CN211879330U

CN211879330U - Vibration needle implanting device

Info

Publication number: CN211879330U
Application number: CN202020720719.3U
Authority: CN
Inventors: 梁猛; 戴伟
Original assignee: Shanghai Shiyu Precision Machinery Co ltd
Current assignee: Shanghai Shiyu Precision Equipment Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-11-06
Anticipated expiration: 2030-05-06

Abstract

A vibrating needle-implanting device, comprising: the device comprises a base fixed on a vibrating table, wherein a vacuumizing cavity capable of being vacuumized through vacuumizing equipment is formed in the base, a needle planting plate placing platform is arranged at the top of the base, a first through hole which is in the vertical direction and corresponds to a needle planting area of a needle planting plate is formed in the needle planting plate placing platform, the first through hole is communicated with the vacuumizing cavity, a positioning piece used for positioning a gland is arranged on the needle planting plate placing platform, and the positioning piece is located around the first through hole; the pressing cover is used for pressing the needle planting plate and is provided with a second through hole which is in the vertical direction and corresponds to the needle planting area; a hold-down mechanism depressible and lockable to apply a continuous hold-down force to the gland. The utility model discloses it is high to plant needle efficiency, is applicable to the needle of various diameters or length.

Description

Vibration needle implanting device

Technical Field

The utility model relates to a plant needle technical field, especially relate to a vibration and plant needle device.

Background

With the progress of packaging technology, chip integration is continuously improved, the number of I/O pins is rapidly increased, power consumption is increased, and the requirements for integrated circuit packaging are more strict, so that ball grid array packages (i.e. BGA packages) are beginning to be applied to production in the 90 th 20 th century, and the technology becomes the best choice for high-density, high-performance and multi-pin packages such as CPUs, south-board chips and north-bridge chips of motherboards. However, because of the characteristics of the ball-shaped pins, the area of the substrate occupied by the BGA package is large, and in order to make the volume of the packaged substrate smaller and the integration level higher, the packaging industry is turning to the application and development of the needle-shaped pin array package. The biggest difference of the needle implantation relative to the ball implantation is that the ball has no directionality, and the needle has a certain direction, so the needle implantation is more difficult and more demanding relative to the ball implantation.

The existing needle implanting technology mainly uses mechanical pins, namely a high-speed motion mechanism is used, a gripper is arranged at the tail end, the pins are sequentially implanted on a substrate, 10 pins can be implanted into the substrate at the fastest speed per second, the efficiency is low, the consumed time is long, and the pins which are smaller than a certain diameter or length cannot be correspondingly implanted.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a vibrating needle implanting device.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a vibrating needle-implanting device, comprising:

the device comprises a base fixed on a vibrating table, wherein a vacuumizing cavity capable of being vacuumized through vacuumizing equipment is formed in the base, a needle planting plate placing platform is arranged at the top of the base, a first through hole which is in the vertical direction and corresponds to a needle planting area of a needle planting plate is formed in the needle planting plate placing platform, the first through hole is communicated with the vacuumizing cavity, a positioning piece used for positioning a gland is arranged on the needle planting plate placing platform, and the positioning piece is located around the first through hole;

the pressing cover is used for pressing the needle planting plate and is provided with a second through hole which is in the vertical direction and corresponds to the needle planting area;

a hold-down mechanism depressible and lockable to apply a continuous hold-down force to the gland.

The first through hole and the second through hole are slightly larger than the needle implanting area.

The gland includes locating plate and clamp plate, the lower surface of locating plate has and is used for covering plant the faller and carry out spacing groove all around, have on the locating plate from top to bottom direction and with plant the third through-hole that the needle region corresponds, the third through-hole slightly is greater than plant the needle region, the clamp plate pressure is located on the locating plate, form on it the second through-hole, the second through-hole has and stretches into downwards the third through-hole is in order to push down plant the annular extension of faller, the external diameter of annular extension and the internal diameter adaptation of third through-hole.

The depth of the second through hole is greater than or equal to the length of the needle.

The pressing plate is made of graphite.

The locating piece includes four reference columns that bilateral symmetry arranged and four location platforms that front and back symmetrical arranged, pushing down the mechanism and be four, four pushing down the mechanism and fix respectively four location platforms are last.

The downward pressing mechanism comprises a hinged seat, a movable arm, a pressing head, a transmission arm and a handle, the hinged seat is fixed on the positioning table, the middle part of the hinged seat is provided with a stopping inclined plane facing to the rear side and used for stopping the rear end of the transmission arm, the movable arm is provided with a first fixed end and a second fixed end, the first fixed end and the second fixed end are positioned at the rear side of the free end, the second fixed end is lower than the first fixed end, the second fixed end is rotationally hinged with the front side of the hinged seat in a forward and backward mode, the pressing head is fixed with the free end of the movable arm, the front end of the transmission arm is rotationally hinged with the first fixed end in the forward and backward mode, the handle is provided with a third fixed end and a fourth fixed end, the third fixed end and the fourth fixed end are positioned below the free end of the handle, the fourth fixed end is lower than the third fixed end, the third stiff end rotates articulatedly around with the rear end of driving arm, the fourth stiff end rotates articulatedly around with the rear side of articulated seat.

The hinge seat is composed of a support plate, the support plate is vertically arranged, a fixing plate is arranged at the lower end of the support plate, the fixing plate is fixed with the positioning table, a first hinge angle is formed at the front part of the upper side of the support plate, a second hinge angle is formed at the rear part of the upper side of the support plate, the first hinge angle is higher than the second hinge angle, the first hinge angle is hinged with the second fixing end, the second hinge angle is hinged with the fourth fixing end, and the stopping inclined surface is a rear side inclined surface of the second hinge angle;

the transmission arm is obliquely arranged in a high-back manner, and a protruding part matched with the stop inclined plane is formed at the rear end of the transmission arm.

The utility model discloses it is high to plant needle efficiency, is applicable to the needle of various diameters or length.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural view of the positioning plate of the present invention;

fig. 5 is a schematic structural view of the pressing plate of the present invention;

fig. 6 is a schematic structural diagram of the pressing mechanism of the present invention.

Detailed Description

As shown in fig. 1, a vibrating needle implanting device, the purpose of which is to implant a needle into a circuit board, which can be vibrated.

The utility model discloses the device includes base 1100, gland 1200, pushes down mechanism 1300, shaking table 1400 and evacuation equipment 1500.

As shown in fig. 2 and 3, the base 1100 is a rectangular box fixed to the vibrating table 1400 and has a vacuum pumping chamber therein.

The base 1100 has a needle plate placing platform 1110 at the top, a fixing plate 1120 fixed to the vibration table 1400 at the bottom, and a vacuum-pumping connector 1130 at the rear.

As shown in fig. 3, the needle implanting plate 20 is a circuit board, and has a needle implanting area 21 thereon, the needle implanting area 21 has a plurality of needle implanting holes therein, the needle implanting holes are stepped holes with a wide upper section and a narrow lower end, the upper section is used for introducing needles and has a diameter of 2.5mm, and the lower section is used for fixing needles and has a diameter of 1.5 mm.

The placing platform 1110 is provided with a first through hole 1111 which is arranged in the vertical direction and corresponds to the needle implanting region 21 of the needle implanting plate 20, the first through hole 1111 is communicated with the first vacuum pumping chamber, the placing platform 1110 is provided with a positioning part for positioning the gland 1200, and the positioning part is arranged around the first through hole 1111.

The pressing cover 1200 is used for pressing the needle implanting plate 20, and has a second through hole 1210 in the vertical direction corresponding to the needle implanting region 21.

The pressing mechanism 1300 may be pressed and locked, thereby applying a continuous pressing force to the pressing cover 1200.

The utility model discloses a plant the needle process as follows:

1. the base 1100 is fixed to the vibration table 1400.

2. The circuit board is placed on the needle implanting plate placing platform 1110 of the base 1100 with the needle implanting area of the circuit board aligned with the first through hole 1111, and the pressing cover 1200 is pressed against the circuit board by the pressing mechanism 1300 with the second through hole 1210 aligned with the needle implanting area.

3. At least 2 times as many needles as the number of circuit boards to be implanted are poured into the needle implanting area through the second through holes 1210. In this embodiment, the number of needles is 2-3 times the number of circuit boards to be implanted.

4. The vibration table 1400 is started and the evacuation chamber in the base 1100 is evacuated by the evacuation device 1500, so that the needles are implanted into the circuit board. The needle can be erected in the vibration process, and then the needle is sucked into the needle implanting hole through vacuum pumping.

5. After the needle implantation is completed, the pressing cover 1200 is removed, and the remaining needles are brushed into a prepared recovery box by using a brush.

6. And (5) taking down the circuit board, and finishing the whole needle implanting process.

In the present embodiment, the first through hole 1111 and the second through hole 1210 are slightly larger than the needle implanting area 21.

In this embodiment, in order to prevent the needle from jumping out of the second through hole 1210, the depth of the second through hole 1210 is equal to or greater than the length of the needle.

In this embodiment, the pressing cover 1210 includes a positioning plate 1220 and a pressing plate 1230, the positioning plate 1220 limits the front, back, left and right of the needle plate 20, and the pressing plate 1230 limits the needle plate 20 up and down.

Preferably, the pressing plate 1230 is made of graphite, so that the needles are prevented from being aggregated and adsorbed due to static electricity generated by friction when vibrating, and the pressing cover 1210 is composed of the positioning plate 1220 and the pressing plate 1230, so that when the needle planting plates of different sizes are pressed, only the corresponding positioning plate 1220 needs to be replaced, the whole pressing cover does not need to be replaced, and the cost is reduced (the cost of the graphite plate is higher).

Specifically, as shown in fig. 3 and 4, the lower surface of the positioning plate 1220 has a limiting groove 1221 for covering the needle implanting plate 20 and limiting the position, and the positioning plate 1220 has a third through hole 1222 corresponding to the needle implanting region 21 in the up-down direction, and the hole of the third through hole 1222 is slightly larger than the needle implanting region 21, as shown in fig. 3 and 5, the pressing plate 1230 is pressed on the positioning plate 1220, and the second through hole 1210 is formed thereon, the second through hole 1210 has an annular extension 1211 extending downward into the third through hole 1222 to press the needle implanting plate 20, and the outer diameter of the annular extension 1211 is adapted to the inner diameter of the third through hole 1222, so that the annular extension 1211 not only plays a role in limiting the up-down direction of the needle implanting plate 20, but also plays a role in positioning the pressing plate 1230.

Specifically, as shown in fig. 2 and fig. 3, the positioning element includes four positioning pillars 1112 arranged in bilateral symmetry and four positioning stages 1113 arranged in front-back symmetry, the number of the pressing mechanisms 1300 is four, and the four pressing mechanisms 1300 are respectively fixed on the four positioning stages 1113.

The positioning plate 20 is positioned by positioning the positioning plates 1220 through the four positioning posts 1112 and the four positioning platforms 1113, and the pressing plate 1230 is positioned by the annular extension 1211 to ensure that the needle planting area 21 is aligned with the first through hole 1111 and the second through hole 1210 up and down (the central lines are overlapped) when the needle is planted.

In this embodiment, as shown in fig. 6, the pressing mechanism 1300 includes a hinge base 1310, a movable arm 1320, a pressing head 1330, a driving arm 1340, and a handle 1350.

A hinged base 1310 fixed on the positioning table 1113, a movable arm 1320 having a first fixed end 1321 and a second fixed end 1322, the first fixed end 1321 and the second fixed end 1322 located at the rear side of the free end, and the second fixed end 1322 lower than the first fixed end 1321, the second fixed end 1322 hinged to the front side of the hinged base 1310 in a back-and-forth rotation manner, a pressure head 1330 fixed to the free end of the movable arm 1320, a front end of an actuator arm 1340 hinged to the first fixed end 1321 in a back-and-forth rotation manner, a handle 1350 having a third fixed end 1351 and a fourth fixed end 1352, the third fixed end 1351 and the fourth fixed end 1352 located below the free end of the handle 1350, and the fourth fixed end 1352 lower than the third fixed end 1351, the free end of the handle 1350 forming a handle 1353, the third fixed end 1351 hinged to the rear end of the actuator arm 1340 in a back-and-back rotation manner, wherein the middle of the hinged end 1352 faces the rear side of the, When the handle portion 1353 is operated to rotate the handle 1350 forward and backward to move the driving arm 1340 forward and backward and further to rotate the movable arm 1320 forward and backward, the pressing head 1330 on the movable arm 1320 is just pressed against the pressing cover 1200 when the rear end of the driving arm 1340 is stopped by the stopping slope 1311.

Specifically, the hinge base 1310 is formed by a support plate 1311, the support plate 1311 is vertically disposed, and has a fixing piece at a lower end thereof, the fixing piece is fixed to the positioning table 1113 by a bolt, a first hinge angle 1311a is formed at a front portion of an upper side of the support plate 1311, a second hinge angle 1311b is formed at a rear portion of the upper side, the first hinge angle 1311a is higher than the second hinge angle 1311b, the first hinge angle 1311a is hinged to the second fixed end 1322, the second hinge angle 1311b is hinged to the fourth fixed end 1352, and the stopper slope 1311 is a rear slope of the second hinge angle 1311 b.

The actuator arm 1340 is obliquely arranged high in front and low in rear, and its rear end forms a projection 1341 that engages with the stopper slope 1311.

However, those skilled in the art should realize that the above embodiments are only used for illustrating the present invention and not used as a limitation of the present invention, and that the changes and modifications to the above embodiments are within the scope of the appended claims as long as they are within the true spirit of the present invention.

Claims

1. A vibrating needle implanting device, comprising:

2. The vibrating needle implanting device of claim 1, wherein the first through hole and the second through hole are slightly larger than the needle implanting area.

3. The vibrating needle implanting device according to claim 2, wherein the pressing cover comprises a positioning plate and a pressing plate, the lower surface of the positioning plate is provided with a limiting groove for covering the needle implanting plate and limiting the needle implanting plate in a front-back, left-right and left-right manner, the positioning plate is provided with a third through hole which is in an up-down direction and corresponds to the needle implanting area, the third through hole is slightly larger than the needle implanting area, the pressing plate is pressed on the positioning plate, the second through hole is formed in the positioning plate, the second through hole is provided with an annular extending portion which extends downwards into the third through hole to press the needle implanting plate, and the outer diameter of the annular extending portion is matched with the inner diameter of the third through hole.

4. The vibrating needle implanting device as claimed in claim 3, wherein the second through hole has a depth equal to or greater than a length of the needle.

5. The vibrating needle implanting device as claimed in claim 4, wherein the pressing plate is made of graphite.

6. The vibrating needle implanting device according to claim 5, wherein the positioning member comprises four positioning columns symmetrically arranged left and right and four positioning tables symmetrically arranged front and back, the number of the pressing mechanisms is four, and the four pressing mechanisms are respectively fixed on the four positioning tables.

7. The vibrating needle implanting device according to claim 6, wherein the pressing mechanism comprises a hinge base, a movable arm, a pressing head, a transmission arm and a handle, the hinge base is fixed on the positioning table, the middle of the hinge base has a stopping slope facing to the rear side and used for stopping the rear end of the transmission arm, the movable arm has a first fixing end and a second fixing end, the first fixing end and the second fixing end are located at the rear side of the free end, the second fixing end is lower than the first fixing end, the second fixing end is hinged to the front side of the hinge base in a forward and backward rotating manner, the pressing head is fixed to the free end of the movable arm, the front end of the transmission arm is hinged to the first fixing end in a forward and backward rotating manner, the handle has a third fixing end and a fourth fixing end, and the third fixing end and the fourth fixing end are located below the free end of the handle, and the fourth stiff end is less than the third stiff end, the freedom of handle forms the stalk portion, the third stiff end rotates articulatedly around with the rear end of driving arm, the fourth stiff end rotates articulatedly around with the rear side of articulated seat.

8. The vibrating needle implanting device as claimed in claim 7, wherein the hinge base is formed by a support plate, the support plate is vertically arranged, the lower end of the support plate is provided with a fixing piece, the fixing piece is fixed with the positioning table, the upper front part of the support plate forms a first hinge angle, the upper rear part of the support plate forms a second hinge angle, the first hinge angle is higher than the second hinge angle, the first hinge angle is hinged with the second fixed end, the second hinge angle is hinged with the fourth fixed end, and the stopping slope is a rear slope of the second hinge angle;