CN216965159U - Dispensing nozzle for lengthened piezoelectric injection valve - Google Patents
Dispensing nozzle for lengthened piezoelectric injection valve Download PDFInfo
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- CN216965159U CN216965159U CN202220480261.8U CN202220480261U CN216965159U CN 216965159 U CN216965159 U CN 216965159U CN 202220480261 U CN202220480261 U CN 202220480261U CN 216965159 U CN216965159 U CN 216965159U
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- glue
- dispensing nozzle
- glue outlet
- injection valve
- piezoelectric injection
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Abstract
The utility model relates to the technical field of electronic equipment packaging, in particular to a dispensing nozzle for an elongated piezoelectric injection valve. The dispensing nozzle for the lengthened piezoelectric injection valve comprises a glue inlet portion and a glue outlet portion, the glue inlet portion is of a cylinder structure, the glue outlet portion is of a cone structure, the glue inlet portion is communicated with the inside of the glue outlet portion, the axial length of the glue outlet portion is greater than the radial maximum length of the cross section of the glue inlet portion, the stroke of the glue outlet portion can be prolonged, the glue outlet portion is prevented from being blocked by the glue inlet portion and a product carrier, the glue outlet portion can be conveniently extended into the surface of a product to be dispensed of the carrier to dispense glue, or the glue outlet portion can be guaranteed to extend into the dispensing position inside the product to be dispensed, and the requirements of different dispensing positions are met. On the other hand, by prolonging the stroke of the glue outlet part, the instantaneous speed of the glue during ejection can be reduced, the spreading area of the glue can be smaller, the ratio of the height to the width of the formed glue line is higher, and the better glue dispensing quality can be ensured.
Description
Technical Field
The utility model relates to the technical field of electronic equipment packaging, in particular to a dispensing nozzle for an elongated piezoelectric injection valve.
Background
In the field of electronic device packaging technology, in order to bond a component to a workpiece, a dispenser is generally used to dispense glue on the workpiece. The glue dispenser is widely applied to the fields of electronics, aviation, optics, automobiles, clocks, jewelry, machinery, petroleum, medical treatment, packaging and the like, the existing glue dispenser comprises a glue dispensing device with a glue dispensing nozzle, a glue dispensing platform and a control system, the control system controls the movement of the glue dispensing platform and the glue dispensing device, a workpiece is placed on the glue dispensing platform, and after the glue dispensing device takes glue from a glue disc, the glue dispensing device moves above the glue dispensing platform to perform glue dispensing processing on the workpiece.
In the glue dispensing nozzle in the prior art, the stroke of the flow channel is short, and the nozzle main body at the glue outlet is too close, so that glue can not enter the narrow glue dispensing position in space for dispensing.
Therefore, there is a need for an elongated dispensing nozzle for a piezo-electric injection valve to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dispensing nozzle for an elongated piezoelectric injection valve, which can ensure that the clearance between an upper die and a lower die of a die can be rapidly adjusted, and improve the efficiency of producing a target product by using a compression die.
To achieve the purpose, the utility model adopts the following scheme:
the utility model provides a dispensing nozzle for elongated piezoelectric injection valve, is including advancing gluey portion and going out gluey portion, should advance gluey portion and be the cylinder structure, should go out gluey portion and be the cone structure, should advance gluey portion and should go out gluey portion inside intercommunication, should go out the axial length of gluing the portion and be greater than the radial maximum length of cross-section that should advance gluey portion.
As an alternative, a glue containing cavity, a flow channel, a transition area and a glue outlet channel are arranged in the dispensing nozzle for the lengthened piezoelectric injection valve from top to bottom, the glue containing cavity is communicated with the flow channel, the flow channel is communicated with the glue outlet channel, and the transition area is arranged between the flow channel and the glue outlet channel.
As an alternative, the cross sections of the flow channel and the glue outlet channel are both circular, the diameter of the flow channel is larger than that of the glue outlet channel, the length of the glue outlet channel is 0.2 mm-8 mm, and the diameter of the glue outlet channel is 0.02 mm-0.6 mm.
Alternatively, the diameter of the flow passage is 0.1 mm-0.3 mm, and the transition area is a circular groove, and the diameter of the circular groove is equal to the diameter of the flow passage.
Alternatively, the side wall of the transition area is a spherical side wall, and the diameter of the spherical side wall is the difference between the diameters of the flow channel and the glue outlet channel.
Alternatively, the transition zone is a tapered slot body having a taper angle of 15 ° to 70 °.
As an alternative, the glue containing cavity is funnel-shaped, and the cone angle of the glue containing cavity is 70-100 degrees.
Alternatively, the dispensing nozzle for the elongated piezoelectric injection valve is made of an alloy steel material.
Alternatively, the elongated piezo jet valve is made of a dispensing nozzle of a ceramic material.
Alternatively, the surface of the dispensing nozzle for the elongated piezoelectric injection valve is a polished surface.
The utility model has the beneficial effects that:
in the dispensing nozzle for the lengthened piezoelectric injection valve, the axial length of the glue outlet part is larger than the radial maximum length of the section of the glue inlet part, so that the stroke of the glue outlet part can be prolonged, the glue outlet part is prevented from being blocked by the glue inlet part and a product carrier, the glue outlet part can be conveniently extended into the glue inlet part to be dispensed on the surface of a product to be dispensed of the carrier, or the glue outlet part can be ensured to be extended into the glue dispensing position inside the product to be dispensed, and the requirements of different glue dispensing positions are met. On the other hand, glue can become spherical when spouting the outside by a gluey portion, because there is surface tension on the glue surface, glue can spread out when glue striking product surface, through the stroke that prolongs gluey portion, can guarantee that glue reduces at the instantaneous speed of spouting, and the area that can make glue spread out is less, guarantees that the height and the width ratio of the gluey line that forms are higher to can guarantee better some glue quality.
Drawings
Fig. 1 is a schematic structural view of a dispensing nozzle for an elongated piezoelectric injection valve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a dispensing nozzle for an elongated piezoelectric injection valve according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a dispensing nozzle for an elongated piezoelectric injection valve according to a third embodiment of the present invention.
In the figure:
100. a glue inlet part; 200. a glue outlet part; 300. a glue accommodating cavity; 400. a flow channel; 500. a glue outlet channel; 600. a transition zone.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the present invention, the terms of orientation such as "upper", "lower", "left", "right", "inner" and "outer" are used in the case where no description is made on the contrary, and these terms of orientation are used for easy understanding, and thus do not limit the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, the dispensing nozzle for an elongated piezoelectric injection valve in the present embodiment includes a glue inlet portion 100 and a glue outlet portion 200, where the glue inlet portion 100 is of a cylindrical structure, the glue outlet portion 200 is of a conical structure, the glue inlet portion 100 is communicated with the inside of the glue outlet portion 200, and an axial length of the glue outlet portion 200 is greater than a maximum radial length of a cross section of the glue inlet portion 100. The axial length of the glue outlet portion 200 is greater than the radial maximum length of the section of the glue inlet portion 100, the stroke of the glue outlet portion 200 can be prolonged, the glue outlet portion 200 is prevented from being blocked by the glue inlet portion 100 and a product carrier, the glue outlet portion 200 can be conveniently extended into the surface of a product to be glued of the carrier to be glued, the product to be glued is glued, or the glue outlet portion 200 can be ensured to extend into the glue dispensing position inside the product to be glued, and the requirements of different glue dispensing positions are met. On the other hand, glue can become spherical when spouting the outside by a gluey portion 200, because there is surface tension on the glue surface, glue can spread out when glue striking product surface, through the stroke of prolonging out gluey portion 200, can guarantee that glue reduces at the instantaneous speed of spouting, and the area that can make glue spread out is less, guarantees that the height and the width ratio of the gluey line that forms are higher to can guarantee better some glue quality.
Specifically, in the present embodiment, the glue containing cavity 300, the flow channel 400, the transition area 600 and the glue outlet channel 500 are arranged from top to bottom inside the dispensing nozzle for the elongated piezoelectric injection valve, the glue containing cavity 300 is communicated with the flow channel 400, the flow channel 400 is communicated with the glue outlet channel 500, and the transition area 600 is arranged between the flow channel 400 and the glue outlet channel 500. The glue supply device transfers the glue into the glue containing cavity 300, the glue flows to the glue outlet channel 500 through the flow channel 400, and finally is sprayed to the surface of the product to be glued. The transition area 600 between the flow channel 400 and the glue outlet channel 500 can delay the speed of the glue, and the glue in the flow channel 400 is buffered, so that the requirement of applying the glue with different viscosities is met.
In order to enlarge the glue receiving area of the dispensing nozzle for the elongated piezoelectric injection valve, the glue containing cavity 300 in the embodiment is funnel-shaped, and the taper angle of the glue containing cavity 300 is 70-100 degrees, so as to ensure the smoothness that the dispensing nozzle for the elongated piezoelectric injection valve receives glue and flows to the flow passage 400.
In order to facilitate the glue to flow through the dispensing nozzle for the elongated piezoelectric injection valve, the cross sections of the flow channel 400 and the glue outlet channel 500 are both circular, and the diameter of the flow channel 400 is larger than that of the glue outlet channel 500. Preferably, the length of the glue outlet channel 500 is 0.2 mm-8 mm, and the diameter of the glue outlet channel 500 is 0.02 mm-0.6 mm.
The sidewall of the transition region 600 in this embodiment is a spherical sidewall, and the diameter of the spherical sidewall is the difference between the diameters of the flow channel 400 and the glue outlet channel 500. The transition area 600 with spherical sidewall can ensure that the glue with higher viscosity smoothly flows from the flow channel 400 to the glue outlet channel 500.
The dispensing nozzle for the elongated piezoelectric injection valve in the embodiment is made of alloy steel materials, so that the rigidity of the dispensing nozzle for the elongated piezoelectric injection valve is improved, and the durability of the dispensing nozzle for the elongated piezoelectric injection valve is ensured.
In other embodiments, the dispensing nozzle for the elongated piezo jet valve may be made of a ceramic material to ensure that the dispensing nozzle for the elongated piezo jet valve does not damage the product to be dispensed.
In order to improve the aesthetic property of the dispensing nozzle for the elongated piezoelectric injection valve and reduce damage to other devices in the apparatus, the surface of the dispensing nozzle for the elongated piezoelectric injection valve in the present embodiment is a polished surface.
Example two
The basic structure of the dispensing nozzle for the elongated piezoelectric injection valve provided by the present embodiment is the same as that in the first embodiment, and only a part of the structure is different. The present embodiment will describe only a structure different from the dispensing nozzle for the elongated piezoelectric injection valve provided in the first embodiment.
As shown in fig. 2, the diameter of the flow channel 400 in this embodiment is 0.1mm to 0.3mm, and the transition area 600 is a circular groove, and the diameter of the circular groove is equal to the diameter of the flow channel 400. Through setting up transition area 600 for the circular slot, can guarantee that the glue that viscosity is lower flows out glue passageway 500 from runner 400 smoothly.
EXAMPLE III
The basic structure of the dispensing nozzle for the elongated piezoelectric injection valve provided by the present embodiment is the same as that in the first embodiment, and only a part of the structure is different. The present embodiment will describe only a structure different from the dispensing nozzle for the elongated piezoelectric injection valve provided in the first embodiment.
As shown in fig. 3, the transition region 600 in this embodiment is a tapered slot, and the taper angle of the tapered slot is 15 ° to 70 °. Through setting up transition zone 600 for the toper cell body, can guarantee that the moderate glue of viscosity flows out gluey passageway 500 from runner 400 smoothly.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments thereof. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The dispensing nozzle for the lengthened piezoelectric injection valve is characterized by comprising a glue inlet part (100) and a glue outlet part (200), wherein the glue inlet part (100) is of a cylinder structure, the glue outlet part (200) is of a cone structure, the glue inlet part (100) is communicated with the inside of the glue outlet part (200), and the axial length of the glue outlet part (200) is greater than the maximum radial length of the cross section of the glue inlet part (100).
2. The dispensing nozzle for the elongated piezoelectric injection valve according to claim 1, wherein a glue accommodating cavity (300), a flow channel (400), a transition area (600) and a glue outlet channel (500) are arranged inside the dispensing nozzle from top to bottom, the glue accommodating cavity (300) is communicated with the flow channel (400), the flow channel (400) is communicated with the glue outlet channel (500), and the transition area (600) is arranged between the flow channel (400) and the glue outlet channel (500).
3. The dispensing nozzle for the elongated piezoelectric injection valve according to claim 2, wherein the cross-section of the flow channel (400) and the glue outlet channel (500) are both circular, the diameter of the flow channel (400) is larger than the diameter of the glue outlet channel (500), the length of the glue outlet channel (500) is 0.2mm to 8mm, and the diameter of the glue outlet channel (500) is 0.02mm to 0.6 mm.
4. Dispensing nozzle for elongated piezoelectric injection valves, according to claim 3, characterized in that the diameter of the flow channel (400) is comprised between 0.1mm and 0.3mm, and the transition zone (600) is a circular groove with a diameter equal to the diameter of the flow channel (400).
5. Dispensing nozzle for elongated piezoelectric injection valves according to claim 3, characterized in that the side wall of the transition zone (600) is a spherical side wall having a diameter that is the difference between the diameters of the flow channel (400) and the glue outlet channel (500).
6. The dispensing nozzle for an elongated piezoelectric injection valve according to claim 3, wherein the transition region (600) is a conical groove having a cone angle of 15 ° to 70 °.
7. Dispensing nozzle for elongated piezoelectric injection valves, according to claim 2, characterized in that said glue receiving chamber (300) is funnel-shaped, the cone angle of said glue receiving chamber (300) being 70 ° to 100 °.
8. The dispensing nozzle for elongated piezoelectric injection valves as claimed in claim 1, wherein said dispensing nozzle for elongated piezoelectric injection valves is made of an alloy steel material.
9. The elongated piezo-electric injection valve dispensing nozzle as defined in claim 1 wherein said elongated piezo-electric injection valve dispensing nozzle is made of a ceramic material.
10. The dispensing nozzle for an elongated piezoelectric injection valve as claimed in claim 1, wherein the surface of the dispensing nozzle for an elongated piezoelectric injection valve is a polished surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220480261.8U CN216965159U (en) | 2022-03-07 | 2022-03-07 | Dispensing nozzle for lengthened piezoelectric injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220480261.8U CN216965159U (en) | 2022-03-07 | 2022-03-07 | Dispensing nozzle for lengthened piezoelectric injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216965159U true CN216965159U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220480261.8U Active CN216965159U (en) | 2022-03-07 | 2022-03-07 | Dispensing nozzle for lengthened piezoelectric injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216965159U (en) |
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2022
- 2022-03-07 CN CN202220480261.8U patent/CN216965159U/en active Active
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