CN209852623U - Three proofings lacquer filling device - Google Patents

Abstract

The utility model discloses a three proofings lacquer filling device, it includes the feed cylinder, removes bubble filling part, it includes feeding filling valve, water conservancy diversion formula gas-liquid separation subassembly, vacuum generator and ejection of compact filling valve to remove bubble filling part. The three-proofing paint filling device establishes a low-pressure standing environment in a filling operation gap through a defoaming filling part, so that the filling operation is not influenced, the purpose of pumping out small bubbles is realized, and the quality of three-proofing paint is greatly improved.

Description

Three proofings lacquer filling device

Technical Field

The utility model relates to a three proofings lacquer filling device.

Background

The three-proofing paint has high consistency and is easy to be mixed with air bubbles in the production process. The bubbles are firstly caused by stirring the raw materials during production, and the stirring operation is realized based on a stirring device; the stirring device is provided with a vacuum generating structure, and the material in the stirring device can be maintained in a low-pressure environment, so that the entrained air bubbles can be discharged, but the operation cannot completely eliminate the air bubbles, particularly small air bubbles which are very small in volume and adhere to the inner surface of the container. This is because the vacuum degree that agitating unit with vacuum stirring function can reach among the prior art is very limited, if the operating environment of higher vacuum degree is obtained through the mode that increases the extraction air volume, can cause big pressure differential, and then lead to the parts aggravation wearing and tearing of sealed loose position department, and the highest vacuum degree that agitating unit can reach can be influenced in reverse to wearing and tearing. Due to the physical characteristic of high consistency of the three-proofing agent, the three-proofing agent can drive small bubbles to enter a subpackaged packaging container along with a conveying path and suspend in the three-proofing paint in the conveying stage. When the protective cover is used, the small bubbles can form pits or cavities on the surface of the printed circuit board, so that the defect of insufficient protection is caused. Thus, there is a problem in the prior art that small air bubbles enter the packaging container during the filling phase.

Disclosure of Invention

The to-be-solved technical problem of the utility model is how to avoid the microbubble to get into packaging container in the filling stage, obtain a three proofings lacquer filling device from this.

In order to solve the technical problem, the utility model discloses a go into following technical scheme: the three-proofing paint filling device comprises a charging barrel and a defoaming filling component, wherein the defoaming filling component comprises a feeding filling valve, a flow guide type gas-liquid separation component, a vacuum generator and a discharging filling valve, the flow guide type gas-liquid separation component is provided with a shell, a flow guide column and a gas-liquid separation rod, one end of the shell is provided with a feeding hole and an air exhaust hole, the other end of the shell is provided with a discharging hole, the feeding hole and the air exhaust hole are positioned behind the discharging hole in the gravity action direction, the feeding hole is positioned in front of the air exhaust hole in the gravity action direction, the flow guide column is fixed inside the shell and is in sealing connection with the shell, a cylindrical flow guide channel is arranged on the flow guide column, the central line of the flow guide channel is parallel to the central line of the flow guide column, the gas-liquid separation rod comprises a supporting rod and spiral blades, and the spiral blades are fixed, the gas-liquid separation rod is fixed inside the shell, the center line of the support rod is coincident with the center line of the flow guide channel, the support rod is fixedly connected with the shell, the helical blade is positioned in the flow guide channel, the length of the helical blade is less than or equal to that of the flow guide channel, the outer diameter of the helical blade is less than the inner diameter of the flow guide channel, an exhaust gap is arranged between the helical blade and the flow guide column, the feed inlet and the exhaust outlet are communicated with the discharge outlet through the flow guide channel, the feed filling valve is arranged at the feed inlet on the flow guide gas-liquid separation component, the feed filling valve is connected and communicated with the feed cylinder, the flow guide gas-liquid separation component is positioned in front of the feed cylinder in the gravity action direction, the vacuum generator is arranged at the exhaust outlet on the flow guide gas-liquid separation component, and the discharge, the discharging and filling valve is arranged on the lifting component and moves linearly in the direction parallel to the gravity action direction.

In the technical scheme, the bubble removing and filling component extracts small bubbles in a low-pressure mode. When the three-proofing paint containing the small bubbles flows through the diversion type gas-liquid separation assembly, the three-proofing paint can be guided by the spiral blades on the gas-liquid separation rod to form a flat fluid form, the three-proofing paint is easy to obtain a large surface area in the state, the small bubbles are easy to expose on the surface of the fluid and further attach to the spiral blades and the diversion column on the inner wall of the diversion channel, and finally move upwards through an exhaust gap arranged between the spiral blades and the diversion column. In order to ensure smooth flow of small bubbles, the smoothness of the spiral blades and the flow guide columns on the inner wall of the flow guide channel can be improved. The diversion type gas-liquid separation assembly is isolated at the feeding filling valve and the discharging filling valve, and the air inside the shell is extracted through the vacuum generator so as to reduce the air pressure inside the shell. After maintaining the low pressure state for a period of time, the small bubbles in the diversion type gas-liquid separation component rise along the same trend until the bubbles disappear. And filling the defoamed conformal paint into the container through a discharge filling valve.

During three proofings lacquer filling the container can move ejection of compact filling valve below with step-by-step mode, ejection of compact filling valve be elevating movement, only stretch into the inside just beginning filling of container at ejection of compact filling valve, and ejection of compact filling valve rises after filling. The three-proofing paint of the diversion type gas-liquid separation assembly is supplemented during filling, so that the vacuum generator can be started to maintain a low-pressure state at other times except the time required for filling the container.

In order to facilitate the small bubbles to rapidly diffuse at the final rising stage, an air dispersing cavity is arranged in the shell and is positioned at one end of the flow guide column, the feed inlet is communicated with the air dispersing cavity, the air extraction opening is communicated with the air dispersing cavity, and the flow guide channel is communicated with the air dispersing cavity. In addition, the cavity can be used for caching conformal coating, and when excessive conformal coating enters from the feeding filling valve, the conformal coating can be temporarily stored in the cavity; the function has very obvious practicability on the production line of continuous filling operation.

In guaranteeing that the three-proofing paint that the feed inlet got into evenly distributes each water conservancy diversion passageway, just need to have the structure of distribution function, the one end of maintaining the water conservancy diversion post is equipped with the drainage inclined plane, the central line slope of drainage inclined plane and water conservancy diversion post is crossing, the perpendicular distance of one side on drainage inclined plane to the feed inlet is less than the perpendicular distance of the opposite side on drainage inclined plane to the feed inlet.

Although the low-pressure standing working mode of the defoaming filling component does not affect the filling process of the three-proofing paint, the high treatment capacity in unit time is still required, and therefore the diversion channels are annularly arranged around the center line of the diversion column and are also provided with one diversion channel at the position of the center line of the diversion column.

The utility model adopts the above technical scheme: the three-proofing paint filling device establishes a low-pressure standing environment in a filling operation gap through a defoaming filling part, so that the filling operation is not influenced, the purpose of pumping out small bubbles is realized, and the quality of three-proofing paint is greatly improved.

Drawings

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

FIG. 1 is a schematic structural diagram of a defoaming filling component of a three-proofing paint filling device according to the present invention;

fig. 2 is a partial enlarged view of fig. 1 at a.

Detailed Description

The three-proofing paint filling device comprises a frame, a charging barrel, a bubble removing filling component and a lifting component. The charging barrel, the bubble removing and filling component and the lifting component are all positioned on the machine frame. The charging barrel is positioned at the topmost end of the frame and is used for storing stirred three-proofing paint. The defoaming filling component is integrally positioned below the charging barrel, so that the three-proofing paint can flow into the defoaming filling component under the action of self gravity. The lifting member has a drive end which is linearly reciprocated in a vertical direction.

As shown in fig. 1 and 2, the defoaming filling component is composed of a feeding filling valve 1, a diversion type gas-liquid separation component 2, a vacuum generator 3 and a discharging filling valve 4.

The feeding filling valve 1 comprises a valve body, a columnar valve core and an air cylinder, wherein the columnar valve core is positioned inside the valve body, a cylinder body of the air cylinder is installed on the valve body, a piston rod of the air cylinder is connected with the columnar valve core, and the center line of the piston rod is superposed with the center line of the columnar valve core. The valve body is provided with an input port and an output port. The cylinder can drive the columnar valve core to do linear reciprocating motion, and the columnar valve core and the valve body can be connected in a sealing manner, so that the communication relation between the input port and the output port is isolated in the valve body; on the contrary, when the sealing connection between the columnar valve core and the valve body is lost, the input port and the output port are communicated in the valve body. The inlet filling valve 1 is connected at its inlet opening to the cartridge by means of a hose, so that the inlet opening of the inlet filling valve 1 communicates with the cartridge.

The diversion type gas-liquid separation component 2 is provided with a shell 5, a diversion column 6 and a gas-liquid separation rod 7. After installation, the diversion-type gas-liquid separation assembly 2 is located in front of the feed cylinder in the gravity action direction, and the feed cylinder is located above the diversion-type gas-liquid separation assembly 2 in actual use.

One end of the shell 5 is provided with a feed inlet 8 and an extraction opening 9, and the other end of the shell 5 is provided with a discharge outlet 10. The inlet filling valve 1 is connected at its outlet via a hose to the inlet opening 8 of the housing 5, so that the outlet of the inlet filling valve 1 is connected to the inlet opening 8 of the housing 5. The orientation of the feed inlet 8 is opposite to that of the extraction opening 9, and the feed inlet 8 and the extraction opening 9 are both positioned behind the discharge opening 10 in the gravity action direction, and the feed inlet 8 and the extraction opening 9 are both positioned above the discharge opening 10 in the actual use process; the feed port 8 is located in front of the suction port 9 in the direction of action of gravity, so that they are spatially offset from each other.

The middle part of the shell 5 is cylindrical, and the flow guide column 6 is arranged at the middle part of the shell 5 and is positioned inside the shell 5. The side surface of the flow guiding column 6 is tightly connected with the inner wall of the shell 5, and the tight connection degree can enable the flow guiding column 6 to be in sealing connection with the shell 5. One end of the flow guide column 6 is provided with a drainage inclined plane 11, the drainage inclined plane 11 is of a plane structure, and the drainage inclined plane 11 is obliquely intersected with the central line of the flow guide column 6. The vertical distance from one side of the flow-guiding inclined plane 11 to the feed opening 8 is smaller than the vertical distance from the other side of the flow-guiding inclined plane 11 to the feed opening 8.

An air dispersing cavity 12 is formed in the shell 5 due to the separation of the flow guide column 6, and the air dispersing cavity 12 is positioned among the flow guide inclined plane 11, the feed port 8 and the air extracting port 9, so that the feed port 8 is directly communicated with the air dispersing cavity 12, the air extracting port 9 is also directly communicated with the air dispersing cavity 12, and the feed port 8 is also communicated with the air extracting port 9. Seven cylindrical guide channels 13 are distributed on the guide column 6, and the guide channels 13 are directly communicated with the air dispersing cavity 12. The central lines of the guide channels 13 are all parallel to the central line of the guide column 6; six guide channels 13 are distributed on the guide column 6 at equal angles around the center line of the guide column 6, the remaining guide channel 13 is positioned among the six guide channels 13, and the center line of the guide channel 13 is coincident with the center line of the guide column 6.

The gas-liquid separation rod 7 includes a support rod 14 and a spiral blade 15. The support bar 14 is a straight cylindrical structure, and the helical blades 15 are fixed on the support bar 14 and distributed along the central line of the support bar 14. The gas-liquid separation rod 7 is fixed inside the shell 5, one end of the support rod 14 is fixed and hermetically connected with the shell 5, and the central line of the support rod 14 is superposed with the central line of the flow guide channel 13 after installation; the helical blades 15 on the support bar 14 are located in the flow guide channel 13. A gas-liquid separation rod 7 is arranged in each flow guide channel 13, and the length of the spiral blade 15 in each flow guide channel 13 is smaller than that of the flow guide channel 13 where the spiral blade 15 is located. The outer diameter of the helical blade 15 is smaller than the inner diameter of the guide channel 13, so that an exhaust gap is provided between the helical blade 15 and the guide column 6, the width of which is one third of the pitch of the helical blade 15. Although the gas-liquid separating rod 7 is positioned in the flow guide channel 13, a gap is formed between the helical blades 15 on the gas-liquid separating rod 7, and a gap is formed between the helical blades 15 and the flow guide column 6, so that the feed inlet 8 and the extraction opening 9 can be communicated with the discharge outlet 10 through the flow guide channel 13.

The vacuum generator 3 is arranged at an air extraction opening 9 on the diversion type gas-liquid separation component 2.

The discharging filling valve 4 comprises a valve body, a columnar valve core and a cylinder. The columnar valve core is positioned in the valve body, the cylinder body of the air cylinder is arranged on the valve body, the piston rod of the air cylinder is connected with the columnar valve core, and the center line of the piston rod is superposed with the center line of the columnar valve core. The valve body is provided with an input port and an output port, the direction of the output port is overlapped with the center line of the piston rod, and the direction of the input port is inclined to the center line of the piston rod. The piston rod of the cylinder and the valve body are always in a sealing connection relation, the piston rod of the cylinder is far away from an output port on the valve body in an initial state, the cylinder is in a contraction state, and the input port and the output port inside the valve body are communicated at the moment. The cylinder can drive the columnar valve core to do linear reciprocating motion, and only when the columnar valve core moves towards the direction of the output port until the columnar valve core cuts off the connection relation between the input port and the output port, the connection relation between the input port and the output port is isolated in the valve body. The inlet of the discharge filling valve 4 is connected with the discharge hole 10 of the shell 5 on the diversion gas-liquid separation assembly 2 through a hose, so that the inlet of the discharge filling valve 4 is communicated with the discharge hole 10 of the shell 5.

The lifting component comprises a support frame, a mounting plate, a motor and a synchronous belt. The support frame is of a frame structure and is arranged on the frame. The two ends of the mounting plate are movably mounted on the support frame through the sliding guide rails respectively, and the mounting plate can do linear reciprocating motion on the support frame in a sliding mode. The synchronous belt passes through on the synchronous pulley erection bracing frame, is expanded the synchronous belt by two synchronous pulleys, forms the expansion structure that both ends are the arc, the middle is straight state after the synchronous belt expandes. The part of the synchronous belt which is unfolded to form the straight shape is parallel to the linear reciprocating motion direction of the mounting plate, and the mounting plate is connected with the part of the synchronous belt which is unfolded to form the straight shape. The motor is installed on the support frame, and the motor is connected with one of them synchronous pulley, and the motor work back alright drive synchronous pulley motion, and then the drive hold-in range rotates. The synchronous belt rotates to drive the mounting plate to do linear motion, and the synchronous belt moves towards different directions to enable the mounting plate to do linear reciprocating motion on the support frame. The mounting panel is as the drive end of lifting unit, and ejection of compact filling valve 4's valve body is installed on the mounting panel, can be used to ejection of compact filling valve 4 like this and go up and down, is the direction that is on a parallel with the action of gravity direction and is linear motion. The ejection of compact filling valve 4 is located higher position under the initial condition, and then drive ejection of compact filling valve 4 by the lifting unit and descend when having the container to be located ejection of compact filling valve 4 below and need the filling, stretches into in the container until the delivery outlet position of ejection of compact filling valve 4, lifts up ejection of compact filling valve 4 by the lifting unit after waiting to fill again.

When the device is used for the first time, the discharging filling valve 4 is in a turn-off state and at a higher position, the vacuum generator 3 does not work, and the feeding filling valve 1 is opened; the three-proofing paint in the charging barrel flows into the diversion type gas-liquid separation component 2 under the action of the gravity of the three-proofing paint. The drainage inclined plane 11 at one end of the flow guide column 6 well distributes the three-proofing paint to each flow guide channel 13 uniformly. The three-proofing paint enters the flow guide channel 13 and forms a flat fluid state under the separation and guide effect of the spiral blade 15, fine bubbles mixed in the three-proofing paint are rapidly attached to the surfaces of the spiral blade 15 and the flow guide channel 13, and the three-proofing paint is in a standing state inside the flow guide type gas-liquid separation assembly 2. After the interior of the diversion type gas-liquid separation assembly 2 and the interior of the hose between the diversion type gas-liquid separation assembly 2 and the discharging filling valve 4 are filled with the three-proofing paint, it is worth noting that the three-proofing paint does not exceed the drainage inclined plane 11 at the moment. Then, the feeding filling valve 1 is turned off, the vacuum generator 3 works, air in the air diffusion cavity 12 is rapidly extracted, and the air pressure in the air diffusion cavity 12 is rapidly reduced. In this way, the surface attached to the helical blade 15 and the surface of the flow guide channel 13 are forced to move rapidly towards the position of the air dispersion cavity 12 until entering the air dispersion cavity 12. Thus, small bubbles in the three-proofing paint can be removed. When ejection of compact filling valve 4 below is arranged in to the container, lifting unit drives ejection of compact filling valve 4 and moves, and the delivery outlet position of ejection of compact filling valve 4 that makes stretches into in the container, then, vacuum generator 3 is out of work, feeding filling valve 1 is opened, flows into three proofings lacquer from the feed cylinder, and ejection of compact filling valve 4 department outwards exports the three proofings lacquer of detaching the small bubble simultaneously, treats ejection of compact filling valve 4 behind the filling and shuts off and lift up by lifting unit. In the whole three-proofing paint filling process, the small air bubble removing operation is performed on the three-proofing paint positioned on the filling path by utilizing the clearance in the filling step, so that the purpose of pumping out the small air bubbles in the filling stage is realized.

Claims (4)

1. The utility model provides a three proofings lacquer filling device which characterized in that: the three-proofing paint filling device comprises a charging barrel, a defoaming filling component and a lifting component, wherein the defoaming filling component comprises a feeding filling valve (1), a flow guide type gas-liquid separation component (2), a vacuum generator (3) and a discharging filling valve (4), the flow guide type gas-liquid separation component (2) is provided with a shell (5), a flow guide column (6) and a gas-liquid separation rod (7), one end of the shell (5) is provided with a feeding hole (8) and an air exhaust hole (9), the other end of the shell (5) is provided with a discharging hole (10), the feeding hole (8) and the air exhaust hole (9) are both positioned behind the discharging hole (10) in the direction of gravity action, the feeding hole (8) is positioned in front of the air exhaust hole (9) in the direction of gravity action, the flow guide column (6) is fixed inside the shell (5), and the flow guide column (6) is in sealing connection with the shell, the gas-liquid separation device is characterized in that a cylindrical flow guide channel (13) is arranged on the flow guide column (6), the central line of the flow guide channel (13) is parallel to the central line of the flow guide column (6), the gas-liquid separation rod (7) comprises a support rod (14) and spiral blades (15), the spiral blades (15) are fixed on the support rod (14) and distributed along the central line of the support rod (14), the gas-liquid separation rod (7) is fixed inside the shell (5), the central line of the support rod (14) is overlapped with the central line of the flow guide channel (13), the support rod (14) is fixedly connected with the shell (5), the spiral blades (15) are positioned in the flow guide channel (13), the length of the spiral blades (15) is smaller than or equal to that of the length of the flow guide channel (13), the outer diameter of the spiral blades (15) is smaller than the inner diameter of the flow guide channel (13), and an exhaust gap is arranged between the, the feeding port (8) and the air exhaust port (9) are communicated, the feeding port (8) and the air exhaust port (9) are communicated with a discharging port (10) through a diversion channel (13), the feeding filling valve (1) is arranged at the feeding port (8) on the diversion type gas-liquid separation assembly (2), the feeding filling valve (1) is connected and communicated with a charging barrel, the diversion type gas-liquid separation assembly (2) is located in front of the charging barrel in the gravity action direction, the vacuum generator (3) is arranged at the air exhaust port (9) on the diversion type gas-liquid separation assembly (2), the discharging filling valve (4) is arranged at the discharging port (10) on the diversion type gas-liquid separation assembly (2), and the discharging filling valve (4) is arranged on a lifting component and moves linearly in the direction parallel to the gravity action direction.

2. The three-proofing paint filling device according to claim 1, characterized in that: the air-distributing cavity (12) is arranged inside the shell (5), the air-distributing cavity (12) is located at one end of the air guide column (6), the feed inlet (8) is communicated with the air-distributing cavity (12), the air suction opening (9) is communicated with the air-distributing cavity (12), and the air guide channel (13) is communicated with the air-distributing cavity (12).

3. The three-proofing paint filling device according to claim 1, characterized in that: one end of the flow guide column (6) is provided with a drainage inclined plane (11), the drainage inclined plane (11) is inclined and intersected with the central line of the flow guide column (6), and the vertical distance from one side of the drainage inclined plane (11) to the feed port (8) is smaller than the vertical distance from the other side of the drainage inclined plane (11) to the feed port (8).

4. The three-proofing paint filling device according to claim 1, characterized in that: the flow guide channels (13) are annularly arranged around the center line of the flow guide column (6) and a flow guide channel (13) is arranged at the position of the center line of the flow guide column (6).