Fin arranging apparatus and arranging method thereof

Abstract

The present application relates to the technical field of fin packaging, and particularly relates to a fin tray arranging device and a tray arranging method thereof, which device comprises a control host electrically connected and controlling a material tray arranging mechanism, a material taking and placing mechanism, a material moving mechanism and a material banding mechanism; the material tray arranging mechanism is provided with a plurality of work stations for sequentially identifying and adjusting out fins with correct surface and direction; the material moving mechanism is used for controlling the material taking and placing mechanism to move to a specified position, the material taking and placing mechanism drives a plurality of vacuum nozzles to alternately switch between the plurality of work stations, and sucks and lowers the fins placed in each work station to the next work station; and the material banding mechanism is used for sequentially loading the fins with correct surface and direction into a carrier tape for banding. The present application can identify and adjust out the fins with correct surface and direction for automatic tray arranging, and correctly place them into the carrier tape.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fin packaging, in particular to a fin tray arranging device and a fin tray arranging method. BACKGROUND

[0002] It is well known that in the production of power modules, the fins contained in the eutectic solder process need to be placed in the carrier board for production. At present, the fin faces and directions are generally screened by a vibrating disc, and then the product is conveyed to the vacuum nozzle fin taking position, and then placed in the carrier tape for production by the vacuum nozzle.

[0003] However, since the fins used on the power module are rectangular prisms, the size is small and the flatness of the front and back faces only has a small difference, it is difficult to screen the fin faces and directions by the vibrating disc, even if the fin faces and directions are identified by the visual recognition device, due to the small size of the fin, the vacuum nozzle is difficult to suck and adjust to the center of the fin, and the fin is correctly placed in the carrier tape, so a fin tray arranging device and a better tray arranging method are needed. SUMMARY

[0004] One purpose of the present application is to provide a fin tray arranging device that can identify and adjust the fin faces and directions of small and featureless fins for automatic tray arranging and correct placement in the carrier tape.

[0005] Another purpose of the present application is to provide a tray arranging method applied to the above-mentioned fin tray arranging device.

[0006] To achieve this purpose, the present application adopts the following technical solutions:

[0007] A fin tray arranging device, comprising a material tray arranging mechanism, a material taking and placing mechanism, a material moving mechanism, a material carrier tape mechanism and a control host;

[0008] The material tray arranging mechanism is provided with a plurality of stations, and the stations are respectively used for placing fins and performing corresponding adjustment and processing, and the plurality of stations are sequentially a material feeding station, a material direction adjusting station, a material center position correcting station, a material face correcting station, a material transfer station and a material loading station, a material direction visual recognition device is arranged between the material feeding station and the material direction adjusting station, and a material face visual recognition device is arranged between the material center position correcting station and the material face correcting station;

[0009] The material taking and placing mechanism is located above the material tray arranging mechanism, and the material taking and placing mechanism is provided with a plurality of vacuum nozzles;

[0010] The material moving mechanism is connected with the material taking and placing mechanism, and is used to control the material taking and placing mechanism to move to a specified position. The material taking and placing mechanism drives a plurality of vacuum nozzles to be located above a plurality of workstations respectively and to be switched among the plurality of workstations. The plurality of vacuum nozzles are used to suck the heat sinks placed in each of the workstations and to place the heat sinks on the next workstations. The material banding mechanism is used to load the heat sinks with correct surface and orientation into a carrier tape for banding.

[0011] The control host is electrically connected with and controls the material placing mechanism, the material taking and placing mechanism, the material moving mechanism and the material banding mechanism respectively.

[0012] Preferably, the material placing mechanism comprises a material placing plate, and the material placing plate is provided with the material feeding workstation, the material orientation adjusting workstation, the material center position correcting workstation, the material surface correcting workstation, the material transferring workstation and the material loading workstation at equal distances.

[0013] The recognition end of the material orientation visual recognition device is upwardly arranged, and is used to take a photo of the bottom surface features of the passing heat sink and to send the photo to the control host for analyzing the orientation of the heat sink.

[0014] The recognition end of the material surface visual recognition device is upwardly arranged, and is used to take a photo of the bottom surface features of the passing heat sink and to send the photo to the control host for analyzing the surface of the heat sink.

[0015] Preferably, the material feeding workstation is provided with a material feeding seat, the material feeding seat is provided with a material placing recess, the material placing recess is provided with a fiber sensor, the fiber sensor identifies whether the heat sink is placed in the material placing recess, and transmits an sensing signal to the control host.

[0016] The material orientation adjusting workstation is provided with a material orientation adjusting seat, the material orientation adjusting seat is built-in with a material orientation adjusting cylinder, the output end of the material orientation adjusting cylinder is vertically upward, the output end of the material orientation adjusting cylinder is drivingly connected with a material orientation adjusting plate, the center of the material orientation adjusting plate is provided with a material adjusting recess, and the material orientation adjusting cylinder rotates the material orientation adjusting plate by 90° or 0° according to the analysis result of the control host on the orientation of the heat sink.

[0017] The material center position correction station is provided with a material center position correction seat, one side of the material center position correction seat is provided with a material center position correction cylinder, the output end of the material center position correction cylinder is parallel to the placement surface of the material center position correction seat, the other side of the material center position correction seat is provided with a right-angle clamping, and the output end of the material center position correction cylinder is used to push the heat dissipation fin to abut against the right-angle clamping to correct the suction center position of the heat dissipation fin.

[0018] The material surface correction station is provided with a material surface correction seat, the upper portion of the material surface correction seat is provided with a material surface correction cylinder, the output end of the material surface correction cylinder is arranged towards the center of the material tray plate and parallel to the material tray plate, one end of a turnover rod is in transmission connection with the output end of the material surface correction cylinder, the other end of the turnover rod is provided with a material surface correction vacuum suction nozzle, and the material surface correction cylinder rotates the turnover rod by 180° to the material transfer station 15 or 0° according to the surface analysis result of the control host on the heat dissipation fin.

[0019] The material transfer station is provided with a material transfer seat, the center of the material transfer station is provided with a material transfer suction nozzle, the suction nozzle end of the material transfer suction nozzle is vertically upwards, and the material transfer suction nozzle is used to suck the heat dissipation fin conveyed by the material surface correction cylinder.

[0020] The material tray plate is provided with a station gap, the material loading station is located on the station gap, and the material loading station is used to place the material ribbon coding mechanism.

[0021] Preferably, the material taking and placing mechanism comprises a rotary cylinder, the output end of the rotary cylinder is in transmission connection with a suction nozzle switching plate, a plurality of suction nozzle cylinders are equidistantly arranged on the suction nozzle switching plate, and the output end of the suction nozzle cylinder is connected with a vacuum suction nozzle.

[0022] Preferably, the number of the suction nozzle cylinders and the vacuum suction nozzles is 6, and one vacuum suction nozzle corresponds to the upper portion of the material feeding station, the material orientation adjusting station, the material center position correction station, the material surface correction station, the material transfer station and the material loading station.

[0023] Preferably, the material ribbon coding mechanism comprises a chip mounter, the chip mounter is provided with a carrier tape, a cover tape and a chip mounting motor, the cover tape is located above the carrier tape, the upper end of the cover tape is further provided with a hot-pressing assembly, and the hot-pressing assembly is installed with a heating device.

[0024] Preferably, the output end of the chip mounting motor is connected with a gear, and the carrier tape is provided with a positioning hole and a heat dissipation fin hole in the length direction.

[0025] Preferably, the material moving mechanism comprises a lifting motor, the lifting motor is a servo motor, a lifting screw rod is connected to the output end of the lifting motor, a lifting sliding block is connected to the lifting screw rod, a lifting support plate is fixed to one side of the lifting sliding block, the material taking and placing mechanism is located on the lifting support plate, and a lifting guide rail is connected to the other side of the lifting sliding block.

[0026] Preferably, the material tray placing mechanism further comprises a CCD lens, the lens end of the CCD lens is vertically downward, and the CCD lens is arranged on the side of the lifting support plate.

[0027] A tray placing method using the fin tray placing device described above, comprising the following steps:

[0028] S1, a single fin is placed in the material placing concave position of the material station, and after the optical fiber sensor identifies that the fin is placed in the material placing concave position, the vacuum suction nozzle of the material taking and placing mechanism moves the fin to the material adjusting concave position of the material orientation adjusting station;

[0029] S2, during the movement in step S1, the material orientation visual recognition device takes a photo of the bottom surface features of the passing fin, and sends the photo to the control host for analyzing the orientation of the fin;

[0030] S3, according to the orientation analysis result of the fin by the control host, the material orientation adjusting plate of the material orientation adjusting station is rotated by 90° or 0°, then the vacuum suction nozzle of the material taking and placing mechanism moves the fin on the material orientation adjusting station to the placement surface of the material center position correcting station;

[0031] S4, the output end of the material center position correcting cylinder of the material center position correcting station is extended to push the fin to abut against the right-angle clamping position, so as to correct the suction center position of the fin, then the vacuum suction nozzle of the material taking and placing mechanism moves the fin on the material center position correcting station to the material surface type correcting vacuum suction nozzle of the material surface type correcting station;

[0032] S5, during the movement in step S4, the material surface type visual recognition device takes a photo of the bottom surface features of the passing fin, and sends the photo to the control host for analyzing the surface type of the fin;

[0033] S6, according to the surface type analysis result of the fin by the control host, the material surface type correcting cylinder rotates the turnover rod by 180° to the material transfer station or 0°;

[0034] S61, if the material face correction cylinder rotates the turnover lever 180°, the material transfer suction nozzle of the material transfer station sucks the heat sink conveyed by the material face correction cylinder, and the vacuum suction nozzle of the material taking and placing mechanism is moved to the material transfer station;

[0035] S62, if the material face correction cylinder rotates the turnover lever 0°, the vacuum suction nozzle of the material taking and placing mechanism sucks the material transfer suction nozzle moved to the material transfer station;

[0036] S7, the vacuum suction nozzle of the material taking and placing mechanism sucks the heat sink on the material transfer suction nozzle and moves to the material taping station for taping by the material taping mechanism.

[0037] One of the above technical solutions has the following beneficial effects:

[0038] (1) Through the cooperation between each station and structure, under the coordination of the control host, each station on the material tray placing mechanism can quickly and stably identify and adjust the heat sink with qualified face and orientation, which is high in efficiency. Meanwhile, the material taking and placing mechanism and the material moving mechanism are used to complete the transfer of the heat sink between stations, and finally the material taping mechanism is used to load the heat sink with qualified face and orientation into the tape for taping.

[0039] (2) The heat sink with small size and inconspicuous features can be automatically identified and adjusted to have qualified face and orientation for automatic tray placing, and the entire tray placing operation is correctly placed in the taping, which greatly reduces the labor intensity, saves the production time and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 is a structural schematic view of a heat sink tray placing device of the present application;

[0041] Figure 2 is a structural schematic view of a material tray placing mechanism of a heat sink tray placing device of the present application;

[0042] Figure 3 is a front view of Figure 2 ;

[0043] Figure 4 is a structural schematic view of a material taping mechanism of a heat sink tray placing device of the present application;

[0044] Figure 5 is a partial enlarged view of Figure 4 ;

[0045] In the attached diagram: 1. Material tray mechanism; 10. Material tray plate; 11. Material feeding station; 111. Material feeding seat; 112. Material placement recess; 12. Material orientation adjustment station; 121. Material orientation adjustment seat; 122. Material orientation adjustment cylinder; 123. Material orientation adjustment plate; 124. Material adjustment recess; 13. Material center position correction station; 131. Material center position correction seat; 132. Material center position correction cylinder; 133. Right angle clamp; 14. Material surface correction station; 141. Material surface correction seat; 142. Material surface correction cylinder; 143. Tilting rod; 144. Material surface correction vacuum nozzle; 15. Material transfer station; 151. Material transfer seat; 152. Material transfer nozzle; 16. Material loading station; 17. Material orientation visual recognition device; 18. Material surface visual recognition device.

[0046] Material handling mechanism 2, vacuum nozzle 21, rotary cylinder 22, nozzle switching plate 23, nozzle cylinder 24, CCD lens 25;

[0047] Material moving mechanism 3, lifting motor 31, lifting screw 32, lifting slider 33, lifting pallet 34, lifting guide rail 35;

[0048] Material taping mechanism 4, carrier tape 41, cover tape 42, patch motor 43, gear 431, positioning hole 432, heat sink hole 433, hot pressing assembly 44. Detailed Implementation

[0049] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0050] like Figures 1-5 As shown, a heat sink tray placement device includes a material tray placement mechanism 1, a material picking and placing mechanism 2, a material moving mechanism 3, a material tape feeding mechanism 4, and a control host.

[0051] The material tray mechanism 1 has multiple workstations, each used to place the heat sink 100 and perform corresponding adjustments and processing. The multiple workstations are, in sequence, a material feeding workstation 11, a material orientation adjustment workstation 12, a material center position correction workstation 13, a material surface correction workstation 14, a material transfer workstation 15, and a material loading workstation 16. A material orientation visual recognition device 17 is provided between the material feeding workstation 11 and the material orientation adjustment workstation 12, and a material surface visual recognition device 18 is provided between the material center position correction workstation 13 and the material surface correction workstation 14.

[0052] The material handling mechanism 2 is located above the material tray mechanism 1, and the material handling mechanism 2 is provided with multiple vacuum nozzles 21;

[0053] The material moving mechanism 3 is connected with the material taking and placing mechanism 2, the material moving mechanism 3 is used for controlling the material taking and placing mechanism 2 to move to a specified position, the material taking and placing mechanism 2 drives a plurality of the vacuum nozzles 21 to be located above a plurality of the workstations respectively and to be switched among the plurality of the workstations, the plurality of the vacuum nozzles 21 are used for sucking the heat dissipation fins 100 placed in each of the workstations and placing the heat dissipation fins 100 on the next workstation; the material banding mechanism 4 is used for loading the heat dissipation fins 100 with qualified surface and orientation into the carrier tape 41 in sequence for banding.

[0054] The control host is electrically connected with and controls the material tray arranging mechanism 1, the material taking and placing mechanism 2, the material moving mechanism 3 and the material banding mechanism 4 respectively.

[0055] The material tray arranging mechanism 1 can quickly and stably identify and adjust the heat dissipation fins 100 with qualified surface and orientation in each of the workstations under the coordination of the control host, the efficiency is high, meanwhile, the material taking and placing mechanism 2 and the material moving mechanism 3 are used for completing the transmission work of the heat dissipation fins 100 among the workstations, finally, the material banding mechanism 4 is used for loading the heat dissipation fins 100 with qualified surface and orientation into the carrier tape 41 in sequence for banding.

[0056] The whole tray arranging operation of automatically identifying and adjusting the heat dissipation fins 100 with qualified surface and orientation and automatically arranging the heat dissipation fins 100 into the carrier tape without manual intervention can greatly reduce the labor intensity, save the production time and improve the production efficiency.

[0057] Further, the material tray arranging mechanism 1 comprises a material tray arranging plate 10, the material tray arranging plate 10 is provided with the material feeding workstation 11, the material orientation adjusting workstation 12, the material center position correcting workstation 13, the material surface correcting workstation 14, the material transfer workstation 15 and the material loading workstation 16 at equal distances;

[0058] The identification end of the material orientation visual identification device 17 is upwardly arranged, is used for taking a photo of the bottom surface features of the passing heat dissipation fin 100 and sending the photo to the control host for analyzing the orientation of the heat dissipation fin 100.

[0059] The identification end of the material surface visual identification device 18 is upwardly arranged, is used for taking a photo of the bottom surface features of the passing heat dissipation fin 100 and sending the photo to the control host for analyzing the surface of the heat dissipation fin 100.

[0060] Further, the material feeding station 11 is provided with a material feeding seat 111, the material feeding seat 111 is provided with a material placing recess 112, the material placing recess 112 is provided with a fiber sensor, the fiber sensor identifies whether the material placing recess 112 is placed with the heat sink 100, and transmits an induction signal to the control host;

[0061] The material orientation adjusting station 12 is provided with a material orientation adjusting seat 121, the material orientation adjusting seat 121 is internally provided with a material orientation adjusting cylinder 122, the output end of the material orientation adjusting cylinder 122 is vertically upward, the output end of the material orientation adjusting cylinder 122 is drivingly connected with a material orientation adjusting plate 123, the central part of the material orientation adjusting plate 123 is provided with a material adjusting recess 124, the material orientation adjusting cylinder 122 rotates the material orientation adjusting plate 123 by 90° or 0° according to the orientation analysis result of the control host on the heat sink;

[0062] The material center position correcting station 13 is provided with a material center position correcting seat 131, one side of the material center position correcting seat 131 is provided with a material center position correcting cylinder 132, the output end of the material center position correcting cylinder 132 is parallel to the placing surface of the material center position correcting seat 131, the other side of the material center position correcting seat 131 is provided with a right-angle detent 133, the output end of the material center position correcting cylinder 132 is used to push the heat sink 100 to abut against the right-angle detent 133, so as to correct the suction center position of the heat sink 100;

[0063] The material surface correcting station 14 is provided with a material surface correcting seat 141, the upper part of the material surface correcting seat 141 is provided with a material surface correcting cylinder 142, the output end of the material surface correcting cylinder 142 is towards the center of the material tray plate 10 and is parallel to the material tray plate 10, one end of a turnover rod 143 is drivingly connected with the output end of the material surface correcting cylinder 142, the other end of the turnover rod 143 is provided with a material surface correcting vacuum suction nozzle 144, the material surface correcting cylinder 142 rotates the turnover rod 143 by 180° to the material transfer station 15 or 0° according to the surface analysis result of the control host on the heat sink;

[0064] The material transfer station 15 is provided with a material transfer seat 151, the center of the material transfer station 15 is provided with a material transfer suction nozzle 152, the suction nozzle end of the material transfer suction nozzle 152 is vertically upward, the material transfer suction nozzle 152 is used to suck the heat sink 100 transmitted by the material surface correcting cylinder 142;

[0065] The material placing plate 10 is provided with a working position gap, and the material loading working position 16 is located on the working position gap, and the material loading working position 16 is used for placing the material braid mechanism 4.

[0066] It should be noted that the material orientation visual recognition device 17 and the material surface visual recognition device 18 are both CCD cameras, which can quickly respond and perform detection by taking pictures according to the corresponding detection command sent by the control host, and output the detection result signal.

[0067] Currently, the material needs to be screened in direction and surface by the vibration disc for multiple times, and then the vacuum suction nozzle 21 is used for suction, but the center position of the material cannot be adjusted for suction, so the vacuum suction nozzle 21 may miss suction or fall during the suction process, resulting in low production quality and production efficiency.

[0068] The present application can coordinate the cooperation of each mechanism at each working position under the control of the control mechanism, wherein each working position sequentially performs the operations of placing a single material, recognizing the orientation, adjusting the orientation, correcting the suction center position, recognizing the surface, and surface correction, and automatically recognizes and adjusts the surface and the orientation of the qualified heat sink 100, and finally the center position of the material is sucked by the vacuum suction nozzle 21 of the material taking and placing mechanism 2, and loaded into the carrier tape 41 for braid, greatly improving the production quality and production efficiency.

[0069] Further, the material taking and placing mechanism 2 includes a rotary air cylinder 22, the output end of the rotary air cylinder 22 is drivingly connected with a suction nozzle switching plate 23, a plurality of suction nozzle air cylinders 24 are equidistantly arranged on the suction nozzle switching plate 23, and the output end of the suction nozzle air cylinder 24 is connected with a vacuum suction nozzle 21.

[0070] According to some embodiments of the present application, a plurality of equidistantly spaced vacuum suction nozzles 21 are respectively connected with a negative pressure pipe (not shown in the present application), the vacuum suction nozzle 21 is connected with a negative pressure gas source through the negative pressure pipe, and the vacuum suction nozzle 21 is suitable for adsorbing or releasing the heat sink 100.

[0071] When the negative pressure gas flow passes through the negative pressure pipe, the lower end of the plurality of vacuum suction nozzles 21 can adsorb the heat sink 100, the number of heat sinks 100 sucked each time is increased, the rotary air cylinder 22 is controlled to work, so that the output end of the rotary air cylinder 22 drives the suction nozzle switching plate 23 to rotate, the plurality of vacuum suction nozzles 21 are switched and transferred between the material feeding working position 11, the material orientation adjusting working position 12, the material center position correcting working position 13, the material surface correcting working position 14, the material transfer working position 15 and the material loading working position 16, and the heat sink 100 is transferred to the next working position, then the negative pressure gas flow in the negative pressure pipe is cut off to release the material, and then returns to the rotary starting position, and the above process is repeated.

[0072] Further, the number of the suction nozzle cylinder 24 and the vacuum suction nozzle 21 is 6, and one of the vacuum suction nozzles 21 is arranged above the material feeding station 11, the material orientation adjusting station 12, the material center position correcting station 13, the material surface type correcting station 14, the material transfer station 15 and the material loading station 16 respectively.

[0073] According to experience, the number of the suction nozzle cylinder 24 and the vacuum suction nozzle 21 is 6, which can be arranged equidistantly and cooperated with the material feeding station 11, the material orientation adjusting station 12, the material center position correcting station 13, the material surface type correcting station 14, the material transfer station 15 and the material loading station 16, so that the structure is compact and the coordinated operation of the above-mentioned mechanisms is facilitated.

[0074] Further, the material taping mechanism 4 comprises a chip mounter, the chip mounter is provided with a carrier tape 41, a cover tape 42 and a chip mounter motor 43, the cover tape 42 is located above the carrier tape 41, and a hot pressing assembly 44 is further arranged at the upper end of the cover tape 42, and a heating device is installed on the hot pressing assembly 44.

[0075] Specifically, the chip mounter is a servo motor, the chip mounter motor 43 is used to drive the carrier tape 41 to move forward, and the hot pressing assembly 44 presses the cover tape 42 on the carrier tape 41 which is provided with the heat dissipation fins 100 with correct surface type and orientation according to the movement of the carrier tape 41.

[0076] Further, the chip mounter motor 43 is connected with a gear 431, and the carrier tape 41 is provided with a positioning hole 432 and a heat dissipation fin hole 433 along the length direction.

[0077] Specifically, when the gear 431 rotates once, the tooth top part on the gear 431 cooperates with the positioning hole 432 to drive the carrier tape 41 to move one heat dissipation fin hole 433, so that the consistency of the gear 431 rotation and the carrier tape 41 movement is realized, seamless hot pressing is realized, and the stability of the hot pressing of the material taping mechanism 4 is ensured.

[0078] Further, the material moving mechanism 3 comprises a lifting motor 31, the lifting motor 31 is a servo motor, the lifting motor 31 is connected with a lifting lead screw 32 at the output end, the lifting lead screw 32 is connected with a lifting sliding block 33, one side of the lifting sliding block 33 is fixed with a lifting supporting plate 34, the material taking and placing mechanism 2 is located on the lifting supporting plate 34, and the other side of the lifting sliding block 33 is connected with a lifting guide rail 35.

[0079] Specifically, by controlling the host end, the lifting height of the lifting motor 31 is controlled according to the size of the heat dissipation fin 100, and the production state is adjusted to the best state, so as to improve the production quality and production efficiency.

[0080] Further, the material tray placing mechanism 1 further comprises a CCD lens 25, the lens end of the CCD lens 25 is vertically downward, and the CCD lens is arranged on the side of the lifting plate 34.

[0081] Specifically, the staff can monitor the tray placing process through the CCD lens 25 on the control host end, so that the staff can understand the monitoring situation and production trend in the monitoring area in time without going to the scene.

[0082] A tray placing method using the heat dissipation fin tray placing device as described above, comprising the following steps:

[0083] S1, the material placing concave position 112 of the material station 11 is placed with a single heat dissipation fin, when the optical fiber sensor identifies that the material placing concave position 112 is placed with a heat dissipation fin 100, the vacuum suction nozzle of the material taking and placing mechanism moves to the material adjusting concave position 124 of the material orientation adjusting station 12 after suction;

[0084] S2, during the moving process in step S1, the material orientation visual recognition device 17 takes a photo of the bottom surface features of the passing heat dissipation fin 100, and sends the photo to the control host for analyzing the orientation of the heat dissipation fin 100;

[0085] S3, the material orientation adjusting station 12 rotates the material orientation adjusting plate 123 by 90° or 0° according to the orientation analysis result of the control host on the heat dissipation fin 100, and then the vacuum suction nozzle 21 of the material taking and placing mechanism 2 sucks the heat dissipation fin 100 on the material orientation adjusting station 12 and moves to the placing surface of the material center position correcting station 13;

[0086] S4, the output end of the material center position correcting cylinder 132 of the material center position correcting station 13 is extended to push the heat dissipation fin 100 to abut against the right-angle clamping position 133, so as to correct the suction center position of the heat dissipation fin 100, and then the vacuum suction nozzle 21 of the material taking and placing mechanism 2 sucks the heat dissipation fin on the material center position correcting station 13 and moves to the material surface type correcting vacuum suction nozzle 144 of the material surface type correcting station 14;

[0087] S5, during the moving process in step S4, the material surface type visual recognition device 18 takes a photo of the bottom surface features of the passing heat dissipation fin 100, and sends the photo to the control host for analyzing the surface type of the heat dissipation fin 100;

[0088] S6, the material face correction cylinder 142 rotates the turnover rod 143 180° to the material transfer station 15 or 0° according to the control host's analysis result of the fin 100;

[0089] S61, if the material face correction cylinder 142 rotates the turnover rod 143 180°, the material transfer suction nozzle 152 of the material transfer station 15 sucks the fin 100 delivered by the material face correction cylinder 142, and the vacuum suction nozzle 21 of the material taking and placing mechanism 2 is sucked and moved to the material transfer station 15;

[0090] S62, if the material face correction cylinder 142 rotates the turnover rod 143 0°, the vacuum suction nozzle of the material taking and placing mechanism sucks the material transfer suction nozzle 152 moved to the material transfer station 15;

[0091] S7, the vacuum suction nozzle 21 of the material taking and placing mechanism 2 sucks the fin 100 on the material transfer suction nozzle 152 and moves to the material taping mechanism 4 on the material loading station 16 for taping.

[0092] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the scope of protection of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative labor, and these equivalent variations or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A heat sink placement device, characterized in that, It includes a material tray placement mechanism, a material picking and placing mechanism, a material moving mechanism, a material taping and conveying mechanism, and a control host; The material tray mechanism has multiple workstations, which are used to place heat sinks and make corresponding adjustments and processes. The multiple workstations are, in sequence, a material feeding workstation, a material orientation adjustment workstation, a material center position correction workstation, a material surface correction workstation, a material transfer workstation, and a material loading workstation. A material orientation visual recognition device is provided between the material feeding workstation and the material orientation adjustment workstation, and a material surface visual recognition device is provided between the material center position correction workstation and the material surface correction workstation. The material handling mechanism is located above the material tray mechanism, and the material handling mechanism is equipped with multiple vacuum nozzles; The material moving mechanism is connected to the material picking and placing mechanism. The material moving mechanism controls the material picking and placing mechanism to move to a designated position. The material picking and placing mechanism drives multiple vacuum nozzles to be positioned directly above multiple workstations and to switch between multiple workstations in turn. The multiple vacuum nozzles are used to pick up the heat sinks placed at each workstation and place them on the next workstation. The material tape-and-reel mechanism is used to load heat sinks with qualified face and orientation into the carrier tape for tape-and-reeling. The control host is electrically connected to and controls the material tray mechanism, the material picking and placing mechanism, the material moving mechanism and the material tape-and-reel mechanism respectively; The material tray mechanism includes a material tray plate, on which are provided at equal intervals the material feeding station, the material orientation adjustment station, the material center position correction station, the material surface correction station, the material transfer station and the material loading station; The material orientation visual recognition device has its recognition end facing upwards, and is used to take pictures of the bottom surface features of the heat sink as it passes by, and send the pictures to the control host for analysis of the orientation of the heat sink; The material surface visual recognition device has its recognition end facing upwards, and is used to take pictures of the bottom surface features of the passing heat sink, and send the pictures to the control host for analysis of the surface of the heat sink; The material center position correction station is equipped with a material center position correction seat. A material center position correction cylinder is provided on one side of the material center position correction seat. The output end of the material center position correction cylinder is parallel to the placement surface of the material center position correction seat. A right-angle locking position is provided on the other side of the material center position correction seat. The output end of the material center position correction cylinder extends out to push the heat sink to abut against the right-angle locking position in order to correct the absorption center position of the heat sink. The material surface correction station is equipped with a material surface correction seat, and a material surface correction cylinder is provided above the material surface correction seat. The output end of the material surface correction cylinder faces the center of the material tray plate and is arranged parallel to the material tray plate. One end of the flipping rod is connected to the output end of the material surface correction cylinder, and the other end of the flipping rod is equipped with a material surface correction vacuum nozzle.

2. The heat sink slab arrangement device according to claim 1, characterized in that, The material feeding station is equipped with a material feeding seat, which has a material placement recess. The material placement recess is equipped with a fiber optic sensor, which identifies whether a heat sink is placed in the material placement recess and transmits a sensing signal to the control host. The material orientation adjustment station is equipped with a material orientation adjustment seat, which contains a material orientation adjustment cylinder. The output end of the material orientation adjustment cylinder faces vertically upward, and the output end of the material orientation adjustment cylinder is connected to a material orientation adjustment plate. The center of the material orientation adjustment plate is provided with a material adjustment recess. The material orientation adjustment cylinder rotates the material orientation adjustment plate by 90° or 0° according to the orientation analysis result of the heat sink by the control host. The material transfer station is equipped with a material transfer seat, and a material transfer suction nozzle is located at the center of the material transfer station. The suction nozzle end of the material transfer suction nozzle is vertically upward, and the material transfer suction nozzle is used to pick up the heat sink conveyed by the material surface correction cylinder. The material tray has a work station notch, and the material loading station is located on the work station notch. The material loading station is used to place the material tape-and-reel mechanism.

3. The heat sink tray arrangement device according to claim 1, characterized in that, The material handling mechanism includes a rotary cylinder, the output end of which is connected to a nozzle switching plate. Multiple nozzle cylinders are evenly spaced on the nozzle switching plate, and the output end of each nozzle cylinder is connected to a vacuum nozzle.

4. The heat sink slab arrangement device according to claim 3, characterized in that, The number of suction cylinders and vacuum suction nozzles are both 6. Each of the following locations corresponds to a vacuum suction nozzle directly above the material feeding station, material orientation adjustment station, material center position correction station, material surface correction station, material transfer station, and material loading station.

5. The heat sink slab arrangement device according to claim 1, characterized in that, The material taping mechanism includes a pick-and-place machine, which is equipped with a carrier tape, a cover tape, and a pick-and-place motor. The cover tape is located above the carrier tape, and a hot-pressing assembly is also provided at the upper end of the cover tape. A heating device is installed on the hot-pressing assembly.

6. The heat sink slab arrangement device according to claim 5, characterized in that, The output end of the patch motor is connected to a gear, and the carrier tape is provided with positioning holes and heat sink holes along its length.

7. The heat sink slab arrangement device according to claim 1, characterized in that, The material moving mechanism includes a lifting motor, which is a servo motor. The output end of the lifting motor is connected to a lifting screw, and a lifting slider is connected to the lifting screw. A lifting pallet is fixed on one side of the lifting slider. The material picking and placing mechanism is located on the lifting pallet, and a lifting guide rail is connected to the other side of the lifting slider.

8. The heat sink slab arrangement device according to claim 7, characterized in that, The material tray mechanism also includes a CCD lens, with the lens end of the CCD lens facing vertically downwards, and the CCD lens is located on the side of the lifting tray.

9. A plating method, characterized in that, The application of a heat sink placement device as described in any one of claims 1-8 includes the following steps: S1. A single heat sink is placed in the material placement recess. When the fiber optic sensor recognizes that a heat sink is placed in the material placement recess, the vacuum nozzle of the material picking and placing mechanism picks it up and moves it to the material adjustment recess where the material is facing the adjustment position. S2. During the movement process in step S1, the material orientation visual recognition device takes pictures of the bottom surface features of the heat sink as it passes by, and sends the pictures to the control host for analysis of the orientation of the heat sink. S3. After the material orientation adjustment station rotates the material orientation adjustment plate by 90° or 0° according to the orientation analysis result of the heat sink by the control host, the vacuum nozzle of the material picking and placing mechanism picks up the heat sink on the material orientation adjustment station and moves it to the placement surface of the material center position correction station. S4. The output end of the material center position correction cylinder of the material center position correction station extends and pushes the heat sink to abut against the right angle clamp to correct the suction center position of the heat sink. Then, the vacuum nozzle of the material pick-up and place mechanism picks up the heat sink on the material center position correction station and moves it to the material surface correction vacuum nozzle of the material surface correction station. S5. During the movement process in step S4, the material surface visual recognition device takes pictures of the bottom surface features of the heat sink as it passes by, and sends the pictures to the control host for analysis of the surface of the heat sink. S6. The material surface correction cylinder rotates the flipping rod 180° to the material transfer station or 0° according to the surface analysis result of the heat sink by the control host. S61. If the material surface correction cylinder rotates the flipping rod 180°, the material transfer nozzle of the material transfer station picks up the heat sink conveyed by the material surface correction cylinder, and the vacuum nozzle of the material pick-up and place mechanism moves to the material transfer station in an empty suction. S62. If the material surface correction cylinder rotates the flipping rod by 0°, the vacuum nozzle of the material picking and placing mechanism picks up the material transfer nozzle moved to the material transfer station. S7. The vacuum nozzle of the material handling mechanism picks up the heat sink on the material transfer nozzle and moves it to the material taping mechanism at the material loading station for taping.

Images