Gluing device of die bonder

Abstract

The utility model relates to the field of die bonders, in particular to a gluing device of a die bonder. According to the gluing device of the die bonder, the glue spraying pipe and the roller can be replaced, the device is convenient to disassemble and assemble, the maintenance cost is reduced, and the utilization rate of the device is improved. A gluing device of a die bonder comprises a connecting frame, fixing frames, a bidirectional lead screw, a motor and glue spraying pipes, the left side and the right side of the connecting frame are connected with the front fixing frame and the rear fixing frame respectively, the bidirectional lead screw is rotationally connected between the rear fixing frames, the left side of the bidirectional lead screw is connected with the motor, and the glue spraying pipes are connected to the outer lower sides of the middles of connecting plates respectively. When the glue spraying pipe and the idler wheel are used for a long time and glue is adhered to the glue spraying pipe and the idler wheel and cannot be used normally, the connecting plate can be taken down by twisting the fixing screw, so that the glue spraying pipe and the idler wheel can be replaced, the glue spraying pipe and the idler wheel are convenient to disassemble and assemble, the maintenance cost is reduced, and the utilization rate of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of crystal bonding machines, in particular to a glue coating device for a crystal bonding machine. Background Art

[0002] A die bonder is a device used to cure glue or adhesive, also known as a curing device or curing machine. A die bonder is usually used to cure glue, adhesives or coatings, converting them from a liquid or semi-solid state to a solid state to achieve the purpose of bonding, fixing or coating. The die bonder glue coating device is a device used in semiconductor packaging production, mainly used to apply glue between the chip and the packaging substrate to fix the chip and improve the reliability of the package.

[0003] The existing glue coating device of the die bonding machine transports glue to the glue coating head, applies the glue to the chip surface through the glue coating head, and then solidifies the glue for production. Since the existing equipment can only disassemble the glue coating head, the glue spray hose and roller cannot be disassembled and replaced. When the glue spray hose and roller are damaged after long-term use, the entire equipment can only be replaced, and the maintenance cost is high.

[0004] Therefore, it is necessary to design a glue coating device for a die bonding machine that can replace the glue spraying hose and the roller, is easy to disassemble and install, reduces maintenance costs, and improves the utilization rate of the device. Utility Model Content

[0005] In order to overcome the shortcomings of the existing glue coating device for a crystal bonder that only the glue coating head can be disassembled but the glue spray hose and the roller cannot be disassembled and replaced, and when the glue spray hose and the roller are damaged after long-term use, the entire equipment can only be replaced, resulting in high maintenance costs. The technical problem of the utility model is to provide a glue coating device for a crystal bonder that can replace the glue spray hose and the roller, is easy to disassemble and install, reduces maintenance costs, and improves the utilization rate of the device.

[0006] The technical implementation scheme of the utility model is: a glue coating device for a crystal bonding machine, including a connecting frame, a fixing frame, a bidirectional screw, a motor and a glue spraying hose, the left and right sides of the connecting frame are connected to two front and rear fixing frames, a bidirectional screw is rotatably connected between the rear fixing frames, the left side of the bidirectional screw is connected to the motor, and the lower outer side of the middle part of the connecting plate is connected to the glue spraying hose.

[0007] More preferably, a guide rod is connected between the front fixing frames, and the guide fixing bracket is slidably connected to the guide rod.

[0008] More preferably, the glue spray hose is made of stainless steel, which has excellent corrosion resistance and can resist erosion by chemical substances.

[0009] More preferably, it also includes a guide fixing bracket, a connecting column, a connecting plate and a fixing screw. The guide fixing bracket is connected to the bidirectional screw rod through a thread. The middle part of the guide fixing bracket is connected to a connecting column. The lower part of the connecting column is clamped with a connecting plate. The front and rear sides of the connecting plate are connected to the fixing screws through threads, and the fixing screws are connected to the guide fixing bracket through threads.

[0010] More preferably, a heating wire is further included. The inner side of the glue spraying tube is connected with the heating wire, and the glue is heated by the heating wire to promote the adhesion of the glue.

[0011] More preferably, it also includes a guide telescopic frame, a spring, a roller and an ultraviolet lamp, the lower part of the connecting plate is connected to the front and rear guide telescopic frames, the guide telescopic frames and the connecting plate are connected with springs, the lower parts of the guide telescopic frames are rotatably connected with rollers, and the lower inner side of the middle part of the connecting plate is connected to an ultraviolet lamp.

[0012] The beneficial effects of the utility model are as follows: 1. When the glue spray hose and the roller are used for a long time and the glue sticks to the glue spray hose and the roller and cannot be used normally, the connecting plate can be removed by twisting the fixing screws, so that the glue spray hose and the roller can be replaced, which is convenient for disassembly and installation, reduces maintenance costs, and improves the utilization rate of the device.

[0013] 2. The utility model guides the fixed bracket to move left and right, and then uses a glue spraying tube to spray glue on the chip, which drives the roller to move left and right to evenly apply the glue. After application, the glue is cured by an ultraviolet lamp. The glue spraying tubes, rollers and ultraviolet lamps on the left and right sides operate simultaneously to apply glue to the chip, thereby improving the efficiency of gluing and the efficiency of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the utility model.

[0016] Figure 3 This is a schematic diagram of a first partial three-dimensional structure of the utility model.

[0017] Figure 4 This is a schematic diagram of the second three-dimensional structure of the utility model.

[0018] The numbers in the figure are as follows: 1-connecting frame, 2-fixing frame, 3-bidirectional screw rod, 4-motor, 5-guide fixing bracket, 6-connecting column, 7-connecting plate, 8-fixing screw, 9-spraying hose, 10-heating wire, 11-guide telescopic frame, 12-spring, 13-roller, 14-ultraviolet lamp. DETAILED DESCRIPTION

[0019] The technical solution is further described below in conjunction with specific embodiments. It should be noted that the words indicating directions such as up, down, left, and right mentioned in this article are only for the position of the structure shown in the corresponding drawings. The serial numbers of the parts in this article, such as first, second, etc., are only used to distinguish the objects described and do not have any order or technical meaning. The words such as connection and coupling in this application include direct and indirect connection (coupling) unless otherwise specified.

[0020] A glue coating device for a die bonder, such as Figure 1-Figure 4 As shown, it includes a connecting frame 1, a fixing frame 2, a bidirectional screw rod 3, a motor 4 and a glue spraying hose 9. The left and right sides of the connecting frame 1 are connected to the front and rear fixing frames 2. A guide rod is connected between the front fixing frames 2. A bidirectional screw rod 3 is rotatably connected between the rear fixing frames 2. The left side of the bidirectional screw rod 3 is connected to the motor 4. The lower outer side of the middle part of the connecting plate 7 is connected to the glue spraying hose 9. The glue spraying hose 9 is made of stainless steel and has excellent corrosion resistance. It also includes a guide fixing bracket 5, a connecting column 6, a connecting plate 7 and a fixing screw 8. The guide fixing bracket 5 is threadedly connected to the bidirectional screw rod 3. The guide fixing bracket 5 is slidably connected to the guide rod. The middle part of the guide fixing bracket 5 is connected to a connecting column. 6. The lower part of the connecting column 6 is clamped with a connecting plate 7. The front and rear sides of the connecting plate 7 are connected with fixing screws 8 through threads. The fixing screws 8 are connected to the guide fixing bracket 5 through threads. It also includes a heating wire 10. The inner side of the glue spraying tube 9 is connected with the heating wire 10. The glue is heated by the heating wire 10 to promote the adhesion of the glue. It also includes a guide telescopic frame 11, a spring 12, a roller 13 and an ultraviolet lamp 14. The lower part of the connecting plate 7 is connected with two front and rear guide telescopic frames 11. The guide telescopic frames 11 and the connecting plate 7 are connected with springs 12. The lower parts of the guide telescopic frames 11 are rotatably connected with rollers 13. The lower inner side of the middle part of the connecting plate 7 is connected with an ultraviolet lamp 14.

[0021] When it is necessary to use a crystal bonder to glue the chip, this device can be used. The connecting frame 1 is installed on the crystal bonder equipment by bolts, and the connecting column 6 is clamped through the guide fixing bracket 5. Then the connecting plate 7 is installed on the guide fixing bracket 5 by fixing screws 8. Then the chip is pushed to the bottom of the rollers 13 on the left and right sides respectively, and glue is injected into the glue spraying tube 9, and then the glue is heated by the heating wire 10 to promote the adhesion of the glue. Then the motor 4 is started, and the bidirectional screw rod 3 is driven to rotate by the motor 4. Under the action of the thread, the guide fixing bracket 5 moves left and right along the guide rod, and then the glue spraying tube 9 is used to spray glue on the chip. When the guide fixing bracket 5 moves left and right, it will also drive the roller 13 to contact the chip, and the guide telescopic frame 11 will shrink upward, and the spring 12 will be squeezed, thereby driving the guide telescopic frame 11 to move upward. The roller 13 on the retractable frame 11 moves left and right to evenly apply the glue on the surface of the chip. After applying, the glue is cured by the ultraviolet lamp 14 to form a strong adhesive layer, so that the bonded parts are firmly connected together. The glue spraying tube 9, the roller 13 and the ultraviolet lamp 14 on the left and right sides operate simultaneously to apply glue to the chip, which improves the efficiency of gluing and the efficiency of production. After the gluing is completed, the motor 4 is turned off, the roller 13 is separated from the chip, the spring 12 rebounds, and the guide telescopic frame 11 is reset. When the glue spraying tube 9 and the roller 13 are used for a long time and the glue sticks to the glue spraying tube 9 and the roller 13 and cannot be used normally, the connecting plate 7 can be removed by twisting the fixing screw 8, so that the glue spraying tube 9 and the roller 13 can be replaced, which is convenient for disassembly and installation, reduces maintenance costs, and improves the utilization rate of the device.

[0022] The above is a detailed introduction to the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A glue coating device for a die bonder, characterized by: The invention comprises a connecting frame (1), a fixing frame (2), a bidirectional screw rod (3), a motor (4) and a glue spraying hose (9), wherein the connecting frame (1) is connected to two front and rear fixing frames (2) on both left and right sides, a bidirectional screw rod (3) is rotatably connected between the rear fixing frames (2), a motor (4) is connected to the left side of the bidirectional screw rod (3), and a glue spraying hose (9) is connected to the lower outer side of the middle part of the connecting plate (7); a guide rod is connected between the front fixing frames (2), and a guide fixing bracket (5) is slidably connected to the guide rod; the invention also comprises a guide fixing bracket (5), a connecting column (6), a connecting plate (7) and a fixing screw (8), the bidirectional screw rod (3) is connected to the guide fixing bracket (5) by threading, the middle part of the guide fixing bracket (5) is connected to the connecting column (6), the lower part of the connecting column (6) is clamped with the connecting plate (7), the front and rear sides of the connecting plate (7) are connected to the fixing screw (8) by threading, and the fixing screw (8) is connected to the guide fixing bracket (5) by threading.

2. The glue coating device for a die bonder according to claim 1, characterized in that: The glue spraying hose (9) is made of stainless steel.

3. The glue coating device for a die bonder according to claim 2, characterized in that: It also includes a heating wire (10), the inner side of the glue spraying tube (9) is connected to the heating wire (10), and the glue is heated by the heating wire (10) to promote the adhesion of the glue.

4. The glue coating device for a die bonder according to claim 3, characterized in that: The invention also comprises a guide telescopic frame (11), a spring (12), a roller (13) and an ultraviolet lamp (14); the lower part of the connecting plate (7) is connected to the two front and rear guide telescopic frames (11); the spring (12) is connected between the guide telescopic frame (11) and the connecting plate (7); the lower parts of the guide telescopic frames (11) are rotatably connected to the roller (13); and the ultraviolet lamp (14) is connected to the lower inner side of the middle part of the connecting plate (7).

Images