CN220292286U

CN220292286U - Cof binding device

Info

Publication number: CN220292286U
Application number: CN202321872180.3U
Authority: CN
Inventors: 陈萍; 王广民; 刘世平; 杨静
Original assignee: Nanjing Haojun Electrical Technology Co ltd
Current assignee: Nanjing Haojun Electrical Technology Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-02
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a cof binding device, which comprises a mounting base, wherein one side of the top of the mounting base is fixedly connected with a binding table of cof, the other side of the top of the mounting base is fixedly connected with a material taking table, both sides of the top of the mounting base are fixedly connected with supporting plates, a bearing box is fixedly connected between the tops of the two supporting plates, the bearing box is provided with a mounting frame through a driving mechanism, the inner wall of the mounting frame is fixedly connected with a telescopic rod, and the bottom end of the telescopic rod is provided with a material taking sucker through a debugging mechanism. According to the cof binding device, through the arrangement of the debugging mechanism, when the pressure between the chip and the substrate reaches a set value, the ejector rod triggers the control switch to act so as to stop the telescopic rod, and when the chip and the substrate are bound, the pressure is in a proper range, so that the yield of a finished product and the overall quality of the finished product are effectively improved.

Description

Cof binding device

Technical Field

The utility model relates to the technical field of processing of flip chip films, in particular to a cof binding device.

Background

COF is commonly called flip chip film, which is a die attach film packaging technology for fixing an Integrated Circuit (IC) on a flexible circuit board, and combines a chip with a flexible substrate circuit by using a flexible attach circuit board as a package chip carrier, or a flexible attach circuit board of a single-finger unpackaged chip, including tape-in-package (TAB substrate, its manufacturing process is called TCP), a flexible board connection chip assembly, and a flexible IC carrier package. In the binding process of the flip chip film, when the chip is bound to the substrate, the bonding pressure is too high, so that the damage of the chip and the substrate is easily caused, the yield of finished products is influenced, the bonding pressure is too low, and the offset easily occurs in the later stage, so that the overall quality of the finished products is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a cof binding device, which solves the problems that when a chip is bound to a substrate in the binding process of a flip chip film, the damage of the chip and the substrate is easily caused by excessive binding pressure, the yield of a finished product is influenced, the binding pressure is too small, and the whole quality of the finished product is easily influenced by offset in the later stage.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a cof binds device, includes the installation base, the binding table of cof is bound to one side fixedly connected with at installation base top, the opposite side fixedly connected with at installation base top gets the material platform, the equal fixedly connected with backup pad in both sides at installation base top, two fixedly connected with bears the case between the top of backup pad, it is provided with the installing frame to bear the case through actuating mechanism, the inner wall fixedly connected with telescopic link of installing frame, the bottom of telescopic link is provided with through debugging mechanism and gets the material sucking disc.

Preferably, the debugging mechanism comprises a mounting box, the bottom fixed connection of mounting box and telescopic link, the bottom sliding connection of mounting box has the ejector pin, the bottom of ejector pin and the top fixed connection of getting the material sucking disc, the ejector pin runs through the mounting box and extends to the inside of mounting box.

Preferably, the top fixedly connected with control switch of installation incasement wall, control switch passes through wire and telescopic link electric connection, the fixed surface of ejector pin connects the spacing ring, the top of spacing ring just is located the fixed surface of ejector pin and is connected with pretension spring, be provided with the debugging subassembly between pretension spring's top and the installation case.

Preferably, the debugging assembly comprises a movable ring, the movable ring is sleeved on the surface of the ejector rod and is in sliding connection with the ejector rod, the bottom of the movable ring is fixedly connected with the top end of the pre-tightening spring, two connecting plates are fixedly connected between the movable rings, an adjusting screw is rotatably connected to the top of each connecting plate, and the adjusting screw penetrates through the mounting box and is in threaded connection with the mounting box.

Preferably, the driving mechanism comprises a driving motor, the driving motor is fixedly connected with one side of the bearing box, the output end of the driving motor is fixedly connected with a threaded rod, the threaded rod penetrates through the bearing box and extends to the inside of the bearing box, the surface of the threaded rod is in threaded connection with a threaded sleeve, and the threaded sleeve is fixedly connected with the mounting frame through a connecting block.

Preferably, the top fixedly connected with locating lever of binding the platform, get the surface of material sucking disc and run through and offered the constant head tank with locating lever looks adaptation.

Advantageous effects

The utility model provides a cof binding device. Compared with the prior art, the method has the following beneficial effects:

(1) This cof binds device, bind cof's binding table through one side fixedly connected with at installation base top, the opposite side fixedly connected with at installation base top gets the material platform, the equal fixedly connected with backup pad in both sides at installation base top, fixedly connected with bears the case between the tops of two backup pads, it is provided with the installing frame through actuating mechanism to bear the case, the inner wall fixedly connected with telescopic link of installing frame, the bottom of telescopic link is provided with through debugging mechanism and gets the material sucking disc, the top fixedly connected with locating lever of binding the platform, get the constant head tank with locating lever looks adaptation has been offered in the surface penetration of material sucking disc, through actuating mechanism's setting, make things convenient for the snatching of material, effectively improve binding efficiency, simultaneously through the cooperation of locating lever and constant head tank, make things convenient for the alignment of material, be favorable to the promotion of binding quality.

(2) This cof binds device, including the mounting box through debugging mechanism, the bottom fixed connection of mounting box and telescopic link, the bottom sliding connection of mounting box has the ejector pin, the bottom of ejector pin and the top fixed connection of getting the material sucking disc, the ejector pin runs through the mounting box and extends to the inside of mounting box, the top fixedly connected with control switch of mounting box inner wall, control switch passes through wire and telescopic link electric connection, the fixed surface of ejector pin connects the spacing ring, the top of spacing ring just is located the fixed surface of ejector pin and is connected with pretension spring, be provided with the debugging subassembly between pretension spring's top and the mounting box, through the setting of debugging mechanism, when the pressure between chip and the base plate reaches the setting value, the ejector pin triggers the control switch action and makes the telescopic link stop action, when making chip and the base plate bind, the pressure is in suitable scope, effectively promote the yields of finished product and the whole quality of finished product.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the debug mechanism of the present utility model;

FIG. 3 is a perspective view of a take-out suction cup of the present utility model;

fig. 4 is a perspective view of the mounting frame of the present utility model.

In the figure: 1 mounting base, 2 binding table, 3 get material platform, 4 actuating mechanism, 41 driving motor, 42 threaded rod, 43 screw sleeve, 5 debugging mechanism, 51 mounting box, 52 ejector pin, 53 control switch, 54 spacing ring, 55 debugging subassembly, 551 expansion ring, 552 connecting plate, 553 accommodate the lead screw, 56 pretension spring, 6 backup pad, 7 bear the weight of case, 8 installation frame, 9 telescopic links, 10 get material sucking disc, 11 locating lever, 12 constant head tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides two technical solutions: a cof binding device, comprising in particular the following embodiments:

example 1

The cof binding device comprises a mounting base 1, a binding table 2 of a binding cof is fixedly connected to one side of the top of the mounting base 1, a material taking table 3 is fixedly connected to the other side of the top of the mounting base 1, support plates 6 are fixedly connected to two sides of the top of the mounting base 1, a bearing box 7 is fixedly connected between the tops of the two support plates 6, a mounting frame 8 is arranged on the bearing box 7 through a driving mechanism 4, the driving mechanism 4 comprises a driving motor 41, the driving motor 41 has a forward and reverse rotation function, is connected with a control system and a power supply through a wire, the driving motor 41 is fixedly connected with one side of the bearing box 7, the output end of the driving motor 41 is fixedly connected with a threaded rod 42, the threaded rod 42 penetrates through the bearing box 7 and extends into the bearing box 7, a threaded sleeve 43 is connected to the surface of the threaded rod 42 in a threaded manner, the threaded sleeve 43 is fixedly connected with the mounting frame 8 through a connecting block, the inner wall of the mounting frame 8 is fixedly connected with a telescopic rod 9, the telescopic rod 9 is an electric telescopic rod and is connected with a control system and a power supply through a wire, the bottom end of the telescopic rod 9 is provided with a material taking sucker 10 through a debugging mechanism 5, the top of the binding table 2 is fixedly connected with a positioning rod 11, the surface of the material taking sucker 10 is penetrated and provided with a positioning groove 12 matched with the positioning rod 11, the debugging mechanism 5 comprises a mounting box 51, the mounting box 51 is fixedly connected with the bottom end of the telescopic rod 9, the bottom of the mounting box 51 is slidably connected with a push rod 52, the bottom end of the push rod 52 is fixedly connected with the top of the material taking sucker 10, the push rod 52 penetrates the mounting box 51 and extends to the inside of the mounting box 51, the top of the inner wall of the mounting box 51 is fixedly connected with a control switch 53, the control switch 53 is connected with the telescopic rod 9 through the wire, when the control switch 53 is triggered, the telescopic rod 9 stops moving, the control switch 53 is electrically connected with the telescopic rod 9 through a wire, the surface of the ejector rod 52 is fixedly connected with a limiting ring 54, the top of the limiting ring 54 is fixedly connected with a pre-tightening spring 56 on the surface of the ejector rod 52, and a debugging assembly 55 is arranged between the top end of the pre-tightening spring 56 and the installation box 51.

Example 2

The cof binding device comprises a mounting base 1, a binding table 2 of a binding cof is fixedly connected to one side of the top of the mounting base 1, a material taking table 3 is fixedly connected to the other side of the top of the mounting base 1, support plates 6 are fixedly connected to two sides of the top of the mounting base 1, a bearing box 7 is fixedly connected between the tops of the two support plates 6, a mounting frame 8 is arranged on the bearing box 7 through a driving mechanism 4, the driving mechanism 4 comprises a driving motor 41, the driving motor 41 has a forward and reverse rotation function, is connected with a control system and a power supply through a wire, the driving motor 41 is fixedly connected with one side of the bearing box 7, the output end of the driving motor 41 is fixedly connected with a threaded rod 42, the threaded rod 42 penetrates through the bearing box 7 and extends into the bearing box 7, a threaded sleeve 43 is connected to the surface of the threaded rod 42 in a threaded manner, the threaded sleeve 43 is fixedly connected with the mounting frame 8 through a connecting block, the inner wall of the mounting frame 8 is fixedly connected with a telescopic rod 9, the telescopic rod 9 is an electric telescopic rod and is connected with a control system and a power supply through a wire, the bottom end of the telescopic rod 9 is provided with a material taking sucker 10 through a debugging mechanism 5, the top of the binding table 2 is fixedly connected with a positioning rod 11, the surface of the material taking sucker 10 is penetrated and provided with a positioning groove 12 matched with the positioning rod 11, the debugging mechanism 5 comprises a mounting box 51, the mounting box 51 is fixedly connected with the bottom end of the telescopic rod 9, the bottom of the mounting box 51 is slidably connected with a push rod 52, the bottom end of the push rod 52 is fixedly connected with the top of the material taking sucker 10, the push rod 52 penetrates the mounting box 51 and extends to the inside of the mounting box 51, the top of the inner wall of the mounting box 51 is fixedly connected with a control switch 53, the control switch 53 is connected with the telescopic rod 9 through the wire, when the control switch 53 is triggered, the telescopic rod 9 stops moving, the control switch 53 passes through wire and telescopic link 9 electric connection, the fixed surface of ejector pin 52 connects spacing ring 54, the top of spacing ring 54 just is located the fixed surface of ejector pin 52 and is connected with pretension spring 56, be provided with debugging subassembly 55 between pretension spring 56's top and the mounting box 51, debugging subassembly 55 includes the loose ring 551, the loose ring 551 cover is established on ejector pin 52's surface and with ejector pin 52 sliding connection, the bottom of loose ring 551 and the top fixed connection of pretension spring 56, fixedly connected with connecting plate 552 between two loose rings 551, the top rotation of connecting plate 552 is connected with accommodate the lead screw 553, the one end fixedly connected with adjusting hand wheel that accommodate the lead screw 553 is located the mounting box 51 outside, accommodate the lead screw 553 runs through mounting box 51 and with mounting box 51 threaded connection.

When the device is used, a substrate is placed on the binding table 2, a chip is placed on the material taking table 3, the driving motor 41 and the telescopic rod 9 are opened through the control panel, the driving motor 41 works to drive the threaded rod 42 to rotate, the threaded rod 42 rotates to drive the material taking sucker 10 to move through the threaded sleeve 43 and the mounting frame 8, when the material taking sucker 10 moves to the position right above the material taking table 3, the driving motor 41 stops working, the telescopic rod 9 stretches to push the material taking sucker 10 to move downwards to take the material, the driving motor 41 stops working after the telescopic rod 9 is reversely rotated to drive the material taking sucker 10 to move to the position right above the binding table 2, the telescopic rod 9 stretches to push the material taking sucker 10 to move to place the chip on the substrate, after the chip is contacted with the substrate, the material taking sucker 10 pushes the ejector rod 52 to drive the limiting ring 54 to compress the pre-tightening spring 56, when the pressure between the chip and the substrate reaches a set value, the ejector rod 52 triggers the control switch 53, the control switch 53 acts the telescopic rod 9 to stop stretching, and after the binding of the chip and the substrate is completed by the worker operation.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cof binding device comprising a mounting base (1), characterized in that: one side fixedly connected with of installation base (1) top is bound cof and is bound platform (2), the opposite side fixedly connected with at installation base (1) top gets material platform (3), the equal fixedly connected with backup pad (6) in both sides at installation base (1) top, two fixedly connected with bears case (7) between the top of backup pad (6), bear case (7) and be provided with installing frame (8) through actuating mechanism (4), the inner wall fixedly connected with telescopic link (9) of installing frame (8), the bottom of telescopic link (9) is provided with through debugging mechanism (5) and gets material sucking disc (10).

2. A cof binding according to claim 1, wherein: the debugging mechanism (5) comprises a mounting box (51), the mounting box (51) is fixedly connected with the bottom end of the telescopic rod (9), a push rod (52) is slidably connected to the bottom of the mounting box (51), the bottom end of the push rod (52) is fixedly connected with the top of the material taking sucker (10), and the push rod (52) penetrates through the mounting box (51) and extends to the inside of the mounting box (51).

3. A cof binding according to claim 2, wherein: the top fixedly connected with control switch (53) of installing box (51) inner wall, control switch (53) pass through wire and telescopic link (9) electric connection, fixed surface of ejector pin (52) connects spacing ring (54), the top of spacing ring (54) and be located fixed surface of ejector pin (52) are connected with pretension spring (56), be provided with debugging subassembly (55) between the top of pretension spring (56) and installing box (51).

4. A cof binding according to claim 3, wherein: the debugging subassembly (55) is including expansion ring (551), expansion ring (551) cover establish at the surface of ejector pin (52) and with ejector pin (52) sliding connection, the bottom of expansion ring (551) and the top fixed connection of pretension spring (56), two fixedly connected with connecting plate (552) between expansion ring (551), the top rotation of connecting plate (552) is connected with accommodate the lead screw (553), accommodate the lead screw (553) run through install bin (51) and with install bin (51) threaded connection.

5. A cof binding according to claim 1, wherein: the driving mechanism (4) comprises a driving motor (41), the driving motor (41) is fixedly connected with one side of the bearing box (7), the output end of the driving motor (41) is fixedly connected with a threaded rod (42), the threaded rod (42) penetrates through the bearing box (7) and extends to the inside of the bearing box (7), the surface thread of the threaded rod (42) is connected with a thread sleeve (43), and the thread sleeve (43) is fixedly connected with the mounting frame (8) through a connecting block.

6. A cof binding according to claim 1, wherein: the top fixedly connected with locating lever (11) of binding platform (2), get material the surface of sucking disc (10) and run through offered with locating slot (12) of locating lever (11) looks adaptation.