High-density vacuum screen printing hole plugging machine

Abstract

The invention relates to the technical field of electronic circuit board manufacturing, and discloses a high-density vacuum screen printing hole plugging machine which comprises an equipment shell, a layering plate is fixedly installed in the equipment shell and divides the interior of the equipment shell into an upper part and a lower part, and an electric rotating disc is fixedly installed on the layering plate. The rotating end of the electric rotating disc is located above the layering plate, four containing plates are fixedly installed at the top of the rotating end of the electric rotating disc and are distributed in a circumferential array mode, a first air cylinder drives a first connecting frame to move downwards, then a vacuum bin is driven to move downwards, and a sealing ring at the bottom of the vacuum bin is tightly pressed on the containing plates; then a closed space is formed and covers the electronic circuit board, clean gas in the clean gas tank is pumped into the vacuum bin through the first pressurizing air pump, on one hand, original air in the vacuum bin is replaced, on the other hand, dust on the electronic circuit board is blown away, and the influence of the dust on the plug hole is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of electronic circuit board manufacturing, in particular to a high-density vacuum screen printing via plugging machine. Background Art

[0002] High-density vacuum screen printing plugging machine is a device used in the field of electronic circuit board manufacturing, which is specially used for plugging holes on high-density circuit boards. The device combines vacuum technology with screen printing technology. During the plugging process, the circuit board is first placed in a sealed working area, and then the air is extracted by a vacuum pump to form a vacuum environment in the working area. Then, a scraper or scraper is used to squeeze plugging materials such as ink and resin into the holes of the circuit board through the pattern or holes on the screen, thereby achieving plugging. In a vacuum environment, the bubbles in the plugging material will be effectively discharged, avoiding the common plugging bubbles and incomplete plugging problems in traditional screen printing plugging, and greatly improving the plugging quality;

[0003] There are some factors that affect the quality of high-density vacuum screen printing plugging machines during the production process, such as dust on electronic circuit boards, dust in the working environment, temperature and humidity, etc. These factors will lead to a decrease in the yield rate, and the existing high-density vacuum screen printing plugging machines generally only have two processing tables, one for plugging and the other for loading and unloading. This design requires a single table to have multiple functions such as positioning, loading and unloading, and the table is large and not easy to maintain. Summary of the invention

[0004] The object of the present invention is to provide a high-density vacuum screen printing plugging machine to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a high-density vacuum screen printing plugging machine, comprising a device housing, a layered plate is fixedly installed inside the device housing, the layered plate divides the inside of the device housing into two parts, an electric turntable is fixedly installed on the layered plate, the rotating end of the electric turntable is located above the layered plate, a placement plate is fixedly installed on the top of the rotating end of the electric turntable, and four placement plates are provided and distributed in a circular array;

[0006] A vacuum plugging hole assembly and a positioning assembly are arranged inside the device housing, a lower material bin is arranged on the left side of the device housing, and an upper material bin is arranged on the front side of the device housing. The vacuum plugging hole assembly, the positioning assembly, the upper material bin, and the lower material bin respectively correspond to a placement plate, and the upper material bin and the vacuum plugging hole assembly are symmetrically arranged front to back.

[0007] Furthermore, the vacuum plugging assembly includes a cylinder 1, a booster air pump 1, and a vacuum pump. The cylinder 1 is fixedly installed on the top inner wall of the equipment housing. A connecting frame 1 is fixedly installed on the extended end of the cylinder 1. A vacuum bin is fixedly installed on the bottom of the connecting frame 1. A sealing ring is fixedly installed on the bottom of the vacuum bin. A cylinder 2 is fixedly installed on the top of the vacuum bin. The extended end of the cylinder 2 is located in the vacuum bin. A lifting plate is fixedly installed on the extended end of the cylinder 2. A scraper component is provided at the bottom of the lifting plate. The top of the lifting plate is fixedly installed. A spray head is provided, the nozzle of the spray head extends to the bottom of the lifting plate, a one-way exhaust pipe is provided on the left and right sides of the vacuum chamber, the air outlet end of the booster air pump is connected to the inside of the vacuum chamber through a high-pressure hose, the air inlet end of the vacuum pump is connected to the inside of the vacuum chamber through a high-pressure hose, the electric air inlet end of the booster air pump is connected to a clean gas tank through a pipeline, a partition component is provided inside the vacuum chamber, the partition component is located above the one-way exhaust pipe, and the partition component is located below the connection between the booster air pump, the vacuum pump and the vacuum chamber.

[0008] Furthermore, the partition component includes an electric telescopic rod, which is fixedly mounted on the outer wall of the vacuum bin. Two electric telescopic rods are provided and are respectively mounted on the left and right outer walls of the vacuum bin. A partition plate is fixedly mounted on the extended end of the electric telescopic rod. The partition plate is slidably mounted in the vacuum bin, and a sealing gasket is fixedly mounted on the outer wall of the partition plate away from the electric telescopic rod.

[0009] Furthermore, the scraper component includes a scraper frame and a motor driver. The scraper frame is arranged below the lifting plate, and the scraper frame is slidably arranged on a T-shaped slide rail at the bottom of the lifting plate. An elastic scraper is fixedly installed at the bottom of the scraper frame. The output end of the motor driver is connected to a screw rod through a pulley group. The outer wall of the screw rod is threadedly connected to the inner wall of the scraper frame. The outer wall of the screw rod is provided with a fixed plate through a bearing rotating sleeve, and the fixed plate is fixedly installed on the side outer wall of the lifting plate.

[0010] Furthermore, positioning holes are provided at the four corners of the top of the placement plate, a limiting frame is placed on the top of the placement plate, positioning columns are provided at the four corners of the bottom of the limiting frame, and the positioning columns are inserted into the positioning holes on the placement plate.

[0011] Furthermore, a plugging material box is fixedly mounted on the inner wall of the device housing, and the bottom of the plugging material box is connected to the input port of the spray head through a hose.

[0012] Furthermore, the positioning assembly includes a cylinder three, and the cylinder three is fixedly mounted on the top inner wall of the equipment housing, and a connecting frame two is fixedly mounted on the extended end of the cylinder three, and a servo motor is fixedly mounted on the connecting frame two, and a rotating shaft is fixedly mounted on the output end of the servo motor, and a bidirectional electric slide is fixedly mounted on the bottom end of the rotating shaft, and a mounting seat is fixedly mounted on the movable end of the bidirectional electric slide, and a magnetic clamp is fixedly mounted on the bottom of the mounting seat, and the central axis of the rotating shaft is parallel to the central axis of the rotating end of the electric turntable.

[0013] Furthermore, a chassis door is installed on the front of the device housing, an inspection door is installed on the back of the device housing, a transparent glass plate is installed on the left side of the device housing, the chassis door is located below the layer plate, and the inspection door and the transparent glass plate are located above the layer plate.

[0014] Furthermore, a temperature sensor and a humidity sensor are fixedly installed on the inner wall of the vacuum chamber, and the temperature sensor and the humidity sensor are located above the spray head.

[0015] Furthermore, the back side of the upper material bin and the right side side of the lower material bin are both located inside the equipment casing, a bin door 1 is installed on the front side of the upper material bin, a one-way exhaust pipe 2 is connected to the top of the upper material bin, a booster air pump 2 is arranged outside the equipment casing, an air inlet end of the booster air pump 2 is connected to the air outlet end of the clean gas tank, and an air outlet end of the booster air pump 2 is connected to the interior of the upper material bin through a pipeline, a bin door 2 is installed on the left outer wall of the lower material bin, and a connecting port is opened on the right side side of the lower material bin.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The cylinder drives the connecting frame to move downward, and then drives the vacuum chamber to move downward, so that the sealing ring at the bottom of the vacuum chamber is tightly pressed on the placement plate, and then a closed space is formed, and the electronic circuit board is covered. The clean gas in the clean gas tank is pumped into the vacuum chamber through the booster air pump, which replaces the original air in the vacuum chamber on the one hand, and blows away the dust on the electronic circuit board on the other hand to avoid the influence of dust on the plugging hole;

[0018] 2. Use a vacuum pump to evacuate the vacuum chamber, and use cylinder 2 to drive the lifting plate downward so that the scraper component at the bottom of the lifting plate can contact the electronic circuit board. A spray head is provided to spray out the plugging material, and a separation component is provided to separate the electronic circuit board and the scraper component before plugging the hole, so as to reduce the contact between the outside air and the scraper component, spray head and other structures, thereby preventing dust from being adsorbed on the spray head and scraper component;

[0019] 3. The magnetic suction fixture is provided to suck the limit frame on the one hand and then change the position of the limit frame, and on the other hand, it can also push the electronic circuit to move, which is used to adjust the position of the electronic circuit board, especially when the electronic circuit board is pushed into the unloading bin after the plugging hole, the connecting frame 2 can be driven downward by the cylinder 3, and the servo motor can be driven downward, and the servo motor can be driven downward to drive the rotating shaft to move downward, and then the two-way electric slide rail can be driven downward to drive the mounting seat to move downward, and then the magnetic suction fixture can be driven downward to align the magnetic suction fixture with the limit frame, and then the mounting seat can be driven to move by the two-way electric slide rail, and then the magnetic suction fixture can be driven to move, so that the magnetic suction fixture can contact with the limit frame, and then suck the limit frame, take out the limit frame, and then the servo motor drives the rotating shaft to rotate, so that the magnetic suction fixture moves in a circle, and the limit frame is transported to another placement plate, and the other magnetic suction fixture can push the electronic circuit board to move;

[0020] 4. The first door is used to open the upper bin, and then the electronic circuit board is placed in the upper bin. The clean air in the clean gas tank is pumped into the upper bin through the booster pump 2. On the one hand, it replaces the air mixed with dust in the upper bin, and on the other hand, it blows away the dust on the electronic circuit. The excess gas in the upper bin is discharged through the one-way exhaust pipe 2. The second door is set to open the lower bin, and then the electronic circuit board is taken away. The connecting port is set for the electronic circuit board to enter the lower bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 For the present invention Figure 1 A schematic diagram of the structure of the back view;

[0023] Figure 3 For the present invention Figure 1 A schematic diagram of the structure of the left side cross-sectional view;

[0024] Figure 4 For the present invention Figure 1 A schematic diagram of the structure in a front cross-sectional view;

[0025] Figure 5 It is a structural schematic diagram of the electric turntable and the placement plate of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the vacuum plugging assembly of the present invention;

[0027] Figure 7 It is a structural schematic diagram of a front cross-sectional view of a vacuum chamber of the present invention;

[0028] Figure 8 It is a structural schematic diagram of the internal structure of the vacuum chamber of the present invention;

[0029] Fig. 9It is a structural schematic diagram of the positioning assembly of the present invention;

[0030] Fig.10 It is a schematic diagram of the structure of the loading bin and the booster air pump 2 of the present invention.

[0031] In the figure: 1. Equipment shell; 2. Layering plate; 3. Electric turntable; 4. Placement plate; 5. Limit frame; 6. Vacuum plug hole assembly; 601. Vacuum chamber; 602. Sealing ring; 603. Cylinder 1; 604. Connecting frame 1; 605. Partition component; 606. One-way exhaust pipe 1; 607. Lifting plate; 608. Spray head; 609. Scraper component; 6010. Cylinder 2; 6011. Booster pump 1; 6012. Vacuum pump; 6013. Clean gas tank; 6051. Electric telescopic rod; 6052. Partition plate; 6053. Sealing pad; 6091. Scraper frame; 6092. Spring Scraper; 6093, screw rod; 6094, motor driver; 6095, fixing plate; 7, positioning assembly; 701, cylinder three; 702, connecting frame two; 703, servo motor; 704, rotating shaft; 705, bidirectional electric slide rail; 706, mounting seat; 707, magnetic clamp; 8, loading bin; 801, bin door one; 803, booster air pump two; 804, one-way exhaust pipe two; 9, unloading bin; 901, bin door two; 902, connecting port; 10, chassis door; 11, inspection door; 12, transparent glass plate; 13, plugging material box; 14, temperature sensor; 15, humidity sensor. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] Embodiment 1

[0034] See also Figure 1-Figure 9 The present invention provides a technical solution: a high-density vacuum screen printing plugging machine, comprising an equipment housing 1, a layered plate 2 is fixedly installed inside the equipment housing 1, the layered plate 2 divides the inside of the equipment housing 1 into two parts, an upper part and an lower part, an electric turntable 3 is fixedly installed on the layered plate 2, the rotating end of the electric turntable 3 is located above the layered plate 2, and a placement plate 4 is fixedly installed on the top of the rotating end of the electric turntable 3. Four placement plates 4 are provided and distributed in a circular array. Four placement plates 4 are provided to correspond to the four processes of loading, unloading, positioning and plugging, and are used to respectively set structures to perform the four processes;

[0035] A vacuum plugging assembly 6 and a positioning assembly 7 are arranged inside the equipment housing 1. A lower material bin 9 is arranged on the left side of the equipment housing 1. An upper material bin 8 is arranged on the front side of the equipment housing 1. The vacuum plugging assembly 6, the positioning assembly 7, the upper material bin 8 and the lower material bin 9 correspond to a placement plate 4 respectively. The upper material bin 8 and the vacuum plugging assembly 6 are arranged symmetrically front to back. The vacuum plugging assembly 6 is used to form a vacuum environment and then perform a plugging operation on the electronic circuit board. The positioning assembly 7 is used to position the electronic circuit board. The upper material bin 8 is arranged to place the electronic circuit board on the placement plate 4. The lower material bin 9 is arranged to collect the electronic circuit board after the plugging is completed.

[0036] The vacuum plug hole assembly 6 includes a cylinder 1 603, a booster air pump 1 6011, and a vacuum pump 6012. The cylinder 1 603 is fixedly mounted on the top inner wall of the equipment housing 1. The extended end of the cylinder 1 603 is fixedly mounted with a connecting frame 1 604. The bottom of the connecting frame 1 604 is fixedly mounted with a vacuum chamber 601. The bottom of the vacuum chamber 601 is fixedly mounted with a sealing ring 602. The top of the vacuum chamber 601 is fixedly mounted with a cylinder 2 6010. The extended end of the cylinder 2 6010 is located in the vacuum chamber 601. The extended end of the cylinder 2 6010 is fixedly mounted with a lifting plate 607. The lifting plate 607 is fixedly mounted with a sealing ring 602. A scraper component 609 is provided at the bottom, a spray head 608 is fixedly installed on the top of the lifting plate 607, and the spray head 608 extends below the lifting plate 607. The left and right sides of the vacuum chamber 601 are connected with a one-way exhaust pipe 606. The outlet end of the booster pump 6011 is connected to the inside of the vacuum chamber 601 through a high-pressure hose, and the air inlet end of the vacuum pump 6012 is connected to the inside of the vacuum chamber 601 through a high-pressure hose. The electric air inlet end of the booster pump 6011 is connected to a clean gas tank 6013 through a pipeline. The interior of the vacuum chamber 601 is provided with a partition component 605, and the partition part The component 605 is located above the one-way exhaust pipe 606, and the partition component 605 is located below the connection between the booster pump 6011, the vacuum pump 6012 and the vacuum chamber 601. The cylinder 603 drives the connecting frame 604 to move downward, and then drives the vacuum chamber 601 to move downward, so that the sealing ring 602 at the bottom of the vacuum chamber 601 is tightly pressed on the placement plate 4, and then a closed space is formed to cover the electronic circuit board. The clean gas in the clean gas tank 6013 is pumped into the vacuum chamber 601 through the booster pump 6011, on the one hand, replacing the original air in the vacuum chamber 601, and on the other hand, On the one hand, the dust on the electronic circuit board is blown away to avoid the influence of the dust on the plugging hole. The vacuum chamber 601 is evacuated by the vacuum pump 6012, and the lifting plate 607 is driven downward by the cylinder 6010, so that the scraper component 609 at the bottom of the lifting plate 607 can contact the electronic circuit board. The spray head 608 is provided to spray the plugging hole material, and the partition component 605 is provided to separate the electronic circuit board and the scraper component 609 before the plugging hole, so as to reduce the contact between the outside air and the scraper component 609, the spray head 608 and other structures, thereby avoiding the dust from being adsorbed on the spray head 608 and the scraper component 609;

[0037] The partition component 605 includes an electric telescopic rod 6051, which is fixedly mounted on the outer wall of the vacuum chamber 601. Two electric telescopic rods 6051 are provided, and are respectively installed on the left and right outer walls of the vacuum chamber 601. A partition plate 6052 is fixedly mounted on the extended end of the electric telescopic rod 6051. The partition plate 6052 is slidably arranged in the vacuum chamber 601. A sealing gasket 6053 is fixedly mounted on the outer wall of the partition plate 6052 away from the electric telescopic rod 6051. The partition plate 6052 is driven to move by the electric telescopic rod 6051 to achieve separation and connection. The sealing gasket 6053 is provided to ensure that the contact part of the two partition plates 6052 has sufficient sealing.

[0038] The scraper component 609 includes a scraper frame 6091 and a motor driver 6094. The scraper frame 6091 is arranged below the lifting plate 607, and the scraper frame 6091 is slidably arranged on a T-shaped slide rail at the bottom of the lifting plate 607. An elastic scraper 6092 is fixedly installed at the bottom of the scraper frame 6091. The output end of the motor driver 6094 is connected to a screw rod 6093 through a pulley group. The outer wall of the screw rod 6093 is threadedly connected to the inner wall of the scraper frame 6091. The outer wall of the screw rod 6093 is provided with a fixed plate 6095 through a bearing rotation sleeve. The fixed plate 6095 is fixedly installed on the side outer wall of the lifting plate 607. The screw rod 6093 is driven to rotate by the motor driver 6094, thereby driving the scraper frame 6091 to move, so that the elastic scraper 6092 at the bottom of the scraper frame 6091 scrapes the material into the plug hole.

[0039] Positioning holes are provided at the four corners of the top of the placement plate 4, and a limiting frame 5 is placed on the top of the placement plate 4. Positioning posts are provided at the four corners of the bottom of the limiting frame 5, and the positioning posts are inserted into the positioning holes on the placement plate 4. The limiting frame 5 is provided to limit and position the electronic circuit board, and the corresponding limiting frame 5 can be selected according to the specifications of the same batch of electronic circuit boards;

[0040] A plugging material box 13 is fixedly mounted on the inner wall of the device housing 1. The bottom of the plugging material box 13 is connected to the input port of the spray head 608 through a hose. The plugging material box 13 is provided to replenish the plugging material into the spray head 608.

[0041] The positioning assembly 7 includes a cylinder three 701, which is fixedly mounted on the top inner wall of the device housing 1, a connecting frame two 702 is fixedly mounted on the extended end of the cylinder three 701, a servo motor 703 is fixedly mounted on the connecting frame two 702, a rotating shaft 704 is fixedly mounted on the output end of the servo motor 703, a bidirectional electric slide rail 705 is fixedly mounted on the bottom end of the rotating shaft 704, a mounting seat 706 is fixedly mounted on the movable end of the bidirectional electric slide rail 705, a magnetic clamp 707 is fixedly mounted on the bottom of the mounting seat 706, the central axis of the rotating shaft 704 is parallel to the central axis of the rotating end of the electric turntable 3, and the magnetic clamp 707 is provided to absorb the limit frame 5 on the one hand, and then change the position of the limit frame 5, and on the other hand, it can also promote the movement of the electronic circuit, which is used to adjust the position of the electronic circuit board, especially after the plugging hole is pushed into the electronic circuit board. When the material is in the unloading bin 9, the cylinder 3 701 can be used to drive the connecting frame 2 702 to move downward, and then drive the servo motor 703 to move downward, and the servo motor 703 moves downward to drive the rotating shaft 704 to move downward, and then drive the two-way electric slide rail 705 to move downward to drive the mounting seat 706 to move downward, and then drive the magnetic clamp 707 to move downward, so that the magnetic clamp 707 is aligned with the limit frame 5, and then the two-way electric slide rail 705 drives the mounting seat 706 to move, and then drives the magnetic clamp 707 to move, so that the magnetic clamp 707 can contact the limit frame 5, and then the limit frame 5 is sucked, and the limit frame 5 is taken out, and then the servo motor 703 drives the rotating shaft 704 to rotate, so that the magnetic clamp 707 performs a circular motion, and the limit frame 5 is transported to another placement plate 4, and the other magnetic clamp 707 can push the electronic circuit board to move;

[0042] A case door 10 is installed on the front of the device housing 1, an inspection door 11 is installed on the back of the device housing 1, and a transparent glass plate 12 is installed on the left side of the device housing 1. The case door 10 is located below the layer plate 2, and the inspection door 11 and the transparent glass plate 12 are located above the layer plate 2;

[0043] A temperature sensor 14 and a humidity sensor 15 are fixedly installed on the inner wall of the vacuum chamber 601. The temperature sensor 14 and the humidity sensor 15 are located above the spray head 608. The temperature sensor 14 and the humidity sensor 15 are used to detect the temperature and humidity in the vacuum chamber 601, thereby facilitating workers to control the production environment in a timely manner.

[0044] Working principle: When in use, first place a batch of electronic circuit boards into the loading bin 8, then the loading bin 8 releases one electronic circuit board at a time onto the placement plate 4, the electric turntable 3 rotates to drive the placement plate 4 to rotate, and then the electronic circuit board is transported to the position where the limit frame 5 can be placed, after the position of the electronic circuit board is adjusted by the positioning component 7, the positioning component 7 places the limit frame 5 onto the placement plate 4 to limit the electronic circuit board, and then the electric turntable 3 continues to drive the placement plate 4 to rotate, transports the electronic circuit board to the plug hole position, and starts the cylinder 1603 belt The movable connecting frame 604 moves downward, thereby driving the vacuum chamber 601 downward, so that the sealing ring 602 at the bottom of the vacuum chamber 601 is tightly pressed against the placement plate 4, and then a closed space is formed to cover the electronic circuit board. The electric telescopic rod 6051 is turned on to drive the partition plate 6052 to move, so that the partition plates 6052 are separated from each other, and the partition space is connected. While opening the partition space, the booster air pump 6011 is turned on to pump the clean gas in the clean gas tank 6013 into the vacuum chamber 601, on the one hand, replacing the original air in the vacuum chamber 601, and on the other hand, Blow away the dust on the electronic circuit board, open the spray head 608 to spray the plugging material onto the electronic circuit board, start the vacuum pump 6012 to evacuate the vacuum chamber 601, start the cylinder 2 6010 to drive the lifting plate 607 to move downward, so that the scraper component 609 at the bottom of the lifting plate 607 can contact the electronic circuit board, then start the motor driver 6094 to drive the screw rod 6093 to rotate, thereby driving the scraper frame 6091 to move, so that the elastic scraper 6092 at the bottom of the scraper frame 6091 scrapes the material into the plug hole, and after the plug hole contacts, start the cylinder 2 6010. 010 drives the lifting plate 607 to move upward, so that the scraper component 609 is reset, and the electric telescopic rod 6051 is turned on to drive the partition plate 6052 to move, so that the two partition plates 6052 are close to each other, and the upper and lower spaces in the vacuum bin 601 are separated, and the cylinder 603 is turned on to drive the connecting frame 604 to move upward, thereby driving the vacuum bin 601 to move upward to expose the electronic circuit board, and the electric turntable 3 is turned on to drive the placement plate 4 to rotate, and the electronic circuit board is transported to the lower bin 9. After the limit frame 5 is removed by the positioning component 7, the electronic circuit board is pushed into the lower bin 9.

[0045] Embodiment 2

[0046] See also Figure 1-Figure 10 The present invention provides a technical solution: a high-density vacuum screen printing plugging machine, comprising an equipment housing 1, a layered plate 2 is fixedly installed inside the equipment housing 1, the layered plate 2 divides the inside of the equipment housing 1 into two parts, an electric turntable 3 is fixedly installed on the layered plate 2, the rotating end of the electric turntable 3 is located above the layered plate 2, a placement plate 4 is fixedly installed on the top of the rotating end of the electric turntable 3, four placement plates 4 are provided, and are distributed in a circular array;

[0047] A vacuum plugging hole assembly 6 and a positioning assembly 7 are arranged inside the equipment housing 1. A lower material bin 9 is arranged on the left side of the equipment housing 1. An upper material bin 8 is arranged on the front side of the equipment housing 1. The vacuum plugging hole assembly 6, the positioning assembly 7, the upper material bin 8 and the lower material bin 9 correspond to a placement plate 4 respectively. The upper material bin 8 and the vacuum plugging hole assembly 6 are arranged symmetrically front and back.

[0048] The vacuum plug hole assembly 6 includes a cylinder 1 603, a booster air pump 1 6011, and a vacuum pump 6012. The cylinder 1 603 is fixedly installed on the top inner wall of the equipment housing 1. The extended end of the cylinder 1 603 is fixedly installed with a connecting frame 1 604. The bottom of the connecting frame 1 604 is fixedly installed with a vacuum chamber 601. The bottom of the vacuum chamber 601 is fixedly installed with a sealing ring 602. The top of the vacuum chamber 601 is fixedly installed with a cylinder 2 6010. The extended end of the cylinder 2 6010 is located in the vacuum chamber 601. The extended end of the cylinder 2 6010 is fixedly installed with a lifting plate 607. The bottom of the lifting plate 607 is provided with a scraper component 609. The top of the lifting plate 607 is fixedly installed with a spray head. 608, the nozzle of the spray head 608 extends below the lifting plate 607, the left and right sides of the vacuum chamber 601 are connected with a one-way exhaust pipe 606, the air outlet end of the booster air pump 6011 is connected with the inside of the vacuum chamber 601 through a high-pressure hose, the air inlet end of the vacuum pump 6012 is connected with the inside of the vacuum chamber 601 through a high-pressure hose, the electric air inlet end of the booster air pump 6011 is connected with a clean gas tank 6013 through a pipeline, and a partition component 605 is provided inside the vacuum chamber 601, the partition component 605 is located above the one-way exhaust pipe 606, and the partition component 605 is located below the connection between the booster air pump 6011, the vacuum pump 6012 and the vacuum chamber 601;

[0049] The partition component 605 includes an electric telescopic rod 6051, which is fixedly mounted on the outer wall of the vacuum chamber 601. Two electric telescopic rods 6051 are provided, and are respectively mounted on the left and right outer walls of the vacuum chamber 601. A partition plate 6052 is fixedly mounted on the extended end of the electric telescopic rod 6051. The partition plate 6052 is slidably arranged in the vacuum chamber 601. A sealing gasket 6053 is fixedly mounted on the outer wall of the partition plate 6052 away from the electric telescopic rod 6051.

[0050] The scraper component 609 includes a scraper frame 6091 and a motor driver 6094. The scraper frame 6091 is arranged below the lifting plate 607, and the scraper frame 6091 is slidably arranged on a T-shaped slide rail at the bottom of the lifting plate 607. An elastic scraper 6092 is fixedly installed at the bottom of the scraper frame 6091. The output end of the motor driver 6094 is connected to a screw rod 6093 through a pulley group. The outer wall of the screw rod 6093 is threadedly connected to the inner wall of the scraper frame 6091. The outer wall of the screw rod 6093 is provided with a fixed plate 6095 through a bearing rotation sleeve. The fixed plate 6095 is fixedly installed on the side outer wall of the lifting plate 607.

[0051] Positioning holes are provided at the four corners of the top of the placement plate 4, a limiting frame 5 is placed on the top of the placement plate 4, and positioning columns are provided at the four corners of the bottom of the limiting frame 5, and the positioning columns are inserted into the positioning holes on the placement plate 4;

[0052] A plugging material box 13 is fixedly mounted on the inner wall of the equipment housing 1, and the bottom of the plugging material box 13 is connected to the input port of the spray head 608 through a hose;

[0053] The positioning assembly 7 includes a cylinder 3 701, which is fixedly mounted on the top inner wall of the equipment housing 1, a connecting frame 2 702 is fixedly mounted on the extended end of the cylinder 3 701, a servo motor 703 is fixedly mounted on the connecting frame 2 702, a rotating shaft 704 is fixedly mounted on the output end of the servo motor 703, a bidirectional electric slide rail 705 is fixedly mounted on the bottom end of the rotating shaft 704, a mounting seat 706 is fixedly mounted on the movable end of the bidirectional electric slide rail 705, a magnetic clamp 707 is fixedly mounted on the bottom of the mounting seat 706, and the central axis of the rotating shaft 704 is parallel to the central axis of the rotating end of the electric turntable 3;

[0054] A case door 10 is installed on the front of the device housing 1, an inspection door 11 is installed on the back of the device housing 1, and a transparent glass plate 12 is installed on the left side of the device housing 1. The case door 10 is located below the layer plate 2, and the inspection door 11 and the transparent glass plate 12 are located above the layer plate 2;

[0055] The inner wall of the vacuum chamber 601 is fixedly mounted with a temperature sensor 14 and a humidity sensor 15, and the temperature sensor 14 and the humidity sensor 15 are located above the spray head 608;

[0056] The back of the upper bin 8 and the right side of the lower bin 9 are both located in the equipment housing 1. A bin door 801 is installed on the front of the upper bin 8. A one-way exhaust pipe 804 is provided on the top of the upper bin 8. A booster air pump 803 is provided outside the equipment housing 1. The air inlet end of the booster air pump 803 is connected to the air outlet end of the clean gas tank 6013. The air outlet end of the booster air pump 803 is connected to the inside of the upper bin 8 through a pipeline. A bin door 901 is installed on the left outer wall of the lower bin 9. A connecting port 902 is provided on the right side of the lower bin 9. The warehouse door 801 is used to open the upper bin 8, and then the electronic circuit board is placed in the upper bin 8. The clean air in the clean gas tank 6013 is pumped into the upper bin 8 through the booster pump 803. On the one hand, it replaces the air mixed with dust in the upper bin 8, and on the other hand, it blows away the dust on the electronic circuit. The excess gas in the upper bin 8 is discharged through the one-way exhaust pipe 804. The warehouse door 901 is set to open the lower bin 9, and then the electronic circuit board is taken away. The connecting port 902 is set for the electronic circuit board to enter the lower bin 9.

[0057] Working principle: When in use, before plugging the hole, open the bin door 801, place a batch of electronic circuit boards into the upper bin 8, and then turn on the booster air pump 803 to pump the clean air in the clean gas tank 6013 into the upper bin 8. On the one hand, it replaces the air mixed with dust in the upper bin 8, and on the other hand, it blows away the dust on the electronic circuit. After the electronic circuit board passes through the plugging hole, it is transported to the vicinity of the connecting port 902. At this time, the positioning component 7 pushes the electronic circuit board into the lower bin 9, and the bin door 901 is opened to take out the electronic circuit board in the lower bin 9.

[0058] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A high-density vacuum screen printing plugging machine, comprising a device housing (1), characterized in that: A layered plate (2) is fixedly installed inside the device housing (1), and the layered plate (2) divides the inside of the device housing (1) into two parts, an upper part and an lower part. An electric turntable (3) is fixedly installed on the layered plate (2), and the rotating end of the electric turntable (3) is located above the layered plate (2). A placement plate (4) is fixedly installed on the top of the rotating end of the electric turntable (3), and four placement plates (4) are provided and distributed in a circular array. A vacuum plugging hole assembly (6) and a positioning assembly (7) are arranged inside the device housing (1); a lower material bin (9) is arranged on the left side of the device housing (1); and an upper material bin (8) is arranged on the front side of the device housing (1); the vacuum plugging hole assembly (6), the positioning assembly (7), the upper material bin (8), and the lower material bin (9) respectively correspond to a placement plate (4); and the upper material bin (8) and the vacuum plugging hole assembly (6) are symmetrically arranged front to back.

2. A high-density vacuum screen printing plugging machine according to claim 1, characterized in that: The vacuum plugging assembly (6) comprises a cylinder 1 (603), a booster air pump 1 (6011), and a vacuum pump (6012). The cylinder 1 (603) is fixedly mounted on the top inner wall of the equipment housing (1). A connecting frame 1 (604) is fixedly mounted on the extended end of the cylinder 1 (603). A vacuum chamber (601) is fixedly mounted on the bottom of the connecting frame 1 (604). A sealing ring (602) is fixedly mounted on the bottom of the vacuum chamber (601). A cylinder 2 (6010) is fixedly mounted on the top of the vacuum chamber (601). The extended end of the cylinder 2 (6010) is located in the vacuum chamber (601). A lifting plate (607) is fixedly mounted on the extended end of the cylinder 2 (6010). A scraper component (609) is provided at the bottom of the lifting plate (607). A spray head (608) is provided, the spray head of the spray head (608) extends below the lifting plate (607), the left and right sides of the vacuum chamber (601) are connected with a one-way exhaust pipe (606), the air outlet end of the booster air pump (6011) is connected with the inside of the vacuum chamber (601) through a high-pressure hose, the air inlet end of the vacuum pump (6012) is connected with the inside of the vacuum chamber (601) through a high-pressure hose, the electric air inlet end of the booster air pump (6011) is connected with a clean gas tank (6013) through a pipeline, and a partition component (605) is provided inside the vacuum chamber (601), the partition component (605) is located above the one-way exhaust pipe (606), and the partition component (605) is located below the connection between the booster air pump (6011), the vacuum pump (6012) and the vacuum chamber (601).

3. A high-density vacuum screen printing plugging machine according to claim 2, characterized in that: The partition component (605) comprises an electric telescopic rod (6051), which is fixedly mounted on the outer wall of the vacuum chamber (601). Two electric telescopic rods (6051) are provided and are respectively mounted on the left and right outer walls of the vacuum chamber (601). A partition plate (6052) is fixedly mounted on the extended end of the electric telescopic rod (6051), and the partition plate (6052) is slidably mounted in the vacuum chamber (601). A sealing gasket (6053) is fixedly mounted on the outer wall of the partition plate (6052) away from the electric telescopic rod (6051).

4. The high-density vacuum screen printing plugging machine according to claim 2, characterized in that: The scraper component (609) comprises a scraper frame (6091) and a motor driver (6094). The scraper frame (6091) is arranged below the lifting plate (607), and the scraper frame (6091) is slidably arranged on a T-shaped slide rail at the bottom of the lifting plate (607). An elastic scraper (6092) is fixedly installed at the bottom of the scraper frame (6091). The output end of the motor driver (6094) is connected to a screw rod (6093) through a pulley group. The outer wall of the screw rod (6093) is threadedly connected to the inner wall of the scraper frame (6091). The outer wall of the screw rod (6093) is provided with a fixed plate (6095) through a bearing rotation sleeve. The fixed plate (6095) is fixedly installed on the side outer wall of the lifting plate (607).

5. The high-density vacuum screen printing plugging machine according to claim 1, characterized in that: Positioning holes are provided at the four corners of the top of the placement plate (4), a limiting frame (5) is placed on the top of the placement plate (4), and positioning columns are provided at the four corners of the bottom of the limiting frame (5), and the positioning columns are inserted into the positioning holes on the placement plate (4).

6. The high-density vacuum screen printing plugging machine according to claim 1, characterized in that: A plugging material box (13) is fixedly mounted on the inner wall of the device housing (1), and the bottom of the plugging material box (13) is connected to the input port of the spray head (608) via a hose.

7. The high-density vacuum screen printing plugging machine according to claim 1, characterized in that: The positioning assembly (7) comprises a cylinder three (701), wherein the cylinder three (701) is fixedly mounted on the inner wall at the top of the device housing (1), a connecting frame two (702) is fixedly mounted on the extended end of the cylinder three (701), a servo motor (703) is fixedly mounted on the connecting frame two (702), a rotating shaft (704) is fixedly mounted on the output end of the servo motor (703), a bidirectional electric slide rail (705) is fixedly mounted on the bottom end of the rotating shaft (704), a mounting seat (706) is fixedly mounted on the movable end of the bidirectional electric slide rail (705), a magnetic clamp (707) is fixedly mounted on the bottom of the mounting seat (706), and a central axis of the rotating shaft (704) is parallel to a central axis of a rotating end of the electric turntable (3).

8. The high-density vacuum screen printing plugging machine according to claim 1, characterized in that: The front of the device housing (1) is provided with a chassis door (10), the back of the device housing (1) is provided with an inspection door (11), the left side of the device housing (1) is provided with a transparent glass plate (12), the chassis door (10) is located below the layer plate (2), and the inspection door (11) and the transparent glass plate (12) are located above the layer plate (2).

9. The high-density vacuum screen printing plugging machine according to claim 2, characterized in that: A temperature sensor (14) and a humidity sensor (15) are fixedly mounted on the inner wall of the vacuum chamber (601), and the temperature sensor (14) and the humidity sensor (15) are located above the spray head (608).

10. The high-density vacuum screen printing plugging machine according to claim 1, characterized in that: The back side of the upper material bin (8) and the right side of the lower material bin (9) are both located inside the equipment housing (1); a bin door (801) is installed on the front side of the upper material bin (8); a one-way exhaust pipe (804) is provided on the top of the upper material bin (8); a booster air pump (803) is provided outside the equipment housing (1); an air inlet end of the booster air pump (803) is connected to an air outlet end of a clean gas tank (6013); an air outlet end of the booster air pump (803) is connected to the interior of the upper material bin (8) through a pipeline; a bin door (901) is installed on the left side outer wall of the lower material bin (9); and a connecting port (902) is provided on the right side of the lower material bin (9).

Images