CN206972490U - Peristaltic pump and 3D printer feeding system - Google Patents

Peristaltic pump and 3D printer feeding system Download PDF

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Publication number
CN206972490U
CN206972490U CN201720758939.3U CN201720758939U CN206972490U CN 206972490 U CN206972490 U CN 206972490U CN 201720758939 U CN201720758939 U CN 201720758939U CN 206972490 U CN206972490 U CN 206972490U
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Prior art keywords
pump
roller assembly
pump line
line
peristaltic pump
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CN201720758939.3U
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Chinese (zh)
Inventor
王钊
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Shandong Shengquan Dingzhu 3d Mould Technology Co ltd
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Individual
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Abstract

The utility model provides a kind of peristaltic pump and 3D printer feeding system, is related to feed, the technical field of adjusting means.A kind of peristaltic pump includes housing, gland, pump line, pump impeller and drive mechanism;Pump impeller is arranged on housing and fastened with gland in the cavity to be formed, the output end drive connection of pump impeller and drive mechanism;With being provided with multiple roller assemblies at the outer rim of pump impeller, and each roller assembly being capable of moving radially along pump impeller;Pump line is arranged in the gap between roller assembly and gland, and roller assembly can be extruded or discharged to pump line;When housing fastens with gland, the both ends of pump line can be fixed;A kind of 3D printer feeding system includes peristaltic pump;To alleviate the problem of peristaltic pump of the prior art causes pump line to burst apart due to outlet obstruction in use;Also, the problem of can also alleviate peristaltic pump of the prior art must use the pump line of same model, and the replacing to pump line is made troubles.

Description

Peristaltic pump and 3D printer feeding system
Technical field
Feed, the technical field of adjusting means are the utility model is related to, more particularly, to a kind of peristaltic pump and 3D printer Feeding system.
Background technology
Peristaltic pump is that by pump impeller elastic pump tubes are carried out with alternately extruding and release to pump fluid, i.e., with pump impeller One of pair of rollers pump line release and negative pressure is formed in pump line, so that fluid flows therewith, then by next Individual roller goes out the fluid compression that early stage flows into, so as to realize the pump action of convection body.
Peristaltic pump of the prior art substantially roller is directly installed on roller, when roller rotates drive roller with Roller revolution, and roller itself is also rotated, and some of rollers can be to pump line during revolution and rotation for roller Extruding and release are produced, so as to play pump action.However, during roller extrudes pump line, if the outlet of pump line When blocking, roller can not also stoppingly extrude pump line, it is likely that and cause pump overpressure excessive and the phenomenon that occurs bursting apart, from And damage peristaltic pump;Also, peristaltic pump of the prior art must use the diameter of the pump line, i.e. pump line of same model always Must be identical, when Diameter of pump tube is excessive or too small peristaltic pump can not normal use, so as to be brought to the replacing of pump line Very big inconvenience.
Based on problem above, propose that a kind of novel peristaltic pump with pooling feature is particularly important.
Utility model content
The purpose of this utility model is to provide a kind of peristaltic pump, to alleviate peristaltic pump of the prior art using process In the problem of causing pump line to burst apart due to outlet obstruction;Also, can also alleviate peristaltic pump of the prior art must use The pump line of same model, the problem of replacing to pump line is made troubles.
The utility model additionally provides a kind of 3D printing feeding system, with applied in 3D printer, for print procedure In feed effect.
A kind of peristaltic pump provided by the utility model includes housing, gland, pump line, pump impeller and drive mechanism;
The pump impeller is arranged on the housing and fastened with the gland in the cavity to be formed, the pump impeller and the driving machine The output end drive connection of structure;
With being provided with multiple roller assemblies at the outer rim of the pump impeller, and each roller assembly can be along described Pump impeller moves radially;
The pump line is arranged in the gap between the roller assembly and the gland, and the roller assembly can be right The pump line is extruded or discharged;
When the housing fastens with the gland, the both ends of the pump line can be fixed.
As a kind of further technical scheme, the pump impeller includes pump impeller main body and flexible member, the flexible member It is arranged between the roller assembly and the pump impeller main body.
As a kind of further technical scheme, the roller assembly includes mounting seat and roller;
The roller is arranged in the mounting seat, and is rotatablely connected between the two;
The first groove for housing the flexible member first end is provided with the bottom face of the mounting seat.
As a kind of further technical scheme, connected between the roller and the mounting seat using bearing.
As a kind of further technical scheme, it is provided with the outer circumference of the pump impeller main body for installing the installation The chute of seat, and be slidably connected between the mounting seat and the chute;
The bottom of the chute is provided with the second groove for housing the end of flexible member second.
As a kind of further technical scheme, the chute is provided with use close to the opening of the pump impeller main body outer rim In the limiting section for limiting the mounting seat moving range.
As a kind of further technical scheme, the both ends of the pump line be respectively arranged with can it is spacing in the housing and Access Division on the gland.
As a kind of further technical scheme, the entrance of the pump line and exit are respectively arranged with check valve.
As a kind of further technical scheme, the pump line uses the silicone tube or fluorine sebific duct of high ductibility heavy wall.
A kind of 3D printer feeding system provided by the utility model includes described peristaltic pump.
Compared with prior art, the technical advantage that peristaltic pump provided by the utility model and 3D printing feeding system have For:
A kind of peristaltic pump provided by the utility model includes housing, gland, pump line, pump impeller and drive mechanism;Wherein, pump Wheel is arranged on housing and fastened with gland in the cavity to be formed, and the output end of pump impeller and drive mechanism is connected;The pump impeller Multiple roller assemblies are evenly arranged with outer rim, and each roller assembly being capable of moving radially along pump impeller;Pump line is arranged on In gap between roller assembly and gland, and pump impeller can be extruded or discharged to pump line, so as to by pump line Fluid compression go out, or draw fluid into pump line;When housing and gland fasten, the both ends of pump line can be entered Row is fixed, to prevent in the peristaltic pump course of work pump impeller to extrude away between housing and gland pump line.
The specific work process of peristaltic pump provided by the utility model is:The rear drive mechanism that switches on power drives pump impeller to carry out Rotation, each roller assembly for being further driven to pump impeller outer rim is rotated with pump impeller, and the roller in each roller assembly is also carried out Rotation;When first roller assembly is first extruded pump line, by the fluid in the roller assembly anterior position pump line from outlet Extruding is gone out, and as first roller assembly moves forward, and next roller assembly is not squeezed significantly also to pump line During pressure, because pump line band is flexible, so as to be recovered automatically, now, certain negative pressure is generated in pump line, so as to Fluid positioned at pump line rear is supplemented being previously extruded away fluid before next roller assembly extrudes pump line, Then next roller assembly is extruded pump line again, and the fluid compression in pump line in front of roller assembly is gone out again, So circulation, convection body serve the effect of pumping.
And during roller assembly extruding pump line carries out fluid pumping, roller assembly can be along the radial direction phase of pump impeller Moved for pump impeller, that is, extruding degree of the roller assembly to pump line is automatically adjusted, so as to keep roller assembly moment and pump Pipe surface contacts;And when the outlet obstruction of pump line, fluid is accumulated in pump line causes pump line to be not easy to be deformed, and this When, roller assembly can move a certain distance as the center of pump impeller, to reduce extruding degree of the roller assembly to pump line, So as to effectively alleviate roller assembly it is larger to the pressure of pump line and so that there is the phenomenon burst apart in pump line, have influence on peristaltic pump Normal use.
Also, by setting moveable roller assembly on pump impeller, when changing pump line without using same model, As long as Diameter of pump tube difference be not it is very big can mutually replace, so as to be brought great convenience to the replacing of pump line.
In addition, controlling the rotating speed of drive mechanism according to the actual requirements, the velocity of rotation of pump impeller is further controlled, so as to realize The frequency of extruding and the release of roller assembly is under control, and then realize the control to pumping fluid flow.
3D printer feeding system provided by the utility model, including above-mentioned peristaltic pump;Peristaltic pump is applied to 3D printing In machine, the printed material of liquid can be pumped, in addition to above-mentioned technical advantage, additionally it is possible to by control rotating speed and The ejection flow of accurate control printed material, so as to improve the quality of printing effect and printed product to a certain extent.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for peristaltic pump that the utility model embodiment provides;
Fig. 2 be Fig. 1 shown in peristaltic pump in pump impeller structural representation;
Fig. 3 be Fig. 2 shown in pump impeller in pump impeller main body structural representation;
Fig. 4 be Fig. 2 shown in pump impeller in roller assembly structural representation.
Icon:100- housings;200- glands;300- pump lines;310- Access Divisions;320- check valves;400- pump impellers; 410- roller assemblies;411- mounting seats;412- rollers;420- pump impeller main bodys;421- chutes;The grooves of 422- second; 423- limiting sections;430- flexible members.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
The utility model is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
Concrete structure is as Figure 1-Figure 4.Fig. 1 is that a kind of structure for peristaltic pump that the utility model embodiment provides is shown It is intended to;Fig. 2 be Fig. 1 shown in peristaltic pump in pump impeller structural representation;Fig. 3 be Fig. 2 shown in pump impeller in pump impeller main body knot Structure schematic diagram;Fig. 4 be Fig. 2 shown in pump impeller in roller assembly structural representation.
Roller is substantially directly installed on roller by peristaltic pump of the prior art, so, pump line mistake is extruded in roller Cheng Zhong, if the outlet of pump line blocks, roller can not also stoppingly extrude pump line, it is likely that cause pump overpressure mistake There is phenomenon of bursting apart greatly, so that peristaltic pump damages, influence the normal use of peristaltic pump;In addition, wriggling of the prior art Pump must use the pump line of same model always, i.e. the diameter of pump line must be identical, and Diameter of pump tube is wriggled when excessive or too small Pump can not normal use, so as to bring very big inconvenience to the replacing of pump line.
In view of the above-mentioned problems, the utility model provides a kind of peristaltic pump, its technical scheme is specially:
A kind of peristaltic pump that the present embodiment provides includes housing 100, gland 200, pump line 300, pump impeller 400 and driving machine Structure;Pump impeller 400 is arranged on housing 100 and fastened with gland 200 in the cavity formed, and pump impeller 400 and the output end of drive mechanism pass Dynamic connection;With being provided with multiple roller assemblies 410 at the outer rim of pump impeller 400, and each roller assembly 410 can be along pump impeller 400 move radially;Pump line 300 is arranged in the gap between roller assembly 410 and gland 200, and roller assembly 410 can Pump line 300 is extruded or discharged;When housing 100 fastens with gland 200, the both ends of pump line 300 can be consolidated It is fixed.
The specific work process of peristaltic pump provided by the utility model is:The rear drive mechanism that switches on power drives pump impeller 400 Rotated, each roller assembly 410 for being further driven to the outer rim of pump impeller 400 rotates with pump impeller 400, and each roller assembly Roller 412 in 410 also carries out rotation;When first roller assembly 410 is first extruded pump line 300, by the roller assembly Fluid in 410 anterior position pump lines 300 is gone out from outlet extruding, and as first roller assembly 410 moves forward, and under One roller assembly 410 is not carried out in significantly extrusion process also to pump line 300, because pump line 300 is with flexible, so as to automatic Recovered, now, certain negative pressure is generated in pump line 300, so as to be located at the fluid at the rear of pump line 300 in next rolling Before column assembly 410 extrudes pump line 300, to being previously extruded away fluid and supplementing, then next roller assembly 410 is again Pump line 300 is extruded, the fluid compression in the front pump line 300 of roller assembly 410 gone out again, so circulation, it is right Fluid serves the effect of pumping.
And during roller assembly 410 extrudes the progress fluid pumping of pump line 300, roller assembly 410 can be along pump Being moved radially with respect to pump impeller 400 for wheel 400, that is, automatically adjust extruding degree of the roller assembly 410 to pump line 300, from And kept for the moment of roller assembly 410 contacted with the surface of pump line 300;And when the outlet obstruction of pump line 300, fluid is in pump line 300 Middle accumulation causes pump line 300 to be not easy to be deformed, and now, roller assembly 410 can move as the center of pump impeller 400 A certain distance, to reduce extruding degree of the roller assembly 410 to pump line 300, so as to effectively alleviate roller assembly 410 to pump The pressure of pipe 300 is larger and make it that the phenomenon burst apart occurs in pump line 300, and has influence on the normal use of peristaltic pump.
Also, need not be using same when changing pump line 300 by setting moveable roller assembly 410 on pump impeller 400 The model of sample, if the diameter of pump line 300 difference be not it is very big can mutually replace, so as to be brought to the replacing of pump line 300 Very big facility.
In addition, controlling the rotating speed of drive mechanism according to the actual requirements, the velocity of rotation of pump impeller 400 is further controlled, so as to The frequency for realizing the extruding and the release that make roller assembly 410 is under control, and then realizes the control to pumping fluid flow System.
In the optional technical scheme of the present embodiment, pump impeller 400 includes pump impeller main body 420 and flexible member 430, flexible member 430 are arranged between roller assembly 410 and pump impeller main body 420.
Specifically, each roller assembly 410 with the outer rim of pump impeller main body 420, and roller assembly 410 can Along moving radially for pump impeller main body 420, and in order to ensure that roller assembly 410 can produce squeezing action to pump line 300, rolling Flexible member 430 is provided between column assembly 410 and pump impeller main body 420, and there is the flexible member 430 certain elastic force to make With, it can ensure that the moment of roller assembly 410 produces sufficiently large extruding force to pump line 300 within the specific limits, it is compacted not influence The normal use of dynamic pump.When the outlet obstruction of pump line 300 causes in pump line 300 fluid largely to overstock, roller assembly 410 extrudes Pump line 300 is more difficult, so as to the inside compression elastic element 430 of roller assembly 410 so that roller assembly 410 is reduced to pump The extruding force of pipe 300, and then it is unlikely to phenomenon of bursting apart when making pump line 300 by larger extruding force, do not interfere with peristaltic pump Normal use.Need to illustrate when, what this kind of design method actually played is cushioning effect, reduces roller assembly 410 To the extruding force of pump line 300.
In the optional technical scheme of the present embodiment, roller assembly 410 includes mounting seat 411 and roller 412;Roller 412 is set Put in mounting seat 411, and be rotatablely connected between the two;It is provided with the bottom face of mounting seat 411 for housing flexible member First groove of 430 first ends.
Further, connected between roller 412 and mounting seat 411 using bearing.
Specifically, the both ends of the axial direction of roller 412 are respectively arranged with rotating shaft so that roller 412 directly can be set by rotating shaft Put in mounting seat 411;And in order to reduce the frictional resistance between rotating shaft and mounting seat 411, can also be in rotating shaft and mounting seat Bearing is set between 411, roller 412 is easier the rotary motion in mounting seat 411.And for flexible member 430 One end progress is spacing, and the first groove is provided with the bottom face of mounting seat 411, and the first end of flexible member 430 can fill Enter into the first groove one segment distance, so as to effectively prevent the first end of flexible member 430 from coming off.
In the optional technical scheme of the present embodiment, it is provided with the outer circumference of pump impeller main body 420 for assembling mounting seat 411 Chute 421, and be slidably connected between mounting seat 411 and chute 421;The bottom of chute 421 is provided with for accommodating elasticity member Second groove 422 at the end of part 430 second.
Further, chute 421 is provided with close to the opening of the outer rim of pump impeller main body 420 and moved for limiting mounting seat 411 The limiting section 423 of dynamic scope.
It should be noted that in order that roller assembly 410 can be along pump impeller main body 420 radially with respect to pump impeller main body 420 produce movement, and the measure that the present embodiment is taken is with opening up chute 421 in the outer circumference of pump impeller main body 420, and to roll Mounting seat 411 in column assembly 410 can move back and forth in the chute 421, also, to prevent mounting seat 411 from chute 421 In come off, the present embodiment is provided with limiting section 423, the limiting section in chute 421 close to the opening of the outer circumference of pump impeller main body 420 423 can stop to mounting seat 411, so as to limit the moving range of roller assembly 410.
It is spacing in order to be carried out to the second end of flexible member 430, open up the second groove 422 in the bottom of chute 421 so that Second end of flexible member 430 can be encased in a segment distance in the second groove 422, so as to effectively prevent flexible member 430 the Two ends come off.It is pointed out that the present embodiment elastic element 430 is specifically using spring.
In the optional technical scheme of the present embodiment, the both ends of pump line 300 are respectively arranged with can be spacing in housing 100 and pressure Access Division 310 on lid 200.
It is pointed out that in peristaltic pump normal work, roller assembly 410 is extruded pump line 300, so that pump The position of pipe 300 is also easy to produce movement, and to solve the problem, the both ends of pump line 300 in the present embodiment are respectively provided with Access Division 310, and housing 100 and gland 200 can compress the Access Division 310 at both ends when fastening, so as to effectively limit pump line 300 It is mobile.
In the optional technical scheme of the present embodiment, the entrance of pump line 300 and exit are respectively arranged with check valve 320.
It should be noted that to prevent reverse fluid flow in the peristaltic pump course of work and peristaltic pump being caused to damage, this Embodiment is respectively provided with check valve 320 in the entrance of pump line 300 and exit, so that fluid can only be from peristaltic pump Import imports, and is exported from outlet.
In the optional technical scheme of the present embodiment, pump line 300 uses the silicone tube or fluorine sebific duct of high ductibility heavy wall.
A kind of 3D printer feeding system that the present embodiment provides includes peristaltic pump;Peristaltic pump is applied to 3D printer In, the printed material of liquid can be pumped, in addition to above-mentioned technical advantage, additionally it is possible to by controlling rotating speed and essence The really ejection flow of control printed material, so as to improve the quality of printing effect and printed product to a certain extent.
Finally it should be noted that:Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand:It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

  1. A kind of 1. peristaltic pump, it is characterised in that including:Housing, gland, pump line, pump impeller and drive mechanism;
    The pump impeller is arranged on the housing and fastened with the gland in the cavity to be formed, the pump impeller and the drive mechanism Output end is connected;
    With being provided with multiple roller assemblies at the outer rim of the pump impeller, and each roller assembly can be along the pump impeller Move radially;
    The pump line is arranged in the gap between the roller assembly and the gland, and the roller assembly can be to described Pump line is extruded or discharged;
    When the housing fastens with the gland, the both ends of the pump line can be fixed.
  2. 2. peristaltic pump according to claim 1, it is characterised in that the pump impeller includes pump impeller main body and flexible member, institute Flexible member is stated to be arranged between the roller assembly and the pump impeller main body.
  3. 3. peristaltic pump according to claim 2, it is characterised in that the roller assembly includes mounting seat and roller;
    The roller is arranged in the mounting seat, and is rotatablely connected between the two;
    The first groove for housing the flexible member first end is provided with the bottom face of the mounting seat.
  4. 4. peristaltic pump according to claim 3, it is characterised in that connected between the roller and the mounting seat using bearing Connect.
  5. 5. peristaltic pump according to claim 3, it is characterised in that be provided with the outer circumference of the pump impeller main body for pacifying The chute of the mounting seat is filled, and is slidably connected between the mounting seat and the chute;
    The bottom of the chute is provided with the second groove for housing the end of flexible member second.
  6. 6. peristaltic pump according to claim 5, it is characterised in that opening of the chute close to the pump impeller main body outer rim Place is provided with the limiting section for limiting the mounting seat moving range.
  7. 7. peristaltic pump according to claim 1, it is characterised in that the both ends of the pump line be respectively arranged with can it is spacing Access Division on the housing and the gland.
  8. 8. peristaltic pump according to claim 1, it is characterised in that the entrance of the pump line and exit are respectively arranged with Check valve.
  9. 9. peristaltic pump according to claim 7, it is characterised in that the pump line using high ductibility heavy wall silicone tube or Person's fluorine sebific duct.
  10. 10. a kind of 3D printer feeding system, it is characterised in that including the peristaltic pump described in claim any one of 1-9.
CN201720758939.3U 2017-06-27 2017-06-27 Peristaltic pump and 3D printer feeding system Active CN206972490U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720758939.3U CN206972490U (en) 2017-06-27 2017-06-27 Peristaltic pump and 3D printer feeding system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720758939.3U CN206972490U (en) 2017-06-27 2017-06-27 Peristaltic pump and 3D printer feeding system

Publications (1)

Publication Number Publication Date
CN206972490U true CN206972490U (en) 2018-02-06

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Application Number Title Priority Date Filing Date
CN201720758939.3U Active CN206972490U (en) 2017-06-27 2017-06-27 Peristaltic pump and 3D printer feeding system

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110406096A (en) * 2019-07-25 2019-11-05 阜阳职业技术学院 A kind of medical photosensitive resin injection polychrome 3D printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110406096A (en) * 2019-07-25 2019-11-05 阜阳职业技术学院 A kind of medical photosensitive resin injection polychrome 3D printer

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210201

Address after: No.2998-8, silk road, Zhoucun District, Zibo City, Shandong Province, 255399

Patentee after: Shandong Shengquan Dingzhu 3D Mould Technology Co.,Ltd.

Address before: No. 201, unit 1, building 31, Dexing South Street, Huaiyin District, Jinan City, Shandong Province

Patentee before: Wang Zhao