CN109139436B - Roller transmission device of linear peristaltic pump - Google Patents
Roller transmission device of linear peristaltic pump Download PDFInfo
- Publication number
- CN109139436B CN109139436B CN201811157413.5A CN201811157413A CN109139436B CN 109139436 B CN109139436 B CN 109139436B CN 201811157413 A CN201811157413 A CN 201811157413A CN 109139436 B CN109139436 B CN 109139436B
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- CN
- China
- Prior art keywords
- assembly
- guide
- guide shaft
- roller
- transmission
- Prior art date
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1223—Machines, pumps, or pumping installations having flexible working members having peristaltic action the actuating elements, e.g. rollers, moving in a straight line during squeezing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a roller transmission device of a linear peristaltic pump, which is used for driving a roller assembly to reciprocate and comprises a transmission assembly, a guide shaft and a guide bearing, wherein the guide shaft is arranged on the guide bearing, one end of the guide shaft is connected with the driving end of the transmission assembly, the other end of the guide shaft is connected with the roller assembly, and the guide shaft carries the roller assembly to reciprocate linearly under the driving of the transmission assembly. The invention has the advantages of simple and compact structure, small volume, suitability for aseptic production environment and the like.
Description
Technical Field
The invention mainly relates to the technical field of peristaltic pumps, in particular to a roller transmission device of a linear peristaltic pump.
Background
With the development of technology, the requirements of a plurality of special industries on the accuracy and the cleanliness of metering are higher and higher, such as the biopharmaceutical industry, the medical industry, the chemical industry and the like. At present, when the fluid is precisely metered, plunger pump and peristaltic pump technologies are generally adopted. However, the existing methods still have some defects, so that the accuracy of metering is greatly affected.
The existing peristaltic pump technology generally comprises two structural forms of a rotary peristaltic pump and a linear peristaltic pump. In the conventional linear peristaltic pump technology, as shown in fig. 1 and 2, the transmission of the roller assembly 2 adopts a screw transmission device 4 or a module transmission device 3 arranged right below the working hose 1, and the technical problem of the transmission device is that: in the environment with higher use requirements, the transmission device cannot be well sealed and is exposed outside, especially in the environment like medicine production, and the transmission device is applied to the dynamic A-level sterile production environment, and if the transmission device cannot be sealed according to the requirements, the transmission device cannot meet the national regulation medicine production requirements and cannot be applied.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the technical problems existing in the prior art, the invention provides the linear peristaltic pump roller transmission device which has a simple and compact structure and a small volume and is suitable for the aseptic production environment.
In order to solve the technical problems, the invention adopts the following technical scheme:
A roller transmission device of a linear peristaltic pump is used for driving a roller assembly to reciprocate and comprises a transmission assembly, a guide shaft and a guide bearing, wherein the guide shaft is arranged on the guide bearing, one end of the guide shaft is connected with a driving end of the transmission assembly, the other end of the guide shaft is connected with the roller assembly, and the guide shaft carries the roller assembly to reciprocate linearly under the driving of the transmission assembly.
As a further improvement of the invention: the guide shafts are arranged in the vertical direction.
As a further improvement of the invention: the two ends of the guide shaft are respectively provided with an upper guide shaft fixing plate and a lower guide shaft fixing plate, so that the guide shaft has the functions of guiding and preventing rotation.
As a further improvement of the invention: the guide assembly is a double-shaft guide assembly, and the roller assembly is arranged on the double-shaft guide assembly.
As a further improvement of the invention: the transmission assembly comprises a transmission motor, a coupler and a screw rod assembly, wherein the transmission motor is connected with the screw rod assembly through the coupler, the guide shaft is connected to the screw rod assembly, and the screw rod assembly carries the guide shaft to do linear reciprocating motion under the driving of the transmission motor.
As a further improvement of the invention: the guide shaft makes lifting type linear reciprocating motion.
As a further improvement of the invention: the guide shaft and the guide bearing are both encapsulated in a pump body cover.
As a further improvement of the invention: the roller transmission device is provided with a pump body seat.
As a further improvement of the invention: and a sealing ring assembly is arranged between the guide shaft and the pump body seat.
As a further improvement of the invention: the transmission assembly is a linear motor guide assembly, a linear motor in the linear motor guide assembly is used as a driving piece, and a guide shaft connected with the linear motor guide assembly is made to linearly reciprocate and linearly through the driving piece; the linear motor guide assembly is encapsulated in a pump body cover and is arranged above the frame panel.
Compared with the prior art, the invention has the advantages that: the roller transmission device of the linear peristaltic pump has a simple and compact structure, adopts a guide shaft to drive the rollers, and has good synchronism and high transmission precision. The invention further adopts a closed design, has good sealing performance, and is more suitable for working in a sterile production environment. Moreover, the lifting type linear motion mode is adopted, so that the volume and the occupied space of the whole equipment are greatly reduced.
Drawings
Fig. 1 is a schematic diagram of a conventional linear peristaltic pump module driving roller device.
Fig. 2 is a schematic structural diagram of a screw drive roller device of a conventional linear peristaltic pump.
Fig. 3 is a schematic view of the structure of the present invention in an embodiment.
Fig. 4 is a schematic top view of fig. 3.
Fig. 5 is a schematic view of the structure of the present invention in another embodiment.
Legend description:
1. A working hose; 2. a roller assembly; 3. a module transmission assembly; 4. a lead screw drive assembly; 5. a guide moving assembly; 51. A drive motor; 52. a coupling; 53. a lead screw assembly; 54. a guide shaft; 55. a pump body seat; 56. a guide bearing; 57. a seal ring assembly; 58. a pump body cover; 591. an upper guide shaft fixing plate; 592. a lower guide shaft fixing plate; 6. a frame panel; 7. a linear motor guide assembly; 71. a linear motor.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 3 and 4, a linear peristaltic pump roller transmission device of the present invention is used to drive the roller assembly 2 to reciprocate. The roller transmission device comprises a transmission assembly, a guide shaft 54 and a guide bearing 56, wherein the guide shaft 54 is arranged on the guide bearing 56, one end of the guide shaft 54 is connected with the driving end of the transmission assembly, the other end of the guide shaft 54 is connected with the roller assembly 2, and the guide shaft 54 carries the roller assembly 2 to do linear reciprocating movement under the driving of the transmission assembly.
In this embodiment, the guide shafts 54 are arranged in a vertical direction to reduce the footprint of the overall apparatus. The guide shaft 54 has upper and lower guide shaft fixing plates 591 and 592, respectively, at both ends thereof, for guiding and preventing rotation.
In this embodiment, the transmission assembly includes a transmission motor 51, a coupling 52 and a screw assembly 53, the transmission motor 51 is connected to the screw assembly 53 through the coupling 52, a guide shaft 54 is connected to the screw assembly 53, and the screw assembly 53 carries the guide shaft 54 to perform linear reciprocating motion, such as lifting linear reciprocating motion in this example, under the driving of the transmission motor 51. In this example, a lower guide shaft fixing plate 592 is coupled to the screw assembly 53 and moves the guide shaft 54 up and down. The roller assembly 2 is fixed to the upper guide shaft fixing plate 591.
In this embodiment, the guiding assembly is a dual-axis guiding assembly 5, and the roller assembly 2 is mounted on the dual-axis guiding assembly 5.
In this embodiment, the guide shaft 54 and the guide bearing 56 in the whole roller transmission device are both encapsulated in a pump housing 58, and a pump housing 55 is provided to ensure the cleanliness of the working environment. The pump body seat 55 is sealingly mounted on the machine frame panel 6 of the apparatus.
In this embodiment, a seal ring assembly 57 is disposed between the guide shaft 54 and the pump body seat 55, a pump body cover 58 serving as a dust cover is disposed on the outer side of the whole moving part, and all transmission parts are disposed inside the pump body seat 55 and below the frame panel 6, so that the transmission parts are effectively sealed, and the oil dirt and particles in the transmission are completely isolated from the clean environment, so that the device meets the requirements of drug production.
As shown in fig. 5, in another specific application example, the transmission assembly is a linear motor guiding assembly 7, and a linear motor 71 in the linear motor guiding assembly 7 is used as a driving member, and the guiding shaft 54 connected with the driving member is made to linearly reciprocate and linearly by the driving member.
In this embodiment, the linear motor guide assembly 7 is enclosed in a pump housing 58 and may be disposed above the frame panel 6 without occupying the lower space of the frame panel 6.
In this embodiment, the guide shaft 54 and guide bearing 56 may be prior art guide rails and slides or other guide means.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (6)
1. The roller transmission device of the linear peristaltic pump is used for driving the roller assembly (2) to reciprocate and is characterized by comprising a transmission assembly, a guide shaft (54) and a guide bearing (56), wherein the guide shaft (54) is arranged on the guide bearing (56), one end of the guide shaft (54) is connected with the driving end of the transmission assembly, the other end of the guide shaft (54) is connected with the roller assembly (2), and the guide shaft (54) carries the roller assembly (2) to reciprocate linearly under the driving of the transmission assembly;
the guide shafts (54) are arranged in the vertical direction; the guide shaft (54) performs lifting type linear reciprocating motion;
The two ends of the guide shaft (54) are respectively provided with an upper guide shaft fixing plate (591) and a lower guide shaft fixing plate (592) which play a role in guiding and preventing rotation;
the roller transmission device of the linear peristaltic pump further comprises a guide assembly, the guide assembly is a double-shaft guide assembly (5), and the roller assembly (2) is arranged on the double-shaft guide assembly (5).
2. The linear peristaltic pump roller transmission device according to claim 1, wherein the transmission assembly comprises a transmission motor (51), a coupler (52) and a screw rod assembly (53), the transmission motor (51) is connected with the screw rod assembly (53) through the coupler (52), the guide shaft (54) is connected to the screw rod assembly (53), and the screw rod assembly (53) carries the guide shaft (54) to do linear reciprocating motion under the driving of the transmission motor (51).
3. The linear peristaltic pump roller drive of any one of claims 1-2, wherein the guide shaft (54) and guide bearing (56) are both enclosed within a pump housing (58).
4. A linear peristaltic pump roller drive as claimed in any one of claims 1 to 2, wherein the roller drive is provided with a pump mount (55).
5. The linear peristaltic pump roller drive device of claim 4, characterized in that a sealing ring assembly (57) is provided between the guide shaft (54) and the pump body seat (55).
6. The linear peristaltic pump roller transmission device according to any one of claims 1-2, characterized in that the transmission assembly is a linear motor guide assembly (7), wherein a linear motor (71) in the linear motor guide assembly (7) is used as a driving member, and a guide shaft (54) connected with the linear motor guide assembly is made to reciprocate linearly through the driving member; the linear motor guide assembly (7) is encapsulated in a pump body cover (58) and is arranged above the frame panel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157413.5A CN109139436B (en) | 2018-09-30 | 2018-09-30 | Roller transmission device of linear peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157413.5A CN109139436B (en) | 2018-09-30 | 2018-09-30 | Roller transmission device of linear peristaltic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109139436A CN109139436A (en) | 2019-01-04 |
| CN109139436B true CN109139436B (en) | 2024-06-18 |
Family
ID=64814174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811157413.5A Active CN109139436B (en) | 2018-09-30 | 2018-09-30 | Roller transmission device of linear peristaltic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139436B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412128B (en) * | 2020-03-23 | 2024-06-04 | 小光子(武汉)科技有限公司 | A linear peristaltic pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696263U (en) * | 2010-05-06 | 2011-01-05 | 深圳市绿恩环保技术有限公司 | Double-core peristaltic pump |
| CN103557144A (en) * | 2013-11-07 | 2014-02-05 | 常州普瑞流体技术有限公司 | Linear type peristaltic pump for precise and quantitative fluid conveying |
| CN209510597U (en) * | 2018-09-30 | 2019-10-18 | 长沙执先智量科技股份有限公司 | A kind of linear peristaltic pump roller gearing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452818A (en) * | 2013-09-16 | 2013-12-18 | 北京机械设备研究所 | Peristaltic pump for conveying fluid under vacuum environment |
| CN207018179U (en) * | 2017-07-21 | 2018-02-16 | 长沙执先智量科技股份有限公司 | A kind of combined type high precision peristaltic pump |
| CN107246379A (en) * | 2017-07-21 | 2017-10-13 | 长沙执先智量科技股份有限公司 | A kind of linear high precision peristaltic pump |
| CN107246380B (en) * | 2017-07-21 | 2021-03-23 | 长沙执先智量科技股份有限公司 | Linear peristaltic pump |
| CN108119325A (en) * | 2018-02-01 | 2018-06-05 | 大庆参勃电器有限公司 | Pumping unit linear drive apparatus |
-
2018
- 2018-09-30 CN CN201811157413.5A patent/CN109139436B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696263U (en) * | 2010-05-06 | 2011-01-05 | 深圳市绿恩环保技术有限公司 | Double-core peristaltic pump |
| CN103557144A (en) * | 2013-11-07 | 2014-02-05 | 常州普瑞流体技术有限公司 | Linear type peristaltic pump for precise and quantitative fluid conveying |
| CN209510597U (en) * | 2018-09-30 | 2019-10-18 | 长沙执先智量科技股份有限公司 | A kind of linear peristaltic pump roller gearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109139436A (en) | 2019-01-04 |
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| CB02 | Change of applicant information |
Address after: 410129 room 607, building 4, Xingwei Chuangxin garden, No.57, south section of Huangxing Avenue, Langli street, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Applicant after: Hunan Zhixian Technology Co.,Ltd. Address before: 410129 room 607, building 4, Xingwei Chuangxin garden, No.57, south section of Huangxing Avenue, Langli street, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Applicant before: CHANGSHA ZENITHSUN INTELLIGENCE QUANTITATIVE TECHNOLOGY Co.,Ltd. |
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