TWI649817B - Scraper box - Google Patents

Abstract

The present invention provides a squeegee ball box, which comprises a box body and at least one squeegee unit, the inside of the box body has an accommodating space, and the bottom of the box body has an opening, and the opening communicates with the accommodating space. The blade unit is disposed on the casing, and the bottom of the blade unit forms at least one blade. The blade of the present blade is used to block the conductive ball of the ball hole on a guiding plate. Pulling off the ball holes to maintain the integrity of the conductive balls can prevent the conductive balls from being cut by the box due to being stuck in the ball holes, thereby reducing the breakage or chipping of the conductive balls. Or the conductive balls are plucked by the squeegee units to assist the conductive balls to fall into the ball holes, thereby increasing the probability that the conductive balls fall into the ball holes.

Description

Scraper box

The present invention provides a doctor blade box, and more particularly to a blade box that can be used to move a stuck conductive ball.

Existing semiconductor packages tend to be miniaturized, and the area of the package is shrinking. The metal pins of the package are also required to be finer in the area where the electronic device is gradually reduced, thereby generating a ball grid array package (BGA). Technology, BGA technology is to use a plurality of conductive balls to fill a circuit board and fix the conductive balls on the circuit board, the conductive balls can be used as pins to achieve the function of telecommunications transmission, and replaced by the conductive balls. Metal wires not only reduce the area required for the pins, but also reduce the length of the pins to provide faster transmission of telecommunication. The existing methods for manufacturing BGA conductive ball pins mainly use solder paste printing and ball placement technology. Among them, the mainstream ball-planting technology is divided into two mainstream technologies: Pick and Place and Print Ball.

In the above, as shown in FIG. 13, the printing ball-planting technique is flatly attached to a printing plate 92 by a ball box 91 containing a plurality of conductive balls 90. The bottom of the ball box 91 has an opening 93, and the printing plate 92 There is a plate member 94 on the lower side of the plate member 94. The plate member 94 has a plurality of welding points 95. The printing plate 92 has a plurality of ball-removing holes 96 corresponding to the welding points 95. When the ball box 91 is used When the printing plate 92 slides, the conductive balls 90 in the ball box 91 are pushed by the wall of the ball box 91 to move on the printing plate 92, and the conductive balls 90 are pushed from the ball during the process. The opening 93 of the box 91 falls into the falling holes 96 of the printing plate 92, and the conductive balls 90 falling into the falling holes 96 are correspondingly located above the soldering points 95, when the ball box 91 slides The printing plate 92 is removed and the conductive balls 90 are located on the solder joints 95 to complete the ball placement process.

However, in the printing ball placement technique, if the ball box 91 is stuck during the sliding process, the conductive balls 90 in the ball box 91 are stuck in the ball hole 96 of the printing plate 92, the ball box A relative cutting force is generated between the 91 and the printing plate 92. If the conductive balls 90 are stuck on the ball holes 96 of the printing plate 92 and cannot be pushed by the ball box 91, the conductive signals are stuck. The ball 90 may be sheared by the cutting force of the ball box 91, causing the stuck conductive balls 90 to be broken or broken, which may affect the damage of the machine, the short circuit of the electric appliance or the defective product, and the ball is transmitted through the ball. The box 91 slides and the wall of the ball box 91 pushes the conductive balls 90 to move. The driving force for the conductive balls 90 is too small, and the distance at which the conductive balls 90 can be pushed is limited, causing the conductive balls 90 to fall into the space. The probability of the ball holes 96 is low, causing the problem that the solder joints 95 are less likely to miss the conductive balls 90.

The main purpose of this creation is to provide a scraper ball box, so as to improve the existing ball box to shear the stuck conductive ball, causing the conductive ball to be broken or broken, which affects the subsequent operation, and the wall of the ball box pushes the conductive ball Movement, the conductive ball has a limited moving distance, resulting in a high leak rate of the solder joint.

In order to achieve the foregoing, the present invention includes: a box body having an accommodating space therein, the bottom of the box body having an opening, the opening communicating with the accommodating space; at least one squeegee The unit is disposed on the casing, and the bottom of the blade unit forms at least one blade.

Further, the bottom of the blade unit has a plurality of spaced-apart slots, and the slots of the adjacent two blade units are staggered, and the slots form a plurality of picks at the bottom of the blade unit. The distance from the bottom of the blade unit to the top of the box is greater than the distance from the bottom of the box to the top of the box, and the blade unit is a member made of a flexible material.

The squeegee ball cartridge plucks the conductive balls stuck in the ball drop holes away from the ball drop holes by the squeegee unit to maintain the integrity of the conductive balls and reduce the breakage of the conductive balls or In the case of fragmentation, the conductive balls are plucked through the blade units to assist the conductive balls to fall into the ball holes, thereby increasing the probability that the conductive balls fall into the ball holes.

As shown in FIG. 1 to FIG. 3, a first preferred embodiment of the present invention is disclosed. As shown in the figure, the original blade cartridge includes a casing 10 and at least one blade unit 20.

The inside of the casing 10 has an accommodating space 11 . The bottom of the casing 10 has an opening 12 . The opening 12 communicates with the accommodating space 11 .

The blade unit 20 is disposed on the casing 10. The bottom of the blade unit 20 forms at least one blade 21, wherein a distance from a bottom surface of the blade unit 20 to a top surface of the casing 10 is greater than the casing. The distance from the bottom surface of the body 10 to the top surface of the casing 10 is a member made of a flexible material, and the blade 21 has a plurality of spaced-apart slots 22, which are cut. The groove 22 forms a plurality of paddles 23 at the bottom of the blade 21, and the slots 22 of the adjacent two blades 21 are staggered. In the first preferred embodiment, as shown in FIG. The number of the sheet units 20 is one, and the blade unit 20 is disposed inside the casing 10 and faces the accommodating space 11. The bottom of the squeegee unit 20 forms a plurality of spaced-apart squeegees 21, A remaining ball area 24 is formed between the adjacent two blades 21.

In the above, as shown in FIG. 5, a second preferred embodiment of the present invention is disclosed. The number of the blade units 20 is plural, and the blade units 20 are disposed in the casing 10. On one side, a remaining ball area 24 is formed between the blades 21 of two adjacent blade units 20, or as shown in FIG. 6, a third preferred embodiment of the present blade box is disclosed. The number of the blade units 20 is a plurality and is located opposite to the inside of the casing 10, respectively.

As shown in FIG. 7, a fourth preferred embodiment of the present invention is disclosed. The casing 10 has at least one fixing component 13, and the fixing component 13 is located at a side of the casing 10. The assembly 13 includes a fixing base 131, two spacers 132, a positioning member 133, a clamping plate 134 and a locking member 135. The fixing base 131 is disposed at a side of the housing 10 and at the fixing base 131. A spacer 136 is protruded from the bottom of the fixing spacer 136. The two spacers 132 are disposed at two sides of the fixing spacer 136. The positioning member 133 is located inside the fixing spacer 136 and penetrates the spacer 132 and the fixing. The spacer plate 136 is located outside the fixing spacer 136. The locking member 135 is locked to the clamping plate 134 and the positioning member 133, so that the clamping plate 134 and the positioning member 133 are fixed. In the fixing partition plate 136, the blade unit 20 is fixed to the fixing partition plate 136 by the locking member 135, and the bottom of the blade unit 20 protrudes from the bottom of the fixing assembly 13, further The distance from the bottom of the blade unit 20 to the bottom of the positioning member 133 is equal, then the blade is The bottom 20 can maintain the same level.

In the above, as shown in FIG. 8, a fifth preferred embodiment of the present invention is disclosed. The casing 10 has at least one bridging assembly 14 that spans the accommodating space 11 and is located. Above the opening 12, the bridge assembly 14 includes a connecting frame 141, a clamping member 142, a reference member 143 and a locking member 144. The connecting frame 141 is disposed on the casing 10 and located in the receiving space. The bottom of the connecting frame 141 protrudes from a fixing frame 145. The clamping member 142 is located at one side of the fixing frame 145. The reference member 143 is located on the other side of the fixing frame 145. The locking member 144 is disposed. The clamping member 142, the fixing frame 145 and the reference member 143 are fixed to the fixing frame 145 by the locking member 144, and the bottom of the blade unit 20 protrudes from the bridge assembly 14 The bottom of the blade unit 20 is equal to the bottom of the reference member 143, and the bottom of the blade unit 20 can maintain the same level. Alternatively, as shown in FIG. A sixth preferred embodiment of creating a blade cartridge, the number of the bridge assemblies 14 being Number, the number of the bridge assembly 14 can be added according to the requirement.

As shown in FIG. 10 to FIG. 12, a fifth preferred embodiment of the present invention is disclosed. A user inserts a plurality of conductive balls 40 into the blade box and flattens the blade. The guide plate 41 has a plurality of ball holes 42. Below the guide plate 41, there is a plate member 43 having a plurality of solder joints 44. The solder joints 44 correspond to the ball drop holes 42. The conductive balls 40 fall thereon. On the guiding plate 41, the blade ball box is then started to slide on the guiding plate 41 under the control of the sliding device 30, and the conductive balls 40 are pushed by the casing 10 of the blade box to fall into the guide plate 41. The ball drop hole 42 is located on the soldering point 44 of the plate member 43. When the conductive balls 40 are caught in the ball drop holes 42 of the conductive balls 40, the blade unit 20 will be stuck. The conductive balls 40 disengage the conductive balls 40 and continue to move to the other ball holes 42 to maintain the integrity of the conductive balls 40 and reduce the breakage or chipping of the conductive balls 40.

In addition, if the blade unit 20 that the conductive balls 40 first contact does not move, the conductive balls 40 will enter the remaining ball area 24, and the conductive balls 40 may continue to be used by other blade units. 20, similarly, as shown in FIG. 2 to FIG. 4, the conductive balls 40 enter the ball retaining area 24 if they are not touched by the first contact blade 21, and the conductive balls 40 can Continue to be moved by the other blade 21.

In the above, the slots 22 of the bottom of the blade unit 20 are staggered, and when the paddles 23 of the blade unit 20 are used to move the conductive balls 40, the dialing of the conductive balls 40 is contacted. The blade 23 does not affect the actuation of the other paddle 23, and the other conductive balls 40 can be continuously toggled to increase the probability that the blade unit 20 can move the conductive balls 40, and the blade unit 20 is The conductive ball 40 is slid by the squeegee unit 20, and the conductive balls 40 are allowed to fall into the ball holes 42 to lift the conductive balls 40 into the holes. The probability of the ball hole 42.

In summary, the squeegee ball cartridges are used to detach the conductive balls 40 that are caught in the ball holes 42 from the ball holes 42 to hold the conductive balls 40. The integrity of the conductive balls 40 is reduced or broken, and the conductive balls 40 are plucked through the blade units 20 to assist the conductive balls 40 to fall into the ball holes 42 to enhance the conductive The probability of the ball 40 falling into the ball drop holes 42.

10‧‧‧Box

11‧‧‧ accommodating space

12‧‧‧ openings

13‧‧‧Fixed components

131‧‧‧ fixed seat

132‧‧‧ Spacer

133‧‧‧ positioning parts

134‧‧‧ clamping plate

135‧‧‧Locker

136‧‧‧ Fixed seat spacer

14‧‧‧Bridge assembly

141‧‧‧Connecting frame

142‧‧‧Clamping parts

143‧‧‧ benchmark

144‧‧‧Locking parts

145‧‧‧ fixed frame

20‧‧‧Scraper unit

21‧‧‧Scrape

22‧‧‧ slotting

23‧‧ ‧ picks

24‧‧ ‧Ball area

30‧‧‧Slip device

40‧‧‧ Conductive ball

41‧‧‧Guideboard

42‧‧‧ Drop ball hole

43‧‧‧ plates

44‧‧‧ solder joints

90‧‧‧ Conductive ball

91‧‧‧ ball box

92‧‧‧Printing board

93‧‧‧ openings

94‧‧‧ boards

95‧‧‧ solder joints

96‧‧‧ Drop ball hole

Figure 1 is a perspective view of a first preferred embodiment of the present invention. Figure 2 is a perspective view of another perspective view of the first preferred embodiment of the present invention. Figure 3 is a partially enlarged side elevational cross-sectional view of the first preferred embodiment of the present invention. Figure 4 is a side cross-sectional view showing the mounting aspect of the first preferred embodiment of the present invention. Figure 5 is a side cross-sectional view showing the mounting aspect of the second preferred embodiment of the present invention. Figure 6 is a side cross-sectional view showing the mounting aspect of the third preferred embodiment of the present invention. Figure 7 is a side cross-sectional view showing the mounting aspect of the fourth preferred embodiment of the present invention. Figure 8 is a side cross-sectional view showing the mounting aspect of the fifth preferred embodiment of the present invention. Figure 9 is a side cross-sectional view showing the mounting aspect of the sixth preferred embodiment of the present invention. Figure 10 is a side cross-sectional view showing the operation of the fifth preferred embodiment of the present invention. Figure 11 is a partially enlarged side elevational cross-sectional view showing the operation of the fifth preferred embodiment of the present invention. Figure 12 is a partially enlarged side elevational cross-sectional view showing the plucking state of the fifth preferred embodiment of the present invention. Figure 13 is a side cross-sectional view showing the operation of the prior art ball cartridge.

Claims (11)

A squeegee ball box, comprising: a box body having an accommodating space therein, the bottom of the box body having an opening, the opening communicating with the accommodating space; at least one squeegee unit, the scraping The sheet unit is disposed on the box body, and the bottom of the doctor unit forms at least one doctor blade. The squeegee ball cartridge of claim 1, wherein the number of the squeegee units is one, and the squeegee unit is disposed inside the casing and faces the accommodating space, the squeegee unit A plurality of spaced-apart blades are formed at the bottom, and a remaining ball area is formed between the adjacent two blades. The squeegee ball cartridge of claim 1, wherein the number of the squeegee units is plural, the squeegee units are disposed on one side of the casing, and the blades of two adjacent squeegee units are provided. A ball area is formed between them. The squeegee ball cartridge according to claim 1, wherein the number of the squeegee units is plural and respectively located opposite to the inner side of the casing, and a squeegee between two adjacent squeegee units forms a Keep the ball area. The blade cartridge according to any one of claims 2 to 4, wherein the blade has a plurality of spaced-apart slots, the slits forming a plurality of paddles at the bottom of the blade. The grooving grooves of the two adjacent squeegees are alternately disposed, and the distance from the bottom surface of the squeegee unit to the top surface of the casing is greater than the distance from the bottom surface of the casing to the top surface of the casing, and the blade unit has A member made of a flexible material. The blade cartridge of any one of claims 1 to 4, wherein the casing has at least one fixing component, the fixing component is located at a side of the casing, and the fixing component comprises a fixing seat, a spacer, a positioning member, a clamping plate and a locking member, the fixing seat is disposed on a side of the box body and a fixing seat spacer is protruded from a bottom of the fixing seat, and the two spacers are disposed on the fixing spacer The two sides of the fixing spacer are located on the inner side of the fixing spacer and the two spacers and the fixing spacer are disposed, the clamping plate is located outside the fixing spacer, the lock is locked Provided in the clamping plate and the positioning member, the clamping plate and the positioning member are fixed to the fixing partition plate, the blade unit is fixed to the fixing partition plate by the locking member, the blade unit The bottom protrudes from the bottom of the fixing assembly. The squeegee ball cartridge of claim 5, wherein the casing has at least one fixing component, the fixing component is located at a side of the casing, and the fixing component comprises a fixing seat, two spacers, a positioning component, a fixing plate is disposed on a side of the casing, and a fixing partition plate is protruded from a bottom of the fixing base. The two spacers are disposed on two sides of the fixing partitioning plate. The positioning member is located on the inner side of the fixing partition plate and penetrates the two spacer pieces and the fixing seat spacer plate. The clamping plate is located outside the fixing seat spacer plate, and the locking member is locked on the clamping plate and the clamping plate a positioning member for fixing the clamping plate and the positioning member to the fixing spacer plate, wherein the blade unit is fixed to the fixing partition plate by the locking member, and a bottom of the blade unit protrudes from the fixing component bottom of. The blade cartridge of any one of claims 1 to 4, wherein the casing has at least one bridging assembly that spans the accommodating space and is located above the opening, the bridging assembly The utility model comprises a connecting frame, a clamping member, a reference member and a locking member. The connecting frame is disposed on the casing and located in the receiving space, and a bottom of the connecting frame protrudes from a fixing frame, the clamping member Located on one side of the fixing frame, the reference member is located on the other side of the fixing frame, the locking member passes through the clamping member, the fixing frame and the reference member, and the blade unit is fixed by the locking member The holder has a bottom portion of the blade unit projecting from a bottom of the bridge assembly. The squeegee ball cartridge of claim 5, wherein the casing has at least one bridging assembly, the bridging assembly spans the accommodating space and is located above the opening, the bridging assembly includes a connecting frame, a clamping member, a reference member and a locking member, the connecting frame is disposed on the box body and located in the receiving space, the bottom of the connecting frame protrudes from a fixing frame, and the clamping member is located at the fixing frame On the side, the reference member is located on the other side of the fixing frame, the locking member passes through the clamping member, the fixing frame and the reference member, and the blade unit is fixed to the fixing frame by the locking member, The bottom of the blade unit projects from the bottom of the bridge assembly. The squeegee ball cartridge of claim 6, wherein the casing has at least one bridging assembly, the bridging assembly spans the accommodating space and is located above the opening, the bridging assembly includes a connecting frame, a clamping member, a reference member and a locking member, the connecting frame is disposed on the box body and located in the receiving space, the bottom of the connecting frame protrudes from a fixing frame, and the clamping member is located at the fixing frame On the side, the reference member is located on the other side of the fixing frame, the locking member passes through the clamping member, the fixing frame and the reference member, and the blade unit is fixed to the fixing frame by the locking member, The bottom of the blade unit projects from the bottom of the bridge assembly. The squeegee ball cartridge of claim 7, wherein the casing has at least one bridging assembly, the bridging assembly spans the accommodating space and is located above the opening, the bridging assembly includes a connecting frame, a clamping member, a reference member and a locking member, the connecting frame is disposed on the box body and located in the receiving space, the bottom of the connecting frame protrudes from a fixing frame, and the clamping member is located at the fixing frame On the side, the reference member is located on the other side of the fixing frame, the locking member passes through the clamping member, the fixing frame and the reference member, and the blade unit is fixed to the fixing frame by the locking member, The bottom of the blade unit projects from the bottom of the bridge assembly.