CN214753660U

CN214753660U - COB packaging hardware

Info

Publication number: CN214753660U
Application number: CN202120423000.8U
Authority: CN
Inventors: 罗建华; 杨富东
Original assignee: Zhuhai Dingzhi Electronic Technology Co ltd
Current assignee: Zhuhai Dingzhi Electronic Technology Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-16
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a COB packaging hardware, concretely relates to chip packaging technology field, its technical scheme is: including base, table surface, fixed plate and fixed establishment, the fixed table surface that is provided with in base top, the table surface both sides are provided with the fixed plate, fixed plate upper portion is provided with fixed establishment, base top fixed connection table surface, the beneficial effects of the utility model are that: the circuit board on the conveyor belt is fixedly clamped through the four groups of fixing arms, so that the circuit board is prevented from being displaced in the packaging process to influence production; when the circuit board is clamped, the welding and packaging equipment can work through a welding port at the top, when the back of the circuit board needs to be packaged, the rotating shafts at the two ends of the fixing mechanism are driven to rotate through the motor, the circuit board is turned to the bottom upwards for packaging, the fixing effect is good, and the number of unqualified products is reduced; the production efficiency is high without manual intervention, and the production cost is further reduced.

Description

COB packaging hardware

Technical Field

The utility model relates to a chip package technical field, concretely relates to COB packaging hardware.

Background

COB packaging technology, namely chip-on-board packaging, is a novel packaging mode different from SMD surface mount packaging technology, and specifically comprises the steps of attaching a bare chip on a PCB by using conductive or non-conductive glue, then carrying out wire bonding to realize electrical connection of the bare chip, and packaging the chip and a bonding wire by using glue; at present, the market embedded Wi-Fi module is widely applied, for example, various household appliances in an intelligent home are basically applied, the market demand of the Wi-Fi module is rapidly expanded due to the growth of intelligent hardware in recent years, along with the expansion of the market scale, the competition among manufacturers of large Wi-Fi modules is intensified, the existing two packaging processes are used for producing chips in the Wi-Fi module, namely an SMD packaging technology and a COB packaging technology, the production process of the SMD needs to be subjected to links such as die bonding, wire bonding, glue dispensing, baking, stamping, light splitting and color separation, taping, chip mounting and the like, the COB process is simplified on the basis, firstly, an IC is pasted on a circuit board, then die bonding, wire bonding, testing, glue dispensing and baking are carried out to form a finished product, and compared with the original technology of SMD packaging, the time and process are saved to a certain extent, the cost is saved to a certain extent, and as the COB packaging technology becomes mature, the COB packaging technology becomes the mainstream of the chip manufacturing technology.

The prior art has the following defects: in the existing chip COB packaging and manufacturing process, a circuit board needs to be fixed and then packaged, but when the circuit board is fixed, some circuit boards are manually pressed by workers, electronic elements on the circuit board are welded, and the chips are packaged by welding while turning over the circuit boards after welding, so that the efficiency is poor, time and labor are wasted, and the labor cost is high; the manufacturing cost is increased invisibly; the production is carried out through an automatic assembly line, the circuit board is generally only arranged on a flowing workbench surface when chips on the circuit board are packaged, the circuit board is not stable and reliable enough during welding, slight movement can often occur, welding quality is influenced, welding wire adhesion is prevented by arranging a rotating device on some equipment, but a limiting fixing device is not set, welding quality is influenced due to rotation of work during work, unqualified packaged products are caused, and cost is wasted.

Therefore, the utility model discloses a COB packaging hardware is very necessary.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a COB packaging hardware to solve the problem that the chip packaging needs to be carried out after the circuit board is fixed in the existing chip COB packaging manufacturing process, but when the circuit board is fixed, some circuit boards are manually pressed by workers, electronic elements on the circuit board are welded, and the chips are packaged by welding after welding, so that the efficiency is poor, time and labor are wasted, and the labor cost is high; the manufacturing cost is increased invisibly; still produce through automatic assembly line, only place the circuit board in on the table surface that flows when generally encapsulating the chip on the circuit board, the circuit board is reliable and stable inadequately during the welding, often can take place slight movement, influences welding quality, some equipment are through having set up rotary device, prevent the welding wire adhesion, but do not set for spacing fixing device, the during operation, the rotation that also can appear because of work influences welded quality, cause the unqualified product of encapsulation to appear, the problem of extravagant cost.

In order to achieve the above object, the present invention provides the following technical solutions: a COB packaging device comprises a base, a workbench surface, fixing plates and a fixing mechanism, wherein the top of the base is fixedly provided with the workbench surface, the two sides of the workbench surface are provided with the fixing plates, the upper part of each fixing plate is provided with the fixing mechanism, the top of the base is fixedly connected with the workbench surface, the two sides of the top of the workbench surface are fixedly connected with the fixing plates, the upper part of each fixing plate is fixedly connected with the fixing mechanism, the fixing mechanism comprises a first connecting piece and a fixing arm, the left side and the right side of the first connecting piece are fixedly provided with a third connecting piece, one side of the third connecting piece is fixedly connected with a rolling shaft, the rolling shaft is fixedly connected with a motor, the bottom of the motor is fixedly connected with a second sliding block, the outer part of the motor is provided with a shell, the top of the first connecting piece is provided with a welding port, the bottom of the first connecting piece is fixedly connected with the fixing arms, the fixing arms comprise a first rotating shaft and a first connecting rod, the clamping device comprises a first rotating shaft fixedly connected with a fixing part, a first fixing part fixedly installed at the top of the fixing part, a first rotating shaft is connected to one end of a first connecting rod in a rotating mode, a first rotating rod is fixedly installed at the other end of the first connecting rod, the other end of the first rotating rod is connected to one end of a second rotating rod in a rotating mode, the other end of the second rotating rod is connected to one end of the second connecting rod in a rotating mode, a clamping piece is fixedly connected to the other end of the second connecting rod, a rubber pad is fixedly connected to one side of the clamping piece, an arc-shaped concave surface is arranged on one side of the rubber pad, a conveying belt is arranged below a fixing arm, and the conveying belt is fixedly connected with a working table top.

Preferably, the fixed plates comprise sliding grooves, the outer walls of the inner sides of the fixed plates are provided with the sliding grooves, the fixed plates are provided with two groups, and the two groups of fixed plates are connected with the fixing mechanisms in a sliding mode through the sliding grooves.

Preferably, the fixing mechanism further comprises a first sliding block and a second sliding block, and the first sliding block and the second sliding block are connected in the sliding groove in a sliding mode.

Preferably, the first rolling shaft of the connecting piece close to one side of the motor is fixedly connected with the output end of the motor.

Preferably, a welding port is formed in the middle of the outer surface of the top of the connecting piece, and the welding port is a square through hole.

Preferably, the fixing mechanism further comprises fixing screws, the fixing arms are fixedly connected to the outer wall of the bottom of the connecting piece through the fixing screws, and four groups of the fixing arms are arranged around the welding port.

Preferably, grooves are formed in two ends of the second rotating rod, and through holes are formed in side walls of two ends of each groove and are sleeved with the second rotating shaft and the third rotating shaft.

Preferably, a rubber pad is bonded on the outer wall of one side of the clamping piece, and an arc-shaped concave surface is arranged on the outer surface of one side, away from the clamping piece, of the rubber pad.

The utility model has the advantages that: the circuit board on the conveying belt is fixedly clamped through the four groups of fixing arms, so that the circuit board is prevented from being displaced and affecting production in the packaging process, the four groups of fixing arms are fixedly clamped in the four directions of the circuit board, so that the circuit board is uniformly stressed and cannot be damaged, and the cost is wasted; when the circuit board is clamped, the welding and packaging equipment can work through a welding port at the top, when the back of the circuit board needs to be packaged, the rotating shafts at the two ends of the fixing mechanism are driven to rotate through the motor, the circuit board is turned to the bottom upwards for packaging, the fixing effect is good, and the number of unqualified products is reduced; the production efficiency is high without manual intervention, and the production cost is further reduced.

Drawings

Fig. 1 is a front view provided by the present invention;

fig. 2 is a side view provided by the present invention;

fig. 3 is a top view provided by the present invention;

fig. 4 is a bottom view of the fixing mechanism provided by the present invention;

FIG. 5 is a structural diagram of the fixing mechanism after being turned upwards;

fig. 6 is a front view of the fixing arm structure provided by the present invention;

fig. 7 is a side view of the fixing arm structure provided by the present invention.

In the figure: the device comprises a base 1, a workbench surface 2, a conveyor belt 3, a fixing plate 4, a fixing arm 5, a rubber pad 6, a clamping piece 7, a first connecting piece 8, a sliding groove 9, a first sliding block 10, a second connecting piece 11, a welding port 12, a third connecting piece 13, a rolling shaft 14, a housing 15, a motor 16, a second sliding block 17, a fixing piece 18, a fixing screw 19, a first rotating shaft 20, a first connecting rod 21, a first rotating rod 22, a second rotating shaft 23, a second rotating rod 24, a third rotating shaft 25, a second connecting rod 26, an arc concave surface 27 and a fixing mechanism 28.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-6, the utility model provides a COB packaging device, including base 1, table surface 2, fixed plate 4 and fixed establishment 28, table surface 2 is fixedly arranged on the top of base 1, fixed plate 4 is arranged on both sides of table surface 2, fixed establishment 28 is arranged on the upper portion of fixed plate 4, table surface 2 is fixedly connected on the top of base 1, fixed plate 4 is fixedly connected on both sides of the top of table surface 2, fixed establishment 28 is fixedly connected on the upper portion of fixed plate 4, fixed establishment 28 includes connecting piece one 8 and fixed arm 5, connecting piece three 13 is fixedly installed on the left and right sides of connecting piece one 8, rolling shaft 14 is fixedly connected on one side of connecting piece three 13, rolling shaft 14 is fixedly connected with motor 16, sliding block two 17 is fixedly connected on the bottom of motor 16, housing 15 is arranged outside motor 16, the top of the first connecting piece 8 is provided with a welding port 12, the bottom of the first connecting piece 8 is fixedly connected with a fixed arm 5, the fixed arm 5 comprises a first rotating shaft 20 and a first connecting rod 21, the first rotating shaft 20 is fixedly connected with a fixing piece 18, the top of the fixing piece 18 is fixedly provided with the first connecting piece 8, the first rotating shaft 20 is rotatably connected with one end of the first connecting rod 21, the other end of the first connecting rod 21 is fixedly provided with a first rotating rod 22, the other end of the first rotating rod 22 is rotatably connected with one end of a second rotating rod 24, the other end of the second rotating rod 24 is rotatably connected with one end of a second connecting rod 26, the other end of the second connecting rod 26 is fixedly connected with a clamping piece 7, one side of the clamping piece 7 is fixedly connected with a rubber pad 6, one side of the rubber pad 6 is provided with an arc concave surface 27, a conveyor belt 3 is arranged below the fixed arm 5, the conveyor belt 3 is fixedly connected with a working table top 2, particularly, and the fixed plate 4 can play a role in supporting and fixing, the housing 15 can function to protect the motor 16; the first connecting piece 8 plays a role in linkage of the first rolling shaft 14 and the fixed arm 5, and the first connecting piece 8 is driven to rotate by the rotation of the first rolling shaft 14, and the fixed arm 5 is driven to rotate together;

further, the fixed plate 4 comprises sliding grooves 9, the sliding grooves 9 are formed in the outer wall of the inner side of the fixed plate 4, two groups of the fixed plate 4 are arranged, the two groups of the fixed plates 4 are connected with the fixing mechanism 28 in a sliding mode through the sliding grooves 9, specifically, the sliding grooves 9 are connected with the first sliding blocks 10 and the second sliding blocks 17 in a sliding mode, so that the fixing mechanism 28 can slide up and down to adjust the distance between the fixing arm 5 and the circuit board, and the circuit board can be clamped more stably to perform packaging work;

further, the fixing mechanism 28 further comprises a first sliding block 10 and a second sliding block 17, the first sliding block 10 and the second sliding block 17 are connected in the sliding groove 9 in a sliding manner, specifically, the sliding groove 9 and the first sliding block 10 and the second sliding block 17 are connected in a sliding manner, and the fixing arm 5 can be assisted to move up and down to send the circuit board into a specified production and processing area;

further, the rolling shaft 14 on one side of the first connecting piece 8 close to the motor 16 is fixedly connected with the output end of the motor 16, specifically, the motor 16 can drive the rolling shaft 14 to rotate when working, and the rolling shaft 14 drives the first connecting piece 8 to rotate, so that the fixing arm 5 at the bottom of the first connecting piece 8 is turned upwards to package the back of the circuit board;

furthermore, a welding opening 12 is formed in the middle of the outer surface of the top of the first connecting piece 8, the welding opening 12 is a square through hole, specifically, when the fixed arm 5 fixes the circuit board, the circuit board is lifted upwards, and at the moment, welding equipment can perform welding work on the circuit board below the first connecting piece 8 through the welding opening 12;

furthermore, the fixing mechanism 28 further comprises fixing screws 19, the fixing arms 5 are fixedly connected to the outer wall of the bottom of the first connecting piece 8 through the fixing screws 19, four groups of the fixing arms 5 are arranged around the welding opening 12, and specifically, the four groups of the fixing arms 5 are fixedly clamped in the front, back, left and right directions of the circuit board, so that the circuit board is uniformly stressed, and the circuit board is not damaged, so that the cost is wasted;

furthermore, grooves are formed in two ends of the second rotating rod 24, through holes are formed in side walls of two ends of each groove, the second rotating rod 23 and the third rotating rod 25 are sleeved with the through holes, specifically, the groove (not marked in the figure) at one end of the second rotating rod 24 is connected with the first rotating rod 22 through the second rotating rod 23, the groove at the other end of the second rotating rod 24 is rotatably connected to one end of the second connecting rod 26 through the third rotating rod 25, when the circuit board is clamped by the fixing arm 5, the circuit board can move up and down through rotation between the rotating shafts and the rotating rods, and the circuit board can be conveniently welded, packaged and the like;

further, rubber pad 6 bonds on the outer wall of clamping piece 7 one side, rubber pad 6 keeps away from clamping piece 7 one side surface and sets up arc concave surface 27, and is concrete, and clamping piece 7 one side of fixed arm 5 bottom still is equipped with curved rubber pad 6, and arc concave surface 27 can make things convenient for the circuit board card to go into in the rubber pad 6, and rubber pad 6 can play the fixed effect of antiskid and can also prevent to produce the electronic unit on the circuit board and cause the damage, also can not cause wearing and tearing to the circuit board when pressing from both sides tightly.

The utility model discloses a use as follows: a circuit board to be packaged is placed on a conveyor belt 3 by a person skilled in the art, a fixing mechanism 28 slides downwards through a sliding groove 9, the circuit board on the conveyor belt 3 is fixedly clamped from four directions through four groups of fixing arms 5 at the bottom of a first connecting piece 8, the stress is uniform, the circuit board is not damaged, and the cost is wasted; then, the circuit board is lifted to be close to a welding port 12 through the matched rotation and extension between a plurality of groups of rotating rods in the fixed arm 5 and the rotating shaft, at the moment, welding and packaging equipment can work through the welding port 12 at the top of the first connecting piece 8, when the back of the circuit board needs to be packaged, the rolling shaft 14 is driven to rotate through the work of the motor 6, the rolling shaft 14 drives the first connecting piece 8 to rotate, the fixed arm 5 at the bottom of the first connecting piece 8 is enabled to turn over 180 degrees upwards to enable the back of the circuit board to face upwards, the motor 6 stops working, at the moment, the circuit board can be welded or packaged, after the processing is completed, the motor 6 turns down the circuit board, the fixed arm 5 loosens the circuit board to the conveyor belt 3 to complete the packaging work, the production efficiency is not required to be manually intervened, and the number of unqualified products is reduced; further reducing the production cost.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a COB packaging hardware, includes base (1), table surface (2), fixed plate (4) and fixed establishment (28), base (1) top is fixed and is provided with table surface (2), table surface (2) both sides are provided with fixed plate (4), fixed plate (4) upper portion is provided with fixed establishment (28), its characterized in that: the base (1) is fixedly connected with a workbench surface (2) at the top, the workbench surface (2) is fixedly connected with fixing plates (4) at two sides of the top, the fixing plates (4) are fixedly connected with fixing mechanisms (28) at the upper part, each fixing mechanism (28) comprises a first connecting piece (8) and a fixing arm (5), a third connecting piece (13) is fixedly installed at the left side and the right side of the first connecting piece (8), a rolling shaft (14) is fixedly connected with one side of the third connecting piece (13), a motor (16) is fixedly connected with the rolling shaft (14), a second sliding block (17) is fixedly connected with the bottom of the motor (16), a shell (15) is arranged outside the motor (16), a welding port (12) is formed at the top of the first connecting piece (8), the fixing arm (5) is fixedly connected with the bottom of the first connecting piece (8), and the fixing arm (5) comprises a first rotating shaft (20) and a first connecting rod (21), the utility model discloses a fixing device for the motor vehicle, including pivot one (20) fixed connection mounting (18), mounting (18) top fixed mounting connecting piece (8), pivot one (20) are rotated and are connected in connecting rod one (21) one end, connecting rod one (21) other end fixed mounting bull stick one (22), bull stick one (22) other end is rotated and is connected bull stick two (24) one end, bull stick two (24) other end is rotated and is connected in connecting rod two (26) one end, connecting rod two (26) other end fixed connection clamping piece (7), clamping piece (7) one side fixed connection rubber pad (6), rubber pad (6) one side is equipped with arc concave surface (27), fixed arm (5) below is provided with conveyer belt (3), conveyer belt (3) fixed connection table surface (2).

2. The COB packaging apparatus of claim 1, wherein: the fixing plate (4) comprises sliding grooves (9), the sliding grooves (9) are formed in the outer wall of the inner side of the fixing plate (4), two groups of fixing plates (4) are arranged, and the two groups of fixing plates (4) are connected with fixing mechanisms (28) in a sliding mode through the sliding grooves (9).

3. The COB packaging apparatus of claim 1, wherein: the fixing mechanism (28) further comprises a first sliding block (10) and a second sliding block (17), and the first sliding block (10) and the second sliding block (17) are connected in the sliding groove (9) in a sliding mode.

4. The COB packaging apparatus of claim 1, wherein: and the rolling shaft (14) at one side of the first connecting piece (8) close to the motor (16) is fixedly connected with the output end of the motor (16).

5. The COB packaging apparatus of claim 1, wherein: a welding opening (12) is formed in the middle of the outer surface of the top of the first connecting piece (8), and the welding opening (12) is a square through hole.

6. The COB packaging apparatus of claim 1, wherein: fixed establishment (28) still include set screw (19), fixed arm (5) are through set screw (19) fixed connection on connecting piece (8) bottom outer wall, fixed arm (5) are provided with four groups, four groups fixed arm (5) set up around welding mouth (12).

7. The COB packaging apparatus of claim 1, wherein: grooves are formed in two ends of the second rotating rod (24), and through holes are formed in the side walls of the two ends of each groove and are sleeved with the second rotating shaft (23) and the third rotating shaft (25).

8. The COB packaging apparatus of claim 1, wherein: a rubber pad (6) is bonded on the outer wall of one side of the clamping piece (7), and an arc-shaped concave surface (27) is arranged on the outer surface of one side, far away from the clamping piece (7), of the rubber pad (6).