CN110505760B

CN110505760B - Selective vacuum resin hole plugging machine

Info

Publication number: CN110505760B
Application number: CN201910648356.9A
Authority: CN
Inventors: 陈超鹏
Original assignee: Zhuji Xunxianyun Technology Co Ltd
Current assignee: Zhuji Xunxianyun Technology Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-11-06
Anticipated expiration: 2039-07-18
Also published as: CN111712042A; CN110505760A

Abstract

The invention discloses a selective vacuum resin hole plugging machine, which relates to a hole plugging machine and comprises a base, wherein a supporting upright post is fixedly connected above the base in a bilateral symmetry mode, the top of the supporting upright post is fixedly connected with a melting box, the side wall of the melting box is fixedly connected with a plurality of electric heating tubes, the top of the melting box is fixedly connected with a motor, the output end of the motor is fixedly connected with a longitudinal rotating shaft, the outer side of the longitudinal rotating shaft is fixedly connected with a stirring blade, the stirring blade is positioned in the melting box, a rotary crushing rod is fixedly connected above the stirring blade, and a plurality of defoaming needles are fixedly connected to the outer side. The device has a simple structure, is convenient to use, realizes the stirring of the resin and the driving of the extrusion pump through the single motor when in use, eliminates bubbles in the resin through the defoaming needle when in use, has a good bubble breaking effect, realizes bubble-free selective hole plugging by matching with the camera, can also realize the removal of excessive resin, is more convenient to use, and is worthy of popularization.

Description

Selective vacuum resin hole plugging machine

Technical Field

The invention relates to a hole plugging machine, in particular to a selective vacuum resin hole plugging machine.

Background

The resin hole-plugging process flow is more and more widely applied in the PCB industry in recent years, and is particularly favored in products with high layer number and large board thickness. It is desirable to use resin plugs to solve a number of problems that cannot be solved by using green oil plugs or press-fit resin plugs. However, due to the nature of the resin used in such processes, a number of difficulties need to be overcome in fabrication to achieve good resin plug hole product quality.

Chinese patent (No. CN 204217235U) discloses a vacuum resin hole plugging machine, which comprises a frame, a resin extrusion device and a vacuum pump, wherein the frame is provided with a vacuum chamber, the resin extrusion device is arranged in the vacuum chamber, the resin extrusion device comprises a resin extrusion bracket and two resin extrusion seats, each resin extrusion seat is provided with a resin extrusion groove, a plurality of resin extrusion holes are arranged in the resin extrusion groove, the inner side end surface of each resin extrusion seat is provided with a sealing ring, the vacuum pump is respectively communicated with the vacuum chamber and the resin extrusion grooves of the two resin extrusion seats through pipelines, the invention utilizes the vacuum pump to pump vacuum in the resin extrusion grooves and the vacuum chamber to form a double vacuum pumping system, effectively improves the vacuum degree of the resin extrusion grooves and the extrusion environment, can ensure the vacuum degree of the resin extrusion grooves, and reduces the defects of bubbles wrapped in the resin, underfilled hole plugging, sunken orifices and the like, the resin extrusion grooves are sufficient and uniform, and the resin overflow to the surface of the PCB is reduced. But this device is less effective in reducing the number of bubbles by evacuation.

Disclosure of Invention

The present invention is directed to a selective vacuum resin plugging machine to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a selective vacuum resin hole plugging machine comprises a base, wherein a supporting upright post is fixedly connected above the base in a bilateral symmetry mode, the top of the supporting upright post is fixedly connected with a melting box, the side wall of the melting box is fixedly connected with a plurality of electric heating tubes, the top of the melting box is fixedly connected with a motor, the output end of the motor is fixedly connected with a longitudinal rotating shaft, the outer side of the longitudinal rotating shaft is fixedly connected with a stirring blade, the stirring blade is positioned in the melting box, a rotary crushing rod is fixedly connected above the stirring blade, and a plurality of defoaming needles are fixedly connected to the outer side of the; the vertical rotating shaft penetrates through the melting box to be connected with a cam, the left side supporting upright post is fixedly connected with an extrusion pump on the right side, the upper portion of the extrusion pump is connected with the melting box through a rubber inlet pipe, the middle portion of the rubber inlet pipe is fixedly connected with an electromagnetic valve, the lower portion of the extrusion pump is connected with a plug hole head through a rubber outlet pipe, and the cam is matched with the input end of the extrusion pump.

As a further scheme of the invention: the base bottom bilateral symmetry fixedly connected with supporting pad, the supporting pad adopts bolt and base fixed connection.

As a still further scheme of the invention: the top of the melting box is provided with a feed inlet.

As a still further scheme of the invention: and the left side of the bottom of the melting box is fixedly connected with a bubble detector.

As a still further scheme of the invention: the hole plugging machine is arranged on the outer side of the conveying belt.

As a still further scheme of the invention: and the left side is fixedly connected with a camera on the supporting upright post, and the camera is positioned above the conveying belt.

As a still further scheme of the invention: the bottom of the longitudinal rotating shaft is fixedly connected with a connecting seat, a sponge is fixedly connected below the connecting seat, and the sponge is located above the conveying belt.

As a still further scheme of the invention: the motor is electrically connected with the power supply through the switch.

As a still further scheme of the invention: the camera is electrically connected with the motor.

Compared with the prior art, the invention has the beneficial effects that: the device has a simple structure, is convenient to use, realizes the stirring of the resin and the driving of the extrusion pump through the single motor when in use, eliminates bubbles in the resin through the defoaming needle when in use, has a good bubble breaking effect, realizes bubble-free selective hole plugging by matching with the camera, can also realize the removal of excessive resin, is more convenient to use, and is worthy of popularization.

Drawings

FIG. 1 is a schematic diagram of a selective vacuum resin plugging machine;

FIG. 2 is a schematic diagram of a cam in a selective vacuum resin plugging machine;

FIG. 3 is a schematic top view of a selective vacuum resin plugging machine;

in the figure: 1-base, 2-supporting pad, 3-supporting column, 4-melting box, 5-electrothermal tube, 6-charging hole, 7-motor, 8-longitudinal rotating shaft, 9-stirring blade, 10-rotating crushing rod, 11-defoaming needle, 12-bubble detector, 13-cam, 14-extrusion pump, 15-rubber inlet tube, 16-rubber outlet tube, 17-plug hole head, 18-camera, 19-conveyor belt, 20-connecting seat, 21-sponge and 22-electromagnetic valve.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The first embodiment is as follows: referring to fig. 1-3, a selective vacuum resin hole plugging machine comprises a base 1, wherein a support upright 3 is fixedly connected above the base 1 in a bilateral symmetry manner, the top of the support upright 3 is fixedly connected with a melting box 4, the side wall of the melting box 4 is fixedly connected with a plurality of electric heating tubes 5, the top of the melting box 4 is fixedly connected with a motor 7, the output end of the motor 7 is fixedly connected with a longitudinal rotating shaft 8, the outer side of the longitudinal rotating shaft 8 is fixedly connected with a stirring blade 9, the stirring blade 9 is positioned in the melting box 4, a rotary crushing rod 10 is fixedly connected above the stirring blade 9, the outer side of the rotary crushing rod 10 is fixedly connected with a plurality of defoaming needles 11, and the left side of the bottom of the;

when the resin defoaming machine is used, resin raw materials required by plugging holes are placed in the melting box 4, then the electric heating tube 5 and the motor 7 are started, the electromagnetic valve 22 is closed, the electric heating tube 5 heats the resin to melt the resin, meanwhile, the motor 7 rotates to drive the longitudinal rotating shaft 8 to rotate, the longitudinal rotating shaft 8 rotates to drive the stirring blade 9 to rotate, the stirring blade 9 can drive the raw materials to move, so that the raw materials are uniformly melted, the bubble detector 12 can detect whether bubbles are contained in the resin, and the motor 7 is continuously started when the bubbles are contained, so that the crushing rod 10 is rotated to drive the defoaming needle 11 to rotate for defoaming;

the longitudinal rotating shaft 8 penetrates through the melting box 4 and is connected with a cam 13, the right side of the left supporting upright post 3 is fixedly connected with an extrusion pump 14, the upper part of the extrusion pump 14 is connected with the melting box 4 through a rubber inlet pipe 15, the middle part of the rubber inlet pipe 15 is fixedly connected with an electromagnetic valve 22, the lower part of the extrusion pump 14 is connected with a hole plugging head 17 through a rubber outlet pipe 16, the cam 13 is matched with the input end of the extrusion pump 14, the left supporting upright post 3 is fixedly connected with a camera 18, and the camera 18 is positioned above a conveying belt 19;

after defoaming is completed, a plate needing hole plugging can be conveyed forwards through the conveying belt 19, the camera 18 and the electromagnetic valve 22 are simultaneously opened, the camera 18 monitors a hole plugging piece to be plugged in real time, the motor 7 rotates to drive the cam 13 outside the longitudinal rotating shaft 8 to rotate, the extrusion pump 14 can be extruded, hole plugging operation is realized, hole plugging of corresponding positions can be realized by controlling the rotating speed of the motor 7, and the technical means is the prior art.

The base 1 bottom bilateral symmetry fixedly connected with supporting pad 2, supporting pad 2 adopts bolt and base 1 fixed connection.

The top of the melting box 4 is provided with a feed inlet 6.

The plugger is mounted outside the conveyor belt 19.

The motor 7 is electrically connected with a power supply through a switch.

The camera 18 is electrically connected with the motor 7.

Example two: this embodiment is a further improvement of the previous embodiment: the bottom of the longitudinal rotating shaft 8 is fixedly connected with a connecting seat 20, a sponge 21 is fixedly connected below the connecting seat 20, the sponge 21 is located above the conveying belt 19, the workpiece in the hole is plugged after the hole plugging is completed, the conveying belt 19 moves rightwards and is in contact with the sponge 21, redundant resin can be sucked, and the phenomenon that the resin is filled too much is avoided.

The working principle of the invention is as follows: when the invention is used, resin raw materials required by hole plugging are placed in a melting box 4, then an electric heating tube 5 and a motor 7 are started, an electromagnetic valve 22 is closed, the electric heating tube 5 heats the resin to be melted, simultaneously the motor 7 rotates to drive a longitudinal rotating shaft 8 to rotate, the longitudinal rotating shaft 8 rotates to drive a stirring blade 9 to rotate, the stirring blade 9 can drive the raw materials to move to promote the raw materials to be melted uniformly, a bubble detector 12 can detect whether bubbles are contained in the resin, the motor 7 is continuously started when the bubbles are contained, a crushing rod 10 is rotated to drive a defoaming needle 11 to rotate for defoaming, after the defoaming is completed, a plate needing hole plugging can be conveyed forwards through a conveyor belt 19, a camera 18 and the electromagnetic valve 22 are started, the camera 18 monitors a hole to be plugged piece needing to be plugged in real time, the motor 7 rotates to drive a cam 13 outside the longitudinal rotating shaft 8 to rotate, and an, the hole plugging operation is realized, the hole plugging of the corresponding position can be realized by controlling the rotating speed of the motor 7, the technical means is the prior art, the workpiece delay conveyor belt 19 which is plugged with the hole after the hole plugging is completed moves rightwards and is in contact with the sponge 21, the redundant resin can be sucked, and the excessive resin filling is avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A selective vacuum resin hole plugging machine comprises a base (1), wherein support columns (3) are fixedly connected to the upper portion of the base (1) in a bilateral symmetry mode, the top of each support column (3) is fixedly connected with a melting box (4), the side wall of each melting box (4) is fixedly connected with a plurality of electric heating tubes (5), and the top of each melting box (4) is fixedly connected with a motor (7), and the selective vacuum resin hole plugging machine is characterized in that the output end of each motor (7) is fixedly connected with a longitudinal rotating shaft (8), the outer side of each longitudinal rotating shaft (8) is fixedly connected with a stirring blade (9), each stirring blade (9) is located in each melting box (4), a rotating crushing rod (10) is fixedly connected to the upper portion of each stirring blade (9), and a plurality of defoaming; vertical pivot (8) run through and melt case (4) and be connected with cam (13), left side support post (3) right side fixedly connected with extruder pump (14), extruder pump (14) top is connected with melting case (4) through advancing rubber tube (15), advance rubber tube (15) middle part fixedly connected with solenoid valve (22), extruder pump (14) below is connected with plug hole head (17) through rubber outlet pipe (16), cam (13) cooperate with extruder pump (14) input.

2. The selective vacuum resin plugging machine according to claim 1, wherein the bottom of the base (1) is fixedly connected with the supporting pads (2) in bilateral symmetry, and the supporting pads (2) are fixedly connected with the base (1) by bolts.

3. The selective vacuum resin plugging machine according to claim 1, wherein said melting box (4) is opened with a feed inlet (6) at the top.

4. The selective vacuum resin plugging machine according to claim 1, wherein a bubble detector (12) is fixedly connected to the left side of the bottom of the melting tank (4).

5. Selective vacuum resin plughole machine according to claim 1, characterised in that the plughole machine is mounted outside a conveyor belt (19).

6. A selective vacuum resin plugging machine according to claim 5, wherein a camera (18) is fixedly connected to said support column (3) on the left, said camera (18) being located above said conveyor belt (19).

7. The selective vacuum resin plugging machine according to claim 5, wherein a connecting base (20) is fixedly connected to the bottom of the longitudinal rotating shaft (8), a sponge (21) is fixedly connected to the lower portion of the connecting base (20), and the sponge (21) is located above the conveyor belt (19).

8. The selective vacuum resin plugging machine according to claim 1, wherein said motor (7) is electrically connected to a power source through a switch.

9. A selective vacuum resin plugging machine according to claim 6, wherein said camera (18) is electrically connected to a motor (7).