KR101914166B1 - A Dispenser with Piezoelectric Effect Elements controlling the amount of the discharged paste - Google Patents

Abstract

The present invention relates to a dispenser which can control the discharging amount of paste. A dispenser according to an embodiment of the present invention includes: an air pump module compressing air introduced from a first tube connected to one end, and discharging the compressed air to a second tube connected to the other end; a paste injecting module supplying paste stored therein to a third tube connected to one end by the pressure of the air introduced from the second tube connected to the other end; a paste flow rate control module controlling the flow rate of the paste supplied from the third tube connected to one end, and discharging the paste to a fourth tube connected to the other end; a paste dispensing nozzle dispensing the paste discharged through a discharge hole having a diameter equal to or less than a predetermined diameter formed at a lower end thereof, to a workpiece according to the flow rate of the paste discharged from the fourth tube connected to the one end; and a control unit controlling the air pump module and the paste flow rate control module.

Description

[0001] The present invention relates to a dispenser with a piezoelectric effect element,

Disclosed herein is a dispenser for controlling the discharge amount of a paste. In applying a paste used in a process using a dispenser on a workpiece, a flow rate of a paste flowing inside the dispenser is controlled using a piezoelectric element, To a dispenser for controlling the discharge amount of paste to control the discharge amount of paste discharged onto the workpiece from the dispenser.

According to the prior art, a dispenser for controlling and discharging a paste having a predetermined viscosity at a constant flow rate on each product has been used in proceeding a circuit substrate, a display liquid crystal, or a semiconductor packaging process.

However, this prior art has a difficulty in controlling the paste at a constant flow rate, and it has been difficult to set the flow rate of the paste below a certain level in realizing the conductor below a certain line width by using the paste.

Therefore, there is a need for a new technique capable of stably controlling the flow rate of the paste and precisely controlling the flow rate to a certain value or less.

The present invention relates to a method of dispensing a paste used in a process using a dispenser on a workpiece by using a piezoelectric element to control the flow rate of paste flowing inside the dispenser, Disclosed is a dispenser for controlling a discharge amount of a paste, the discharge amount of which is controlled.

The present invention provides a dispenser for controlling the discharge amount of a paste, comprising: an air pump module for compressing air introduced from a first tube connected to one end and discharging the compressed air to the second tube connected to the other end; A paste injecting module for supplying a paste stored therein to a third tube connected to the other end by a pressure of air introduced from a second tube connected to the one end; A paste flow rate control module for controlling the flow rate of the paste supplied from the third tube connected to one end and discharging the paste to a fourth tube connected to the other end; A paste applying nozzle for applying the paste discharged through a discharge hole having a predetermined diameter or less formed at a lower end of the paste to a workpiece according to a flow rate of the paste discharged from the fourth tube connected at one end; And a control unit for controlling the air pump module and the paste flow rate control module.

In an embodiment of the present invention, the control unit may include: an input receiving unit receiving the input of the user for controlling the air pump module and the paste flow control module; An air pump module controller for controlling the pressure of air to be discharged to the second tube by controlling the air pump module; And a paste flow control module controller for controlling the paste flow control module to control the flow rate of the paste discharged from the paste application nozzle.

In one embodiment of the present invention, the air pump module control unit primarily controls the flow rate of the paste supplied from the paste injection module to the third tube by adjusting the pressure of the air discharged to the second tube The paste flow control module controller can control the flow rate of the paste that is supplied from the third tube and discharged to the fourth tube by pressing the tube through which the paste flows in the paste flow control module.

In one embodiment of the present invention, the paste flow rate control module control unit controls the paste flow rate control module such that the paste is flowed from the third tube connected to one end and discharged to the fourth tube connected to the other end, Guiding paste transport elastic tube; A paste transporting elastic tube supporting member formed to surround the outer circumferential surface of the paste transporting elastic tube and supporting the paste transporting elastic tube, a support member positioned on the outer circumferential surface of the paste transporting elastic tube, And a pressure member unit that applies pressure to the paste transport elastic tube to deform the shape of the paste transport elastic tube to control the volume of the paste transport elastic tube, and the pressure member unit may include a piezoelectric element.

In one embodiment of the present invention, the paste transport elastic tube support part is formed with a groove-shaped first pressure member inlet port in a part thereof, and the pressure member unit is accommodated in the inner space of the first pressure member inlet port, The lower surface of the member unit is in contact with a part of the outer peripheral surface of the paste transport elastic tube and the pressure is applied to the paste transport elastic tube by the pressure member unit whose shape is deformed by a power source applied by the control unit The volume of the paste transport elastic tube can be adjusted.

In one embodiment of the present invention, the paste flow control module comprises: a lid guide rail formed on an outer circumferential surface of the paste transport elastic tube support; And an inlet cover capable of guiding and moving by the cover guide rail and capable of partially or totally opening and closing the first pressurizing member input port, wherein when the pressurization member unit is accommodated in the first pressurization member input port, The position of the inlet cover may be shifted on the cover guide rail and the lower surface of the inlet cover may contact the upper surface of the pressing member unit to fix the pressing member unit.

In one embodiment of the present invention, the paste flow control module further comprises a pressure transmitting member capable of transmitting a moving amount or a force of the pressing member unit connected to the pressing member unit, Wherein the second pressing member input port is received in a part of the inner space so that the pressure transmitting member connected to the pressing member unit is inserted into the paste transport elastic tube And the pressure transmitting member, which is connected to the pressure member unit by deformation of the shape of the pressure member unit by the power source applied by the control unit, applies pressure to the paste transport elastic tube, The volume of the transport elastic tube can be adjusted.

In one embodiment of the present invention, the second pressing member input port has a step inside, and the pressing member unit is housed in contact with a portion of the lower surface of the lower surface of the second pressing member input port, The pressure transmitting member connected to the unit can be received in the lower space of the second pressing member input port and can contact a part of the outer peripheral surface of the paste transport elastic tube.

In one embodiment of the present invention, the paste flow control module comprises: a lid guide rail formed on an outer circumferential surface of the paste transport elastic tube support; And an inlet cover which can be guided and moved by the lid guide rail and which can partially or wholly open and close the second pressurizing member input port and when the pressurization member unit is accommodated in the second pressurization member input port, The input port cover can be slid on the lid guide rail to move its position and the lower surface of the transmission port cover can contact the upper surface of the pressure member unit to fix the pressure member unit on the lower surface.

In one embodiment of the present invention, the paste-transporting elastic tube support part is formed at its part with a ring-shaped groove along the outer circumferential surface of the paste elastic tube, and the pressing member unit is formed by the ring- And the pressure is applied to the paste transport elastic tube by the pressure member unit which is deformed by a power source applied by the control unit so as to surround the outer peripheral surface of the exposed paste elastic tube, Can be adjusted.

According to an embodiment of the present invention, the paste discharge amount can be efficiently controlled by primarily controlling the flow rate of the paste by the air pressure of the air pump.

According to the embodiment of the present invention, the amount of paste discharge can be efficiently controlled by controlling the flow rate by pressing the tube through which the paste flows.

According to one embodiment of the present invention, the paste discharge amount can be efficiently controlled by the two-step control method in accordance with the air pressure of the air pump and the pressure of the tube through which the paste flows.

According to an embodiment of the present invention, a piezoelectric device that can be designed in various forms by a user according to a process environment is used, and thus the device can be used in various process environments.

According to one embodiment of the present invention, it is possible to more precisely control the discharge interval of the paste by using the piezoelectric element, and thereby controlling the paste to a constant flow rate or less, thereby improving the yield and productivity of the process.

Fig. 1 schematically shows the construction of a dispenser according to an embodiment of the present invention.
2 illustrates an exemplary internal configuration of a control unit according to an embodiment of the present invention.
3 illustrates an exemplary internal configuration of a liquid flow rate control module according to an embodiment of the present invention.
4 illustrates an exemplary configuration of a liquid flow rate control module according to an embodiment of the present invention.
5 illustrates an exemplary configuration of a liquid flow rate control module having a pressure transmitting member according to an embodiment of the present invention.
Fig. 6 exemplarily shows a configuration of a liquid flow rate control module constituted by a ring pressing member unit according to an embodiment of the present invention.
7 illustrates an exemplary operation of a three-axis stage module according to an embodiment of the present invention.

In the following, various embodiments and / or aspects are now described with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more aspects. However, it will also be appreciated by those of ordinary skill in the art that such aspect (s) may be practiced without these specific details. The following description and the annexed drawings set forth in detail certain illustrative aspects of one or more aspects. It is to be understood, however, that such aspects are illustrative and that some of the various ways of practicing various aspects of the principles of various aspects may be utilized, and that the description set forth is intended to include all such aspects and their equivalents.

In addition, various aspects and features will be presented by a system that may include multiple devices, components and / or modules, and so forth. It should be understood that the various systems may include additional devices, components and / or modules, etc., and / or may not include all of the devices, components, modules, etc. discussed in connection with the drawings Must be understood and understood.

As used herein, the terms "an embodiment," "an embodiment," " an embodiment, "" an embodiment ", etc. are intended to indicate that any aspect or design described is better or worse than other aspects or designs. . The terms 'component', 'module', 'system', 'interface', etc. used in the following generally refer to a computer-related entity, And a combination of software and software.

It is also to be understood that the term " comprises "and / or" comprising " means that the feature and / or component is present, but does not exclude the presence or addition of one or more other features, components and / It should be understood that it does not.

Also, terms including ordinal numbers such as first, second, etc. may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

Furthermore, in the embodiments of the present invention, all terms used herein, including technical or scientific terms, unless otherwise defined, are intended to be inclusive in a manner that is generally understood by those of ordinary skill in the art to which this invention belongs. Have the same meaning. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and, unless explicitly defined in the embodiments of the present invention, are intended to mean ideal or overly formal .

Firstly, the dispenser refers to a system including a controller for supplying a liquid amount of a target amount and peripheral devices thereof, and is intended to realize a fine pitch and a fixed amount discharge.

The dispenser may be used for manufacturing a semiconductor package or a display module, or for manufacturing an electronic device including a semiconductor package or the display module. That is, the dispenser may be activated in a process using an encapsulant of a semiconductor package, an encapsulant of a display module, a bonding agent between components of the electronic apparatus, and the like.

In applying the paste used in the process to the work 700 using such a dispenser, the present invention controls the flow rate of the paste flowing inside the dispenser by using the piezoelectric element, The present invention relates to a dispenser for controlling the application amount of a paste to be dispensed onto a workpiece 700 from a dispenser.

The term paste used in the present invention means a liquid having a fluidity (viscosity) including a sealing material as described above, a bonding agent between parts, and the like and used in a dispenser.

However, the paste is not limited to the encapsulating material and the bonding agent described above, and means a liquid having all the forms of fluidity that can be discharged through the dispenser in the process using the dispenser.

That is, by controlling the discharge amount of the paste discharged to the paste dispensing nozzle 600 constituting the dispenser by using such a dispenser and controlling the application amount of the paste applied to the workpiece 700, It is possible to form a conductive line with a certain wiring width or less on the circuit board or to apply an encapsulating material, a bonding agent, an insulating material or the like on the display liquid crystal to a certain width or less.

Hereinafter, the configuration of the dispenser and the embodiment of the dispenser for realizing the above object will be described.

Fig. 1 schematically shows the construction of a dispenser according to an embodiment of the present invention.

In order to solve the above problems, the present invention provides a dispenser for controlling the application amount of paste, comprising: an air pump for discharging air introduced from a first tube (a) connected to one end to the second tube (b) Module 200; A paste injection module 300 for supplying the paste stored therein to the third tube c connected to the other end by the pressure of the air introduced from the second tube b connected at one end; A paste flow control module 500 for controlling the flow rate of paste supplied from the third tube c connected to one end and discharging the paste to a fourth tube d connected to the other end; A paste applying nozzle (not shown) for applying the paste discharged through a discharge hole of a predetermined diameter or less formed at a lower end of the paste to the workpiece 700 in accordance with the flow rate of the paste discharged from the fourth tube d connected to one end 600); And a control unit (100) for controlling the air pump module (200) and the paste flow control module (500).

The first to fourth tubes (d) connect the respective constituent parts of the dispenser, and a fluid such as paste or gas having a predetermined viscosity Can flow inside.

The air pump module 200, the paste injection module 300, the paste flow control module 500, and the paste application nozzle 600 constituting the dispenser are sequentially arranged in the order of the first to fourth Can be connected to each other through the tube (d).

The paste injection module 300 stores the paste therein and the paste stored therein is connected to the other end by the pressure of the air introduced from the second tube b connected to one end of the paste injection module 300 Can be supplied to the third tube (c).

Specifically, the paste injection module 300 may store the paste therein. As described above, the paste stored in the paste injection module 300 is a liquid-like substance having fluidity and used in a process using the dispenser, and has a viscosity of 1 to 100,000 [cPs].

As described above, the paste stored in the paste injection module 300 can be supplied to the third tube (c) by a pressure action due to the pressure of air introduced from the second tube (b).

Air from the second tube (b) is provided from the air pump module (200) connected to the second tube (b).

The air pump module 200 adjusts the pressure of the air introduced from the first tube a connected to one end and discharged to the second tube b connected to the other end according to a user's input, The flow rate of the paste supplied to the third tube (c) can be controlled.

That is, the air pump module 200 adjusts the pressure of air discharged to the second tube b connecting the air pump module 200 and the paste injection module 300, the flow rate of the paste supplied from the paste injection module 300 to the third tube c can be adjusted according to the pressure of the air introduced into the paste injection module 300 through the first and second tubes b.

In addition, the paste flow control module 500 adjusts the volume of the tube located inside according to the user's input, and discharges it to the fourth tube (d) supplied from the third tube (c) It is possible to control the flow rate of the paste.

That is, the flow rate of the paste supplied to the third tube (c) controlled by the pressure of air discharged from the air pump module 200 to the second tube (b) May be controlled once more by the control module 500.

Specifically, the paste supplied from the third tube (c) connected to one end of the paste flow control module (500) flows along a tube located inside the paste flow control module (500) 4 tube (d).

The paste flow control module 500 controls the flow rate by controlling the volume of the tube through which the paste flowing from the third tube c flows according to the input of the user and controls the flow rate of the paste, Can be supplied to the tube (d).

The paste supplied to the fourth tube d from the paste flow control module 500 is connected to one end of the paste application nozzle 600 and the paste application nozzle 600 is connected to one end of the paste application nozzle 600, The paste discharged through the discharge holes formed at a lower end of the tube at a lower end of the tube can be applied to the workpiece 700 according to the flow rate of the paste discharged from the tube d.

As a result, depending on the pressure of the air adjusted by the air pump module 200 and discharged to the second tube b and the volume of the tube adjusted by the flow control module, It is possible to control the discharge amount of the paste to be discharged through the discharge port.

The three-axis stage module 900 moves the workpiece 700 positioned at the upper end along three axes perpendicular to each other and applies the workpiece 700 to a desired position on the workpiece 700 .

In detail, the three-axis stage module 900 moves the workpiece 700 positioned at the upper end along three axes orthogonal to each other according to a user's input, and the paste application nozzle To the application position under the paste dispensing nozzle 600 and to adjust the distance between the workpiece 700 and the paste dispensing nozzle 600.

The dispenser includes the controller 100 to control the discharge amount of the paste discharged from the dispenser and the application amount of the paste to be applied on the work 700, May control the air pump module 200, the paste flow control module 500, and the three-axis stage module 900 in response to the input of the user.

2 illustrates an exemplary internal configuration of a control unit according to an embodiment of the present invention.

The control unit 100 includes an input receiving unit 110 receiving the input of the user for controlling the air pump module 200 and the paste flow control module 500; An air pump module controller 120 for controlling the pressure of the air to be discharged to the second tube b by controlling the air pump module 200; And a paste flow control module controller 130 for controlling the paste flow control module 500 to control the flow rate of the paste discharged from the paste application nozzle 600.

The air pump module control unit 120 controls the air pump module 200 to control the pressure of the air discharged to the second tube b according to the input of the user through the controller 100 The paste flow control module control unit 130 controls the paste flow control module 500 according to the input of the user through the control unit 100 to adjust the volume of the tubes constituting the paste flow control module 500 Can be adjusted. The three-axis stage module control unit 140 controls the three-axis stage module 900 according to the input of the user through the control unit 100 so that the interval between the discharge hole and the workpiece 700 And the position between the discharge hole and the workpiece 700 can be controlled.

Preferably, the controller 100 adjusts the pressure of the air discharged to the second tube b by the air pump module controller 120 according to a user's input, The controller controls the flow rate of the paste to be supplied to the third tube c and controls the volume of the tube of the paste flow control module 500 in which the paste flows from the inside of the paste flow control module control unit 130 Axis stage module control unit 140 controls the flow rate of the paste supplied from the third tube c and discharged to the fourth tube d, It is possible to control the application amount of the paste applied to the workpiece 700 from the discharge hole.

As described above, the pressure of the air discharged to the second tube (b) and the pressure of the air discharged to the second tube (b) are controlled by the air pump module controller 120 and the paste flow controller module 130, By controlling the volume of the tube, the discharge amount of the paste discharged through the discharge hole can be controlled.

Also, the three-axis stage module controller 140 operating according to the user's input controls the gap between the discharge hole and the workpiece 700 to adjust the application amount of the paste applied to the workpiece 700 .

3 illustrates an internal configuration of a paste flow control module according to an embodiment of the present invention.

According to the embodiment, the paste flow rate control module control unit 130 controls the paste flow rate control module 130 such that the volume of the paste flow rate control module 130 changes according to the external pressure and the paste supplied from the third tube c connected to one end flows, A paste transport elastic tube (520) for guiding the discharge to the tube (d); A paste transport elastic tube support 510 formed to surround the outer circumferential surface of the paste transport elastic tube 520 and supporting the paste transport elastic tube 520, an outer peripheral surface of the paste transport elastic tube 520, And a pressure member unit 530 for adjusting the volume of the paste transport elastic tube 520 by applying pressure to the paste transport elastic tube 520 by a shape change caused by a power source applied by the controller 100, , And the pressure member unit 530 may include a piezoelectric element.

Specifically, the paste transport elastic tube 520 is connected to the third tube c at one end and connected to the fourth tube d at the other end, and the paste supplied to the third tube flows, To be discharged to the tube.

The paste transport elastic tube 520 may be made of a material having elasticity, and the volume may be changed by an external pressure. As the volume is reduced by the external pressure, the paste flowing in the paste transport elastic tube 520 is pushed by the third tube (c) and the fourth tube (d), and the fourth tube d) of the paste.

The paste transport elastic tube 520 may be manufactured using an elastic material, or may be fabricated by coating an elastic material inside the tube.

Specifically, the elastic material for fabricating the paste transport elastic tube 520 may be manufactured using elastic materials including elastic ceramics, Si, and plastic that can be selected by a user in consideration of the use environment .

The paste transport elastic tube support 510 may be formed to surround the outer peripheral surface of the paste transport elastic tube 520. The paste transport elastic tube supporter 510 is made of an elastic material different from the paste transport elastic tube 520 and supports the paste transport elastic tube 520 from the outside, So that a path through which the paste can flow therein can be maintained.

The paste transport elastic tube supporter 510 is formed to surround the entire outside of the paste transport elastic tube 520. The shape of the outside of the paste transport elastic tube supporter 510 may be formed .

However, as described later, the paste transport elastic tube supporter 510 is disposed on the outer peripheral surface of the paste transport elastic tube 520 so that the pressure member unit 530 can be positioned on the outer peripheral surface of the paste transport elastic tube 520, The pressing member unit 530 may be formed on the outer circumferential surface of the paste transport elastic tube through the pressing member inlet.

As described above, the pressing member unit 530 is inserted through the pressing member input port and is positioned on the outer peripheral surface of the paste transport elastic tube 520, Pressure can be applied to the paste transport elastic tube 520.

The pressing member unit 530 may be manufactured using a piezoelectric element whose shape can be changed by an applied power source. The piezoelectric element may be deformed to have a certain directionality by applying power. The user makes the piezoelectric element by taking into consideration the directional property of the piezoelectric element being changed by an applied power source and places it on the outer circumferential surface of the paste transport elastic tube 520.

Also, preferably, the power source applied to the pressing member unit 530 by the input of the user may be an AC power source having a constant frequency. The user controls the change of the shape of the pressing member unit 530 by controlling the frequency, voltage, or current of the AC power source applied to the pressing member unit 530, 530 to control the pressure applied to the paste transport elastic tube 520.

As described above, the AC power source having the frequency is applied to the pressure member unit 530, so that the piezoelectric element is synchronized with the frequency of the AC power source and is synchronized with the paste transport elastic tube 520, The pressure is applied in accordance with the frequency of the power source and the volume of the paste elastic tube is changed in accordance with the pressure synchronized with the frequency of the AC power source applied by the pressing member unit 530, The paste flowing inside the paste elastic tube may be supplied to the fourth tube d repeatedly by a predetermined amount by the pressure synchronized with the frequency of the AC power source applied by the pressure member unit 530 .

With this operation, the dispenser supplies the amount of paste of the target amount, and can realize the fine pitch and the fixed amount discharge.

The paste transport elastic tube 520, the paste transport elastic tube support 510, and the pressure member unit 530 constituting the paste flow control module 500 may be manufactured in various forms as required by the user Hereinafter, an embodiment of implementing the paste flow control module 500 will be described in detail.

4 illustrates an exemplary configuration of a paste flow control module according to an embodiment of the present invention.

(Example 1)

According to the embodiment, preferably, the paste transport elastic tube support base 510 is formed with a groove-shaped first pressing member inlet 540 at a part thereof, and the pressing member unit 530 is formed with a first pressing The member inlet 540 is accommodated in the inner space and the lower surface of the pressing member unit 530 is in contact with a part of the outer circumferential surface of the paste transport elastic tube 520, It is possible to adjust the volume of the paste transport elastic tube 520 by applying pressure to the paste transport elastic tube 520 by the pressure member unit 530 whose shape is deformed by a power source.

More preferably, the paste flow control module 500 includes a lid guide rail 560 formed on an outer circumferential surface of the paste transport elastic tube supporter 510; And an inlet cover (550) which can be guided and moved by the cover guide rail (560) and which can partly or wholly open and close the first pressing member input port, wherein the pressing member unit (530) The lower end of the input port cover 550 is connected to the lower surface of the pressing member unit 530 so that the lower end of the input port cover 550 can be moved The pressing member unit 530 can be fixed in contact with the upper surface.

That is, the paste transport elastic tube 520 is a paste transport elastic tube 520 formed of an elastic material whose volume changes due to an external pressure. The paste transport elastic tube 520 has, at one end, The third tube (c) is connected and the fourth tube (d) having a diameter smaller than that of the paste transport elastic tube (520) is connected to the other end so that the paste supplied from the third tube (c) flows, 4 tube (d); The paste transport elastic tube supporter 510 is formed to surround the entire outer circumferential surface of the paste transport elastic tube 520 to support the shape of the paste transport elastic tube 520, The first pressing member insertion port 540 is formed to penetrate the first pressing member insertion port 540 and accommodates the pressing member unit 530 inserted from the upper side to the lower side through the pressing member input port into the inner space of the first pressing member insertion port 540, When the pressing member unit 530 is lowered according to the input and inserted into the first pressing member inlet 540, the first pressing member insertion opening 540 is slid on the cover induction rail formed on the upper portion so as to open and close the first pressing member insertion opening 540, And the lower surface of the input port cover contacts the upper surface of the pressure member unit 530 to fix the pressure member unit 530, And the lower surface thereof is positioned on a part of the outer circumferential surface of the paste transport elastic tube 520 and deformed by the power source applied according to the user's input, 520) to adjust the volume of the paste transport elastic tube (520).

Specifically, the paste transport elastic tube 520 may be formed of an elastic material whose volume changes by an external pressure as described above. The paste transport elastic tube 520 may be manufactured using an elastic material, or may be fabricated by coating an elastic material inside the tube.

Specifically, the elastic material for fabricating the paste transport elastic tube 520 may be manufactured using elastic materials including elastic ceramics, Si, and plastic that can be selected by a user in consideration of the use environment . However, since the elastic ceramic material is easily broken into a circular shape even after the external pressure is removed, the elasticity of the elastic ceramic material can be improved. It can be used under conditions that flow and volume can be controlled by external pressure.

The paste transport elastic tube 520 is connected at its one end with the third tube c having a diameter smaller than that of the paste transport elastic tube 520 and at the other end with a diameter smaller than that of the paste transport elastic tube 520 And the fourth tube (d) is connected.

The paste supplied to the paste transport elastic tube 520 through the third tube c is discharged through the fourth tube d and the flow rate of the paste discharged through the fourth tube d is May be determined by the amount of the paste flowing in the paste transfer elastic tube 520 pushed to the fourth tube d by the pressure applied from the outside of the paste transfer elastic tube 520.

The paste transport elastic tube supporter 510 may be formed to surround the entire outer circumferential surface as described above to support the shape of the paste transport elastic tube 520.

In order to provide a space for inserting the pressing member unit 530, the paste transport elastic tube supporter 510 has a longitudinal axis of the paste transport elastic tube 520, as shown in FIG. 4, The first pressing member inlet 540 may be formed.

4 (b), when the dispenser is not used, the first pressing member inlet port 540 is provided with a lid guide (not shown) facing the mutually facing surfaces of the first pressing member inlet port 540, Close the inlet cover that slides on the rail.

4 (c), when the dispenser is used, the first pressing member inlet 540 slides on the cover guide rail and opens, and the pressing member unit 530, And is accommodated in the space inside the first pressing member inlet 540 by being inserted downward from the upper side to the lower side.

4 (d), when the pressing member unit 530 is inserted into the first pressing member input port 540, the input port cover slides on the cover induction rail and is closed, The lower surface of the inlet cover may contact the upper surface of the pressing member unit 530 to fix the pressing member unit 530. [

As a result, the pressing member unit 530 is inserted through the first pressing member inlet 540 and the lower surface is positioned on a part of the outer peripheral surface of the paste transport elastic tube 520, When the power is applied according to the input, the volume can be controlled by applying pressure from the outside of the paste transport elastic tube 520 stably without loss of force in a state of being fixed by the inlet cover.

FIG. 5 illustrates an exemplary structure of a paste flow rate control module 500 having a pressure transfer member according to an embodiment of the present invention.

Hereinafter, unlike the first embodiment described above, the lower surface of the pressure member unit 530 is directly contacted with the paste transport elastic tube 520 so that the pressure applied by the pressure member unit 530 The second embodiment for applying pressure to the paste transport elastic tube 520 by the transfer member 531 will be described in detail.

(Example 2)

The paste flow control module 500 preferably includes a pressure transmitting member 531 capable of transmitting a moving amount or a force of the pressing member unit 530 connected to the pressing member unit 530, And a second pressing member insertion port 541 in the form of a groove is formed in a part of the support transfer support 510 of the paste transfer elastic tube 520. The pressing member unit 530 is inserted into the second pressing member insertion port 530, The pressure transmitting member 531 connected to the pressing member unit 530 is in contact with a part of the outer circumferential surface of the paste transport elastic tube 520 and the control member 541 is accommodated in a part of the inner space, The pressing force transmitting member 531 connected to the pressing member unit 530 by the deformation of the pressing member unit 530 by the power source applied by the pressing member unit 100 presses the paste conveying elastic tube 520 The paste transport elasticity The volume of the bracket 520 can be adjusted.

More preferably, the second pressing member input port 541 has a step inside,

The pressing member unit 530 is received in contact with a part of the lower surface of the pressing member unit 530 in contact with the step on the inside of the second pressing member input port 541 and the pressing member 531 connected to the pressing member unit 530, 2 pressing member inlet port 541 and can contact a part of the outer peripheral surface of the paste transport elastic tube 520.

More preferably, the paste flow control module 500 includes a lid guide rail formed on an outer circumferential surface of the support transport 510 of the paste transport elastic tube 520; And an inlet cover 550 which can be guided and moved by the cover guide rail 560 and which can partly or wholly open and close the second pressing member inlet 541, The insertion port cover 550 is slid on the cover induction rail 560 so that the position of the insertion port cover 550 can be shifted and the lower surface of the penetration port cover can be moved to the pressing member unit 560. [ The pressing member unit 530 can be fixed to the upper surface of the pressing member unit 530 by contacting the upper surface of the pressing member unit 530.

That is, the paste transport elastic tube 520 is a paste transport elastic tube 520 formed of an elastic material whose volume changes by an external pressure. The paste transport elastic tube 520 has, at one end, The fourth tube d having a diameter smaller than that of the paste transport elastic tube 520 is connected to the other end and the paste supplied from the third tube c flows, And the paste transport elastic tube supporter 510 is formed so as to surround the entire outer circumferential surface of the paste transport elastic tube 520 so that the shape of the paste transport elastic tube 520 And a second pressing member inlet port 541 having a stepped portion vertically passing through the axial direction is formed at an upper portion of the second pressing member inlet port 541 so as to be inserted into the inner space of the second pressing member inlet port 541 from the upper side to the lower side When the pressing member unit 530 is lowered and inserted into the second pressing member input port 541 according to a user's input, it is slid on the cover guide rail formed on the upper side The input port cover for opening and closing the second pressing member input port 541 is slid and closed so that the lower surface of the input port cover contacts the upper surface of the pressure member unit 530 to fix the pressure member unit 530, The pressing member unit 530 is inserted through the second pressing member input port 541 so that the pressing member unit 530 is seated on the upper part of the step provided in the second pressing member input port 541, The pressure transmitting member 531 formed on the lower portion of the unit 530 is positioned on a part of the outer circumferential surface of the paste transport elastic tube 520 and the pressing member unit 530 by a power source, Of Deformed to be the pressure transmission member 531 is applying pressure to the paste transport elastic tube 520 to control the volume of the paste transport elastic tube 520 on.

The paste transport elastic tube 520 constituting the paste flow control module 500 of the second embodiment has the same configuration as the paste transport elastic tube 520 of the first embodiment described above.

That is, the paste transport elastic tube 520 may be formed of an elastic material whose volume changes by an external pressure as described above. The paste transport elastic tube 520 may be manufactured using an elastic material, or may be fabricated by coating an elastic material inside the tube.

Specifically, the elastic material for fabricating the paste transport elastic tube 520 may be manufactured using elastic materials including elastic ceramics, Si, and plastic that can be selected by a user in consideration of the use environment .

However, since the elastic ceramic material is easily broken into a circular shape even after the external pressure is removed, the elasticity of the elastic ceramic material can be improved. It can be used under conditions that flow and volume can be controlled by external pressure.

The paste transport elastic tube 520 is connected at its one end with the third tube c having a diameter smaller than that of the paste transport elastic tube 520 and at the other end with a diameter smaller than that of the paste transport elastic tube 520 And the fourth tube (d) is connected.

The paste supplied to the paste transport elastic tube 520 through the third tube c is discharged through the fourth tube d and the flow rate of the paste discharged through the fourth tube d is May be determined by the amount of the paste flowing in the paste transfer elastic tube 520 pushed to the fourth tube d by the pressure applied from the outside of the paste transfer elastic tube 520.

The paste transport elastic tube support 510 has a different structure from that of the first embodiment in order to accommodate the pressure member unit 530 including the pressure transmitting member 531. [

That is, the paste transport elastic tube support 510 may be formed to surround the entire outer peripheral surface as described above to support the shape of the paste transport elastic tube 520.

However, unlike the first embodiment described above, in order to provide a space for inserting the pressure member unit 530 having the pressure transmitting member 531, the paste transport elastic tube supporter 510 is formed as shown in FIG. 5 As shown in the figure, a second pressing member inlet 541 having a step vertically penetrating the longitudinal axis of the paste transport elastic tube 520 may be formed.

As shown in FIG. 5B, when the dispenser is not used, the second pressing member inlet 541 is provided with a lid guiding member 541, which is provided toward the mutually facing surfaces of the second pressing member inlet 541, Close the inlet cover that slides on the rail.

5C, when the dispenser is used, the second pressing member inlet 541 slides on the cover guide rail and opens, and the pressure transmitting member 531 is opened, Is received in the space inside the first pressing member inlet 540 by being lowered and inserted from the upper side to the lower side.

5 (c), the pressing member unit 530 is seated on the upper portion of the step formed on the second pressing member input port 541, and the pressing member unit 530 is formed on the lower portion of the pressing member unit 530 The pressure transmitting member 531 may be positioned on a part of the outer circumferential surface of the paste transport elastic tube 520.

5 (d), when the pressing member unit 530 is inserted into the second pressing member input port 541, the input port cover slides on the cover guide rail and is closed, The lower surface of the inlet cover may contact the upper surface of the pressure member unit 530 to fix the pressure member unit 530. [

The pressing member unit 530 including the pressing member 531 is inserted through the second pressing member input port 541 so as to be inserted into the pressing member unit 530 formed at the lower portion of the pressing member unit 530, 531 are positioned on a part of the outside of the paste transport elastic tube 520 and when power is applied according to the input of the user, the force is transmitted through the pressure transmitting member 531 in a state fixed by the inlet cover, It is possible to control the volume by applying pressure from the outside of the paste transport elastic tube 520 stably without loss of the paste.

Unlike the pressure member unit 530 of the first embodiment, when the pressure member unit 530 including the pressure transmission member 531 of the second embodiment is used, the pressure member unit 530, which is not the pressure member unit 530, It is possible to reduce the possibility of damaging and abrading the pressure member unit 530 by pressing the pressure transfer member 531 in contact with the paste transfer elastic tube 520 so that the pressure transmission member 531 It is easy to manufacture and replace it, thereby reducing the maintenance cost.

Fig. 6 exemplarily shows a configuration of a paste flow control module constituted by a ring-shaped pressurizing member unit according to an embodiment of the present invention.

(Example 3)

According to the embodiment, preferably, the paste transport elastic tube supporter (510) is formed with a ring-shaped groove along an outer circumferential surface of the paste elastic tube at a portion thereof, and the pressure member unit The pressing member unit 530, which is formed in the form of wrapping the outer circumferential surface of the paste elastic tube exposed to the outside by the ring-shaped groove and is deformed by a power source applied by the control unit 100 It is possible to adjust the volume of the paste transport elastic tube 520 by applying pressure to the paste transport elastic tube 520.

In other words, the paste transport elastic tube 520 is a paste transport elastic tube 520 formed of an elastic material whose volume changes due to an external pressure. The paste transport elastic tube 520 includes, at one end, The third tube (c) is connected and the fourth tube (d) having a diameter smaller than that of the paste transport elastic tube (520) is connected to the other end so that the paste supplied from the third tube (c) flows, And the paste transport elastic tube supporter 510 is separately formed so as to surround part of both ends of the outer circumferential surface of the paste transport elastic tube 520, The ring-shaped pressing member unit 532 supports the shape of the elastic tube, and the ring-shaped pressing member unit 532 surrounds the outer surface of the paste-transporting elastic tube 520, which is not supported by the paste- Shaped pressing member unit 532 by a power source applied in accordance with an input of a user to apply pressure to the paste transport elastic tube 520 to increase the volume of the paste transport elastic tube 520 Can be adjusted.

The paste transport elastic tube 520 constituting the paste flow control module 500 of the third embodiment has the same configuration as the paste transport elastic tube 520 of the first and second embodiments described above.

That is, the paste transport elastic tube 520 may be formed of an elastic material whose volume changes by an external pressure as described above. The paste transport elastic tube 520 may be manufactured using an elastic material, or may be fabricated by coating an elastic material inside the tube.

Specifically, the elastic material for fabricating the paste transport elastic tube 520 may be manufactured using elastic materials including elastic ceramics, Si, and plastic that can be selected by a user in consideration of the use environment .

However, since the elastic ceramic material is easily broken into a circular shape even after the external pressure is removed, the elasticity of the elastic ceramic material can be improved. It can be used under conditions that flow and volume can be controlled by external pressure.

The paste transport elastic tube 520 is connected at its one end with the third tube c having a diameter smaller than that of the paste transport elastic tube 520 and at the other end with a diameter smaller than that of the paste transport elastic tube 520 And the fourth tube (d) is connected.

The paste supplied to the paste transport elastic tube 520 through the third tube c is discharged through the fourth tube d and the flow rate of the paste discharged through the fourth tube d is May be determined by the amount of the paste flowing in the paste transfer elastic tube 520 pushed to the fourth tube d by the pressure applied from the outside of the paste transfer elastic tube 520.

The paste transfer elastic tube support base 510 has a configuration different from that of the first and second embodiments described above in order to use the ring-shaped pressing member unit 532.

That is, the paste transport elastic tube support 510 may be formed to surround the entire outer peripheral surface as described above to support the shape of the paste transport elastic tube 520.

6, in order to use the ring-shaped pressing member unit 532 different from the above-described first and second embodiments, the paste-transporting elastic tube supporter 510 has two different paste transport elasticities And is formed separately from the tube support 510 so as to surround portions of both ends of the outer circumferential surface of the paste transport elastic tube 520 to support the shape of the paste transport elastic tube 520.

As described above, the ring-shaped pressing member unit 532 is arranged along the outer peripheral surface of the paste transport elastic tube 520, which is not supported by the paste transport elastic tube support 510, Shaped pressing member unit 532 by a power source applied in accordance with the pressure of the user to apply pressure to the upper-stage paste-transporting elastic tube 520 to increase the volume of the paste-transporting elastic tube 520 Can be adjusted.

The ring-shaped pressing member unit 532 may be separated from the paste transport elastic tube support 510 by the user or may be located along the outer peripheral surface of the paste transport elastic tube support 510.

As described above, by controlling the flow rate of the paste discharged to the fourth tube (d) by the paste flow control module 500 implemented by the first to third embodiments, Can be controlled.

Hereinafter, a configuration for controlling the application amount of the paste applied on the work 700 by the three-axis stage module 900 in addition to the flow rate of the paste discharged from the application hole will be described in detail.

FIG. 7 illustrates an exemplary operation of a three-axis stage module according to an embodiment of the present invention.

As shown in FIG. 7, the work table 800 and the workpiece 700 may be positioned on the three-axis stage module 900.

As described above, the three-axis stage module 900 moves the work table 800 and the workpiece 700 located at the upper end thereof along three axes perpendicular to each other according to the input of the user of the three-axis stage module controller The gap between the work 700 and the paste application nozzle 600 can be adjusted by moving the paste to the application position under the paste application nozzle 600 to which the paste is applied and dispensed.

The paste discharged from the application holes of the paste application nozzle 600 may be determined by the air pump module 200 and the paste flow control module 500 as described above, The application amount of the paste to be applied on the paste dispensing nozzle 600 is determined by the distance between the application hole of the paste dispensing nozzle 600 and the workpiece 700, It can be decided according to whether or not it moves at a speed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Appropriate results can be achieved even if the components of the dispenser described above are combined or combined in different forms or replaced or replaced by other components or equivalents.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

500: Paste flow control module
510: Paste transport elastic tube support
511: Discrete paste transport elastic tube support
520: paste transport elastic tube
530: pressure member unit
531:
532: ring pressing member
540: First pressing member inlet port
541: second pressing member inlet port
550: Diaphragm cover
560: lid guide rail
600: paste application nozzle
700: Workpiece
800: Workbench
900: 3-axis stage module

Claims (10)

A dispenser for controlling the application amount of paste,
An air pump module for compressing air introduced from a first tube connected to one end and discharging the compressed air to a second tube connected to the other end;
A paste injecting module for supplying a paste stored therein to a third tube connected to the other end by a pressure of air introduced from a second tube connected to the one end;
A paste flow rate control module for controlling the flow rate of the paste supplied from the third tube connected to one end and discharging the paste to a fourth tube connected to the other end;
A paste applying nozzle for applying the paste discharged through a discharge hole having a predetermined diameter or less formed at a lower end of the paste to a workpiece according to a flow rate of the paste discharged from the fourth tube connected at one end; And
And a control unit for controlling the air pump module and the paste flow rate control module,
Wherein,
And a paste flow rate control module control unit controlling the paste flow rate control module to adjust a flow rate of the paste discharged from the paste application nozzle,
The paste flow control module control unit controls the flow rate of the paste that is supplied from the third tube and discharged to the fourth tube by pressing the tube through which the paste flows, in the paste flow control module,
The paste flow rate control module,
A paste transporting elastic tube which changes its volume by an external pressure and guides the paste supplied from the third tube connected at one end to flow into the fourth tube connected to the other end; And
And a pressing member which is located on an outer circumferential surface of the paste transporting elastic tube and which applies pressure to the paste transporting elastic tube by a shape change caused by a power source applied by the paste flow control module controller to control the volume of the paste transport elastic tube, Unit,
Wherein the pressure member unit includes a piezoelectric element and the piezoelectric element is supplied with an AC power source having a specific frequency by the paste flow rate control module controller to apply pressure to the paste transport elastic tube according to the frequency,
The volume of the paste transport elastic tube is reduced, so that the paste flowing in the paste transport elastic tube is pushed to the fourth tube,
The paste flow rate control module,
And a paste transporting elastic tube supporting member formed to surround the outer circumferential surface of the paste transporting elastic tube and supporting the paste transporting elastic tube,
Wherein the paste flow control module further comprises a pressure transmitting member capable of transmitting a moving amount or a force of the pressing member unit connected to the pressing member unit,
The paste transport elastic tube support part is formed with a groove-shaped second pressing member inlet at a part thereof,
The pressure transmitting member connected to the pressure member unit is in contact with a part of the outer peripheral surface of the paste transport elastic tube,
The pressure transmitting member connected to the pressing member unit by pressure of the pressing member unit deforms the paste transport elastic tube to adjust the volume of the paste transport elastic tube by the power applied by the controller,
The second pressing member input port has a step inside,
Wherein a part of the lower surface of the pressing member unit is received in contact with the step on the inside of the second pressing member input port,
The pressure transmitting member connected to the pressing member unit is received in the lower space of the second pressing member input port and contacts a part of the outer peripheral surface of the paste transport elastic tube,
The paste flow rate control module,
A lid guide rail formed on an outer circumferential surface of the paste transport elastic tube support; And an inlet cover capable of guiding and moving by the cover guide rail and capable of partially or totally opening and closing the second pressing member inlet,
When the pressing member unit is accommodated in the second pressing member input port, the input port cover slides on the cover induction rail to move the position, and the lower surface of the input port cover contacts the upper surface of the pressing member unit And the pressure member unit is fixed on the step.
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