TWI572414B - Stroke fine - tuning method and construction of liquid material extrusion device - Google Patents

Description

Trip fine adjustment method and structure of liquid material extrusion device

The invention relates to a method and a device for finely adjusting a stroke, in particular to a method and a structure for finely adjusting the stroke of a liquid material extrusion device for finely adjusting an extrusion stroke of an extrusion member in a liquid material extrusion device.

Generally, electronic components often need to be adhered or encapsulated by an adhesive material, such as an IC chip package; such a viscous material usually needs to be squeezed by a liquid extrusion device to squeeze the liquid material of the viscous material. Such a liquid material extrusion device is, for example, a M494649 "liquid material extrusion device" patent, which proposes a drive mechanism comprising an impact member that is repeatedly displaced upward and downward; a plunger mechanism provided The extruded member impacted by the impact member, the extruded member extends into a liquid chamber, and when the impact member is reset upward, the extruded member is also reset by an elastic member; the extruded member is provided with a pivot portion, the pivot portion The second end of the plunger hole is provided with a positioning portion having a smaller shaft diameter than the pivot portion, and a first limiting portion is formed at a difference from the pivot portion; and a second fine adjustment mechanism includes a limiting member And an adjusting seat; the limiting member is provided with a hollow impact chamber, and a bottom portion of the impact chamber is provided with a central portion for limiting the impact chamber, and a thread outside the outer periphery; the neck portion is formed One aperture is smaller than the impact chamber aperture a shaft hole, the positioning portion of the extrusion member protrudes through the shaft hole and protrudes into the impact chamber, and contacts and impacts the bottom end of the impact member of the driving mechanism in the impact chamber, and the extruded member The first limiting portion is configured to keep the upper top portion in contact with the lower portion of the neck portion due to the action of the elastic member on the pressing member, so as to limit the upper limit positioning of the displacement of the extruding member; a plurality of holes, wherein the limiting member is slidably inserted by the tool; the adjusting seat is provided with a screwing portion, and is provided with an internal thread screwed to the outer circumference of the outer periphery of the limiting member, and a plurality of positioning a setting unit composed of components, The positioning position of the limiting member on the adjusting seat is set, and the adjusting seat is seated on the periphery of the fine adjustment chamber of the plunger seat, and the screwing portion located in the fine adjustment chamber is screwed on the limiting portion of the screw rotating portion Suspended at a height above the bottom of the trimming chamber, the height of the spacing provides a displacement space for the upper and lower adjustments of the restraining member.

In the prior art, in the stroke adjustment of the upper and lower displacement of the extrusion member, the first limiting portion of the extrusion member is used to contact the lower portion of the bottom portion of the impact chamber at the bottom of the impact member, and the tool is embedded in the restriction tube. The through hole of the ring row on the wall performs a rotation restricting member, so that the restricting member is screwed by the screw rotating portion of the adjusting seat, and the screwing condition of the pressing member under the neck of the restricting member is changed, and the pressing member is changed accordingly. The length of the stroke of the lower displacement, and after the adjustment, the positioning component of the setting portion of the adjusting seat is used to set the positioning of the limiting member on the adjusting seat; since the positioning of the limiting member in the screwing portion of the adjusting seat is completely rotated, the positioning component is completely The screw abuts the upper surface of the limiting member and the screwing portion of the adjusting seat. Since the positioning component itself is a member of the plastic screw containing the positioning bead, the screw is embedded only by the front end positioning bead against the circumferential surface of the limiting member. In the impact and vibration of the extruded member at a high frequency, the restriction member is easily displaced and displaced, which causes the length of the upper and lower displacement strokes of the originally set extrusion member to change, which affects the extrusion amount of the viscous material.

Accordingly, it is an object of the present invention to provide a method for fine-tuning the stroke of a liquid material extrusion apparatus which allows a more stable positioning of the extruded member after the fine adjustment of the extrusion stroke.

Another object of the present invention is to provide a stroke fine adjustment structure for a liquid material extrusion apparatus which can position the extrusion of the extruded member after the fine adjustment.

It is still another object of the present invention to provide a configuration of a stroke fine adjustment method of a liquid material extrusion apparatus according to the first to fourth aspects of the patent application.

A method for fine-tuning the stroke of a liquid material extrusion apparatus according to the object of the present invention, comprising: One end can be impacted by an impact member, and the other end can be extended into a liquid chamber to extrude the liquid material from a nozzle, and the extrusion stroke is finely adjusted by a limiting member; A fixing seat is arranged on a plunger seat of the extrusion member, so that the limiting member is rotatably disposed on the fixing seat, and is abutted by a movable displacement positioning member, and the positioning member is separated from the limiting member by operation The first connecting member and the second connecting member having a diameter between the first connecting member and the second connecting member abut against the restricting member, and the restricting member is received by the abutting portion of the outer circumferential surface The positioning member abuts and the rotation of the restriction member is blocked.

A method for finely adjusting the stroke of another liquid material extrusion device according to the present invention includes: an extrusion member disposed in a plunger holder, one end of which can be contacted and impacted by an impact member, and the other end can be extended into a liquid chamber The liquid material therein is extruded from a valve mouth, and the extrusion stroke is finely adjusted by a limiting member; a fixing seat is detachably and fixedly disposed on the plunger seat, and a screw hole is provided, the limiting member a screwing portion is rotatably screwed on the screw hole of the fixing seat; a positioning member is disposed on a side of the limiting member on the plunger seat, and the movable member of the positioning member is driven to move under the screw portion of the limiting member Abutting, the restraining member is abutted by the positioning member with an engaging portion provided with an outer circumferential surface below the screw portion, so that the rotation of the restricting member is blocked.

The fine-tuning structure of the liquid material extrusion device according to another object of the present invention comprises: an extrusion member disposed in a plunger holder, one end of which can be contacted and impacted by an impact member, and the other end can be extended into a liquid chamber. The liquid material therein is extruded from a valve mouth, and the extrusion stroke is finely adjusted by a limiting member; a fixing seat is disposed on the plunger seat, and a screw hole is arranged, and a bearing portion is arranged below the screw hole The limiting member is rotatably disposed on the screw hole of the fixing seat; a positioning member is disposed on a side of the limiting member on the plunger seat and located under the screw hole, and is provided with an argon a pressing portion, the movable member is movably displaced to abut against the restricting member, and the retaining member is abutted by the positioning member with an engaging portion provided with an outer circumferential surface below the screw portion, thereby The rotation of the restriction is blocked.

Another fine-tuning structure of a liquid material extrusion device according to another object of the present invention comprises: an extrusion member disposed in a plunger holder, one end of which can be contacted and impacted by an impact member, and the other end can be extended into a liquid The liquid material in the chamber is extruded from a valve mouth, and the extrusion stroke is finely adjusted by a limiting member; a fixing seat is disposed on the plunger seat, and a screw hole is provided, and the limiting member has a screw The positioning portion is rotatably disposed on the screw hole of the fixing base; a positioning member is disposed on a side of the limiting member on the plunger seat, and is provided with a pressing portion, and the positioning member and the fixing seat are spaced apart from each other, and A first connecting member and a second connecting member are coupled to the fixing base, and the movable connecting portion is driven by the first connecting member and the second connecting member to abut against the limiting member, and the rotation of the limiting member is blocked. .

The stroke fine adjustment structure of the liquid material extruding apparatus according to still another object of the present invention comprises: a configuration for performing a stroke fine adjustment method of the liquid material extruding apparatus according to the first to fourth aspects of the patent application.

The method and the structure for adjusting the stroke of the liquid material extrusion device according to the embodiment of the present invention, because the fixing portion B3 and the positioning member B5 are sandwiched by the curved surface of the bearing portion B33 and the pressing portion B51, respectively, the abutting portion of the limiting member B4 B45, for the fine adjustment positioning of the limiting member B4, so that the surface resisting member has a large clamping force application area, and the anti-limiting member B4 has an improved ability to offset the friction force due to high-frequency vibration; on the other hand, due to the positioning member B5 adopts the first connecting member B522 to be screwed and the second connecting member B532 is elastically adjustable, so that the positioning member B5 is brought into close contact with the limiting member B4 by the receiving portion B33, but the second connecting member B532 is applied. The force is maintained at a tightness that does not cause damage, and only needs to be loosely and tightly adjusted by the second link B532 during fine adjustment, which is simple and convenient.

A‧‧‧ Impact Mechanism

A1‧‧‧ Impact member

B‧‧‧Plunger mechanism

B1‧‧‧ plunger seat

B11‧‧‧ pivot hole

B12‧‧‧Locating pin

B2‧‧‧Extrusion members

B21‧‧‧Pivot Department

B22‧‧‧ Positioning Department

B23‧‧‧Limited Department

B24‧‧‧First elastic element

B3‧‧‧ Fixed seat

B31‧‧‧ screw hole

B32‧‧‧Support Department

B33‧‧‧Responsible Department

B34‧‧‧Fixed Department

B35‧‧‧ embedded interval

B4‧‧‧Restrictions

B41‧‧‧impact chamber

B42‧‧‧ neck

B43‧‧‧ hole

B44‧‧‧Spiral Department

B45‧‧‧Inset

B5‧‧‧ positioning parts

B51‧‧‧Resistance Department

B52‧‧‧First Positioning Department

B521‧‧‧First pivot hole

B522‧‧‧First link

B53‧‧‧Second Division

B531‧‧‧Second pivot hole

B532‧‧‧Second link

B533‧‧‧Second elastic element

B534‧‧‧前孔道

B535‧‧‧After the tunnel

B536‧‧‧Snail neck

C‧‧‧ liquid chamber module

C1‧‧‧ liquid room

C2‧‧‧ valve mouth

1 is a schematic perspective view of an embodiment of a liquid material extrusion apparatus applied in an embodiment of the present invention.

2 is a schematic cross-sectional view showing an embodiment of a liquid material extrusion apparatus to which the embodiment of the present invention is applied.

3 is a perspective view showing a plunger mechanism and a liquid chamber module of a liquid material extrusion device according to an embodiment of the present invention.

4 is a perspective exploded view of an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view showing a plunger mechanism of a liquid material extrusion apparatus according to an embodiment of the present invention.

Figure 6 is a schematic cross-sectional view taken along line X-X of Figure 5.

1 and 2, a method and a device for finely adjusting the stroke of a liquid material extrusion device according to an embodiment of the present invention can be used in the liquid material extrusion device shown in the drawings, and the liquid material is extruded as an example. The device includes: an impact mechanism A, an impact member A1 that can be driven to perform upper and lower displacement reciprocating displacement; a plunger mechanism B, a plunger holder B1, and an extrusion member B2 disposed in the plunger holder B1. One end of the impact member A1 is in contact with the impact member A1; the extrusion member B2 is provided with a pivot portion B21 disposed in the pivot hole B11 of the plunger holder B1, and the upper end is provided with a shaft diameter and a pivot portion. The B21 small positioning portion B22 forms a limiting portion B23 at a difference from the pivot portion, and a first elastic member B24 formed by a spring is disposed under the pivot portion B21. The extruded member B2 is provided by the impact member A1. The restoring force of the contact impact; the plunger base B1 is provided with a detachable and fixed fixing base B3, and a screw hole B31 having an internal thread is arranged thereon; a limiting member B4 has a cylindrical shape and a hollow inner portion Impact chamber B41, and is provided at the bottom of the impact chamber B41 toward the center to limit the impact chamber B41 The neck portion B42 of the constricted portion B4 is provided with a plurality of insertion holes B43 in the ring row on the wall of the restricting member B4; a positioning member B5 is disposed on the side of the restricting member B4 on the plunger seat B1 and movable displacement; The chamber module C is provided with a liquid chamber C1 for accommodating the liquid material, and a valve mouth C2 for discharging the liquid material is disposed below the liquid chamber C1; the other end of the extrusion member B2 is inserted into a liquid chamber C1 to be therein. The liquid material is extruded from the valve tip C2.

Referring to FIGS. 3 and 4, the fixing base B3 includes: a receiving portion B32 disposed horizontally above and configured to form the screw hole B31, and a side of the receiving portion B32 for screwing on the plunger seat B1. And a fixing portion B34 positioned by the two positioning pins B12 of the plunger base B1; the fixing base B3 is provided with a bearing portion B33, which is a curved portion disposed on the periphery of the arc diameter of the fixing portion B34 below the screw hole B31. The rim of the fixing portion B34 is larger than the thickness of the receiving portion B32, so that the thickness difference constitutes a hollowed-in embedded portion B35 below the receiving portion B32; and a snail is disposed below the embedded hole B43 of the limiting member B4. The portion B44 is configured to be screwed into the screw hole B31 of the fixing base B3. The screw portion B44 is provided with a smooth outer circumferential surface of the engaging portion B45, and the arc of the curved edge of the bearing portion B33 The diameter is smaller than the inner diameter of the screw hole B31, but is equivalent to the circular diameter of the fitting portion B45 of the limiting member B4; the positioning member B5 is located below the screwing portion of the limiting portion B44 of the limiting member B4 and the fixing seat B3. The side is provided with a concave semi-circular concave pressing portion B51 corresponding to the bearing portion B33 of the fixing base B3, and the bearing portion B33 The arc of the shape of the ring rim has a circular diameter corresponding to the indented portion B45 of the limiting member B4; the two sides of the arcuate pressing portion B51 of the positioning member B5 are respectively provided with a recessed shoulder shape spaced apart from each other The positioning portion B52 and the second positioning portion B53 are spaced apart from each other by a width greater than the width of the arc-shaped concave portion B51. The first positioning portion B52 is provided with a first pivot hole B521, wherein the first connection is formed by a bolt. The second positioning portion B53 is provided with a second pivot hole B531, wherein a second connecting member B532 is formed by a bolt, and the second connecting member B532 is sleeved with a second elastic member B533 formed by a compression spring.

Referring to FIGS. 5 and 6, after the fixing base B3 is fixed on the plunger seat B1, when the screwing portion B44 of the limiting member B4 is screwed into the screw hole B31, the fitting portion B45 is located at the fixing base B3. The bearing portion B33 of the curved rim is interposed between the arc-shaped pressing portion B51 of the positioning member B5; the front opening 534 including the second elastic member B533 is formed in the second pivot hole B531, and the second pivot hole is formed in the second pivot hole B531. The B531 is axially located on the rear side of the front tunnel 534, and the front tunnel 534 and the rear tunnel 535 are provided with a bundle of screw necks 536 which are only internally threaded by a few screws; the positioning member B5 The first link B522 is pivoted to the first pivot hole B521 of the first positioning portion B52 and is fixed to the fixing portion B34 of the fixed seat B3. The second link B532 is located at the second pivot hole B531 of the second positioning portion B53. The first snail is screwed into the fixing portion B34 of the fixing base B3 via the screw neck 536 which is only screwed into the thread of the screw, so that the second elastic member B533 is accommodated in the front opening 534. When the second link member B532 is mistakenly screwed out of the fixing portion B34, the second link member B532 can be blocked by the bundled screw neck portion 536 without being completely ejected due to the restoring force of the second elastic member B533. Two pivot holes B531: wherein the first connecting member B522 and the second connecting member B532 are separated from each other by more than the diameter of the limiting member B4, so that the pressing portion B51 between the first connecting member B522 and the second connecting member B532 is The arc-shaped inwardly facing portion B45 of the limiting member B4 abuts, and the rotation of the screwing portion B44 of the limiting member B4 in the screw hole B31 is blocked, and on the other hand, the curved edge of the bearing portion B33 The arc diameter forms a circular diameter corresponding to the indented portion B45 of the restricting member B4, and the center of the circle is at the same axis as the center of the restricting member B4. The portion B51 abuts against the fitting portion B45 of the restricting member B4, and corresponds to the pressing portion B51 and the bearing portion B33 sandwiching the restricting member B4 on both sides of the diameter of the fitting portion B45, so that the rotation preventing effect is better; The second connecting member B532 is pivotally sleeved with the second elastic member B533. Therefore, the first connecting member B522 is screwed and then screwed to a positioning manner, and the second connecting member B532 is used for the second connecting member B532. The two elastic members B533 maintain the elasticity at the time of screwing, and avoid damage to the hollow cylindrical restricting member B4, and the one end is fixed, and the other end is screwed tightly, and is pressed during positioning. The portion B51 and the limiting member B4 have a relatively slight sliding displacement of the arcuate surface of the inwardly abutting portion B45, and then the beam abuts against the arcuate surface of the indented portion B45; each time the fine adjustment is performed, the wall of the limiting member B4 is closed. After the upper fitting hole B43 is finely adjusted, the elastic pressing force can be applied through the second connecting member B532 to cause the restricting member B4 to be clamped and positioned, so that the neck portion B42 of the restricting member B4 is made on the limiting portion B23 of the extruding member B2. The shift limit is fixed, and the stroke of the extruded member B2 is finely adjusted.

The method and structure of the stroke fine adjustment of the liquid material extrusion device according to the embodiment of the present invention The fixing seat B3 and the positioning member B5 are clamped together with the arcuate surface of the pressing portion B33 and the pressing portion B51 against the fitting portion B45 of the limiting member B4 to perform fine adjustment positioning of the limiting member B4, so that the surface contact is large. Under the force-applying area, the resistance of the anti-limiting member B4 due to the high-frequency vibration is improved; on the other hand, since the positioning member B5 is screwed by the first connecting member B522, the second connecting member B532 is elastically adjustable. The design is such that the positioning member B5 is abutting against the limiting member B4 by the bearing portion B33 as a rigid body direct contact, but the second connecting member B532 is biased to maintain a tightness that does not cause damage, and only needs to be fine-tuned. When the second connecting member B532 is used for loose and tight adjustment, it is simple and convenient.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

B1‧‧‧ plunger seat

B12‧‧‧Locating pin

B3‧‧‧ Fixed seat

B31‧‧‧ screw hole

B32‧‧‧Support Department

B33‧‧‧Responsible Department

B34‧‧‧Fixed Department

B35‧‧‧ embedded interval

B4‧‧‧Restrictions

B43‧‧‧ hole

B44‧‧‧Spiral Department

B45‧‧‧Inset

B5‧‧‧ positioning parts

B51‧‧‧Resistance Department

B52‧‧‧First Positioning Department

B521‧‧‧First pivot hole

B522‧‧‧First link

B53‧‧‧Second Division

B531‧‧‧Second pivot hole

B532‧‧‧Second link

B533‧‧‧Second elastic element

Claims (14)

A method for finely adjusting the stroke of a liquid material extrusion device, comprising: an extrusion member which can be in contact with an impact member at one end, and the other end can be extended into a liquid chamber to extrude the liquid material therein from a valve nozzle, The extrusion stroke is finely adjusted by a limiting member; the utility model is characterized in that: a fixing seat is arranged on a plunger seat for accommodating the extrusion member, so that the limiting member is rotatably disposed on the fixing seat, and is subjected to The locating member that performs the displacement of the movable member abuts against the first connecting member and the second connecting member that are separated from each other by the distance between the diameters of the limiting members, so that a pressing portion between the first connecting member and the second connecting member is oriented The restricting member abuts, and the restricting member is abutted against the positioning member by the engaging portion of the outer circumferential surface, and the rotation of the restricting member is blocked. The method of fine-tuning the liquid material extrusion device according to the first aspect of the invention, wherein the first connecting member is screwed to a positioning manner, and the second connecting member is borrowed by a second elastic The element maintains its elasticity when it is screwed. The method of fine-tuning the liquid material extrusion device according to the first aspect of the invention, wherein the positioning member is provided with a pressing portion that is in surface contact with the limiting member in an arc shape. The method of fine-tuning the liquid material extrusion device according to claim 1, wherein the positioning member is provided with a pressing portion, and the limiting member is provided with an embedding portion, and the pressing portion is embedded during the positioning. The portion is relatively slightly sliding and then clamped against the surface of the indented portion. A fine-tuning structure of a liquid material extrusion device comprises: an extrusion member disposed in a plunger seat, one end of which can be contacted and impacted by an impact member, and the other end can be extended into a liquid chamber to be in the liquid material therein Extrusion from a valve mouth, the extrusion stroke is finely adjusted by a limiting member; characterized in that: a fixing seat is detachably and fixedly disposed on the plunger seat, and is provided with a screw hole, the limiting member is The screwing portion is rotatably screwed on the screw hole of the fixing base; a positioning member is disposed on a side of the limiting member on the plunger seat, and the movable member of the positioning member is driven to abut against the screwing portion of the limiting member, and the limiting member is disposed outside the screwing portion. The indentation of the circumferential surface is abutted by the positioning member, and the rotation of the restriction member is blocked. The stroke fine adjustment structure of the liquid material extruding device according to claim 5, wherein the fitting portion of the restricting member is a smooth outer circumferential surface. The fine adjustment structure of the liquid material extrusion device according to claim 5, wherein the positioning member is disposed under the screw hole of the fixing seat. The fine-tuning structure of the liquid material extrusion device according to claim 5, wherein the fixing seat is provided with an arcuate rim bearing portion, and the positioning member is provided with an arc-shaped concave portion, the limitation The piece is provided with a circumferential surface of the abutting portion, and the pressing portion corresponds to the bearing portion of the fixing seat, and forms an arc diameter with the arcuate rim of the bearing portion to be equivalent to the fitting portion of the limiting member. Round diameter. The fine adjustment structure of the liquid material extruding device according to claim 5, wherein the fixing base comprises: a receiving portion horizontally disposed above and configured to form the screw hole, and a side of the receiving portion a fixing portion for screwing on the plunger seat; the fixing seat is provided with a bearing portion, which is an arc-shaped rim disposed at a periphery of the arc diameter of the fixing portion under the screw hole; the thickness of the fixing portion The thickness difference is greater than the thickness of the receiving portion, so that the thickness difference constitutes an underlaid section below the receiving portion; the positioning member is disposed in the hollowed-in section. The fine adjustment structure of the liquid material extrusion device according to claim 5, wherein the positioning member and the fixing seat are spaced apart, and the positioning member is driven by a first connecting member and a second connecting member, and an arc is used. The concave pressing portion abuts against the restricting member. The stroke fine adjustment structure of the liquid material extruding device according to claim 10, wherein the second connecting member is sleeved with a second elastic member. A fine-tuning structure of a liquid material extrusion device, comprising: An extrusion member is disposed in a plunger seat, one end of which can be contacted and impacted by an impact member, and the other end can be extended into a liquid chamber to extrude the liquid material therein from a valve nozzle, and the extrusion stroke is subjected to a The fixing member is finely adjusted; the fixing member is disposed on the plunger seat, and is provided with a screw hole, and a bearing portion is disposed under the screw hole, and the limiting member is rotatably disposed on the screw portion a positioning member is disposed on a side of the limiting member on the plunger seat and located under the screw hole, and is provided with a pressing portion, and the positioning member is movable and displaced to be pressed Abutting against the restricting member, the retaining portion provided with an outer circumferential surface under the screw portion is abutted by the positioning member, and the rotation of the restricting member is blocked. A fine-tuning structure of a liquid material extrusion device comprises: an extrusion member disposed in a plunger seat, one end of which can be contacted and impacted by an impact member, and the other end can be extended into a liquid chamber to be in the liquid material therein Extrusion from a valve nozzle, the extrusion stroke is finely adjusted by a limiting member; characterized in that: a fixing seat is disposed on the plunger seat, and is provided with a screw hole, the limiting member is rotatable by a screwing portion The grounding member is disposed on the screw hole of the fixing base; a positioning member is disposed on a side of the limiting member on the plunger seat, and is provided with a pressing portion, the positioning member and the fixing seat are kept at a distance, and a first connection is The second connecting member is coupled to the fixing base, and the movable connecting portion is driven by the first connecting member and the second connecting member to abut against the restricting member, and the rotation of the restricting member is blocked. A stroke fine adjustment structure of a liquid material extrusion apparatus, comprising: a structure for performing a stroke fine adjustment method of a liquid material extrusion apparatus according to the first to fourth aspects of the patent application.