CN107127065B - Fluid micro-jetting device and execution system thereof - Google Patents
Fluid micro-jetting device and execution system thereof Download PDFInfo
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- CN107127065B CN107127065B CN201710319032.1A CN201710319032A CN107127065B CN 107127065 B CN107127065 B CN 107127065B CN 201710319032 A CN201710319032 A CN 201710319032A CN 107127065 B CN107127065 B CN 107127065B
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- positioning
- actuating mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
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Abstract
The invention discloses an actuating system of a fluid micro-spraying device and the fluid micro-spraying device with the same, wherein the actuating system comprises: the base body is internally limited with an actuating mechanism installation cavity, and is provided with a positioning hole communicated with the actuating mechanism installation cavity; the movable element is movably arranged in the positioning hole; the actuating mechanism is movably arranged in the actuating mechanism mounting cavity and is connected with the movable element to control the movable element to move; the adjusting element is arranged in the actuating mechanism mounting cavity and is connected with the actuating mechanism so as to adjust the working position of the actuating mechanism; and the plurality of gap sheets are arranged between the inner wall surface of the actuating mechanism mounting cavity and the adjusting element so as to adjust the pretightening force of the actuating mechanism. According to the execution system of the fluid micro-jetting device, the pretightening force of the execution mechanism can be adjusted, so that the movable displacement of the movable element is adjusted to adjust the fluid jetting effect of the fluid micro-jetting device.
Description
Technical Field
The present invention relates to an actuator system for a fluid micro-jetting device and a fluid micro-jetting device having the actuator system.
Background
The prior fluid micro-jetting device adopts a flexible hinge mechanism or an operating element to drive a closing element to move for the second time through a lever, thereby realizing the micro-jetting of the fluid. The secondary motion causes abrasion to both ends of the closing element, the replacement frequency is increased, and the maintenance cost is increased; the lifting height of the closing element cannot be adjusted or the adjustment precision is not high, so that the impact force required by fluid injection cannot be adjusted or cannot be adjusted accurately, and the fluid injection effect cannot meet the requirement; the installation and the disassembly of related accessories are complicated, so that the assembly efficiency is low, and the maintenance and the replacement are inconvenient.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides an execution system of a fluid micro-injection device, which has the advantages of convenient precision adjustment and good fluid injection effect.
The invention also provides a fluid micro-spraying device with the execution system.
An implementation system of a fluid micro-jetting apparatus according to an embodiment of a first aspect of the invention includes: the device comprises a base body, a positioning hole and a positioning mechanism, wherein an execution mechanism installation cavity is limited in the base body, and the base body is provided with the positioning hole communicated with the execution mechanism installation cavity; the movable element is movably arranged in the positioning hole; the actuating mechanism is movably arranged in the actuating mechanism mounting cavity and is connected with the movable element to control the movable element to move; the adjusting element is arranged in the actuating mechanism mounting cavity and is connected with the actuating mechanism so as to adjust the working position of the actuating mechanism; the plurality of gap pieces are arranged between the inner wall surface of the actuating mechanism installation cavity and the adjusting element so as to adjust the pretightening force of the actuating mechanism.
According to the execution system of the fluid micro-jetting device, the number or the thickness of the clearance pieces can be adjusted by arranging the adjusting element and the clearance pieces which are matched with the execution mechanism, the pre-tightening force of the execution mechanism can be adjusted, and therefore the fluid jetting effect of the fluid micro-jetting device can be adjusted.
According to one embodiment of the invention, the actuator comprises: the lever is arranged in the execution mechanism mounting cavity, two ends of the lever can move, and the first end of the lever is connected with the movable element to control the movable element to move; the actuator is telescopically arranged in the actuator mounting cavity, the actuator is connected with the second end of the lever to adjust the working position of the actuator, and the gap sheet is arranged between the inner wall surface of the actuator mounting cavity and the adjusting element to adjust the pretightening force of the actuator; a controller coupled to the actuator to control the actuator to extend and retract.
According to one embodiment of the invention, the actuator further comprises: the swing pin shaft is arranged in the execution mechanism installation cavity, the axis of the swing pin shaft is perpendicular to the axis of the actuator and staggered in the horizontal direction, and the second end of the lever is connected with the swing pin shaft to pivot around the swing pin shaft.
According to one embodiment of the present invention, the swing pin is formed in a cylindrical shape, the base is provided with a positioning groove adapted to mount the swing pin, the lower surface of the second end of the lever is provided with a fitting concave surface fitted with the swing pin, and the swing pin is disposed between the positioning groove and the fitting concave surface.
According to an embodiment of the present invention, a cross section of the positioning groove is formed in a circular arc shape and a radius of the positioning groove is equal to a radius of the swing pin shaft, and a cross section of the fitting concave surface is formed in a circular arc shape and a radius of the fitting concave surface is larger than a radius of the swing pin shaft.
According to one embodiment of the invention, one end of the swing pin shaft is provided with an end boss which abuts against the bottom surface of the second end of the lever to limit the installation height of the lever.
According to one embodiment of the invention, the adjustment element is arranged at the upper end of the actuator and an actuator upper top block is arranged between the adjustment element and the upper end of the actuator, and an actuator lower top block is arranged between the lower end of the actuator and the second end of the lever, and the actuator lower top block stops against the lower end of the actuator and the second end of the lever.
According to an embodiment of the present invention, a lower surface of the adjustment member is formed as an upwardly concave arc surface, an upper surface of the actuator upper top block is formed as an upwardly convex arc surface, and a radius of the upper surface of the actuator upper top block is smaller than a radius of the lower surface of the adjustment member.
According to an embodiment of the present invention, an upper surface of the second end of the lever is provided with a first protrusion having a circular arc-shaped cross section, and a lower surface of the actuator lower top block is provided with a notch having a circular arc-shaped cross section and a radius of the first protrusion is smaller than a radius of the notch.
According to an embodiment of the present invention, a lower surface of the first end of the lever is provided with a second protrusion having a circular arc-shaped cross section and abutting against an upper end surface of the movable member.
According to one embodiment of the invention, the execution system comprises: the guide seat is arranged in the positioning hole, a guide hole which is communicated along the axial direction of the guide seat is arranged in the guide seat, and the movable element is movably arranged on the guide seat along the axial direction of the guide hole.
According to one embodiment of the invention, the movable element comprises: the cylindrical shaft is movably arranged in the guide hole along the axial direction of the cylindrical shaft, and the lower end of the cylindrical shaft is formed into a ball head; the upper end platform is arranged at the upper end of the cylindrical shaft, the size of the upper end platform is larger than the radius of the cylindrical shaft, and a first elastic element is arranged between the upper end platform and the guide seat.
According to an embodiment of the present invention, the guide seat includes: the positioning boss is detachably arranged in the positioning hole; the epirelief cylinder, the epirelief cylinder is established location boss upper portion and with the coaxial setting of location boss, the cylindrical radial dimension of epirelief is less than the radial dimension of location boss, the guiding hole link up the epirelief cylinder with the location boss, first elastic element forms to establish the cover and establishes just both ends end respectively on the epirelief cylinder the location boss with the spring of upper end platform.
According to an embodiment of the present invention, a positioning groove having a radial dimension larger than that of the positioning hole is provided at one end of the positioning hole communicating with the actuator mounting cavity, and the actuator system further includes: the positioning seat is arranged in the positioning groove, and the guide seat axially penetrates through the positioning seat; and the second elastic element is arranged between the positioning seat and the first end of the lever.
According to an embodiment of the present invention, the second elastic element is formed as a spring, and two ends of the second elastic element respectively abut against an upper surface of the positioning seat and a lower surface of the first end of the lever.
According to one embodiment of the present invention, the outer contour of the positioning socket is formed in a substantially square shape, the outer periphery of the upper surface of the positioning socket is provided with a plurality of protrusions arranged at intervals along the circumferential direction thereof, and the inner surface of each protrusion is formed into an arc-shaped surface corresponding to the outer contour shape of the second elastic element.
A fluid micro-ejection device according to an embodiment of a second aspect of the invention includes an implementation system of the fluid micro-ejection device according to the above-described embodiments.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of an implementation system of a fluid micro-jetting apparatus, according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a substrate of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a lever of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a swing pin of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the invention;
FIG. 5 is a schematic diagram of the structure of the moving elements of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a guide shoe of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a top block on an actuator of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a lower actuator top block of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a tuning element of an actuator system of a fluid micro-jetting apparatus, according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a positioning socket of an actuator system of a fluid micro-jetting apparatus according to an embodiment of the invention.
Reference numerals:
an execution system 100;
a base 110; an actuator mounting cavity 111; a positioning hole 112; a positioning recess 1121; a positioning groove 113; a controller mounting cavity 114;
a movable element 120; a cylindrical shaft 121; a ball head 122; an upper end platform 123;
an adjustment element 130;
a lever 141; a mating concave surface 1411; the first protrusions 1412; a second protrusion 1413;
an actuator 142; a controller 143; an actuator upper top block 144; an actuator lower top block 145; notch 1451; a swing pin 146; an end boss 1461;
a guide seat 150; a guide hole 151; a positioning boss 152; a mounting slot 1521; an upwardly convex cylinder 153;
a first elastic member 160;
a positioning seat 170; a protrusion 171;
a second elastic member 180.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An exemplary system 100 for a fluid micro-jetting apparatus according to an embodiment of the present invention is described in detail below with reference to the drawings.
As shown in fig. 1-9, an actuator system 100 of a fluid micro-jetting device according to an embodiment of the present invention includes a base 110, a movable element 120, an actuator, an adjustment element 130, and a plurality of gap pieces.
Specifically, an actuator mounting cavity 111 is defined in the base 110, a positioning hole 112 communicating with the actuator mounting cavity 111 is formed in the base 110, the movable element 120 is movably disposed in the positioning hole 112, the actuator is movably disposed in the actuator mounting cavity 111, the actuator is connected to the movable element 120 to control the movable element 120 to move, the adjusting element 130 is disposed in the actuator mounting cavity 111 and connected to the actuator to adjust a working position of the actuator, and the plurality of gap pieces are disposed between an inner wall surface of the actuator mounting cavity 111 and the adjusting element 130 to adjust a pre-tightening force of the actuator.
As shown in fig. 2, an actuator mounting cavity 111 and a positioning hole 112 are formed in the base 110, the actuator is mounted in the actuator mounting cavity 111, the movable element 120 is disposed in the positioning hole 112 and is engaged with the actuator to be driven by the actuator, the adjusting element 130 is also disposed in the actuator mounting cavity 111 and is connected to at least a portion of the actuator to adjust a working position of the actuator, a plurality of gap pieces are disposed between the adjusting element 130 and an inner wall of the actuator mounting cavity 111, and the number or thickness of the gap pieces can be adjusted, so that the actuator can be pressed to different degrees, and the actuator can achieve a better initial movement state by pressing the actuator, thereby achieving a purpose of adjusting a fluid ejection effect of the ejection system 100.
It should be noted that the fluid micro-jetting apparatus according to the embodiment of the invention may be composed of an execution system 100 and a flow channel assembly, wherein the execution system 100 is mainly used for controlling the operation of the movable element 120, the flow channel assembly is provided with a flow channel communicated with the fluid containing structure, and the execution system 100 may open or close a nozzle of the flow channel assembly when cooperating with the flow channel assembly by controlling the operation or non-operation and the operation displacement of the movable element 120, so as to achieve the purpose of opening or closing the fluid micro-jetting apparatus or adjusting the jetting effect of the fluid micro-jetting apparatus. The structure of the flow channel assembly is understood and readily implemented by those skilled in the art and will not be described in detail.
Therefore, according to the actuator system 100 of the fluid micro-jetting device of the embodiment of the invention, the number or thickness of the gap pieces can be adjusted by arranging the adjusting element 130 and the plurality of gap pieces which are matched with the actuator mechanism, so that the pre-tightening force of the actuator mechanism can be adjusted, the actuator mechanism can achieve better pre-tightening force, and the fluid jetting effect of the fluid micro-jetting device can be adjusted.
According to one embodiment of the present invention, the actuator includes a lever 141, an actuator 142, and a controller 143.
Specifically, the lever 141 is disposed in the actuator mounting cavity 111, two ends of the lever 141 are movable, a first end of the lever 141 is connected to the movable element 120 to control the movable element 120 to move, the actuator 142 is disposed in the actuator mounting cavity 111 in a telescopic manner, the actuator 142 is connected to a second end of the lever 141 to control the movement of the lever 141, the adjusting element 130 is connected to the actuator 142 to adjust an actuating position of the actuator, the spacer is disposed between an inner wall surface of the actuator mounting cavity 111 and the adjusting element 130 to adjust a pre-tightening force of the actuator 142, and the controller 143 is connected to the actuator 142 to control the actuator 142 to extend and retract.
As shown in fig. 1, the left end in the drawing is a first end of the lever 141, the right end in the drawing is a second end of the lever 141, the lever 141 is rotatable about an axis in the horizontal direction, and the left end of the lever 141 is connected to the upper end of the movable member 120 to drive the movable member 120 to be movable in the up-down direction when moving up and down. The actuator 142 is provided at a right end of the lever 141 and is extendable and retractable in the up-down direction, a lower end of the actuator 142 is connected to the right end of the lever 141, and the actuator 142 is extendable and retractable in the up-down direction to press or release the right end of the lever 141. The adjusting element 130 is connected to the upper end of the actuator 142, and the acting force for pressing the actuator 142 downward can be adjusted by adjusting the number or thickness of the gap pieces between the inner wall surface of the actuator mounting cavity 111 and the adjusting element 130, so that the acting force for pressing the actuator 142 downward to the right end of the lever 141 is adjusted, the actuator 142 is brought to a better initial state of movement, and the movement displacement of the actuator is realized by different displacements generated by the actuator 142 under different voltages. In addition, a controller mounting cavity 114 for mounting the controller 143 may be provided in the base 110.
Therefore, according to the actuating system 100 of the embodiment of the present invention, the movable displacement of the movable element 120 can be conveniently adjusted by the cooperation of the lever 141, the actuator 142 and the adjusting element 130, so as to achieve the purpose of adjusting the fluid ejection effect of the fluid micro-ejection device, and the actuating system has the advantages of simple structure and convenient operation, and can more accurately adjust the movable displacement of the movable element 120 by controlling the thickness of the gap piece.
According to one embodiment of the invention, the actuator further comprises: and the swinging pin shaft 146, the swinging pin shaft 146 is arranged in the actuator mounting cavity 111, the axis of the swinging pin shaft 146 is vertical to the axis of the actuator 142 and staggered in the horizontal direction, and the second end of the lever 141 is connected with the swinging pin shaft 146 to pivot around the swinging pin shaft 146.
Further, the swing pin 146 is formed in a column shape, the base 110 is provided with a positioning groove 113 adapted to mount the swing pin 146, the lower surface of the second end of the lever 141 is provided with a concave surface 1411 matched with the swing pin 146, and the swing pin 146 is disposed between the positioning groove 113 and the concave surface 1411.
Specifically, as shown in fig. 1 and fig. 2, a positioning groove 113 is formed in the base 110, a swing pin 146 is disposed in the positioning groove 113, a fitting concave surface 1411 is disposed on a lower surface of a right end of the lever 141, the fitting concave surface 1411 is fitted with the swing pin 146, and the lever 141 is pivotally disposed in the actuator mounting cavity 111 around an axis of the swing pin 146. It should be noted that the axis of the actuator 142 is horizontally offset from the axis of the pivot pin 146, and in the present application, the contact point of the actuator 142 with the lever 141 is located on the left side of the pivot pin 146, i.e., the contact point of the lever 141 with the movable element 120 and the contact point of the lever 141 with the actuator 142 are located on the same side of the pivot pin 146. Therefore, when the actuator 142 extends and contracts, the movable displacement of the right end of the lever 141 caused by applying a force to the right end of the lever 141 can be amplified at the left end of the lever 141, so that the displacement of the movable element 120 can be conveniently adjusted by performing small displacement adjustment at the right end of the lever 141, and the adjustment is more convenient and accurate.
In some embodiments of the present invention, the cross section of the positioning groove 113 is formed into an arc shape, and the radius of the positioning groove 113 is equal to the radius of the swing pin 146, so that the swing pin 146 can be positioned in the positioning groove 113 and remain stationary, and the cross section of the concave matching surface 1411 is formed into an arc shape, and the radius of the concave matching surface 1411 is greater than the radius of the swing pin 146, which is beneficial to forming a rotation line contact, reducing the influence of friction force, and ensuring the displacement and force transmission of the actuator 142.
Alternatively, according to an embodiment of the present invention, one end of the swing pin 146 is provided with an end boss 1461, and the end boss 1461 abuts against a bottom surface of the second end of the lever 141 to limit the installation height of the lever 141. Specifically, as shown in fig. 4, a semicircular end boss 1461 is disposed at one end of the swing pin 146, and the end boss 1461 abuts against a bottom surface of the right end of the lever 141, so as to limit the installation height of the lever 141 and facilitate assembly.
In some embodiments of the present invention, as shown in fig. 1, the adjusting element 130 is disposed at the upper end of the actuator 142 and an actuator upper top block 144 is disposed between the adjusting element 130 and the upper end of the actuator 142, an actuator lower top block 145 is disposed between the lower end of the actuator 142 and the second end of the lever 141, and the actuator lower top block 145 stops against the lower end of the actuator 142 and the second end of the lever 141.
That is, the upper and lower ends of the actuator 142 are respectively provided with a top block structure to prevent the actuator 142 from directly contacting the lever 141 or the base 110, wherein the upper end of the actuator 142 is provided with an actuator upper top block 144, the lower end of the actuator 142 is provided with an actuator lower top block 145, the actuator 142 abuts against the adjustment element 130 through the actuator upper top block 144, and the actuator 142 abuts against the lever 141 through the actuator lower top block 145.
According to one embodiment of the present invention, the lower surface of the adjustment member 130 is formed as an upwardly concave arc surface, the upper surface of the actuator upper top block 144 is formed as an upwardly convex arc surface, and the radius of the upper surface of the actuator upper top block 144 is smaller than that of the lower surface of the adjustment member 130.
As shown in fig. 1, in the present application, the surfaces of the adjustment member 130 that mate with the actuator upper top piece 144 are each formed as an arcuate surface, whereby lateral displacement of the actuator 142 can be limited, and the convex radius of the upper surface of the actuator upper top piece 144 is smaller than the concave radius of the adjustment member 130, whereby point contact can be made, facilitating automatic adjustment of the spatial position of the actuator 142.
Alternatively, in some embodiments of the present invention, an upper surface of the second end of the lever 141 is provided with a first protrusion 1412, a cross-section of the first protrusion 1412 is formed in a circular arc shape, a lower surface of the actuator lower top block 145 is provided with a notch 1451, a cross-section of the notch 1451 is formed in a circular arc shape and a radius of the first protrusion 1412 is smaller than a radius of the notch 1451.
Further, a lower surface of the first end of the lever 141 is provided with a second protrusion 1413, and a cross section of the second protrusion 1413 is formed in a circular arc shape and abuts against an upper end surface of the movable element 120.
Specifically, as shown in fig. 1 and 3, a first protrusion 1412 is disposed on an upper surface of a right end of the lever 141, a recess 1451 is disposed on a lower surface of the actuator lower top block 145, and a concave radius is larger than a convex radius of the protrusion, so as to facilitate forming a line contact, reduce friction influence, and ensure displacement and force transmission of the actuator 142. The lower surface of the left end of the lever 141 is provided with a second protrusion 1413, the second protrusion 1413 stops against the upper end surface of the movable element 120, and the arc-shaped protrusion structure is beneficial to forming line contact and reducing the influence of friction force.
The lever 141 is a high-rigidity structure, and ensures that each contact surface is not deformed to influence the transmission of displacement and impact force in the long-term working process.
According to an embodiment of the present invention, the actuator system 100 of the fluid micro-jetting apparatus further includes a guide base 150, the guide base 150 is disposed in the positioning hole 112, the guide base 150 is disposed with a guide hole 151 axially penetrating therethrough, and the movable element 120 is movably disposed on the guide base 150 along the axial direction of the guide hole 151. Therefore, the moving track of the movable element 120 can be ensured, and the operation stability of the movable element can be improved.
Alternatively, as shown in fig. 5, the movable member 120 includes a cylindrical shaft 121 and an upper end platform 123. The cylindrical shaft 121 is movably disposed in the guide hole 151 along an axial direction thereof, a lower end of the cylindrical shaft 121 is formed as a ball head 122, an upper end platform 123 is disposed at an upper end of the cylindrical shaft 121, the size of the upper end platform 123 is larger than a radius of the cylindrical shaft 121, and a first elastic element 160 is disposed between the upper end platform 123 and the guide seat 150.
The cylindrical shaft 121 is perpendicular to the upper stage 123 and is engaged with the guide hole 151, so that the movable member 120 moves up and down along the guide hole 151, and the ball 122 is coaxially and closely contacted with the nozzle axis of the flow channel assembly, so that the fluid can be sealed in the flow channel assembly.
Therefore, by arranging the first elastic element 160 between the movable element 120 and the guide seat 150, after the acting force of the lever 141 on the movable element 120 disappears, the movable element 120 can return to the initial position under the restoring force of the first elastic element 160, so that the opening and closing and the adjustment of the flow channel assembly are realized, and the use and the operation are more convenient.
In some embodiments of the present invention, the guide seat 150 includes a positioning boss 152 and an upper convex cylinder 153, wherein the positioning boss 152 is detachably disposed in the positioning hole 112, for example, it may be a threaded connection, when the positioning boss 152 is screwed into the positioning hole 112 of the base 110, the bottom surface of the positioning boss 152 is flush with the bottom surface of the base 110, and the axis of the guide seat 150 is coaxial with the positioning hole 112 and perpendicular to the bottom surface of the base 110.
The upper convex cylinder 153 is arranged on the upper portion of the positioning boss 152 and is coaxial with the positioning boss 152, the radial size of the upper convex cylinder 153 is smaller than that of the positioning boss 142, the guide hole 151 penetrates through the upper convex cylinder 153 and the positioning boss 152, and the first elastic element 160 is formed as a spring which is sleeved on the upper convex cylinder 153 and two ends of which respectively abut against the positioning boss 152 and the upper end platform 123. Therefore, the guide seat 150 of the structure is matched with a spring, so that the stability of the assembly of the spring can be ensured, and meanwhile, the upper end platform 123 transmits the reverse force of the first elastic element 60 to the base body 110, so that the stability of the force value is ensured.
In addition, the positioning boss 152 may further be provided with an installation notch 1521, so as to facilitate the embedded fit of the positioning boss 152, and facilitate the installation and detachment of the guide seat 150 and the base 110.
According to an embodiment of the present invention, one end of the positioning hole 112 communicating with the actuator mounting cavity 111 is provided with a positioning groove 1121 having a radial dimension larger than that of the positioning hole 112, and the actuator system 100 further includes a positioning seat 170 and a second elastic element 180.
Specifically, the positioning seat 170 is disposed in the positioning groove 1121, the guiding seat 150 axially passes through the positioning seat 170, and the second elastic element 180 is disposed between the positioning seat 170 and the first end of the lever 141. Alternatively, the second elastic element 180 is formed as a spring, and two ends of the second elastic element 180 respectively abut against the upper surface of the positioning seat 170 and the lower surface of the first end of the lever 141.
That is to say, the positioning seat 170 is further disposed in the positioning hole 112, the positioning seat 170 is fixed in the positioning groove 1121 of the positioning seat 112, the second elastic element 180 is disposed between the positioning seat 170 and the left end of the lever 141, and the second elastic element 180 is disposed on the spring sleeved outside the first elastic element 160.
The upper end face of the second elastic element 180 is perpendicular to the axis of the second elastic element 180 and is in close contact with the bottom of the left end of the lever 141, so that the force acting on the lever 141 can be conveniently transmitted, the lever 141 can timely reach a corresponding position, the lower end face of the second elastic element 180 is perpendicular to the axis of the second elastic element 180 and is in close contact with the positioning seat 170, the reverse force is transmitted to the base body 110 through the positioning seat 170, the force value is ensured to be stable, and the outer diameter of the second elastic element 180 is matched with the counter bore in the positioning seat 170, so that the position stability of the second elastic element 180 can be conveniently ensured.
As shown in fig. 10, according to an embodiment of the present invention, the outer profile of the positioning socket 170 is formed in a substantially square shape, the outer periphery of the upper surface of the positioning socket 170 is provided with a plurality of protrusions 171 arranged at intervals along the circumferential direction thereof, and the inner surface of each protrusion 171 is respectively formed in an arc-shaped surface corresponding to the outer profile shape of the second elastic member 180. The inner surface of the protrusion 171 forms an arc surface, which can be matched with the outer diameter of the second elastic element 180, so as to ensure the position stability of the second elastic element 180, and the structure of the protrusion 171 can limit the position of the second elastic element 180, thereby improving the structural stability thereof.
The assembly process and assembly features of the fluid micro-jetting apparatus execution system 100 according to embodiments of the present invention are described in detail below.
Firstly, the positioning seat 170 and the second elastic element 180 are assembled and then are installed in the positioning groove 1121 of the base 110, and the bottom surface of the positioning seat 170 is attached to the bottom surface of the positioning groove 1121. The swing pin 146 is then loaded into the positioning slot 113 with the end boss 1461 of the swing pin 146 facing downward. Then the lever 141 is installed, the matching concave surface 1411 of the lever 141 is assembled with the swing pin 146, the left end is attached to the upper end surface of the second elastic element 180, and the lower plane is attached to the boss surface of the end boss 1461.
The assembly characteristics of the components of the actuator system 100 of the fluid micro-jetting device are as follows:
the actuator 142 needs to be tightly fitted with the actuator upper top block 144 and the actuator lower top block 145, and bonding may be used. In bonding, it is necessary to calibrate the position of the three pieces using gauge blocks, ensuring that the center of sphere of top block 144 on the actuator is on the axis of piezoelectric actuator 142 and the concave axis of notch 1451 of bottom block 145 of the actuator intersects and is perpendicular to the axis of piezoelectric actuator 142.
During assembly, the lever 141 can be moved downwards by means of an assembly tool, the second elastic element 180 is compressed, the convex surface position of the right end of the lever 141 is lowered, and the piezoelectric actuator 142 bonded with the actuator upper top block 144 and the actuator lower top block 145 is convenient to mount; prior to installation of piezoelectric actuator 142, adjustment member 130 is installed into the adjustment recess of base 110 of actuator system 100, the arcuate convex surface of actuator upper top piece 144 is installed into the arcuate concave surface of adjustment member 130, and notch 1451 of actuator lower top piece 145 is then assembled with first protrusion 1412 of lever 141.
A gap piece with a certain thickness is added between the plane of the adjusting element 130 and the upper plane of the adjusting groove of the base body 110, so that the acting force of the second elastic element 180 acting on the left end of the lever 141 in the opposite direction and the acting force of the piezoelectric actuator 142 acting on the right end of the lever 141 are balanced, a pre-tightening force is applied to the piezoelectric actuator 142, and the lever 141 at the moment is ensured to be in a horizontal state.
The first elastic element 160 is sleeved on the upper convex column 153 of the guide seat 150, the movable element 120 is installed into the guide hole 151 of the guide seat 150 from the middle of the first elastic element, then the guide seat 150 is screwed into the positioning hole 112 of the execution system base body 110, so that the positioning boss 152 of the guide seat 150 is matched and fastened with the positioning hole 112 of the execution system base body 110, and meanwhile, the upper plane of the movable element 120 is completely attached to the left end convex surface of the lever 141, so that the displacement and the acting force transmitted by the piezoelectric actuator 142 through the lever 141 are fully transmitted to the movable element 120, and the lifting height and the impact force of the movable element 120 are controllable.
The fluid micro-ejection device according to the embodiment of the invention includes the actuator system 100 of the fluid micro-ejection device according to the above-described embodiment, and since the actuator system 100 according to the above-described embodiment of the invention has the above-described technical effects, the fluid micro-ejection device according to the embodiment of the invention also has a corresponding technical effect, i.e., the fluid ejection effect can be effectively adjusted.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (16)
1. An actuator system for a fluid microjet device, comprising:
the device comprises a base body, a positioning hole and a positioning mechanism, wherein an execution mechanism installation cavity is limited in the base body, and the base body is provided with the positioning hole communicated with the execution mechanism installation cavity;
the movable element is movably arranged in the positioning hole;
the actuating mechanism is movably arranged in the actuating mechanism mounting cavity and is connected with the movable element to control the movable element to move;
the adjusting element is arranged in the actuating mechanism mounting cavity and is connected with the actuating mechanism to adjust the working position of the actuating mechanism, the actuating mechanism comprises an actuator, the actuator is telescopically arranged in the actuating mechanism mounting cavity, and the adjusting element is connected with the actuator to adjust the working position of the actuator;
a plurality of clearance pieces which are arranged between the inner wall surface of the actuating mechanism installation cavity and the adjusting element to adjust the pretightening force of the actuator,
the adjusting element is arranged at the upper end of the actuator, an actuator upper ejector block is arranged between the adjusting element and the upper end of the actuator, the lower surface of the adjusting element is formed into an arc-shaped surface which is concave upwards, the upper surface of the actuator upper ejector block is formed into an arc-shaped surface which is convex upwards, and the radius of the upper surface of the actuator upper ejector block is smaller than that of the lower surface of the adjusting element.
2. The system of claim 1, wherein the actuator comprises:
the lever is arranged in the execution mechanism mounting cavity, two ends of the lever can move, the first end of the lever is connected with the movable element to control the movable element to move,
the actuator is connected with the second end of the lever to control the lever to move;
a controller coupled to the actuator to control the actuator to extend and retract.
3. The system of claim 2, wherein the actuator further comprises: the swing pin shaft is arranged in the execution mechanism installation cavity, the axis of the swing pin shaft is perpendicular to the axis of the actuator and staggered in the horizontal direction, and the second end of the lever is connected with the swing pin shaft to pivot around the swing pin shaft.
4. The actuator system of claim 3, wherein the pivot pin is formed in a cylindrical shape, the base has a positioning groove adapted to receive the pivot pin, the lower surface of the second end of the lever has a concave surface adapted to engage with the pivot pin, and the pivot pin is disposed between the positioning groove and the concave surface.
5. The actuator system of claim 4, wherein the cross-section of the positioning groove is formed in a circular arc shape and the radius of the positioning groove is equal to the radius of the swing pin, and the cross-section of the concave fitting surface is formed in a circular arc shape and the radius of the concave fitting surface is greater than the radius of the swing pin.
6. The actuator system of claim 4, wherein the swing pin has an end boss at one end thereof, the end boss abutting against a bottom surface of the second end of the lever to limit a mounting height of the lever.
7. The system of claim 2, wherein an actuator lower stop is disposed between the lower end of the actuator and the second end of the lever, the actuator lower stop abutting the lower end of the actuator and the second end of the lever.
8. The actuator system of claim 7, wherein the lever has a first protrusion formed in a circular arc shape in cross section on an upper surface of the second end thereof, and a recess formed in a lower surface of the actuator lower top block and having a circular arc shape in cross section and a radius smaller than that of the recess.
9. The actuator system of claim 2, wherein a lower surface of the first end of the lever is provided with a second protrusion having a circular arc-shaped cross section and abutting against an upper end surface of the movable member.
10. The system of claim 2, further comprising: the guide seat is arranged in the positioning hole, a guide hole which is communicated along the axial direction of the guide seat is arranged in the guide seat, and the movable element is movably arranged on the guide seat along the axial direction of the guide hole.
11. The system of claim 10, wherein the movable element comprises:
the cylindrical shaft is movably arranged in the guide hole along the axial direction of the cylindrical shaft, and the lower end of the cylindrical shaft is formed into a ball head;
the upper end platform is arranged at the upper end of the cylindrical shaft, the size of the upper end platform is larger than the radius of the cylindrical shaft, and a first elastic element is arranged between the upper end platform and the guide seat.
12. The system of claim 11, wherein the guide housing comprises:
the positioning boss is detachably arranged in the positioning hole;
the epirelief cylinder, the epirelief cylinder is established location boss upper portion and with the coaxial setting of location boss, the cylindrical radial dimension of epirelief is less than the radial dimension of location boss, the guiding hole link up the epirelief cylinder with the location boss, first elastic element forms to establish the cover and establishes just both ends end respectively on the epirelief cylinder the location boss with the spring of upper end platform.
13. The actuator system of claim 10, wherein an end of the positioning hole communicating with the actuator mounting chamber is provided with a positioning groove having a radial dimension larger than a radial dimension of the positioning hole, and the actuator system further comprises:
the positioning seat is arranged in the positioning groove, and the guide seat axially penetrates through the positioning seat;
and the second elastic element is arranged between the positioning seat and the first end of the lever.
14. The actuator system of claim 13, wherein the second resilient member is formed as a spring, and two ends of the second resilient member respectively abut against an upper surface of the positioning seat and a lower surface of the first end of the lever.
15. The actuator system of claim 14, wherein the positioning socket has an outer contour substantially formed in a square shape, the outer periphery of the upper surface of the positioning socket is provided with a plurality of protrusions spaced apart along the circumference thereof, and the inner surface of each protrusion is formed in an arc shape corresponding to the outer contour of the second elastic member.
16. A fluid micro-jetting device, comprising an implementation of the fluid micro-jetting device of any one of claims 1-15.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319032.1A CN107127065B (en) | 2017-05-08 | 2017-05-08 | Fluid micro-jetting device and execution system thereof |
| US16/611,722 US11384860B2 (en) | 2017-05-08 | 2018-01-20 | Fluid micro-injection device and flow channel assembly thereof |
| KR1020197012450A KR102305696B1 (en) | 2017-05-08 | 2018-01-22 | Fluid micro-dispensing device and its execution system |
| PCT/CN2018/073582 WO2018205679A1 (en) | 2017-05-08 | 2018-01-22 | Fluid micro-injection device and execution system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319032.1A CN107127065B (en) | 2017-05-08 | 2017-05-08 | Fluid micro-jetting device and execution system thereof |
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| CN107127065A CN107127065A (en) | 2017-09-05 |
| CN107127065B true CN107127065B (en) | 2020-04-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107127064B (en) * | 2017-05-08 | 2019-09-27 | 常州铭赛机器人科技股份有限公司 | Fluid micro injection apparatus and its execution system |
| US11384860B2 (en) | 2017-05-08 | 2022-07-12 | Changzhou Mingseal Robot Technology Co., Ltd. | Fluid micro-injection device and flow channel assembly thereof |
| CN112387530B (en) * | 2020-10-26 | 2021-07-09 | 深圳市腾盛精密装备股份有限公司 | Novel accurate piezoelectricity injection valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2863512A1 (en) * | 2003-12-10 | 2005-06-17 | Itw Surfaces & Finitions | Spray gun for product e.g. paint, has bellow whose end directed towards product chamber includes joint to ensure tightness of needle that has scrap wall for joint, where needle is moved to and fro |
| EP1625892A1 (en) * | 2003-05-22 | 2006-02-15 | S.L. Industrias Penalver | Pneumatic, liquid-dispensing gun |
| CN1847707A (en) * | 2005-04-04 | 2006-10-18 | 诺信公司 | Dispenser having rotary actuator assembly |
| CN101479465A (en) * | 2006-07-07 | 2009-07-08 | 欧陆汽车有限责任公司 | Injection system and method for producing an injection system |
| CN203695245U (en) * | 2014-01-25 | 2014-07-09 | 许建中 | Nozzle |
| CN204312818U (en) * | 2014-12-12 | 2015-05-06 | 刘建芳 | A kind of sliding type piezo electric valve for discharging containing particle-liquid |
| CN104971840A (en) * | 2014-04-01 | 2015-10-14 | 万润科技股份有限公司 | Liquid material extrusion method and device |
| KR101625337B1 (en) * | 2015-10-02 | 2016-05-27 | 임정문 | Spray valve for high viscous fluid |
| CN206793960U (en) * | 2017-05-08 | 2017-12-26 | 常州铭赛机器人科技股份有限公司 | Fluid micro injection apparatus and its execution system |
-
2017
- 2017-05-08 CN CN201710319032.1A patent/CN107127065B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1625892A1 (en) * | 2003-05-22 | 2006-02-15 | S.L. Industrias Penalver | Pneumatic, liquid-dispensing gun |
| FR2863512A1 (en) * | 2003-12-10 | 2005-06-17 | Itw Surfaces & Finitions | Spray gun for product e.g. paint, has bellow whose end directed towards product chamber includes joint to ensure tightness of needle that has scrap wall for joint, where needle is moved to and fro |
| CN1847707A (en) * | 2005-04-04 | 2006-10-18 | 诺信公司 | Dispenser having rotary actuator assembly |
| CN101479465A (en) * | 2006-07-07 | 2009-07-08 | 欧陆汽车有限责任公司 | Injection system and method for producing an injection system |
| CN203695245U (en) * | 2014-01-25 | 2014-07-09 | 许建中 | Nozzle |
| CN104971840A (en) * | 2014-04-01 | 2015-10-14 | 万润科技股份有限公司 | Liquid material extrusion method and device |
| CN204312818U (en) * | 2014-12-12 | 2015-05-06 | 刘建芳 | A kind of sliding type piezo electric valve for discharging containing particle-liquid |
| KR101625337B1 (en) * | 2015-10-02 | 2016-05-27 | 임정문 | Spray valve for high viscous fluid |
| CN206793960U (en) * | 2017-05-08 | 2017-12-26 | 常州铭赛机器人科技股份有限公司 | Fluid micro injection apparatus and its execution system |
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