CN213635907U - COF gold tin hot pressing frock for eutectic - Google Patents

Abstract

The utility model discloses a COF gold tin hot pressing frock for eutectic, the on-line screen storage device comprises a base, the upper end middle part fixedly connected with heating device of base, the upper end left part and the equal fixedly connected with backup pad in upper end right part of base, two common fixedly connected with roof between the upper end of backup pad, equal common fixedly connected with guide bar between the opposite face left part and the opposite face right part of roof and base, the upper end middle part of roof alternates swing joint and has pressure device, right side the right-hand member middle part fixedly connected with controller of backup pad, the equal fixedly connected with supporting legs in lower extreme four corners of base. A COF gold tin hot pressing frock for eutectic, through setting up heating device and controller, the adjusting device's of being convenient for heating temperature is convenient for dismantle the change to last hot pressboard and lower hot pressboard, through setting up pressure device, has improved the stability and the accurate nature of device, has guaranteed the quality of product.

Description

COF gold tin hot pressing frock for eutectic

Technical Field

The utility model relates to a hot pressing frock technical field, in particular to COF gold tin hot pressing frock for eutectic.

Background

The COF tool of semiconductor integrated circuit, often called as chip on film tool, is a technology of fixing the driving IC on the soft film packaging of the crystal grain on the flexible circuit board, it is a technology of using the soft additional circuit board as the packaging chip carrier to joint the chip and the flexible substrate circuit, the COF tool process usually uses the heating pressing plate to heat and press the circuit connection point or the bonding pad on the IC and the soft film circuit board, and joints them, because the connection point or the bonding pad is directly jointed with the connection point of the soft film downward when the IC is jointed, it does not wire bonding, so called as the chip on film tool, but the existing COF uses the hot pressing tool to have the following disadvantages: 1. the upper hot pressing plate and the lower hot pressing plate can not be disassembled and replaced, the processing efficiency of products is influenced, temperature adjustment can not be carried out according to different products, and the use is very inconvenient; 2. the stability of the device is poor, so that the upper hot pressing plate is easy to deviate when the hot pressing tool is used for hot pressing a product, the processing accuracy of the product is influenced, and the quality of the product is reduced; therefore, we provide a hot-pressing tool for COF gold-tin eutectic.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a COF gold tin hot pressing frock for eutectic can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a COF gold tin hot pressing frock for eutectic, includes the base, the upper end middle part fixedly connected with heating device of base, the equal fixedly connected with backup pad of upper end left part and the upper end right part of base, two common fixedly connected with roof between the upper end of backup pad, equal common fixedly connected with guide bar between the opposite face left part of roof and base and the opposite face right part, the upper end middle part of roof alternates swing joint and has pressure device, right side the right-hand member middle part fixedly connected with controller of backup pad, the equal fixedly connected with supporting legs in lower extreme four corners of base.

Preferably, heating device includes the mounting panel, hot pressboard under the upper end middle part fixedly connected with of mounting panel, the mounting hole has all been opened in the upper end four corners of mounting panel, four equal threaded connection has a bolt in the mounting hole, the lower extreme of mounting panel is through the upper end fixed connection of four bolts and bases.

Preferably, pressure device includes the pneumatic cylinder, the upper end and the fixedly connected with push rod of roof are run through to the output of pneumatic cylinder, the lower extreme fixedly connected with fixed plate of push rod, the equal threaded connection in upper end four corners of fixed plate has No. two bolts, the lower extreme of fixed plate is through No. four No. two bolt fixedly connected with limiting plates, hot pressboard on the lower extreme middle part fixedly connected with of limiting plate, the fixedly connected with position sleeve all alternates in the upper end left part and the upper end right part of limiting plate.

Preferably, go up the upper end middle part fixedly connected with briquetting of hot pressboard, open the upper end middle part of hot pressboard down and have the standing groove, go up the equal fixedly connected with temperature-sensing ware in right-hand member middle part of hot pressboard and the right-hand member middle part of lower hot pressboard, the front end of going up the hot pressboard and the front end of lower hot pressboard all alternate a plurality of heating pipe of fixedly connected with.

Preferably, the middle parts of the upper ends of the two positioning sleeves are respectively and movably connected with the outer surfaces of the two corresponding guide rods in an inserting manner, and the upper hot pressing plate is positioned right above the lower hot pressing plate.

Preferably, the heating pipes and the two temperature sensors are electrically connected with a controller.

Compared with the prior art, the utility model discloses following beneficial effect has:

the heating device and the controller are arranged, the temperature of the upper hot pressing plate and the temperature of the lower hot pressing plate can be sensed through the temperature sensor, the heating temperature of the heating pipe can be adjusted through the controller, the heating device is suitable for processing products with different specifications, the application range is expanded, the upper hot pressing plate and the lower hot pressing plate can be conveniently detached and replaced through the first bolt and the second bolt, and the processing efficiency of the products is improved;

two, through setting up pressure device, drive the work piece of hot pressboard on to hot pressboard down through the pneumatic cylinder and carry out hot pressing frock, the rethread guide bar carries on spacingly to the limiting plate, has improved the stability when going up the hot pressboard and removing, has improved the accurate nature of product price, has guaranteed the production quality of product, has improved the qualification rate of product.

Drawings

Fig. 1 is a schematic view of the overall structure of a COF au sn eutectic hot-pressing tool of the present invention;

fig. 2 is a schematic structural view of a heating device of a COF au sn eutectic hot-pressing tool of the present invention;

fig. 3 is a schematic structural view of a pressing device of a hot-pressing tool for COF eutectic crystal according to the present invention;

fig. 4 is the utility model relates to a COF gold tin is lower hot pressboard and the structural sketch of last hot pressboard of hot pressing frock for eutectic.

In the figure: 1. a base; 2. a heating device; 3. a support plate; 4. a guide bar; 5. a top plate; 6. a pressurizing device; 7. a controller; 8. supporting legs; 9. a temperature sensor; 10. heating a tube; 21. mounting a plate; 22. mounting holes; 23. a first bolt; 24. a lower hot pressing plate; 25. a placement groove; 61. a hydraulic cylinder; 62. A push rod; 63. a fixing plate; 64. a limiting plate; 65. an upper hot pressing plate; 66. a second bolt; 67. a positioning sleeve; 68. and (7) briquetting.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a COF gold tin hot pressing frock for eutectic crystal, including base 1, base 1's upper end middle part fixedly connected with heating device 2, base 1's the equal fixedly connected with backup pad 3 in upper end left part and the upper end right part, common fixedly connected with roof 5 between the upper end of two backup pads 3, equal common fixedly connected with guide bar 4 between roof 5 and base 1's the opposite face left part and the opposite face right part, the upper end middle part of roof 5 alternates swing joint and has pressure device 6, the right-hand member middle part fixedly connected with controller 7 of right side backup pad 3, the equal fixedly connected with supporting legs 8 in lower extreme four corners of base 1.

The heating device 2 comprises an installation plate 21, a lower hot pressing plate 24 is fixedly connected to the middle of the upper end of the installation plate 21, installation holes 22 are formed in four corners of the upper end of the installation plate 21, first bolts 23 are connected to the four installation holes 22 in a threaded mode, the lower end of the installation plate 21 is fixedly connected with the upper end of the base 1 through the four first bolts 23, and the lower hot pressing plate 24 can be conveniently installed and detached through the first bolts 23; the pressurizing device 6 comprises a hydraulic cylinder 61, the output end of the hydraulic cylinder 61 penetrates through the upper end of the top plate 5 and is fixedly connected with a push rod 62, the lower end of the push rod 62 is fixedly connected with a fixing plate 63, four corners of the upper end of the fixing plate 63 are all in threaded connection with second bolts 66, the mounting and dismounting of an upper hot pressing plate 65 are facilitated through the second bolts 66, the lower end of the fixing plate 63 is fixedly connected with a limiting plate 64 through the four second bolts 66, the middle part of the lower end of the limiting plate 64 is fixedly connected with the upper hot pressing plate 65, and the left part and the right part of the upper end of the limiting; the middle part of the upper end of the upper hot pressing plate 65 is fixedly connected with a pressing block 68, the middle part of the upper end of the lower hot pressing plate 24 is provided with a placing groove 25, the middle parts of the right end of the upper hot pressing plate 65 and the right end of the lower hot pressing plate 24 are both fixedly connected with a temperature sensor 9, the temperature sensors 9 can sense the temperatures of the upper hot pressing plate 65 and the lower hot pressing plate 24 and generate the temperatures on a display screen of the controller 7, so that a worker can conveniently adjust the temperatures, and the front ends of the upper hot pressing plate 65 and the lower hot pressing plate 24 are fixedly connected with a plurality of heating pipes 10 in an inserting manner; the middle parts of the upper ends of the two positioning sleeves 67 are respectively inserted and movably connected with the outer surfaces of the two corresponding guide rods 4, the guide rods 4 limit the position of the position limiting plate 64, the stability of the upper hot pressing plate 65 during movement is improved, and the machining accuracy is ensured, the upper hot pressing plate 65 is positioned right above the lower hot pressing plate 24, so that the upper hot pressing plate 65 can conveniently perform hot pressing on a workpiece of the lower hot pressing plate 24; the heating pipes 10 and the two temperature sensors 9 are electrically connected with the controller 7, and the temperature of the heating pipes 10 can be controlled through the controller 7, so that the temperature can be conveniently adjusted.

It should be noted that, the utility model relates to a COF gold tin eutectic hot pressing frock for eutectic, when using, the user puts the COF product in the standing groove 25, then put the gold tin eutectic on the COF product, and then control heating pipe 10 through controller 7 and heat, temperature-sensing ware 9 transmits the temperature of sensing last hot pressing board 65 and lower hot pressing board 24 to controller 7, and show through the display screen in controller 7, the user can carry out temperature regulation according to COF product size, adjust the temperature of heating pipe 10 to suitable hot pressing temperature through controller 7, then start hydraulic cylinder 61, hydraulic cylinder 61 drives push rod 62 and fixed plate 63 and moves down, make limiting plate 64 drive last hot pressing board 65 together and move down, make briquetting 68 and COF product contact, hot-press the gold tin eutectic on the COF product, can accomplish COF product's processing, slide on guide bar 4 through position sleeve 67 simultaneously and carry out spacing to limiting plate 64, stability when having improved last hot pressboard 65 and removing has realized going up hot pressboard 65 and hot pressboard 24's accurate location down, has improved the processingquality of product, when hot pressboard 24 or last hot pressboard 65 damage down, through taking out a bolt 23 and No. two bolts 66, can dismantle the change to hot pressboard 24 and last hot pressboard 65 down, has improved the machining efficiency of product.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a COF gold tin hot pressing frock for eutectic, includes base (1), its characterized in that: the utility model discloses a heating device, including base (1), upper end middle part fixedly connected with heating device (2), the equal fixedly connected with backup pad (3) in upper end left part and the upper end right part of base (1), two common fixedly connected with roof (5) between the upper end of backup pad (3), equal common fixedly connected with guide bar (4) between opposite face left part and the opposite face right part of roof (5) and base (1), the upper end middle part of roof (5) alternates swing joint and has pressure device (6), right side the right-hand member middle part fixedly connected with controller (7) of backup pad (3), the equal fixedly connected with supporting legs (8) in lower extreme four corners of base (1).

2. The COF gold tin eutectic hot pressing tool according to claim 1, characterized in that: heating device (2) are including mounting panel (21), hot pressboard (24) under the upper end middle part fixedly connected with of mounting panel (21), mounting hole (22), four have all been opened in the upper end four corners of mounting panel (21) equal threaded connection has bolt (23) in mounting hole (22), the lower extreme of mounting panel (21) is through the upper end fixed connection of four bolt (23) and base (1).

3. The COF gold tin eutectic hot pressing tool according to claim 2, characterized in that: pressure device (6) include pneumatic cylinder (61), the output of pneumatic cylinder (61) runs through upper end and fixedly connected with push rod (62) of roof (5), the lower extreme fixedly connected with fixed plate (63) of push rod (62), the equal threaded connection in upper end four corners of fixed plate (63) has No. two bolts (66), the lower extreme of fixed plate (63) is through No. four bolts (66) fixedly connected with limiting plate (64), hot pressboard (65) on the lower extreme middle part fixedly connected with of limiting plate (64), fixedly connected with position sleeve (67) all alternates in the upper end left part and the upper end right part of limiting plate (64).

4. The COF gold tin eutectic hot pressing tool according to claim 3, characterized in that: go up upper end middle part fixedly connected with briquetting (68) of hot pressboard (65), open at the upper end middle part of hot pressboard (24) down has standing groove (25), go up the equal fixedly connected with temperature-sensing ware (9) in right-hand member middle part of hot pressboard (65) and the right-hand member middle part of lower hot pressboard (24), the front end of going up hot pressboard (65) and the front end of lower hot pressboard (24) all alternate a plurality of fixedly connected with heating pipe (10).

5. The COF gold tin eutectic hot pressing tool according to claim 3, characterized in that: the middle parts of the upper ends of the two positioning sleeves (67) are respectively inserted and movably connected with the outer surfaces of the two corresponding guide rods (4), and the upper hot pressing plate (65) is positioned right above the lower hot pressing plate (24).

6. The COF gold tin eutectic hot pressing tool according to claim 4, characterized in that: the heating pipes (10) and the two temperature sensors (9) are electrically connected with the controller (7).

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