from moving in other directions, improving the conveying accuracy of the tube transfer mechanism 2 and preventing the heat transfer tube to be processed from not being aligned with the positioning sleeve 412 or the vacuum hole 4220. The tube clamping assembly 25 is used to clamp the heat transfer tube to be processed, while the copper tube support frame 24 plays a supporting and supporting role. During the liquid injection process, the copper tube support frame 24 can cooperate with the positioning sleeve 412 to fix the heat transfer tube to be processed; during the vacuuming process, the copper tube support frame 24 presses against the heat transfer tube to be processed, preventing leakage between the copper tube pressure plate 422 and the heat transfer tube to be processed, which would lead to a decrease in vacuum. The length of the copper tube support frame 24 is greater than the maximum translation length of the tube transfer sliding plate, which ensures that the heat pipe to be processed will never leave the range of the copper tube support frame 24.

[0035] The above structure enables the heat pipe to be processed to be transported smoothly, ensuring that the heat pipe to be processed can be accurately transported below the positioning sleeve 412 or the vacuum hole 4220.

[0036] Specifically, the tube clamping assembly 25 includes two tube clamping units, one of which is located on one side of the copper tube support frame 24, and the other is located on the other side of the copper tube support frame 24. The tube clamping unit includes a clamping plate 251, a tube clamping drive component 252, a plurality of tube clamping slide rails 253, a plurality of tube clamping sliders 254, and a plurality of tube clamping strips 255. The tube clamping drive component 252 and the tube clamping slide rail 253 are respectively disposed on the tube moving sliding plate 21. A plurality of tube clamping slide rails 253 are spaced apart and are arranged along the X-axis direction. A plurality of tube clamping sliders 254 are spaced apart at the bottom of the clamping plate 251. The position and number of the tube clamping sliders 254 are adapted to the position and number of the tube clamping slide rails 253. The tube clamping sliders 254 are slidably assembled with the tube clamping slide rails 253 corresponding to their positions. The driving end of the clamping drive 252 is connected to the clamping plate 251. Several clamping strips 255 are spaced apart on one side wall of the clamping plate 251 facing the copper tube support frame 24. One end of the clamping strip 255 is connected to the clamping plate 251, and the other end of the clamping strip 255 is provided with a clamping groove. The clamping strips 255 of the clamping units on both sides are arranged opposite to each other, and the clamping grooves of the oppositely arranged clamping strips 255 cooperate to form a copper tube clamping station. The bottom surface of the clamping strip 255 is higher than the top surface of the copper tube support frame 24.

[0037] The clamping grooves cooperate to form a copper tube clamping station. When it is necessary to clamp the heat pipe to be processed, the clamping drive components 252 on both sides drive the clamping plate 251 to move to one side of the copper tube support frame 24, so that the clamping strips 255 on both sides are tightly pressed together, and the clamping grooves cooperate to form a copper tube clamping station, so as to achieve the purpose of clamping the heat pipe to be processed.

[0038] In one specific embodiment of this utility model, the tube clamping drive component 252 is a cylinder, and the tube clamping unit includes two tube clamping slide rails 253 and two tube clamping sliders 254. One tube clamping slide rail 253 is located at the upstream end of the tube clamping drive component 252, and the other tube clamping slide rail 253 is located at the downstream end of the tube clamping drive component 252. The position of the tube clamping sliders 254 is adapted to the tube clamping slide rails 253. This structure prevents the clamping plate 251 from moving in other directions, making the movement of the clamping plate 251 more stable, thereby allowing the relatively arranged clamping grooves to cooperate in clamping the heat-conducting tube to be processed.

[0039] Preferably, the spacing of the clamping strips 255 is adapted to the distance between the processing station of the liquid injection component 41 and the processing station of the vacuuming component 42.

[0040] The spacing between the clamping strips 255 is the same as the distance between the positioning sleeve 412 and the vacuum hole 4220. When the lifting drive assembly 32 moves the lifting plate 33 downward, the vacuum assembly 42 evacuates one heat-conducting pipe for processing, while the liquid injection assembly 41 injects liquid into the next heat-conducting pipe for processing. Using the above structure can improve processing efficiency.

[0041] Furthermore, the lifting drive assembly 32 includes a lifting drive component 321, a synchronous belt 322, a transmission wheel 323, and a lifting screw 324; lifting screws 324 are respectively provided on both sides of the lifting bracket 31 in the conveying direction, the lower end of the lifting screw 324 is rotatably mounted on the operating platform 1, and the upper end of the lifting screw 324 passes through the lifting bracket 31 and is equipped with the transmission wheel 323; the lifting drive component 321 is disposed on the top of the operating platform 1, and the synchronous belt 322 is sleeved on the driving end of the lifting drive component 321 and the outer periphery of the transmission wheel 323; The lifting plate 33 has transmission blocks 325 at both ends, and the transmission blocks 325 are threadedly connected to the lifting screw 324 on the corresponding side.

[0042] With the above structure, screw drive is achieved through the cooperation of lifting screw 324 and transmission block 325, thereby driving the lifting plate 33 to move along the Z-axis. The lifting drive component 321 is a motor, which drives the lifting screws 324 on both sides to rotate through synchronous belt 322, thereby enabling the two ends of the lifting plate 33 to lift synchronously. Lifting screws 324 are respectively provided on both sides of the conveying direction of the lifting bracket 31, which can reduce the swaying of the lifting plate 33 during movement.

[0043] Furthermore, the lifting drive assembly 32 also includes guide rods 326. Guide rods 326 are provided on both sides of the lifting bracket 31 in the conveying direction, and the two ends of the lifting plate 33 are slidably connected to the guide rods 326 on the corresponding side.

[0044] The guide rod 326 serves to limit the direction of movement of the lifting bracket 31, making the lifting plate 33 more stable during movement.

[0045] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without inventive effort, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A heat pipe liquid injection and sealing device, characterized in that, Includes an operating platform, a tube transfer mechanism, a lifting mechanism, and a liquid injection and sealing mechanism; The lifting mechanism includes a lifting bracket, a lifting drive assembly, and a lifting plate; the liquid injection and sealing mechanism includes a liquid injection assembly, a vacuuming assembly, and a sealing assembly; the liquid injection assembly, the vacuuming assembly, and the sealing assembly are respectively disposed on the lifting plate, the sealing assembly is disposed on both sides of the vacuuming assembly, and the liquid injection assembly is located at the upstream end of the vacuuming assembly; The tube transfer mechanism is mounted on the operating platform, and the lifting bracket is mounted on the outside of the tube transfer mechanism. The tube transfer mechanism is used to clamp the heat-conducting tube to be processed and drive the heat-conducting tube to be processed to move along the Y-axis. The lifting drive assembly is mounted on the lifting bracket. The lifting drive assembly is connected to the lifting plate and is used to drive the lifting plate to move in the vertical direction.

2. The heat pipe liquid injection and sealing device according to claim 1, characterized in that, The injection assembly includes an injection frame, a positioning sleeve, and an injection needle. The injection frame includes an upper limit plate, a lower limit plate, and two injection guide rods. The two ends of the upper limit plate are respectively connected to the upper ends of the corresponding injection guide rods on one side, and the two ends of the lower limit plate are respectively connected to the lower ends of the corresponding injection guide rods on one side. The middle part of the injection guide rod is slidably mounted on a lifting plate. The injection guide rod is provided with a return spring. The return spring is sleeved on the outer periphery of the injection guide rod, and the upper end of the return spring is tightly abutted against the bottom surface of the lifting plate, and the lower end of the return spring is tightly abutted against the lower limit plate. The positioning sleeve is fixed to the middle of the lower limit plate, the upper end of the injection needle is fixed to the lifting plate, the lower end of the injection needle passes through the top of the positioning sleeve, and the bottom opening size of the positioning sleeve is adapted to the heat conduction pipe to be processed; the injection needle is connected to the external refrigerant input device.

3. The heat pipe liquid injection and sealing device according to claim 1, characterized in that, The vacuum assembly includes a vacuum fixing base, a copper tube pressure plate, a pressure plate drive component, a sealing ring, and a pressure cover. The pressure cover is disposed on the top of the vacuum fixing base, fixed to the bottom surface of the lifting plate, and passes through the lifting plate and is connected to an external vacuum device. The vacuum fixing base has a vacuum chamber in the middle, and an installation groove is provided inside the top of the vacuum chamber; the pressure plate drive is installed in the installation groove, and the drive end of the pressure plate drive is connected to the copper tube pressure plate. The copper tube pressure plate has a vacuum hole in the middle, and the sealing ring is set on the top surface of the copper tube pressure plate; the sealing ring has a connecting channel, and the connecting channel communicates with the vacuum hole. The vacuum fixing base and the pressure cover cooperate to form a vacuum channel, and the vacuum pipeline of the external vacuum device passes through the vacuum channel and communicates with the connecting channel.

4. The heat pipe liquid injection and sealing device according to claim 3, characterized in that, The sealing assembly includes two sealing units, which are respectively disposed on both sides of the vacuum fixing base. Each sealing unit includes a sealing fixing frame, a sealing driving component, and a sealing clamping block. The sealing fixing frame is connected to the vacuum fixing base, the sealing driving component is fixed to the sealing fixing frame, and the driving end of the sealing driving component is connected to the sealing clamping block. The sealing clamping block passes through the vacuum fixing base and enters the vacuum chamber. The sealing clamping blocks on both sides are arranged opposite to each other and form a copper tube sealing station. The position of the copper tube sealing station is adapted to the position of the vacuum hole.

5. The heat pipe liquid injection and sealing device according to claim 1, characterized in that, The tube transfer mechanism includes a tube transfer sliding plate, a tube transfer slide rail, a tube transfer sliding block, a copper tube support frame, a tube clamping assembly, a sliding plate transmission rod, and a tube transfer drive component; The tube transfer slide rail is set on the operating platform along the Y-axis direction, the tube transfer sliding block is set on the bottom surface of the tube transfer sliding plate, and the tube transfer sliding block is slidably connected to the tube transfer slide rail; the copper tube support frame is erected on the tube transfer sliding plate along the Y-axis direction, and the length of the copper tube support frame is greater than the maximum translation length of the tube transfer sliding plate; the tube clamping assembly is set on the top surface of the tube transfer sliding plate. The operating platform is provided with a tube-moving clearance notch, and the tube-moving drive component is set on the bottom surface of the operating platform. The drive end of the tube-moving drive component is connected to the lower end of the sliding plate transmission rod, and the upper end of the sliding plate transmission rod is connected to the tube-moving sliding plate.

6. The heat pipe liquid injection and sealing device according to claim 5, characterized in that, The tube clamping assembly includes two tube clamping units, one of which is located on one side of the copper tube support frame and the other on the other side of the copper tube support frame; each tube clamping unit includes a clamping plate, a tube clamping drive component, several tube clamping slide rails, several tube clamping sliders, and several tube clamping strips. The tube clamping drive and tube clamping slide rail are respectively disposed on the tube moving sliding plate. A plurality of tube clamping slide rails are spaced apart and are disposed along the X-axis direction. A plurality of tube clamping sliders are spaced apart at the bottom of the clamping plate. The position and number of the tube clamping sliders are adapted to the position and number of the tube clamping slide rails. The tube clamping sliders are slidably assembled with the tube clamping slide rails corresponding to their positions. The driving end of the clamping drive is connected to the clamping plate, and several clamping strips are spaced apart on one side wall of the clamping plate facing the copper tube support frame; one end of the clamping strip is connected to the clamping plate, and the other end of the clamping strip is provided with a clamping groove; the clamping strips of the clamping units on both sides are arranged opposite to each other, and the clamping grooves of the oppositely arranged clamping strips cooperate to form a copper tube clamping station; the bottom surface of the clamping strip is higher than the top surface of the copper tube support frame.

7. The heat pipe liquid injection and sealing device according to claim 6, characterized in that, The spacing between the clamping strips is adapted to the distance between the processing stations of the liquid injection assembly and the vacuuming assembly.

8. The heat pipe liquid injection and sealing device according to claim 1, characterized in that, The lifting drive assembly includes a lifting drive component, a synchronous belt, a transmission wheel, and a lifting screw; lifting screws are respectively provided on both sides of the lifting bracket in the conveying direction, the lower end of the lifting screw is rotatably mounted on the operating platform, and the upper end of the lifting screw passes through the lifting bracket and is equipped with a transmission wheel; the lifting drive component is located on the top of the operating platform, and the synchronous belt is sleeved on the driving end of the lifting drive component and the outer periphery of the transmission wheel; The lifting plate has transmission blocks at both ends, and the transmission blocks are threadedly connected to the lifting screw on the corresponding side.

9. A heat pipe liquid injection and sealing device according to claim 8, characterized in that, The lifting drive assembly also includes guide rods. Guide rods are provided on both sides of the conveying direction of the lifting bracket, and the two ends of the lifting plate are slidably connected to the guide rods on the corresponding sides.

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