CN112622273A - Full-color resin proportional injection valve based on piezoelectric ceramics - Google Patents
Full-color resin proportional injection valve based on piezoelectric ceramics Download PDFInfo
- Publication number
- CN112622273A CN112622273A CN202110051689.0A CN202110051689A CN112622273A CN 112622273 A CN112622273 A CN 112622273A CN 202110051689 A CN202110051689 A CN 202110051689A CN 112622273 A CN112622273 A CN 112622273A
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- needle valve
- air pipe
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- 239000000919 ceramic Substances 0.000 title claims abstract description 108
- 239000011347 resin Substances 0.000 title claims abstract description 80
- 229920005989 resin Polymers 0.000 title claims abstract description 80
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 26
- 210000003437 trachea Anatomy 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims 3
- 238000010304 firing Methods 0.000 abstract description 11
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Coating Apparatus (AREA)
Abstract
The utility model provides a full-color resin proportional injection valve based on piezoceramics, it relates to the full-color shower nozzle technical field of the photosensitive resin of 3D printer. The color source module comprises a current collecting plate assembly, a color source shell and a piezoelectric ceramic assembly, wherein the current collecting plate assembly, the color source shell and the piezoelectric ceramic assembly are fixedly connected through bolts from top to bottom in sequence, the color source shell is arranged at the lower part of the current collecting plate assembly, and the piezoelectric ceramic assembly is arranged at the lower part of the color source shell. The full-color resin spray head is used as an execution unit of an injection system, a driving part is designed by adopting a piezoelectric ceramic material, the stroke of a firing pin is accurate and controllable, the speed of the firing pin is adjusted by pulse voltage, a temperature sensor is arranged in the full-color resin spray head, the execution of the injection of the single-color photosensitive resin comprises the tasks of white, black, transparent and colorful photosensitive resin formed by mixing magenta, yellow and cyan with the action proportion of pressing the electric ceramic, the injection amount is stable, the noise is low, and the overall practicability is high.
Description
Technical Field
The invention relates to the technical field of photosensitive resin full-color nozzles of 3D printers, in particular to a full-color resin proportional injection valve based on piezoelectric ceramics.
Background
At present, most of domestic injection valve drives adopt a solenoid valve air pressure driving mode to supply air, and the solenoid valve is powered on intermittently and is frequently switched on and off, so that an air source continuously supplies air to an air cylinder, the plunger of a firing pin moves up and down, and the firing pin impacts a nozzle to achieve injection dispensing.
At present, most of domestic 3D printers can only print monochromatic photosensitive resin materials, and the finished product needs the post-processing through multiple technology can reach expected effect, and this kind of structure generally includes: the controller is externally provided with a power switch, a temperature controller, a trigger button, a touch screen, an RS232 interface for communicating with a computer, an input/output interface and the like, and the controller is internally provided with a 24V power supply, a main control CPU board, an electromagnetic valve, an air circuit and the like. When the trigger button is switched on, the main control CPU board sends a signal to open the electromagnetic valve, and air enters the valve body cylinder to push the striker piston to move up and down. The glue amount is controlled by adopting the mode of air inlet amount of the electromagnetic valve, the response frequency is low, and the high-speed requirement of the prior art on the injection valve can not be met; in addition, a stable air source is needed by adopting the control mode, and when the air source is unstable, the stroke of the firing pin is easy to be unstable, so that the glue amount is unstable; moreover, the control method adopts pneumatic driving, which can generate very loud noise.
Disclosure of Invention
The invention aims to solve the defects and shortcomings of the prior art, provides a piezoelectric ceramic-based full-color resin proportional injection valve, and aims to solve the problems in the background art, the piezoelectric ceramic-based full-color resin proportional injection valve is suitable for photosensitive resins with various viscosities, integrates high speed, high precision and high flexibility, adopts a piezoelectric ceramic material to design a driving part as an execution unit of an injection system, adopts a piezoelectric ceramic material to design the driving part, has accurate and controllable stroke of a firing pin, adjusts the speed of the firing pin by pulse voltage, is internally provided with a temperature sensor, executes a multi-color photosensitive resin task of mixing magenta, yellow and cyan primary colors according to the action ratio of the single-color photosensitive resin including white, black, transparent and piezoelectric ceramic, realizes the liquid injection amount of 0.002 ul, adopts a full-voltage mode, has the service life of 15 hundred million times, adopts a bolt fixing mode, has stable injection amount, the noise is little, and whole practicality is strong, has great market spreading value.
In order to achieve the purpose, the invention adopts the following technical scheme: the color source module comprises a current collecting plate assembly 1, a color source shell 2 and a piezoelectric ceramic assembly 3, wherein the current collecting plate assembly 1, the color source shell 2 and the piezoelectric ceramic assembly 3 are fixedly connected through bolts from top to bottom in sequence, the color source shell 2 is arranged on the lower portion of the current collecting plate assembly 1, and the piezoelectric ceramic assembly 3 is arranged on the lower portion of the color source shell 2.
The collecting plate component 1 comprises a heating ceramic ring placing groove 11, a first sealing ring 12, a spring 13, steel balls 14, a first cleaning air pipe joint 15, a cleaning air pipe 16, a full-color resin spray head 17, a second sealing ring 18 and studs 19, the heating ceramic ring placing groove 11 is arranged at the center of the top surface of the collecting plate component 1, the first sealing rings 12 are arranged on the periphery of the heating ceramic ring placing groove 11 at equal intervals, six first sealing rings 12 are arranged, the studs 19 are arranged between every two first sealing rings 12, through holes 111 are arranged on the side wall of the collecting plate component 1 at equal intervals, the spring 13, the steel balls 14 and the first cleaning air pipe joint 15 are sequentially arranged in the through holes 111, the spring 13 is arranged at the innermost part, the steel balls 14 are abutted to the outer part of the spring 13, the first cleaning air pipe joint 15 is abutted to the outer part of the steel balls 14, first clean air pipe joint 15 be connected with through-hole 111 through the screw thread meshing, first clean air pipe joint 15 on cup jointed clean trachea 16, the bottom central point department of putting of mass flow board subassembly 1 butt have second sealing washer 18, the bottom of second sealing washer 18 be provided with full-color resin shower nozzle 17, full-color resin shower nozzle 17 pass through fastening bolt and mass flow board subassembly 1 fixed connection.
Piezoelectric ceramic subassembly 3 contain micrometer 31, triangle fixed plate 32, piezoelectric ceramic module 33, piezoelectric ceramic module adjusting spring 34, piezoelectric ceramic module fixed plate 35, the fixed locking screw 36 of piezoelectric ceramic module, the top of piezoelectric ceramic subassembly 3 equidistant triangle fixed plate 32 that is provided with, triangle fixed plate 32 on be provided with micrometer 31, micrometer 31's bottom be connected with piezoelectric ceramic module 33, piezoelectric ceramic module 33's bottom be provided with piezoelectric ceramic module adjusting spring 34, piezoelectric ceramic subassembly 3's lateral wall equidistant piezoelectric ceramic module fixed plate 35 that is provided with, piezoelectric ceramic module fixed plate 35 through the fixed locking screw 36 of piezoelectric ceramic module and piezoelectric ceramic subassembly 3 fixed connection.
The assembly formed by connecting the first cleaning air pipe joint 15, the cleaning air pipe 16 and the second cleaning air pipe joint 23 is provided with six groups.
The needle valve assembly 21 is provided with six groups, and the resin input joint 24 is provided with six groups.
The micrometer 31 is provided with six sets, and the piezoelectric ceramic module fixing plate 35 and the piezoelectric ceramic module fixing locking screws 36 are provided with six sets.
The working principle of the invention is as follows: resin is poured into from resin input connector, the resin flows into the heating ceramic ring standing groove of mass flow plate subassembly through needle valve subassembly by the colour source casing in, the resin flows into full-color resin shower nozzle blowout through the heating ceramic ring standing groove of mass flow plate subassembly at last, at whole flow in-process, guarantee 35 ℃ through temperature sensor monitoring control heating ceramic ring standing groove and make the resin maintain the best performance, can in time promote the heat through heating ceramic ring, through the adjustable needle valve subassembly aperture of micrometer, the volume of spouting of control resin, can in time clear up the remaining resin of material way through clean trachea and clean main trachea, prevent to block up, clean trachea adopts transparent design, can real time monitoring whether too big the pouring air flue of resin pressure.
After the technical scheme is adopted, the invention has the beneficial effects that: the photosensitive resin suitable for multiple viscosity, and integrated high-speed, high accuracy, high flexibility is in an organic whole, full-color resin shower nozzle is as injection system's execution unit, adopt piezoceramics material design driver part, the firing pin stroke is accurate controllable, impulse voltage adjustment firing pin speed, built-in temperature sensor, the execution sprays monochromatic photosensitive resin and includes white, black, transparent and press the colorful photosensitive resin task that electroceramic action proportion mixes pinkish red, yellow, blue and green three primary colors, realize 0.002 ul liquid jet volume, full-color resin shower nozzle adopts full piezoelectricity mode, life can reach 15 hundred million times, adopt the bolt fastening mode, the jet volume is stable, the noise is little, whole practicality is strong, great market spreading value has.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the collector plate assembly 1 of the present invention;
FIG. 3 is a schematic view of the structure of the color source housing 2 of the present invention;
fig. 4 is a schematic structural view of the piezoelectric ceramic component 3 of the present invention.
Description of reference numerals: the device comprises a collecting plate assembly 1, a heating ceramic ring placing groove 11, a through hole 111, a first sealing ring 12, a spring 13, steel balls 14, a first cleaning air pipe joint 15, a cleaning air pipe 16, a full-color resin spray head 17, a second sealing ring 18, a stud 19, a color source shell 2, a needle valve assembly 21, a fixing nut 211, a needle valve piston 212, a needle valve piston sealing ring 213, a needle valve 214, a needle valve opening spring 215, a heating ceramic ring 22, a second cleaning air pipe joint 23, a resin input joint 24, a temperature sensor 25, a cleaning main air pipe joint 26, a cleaning main air pipe 27, a piezoelectric ceramic assembly 3, a micrometer 31, a triangular fixing plate 32, a piezoelectric ceramic module 33, a piezoelectric ceramic module adjusting spring 34, a piezoelectric ceramic module fixing plate 35 and a piezoelectric ceramic module fixing locking screw 36.
Detailed Description
Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: the color source module comprises a current collecting plate assembly 1, a color source shell 2 and a piezoelectric ceramic assembly 3, wherein the current collecting plate assembly 1, the color source shell 2 and the piezoelectric ceramic assembly 3 are fixedly connected through bolts from top to bottom in sequence, the color source shell 2 is arranged on the lower portion of the current collecting plate assembly 1, and the piezoelectric ceramic assembly 3 is arranged on the lower portion of the color source shell 2.
Further, the collecting plate assembly 1 comprises a heating ceramic ring placing groove 11, a first sealing ring 12, a spring 13, a steel ball 14, a first cleaning air pipe joint 15, a cleaning air pipe 16, a full-color resin spray head 17, a second sealing ring 18 and studs 19, the collecting plate assembly 1 is convenient for resin to approach towards the middle, the heating ceramic ring placing groove 11 is arranged at the center of the top surface of the collecting plate assembly 1, the heating ceramic ring placing groove 11 is kept at a constant temperature of 35 ℃ so that the resin can maintain the best performance, the first sealing rings 12 are arranged on the periphery of the heating ceramic ring placing groove 11 at equal intervals, six first sealing rings 12 are arranged, the studs 19 are arranged between every two first sealing rings 12, through holes 111 are arranged on the side wall of the collecting plate assembly 1 at equal intervals, the spring 13, the steel ball 14 and the first cleaning air pipe joint 15 are sequentially arranged in the through holes 111, the spring 13 is arranged at the innermost part, the outer part of the spring 13 is abutted with a steel ball 14, the spring 13 and the steel ball 14 can seal the reverse hole of the cleaning air passage to prevent the resin from flowing back into the cleaning air passage, a first cleaning air pipe joint 15 is abutted to the outer part of the steel ball 14, the first cleaning air pipe joint 15 adopts a transparent air pipe, can monitor whether the pressure of the resin is overlarge in real time and flow back into the cleaning air passage, the first cleaning air pipe joint 15 is connected with the through hole 111 through thread engagement, the first cleaning air pipe joint 15 is sleeved with a cleaning air pipe 16, the cleaning air pipe 16 can monitor whether the resin is poured into the air passage in real time, the bottom central point department butt of collector plate subassembly 1 have second sealing washer 18, the bottom of second sealing washer 18 be provided with full-color resin shower nozzle 17, full-color resin shower nozzle 17 pass through fastening bolt and collector plate subassembly 1 fixed connection.
Further, the color source casing 2 contain needle valve assembly 21, heating ceramic ring 22, the clean air pipe joint 23 of second, resin input connector 24, temperature sensor 25, clean air pipe joint 26, clean air pipe 27, the top surface center department of color source casing 2 be provided with clean air pipe joint 26, the top of clean air pipe joint 26 be provided with clean air pipe 27, clean air pipe 27 can in time clear up the residual resin of material way, prevent to block up, clean air pipe 27's side department be provided with temperature sensor 25, the steerable heating ceramic ring 22 of temperature sensor 25 constant temperature about 35 ℃ for resin performance is best, the periphery of clean air pipe 27 equidistant needle valve assembly 21 that is provided with, needle valve assembly 21 contain fixation nut 211, needle valve piston 212, needle valve piston sealing ring 213, A needle valve 214, a needle valve opening spring 215, the needle valve opening spring 215 is arranged at the bottom of the needle valve component 21, the needle valve piston sealing ring 213 is arranged on the needle valve piston 212, the bottom end of the needle valve 214 penetrates through a needle valve opening spring 215, the top end of the needle valve 214 penetrates through the needle valve piston 212 and is fixedly connected with the needle valve piston through a fixing nut 211, resin flows into the collector plate assembly 1 from the color source housing 2 through the needle valve assembly 21, the side wall of the color source shell 2 is provided with second cleaning air pipe joints 23 at equal intervals, the other end of the cleaning air pipe 16 is connected with the second cleaning air pipe joint 23, the second cleaning air pipe joint 23 adopts a transparent air pipe, whether the pressure of the resin is overlarge or not can be monitored in real time, the resin flows back into the cleaning air passage, a resin input joint 24 is arranged on the side edge of the second cleaning air pipe joint 23, and a heating ceramic ring 22 is arranged at the center of the bottom of the color source shell 2.
Further, the piezoelectric ceramic assembly 3 comprises a micrometer 31, a triangular fixing plate 32, a piezoelectric ceramic module 33, a piezoelectric ceramic module adjusting spring 34, a piezoelectric ceramic module fixing plate 35 and a piezoelectric ceramic module fixing locking screw 36, the triangular fixing plate 32 is arranged at the top of the piezoelectric ceramic assembly 3 at equal intervals, the micrometer 31 is arranged on the triangular fixing plate 32, the micrometer 31 is used for adjusting the opening of the needle valve assembly 21 and controlling the resin spraying amount, the bottom of the micrometer 31 is connected with the piezoelectric ceramic module 33, the resonance frequency of the piezoelectric ceramic module 33 is 30kHz and the action stroke is 19 μm, the piezoelectric ceramic module adjusting spring 34 is arranged at the bottom of the piezoelectric ceramic module 33, the piezoelectric ceramic module fixing plate 35 is arranged on the side wall of the piezoelectric ceramic assembly 3 at equal intervals, and the piezoelectric ceramic module fixing plate 35 is fixed with the piezoelectric ceramic assembly 3 through the piezoelectric ceramic module fixing locking screw 36 And (4) connecting.
Furthermore, the assembly formed by connecting the first cleaning air pipe joint 15, the cleaning air pipe 16 and the second cleaning air pipe joint 23 is provided with six groups.
Further, the needle valve assembly 21 is provided with six groups.
Further, the resin input joints 24 are provided with six groups.
Further, the micrometer 31 is provided with six sets.
Furthermore, six sets of the piezoelectric ceramic module fixing plate 35 and the piezoelectric ceramic module fixing locking screws 36 are provided.
The working principle of the invention is as follows: resin is poured into from resin input connector, the resin flows into the heating ceramic ring standing groove of mass flow plate subassembly through needle valve subassembly by the colour source casing in, the resin flows into full-color resin shower nozzle blowout through the heating ceramic ring standing groove of mass flow plate subassembly at last, at whole flow in-process, guarantee 35 ℃ through temperature sensor monitoring control heating ceramic ring standing groove and make the resin maintain the best performance, can in time promote the heat through heating ceramic ring, through the adjustable needle valve subassembly aperture of micrometer, the volume of spouting of control resin, can in time clear up the remaining resin of material way through clean trachea and clean main trachea, prevent to block up, clean trachea adopts transparent design, can real time monitoring whether too big the pouring air flue of resin pressure.
After the technical scheme is adopted, the invention has the beneficial effects that: photosensitive resin suitable for multiple viscosity, and integrated high-speed, high accuracy, high flexibility is in an organic whole, full-color resin shower nozzle is as injection system's execution unit, adopt piezoceramics material design driver part, the firing pin stroke is accurate controllable, impulse voltage adjustment firing pin speed, built-in temperature sensor, carry out to spray dispensing and contact dispensing task, realize 0.002 ul liquid jet volume, full-color resin shower nozzle adopts full piezoelectric mode, life can reach 15 hundred million times, adopt the bolt fastening mode, the dispensing is stable, the noise is little, the whole practicality is strong, great market spreading value has.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A full-color resin proportional injection valve based on piezoelectric ceramics is characterized in that: the color source module comprises a current collecting plate assembly (1), a color source shell (2) and a piezoelectric ceramic assembly (3), wherein the current collecting plate assembly (1), the color source shell (2) and the piezoelectric ceramic assembly (3) are fixedly connected through bolts from top to bottom in sequence, the color source shell (2) is arranged on the lower portion of the current collecting plate assembly (1), and the piezoelectric ceramic assembly (3) is arranged on the lower portion of the color source shell (2).
2. The full-color resin proportional injection valve based on piezoelectric ceramics according to claim 1, characterized in that: the collecting plate component (1) comprises a heating ceramic ring placing groove (11), first sealing rings (12), springs (13), steel balls (14), first cleaning air pipe connectors (15), cleaning air pipes (16), full-color resin spray heads (17), second sealing rings (18) and studs (19), wherein the heating ceramic ring placing groove (11) is arranged at the center of the top surface of the collecting plate component (1), the first sealing rings (12) are arranged on the periphery of the heating ceramic ring placing groove (11) at equal intervals, the number of the first sealing rings (12) is six, the studs (19) are arranged between every two first sealing rings (12), through holes (111) are arranged on the side wall of the collecting plate component (1) at equal intervals, the springs (13), the steel balls (14) and the first cleaning air pipe connectors (15) are sequentially arranged in the through holes (111), spring (13) set up at the innermost portion, the outside butt joint of spring (13) have steel ball (14), the outside butt joint of steel ball (14) have first clean air pipe connector (15), first clean air pipe connector (15) be connected with through-hole (111) through the screw thread meshing, first clean air pipe connector (15) on cup jointed clean trachea (16), the bottom central point department of putting of mass flow board subassembly (1) butt joint have second sealing washer (18), the bottom of second sealing washer (18) be provided with full-color resin shower nozzle (17), full-color resin shower nozzle (17) through fastening bolt and mass flow board subassembly (1) fixed connection.
3. The full-color resin proportional injection valve based on piezoelectric ceramics according to claim 1, characterized in that: the utility model discloses a color source casing (2) include needle valve subassembly (21), heating ceramic ring (22), the clean trachea of second connect (23), resin input connects (24), temperature sensor (25), clean trachea joint (26), clean trachea (27), the top surface center department of color source casing (2) be provided with clean trachea joint (26), the top of clean trachea joint (26) be provided with clean trachea (27), the side department of clean trachea (27) be provided with temperature sensor (25), the periphery of clean trachea (27) equidistant needle valve subassembly (21) that is provided with, needle valve subassembly (21) include fixation nut (211), needle valve piston (212), needle valve piston sealing ring (213), needle valve (214), needle valve opening spring (215) set up the bottom in needle valve subassembly (21), needle valve piston sealing ring (213) set up on needle valve piston (212), needle valve (214) bottom pass needle valve opening spring (215), the top passes needle valve piston (212) and through fixation nut (211) fixed connection, the lateral wall of look source casing (2) on equidistant clean air pipe connector (23) of second that is provided with, the side of the clean air pipe connector (23) of second be provided with resin input joint (24), the bottom central point department of putting of look source casing (2) be provided with heating ceramic ring (22).
4. The full-color resin proportional injection valve based on piezoelectric ceramics according to claim 1, characterized in that: the piezoelectric ceramic component (3) comprises a micrometer (31), a triangular fixing plate (32), a piezoelectric ceramic module (33), a piezoelectric ceramic module adjusting spring (34), a piezoelectric ceramic module fixing plate (35) and a piezoelectric ceramic module fixing locking screw (36), triangular fixing plates (32) are arranged at the top of the piezoelectric ceramic component (3) at equal intervals, a micrometer (31) is arranged on the triangular fixing plate (32), the bottom of the micrometer (31) is connected with a piezoelectric ceramic module (33), the bottom of the piezoelectric ceramic module (33) is provided with a piezoelectric ceramic module adjusting spring (34), the side wall of the piezoelectric ceramic component (3) is provided with piezoelectric ceramic module fixing plates (35) at equal intervals, the piezoelectric ceramic module fixing plate (35) is fixedly connected with the piezoelectric ceramic component (3) through a piezoelectric ceramic module fixing locking screw (36).
5. The full-color resin proportional injection valve based on piezoelectric ceramics according to claim 2, characterized in that: the first cleaning air pipe joint (15), the cleaning air pipe (16) and the second cleaning air pipe joint (23) are connected to form a component, and six groups of components are arranged.
6. The full-color resin proportional injection valve based on piezoelectric ceramics according to claim 3, characterized in that: the needle valve assembly (21) be provided with six groups, resin input joint (24) be provided with six groups.
7. The full-color resin proportional injection valve based on piezoelectric ceramics according to claim 4, characterized in that: the micrometer (31) is provided with six groups, and the piezoelectric ceramic module fixing plate (35) and the piezoelectric ceramic module fixing locking screws (36) are provided with six groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110051689.0A CN112622273A (en) | 2021-01-15 | 2021-01-15 | Full-color resin proportional injection valve based on piezoelectric ceramics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110051689.0A CN112622273A (en) | 2021-01-15 | 2021-01-15 | Full-color resin proportional injection valve based on piezoelectric ceramics |
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| CN112622273A true CN112622273A (en) | 2021-04-09 |
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| CN202110051689.0A Pending CN112622273A (en) | 2021-01-15 | 2021-01-15 | Full-color resin proportional injection valve based on piezoelectric ceramics |
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