CN208133292U

CN208133292U - concrete mixer

Info

Publication number: CN208133292U
Application number: CN201820615893.4U
Authority: CN
Inventors: 安桐; 富玉丽; 安骏; 安德富
Original assignee: Beijing Anjie Xin De Concrete Co Ltd
Current assignee: Beijing Anjie Xin De Concrete Co Ltd
Priority date: 2018-04-26
Filing date: 2018-04-26
Publication date: 2018-11-23
Anticipated expiration: 2028-04-26

Abstract

The utility model discloses a kind of concrete mixers, its key points of the technical solution are that including mixing drum, the upper end of mixing drum offers feed inlet, lower end offers discharge port, there are two the helical axis being vertically arranged for revolution connection in mixing drum, the driving device for driving helical axis to rotate is provided with above mixing drum, being horizontally disposed in the mixing drum has bottom plate, the lower end revolving support of helical axis is on bottom plate, mouth was provided through in the middle part of bottom plate, the accommodating cavity being connected to mouth excessively is offered in bottom plate, the closing means for opening or closing mouth excessively are provided in accommodating cavity, the closing means include the baffle for being distributed in mouth two sides, drive dynamical element of the baffle simultaneously close to or far from the transmission component and offer power of crossing mouth.The blender of the utility model reduces the stirring space of mixing drum, solves the problems, such as that the concrete positioned at mixing drum lower end cannot be stirred by helical axis, so that it is more abundant to stir concrete.

Description

Concrete mixer

Technical field

The utility model relates to construction material mixing field, in particular to a kind of concrete mixer.

Background technique

Concrete is made of being mixed and stirred in proportion with sandstone, cement and water.For being poured the structural construction of concrete.Existing rank For section to concrete using widely, usage amount is larger, on the one hand not only on the other hand also to have higher to the raising of quality Production efficiency, the concrete agitating device that must have in stirring, loading in mixture native blender is water, sandstone aggregate and water Mud mixes and mixes the machinery of concrete.

The existing day for announcing is 2016.08.17, notification number is to disclose a kind of mortar in the patent document of CN205466737U to stir Machine, including mixing drum and two agitating shafts are mixed, helical mixing blade is provided on agitating shaft, when agitating shaft works, in mixing drum Material by the effect of two agitating shafts, carry out hybrid motion, material forms continuous circulation in agitating device and stirs, thus Achieve the effect that quickly soft uniformly mixed.

But the mixing drum lower end of blender is in funnel shaped material guiding section, and the concrete positioned at material guiding section cannot be stirred device It is stirred, therefore is not thorough non-uniform defect in the presence of stirring.

Utility model content

The purpose of this utility model is to provide a kind of concrete mixers, it reduces the stirring space of mixing drum, from And it is more abundant to stir concrete, improves mixing effect.

The above-mentioned purpose of the utility model technical scheme is that：

A kind of concrete mixer, including mixing drum, the upper end of mixing drum offer feed inlet, and lower end offers discharging Mouthful, there are two the helical axis being vertically arranged, helical axis is made of shaft and helical blade for revolution connection in mixing drum；Mixing drum Top is provided with the driving device for driving helical axis to rotate, and being horizontally disposed in the mixing drum has bottom plate, and the lower end of helical axis is returned Turn to be supported on bottom plate, mouth was provided through in the middle part of bottom plate, the accommodating cavity being connected to mouth excessively, accommodating cavity are offered in bottom plate In be provided with and will cross the closing means that open or close of mouth, the closing means include the baffle for being distributed in mouth two sides, drive Baffle close to or far from the transmission component for crossing mouth and provides the dynamical element of power simultaneously.

First concrete is poured into above bottom plate from feed inlet when blender works by using above-mentioned technical proposal In mixing drum, then start driving device, drives helical axis to be stirred, after the completion of stirring, restart dynamical element and pass through biography Dynamic component drove the baffle of mouth two sides while making mutually separate linear motion, opened mouth, and the concrete being stirred passes through Mouth is crossed to be discharged from discharge port；When needing to stop discharge, then drive baffle while making mutually close linear motion, the two abut from And realized the sealing of mouth；By the way that bottom plate is arranged in mixing drum, it is stirred concrete in the mixing drum above bottom plate, Stirring space is reduced, so that it is more abundant to stir concrete, improves mixing effect；And two block baffle simultaneously make it is close or remote From linear motion, made mouth opens or closes process more rapidly, to keep the discharging process of blender more rapidly smooth.

The utility model is further arranged to：The transmission component includes in accommodating cavity, positioned at the positive and negative tooth for crossing mouth side Lead screw, positive and negative tooth lead screw one end are fixedly connected with the output end of dynamical element, and the other end and accommodating cavity revolution connect；Positive and negative tooth silk Thick stick upper rotary is connected with symmetrically arranged support end seat, and two support end seats are fixedly connected with the baffle for crossing mouth two sides respectively, keep off Plate one end and accommodating cavity sliding far from support end seat connect.

By using above-mentioned technical proposal, dynamical element drives positive and negative tooth lead screw to do rotary motion, so that in support end seat Baffle simultaneously make close or mutually remote linear motion, to realize opening or closing for mouth.

The utility model is further arranged to：The driving device includes the driving motor that output end is vertically arranged, setting In the drive sprocket of driving motor output end, the driven sprocket of helical axis upper end is set and acts on drive sprocket, driven Transmission chain on sprocket wheel.

By using above-mentioned technical proposal, starts driving motor and drive drive sprocket, by being driven chain conveyer, make driven chain Wheel starts turning, so that two helical axis be made to rotate synchronously, is stirred to the concrete in mixing drum；And the not no bullet of chain conveyer Property sliding and skid, accurate average ratios are able to maintain, to keep the whipping process of helical axis more stable.

The utility model is further arranged to：The helical blade is provided with thumb wheel, and the thumb wheel includes rotation axis and divides The axis of the blade of cloth on the rotating shaft, the rotation axis is parallel with the axis of helical axis shaft, and the both ends difference of rotation axis Revolution is connected on adjacent helical blade.

By using above-mentioned technical proposal, when spin axis rotates, the helical blade that concrete is attached to helical axis is stirred, Concrete will drive thumb wheel rotation again simultaneously, carry out local stirring, so that the further mixability of concrete, improves stirring effect Rate.

The utility model is further arranged to：Scraper plate is provided on the helical axis, the scraper plate againsts the upper table of bottom plate Face.

By using above-mentioned technical proposal, scraper plate is bonded with the upper surface of bottom plate, and when helical axis rotates, scraper plate pushes bottom plate On concrete, accelerate concrete discharge while play the role of it is clean.

The utility model is further arranged to：The material of the closing means is selected as stainless steel.

By using above-mentioned technical proposal, the influence of iron rust is avoided, to keep the moving process of closing means more smooth.

In conclusion the utility model has the advantages that：

1, by the bottom plate that setting can open or close in mixing drum, the stirring space of mixing drum is reduced, thus It stirs concrete more abundant, improves mixing effect；

2, by being provided with thumb wheel in helical blade, thumb wheel rotation carries out local stirring to concrete, to further mix The mixability of soil is coagulated, stirring efficiency is improved.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of concrete mixer in embodiment；

Fig. 2 is the cross-sectional view of the line A-A along Fig. 1；

Fig. 3 is the structural schematic diagram of impeller conveying device in embodiment.

In figure, 1, mixing drum；11, feed inlet；12, discharge port；13, helical axis；131, shaft；132, helical blade；14, Thumb wheel；15, bottom plate；151, mouth is crossed；152, accommodating cavity；16, scraper plate；2, driving device；21, driving motor；22, drive sprocket； 23, driven sprocket；24, transmission chain；3, closing means；31, baffle；32, transmission component；321, positive and negative tooth lead screw；322, it supports End seat；33, dynamical element；4, impeller conveying device；41, shell；42, lid；421, handle；43, agitator arm；431, it is driven Axis；4311, slot；432, shift plate；4321, boss；44, power motor；45, engaging lug；451, through-hole；46, bolt and nut group Part.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment：A kind of concrete mixer, as shown in Figure 1 and Figure 2, including mixing drum 1, the upper end of mixing drum 1 offer Feed inlet 11, lower end offer discharge port 12, and there are two the helical axis 13 being vertically arranged, helical axis for revolution connection in mixing drum 1 13 are made of shaft 131 and helical blade 132；The top of mixing drum 1 is provided with the driving device 2 for driving helical axis 13 to rotate, Driving device 2 includes the driving motor 21 that output end is arranged straight down, and the drive sprocket of 21 output end of driving motor is arranged in 22, the driven sprocket 23 of 13 upper end of helical axis is set and acts on drive sprocket 22, the transmission chain 24 on driven sprocket 23.

Start driving motor 21 and drive drive sprocket 22, is driven by transmission chain 24, starts turning driven sprocket 23, from And two helical axis 13 are rotated synchronously, the concrete in mixing drum 1 is stirred.

Multiple thumb wheels 14 are evenly arranged on the helical blade 132 of helical axis 13, thumb wheel 14 includes rotation axis and distribution Blade on the rotating shaft, wherein the axis of 13 shaft 131 of axis with helical axis of rotation axis is parallel, and the both ends of rotation axis point It Hui Zhuan not be connected on adjacent helical blade 132；When helical axis 13 rotates, concrete is attached to the helical blade of helical axis 13 132 are stirred, and concrete will drive the rotation of thumb wheel 14 again simultaneously, carry out local stirring, thus the further mixing of concrete Degree improves stirring efficiency.

Being horizontally disposed in mixing drum 1 has bottom plate 15, and the lower end revolving support of helical axis 13 is on bottom plate 15, in bottom plate 15 Portion is provided through the mouth 151 excessively for concrete circulation, offers the accommodating cavity 152 being connected to mouth 151 excessively, accommodating in bottom plate 15 The closing means 3 for opening or closing mouth 151 excessively are provided in chamber 152, closing means 3 include being distributed in 151 two sides of mouth Baffle 31 drives dynamical element 33 of the baffle 31 simultaneously close to or far from the transmission component 32 and offer power of crossing mouth 151；It is dynamic Power element 33 is chosen as motor.

Transmission component 32 includes in accommodating cavity 152, positioned at the positive and negative tooth lead screw 321 for crossing 151 side of mouth, positive and negative tooth lead screw 321 one end are fixedly connected with the output end of dynamical element 33, and the other end and the revolution of accommodating cavity 152 connect, on positive and negative tooth lead screw 321 Revolution is connected with symmetrically arranged support end seat 322, and two support end seats 322 are fixed with the baffle 31 for crossing 151 two sides of mouth respectively Connection, baffle 31 one end and the sliding of accommodating cavity 152 far from support end seat 322 connect.

When blender works, first material is poured into the mixing drum 1 above bottom plate 15 from feed inlet 11, then starting is driven Dynamic motor 21, drives helical axis 13 to be stirred, after the completion of stirring, restarts dynamical element 33 and positive and negative tooth lead screw 321 is driven to do Rotary motion was opened mouth 151, was stirred so that the baffle 31 in support end seat 322 makees mutually separate linear motion simultaneously Concrete passed through mouth 151 from discharge port 12 be discharged；When needing to stop discharge, gear is driven by positive and negative tooth lead screw 321 again Plate 31 makees mutually close linear motion simultaneously, and the two abuts to realize the sealing of mouth 151；Two block baffles 31 are made close simultaneously Or separate linear motion, made mouth 151 opens or closes process more rapidly, to make the discharging process of blender more rapidly It is smooth.

In order to which the concrete in mixing drum 1 is discharged as far as possible, scraped being equipped on the screw rod of two helical axis 13 respectively Plate 16, the scraper plate 16 on two helical axis 13 is non-interference, and scraper plate 16 is bonded with the upper surface of bottom plate 15, and helical axis 13 rotates When, scraper plate 16 pushes the concrete on bottom plate 15, accelerates to play the role of while concrete discharge clean.

It is provided with impeller conveying device 4 at the discharge port 12 of mixing drum 1, as shown in figure 3, impeller conveying device 4 includes The shell 41 for the tubular open at one end being laterally arranged, the upper and lower ends of shell 41 are connected to outside respectively, the upper end of shell 41 It is connect with the discharge port 12 of mixing drum 1 by ring flange.

In the opening side of shell 41, it is provided with the discoid lid 42 of closure of openings.42 one end of lid and shell 41 siding is hinged, and one end of the opposite hinged place of lid 42 is the free end of lid 42.

It is outside to the diameter of shell 41 respectively with respect to the position of 42 free end of lid in the free end of lid 42 and shell 41 Side direction stretches out opposite engaging lug 45, and opposite engaging lug 45 is fixedly linked with shell 41 and lid 42 respectively.Opposite The opposite surface of engaging lug 45, offer opposite through-hole 451, bolt and nut component 46 be equipped in through-hole 451, is passed through Bolt and nut component 46 closes lid 42 by the open end of shell 41 so that the free end of lid 42 be fixed.It is covering The outer surface of body 42, the position close to 42 free end of lid are fixedly connected with handle 421.

In the inside of shell 41, it is provided with the agitator arm 43 being laterally arranged, agitator arm 43 includes transmission shaft 431, is passed Moving axis 431 is located on the central axes of shell 41.On the side surface of transmission shaft 431, circumferencial direction is uniformly provided with four axis To elongated slot 4311, slot 4311 be T-slot.Shift plate 432 is plugged in slot 4311, shift plate 432 is inserted into slotting One end of slot 4311 is provided with the boss 4321 stretched out to 432 liang of side external surface directions of shift plate, 432 one of boss 4321 and shift plate It forms and the shape of boss 4321 and the shape of slot 4311 matches.The one end of shift plate 432 far from rotation axis and shell 41 Interior surface is inconsistent.

In the outside of the closed end of shell 41, it is provided with power motor 44, power motor 44 is fixed on shell 41 and moves The end wall that the output shaft of force motor 44 passes through 41 closed end of shell is fixedly linked with transmission shaft 431.

Blender opens power motor 44 in discharging process, makes it that agitator arm 43 be driven to rotate, thus will be from bottom plate 15 cross the concrete that mouth 151 is discharged is transported to outside according to quantity, prevents the concrete being stirred to be deposited at discharge port 12, also avoids Concrete discharge velocity is scattered in very much periphery fastly, influences environmental sanitation, also causes unnecessary waste；The velocity of discharge of concrete It is controlled by the velocity of rotation of agitator arm 43.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of concrete mixer, including mixing drum (1), the upper end of mixing drum (1) offer feed inlet (11), lower end is opened up Have discharge port (12), revolution connection is there are two the helical axis (13) being vertically arranged in mixing drum (1), and helical axis (13) is by shaft (131) it is constituted with helical blade (132)；The driving device for driving helical axis (13) to rotate is provided with above mixing drum (1) (2), it is characterised in that：Being horizontally disposed in the mixing drum (1) has bottom plate (15), and the lower end revolving support of helical axis (13) is the bottom of at It on plate (15), was provided through in the middle part of bottom plate (15) mouth (151), and offered in bottom plate (15) and be connected to mistake mouth (151) Accommodating cavity (152) is provided with the closing means (3) that will be crossed mouth (151) and open or close, the closing machine in accommodating cavity (152) Structure (3) includes the baffle (31) for being distributed in mouth (151) two sides, drives baffle (31) simultaneously close to or far from mouth (151) excessively The dynamical element (33) of transmission component (32) and offer power.

2. concrete mixer according to claim 1, it is characterised in that：The transmission component (32) includes accommodating cavity (152) in, it was located at the positive and negative tooth lead screw (321) of mouth (151) side, positive and negative tooth lead screw (321) one end and dynamical element (33) Output end be fixedly connected, the other end and accommodating cavity (152) revolution connect；Positive and negative tooth lead screw (321) upper rotary is connected with symmetrically The support end seat (322) of setting, two supports end seat (322) are fixedly connected with the baffle (31) for crossing mouth (151) two sides respectively, keep off Plate (31) one end and accommodating cavity (152) sliding far from support end seat (322) connect.

3. concrete mixer according to claim 2, it is characterised in that：The dynamical element (33) is selected as motor.

4. concrete mixer according to claim 1, it is characterised in that：The driving device (2) includes that output end is perpendicular The drive sprocket (22) in driving motor (21) output end is arranged in the driving motor (21) being directly arranged, and is arranged in helical axis (13) The driven sprocket (23) of upper end and act on drive sprocket (22), the transmission chain (24) on driven sprocket (23).

5. concrete mixer according to claim 1, it is characterised in that：The helical blade (132) is provided with thumb wheel (14), the thumb wheel (14) includes the blade of rotation axis and distribution on the rotating shaft, the axis and helical axis of the rotation axis (13) axis of shaft (131) is parallel, and the both ends of rotation axis are turned round be connected on adjacent helical blade (132) respectively.

6. concrete mixer according to claim 5, it is characterised in that：The thumb wheel (14) is along helical blade (132) The hand of spiral be uniformly arranged it is multiple.

7. concrete mixer according to claim 1, it is characterised in that：Scraper plate is provided on the helical axis (13) (16), the scraper plate (16) againsts the upper surface of bottom plate (15).

8. concrete mixer according to claim 1, it is characterised in that：The material of the closing means (3) is selected as not Become rusty steel.