CN209892415U

CN209892415U - Single-roller peristaltic pump with cylinder pressure pipe at center

Info

Publication number: CN209892415U
Application number: CN201920415037.9U
Authority: CN
Inventors: 刘振; 阳波; 陶海军
Original assignee: Changsha Polytron Technologies Inc
Current assignee: Changsha Polytron Technologies Inc
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-03
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a single roller peristaltic pump with a cylinder pressure pipe in the center, which comprises a pump seat component, a driving component, a prepressing roller component and a pressure pipe roller component, wherein the prepressing roller component is used for limiting the position of a working hose, the pressure pipe roller component comprises a pressure pipe roller, a roller seat and a cylinder, the pressure pipe roller is connected on the roller seat, and the roller seat is fixedly connected with the cylinder; the drive assembly comprises a rotating shaft seat and a drive power part, when the rotating shaft seat is driven by the drive power part to do reciprocating motion, the prepressing roller wheel assembly fixed on the rotating shaft seat and the pressure pipe roller are synchronously reciprocated, and during the reciprocating motion of the pressure pipe roller, the cylinder pushes the pressure pipe roller to extrude a working hose for filling. The utility model has the advantages of simple structure, high filling precision, long service life and the like.

Description

Single-roller peristaltic pump with cylinder pressure pipe at center

Technical Field

The utility model relates to measurement and filling equipment field refer in particular to a single gyro wheel peristaltic pump that pipe is pressed to cylinder is taken at center.

Background

With the development of the technology, the application of the single-head peristaltic pump is more and more extensive. But the prior peristaltic pump technology still has the problem of low metering accuracy.

In the prior art of peristaltic pumps, a "pillow" of fluid is typically formed between two rollers, with the rollers alternately squeezing and releasing to pump the fluid.

In the existing peristaltic pump technology, a plurality of rollers distributed along the circumference rotate, and when a hose is alternately extruded and released to pump fluid, the initial positions of the rollers for pumping the fluid are different every time, so that the precision of the peristaltic pump is not high; in addition, because the dimension of the pillow shape is limited, under the condition that filling is a little bit bigger, the accumulated error caused by the fact that the roller needs to rotate for multiple circles is also a reason that the precision of the peristaltic pump is not high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a simple structure, filling precision height, long service life's central zone cylinder press the single gyro wheel peristaltic pump of pipe.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a single-roller peristaltic pump with a cylinder pressure pipe in the center comprises a pump seat assembly, a driving assembly, a pre-pressing roller assembly and a pressure pipe roller assembly, wherein the pre-pressing roller assembly is used for limiting the position of a working hose and comprises a pressure pipe roller, a roller seat and a cylinder; the driving assembly comprises a rotating shaft seat and a driving power component, when the rotating shaft seat is driven by the driving power component to do reciprocating motion, a pre-pressing roller assembly and a pressure pipe roller which are fixed on the rotating shaft seat also do synchronous reciprocating motion, and during the reciprocating motion of the pressure pipe roller, the cylinder pushes the pressure pipe roller to extrude a working hose to be filled.

As a further improvement of the utility model: the pump seat assembly comprises a pump cover, a joint mounting seat, a motor seat and two pipe joints, wherein the pump cover and the joint mounting seat are mounted on the motor seat, and the two pipe joints are respectively connected with two ends of a hose and fixed on the joint mounting seat.

As a further improvement of the utility model: the motor base is arranged on a fixed bedplate.

As a further improvement of the utility model: the drive assembly further comprises an air cylinder mounting plate, two side mounting plates and a rotating shaft cover plate, the drive power part is fixed on the motor base, the rotating shaft base is connected with the drive power part, the air cylinder mounting plate and the two side mounting plates are mounted on the rotating shaft base, and the rotating shaft cover plate is fixed on the upper portion of the air cylinder mounting plate.

As a further improvement of the utility model: the rotating shaft seat is connected with the driving power component through a key groove and a bolt.

As a further improvement of the utility model: and a cylinder in the pressure pipe roller assembly is fixed on the cylinder mounting plate.

As a further improvement of the utility model: the pre-pressing roller component comprises two or more groups of pre-pressing shafts, pre-pressing rollers and hose limiting components, and the pre-pressing shafts, the pre-pressing rollers and the hose limiting components are fixed between the rotating shaft seat and the rotating shaft cover plate.

As a further improvement of the utility model: the pressure pipe roller is connected to the roller seat through a roller shaft and a bearing.

Compared with the prior art, the utility model has the advantages of: the utility model discloses the single gyro wheel peristaltic pump that the pipe was pressed to cylinder is taken at the center, and the gyro wheel is the reciprocating motion of adoption, and during the pump sending fluid of every turn, gyro wheel and hose position are fixed to this structure can adjust the pump sending specification through the stroke of adjusting reciprocating motion and the size of hose, and a filling just can satisfy required filling volume, has avoided the accumulative error that many times filling brought, has also reduced the hose wearing and tearing, thereby has improved filling precision and hose life greatly.

Drawings

Fig. 1 is a front sectional view of the structure of the present invention in a specific embodiment.

Fig. 2 is a top sectional view of the structure of the present invention in an exemplary embodiment.

Illustration of the drawings:

1. a pump mount assembly; 2. a drive assembly; 3. pre-pressing roller components; 4. pressing a pipe roller assembly; 5. a pump cover; 6. a joint mount; 7. a motor base; 8. a pipe joint; 9. a rotating shaft seat; 10. a drive power component; 11. a cylinder mounting plate; 12. a side mounting plate; 13. a rotating shaft cover plate; 14. pre-pressing the shaft; 15. pre-pressing the roller; 16. a hose limiting assembly; 17. pressing a pipe roller; 18. a roller shaft; 19. a roller seat; 20. and a cylinder.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

As shown in fig. 1 and fig. 2, the utility model discloses a single roller peristaltic pump that pipe is pressed to cylinder is taken at center, including pump base subassembly 1, drive assembly 2, pre-compaction roller components 3 and press pipe roller components 4, pre-compaction roller components 3 are used for restricting the position of work hose, press pipe roller components 4 including pressing pipe gyro wheel 17, roller seat 19 and cylinder 20, press pipe gyro wheel 17 to pass through roller shaft 18 and bearing connection on roller seat 19, roller seat 19 and cylinder 20 fixed connection. The driving assembly 2 comprises a rotating shaft seat 9 and a driving power component 10, when the rotating shaft seat 9 is driven by the driving power component 10 to do reciprocating motion, the pre-pressing roller assembly 3 fixed on the rotating shaft seat 9 and the pipe pressing roller 17 also do synchronous reciprocating motion, and during the reciprocating motion of the pipe pressing roller 17, the air cylinder 20 pushes the pipe pressing roller 17 to extrude a working hose for filling.

In this embodiment, the pump base assembly 1 includes a pump cover 5, a joint mounting base 6, a motor base 7 and pipe joints 8, wherein the motor base 7 can be installed on a fixed platen, the pump cover 5 and the joint mounting base 6 are installed on the motor base 7, and the two pipe joints 8 are respectively connected to two ends of a hose and fixed on the joint mounting base 6. Because the position of the pipe joint 8 is fixed, when the working hose is extruded by the roller, the working hose does not move greatly, and the precision is improved.

In this embodiment, the driving assembly 2 further includes a cylinder mounting plate 11, two side mounting plates 12 and a rotating shaft cover plate 13, wherein the driving power unit 10 is fixed on the motor base 7, the rotating shaft base 9 is connected with the driving power unit 10 through a key slot and a bolt, the cylinder mounting plate 11 and the two side mounting plates 12 are mounted on the rotating shaft base 9, and the rotating shaft cover plate 13 is fixed on the upper portion of the cylinder mounting plate 11.

In this embodiment, the pre-pressing roller assembly 3 includes two or more sets of pre-pressing shafts 14, pre-pressing rollers 15, and a hose limiting assembly 16. The prepressing shaft 14, the prepressing roller 15 and the hose limiting assembly 16 are fixed between the rotating shaft seat 9 and the rotating shaft cover plate 13.

In this embodiment, the cylinder 20 of the pressure pipe roller assembly 4 is fixed on the cylinder mounting plate 11.

During operation, when pivot seat 9 was driven by drive power unit 10 and is made reciprocating motion, fix pre-compaction gyro wheel 15 on pivot seat 9 and press pipe gyro wheel 17 also synchronous reciprocating motion, press pipe gyro wheel 17 reciprocating motion period, cylinder 20 promotes to press pipe gyro wheel 17 extrusion hose to carry out the filling, and after the filling, the cylinder shrink is pressed pipe gyro wheel 17 release hose.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. A single-roller peristaltic pump with a cylinder pressure pipe in the center comprises a pump seat assembly (1), a driving assembly (2), a pre-pressing roller assembly (3) and a pressure pipe roller assembly (4), wherein the pre-pressing roller assembly (3) is used for limiting the position of a working hose, and the single-roller peristaltic pump is characterized in that the pressure pipe roller assembly (4) comprises a pressure pipe roller (17), a roller seat (19) and a cylinder (20), the pressure pipe roller (17) is connected to the roller seat (19), and the roller seat (19) is fixedly connected with the cylinder (20); the driving assembly (2) comprises a rotating shaft seat (9) and a driving power component (10), when the rotating shaft seat (9) is driven by the driving power component (10) to reciprocate, the prepressing roller assembly (3) on the rotating shaft seat (9) and the pressure pipe roller (17) synchronously reciprocate, and during the reciprocating motion of the pressure pipe roller (17), the cylinder (20) pushes the pressure pipe roller (17) to extrude a working hose for filling.

2. The single-roller peristaltic pump with the cylinder pressure pipe in the center is characterized in that the pump seat assembly (1) comprises a pump cover (5), a joint mounting seat (6), a motor seat (7) and two pipe joints (8), wherein the pump cover (5) and the joint mounting seat (6) are mounted on the motor seat (7), and the two pipe joints (8) are respectively connected with two ends of a hose and fixed on the joint mounting seat (6).

3. Single roller peristaltic pump with central pneumatic tube according to claim 2, characterized in that said motor seat (7) is mounted on a fixed platen.

4. The single-roller peristaltic pump with the cylinder pressure pipe in the center is characterized in that the driving assembly (2) further comprises a cylinder mounting plate (11), two side mounting plates (12) and a rotating shaft cover plate (13), the driving power component (10) is fixed on the motor base (7), the rotating shaft base (9) is connected with the driving power component (10), the cylinder mounting plate (11) and the two side mounting plates (12) are mounted on the rotating shaft base (9), and the rotating shaft cover plate (13) is fixed on the upper portion of the cylinder mounting plate (11).

5. The single-roller peristaltic pump with a central cylinder pressure tube according to claim 4, characterized in that the rotating shaft seat (9) is connected with the driving power component (10) through a key slot and a bolt.

6. The single-roller peristaltic pump with a central cylinder pressure tube according to claim 4, wherein the cylinder (20) in the pressure tube roller assembly (4) is fixed on the cylinder mounting plate (11).

7. The single-roller peristaltic pump with the cylinder pressure pipe in the center is characterized in that the prepressing roller assembly (3) comprises two or more groups of prepressing shafts (14), prepressing rollers (15) and hose limiting assemblies (16), and the prepressing shafts (14), the prepressing rollers (15) and the hose limiting assemblies (16) are fixed between the rotating shaft seat (9) and the rotating shaft cover plate (13).

8. A single roller peristaltic pump with a central pneumatic tube according to any one of claims 1 to 6, wherein said tube roller (17) is connected to a roller seat (19) by means of a roller shaft (18) and a bearing.