CN217857034U

CN217857034U - Double-liquid suck-back valve for dispensing double-component glue

Info

Publication number: CN217857034U
Application number: CN202221524604.2U
Authority: CN
Inventors: 胡锟
Original assignee: Jiangsu Huakun Intelligent Technology Co ltd
Current assignee: Jiangsu Huakun Intelligent Technology Co ltd
Priority date: 2022-06-18
Filing date: 2022-06-18
Publication date: 2022-11-22
Anticipated expiration: 2032-06-18

Abstract

The utility model discloses a biliquid resorption valve that bi-component glue point was glued, including cylinder dispensing valve, casing, fixed block, stroke adjusting screw and play jiao zui, two the cylinder dispensing valve is vertical respectively to be set up side by side in the casing, the fixed block is buckled through the mounting panel and is set up the back of casing, two the stroke adjusting screw sets up the upper end of casing and respectively with cylinder dispensing valve is connected, go out jiao zui setting in the intermediate position of casing lower part, and respectively with the cylinder dispensing valve is linked together. In this way, the utility model discloses having improved the not enough of single valve list glue, being applicable to AB glue, double component glue automatic mixing and quantitative point and gluing, having made out gluey volume stable, the proportion is accurate, and the misce bene adopts the resorption valve upward movement to close gluey structure simultaneously, makes and stops gluey resorption disconnected glue in the twinkling of an eye simultaneously, reduces the surplus cull that remains, makes the point glue not produce phenomenons such as water clock, wire drawing.

Description

Double-liquid suck-back valve for dispensing double-component glue

Technical Field

The utility model relates to a technical field of electron trade manufacturing industry especially relates to a biliquid resorption valve that bi-component glue point was glued.

Background

The dispensing system is a device widely used in the production and manufacturing industry of the electronic industry, and most of the applications are to inject viscous fluid onto each circuit board component through non-contact. In the semiconductor packaging, the application range comprises bottom filling, solder ball reinforcement, mobile phone shell/screen hot melt adhesive bonding, multilayer chip packaging, solder joint dispensing protection, silver adhesive reinforcement, mainboard coating, shell sealing dispensing and the like. By the action of curing UV glue, epoxy resin, anaerobic adhesive and the like, the circuit boards, the chips, the keys, the cameras and the like are protected from being influenced by natural environments such as dust, moisture, corrosiveness and the like; the shell and the screen are bonded through the action of the solidified hot melt structural adhesive, and the waterproof sealing effect is achieved; the electric conductivity of the circuit board is enhanced through the solidified conductive silver adhesive; the heat-conducting performance of the circuit board is enhanced by the solidified heat-conducting grease.

The glue dispenser is a machine for replacing manual glue dispensing, is also called a glue dispenser, a glue filling machine and the like, is a device specially used for controlling glue, drips and coats the glue on the surface of a product or in the product to play a role in adhesion, can also realize the glue dispensing and accurate positioning of three-dimensional and multidimensional paths, and a glue dispensing valve is an important component for realizing the glue dispensing.

In the prior art, the dispensing valve usually adopts a single valve to use single glue, when AB glue and bi-component glue are needed, the two kinds of liquid glue are required to be manually mixed together in proportion to be used, loss is easy to generate during mixing, raw materials are greatly wasted, and the efficiency is lower.

Disclosure of Invention

The utility model discloses the main technical problem who solves provides a biliquid resorption valve that bi-component glue point was glued, has solved the extravagant problem of raw materials that uses AB glue and bi-component glue, can the automatic mixing during the use, has improved efficiency greatly.

In order to solve the technical problem, the utility model discloses a technical scheme be: the double-liquid suck-back valve comprises a cylinder dispensing valve, a shell, a fixing block, stroke adjusting screws and a glue outlet nozzle, wherein the two cylinder dispensing valves are respectively vertically arranged in the shell side by side, the fixing block is arranged on the back of the shell in a bending manner through a mounting plate, the two stroke adjusting screws are arranged at the upper end of the shell and are respectively connected with the cylinder dispensing valve, and the glue outlet nozzle is arranged in the middle of the lower part of the shell and is respectively communicated with the cylinder dispensing valves;

the air cylinder dispensing valve comprises a valve body, a sealing piston, a firing pin, a piston rod sealing nut, a piston rod sealing element, a glue sealing element fixing seat and a glue cavity, wherein the sealing piston, the firing pin, the piston rod sealing nut, the piston rod sealing element, the glue sealing element fixing seat and the glue cavity are arranged in the valve body, the firing pin is vertically arranged at the middle position inside the valve body, the upper end of the firing pin extends upwards to be connected with the stroke adjusting screw, the lower end of the firing pin extends downwards to extend through the glue cavity to be connected with the glue sealing element, the sealing piston is sleeved on the upper portion of the firing pin, the piston rod sealing element is sleeved on the lower portion of the firing pin through the piston rod sealing element, the glue sealing element is arranged in the glue sealing element fixing seat, the upper end and the lower end of the glue cavity are respectively connected with the piston rod sealing element and the glue sealing element fixing seat, and the glue sealing element fixing seat is communicated with a glue outlet nozzle through a glue outlet hole.

In a preferred embodiment of the present invention, the mounting plate is provided with a cylinder opening port and a cylinder closing port, and the cylinder opening port and the cylinder closing port respectively extend inward and are communicated with the cylinder dispensing valve.

In a preferred embodiment of the present invention, the cylinder opening port is located directly above the cylinder closing port.

In a preferred embodiment of the present invention, the symmetrical positions of the two side edges of the casing are respectively provided with a feeding port, and the feeding ports are respectively communicated with the glue cavity.

In a preferred embodiment of the present invention, a first glue discharging channel, a second glue discharging channel and a discharge port are disposed in the glue discharging nozzle, the glue discharging hole is respectively communicated with the first glue discharging channel and the second glue discharging channel, and the first glue discharging channel and the second glue discharging channel are both communicated with the discharge port.

The utility model has the advantages that: the utility model provides a biliquid resorption valve that bi-component glue point was glued has improved the not enough of single-valve list glue, is applicable to AB glue, bi-component glue automatic mixing and quantitative point and glues, makes out gluey volume stable, and the proportion is accurate, and the misce bene adopts resorption valve upward movement to close gluey structure simultaneously, makes stop gluey resorption disconnected glue in the twinkling of an eye simultaneously, reduces the residual gum, makes the point glue not produce phenomenons such as water clock, wire drawing.

Drawings

Fig. 1 is an overall outline view of a preferred embodiment of the dual-component glue dispensing dual-fluid suck-back valve of the present invention;

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

the parts in the drawings are numbered as follows: 1. the glue dispensing valve comprises a cylinder glue dispensing valve body, a shell, 3, a fixing block, 4, a stroke adjusting screw, 5, a glue outlet nozzle, 6, a mounting plate, 7, a cylinder air opening, 8, a cylinder air closing opening, 101, a valve body, 102, a sealing piston, 103, a firing pin, 104, a piston rod sealing nut, 105, a piston rod sealing element, 106, a glue sealing element, 107, a glue sealing element fixing seat, 108, a glue cavity, 109, a glue outlet hole, 201, a feeding hole, 501, a first glue outlet flow channel, 502, a second glue outlet flow channel, 503 and a discharging hole.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 2, the present embodiment includes:

the utility model provides a biliquid resorption valve that bi-component glue point was glued, including cylinder dispensing valve 1, casing 2, fixed block 3, stroke adjusting screw 4 and play jiao zui 5, two cylinder dispensing valves 1 are vertical respectively and set up in casing 2 side by side, fixed block 3 is buckled through mounting panel 6 and is set up at the back of casing 2, two stroke adjusting screw 4 set up in casing 2's upper end and be connected with cylinder dispensing valve 1 respectively, go out jiao zui 5 and set up the intermediate position in casing 2 lower part, and be linked together with cylinder dispensing valve 1 respectively.

The air cylinder glue dispensing valve comprises a valve body 101, a sealing piston 102, a firing pin 103, a piston rod sealing nut 104, a piston rod sealing element 105, a glue sealing element 106, a glue sealing element fixing seat 107 and a glue cavity 108, wherein the sealing piston 102, the firing pin 103, the piston rod sealing nut 104, the piston rod sealing element fixing seat and the glue cavity 108 are arranged inside the valve body 101, the firing pin 103 is vertically located in the middle of the inside of the valve body 101, the upper end of the firing pin extends upwards to be connected with a stroke adjusting screw 4, the lower end of the firing pin 103 extends downwards to extend through the glue cavity 108 to be connected with the glue sealing element 106, the sealing piston sleeve 102 is arranged on the upper portion of the firing pin 103, the piston rod sealing element 105 is sleeved on the lower portion of the firing pin 103 through the piston rod sealing nut 104, the glue sealing element 106 is located in the glue sealing element fixing seat 107, the upper end and the lower end of the glue cavity 108 are respectively connected with the piston rod sealing element 105 and the glue sealing element fixing seat 107, and the glue outlet nozzle 5 is communicated with the glue outlet hole 109.

An air cylinder opening port 7 and an air cylinder closing port 8 are arranged on the mounting plate 6, and the air cylinder opening port 7 and the air cylinder closing port 8 respectively extend inwards to be communicated with the air cylinder dispensing valve 1; wherein the cylinder opening port 7 is positioned right above the cylinder closing port 8. After compressed air respectively enters the cylinder opening 7 and the cylinder closing 8 through the electromagnetic valve, the cylinder closing 8 is opened to push the sealing piston 102 to move upwards, so that the striker 103 is driven to move upwards.

The symmetrical positions of the two side edges of the shell 2 are respectively provided with a feed inlet 201, and the feed inlets 201 are respectively communicated with the glue cavity 108. Glue in the external glue supply pressure barrel is fed into the glue cavity 108 through the feed inlet 201.

Further, be equipped with first play glue runner 501, second discharging runner 502 and discharge gate 503 in going out gluey mouth 5, go out gluey hole 109 and be linked together with first play glue runner 501 and second discharging runner 502 respectively, first play glue runner 501 and second discharging runner 502 all are linked together with discharge gate 503.

The working principle is as follows:

compressed air enters the air cylinder air closing port 7 through the electromagnetic valve, the air cylinder air closing port 8 is opened to push the sealing piston 102 to move upwards, so that the firing pin 103 is driven to move downwards, the sealing rubber part 106 at the bottom of the firing pin 103 is separated from the sealing rubber part fixing seat 107 downwards, glue in an external glue supply pressure barrel enters the glue cavities 108 in the two air cylinder glue dispensing valves through the feeding port 201 respectively, then outlets are combined together through the glue outlet nozzle 5, glue is discharged after AB glue or double-component glue is automatically mixed, after the compressed air stops entering the air cylinder air closing port 7 when glue discharging is stopped, the sealing piston 102 is pushed to move upwards through closing of the air cylinder air closing port 8, so that the firing pin 103 is driven to move upwards, the sealing rubber part 106 at the bottom of the firing pin 103 is clamped upwards with an inlet of the sealing rubber part fixing seat 107 to form a tightly-fitted state, glue leakage is prevented, meanwhile, a glue sucking and breaking function is achieved due to the upward movement of the firing pin 103, residual glue is reduced, the phenomena of glue leakage, wire drawing and the like are avoided, and the glue is dispensed, and the structure of upward glue closing is adopted.

The utility model provides a two liquid resorption valves that two component glue point was glued and prior art's distinctive feature:

1. compared with a single-group suck-back valve, the double-liquid suck-back valve can only be independently applied to one glue, and is specially used for a glue dispensing machine which is developed for solving the automatic mixing and quantitative glue dispensing of AB glue and double-component glue;

2. compared with a single-group suck-back valve, the double-liquid suck-back valve can only be independently applied to one glue, and is specially developed for solving the problems of automatic mixing and quantitative glue dispensing of AB glue and double-component glue, and is suitable for a glue dispensing machine.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes made by the contents of the specification and the drawings are used for conversion, or straight lines or indirectly applied to other related technical fields, and all the same principles are included in the patent protection scope of the present invention.

Claims

1. The double-liquid suck-back valve for dispensing double-component glue is characterized by comprising a cylinder glue dispensing valve, a shell, fixing blocks, stroke adjusting screws and a glue outlet nozzle, wherein the two cylinder glue dispensing valves are respectively vertically arranged in the shell side by side, the fixing blocks are arranged on the back of the shell in a bending manner through mounting plates, the two stroke adjusting screws are arranged at the upper end of the shell and are respectively connected with the cylinder glue dispensing valve, and the glue outlet nozzle is arranged in the middle of the lower part of the shell and is respectively communicated with the cylinder glue dispensing valves;

2. The two-component glue dispensing double-liquid suck-back valve according to claim 1, wherein the mounting plate is provided with a cylinder opening port and a cylinder closing port, and the cylinder opening port and the cylinder closing port respectively extend inwards to be communicated with the cylinder dispensing valve.

3. The two-component glue dispensing, two-fluid suck-back valve of claim 2, wherein said cylinder open port is located directly above said cylinder closed port.

4. The double-liquid suck-back valve for dispensing glue with two components of glue according to claim 1, wherein the two symmetrical sides of the housing are respectively provided with a feeding hole, and the feeding holes are respectively communicated with the glue cavity.

5. The dual-component glue dispensing dual-liquid suck-back valve according to claim 1, wherein the glue outlet nozzle is internally provided with a first glue outlet flow passage, a second glue outlet flow passage and a discharge hole, the glue outlet hole is respectively communicated with the first glue outlet flow passage and the second glue outlet flow passage, and the first glue outlet flow passage and the second glue outlet flow passage are both communicated with the discharge hole.