CN203783860U - Filling pump system - Google Patents
Filling pump system Download PDFInfo
- Publication number
- CN203783860U CN203783860U CN201420015353.4U CN201420015353U CN203783860U CN 203783860 U CN203783860 U CN 203783860U CN 201420015353 U CN201420015353 U CN 201420015353U CN 203783860 U CN203783860 U CN 203783860U
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- CN
- China
- Prior art keywords
- photoelectric sensor
- arm assembly
- filling pump
- lifting arm
- pump system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005622 photoelectricity Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a filling pump system, which comprises a filling pump provided with a plunger rod, a lifting rod assembly, an ascending-descending driving mechanism for driving the lifting rod assembly to ascend and descend, a controller and a detection assembly for detecting the ascending and descending positions of the lifting rod assembly, wherein the controller is used for sending a control command to the ascending and descending driving mechanism according to a detection signal of the detection assembly. The filling pump system has the advantages that the accuracy of a servo reference position is increased, and the reliability and safety of a pump body plunger are ensured effectively.
Description
Technical field
The utility model relates generally to medical packaging mechanical field, relates in particular to a kind of charge pump system.
Background technique
In pharmaceutical equipment field, often use charge pump to carry out filling to liquid, there is at present a kind of charge pump system mainly to comprise actuating motor, screw mandrel, screw rod bushing and plunger pump, it rotarily drives screw rod bushing by actuating motor control screw mandrel and moves up and down, and then plunger rod in drive plunger pump periodically moves up and down and realizes imbibition and the fluid injection of plunger pump, but the reference position of existing actuating motor generally positions by the servo absolute encoder of each filling pump, in the time of the servo fault of filling pump, conventionally need naked eyes judge screw rod bushing position come manual rotation screw rod bushing with adjust reference servo position, adopt which to adjust the deviation that reference servo position easily causes theoretical reference position and positive reference locations, cause the generation of debugging error, simultaneously, the long kinematic error accumulative total of actuating motor easily causes screw rod bushing to produce skew up and down, screw rod bushing easily causes stall with servo screw mandrel axle bed collision, and then cause servo overload, screw rod bushing drives the plunger rod of filling pump to produce periodic upper-lower position skew simultaneously, cause plunger rod to shift out the pump housing or withstand the phenomenon of the pump housing, having reduced the plunger reliability and safety of the pump housing.
Model utility content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of charge pump system that improves reference servo positional accuracy, effectively ensures pump housing plunger reliability and safety is provided.
For solving the problems of the technologies described above, the technological scheme the utility model proposes is:
A kind of filling pump system, comprise filling pump, the lifting arm assembly of plunger rod and the lift drive mechanism that drives lifting arm assembly to move up and down are housed, also comprise controller and the detection components for detection of lifting arm assembly lifting position, described controller sends control command to lift drive mechanism according to the testing signal of detection components.
Further improvement as technique scheme:
Described detection components comprises location sensitive piece and for responding to location sensitive piece the photoelectric sensor coordinating, described location sensitive piece is located on lifting arm assembly, and described photoelectric sensor is located at the outside of lifting arm assembly.
Described photoelectric sensor comprises the first photoelectric sensor for detection of lifting arm assembly reference position, described lifting arm assembly reference position is to ensure that it is the reference position of Standard Selection that plunger rod has enough movement travels in filling pump, and described the first photoelectric sensor is located at the corresponding position of reference position.
Described photoelectric sensor also comprises for detection of the second photoelectric sensor of lifting arm assembly high-low limit position, the 3rd photoelectric sensor.
The one that described photoelectric sensor is mirror retroreflective photoelectric sensor, diffuse in electric transducer and correlation photoelectric sensor.
When described photoelectric sensor is mirror retroreflective photoelectric sensor or correlation photoelectric sensor, described detection components also comprises the photoelectricity dash receiver for receiving photoelectric sensor optical signal, and described photoelectricity dash receiver and photoelectric sensor difference positioned opposite are in the both sides of lifting arm assembly.
Described lift drive mechanism comprises screw mandrel and the actuating motor that drives screw mandrel to rotate, and described lifting arm assembly comprises the screw rod bushing supporting with screw mandrel.
Described lifting arm assembly also comprises lifting connecting rod, and one end of described lifting connecting rod is connected with plunger rod, and described screw rod bushing is located on lifting connecting rod.
Also comprise electric machine support, described electric machine support is provided with the through hole passing through for photoelectric sensor optical signal.
The two ends of described screw mandrel are fixed on electric machine support by leading screw axle bed.
Compared with prior art, the utility model has the advantage of:
Filling pump system of the present utility model is provided with detection components, detection components is for detection of the lifting position of lifting arm assembly, controller sends control command to lift drive mechanism according to the testing signal of detection components, has avoided the reference servo positional error that adopts manual mode adjustment lifting arm assembly to cause, the accuracy that has effectively ensured the detection of lifting arm module position.Detection components of the present utility model is further provided with the detection components for detection of lifting arm assembly reference position, the accurate location of lifting arm assembly reference position has ensured the initial position of the plunger rod being connected with lifting arm assembly, has ensured the accuracy of plunger priming stroke; Detection components of the present utility model is further provided with the detection components up and down for detection of lifting arm assembly high-low limit position, in the time that upper and lower detection components triggers, corresponding actuating motor is by deviation out of service and alarm servo position, effectively avoid servo overload and plunger rod to shift out or withstand the phenomenon of the pump housing, effectively improved the plunger reliability and safety of the pump housing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the side-looking structural representation of Fig. 1.
In figure, each label represents:
1, filling pump; 11, plunger rod; 2, screw mandrel; 3, lifting arm assembly; 31, screw rod bushing; 32, lifting connecting rod; 4, actuating motor; 5, detection components; 51, location sensitive piece; 52, the first photoelectric sensor; 53, the second photoelectric sensor; 54, the 3rd photoelectric sensor; 55, photoelectricity dash receiver; 6, electric machine support; 61, through hole; 7, leading screw axle bed.
Embodiment
As Fig. 1, Fig. 2 shows the embodiment of the utility model filling pump system, comprise the filling pump 1 that plunger rod 11 is housed, lifting arm assembly 3 and lift drive mechanism, lift drive mechanism is used for driving lifting arm assembly 3 to move up and down, this filling pump system also comprises controller and detection components 5, detection components 5 is for detection of the lifting position of lifting arm assembly 3, controller sends control command to lift drive mechanism according to the testing signal of detection components 5, effectively avoid adopting manual mode to adjust the reference servo positional error that lifting arm assembly 3 causes, effectively ensure the accuracy of lifting arm assembly 3 position probing.
In the present embodiment, detection components 5 comprises location sensitive piece 51 and photoelectric sensor, and location sensitive piece 51 coordinates with photoelectric sensor induction, shading light electric transducer optical signal, location sensitive piece 51 is located on lifting arm assembly 3, and photoelectric sensor is located at the outside of lifting arm assembly 3.
Photoelectric sensor comprises the first photoelectric sensor 52 for detection of lifting arm assembly 3 reference positions, the reference position of lifting arm assembly 3 is to ensure that it is the reference position of Standard Selection that plunger rod 11 has enough movement travels in filling pump 1, the first photoelectric sensor 52 is located at the corresponding position of reference position, the first photoelectric sensor 52 the accurate location that has ensured lifting arm assembly 3 reference positions is set, and then ensured the initial position of the plunger rod 11 being connected with lifting arm assembly 3, ensure the accuracy of plunger priming stroke.Photoelectric sensor also comprises the second photoelectric sensor 53, the 3rd photoelectric sensor 54, the second photoelectric sensor 53, the 3rd photoelectric sensor 54 is for detection of lifting arm assembly 3 high-low limit positions, in production run process, the periodic motion of location sensitive piece 51 is at the second photoelectric sensor 53, between the 3rd photoelectric sensor 54, when the second photoelectric sensor 53, when the 3rd photoelectric sensor 54 triggers, controller is according to the second photoelectric sensor 53, the testing signal of the 3rd photoelectric sensor 54 sends control command to corresponding lift drive mechanism, out of service and the super deviation of the corresponding servo position of alarm of lift drive mechanism, effectively avoid servo overload and plunger rod 11 to shift out or withstand the phenomenon of the pump housing, effectively improve the plunger reliability and safety of the pump housing.
In the present embodiment, photoelectric sensor is mirror retroreflective photoelectric sensor, detection components 5 also comprises the photoelectricity dash receiver 55 for receiving photoelectric sensor optical signal, photoelectricity dash receiver 55 and photoelectric sensor positioned opposite are in the both sides of lifting arm assembly 3, in other embodiments, photoelectric sensor can be correlation photoelectric sensor or the electric transducer that diffuses, and when diffusing electric transducer, the electric transducer that diffuses can not arrange photoelectricity dash receiver 55.
Consult Fig. 1, the lift drive mechanism of the present embodiment comprises screw mandrel 2 and the actuating motor 4 that drives screw mandrel 2 to rotate, the drive end of actuating motor 4 is connected with screw mandrel 2 by coupling, in other embodiments, lift drive mechanism assembly can be and gear rack, the mechanisms such as piston, lifting arm assembly 3 comprises screw rod bushing 31 and lifting connecting rod 32, screw rod bushing 31 is supporting with screw mandrel 2, one end of lifting connecting rod 32 is connected with plunger rod 11, screw rod bushing 31 is located on lifting connecting rod 32, screw rod bushing cyclical movement Shang Xia 31 under screw mandrel 2 rotatablely moves drive, and drive plunger rod 11 periodically to move up and down.In the present embodiment, location sensitive piece 51 is located on screw rod bushing 31, and in other embodiments, location sensitive piece 51 also can be located on lifting connecting rod 32.
In the present embodiment, also comprise the electric machine support 6 for actuating motor 4 is installed, electric machine support 6 is provided with through hole 61, passes through for the optical signal for photoelectric sensor, and the two ends of screw mandrel 2 are fixed on electric machine support 6 by leading screw axle bed 7.
In the present embodiment, after device power or servo reposition, actuating motor 4 location reference point of resetting according to the following steps, before producing, the position of all servo location sensitive pieces 51 is at the second photoelectric sensor 53, between the 3rd photoelectric sensor 54, according to each servo absolute encoder numerical value, all servoly move downward one by one, when the 3rd photoelectric sensor 54 of being located at limit inferior position detects signal, corresponding servo stopping, then change moving direction, within the scope of regular coding device value, its location sensitive piece 51 stops after triggering the first photoelectric sensor 52, orientate reference origin as, upwards be offset fixed length and avoid blocking the first photoelectric sensor 52 detection positions simultaneously, now next servo beginning moves downward, repeat above step, until all servo reposition reference origin that complete.
Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (10)
1. a filling pump system, comprise filling pump (1), the lifting arm assembly (3) of plunger rod (11) and the lift drive mechanism that drives lifting arm assembly (3) to move up and down are housed, it is characterized in that, also comprise controller and the detection components (5) for detection of lifting arm assembly (3) lifting position, described controller sends control command to lift drive mechanism according to the testing signal of detection components (5).
2. filling pump system according to claim 1, it is characterized in that, described detection components (5) comprises location sensitive piece (51) and for responding to location sensitive piece (51) photoelectric sensor coordinating, it is upper that described location sensitive piece (51) is located at lifting arm assembly (3), and described photoelectric sensor is located at the outside of lifting arm assembly (3).
3. filling pump system according to claim 2, it is characterized in that, described photoelectric sensor comprises the first photoelectric sensor (52) for detection of lifting arm assembly (3) reference position, described lifting arm assembly (3) reference position is to ensure that it is the reference position of Standard Selection that plunger rod (11) has enough movement travels in filling pump (1), and described the first photoelectric sensor (52) is located at the corresponding position of reference position.
4. filling pump system according to claim 3, is characterized in that, described photoelectric sensor also comprises for detection of second photoelectric sensor (53) of lifting arm assembly (3) high-low limit position, the 3rd photoelectric sensor (54).
5. according to the filling pump system described in claim 2 to 4 any one, it is characterized in that the one that described photoelectric sensor is mirror retroreflective photoelectric sensor, diffuse in electric transducer and correlation photoelectric sensor.
6. filling pump system according to claim 5, it is characterized in that, when described photoelectric sensor is mirror retroreflective photoelectric sensor or correlation photoelectric sensor, described detection components (5) also comprises the photoelectricity dash receiver (55) for receiving photoelectric sensor optical signal, and described photoelectricity dash receiver (55) and photoelectric sensor difference positioned opposite are in the both sides of lifting arm assembly (3).
7. according to the filling pump system described in claim 1 to 4 any one, it is characterized in that, described lift drive mechanism comprises screw mandrel (2) and the actuating motor (4) that drives screw mandrel (2) to rotate, and described lifting arm assembly (3) comprises the screw rod bushing (31) supporting with screw mandrel (2).
8. filling pump system according to claim 7, it is characterized in that, described lifting arm assembly (3) also comprises lifting connecting rod (32), and one end of described lifting connecting rod (32) is connected with plunger rod (11), and described screw rod bushing (31) is located on lifting connecting rod (32).
9. filling pump system according to claim 8, is characterized in that, also comprises electric machine support (6), and described electric machine support (6) is provided with the through hole (61) passing through for photoelectric sensor optical signal.
10. filling pump system according to claim 9, is characterized in that, the two ends of described screw mandrel (2) are fixed on electric machine support (6) by leading screw axle bed (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420015353.4U CN203783860U (en) | 2014-01-10 | 2014-01-10 | Filling pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420015353.4U CN203783860U (en) | 2014-01-10 | 2014-01-10 | Filling pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783860U true CN203783860U (en) | 2014-08-20 |
Family
ID=51320053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420015353.4U Expired - Lifetime CN203783860U (en) | 2014-01-10 | 2014-01-10 | Filling pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783860U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048094A (en) * | 2015-08-19 | 2015-11-11 | 浙江胜百信息科技有限公司 | Broadband integrated MIMO antenna |
| CN105161853A (en) * | 2015-08-19 | 2015-12-16 | 浙江胜百信息科技有限公司 | Multi-terminal outdoor base station antenna |
| CN107642472A (en) * | 2016-07-20 | 2018-01-30 | 北京普源精电科技有限公司 | Infusion pump and its self-test repositioning method with self-protection function |
| CN108394595A (en) * | 2018-04-09 | 2018-08-14 | 杨晓鑫 | A kind of medical automatic particle counter |
| CN109391711A (en) * | 2018-09-29 | 2019-02-26 | 维沃移动通信有限公司 | A kind of telescopic component and terminal device |
-
2014
- 2014-01-10 CN CN201420015353.4U patent/CN203783860U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048094A (en) * | 2015-08-19 | 2015-11-11 | 浙江胜百信息科技有限公司 | Broadband integrated MIMO antenna |
| CN105161853A (en) * | 2015-08-19 | 2015-12-16 | 浙江胜百信息科技有限公司 | Multi-terminal outdoor base station antenna |
| CN105048094B (en) * | 2015-08-19 | 2018-02-09 | 浙江胜百信息科技有限公司 | A kind of wideband integration mimo antenna |
| CN107642472A (en) * | 2016-07-20 | 2018-01-30 | 北京普源精电科技有限公司 | Infusion pump and its self-test repositioning method with self-protection function |
| CN108394595A (en) * | 2018-04-09 | 2018-08-14 | 杨晓鑫 | A kind of medical automatic particle counter |
| CN109391711A (en) * | 2018-09-29 | 2019-02-26 | 维沃移动通信有限公司 | A kind of telescopic component and terminal device |
| CN109391711B (en) * | 2018-09-29 | 2021-01-26 | 维沃移动通信有限公司 | Telescopic assembly and terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
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| CX01 | Expiry of patent term |