CN110761981A

CN110761981A - Extrusion and rebound combined peristaltic pump

Info

Publication number: CN110761981A
Application number: CN201911078751.4A
Authority: CN
Inventors: 陈青; 李汉汉; 李泽彪; 梁社楼; 冼祖运
Original assignee: Guangdong Weichuang Technology Development Co Ltd
Current assignee: Guangdong Weichuang Technology Development Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-02-07

Abstract

The invention relates to the technical field of fluid suction, and provides an extrusion and rebound combined peristaltic pump which comprises a peristaltic hose pressing plate, a peristaltic hose, a hose positioning joint, a rotor driver, a bearing, a support, a driving motor and a motor mounting plate. The motor is fixed on the motor mounting plate, and the motor mounting plate is connected with the support. The bearings are fixed at two ends of the support. The bracket comprises a dovetail groove female groove and an S-shaped lock catch, the peristaltic hose pressing plate is connected with the bracket through the dovetail groove structure, and the peristaltic hose pressing plate and the bracket are fixed through the S-shaped lock catch. The peristaltic hose pressure plate comprises a semicircular female groove and a dovetail groove male groove. The peristaltic hose is connected with the semicircular female groove of the pressure plate of the peristaltic hose through a hose positioning joint. The rotor driver comprises a rotor driving framework, a guide post, a return spring, an extrusion wheel and an extrusion wheel support.

Description

Extrusion and rebound combined peristaltic pump

Technical Field

The invention relates to the technical field of fluid suction, in particular to an extrusion and rebound combined peristaltic pump.

Background

In the industries of chemical industry, food, environmental monitoring and the like, a peristaltic pump is often used for pumping fluid; the traditional rotor-driven extrusion rebound combined peristaltic pump has the following problems: 1. the peristaltic hose is not accurately positioned and guided, so that the peristaltic hose is deviated in work, air leakage cannot realize the complete suction function, and the suction flow is difficult to keep unchanged all the time. 2. The peristaltic hose pressing plate has no resilience, so that the peristaltic hose is easy to break when continuously working, and the service life is reduced. 3. The existing reset spring material and structure are easy to break in long-time work, and the service life is shortened.

Disclosure of Invention

The invention aims to provide an extrusion and rebound combined peristaltic pump, which improves the material quality of a peristaltic hose pressing plate and improves the elasticity of the peristaltic hose pressing plate. The structure of the peristaltic pump is optimized, and the accuracy of the positioning work of the extrusion rebound combined type peristaltic pump is improved, so that the technical problems in the prior art are solved.

The invention provides an extrusion rebound combined peristaltic pump, which comprises: peristaltic hose clamp plate, peristaltic hose, hose positioning joint, rotor driver, bearing, support, driving motor and motor mounting panel. The motor is fixed on the motor mounting plate, and the motor mounting plate is connected with the support. The bearings are fixed at two ends of the support to ensure that the support, the motor and the rotor driver are coaxial. The bracket comprises a dovetail groove female groove and an S-shaped lock catch, the peristaltic hose pressing plate is connected with the bracket through the dovetail groove structure, and the peristaltic hose pressing plate and the bracket are fixed through the S-shaped lock catch. The peristaltic hose pressure plate comprises a semicircular female groove and a dovetail groove male groove. The peristaltic hose is connected with the semicircular female groove of the peristaltic hose pressing plate through a hose positioning joint. The rotor driver comprises a rotor driving framework, a guide post, a return spring, an extrusion wheel and an extrusion wheel support. The driving motor drives the extrusion wheel in the rotor driver and the hose cover end to jointly act on the peristaltic hose, so that fluid is sucked.

Specifically, the support comprises a dovetail groove structure and an S-shaped lock catch, the dovetail groove is matched with the support for use, the guiding and supporting effects are achieved, the positioning precision and the stability are improved, and the flow rate of suction is kept unchanged all the time.

Specifically, hose connectors are respectively arranged at two ports of the peristaltic hose pressing plate, a semicircular male groove is formed in each hose connector and is connected with a semicircular female groove of the peristaltic hose pressing plate, positioning accuracy and stability are improved, and the sucked flow is kept unchanged all the time.

Specifically, in the process of extruding the extrusion wheel and the peristaltic hose of the rotor driver, the pressure plate of the peristaltic hose is made of a composite material with polypropylene thermoplastic resin as a matrix, so that the peristaltic hose has rebound resilience, and is protected, and the peristaltic hose is not easy to break.

Furthermore, the rotor driver is provided with 4 guide posts which are divided into 2 groups, and the upper parts and the lower parts of the guide posts are transversely and symmetrically arranged in the rotor driver, so that the motion direction of the peristaltic hose is positioned, and the peristaltic hose is prevented from being abraded with the rotor driving framework to accelerate damage.

Preferably, the return spring is made of alloy steel mixed with copper elements, is not easy to break, and improves the looseness resistance and the fatigue life.

Compared with the prior art, the invention has the beneficial effects that:

according to the extrusion and resilience combined peristaltic pump provided by the invention, the peristaltic hose pressing plate is made of a composite material taking polypropylene thermoplastic resin as a base body, the resilience of the peristaltic hose pressing plate is improved, the structure of the peristaltic pump is optimized, the dovetail groove, the S-shaped lock catch and the semicircular clamping groove are jointly fixed, the positioning and running accuracy of the extrusion and resilience combined peristaltic pump is improved, the continuous running fault-free time is ensured to be more than 10000 hours, the extrusion and resilience combined peristaltic pump is particularly suitable for being used for a pretreatment part on a high-temperature, high-pressure and high-corrosion waste gas continuous online monitoring system, the moisture interference can be fully eliminated, and the monitoring quality of the waste gas continuous online monitoring system is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an exploded schematic view of a compression rebound combined peristaltic pump provided by an embodiment of the invention.

Fig. 2 is a schematic structural view of a peristaltic hose pressure plate of the extrusion-rebound combined peristaltic pump provided by the embodiment of the invention.

Fig. 3 is a schematic structural diagram of a bracket of the extrusion-rebound combined peristaltic pump provided by the embodiment of the invention.

Wherein the reference numerals are summarized as follows:

a peristaltic hose pressure plate 1; a dovetail groove male slot 101; a semicircular female slot 102; a peristaltic hose 2; a hose positioning joint 3; a semicircular male groove 301; a rotor driver 4; a rotor drive backbone 401; a guide post 402; an extrusion wheel 404; a squeeze wheel post 405; a return spring 5; a bearing 6; a dovetail groove female slot 601; a bracket 7; a drive motor 8; a motor mounting plate 9; an S-shaped latch 10.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

FIG. 1 is an exploded view of a compression rebound combined peristaltic pump provided in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram of a pressure plate structure of a peristaltic hose of an extrusion and rebound combined peristaltic pump according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a bracket structure of the extrusion-rebound combined peristaltic pump provided by the embodiment of the invention;

as shown in fig. 1, 2 and 3, the present embodiment provides a squeezing and rebounding combined peristaltic pump, including: the peristaltic hose comprises a peristaltic hose pressing plate 1, a peristaltic hose 2, a hose positioning joint 3, a rotor driver 4, a bearing 6, a bracket 7, a driving motor 8 and a motor mounting plate 9. The motor is fixed on the motor mounting plate 9, and the motor mounting plate 9 is connected with the bracket 7. The bearings 6 are fixed at both ends of the bracket 7, ensuring that the bracket 7, the motor and the rotor driver 4 are coaxial. The bracket comprises a dovetail groove female groove 601 and an S-shaped latch, the peristaltic hose pressing plate is connected with the bracket 7 through the dovetail groove structure, and the peristaltic hose pressing plate 1 and the bracket 7 are fixed through the S-shaped latch 10. The peristaltic hose pressure plate 1 comprises a semicircular female groove 102 and a dovetail groove male groove 101. The peristaltic hose 2 is connected with the semicircular female groove 601 of the peristaltic hose pressing plate 1 through a hose positioning connector 3. The rotor driver 4 includes a rotor driving frame 401, a guide post 402, a return spring 5, a pressing wheel 404, and a pressing wheel support 405. The driving motor 8 drives the extrusion wheel 404 in the rotor driver 4 and the peristaltic hose pressing plate 1 to act on the peristaltic hose together, so as to realize the suction of fluid.

Specifically, the bracket comprises dovetail groove structures 101 and 601 and an S-shaped lock catch 10, and the dovetail grooves 101 and 601 are matched with the bracket 7 to play a role in guiding and supporting, so that the positioning precision and stability are improved, and the flow rate of the suction is kept constant all the time.

Specifically, two ports of the peristaltic hose pressing plate 1 are respectively provided with a hose positioning connector 3, the hose positioning connector 3 is provided with a semicircular male groove 301, and the semicircular male groove 301 is connected with the semicircular female groove 102 of the peristaltic hose pressing plate 1, so that the positioning precision and stability are improved, and the sucked flow is kept unchanged all the time.

Specifically, in the process of extruding the peristaltic hose 2 by the extrusion wheel 404 of the rotor driver 4, the peristaltic hose pressure plate 1 is made of a composite material with polypropylene thermoplastic resin as a matrix, and has resilience, so that the peristaltic hose 2 is protected and the peristaltic hose 2 is not easy to break.

Further, the rotor driver 4 is provided with 4 guide posts 402 which are divided into 2 groups, and the upper parts and the lower parts of the guide posts are transversely and symmetrically arranged in the rotor driver 4, so that the movement direction of the peristaltic hose 2 is positioned, and the peristaltic hose 2 is prevented from being abraded and damaged quickly with the rotor driving framework 401.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An extrusion and rebound combined peristaltic pump is characterized by comprising a peristaltic hose pressing plate, a peristaltic hose, a hose positioning joint, a rotor driver, a bearing, a bracket, a driving motor and a motor mounting plate; the motor is fixed on the motor mounting plate, and the motor mounting plate is connected with the bracket; the bearings are fixed at two ends of the bracket to ensure that the bracket, the motor and the rotor driver are coaxial; the bracket comprises a dovetail groove female slot and an S-shaped lock catch, the peristaltic hose pressing plate is connected with the bracket through the dovetail groove structure, and the peristaltic hose pressing plate and the bracket are fixed through the S-shaped lock catch; the peristaltic hose pressing plate comprises a semicircular female groove and a dovetail groove male groove; the peristaltic hose is connected with the semicircular female groove of the peristaltic hose pressing plate through a hose positioning joint; the rotor driver comprises a rotor driving framework, a guide post, a return spring, an extrusion wheel and an extrusion wheel support; the driving motor drives the extrusion wheel in the rotor driver and the hose cover end to jointly act on the peristaltic hose, so that fluid is sucked.

2. The combination peristaltic pump of claim 1, wherein the bracket comprises a dovetail groove structure and an S-shaped lock catch, and the dovetail groove is used with the bracket to play a guiding and supporting role, so that the positioning accuracy and stability are improved, and the pumped flow is kept constant at all times.

3. The novel peristaltic hose pressure plate as claimed in claim 1, wherein hose connectors are respectively disposed at two ports of the peristaltic hose pressure plate, and a semicircular male groove is disposed on each hose connector and connected with a semicircular female groove of the peristaltic hose pressure plate, so that positioning accuracy and stability are improved, and the flow rate of suction is kept constant.

4. The peristaltic hose platen according to claim 3, wherein the peristaltic hose platen is made of a composite material with a polypropylene thermoplastic resin as a matrix; in the process of extruding the extrusion wheel and the peristaltic hose, the pressure plate of the peristaltic hose has resilience and plays a role in protecting the peristaltic hose, so that the peristaltic hose is not easy to break.

5. The rotor drive of claim 1, wherein the rotor drive has 4 said guide posts divided into 2 sets of upper and lower portions arranged in the rotor drive in a laterally symmetrical manner to position the direction of movement of the peristaltic hose to prevent accelerated damage by friction between the peristaltic hose and the rotor drive frame.

6. The rotor drive of claim 5, wherein the return spring is formed of an alloy steel mixed with copper, and is not easily broken, and has improved relaxation resistance and fatigue life.