CN108869277A - The clear barrel of screw pump with positioning function - Google Patents

The clear barrel of screw pump with positioning function Download PDF

Info

Publication number
CN108869277A
CN108869277A CN201810751434.3A CN201810751434A CN108869277A CN 108869277 A CN108869277 A CN 108869277A CN 201810751434 A CN201810751434 A CN 201810751434A CN 108869277 A CN108869277 A CN 108869277A
Authority
CN
China
Prior art keywords
screw pump
screw
annulus
staving
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810751434.3A
Other languages
Chinese (zh)
Inventor
林平华
张德学
周振华
杨耀峰
杨川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG STANDARD FLUID SYSTEMS Co Ltd
Original Assignee
GUANGDONG STANDARD FLUID SYSTEMS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUANGDONG STANDARD FLUID SYSTEMS Co Ltd filed Critical GUANGDONG STANDARD FLUID SYSTEMS Co Ltd
Priority to CN201810751434.3A priority Critical patent/CN108869277A/en
Publication of CN108869277A publication Critical patent/CN108869277A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001Pumps for particular liquids
    • F04C13/002Pumps for particular liquids for homogeneous viscous liquids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention discloses the clear barrels of screw pump with positioning function, including bottom plate and screw pump, lifting device there are two being set on the bottom plate, the elevating lever of two lifting devices is affixed with the lower surface of lifter plate, the screw pump is across the lifter plate and affixed with lifter plate progress, and the screw pump is equipped with suction chamber and discharge room, and suction chamber is located at the lower end of the screw pump, discharge room is located at the middle part of the screw pump, and the lower surface of the suction chamber is connected with staving pressing plate;The bottom plate is equipped with bucket bottom positioning mechanism, and bucket bottom positioning mechanism positions the bottom of staving by locating slot and sliding block.The present invention is using screw pump as the work pump housing, and since the flow trim of screw pump, pressure pulse are small, high-efficient, and screw pump is insensitive to the viscosity of medium, therefore the work pump housing for being suitable as clear barrel uses.The present invention is equipped with bucket bottom positioning mechanism, eliminates the step of relocating after replacing staving to staving.

Description

The clear barrel of screw pump with positioning function
Technical field
The present invention relates to chemical fields, in particular to the clear barrel of screw pump of positioning function.
Background technique
In Chemical Manufacture, generally require to take out the high-viscosity material of barreled, be then placed into other containers or It is transported on the production line of needs.These materials are since with very high viscosity, workpeople will be in bucket usually using spoon High-viscosity material little by little take out, the production efficiency of such production method is low, and high-viscosity material in bucket is difficult It is clean to take, cause the waste of material.
For above situation, occurs the clear barrel using plunger pump on the market.The clear barrel of plunger pump relies primarily on Driving force presses to the plunger pump on clear barrel in bucket, and plunger pump contacts with the high-viscosity material in bucket and generates lasting pressure Power, after the suction inlet of plunger pump sucks high-viscosity material, high-viscosity material is discharged from the outlet of plunger pump.Height in bucket is viscous Degree material is drained out as plunger pump does not stop to press down, and the high-viscosity material in last bucket is all emptied.
But the clear barrel of plunger pump due to plunger pump itself the shortcomings that, pressure and soakage are unstable.When in bucket When the viscosity of material is higher, height is blocked or be discharged in the form of a pulse by high-viscosity material to the outlet for frequently resulting in plunger pump Viscous material can not be accomplished to stablize discharge high-viscosity material, very big influence is brought to actual production.Moreover, column on the market Plug pumps clear barrel due to lacking the effective position to staving, must all re-start after replacement staving determine staving every time Position, once being easy to cause staving to turn on one's side the position inaccurate of staving, causes production accident.
Summary of the invention
The technical problem to be solved by the present invention is to:The present invention provides the clear barrel of screw pump with positioning function, this is clear The high-viscosity material in bucket is discharged smoothly as the work pump housing using screw pump in barrel, and the clear barreled The bottom plate set is equipped with bucket bottom positioning mechanism, does not need to relocate staving after replacing staving.
The solution that the present invention solves its technical problem is:The clear barrel of screw pump with positioning function, including bottom Plate, lifter plate and screw pump are set on the bottom plate there are two lifting device, and the lifting device is equipped with shell and elevating lever, institute Screw pump is stated to be arranged straight down;The elevating lever of described two lifting devices is fixedly connected with the lower surface of the lifter plate, The middle position of lifter plate is equipped with screw pump through-hole, and the screw pump passes through the screw pump through-hole and consolidated with lifter plate Fixed connection, the screw pump are equipped with suction chamber and discharge room, and the suction chamber is connected to the feed inlet of screw pump, the discharge room It being connected to the discharge port of screw pump, suction chamber is located at the lower end of the screw pump, and discharge room is located at the middle part of the screw pump, The lower surface of the suction chamber is connected with staving pressing plate, and the center of staving pressing plate is equipped with pressing plate inner cavity, pressing plate inner cavity with The suction chamber connection;The bottom plate is equipped with bucket bottom positioning mechanism, and bucket bottom positioning mechanism includes the locating slot of two intersections, institute The both ends for stating locating slot are respectively provided with a sliding block and a threaded hole, and the sliding block slides in the locating slot, the height of sliding block Degree is higher than the depth of the locating slot, and the middle position of the sliding block is equipped with slotted hole, and slotted hole is equipped with bolt, sliding block with Threaded hole is attached by the bolt.
As a further improvement of the above technical scheme, the screw pump is single-screw (single screw) pump, and the single-screw (single screw) pump includes dynamic Power output device, transmission device and screw rod rotating device.
Further improvement as above-mentioned technical proposal is equipped with resistance to height between the transmission device and screw rod rotating device Means of press seals room.
As a further improvement of the above technical scheme, each sliding block all has identical structure, shapes and sizes.
As a further improvement of the above technical scheme, the staving pressing plate include upper annulus platen, round scraper plate and under Annulus platen, the lower surface of the suction chamber connect the upper annulus platen, and the lower surface of upper annulus platen connects the annulus The lower surface of scraper plate, annulus scraper plate connects the lower annulus platen, and the annulus scraper plate is made of rubber;The upper annulus pressure Disk, annulus scraper plate and lower annulus platen three concentrically axis, the interior circular hole of upper annulus platen, the interior circular hole of annulus scraper plate and under The interior circular hole of annulus platen collectively forms the pressing plate inner cavity, and the outer diameter of the upper annulus platen and the outer diameter of lower annulus platen are equal Less than the outer diameter of the annulus scraper plate.
Further improvement as above-mentioned technical proposal, the staving pressing plate is equipped with exhaust valve and check valve, described Check valve is connected with compressed gas pipeline, and the exhaust valve and check valve are each provided on the upper annulus platen.
Further improvement as above-mentioned technical proposal, the lifting device are Pneumatic power elevator apparatus, Pneumatic elevation dress Solenoid directional control valve is installed, solenoid directional control valve controls the lifting of the Pneumatic power elevator apparatus and leading to for the compressed gas pipeline It is disconnected.
The upper surface of further improvement as above-mentioned technical proposal, the shell of the lifting device incudes equipped with metal Switch, the lifter plate on the corresponding position of metal inductive switch be equipped with metal baffle, the metal inductive switch with it is described Solenoid directional control valve is electrically connected.
Further improvement as above-mentioned technical proposal, the projection of the central axis of the annulus scraper plate in the bottom plate For a central point, the middle line of described two locating slots intersects at the central point, each threaded hole to the central point Distance it is consistent.
Further improvement as above-mentioned technical proposal, the locating slot is interior to be equipped with scale label, and scale label rises Point is located on the central point.
The beneficial effects of the invention are as follows:The present invention using screw pump as the work pump housing, due to the flow trim of screw pump, Pressure pulse is small, noise is low, high-efficient, the service life is long, reliable operation, and screw pump is insensitive therefore non-to the viscosity of medium The work pump housing for being often suitable as clear barrel uses.For the present invention due to setting there are two lifting device, staving pressing plate can be with It smoothly goes up and down, avoids the phenomenon that staving pressing plate is tilted to side;The present invention is additionally provided with a barrel bottom positioning mechanism, since bucket bottom is fixed The bottom for the staving that position mechanism can operate last time carries out memory positioning, when the specification for needing replacing staving and staving is not sent out When raw change, directly the bottom of the staving after replacement can be placed on the positioning mechanism of the bucket bottom, eliminate replacement staving The step of relocating afterwards to staving improves production efficiency.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs Scheme and attached drawing.
Fig. 1 is the stereoscopic schematic diagram of a1 of the embodiment of the present invention;
Fig. 2 is the front view that gas bar rises to highest point in a1 of the embodiment of the present invention;
Fig. 3 is the front view that gas bar drops to dead point in a1 of the embodiment of the present invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict Under the premise of can be with combination of interactions.Finally, it should be noted that such as term " center " in text, "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is then to be based on the orientation or positional relationship shown in the drawings, only It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, such as term " the in text One ", " second ", " third " are then used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Referring to Fig.1~Fig. 3, this is the embodiment of the present invention a1, specifically:
The clear barrel of screw pump with positioning function, including bottom plate 1, lifter plate 2 and screw pump 3 are set on the bottom plate There are two lifting device 4, described two lifting devices bilateral symmetries are located at the two sides of the screw pump, and the lifting device can be with It is hydraulic lift or Pneumatic power elevator apparatus, lifting device of the invention is both preferably Pneumatic power elevator apparatus, described pneumatic The external compressed gas of lifting device, Pneumatic power elevator apparatus are equipped with the gentle bar 42 of shell 41, and the shell of Pneumatic power elevator apparatus is located at bottom On plate.Described two Pneumatic power elevator apparatus are two identical Pneumatic power elevator apparatus, and described two Pneumatic power elevator apparatus use same One solenoid directional control valve control, so that the gas bar of two Pneumatic power elevator apparatus realizes synchronization lifting.The screw pump is single screw rod Pump, the single-screw (single screw) pump includes power output device 31, transmission device 32 and screw rod rotating device 33, the power output device Including motor and speed reducer, the output shaft of the motor and the input shaft of speed reducer are rigidly connected, the screw actuator packet Rotor, stator and universal joint connecting shaft are included, rotor is rotated in the internal helicoid of the stator, and the transmission device includes transmission The output shaft of axis, the transmission shaft and the speed reducer is rigidly connected, transmission shaft and rotor by the universal joint connecting shaft into Row flexible connection.
It is further used as preferred embodiment, the gas bar of described two Pneumatic power elevator apparatus is and under the lifter plate Surface is fixedly connected, and the middle position of lifter plate is equipped with screw pump through-hole, and the single-screw (single screw) pump passes through the screw pump through-hole And be fixedly connected with lifter plate, the single-screw (single screw) pump is equipped with suction chamber 34 and discharge room 35, the suction chamber and single screw rod The feed inlet of pump is connected to, and the discharge room is connected to the discharge port of single-screw (single screw) pump, and suction chamber is located at the lower end of the single-screw (single screw) pump End, discharge room are located at the middle part of the single-screw (single screw) pump.The lower surface of the suction chamber is connected with staving pressing plate 6, staving pressing plate Center is equipped with pressing plate inner cavity, and pressing plate inner cavity is connected to the suction chamber, the staving pressing plate include upper annulus platen 61, Annulus scraper plate 62 and lower annulus platen 63, the lower surface of the suction chamber connect the upper annulus platen, under upper annulus platen Surface connects the annulus scraper plate, and the lower surface of annulus scraper plate connects the lower annulus platen, and the upper annulus platen, annulus are scraped Plate and lower annulus platen three concentrically axis, the interior circular hole of upper annulus platen, the interior circular hole of annulus scraper plate and lower annulus platen Interior circular hole collectively form the pressing plate inner cavity.It is in order to enable the invention to that the high-viscosity material cleaning on inner wall of barrel is dry Only, the outer diameter of the upper annulus platen and the outer diameter of lower annulus platen are respectively less than the outer diameter of the annulus scraper plate, and the annulus is scraped Plate is made of rubber, and the outer diameter of annulus scraper plate is slightly larger than the inner diameter of staving.The single-screw (single screw) pump will from the suction chamber of lower end The intracorporal high-viscosity material of bucket is drawn into the stator, the high-viscosity material in stator by the helical rotation of the rotor not Disconnected up to push, last high-viscosity material is discharged from discharge room.
Referring to Fig.1, the bottom plate is equipped with bucket bottom positioning mechanism 5, and bucket bottom positioning mechanism includes the locating slot of two intersections 51, the both ends of the locating slot are respectively provided with a sliding block 52 and a threaded hole, the sliding block protrude from the locating slot and Sliding in locating slot, the height of sliding block are higher than the depth of the locating slot, and the middle position of the sliding block is equipped with slotted hole, institute It states each sliding block and all has identical structure, shapes and sizes, the slotted hole is equipped with bolt 53, and sliding block passes through with threaded hole The bolt is attached.
The present invention can not only position the bottom of staving, moreover it is possible to carry out centering to the bottom of staving.The bottom plate Center line is overlapped with the central axis of annulus scraper plate, and the central axis of the annulus scraper plate is projected as in one in the bottom plate Heart point 54, the middle line of described two locating slots intersect at the central point, the distance of each threaded hole to the central point Unanimously, the distance between two threaded holes on the same locating slot are within the scope of the bed-plate dimension of common chemical barrel.Institute It states and is equipped with scale label 55 in locating slot, the starting point of scale label is located on the central point, and scale label is with the central point Extend to the both ends of locating slot.The present invention positions the bottom of staving and the step of centering is:It learns or measures first The basal diameter for obtaining staving, relative to the position of the central point symmetrical adjustment sliding block, so that two on the same locating slot The distance between a sliding block is consistent with the basal diameter of staving, and then the bolt on locking sliding block fixes the sliding block, finally The bottom of staving is placed on the position between four sliding blocks.After a upper staving completes the operation of clear bucket, if next The size of staving is not changed, and need to only be placed into next staving on the position between four sliding blocks can carry out clearly at once Bucket operation, eliminates the step of carrying out repositioning centering to the staving after replacement.
Using the above structure, beneficial effects of the present invention:The present invention uses single-screw (single screw) pump as the work pump housing, due to single spiral shell The flow trim of bar pump, pressure pulse is small, noise is low, high-efficient, the service life is long, reliable operation, and single-screw (single screw) pump is to medium Viscosity is insensitive, therefore the work pump housing for being highly suitable as clear barrel uses.The present invention due to setting there are two lifting device, Therefore staving pressing plate can smoothly be gone up and down, and avoid the phenomenon that staving pressing plate is tilted to side;It is fixed that the present invention is additionally provided with barrel bottom Position mechanism, since the bottom of staving that bucket bottom positioning mechanism can operate last time carry out memory positioning, when needing replacing staving And when the specification of staving does not change, the bottom of the staving after replacement directly can be placed on bucket bottom positioning mechanism On, the step of repositioning centering is carried out to staving after replacing staving is eliminated, production efficiency is improved.
It is further used as preferred embodiment, since the feed inlet of single-screw (single screw) pump of the invention is located at the end of stator, Discharge port is located between screw rod rotating device and transmission device, therefore the high-viscosity material of high pressure passes through transmission device in order to prevent Power output device is entered, high-pressure-resistant sealed room 7 is equipped between the transmission device and screw rod rotating device.High-pressure-resistant sealed Room is sealed using fixed double combination, i.e. transmission device one end for being sealedly connected on the high-pressure-resistant sealed room, screw rod rotation Device is sealedly connected on the other end of the high-pressure-resistant sealed room, and the high-pressure-resistant sealed room is as buffer area.
After the staving pressing plate is contacted with staving, since the outer diameter of the annulus scraper plate on staving pressing plate is slightly larger than the staving Inner diameter, therefore there are sealing spaces between staving and staving pressing plate, if the air in sealing space is not discharged, staving Pressing plate can not continue to move down.Therefore the staving pressing plate is equipped with exhaust valve 64 and check valve 65, the check valve connection There is compressed gas pipeline, the on-off of compressed gas pipeline is controlled by the solenoid directional control valve, the exhaust valve and unidirectional Valve is each provided on the upper annulus platen.The exhaust valve is manual exhaust valve, when the inner wall of staving pressing plate and staving contacts, Exhaust valve is opened manually, and the air between staving pressing plate and staving is discharged to the external world from exhaust valve;The check valve folk prescription To the channel for leading to the outside of staving from the inside of staving is enclosed, the check valve allows external note of the compressed gas from staving Enter to the inside of the staving.
In order to realize automated production, the upper surface of the shell of the lifting device is equipped with metal inductive switch 8, the liter It drops plate and is equipped with metal baffle 81, the metal inductive switch and the solenoid directional control valve on the corresponding position of metal inductive switch It is electrically connected.The work distance of reaction of metal inductive switch is set first, when the gas bar of Pneumatic power elevator apparatus drops to dead point, I.e. in metal inductive switch at a distance from metal baffle most in short-term, be at this time the work distance of reaction of metal inductive switch.Due to Metal inductive switch and the solenoid directional control valve are electrically connected, when the gas bar of Pneumatic power elevator apparatus drops to dead point, metal sense Inductive switch issues signal instruction to solenoid directional control valve, so that solenoid directional control valve starts to commutate, Pneumatic power elevator apparatus at this time Gas bar while up movement the compressed gas pipeline also inject compressed gas together, the compressed gas is by described unidirectional The inside of valve inflow staving.
Referring to Fig. 2 and Fig. 3, before use, being first turned on electromagnetic switch threshold switch, compressed gas injection is pneumatic to rise the present invention Falling unit, the gas bar of Pneumatic power elevator apparatus drive lifter plate and single-screw (single screw) pump to rise to highest point, adjust four sliding blocks away from From then filling high viscous so that the distance between two sliding blocks on the same locating slot are consistent with the basal diameter of staving Degree material staving (opening) be placed on barrel bottom positioning mechanism so that the opening of staving be located at the annulus scraper plate just under Side, opens the reversing switch of solenoid directional control valve later, and the gas bar of Pneumatic power elevator apparatus drives lifter plate and single-screw (single screw) pump decline. When the inner wall of staving pressing plate and staving contacts, exhaust valve is opened manually, by the air between staving pressing plate and staving from exhaust The external world is discharged at valve.Then when staving pressing plate touches high-viscosity material, exhaust valve is turned off manually, starts single-screw (single screw) pump Motor switch, single-screw (single screw) pump are started to work, and the intracorporal high-viscosity material of bucket is drawn by single-screw (single screw) pump from the suction chamber of lower end to be determined In son, high-viscosity material in stator is constantly up pushed by the helical rotation of rotor, and high-viscosity material is from discharge room later Place's discharge.Finally, the intracorporal high-viscosity material of bucket is drained when the gas bar of Pneumatic power elevator apparatus drops to dead point, it is golden at this time Belong to inductive switch and issues signal instruction to solenoid directional control valve, so that solenoid directional control valve starts to commutate, Pneumatic power elevator apparatus Gas bar drives compressed gas pipeline while lifter plate and single-screw (single screw) pump rising also to inject compressed gas, the pressure together Contracting gas flows into the inside of the staving by the check valve, and staving pressing plate is successfully up moved, same with this When, the motor switch of single-screw (single screw) pump is closed, when the gas bar of Pneumatic power elevator apparatus rises to highest point, the present invention enters standby shape State.When carrying out the operation of clear bucket next time, empty barrel is replaced with to the new staving for filling high-viscosity material, is not needed to the bucket after replacement Body carries out repositioning centering, can start new clear bucket operation.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (10)

1. the clear barrel of screw pump with positioning function, including bottom plate, lifter plate and screw pump, set on the bottom plate there are two Lifting device, the lifting device are equipped with shell and elevating lever, and the screw pump is arranged straight down, it is characterised in that:It is described The elevating lever of two lifting devices is fixedly connected with the lower surface of the lifter plate, and the middle position of lifter plate is equipped with screw rod Through-hole is pumped, the screw pump passes through the screw pump through-hole and is fixedly connected with lifter plate, and the screw pump is equipped with sucking Room and discharge room, the suction chamber are connected to the feed inlet of screw pump, and the discharge room is connected to the discharge port of screw pump, sucking Room is located at the lower end of the screw pump, and discharge room is located at the middle part of the screw pump, and the lower surface of the suction chamber is connected with The center of staving pressing plate, staving pressing plate is equipped with pressing plate inner cavity, and pressing plate inner cavity is connected to the suction chamber;On the bottom plate Equipped with bucket bottom positioning mechanism, bucket bottom positioning mechanism includes the locating slot of two intersections, and the both ends of the locating slot are respectively provided with one Sliding block and a threaded hole, the sliding block slide in the locating slot, and the height of sliding block is higher than the depth of the locating slot, institute The middle position for stating sliding block is equipped with slotted hole, and slotted hole is equipped with bolt, and sliding block is connected with threaded hole by the bolt It connects.
2. the clear barrel of the screw pump according to claim 1 with positioning function, it is characterised in that:The screw pump is Single-screw (single screw) pump, the single-screw (single screw) pump include power output device, transmission device and screw rod rotating device.
3. the clear barrel of the screw pump according to claim 2 with positioning function, it is characterised in that:The transmission device High-pressure-resistant sealed room is equipped between screw rod rotating device.
4. the clear barrel of the screw pump according to claim 1 with positioning function, it is characterised in that:Each sliding block All have identical structure, shapes and sizes.
5. the clear barrel of the screw pump according to claim 1 with positioning function, it is characterised in that:The staving pressing plate Including upper annulus platen, round scraper plate and lower annulus platen, the lower surface of the suction chamber connects the upper annulus platen, upper circle The lower surface of ring platen connects the annulus scraper plate, and the lower surface of annulus scraper plate connects the lower annulus platen, and the annulus is scraped Plate is made of rubber;The upper annulus platen, annulus scraper plate and lower annulus platen three concentrically axis, upper annulus platen it is interior The interior circular hole of circular hole, the interior circular hole of annulus scraper plate and lower annulus platen collectively forms the pressing plate inner cavity, the upper annulus platen Outer diameter and the outer diameter of lower annulus platen be respectively less than the outer diameter of the annulus scraper plate.
6. the clear barrel of the screw pump according to claim 5 with positioning function, it is characterised in that:The staving pressing plate It is equipped with exhaust valve and check valve, the check valve is connected with compressed gas pipeline, and the exhaust valve and check valve are each provided at institute It states on annulus platen.
7. the clear barrel of the screw pump according to claim 6 with positioning function, it is characterised in that:The lifting device For Pneumatic power elevator apparatus, Pneumatic power elevator apparatus is equipped with solenoid directional control valve, and solenoid directional control valve controls the liter of the Pneumatic power elevator apparatus The on-off of drop and the compressed gas pipeline.
8. the clear barrel of the screw pump according to claim 7 with positioning function, it is characterised in that:The lifting device Shell upper surface be equipped with metal inductive switch, the lifter plate on the corresponding position of metal inductive switch be equipped with metal keep off Plate, the metal inductive switch and the solenoid directional control valve are electrically connected.
9. the clear barrel of the screw pump according to claim 5 with positioning function, it is characterised in that:The annulus scraper plate Central axis be projected as a central point in the bottom plate, the middle line of described two locating slots intersects at the central point, The distance of each threaded hole to the central point is consistent.
10. the clear barrel of the screw pump according to claim 9 with positioning function, it is characterised in that:The locating slot Interior to be equipped with scale label, the starting point of scale label is located on the central point.
CN201810751434.3A 2018-07-10 2018-07-10 The clear barrel of screw pump with positioning function Pending CN108869277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810751434.3A CN108869277A (en) 2018-07-10 2018-07-10 The clear barrel of screw pump with positioning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810751434.3A CN108869277A (en) 2018-07-10 2018-07-10 The clear barrel of screw pump with positioning function

Publications (1)

Publication Number Publication Date
CN108869277A true CN108869277A (en) 2018-11-23

Family

ID=64300648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810751434.3A Pending CN108869277A (en) 2018-07-10 2018-07-10 The clear barrel of screw pump with positioning function

Country Status (1)

Country Link
CN (1) CN108869277A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110586011A (en) * 2019-09-28 2019-12-20 中核四川环保工程有限责任公司 Waste oil curing device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454516A (en) * 2014-11-20 2015-03-25 大连华工创新科技股份有限公司 Combined adhesive supplying device using gear pump and screw pump
CN204686604U (en) * 2015-04-08 2015-10-07 浙江三川玻璃有限公司 A kind of glass chamfering device
CN205008341U (en) * 2015-09-30 2016-02-03 耐驰(兰州)泵业有限公司 Clear barreled of high viscosity barreled material is put
CN206942990U (en) * 2017-07-12 2018-01-30 潍坊萨伯特精密转动设备有限公司 A kind of single-screw (single screw) pump of novel removable
CN208651139U (en) * 2018-07-10 2019-03-26 广东斯坦德流体***有限公司 The clear barrel of screw pump with positioning function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454516A (en) * 2014-11-20 2015-03-25 大连华工创新科技股份有限公司 Combined adhesive supplying device using gear pump and screw pump
CN204686604U (en) * 2015-04-08 2015-10-07 浙江三川玻璃有限公司 A kind of glass chamfering device
CN205008341U (en) * 2015-09-30 2016-02-03 耐驰(兰州)泵业有限公司 Clear barreled of high viscosity barreled material is put
CN206942990U (en) * 2017-07-12 2018-01-30 潍坊萨伯特精密转动设备有限公司 A kind of single-screw (single screw) pump of novel removable
CN208651139U (en) * 2018-07-10 2019-03-26 广东斯坦德流体***有限公司 The clear barrel of screw pump with positioning function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110586011A (en) * 2019-09-28 2019-12-20 中核四川环保工程有限责任公司 Waste oil curing device

Similar Documents

Publication Publication Date Title
CN110397603B (en) Water pump
CN106678405B (en) high pressure self-closing valve
CN209034712U (en) A kind of suck back valve with agitating function
CN108869277A (en) The clear barrel of screw pump with positioning function
CN103894315A (en) Equipment for fluid quantitative injection
CN202921523U (en) Novel liquid metering conveying device
CN208651139U (en) The clear barrel of screw pump with positioning function
CN208534746U (en) A kind of clear barrel using screw pump
CN104003340B (en) Pigment bulking system
CN105257501A (en) Novel ceramic liquid charge pump
CN109480662A (en) Liquid feed device and liquid feed method
CN209735950U (en) multipoint glue injection valve
CN108915976B (en) A kind of high viscosity fluid delivery pump
CN107968184B (en) Liquid injection pump for injecting liquid into battery
KR102457681B1 (en) Positive―displacement pump and pumping group for fluid products and method for the use thereof
CN204061078U (en) Accurate topping-up pump
CN113320845B (en) Feeding hopper for functional film processing
CN211938309U (en) Vertical single-screw barrel cleaning pump
CN111893688B (en) Pneumatic homogenizing device for dye of dyeing machine
CN108194348A (en) A kind of fluid rotary mechanism, fluid pump and executive device
CN209586613U (en) A kind of discharging device
CN219388081U (en) Combined metering pump
CN207634337U (en) A kind of dual-gripper screw pump
CN212596833U (en) Photoresist spraying system
CN215486419U (en) Spiral push-pull type ceramic filling pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination