CN208534746U - A kind of clear barrel using screw pump - Google Patents

Abstract

The utility model discloses a kind of clear barrels using screw pump, including bottom plate, lifter 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 the lifter plate, the screw pump passes through the lifter plate and carries out with lifter plate affixed, the screw pump is equipped with suction chamber and discharge room, 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；Staving retaining mechanism is equipped between described two lifting devices, staving retaining mechanism is clamped on the shell of lifting device by clamping unit.The utility model is using screw pump as the work pump housing, and due to the flow trim of screw pump, pressure pulse is small, noise is low, high-efficient, the service life is long, and screw pump is insensitive to the viscosity of medium, therefore the work pump housing for being highly suitable as clear barrel uses.

Description

A kind of clear barrel using screw pump

Technical field

The utility model relates to chemical field, in particular to a kind of clear barrel using screw pump.

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 brings very big influence to actual production.

Utility model content

Technical problem to be solved by the utility model is: the utility model provides a kind of clear barrel using screw pump, The clear barrel, as the work pump housing, is discharged the high-viscosity material in bucket smoothly using screw pump, and this is clear Barrel is equipped with staving retaining mechanism, and staving can be fixed.

The solution that the utility model solves its technical problem is: a kind of clear barrel using screw pump, 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 is 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 annulus platen, and the lower surface of upper annulus platen is connected with annulus scraper plate, annulus scraper plate Lower surface be connected with lower annulus platen, the upper annulus platen, annulus scraper plate and lower annulus platen three concentrically axis, on The interior circular hole of the interior circular hole of annulus platen, the interior circular hole of annulus scraper plate and lower annulus platen is connected to the suction chamber, described The outer diameter of the outer diameter of upper annulus platen and lower annulus platen is respectively less than the outer diameter of the annulus scraper plate；Described two lifting devices are left The right side is symmetrically arranged at the two sides of the screw pump, is equipped with staving retaining mechanism, staving retaining mechanism between described two lifting devices The left and right sides be equipped with clamping unit, clamping unit is clamped on the shell of the lifting device.

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, the lifting device is Pneumatic power elevator apparatus.

As a further improvement of the above technical scheme, the upper surface of the upper annulus platen is equipped with scavenging air valve, scavenging air valve Inside be equipped with vertical ventilation valve passage, the upper annulus platen, annulus scraper plate and lower annulus platen be equipped with ventilation circular hole, Ventilation circular hole is connected to the ventilation valve passage, and the scavenging air valve is normal open type.

Further improvement as above-mentioned technical proposal, the ventilation valve passage include upper section circular hole and lower section circular hole, The diameter of the upper section circular hole is greater than the diameter of lower section circular hole, and circle ball and spring, the lower end of the ball are equipped in upper section circular hole Equipped with guide cylinder, the lower end of guide cylinder is equipped with ventilation pressing plate, and ventilation pressing plate is located at the lower section of the lower annulus platen, described The periphery of guide cylinder is equipped with the spring, and the outer diameter of spring is greater than the diameter of lower section circular hole.

Further improvement as above-mentioned technical proposal, the central axis of the upper section circular hole and the center of lower section circular hole Axis is overlapped, and the maximum outside diameter of the ball is less than the diameter of the upper section circular hole, the diameter of the lower section circular hole and described is changed The diameter of gas circular hole is all larger than the diameter of the guide cylinder, and the size of the ventilation pressing plate is greater than the ventilation circular hole Diameter.

As a further improvement of the above technical scheme, the annulus scraper plate is made of rubber.

As a further improvement of the above technical scheme, the staving retaining mechanism is fixed including the first fixed jaw, second Pawl, the first connecting plate and the second connecting plate, second connecting plate, the first fixed jaw, the first connecting plate and the second fixed jaw according to The connection of secondary first and last, the first connecting plate and the second connecting plate are towards being arranged in parallel, the junction of the first connecting plate and the second fixed jaw To be hinged, the junction of the second connecting plate and the second fixed jaw is lock connection.

Further improvement as above-mentioned technical proposal, first connecting plate and the clamping unit for being located at right side Connection, the second connecting plate are connect with the clamping unit for being located at left side.

The beneficial effects of the utility model are: the utility model uses screw pump as the work pump housing, due to screw pump Flow trim, pressure pulse are small, noise is low, high-efficient, the service life is long, reliable operation, and screw pump is unwise to the viscosity of medium Sense, therefore the work pump housing for being highly suitable as clear barrel uses.The utility model due to setting there are two lifting device, Annulus platen and annulus scraper plate can smoothly be gone up and down, and avoid the phenomenon that annulus platen and annulus scraper plate are tilted to side；This Utility model is additionally provided with staving retaining mechanism, can be locked to the staving equipped with high-viscosity material, prevent staving from existing It topples in clear bucket operation.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it His design scheme and attached drawing.

Fig. 1 is the stereoscopic schematic diagram of the utility model embodiment a1；

Fig. 2 is the front view of the utility model embodiment a1；

Fig. 3 is the stereoscopic schematic diagram of the utility model embodiment a1 staving retaining mechanism；

Fig. 4 is cross-sectional view of the utility model embodiment a1 scavenging air valve in exhaust；

Fig. 5 is cross-sectional view of the utility model embodiment a1 scavenging air valve in closing.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each technology in the invention is special Sign, can be with combination of interactions under the premise of not conflicting conflict.Finally, it should be noted that as text in term " center ", The orientation or positional relationship of the instructions such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" is then based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation.In addition, being used for description purposes only if term " first ", " second ", " third " in text, and should not be understood as Indication or suggestion relative importance.

Referring to Fig.1~Fig. 5, this is the embodiments of the present invention a1, specifically:

A kind of clear barrel using screw pump, including bottom plate 1, lifter plate 2 and screw pump 3, the bottom plate are equipped with two A lifting device 4, the lifting device can be hydraulic lift or Pneumatic power elevator apparatus, the lifting dress of the utility model Both preferably Pneumatic power elevator apparatus, the external compressed gas of Pneumatic power elevator apparatus are set, Pneumatic power elevator apparatus is equipped with 41 He of shell The shell of gas bar 42, Pneumatic power elevator apparatus is located on bottom plate.Described two Pneumatic power elevator apparatus are two identical Pneumatic elevations Device, described two Pneumatic power elevator apparatus use the same solenoid valve control, so that the gas bar of two Pneumatic power elevator apparatus is realized Synchronization lifting, the solenoid valve have commutation function.The screw pump is single-screw (single screw) pump, and the single-screw (single screw) pump includes power output Device 31, transmission device 32 and screw rod rotating device 33, the power output device include motor and speed reducer, the motor The rigid connection of the input shaft of output shaft and speed reducer, the screw actuator include rotor, stator and universal joint connecting shaft, are turned Son is rotated in the internal helicoid of the stator, and the transmission device includes transmission shaft, and the transmission shaft is defeated with the speed reducer Shaft rigid connection, transmission shaft and rotor carry out flexible connection by the universal joint connecting shaft.

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 arranged straight down, and single-screw (single screw) pump is equipped with suction chamber 34 and discharge room 35, the suction chamber is connected to the feed inlet of single-screw (single screw) pump, and the discharge room is connected to the discharge port of single-screw (single screw) pump, suction chamber position In the lower end of the single-screw (single screw) pump, the middle part that room is located at the single-screw (single screw) pump is discharged.The lower surface of the suction chamber is connected with Staving pressing plate, the staving pressing plate include upper annulus platen 61, annulus scraper plate 62 and lower annulus platen 63, under upper annulus platen Surface is connected with annulus scraper plate, and the lower surface of annulus scraper plate is connected with lower annulus platen, the upper annulus platen, 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 lower annulus platen it is interior Circular hole is connected to the suction chamber.In order to enable the utility model to clean out the high-viscosity material on inner wall of barrel, 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, the annulus scraper plate by Rubber is made, and the outer diameter of annulus scraper plate is slightly larger than the inner diameter of staving.The single-screw (single screw) pump is from the suction chamber of lower end by staving Interior high-viscosity material is drawn into the stator, and the high-viscosity material in stator is constantly past by the helical rotation of the rotor Upper promotion, last high-viscosity material are discharged from discharge room.

Referring to Fig. 3, described two Pneumatic power elevator apparatus bilateral symmetries are located at the two sides of the single-screw (single screw) pump, described two gas It is equipped with staving retaining mechanism 5 between dynamic lifting device, is equipped with clamping unit 51, card-tight part at left and right sides of staving retaining mechanism Part is clamped on the shell of the Pneumatic power elevator apparatus.The staving retaining mechanism includes the first fixed jaw 52, the second fixed jaw 53, the first connecting plate 54 and the second connecting plate 55, second connecting plate, the first fixed jaw, the first connecting plate and second are fixed Successively first and last connects pawl, and the first connecting plate is with the second connecting plate towards being arranged in parallel, i.e., the first connecting plate is located at the second connecting plate Opposite and the two it is parallel, the junction of first connecting plate and the second fixed jaw be it is hinged, the second connecting plate is equipped with Locking 551, the second fixed jaw are equipped with lower lock 531, and the junction of second connecting plate and the second fixed jaw is that lock connects. First connecting plate is connect with the clamping unit for being located at right side, the second connecting plate and the clamping unit for being located at left side Connection；The clamping unit is equipped with clamping slotted hole, passes through bolt and institute positioned at the clamping unit in left side and the second connecting plate The adjustable connection for stating clamping slotted hole to carry out clamping to the shell of the Pneumatic power elevator apparatus in left side, the clamping unit positioned at right side With the first connecting plate by the adjustable connection of bolt and the clamping slotted hole come the shell of the Pneumatic power elevator apparatus to right side into Row clamping, so that the staving retaining mechanism can be located at up or down on the shell of the Pneumatic power elevator apparatus.On described When lock is with lower locking phase button, staving retaining mechanism forms closed loop, and the maximum gauge of the closed loop should be consistent with the outer diameter of staving, when The maximum gauge of the closed loop and outer diameter of staving is inconsistent and staving is there are when multiple outer diameters, can be by moving up and down staving lock Tight mechanism, so that the maximum gauge of the closed loop is consistent with the outer diameter of staving, to be locked to staving.The closed loop The central axis of maximum gauge be overlapped with the central axis of the annulus scraper plate.

Using the above structure, the utility model has the beneficial effects that the utility model using single-screw (single screw) pump as the work pump housing, Due to the flow trim of single-screw (single screw) pump, pressure pulse is small, noise is low, high-efficient, the service life is long, reliable operation, and single-screw (single screw) pump It is insensitive to the viscosity of medium, therefore the work pump housing for being highly suitable as clear barrel uses.The utility model is due to being equipped with Two Pneumatic power elevator apparatus, therefore staving pressing plate can smoothly be gone up and down, and avoid the phenomenon that staving pressing plate is tilted to side；This Utility model is additionally provided with staving retaining mechanism, can be locked to the staving equipped with high-viscosity material, prevent staving from existing It topples in clear bucket operation.

Since the feed inlet of the single-screw (single screw) pump of the utility model is located at the end of stator, discharge port is located at screw rod rotating device The high-viscosity material of high pressure enters power output device by transmission device between transmission device, therefore in order to prevent, institute It states and is equipped with high-pressure-resistant sealed room 7 between transmission device and screw rod rotating device.High-pressure-resistant sealed room is carried out using fixed double combinations One end that sealing, i.e. transmission device are sealedly connected on the high-pressure-resistant sealed room, screw rod rotating device is sealedly connected on described resistance to The other end of high pressure sealing room, the high-pressure-resistant sealed room is as buffer area.

Referring to Fig. 4 and Fig. 5, after the staving pressing plate is contacted with staving, due to the outer diameter of the annulus scraper plate on staving pressing plate Slightly larger than the inner diameter of the staving, therefore between staving and staving pressing plate, there are sealing spaces, if will not be in sealing space Air discharge, staving pressing plate can not continue to move down.Therefore, the upper surface of the upper annulus platen on the staving pressing plate Equipped with scavenging air valve 8, the inside of scavenging air valve is equipped with vertical ventilation valve passage, the upper annulus platen, annulus scraper plate and lower annulus Platen is equipped with ventilation circular hole 64, and ventilation circular hole is connected to the ventilation valve passage, and ventilation circular hole is located at the ventilation valve passage Underface.The ventilation valve passage includes upper section circular hole 81 and lower section circular hole 82, and the central axis of the upper section circular hole is under The central axis of Duan Yuankong is overlapped, and the diameter of the upper section circular hole is greater than the diameter of lower section circular hole, is equipped with ball in upper section circular hole 83 and spring 84, the lower end of the ball is equipped with guide cylinder 85, and the lower end of guide cylinder is equipped with ventilation pressing plate 86, pressing plate of taking a breath It is located at the lower section of the lower annulus platen, the periphery of the guide cylinder is equipped with the spring, and the outer diameter of spring is greater than lower section circle The diameter in hole, the scavenging air valve are normal open type.In order to increase the contact surface of the ventilation pressing plate and high-viscosity material, the ventilation The lower surface of pressing plate is plane；In order to guarantee that the normal work of scavenging air valve, the size of the ventilation pressing plate are greater than described change The upper surface of the diameter of gas circular hole, pressing plate of taking a breath is circular arc, can preferably close the ventilation circular hole of the lower annulus platen.Institute The maximum outside diameter for stating ball is less than the diameter of the upper section circular hole, the diameter of the diameter of the lower section circular hole and the ventilation through-hole It is all larger than the diameter of the guide cylinder.

For the utility model before use, being first turned on electromagnetic valve switch, compressed gas injects Pneumatic power elevator apparatus, pneumatic to rise The gas bar of falling unit drives lifter plate and single-screw (single screw) pump to rise to highest point, then unlocks the locking of staving retaining mechanism under Lock, the staving (opening) for filling high-viscosity material is placed in staving retaining mechanism, fastens locking and lower lock, so that staving Opening is located at the underface of the annulus scraper plate, opens the reversing switch of solenoid valve later, and the gas bar of Pneumatic power elevator apparatus drives Lifter plate and single-screw (single screw) pump decline.Gas when the inner wall of staving pressing plate and staving contacts, between staving pressing plate and staving It is discharged from the scavenging air valve of normal open type, when the ventilation pressing plate of scavenging air valve touches high-viscosity material, ventilation pressing plate drives ball It up moves, the ventilation circular hole of lower annulus platen is closed in the upper surface for pressing plate of taking a breath, and channel of taking a breath at this time is closed.Then work as bucket When body pressing plate touches high-viscosity material, start the motor switch of single-screw (single screw) pump, single-screw (single screw) pump is started to work, and single-screw (single screw) pump is under The intracorporal high-viscosity material of bucket is drawn into stator by the suction chamber at end, and the high-viscosity material in stator is turned by the spiral of rotor Dynamic constantly up to push, high-viscosity material is discharged from discharge room later.Finally, the gas bar when Pneumatic power elevator apparatus drops to extremely When point, the intracorporal high-viscosity material of bucket is drained at this time, closes the motor switch of single-screw (single screw) pump, and the commutation for opening solenoid valve is opened It closes, the gas bar of Pneumatic power elevator apparatus drives lifter plate and single-screw (single screw) pump to rise, in uphill process, since ball is in gravity Under effect, the upper surface of ventilation pressing plate is driven to leave the ventilation circular hole of lower annulus platen, ventilation channel is opened, outside air into Enter into the space between staving pressing plate and staving, staving pressing plate is successfully up moved, Pneumatic power elevator apparatus is worked as Gas bar when rising to highest point, the utility model enters standby mode.When carrying out the operation of clear bucket next time, empty barrel is replaced with newly The staving for filling high-viscosity material, repeat above-mentioned operation, new clear bucket operation can be started.

The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (10)

1. a kind of clear barrel using screw pump, including bottom plate, lifter plate and screw pump, set that there are two liftings on the bottom plate Device, the lifting device are equipped with shell and elevating lever, and the screw pump is arranged straight down, it is characterised in that: described two The elevating lever of lifting device is fixedly connected with the lower surface of the lifter plate, and the middle position of lifter plate is logical equipped with screw pump Hole, the screw pump are passed through and the screw pump through-hole and are fixedly connected with lifter plate, the screw pump be equipped with suction chamber and Room is discharged, the suction chamber is connected to the feed inlet of screw pump, and the discharge room is connected to the discharge port of screw pump, suction chamber position In the lower end of the screw pump, the middle part that room is located at the screw pump is discharged；The lower surface of the suction chamber is connected with circle Ring platen, the lower surface of upper annulus platen are connected with annulus scraper plate, and the lower surface of annulus scraper plate is connected with lower annulus platen, described Upper annulus platen, annulus scraper plate and lower annulus platen three concentrically axis, the interior circular hole of upper annulus platen, annulus scraper plate it is interior The interior circular hole of circular hole and lower annulus platen is connected to the suction chamber, the outer diameter of the upper annulus platen and lower annulus platen Outer diameter is respectively less than the outer diameter of the annulus scraper plate；Described two lifting device bilateral symmetries are located at the two sides of the screw pump, institute It states and is equipped with staving retaining mechanism between two lifting devices, be equipped with clamping unit, clamping at left and right sides of staving retaining mechanism Component is clamped on the shell of the lifting device.

2. a kind of clear barrel using screw pump according to claim 1, it is characterised in that: the screw pump is single spiral shell Bar pump, the single-screw (single screw) pump includes power output device, transmission device and screw rod rotating device.

3. a kind of clear barrel using screw pump according to claim 2, it is characterised in that: the transmission device and spiral shell High-pressure-resistant sealed room is equipped between bar rotating device.

4. a kind of clear barrel using screw pump according to claim 1, it is characterised in that: the lifting device is gas Dynamic lifting device.

5. a kind of clear barrel using screw pump according to claim 1, it is characterised in that: the upper annulus platen Upper surface is equipped with scavenging air valve, and the inside of scavenging air valve is equipped with vertical ventilation valve passage, the upper annulus platen, annulus scraper plate and under Annulus platen is equipped with ventilation circular hole, and ventilation circular hole is connected to the ventilation valve passage, and the scavenging air valve is normal open type.

6. a kind of clear barrel using screw pump according to claim 5, it is characterised in that: the ventilation valve passage packet Upper section circular hole and lower section circular hole are included, the diameter of the upper section circular hole is greater than the diameter of lower section circular hole, is equipped with ball in upper section circular hole And spring, the lower end of the ball are equipped with guide cylinder, the lower end of guide cylinder is equipped with ventilation pressing plate, and ventilation pressing plate is located at described The lower section of lower annulus platen, the periphery of the guide cylinder are equipped with the spring, and the outer diameter of spring is greater than the diameter of lower section circular hole.

7. a kind of clear barrel using screw pump according to claim 6, it is characterised in that: in the upper section circular hole Mandrel line is overlapped with the central axis of lower section circular hole, and the maximum outside diameter of the ball is less than the diameter of the upper section circular hole, described The diameter of the diameter of lower section circular hole and the ventilation circular hole is all larger than the diameter of the guide cylinder, the size of the ventilation pressing plate Size is greater than the diameter of the ventilation circular hole.

8. a kind of clear barrel using screw pump according to claim 1, it is characterised in that: the annulus scraper plate is by rubber Glue is made.

9. a kind of clear barrel using screw pump according to claim 1, it is characterised in that: the staving retaining mechanism Including the first fixed jaw, the second fixed jaw, the first connecting plate and the second connecting plate, second connecting plate, the first fixed jaw, Successively first and last connects for one connecting plate and the second fixed jaw, and with the second connecting plate towards being arranged in parallel, first connects the first connecting plate The junction of plate and the second fixed jaw be it is hinged, the junction of the second connecting plate and the second fixed jaw is lock connection.

10. a kind of clear barrel using screw pump according to claim 9, it is characterised in that: first connecting plate It is connect with the clamping unit for being located at right side, the second connecting plate is connect with the clamping unit for being located at left side.