Heat sink attaching device and method

Abstract

The present invention provides a heat sink attachment device and method, including a heat sink feeding device, a frame loading and unloading device and a pressing device, wherein the heat sink feeding device is connected to the pressing device, and the pressing device is connected to the frame loading and unloading device, and the heat sink feeding device includes a feeding mechanism, a transfer mechanism, a transfer mechanism, a film scraping mechanism and a platform transfer mechanism, wherein the feeding mechanism is used for feeding the heat sink, the transfer mechanism is used for transferring the heat sink after the feeding mechanism is fed to the transfer mechanism, the transfer mechanism is used for conveying the heat sink to the film scraping mechanism, the film scraping mechanism is used for scraping the heat sink and transferring the heat sink after the film scraping to the platform transfer mechanism for sorting, and the platform transfer mechanism is used for transferring the heat sink to the pressing device to complete the pressing with the frame. The present invention realizes the effective bonding of the heat sink and the frame, and solves the heat dissipation problem of the internal components of the high-current intelligent power module.

Description

Technical Field

[0001] The present invention relates to the technical field of automation equipment, and in particular to a heat sink attaching device and method. Background Art

[0002] Existing intelligent power modules generally do not encapsulate the heat sink, but are directly encapsulated. When in use, a heat sink or cooling fan is installed on the periphery. Such intelligent power modules have the following disadvantages: (1) The heat dissipation effect of the chip inside the intelligent power module is poor; (2) The service life of the intelligent power module is greatly shortened; (3) The power designed by the intelligent power module cannot be effectively utilized. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention proposes a heat sink attaching device and method to achieve the bonding of the frame and the heat sink of the intelligent power module, and maintain the original physical properties after the frame is plastic-sealed by bonding the heat sink; and achieve the heat transfer of components attached to the frame through the heat sink when in use.

[0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] A heat sink attaching device comprises a heat sink feeding device, a frame loading and unloading device and a pressing device, wherein the heat sink feeding device is connected to the pressing device, and the pressing device is connected to the frame loading and unloading device. The heat sink feeding device comprises a feeding mechanism, a transfer mechanism, a loading and unloading mechanism, a film scraping mechanism and a platform loading and unloading mechanism. The feeding mechanism is used for feeding the heat sink, the transfer mechanism is used for transferring the heat sink fed by the feeding mechanism to the loading and unloading mechanism, the loading and unloading mechanism is used for transporting the heat sink to the film scraping mechanism, the film scraping mechanism is used for scraping the heat sink and transferring the scraped heat sink to the platform loading and unloading mechanism for arrangement, and the platform loading and unloading mechanism is used for transferring the heat sink to the pressing device to complete the pressing with the frame. The heat sink loading device completes the loading of the heat sink, the frame loading and unloading device completes the loading of the frame and the unloading of the frame after pressing, and the pressing device completes the preheating and pressing of the frame and the heat sink, thereby achieving effective bonding between the heat sink and the frame, solving the heat dissipation problem of the internal components of the high-current intelligent power module, and effectively extending the service life of the high-current intelligent module.

[0006] Furthermore, the frame loading and unloading device includes a loading and unloading mechanism, a push rod mechanism, a transfer platform mechanism and a frame transfer mechanism. The loading and unloading mechanism is used to complete the loading of the frame to the push rod mechanism and to complete the unloading of the frame from the push rod mechanism. The push rod mechanism is used to transfer the frame to the transfer platform mechanism. The transfer platform mechanism is used to arrange the frame. The frame transfer mechanism is used to transfer the frame to the pressing device to complete the pressing with the heat sink. The loading and unloading mechanism, the push rod mechanism, the transfer platform mechanism and the frame transfer mechanism jointly complete the loading and unloading actions of the frame. The operation is fully automated. The actions are kept consistent during the processing to ensure the unity of the frame during the loading process.

[0007] Furthermore, the feeding mechanism includes a heat sink box, a heat sink top rod, a first screw rod, a first slider, a first cylinder, a first sensor, a second sensor, a first motor and a belt, wherein the belt connects the first motor and the first screw rod, the first slider is mounted on the first screw rod, the heat sink box is mounted with heat sinks, the heat sink top rod is arranged below the heat sink box for pushing the heat sink to move, the first cylinder is arranged at the rear side of the heat sink box for locating the heat sink position, the first sensor is mounted on the side of the heat sink box for sensing the heat sink position, and the second sensor is mounted on the side of the first screw rod for sensing the moving position of the first screw rod. The heat sink is mounted in the heat sink box, the heat sink top rod pushes the heat sink to rise, the first screw rod drives the heat sink top rod to move, the first slider realizes the linear movement of the heat sink top rod, the first motor provides a power source for the rotation of the first screw rod, the belt serves as a transmission device for the rotation of the first screw rod, and the feeding mechanism realizes the preliminary feeding of the heat sink.

[0008] Furthermore, the transfer mechanism includes a second motor, a first vacuum suction nozzle, a third motor, a first vacuum solenoid valve, a second slider and a first drag chain. The first vacuum suction nozzle is connected to the second motor through an air pipe. A movable plate is provided below the second motor. The movable plate is connected to the second slider. The third motor controls the movement of the movable plate. The first drag chain is provided below the second slider to guide the air pipe and the motor control line. The first vacuum solenoid valve is connected to the first vacuum suction nozzle to control the suction force of the first vacuum suction nozzle. The second motor controls the rise and fall of the first vacuum suction nozzle. The first vacuum suction nozzle is controlled by the first vacuum solenoid valve to suck and release the heat sink. The third motor controls the movement of the first vacuum suction nozzle installed on the movable plate. The second slider realizes the linear movement of the movable plate. The transfer mechanism completes the transfer action of the heat sink.

[0009] Furthermore, the transfer mechanism includes a first bracket, a second vacuum nozzle, a second cylinder, a second drag chain, a fourth motor, a first guide column bearing, a dust box and a first slide rail. The first bracket is mounted on the first slide rail through the first guide column bearing. The fourth motor is used to control the movement of the first bracket. The dust box is mounted on the first bracket. The second vacuum nozzle is mounted on the dust box. The second cylinder is arranged below the first bracket to control the lifting of the first bracket. The second drag chain is arranged on both sides of the first slide rail to guide the air pipe and the motor control line. The first bracket is used to fix the second vacuum nozzle and the dust box to prevent deviation caused by shaking. The second vacuum nozzle is used to suck and release the heat sink. The second cylinder is used to control the lifting of the first bracket. The fourth motor is used to control the movement of the first bracket. The first guide column bearing is used to fix the first bracket. The dust box mainly functions to absorb dust to prevent dust from adhering to the heat sink. The first slide rail is used to achieve the linear movement of the first bracket. The transfer mechanism completes the secondary transfer action of the heat sink.

[0010] Furthermore, the film scraping mechanism includes a second bracket, a fifth motor, a third cylinder, a film scraping frame, a tape reel and a tape receiving reel. The tape reel is mounted on the second bracket, the tape receiving reel is arranged below the tape reel, the film scraping frame is mounted below the tape receiving reel for installing the film scraping strap, the fifth motor is connected to the tape reel for controlling the rotation of the tape reel, and the third cylinder is connected to the film scraping frame for controlling the movement of the film scraping frame. The fifth motor is mainly used to control the rotation of the tape reel, the third cylinder is mainly used to control the movement of the film scraping frame, the film scraping frame is used to install the film scraping strap, the tape receiving reel is used to receive the film tape, the second bracket is used to carry the tape reel, the tape reel is mainly used to load the tape, and the film scraping mechanism completes the removal of the heat sink protective film.

[0011] Furthermore, the loading and unloading mechanism includes a clamp arm, a material box, a linear slide, a third bracket, a sixth motor and a fourth cylinder. The linear slide is mounted on the third bracket, the clamp arm is mounted on the linear slide for clamping the material box, the fourth cylinder is mounted on the clamp arm for controlling the opening and closing of the clamp arm, and the sixth motor is mounted on the linear slide for controlling the movement of the clamp arm. The function of the clamp arm is to clamp the frame material box, the function of the material box is to install the frame, the function of the linear slide is to achieve the up and down movement of the material box with the frame, the function of the third bracket is to fix the linear slide, the function of the sixth motor is to control the up and down movement of the clamp arm, and the function of the fourth cylinder is to control the opening and closing of the clamp arm to clamp the material box. The loading and unloading mechanism completes the preliminary loading of the material box with the frame.

[0012] Furthermore, the push rod mechanism includes a seventh motor, a slider rail, a push rod, a third slider, a third sensor and a damping spring. The push rod is installed on the slider rail through the third slider. The seventh motor is installed on the slider rail to control the movement of the push rod. The third sensor is installed below the slider rail to sense the thrust of the push rod. The damping spring is installed on the third slider to cooperate with the third sensor to detect the thrust. The push rod is used to push the frame inside the material box, the seventh motor is used to drive the push rod to move, the slider rail realizes the linear movement of the push rod, the third slider is used to fix the push rod, and the push rod mechanism completes the action of pushing the frame out of the material box.

[0013] Furthermore, the transfer platform mechanism includes a second slide rail, a frame moving platform, an eighth motor, a frame, a third drag chain and a first optical fiber amplifier, the frame moving platform is installed on the second slide rail for transferring the frame, the eighth motor is installed on the frame moving platform for controlling the movement of the frame moving platform, the third drag chain is installed on the second slide rail, and the first optical fiber amplifier is installed on the third drag chain for detecting the position of the frame on the frame moving platform. The second slide rail realizes the linear movement of the frame moving platform, the frame moving platform is used to transfer the frame, the eighth motor is used to control the movement of the frame moving platform, the third drag chain is used to protect the signal line, and the mobile platform mechanism completes the transfer action of the frame.

[0014] Furthermore, the frame transfer mechanism includes a fourth bracket, a third slide rail, a second guide column bearing, a frame clamp, a frame clamp platform, a fifth cylinder, a sixth cylinder, a fourth drag chain, a ninth motor, a second optical fiber amplifier, an optical fiber tube and a positioning screw. The third slide rail is installed on the fourth bracket, the frame clamp platform is installed below the fourth bracket, the ninth motor is installed on the fourth bracket for controlling the movement of the frame clamp platform on the third slide rail, the frame clamp is installed on the frame clamp platform, the sixth cylinder is installed on the frame clamp platform for controlling the opening and closing of the frame clamp, the fifth cylinder is installed on the frame clamp platform for controlling the movement of the frame clamp, the second guide column bearing is installed on the frame clamp platform for guiding the movement of the frame clamp platform, the positioning screw is installed on the fourth bracket for positioning the frame clamp platform, the fourth drag chain is installed above the third slide rail, the second optical fiber amplifier is installed on the fourth bracket for detection signal amplification, and the optical fiber tube is installed on the frame clamp platform for detecting the presence or absence of the frame. The function of the ninth motor is to realize the movement of the frame clamp platform. The function of the positioning screw is to position and limit the movement of the frame clamp platform, ensuring that the movement of the frame clamp platform is within the control range. The function of the frame clamp is to pick up and place the frame, and the frame transfer mechanism completes the frame transfer action.

[0015] Furthermore, the pressing device includes a frame preheating platform, a pressing platform, a heat sink arranging platform, a fourth slide rail, a second screw rod, a tenth motor and an eleventh motor. The frame preheating platform, the pressing platform and the heat sink arranging platform are sequentially installed on the fourth slide rail, the second screw rod is installed on the fourth slide rail, the tenth motor is installed on the fourth slide rail for controlling the movement of the heat sink arranging platform, the eleventh motor is installed on the fourth slide rail for controlling the movement of the frame preheating platform and the pressing platform, the heat sink arranging platform is connected to the heat sink loading device, and the frame preheating device is connected to the frame loading and unloading device.

[0016] Furthermore, the platform transfer mechanism is arranged above the heat sink arranging platform, and the platform transfer mechanism is used to transfer the heat sink from the heat sink arranging platform to the pressing platform. A pressing mechanism is arranged above the pressing platform, and the pressing mechanism is used to press the heat sink and the frame.

[0017] A heat sink attaching method, using a heat sink attaching device as described in any of the above, the specific steps are as follows: a frame loading and unloading device transfers the frame to a crimping device for preheating, a heat sink loading device transfers the heat sink to the crimping device for preheating, the crimping device presses the preheated heat sink and frame, and the frame loading and unloading device unloads the crimped frame.

[0018] The beneficial effects of the heat sink attachment device and method provided by the present invention are: (1) achieving effective bonding between the heat sink and the frame, and maintaining a certain bonding force between the heat sink and the frame; (2) ensuring that the molded frame will not damage the heat sink insulation layer during plastic sealing; and effectively ensuring the insulation of the heat sink copper sheet and the frame; (3) ensuring the consistency of pressing that the heat sink copper sheet is on the surface of the molded body after the module is plastic sealed, thereby ensuring the heat dissipation effect of the module. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the feeding mechanism of the present invention;

[0020] Figure 2 It is a schematic diagram of the transfer mechanism structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of the transfer mechanism of the present invention;

[0022] Figure 4 It is a schematic diagram of the film scraping mechanism of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the loading and unloading mechanism of the present invention;

[0024] Figure 6 It is a schematic diagram of the push rod mechanism structure of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the transfer platform mechanism of the present invention;

[0026] Figure 8 It is a schematic diagram of the structure of the frame transfer mechanism of the present invention;

[0027] Fig. 9 It is a schematic structural diagram of the pressing device of the present invention.

[0028] In the figure: 1, heat sink box; 2, heat sink top rod; 3, first screw rod; 4, first slider; 5, belt; 6, first motor; 7, first sensor; 8, first cylinder; 9, second motor; 10, first vacuum nozzle; 11, moving plate; 12, second slider; 13, third motor; 14, first vacuum solenoid valve; 15, first drag chain; 16, first slide rail; 17, first bracket; 18, dust box; 19, second vacuum nozzle; 20, second cylinder; 21, second drag chain; 22, fourth motor; 23, first guide column bearing; 24, second bracket; 25, tape receiving tray; 26, film scraping frame; 27, third cylinder; 28, fifth motor; 29, tape reel; 30, material box; 31, clamp arm; 32, fourth cylinder; 33, sixth motor; 34, The third bracket; 35. Linear guide rail; 36. The seventh motor; 37. The third sensor; 38. Push rod; 39. The third slider; 40. Shock-absorbing spring; 41. Slider guide rail; 42. Frame moving platform; 43. The eighth motor; 44. The frame; 45. The third drag chain; 46. The first optical fiber amplifier; 47. The second slide rail; 48. The frame clamping platform; 49. The sixth cylinder; 50. The fifth cylinder; 51. The frame clamp; 52. The second guide column bearing; 53. The third slide rail; 54. The fourth drag chain; 55. The positioning screw; 56. The ninth motor; 57. The second optical fiber amplifier; 58. The fourth bracket; 59. The optical fiber tube; 60. The tenth motor; 61. The heat sink arranging platform; 62. The pressing platform; 63. The frame preheating platform; 64. The fourth slide rail; 65. The second screw rod. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary persons in the art without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1: A heat sink attaching device.

[0031] A heat sink attaching device comprises a heat sink loading device, a frame loading and unloading device and a pressing device, wherein the heat sink loading device is connected to the pressing device, and the pressing device is connected to the frame loading and unloading device. The heat sink loading device completes the loading of the heat sink, the frame loading and unloading device completes the loading of the frame and the unloading of the frame after pressing, and the pressing device completes the preheating and pressing of the frame and the heat sink, thereby achieving effective bonding of the heat sink and the frame.

[0032] The heat sink feeding device includes a feeding mechanism, a transfer mechanism, a loading mechanism, a film scraping mechanism and a platform loading mechanism. The feeding mechanism is used for feeding the heat sink. The transfer mechanism is used for transferring the heat sink fed by the feeding mechanism to the loading mechanism. The loading mechanism is used for transporting the heat sink to the film scraping mechanism. The film scraping mechanism is used for scraping the heat sink and transferring the scraped heat sink to the platform loading mechanism for sorting. The platform loading mechanism is used for transferring the heat sink to the pressing device to complete the pressing with the frame.

[0033] The frame loading and unloading device includes a loading and unloading mechanism, a push rod mechanism, a transfer platform mechanism and a frame transfer mechanism. The loading and unloading mechanism is used to complete the loading of the frame to the push rod mechanism and to complete the unloading of the frame from the push rod mechanism. The push rod mechanism is used to transfer the frame to the transfer platform mechanism. The transfer platform mechanism is used to arrange the frame. The frame transfer mechanism is used to transfer the frame to the pressing device to complete the pressing with the heat sink. The loading and unloading mechanism, the push rod mechanism, the transfer platform mechanism and the frame transfer mechanism jointly complete the loading and unloading actions of the frame. The operation is fully automated. The actions are kept consistent during the processing to ensure the unity of the frame during the loading process.

[0034] like Figure 1 As shown, the feeding mechanism includes a heat sink box 1, a heat sink push rod 2, a first screw rod 3, a first slider 4, a first cylinder 8, a first sensor 7, a second sensor, a first motor 6 and a belt 5. The belt 5 connects the first motor 6 and the first screw rod 3. The first slider 4 is installed on the first screw rod 3. The heat sink box 1 is installed with heat sinks. The heat sink push rod 2 is arranged below the heat sink box 1 to push the heat sink to move. The first cylinder 8 is arranged at the rear side of the heat sink box 1 to locate the heat sink position. The first sensor 7 is installed on the side of the heat sink box 1 to sense the heat sink position. The second sensor is installed on the side of the first screw rod 3 to sense the moving position of the first screw rod 3. The heat sink is installed in the heat sink box 1. The heat sink push rod 2 pushes the heat sink to rise. The first screw rod 3 drives the heat sink push rod 2 to move. The first slider 4 realizes the linear operation of the heat sink push rod 2. The first motor 6 provides a power source for the rotation of the first screw rod 3. The belt 5 serves as a transmission device for the rotation of the first screw rod 3. The feeding mechanism realizes the preliminary feeding of the heat sink.

[0035] like Figure 2 As shown, the transfer mechanism includes a second motor 9, a first vacuum nozzle 10, a third motor 13, a first vacuum solenoid valve 14, a second slider 12 and a first drag chain 15. The first vacuum nozzle 10 is connected to the second motor 9 through an air pipe. A moving plate 11 is arranged below the second motor 9. The moving plate 11 is connected to the second slider 12. The third motor 13 controls the movement of the moving plate 11. The first drag chain 15 is arranged below the second slider 12 for guiding the air pipe and the motor control line. The first vacuum solenoid valve 14 is connected to the first vacuum nozzle 10 for controlling the suction force of the first vacuum nozzle 10. The second motor 9 controls the rise and fall of the first vacuum nozzle 10. The first vacuum nozzle 10 is controlled by the first vacuum solenoid valve 14 to suck and release the heat sink. The third motor 13 controls the movement of the first vacuum nozzle 10 installed on the moving plate 11. The second slider 12 realizes the linear movement of the moving plate 11. The transfer mechanism completes the transfer action of the heat sink.

[0036] like Figure 3 As shown, the transfer mechanism includes a first bracket 17, a second vacuum nozzle 19, a second cylinder 20, a second drag chain 21, a fourth motor 22, a first guide column bearing 23, a dust box 18 and a first slide rail 16. The first bracket 17 is installed on the first slide rail 16 through the first guide column bearing 23. The fourth motor 22 is used to control the movement of the first bracket 17. The dust box 18 is installed on the first bracket 17. The second vacuum nozzle 19 is installed on the dust box 18. The second cylinder 20 is arranged below the first bracket 17 to control the lifting and lowering of the first bracket 17. The second drag chain 21 is arranged on both sides of the first slide rail 16 to guide the air pipe and the motor control line. The first bracket 17 is used to fix the second vacuum nozzle 19 and the dust box 18 to prevent deviation caused by shaking. The second vacuum nozzle 19 is used to suck and release the heat sink. The second cylinder 20 is used to control the lifting and lowering of the first bracket 17. The fourth motor 22 is used to control the movement of the first bracket 17. The first guide column bearing 23 is used to fix the first bracket 17. The dust box 18 mainly functions to absorb dust to prevent dust from adhering to the heat sink. The first slide rail 16 is used to realize the linear movement of the first bracket 17. The transfer mechanism completes the secondary transfer action of the heat sink.

[0037] like Figure 4As shown, the film scraping mechanism includes a second bracket 24, a fifth motor 28, a third cylinder 27, a film scraping frame 26, a tape reel 29 and a tape receiving reel 25. The tape reel 29 is mounted on the second bracket 24, the tape receiving reel 25 is arranged below the tape reel 29, the film scraping frame 26 is mounted below the tape receiving reel 25 for installing a film scraping strap, the fifth motor 28 is connected to the tape reel 29 for controlling the rotation of the tape reel 29, and the third cylinder 27 is connected to the film scraping frame 26 for controlling the movement of the film scraping frame 26. The fifth motor 28 is mainly used to control the rotation of the tape reel 29, the third cylinder 27 is mainly used to control the movement of the film scraping frame 26, the film scraping frame 26 is used to install the film scraping strap, the tape receiving reel 25 is used to receive the film tape, the second bracket 24 is used to carry the tape reel 29, and the tape reel 29 is mainly used to load the tape. The film scraping mechanism completes the removal of the heat sink protective film.

[0038] The platform transfer mechanism is disposed above the heat sink arranging platform 61 , and the platform transfer mechanism is used to transfer the heat sink from the heat sink arranging platform 61 to the pressing platform 62 .

[0039] like Figure 5 As shown, the loading and unloading mechanism includes a clamp arm 31, a material box 30, a linear slide 35, a third bracket 34, a sixth motor 33 and a fourth cylinder 32. The linear slide 35 is mounted on the third bracket 34, the clamp arm 31 is mounted on the linear slide 35 for clamping the material box 30, the fourth cylinder 32 is mounted on the clamp arm 31 for controlling the clamp arm 31 to open and close, and the sixth motor 33 is mounted on the linear slide 35 for controlling the movement of the clamp arm 31. The function of the clamp arm 31 is to clamp the frame material box 30, the function of the material box 30 is to install the frame, the function of the linear slide 35 is to realize the up and down movement of the frame material box 30, the function of the third bracket 34 is to fix the linear slide 35, the function of the sixth motor 33 is to control the up and down movement of the clamp arm 31, and the function of the fourth cylinder 32 is to control the opening and closing of the clamp arm 31 to clamp the material box 30. The loading and unloading mechanism completes the preliminary loading of the frame material box 30.

[0040] like Figure 6As shown, the push rod mechanism includes the seventh motor 36, the slider rail 41, the push rod 38, the third slider 39, the third sensor 37 and the damping spring 40. The push rod 38 is installed on the slider rail 41 through the third slider 39. The seventh motor 36 is installed on the slider rail 41 to control the movement of the push rod 38. The third sensor 37 is installed below the slider rail 41 to sense the thrust of the push rod 38. The damping spring 40 is installed on the third slider 39 to cooperate with the third sensor 37 to detect the thrust. The push rod 38 is used to push the frame inside the material box 30. The seventh motor 36 is used to drive the push rod 38 to move. The slider rail 41 realizes the linear motion of the push rod 38. The third slider 39 is used to fix the push rod 38. The push rod mechanism completes the action of pushing the frame out of the material box 30.

[0041] like Figure 7 As shown, the transfer platform mechanism includes a second slide rail 47, a frame moving platform 42, an eighth motor 43, a frame 44, a third drag chain 45 and a first optical fiber amplifier 46. The frame moving platform 42 is installed on the second slide rail 47 for transferring the frame 44. The eighth motor 43 is installed on the frame moving platform 42 for controlling the movement of the frame moving platform 42. The third drag chain 45 is installed on the second slide rail 47. The first optical fiber amplifier 46 is installed on the third drag chain 45 for detecting the position of the frame 44 on the frame moving platform 42. The second slide rail 47 realizes the linear movement of the frame moving platform 42. The function of the frame moving platform 42 is to transfer the frame 44. The function of the eighth motor 43 is to control the movement of the frame moving platform 42. The third drag chain 45 is used to protect the signal line. The mobile platform mechanism completes the transfer action of the frame 44.

[0042] like Figure 8As shown, the frame transfer mechanism includes a fourth bracket 58, a third slide rail 53, a second guide column bearing 52, a frame clamp 51, a frame clamp platform 48, a fifth cylinder 50, a sixth cylinder 49, a fourth drag chain 54, a ninth motor 56, a second optical fiber amplifier 57, an optical fiber tube 59 and a positioning screw 55. The third slide rail 53 is installed on the fourth bracket 58, and the frame clamp platform 48 is installed under the fourth bracket 58. The ninth motor 56 is installed on the fourth bracket 58 to control the frame clamp platform 48 to move on the third slide rail 53. The frame clamp 51 is installed on the frame clamp platform 48. The sixth air cylinder 50, the fourth drag chain 54, the ninth motor 56, the second optical fiber amplifier 57, the optical fiber tube 59 and the positioning screw 55. The cylinder 49 is installed on the frame clamp platform 48 to control the opening and closing of the frame clamp 51. The fifth cylinder 50 is installed on the frame clamp platform 48 to control the movement of the frame clamp 51. The second guide column shaft 52 is installed on the frame clamp platform to guide the movement of the frame clamp platform. The positioning screw 55 is installed on the fourth bracket 58 to position the frame clamp platform 48. The fourth drag chain 54 is installed above the third slide rail 53. The second optical fiber amplifier 57 is installed on the fourth bracket 58 to amplify the detection signal. The optical fiber tube 59 is installed on the frame clamp platform 48 to detect the presence or absence of the frame 44. The role of the ninth motor 56 is to realize the movement of the frame clamp platform 48. The role of the positioning screw 55 is to position and limit the movement of the frame clamp platform 48, ensuring that the movement of the frame clamp platform 48 is within the control range. The role of the frame clamp 51 is to take and place the frame 44, and the frame transfer mechanism completes the transfer action of the frame 44.

[0043] like Fig. 9 As shown, the pressing device includes a frame preheating platform 63, a pressing platform 62, a heat sink arranging platform 61, a fourth slide rail 64, a second screw rod 65, a tenth motor 60 and an eleventh motor. The frame preheating platform 63, the pressing platform 62 and the heat sink arranging platform 61 are sequentially installed on the fourth slide rail 64, the second screw rod 65 is installed on the fourth slide rail 64, the tenth motor 60 is installed on the fourth slide rail 64 for controlling the movement of the heat sink arranging platform 61, the eleventh motor is installed on the fourth slide rail 64 for controlling the movement of the frame preheating platform 63 and the pressing platform 62, the heat sink arranging platform 61 is connected to the heat sink loading device, the frame preheating platform 63 is connected to the frame loading and unloading device, and a pressing mechanism is arranged above the pressing platform 62, and the pressing mechanism is used to press the heat sink and the frame 44.

[0044] In this embodiment, the following processes are mainly included: loading the heat sink, loading the frame, preparing the conditions before bonding the heat sink and the frame, bonding the heat sink and the frame, and unloading the bonded frame. The heat sink loading is mainly composed of the following five action mechanisms: ① loading mechanism, which completes the supply of the heat sink to the transfer mechanism; ② transfer mechanism, which completes the transfer and handover of the heat sink position; ③ transfer mechanism, which completes the transport of the heat sink position; ④ film scraping mechanism, which completes the removal of the heat sink protective film; ⑤ platform transfer mechanism, which completes the transfer of the heat sink from the heat sink arranging platform 61 to the pressing platform 62. The specific actions are: the heat sink arranging platform 61 first moves to the specified position, and then the platform suction nozzle of the platform transfer mechanism descends to absorb the heat sink and then rises. After the heat sink arranging platform 61 returns to its original position, the pressing platform 62 moves to the handover position, and the frame preheating platform 63 moves to the pressing platform 62 position at the same time. At this time, the platform suction nozzle descends to place the heat sink on the pressing platform 62. After the pressing platform 62 descends to clamp the frame on the frame preheating platform 63, the frame preheating platform 63 returns to its original position and the pressing platform 62 descends to press the heat sink and the frame.

[0045] The frame loading is mainly composed of the following four action mechanisms: ① loading and unloading mechanism, which completes the frame supply preparation; ② pushing rod mechanism, which completes the transfer of the frame from the material box 30 to the transfer platform mechanism; ③ transfer platform mechanism, which transfers to the frame preheating platform 63 for preparation; ④ frame transfer mechanism, which completes the transfer of the frame 44 from the transfer platform mechanism to the frame preheating platform 63.

[0046] The conditions for pressing the heat sink and the frame are prepared before pressing, mainly completing the preheating of the heat sink on the pressing platform 62 and the preheating of the frame on the frame preheating platform 63.

[0047] The heat sink and the frame are pressed and bonded, and the frame and the heat sink are pressed and bonded by a pressing mechanism.

[0048] Cut the glued frame into pieces to complete the cutting of the frame.

[0049] Embodiment 2: A method for attaching a heat sink.

[0050] A heat sink attaching method uses the heat sink attaching device as described in Example 1, and the specific steps are as follows: a frame loading and unloading device transfers the frame to a crimping device for preheating, a heat sink loading device transfers the heat sink to the crimping device for preheating, the crimping device presses the preheated heat sink and frame together, and the frame loading and unloading device unloads the crimped frame.

[0051] The above description is only a preferred embodiment of the present invention, but the present invention should not be limited to the contents disclosed in the embodiment and the drawings, so any equivalent or modification completed without departing from the spirit disclosed in the present invention shall fall within the scope of protection of the present invention.

Claims

1. A heat sink attachment device, characterized in that , including a heat sink feeding device, a frame loading and unloading device and a pressing device, the heat sink feeding device is connected to the pressing device, the pressing device is connected to the frame loading and unloading device, the heat sink feeding device includes a feeding mechanism, a transfer mechanism, a loading and unloading mechanism, a film scraping mechanism and a platform loading and unloading mechanism, the feeding mechanism is used for feeding the heat sink, the transfer mechanism is used for transferring the heat sink after the feeding mechanism is fed to the loading and unloading mechanism, the loading and unloading mechanism is used for transporting the heat sink to the film scraping mechanism, the film scraping mechanism is used for scraping the heat sink and transferring the heat sink after scraping to the platform loading and unloading mechanism for arrangement, and the platform loading and unloading mechanism is used for transferring the heat sink to the pressing device to complete the pressing with the frame; The frame loading and unloading device comprises a loading and unloading mechanism, a push rod mechanism, a transfer platform mechanism and a frame transfer mechanism. The loading and unloading mechanism is used to complete the loading of the frame to the push rod mechanism and to complete the unloading of the frame from the push rod mechanism. The push rod mechanism is used to transfer the frame to the transfer platform mechanism. The transfer platform mechanism is used to arrange the frame. The frame transfer mechanism is used to transfer the frame to the pressing device to complete the pressing with the heat sink. The pressing device includes a frame preheating platform, a pressing platform, a heat sink arranging platform, a fourth slide rail, a second screw rod, a tenth motor and an eleventh motor. The frame preheating platform, the pressing platform and the heat sink arranging platform are sequentially mounted on the fourth slide rail, the second screw rod is mounted on the fourth slide rail, the tenth motor is mounted on the fourth slide rail for controlling the movement of the heat sink arranging platform, the eleventh motor is mounted on the fourth slide rail for controlling the movement of the frame preheating platform and the pressing platform, the heat sink arranging platform is connected to the heat sink feeding device, and the frame preheating platform is connected to the frame loading and unloading device; The platform transfer mechanism is arranged above the heat sink arranging platform, and the platform transfer mechanism is used to transfer the heat sink from the heat sink arranging platform to the pressing platform. A pressing mechanism is arranged above the pressing platform, and the pressing mechanism is used to press the heat sink and the frame.

2. The heat sink attaching device according to claim 1, characterized in that: The feeding mechanism includes a heat sink box, a heat sink top rod, a first screw rod, a first slider, a first cylinder, a first sensor, a second sensor, a first motor and a belt, the belt connects the first motor and the first screw rod, the first slider is installed on the first screw rod, the heat sink box is installed with a heat sink, the heat sink top rod is arranged under the heat sink box to push the heat sink to move, the first cylinder is arranged at the rear side of the heat sink box to locate the position of the heat sink, the first sensor is installed on the side of the heat sink box to sense the position of the heat sink, and the second sensor is installed on the side of the first screw rod to sense the moving position of the first screw rod.

3. The heat sink attaching device according to claim 1, characterized in that: The transfer mechanism includes a second motor, a first vacuum suction nozzle, a third motor, a first vacuum solenoid valve, a second slider and a first drag chain. The first vacuum suction nozzle is connected to the second motor through an air pipe. A movable plate is arranged under the second motor, and the movable plate is connected to the second slider. The third motor controls the movement of the movable plate. The first drag chain is arranged under the second slider for guiding the air pipe and the motor control line. The first vacuum solenoid valve is connected to the first vacuum suction nozzle for controlling the suction force of the first vacuum suction nozzle.

4. The heat sink attaching device according to claim 1, characterized in that: The transfer mechanism includes a first bracket, a second vacuum nozzle, a second cylinder, a second drag chain, a fourth motor, a first guide column bearing, a dust box and a first slide rail. The first bracket is installed on the first slide rail through the first guide column bearing. The fourth motor is used to control the movement of the first bracket. The dust box is installed on the first bracket. The second vacuum nozzle is installed on the dust box. The second cylinder is arranged under the first bracket to control the lifting and lowering of the first bracket. The second drag chain is arranged on both sides of the first slide rail to guide the air pipe and the motor control line.

5. The heat sink attaching device according to claim 1, characterized in that: The film scraping mechanism includes a second bracket, a fifth motor, a third cylinder, a film scraping frame, a tape reel and a tape receiving reel. The tape reel is installed on the second bracket, the tape receiving reel is arranged below the tape reel, the film scraping frame is installed below the tape receiving reel for installing the film scraping tie, the fifth motor is connected to the tape reel for controlling the rotation of the tape reel, and the third cylinder is connected to the film scraping frame for controlling the movement of the film scraping frame.

6. The heat sink attaching device according to claim 1, characterized in that: The loading and unloading mechanism includes a clamp arm, a material box, a linear slide rail, a third bracket, a sixth motor and a fourth cylinder. The linear slide rail is installed on the third bracket, the clamp arm is installed on the linear slide rail for clamping the material box, the fourth cylinder is installed on the clamp arm for controlling the opening and closing of the clamp arm, and the sixth motor is installed on the linear slide rail for controlling the movement of the clamp arm.

7. The heat sink attaching device according to claim 1, characterized in that: The push rod mechanism includes a seventh motor, a slider guide, a push rod, a third slider, a third sensor and a shock-absorbing spring. The push rod is installed on the slider guide through the third slider. The seventh motor is installed on the slider guide to control the movement of the push rod. The third sensor is installed under the slider guide to sense the thrust of the push rod. The shock-absorbing spring is installed on the third slider to cooperate with the third sensor to detect the thrust.

8. The heat sink attaching device according to claim 1, wherein: The transfer platform mechanism includes a second slide rail, a frame moving platform, an eighth motor, a frame, a third drag chain and a first optical fiber amplifier. The frame moving platform is installed on the second slide rail for transferring the frame, the eighth motor is installed on the frame moving platform for controlling the movement of the frame moving platform, the third drag chain is installed on the second slide rail, and the first optical fiber amplifier is installed on the third drag chain for detecting the position of the frame on the frame moving platform.

9. The heat sink attaching device according to claim 1, wherein: The frame transfer mechanism includes a fourth bracket, a third slide rail, a second guide column bearing, a frame clamp, a frame clamp platform, a fifth cylinder, a sixth cylinder, a fourth drag chain, a ninth motor, a second optical fiber amplifier, an optical fiber tube and a positioning screw. The third slide rail is installed on the fourth bracket, the frame clamp platform is installed below the fourth bracket, the ninth motor is installed on the fourth bracket to control the movement of the frame clamp platform on the third slide rail, the frame clamp is installed on the frame clamp platform, the sixth cylinder is installed on the frame clamp platform to control the opening and closing of the frame clamp, the fifth cylinder is installed on the frame clamp platform to control the movement of the frame clamp, the second guide column bearing is installed on the frame clamp platform to guide the movement of the frame clamp platform, the positioning screw is installed on the fourth bracket to position the frame clamp platform, the fourth drag chain is installed above the third slide rail, the second optical fiber amplifier is installed on the fourth bracket for detection signal amplification, and the optical fiber tube is installed on the frame clamp platform to detect the presence or absence of the frame.

10. A heat sink attachment method, characterized in that: Using the heat sink attaching device as described in any one of claims 1 to 9, the specific steps are as follows: the frame loading and unloading device transfers the frame to the pressing device for preheating, the heat sink loading device transfers the heat sink to the pressing device for preheating, the pressing device presses the preheated heat sink and the frame, and the frame loading and unloading device unloads the pressed frame.

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