A display module COF chip bonding dispensing structure

Abstract

The present invention relates to the technical field of chip binding and dispensing equipment, and discloses a display module COF chip binding and dispensing structure, comprising a workbench, wherein two sides of the top of the workbench are respectively fixedly connected to a bearing platform, and the workbench is fixedly connected to a bracket shell near the top of the bearing platform. A flexible circuit board is placed on the top of the bearing platform, and a chip is docked inside the special-shaped groove due to the setting of the special-shaped groove. The first electric telescopic rod is started, and the first electric telescopic rod drives the connecting block to move, and the connecting block drives the glue housing to move. The first electric telescopic rod is closed, and the second electric telescopic rod is started, and the second electric telescopic rod drives a piston plate to descend inside the glue housing. During the descending process of the piston plate, the glue inside the glue housing enters the inside of a circular tube, the glue enters the inside of an annular shell through the circular tube, the glue enters the inside of a glue injector through the annular shell, and the glue enters the inside of the special-shaped groove through injection by the glue injector, so that the flexible circuit board and the chip are subjected to glue dispensing.

Description

Technical Field

[0001] The present invention relates to the technical field of chip binding and dispensing equipment, and in particular to a display module COF chip binding and dispensing structure. Background Art

[0002] In the display module production process, COF chip bonding technology is a key step in directly connecting the display driver chip to the flexible printed circuit board (FPC) through a dispensing process. Its purpose is to ensure electrical connectivity and mechanical fastening between the driver chip and the circuit board, while also enabling efficient and reliable signal transmission and thermal management. The basic principle of COF chip bonding dispensing is to precisely apply glue between the chip pins and the FPC through a dispensing process. Heat is then applied to cure the glue, firmly securing the chip to the FPC and achieving an electrical connection. This process requires precise control, often using automated equipment to ensure accurate and even glue distribution.

[0003] The existing technology usually involves injecting glue on the top of the flexible circuit board. During this process, the glue may penetrate into the part of the flexible circuit board that does not contact the chip, causing the glue to overflow, thereby affecting the display effect or electrical connection. Summary of the Invention

[0004] The object of the present invention is to provide a display module COF chip bonding glue dispensing structure to solve the problems raised in the above background technology.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a display module COF chip binding and dispensing structure, comprising a workbench, wherein both sides of the top of the workbench are fixedly connected to a carrying platform respectively, the workbench is fixedly connected to a bracket shell near the top of the carrying platform, a first electric telescopic rod is fixedly connected to one side of the inner wall of the bracket shell, the movable end of the first electric telescopic rod is fixedly connected to a connecting block, one end of the connecting block is fixedly connected to a glue-containing shell, and also includes a chip dispensing mechanism, the chip dispensing mechanism includes a second electric telescopic rod, a piston plate, a round rod, an annular shell, a flexible circuit board, and a dispensing component for injecting glue into the flexible circuit board, the fixed end of the second electric telescopic rod is fixedly connected to the top of the glue-containing shell, the output end of the second electric telescopic rod passes through the glue-containing shell and extends to the interior of the glue-containing shell, the output end of the second electric telescopic rod is fixedly connected to the top of the piston plate, the outer wall of the piston plate is slidably connected to the inner wall of the glue-containing shell, the bottom of the piston plate is fixedly connected to the top of the round rod, and the bottom outer wall of the glue-containing shell is fixedly connected to the inner wall of the annular shell.

[0007] Furthermore, the dispensing component includes a special-shaped groove opened on the top of the flexible circuit board, the bottom of the flexible circuit board is contacted with the top of the carrier, the inner wall of the special-shaped groove is contacted with a chip, and the inner walls of the glue shell are connected to round tubes on both sides.

[0008] Furthermore, one end of the round tube is connected to the inner cavity of the annular shell, and the two sides of the bottom of the annular shell are respectively connected to the glue injectors. The bottom of the glue-containing shell is fixedly connected to a fixed plate, and the bottom end of the round rod passes through the glue-containing shell and extends to the outside of the fixed plate. The bottom of the round rod is fixedly connected to a flexible plate.

[0009] Furthermore, a positioning assembly is provided on the top of the flexible board, which includes a rotating plate rotatably connected to both sides of the top of the flexible board, transverse grooves are respectively provided on both sides of the bottom of the fixed plate, and a slider is rotatably connected to the top of the rotating plate.

[0010] Furthermore, the outer wall of the slider is slidably connected to the inner wall of the transverse groove, one end of the slider is fixedly connected to a bent rod, the end of the bent rod away from the slider is fixedly connected to a connecting plate, the inner wall of the connecting plate is slidably connected to a movable frame, one end of the movable frame is fixedly connected to a positioning plate, the side of the positioning plate close to the movable frame is fixedly connected to a first spring, and one end of the first spring is fixedly connected to the side wall of the connecting plate.

[0011] Furthermore, a blocking assembly is provided on the side wall of the connecting plate, which includes a rotating rod rotatably connected to both ends of one side of the connecting plate, vertical grooves are respectively provided at both ends of the side of the positioning plate close to the first spring, and a lifting block is rotatably connected to the end of the rotating rod away from the connecting plate.

[0012] Furthermore, the outer wall of the lifting block is slidably connected to the inner wall of the vertical groove, the bottom of the lifting block is fixedly connected to the vertical rod, the bottom of the vertical rod is fixedly connected to the blocking shell, the top two sides of the blocking shell are respectively fixedly connected to the circular shell, and the top of the inner wall of the circular shell is fixedly connected to the second spring.

[0013] Furthermore, the bottom of the second spring is fixedly connected to a sliding frame, the bottom end of the sliding frame passes through the blocking shell and extends to the outside of the blocking shell, circular grooves are respectively provided on both sides of the bottom of the blocking shell, and square grooves are respectively provided on the left and right ends of the blocking shell, and the top inner wall of the circular shell is connected to a curved pipe, one end of the curved pipe is connected to the inner wall of the square groove.

[0014] Furthermore, a return spring is fixedly connected to one side of the inner wall of the square groove, one end of the return spring is fixedly connected to the piston rod, the outer wall of the piston rod is slidably connected to the inner wall of the square groove, and the end of the piston rod away from the return spring is fixedly connected to the blocking plate.

[0015] Furthermore, an auxiliary component is provided on the top of the sliding frame, and the auxiliary component includes a lifting frame fixedly connected to the top of the sliding frame, one end of the lifting frame passes through the circular shell and extends to the outside of the circular shell, the top of the lifting frame is rotatably connected to a rotating bar, and the end of the rotating bar away from the lifting frame is rotatably connected to a push plate, and the outer wall of the push plate is slidably connected to the inner wall of the blocking shell.

[0016] The present invention has the following beneficial effects:

[0017] (1) The present invention places the flexible circuit board on the top of the carrier, and due to the setting of the special-shaped groove, docks the chip inside the special-shaped groove, starts the first electric telescopic rod, the first electric telescopic rod drives the connecting block to move, the connecting block drives the glue shell to move, closes the first electric telescopic rod, starts the second electric telescopic rod, and the second electric telescopic rod drives the piston plate to descend inside the glue shell. During the descent of the piston plate, the glue inside the glue shell enters the inside of the round tube, the glue enters the inside of the annular shell through the round tube, the glue enters the inside of the glue injector through the annular shell, and the glue enters the inside of the special-shaped groove through the injection of the glue injector, so that the flexible circuit board and the chip are glued. Due to the setting of the special-shaped groove, a small amount of glue can be stored to prevent excessive glue injection from overflowing on the top of the flexible circuit board, thereby improving the quality of glue dispensing. When the piston plate descends, the piston plate drives the round rod to descend, and the round rod drives the flexible board to descend. During the descent of the flexible board, it will come into contact with the top of the chip, pressing the chip downward, so that the pins of the chip are fully in contact with the glue inside the special-shaped groove, further improving the connection effect between the chip and the flexible circuit board.

[0018] (2) In the present invention, when the flexible plate descends, the flexible plate drives the rotating plate to descend, and is limited by the transverse groove. The rotating plate drives the slider to slide along the inside of the transverse groove, the slider drives the bending rod to move, the bending rod drives the connecting plate to move, the connecting plate drives the moving frame to move, the moving frame drives the positioning plate to move, and the two positioning plates move closer to each other, thereby clamping the side wall of the chip, so that the chip is accurately positioned at the square hole inside the special-shaped groove, preventing the chip pins from being stuck with the special-shaped groove when the flexible plate presses down the chip, causing the chip pins to bend, thereby improving the protection effect of the chip.

[0019] (3) In the present invention, when the positioning plate contacts the chip, the reaction force of the chip causes the positioning plate to move toward the connecting plate, and the positioning plate drives the lifting block to move. The rotating rod is set, and the rotating rod drives the lifting block to descend along the inner wall of the vertical groove. The lifting block drives the vertical rod to descend, and the vertical rod drives the blocking shell to descend. During the descent process, the blocking shell can contact the side wall of the special-shaped groove at the top of the flexible circuit board, preventing the glue inside the special-shaped groove from overflowing and adhering to the top and surrounding of the flexible circuit board, thereby improving the aesthetics of the glue-dispensing flexible circuit board.

[0020] (4) In the present invention, when the blocking shell descends, the blocking shell drives the sliding frame to descend. The sliding frame first contacts the top of the flexible circuit board and receives the reaction force of the flexible circuit board. The top of the sliding frame slides inside the circular shell, pushing the airflow inside the circular shell, so that the airflow inside the circular shell enters the inside of the bent pipe. The airflow enters the inside of the square groove through the bent pipe. The airflow causes the piston rod inside the square groove to slide, and the piston rod drives the blocking plate to move. During the movement of the blocking plate, the top of the special-shaped groove can be blocked to prevent glue from entering the top of the flexible circuit board, thereby further improving the aesthetics of the flexible circuit board after gluing. Due to the setting of the circular groove, the bottom end of the sliding frame will dock with the bottom of the circular groove when it slides up, preventing the sealing shell from incompletely sealing the glue. When the sliding frame moves up, the sliding frame drives the lifting frame to move up, and the lifting frame drives the rotating bar to move up. Limited by the blocking shell, the rotating bar drives the push plate to slide along the inner wall of the blocking shell. At this time, the two push plates are located inside the special-shaped groove and move away from each other, which can push the glue inside the special-shaped groove to make the glue enter the bottom of the chip and the top center of the flexible circuit board, making it convenient for the bottom of the chip and the top center of the flexible circuit board to be glued together, further improving the connection effect between the chip and the flexible circuit board.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] 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.

[0023] Figure 1 This is a schematic diagram of the overall top view of the structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0025] Figure 3 This is a schematic diagram of the cross-sectional structure of the container shell of the present invention;

[0026] Figure 4 This is a schematic diagram of the exploded structure of the flexible circuit board of the present invention;

[0027] Figure 5 This is a bottom view of the structure of the fixing plate of the present invention;

[0028] Figure 6 This is a schematic diagram of the bottom view of the plugging shell structure of the present invention;

[0029] Figure 7 This is a schematic diagram of the side structure of the positioning plate of the present invention;

[0030] Figure 8 This is a schematic cross-sectional view of the rotating rod of the present invention;

[0031] Figure 9 For the present invention Figure 3 A magnified view of middle A;

[0032] Figure 10 For the present invention Figure 5 Magnified view of B.

[0033] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0034] In the figure: 1. Workbench; 2. Carrying platform; 3. Bracket shell; 4. First electric telescopic rod; 5. Connecting block; 6. Glue container shell; 7. Chip dispensing mechanism; 71. Second electric telescopic rod; 72. Piston plate; 73. Round rod; 74. Ring shell; 75. Glue dispensing assembly; 76. Positioning assembly; 77. Blocking assembly; 78. Auxiliary assembly; 79. Flexible circuit board; 752. Special-shaped groove; 753. Chip; 754. Round tube; 755. Glue injector; 756. Fixed plate; 757. Flexible board; 761. Rotating plate; 762. Horizontal groove ; 763, slider; 764, bending rod; 765, connecting plate; 766, moving frame; 767, first spring; 768, positioning plate; 771, rotating rod; 772, vertical groove; 773, lifting block; 774, vertical rod; 775, blocking shell; 776, round shell; 777, second spring; 778, sliding frame; 779, round groove; 7710, bending pipe; 7711, square groove; 7712, return spring; 7713, piston rod; 7714, blocking plate; 781, lifting frame; 782, rotating bar; 783, pushing plate. DETAILED DESCRIPTION

[0035] 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 creative efforts are within the scope of protection of the present invention.

[0036] Example 1, please refer to Figure 1 - Figure 10As shown, the present invention is a display module COF chip binding and dispensing structure, comprising a workbench 1, with a supporting platform 2 fixedly connected to both sides of the top of the workbench 1, a bracket shell 3 fixedly connected to the top of the workbench 1 near the supporting platform 2, a first electric telescopic rod 4 fixedly connected to one side of the inner wall of the bracket shell 3, a connecting block 5 fixedly connected to the movable end of the first electric telescopic rod 4, and a glue container shell 6 fixedly connected to one end of the connecting block 5, and further comprising;

[0037] The chip dispensing mechanism 7 includes a second electric telescopic rod 71, a piston plate 72, a round rod 73, an annular shell 74, a flexible circuit board 79, and a dispensing component 75 for injecting glue into the flexible circuit board 79. The flexible circuit board 79 is placed on the top of the carrier 2 and is provided with a special-shaped groove 752. The chip 753 is docked inside the special-shaped groove 752. The first electric telescopic rod 4 is started, and the first electric telescopic rod 4 drives the connecting block 5 to move. The connecting block 5 drives the glue housing 6 to move. The first electric telescopic rod 4 activates the second electric telescopic rod 71, which drives the piston plate 72 to descend inside the glue housing 6. During the descending process of the piston plate 72, the glue inside the glue housing 6 enters the inside of the circular tube 754, and the glue enters the inside of the annular housing 74 through the circular tube 754. The glue enters the inside of the glue injector 755 through the annular housing 74, and the glue is injected by the glue injector 755 into the inside of the special-shaped groove 752, so that the flexible circuit board 79 and the chip 753 are glued.

[0038] The fixed end of the second electric telescopic rod 71 is fixedly connected to the top of the rubber shell 6, the output end of the second electric telescopic rod 71 passes through the rubber shell 6 and extends to the inside of the rubber shell 6, the output end of the second electric telescopic rod 71 is fixedly connected to the top of the piston plate 72, the outer wall of the piston plate 72 is slidably connected to the inner wall of the rubber shell 6, the bottom of the piston plate 72 is fixedly connected to the top of the round rod 73, and the outer wall of the bottom end of the rubber shell 6 is fixedly connected to the inner wall of the annular shell 74.

[0039] The glue dispensing component 75 includes a special-shaped groove 752 opened on the top of the flexible circuit board 79. The setting of the special-shaped groove 752 can store a small amount of glue, prevent excessive glue injection from overflowing on the top of the flexible circuit board 79, and improve the quality of glue dispensing. The bottom contact of the flexible circuit board 79 is set on the top of the supporting platform 2, and the inner wall contact of the special-shaped groove 752 is provided with a chip 753, and the inner walls of the glue container shell 6 are respectively connected to round tubes 754.

[0040] One end of the circular tube 754 is connected to the inner cavity of the annular shell 74, and the two sides of the bottom of the annular shell 74 are respectively connected to the glue injectors 755. The bottom of the glue-containing shell 6 is fixedly connected to the fixed plate 756. The bottom end of the round rod 73 passes through the glue-containing shell 6 and extends to the outside of the fixed plate 756. The bottom of the round rod 73 is fixedly connected to the flexible plate 757. When the piston plate 72 descends, the piston plate 72 drives the round rod 73 to descend, and the round rod 73 drives the flexible plate 757 to descend. During the descending process, the flexible plate 757 will come into contact with the top of the chip 753, pressing the chip 753 downward, so that the pins of the chip 753 are fully in contact with the glue inside the special-shaped groove 752, further improving the connection effect between the chip 753 and the flexible circuit board 79.

[0041] A positioning assembly 76 is provided on the top of the flexible plate 757. When the flexible plate 757 descends, the flexible plate 757 drives the rotating plate 761 to descend. The rotating plate 761 is limited by the transverse groove 762, and the slider 763 drives the bent rod 764 to move. The bent rod 764 drives the connecting plate 765 to move. The connecting plate 765 drives the moving frame 766 to move. The moving frame 766 drives the positioning plate 768 to move. The two positioning plates 768 move closer to each other, thereby aligning the chip. The side walls of 753 perform clamping work to accurately position the chip 753 in the square hole inside the special-shaped groove 752, preventing the pins of the chip 753 from being stuck in the special-shaped groove 752 when the flexible board 757 presses down the chip 753, causing the pins of the chip 753 to bend, thereby improving the protection effect of the chip 753. The positioning component 76 includes a rotating plate 761 rotatably connected to both sides of the top of the flexible board 757, and transverse grooves 762 are respectively provided on both sides of the bottom of the fixed plate 756. The top of the rotating plate 761 is rotatably connected to a slider 763.

[0042] The outer wall of the slider 763 is slidably connected to the inner wall of the transverse groove 762, one end of the slider 763 is fixedly connected to the bent rod 764, the end of the bent rod 764 away from the slider 763 is fixedly connected to the connecting plate 765, the inner wall of the connecting plate 765 is slidably connected to the movable frame 766, one end of the movable frame 766 is fixedly connected to the positioning plate 768, the side of the positioning plate 768 close to the movable frame 766 is fixedly connected to the first spring 767, and one end of the first spring 767 is fixedly connected to the side wall of the connecting plate 765.

[0043] In embodiment 2, a blocking assembly 77 is provided on the side wall of the connecting plate 765. When the positioning plate 768 contacts the chip 753, the reaction force of the chip 753 causes the positioning plate 768 to move toward the connecting plate 765. The positioning plate 768 drives the lifting block 773 to move. The rotating rod 771 drives the lifting block 773 to descend along the inner wall of the vertical slot 772. The lifting block 773 drives the vertical rod 774 to descend. The vertical rod 774 drives the blocking shell 775 to descend. The blocking shell During the descent process, 775 can come into contact with the side wall of the special-shaped groove 752 at the top of the flexible circuit board 79, preventing the glue inside the special-shaped groove 752 from overflowing outward and adhering to the top and surrounding of the flexible circuit board 79, thereby improving the aesthetics of the flexible circuit board 79 for glue dispensing. The blocking component 77 includes a rotating rod 771 rotatably connected to both ends of one side of the connecting plate 765, and vertical grooves 772 are respectively provided at both ends of the side of the positioning plate 768 close to the first spring 767. The rotating rod 771 is rotatably connected to the lifting block 773 at the end away from the connecting plate 765.

[0044] The outer wall of the lifting block 773 is slidably connected to the inner wall of the vertical groove 772. The bottom of the lifting block 773 is fixedly connected to the vertical rod 774. The bottom of the vertical rod 774 is fixedly connected to the blocking shell 775. The top two sides of the blocking shell 775 are respectively fixedly connected to the circular shell 776. The top of the inner wall of the circular shell 776 is fixedly connected to the second spring 777.

[0045] The bottom of the second spring 777 is fixedly connected to a sliding frame 778, the bottom end of the sliding frame 778 passes through the blocking shell 775 and extends to the outside of the blocking shell 775, circular grooves 779 are respectively provided on both sides of the bottom of the blocking shell 775, and square grooves 7711 are respectively provided on the left and right ends of the blocking shell 775. The inner wall of the top end of the circular shell 776 is connected to a curved pipe 7710, and one end of the curved pipe 7710 is connected to the inner wall of the square groove 7711.

[0046] A return spring 7712 is fixedly connected to one side of the inner wall of the square groove 7711, and one end of the return spring 7712 is fixedly connected to the piston rod 7713. The outer wall of the piston rod 7713 is slidably connected to the inner wall of the square groove 7711, and the end of the piston rod 7713 away from the return spring 7712 is fixedly connected to the blocking plate 7714.

[0047] The top of the sliding frame 778 is provided with an auxiliary component 78, which includes a lifting frame 781 fixedly connected to the top of the sliding frame 778. One end of the lifting frame 781 passes through the circular shell 776 and extends to the outside of the circular shell 776. The top of the lifting frame 781 is rotatably connected to a rotating bar 782. The end of the rotating bar 782 away from the lifting frame 781 is rotatably connected to a push plate 783. The outer wall of the push plate 783 is slidably connected to the inner wall of the blocking shell 775. When the sliding frame 778 moves up, the sliding frame 778 drives the lifting frame 781 to move up, and the lifting frame 78 1 drives the rotating bar 782 to move upward. Limited by the blocking shell 775, the rotating bar 782 drives the pushing plate 783 to slide along the inner wall of the blocking shell 775. At this time, the two pushing plates 783 are located inside the special-shaped groove 752 and move away from each other, which can push the glue inside the special-shaped groove 752 to make the glue enter the bottom of the chip 753 and the top center of the flexible circuit board 79, making it convenient for the bottom of the chip 753 to be glued to the top center of the flexible circuit board 79, further improving the connection effect between the chip 753 and the flexible circuit board 79.

[0048] When in use, the flexible circuit board 79 is placed on the top of the supporting platform 2, and the chip 753 is docked inside the special-shaped groove 752 due to the setting of the special-shaped groove 752. The first electric telescopic rod 4 is started, and the first electric telescopic rod 4 drives the connecting block 5 to move, and the connecting block 5 drives the glue shell 6 to move. The first electric telescopic rod 4 is closed, and the second electric telescopic rod 71 is started. The second electric telescopic rod 71 drives the piston plate 72 to descend inside the glue shell 6. During the descending process of the piston plate 72, the glue inside the glue shell 6 enters the interior of the circular tube 754, and the glue enters the interior of the annular shell 74 through the circular tube 754. The glue enters the interior of the glue injector 755 through the annular shell 74, and the glue is injected through the injection The injection of the glue device 755 enters the interior of the special-shaped groove 752, so that the flexible circuit board 79 and the chip 753 are glued. Due to the setting of the special-shaped groove 752, a small amount of glue can be stored to prevent excessive glue injection from overflowing on the top of the flexible circuit board 79, thereby improving the quality of the glue dispensing work. When the piston plate 72 descends, the piston plate 72 drives the round rod 73 to descend, and the round rod 73 drives the flexible board 757 to descend. During the descending process, the flexible board 757 will come into contact with the top of the chip 753, pressing down the chip 753, so that the pins of the chip 753 are fully in contact with the glue inside the special-shaped groove 752, further improving the connection effect between the chip 753 and the flexible circuit board 79.

[0049] When the flexible plate 757 descends, the flexible plate 757 drives the rotating plate 761 to descend. Limited by the transverse groove 762, the rotating plate 761 drives the slider 763 to slide along the inside of the transverse groove 762, and the slider 763 drives the bent rod 764 to move. The bent rod 764 drives the connecting plate 765 to move, the connecting plate 765 drives the moving frame 766 to move, and the moving frame 766 drives the positioning plate 768 to move. The two positioning plates 768 approach each other, thereby clamping the side wall of the chip 753, so that the chip 753 is accurately positioned in the square hole inside the special-shaped groove 752, preventing the pins of the chip 753 from being stuck with the special-shaped groove 752 when the flexible plate 757 presses down the chip 753, causing the pins of the chip 753 to bend, thereby improving the protection effect of the chip 753.

[0050] When the positioning plate 768 comes into contact with the chip 753, the reaction force of the chip 753 causes the positioning plate 768 to move toward the connecting plate 765, and the positioning plate 768 drives the lifting block 773 to move. Affected by the setting of the rotating rod 771, the rotating rod 771 drives the lifting block 773 to descend along the inner wall of the vertical groove 772, and the lifting block 773 drives the vertical rod 774 to descend, and the vertical rod 774 drives the blocking shell 775 to descend. During the descending process, the blocking shell 775 can come into contact with the side wall of the special-shaped groove 752 at the top of the flexible circuit board 79, preventing the glue inside the special-shaped groove 752 from overflowing outward and adhering to the top and surrounding areas of the flexible circuit board 79, thereby improving the aesthetics of the glue-dispensing flexible circuit board 79.

[0051] When the sealing shell 775 descends, the sealing shell 775 drives the sliding frame 778 to descend. The sliding frame 778 first contacts the top of the flexible circuit board 79. Under the reaction force of the flexible circuit board 79, the top of the sliding frame 778 slides inside the circular shell 776, pushing the airflow inside the circular shell 776, so that the airflow inside the circular shell 776 enters the interior of the elbow 7710, and the airflow enters the interior of the square groove 7711 through the elbow 7710. The airflow causes the piston rod 7713 inside the square groove 7711 to slide, and the piston rod 7713 drives the sealing plate 7714 to move. During the movement of the sealing plate 7714, it can block the top and surrounding areas of the special-shaped groove 752 to prevent glue from entering the top and surrounding areas of the flexible circuit board 79, further improving the aesthetics of the flexible circuit board 79 after dispensing. Due to the setting of the circular groove 779, the bottom end of the sliding frame 778 will dock with the bottom of the circular groove 779 when it slides up, preventing the sealing shell 775 from incompletely sealing the glue. When the sliding frame 778 moves up, the sliding frame 778 drives the lifting frame 781 to move up, and the lifting frame 781 drives the rotating bar 782 to move up. Limited by the blocking shell 775, the rotating bar 782 drives the push plate 783 to slide along the inner wall of the blocking shell 775. At this time, the two push plates 783 are located inside the special-shaped groove 752 and move away from each other, which can push the glue inside the special-shaped groove 752, so that the glue enters the bottom of the chip 753 and the top center of the flexible circuit board 79, making it convenient for the bottom of the chip 753 to be glued to the top center of the flexible circuit board 79, further improving the connection effect between the chip 753 and the flexible circuit board 79.

[0052] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A display module COF chip bonding dispensing structure, comprising a workbench (1), characterized in that: The two sides of the top of the workbench (1) are respectively fixedly connected to the bearing platform (2), the top of the workbench (1) close to the bearing platform (2) is fixedly connected to a bracket shell (3), one side of the inner wall of the bracket shell (3) is fixedly connected to a first electric telescopic rod (4), the movable end of the first electric telescopic rod (4) is fixedly connected to a connecting block (5), one end of the connecting block (5) is fixedly connected to a plastic container shell (6), and further comprising; A chip dispensing mechanism (7), the chip dispensing mechanism (7) comprising a second electric telescopic rod (71), a piston plate (72), a round rod (73), an annular shell (74), a flexible circuit board (79), and a dispensing assembly (75) for injecting glue into the flexible circuit board (79); The fixed end of the second electric telescopic rod (71) is fixedly connected to the top of the plastic container shell (6), the output end of the second electric telescopic rod (71) passes through the plastic container shell (6) and extends to the inside of the plastic container shell (6), the output end of the second electric telescopic rod (71) is fixedly connected to the top of the piston plate (72), the outer wall of the piston plate (72) is slidably connected to the inner wall of the plastic container shell (6), the bottom of the piston plate (72) is fixedly connected to the top of the round rod (73), and the outer wall of the bottom end of the plastic container shell (6) is fixedly connected to the inner wall of the annular shell (74); The dispensing assembly (75) includes a special-shaped groove (752) provided on the top of the flexible circuit board (79), the bottom of the flexible circuit board (79) is contacted with the top of the carrier (2), the inner wall of the special-shaped groove (752) is contacted with a chip (753), and the inner walls of the glue container (6) are connected to circular tubes (754) on both sides. One end of the circular tube (754) is connected to the inner cavity of the annular shell (74), and both sides of the bottom of the annular shell (74) are respectively connected to the glue injectors (755). The bottom of the glue-containing shell (6) is fixedly connected to the fixed plate (756). The bottom end of the round rod (73) passes through the glue-containing shell (6) and extends to the outside of the fixed plate (756). The bottom of the round rod (73) is fixedly connected to the flexible plate (757). A positioning assembly (76) is provided on the top of the flexible plate (757), and the positioning assembly (76) includes a rotating plate (761) rotatably connected to both sides of the top of the flexible plate (757). Both sides of the bottom of the fixed plate (756) are respectively provided with transverse grooves (762). The top of the rotating plate (761) is rotatably connected to a slider (763). The outer wall of the slider (763) is slidably connected to the inner wall of the transverse groove (762); one end of the slider (763) is fixedly connected to a bent rod (764); one end of the bent rod (764) away from the slider (763) is fixedly connected to a connecting plate (765); the inner wall of the connecting plate (765) is slidably connected to a movable frame (766); one end of the movable frame (766) is fixedly connected to a positioning plate (768); a side of the positioning plate (768) close to the movable frame (766) is fixedly connected to a first spring (767); one end of the first spring (767) is fixedly connected to the side wall of the connecting plate (765); A blocking assembly (77) is provided on the side wall of the connecting plate (765), and the blocking assembly (77) includes a rotating rod (771) rotatably connected to both ends of one side of the connecting plate (765). Vertical grooves (772) are respectively provided at both ends of a side of the positioning plate (768) close to the first spring (767). The end of the rotating rod (771) away from the connecting plate (765) is rotatably connected to a lifting block (773).

2. The display module COF chip bonding glue dispensing structure according to claim 1, characterized in that: The outer wall of the lifting block (773) is slidably connected to the inner wall of the vertical groove (772); the bottom of the lifting block (773) is fixedly connected to a vertical rod (774); the bottom of the vertical rod (774) is fixedly connected to a blocking shell (775); the top two sides of the blocking shell (775) are respectively fixedly connected to round shells (776); the top of the inner wall of the round shell (776) is fixedly connected to a second spring (777).

3. The display module COF chip bonding glue dispensing structure according to claim 2, characterized in that: The bottom of the second spring (777) is fixedly connected to a sliding frame (778), the bottom end of the sliding frame (778) passes through the blocking shell (775) and extends to the outside of the blocking shell (775), circular grooves (779) are respectively provided on both sides of the bottom of the blocking shell (775), and square grooves (7711) are respectively provided on the left and right ends of the blocking shell (775), and the top inner wall of the circular shell (776) is connected to a curved pipe (7710), and one end of the curved pipe (7710) is connected to the inner wall of the square groove (7711).

4. The display module COF chip bonding glue dispensing structure according to claim 3, characterized in that: A return spring (7712) is fixedly connected to one side of the inner wall of the square groove (7711), one end of the return spring (7712) is fixedly connected to a piston rod (7713), the outer wall of the piston rod (7713) is slidably connected to the inner wall of the square groove (7711), and the end of the piston rod (7713) away from the return spring (7712) is fixedly connected to a blocking plate (7714).

5. The display module COF chip bonding and dispensing structure according to claim 4, characterized in that: An auxiliary component (78) is provided at the top of the sliding frame (778), and the auxiliary component (78) includes a lifting frame (781) fixedly connected to the top of the sliding frame (778), one end of the lifting frame (781) passes through the circular shell (776) and extends to the outside of the circular shell (776), the top of the lifting frame (781) is rotatably connected to a rotating bar (782), and the end of the rotating bar (782) away from the lifting frame (781) is rotatably connected to a push plate (783), and the outer wall of the push plate (783) is slidably connected to the inner wall of the blocking shell (775).

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