CN210389665U

CN210389665U - Bidirectional circulation mixer

Info

Publication number: CN210389665U
Application number: CN201920906554.6U
Authority: CN
Inventors: 袁帅; 杨晓萌; 张世功; 唐尧; 李众谋
Original assignee: BEIJING CONSTR ENG
Current assignee: BEIJING CONSTR ENG
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-04-24
Anticipated expiration: 2029-06-15

Abstract

The utility model relates to a bidirectional circulation mixer, which comprises a frame, a frame base arranged at the bottom of the frame, a mixing motor fixedly arranged at the top end of the frame, a mixing rod rotationally connected with the mixing motor, a mixing blade fixedly connected on the mixing rod, and a mixing tank fixedly connected on the frame base, wherein the mixing motor is fixedly arranged right above the opening of the mixing tank, and the mixing rod is arranged in the mixing tank; the stirring blade comprises a forward-rotating helical blade arranged at the upper part of the stirring rod and a reverse-rotating helical blade arranged at the lower part of the stirring rod; the positive-rotation helical blade and the negative-rotation helical blade are vertically and circularly fixedly connected on the stirring rod, and the lower end of the positive-rotation helical blade is abutted against the upper end of the negative-rotation helical blade. The utility model discloses have through two-way stirring vane's setting, relative impact force is broken up the cement piece about positive helical blade and the formation of derotation helical blade butt department, makes water and cement intensive mixing, promotes the effect of the accuracy of grout water cement ratio.

Description

Bidirectional circulation mixer

Technical Field

The utility model belongs to the technical field of the technique of mixer and specifically relates to a two-way circulation mixer is related to.

Background

A stirrer is a construction engineering machine and is mainly used for stirring building materials such as cement, sand and stone, various dry-mixed mortar and the like. The stirring rod with helical blades rotates in a stirring barrel to stir and mix a plurality of raw materials to form a mixture or a machine with proper consistency. The existing concrete mixing mode is that all concrete components are mixed together and stirred through a helical blade fixedly connected to a stirring rod in a unidirectional rotation mode, the mixing mode can cause uneven mixing of cement and water, cement particles in cement paste rotate towards one direction all the time and are difficult to break up, the mixing effect of cement paste is poor, and the use of the cement particles in the cement paste is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two-way circulation mixer, its advantage is through the setting of positive helical blade and the contra-rotating helical blade on the puddler, and relative impact force about positive helical blade and the formation of contra-rotating helical blade butt department break up the cement piece, make water and cement intensive mixing, promote the accuracy of grout water cement ratio.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a bidirectional circulation stirrer comprises a frame, a frame base, a stirring motor fixedly arranged at the top end of the frame, a stirring rod rotationally connected with the stirring motor, a stirring blade fixedly connected on the stirring rod, and a stirring barrel fixedly connected on the frame base; a stirring motor is fixedly arranged right above the opening of the stirring barrel, and the stirring rod is arranged in the stirring barrel; the stirring blade comprises a forward-rotating helical blade arranged at the upper part of the stirring rod and a reverse-rotating helical blade arranged at the lower part of the stirring rod; the forward-rotating helical blade and the reverse-rotating helical blade are vertically and circularly fixedly connected on the stirring rod, and the lower end of the forward-rotating helical blade is abutted against the upper end of the reverse-rotating helical blade.

By adopting the technical scheme, when the stirrer works, the stirring motor drives the stirring rod, the forward-rotating spiral blade on the stirring rod rotates to convey the slurry on the upper part of the stirring barrel downwards, the reverse-rotating spiral blade rotates to convey the slurry on the lower part of the stirring barrel upwards, so that the slurry on the upper part of the stirring barrel and the slurry on the lower part of the stirring barrel are mixed together in the middle, one part of the mixed slurry flows upwards, the other part of the mixed slurry flows downwards, and a slurry circulation loop is formed, so that the slurry is more uniformly mixed; meanwhile, the grout on the upper part of the stirring barrel and the grout on the lower part form vertical opposite impact force at the joint of the forward-rotating spiral blade and the reverse-rotating spiral blade, so that cement blocks in the cement paste are scattered and fully mixed with the grout; through two-way stirring vane's setting, the mixing that crosses of thick liquid about not only can realizing, relative impact force is broken up the cement piece about positive helical blade and the formation of derotation helical blade butt department moreover, makes water and cement intensive mixing, and the stirring is mixed effectually, promotes the effect of the accuracy of grout water-cement ratio.

The utility model discloses further set up to: an isolation sleeve is vertically and fixedly arranged in the stirring barrel, the height of the isolation sleeve in the vertical direction is lower than that of the stirring barrel, the isolation sleeve is sleeved on the stirring blade, a plurality of through holes are formed in the peripheral surface of the isolation sleeve, and a certain rotating space is formed between the isolation sleeve and the stirring blade; first connecting plates are uniformly arranged on the outer peripheral surface of a pipe orifice at the upper end of the isolation sleeve at intervals, second connecting plates are uniformly arranged on the inner peripheral surface of the stirring barrel at intervals relative to the first connecting plates, threaded holes are formed in the first connecting plates and the second connecting plates respectively, and the first connecting plates are fixed on the second connecting plates through bolts; and the lower end pipe orifice of the isolation sleeve is positioned above the bottom plate of the stirring barrel.

Through adopting above-mentioned technical scheme, the isolation sleeve not only has the filter action to the cement thick liquid that is located inside, make the cement piece unable through the isolation sleeve, increase the quality of cement thick liquid, the cement piece that is located in the isolation sleeve is receiving the extrusion force of the thick liquid that outwards spills over moreover, crowd the cement piece more easily and break up, even mixture is in the cement thick liquid, the cement piece that is located isolation sleeve inside simultaneously can be broken up the discharge isolation sleeve by stirring vane rotary cutting again, carry out further breaking up to the cement piece, promote the grout quality.

The utility model discloses further set up to: the lower end pipe orifice of the isolation sleeve is fixedly connected with a limiting block, a groove corresponding to the limiting block is formed in the upper surface of the bottom plate of the stirring barrel, and a channel for circulating cement slurry is formed between the limiting blocks (10).

Through adopting above-mentioned technical scheme, insert the stopper in the recess, further fix the isolation sleeve, avoid the isolation sleeve skew to appear or rotatory, influence the efficiency of construction.

The utility model discloses further set up to: and a pulp outlet hole is formed in the outer peripheral surface of the stirring barrel close to the bottom end.

Through adopting above-mentioned technical scheme, both made things convenient for grout to discharge from the agitator, can guarantee again that the agitator is inside clean, avoid when later stage clearance because cement subsides the rigid coupling and increased the degree of difficulty of clearance, reduce the efficiency of construction.

The utility model discloses further set up to: the pulp outlet hole is fixedly connected with a pulp outlet pipe outwards.

By adopting the technical scheme, one end of the slurry outlet pipe is fixedly connected with the slurry outlet hole, and the other end of the slurry outlet pipe is connected with the rubber pipe, so that the pipeline is conveniently connected with the slurry outlet hole.

The utility model discloses further set up to: and a pulp stop valve is arranged on the pulp outlet pipe.

By adopting the technical scheme, when cement paste is not needed, the discharge of the cement paste is conveniently and timely controlled, and the waste of resources and the pollution to the surrounding environment are avoided.

The utility model discloses further set up to: and a reinforcing plate is fixedly arranged at the fixed connection part of the pulp outlet pipe and the pulp outlet hole.

By adopting the technical scheme, the situation that the fixed connection part of the pulp outlet pipe and the pulp outlet hole is broken is avoided, and the firmness of the fixed connection part of the pulp outlet pipe and the pulp outlet hole is enhanced.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the bidirectional stirring blades, the cement blocks are scattered by forming vertical opposite impact forces at the butting positions of the forward-rotating spiral blades and the reverse-rotating spiral blades, so that water and cement are fully stirred, and the effect of improving the accuracy of the water cement ratio of cement paste is improved;

2. through the arrangement of the isolation sleeve, the stirring rod drives the stirring blade to rotate in the isolation sleeve, and the forward-rotating spiral blade and the backward-rotating spiral blade are abutted to the inside of the isolation sleeve to form vertical opposite impact force so as to further break up cement blocks in cement paste;

3. through the setting of play thick liquid pipe and thick liquid valve, both made things convenient for the connection of rubber tube and play thick liquid hole, the discharge of convenient control grout again avoids causing the waste of resource and the pollution to all ring edge borders.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the salient helical blade of the present invention;

FIG. 3 is a schematic sectional view of the helical blade and the mixing tank of the present invention;

fig. 4 is a schematic view of the structure of the cement block at the perforated position in the isolation sleeve according to the present invention.

In the figure, 1, a frame; 2. a frame base; 3. a stirring motor; 4. a stirring rod; 401. a stirring blade; 4011. a forward-rotating helical blade; 4012. a counter-rotating helical blade; 5. a stirring barrel; 6. an isolation sleeve; 7. perforating; 8. a first connecting plate; 9. a second connecting plate; 10. a limiting block; 11. a groove; 12. a slurry outlet; 13. a pulp outlet pipe; 14. a slurry stop valve; 15. a reinforcing plate; F. a pressing force.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a two-way circulation mixer, including frame 1, set up frame base 2 in the frame bottom, set firmly agitator motor 3 on frame 1 top, the puddler 4 of being connected with agitator motor 3, rigid coupling stirring vane 401 on puddler 4, rigid coupling agitator 5 on frame base 2. 5 openings of agitator 5 are upwards, and have set firmly agitator motor 3 directly over 5 axial direction's of agitator opening, and agitator motor 3's drill bit position is connected with puddler 4, and puddler 4 sets up in 5 inside and lie in the axis of agitator 5 of agitator. The stirring blade 401 comprises a forward-rotating spiral blade 4011 at the upper part and a reverse-rotating spiral blade 4012 at the lower part of the stirring rod 4 in the stirring barrel 5; the forward spiral blade 4011 and the reverse spiral blade 4012 vertically surround and are fixedly connected to the outer peripheral surface of the stirring rod 4, and the lower end of the forward spiral blade 4011 is abutted to the upper end of the reverse spiral blade 4012.

At the mixer during operation, agitator motor 3 drives puddler 4, and the thick liquid of the rotatory thick liquid with in the agitator 5 of positive spiral helical blade 4011 on the puddler 4 is carried downwards, and the thick liquid of the rotatory thick liquid with in the agitator 5 of negative spiral helical blade 4012 is carried upwards, and the thick liquid is mixed in intersecting in the agitator middle part to relative impact force about positive spiral blade 4011 and negative spiral blade 4012 butt department form, with the cement piece break away in the grout. By arranging the forward spiral blades 4011 and the reverse spiral blades 4012 on the stirring rod 4, the slurry on the upper part and the slurry on the lower part of the stirring barrel 5 can be mixed during stirring, so that the stirring is more uniform; and form relative impact force from top to bottom in positive spiral blade 4011 and contra-rotating spiral blade 4012 butt department, break up the cement piece, make water and cement intensive mixing, promote the accuracy of grout water cement ratio.

In order to better break up cement blocks in the slurry, an isolation sleeve 6 is arranged in the stirring barrel 5, the height of the isolation sleeve 6 in the vertical direction is lower than that of the stirring barrel 5, the isolation sleeve 6 is vertically sleeved on the stirring blade 401, and a certain rotating space is formed between the isolation sleeve 6 and the stirring blade 401; the circumferential surface of the isolation sleeve 6 is provided with a plurality of through holes 7 for discharging or entering the slurry; the outer peripheral face of the pipe orifice at the upper end of the isolation sleeve 6 is provided with a plurality of first connecting plates 8 at even intervals, the inner peripheral face of the stirring barrel 5 is located on the inner wall of the stirring barrel 5 relative to the first connecting plates 8 and is provided with a plurality of second connecting plates 9 at even intervals, threaded holes are respectively formed in the first connecting plates 8 and the second connecting plates 9, the first connecting plates 8 are abutted to the second connecting plates 9, the threaded holes are corresponding, and bolts penetrate through the threaded holes and are locked through nuts. The lower end pipe orifice of the isolation sleeve 6 vertically extends downwards to the upper part of the bottom plate of the stirring barrel 5, and a passage for slurry to flow is formed between the lower end pipe orifice of the isolation sleeve 6 and the bottom plate of the stirring barrel 5. When the stirring rod 4 drives the stirring blade 401 to rotate, the cement blocks positioned inside the isolation sleeve 6 cannot be discharged through the through holes 7, at the moment, the slurry positioned on the upper part of the stirring barrel 5 and the slurry positioned on the lower part form vertical relative impact force at the butting positions of the forward spiral blade 4011 and the backward spiral blade 4012, the cement blocks receive extrusion force F given by the slurry flushed out from the isolation sleeve 6, and the cement blocks in the cement paste are scattered until the isolation sleeve 6 is scattered and discharged.

When the stirring blade 401 rotates to drive the cement paste to rotate, a large rotating force is applied to the isolation sleeve 6. Preferably, a plurality of limiting blocks 10 are fixedly connected to the lower end pipe orifice of the isolation sleeve 6, a plurality of grooves 11 corresponding to the limiting blocks 10 are formed in the upper surface of the bottom plate of the stirring barrel 5, and channels for flow at intervals are formed between adjacent limiting blocks. Insert stopper 10 in the recess 11, further fix isolation sleeve 6, avoid isolation sleeve 6 skew or rotation to appear, influence the efficiency of construction.

After the cement paste is uniformly stirred, in order to facilitate the discharge and use of the cement paste and the cleaning of the stirring barrel 5, a paste outlet hole 12 is formed in the outer peripheral surface of the stirring barrel 5 close to the bottom end, and the cement paste is discharged and used through the paste outlet hole 12. After grout is discharged, wash by water in to agitator 5 and wash, discharge through grout outlet 12, guarantee that agitator 5 is inside clean, avoid when later stage clearance because cement subsides the rigid coupling and has increased the degree of difficulty of clearance, reduce the efficiency of construction.

Preferably, in order to facilitate the connection between the pipeline and the slurry outlet 12, a slurry outlet pipe 13 of 15-30 cm is fixedly connected to the outside of the slurry outlet 12. One end of the slurry outlet pipe 13 is fixedly connected with the slurry outlet hole 12, and the other end is connected with the rubber pipe.

Preferably, in order to conveniently control the discharge of the cement slurry and avoid the waste of resources and the pollution to the surrounding environment, the slurry outlet pipe 13 is provided with a slurry stop valve 14. When no cement paste is needed, the grout stop valve 14 is closed in time, and the cement paste is disconnected.

Due to the use of the pulp outlet pipe 13 for many times, the joint of the pulp outlet pipe 13 and the pulp outlet hole 12 can be broken. Preferably, a plurality of triangular reinforcing plates are fixedly arranged at the fixedly connected part of the pulp outlet pipe 13 and the pulp outlet hole 12 at equal intervals, one side of each triangular reinforcing plate is fixedly connected to the pulp outlet pipe 13, and the other side of each triangular reinforcing plate is fixedly connected to the stirring barrel 5, so that the firmness of the pulp outlet pipe 13 is enhanced.

The implementation principle of the embodiment is as follows: when the stirrer works, the stirring motor 3 drives the stirring rod 4, the stirring rod 4 drives the stirring blade 401 to rotate in the isolation sleeve 6, the forward-rotation spiral blade 4011 on the stirring rod 4 rotates to convey slurry in the stirring barrel 5 downwards, the reverse-rotation spiral blade 4012 rotates to convey slurry in the stirring barrel 5 upwards, so that the slurry at the upper part and the slurry at the lower part of the stirring barrel 5 are mixed together in the middle, one part of the mixed slurry flows upwards, and the other part of the mixed slurry flows downwards to form a slurry circulation loop, so that the slurry is mixed more uniformly; the cement lumps in the spacer sleeve 6 cannot be discharged through the perforations 7, and at this time, the slurry in the upper portion of the mixer drum 5 and the slurry in the lower portion thereof form vertically opposite impact forces at the contact portions of the forward screw blade 4011 and the reverse screw blade 4012, so that the cement lumps in the cement slurry are scattered and sufficiently mixed with the slurry. Through two-way stirring vane 401's setting, the mixing of crossing of thick liquid about not only can realizing, relative impact force is broken up the cement piece about positive spiral blade 4011 and the formation of derotation helical blade 4012 butt moreover, makes water and cement intensive mixing, and the stirring is mixed effectually, promotes the effect of the accuracy of grout water cement ratio.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A bidirectional circulation stirrer comprises a frame (1), a frame base (2) arranged at the bottom of the frame, a stirring motor (3) fixedly arranged at the top end of the frame (1), a stirring rod (4) rotatably connected with the stirring motor (3), a stirring blade (401) fixedly connected on the stirring rod (4), and a stirring barrel (5) fixedly connected on the frame base (2); a stirring motor (3) is fixedly arranged right above the opening of the stirring barrel (5), and the stirring rod (4) is arranged in the stirring barrel (5); the method is characterized in that: the stirring blade (401) comprises a forward-rotating helical blade (4011) arranged at the upper part of the stirring rod (4) and a reverse-rotating helical blade (4012) arranged at the lower part of the stirring rod (4); the forward spiral blade (4011) and the reverse spiral blade (4012) are vertically and circularly fixedly connected to the stirring rod (4), and the lower end of the forward spiral blade (4011) is abutted to the upper end of the reverse spiral blade (4012).

2. A bi-directional circulation blender as recited in claim 1, wherein: an isolation sleeve (6) is vertically and fixedly arranged in the stirring barrel (5), the height of the isolation sleeve (6) in the vertical direction is lower than that of the stirring barrel (5), the isolation sleeve (6) is sleeved on the stirring blade (401), a plurality of through holes (7) are formed in the peripheral surface of the isolation sleeve (6), and a certain rotating space is formed between the isolation sleeve and the stirring blade (401); first connecting plates (8) are uniformly arranged on the outer peripheral surface of an upper end pipe orifice of the isolation sleeve (6) at intervals, second connecting plates (9) are arranged on the inner peripheral surface of the stirring barrel (5) opposite to the first connecting plates (8), threaded holes are respectively formed in the first connecting plates (8) and the second connecting plates (9), and the first connecting plates (8) are fixed on the second connecting plates (9) through bolts; and the lower end pipe orifice of the isolation sleeve (6) is positioned above the bottom plate of the stirring barrel (5).

3. A bi-directional circulation blender as recited in claim 2, wherein: spacing block (10) are fixed at the lower end pipe orifice of the spacing sleeve (6), a groove (11) corresponding to the spacing block (10) is formed in the upper surface of the bottom plate of the stirring barrel (5), and a passage for circulating cement slurry is formed between the spacing blocks (10).

4. A bi-directional circulation blender as recited in claim 1, wherein: and a pulp outlet (12) is formed in the outer peripheral surface of the stirring barrel (5) close to the bottom end.

5. A bi-directional circulation blender as claimed in claim 4, wherein: the pulp outlet hole (12) is fixedly connected with a pulp outlet pipe (13) towards the outside.

6. A bi-directional circulation blender as claimed in claim 5, wherein: and a pulp stop valve (14) is arranged on the pulp outlet pipe (13).

7. A bi-directional circulation blender as claimed in claim 6, wherein: and a reinforcing plate (15) is fixedly arranged at the fixed connection part of the pulp outlet pipe (13) and the pulp outlet hole (12).