KR101395126B1 - Liquid material delivery apparatus - Google Patents

Abstract

The present invention relates to a liquid material ejecting apparatus capable of separating only a liquid contacting portion (liquid contact portion) from a main body portion safely and easily, and is a liquid material ejecting apparatus in which a nozzle and a storage container are directly or indirectly fixedly installed, A liquid material discharging device comprising a liquid-contacting portion having a discharging member, a holding portion to which the housing is mounted, and a main body portion having a driving portion for operating the discharging member, wherein the discharging member and the driving portion are configured to be mountable and detachable And the housing and the holding portion are configured to be mountable and detachable so that the liquid contact portion and the body portion can be attached and detached.

A liquid-contacting portion, a liquid material, a discharging device, a housing, a driving portion, a main body portion,

Description

[0001] LIQUID MATERIAL DELIVERY APPARATUS [0002]

The present invention relates to an apparatus for discharging a liquid in a fixed amount, and more specifically, to a liquid material discharging apparatus having a mechanism for separating or coupling a liquid-contacting portion (liquid contact portion) and a body portion.

The term " discharge " in the present invention includes a discharge method of a type in which the liquid material comes into contact with the workpiece before being discharged from the discharge portion, and a discharge method of a type in which the liquid material comes into contact with the workpiece after being discharged from the discharge portion .

As a technique for discharging a liquid material such as an adhesive onto a substrate, there has been known a technique in which, for example, a screw in which a wing is formed in a spiral shape in the axial direction of the surface of a bar-shaped body is rotated, A method of discharging a liquid by transporting is known as a screw type, and is widely used particularly for discharging a liquid material containing a high-viscosity liquid material or a filler.

Examples of the screw-type discharge device include a supply device for supplying a high-viscosity fluid, a nozzle for discharging the high-viscosity fluid, and a high-viscosity fluid supply device provided between the supply device and the discharge nozzle, There is an apparatus including a pump for sending a viscous fluid to a discharge nozzle and a pump control device for controlling the discharge amount of the viscous fluid from the discharge nozzle by controlling the pump (Patent Document 1).

More specifically, the pump includes a screw housing having a screw room having a circular cross-sectional shape, and a screw provided in the screw housing so as to be substantially airtight and rotatably installed, wherein the pump control device rotates the pump housing relative to the screw And the feed device is a pressurized feed device that pressurizes the high viscosity fluid and supplies it to the screw pump.

As a discharge device proposed by the applicant of the present application, there are a screw provided with a spiral wing extending from the tip end to the cylinder surface, a motor for rotating the screw, a liquid material inlet through which the liquid material is supplied, And a screw-type discharge device for discharging the liquid material by rotation of the screw, comprising: a main body including a screw through hole and a housing for covering a discharge port side end of the screw; and a nozzle mounted on the tip of the housing and communicating with the inside of the housing , And a gap is formed between the screw and the wall surface of the housing (Patent Document 2).

Patent Document 1: Japanese Patent Application Publication No. 2002-239433

Patent Document 2: Japanese Patent Application Publication No. 2002-326715

In some cases, part or all of the liquid material flow path is formed integrally with a member for fixing the motor or the like in many cases. That is, since the portion directly contacting the liquid material (wetted portion) and the portion not directly contacting the liquid material are closely related to each other, there is a case where the latter is applied to the former when the former is performed. The number of process steps is required.

The liquid material ejecting apparatus is usually mounted on an automatic machine (XY robot) for moving relative to a workpiece in order to apply a desired pattern to the workpiece. Here, when a consumable item such as a liquid material or a nozzle is exchanged or a maintenance work is carried out, accidents in which the parts are dropped are not reduced, and there are cases where not only the dropped units but also the objects to be coated and the driving parts are damaged.

Therefore, it is an object of the present invention to provide a liquid material discharging device which can securely and easily separate only the liquid-contacting portion from the main body portion.

The liquid material discharging device of the present invention is provided with a liquid contact portion integrally formed with a nozzle, a storage container and a discharge member which require regular maintenance work, and the liquid contact portion can be separated from the body portion, Thereby making it possible to separate them safely and easily.

That is, the first invention provides a liquid container comprising: a liquid container having a nozzle and a storage container fixed directly or indirectly, and a discharge member having a discharge member inserted and mounted in the housing; a holding portion to which the housing is mounted; Wherein the liquid discharging member and the driving unit are configured to be mountable and detachable by a connecting member and the housing and the holding unit can be mounted and detached so that the liquid contacting unit and the main body unit can be mounted and detached And a liquid material discharge device.

A second invention is characterized in that, in the first invention, the holding part is configured to be movable up and down with the housing mounted thereon.

According to a third invention, in the first or second invention, the holding part has a plurality of guide pins, the housing has a plurality of guide holes into which the guide pins are inserted, the housing horizontally moves to the opening of the holding part, .

A fourth aspect of the present invention is the fourth aspect according to the first or second invention, wherein the housing has a convex portion or a concave portion on a side surface thereof, the holding portion includes an opening portion into which the housing is inserted and a convex portion or a concave portion, And the housing is horizontally moved to the opening of the holding part to be mounted and separated.

A fifth invention is characterized in that, in any one of the first to fourth inventions, the end portion of the discharge member is polygonal, and the connecting member has a polygonal hole in which the end portion of the discharge member is fitted .

According to a sixth aspect of the present invention, in any one of the first to fifth aspects of the present invention, a fixture for fixing the liquid contact portion and the main body portion is provided.

According to the present invention, it is possible to provide a liquid material discharging device which can securely and easily separate only the liquid contacting portion from the main body portion.

1 is a schematic view of a liquid material ejecting apparatus of a first embodiment.

Fig. 2 is an enlarged cross-sectional view of a joint portion between the liquid-contacting portion and the main body portion.

3 is a partial cross-sectional view of the coupling portion of the coupling and the screw.

4 is a partial cross-sectional view of a portion of the holder portion.

5 is a partial cross-sectional view for explaining the upward and downward movement at the time of separating the liquid contacting portion.

6 is a partial cross-sectional view for explaining the horizontal movement in separating the liquid-contacting portion.

7 is a partial cross-sectional view for explaining the horizontal movement when the liquid contact portion is mounted.

8 is a partial cross-sectional view for explaining the upward and downward movement when the liquid contact portion is mounted.

9 is an enlarged cross-sectional view of a coupling portion between a liquid-contacting portion and a main body portion in the liquid material ejecting apparatus according to Embodiment 2

10 is a schematic view of the liquid material discharge device of the third embodiment.

11 is a schematic view of a joint portion between the liquid-contacting portion and the main body portion in the liquid material ejecting apparatus of the third embodiment.

12 is a schematic view showing an example of the liquid material discharge device of the fourth embodiment.

13 is a schematic view of a joint portion of the liquid-contacting portion and the main body portion in the liquid material ejecting apparatus of the fourth embodiment.

DESCRIPTION OF THE REFERENCE NUMERALS

1:

2: Screw

3: Housing

4: Nozzle

5: Storage container (syringe)

6:

7:

8: Cup ring

9: Holder

10: Base

11: Retention vessel fastener

12: adapter tube

13: Wetting part fixing screw

14: Motor

15: plunger

16: Plunger moving means

17: Plunger fastener

18: Valve body

19: Chuck

201: Shaft

301: protrusion

302: Extension

303: Screw hole

304: rear end

305: Guide hole

801: Connection hole

901:

902: holder inner surface

903: Lower inner surface of the holder

904: holder upper surface

905: Screw hole

906: Guide pin

The liquid material discharging device of the present invention is provided with a nozzle 4, a storage container 5 requiring regular maintenance work, and a liquid contact portion 1 integrally formed with the discharge member through the housing 3, Only the liquid contact portion 1 is detached from the main body portion 6 by making the main body portion 6 and the housing 3 mountable and detachable so that the driving member 7 and the driving member 7 can be mounted and detached by the connecting member .

Best Mode for Carrying Out the Invention Hereinafter, a best mode for carrying out the present invention will be described by taking a screw type liquid material discharge device as a specific example.

In the housing 3 according to the present invention, a flow path communicating with the nozzle 4 is formed in the housing 3, and the screw 2 serving as the discharge member is inserted.

The housing 3 has an extension portion 302 and is capable of mounting the storage container 5 to the extension portion 302. The extension portion 302 has a flow path formed therein and communicates the nozzle 4 mounted on the housing 3 with the storage container 5. [ The shape and the like of the extension portion 302 are design matters and can be made suitable for arranging the storage container 5 at an arbitrary place in accordance with the specification of the discharge device.

The main body part (6) has a holding part to which the housing (3) is mounted. Here, when the housing 3 is to be mounted on the holding portion, it is preferable that the housing 3 is configured to be slid in the horizontal direction. Holding the housing 3 by a slide member or the like provided on the holding portion can prevent the liquid contact portion 1 from falling when the liquid contact portion 1 is mounted and separated. For example, it is preferable that a convex portion or a concave portion is formed on the side of the housing 3, and a concave portion or a convex portion facing the concave portion or the convex portion is formed in the opening portion of the holding portion.

It is also assumed that the liquid contact portion 1 needs to be movable up and down in order to connect the discharge member (screw 2) and the drive portion 7. As a means for realizing this, the housing 3 may be vertically movable with the housing 3 mounted on the holding part, or the driving part 7 may be movable up and down. In the case of the former, it is preferable that a space for guiding the up-and-down movement of the housing 3 be formed in the holding portion.

The holding portion is provided with fixing means for fixing the mounted housing 3. For example, as shown in Fig. 2, the housing 3 is fixed by screw holes 303 and 905. Fig.

It is preferable that the connecting member for connecting the screw 2 and the driving unit 7 in which the driving means such as a motor is incorporated can be connected without using a screw means or the like. For example, as shown in Fig. 3, by fitting a connection hole 801 having a shape matching the cross-sectional shape obtained by chamfering the shaft end 201 and the chamfering of the hexagon, The driving of the driving unit 7 can be transmitted to the liquid contacting unit 1 without using a screw means or the like.

Incidentally, in the example of Fig. 3, the combination of the shaft end 201 and the connection hole 801 is not limited to a hexagon.

It is preferable that the liquid contact portion 1 is fixed at two or more portions at least a certain distance away from the main body portion 6. [ 1, the storage container 5 and the drive portion 7 are fixed by the storage container holder 11, and the housing 3 is fixed to the holder 9, which is a holding portion, .

Hereinafter, the details of the present invention will be described by way of examples, but the present invention is not limited to the embodiments.

Example 1

Fig. 1 is a schematic view of the liquid material ejecting apparatus of the present embodiment, and Fig. 2 is an enlarged cross-sectional view of a joining portion of the liquid contact portion 1 and the body portion 6. Fig. Hereinafter, the nozzle 4 side may be referred to as a downward direction, and the base 10 side may be referred to as an inner direction.

The apparatus of this embodiment is a screw-type liquid material discharging device, and mainly comprises a liquid-contacting portion 1 and a body portion 6. [

The liquid contact portion 1 includes a screw 2 having a spiral wing in the axial direction on the surface of the rod-like body, a housing 3 rotatably receiving the screw 2 therein, (4), and a storage container (5) for storing the liquid material.

The body portion 6 includes a driving portion 7 in which a motor 14 (not shown) for rotating the screw 2 is incorporated, a cup ring 8 for transmitting the rotational force of the driving portion 7 to the screw 2 A holder 9 as a holding part for holding the housing 3 and a base 10 for mounting the driving part 7 and the holder so as to maintain a constant gap therebetween.

As shown in Fig. 2, the housing 3 has protruding portions 301 formed on two parallel sides of the side surface, and has a substantially T-shape when viewed from the front. A nozzle 4 is fixed to the lower surface of the housing 3. An extension portion 302 having a flow path formed therein is fixed to the rear end portion 304 of the housing 3 and a storage container 5 is fixed to the extension portion 302.

The holder 9 is a member on which the housing 3 is mounted, and its inner surface is composed of a holder upper inner surface 902 and a holder lower inner surface 903. [

The holder upper inner surface 902 is the upper portion of the inner wall surface and the inner portion is in the shape along the outer periphery of the protruding portion 301 of the housing 3 and the convex portion is formed in the immediately front portion. With this configuration, the housing 3 inserted into the holder 9 can move in the vertical direction along the inner portion and the inner wall surface, and the movement in the forward direction can be prevented by the rear end portion 304, Lt; / RTI > The vertical dimension of the holder upper inner surface 902 is equal to or slightly larger than the vertical dimension (thickness) of the protruding portion 301 of the housing 3 and is greater than or equal to the depth of the contact hole 801 Or longer than the length of the shaft end 201).

The holder lower inner surface 903 is the lower portion of the inner wall surface adjacent to the lower side of the holder upper inner surface 902 and the inner portion is the outer periphery of the projecting portion 301 of the housing 3 in the same manner as the holder upper inner surface 902 And the forward direction thereof is formed to have substantially the same width as the protruding portion 301. The vertical dimension of the holder lower inner surface 903 is configured to be equal to or slightly larger than the thickness of the protruding portion 301 of the housing 3. [

At the lowermost end of the holder 9, a fixing portion 901 which is a substantially U-shaped convex portion adjacent to the holder lower inner surface 903 is formed. The fixing portion 901 serves as a rail means for inserting and separating the housing 3 into and from the holder 9, and also functions as a fall preventing means.

At the uppermost end of the holder 9, an upper surface 904 having a substantially U-shaped cut-in, that is, a cut-in is formed. The upper surface 904 also functions as a positioning means in the vertical direction when the housing 3 is mounted.

As shown in Fig. 3, the screw 2 has a helical wing, and has a shaft end 201 formed by chamfering the side surface over a predetermined length from the end on the drive unit 7 side. The coupling (8) has a connection hole (801) of a shape matching the sectional shape of the shaft end (201).

By providing the shaft end 201, the rotational force can be transmitted merely by fitting the shaft end 201 into the connection hole 801, so that the liquid contact portion 1 and the body portion 6 can be easily separated and joined.

"Separation procedure"

The separation procedure of the liquid contact portion 1 will be described with reference to Figs. 1, 5, and 6. Fig.

First, the storage container fixture 11 connecting the storage container 5 (hereinafter referred to as "syringe 5") and the body portion 6 is detached. Subsequently, the adapter tube 12 is separated from the syringe 5.

Next, the handle attaching screws 13 at two side surfaces of the holder 9 fixing the liquid contact portion 1 and the body portion 6 are loosened.

The liquid contact portion 1 is moved in the vertical direction along the holder upper inner surface 902 until the protrusion 301 of the housing 3 is separated from the portion of the holder upper inner surface 902 as shown in Fig.

At this time, the vertical dimension of the holder upper inner surface 902 is configured to be equal to or larger than the vertical dimension of the protruding portion 301, and to be equal to or greater than the depth of the connection hole 801 (or longer than the length of the shaft end 201) Therefore, when the housing 3 is moved until it is away from the holder upper inner surface 902, the shaft end 201 completely deviates from the connection hole 801.

Since the fixing portion 901 is provided at the lowermost portion of the holder 9, even if force is applied in the vertical direction when the shaft end 201 is peeled off from the connection hole 801, The protruding portion 301 of the liquid-contact portion 301 abuts against the protruding portion 301, so that the liquid-contact portion 1 is not likely to fall.

Finally, as shown in Fig. 6, the housing 3 can be horizontally moved to the front opening side along the inner bottom surface 903 of the holder to separate the liquid-contacting portion 1 from the body portion 6. Fig.

The separated liquid contacting portion 1 is mounted on the main body portion 6 in accordance with a mounting procedure to be described later after performing operations such as maintenance of the syringe 5 and the nozzle 4 and the like.

"Mounting procedure"

The mounting procedure of the contact portion 1 will be described with reference to Figs. 7 and 8. Fig.

First, as shown in Fig. 7, the contact portion 1 is held so that the syringe 5 faces the front, the horizontal position of the protrusion 301 of the housing 3 is set to the position of the inner bottom surface 903 of the holder, While pushing along the inner bottom surface 903 of the holder, press it inward until it touches. During this time, since the movement of the housing 3 in the vertical direction is restricted by the fixing portion 901, the liquid contact portion 1 is not dropped.

The liquid contact portion 1 is vertically raised until the protruding portion 301 of the housing 3 touches the upper surface 904 of the holder 9 as shown in Fig. At this time, the shaft end 201 is inserted into the connection hole 801 of the coupling 8. When the shape of the shaft end 201 and the shape of the connection hole 801 do not agree with the rotation direction when inserting, the coupling 8 is rotated so as to match the shape to align the surfaces. The position of the screw hole 303 formed in the side surface of the housing 3 is set to be the same as the position of the screw hole 303 formed on the side surface of the holder 9 while maintaining the state in which the projecting portion 301 of the housing 3 is in contact with the upper surface 904 of the holder 9. [ And the handle attaching screw 13 is fastened from the side surface portion 2 to fix the liquid contact portion 1 to the body portion 6. [

Finally, when the adapter tube 12 is mounted on the syringe 5 and the syringe 5 is fixed to the main body 6, the mounting is completed.

By attaching the liquid contact portion 1 to the main body 6, the discharge operation can be started.

Example 2

As shown in Fig. 9, the apparatus of this embodiment is a screw-type liquid material dispensing apparatus in which the structure of the housing 3 and the holding section is different from that of the first embodiment.

The main body portion 6 includes a driving portion 7, a coupling 8 for transferring rotational force of the driving portion 7 to the screw 2, two guide pins 906 as a holding portion, and a driving portion 7 And a base 10 to which the base 10 is attached.

Two guide pins 906 are provided in the base 10 in a direction perpendicular to the rotation axis of the screw 2 and two screw holes 905 are formed in the lower portion thereof for fixing the housing 3.

The liquid contact portion 1 includes a screw 2 having a spiral wing in the axial direction on the surface of the rod-like body, a housing 3 rotatably receiving the screw 2 therein, (4), and a storage container (5) for storing the liquid material.

In the housing 3, two guide holes 305 each having an elongated hole shape into which two guide pins 906 are inserted are formed, and screw holes 303 for fixing the housing are formed at two positions have. A nozzle 4 is fixedly mounted on a lower surface of the housing 3 and an extended portion 302 is fixedly attached to an end 304 of the housing 3 and a storage container 5 is fixed to the extended portion 302.

"Separation procedure"

When separating the liquid contact portion 1 from the main body portion 6, first, the handle attaching screw 13 (not shown) is loosened. The liquid contact portion 1 is lowered until the guide pin 906 comes into contact with the upper end of the guide hole 305 while the inner side surface of the housing 3 is in contact with the base 10. [ Next, the guide pin (906) is moved in the horizontal direction until the side of the guide pin (906) faces the inner surface of the upper end of the guide hole (305) You can.

The vertical dimension of the guide hole 305 is configured so that the distance the guide pin 906 moves within the guide hole 305 is equal to or greater than the depth of the connection hole 801 or the length of the shaft end 201.

"Mounting procedure"

The guide pin 906 is first inserted into the guide hole 305 and the inner surface of the housing 3 is pressed against the base 10 until the surface in the inward direction of the housing 3 touches the base 10 The liquid contact portion 1 is moved in the horizontal direction. At this time, the side surface (curved surface portion) of the guide pin 906 is moved in the horizontal direction along the inner surface of the upper end of the guide hole 305. Next, the liquid contact portion 1 is lifted up until the guide pin 906 touches the lower end of the guide hole 305 while the inner side surface of the housing 3 is in contact with the base 10. Finally, the position of the screw hole 303 formed in the housing 3 and the position of the screw hole 905 formed in the base 10, while maintaining the state in which the guide pin 906 is in contact with the lower end of the guide hole 305, And fixes the liquid contact portion 1 by the handle attaching screw 13 (not shown).

Example 3

Fig. 10 is a schematic view of the liquid material ejecting apparatus of the present embodiment, and Fig. 11 is an enlarged cross-sectional view of the engagement portion of the liquid contacting portion 1 and the main body portion 6. Fig.

The apparatus of the present embodiment is a plunger type liquid material discharging device for discharging a desired amount of plunger 15 slidingly moved in close contact with the inner surface of a storage container 5 having nozzles 4 at the tip thereof, The liquid-contacting portion 1 and the main body portion 6 are the main elements.

The liquid contact portion 1 includes a plunger 15 serving as a discharge member, a storage container 5 accommodated in the plunger 15 therein, a nozzle 4 for discharging the liquid material, a nozzle 4, And a housing 3 in which the housing 5 is fixedly installed.

The body portion 6 is constituted by a driving portion 7 provided with a plunger moving means 16 for moving the plunger 15 forward and backward and a holder 9 serving as a holding portion for holding the housing 3.

Like the first embodiment, the housing 3 has protruding portions 301 formed on two parallel sides of the side surface, and has a substantially T-shape when viewed from the front.

The configuration of the holder 9 is also the same as that of the first embodiment. That is, the holder 9 is composed of the fixing portion 901, the holder upper inner surface 902, the holder lower inner surface 903, and the upper surface 904.

The separation procedure is the same as that in Embodiment 1. First, the plunger fixture 17 for connecting the plunger 15 and the main body portion 6 is detached. The handle attaching screw 13 is loosened so that the liquid contact portion 1 is moved in the vertical direction until the projecting portion 301 of the housing 3 is released from the holder upper inner surface 902 and the holder lower inner surface 903 is moved, The liquid-contact portion 1 can be separated from the main body portion 6 by moving the housing 3 horizontally toward the front opening side.

The mounting procedure is also the same as that of the first embodiment. The horizontal position of the protruding portion 301 of the housing 3 is set to the position of the lower inner surface 903 of the holder and is pushed inward until it touches the inner surface 903 of the holder lower portion to raise the liquid contact portion 1 vertically And the position of the screw hole 303 formed in the side surface of the housing 3 is aligned with the screw hole 905 formed in the side surface of the holder 9 and the knob attachment screw 13 is fastened from two side surfaces, (6).

Example 4

Fig. 12 is a schematic view of the liquid material ejecting apparatus of the present embodiment, and Fig. 13 is an enlarged cross-sectional view of the engagement portion of the liquid contact portion 1 and the main body portion 6. Fig.

The apparatus of the present embodiment is a jet type liquid material discharging device for jetting a liquid material from a tip end of a nozzle 4 by colliding with a valve seat 18 on a valve seat and is the same as the apparatus of Embodiment 1 , A liquid-contacting portion (1) and a body portion (6) as main elements.

The liquid contact portion 1 includes a valve body 18 serving as a discharge member, a housing 3 housing the valve body 18 therein, a nozzle 4 for discharging the liquid material, a reservoir And a container (5).

The main body portion 6 includes a driving portion 7 having a switching valve for switching supply of air to the air chamber and the spring chamber and the air chamber and a chucking member for connecting the driving portion 7 and the valve body 18 A holder 9 as a holding part for holding the housing 3 and a base 10 for mounting the driving part 7 and the holder so as to maintain a constant gap therebetween. In the same manner as in the first embodiment, the storage container fixture 11 may be provided.

Like the first embodiment, the valve body 18 has a shaft end 201 formed by chamfering the side surface of the end on the drive unit 7 side over a predetermined length. The chuck 19 has a connecting hole 801 shaped to match the sectional shape of the shaft end 201 and is structured such that the fitted valve body 18 can be fixed from the side by a not shown screw.

The shaft end 201 of the valve body 18 may be curved, but the fixation strength is lowered, so it is desirable to perform machining such as chamfering.

Like the first embodiment, the housing 3 has protruding portions 301 formed on two parallel sides of the side surface, and has a substantially T-shape when viewed from the front.

The configuration of the holder 9 is also the same as that of the first embodiment. That is, the holder 9 is composed of the fixing portion 901, the holder upper inner surface 902, the holder lower inner surface 903, and the upper surface 904.

The separation procedure is the same as that in Embodiment 1. First, the adapter tube 12 is separated from the storage container 5. The handle attaching screw 13 is loosened so that the liquid contact portion 1 is moved in the vertical direction until the projecting portion 301 of the housing 3 is released from the holder upper inner surface 902 and the holder lower inner surface 903 is moved, The liquid-contact portion 1 can be separated from the main body portion 6 by horizontally moving the housing 3 to the front opening side.

The mounting procedure is also the same as that of the first embodiment. The horizontal position of the protruding portion 301 of the housing 3 is set to the position of the lower inner surface 903 of the holder and is pushed inward until it touches the inner surface 903 of the holder lower portion to raise the liquid contact portion 1 vertically The position of the screw hole 303 formed on the side surface of the housing 3 is aligned with the screw hole 905 formed in the side surface of the holder 9 and the handle attaching screw 13 is fastened from the two side surfaces, To the main body part (6).

When the shape of the shaft end 201 and the shape of the connection hole 801 do not agree with the rotation direction when the shaft end 201 is inserted into the connection hole 801, Make sure the surface is aligned.

The present invention can be practiced in various apparatuses for discharging a liquid material. In the embodiments, a screw-type, plunger-type, and jet-type ejection apparatuses are disclosed, but the present invention is not limited thereto.

Claims (8)

A liquid contact portion 1 integrally formed with a nozzle, a reservoir container and a discharge member through a housing, And a main body part (6) having a holding part having a supporting member to which the housing is mounted, and a driving part for operating the discharging member, (1) and the main body part (6) are mounted and detachably attached to and detachable from each other by the connecting member, and the housing and the holding part can be mounted and detached, And a separable liquid material discharge device, The housing is horizontally moved in a state of being supported by the support member and is mounted and separated to the holding portion and the housing is moved up and down in a state of being mounted on the holding portion to mount and separate the discharge member and the drive portion , The liquid contact portion (1) and the body portion (6) can be attached and detached. The method according to claim 1, Wherein the holding portion includes an opening having a space capable of moving up and down in a state where the housing is mounted and moving and lifting the housing in an opening of the holding portion to mount and separate the discharging member and the driving portion, Discharge device. The method according to claim 1, Wherein the support member is a plurality of guide pins extending in the horizontal direction from the main body, Wherein the housing has a plurality of guide holes into which the guide pins are inserted and which have a long hole shape in the vertical direction. 3. The method of claim 2, The housing has a convex portion or a concave portion on a side surface thereof, Wherein the support member is a concave portion or a convex portion which is formed on an inner surface of the opening and is fitted to the convex or concave portion of the housing. 5. The method according to any one of claims 1 to 4, Wherein the end of the discharge member is polygonal, And the connecting member has a polygonal hole through which the end of the discharging member is fitted. 5. The method according to any one of claims 1 to 4, And a fixture (11) for fixing the storage container and the main body portion. 5. The method according to any one of claims 1 to 4, Wherein an extending portion (302) is provided at a rear end (304) of the housing, and a flow path is formed in the inside of the housing (304). 3. The method of claim 2, The housing has projections (301) on two sides of its side, The opening portion has an upper inner surface 902 whose inner portion is formed along the outer periphery of the projecting portion 301 and whose front portion is formed on the convex portion and a lower inner surface 902 adjacent to the lower portion of the upper inner surface 902, And has a lower inner surface 903 immediately ahead of which is formed to have the same width as the protruding portion 301 and a lower portion 903 which is adjacent to a lower portion of the lower inner surface 903 and has a fixing portion 901 And a top surface (904) formed with a cut-in for allowing the discharge member to be inserted therethrough and serving as positioning means in the vertical direction when the housing is mounted, Discharge device.

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