CN107237741B - Combined high-precision peristaltic pump - Google Patents
Combined high-precision peristaltic pump Download PDFInfo
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- CN107237741B CN107237741B CN201710600339.9A CN201710600339A CN107237741B CN 107237741 B CN107237741 B CN 107237741B CN 201710600339 A CN201710600339 A CN 201710600339A CN 107237741 B CN107237741 B CN 107237741B
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- Prior art keywords
- assembly
- hose
- reciprocating motion
- roller
- linear reciprocating
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- 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
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- 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
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
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- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a combined high-precision peristaltic pump, which comprises: the device comprises a lifting driving assembly, a pump body assembly, more than two groups of linear reciprocating motion modules, a backflow prevention device, a pressure pipe roller assembly and at least one group of hose assemblies; the lifting driving assembly, the backflow preventing device and the hose assembly are all arranged on the pump body assembly; more than two groups of linear reciprocating motion modules are arranged on the lifting driving assembly in parallel, and the linear reciprocating motion modules are driven to synchronously lift through the lifting driving assembly; each group of the linear reciprocating motion modules is provided with a set of pressure pipe roller assemblies; the backflow prevention device is arranged at one end of the linear reciprocating motion module and used for clamping and loosening the hose assembly. The invention has the advantages of simple structure, low cost, installation space saving, energy consumption reduction, capability of meeting the filling precision requirements of different pipelines and the like.
Description
Technical Field
The invention mainly relates to the technical field of fluid metering, in particular to a combined high-precision peristaltic pump suitable for fluid.
Background
With the development of technology, the requirements of many special industries on the precision and cleanliness of measurement are higher and higher, such as the biopharmaceutical industry, the medical industry, the chemical industry and the like. At present, plunger pump and peristaltic pump technologies are generally adopted when the fluid is accurately metered. However, the existing method still has some defects, thereby greatly influencing the metering accuracy.
In the prior art, the peristaltic pump is generally a single-head single-tube peristaltic pump or a single-head multi-tube peristaltic pump. The single-head single-tube peristaltic pump controls the filling precision by one filling power, and the precision control is high. However, most of the filling equipment in the existing equipment application is multi-head filling equipment, and if a single-head single-tube peristaltic pump is used for filling, the installation space is required to be large, and the energy consumption is very high. The single-head multi-pipe peristaltic pump controls the filling of a plurality of pipelines by one filling power, so that the energy consumption is greatly reduced, the installation space is saved, but the filling precision of each pipe cannot be independently controlled and adjusted, and the filling precision is poor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the technical problems in the prior art, the invention provides the combined high-precision peristaltic pump which is simple in structure, low in cost, capable of saving the installation space and reducing the energy consumption, and capable of meeting the filling precision requirements of different pipelines.
In order to solve the technical problems, the invention adopts the following technical scheme:
a combination high precision peristaltic pump comprising: the device comprises a lifting driving assembly, a pump body assembly, more than two groups of linear reciprocating motion modules, a backflow prevention device, a pressure pipe roller assembly and at least one group of hose assemblies; the lifting driving assembly, the backflow preventing device and the hose assembly are all arranged on the pump body assembly; more than two groups of linear reciprocating motion modules are arranged on the lifting driving assembly in parallel, and the linear reciprocating motion modules are driven to synchronously lift through the lifting driving assembly; each group of the linear reciprocating motion modules is provided with a set of pressure pipe roller assemblies; the backflow prevention device is arranged at one end of the linear reciprocating motion module and used for clamping and loosening the hose assembly.
As a further improvement of the invention: the lifting driving assembly comprises a driving power component, an auxiliary guide mechanism and a module mounting plate, the module mounting plate is used for mounting more than two groups of linear reciprocating motion modules and is connected with the output end of the driving power component, and the auxiliary guide mechanism is arranged and connected on the stroke of lifting movement.
As a further improvement of the invention: the lifting driving component also comprises a lifting linkage connecting rod mechanism used for ensuring the motion synchronism of all the linear reciprocating motion modules.
As a further improvement of the invention: the pump body assembly comprises a base, a hose fixing plate, a side sealing plate, an upper cover plate and a locking device, the hose assembly is fixedly installed on the hose fixing plate, and the upper cover plate is connected with the hose fixing plate in a locking mode through the locking device.
As a further improvement of the invention: the hose assembly is arranged between the pressure pipe roller assembly and the upper cover plate.
As a further improvement of the invention: the backflow prevention device comprises a backflow pressure pipe driving part, a connecting swing plate, a driving swing arm mechanism, a pressure pipe swing arm, a pressure pipe base and a pipe clamping head; the pipe pressing swing arms are more than two, each pipe pressing swing arm is provided with a pipe pressing base and a pipe clamping head, all the pipe pressing swing arms are arranged on the connecting swing plate, the connecting swing plate is driven by the driving swing arm mechanism to complete swinging, so that the pipe pressing bases, the pipe clamping heads and the hose assemblies are matched to perform backflow prevention operation.
As a further improvement of the invention: the pipe pressing roller assembly comprises a roller mounting seat, a pipe pressing roller and a roller shaft, the pipe pressing roller is mounted on the roller mounting seat through the roller shaft, and the pipe pressing roller is used for being matched with the hose assembly to perform extrusion action.
As a further improvement of the invention: the hose assembly comprises an elastic hose and pipe joints, the elastic hose is arranged along the motion direction of the linear reciprocating motion module, and the pipe joints are arranged at two ends of the elastic hose.
As a further improvement of the invention: the backflow prevention device is an backflow prevention valve.
As a further improvement of the invention: the anti-backflow valve is a one-way valve or a pinch valve.
Compared with the prior art, the invention has the advantages that: the combined high-precision peristaltic pump has the advantages of simple structure, small space and low energy consumption, the filling precision of each pipeline can be independently adjusted, the installation space can be saved, the energy consumption can be reduced, and the filling precision requirements of different pipelines can be simultaneously met.
Drawings
Fig. 1 is a front sectional view of a structure according to a first embodiment of the present invention.
Fig. 2 is a left side sectional view of fig. 1.
FIG. 3 is an isometric view of a lift drive assembly according to an embodiment of the present invention.
FIG. 4 is an axial view of a plurality of sets of backflow prevention devices in accordance with one embodiment of the present invention.
FIG. 5 is an isometric view of a single backflow device in accordance with one embodiment of the present invention.
Fig. 6 is a front sectional view of the second embodiment of the present invention.
Illustration of the drawings:
1. a lift drive assembly; 11. a drive power component; 12. an auxiliary guide mechanism; 13. a module mounting plate; 14. a lifting linkage link mechanism; 2. A pump body assembly; 21. a base; 22. a hose fixing plate; 23. a side sealing plate; 24. an upper cover plate; 25. a locking device; 3. a linear reciprocating motion module; 4. a backflow prevention device; 41. a return pressure pipe drive part; 42. connecting the swinging plate; 43. driving a swing arm mechanism; 44. pressing a pipe swing arm; 45. pressing a pipe base; 46. clamping a pipe head; 5. pressing a pipe roller assembly; 51. a roller mounting seat; 52. pressing a pipe roller; 53. a roller shaft; 6. a hose assembly; 61. an elastic hose; 62. a pipe joint.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
As shown in fig. 1 to 5, a combined high-precision peristaltic pump of the present invention includes: the device comprises a lifting driving assembly 1, a pump body assembly 2, more than two groups of linear reciprocating motion modules 3, a backflow prevention device 4, a pressure pipe roller assembly 5 and at least one group of hose assemblies 6. The lifting driving assembly 1, the backflow prevention device 4 and the hose assembly 6 are all arranged on the pump body assembly 2; more than two groups of linear reciprocating motion modules 3 are arranged on the lifting driving component 1 in parallel, and are driven by the lifting driving component 1, and the more than two groups of linear reciprocating motion modules 3 can do synchronous lifting motion. Pipe roller assembly 5 direct fixed mounting presses pipe roller assembly 5's quantity the same with straight reciprocating motion module 3's quantity on the straight reciprocating motion module 3, and the one set of pipe roller assembly 5 of pressing of installation on every group straight reciprocating motion module 3. The hose assemblies 6 are arranged between the pressure pipe roller assemblies 5 and the upper cover plate 24 of the pump body assembly 2, and the number of the hose assemblies 6 is the same as that of the pressure pipe roller assemblies 5; a backflow preventing means 4 is provided at one end of the linear reciprocating module 3 for clamping and releasing the hose assembly 6.
In this embodiment, the lifting driving assembly 1 includes a driving power component 11, an auxiliary guiding mechanism 12, a module mounting plate 13 and a lifting linkage link mechanism 14, the module mounting plate 13 is used for mounting more than two groups of linear reciprocating motion modules 3 and is connected with the output end of the driving power component 11, and the auxiliary guiding mechanism 12 is arranged and connected on the stroke of the lifting motion to ensure the reliability of the lifting motion; the lifting linkage link mechanism 14 is used for ensuring the motion synchronism of all the linear reciprocating motion modules 3.
Referring to fig. 6, in other application examples, the lifting driving assembly 1 may also adopt other transmission modes as long as the requirements of the linear reciprocating module 3 for lifting movement can be met.
In this embodiment, the pump body assembly 2 includes a base 21, a hose fixing plate 22, a side sealing plate 23, an upper cover plate 24 and a locking device 25, the hose assembly 6 is fixedly mounted on the hose fixing plate 22, and the upper cover plate 24 is locked and connected by the locking device 25.
In a specific application example, the linear reciprocating module 3 can select a suitable mechanism according to actual needs as long as the requirement of linear reciprocating motion is met.
In this embodiment, the backflow prevention device 4 includes a backflow pressure pipe driving part 41, a connection swing plate 42, a driving swing arm mechanism 43, a pressure pipe swing arm 44, a pressure pipe base 45 and a pipe clamping head 46; the pressure pipe swing arms 44 are more than two, each pressure pipe swing arm 44 is provided with a pressure pipe base 45 and a pipe clamping head 46, all the pressure pipe swing arms 44 are arranged on the connection swing plate 42, the connection swing plate 42 is driven by the driving swing arm mechanism 43 to complete swinging, so that the pressure pipe base 45 and the pipe clamping head 46 are matched with the hose assembly 6 to perform backflow prevention operation. It will be appreciated that in other embodiments, the backflow prevention device 4 may also be an anti-backflow valve, such as a one-way valve or a pinch valve, or an on-off valve, according to the actual needs, but not limited to the on-off valve and the above-mentioned valve set.
In this embodiment, the pipe pressing roller assembly 5 includes a roller mounting seat 51, a pipe pressing roller 52 and a roller shaft 53, the pipe pressing roller 52 is mounted on the roller mounting seat 51 through the roller shaft 53, and the pipe pressing roller 52 is used for cooperating with the hose assembly 6 to perform a pressing action.
In this embodiment, the hose assembly 6 includes an elastic hose 61 and a pipe joint 62, the elastic hose 61 is disposed along the moving direction of the linear reciprocating module 3, and both ends of the elastic hose 61 are provided with the pipe joints 62.
In other embodiments, the hose assemblies 6 are in more than two groups and can be synchronously controlled by the pressure pipe roller assemblies 5.
When the pipe pressing and rolling device works, the pipe pressing and rolling device is driven by the lifting driving component 1 to drive the linear reciprocating motion module 3 to perform lifting motion so as to enable the pipe pressing and rolling wheel component 5 to contact, extrude or leave the hose component 6; meanwhile, the linear reciprocating motion module 3 drives the pressure pipe roller assembly 5 to move along the arrangement direction of the hose assembly 6 so as to extrude the hose assembly 6 to finish quantitative metering operation. In the process, the backflow preventer 4 is also driven by the lifting drive assembly 1 to perform lifting movement, and is matched with the hose assembly 6 to prevent the backflow of the fluid.
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-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (8)
1. A modular high precision peristaltic pump, comprising: the device comprises a lifting driving assembly (1), a pump body assembly (2), more than two groups of linear reciprocating motion modules (3), an anti-backflow device (4), a pressure pipe roller assembly (5) and at least one group of hose assemblies (6); the lifting driving assembly (1), the backflow preventing device (4) and the hose assembly (6) are all arranged on the pump body assembly (2); more than two groups of linear reciprocating motion modules (3) are arranged on the lifting driving assembly (1) in parallel, and the linear reciprocating motion modules (3) are driven to synchronously lift through the lifting driving assembly (1); each group of the straight reciprocating motion modules (3) is provided with a set of pressure pipe roller assemblies (5); the backflow prevention device (4) is arranged at one end of the linear reciprocating motion module (3), and the backflow prevention device (4) is used for clamping and loosening the hose assembly (6); the backflow prevention device (4) is driven by the lifting driving assembly (1) to perform lifting movement and is matched with the hose assembly (6) to prevent fluid from flowing backwards;
the lifting driving assembly (1) comprises a driving power component (11), an auxiliary guide mechanism (12) and a module mounting plate (13), wherein the module mounting plate (13) is used for mounting more than two groups of linear reciprocating motion modules (3) and is connected with the output end of the driving power component (11), and the auxiliary guide mechanism (12) is arranged and connected on the stroke of lifting motion;
the lifting driving assembly (1) further comprises a lifting linkage connecting rod mechanism (14) used for ensuring the movement synchronism of all the linear reciprocating motion modules (3).
2. The combined high-precision peristaltic pump according to claim 1, characterized in that the pump body assembly (2) comprises a base (21), a hose fixing plate (22), side sealing plates (23), an upper cover plate (24) and a locking device (25), wherein the hose assembly (6) is fixedly mounted on the hose fixing plate (22), and the upper cover plate (24) is locked and connected through the locking device (25).
3. Combined high-precision peristaltic pump according to claim 2, characterized in that said hose assembly (6) is arranged intermediate the pinch roller assembly (5) and the upper cover plate (24).
4. The combined high-precision peristaltic pump according to claim 1, characterized in that said anti-backflow device (4) comprises a backflow pressure tube driving part (41), a connection oscillating plate (42), a driving oscillating arm mechanism (43), a pressure tube oscillating arm (44), a pressure tube base (45) and a tube clamping head (46); the pressure pipe swing arms (44) are more than two, each pressure pipe swing arm (44) is provided with a pressure pipe base (45) and a pressure pipe head (46), all pressure pipe swing arms (44) are arranged on a connection swing plate (42), the connection swing plate (42) is driven by a driving swing arm mechanism (43) to complete swinging, so that the pressure pipe base (45) and the pressure pipe head (46) are matched with a hose assembly (6) to perform backflow prevention operation.
5. The combined high-precision peristaltic pump according to claim 1, wherein the pressure tube roller assembly (5) comprises a roller mounting seat (51), a pressure tube roller (52) and a roller shaft (53), the pressure tube roller (52) being mounted on the roller mounting seat (51) through the roller shaft (53), the pressure tube roller (52) being adapted to cooperate with the hose assembly (6) for the squeezing action.
6. Combined high-precision peristaltic pump according to claim 1, characterized in that said hose assembly (6) comprises an elastic hose (61) and a coupling (62), said elastic hose (61) being arranged along the direction of movement of the rectilinear reciprocating module (3), said elastic hose (61) being provided at both ends with couplings (62).
7. Combined high-precision peristaltic pump according to claim 1, characterized in that said anti-reflux means (4) are anti-reflux valves.
8. The modular high precision peristaltic pump of claim 7, wherein the anti-reflux valve is a one-way valve or a pinch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600339.9A CN107237741B (en) | 2017-07-21 | 2017-07-21 | Combined high-precision peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600339.9A CN107237741B (en) | 2017-07-21 | 2017-07-21 | Combined high-precision peristaltic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107237741A CN107237741A (en) | 2017-10-10 |
| CN107237741B true CN107237741B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600339.9A Active CN107237741B (en) | 2017-07-21 | 2017-07-21 | Combined high-precision peristaltic pump |
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| CN (1) | CN107237741B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098956B (en) * | 2018-09-30 | 2024-04-26 | 湖南执先科技有限公司 | Linear clean peristaltic metering pump |
| CN110030178B (en) * | 2019-03-29 | 2024-05-28 | 湖南执先科技有限公司 | Cylinder-driven high-precision rotary peristaltic pump |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120034105A1 (en) * | 2010-08-04 | 2012-02-09 | Gary Hillman | Linear peristaltic pump |
| CN103557144B (en) * | 2013-11-07 | 2015-12-02 | 常州普瑞流体技术有限公司 | A kind of linear peristaltic pump for the conveying of fluid precise quantitative |
| CN104121172B (en) * | 2014-07-28 | 2016-08-24 | 深圳市赛特罗生物医疗技术有限公司 | A kind of cell culture fluid straight line peristaltic pump |
| CN206172909U (en) * | 2016-11-25 | 2017-05-17 | 重庆市万盛区万兴建筑材料有限公司 | Conveyer of cash brick |
| 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 |
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| CN107237741A (en) | 2017-10-10 |
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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 Patentee 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 Patentee before: CHANGSHA ZENITHSUN INTELLIGENCE QUANTITATIVE TECHNOLOGY Co.,Ltd. |
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