CN210991872U - Novel water dropper for eliminating liquid drops in liquid dropping process - Google Patents
Novel water dropper for eliminating liquid drops in liquid dropping process Download PDFInfo
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- CN210991872U CN210991872U CN201921560846.5U CN201921560846U CN210991872U CN 210991872 U CN210991872 U CN 210991872U CN 201921560846 U CN201921560846 U CN 201921560846U CN 210991872 U CN210991872 U CN 210991872U
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Abstract
The utility model discloses a novel dripper for eliminating liquid drops in the process of liquid dripping, which comprises a dripper body and a dripping needle, wherein the outer part of the upper end of the dripper body is provided with a thread connected with a drip tray, a liquid medicine channel is arranged in the dripper body, and the upper end of the liquid medicine channel is a liquid medicine inlet; a groove is arranged below the liquid medicine inlet, and the width of the groove is larger than that of the liquid medicine channel; the tail end of the lower part of the dripper body is provided with a dripping nozzle of the dripper; the drip needle consists of an upper part and a lower part, the upper part is a fixing device, the length of the fixing device corresponds to the length of the groove in the dripper body, the width of the fixing device is smaller than the diameter of the liquid medicine channel, and the fixing device is accommodated in the groove; the lower part is a cylindrical needle drip rod, after the needle drip rod is fixed, the length of the needle drip rod protruding out of the drip nozzle is 1-10mm, and the needle drip rod is coaxial with the liquid medicine channel. The dripper has simple structure and convenient installation; can effectively eliminate the accompanying liquid drops generated in the dropping process of the liquid medicine through the dripper, and has good forming effect and stable quality of the dripping pill products.
Description
Technical Field
The utility model belongs to the technical field of pharmaceutical machinery, especially, eliminate novel water dropper that liquid dripping in-process accompanies the liquid drop, this water dropper is for being applied to the water dropper on the dripping pill former in the dripping pill production line.
Background
The drop pill is a pellet preparation prepared by heating, melting and uniformly mixing a solid or liquid medicament and a proper substance (matrix), dropping into immiscible condensate, and performing contraction and condensation, and is mainly used for oral administration.
The dripper is a key component in the dripping pill forming equipment, the size and the shape of the dripper are directly influenced by the shape and the size of the dripper, the product quality is concerned, and particularly, the dripping pill has influence on the weight difference and the uniformity of the medicine content.
In the existing drop pill preparation process, a liquid medicine channel arranged in a dropping head in drop pill forming equipment adopts an equal-diameter structure, the inner diameter of the liquid medicine channel is equal to the diameter of a drop pill, and dropping is finished through a dropping nozzle by the dead weight of liquid medicine. The liquid medicine is dripped out through the dripper, and a natural dripping method is adopted without adding external conditions, because the liquid medicine is mainly formed under the action of falling gravity, liquid surface tension and internal stress, a large number of liquid lines are formed between liquid drops when the liquid drops are dripped, and the liquid lines are broken in the falling process to generate accompanying liquid drops (because the liquid has viscosity, the liquid lines are generated in the dripping process, and the liquid lines can generate small particles with the particle size far smaller than that of the liquid drops in the breaking process, namely the accompanying liquid drops). In most cases in production, the accompanying droplets are useless for production and even have negative effects on production, for example, the quality of the individual droplets is uneven and difficult to control due to the fact that the accompanying droplets occupy a part of the liquid, and the liquid utilization rate is reduced.
The existing drippers generally generate accompanying liquid drops in the dripping process, which can reduce the production efficiency and even prevent the normal operation of a production system. Therefore, finding a method capable of effectively eliminating the generation of the accompanying liquid drops and improving the liquid utilization rate in the liquid drop preparation process is an important direction needing development and exploration in the aspect of liquid drop preparation at the present stage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a water dropper which has simple structure and convenient installation; can effectively eliminate the accompanying liquid drops generated in the dropping process of the liquid medicine through the dripper, and has good forming effect and stable quality of the dripping pill products.
The utility model discloses the technical problem that solve is realized through following technical scheme:
the utility model provides an eliminate novel water dropper that liquid drippage in-process accompanies liquid drop, including water dropper body and drip needle, water dropper body upper end outside is equipped with the screw thread of being connected with the drip tray, this internal liquid medicine passageway that is equipped with of water dropper, and liquid medicine passageway upper end is the liquid medicine import, its characterized in that:
a groove is arranged below the liquid medicine inlet, and the width of the groove is larger than that of the liquid medicine channel; the tail end of the lower part of the dripper body is provided with a dripping nozzle of the dripper; the drip needle consists of an upper part and a lower part, the upper part is a fixing device, the length of the fixing device corresponds to the length of the groove in the dripper body, the width of the fixing device is smaller than the diameter of the liquid medicine channel, and the fixing device is accommodated in the groove; the lower part is a cylindrical needle drip rod, after the needle drip rod is fixed, the length of the needle drip rod protruding out of the drip nozzle is 1-10mm, and the needle drip rod is coaxial with the liquid medicine channel.
The height of the fixing device is the distance from the liquid medicine inlet to the bottom surface of the groove.
The outline shape of the bottom of the fixing device is consistent with the outline shape of the bottom surface of the groove.
A necking is arranged on the dropper body above the liquid medicine inlet, and the diameter of the lower end of the necking is the same as that of the liquid medicine channel.
The length of the liquid medicine channel is 12mm, and the diameter of the liquid medicine channel is 1.5-3.0 mm.
The fixing device is in the shape of a circular sheet or a rectangular sheet, and the thickness of the fixing device is 1 mm.
The length of the projection of the drip needle rod at the drip nozzle is 5mm, the diameter of the drip needle rod is 0.6mm, and the diameter of the liquid medicine channel is 2.6 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the method of the utility model effectively reduces the generation of the liquid drops accompanying the dropping process. On the premise of not increasing the manufacturing cost, the liquid drop quality is uniform and easy to control, and the liquid utilization rate is increased.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of the dripper of the present invention.
Fig. 2(a) is a schematic view of the structure of the middle dropper body, and fig. 2(b) is a schematic view of the structure of the middle dropper body.
Fig. 3(a) is a schematic view of the structure of the middle drip needle of the present invention, and fig. 3(b) is a schematic view of the structure of the right drip needle of the present invention.
FIG. 4 is a schematic view of the overall experimental structure of the dripper of the present invention during use
FIG. 5(a) is a diagram illustrating the dropping of a conventional dropper during the dropping of liquid polyethylene glycol;
fig. 5(b) shows the dropping condition of the dripper of the present invention when liquid polyethylene glycol is dripped.
In the figure, a dripper body 1, a dripper needle 2, a dripper plate 3, a dripper nozzle 11, a liquid medicine channel 12, a liquid medicine outlet 13, a groove 14, a liquid medicine inlet 15, a necking 16, a dripper rod 21 and a fixing device 22 are fixed.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments.
Fig. 1 is a cross-sectional view of the overall structure of the dripper of the present invention. As shown in fig. 1, the utility model provides a dripper, which comprises a dripper body 1 and a dripping needle 2. As shown in fig. 2, the outer part of the upper end of the dripper body 1 is provided with a thread for connecting with the drip pan 3, and the thread can realize tight connection and sealing between the dripper body and the drip pan. This internal liquid medicine passageway 12 that is equipped with of dripper, the end of liquid medicine passageway is the nozzle 11, is equipped with recess 14 and throat 16 on dripper body upper portion, and the lower terminal surface and the liquid medicine passageway 12 UNICOM of recess, and the width of recess is greater than liquid medicine passageway width, and needle 2 is dripped to its purpose for the installation is fixed, and throat 16 makes things convenient for the liquid medicine to get into the liquid medicine passageway, reduces the resistance when getting into. As shown in fig. 3, the fixing device 22 is arranged at the upper part of the drip needle, the fixing device can be fixedly installed in the groove of the dripper body, the lower part of the drip needle is a drip needle rod 21, the drip needle rod 21 coaxially extends into the liquid medicine channel, and the length of the drip needle rod 21 is not less than that of the liquid medicine channel, so that liquid in the liquid medicine channel can be conveniently guided. When the dropper is installed in the dropper body, the liquid medicine channel of the dropper body and the dropper needle is coaxially fixed, so that the dropper needle can be vertically placed in the liquid medicine channel, the dropper is also always in a vertical state when in use, and shaking can not be generated, so that the dropper rod and the liquid medicine channel are always in a coaxial state.
In order to ensure the best dripping effect of the liquid medicine through the dripper, the length of the liquid medicine channel 12 in the dripper body is 12mm, the diameter is 1.5-3.0mm, and the diameter is 2.6mm as the best.
In order to facilitate the installation of the drip needle and ensure the stability of the drip needle, the fixing device 22 at the upper part of the drip needle can be selected from a circle or a rectangle, the diameter or the side length can be selected from 4-10mm, and a square is selected, and the side length is 6mm as the best. Therefore, the shape of the groove in the dripper body can be selected to be semicircular or rectangular, the size of the groove can accommodate the fixing device, and the groove is 1-3mm larger than the diameter or the side length of the fixing device, so that the side length is selected to be 8mm, and the optimal depth is 6 mm.
In order to realize the best effect of eliminating the accompanying liquid drops and ensure that the accompanying liquid drops are as few as possible in the process of preparing the liquid medicine drops, the invention can select the liquid medicine drops with different lengths and diameters aiming at the liquid medicines with different viscosities and surface tensions, the surface tension is 1-70N/m, the viscosity is 100-800cp, the protruding length of the liquid medicine drops at the liquid medicine dropping nozzle of the liquid medicine drop head body is 1-10mm, the diameter of the liquid medicine drops is less than the diameter of the liquid medicine channel and is about 0.1-1.0mm, the length of the liquid medicine drops is about 17mm when the liquid medicine is liquid polyethylene glycol, the protruding length of the liquid medicine drops at the liquid medicine dropping nozzle of the liquid medicine drop head is 5mm, and the diameter of the liquid medicine drops is selected to be 0.6 mm.
Example 1
A method for eliminating the accompanying liquid drops in the dropping process of the liquid polyethylene glycol (surface tension 50.43N/m and viscosity 800cp) by the dripper of the embodiment comprises the following steps:
(1) the solid polyethylene glycol is heated to 80 ℃ by a heating device and poured into the drip tray 3.
(2) The liquid polyethylene glycol in the drip tray 3 is dripped through the liquid medicine channel 12 and the drip needle rod in the dripper body.
Through a plurality of tests, snap-shot measurement is carried out by a plurality of testing instruments such as an olympus i-SPEED camera and the like, fig. 5(a) shows the dropping condition of liquid polyethylene glycol under the condition of no dropping needle, fig. 5(b) shows the dropping condition of liquid polyethylene glycol under the condition of dropping needle, the liquid polyethylene glycol is obviously almost not accompanied by liquid drops under the condition of dropping needle, and under the condition of no dropping needle, obvious liquid lines are generated and broken, and the broken liquid lines can form accompanied liquid drops, so that the dropping head can effectively eliminate the accompanied liquid drops, and the generation quantity of the accompanied liquid drops is eliminated by about 50% by mass through comparison.
The dropper body and the dropper needle are both made of 316L stainless steel, a cuboid fixing device is arranged above the dropper needle, the length, the width and the height of the cuboid are respectively 6mm, 1mm and 6mm, a dropper rod is connected to the lower end of the fixing device through welding, the length of the dropper needle can be changed according to different liquids, the upper portion of the dropper body is provided with a fine thread with a thread model of M10X1.25, the middle portion of the dropper body is a hexagonal prism, the lower corner point position of the hexagonal prism is chamfered, the lower corner point position of the dropper is also chamfered, the radius of the lower corner point position is 1mm, the side length of the hexagonal prism portion is 8mm, the height of the hexagonal prism is 5mm, the hexagonal prism is convenient to install on a dropper tray, a liquid medicine inlet of the liquid medicine channel is arranged at the upper end of the groove, the liquid medicine outlet 13 is flush with the lower end face of the dropper 11, the liquid medicine cannot enter the dropper needle but flows from the liquid medicine channel, the liquid medicine channel is a liquid polyethylene glycol drop with the length of 17mm as the best, the liquid medicine rod is 5mm at the dropper rod at the point, the liquid medicine rod at the dropper body.
Example 2
This embodiment dripper includes the dripper body and drips the needle, and the outside upper end of dripper body is equipped with the screw thread that is used for being connected with the drip tray, this internal liquid medicine passageway that is equipped with of dripper, and the end of liquid medicine passageway is the liquid medicine mouth of dripping, the liquid medicine passageway in be provided with the installation and drip the needle recess, the needle is dripped in the easy to assemble, drip the needle and comprise the stationary blade of upper portion and the needle bar that drips of lower part, the length of stationary blade and the interior recess length of dripper body or recess bottom surface shape match, make things convenient for the fixed and the installation of needle bar, the needle bar that drips of lower part plays the drainage effect to liquid. The drip needle rod and the fixing device are integrally formed.
When in use, the drip needle is required to be arranged on the drip head body. Through the mode of adding the drip needle in dripper liquid medicine passageway, the liquid line produces and lengthens on dripping the needle when the liquid medicine flows from the dripper, because the addition of dripping the needle, certain liquid line length has been filled to the drip needle when the liquid line produces to contrast traditional dripper, the whole quality of liquid line has been reduced, and when the liquid line fracture, there are more liquid to kick-back to dripping on the needle, make the accompanying liquid drop of final production reduce, improve liquid utilization rate, and simple structure, high durability and convenient installation, the dripping pill shaping is effectual, dripping pill product stable quality.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
Claims (7)
1. The utility model provides an eliminate novel water dropper that liquid drippage in-process accompanies liquid drop, includes the water dropper body and drips the needle, and water dropper body upper end outside is equipped with the screw thread of being connected with the drip tray, this internal liquid medicine passageway that is equipped with of water dropper, and liquid medicine passageway upper end is the liquid medicine import, its characterized in that:
a groove is arranged below the liquid medicine inlet, and the width of the groove is larger than that of the liquid medicine channel; the tail end of the lower part of the dripper body is provided with a dripping nozzle of the dripper; the drip needle consists of an upper part and a lower part, the upper part is a fixing device, the length of the fixing device corresponds to the length of the groove in the dripper body, the width of the fixing device is smaller than the diameter of the liquid medicine channel, and the fixing device is accommodated in the groove; the lower part is a cylindrical needle drip rod, after the needle drip rod is fixed, the length of the needle drip rod protruding out of the drip nozzle is 1-10mm, and the needle drip rod is coaxial with the liquid medicine channel.
2. The novel dripper for eliminating liquid drops accompanying liquid dropping according to claim 1, wherein the height of the fixing means is the distance from the liquid medicine inlet to the bottom surface of the groove.
3. The novel dripper for eliminating liquid accompanying dripping during dripping of liquid according to claim 1, wherein the bottom of the fixing means has a contour conforming to the contour of the bottom surface of the groove.
4. The novel dripper for eliminating liquid drops accompanying liquid dropping according to claim 1, wherein a throat 16 is provided on the dripper body above the liquid medicine inlet, and the diameter of the lower end of the throat is the same as that of the liquid medicine passage.
5. The novel dripper for eliminating liquid drops accompanying liquid dropping according to claim 1, wherein said liquid medicine passage has a length of 12mm and a diameter of 1.5 to 3.0 mm.
6. The novel dripper for eliminating liquid drops accompanying liquid dropping according to claim 1, wherein the fixing means is in the form of a circular or rectangular plate having a thickness of 1 mm.
7. The novel dripper for eliminating liquid drops accompanying liquid drop falling according to claim 1, wherein the length of the projection of the dripping needle rod at the dripping nozzle is 5mm, the diameter of the dripping needle rod is 0.6mm, and the diameter of the liquid medicine passage is 2.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560846.5U CN210991872U (en) | 2019-09-19 | 2019-09-19 | Novel water dropper for eliminating liquid drops in liquid dropping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560846.5U CN210991872U (en) | 2019-09-19 | 2019-09-19 | Novel water dropper for eliminating liquid drops in liquid dropping process |
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| CN210991872U true CN210991872U (en) | 2020-07-14 |
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| CN201921560846.5U Active CN210991872U (en) | 2019-09-19 | 2019-09-19 | Novel water dropper for eliminating liquid drops in liquid dropping process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110604694A (en) * | 2019-09-19 | 2019-12-24 | 天津中新药业集团股份有限公司第六中药厂 | Novel water dropper for eliminating liquid drops in liquid dropping process |
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2019
- 2019-09-19 CN CN201921560846.5U patent/CN210991872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110604694A (en) * | 2019-09-19 | 2019-12-24 | 天津中新药业集团股份有限公司第六中药厂 | Novel water dropper for eliminating liquid drops in liquid dropping process |
| CN110604694B (en) * | 2019-09-19 | 2024-04-02 | 津药达仁堂集团股份有限公司第六中药厂 | Dripper capable of eliminating accompanying liquid drops in liquid dripping process |
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