TWI558463B - Liquid material extrusion method and device - Google Patents

Description

Liquid material extrusion method and device

The invention relates to an extrusion method and a device, in particular to a liquid material extrusion method and device for performing viscous liquid material extrusion by a single-drive multi-paste valve.

According to the conventional electronic component processing, the glue material of the viscous material is pressed or packaged into a conventional technique, and the processing process usually adopts a rubber valve for accommodating the viscous liquid material to carry out the liquid material. Extrusion operation, while the dispensing or gluing efficiency of a single valve can be limited. The use of multi-pure valves for liquid extrusion can achieve higher efficiency of liquid application, but the relative adjustment is required. It is quite difficult and complicated for the valve to have the same extrusion conditions. This requirement is common in a large number of homogenous high-quality electronic component liquid processing processes of a single specification, such as LED light-emitting diodes; For the mechanism for liquid material extrusion, it has been known to drill a plurality of plastic chambers on a single valve seat, and the plungers in each plastic chamber are synchronously driven in the plastic chamber for extrusion.

However, the prior art adopts a method of drilling multiple plastic chambers on a single valve seat. Since it is necessary to control the distance between the two central axes of each two plastic chambers on the valve seat, it is necessary to maintain extremely high dimensional accuracy, otherwise the extruded colloidal liquid material will The deviation of the distance is generated. Because the plastic chamber is a narrow hole with extremely deep depth, the precision in the drilling process is extremely difficult to grasp. On the valve seat with eight plastic chambers, if there is only one set of the distance between the two central axes of the two plastic chambers The result is a deviation, and the result will make the entire valve seat scrapped, resulting in huge processing time and cost! And once the dispensing product specifications change, the entire valve seat, including the plastic chamber, is completely unusable, and it is necessary to remanufacture the valve seat including a plurality of plastic chambers, which is time consuming, labor intensive, and costly.

Therefore, an object of the present invention is to provide a liquid material extrusion method for a plurality of plastic chamber synchronous extrusion liquid materials.

Another object of the present invention is to provide a liquid material extrusion apparatus which is easy to process and which changes the size of the dispensing product without reworking the glue chamber.

It is still another object of the present invention to provide an apparatus for carrying out a liquid material extrusion method as described in claims 1 to 5.

The liquid material extrusion method according to the object of the present invention comprises: forming a plurality of glue chambers respectively formed in a plurality of independently separated glue valves, wherein each of the glue chambers is respectively provided with a plunger to extrude the glue liquid; Each of the plurality of valves in the plurality of valves is simultaneously extruded, and each of the valve shafts is synchronously driven by a drive mechanism for glue control.

Another liquid material extrusion method according to the object of the present invention comprises: a valve opening step of synchronously rotating a valve shaft of a plurality of rubber valves by a driving mechanism to cause the respective rubber valves to flow from the storage tube into the flow guiding channel of the plastic chamber The flow of the glue is turned on; in an extrusion step, a plurality of plungers are synchronously driven to extrude the glue in the chamber from the nozzles of the respective valves.

A liquid material extruding device according to another object of the present invention comprises: a plurality of rubber valves each independently disposed on a valve seat, each of the rubber valves being provided with a glue chamber and for extruding the glue liquid from the plastic chamber The plunger and the plungers are collectively driven to rotate up and down for simultaneous extrusion.

Another liquid material extrusion device according to another object of the present invention comprises: a plurality of glue chambers and a plurality of plungers for extruding the glue liquid in the glue chamber, each of the glue chambers being formed in a valve, respectively The valves are separated separately but mounted on the same seat.

Another liquid material extrusion device according to another object of the present invention comprises: a plurality of glue valves having a glue chamber and a plunger for extruding the glue in the glue chamber, the plurality of glue valves being collectively disposed at a valve seat, The plurality of plungers can be synchronously driven to extrude the glue in the glue chamber; the valve seat is provided with a plurality of positioning regions to keep a plurality of valves spaced apart from each other, and each valve is provided with a control for accommodating the glue The valve shaft of the liquid storage tank and the rubber chamber flows, and each valve shaft is synchronously driven by a driving mechanism through each positioning area of the valve seat.

A liquid material extruding apparatus according to still another object of the present invention, comprising: means for performing the liquid material extruding method of the object according to the first to fifth aspects of the patent application.

The liquid material extrusion method and device according to the embodiment of the present invention are formed in separate rubber valves because the rubber chambers are separated independently, and although the plungers are synchronously driven, the rubber valves can be replaced separately, if one of them A valve has an abnormal condition and does not affect other normally actuated valves; and the recessed section formed by the positioning area on the side surface of the valve seat provides that each valve can be accurately positioned on the valve seat, the number of recessed sections, the position, The interval can be changed according to the requirements of the liquid materials of different electronic components, and the change does not affect the structure of the glue chamber itself in the valve, so that the operation of the valve is rich and flexible; in addition, the valve is composed of the upper valve body and the lower valve. The body is composed of detachable and separated for internal cleaning, which makes the cleaning difficulty less difficult to produce a dead angle; and because the valve can be disassembled from the valve seat, the valve can disassemble the upper valve body and the lower valve body. Therefore, the amount of dispensing glue applied to the liquid material can be selected to match the plastic chamber of the appropriate inner diameter.

1‧‧‧Seat

11‧‧‧ Upload seat

111‧‧‧Slide rails

112‧‧‧Upper sensor

113‧‧‧ lower sensor

114‧‧‧ interval

12‧‧‧ download seat

13‧‧‧

131‧‧‧Inductive parts

132‧‧‧Spiral firmware

133‧‧‧ linkages

134‧‧‧ slotted

135‧‧‧ slotted

14‧‧‧ Drives

2‧‧‧ valve seat

21‧‧‧ pivot hole

22‧‧‧Location area

3‧‧‧ valve

31‧‧‧Upper valve body

311‧‧‧ Ventilation holes

312‧‧‧Liquid tank

32‧‧‧ Lower valve body

321‧‧‧receiver

322‧‧‧ valve shaft

323‧‧‧Connector

324‧‧‧ nozzle

325‧‧ ‧ plastic room

326‧‧‧ Guide channel

331‧‧‧ head

4‧‧‧ drive mechanism

41‧‧‧Linear reciprocating mechanism

411‧‧‧second drive

412‧‧‧Cylinder rod

413‧‧‧ Fixed seat

414‧‧‧stops

42‧‧‧Rotary reciprocating mechanism

421‧‧‧Rack

422‧‧‧Axle

423‧‧‧ Gears

424‧‧‧Slide rails

425‧‧‧ key body

The first figure is a schematic perspective view of a liquid material extrusion apparatus in an embodiment of the present invention.

The second drawing is a schematic view of the front side of the liquid material extrusion apparatus in the embodiment of the present invention.

The third drawing is a schematic view of the rear side of the liquid material extrusion apparatus in the embodiment of the present invention.

The fourth figure is a perspective exploded view of the liquid material extrusion device in the embodiment of the present invention.

The fifth figure is an exploded perspective view of the valve shaft of the rubber valve and the wheel axle of the gear in the embodiment of the present invention.

The sixth figure is a schematic diagram of the combined relationship between the rubber valve, the valve seat and the linking member in the embodiment of the present invention.

The seventh drawing is a schematic view of a rubber valve in an embodiment of the present invention.

The eighth figure is a schematic view of the A-A section in the second figure.

Referring to the first and second figures, the liquid material extrusion method and apparatus according to the embodiment of the present invention can be exemplified by the liquid material extrusion device shown in the figure. In the embodiment, the term "dispensing" can cover, for example, smearing or coating. The liquid material, such as glue, comprises: a carrier 1, comprising: an upper loading seat 11 and a downloading seat 12 located below, the two are fixedly coupled; the front side of the loading base 11 is provided with two groups. Z-axis slide rails 111 spaced apart from each other; a lifting seat 13 is disposed on the slide rail 111 and can be driven by a driving member 14 such as a motor on the loading base 11, and a Z-axis on the sliding rail 111 Upward and downward displacement, the upper seat 11 and the lower sensor 113 are respectively disposed on the upper and lower sides of the upper seat 11, so that a sensing member 131 on the lifting seat 13 is sensed to obtain the upper and lower limits of the displacement of the lifting seat 13. A valve seat 2 is fixed on the front side of the download base 12 of the carrier 1, and a plurality of glue valves 3 are fixedly arranged at a distance from each other in the X-axis direction.

Referring to the third figure, a driving mechanism 4 is disposed on the rear side of the download base 12, and the loading base 11 is recessed with a section 114. The driving mechanism 4 includes: a linear reciprocating mechanism 41 and a rotating reciprocating mechanism 42. The linear reciprocating mechanism 41 includes a second driving member 411 formed by a pneumatic cylinder, which is fixed to the downloading seat 12, and the end of the cylinder rod 412 which is X-axially displaced is coupled and drives a fixing base 413. The fixing base 413 The displacement is blocked by a stop 414 on the rear download base 12; the rotary reciprocating mechanism 42 includes an X-axis rack 421 fixed to and coupled to the fixed seat 412 of the linear reciprocating mechanism 41, below The plurality of gears 423 are disposed on the download base 12 and are disposed on the download base 12 (shown in FIG. 8).

Referring to the fourth and fifth figures, the axle 422 is pivoted on the download base 12 and protrudes from the front side of the download base 12 while passing through a pivot hole 21 of the valve seat 2, the valve seat 2 is juxtaposed at intervals and the upper end is closed at the lower end. a plurality of positioning zones 22 formed by the open recessed sections for the plurality of glue valves 3 to be respectively embedded The setting position is such that the valves 3 are kept at a predetermined interval from each other, the pivot hole 21 is located in the positioning area 22, and the wheel shaft 422 passes through the upper hole 21 of the valve seat 2 and has a slightly rectangular key body at the front end. 425 is interlocked with a slightly rectangular recessed recess 322 at the end of the valve shaft 321 at the rear of the valve 3; the plurality of valves 3 are mounted on the same valve seat 2, and the valve 3 is in the valve seat 2. The positioning of the positioning area 22 constitutes a specification for the size of the particular liquid material cropping part. Once the crop parts to be applied are changed, only the valve seat 2 having the different spacing positioning areas 22 needs to be replaced, including the respective rubber valve 3 and the driving. The positioning of the axle 422 of the gear 423 in the mechanism 4 in the valve seat 2 is changed. Therefore, the dispensing size and configuration change of the dispensing product are determined only by the valve seat 2; the two ends of the lifting seat 13 are respectively provided with a screw 132. A linkage member 133 is fixedly disposed below, please refer to the sixth figure. The linkage member 133 is provided with a plurality of U-shaped recessed grooves 134 corresponding to the number of the valves 3 at intervals, and the head portion of the rubber valve 3 is formed into a head portion 331. The plunger 33 is embedded therein, and the portion where the screw 132 is fixed at both ends of the linking member 133 is also a U-shaped recess 135; each column 33 and put together by the interlocking seat 13 interlocking member 133 up and down synchronous displacement extrusion.

Referring to the seventh and eighth figures, the valve 3 is composed of an upper valve body 31 and a lower valve body 32. Each of the rubber valves 3 is provided with a plunger 33 for extruding the glue, and the plunger 33 is in the Z-axis direction. The valve shaft 321 is pivotally disposed perpendicularly to the plunger 33 in the Y-axis direction and is disposed in the lower valve body 32. The valve shaft 321 side of the lower valve body 32 is provided with a joint 322. A reservoir 323 for accommodating the glue is connected, and a nozzle 324 is disposed on the other lower end side. The plunger 33 forms a glue chamber 325 between the space displaced by the valve 3 and the nozzle 324. The valve shaft 321 shaft The outer circumference of the outer diameter is provided with a flow guiding channel 326 for guiding the glue liquid to flow into the plastic chamber 325 from the storage cylinder 323. The valve shafts 321 are synchronously driven by the driving mechanism 4 via the positioning regions 22 of the valve seat 2, and the valve shaft 321 is used. Rotating to form a turn-on or turn-off of the flow of the glue, and after the glue is introduced into the glue chamber 325, the glue in the glue chamber 325 is squeezed out from the nozzle 324 by the upper and lower sides of the plunger 33; The valve body 31 is provided with a venting hole 311 and a liquid receiving groove 312. The venting hole 311 can be used for escaping when the plunger 33 is displaced up and down, and the liquid holding groove 312 can receive the overflowing glue when escaping.

The glue chamber 325 in the embodiment of the present invention is not disposed in the valve seat 2, but is made up of a plurality of The glue chambers 325 are respectively disposed in a separate glue valve 3, and the plurality of glue chambers 325 are respectively disposed in a plurality of independent glue valves 3, and the glue liquid in each glue valve 3 flows from a storage cylinder 323. The glue chamber 325 is disposed on the side of a valve seat 2 via a guide 326 on a valve shaft 321 , and the drive mechanism 4 driving the valve shaft 321 is located on the other side of the valve seat 2 The driving mechanism 4 is driven from the valve seat 2 side to the other side of the valve 3 to control whether the glue passes through the guide passage 326 on the valve shaft 321 , and the drive shaft of the valve shaft 321 is executed by the linear reciprocating mechanism 41 . The reciprocating linear motion, and then the rotary reciprocating mechanism 42 performs a synchronous reciprocating rotational motion of the reciprocating linear motion to the gears 321 of the respective gears 423, so that the valve shafts 321 control the valves 3 to flow from the cartridge 323 into the chamber 325. The deflector 326 is opened and closed.

The liquid material extrusion method of the embodiment of the present invention comprises: a valve opening step, driving the rotary reciprocating mechanism 42 by the linear reciprocating mechanism 41, so that the valve shafts 321 of the rubber valves 3 are synchronously rotated, so that the rubber valves 3 are from the storage cylinder The flow guiding channel 326 flowing into the plastic chamber 325 is electrically connected to the flow of the glue; in an extrusion step, the driving member 14 drives the lifting seat 13 to synchronously drive the plungers 33 to squeeze the glue in the plastic chamber 325 from the nozzle 324. Out.

The liquid material extrusion method and device according to the embodiment of the present invention are formed in the separate glue valves 3 because the glue chambers 325 are separated independently. Although the plungers 33 are synchronously driven, the rubber valves 3 can be replaced separately. If one of the valves 3 has an abnormal condition, it does not affect other normally actuated valves 3; and the recessed section 22 on the side surface of the valve seat 2 provides that each valve 3 can be accurately positioned on the valve seat 2, recessed The number, position and interval of the interval 22 can be changed according to the requirements of the liquid materials of different electronic components, and the change does not affect the structure of the glue chamber 325 itself in the valve 3, so that the operation of the valve 3 is rich and flexible; The valve 3 is composed of an upper valve body 31 and a lower valve body 32, which can be disassembled and separated for internal cleaning, so that the cleaning difficulty is reduced and the dead angle is not easily generated; and the valve 3 can be disassembled from the valve seat 2, and the glue is removed. The valve 3 can disassemble the upper valve body 31 and the lower valve body 32, so that the amount of dispensing glue applied to the liquid material can be selected to match the plastic chamber 325 of the appropriate inner diameter.

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.

1‧‧‧Seat

11‧‧‧ Upload seat

111‧‧‧Slide rails

112‧‧‧Upper sensor

113‧‧‧ lower sensor

12‧‧‧ download seat

13‧‧‧

131‧‧‧Inductive parts

14‧‧‧ Drives

2‧‧‧ valve seat

3‧‧‧ valve

Claims (21)

A liquid material extrusion method comprises: forming a plurality of glue chambers respectively formed in a plurality of independently separated glue valves, each of the glue chambers being respectively provided with a plunger to extrude the glue liquid; and each of the glue valves is respectively passed through a valve The guide channel on the shaft controls the flow of the glue; the plungers of the plurality of valves are simultaneously extruded, and the valve shafts are synchronously driven by a drive mechanism for glue control. A liquid material extrusion method comprises: a valve opening step, wherein a valve mechanism synchronously rotates a plurality of rubber valves by a driving mechanism, so that the flow channels of the rubber valves from the storage cylinder flowing into the plastic chamber form a flow of glue; Conduction; an extrusion step, synchronously driving a plurality of plungers to squeeze the glue in the chamber from the nozzles of the respective valves. The liquid material extrusion method according to any one of claims 1 to 2, wherein the plurality of rubber valves are installed on the same valve seat, and the dispensing size and configuration change of the dispensing product are determined by the valve seat. The liquid material extrusion method according to any one of claims 1 to 2, wherein the plurality of rubber valves are disposed on one side of a valve seat, and the driving mechanism for driving the valve shaft is located on the other side of the valve seat. The liquid material extrusion method according to any one of claims 1 to 2, wherein the drive shaft of the valve shaft performs a reciprocating linear motion by a linear reciprocating mechanism, and then performs a reciprocating linear motion by a rotary reciprocating mechanism. Converted to a reciprocating rotary motion of the valve shaft. A liquid material extrusion device comprises: a plurality of rubber valves independently arranged on a valve seat, each rubber valve is provided with a glue chamber and a plunger for extruding the glue liquid from the glue chamber, each plunger The drive is synchronously driven up and down for extrusion. A liquid material extruding device comprises: a plurality of plastic chambers and a plurality of plungers for extruding the glue liquid in the plastic chamber, wherein each of the rubber chambers is formed in a rubber valve, and each rubber valve is separately separated but installed. At the same valve seat. The liquid material extrusion device according to any one of claims 6 to 7, wherein the valve seat is provided with a positioning area spaced apart from each other, and each positioning area forms a concave section. The liquid material extrusion device of claim 8, wherein the recessed section is provided with a pivot hole, and a driving mechanism passes through a pivot hole of the valve seat with a wheel axle, and a front end key body and a rubber valve The concave recessed groove at the end of the rear side of the valve shaft is embedded to form a linkage, and the valve shaft controls the glue to flow into the plastic chamber. The liquid material extrusion device according to any one of claims 6 to 7, wherein a valve shaft is disposed between the storage cylinder for holding the glue liquid and the plastic chamber, and the valve shaft is provided with a guide. The glue flows from the reservoir into the flow channel of the glue chamber. The liquid material extrusion device according to claim 10, wherein the valve shafts of the plurality of valves are synchronously driven by a driving mechanism. A liquid material extrusion device comprises: a plurality of glue valves having a glue chamber and a plunger for extruding glue in the glue chamber, the plurality of glue valves being jointly disposed on a valve seat, wherein the plurality of plungers can be synchronized The driving is performed to extrude the glue in the plastic chamber; the valve seat is provided with a plurality of positioning regions to keep a plurality of rubber valves spaced apart from each other, and each rubber valve is provided with a glue between the storage cylinder and the plastic chamber for controlling the glue liquid. The valve shaft of the liquid flow, each valve shaft is synchronously driven by a driving mechanism through each positioning area of the valve seat. The liquid material extrusion device according to claim 12, wherein the rubber valve is composed of an upper valve body and a lower valve body, the plunger is pivotally disposed in the upper valve body, and the valve shaft is disposed in the lower valve body . The liquid material extrusion device of claim 12, wherein the driving mechanism comprises: a linear reciprocating mechanism and a rotating reciprocating mechanism. The liquid material extrusion device of claim 14, wherein the linear reciprocating mechanism comprises a second driving member that couples and drives a fixing seat, and the displacement of the fixing seat is blocked by a stopper. The liquid material extrusion device according to claim 14, wherein the rotary reciprocating mechanism comprises a rack fixed to the fixed seat of the linear reciprocating mechanism and coupled thereto, and a rack disposed on a slide rail is engaged The plurality of gears are disposed at intervals and each of which is pivoted to the carrier, and the axle is interlocked with the valve shaft of the valve. The liquid material extrusion device according to any one of the preceding claims, wherein the valve seat is fixed to a carrier, the slide rail is provided, and a lifting seat is disposed on the sliding rail. It can be driven by the drive member, and the upper and lower displacements on the slide rail drive the plungers together. The liquid material extrusion device according to claim 17, wherein the carrier comprises: an upper loading seat and a lower downloading seat, and the two are fixedly coupled. The liquid material extrusion device according to claim 17, wherein the lifting seat is provided with a linking member, and the connecting member is provided with a plurality of fitting grooves corresponding to the number of the valves at intervals, and the column for the rubber valve is provided. The plug is embedded in it. The liquid material extrusion device according to any one of claims 6, wherein the valve is provided with a vent hole and a liquid reservoir. A liquid material extrusion apparatus comprising: means for performing the liquid material extrusion method according to any one of claims 1 to 5.