Intelligent welding device for heat pipe

Abstract

The invention relates to the field of heat pipe manufacturing, and discloses an intelligent welding device for heat pipes, which solves the problem of low processing efficiency of existing heat pipes, and is characterized by comprising a material taking and placing frame, a linkage material taking and placing mechanism, a welding transfer mechanism, a single pipe welding mechanism and an intelligent control module, a stopper is arranged on the placing surface; the linkage material taking and discharging mechanism comprises an action driver, a material taking device, a material discharging device and a single pipe supporting device, a linkage connecting structure is arranged between the material taking device and the material discharging device, when the action driver acts, a heat pipe base pipe is taken down, the material discharging device discharges materials, and the linkage connecting structure intercepts the heat pipe base pipe; when the action driver is reset, the heat pipe base pipe is transferred to the single pipe supporter; the welding transfer mechanism is used for transferring the heat pipe base pipe; and the single pipe welding mechanism is used for installing accessories on the unwelded heat pipe base pipe and welding, the intelligent control module is used for intelligently executing the welding process, intelligent operation of welding can be achieved, and the machining efficiency and quality are improved.

Description

Technical Field

[0001] The invention relates to the field of heat pipe manufacturing, and more specifically, to an intelligent heat pipe welding device. Background Art

[0002] Heat pipe is a heat transfer element with high thermal conductivity. It transfers heat by evaporating and condensing the working fluid in a fully enclosed vacuum tube shell. It has many advantages such as extremely high thermal conductivity, good isothermal properties, adjustable heat flux density, long-distance heat transfer, and controllable temperature. Fins can be added to both the hot and cold sides to enhance heat transfer, thereby reducing the volume and weight. Damage to a single pipe does not affect the whole. It is widely used in metallurgy, petrochemicals, electricity, energy conservation, environmental protection, electronics, aerospace and other fields to transfer and dissipate heat, improve the heat dissipation effect of equipment, and protect equipment from overheating.

[0003] In the actual production process of heat pipes, the number of heat pipes manufactured for a sales project can reach tens of thousands. If it only relies on manual welding, the cost is high and time-consuming. If you want to expand the production scale and relieve the manufacturing pressure, you can only apply new technology-intelligent welding devices. However, most of the intelligent welding machines used for heat pipes on the market are semi-intelligent machines. Too much manual participation cannot bring high benefits. On this basis, it is necessary to independently develop intelligent pipe delivery devices and develop control software to achieve truly fully intelligent automatic welding. Summary of the invention

[0004] The purpose of the present invention is to provide a heat pipe intelligent welding device, which can realize automatic material taking and storage, automatic single-tube transfer and taking, automatic single-tube transfer and discharge, and automatic single-tube welding, that is, automatic operation of the entire welding process, so that the efficiency of the overall processing process can be greatly improved.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a heat pipe intelligent welding device, including a material taking and placing rack, a linkage material taking and placing mechanism, a welding transfer mechanism, a single-tube welding mechanism, and an intelligent control module; The top surface of the material taking and placing rack is set as a placing surface, and a blocker is set on the material discharging side of the placing surface. The placing surface is used to place the unwelded heat pipe base tubes, and the blocker is used to limit the heat pipe base tubes on the placing surface; The linkage material picking and discharging mechanism comprises an action driver, a material picker, a material discharging device and a single tube supporter, a linkage connection structure is provided between the material picker and the material discharging device, the action driver is used to drive the material picker and the material discharging device to act simultaneously, the material picker removes the unwelded heat pipe base tube from the blocker position, the material discharging device discharges the welded heat pipe on the single tube supporter, and the linkage connection structure intercepts the unwelded heat pipe base tube; the action driver is also used to drive the material picker and the material discharging device to reset, and transfer the unwelded heat pipe base tube to the single tube supporter; The welding transfer mechanism corresponds to the position of the single tube supporter and is used to transfer the heat pipe base tube between the single tube supporter and the single tube welding mechanism; The single-tube welding mechanism is used to install and weld the accessories to be welded on the unwelded heat pipe base tube; The intelligent control module is used to intelligently control the material picking and placing rack, the linked material picking and placing mechanism, the welding transfer mechanism, and the single-tube welding mechanism to execute the welding process.

[0006] As a preferred technical solution of the present invention, the placement surface, the top surface of the material taker, the top surface of the material discharger, and the top surface of the single tube supporter are all inclined surfaces with the feeding side being higher than the discharging side; The discharging side of the material grabber is connected to the feeding side of the material discharger, and the top surface discharging side of the material grabber is lower than the top surface feeding side of the material discharger, forming a material blocking step, i.e., a linkage connection structure; The single tube support and the discharger are arranged in parallel, and a concave groove for accommodating the heat pipe base tube is arranged in the middle of the top surface of the single tube support, the feeding side of the groove corresponds to the feeding side position of the discharger, and the discharging side of the groove is located within the range of the discharger; the feeding side of the picker corresponds to the position of the blocker, and the action driver is used to drive the picker and the discharger to rise or fall at the same time, when the action driver is in action, the top surface of the picker is higher than the top surface of the single tube support, and when the action driver is reset, the top surface of the discharger is lower than the top surface of the single tube support; The linkage material picking and discharging mechanism also includes a linkage support frame, the bottom of the single-tube support is fixedly installed on the top surface of the linkage support frame, the action driver is a lifting air pump with a solenoid valve, the fixed part of the lifting air pump is fixedly connected to the frame body of the linkage support frame, the telescopic part of the lifting air pump is fixedly connected to the bottom of the material picker and the material discharger, and the material picker and the material discharger are arranged on the top of the linkage support frame.

[0007] As a preferred technical solution of the present invention, the welding transfer mechanism includes a plurality of driving rollers that can rotate along the axial direction of the heat pipe base tube, the position of the driving roller corresponds to the position of the bottom of the groove of the single tube supporter, and the driving roller is rotatably installed on the top of the linkage support frame. When the heat pipe base tube enters the groove, the top surface of the driving roller supports the heat pipe base tube, and when the driving roller rotates, the heat pipe base tube is driven to move along the axial direction; A transfer position sensor is also arranged on the top of the linkage support frame, and the transfer position sensor is used to identify whether the heat pipe base tube reaches the driving roller. If so, the driving roller is started to rotate to transfer the heat pipe base tube.

[0008] As a preferred technical solution of the present invention, the single-tube welding mechanism is provided with a heat pipe limiter, a welding position sensor, a clamping and rotating mechanism, an automatic parts delivery mechanism, a parts positioning clamp, and a mobile welding gun; The automatic parts delivery mechanism is used to place the parts to be welded at the welding position before the heat pipe base tube is transferred to the position of the single tube welding mechanism. When the parts positioning clamps limit and clamp the parts to be welded, the automatic parts delivery mechanism retracts. The heat pipe stopper is used to limit the heat pipe base tube transferred into the single-tube welding mechanism along the axial direction, and the welding position sensor identifies whether the heat pipe base tube has reached the welding position. When the heat pipe base tube reaches the welding position, the clamping rotation mechanism clamps the heat pipe base tube; The mobile welding gun is used to perform positioning spot welding on the welding position after the heat pipe base tube and the parts to be welded are clamped. When the positioning spot welding is completed, the parts to be welded are released by the parts positioning clamp, and then the clamping rotation mechanism drives the heat pipe base tube to rotate circumferentially while the mobile welding gun works to perform circumferential welding on the heat pipe base tube.

[0009] As a preferred technical solution of the present invention, the automatic parts delivery mechanism includes an inclined parts bin and an automatic moving seat. The bottom end of the parts bin is provided with a parts outlet and a parts limiter. The parts outlet only accommodates one part to be welded. The part limiter is used to limit the part to be welded at the parts outlet. The automatic moving seat is used to drive the parts bin to move to the welding position. When the part to be welded at the parts outlet is fixed by the part positioning clamp, the automatic moving seat is actuated to drive the parts bin to exit the welding position. The part to be welded at the bottom of the parts bin automatically rolls to the parts outlet under the action of gravity.

[0010] As a preferred technical solution of the present invention, it also includes a pre-placed storage rack, the feed side of the placement surface corresponds to the lower side of the discharge side of the pre-placed surface at the top of the pre-placed storage rack, the feed side of the pre-placed surface is higher than the discharge side of the pre-placed surface, and the pre-placed surface is used to support a layer of heat pipe base tubes to be welded from the discharge side to the feed side.

[0011] As a preferred technical solution of the present invention, the material taking and placing rack further comprises a placing rack body and a material taking mechanism, the top surface of the placing rack body is the placing surface, and each time the material taking mechanism is operated, at least one heat pipe base tube to be welded is taken from the preset storage rack to the placing rack body; The material taking mechanism comprises at least two groups of material taking push rods and a lifter, one end of the material taking push rod is hinged to one end of the top end of the placement frame corresponding to the material discharging side, the other end of the material taking rod is arranged at the position of the feeding side of the top end of the placement frame, the top end of the lifter is connected to the other end of the material taking rod, and the bottom end of the lifter is fixedly connected to the placement frame. When the lifter is extended, the feeding side of the material taking rod is driven to rise, blocking the heat pipe base tube to be welded on the preset surface from rolling down. When the lifter is shortened, the feeding side of the material taking rod is driven to lower, so that the heat pipe base tube on the preset surface rolls down to the placement surface; The lifting device is an air pump with a solenoid valve, the fixed end of the air pump is fixedly connected to the placement frame, and the lifting part of the air pump is connected to the material taking rod.

[0012] As a preferred technical solution of the present invention, it also includes a welding finished product placement rack, which is arranged below the discharge side of the discharger and is used to centrally receive the welded heat pipes; A concave receiving groove is arranged on the top of the finished welding product placement rack, and a rolling guide slope is arranged on one side of the receiving groove close to the discharger for obliquely supporting the welded heat pipe rolling down from the discharger.

[0013] As a preferred technical solution of the present invention, the material picking and placing rack, the linked material picking and discharging mechanism, the welding transfer mechanism and the single tube welding mechanism are a group of welding functional structures. When the number of welding positions of the heat pipe base tube is n, n groups of welding functional structures are set. The discharge of the linked material picking and discharging mechanism of the previous group of welding functional structures is taken over by the material picking and placing rack of the next group of welding functional structures. The material picking and placing rack of the first group of welding functional structures is taken over by the discharge of the preset storage rack. The discharge of the linked material picking and discharging mechanism of the last group of welding functional structures is taken over by the welding finished product placement rack.

[0014] In summary, the present invention has the following beneficial effects: the entire heat pipe intelligent welding device can realize intelligent and automatic operation through the control program. Under non-fault conditions, the entire welding process from feeding to discharging does not require human intervention; in the entire welding process, it can realize intelligent material collection and storage, intelligent single-tube transfer and collection, intelligent single-tube transfer and discharge, and intelligent single-tube welding, that is, the automatic and intelligent operation of the entire welding process, so the efficiency of the overall processing process can be greatly improved, and the welding quality is also guaranteed. Especially in the process of intelligent single-tube transfer, collection and discharge, the two can be executed synchronously through the linkage connection structure. During the welding transfer, the material can be replenished without delay, which greatly improves the working frequency of the welding process. In the entire welding process, the work efficiency is greatly improved, and the welding quality is also improved, which is suitable for large-scale heat pipe base tube processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the heat pipe base tube and parts of the present invention; Figure 3 is a schematic diagram of a pre-set storage rack of the present invention; Figure 4 It is a schematic diagram of a welding finished product placement rack of the present invention; Figure 5 It is a schematic diagram of the material blocking step and the single tube support of the present invention; Figure 6 It is a schematic diagram of a single-tube welding mechanism of a welding sleeve of the present invention; Figure 7 It is a schematic diagram of a single-tube welding mechanism of an upper head of the present invention; Figure 8 It is a schematic diagram of the preset storage rack, the material taking and placing rack, and the linked material taking and placing mechanism of the present invention; Fig. 9 It is a schematic diagram of the linkage material taking and discharging mechanism of the present invention; Fig.10 is a schematic diagram of a driving roller of the present invention; Fig.11 It is a schematic diagram of a parts bin of the present invention; Fig.12 It is a schematic diagram of resetting the action driver of the present invention.

[0016] In the figure: 1. Material picking and placing rack; 2. Placing surface; 3. Blocker; 4. Action driver; 5. Material picker; 6. Material placer; 7. Single tube support; 8. Material blocking step; 9. Groove; 10. Linkage support rack; 11. Driving roller; 12. Transfer position sensor; 13. Heat pipe limiter; 14. Welding position sensor; 15. Clamping and rotating mechanism; 16. Mobile welding gun; 17. Parts bin; 18. Automatic moving seat; 19. Pre-set storage rack; 20. Pre-set surface; 21. Placing rack; 22. Material picking push rod; 23. Lifter; 24. Finished welding product placing rack; 25. Receiving groove; 26. Rolling guide slope; 27. Heat pipe base tube; 28. Welding sleeve; 29. ​​Lower head; 30. Upper head; 31. Parts limiter; 32. Parts positioning clamp; 33. Intelligent control module. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0018] like Figure 1-12 As shown, the present invention provides a heat pipe intelligent welding device, which is sequentially arranged from the feeding direction to the discharging direction: a pre-set storage rack 19, at least one set of welding functional structures, a welding finished product placement rack 24, and an intelligent control module; Regarding the pre-set storage rack 19, Figure 3 As shown, it is an optional implementation scheme of the present invention. The pre-set storage rack 19 is generally a three-dimensional rectangular rack, and its top surface is a pre-set surface 20 for supporting unprocessed heat pipe base tubes 27. The pre-set surface 20 is an inclined surface, and the discharge side is lower than the feed side, wherein the discharge side and the feed side correspond to the discharge direction and the feed direction of the heat pipe base tube 27, respectively. When there are heat pipe base tubes 27 on the pre-set surface 20, the heat pipe base tubes 27 will automatically roll toward the discharge side under the action of gravity. Generally, the pre-set surface 20 only supports one layer of heat pipe base tubes 27 to be welded. In actual work, the heat pipe base tubes 27 in the centralized storage place of the heat pipe base tubes 27 are transferred to the pre-set surface 20 by equipment such as a crane to wait for subsequent welding work. The preset storage rack 19 can support multiple unprocessed heat pipe base tubes 27 at one time. When the heat pipe base tubes 27 are actually welded, it can facilitate the entire welding line to have sufficient material sources, so that the entire welding line can continue to work and reduce idle time, thereby making the overall welding work more efficient.

[0019] Regarding the welding functional structure, it is a necessary core solution of the present invention. For example, the heat pipe base tube 27 has only one place where parts need to be welded, that is, there is only one set of welding functional structures in the device, and its structure includes a material picking and placing rack 1, a linkage material picking and placing mechanism, a welding transfer mechanism, and a single-tube welding mechanism.

[0020] Regarding the material receiving and placing rack 1, Fig.12 As shown, the material taking and placing rack 1 includes a placing rack body 21 and a material taking mechanism. The placing rack body 21 is generally a three-dimensional rectangular rack. The top surface of the placing rack body 21 is the placing surface 2. The placing surface 2 is an inclined surface with the discharge side lower than the feed side. The placing surface 2 is used to place the unwelded heat pipe base tube 27. In actual implementation, the feed side of the placing surface 2 corresponds to the lower part of the discharge side of the preset surface 20 of the preset storage rack 19. The heat pipe base tube 27 on the preset surface 20 will roll down to the placing surface 2 under the action of gravity without obstruction. In order to prevent the heat pipe substrate 27 on the preset surface 20 from falling without being blocked, a material taking mechanism is provided, such as Figure 5As shown, the material taking mechanism includes at least two groups of material taking push rods 22 and a lifter 23. One end of the material taking push rod 22 is rotatably hinged with one end of the top of the placing frame 21 corresponding to the material discharging side. The other end of the material taking rod is arranged at the feeding side of the top of the placing frame 21. The top of the lifter 23 is connected to the other end of the material taking rod. The bottom end of the lifter 23 is fixedly connected to the placing frame 21. When the lifter 23 is extended, the feeding side of the material taking rod is driven to rise. That is, at this time, the feeding side of the material taking rod is higher than the preset surface 20, and the hot welded material of the preset surface 20 can be blocked by the material taking rod. When the tube base tube 27 rolls down and the lifter 23 shortens, the feeding side of the material taking rod is driven to lower. At this time, the feeding side of the material taking rod is lower than the preset surface 20, so that the heat pipe base tube 27 on the preset surface 20 can smoothly roll down to the placement surface 2, that is, one material taking is completed; each time the lifter 23 moves, at least one heat pipe base tube 27 to be welded is taken from the preset storage rack 19 to the placement rack 21, that is, the time from shortening to extending the lifter 23 must be at least longer than the time for one heat pipe base tube 27 to roll down, so as to achieve the removal of the heat pipe base tube 27 from the preset storage rack 19; Specifically, the lifter 23 is an air pump with a solenoid valve, the fixed end of the air pump is fixedly connected to the placement frame 21, the lifting part of the air pump is connected to the material picking rod, and the air pump is a structure that can be extended and shortened. In addition, the lifter 23 can be set to a structure whose other active end can be raised and lowered, such as an electric telescopic rod. As long as the structure can realize the lifting and lowering of the feeding side of the material picking rod and does not affect the rolling of the heat pipe base tube 27, it can be used as the lifter 23.

[0021] In order to prevent the heat pipe base tube 27 on the placement surface 2 from rolling down directly, a stopper 3 is arranged at the discharge side of the placement surface 2. The stopper 3 is used to limit the heat pipe base tube 27 on the placement surface 2. The stopper 3 is a plurality of blocks and plates protruding from the placement surface 2. In actual use, stoppers 3 of different heights and curvatures can be selected according to the size of the heat pipe base tube 27, and are evenly installed on the edge of the placement frame 21 corresponding to the discharge side of the placement surface 2. When the heat pipe base tube 27 rolls to the discharge side of the placement surface 2 under the action of gravity, the stopper 3 limits the heat pipe base tube 27, thereby preventing the heat pipe base tube 27 from rolling down.

[0022] Regarding the linkage material picking and discharging mechanism, the linkage material picking and discharging mechanism includes a linkage support frame 10, an action driver 4, a material picker 5, a material discharger 6 and a single tube support 7. The action driver 4 is used to drive the material picker 5 and the material discharger 6 on the linkage support frame 10 to move simultaneously, and the unwelded heat pipe base tube 27 is removed from the position of the blocker 3 by the material picker 5, and the welded heat pipe on the single tube support 7 is discharged by the material discharger 6, and the unwelded heat pipe base tube 27 is intercepted by the linkage connection structure; the action driver 4 is also used to drive the material picker 5 and the material discharger 6 to reset, and transfer the unwelded heat pipe base tube 27 to the single tube support 7.

[0023] Its structural arrangement is as follows: the bottom of the single tube support 7 is fixedly installed on the top surface of the linkage support frame 10, a linkage connection structure is arranged between the material picker 5 and the material discharger 6, the bottom of the material picker 5 and the linkage support frame 10 are connected through the action driver 4, the single tube support 7 and the material discharger 6 are arranged in parallel, that is, in parallel in the axial direction of the heat pipe base tube 27; the feed side of the material picker 5 corresponds to the position of the blocker 3.

[0024] Specifically, the top surface of the material taker 5, the top surface of the discharger 6, and the top surface of the single tube support 7 are all inclined surfaces with the feeding side higher than the discharging side; in actual implementation, the material taker 5, the discharger 6, and the single tube support 7 are set as vertical plates, but since the heat pipe base tube 27 itself is long, a single vertical plate is difficult to stably support, so a plurality of material takers 5, dischargers 6, and single tube supports 7 are set along the axial direction of the heat pipe base tube 27 on the linkage support frame 10, so as to stably support the heat pipe base tube 27. The discharging side of the material taker 5 is connected to the feeding side of the discharger 6, and the top surface discharging side of the material taker 5 is lower than the top surface feeding side of the discharger 6, forming a material blocking step 8, that is, a linkage connection structure, that is, in actual implementation, the material taker 5 and the discharger 6 can be set as a whole plate, and a material blocking step 8 is set in the middle of the top.

[0025] A concave groove 9 for accommodating the heat pipe base tube 27 is provided in the middle of the top surface of the single tube support 7. The feeding side of the groove 9 corresponds to the feeding side of the discharger 6. The discharging side of the groove 9 is located within the range of the discharger 6. The feeding side of the top surface of the single tube support 7 is located in the middle of the taker 5. like Figure 8 and 9 As shown, the positions of the material grabber 5 and the blocker 3 correspond, and the corresponding relationship of the positions is: when the material grabber 5 is lowered, its feed side is located below the blocker 3, and when the material grabber 5 is raised, its feed side can drive a heat pipe base tube 27 directly in contact with the blocker 3 to rise, that is, the feed side of the material grabber 5 and the heat pipe base tube 27 directly blocked by the blocker 3 are in the same vertical position.

[0026] Specifically, when the action driver 4 is in action, that is, the material picker 5 and the discharger 6 are raised, at this time, the top surface of the material picker 5 is higher than the top surface of the single tube support 7, and the feeding side of the material picker 5 lifts up a heat pipe base tube 27 on the blocker 3. Since the top surface of the material picker 5 is a surface inclined downward on the discharge side, the lifted heat pipe base tube 27 will roll down to the discharge side of the material picker 5 under the action of gravity. Due to the existence of the blocking step 8, the heat pipe base tube 27 can be blocked at the discharge side position of the top surface of the material picker 5; at the same time, the discharger 6 is also raised, so the welded heat pipe base tube 27 located in the groove 9 of the single tube support 7 can be lifted up to be separated from the single tube support 7 and supported only by the discharger 6. Since the top of the discharger 6 is also inclined downward on the discharge side, the welded heat pipe base tube 27 will naturally roll down under the action of gravity, completing the discharge of the welded heat pipe.

[0027] When the action driver 4 is reset, that is, the material taker 5 and the material discharger 6 are lowered, at this time, the top surface of the material discharger 6 is lower than the top surface of the single tube support 7, and the top surface of the material taker 5 is lower than the top surface of the single tube support 7. When the material taker 5 is lowered below the single tube support 7, the heat pipe base tube 27 at the material blocking step 8 will be received by the top surface of the single tube support 7. Since the top surface of the single tube support 7 is also inclined, and the feed side position of its groove 9 corresponds to the position of the material blocking step 8, the heat pipe base tube 27 rolls to the bottom of the groove 9 under the action of natural gravity. Therefore, when the action driver 4 is acted and reset once, the unwelded heat pipe base tube 27 can be taken and placed in the groove 9 of the single tube support 7, and the heat pipe base tube 27 that has been welded and is located in the groove 9 of the single tube support 7 can be discharged.

[0028] Specifically, the action driver 4 is a lifting air pump with a solenoid valve, the fixed part of the lifting air pump is fixedly connected to the frame of the linkage support frame 10, the telescopic part of the lifting air pump is fixedly connected to the bottom of the material picker 5 and the material discharger 6, and the material picker 5 and the material discharger 6 are arranged on the top of the linkage support frame 10. The action driver 4 is the same as the lifter 23. As long as it is a structure that can be lifted and lowered, there is no restriction on its specific structural type.

[0029] Regarding welding transfer mechanism, such as Figure 6 As shown, the welding transfer mechanism corresponds to the position of the single tube supporter 7, that is, both are located in the axial position of the heat pipe base tube 27, and are used to transfer the position of the heat pipe base tube 27 between the single tube supporter 7 and the single tube welding mechanism; The welding transfer mechanism includes a plurality of driving rollers 11 that can rotate along the axial direction of the heat pipe base tube 27. The position of the driving roller 11 corresponds to the position of the bottom of the groove 9 of the single tube supporter 7. The driving roller 11 is rotatably installed on the top of the linkage support frame 10. A corresponding driving motor is arranged at the driving roller 11 to drive the driving roller 11 to rotate. When the heat pipe base tube 27 enters the groove 9, the top surface of the driving roller 11 supports the heat pipe base tube 27. When the driving roller 11 rotates, the heat pipe base tube 27 is driven to move axially. In addition, there are more than one driving rollers 11, which are evenly distributed on the axial movement path of the heat pipe base tube 27, so as to ensure that the heat pipe base tube 27 can be continuously and stably supported by the driving roller 11 during the movement.

[0030] like Fig.10 As shown, the shape of the driving roller 11 is a wheel body with protruding ends and a concave middle, which can support the heat pipe base tube 27 in the middle during the rotation process. Specifically, an anti-skid buffer layer can be provided on the outer side of the driving roller 11 to have greater friction with the heat pipe base tube 27, so as to facilitate the stable transfer of the heat pipe base tube 27.

[0031] The welding transfer mechanism can also be set to other structures, such as a reciprocating mechanical transfer fixture, including a driving track and a track moving seat, the driving track is set on the axial path of the heat pipe base tube 27, and is fixedly installed with the linkage support frame 10, and the track moving seat moves on the driving track, and its top is used to support the heat pipe base tube 27 supported on the single tube supporter 7. When the heat pipe base tube 27 is taken out and reaches the top of the track moving seat through the single tube supporter 7, the heat pipe base tube 27 is supported, and the track moving seat is controlled to move toward the direction of the single tube welding mechanism, so that the heat pipe base tube 27 can be transferred to the welding position of the single tube welding mechanism. After the welding is completed, the track moving seat is reset, driving the heat pipe base tube 27 back to the position of the linkage taking and discharging mechanism.

[0032] A transfer position sensor 12 is also provided on the top of the linkage support frame 10. The transfer position sensor 12 is also installed at the top of the linkage support frame 10 corresponding to the position of the heat pipe base tube 27. The transfer position sensor 12 is used to identify whether the heat pipe base tube 27 reaches the driving roller 11. If so, the driving roller 11 is started to rotate to transfer the heat pipe base tube 27 to the position of the single tube welding mechanism. That is, the transfer position sensor 12 detects the position of the unwelded heat pipe base tube 27 after the action driver 4 is actuated once and reset.

[0033] Regarding the single tube welding mechanism, such as Figure 6 and 7As shown, the single-tube welding mechanism is used to install and weld the unwelded heat pipe base tube 27 with the accessories to be welded. The entire single-tube welding mechanism is arranged at a position corresponding to the single-tube supporter 7 and is located on the axial moving path of the heat pipe base tube 27. When the driving roller 11 rotates, the heat pipe base tube 27 on the single-tube supporter 7 is transferred to the single-tube welding position.

[0034] The single-tube welding mechanism is provided with a heat pipe base tube 27 stopper 13, a welding position sensor 14, a clamping and rotating mechanism 15, an automatic parts delivery mechanism, a parts positioning clamp 32, and a mobile welding gun 16; The automatic parts delivery mechanism is used to place the parts to be welded at the welding position before the heat pipe base tube 27 is transferred to the position of the single tube welding mechanism, and control the parts positioning clamp 32 to limit and clamp the parts to be welded. When the parts to be welded are fixed, the automatic parts delivery mechanism is retracted, and the parts to be welded are placed on the axial moving path of the heat pipe base tube 27. When the driving roller 11 drives the heat pipe base tube 27 to continuously enter the welding position, the heat pipe base tube 27 and the parts to be welded can be installed at corresponding positions. The stopper 13 of the heat pipe base tube 27 is used to limit the heat pipe base tube 27 transferred axially into the single tube welding mechanism, and the welding position sensor 14 identifies whether the heat pipe base tube 27 reaches the welding position. When the heat pipe base tube 27 reaches the welding position, the clamping and rotating mechanism 15 clamps the heat pipe base tube 27, that is, temporarily fixes the heat pipe base tube 27. At this time, the positions of the parts to be welded and the heat pipe base tube 27 are temporarily fixed, so as to facilitate subsequent welding. The clamping and rotating mechanism 15 is a pneumatic chuck, and the clamping and rotation are controlled by the intelligent control module 33. Specifically, the clamping and rotating mechanism 15 has an external fixing ring, and an extendable contact plate or rod or other retractable structure is arranged inside the fixing ring. When the heat pipe base tube enters, the contact plate inside the fixing ring is contracted. When the heat pipe base tube needs to be fixed, the contact plate is extended to contact and clamp the heat pipe base tube. In actual use, the extension length of the contact plate can be adjusted to achieve clamping of heat pipe base tubes with different diameters and thicknesses. For example, the physical device can be pre-designed to serve the clamping and fixing of heat pipe base tubes with a diameter of 20mm-90mm.

[0035] The mobile welding gun 16 is used to perform positioning spot welding on the welding position after the heat pipe base tube 27 and the parts to be welded are clamped. The positioning spot welding only completes the preliminary welding between the heat pipe base tube 27 and the parts to be welded, and is used to ensure that the parts will not fall off the heat pipe base tube 27 when the clamping of the parts is released at this time. After the positioning spot welding is completed, the parts to be welded are released by the part positioning clamp 32, and then the clamping rotating mechanism 15 drives the heat pipe base tube 27 to rotate circumferentially, while the mobile welding gun 16 works to perform circumferential welding on the heat pipe base tube 27, that is, to perform complete welding between the heat pipe base tube 27 and the parts. Specifically, the mobile welding gun 16 is also provided with a mobile driving structure for welding different positions. During the positioning spot welding, multiple welding points can be welded, so that the positioning spot welding between the heat pipe base tube 27 and the parts can be more firm, preventing the parts from falling off before the formal welding.

[0036] Specifically, Fig.11 As shown, the automatic parts delivery mechanism includes an inclined parts bin 17 and an automatic moving seat 18. The bottom end of the parts bin 17 is provided with a parts outlet and a parts stopper 31. The parts outlet can only accommodate one part to be welded. The parts stopper 31 is used to limit the part to be welded at the parts outlet. The automatic moving seat 18 is used to drive the parts bin 17 to move to the welding position. When the part to be welded at the parts outlet is fixed by the part positioning clamp 32, the automatic moving seat 18 moves to drive the parts bin 17 to withdraw from the welding position. The parts to be welded at the bottom of the parts bin 17 automatically roll to the parts outlet under the action of gravity, completing the automatic feeding of the parts. When the welding of the heat pipe base tube 27 is completed and transferred out of the welding position, the automatic moving seat 18 drives the parts bin 17 to move to the welding position, which is convenient for the next welding of the heat pipe base tube 27.

[0037] Regarding the welding finished product placement rack 24, as Figure 4 As shown, the welding finished product placement rack 24 is arranged below the discharge side of the feeder 6, and is used to centrally receive the welded heat pipes. When the feeder 6 is rising, the welded heat pipes on the single-tube support 7 will roll down to the welding finished product placement rack 24 for centralized reception. A recessed receiving groove 25 is provided at the top of the finished welding product placement rack 24, and a rolling guide slope 26 is provided on the side of the receiving groove 25 close to the discharger 6 for obliquely supporting the welded heat pipe rolling down from the discharger 6 to reduce damage to the heat pipe base tube 27.

[0038] The intelligent control module is used to intelligently control the material picking and placing rack 1, the linked material picking and placing mechanism, the welding transfer mechanism, and the single-tube welding mechanism to execute the welding process. All electrical devices in the present invention can be controlled in terms of timing and action. Generally, the intelligent control module uses a single-chip microcomputer or a PLC, and cooperates with the internal process program to realize intelligent automation. When the workpiece needs to be replaced, it can be executed by simply modifying the process program in the intelligent control module.

[0039] As an optional embodiment of the present invention, the material picking and placing rack 1, the linked material picking and discharging mechanism, the welding transfer mechanism and the single-tube welding mechanism are a group of welding functional structures. When the number of welding positions of the heat pipe base tube 27 is n, n groups are set. The discharge of the linked material picking and discharging mechanism of the previous group is taken over by the material picking and placing rack 1 of the next group. The material picking and placing rack 1 of the first group is taken over by the discharge of the preset storage rack 19, and the discharge of the linked material picking and discharging mechanism of the last group is taken over by the welding finished product placing rack 24. That is, by adaptively setting the specific structure on the welding pipe welding mechanism, each group of welding functional structures can weld one position on the heat pipe base tube 27 respectively. After the welding at one position is completed, it is taken over by the next group of welding functional structures to complete the welding of the next position, until all welding positions are welded, so that the assembly line automatic operation of multiple welding positions on the heat pipe base tube 27 can be realized, and the welding of all parts to be welded on a heat pipe base tube 27 can be completed at one time.

[0040] As an embodiment of the present invention, Figure 1 and 2 As shown, the actual welding requirements of the heat pipe base tube 27 include three places, namely, the welding of the upper head 30 at one end of the heat pipe base tube 27, the welding of the lower head 29 at the other end of the heat pipe base tube 27, and the welding sleeve 28 of the body of the heat pipe base tube 27; therefore, on the actual heat pipe intelligent welding device, a pre-storage placement rack, three groups of welding functional structures, and a welding finished product placement rack 24 are sequentially arranged from the feeding direction to the discharging direction at one time; the welding functions corresponding to the three groups of welding functional structures are welding sleeve 28 welding, lower head 29 welding, and upper head 30 welding; The actual processing process is: Preparation of heat pipe base tubes 27: Place the heat pipe base tubes 27 to be welded on the inclined preset surface 20 of the preset storage rack 19 by means of a crane or other equipment. Since the preset surface 20 is inclined, the heat pipe base tubes 27 will automatically roll to the discharge side of the preset surface 20, and multiple heat pipe base tubes 27 will be neatly arranged in parallel.

[0041] Welding sleeve 28 welding process: The lifting device 23 of the material taking mechanism of the first group of material taking and placing racks 1 is lowered, driving the material taking push rod 22 to be lowered, so that the heat pipe base tube 27 of the preset surface 20 rolls down to the placing surface 2 and is blocked and limited by the stopper 3; The action driver 4 of the first group of linkage material taking and discharging mechanisms is actuated, driving the material taker 5 and the material discharging device 6 to rise, and the material taker 5 with the inclined top surface takes a heat pipe base tube 27 from the position of the blocker 3, and is blocked and limited by the material blocking step 8. At the same time, the heat pipe base tube 27 on the single tube support 7 is lifted up by the material discharging device 6 with the inclined top surface and slides down to the placement surface 2 of the second group of material taking and placing racks 1; the action driver 4 is reset, driving the material taker 5 and the material discharging device 6 to descend, and the heat pipe base tube 27 is rolled down to the position of the groove 9 by the single tube support 7 with the inclined top surface, and is received by the driving roller 11 of the welding transfer mechanism corresponding to the position of the groove 9; The transfer position sensor 12 of the welding transfer mechanism is triggered when the heat pipe base tube 27 falls onto the driving roller 11, thereby confirming that the heat pipe base tube 27 is in place, and then the driving roller 11 is started to roll, driving the heat pipe base tube 27 to move axially to the single-tube welding mechanism; When the heat pipe base tube 27 moves to the position of the heat pipe base tube 27 stopper 13 of the single-tube welding mechanism, the welding position sensor 14 is triggered to identify and confirm that the heat pipe base tube 27 has reached the welding position; before the heat pipe base tube 27 enters the welding position, the automatic parts delivery mechanism containing the welding sleeve 28 is activated in advance, so that the welding sleeve 28 bin is driven by the automatic moving seat 18 to the position where the heat pipe base tube 27 and the welding sleeve 28 are to be welded, and the welding sleeve 28 is fixed in position by the parts positioning clamp 32, and then returned to the welding sleeve 28 bin, when the heat pipe base tube 27 moves axially to the welding position, it passes through the welding sleeve 28 fixed by the additional positioning clamp; After the heat pipe base tube 27 is in place, the heat pipe base tube 27 is clamped by the clamping rotating mechanism 15, and the mobile welding gun 16 is used to first perform positioning spot welding on the heat pipe base tube 27 and the welding sleeve 28, and the relative position between the welding sleeve 28 and the heat pipe base tube 27 is initially fixed, and then the part positioning clamp 32 is controlled to relax and retract. The clamping rotating mechanism 15 is driven to rotate, and the mobile welding gun 16 is driven to work at the same time, and the preset welding position is fully welded. In order to ensure stable welding, two front and rear driving clamping rotating mechanisms 15 are used.

[0042] After the welding between the welding sleeve 28 and the heat pipe base tube 27 is completed, the clamping rotation mechanism 15 is controlled to relax, and the driving roller 11 works in reverse to drive the welded heat pipe base tube 27 back to the groove 9 position of the single tube support 7, and the transfer position sensor 12 confirms that it is in place, and the next action driver 4 is started to act, and the current heat pipe base tube 27 is transferred to the material taking and placing rack 1 of the welding functional structure of the lower head 29.

[0043] Lower head 29 welding process: After the material taking and placing rack 1 welded by the lower head 29 receives the heat pipe base tube 27 after the welding sleeve 28 is welded, the lower head 29 is welded. The welding process of the lower head 29 is similar to the welding process of the welding sleeve 28, and the only difference lies in the partial structure of the single-tube welding mechanism, including: the parts bin 17 of the lower head 29 and the parts limit clamp of the lower head 29 are matched according to the shape of the lower head 29, and are used to stably place the lower head 29; the position of the limiter 13 of the heat pipe base tube 27 is also adaptively adjusted according to the welding position of the lower head 29.

[0044] Upper head 30 welding process: After the welding of the lower head 29 is completed, the material taking and placing rack 1 welded by the upper head 30 receives the heat pipe base tube 27 welded with the welding sleeve 28 and the lower head 29, and then the upper head 30 is welded. The welding process of the upper head 30 is similar to that of the lower head 29, and the only difference lies in the partial structure of the single-tube welding mechanism, including: the parts bin 17 of the upper head 30 and the parts limit clamp of the upper head 30 are matched according to the shape of the upper head 30, and are used to stably place the upper head 30; the position of the limiter 13 of the heat pipe base tube 27 is also adaptively adjusted according to the welding position of the upper head 30.

[0045] After the welding of the upper end cap 30 is completed, the current heat pipe base tube 27 is transferred to the welding finished product placement rack 24 for centralized receiving of the finished products.

[0046] It is important to note that the automatic welding mechanism for the heat pipe base tube 27 of the present invention is also provided with a corresponding control unit, such as a PLC control box, etc., in which there is an intelligent control program for automatic pipe feeding and welding, which is used to realize the automatic control of each electronic control unit in the present invention.

[0047] The technical advantages of the present invention are: the entire heat pipe intelligent welding device can realize intelligent automatic operation through the control program. In the case of non-fault, the entire welding process from feeding to discharging does not require manual intervention; in the entire welding process, it can realize intelligent material collection and storage, intelligent single-tube transfer collection, intelligent single-tube transfer discharge, and intelligent single-tube welding, that is, the automatic intelligent operation of the entire welding process, so the efficiency of the overall processing process can be greatly improved. Especially in the process of intelligent single-tube transfer collection and discharge, the two can be executed synchronously through the linkage connection structure. During the welding transfer, the material can be replenished without delay, which greatly improves the working frequency of the welding process. In the entire welding process, the work efficiency is greatly improved, which is suitable for the processing of large quantities of heat pipe base tubes 27.

[0048] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A heat pipe intelligent welding device, characterized by: It includes a material taking and placing frame (1), a linkage material taking and placing mechanism, a welding transfer mechanism, a single-tube welding mechanism, and an intelligent control module (33); The top surface of the material taking and placing rack (1) is set as a placing surface (2), and a stopper (3) is provided on the material discharging side of the placing surface (2). The placing surface (2) is used to place unwelded heat pipe base tubes (27), and the stopper (3) is used to limit the position of the heat pipe base tubes (27) on the placing surface (2); The linkage material taking and discharging mechanism comprises an action driver (4), a material taker (5), a material discharger (6) and a single tube supporter (7); a linkage connection structure is provided between the material taker (5) and the material discharger (6); the action driver (4) is used to drive the material taker (5) and the material discharger (6) to act simultaneously, to remove the unwelded heat pipe base tube (27) from the position of the blocker (3) through the material taker (5), to discharge the welded heat pipe on the single tube supporter (7) through the material discharger (6), and to intercept the unwelded heat pipe base tube (27) through the linkage connection structure; the action driver (4) is also used to drive the material taker (5) and the material discharger (6) to reset, and to transfer the unwelded heat pipe base tube (27) to the single tube supporter (7); The welding transfer mechanism corresponds to the position of the single tube support (7) and is used to transfer the position of the heat pipe base tube (27) between the single tube support (7) and the single tube welding mechanism; The single-tube welding mechanism is used to install and weld the accessories to be welded on the unwelded heat pipe base tube (27); The intelligent control module (33) is used to intelligently control the material taking and placing rack (1), the linked material taking and placing mechanism, the welding transfer mechanism, and the single-tube welding mechanism to execute the welding process.

2. The heat pipe intelligent welding device according to claim 1 is characterized in that: The placement surface (2), the top surface of the material taker (5), the top surface of the material discharger (6), and the top surface of the single tube support (7) are all inclined surfaces with the feeding side being higher than the discharging side; The discharging side of the material taker (5) is connected to the feeding side of the material discharger (6), and the discharging side of the top surface of the material taker (5) is lower than the feeding side of the top surface of the material discharger (6), forming a material blocking step (8), i.e., a linkage connection structure; The single tube support (7) and the discharger (6) are arranged in parallel, and a concave groove (9) for accommodating the heat pipe base tube (27) is arranged in the middle of the top surface of the single tube support (7), the feeding side of the groove (9) corresponds to the feeding side position of the discharger (6), and the discharging side of the groove (9) is located within the range of the discharger (6); the feeding side of the material picker (5) corresponds to the position of the blocker (3), and the action driver (4) is used to drive the material picker (5) and the discharger (6) to rise or fall at the same time. When the action driver (4) is in action, the top surface of the material picker (5) is higher than the top surface of the single tube support (7), and when the action driver (4) is reset, the top surface of the discharger (6) is lower than the top surface of the single tube support (7); The linkage material taking and discharging mechanism also includes a linkage support frame (10), the bottom of the single tube support (7) is fixedly installed on the top surface of the linkage support frame (10), the action driver (4) is a lifting air pump with a solenoid valve, the fixed part of the lifting air pump is fixedly connected to the frame body of the linkage support frame (10), the telescopic part of the lifting air pump is fixedly connected to the bottom of the material taker (5) and the material discharger (6), and the material taker (5) and the material discharger (6) are arranged on the top of the linkage support frame (10).

3. The heat pipe intelligent welding device according to claim 2 is characterized in that: The welding transfer mechanism comprises a plurality of driving rollers (11) that can rotate along the axial direction of the heat pipe base tube (27); the position of the driving rollers (11) corresponds to the position of the bottom of the groove (9) of the single tube supporter (7); the driving rollers (11) are rotatably mounted on the top of the linkage support frame (10); when the heat pipe base tube (27) enters the groove (9), the top surface of the driving rollers (11) supports the heat pipe base tube (27); when the driving rollers (11) rotate, the heat pipe base tube (27) is driven to move along the axial direction; A transfer position sensor (12) is also provided on the top of the linkage support frame (10), and the transfer position sensor (12) is used to identify whether the heat pipe base tube (27) has reached the driving roller (11), and if so, the driving roller (11) is started to rotate to transfer the heat pipe base tube (27).

4. The heat pipe intelligent welding device according to claim 3 is characterized in that: The single-tube welding mechanism is provided with a heat pipe stopper (13), a welding position sensor (14), a clamping and rotating mechanism (15), an automatic parts delivery mechanism, a parts positioning clamp (32), and a movable welding gun (16); The automatic parts delivery mechanism is used to place the parts to be welded at the welding position before the heat pipe base tube (27) is transferred to the position of the single tube welding mechanism, and the automatic parts delivery mechanism is retracted after the parts positioning clamp (32) limits and clamps the parts to be welded; The heat pipe stopper (13) is used to limit the heat pipe base tube (27) transferred axially into the single-tube welding mechanism, and the welding position sensor (14) identifies whether the heat pipe base tube (27) has reached the welding position. When the heat pipe base tube (27) has reached the welding position, the clamping rotation mechanism (15) clamps the heat pipe base tube (27); The mobile welding gun (16) is used to perform positioning spot welding on the welding position after the heat pipe base tube (27) and the parts to be welded are clamped. After the positioning spot welding is completed, the parts to be welded are released by the parts positioning clamp (32), and then the clamping rotation mechanism (15) drives the heat pipe base tube (27) to rotate circumferentially while the mobile welding gun (16) works to perform circumferential welding on the heat pipe base tube (27).

5. The heat pipe intelligent welding device according to claim 4 is characterized in that: The automatic parts dispensing mechanism comprises an inclined parts bin (17) and an automatic moving seat (18). The bottom end of the parts bin (17) is provided with a parts outlet and a parts stopper (31). The parts outlet only accommodates one part to be welded. The parts stopper (31) is used to limit the part to be welded at the parts outlet. The automatic moving seat (18) is used to drive the parts bin (17) to move to a welding position. When the part to be welded at the parts outlet is fixed by a parts positioning clamp (32), the automatic moving seat (18) moves to drive the parts bin (17) to exit the welding position. The part to be welded at the bottom of the parts bin (17) automatically rolls to the parts outlet under the action of gravity.

6. The heat pipe intelligent welding device according to claim 5 is characterized in that: It also comprises a pre-placed storage rack (19), wherein the feeding side of the placement surface (2) is correspondingly supported below the discharging side of the pre-placed surface (20) at the top of the pre-placed storage rack (19), the feeding side of the pre-placed surface (20) is higher than the discharging side of the pre-placed surface (20), and the pre-placed surface (20) is used to support a layer of heat pipe base tubes (27) to be welded from the discharging side to the feeding side.

7. The heat pipe intelligent welding device according to claim 6 is characterized in that: The material taking and placing rack (1) further comprises a placing rack body (21) and a material taking mechanism, wherein the top surface of the placing rack body (21) is a placing surface (2), and each time the material taking mechanism is actuated, at least one heat pipe base tube (27) to be welded is taken from the pre-placed storage rack (19) and placed on the placing rack body (21); The material taking mechanism comprises at least two groups of material taking push rods (22) and a lifter (23); one end of the material taking push rod (22) is hinged to one end of the top end of the placement frame (21) corresponding to the material discharging side; the other end of the material taking rod is arranged at the feeding side of the top end of the placement frame (21); the top end of the lifter (23) is connected to the other end of the material taking rod; the bottom end of the lifter (23) is fixedly connected to the placement frame (21); when the lifter (23) is extended, the feeding side of the material taking rod is driven to rise, thereby blocking the heat pipe base tube (27) to be welded on the preset surface (20) from rolling down; when the lifter (23) is shortened, the feeding side of the material taking rod is driven to lower, thereby causing the heat pipe base tube (27) on the preset surface (20) to roll down to the placement surface (2); The lifting device (23) is an air pump with an electromagnetic valve, the fixed end of the air pump is fixedly connected to the placement frame (21), and the lifting part of the air pump is connected to the material taking rod.

8. The heat pipe intelligent welding device according to claim 7 is characterized in that: It also includes a welding finished product placement rack (24), which is arranged below the discharge side of the discharger (6) and is used to centrally receive the welded heat pipes; The top of the finished welding product placement rack (24) is provided with a recessed receiving groove (25), and a rolling guide slope (26) is provided on one side of the receiving groove (25) close to the discharger (6) for obliquely supporting the welded heat pipe rolling down from the discharger (6).

9. The heat pipe intelligent welding device according to claim 8, characterized in that: The material taking and placing rack (1), the linked material taking and placing mechanism, the welding transfer mechanism and the single tube welding mechanism form a group of welding functional structures. When the number of welding positions of the heat pipe base tube (27) is n, n groups of welding functional structures are provided. The material discharge of the linked material taking and placing mechanism of the previous group of welding functional structures is taken over by the material taking and placing rack (1) of the next group of welding functional structures. The material taking and placing rack (1) of the first group of welding functional structures is taken over by the material discharge of the preset storage rack (19). The material discharge of the linked material taking and placing mechanism of the last group of welding functional structures is taken over by the welding finished product placing rack (24).

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