CN203570522U - Ceramic micro-dosage liquid metering pump for pharmaceutical production - Google Patents
Ceramic micro-dosage liquid metering pump for pharmaceutical production Download PDFInfo
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- CN203570522U CN203570522U CN201320721139.6U CN201320721139U CN203570522U CN 203570522 U CN203570522 U CN 203570522U CN 201320721139 U CN201320721139 U CN 201320721139U CN 203570522 U CN203570522 U CN 203570522U
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- plunger
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- pharmaceutical production
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- 239000007788 liquid Substances 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000919 ceramic Substances 0.000 title abstract 4
- 239000000523 sample Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 239000003814 drug Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a ceramic micro-dosage liquid metering pump for pharmaceutical production, and belongs to the technical field of metering pumps. The ceramic micro-dosage liquid metering pump comprises a drive joint and a pump head. The center of the drive joint is connected to an output shaft of a stepping motor, and a self-aligning roller bearing is arranged on the inner side wall of a cavity of the drive joint. A cylinder is arranged in the pump head in a sleeved mode and provided with a liquid inlet and a liquid outlet, wherein the liquid inlet and the liquid outlet correspond to each other. A plunger which can rotate and slide relatively is arranged in the cylinder in a matched mode. An opening is formed in the inner end of the plunger. The outer end of the plunger extends out of the cylinder and is provided with a plunger sleeve. The plunger sleeve is connected with a plunger pin which is perpendicular to the plunger sleeve. The plunger pin is connected to the self-aligning roller bearing from the inner side of the cavity of the drive joint so that the plunger can be obliquely arranged relative to the drive joint. The included angle a between the center line of the plunger and the center line of the drive joint is 0 degree-12 degrees. According to the ceramic micro-dosage liquid metering pump for the pharmaceutical production, the valve-free structure can effectively solve the general problems of blocking, getting stuck and the like of common metering pumps.
Description
Technical field
The utility model relates to a kind of metering pump, particularly a kind of metering of the Micro-volume liquid for pharmaceutical production ceramicpump.
Background technique
At present, in medicine production process, need to measure medicine, when medicine is solid, can measure by the mode such as weigh; When medicine is liquid, during particularly for high viscosity liquid, owing to including the reasons such as particulate matter in liquid, liquid is easily adhered on each component in pump, cause the element of metering use to stop up or kill etc. phenomenon, also just had a strong impact on the measuring accuracy of measuring apparatus.
Model utility content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, a kind of metering of the Micro-volume liquid for pharmaceutical production ceramicpump is provided, wherein valveless has effectively solved obstruction, the general common problem of metering pump such as has killed, the machining accuracy of major part has reached micron order, can obtain the superelevation precision that spues, the micro-precision that is widely used in liquid injects and the conveying of various high viscosity liquids.
The technical solution adopted in the utility model is as follows:
Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, comprises and drives joint and pump head, described driving Jie center is connected on the output shaft of stepper motor, and the cavity madial wall of described driving joint is provided with selfaligning roller bearing; In described pump head, be arranged with cylinder body, described cylinder body is provided with liquid entering hole and the liquid outlet of mutual correspondence, in described cylinder body, be combined with the plunger that can relatively rotate and slide, the inner termination of described plunger is provided with opening, the external end head of described plunger stretches out outside cylinder body and is provided with plunger bushing, on described plunger bushing, be connected with perpendicular plunger pin, described plunger pin is surveyed and is connected in selfaligning roller bearing in driving the cavity saving, described plunger can be in tilted layout with respect to driving to save, and the angle a=0-12 ° between described plunger center line and driving joint center line.
Owing to adopting said structure, plunger is connected by a selfaligning roller bearing with driving joint passage pin, when driving, joint is rotary, pump head laying angle is also described plunger center line and drives the angle a=0-12 ° between joint center line, determined the length of stroke of plunger, the motion of plunger is compound motion, i.e. plunger also to-and-fro motion to and fro in pump chamber in rotation.Different from general metering pump structure, therefore the structure of this uniqueness, without common terminal valve assembly, has also eliminated gas lock and blockage problem.Liquid meter ceramicpump of the present utility model in use, comprise suction process, process and having spued has sucked, has spued, wherein suction process is: when the runner (being also opening) of plunger is towards pump chamber suction port (being also liquid entering hole) time, follow plunger rotation, pump chamber increases formation parital vacuum gradually, liquid is inhaled into, and plunger continues rotation and retreats; Suction complete for: when the runner (being also opening) of plunger staggers pump chamber while sucking (being also liquid entering hole) mouthful, suction process completes, and plunger is transformed to rotation and moves ahead; The process of spuing is: along with plunger rotation moves ahead, when the passage (being also opening) of plunger is close to pump chamber exhaust end, pump chamber reduces gradually, the compressed discharge of liquid; Spued for: when the runner of plunger staggers the discharge opening (being also liquid outlet) of pump chamber, the process of spuing completes.Plunger is transformed to rotation and retreats, and starts next suction process.Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, wherein valveless has effectively solved obstruction, the general common problem of metering pump such as has killed, the machining accuracy of major part has reached micron order, can obtain the superelevation precision that spues, the micro-precision that is widely used in liquid injects and the conveying of various high viscosity liquids.
Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, the opening arranging in described plunger inner termination, this register liquid entering hole and liquid outlet; On described plunger, cover has nut, and described nut is connected on pump head outer wall, and between the bottom surface of described nut and the end face of pump head, is provided with lip envelope.
Owing to adopting said structure, opening (being also runner) and liquid outlet in plunger inner termination, thereby make plunger also to-and-fro motion to and fro in pump chamber in rotation, thereby realize, pharmaceutical liquid is pumped, wherein valveless has effectively solved obstruction, the general common problem of metering pump such as has killed.By lip, seal and can make to form effectively and seal between nut and pump head, thereby make whole pump there is good sealing effect.
Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, described pump head overcoat has front pump bracket, and described pump head is provided with plug-in type assembling nut, on described plug-in type assembling nut, by the screw coordinating, is connected with front pump bracket; Described driving joint overcoat has rear pump bracket, and described rear pump bracket is connected with front pump bracket, on described rear pump bracket, is connected with the motor mounting plate of stating stepper motor for installing.
Owing to adopting said structure, by front pump bracket, rear pump bracket and motor mounting plate, be convenient to the whole pump housing install and fix, guarantee its normal operation and use.
Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, the output shaft side of described stepper motor is provided with sensor stand, is furnished with sensor, the output shaft of the detect probe alignment step motor of described sensor on described sensor stand.
Owing to adopting said structure, can the measurement to output shaft by detect probe, and be passed on sensor and measure, thereby can be effectively to the measuring of liquid in pump, make its metering accurately reliable.
Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, described plunger and cylinder body all adopt stupalith to make.
Owing to adopting said structure, stupalith is pollution-free to medicine, there is length friction durability, measure the advantages such as accurate, simple in structure, control is convenient, the machining accuracy of major part has reached micron order, can obtain the superelevation precision that spues, the micro-precision that can be widely used in liquid injects and the conveying of various high viscosity liquids.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, the Micro-volume liquid for pharmaceutical production of the present utility model metering ceramicpump, wherein valveless has effectively solved obstruction, the general common problem of metering pump such as has killed;
2, the Micro-volume liquid for pharmaceutical production of the present utility model metering ceramicpump, the machining accuracy of major part has reached micron order, can obtain the superelevation precision that spues, and the micro-precision that is widely used in liquid injects and the conveying of various high viscosity liquids.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is the internal structure schematic diagram of pump head in the utility model;
Fig. 3 is the internal structure schematic diagram of the pump housing;
Fig. 4 is the right elevation of Fig. 3;
Fig. 5 is the sectional view of A-A in Fig. 3.
Mark in figure: pump bracket, 15-detect probe, 16-motor mounting plate, 17-stepper motor, 18-sensor stand, 19-sensor, 20-corner adjusting element after 1-plunger, 2-cylinder body, 3-pump head, 4-plug-in type assembling nut, 5-lip envelope, 7-nut, 8-driving joint, 9-plunger bushing, 10-plunger pin, 11-selfaligning roller bearing, the front pump bracket of 12-, 13-bearing cap, 14-.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 5, Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, comprise and drive joint 8 and pump head 3, the center of described driving joint 8 is connected on the output shaft of stepper motor 17, the other sensor stand 18 that is provided with of output shaft of described stepper motor 17, on described sensor stand 18, be furnished with sensor 19, the output shaft of the detect probe 15 alignment step motors 17 of described sensor 19, the cavity madial wall of described driving joint 8 is provided with selfaligning roller bearing 11, in described pump head 3, be arranged with cylinder body 2, described cylinder body 2 is provided with liquid entering hole and the liquid outlet of mutual correspondence, is combined with the plunger 1 that can relatively rotate and slide in described cylinder body 2, and the inner termination of described plunger 1 is provided with opening, this register liquid entering hole and liquid outlet, on described plunger 1, cover has nut 7, and described nut 7 is connected on pump head 3 outer walls, and between the bottom surface of described nut 7 and the end face of pump head 3, is provided with lip envelope 5, wherein said pump head 3 overcoats have front pump bracket 12, and described pump head 3 is provided with plug-in type assembling nut 4, on described plug-in type assembling nut 4, by the screw coordinating, are connected with front pump bracket 12, described driving saves 8 overcoats rear pump bracket 14, and described rear pump bracket 14 is connected with front pump bracket 12, on described rear pump bracket 14, is connected with the motor mounting plate 16 of stating stepper motor 17 for installing, the external end head of described plunger 1 stretches out outside cylinder body 2 and is provided with plunger bushing 9, on described plunger bushing 9, be connected with perpendicular plunger pin 10, described plunger pin 10 is surveyed and is connected in selfaligning roller bearing 11 in driving the cavity that saves 8, described plunger 1 can be in tilted layout with respect to driving joint 8, and the angle a=0-12 ° between described plunger 1 center line and driving joint 8 center lines, maximum angle is 12 °, angle can be arranged between 0-12 °, plunger is connected by a selfaligning roller bearing with driving joint passage pin, when driving, joint is rotary, pump head laying angle is also described plunger center line and drives the angle a=0-12 ° between joint center line, determined the length of stroke of plunger, the motion of plunger is compound motion, it is plunger also to-and-fro motion to and fro in pump chamber in rotation.Different from general metering pump structure, therefore the structure of this uniqueness, without common terminal valve assembly, has also eliminated gas lock and blockage problem.Wherein said plunger 1 and cylinder body 2 all adopt stupalith to make.
Liquid meter ceramicpump of the present utility model in use, comprise suction process, process and having spued has sucked, has spued, wherein suction process is: when the runner (being also opening) of plunger is towards pump chamber suction port (being also liquid entering hole) time, follow plunger rotation, pump chamber increases formation parital vacuum gradually, liquid is inhaled into, and plunger continues rotation and retreats; Suction complete for: when the runner (being also opening) of plunger staggers pump chamber while sucking (being also liquid entering hole) mouthful, suction process completes, and plunger is transformed to rotation and moves ahead; The process of spuing is: along with plunger rotation moves ahead, when the passage (being also opening) of plunger is close to pump chamber exhaust end, pump chamber reduces gradually, the compressed discharge of liquid; Spued for: when the runner of plunger staggers the discharge opening (being also liquid outlet) of pump chamber, the process of spuing completes.Plunger is transformed to rotation and retreats, and starts next suction process.Micro-volume liquid for pharmaceutical production metering ceramicpump of the present utility model, wherein valveless has effectively solved obstruction, the general common problem of metering pump such as has killed, the machining accuracy of major part has reached micron order, can obtain the superelevation precision that spues, the micro-precision that is widely used in liquid injects and the conveying of various high viscosity liquids.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. for the Micro-volume liquid of pharmaceutical production, measure ceramicpump, it is characterized in that: it comprises driving saves (8) and pump head (3), the center of described driving joint (8) is connected on the output shaft of stepper motor (17), and the cavity madial wall of described driving joint (8) is provided with selfaligning roller bearing (11), in described pump head (3), be arranged with cylinder body (2), described cylinder body (2) is provided with liquid entering hole and the liquid outlet of mutual correspondence, in described cylinder body (2), be combined with the plunger (1) that can relatively rotate and slide, the inner termination of described plunger (1) is provided with opening, the external end head of described plunger (1) stretches out outside cylinder body (2) and is provided with plunger bushing (9), on described plunger bushing (9), be connected with perpendicular plunger pin (10), described plunger pin (10) is connected in selfaligning roller bearing (11) from interior survey of cavity that drives joint (8), described plunger (1) can be in tilted layout with respect to driving joint (8), and the angle a=0-12 ° between described plunger (1) center line and driving joint (8) center line.
2. the metering of the Micro-volume liquid for pharmaceutical production ceramicpump as claimed in claim 1, is characterized in that: the opening arranging in described plunger (1) inner termination, this register liquid entering hole and liquid outlet; The upper cover of described plunger (1) has nut (7), described nut (7) to be connected on pump head (3) outer wall, and between the bottom surface of described nut (7) and the end face of pump head (3), is provided with lip envelope (5).
3. the metering of the Micro-volume liquid for pharmaceutical production ceramicpump as claimed in claim 2, it is characterized in that: described pump head (3) overcoat has front pump bracket (12), described pump head (3) is provided with plug-in type assembling nut (4), and described plug-in type assembling nut (4) is upper to be connected with front pump bracket (12) by the screw coordinating; Described driving joint (8) overcoat has rear pump bracket (14), and described rear pump bracket (14) is connected with front pump bracket (12), is connected with the motor mounting plate (16) of stating stepper motor (17) for installing on described rear pump bracket (14).
4. the metering of the Micro-volume liquid for pharmaceutical production ceramicpump as claimed in claim 2, it is characterized in that: the other sensor stand (18) that is provided with of output shaft of described stepper motor (17), on described sensor stand (18), be furnished with sensor (19), the output shaft of detect probe (15) the alignment step motor (17) of described sensor (19).
5. the metering of the Micro-volume liquid for pharmaceutical production as described in one of claim 1 to 4 ceramicpump, is characterized in that: described plunger (1) and cylinder body (2) all adopt stupalith to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721139.6U CN203570522U (en) | 2013-11-15 | 2013-11-15 | Ceramic micro-dosage liquid metering pump for pharmaceutical production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721139.6U CN203570522U (en) | 2013-11-15 | 2013-11-15 | Ceramic micro-dosage liquid metering pump for pharmaceutical production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570522U true CN203570522U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320721139.6U Expired - Lifetime CN203570522U (en) | 2013-11-15 | 2013-11-15 | Ceramic micro-dosage liquid metering pump for pharmaceutical production |
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| Country | Link |
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| CN (1) | CN203570522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557133A (en) * | 2013-11-15 | 2014-02-05 | 成都蓉药集团四川长威制药有限公司 | Micro liquid metering ceramic pump for drug production |
-
2013
- 2013-11-15 CN CN201320721139.6U patent/CN203570522U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557133A (en) * | 2013-11-15 | 2014-02-05 | 成都蓉药集团四川长威制药有限公司 | Micro liquid metering ceramic pump for drug production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN EMEISHAN PHARMACEUTICAL CO., LTD. Free format text: FORMER NAME: CHENGDU RONGYAO GROUP SICHUAN CHANGWEI PHARMACEUTICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 614000 Leshan hi tech Industrial Development Zone, Yingbin Avenue, No. 6, Sichuan Patentee after: SICHUAN EMEISHAN PHARMACEUTICAL Co.,Ltd. Address before: 614000 Leshan hi tech Industrial Development Zone, Yingbin Avenue, No. 6, Sichuan Patentee before: CHENGDU RONGYAO GROUP SICHUAN CHANGWEI PHARMACEUTICAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 614000 Leshan hi tech Industrial Development Zone, Yingbin Avenue, No. 6, Sichuan Patentee after: Emei Mountain in Sichuan Pharmaceutical Co.,Ltd. Address before: 614000 Leshan hi tech Industrial Development Zone, Yingbin Avenue, No. 6, Sichuan Patentee before: SICHUAN EMEISHAN PHARMACEUTICAL Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Micro liquid metering ceramic pump for drug production Effective date of registration: 20200421 Granted publication date: 20140430 Pledgee: Science and Technology Branch of Leshan Commercial Bank Co.,Ltd. Pledgor: Emei Mountain in Sichuan Pharmaceutical Co.,Ltd. Registration number: Y2020980001669 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210414 Granted publication date: 20140430 Pledgee: Science and Technology Branch of Leshan Commercial Bank Co.,Ltd. Pledgor: Emei Mountain in Sichuan Pharmaceutical Co.,Ltd. Registration number: Y2020980001669 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |