CN105298812A - Peristaltic pump with variable roller phase - Google Patents
Peristaltic pump with variable roller phase Download PDFInfo
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- CN105298812A CN105298812A CN201510597579.9A CN201510597579A CN105298812A CN 105298812 A CN105298812 A CN 105298812A CN 201510597579 A CN201510597579 A CN 201510597579A CN 105298812 A CN105298812 A CN 105298812A
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- roller
- roller group
- passive
- peristaltic pump
- drive roller
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Abstract
The embodiment of the invention discloses a peristaltic pump with a variable roller phase. The peristaltic pump comprises a driving roller unit, at least one driven roller unit, a driving roller carrier, a driven roller carrier and a motor capable of rotating forwards and reversely, wherein the driving roller unit comprises at least one roller shaft and at least one roller arranged on the roller shaft in a sleeving manner, and the driven roller unit comprises at least one roller shaft and at least one roller arranged on the roller shaft in a sleeving manner; the driving roller unit comprises the driving roller carrier, and the driving roller carrier is arranged on a motor main shaft in a sleeving manner; the driven roller unit comprises the driven roller carrier, and the driven roller carrier is arranged on the motor main shaft in a sleeving manner by a bearing support; under a liquid pumping work condition that the motor rotates forwards, the phase difference between the driving roller unit and the driven roller unit is 180 degrees; and when the motor rotates reversely, the phase difference between the driving roller unit and the driven roller unit is smaller than a preset angle. The peristaltic pump realizes a variable phase difference between the roller units, finishes the action of loosening a hose, is simple to control, and is low in cost.
Description
Technical field
The present invention relates to peristaltic pump structure renovation technique field, more particularly, relate to a kind of peristaltic pump of roller phase variable.
Background technique
Peristaltic pump is a kind of novel device, is widely used in the industries such as pharmacy, food, chemical industry, the solution medium that delivery industry is special.
Peristaltic pump comprises driving mechanism, pump head and flexible pipe.Driving mechanism drives the roller of pump head to rotate, and in pump head part, is hocketed extrude and discharge pumping fluid by the elasticity delivery hose of briquetting to pump.
Existing peristaltic pump has needed the conveying of fluid and has suspended the action of conveying, and to make fluid path logical or loosen the over-borrowing of flexible pipe existing peristaltic pump and help manual realization, and the peristaltic pump that flexible pipe is loosened in automation can be realized, there is cost high, baroque technological deficiency.
Summary of the invention
In view of this, the invention provides a kind of peristaltic pump of roller phase variable, loosen flexible pipe to realize automation and fluid path is led to, and with low cost, simple for structure.
A peristaltic pump for roller phase variable, comprising: drive roller group, at least one passive roller group, drive roller frame, passive turning rolls and can the motor of clockwise and anticlockwise, wherein:
Described drive roller group comprises at least one roller shaft and is socketed on the roller of this roller shaft, and described passive roller group comprises at least one roller shaft and is socketed on the roller of this roller shaft;
Described drive roller group comprises described drive roller frame, and described drive roller frame is socketed on described electric machine main shaft;
Described passive roller group comprises described passive turning rolls, and described passive turning rolls is socketed on described electric machine main shaft by bearings;
Motor rotate forward beat liquid operating mode under, the phase difference of described drive roller group and described passive roller group is 180 °;
When described motor reversal, the phase difference of described drive roller group and described passive roller group is less than predetermined angle, and described predetermined angle is that described drive roller group and described passive roller group are simultaneously away from the angle of the flexible pipe track of described peristaltic pump;
Be provided with permanent magnet between described passive turning rolls and the frame of described peristaltic pump, the roller shaft of described passive roller group is magnetic conductive material.
Preferably, the rear shaft of described motor connects code-disc respectively.
As can be seen from above-mentioned technological scheme, the peristaltic pump of the roller phase variable of the embodiment of the present invention, be provided with drive roller group and passive roller group group, be included in active rotation under driven by motor drive roller group and under described drive roller group drives the passive roller group of passive rotation; That is, drive roller group comprises drive roller frame, and passive roller group comprises passive turning rolls; Drive roller frame is connected with described electric machine main shaft; Passive turning rolls leans on bearings on described electric machine main shaft:
During normal work, described drive roller frame can be stirred passive turning rolls by driven by motor rotation and rotate together, and the phase difference now between drive roller group and passive roller group is 180 °, can beat liquid continuously, realizes the material transferring function of peristaltic pump; When needs loosen flexible pipe and make fluid path lead to, motor reversal drives the reversion of drive roller frame, permanent magnet is provided with between described passive turning rolls and the frame of described peristaltic pump, be not struck owing to having suction between passive turning rolls and roller shaft, start again to contact with passive turning rolls after now drive roller frame reversion several angle, drive roller group and passive roller group phase difference are reduced to predetermined angle, and described predetermined angle is that described drive roller group and described passive roller group are simultaneously away from the angle of the flexible pipe track of described peristaltic pump; Flexible pipe track does not have roller, is convenient for changing flexible pipe.
This peristaltic pump structure compact, realizes the function of the good switching of fluid path, under the drive that rotates and reverse of the motor of clockwise and anticlockwise, can realize phase difference between peristaltic pump roller variable, completing the action loosening flexible pipe, not only controlling simple, and with low cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The peristaltic pump structure schematic diagram of Fig. 1 a roller phase variable disclosed in the embodiment of the present invention;
The peristaltic pump system structural representation of Fig. 1 b roller phase variable disclosed in the embodiment of the present invention;
In the peristaltic pump of Fig. 2 roller phase variable disclosed in the embodiment of the present invention, relational structure schematic diagram under liquid operating mode is played in drive roller group and passive roller group position;
In the peristaltic pump of Fig. 3 roller phase variable disclosed in the embodiment of the present invention, drive roller group and passive roller group unclamp flexible pipe position relationship structural representation;
Relational structure schematic diagram under liquid operating mode is played in the peristaltic pump drive roller group of Fig. 4 roller phase variable disclosed in further embodiment of this invention and passive roller group position;
Peristaltic pump drive roller group and the passive roller group of Fig. 5 roller phase variable disclosed in further embodiment of this invention unclamp flexible pipe position relationship;
Relational structure schematic diagram under liquid operating mode is played in the peristaltic pump drive roller group of Fig. 6 roller phase variable disclosed in further embodiment of this invention and passive roller group position;
Peristaltic pump drive roller group and the passive roller group of roller phase variable disclosed in Fig. 7 further embodiment of this invention unclamp flexible pipe position relationship.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of peristaltic pump of roller phase variable, loosen flexible pipe to realize automation, and with low cost, simple for structure.
Fig. 1 a-1b shows a kind of peristaltic pump of roller phase variable, comprising:
Drive roller group 1, at least one passive roller group 2, drive roller frame 3, passive turning rolls 4 and can the motor 5 of clockwise and anticlockwise, wherein:
Composition graphs 1a-1b is described:
Described drive roller group 1 comprises at least one roller shaft (mark) and is socketed on the roller of this roller shaft, and described passive roller group 2 comprises at least one roller shaft 6 and is socketed on the roller of this roller shaft;
Described drive roller group 1 comprises described drive roller frame 3, and described drive roller frame 3 is socketed on described motor 5 main shaft;
Described passive roller group 2 comprises described passive turning rolls 4, and described passive turning rolls 4 is connected on described motor 5 main shaft by bearing 41 supporting sleeve;
As preferably, in Fig. 1 a, the drive roller group 1 of described peristaltic pump comprises a roller, and described passive roller group 2 is provided with one, and described passive roller group 2 comprises a roller, but is not limited thereto.
It should be noted that, describedly the motor of clockwise and anticlockwise can select stepper motor.Described passive turning rolls 4 relies on roller bearings on the main shaft of stepper motor 5, is not directly connected with main shaft, and main axis can not drive passive turning rolls; Drive roller frame 4 is installed on the main shaft of motor 5.
See Fig. 1 b, between described passive turning rolls 4 and the frame 7 of described peristaltic pump, be provided with permanent magnet 8.The effect of described permanent magnet 8 increases damping between passive turning rolls 4 and frame 3; Produce a suction when making passive turning rolls 4 forward certain position (as stop position) to and between frame 3 at every turn, prevent passive turning rolls 4 because the effect of frictional force is rotated with drive roller frame 4 improperly time, ensure the reliability of the transposition action of drive roller.Accordingly, the material of described roller shaft 6 is permeability magnetic material, can by attraction.
Motor rotate forward beat liquid operating mode under, the phase difference of described drive roller group 1 and described passive roller group 2 is 180 °;
When described motor reversal, described drive roller group 1 is less than predetermined angle with the phase difference of described passive roller group 2, and described predetermined angle is described drive roller group 1 and the angle away from the flexible pipe track of described peristaltic pump while of described 2 groups, passive roller.
The frame 3 of the peristaltic pump of described roller phase variable is shown in Fig. 1, between this frame 3 and stepper motor 8, has accompanied mounting plate 9; The rear shaft of stepper motor 8 is provided with code-disc 10.On the mounting plate of described code-disc 10 correspondence, photoelectric sensor 11 is housed, described photoelectric sensor 11 belongs to control mechanism parts, does not do too much explaination at this.
It should be noted that, described code-disc 10 has bar-shaped trough, in order to determine the Angle Position residing for drive roller frame.
As shown in Figure 2, when pump be in beat liquid status time: drive roller frame 3 and passive turning rolls laminating; Now as the view location of Fig. 2, described motor 5 rotates clockwise, then drive roller frame 3 is stirred passive turning rolls 4 and rotated clockwise together; Now two roller group are in the phase difference of 180 °, normally can beat liquid;
When needs stop and making fluid path circulate, described motor 5 reverses, drive roller frame 3 is driven to reverse, now passive turning rolls 4 may be in any Angle Position, may reverse together due to the drive of frictional force, as long as but when forwarding stop position to its roller shaft 12 just attract by magnet 8, produce damping; When drive roller frame 3 continues to rotate, ensure that drive roller frame 3 separates with passive turning rolls 4;
As shown in Figure 3, when having needed the action of loose pipe before charge and discharge rubber lined hose, upper described drive roller frame 3 is in above-mentioned stopping and when making fluid path circulate, continue to be rotated counterclockwise 360 °, described motor 5 continues reversion, drive roller frame 3 starts again to contact with passive turning rolls 4 after reversion several angle, now drive roller group 1 and passive roller group group 2 phase difference are reduced to 30 ° (this angle is not limited to), described predetermined angle is described drive roller group 1 and the angle away from the flexible pipe track of described peristaltic pump while of described passive roller group 2, as shown in the figure, together with described drive roller group 1 abuts against with described passive roller group 2 roller, phase difference reduces, and the outer flexible tube track that when stopping, roller is all in flexible pipe track does not have roller.Now roller is in the position shown in Fig. 3, and charge and discharge rubber lined hose (flexible pipe is on work circle, and the semicircle identifying the side of frame 7 in Fig. 1 a is work circle) is very convenient.The rear shaft of described motor 5 is equipped with code-disc 10, and when drive roller frame forwards above-mentioned stop position to, photoelectric sensor obtains signal, and controller makes motor 8 stop operating; Then complete the action of loose pipe;
When needs fluid path disconnects, described motor 5 rotates forward, and described drive roller frame 3 rotates clockwise, and now due to the magnetic force of described magnet 8, described passive turning rolls 4 can't be driven by frictional force; When drive roller frame 3 is fitted with passive turning rolls 4, drive roller group 1 returns to again 180 ° with the phase place of passive roller group 2, and now the roller compression flexible pipe of peristaltic pump conveniently, stops liquor charging.
As preferably, pump case is comprised in order to coordinate above-mentioned peristaltic pump, described pump case cornerite is 180 ° but does not limit to, and the drive roller group 1 that Fig. 4-5 shows peristaltic pump is provided with a roller, and passive roller group 2 is provided with the working state of two rollers when beating liquid and loosen flexible pipe and structure;
The drive roller group 1 that Fig. 6-7 shows peristaltic pump is provided with two rollers, and passive roller group 2 is provided with the working state of two rollers when beating liquid and loosen flexible pipe and structure;
The structure of Fig. 4-7 and working principle illustrate and diagram see Fig. 1-3, and it is no longer repeated.
In sum:
The peristaltic pump of the roller phase variable of the embodiment of the present invention, is provided with drive roller group and passive roller group group, be included in active rotation under driven by motor drive roller group and under described drive roller group drives the passive roller group of passive rotation; That is, drive roller group comprises drive roller frame, and passive roller group comprises passive turning rolls; Drive roller frame is connected with described electric machine main shaft; Passive turning rolls leans on bearings on described electric machine main shaft:
During normal work, described drive roller frame can be stirred passive turning rolls by driven by motor rotation and rotate together, and the phase difference now between drive roller group and passive roller group is 180 °, can beat liquid continuously, realizes the material transferring function of peristaltic pump; When needs loosen flexible pipe and make fluid path lead to, or when changing flexible pipe, motor reversal drives the reversion of drive roller frame, permanent magnet is provided with between described passive turning rolls and the frame of described peristaltic pump, be not struck owing to having suction between passive turning rolls and roller shaft, start again to contact with passive turning rolls after now drive roller frame reversion several angle, drive roller group and passive roller group phase difference are reduced to predetermined angle, and described predetermined angle is that described drive roller group and described passive roller group are simultaneously away from the angle of the flexible pipe track of described peristaltic pump; Flexible pipe track does not have roller, is convenient for changing flexible pipe.
This peristaltic pump structure compact, realizes the function of the good switching of fluid path, under the drive that rotates and reverse of the motor of clockwise and anticlockwise, can realize phase difference between peristaltic pump roller variable, completing the action loosening flexible pipe, not only controlling simple, and with low cost.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the embodiment of the present invention, can realize in other embodiments.Therefore, the embodiment of the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. a peristaltic pump for roller phase variable, is characterized in that, comprising: drive roller group, at least one passive roller group, drive roller frame, passive turning rolls and can the motor of clockwise and anticlockwise, wherein:
Described drive roller group comprises at least one roller shaft and is socketed on the roller of this roller shaft, and described passive roller group comprises at least one roller shaft and is socketed on the roller of this roller shaft;
Described drive roller group comprises described drive roller frame, and described drive roller frame is socketed on described electric machine main shaft;
Described passive roller group comprises described passive turning rolls, and described passive turning rolls is socketed on described electric machine main shaft by bearings;
Motor rotate forward beat liquid operating mode under, the phase difference of described drive roller group and described passive roller group is 180 °;
When described motor reversal, the phase difference of described drive roller group and described passive roller group is less than predetermined angle, and described predetermined angle is that described drive roller group and described passive roller group are simultaneously away from the angle of the flexible pipe track of described peristaltic pump;
Be provided with permanent magnet between described passive turning rolls and the frame of described peristaltic pump, the roller shaft of described passive roller group is magnetic conductive material.
2. the peristaltic pump of roller phase variable as claimed in claim 1, it is characterized in that, the rear shaft of described motor connects code-disc respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597579.9A CN105298812B (en) | 2015-09-18 | 2015-09-18 | A kind of peristaltic pump of roller phase variable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597579.9A CN105298812B (en) | 2015-09-18 | 2015-09-18 | A kind of peristaltic pump of roller phase variable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105298812A true CN105298812A (en) | 2016-02-03 |
| CN105298812B CN105298812B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510597579.9A Active CN105298812B (en) | 2015-09-18 | 2015-09-18 | A kind of peristaltic pump of roller phase variable |
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| Country | Link |
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| CN (1) | CN105298812B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762569A (en) * | 2016-11-30 | 2017-05-31 | 重庆速腾机械制造有限公司 | A kind of multichannel coaxial flow delivery pump |
| CN110030178A (en) * | 2019-03-29 | 2019-07-19 | 长沙执先智量科技股份有限公司 | A kind of high-precision rotary peristaltic pump of cylinder driving |
| WO2021237439A1 (en) * | 2020-05-26 | 2021-12-02 | 大蓝鲸康复科技(南京)有限公司 | Convenient and sanitary defecation device for aged lying in bed |
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| JP2004169623A (en) * | 2002-11-20 | 2004-06-17 | Meteku:Kk | Tube pump |
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| JP2007002717A (en) * | 2005-06-23 | 2007-01-11 | Japan Servo Co Ltd | Series rotor type tube pump |
| CN103225593A (en) * | 2012-01-30 | 2013-07-31 | 精工爱普生株式会社 | Pump apparatus |
| CN205190173U (en) * | 2015-09-18 | 2016-04-27 | 保定兰格恒流泵有限公司 | Changeable peristaltic pump of gyro wheel phase place |
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- 2015-09-18 CN CN201510597579.9A patent/CN105298812B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070725A (en) * | 1975-11-07 | 1978-01-31 | Cornelius Eng | Combined pump and siphon |
| JP2004169623A (en) * | 2002-11-20 | 2004-06-17 | Meteku:Kk | Tube pump |
| JP2005030256A (en) * | 2003-07-09 | 2005-02-03 | Ckd Corp | Tube pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762569A (en) * | 2016-11-30 | 2017-05-31 | 重庆速腾机械制造有限公司 | A kind of multichannel coaxial flow delivery pump |
| CN106762569B (en) * | 2016-11-30 | 2019-08-20 | 重庆速腾机械制造有限公司 | A kind of multichannel coaxial flow delivery pump |
| CN110030178A (en) * | 2019-03-29 | 2019-07-19 | 长沙执先智量科技股份有限公司 | A kind of high-precision rotary peristaltic pump of cylinder driving |
| WO2021237439A1 (en) * | 2020-05-26 | 2021-12-02 | 大蓝鲸康复科技(南京)有限公司 | Convenient and sanitary defecation device for aged lying in bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105298812B (en) | 2017-07-18 |
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