TW202041285A - Liquid chamber module of liquid material squeezing device including a heating mechanism and a liquid chamber mechanism - Google Patents

Abstract

The present invention provides a liquid chamber module of a liquid material squeezing device, which includes: a heating mechanism provided with a casing, wherein the casing is provided with a heat conducting mold having a first chamber, the heat conducting mold is further provided with a placing section adjacent to the first chamber, and the placing section is provided with a heater; and a liquid chamber mechanism arranged in the first chamber of the heating mechanism, wherein the liquid chamber mechanism is provided with an adapter for guiding the liquid material into the liquid chamber mechanism. The liquid chamber mechanism is provided with a plunger that can push the liquid material in a liquid chamber, so that the liquid material in the liquid chamber is squeezed out from a valve nozzle to facilitate squeezing out the liquid material having lower fluidity.

Description

Liquid chamber module of liquid material extrusion device

The present invention relates to a liquid chamber module, in particular to a liquid chamber module used in a liquid material extruding device for containing liquid material for extrusion.

According to, the general liquid material extrusion device often uses one of spraying, spotting, and coating to leave the viscous glue on the work object. This type of liquid material extrusion device is usually equipped with a valve seat in which it is set The piezoelectric actuator drives a lever to amplify the displacement to indirectly push a plunger for liquid material extrusion, so that the plunger in a liquid chamber in a liquid chamber seat below the valve seat The liquid material is pushed so that the liquid material in the liquid chamber is squeezed out by a valve nozzle.

However, in the prior art, the liquid material in the liquid chamber in the liquid chamber seat often uses liquid materials with different viscosities due to different processing and coating requirements. For liquid materials with thicker viscosities, they often have lower fluidity. , Resulting in the phenomenon that the liquid material is not easily squeezed out of the valve nozzle by the plunger, so there is still room for improvement on the liquid chamber seat.

The purpose of the present invention is to provide a liquid chamber module of a liquid material extrusion device that facilitates the extrusion of liquid materials with low fluidity.

The liquid chamber module of the liquid material extruding device according to the object of the present invention includes: a heating mechanism provided with a cover, the cover is provided with a heat conduction mold, the heat conduction mold is provided with a first chamber; the heat conduction mold is provided There is a placing section adjacent to the first chamber, and the placing section is provided with a heater; a liquid chamber mechanism is provided in the first chamber of the heating mechanism, and the liquid chamber mechanism is provided with an adapter For guiding the liquid material into the liquid chamber mechanism, the liquid chamber mechanism is provided with a plunger which can push the liquid material in a liquid chamber so that the liquid material in the liquid chamber is squeezed out from a valve nozzle.

In the liquid chamber module of the liquid material extrusion device of the embodiment of the present invention, since the liquid chamber module is composed of a heating mechanism and a liquid chamber mechanism, the liquid chamber mechanism can be easily disassembled and cleaned and can be installed in the heating mechanism Receiving heat from the heat source increases the fluidity of the liquid material in the liquid chamber mechanism, which facilitates the extrusion of the liquid material with lower fluidity, and the casing outside the thermally conductive mold can further increase the function of heat insulation.

Please refer to Figure 1. The embodiment of the present invention takes the liquid material extrusion device as shown in the figure as an example. The liquid material extrusion device A is provided with a valve seat A1, and a liquid chamber module A2 is provided under the valve seat A1. The valve seat A1 is provided with a control unit A3 above the valve seat A3. The control unit A3 is equipped with a control circuit board and related circuits, and two wiring terminals A31 are provided above the control unit A3; a fixing seat A4 is provided on one side of the valve seat A1. To be fixed on the machine and properly positioned, the fixed seat A4 is provided with a gas transmission connector A41, which can transport cold air through the fixed seat A4 into the valve seat A1 for cooling; the other side of the fixed seat A4 is provided There is a liquid storage cylinder A5. The liquid storage cylinder A5 is arranged on the side of the valve seat A1 with a first buckling mechanism A51 located above and a second buckling mechanism A52 located below. A delivery pipe A53 is connected to the liquid chamber module A2 to deliver the liquid material in the liquid storage cylinder A5 to the liquid chamber module A2. The valve seat A1 is provided with a switch A11 which can be operated on the valve seat Each of the fasteners A12 on the front and rear sides of A1 buckles or releases the liquid chamber module A2, so that the liquid chamber module A2 can be combined with the valve seat A1 or be completely separated from the valve seat A1.

2~3, the liquid chamber module A2 includes a heating mechanism A21 and a liquid chamber mechanism A22; please refer to Figure 3, the heating mechanism A21 is provided with a rectangular frame-shaped cover A211, the cover A211 There is a thermal conductive mold A212, the cover A211 is made of a material that is not easy to conduct heat, such as engineering plastic, and the thermal conductive mold A212 is made of a material that is easy to conduct heat, such as metal; the two long side pieces A2111 at the front and rear of the cover A211 are provided with a corresponding The first slot A2112 is provided with an opening A2113 above each first slot A2112; one of the left and right short side pieces A2114 of the cover A211 is provided with a second slot A2115, above the second slot A2115 There is an opening A2116; the thermally conductive mold A212 is provided with a pit-shaped first chamber A2121, and the outer sides of the thermally conductive mold A212 on the front and rear sides of the first chamber A2121 are respectively provided with a convex buckle body A2122, The buckle body A2122 is located exactly in the section hollowed out by the first slot A2112 of the cover A211; an opening A2123 is formed above the first chamber A2121, and a third slot A2124 is provided on one side. An opening A2125 is formed above the slot A2124, and the third slot A2124 corresponds to and communicates with the second slot A2114 of the cover A211; the upper part of the heat conducting mold A212 is provided with a partition opposite to the other side of the first chamber A2121 A plurality of pin bodies A214 at intervals, a plurality of terminals A215 are provided above the heat conduction mold A212 between the pin body A214 and the first chamber A2121; a hoop cover A216 is provided on the upper periphery of the first chamber A2121, and the hoop cover A216 is made of a material that is not easy to conduct heat. There is a circular hollow section A2161 in the center of the hollow section A2161. The size of the hollow section A2161 allows the liquid chamber mechanism A22 to pass up and down; the liquid chamber mechanism A22 is provided with an adapter A221, It is used to guide the liquid material into the liquid chamber mechanism A22; the liquid chamber mechanism A22 is not fixed with any screws and is directly accommodated in the first chamber A2121 of the heating mechanism A21, the liquid chamber mechanism A22 The adapter A221 is placed in the third compartment A2121 through the opening A2125 above the third compartment A2124 of the first compartment A2121 and the opening A2116 above the second compartment A2115 of the casing A211. The slot A2124 and the second slot A2115 of the cover A211 protrude outward.

Please refer to Figures 4 and 5, the housing A211 of the heating mechanism A21 is composed of two long-side pieces A2111 forming a long side and two short-side pieces A2114 forming a short side together to form a rectangular frame shape. , And a rectangular hollow section A2117 is provided under the frame of the cover shell A211. The hollow section A2117 can be embedded in a base A2126 protruding below the thermally conductive mold A212; the thermally conductive mold A212 is slightly rectangular cube-shaped, And there are two long sides A2127 constituting the long side and two short sides A2128 constituting the short side. The two buckle bodies A2122 are respectively arranged on the two corresponding long sides A2127 at the front and rear. The third The groove A2124 is set on one of the two short side sides A2128; the long side pieces A2111 or the short side pieces A2114 of the cover A211 are not fixed to each other, and each long side piece A2111 or the short-side piece A2114 are respectively directly screwed and fixed to the corresponding side of the thermally conductive mold A212, and each of the long-side piece A2111 or the short-side piece A2114 can be independently detached from the corresponding side of the thermally conductive mold A212 Separate; the four corners above the thermally conductive mold A212 are respectively provided with convex top seats A2129, the sides of the thermally conductive mold A212 between the top seats A2129 are hollowed out so that the top seats A2129 are spaced apart , The height of each top seat A2129 is approximately flush with the height of the periphery of the cover A211.

Please refer to Figures 4 and 6 between the pin body A214 and the first chamber A2121 on the thermally conductive mold A212, above the thermally conductive mold A212 is provided with a concave second chamber A2130, the second chamber A2130 and the first chamber A2130 A holding compartment A2131 adjacent to the first compartment A2121 is provided between a compartment A2121, and the base A2126 protruding below the heat conducting mold A212 forms a third compartment A2132, and the bottom of the third compartment A2132 And is covered by a bottom cover A2133; a channel A2134 is provided between the second chamber A2130 and the third chamber A2132; a circuit board A2151 is provided in the second chamber A2130 for the terminal A215 to be placed and connected, the carrier A heater A217 is provided in the setting section A2131, and the heater A217 heats the liquid chamber mechanism A22 in a manner of separating the heat conducting mold A212. The wire A2171 of the heater A217 is connected to the circuit board A2151 through the second chamber A2130 A temperature sensor A218 is provided in the third chamber A2132, and the wire A2181 of the temperature sensor A218 is connected to the second chamber A2130 and the circuit board A2151 through the channel A2134; the second chamber A2130 The bottom of the circuit board A2151 is filled with a liquid solidified thermally conductive glue A219 to seal the wire A2171 and the wire A2181.

Please refer to Figure 7. The liquid chamber mechanism A22 is a component that can be independently detached from the valve seat A1 and the liquid chamber module A2. The liquid chamber mechanism A22 is provided with: a liquid chamber seat A222, inside the liquid chamber seat A222 A cavity A2221 in the shape of a pit is provided. The upper edge of the liquid chamber seat A222 horizontally protrudes to one side and a connecting seat A2222 is provided with a threaded connecting hole A2223 communicating with the chamber A2221 , The connecting seat A2222 is screwed to the adapter A221 which is an independent component and is provided with an external thread. The adapter A221 is provided with a hole-shaped conveying channel A2211 communicating with the connecting hole A2223 and the chamber A2221; the connection A convex positioning part A2224 is provided on the seat A2222; the bottom of the chamber A2221 is provided with a receiving hole A2225 having a smaller diameter than the chamber A2221; A pivot seat A223 is provided in the chamber of the liquid chamber seat A222 In A2221, the upper part of the pivot seat A223 is provided with a ring A2231 protruding horizontally outward. The ring A2231 seals the gap between the pivot seat A223 and the chamber A2221 by means of a seal A2232, and the ring A2231 is transverse to one side. A positioning seat A2233 protrudes horizontally, and a positioning hole A2234 is opened on the positioning seat A2233; the cylindrical outer circumference of the pivot seat A223 is concavely provided with a Z-axis guide groove A2235, and the conveying path of the adapter A221 The liquid material input by A2211 can enter the guide groove A2235 and the chamber A2221. The positioning hole A2233 fits into the convex-shaped positioning portion A2224 of the connecting seat A2222 of the liquid chamber seat A222, so that the pivot seat The guide groove A2235 of A223 is located on the same side of the connecting seat A2222 and the adapter A221, and makes the conveying channel A2211 communicate with the connecting hole A2223 and the guide groove A2235; the bottom of the pivot seat A223 and the bottom of the chamber A2221 are kept between A clearance A2226, the liquid material enters the clearance A2226 through the guide groove A2235, the receiving hole A2225 on the liquid chamber seat A222 communicates with the clearance A2226 and can allow the liquid material to be between the receiving hole A2225 and the clearance A2226 Flow; the pivot seat A223 is provided with a plunger chamber A2236, below the plunger chamber A2236 is provided a shaft hole A2237 communicating with the clearance A2226 and the receiving hole A2225, and a collar A2238 is provided below the shaft hole A2237; An opening A2239 is formed above the plunger chamber A2236; a valve nozzle seat A224, the valve nozzle seat A224 is fixed to the lower end of the liquid chamber seat A222 by a fixing member A2241, and the valve nozzle seat A224 is provided with a recessed container. The upper part of the chamber A2242 is provided with an opening A2243 that is connected to and communicated with the receiving hole A2225 of the liquid chamber seat A222. The chamber A22 42 is provided with a valve nozzle A2244 in the shape of a fine hole. The upper end of the valve nozzle A2244 communicates with the chamber A2242, and the lower end communicates with the outside of the valve nozzle seat A224; the clearance A2226, the receiving hole A2225, and the chamber A2242 The three communicate and form a liquid chamber A225; a plunger A226, the plunger chamber A2236 provided in the pivot A223 includes a head A2261 with a larger rod diameter and a shorter rod length located above, and Below the head A2261 is a rod A2262 with a smaller diameter and a longer rod length. The rod A2262 extends downward through the shaft hole A2237 and the lower end is located in the liquid chamber A225. The rod A2262 is radially aligned with the The peripheral wall surface of the liquid chamber A225 is not in contact; the rod A2262 of the plunger A226 in the plunger chamber A2236 is sheathed with an elastic member A227 composed of a spring, and the elastic member A227 provides the first plunger A226 when compressed A reciprocating driving force; the plunger A226 uses the arc-shaped end A2263 at the bottom of the rod A2262 to push the liquid material in the liquid chamber A225 and abut the valve nozzle A2244 when it is forced to make the liquid The liquid material in the chamber A225 is extruded from the valve nozzle A2244.

1 and 8, the valve seat A1 of the liquid material extruding device A is provided with a piezoelectric actuator A13 that is fine-tuned by a fine-tuning member A131. The piezoelectric actuator A13 includes an upper and a lower series connected in series. A first piezoelectric actuator A132 located below and a longer length and a second piezoelectric actuator A133 located above and a shorter length; the piezoelectric actuator A13 is provided with a temperature sensor formed by a thermistor A sensor A134 is used to detect the temperature of the piezoelectric actuator A13; a lever A14 is provided under the piezoelectric actuator A13, and a supporting end A141 of the lever A14 is provided on a supporting member A142 underneath, and the other resistance end A143 is arranged at the upper end of a pressing member A15, and the force application portion A144 of the lever A14 located between the support end A141 and the resistance end A143 is pressed and forced by the piezoelectric actuator A13, and the force application portion A144 A slot A145 is provided on the lever A14 between the resistance end A143, and the slot A145 is just pivotally inserted by a positioning member A146 protruding from the inner bottom side of the valve seat A1, so as to limit the horizontal swing of the lever A14. The lower end of the valve seat A1 is provided with a valve hole A16, the valve hole A16 is fixed with a fixing member A161 in a cylindrical carrier A162, the carrier A162 is provided with a chamber A1621, the chamber A1621 is provided with a Through hole A1622; the upper end of the pressing member A15 is provided with a top end portion A151 with a wider radial shaft diameter, and the lower end is provided with a rod portion A152 with a narrower radial shaft diameter. The lower end of the rod portion A152 passes through the through hole A1622 In addition, the part of the rod A152 located in the chamber A1621 is sheathed with an elastic member A153 composed of a spring on the outer diameter, so that the top end A151 maintains a driving force against the resistive end A143 of the lever A14. Only a small section of the lower part of the rod A152 is slightly protruding from the bottom of the through hole A1622. The necessary step difference between the upper and lower sides is lower than that of the through hole A1622; the valve seat A1 has a rectangular cross-section, and its surrounding sides include two parallel sides and parallel sides On two short sides, the piezoelectric actuator A13 is biased against a side wall A17 on a short side in the valve seat A1, and the fixing seat A4 is arranged on the valve seat A1 next to the short side of the piezoelectric actuator A13. Outside the side wall A17, the valve seat A1 is provided with a line groove A171 recessed from the outside to the inside of the Z axis on the outside of the side wall A17. The proximal end of the side wall A17 is provided with an outer side communicating with the upper end of the line groove A171 and an inner side A guide hole A172 communicating with the inside of the valve seat A1, the guide hole A172 is located above the fixing seat A4, and a top wall A18 of the upper end of the valve seat A1 adjacent to the guide hole A172 is provided with a slot A181 communicating with the inside of the valve seat A1 And the outside; a bottom wall A19 at the lower end of the valve seat A1 is provided with two pin holes A191 and a chamber A192 with an open lower end. The chamber A192 is provided with a circuit board A193, and the circuit board A193 is connected with a wire A1921 through The wire groove A171 extends to the guide hole A172, and passes through the guide hole A172 to enter the valve seat A1 , And then go up through the notch A181 to extend beyond the upper end of the valve seat A1, the part where the circuit board A193 is connected to the wire A1921 is located in the chamber A192, and the chamber A192 is filled with liquid glue coagulum A1911, such as Silicone Rubber; the recessed opening on the outside of the wire groove A171 is covered and closed by the fixing seat A4, and the fixing seat A4 is provided with a channel A42 connecting the air delivery end A41 and the side wall of the lower end of the valve seat A1 A port A173 of A17. The port A173 corresponds to one side of the first piezoelectric actuator A132 inside the valve seat A1. The cold gas input from the gas delivery port A41 enters the valve through the passage A42 and the port A173. The inside of the seat A1 dissipates and cools the heat generated by the operation of the piezoelectric actuator A13, and the hot air inside the valve seat A1 is discharged through the guide hole A172, and the valve seat A1 outside the guide hole A172 A temperature switch A174 is provided on the side wall A17, which can detect the overall temperature of the valve seat A1 caused by the out-of-control heating of the heater A217 or the accumulated temperature of the piezoelectric actuator A13; A temperature detector A175 composed of a thermistor is arranged on the inner wall surface of the side wall A17 between the side wall A17 and the piezoelectric actuator A13 to detect the temperature inside the valve seat A1.

Please refer to Figures 1, 4, and 8, the liquid chamber module A2 presses the upper end of each top seat A2129 on the heat conduction mold A212 against the bottom wall A19 of the lower end of the valve seat A1, so that the pin body A214 is inserted into the valve The pin hole A191 of the bottom wall A19 at the lower end of the seat A1 is positioned, and by operating the switch A11 on the valve seat A1, the fasteners A12 on the front and rear sides of the valve seat A1 are connected to the liquid chamber module A2. The buckle body A2122 protruding from the outer side of the thermally conductive mold A212 is buckled to complete the buckling assembly of the liquid chamber module A2. The upper end surface of the head A2261 of the plunger A226 is supported by the valve seat A1. The lower end of the pressing member A15 slightly protrudes below the through hole A1622 and the rod A152 is in contact with each other, and the terminal A215 on the liquid chamber module A2 is in contact with the chamber A192 at the lower end of the valve seat A1 Corresponding contacts on the circuit board A193 in the circuit board, so that the valve seat A1 can supply power to the heater A217 and the temperature sensor A218 of the heating mechanism A21 in the liquid chamber module A2 through the wire A1921 and the circuit board A193, And the temperature information sensed by the temperature sensor A218 is returned to the control unit A3.

The aforementioned liquid chamber mechanism A22 can be replaced by the embodiment of the liquid chamber mechanism B as shown in Figures 9 and 10 (the following mechanisms are the same as the previous embodiments using the same number), and the liquid chamber mechanism B is provided with: a liquid chamber seat B1 , The liquid chamber seat B1 is integrally provided with a bearing portion B11 relatively located above and having a larger radial diameter width and a neck portion B12 relatively located below and having a smaller radial diameter width. The appearance of the bearing portion B11 and the neck portion B12 Roughly in the shape of a round shaft; the liquid chamber seat B1 is provided with a cavity B13 in the shape of a pit, and the chamber B13 is provided on the carrying portion B11 of the liquid chamber seat B1 and a connecting portion B14 protruding to one side Above a connecting hole B15 arranged horizontally in the middle and horizontal direction, the connecting hole B15 is provided with a thread and is screwed with an adapter B2 provided with an external thread. The adapter B2 itself is an independent component and has a conveying channel B21 inside. The connecting hole B15 communicates with the conveying channel B21, and can guide the liquid material into the liquid chamber mechanism B; the bottom of the chamber B13 is provided with a section of containing hole B16 having a smaller diameter than the chamber B13, and the connecting hole B15 is provided in the One side of the receiving hole B16 and communicating with it; the bottom end of the receiving hole B16 at the lower end of the neck B12 is recessed with a screw hole B121 with a larger diameter than the receiving hole B16; A pivot seat B3 is provided on the pivot seat B3 An annular flange B31 is horizontally protruding outward, and the pivot seat B3 includes an upper pivot portion B32 located above the flange B31 and a lower pivot portion B33 located below the flange B31; the upper pivot portion B32 is provided with a column The plunger chamber B34 is provided with a shaft hole B35 communicating with the receiving hole B16 in the liquid chamber seat B1 under the plunger chamber B34, and the upper pivot portion B32 is integrally provided with a relatively lower and larger radial diameter width The base B321 and the top base B322, which is located relatively above and has a small radial diameter width, both have a round shaft shape in appearance, and the radial diameter width of the base B321 is smaller than the radial diameter width of the flange B31 The lower pivot portion B33 has a circular appearance and is located in the chamber B13 of the liquid chamber seat B1, and the outer circumference of the lower pivot portion B33 is sealed by a seal B36 on the outer circumferential surface near the flange B31 A shaft seal B37 is provided at the lower end of the lower pivot portion B33 with a clearance between the inner circumference of the chamber B13; an opening B38 is formed above the plunger chamber B34, and a shaft seal B39 is provided on the periphery of the opening B38; A valve seat B4, the valve seat B4 is made of tungsten steel and is held by a set B41 from bottom to top, and is screw-locked on the lower end of the liquid chamber seat B1 by means of the outer thread B411 on the outer edge of the set B41 The screw hole B121 and the valve seat B4 are provided with a recessed chamber B42, an opening B43 above the chamber B42 is connected to and communicated with the receiving hole B16 of the liquid chamber seat B1, and the chamber B42 is formed below An arc-shaped bottom edge B421, and below the bottom edge B421 is provided a fine hole-shaped valve mouth B44, the upper end of the valve mouth B44 and the chamber B42 The lower end communicates with the outside of the valve seat B4; the receiving hole B16 and the chamber B42 communicate and jointly form a liquid chamber B5 containing liquid material; the outer side of the valve mouth B44 of the valve seat B4 forms a lower circular diameter A small oblique cone-shaped conical surface B441 with a large upper circular diameter, within the height range of the conical surface B441, there is no component on the outer peripheral side of the conical surface B441 to cover or block the radial space; a plunger B6, set The plunger chamber B34 in the pivot seat B3 includes a head B61 with a larger rod diameter and a shorter rod length above, and a smaller rod diameter and longer rod below the head B61 A rod part B62 with a long rod, a positioning part B611 protruding from the upper end of the head B61, the rod part B62 extends downward through the shaft hole B35 and the shaft seal B37, and the lower end of the rod part B62 is located in the receiving hole B16 and In the liquid chamber B5 formed by the chamber B42; the rod portion B62 of the plunger B6 in the plunger chamber B34 is sheathed with an elastic member B7 composed of a spring, the elastic member B7 provides the plunger B6 when compressed A restoring driving force; the rod portion B62 of the plunger B6 radially does not contact the peripheral side wall surface of the liquid chamber B5, but when the plunger B6 is driven, the plunger B6 follows a circular arc at the bottom of the rod portion B62 The curved end B63 abuts against the arc-shaped bottom edge B421 surface under the chamber B42 of the valve nozzle seat B4, so that the liquid material in the liquid chamber B5 is extruded from the valve nozzle B44.

Referring to FIG. 11, the liquid chamber mechanism B is bounded by the flange B31, the lower pivot portion B33 and the liquid chamber seat B1 below the flange B31 are located in the heat conduction of the heating mechanism A21 of the liquid chamber module A2 In the first chamber A2121 on the mold A212, the base B321 of the upper pivot portion B32 above the flange B31 is set in an accommodating section C1 at the bottom of the valve seat C, and the radial diameter of the flange B31 The width is greater than the accommodating interval C1, and under the accommodating interval C1, it stops against the bottom of the valve seat C, so that the upper pivot portion B32 cannot move upward; at the same time, the radial diameter width of the flange B31 is greater than the The first accommodation chamber A2121 is located above the first accommodation chamber A2121 against the upper edge of the liquid chamber seat B1, so that the lower pivot portion B33 cannot move down; the accommodation section C1 is provided with the valve A neck hole C3 communicates with the cavity C2 inside the seat C, the top seat B322 of the upper pivot portion B32 pivots through the neck hole C3; the neck hole C3 is provided with a seat C4, the seat C4 includes a pivot A sleeve pivot portion C41 outside the upper pivot portion B32 and inside the inner diameter circumference of the neck hole C3, and a fixing portion C42 located outside the neck hole C3, the fixing portion C42 faces outward from the upper pivot portion B32 A side-biased abutting portion C421 is provided between the abutting portion C421 and a lever C6 driven by a piezoelectric actuator C5 with an elastic member C7 composed of a spring, and the resisting end C61 of the lever C6 is provided with a hollow-shaped A pivot groove C611 is mounted on the positioning portion B611 protruding from the upper end of the head B61 of the plunger B6 to limit the horizontal plane of the lever C6 from swinging left and right; the elastic member C7 is located at the resisting end C61 and the force applying portion of the lever C6 Room C62; the liquid chamber mechanism B is not screwed with the valve seat C and the liquid chamber module A2 by any screws or other types of screws, so the liquid chamber mechanism B is an independent detachable and the valve seat C and the liquid chamber module A2 are separated and combined. When the liquid chamber module A2 is separated from the valve seat C (operating switch A11 as shown in Figure 1), the lower pivot is sealed by the seal B36 The clearance between the outer circumference of B33 and the inner circumference of the chamber B13 makes the pivot seat B3 and the liquid chamber seat B1 maintain a proper tightness to be integrated, so when the liquid chamber module A2 is removed, the entire liquid chamber The mechanism B will then be separated from the valve seat C and the heating mechanism A21.

In the liquid chamber module of the liquid material extrusion device of the embodiment of the present invention, since the liquid chamber module A2 is composed of a heating mechanism A21 and a liquid chamber mechanism A22, the liquid chamber mechanism A22 can be easily disassembled and cleaned, and can be used in the The heating mechanism A21 is heated by a heat source to increase the fluidity of the liquid material in the liquid chamber mechanism A22, which helps the liquid material with lower fluidity to be extruded, and the housing A211 outside the heat conducting mold A212 is more effective Increase the function of heat insulation.

However, the foregoing are only preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention, that is, simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the description of the invention, All are still within the scope of the invention patent.

A: Liquid material extrusion device A1: Valve seat A11: Switch A12: Fastener A13: Piezo actuator A131: Fine adjustment part A132: The first piezoelectric actuator A133: The second piezoelectric actuator A134: temperature detector A14: lever A141: Support end A142: Support A143: Resistance end A144: Force application part A145: Slot hole A146: Positioning piece A15: Pusher A151: Tip A152: Rod A153: Elastic part A16: Valve hole A161: Fixing part A162: Carrier A1621: Room A1622: Through hole A17: Side wall A171: Trunking A172: Guide hole A173: Air port A174: Temperature switch A175: temperature detector A18: top wall A181: notch A19: bottom wall A191: Pin hole A1911: Liquid glue coagulum A192: Chamber A1921: Wire A193: Circuit board A2: Liquid chamber module A21: Heating mechanism A211: Cover A2111: Long side part A2112: First groove side A2113: Opening A2114: Short side piece A2115: Second slot A2116: Opening A2117: Hollow section A212: Thermal conductive mold A2121: The first chamber A2122: Button body A2123: Opening A2124: Third slot A2125: Opening A2126: Base A2127: Long side A2128: Short side A2129: Top seat A2130: Second chamber A2131: Loading area A2132: Third chamber A2133: bottom cover A2134: channel A214: Pin body A215: Terminal A2151: circuit board A216: hoop cover A2161: Hollow section A217: Heater A2171: Wire A218: Temperature sensor A2181: Wire A219: Thermally conductive glue A22: Liquid chamber mechanism A221: Adapter A2211: Conveyor Road A222: Liquid Chamber Seat A2221: chamber A2222: connecting seat A2223: connecting hole A2224: positioning part A2225: Receiving hole A2226: Clearance A223: Pivot A2231: Ring A2232: Seal A2233: Positioning seat A2234: positioning hole A2235: guide groove A2236: Plunger chamber A2237: Shaft hole A2238: Collar A2239: Opening A224: Valve seat A2241: Fixing parts A2242: Chamber A2243: Opening A2244: Valve nozzle A225: Liquid chamber A226: Plunger A2261: Head A2262: Rod A2263: End A3: Control part A31: Terminal block A4: Fixed seat A41: Air connector A42: Channel A5: Liquid reservoir A51: The first buckle mechanism A52: The second buckle mechanism A53: Conveying pipe B: Liquid chamber mechanism B1: Liquid chamber seat B11: Bearing seat B12: neck B121: screw hole B13: Chamber B14: Connection part B15: connecting hole B16: receiving hole B2: Connector B21: Conveyor B3: Pivot B31: Flange B32: upper pivot B321: base B322: Top seat B33: Lower pivot B34: plunger chamber B35: shaft hole B36: Seal B37: Shaft seal B38: opening B39: shaft seal B4: Valve seat B41: Kit B411: external thread B42: chamber B421: bottom edge B43: opening B44: Valve nozzle B441: Cone B5: liquid chamber B6: plunger B61: head B611: positioning part B62: Rod B63: End B7: Elastic part C: Valve seat C1: accommodating interval C2: chamber C3: neck hole C4: socket C41: Sleeve pivot part C42: Fixed part C421: Resistor C5: Piezo actuator C6: Lever C61: Resistance end C611: pivot groove C62: force application part C7: Elastic part

Fig. 1 is a three-dimensional schematic diagram of a liquid material extrusion device in an embodiment of the present invention. Figure 2 is a three-dimensional schematic diagram of the liquid chamber module in the embodiment of the present invention. 3 is a perspective exploded schematic diagram of the heating mechanism and the liquid chamber mechanism of the liquid chamber module in the embodiment of the present invention. 4 is a perspective exploded schematic diagram of the heating mechanism of the liquid chamber module in the embodiment of the present invention. FIG. 5 is a perspective exploded schematic view of the cover of the heating mechanism of the liquid chamber module in the embodiment of the present invention. 6 is a schematic cross-sectional view of the liquid chamber module in the embodiment of the present invention. Fig. 7 is a schematic cross-sectional view of the liquid chamber mechanism in the embodiment of the present invention. FIG. 8 is a partial cross-sectional view of the combination of the liquid chamber module and the valve seat in the embodiment of the present invention. 9 is a schematic diagram of the appearance of another liquid chamber mechanism of the liquid chamber module in the embodiment of the present invention. 10 is a schematic cross-sectional view of another liquid chamber mechanism embodiment of the liquid chamber module in the embodiment of the present invention. FIG. 11 is a partial cross-sectional view of the combination of another liquid chamber mechanism and the valve seat of the liquid chamber module in the embodiment of the present invention.

A2: Liquid chamber module

Claims (19)

A liquid chamber module of a liquid material extruding device includes: a heating mechanism provided with a cover, a heat conduction mold is provided in the cover, the heat conduction mold is provided with a first chamber; the heat conduction mold is provided adjacent to the A loading section of the first chamber, the loading section is provided with a heater; a liquid chamber mechanism is provided in the first chamber of the heating mechanism, and the liquid chamber mechanism is provided with an adapter for guiding the liquid material Into the liquid chamber mechanism, the liquid chamber mechanism is provided with a plunger which can push the liquid material in a liquid chamber, so that the liquid material in the liquid chamber is extruded from a valve nozzle. For example, the liquid chamber module of the liquid material extrusion device described in the first item of the scope of patent application, wherein the two long side members of the front and the back of the cover are respectively provided with a first groove, and an opening is provided above each groove . For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein one of the two short side pieces on the left and right sides of the cover is provided with a second groove, and an opening is provided above the second groove . For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein an opening is formed above the first chamber, and a third groove is provided on one side, and a third groove is formed above the third groove Opening, the third groove corresponds to and communicates with the second groove of the casing. For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein, the outer sides of the heat conducting mold on the front and rear sides of the first chamber are respectively provided with a buckle body, and the buckle body is located just in the casing In the interval engraved by the first groove. The liquid chamber module of the liquid material extruding device described in the first item of the scope of patent application, wherein the upper part of the heat conducting die is provided with a spaced apart pin body on the other side of the first chamber. For example, the liquid chamber module of the liquid material extruding device described in the first item of the scope of patent application, wherein a plurality of terminals are arranged above the heat conducting mold. For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein a hoop cover is provided on the upper periphery of the first chamber, and the hoop cover is made of a material that is not easy to conduct heat, and the center is provided with a hollow The hollow space allows the liquid chamber mechanism to pass up and down. Such as the liquid chamber module of the liquid material extrusion device described in the scope of patent application 1, wherein the adapter passes through an opening above the third groove of the first chamber and a second of the casing An opening above the groove is placed in the third groove of the first chamber and the second groove of the casing and protrudes outward. For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein the casing is composed of two long side pieces forming a long side and two short side pieces forming a short side. A rectangular frame shape is formed, and a hollow space is provided under the frame body of the cover shell, and the hollow space can be embedded in a base protruding below the heat conducting mold. For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein the long side members or the short side members of the casing are not consolidated with each other, and each long side member Or the short-side pieces are respectively directly screwed and fixed to the corresponding sides of the heat-conducting mold, and each of the long-side pieces or the short-side pieces can be independently detached from the corresponding sides of the heat-conducting mold. For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein the heat conduction mold is slightly rectangular cube-shaped, and is provided with two long sides constituting the long side and two short sides. On the short side, two buckle bodies are respectively arranged on two front and rear corresponding long sides, and a third slot is arranged on one of the two short sides. For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein the four corners of the upper part of the heat conduction mold are respectively provided with top seats, and the sides of the heat conduction mold between the top seats form a hollow The interval makes the top seats form an interval, and the height of each top seat is approximately equal to the height of the periphery of the casing. For example, the liquid chamber module of the liquid material extrusion device described in the scope of the patent application, wherein a second chamber is provided on the thermally conductive mold, and the second chamber and the first chamber are adjacent to the In the placing section of the first chamber, a circuit board is provided in the second chamber for a terminal to be placed and connected, and the heater wire is connected to the circuit board through the second chamber. For example, the liquid chamber module of the liquid material extrusion device described in the scope of patent application 1, wherein the heat conducting mold forms a third chamber, and a channel is provided between the second chamber and the third chamber; A temperature sensor is arranged in the three chambers, and the wire of the temperature sensor is connected to the second chamber and the circuit board through the channel. The liquid chamber module of the liquid material extrusion device described in the first item of the scope of patent application, wherein the lower part of the circuit board of the second chamber is filled with liquid solidified thermal conductive glue to seal the wires and wires. For example, the liquid chamber module of the liquid material extrusion device described in the first item of the scope of patent application, wherein the liquid chamber mechanism is provided with: a liquid chamber seat, the liquid chamber seat is provided with a chamber, and the chamber is provided with a connection The hole is screwed with the adapter and communicates with the inside. The bottom of the chamber is provided with a receiving hole with a diameter smaller than that of the chamber; A pivot seat is arranged in the chamber of the liquid chamber seat, and the pivot seat is provided above the pivot seat. A ring edge protruding horizontally outward; a plunger chamber is provided in the pivot seat, and a shaft hole communicating with the clearance and the receiving hole is provided under the plunger chamber; an opening is formed above the plunger chamber; A valve nozzle seat, the valve nozzle seat is fixed on the lower end of the liquid chamber seat by a fixing member, the valve nozzle seat is provided with a recessed chamber, and an opening above the chamber and the receiving chamber of the liquid chamber seat The holes are connected and communicated with each other, a valve mouth in the shape of a fine hole is arranged below the chamber, the upper end of the valve mouth communicates with the chamber, and the lower end communicates with the outside of the valve mouth seat; the clearance, the receiving hole, and the chamber The three communicate and form a liquid chamber. For example, the liquid chamber module of the liquid material extrusion device described in the first item of the scope of patent application, wherein the liquid material extrusion device is provided with a valve seat, the liquid chamber module is arranged below the valve seat, and the valve seat is provided with There is a piezoelectric actuator; a lever is arranged below the piezoelectric actuator, a supporting end of the lever is arranged on a support member, and the other end of the resistance force is arranged on the upper end of a pressing member; the lower end of the valve seat is provided with a valve In the valve hole, a fixing member is used to fix a carrier, the carrier is provided with a chamber, and a through hole is provided under the chamber; the pressing member is provided with a top end and a rod at the lower end, The lower end of the rod passes through the through hole, and the part of the rod located in the chamber is sleeved with an elastic member on the outer diameter, so that the top end maintains a driving force against the resistive end of the lever upward, so that the Only a small section of the bottom of the rod is slightly convex and the necessary section of the up and down fretting is lower than that of the through hole. For example, the liquid chamber module of the liquid material extrusion device described in item 1 of the scope of the patent application, wherein the liquid chamber mechanism is provided with: a liquid chamber seat, the liquid chamber seat is provided with a chamber, and the chamber is arranged in a Above the connecting hole, the connecting hole is screwed with the adapter and communicates with the inside. The bottom of the chamber is provided with a receiving hole with a smaller diameter than the chamber, and the connecting hole is provided on one side of the receiving hole and communicates with it; a pivot Seat, the pivot seat is provided with a flange, the pivot seat includes an upper pivot portion located above the flange and a lower pivot portion located below the flange; the upper pivot portion is provided with a plunger chamber, the plunger A shaft hole communicating with the accommodating hole in the liquid chamber seat is provided below the chamber, and the upper pivot includes a base relatively located below and with a larger radial diameter width and a top seat relatively located above and with a smaller radial diameter width The lower pivot is provided in the chamber of the liquid chamber seat, and the clearance between the lower pivot and the chamber is sealed by a seal, and a shaft seal is provided below the lower pivot; above the plunger chamber An opening is formed, and a shaft seal is provided on the periphery of the opening; a valve nozzle seat, the valve nozzle seat is fixed on the lower end of the liquid chamber seat by a fixing member, the valve nozzle seat is provided with a chamber, and the upper part of the chamber An opening abuts and communicates with the containing hole of the liquid chamber seat, a valve mouth in the shape of a fine hole is arranged under the chamber, the upper end of the valve mouth communicates with the chamber, and the lower end communicates with the outside of the valve mouth seat; The containing hole and the containing chamber are communicated and form a liquid chamber together; a plunger, the plunger containing chamber provided in the pivot seat includes a head with a larger rod diameter located above, and a head located below the head A rod portion with a smaller rod diameter, a positioning portion protruding from the upper end of the head, the rod portion extends downward through the shaft hole, and the lower end is located in the liquid chamber formed by the containing hole and the chamber; the plunger The rod of the plunger in the chamber is sheathed with an elastic member, which provides a driving force for the plunger to return when compressed; the plunger uses the rod to push the liquid material in the liquid chamber Squeeze makes the liquid material in the liquid chamber squeeze out from the valve nozzle.

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