Drying mechanism and chip plastic package curing device

Abstract

The invention discloses a drying mechanism and a chip plastic package curing device.The chip plastic package curing device comprises a workbench, a moving mechanism is installed on the workbench, a moving frame is in threaded connection to the moving mechanism, a rotating rod is fixedly connected to the moving frame, one end of the rotating rod is rotationally connected with a plastic package disc, and the other end of the rotating rod is fixedly connected with the plastic package disc. A self-locking mechanism is arranged between the rotating rod and the plastic sealing disc, a closing mechanism is arranged in the plastic sealing disc, a second rack is fixedly connected to the working table, the second rack is movably meshed with the closing mechanism, a material receiving disc is installed on the working table, a driving mechanism is installed on the working table, and the driving mechanism is movably meshed with the moving mechanism, so that the plastic sealing efficiency of the equipment is further improved; and the safety of plastic packaging is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of chip plastic packaging, in particular to a drying mechanism and a chip plastic packaging curing device. Background Art

[0002] The housing used to install semiconductor integrated circuit chips plays the role of placing, fixing, sealing, protecting the chips and enhancing their electrical and thermal performance. It also serves as a bridge between the internal world of the chip and the external circuit. The contacts on the chip are connected to the pins of the package housing with wires, and these pins are connected to other devices through wires on the printed circuit board. Therefore, packaging plays an important role for CPUs and other LSI integrated circuits. However, during the packaging process, existing packaging equipment generally applies glue to the material and then places the material in a drying device for drying, thereby accelerating the material's air sealing efficiency. In actual use, the application of the material and the drying of the drying equipment will cause the surface temperature of the material to be too high. If the packaged material is manually removed, it will cause manual burns. At the same time, when the material is drying, it is generally dried in a drying oven. However, since the hot air will float in the drying oven and the bottom temperature of the material is low, the equipment is prone to uneven drying, which in turn affects the drying efficiency of the equipment and reduces the packaging efficiency of the equipment.

[0003] Based on this, the present invention designs a drying mechanism and a chip plastic sealing and curing device to solve the above problems. Summary of the Invention

[0004] The object of the present invention is to provide a drying mechanism and a chip plastic encapsulation and curing device to solve the problems of low drying efficiency and difficulty in removing the package proposed in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A chip plastic sealing and curing device includes a workbench, a moving mechanism is installed on the workbench, a moving frame is threadedly connected to the moving mechanism, a rotating rod is fixedly connected to the moving frame, one end of the rotating rod is rotatably connected to a plastic sealing disk, a self-locking mechanism is provided between the rotating rod and the plastic sealing disk, a closing mechanism is provided in the plastic sealing disk, a second rack is fixedly connected to the workbench, the second rack is movably engaged with the closing mechanism, a material receiving tray is installed on the workbench, and a driving mechanism is installed on the workbench, and the driving mechanism is movably engaged with the moving mechanism.

[0006] As a further solution of the present invention, the moving mechanism includes a threaded rod, a first gear and a torsion spring. The workbench is rotatably connected to the threaded rod, the first gear is installed on the threaded rod, and a torsion spring is sleeved on the threaded rod.

[0007] As a further solution of the present invention, the closing mechanism includes a first rotating column, a second gear, a third gear, a sliding plate, a first rack and a through hole. The first rotating column is rotatably connected to the plastic sealing disk, and the second gear and the third gear are installed on the first rotating column. Two sliding plates are slidably connected in the plastic sealing disk, and two first racks are fixedly connected to the sliding plate. The first rack and the second gear are meshed together. A plurality of through holes are provided on the sliding plate, and the through holes on the sliding plate and the through holes on the plastic sealing disk are staggered.

[0008] As a further solution of the present invention, the self-locking mechanism includes a fixed disk, a lock slot, a rotating disk, a first spring and a locking block. The fixed disk is installed on the rotating rod, a plurality of lock slots are provided on the fixed disk, a rotating disk is rotatably connected to the fixed disk, a plurality of first springs are fixedly connected in the rotating disk, a locking block is installed at one end of the first spring, and the locking block is movably connected in the lock slot.

[0009] As a further solution of the present invention, the driving mechanism includes a second rotating column, a half gear, a third rotating column, a fourth rotating column, a fifth rotating column, a driving motor, a telescopic rod and a fourth gear. The second rotating column, the third rotating column, the fourth rotating column and the fifth rotating column are rotatably connected to the workbench. The second rotating column is equipped with a half gear, and the half gear is meshed with the moving mechanism. The third rotating column and the second rotating column are transmission-connected, and the fourth rotating column and the fifth rotating column are transmission-connected. The workbench is equipped with a driving motor, and the output end of the driving motor is fixedly connected to the telescopic rod, and the telescopic rod is movably connected to the third rotating column and the fourth rotating column respectively, and the fifth rotating column is equipped with a fourth gear.

[0010] A drying mechanism comprises a drying box and a chip plastic sealing and curing device as described in any one of the preceding claims, wherein the drying box is mounted on the workbench, a rotating mechanism is mounted on the workbench, the rotating mechanism is located inside the drying box, the driving mechanism and the rotating mechanism are meshed and connected, a mounting plate is mounted on the rotating mechanism, a hydraulic rod is mounted on the mounting plate, a re-pressing mechanism is provided on the lower side of the hydraulic rod, the re-pressing mechanism is movably connected to the plastic sealing disk, and a plurality of ventilation fans are mounted on the drying box.

[0011] As a further solution of the present invention, the rotating mechanism includes a limiting ring and a gear ring. The limiting ring is installed on the workbench. The gear ring is rotatably connected inside the limiting ring, and the mounting plate is located on the gear ring.

[0012] As a further solution of the present invention, the re-pressing mechanism includes a pressure plate and a limit rod. The pressure plate is installed on the lower side of the hydraulic rod. A plurality of limit rods are fixedly connected to the pressure plate. The limit rods are movably connected to the plastic sealing plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: When the material is dried, the material continues to move under the drive of the moving mechanism. When the closing mechanism and the second rack in the material are engaged, the second rack drives the closing mechanism to open in coordination with the movement of the moving mechanism. At this time, the sliding plate in the closing mechanism moves to both sides, thereby increasing the aperture of the through hole. Subsequently, the plastic-sealed material enters the receiving tray, and then the moving mechanism controls the plastic-sealing tray to return, thereby allowing the high-temperature material to quickly enter the receiving tray, preventing the temperature of the material from being too high, thereby causing harm to the human body when the material is taken out. At the same time, automatic unloading makes the equipment more efficient during operation, further improving the practicability and ease of use of the equipment.

[0014] 2. When the moving mechanism moves the placement tray to the inside of the drying box, the driving mechanism and the moving mechanism are disengaged, and the driving mechanism controls the rotating mechanism to work. At this time, the hydraulic rod is pressed down to press the re-pressing mechanism on the plastic sealing tray, thereby effectively preventing the material from falling when the plastic sealing tray rotates, and ensuring the stability of the material during drying. After the re-pressing mechanism is pressed, the rotating mechanism controls the mounting plate to rotate, and then rotates the plastic sealing tray. At this time, the plastic sealing tray rotates in the drying box, and then the material in the plastic sealing tray is dried more evenly, preventing the temperature at the bottom of the drying box from being low, which causes the lower side of the material in the plastic sealing tray to be not completely dried, but over-dried last time, further improving the practicality and drying efficiency of the equipment, and ensuring its drying uniformity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the structure of the present invention from a front side perspective; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a schematic diagram of the rear side perspective structure of the present invention; Figure 4 This is a schematic diagram of the internal structure of the present invention from a partial upper side perspective; Figure 5This is a schematic diagram of the internal structure of the present invention from a partial rear side perspective; Figure 6 This is a schematic diagram of the structure of the present invention from a partial front side perspective; Figure 7 It is a schematic diagram of the structure of the present invention from a local bottom perspective.

[0017] In the accompanying drawings, the components represented by the reference numerals are as follows: 1. Workbench; 2. Moving mechanism; 3. Threaded rod; 4. First gear; 5. Torsion spring; 6. Moving frame; 7. Rotating rod; 8. Plastic sealing plate; 9. Closing mechanism; 10. First rotating column; 11. Second gear; 12. Third gear; 13. Sliding plate; 14. First rack; 15. Through hole; 16. Second rack; 17. Receiving tray; 18. Self-locking mechanism; 19. Fixed plate; 20. Locking slot; 21. Rotating plate; 22. First spring Spring; 23. Lock block; 24. Drive mechanism; 25. Second rotating column; 26. Half gear; 27. Third rotating column; 28. Fourth rotating column; 29. ​​Fifth rotating column; 30. Drive motor; 31. Telescopic rod; 32. Fourth gear; 33. Drying box; 34. Rotating mechanism; 35. Limiting ring; 36. Gear ring; 37. Mounting plate; 38. Hydraulic rod; 39. Re-pressing mechanism; 40. Pressure plate; 41. Limiting rod; 42. Ventilation fan. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] Example 1:

[0020] See also Figure 1-Figure 5 , the present invention provides a technical solution: A chip plastic encapsulation and curing device includes a workbench 1, a moving mechanism 2 is mounted on the workbench 1, a moving frame 6 is threadedly connected to the moving mechanism 2, a rotating rod 7 is fixedly connected to the moving frame 6, one end of the rotating rod 7 is rotatably connected to a plastic encapsulation disk 8, a self-locking mechanism 18 is provided between the rotating rod 7 and the plastic encapsulation disk 8, a closing mechanism 9 is provided in the plastic encapsulation disk 8, a second rack 16 is fixedly connected to the workbench 1, the second rack 16 is movably engaged with the closing mechanism 9, a receiving tray 17 is mounted on the workbench 1, and a driving mechanism 24 is mounted on the workbench 1, and the driving mechanism 24 is movably engaged with the moving mechanism 2; During operation, the material to be plastic-sealed is placed on the plastic-sealing disk 8, and the driving mechanism 24 and the moving mechanism 2 are controlled to engage. When the moving mechanism 2 is working, the material is moved by the moving mechanism 2. At this time, the material moves to the inner side of the drying box 33, and the drying box 33 can dry the material to ensure the plastic sealing of the material. When the material is dried, the material continues to move under the drive of the moving mechanism 2. When the closing mechanism 9 and the second rack 16 in the material are engaged, the second rack 16 drives the closing mechanism 9 to open in coordination with the movement of the moving mechanism 2. At this time, the sliding plate 13 in the closing mechanism 9 moves to both sides, thereby increasing the aperture of the through hole 15, and then the plastic-sealed material enters the receiving tray 17. Then the moving mechanism 2 controls the plastic-sealing disk 8 to return, so that the high-temperature material quickly enters the receiving tray 17 to prevent the temperature of the material from being too high, thereby causing harm to the human body when the material is taken out. At the same time, automatic unloading makes the equipment more efficient at work, further improving the practicality and convenience of use of the equipment.

[0021] As a further embodiment of the present invention, the moving mechanism 2 includes a threaded rod 3, a first gear 4 and a torsion spring 5. The workbench 1 is rotatably connected to the threaded rod 3, the first gear 4 is mounted on the threaded rod 3, and the torsion spring 5 is sleeved on the threaded rod 3. During operation, when the driving mechanism 24 controls the first gear 4 to rotate, the threaded rod 3 rotates at the same time. At this time, the movable frame 6 threadedly connected to the threaded rod 3 moves. At the same time, as the threaded rod 3 rotates, the torsion spring 5 is compressed at the same time. When the movable frame 6 moves to a suitable position, the driving mechanism 24 and the first gear 4 are disengaged. At this time, the threaded rod 3 rotates in the opposite direction driven by the torsion spring 5, and then the movable frame 6 is reset. This is repeated, which can effectively speed up the working efficiency of the equipment and make the equipment more convenient when working.

[0022] As a further solution of the present invention, the closing mechanism 9 includes a first rotating column 10, a second gear 11, a third gear 12, a sliding plate 13, a first rack 14 and a through hole 15. The first rotating column 10 is rotatably connected to the plastic sealing disk 8. The second gear 11 and the third gear 12 are installed on the first rotating column 10. Two sliding plates 13 are slidably connected in the plastic sealing disk 8. Two first racks 14 are fixedly connected to the sliding plate 13. The first rack 14 is meshed with the second gear 11. A plurality of through holes 15 are opened on the sliding plate 13. The through holes 15 on the sliding plate 13 and the through holes 15 on the plastic sealing disk 8 are staggered. During operation, in the initial state, the sliding plate 13 is located on the inner side of the plastic sealing disk 8. At this time, the through hole 15 on the sliding plate 13 and the through hole 15 on the plastic sealing disk 8 are in a staggered state, which facilitates the placement of the material. When the second rack 16 controls the third gear 12 to rotate, the third gear 12 drives the second gear 11 to rotate, and then the two first racks 14 move away from each other. When the two first racks 14 move away from each other, the two sliding plates 13 move away from each other at the same time, thereby increasing the gap between the through holes 15. At this time, the material can fall from the through holes 15, thereby completing the unloading of the material, reducing manual handling, and preventing harm to the human body.

[0023] As a further embodiment of the present invention, the self-locking mechanism 18 includes a fixed disk 19, a lock slot 20, a rotating disk 21, a first spring 22 and a locking block 23. The fixed disk 19 is mounted on the rotating rod 7. The fixed disk 19 is provided with a plurality of lock slots 20. The fixed disk 19 is rotatably connected to the rotating disk 21. The rotating disk 21 is fixedly connected to a plurality of first springs 22. A locking block 23 is mounted on one end of the first spring 22. The locking block 23 is movably connected to the lock slot 20. During operation, when the plastic sealing disk 8 rotates, the plastic sealing disk 8 drives the rotating disk 21 to rotate. At this time, the locking block 23 slides in the locking groove 20. When the locking block 23 stops moving, the elastic force of the spring acts on the locking block 23, causing the locking block 23 to be locked in the locking groove 20, thereby maintaining the fixation between the rotating disk 21 and the fixed disk 19, and then ensuring the stability of the plastic sealing disk 8 and preventing the material in the plastic sealing disk 8 from falling.

[0024] As a further solution of the present invention, the driving mechanism 24 includes a second rotating column 25, a half gear 26, a third rotating column 27, a fourth rotating column 28, a fifth rotating column 29, a driving motor 30, a telescopic rod 31 and a fourth gear 32. The second rotating column 25, the third rotating column 27, the fourth rotating column 28 and the fifth rotating column 29 are rotatably connected to the workbench 1. The second rotating column 25 is equipped with a half gear 26, which is meshed with the moving mechanism 2. The third rotating column 27 is transmission-connected to the second rotating column 25, and the fourth rotating column 28 is transmission-connected to the fifth rotating column 29. The driving motor 30 is installed on the workbench 1. The output end of the driving motor 30 is fixedly connected to the telescopic rod 31, which is movably connected to the third rotating column 27 and the fourth rotating column 28 respectively. The fourth gear 32 is installed on the fifth rotating column 29. During operation, when the telescopic rod 31 is shortened, the telescopic rod 31 and the third rotating column 27 are engaged. At this time, the driving motor 30 drives the second rotating column 25 to rotate through the third rotating column 27, and then the half gear 26 drives the first gear 4 to rotate, thereby ensuring the operation of the moving mechanism 2. When the telescopic rod 31 is extended, the telescopic rod 31 and the fourth rotating column 28 are engaged. At this time, the driving motor 30 drives the fifth rotating column 29 to rotate through the fourth rotating column 28, and then the fourth gear 32 rotates, thereby ensuring the operation of the rotating mechanism 34, making the equipment more convenient during operation.

[0025] Example 2:

[0026] See also Figure 6-Figure 7 , the present invention provides a technical solution: A drying mechanism, comprising a drying box 33 and any one of the chip plastic encapsulation and curing devices, wherein the drying box 33 is mounted on a workbench 1, a rotating mechanism 34 is mounted on the workbench 1, the rotating mechanism 34 is located inside the drying box 33, a driving mechanism 24 is meshedly connected to the rotating mechanism 34, a mounting plate 37 is mounted on the rotating mechanism 34, a hydraulic rod 38 is mounted on the mounting plate 37, a re-pressing mechanism 39 is provided on the lower side of the hydraulic rod 38, the re-pressing mechanism 39 is movably connected to the plastic encapsulation plate 8, and a plurality of ventilation fans 42 are mounted on the drying box 33; During operation, when the moving mechanism 2 moves the placement tray to the inside of the drying box 33, the driving mechanism 24 and the moving mechanism 2 are disengaged, and the driving mechanism 24 controls the rotating mechanism 34 to work. At this time, the hydraulic rod 38 is pressed down, so that the re-pressing mechanism 39 is pressed on the plastic sealing tray 8, thereby effectively preventing the material from falling when the plastic sealing tray 8 rotates, ensuring the stability of the material during drying. After the re-pressing mechanism 39 is pressed, the rotating mechanism 34 controls the mounting plate 37 to rotate, and then rotates the plastic sealing tray 8. At this time, the plastic sealing tray 8 rotates in the drying box 33, and then the material in the plastic sealing tray 8 is dried more evenly, preventing the temperature at the bottom of the drying box 33 from being low, which causes the lower side of the material in the plastic sealing tray 8 to be not completely dried, but over-dried last time, further improving the drying efficiency of the equipment and ensuring its drying uniformity.

[0027] As a further solution of the present invention, the rotating mechanism 34 includes a limiting ring 35 and a gear ring 36. The limiting ring 35 is installed on the workbench 1. The gear ring 36 is rotatably connected inside the limiting ring 35. The mounting plate 37 is located on the gear ring 36. During operation, when the driving mechanism controls the fourth gear 32 to rotate, the fourth gear 32 drives the gear ring 36 to rotate. At this time, the gear ring 36 rotates in the limiting ring 35, and then the re-pressing mechanism 39 can drive the plastic sealing plate 8 to rotate, thereby ensuring the drying quality of the plastic sealing plate 8 and preventing the plastic sealing plate 8 from being affected by the bottom during drying, thereby affecting its drying quality.

[0028] As a further solution of the present invention, the re-pressing mechanism 39 includes a pressure plate 40 and a limiting rod 41. The pressure plate 40 is installed on the lower side of the hydraulic rod 38. A plurality of limiting rods 41 are fixedly connected to the pressure plate 40. The limiting rods 41 are movably connected to the plastic sealing plate 8. During operation, the hydraulic rod 38 extends, and at this time the hydraulic rod 38 pushes the pressure plate 40 down, and the limiting rod 41 on the lower side of the pressure plate 40 is inserted into the through hole 15 in the plastic sealing plate 8, thereby limiting the material inside it, preventing the material from falling during the rotation and drying process, and further ensuring the stability of the material during drying.

[0029] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A chip plastic encapsulation and curing device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a moving mechanism (2), a moving frame (6) is threadedly connected to the moving mechanism (2), a rotating rod (7) is fixedly connected to the moving frame (6), one end of the rotating rod (7) is rotatably connected to a plastic sealing disk (8), a self-locking mechanism (18) is provided between the rotating rod (7) and the plastic sealing disk (8), a closing mechanism (9) is provided in the plastic sealing disk (8), a second rack (16) is fixedly connected to the workbench (1), the second rack (16) and the closing mechanism (9) are movably engaged, a receiving tray (17) is provided on the workbench (1), a driving mechanism (24) is provided on the workbench (1), and the driving mechanism (24) and the moving mechanism (2) are movably engaged.

2. The chip plastic encapsulation and curing device according to claim 1, characterized in that: The moving mechanism (2) comprises a threaded rod (3), a first gear (4) and a torsion spring (5); the workbench (1) is rotatably connected to the threaded rod (3); the first gear (4) is mounted on the threaded rod (3); and the torsion spring (5) is sleeved on the threaded rod (3).

3. The chip plastic encapsulation and curing device according to claim 1, characterized in that: The closing mechanism (9) comprises a first rotating column (10), a second gear (11), a third gear (12), a sliding plate (13), a first rack (14) and a through hole (15); the first rotating column (10) is rotatably connected to the plastic sealing disk (8); the second gear (11) and the third gear (12) are mounted on the first rotating column (10); two sliding plates (13) are slidably connected in the plastic sealing disk (8); two first racks (14) are fixedly connected to the sliding plate (13); the first racks (14) and the second gear (11) are meshed and connected; a plurality of through holes (15) are provided on the sliding plate (13); the through holes (15) on the sliding plate (13) and the through holes (15) on the plastic sealing disk (8) are staggered.

4. The chip plastic encapsulation and curing device according to claim 1, characterized in that: The self-locking mechanism (18) comprises a fixed disk (19), a locking groove (20), a rotating disk (21), a first spring (22) and a locking block (23); the fixed disk (19) is mounted on the rotating rod (7); a plurality of locking grooves (20) are formed on the fixed disk (19); the rotating disk (21) is rotatably connected to the fixed disk (19); a plurality of first springs (22) are fixedly connected in the rotating disk (21); a locking block (23) is mounted on one end of the first spring (22); and the locking block (23) is movably connected in the locking groove (20).

5. The chip plastic encapsulation and curing device according to claim 1, characterized in that: The driving mechanism (24) comprises a second rotating column (25), a half gear (26), a third rotating column (27), a fourth rotating column (28), a fifth rotating column (29), a driving motor (30), a telescopic rod (31) and a fourth gear (32); the second rotating column (25), the third rotating column (27), the fourth rotating column (28) and the fifth rotating column (29) are rotatably connected to the workbench (1); the second rotating column (25) is equipped with a half gear (26); the half gear (26) The third rotating column (27) is meshedly connected to the moving mechanism (2), the third rotating column (27) is transmission-connected to the second rotating column (25), the fourth rotating column (28) is transmission-connected to the fifth rotating column (29), a driving motor (30) is installed on the workbench (1), an output end of the driving motor (30) is fixedly connected to a telescopic rod (31), the telescopic rod (31) is movably connected to the third rotating column (27) and the fourth rotating column (28), and a fourth gear (32) is installed on the fifth rotating column (29).

6. A drying mechanism, characterized in that: The chip plastic sealing and curing device comprises a drying box (33) and any one of claims 1 to 5, wherein the drying box (33) is installed on the workbench (1), a rotating mechanism (34) is installed on the workbench (1), the rotating mechanism (34) is located in the drying box (33), the driving mechanism (24) and the rotating mechanism (34) are meshed and connected, a mounting plate (37) is installed on the rotating mechanism (34), a hydraulic rod (38) is installed on the mounting plate (37), a re-pressing mechanism (39) is provided on the lower side of the hydraulic rod (38), the re-pressing mechanism (39) and the plastic sealing disk (8) are movably connected, and a plurality of ventilation fans (42) are installed on the drying box (33).

7. A drying mechanism according to claim 6, characterized in that: The rotating mechanism (34) comprises a limiting ring (35) and a gear ring (36). The limiting ring (35) is installed on the workbench (1). The gear ring (36) is rotatably connected inside the limiting ring (35). The mounting plate (37) is located on the gear ring (36).

8. A drying mechanism according to claim 6, characterized in that: The re-pressing mechanism (39) comprises a pressure plate (40) and a limiting rod (41). The pressure plate (40) is installed on the lower side of the hydraulic rod (38). A plurality of limiting rods (41) are fixedly connected to the pressure plate (40). The limiting rods (41) are movably connected to the plastic sealing plate (8).

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