CN207825213U - A kind of vertical shaft forced action type oscillating mixer - Google Patents

Abstract

The utility model provides a kind of vertical shaft forced action type oscillating mixer, including mixing cylinder, this, which is mixed, is provided with rabbling mechanism and vibrating mechanism in cylinder, the vibrating mechanism includes power unit, gear unit and exciting housing unit, and gear unit can drive exciting housing unit dilatation under the action of power unit.In such a way that action of forced stirring and reciprocating vibration are combined, it is not only able to the whipping process of reinforcing concrete, moreover it is possible to improve mixing quality and efficiency；A center is being mixed in vibrating mechanism setting, can be eliminated the inefficient area of stirring, be reduced the internal friction and cohesive strength of material pieces, is reduced rabbling mechanism rotation and is needed the working resistance overcome, to lower power of agitator consumption and blade wear.Exciting housing unit realizes that the vibration of material, transmission efficiency do not need damping, do not influenced by concrete materials by the way of dilatation, vibration frequency and amplitude stability.

Description

A kind of vertical shaft forced action type oscillating mixer

Technical field

The utility model belongs to concrete mixer technical field, is related to a kind of vertical shaft forced action type oscillating mixer.

Background technology

Blender is the required equipment for producing concrete, and function is that the materials such as the cement, aggregate and water prepared are mixed The mixture uniformly to conform to quality requirements.With greatly developing for national basis construction, concrete mixer has obtained quickly Development, and with the continuous improvement that construction quality and operating efficiency require, to indexs such as mixing uniformity, the productivities of machine Also it is increasingly stringenter.Forced mixer uses extensive since stirring action is strong in China.Vertical shaft type blender is as a kind of Typical forced mixer, the stirring blade that rabbling mechanism is mixed cylinder and vertically disposed agitating shaft by cylindrical shape and installed thereon Composition is acted on by the action of forced stirring such as sheared, squeezed, rolled and dished out to material of the blade by rotation, material is made to exist It is uniformly mixed in violent relative motion.Due to the inherent shortcoming of structure, existing vertical shaft type blender mixes barrel dliameter height Than big, mixing speed is low, and agitating shaft, nearby there is the inefficient area of stirring, these problems have seriously affected the life of concrete Yield and quality and efficiency.Vibratory Mixing prepares a kind of new technology of industry as current concrete both at home and abroad, by whipping process Middle additional mechanical is vibrated to accelerate the diffusion motion of mixture component, destroys the cement group formed when stirring, promotes cement granules Be uniformly distributed improves each of concrete material with abundant aquation to make mixture all reach uniform on both macro and micro Item performance.Existing oscillating mixer mostly uses built-in inertia vibration generator.Vibrator is mixed mounted on blender inside cylinder, Exciting force is generated by the eccentric mass high speed rotation being supported on bearing.Since the viscous force between concrete component is big, vibration Decay when propagation fast, therefore it is required that vibrator generates prodigious vibration acceleration to obtain good Vibratory Mixing effect.So Big vibration acceleration needs the rotary speed height of eccentric mass and eccentricity is big, this not only causes the dynamic load of rotating mechanism notable Increase, reduces spring bearing service life, and excessive vibration can also be to its of blender itself and entire mixing plant Its assembly and parts generate harmful effect, reduce the measuring accuracy of raw material, destroy the stability and reliability of machine operation.

Invention content

For the deficiencies in the prior art, the purpose of the utility model is to provide a kind of vibrations of vertical shaft forced action type Blender realizes that the vibration of material, transmission efficiency do not need damping, not by coagulation by the way of dilatation The influence of local product material, vibration frequency and amplitude stability.

To achieve the above object, the utility model adopts the following technical solution：

A kind of vertical shaft forced action type oscillating mixer, including cylinder is mixed, this is mixed and is provided with rabbling mechanism and vibrating mechanism in cylinder, institute It includes power unit, gear unit and exciting housing unit to state vibrating mechanism, and gear unit can be under the action of power unit Drive exciting housing unit dilatation.

Optionally, the exciting housing unit includes with undulatory upper body and with undulatory lower case Body, the end connection of the two.

Optionally, the upper body and lower case are pyramidal structure, the bottom surface company of upper body and lower case It connects.

Optionally, mounting plate is provided between the upper body and lower case, upper body can be in gear unit Drive under occur dilatation and the mounting plate to be driven to make lower case dilatation together.

Optionally, the gear unit includes vibration rod, eccentric ratio and turntable, described in one end connection of vibration rod The top of upper body, the other end of vibration rod and one end of eccentric ratio are hinged, and the other end and the turntable of eccentric ratio are cut with scissors It connects, turntable can rotate under the drive of power unit.

Optionally, the gear unit includes vibration rod, eccentric ratio and turntable, described in one end connection of vibration rod The top of upper body, the other end of vibration rod sequentially pass through behind the top of the mounting plate and the lower case with bias One end of connecting rod is hinged, and the other end of eccentric ratio is hinged with turntable, and turntable can rotate under the drive of power unit.

Optionally, the upper body is internally provided with ram, and bullet is provided between the ram and the mounting plate Property part, ram can hit the mounting plate under the drive of upper body；The elastic component is used to carry for the movement of ram For cushion effect.

Optionally, the ram is internally provided with cavity, and the elastic component is mounted in the cavity, the elastic component Both ends are separately connected the ram and the mounting plate.

Optionally, multiple shock auxiliary members are distributed on the side wall of the ram, which has triangular pyramid Structure, the end face of the bottom surface of the shock auxiliary member and the bottom end of the ram.

Optionally, buffer gasket is provided on the mounting plate, the multiple shock auxiliary member is arranged in the buffer gasket Top.

Compared with prior art, the utility model has the following technical effects：It mixes and places the coagulation local product to be mixed in cylinder Material, action of forced stirring is carried out using rabbling mechanism to material, is carried out reciprocating vibration to material using vibrating mechanism, is stirred using pressure The mode that reciprocating vibration is combined is mixed and stirred, is not only able to the whipping process of reinforcing concrete, moreover it is possible to improve mixing quality and effect Rate；A center is being mixed in vibrating mechanism setting, can be eliminated the inefficient area of stirring, be reduced the internal friction and adhesive aggregation of material pieces Power reduces rabbling mechanism rotation and needs the working resistance overcome, to lower power of agitator consumption and blade wear.Exciting shell Unit realizes that the vibration of material, transmission efficiency do not need damping by the way of dilatation, not by the coagulation local product The influence of material, vibration frequency and amplitude stability.

The particular content of the utility model is described in more detail below in conjunction with drawings and examples.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the structural schematic diagram of vibrating mechanism；

Fig. 3 is schematic diagram of the utility model vibrator housing unit in maximum elongation and maximum compression；

Reference sign：1 mixes cylinder；11 feed inlets；2 rabbling mechanisms；21 agitating shafts；22 mixing arms；23 stirring blades；24 Stirring motor；3 vibrating mechanisms；31 power units；32 gear units；321 vibration rods；322 eccentric ratios；323 turntables；33 swash Shake housing unit；331 upper bodies；332 lower cases；333 mounting plates；34 rams；35 elastic components；36 hit auxiliary member； 37 buffer gaskets；38 mounting rings；4 supporting tables；5 discharge ports, 6 mounting holes.

Specific implementation mode

The utility model provides a kind of vertical shaft forced action type oscillating mixer, referring to Fig. 1, including mixes cylinder 1, is arranged on cylinder 1 There is feed inlet 11, this is mixed and is provided with rabbling mechanism 2 and vibrating mechanism 3 in cylinder 1, and the vibrating mechanism 3 includes power unit 31, passes Moving cell 32 and exciting housing unit 33, gear unit 32 can drive exciting housing unit 33 under the action of power unit 31 Dilatation.Concrete materials to be mixed are placed in cylinder 1 through the above technical solutions, mixing, using rabbling mechanism to material into Row action of forced stirring is carried out reciprocating vibration to material using vibrating mechanism 3, is combined using action of forced stirring and reciprocating vibration Mode is not only able to the whipping process of reinforcing concrete, moreover it is possible to improve mixing quality and efficiency.Vibrating mechanism in the present embodiment 3 are arranged in the center for mixing cylinder 1, can eliminate the inefficient area of stirring, reduce the internal friction and cohesive strength of storeroom, reduce The rotation of rabbling mechanism 2 needs the working resistance overcome, to lower power of agitator consumption and blade wear.In addition, the present embodiment In exciting housing unit 33 realize that the vibration of material, transmission efficiency do not need damping machine by the way of dilatation Structure is not influenced by concrete materials, vibration frequency and amplitude stability.

In the above-described embodiments, rabbling mechanism 2 includes being arranged in the agitating shaft 21 for mixing the center of cylinder 1, the agitating shaft 21 connect multiple stirring blades 23 by mixing arm 22, to ensure that the mixing effect of short transverse, stirring blade 23 effectively stir The 2/3 of 33 overall height H of exciting housing unit should be not less than by mixing height；Agitating shaft 11 drives more under the drive of stirring motor 24 A stirring blade 13 realizes the action of forced stirring to mixed mud material.Supporting table 4 is additionally provided in cylinder 1 in addition, mixing, the supporting table 4 Upper installation vibrating mechanism 3 is provided with discharge port 5 in supporting table 4.In the present embodiment, power unit 31 uses vibrating motor.Tool Body, stirring motor 24 connects first stage decelerator, and first stage decelerator connects pinion gear, and pinion gear is engaged with gear wheel, gear wheel Connect agitating shaft 21.

Specifically, in another embodiment, exciting housing unit 33 includes with undulatory upper body 331 and having Undulatory lower case 332, the end connection of the two.What upper body 331 and lower case 332 in the present embodiment used Material hardness is relatively low so that upper body 331 and lower case 332 can be in ripples after the driving force of driven unit 32 Place folds, to realize the dilatation of the two.

Further, in another embodiment, upper body 331 and lower case 332 are pyramidal structure, upper body 331 connect with the bottom surface of lower case 332.In the present embodiment, upper body 331 and lower case 332 are set to taper Structure so that the effective area of vibration increases, wider to the sphere of action for mixing material in cylinder 1 so that the vibration effect that material obtains Fruit is more preferable.It using the design of pyramidal structure, has also fully considered that the two overcomes the problems, such as material resistance in dilatation, has used Pyramidal structure can effectively reduce the resistance of motion process, to improve vibration efficiency.And in the present embodiment, upper body 331 height is more than the height of lower case 332 so that overall structure is more stablized, and is easy to carry out integrally-built bottom It is fixed.Further, in the present embodiment, upper body 331 is identical with the maximum gauge of lower case 332, upper body 331 It is transverse wave with the ripple in lower case 332.Further, the maximum cone diameter D of exciting housing unit 33₁With mix cylinder Diameter D₂Ratio be 1:4~1:6.This ratio directly affects the quality and efficiency of Vibratory Mixing.Ratio is too small, exciting The surface area of housing unit 33 is small, and the sphere of action of vibration is small, can not apply abundant effect of vibration, drop to mixing mixture in cylinder 1 The effect of low vibration stirring；Ratio is excessive, and the geometric dimension of exciting housing unit 33 is big, and the effective stirring space mixed in cylinder 1 subtracts It is small, it is unfavorable for mixture and is mixing large-scale shuttling movement in cylinder 1, influences mixing quality and efficiency.

Further, in another embodiment, mounting plate 333 is provided between upper body 331 and lower case 332, Dilatation can occur under the drive of gear unit 32 and drive the mounting plate 333 together so that lower part for upper body 331 332 dilatation of shell.In this implementation, mounting plate 333 is set, which is circular configuration, and purpose is arranged for ease of inciting somebody to action Upper body 331 and lower case 332 are connected, and ensure the whole stability of exciting housing unit 33, avoid exciting shell Body unit 33 topples over problem during dilatation, by the reaction force of material.

Specifically, in another embodiment, referring to Fig. 2, gear unit 32 includes vibration rod 321,322 and of eccentric ratio Turntable 323, the top of one end connection upper body 331 of vibration rod 321, the other end and eccentric ratio of vibration rod 321 322 one end is hinged, and the other end and turntable 323 of eccentric ratio 322 are hinged, and the end of eccentric ratio 322 is with eccentric distance e It is hinged on the outside of turntable 323；Turntable 323 can rotate under the drive of power unit 31.Gear unit in the present embodiment 32 specific work process is as follows：When turntable 323 rotates forward, eccentric ratio 322 is driven to rotate, eccentric ratio 322 drives Vibration rod 321 is vertically moving, to drive upper body 331 to shrink, when upper body 331 is retracted to utmostly Afterwards, lower case 332 is compressed so that lower case 332 is shunk；When turntable 323 rotates backward, with the above process on the contrary, with This realizes the dilatation of exciting housing unit 33, to generate vibration to material.

Specifically, in another embodiment, gear unit 32 includes vibration rod 321, eccentric ratio 322 and turntable 323, The top of one end connection upper body 331 of vibration rod 321, the other end of vibration rod 331 sequentially pass through on mounting plate 333 Mounting hole 6 and lower case 332 top after it is hinged with one end of eccentric ratio 322, the other end of eccentric ratio 322 with turn Disk 323 is hinged, and the end of eccentric ratio 322 is hinged on the outside of turntable 323 with eccentric amount e；Turntable 323 can be in power list It is rotated under the drive of member 31.The specific work process of gear unit 32 in the present embodiment is as follows：When turntable 323 rotates forward When, drive eccentric ratio 322 to rotate, eccentric ratio 322 drives vibration rod 321 vertically moving, to drive top Shell 331 is shunk, and after upper body 331 is retracted to utmostly, is driven mounting plate 333 to compress lower case 332 together, is made Lower case 332 is obtained to shrink；When turntable 323 rotates backward, with the above process on the contrary, realizing exciting housing unit 33 with this Dilatation, to generate vibration to material.3 transmission efficiency of vibrating mechanism of the present embodiment, does not need any damper mechanism, Work is not also influenced by concrete mixture, vibration frequency and amplitude stability；And do not have in the parts of reciprocating Spring bearing eliminates the weak link of vibrating mechanism 3, improves the stability and reliability of machine operation, and without spy Other lubrication and heat dissipation, working service are simple.In addition, by changing eccentric distance and adjusting of the eccentric ratio on turntable 323 The rotating speed of turntable 323 can also change the amplitude versus frequency characte of vibration, and stirring for different materials is adapted to reach different vibrating effects Mix requirement.

In the above-described embodiments, vibrating motor is mounted on the lower section of supporting table 4, and stirring motor 14, which is mounted on, mixes 1 top of cylinder, Avoid the harmful effect that vibration is driven rabbling mechanism 2；Existing oscillating mixer is to pacify the power transmission of vibrating mechanism 3 In power transmission loaded on rabbling mechanism 2, when being vibrated to vibrating mechanism 3, it is easy to cause the power and driver of rabbling mechanism 2 Structure is not only influenced transmission efficiency, and reduce the service life by additional effect of vibration.

In the above-described embodiments, further, the maximum cone diameter D of exciting housing unit 33₁With 321 edge of vibration rod The ratio of overall height H when the midstroke of vertical direction movement is 1:1.5~1:3, to take into account vibration in radial direction and height side To effect, improve and mix the stirring poor efficiency area of 1 centre of gyration of cylinder, ensure the mixture for mixing different location in cylinder 1 all by foot Enough vibrating effects.Ratio is small, and 33 diameter dimension of exciting housing unit is small and height dimension is big so that diametric vibration is made It is small with range, while also can not thoroughly eliminate the stirring poor efficiency area for mixing 1 centre of gyration of cylinder；Ratio is big, exciting housing unit 33 Diameter dimension is big and height dimension is small, can not efficiently use the height that feeds intake of blender, and the then productivity that causes to feed intake less is low, feeds intake At most Vibratory Mixing effect is poor.The vertically moving midstroke of vibration rod 321, refers in vibration rod 321 Heart position is located on mounting plate.Vibration rod 321 it is vertically moving to midstroke when, the height H of upper body 331₁ With the height H of lower case 332₂Ratio be 1.5:1~3:1.This is because 331 surface energy of upper body generates upward shake Action is used, and the dispersion and movement of mixture are conducive to, and avoids mixture caused by vibrating downwards close in the deposition for mixing 1 bottom of cylinder It is real；332 size of lower case appropriate, it can be ensured that entire exciting agency 3 with mix 1 bottom of cylinder be reliably connected and stable structure, To which under the mixture active force of stirring, exciting agency 3 can normally work.Therefore, this ratio range can protected Under conditions of demonstrate,proving the stabilization of entire exciting agency 3, the effect of Vibratory Mixing is given full play to, mixture is reduced and is mixing the heavy of 1 bottom of cylinder Product is closely knit, to improve mixing quality and efficiency.

Further, in the present embodiment, the rotating speed of turntable 323 is in 1800r/min~3600r/min (frequency 30Hz ~60Hz), to ensure that the particle of concrete material component obtains good resonance effect.Further, turntable 323 connects with eccentric Eccentric distance e between bar 322 should be greater than 2.2mm, to meet the minimum vibration acceleration 8g (g needed for normal concrete vibration For acceleration of gravity) requirement.In the present embodiment, referring to Fig. 3, the amplitude of vibrating mechanism 3 is E, and the rotation of eccentric ratio 322 is transported Turn turns in the straight-line oscillation reciprocating motion of vibration rod 321, and the stroke of vibration rod 321 is 2E.

Further, in another embodiment, upper body 331 is internally provided with ram 34, the ram 34 and institute It states and is provided with elastic component 35 between mounting plate 333, ram 34 can hit the mounting plate under the drive of upper body 331 333；The elastic component 35 is used to provide cushion effect for the movement of ram 34.In the present embodiment, it is contemplated that upper body 331 The rigidity of material is relatively low, and it is unstable and to the hypodynamic problem of the shock of mounting plate 333 to be easy to cause upper body 331, Upper body 331 is internally provided with ram 34, on the one hand plays a supporting role to upper body 331, on the other hand enhancing pair The impact force of mounting plate 333.Optionally, which uses cylindrical structure or cube structure；The bottom of the ram 34 Face is not contacted with mounting plate 333, and the outer wall of ram 34 is connect with upper body 331.In order to avoid ram 34 is to mounting plate 333 generate destruction, and elastic component 35 is installed between ram 34 and mounting plate 333, optionally, the elastic component 35 using spring or Person's rubber parts.

Further, in another embodiment, ram 34 is internally provided with cavity, and elastic component 35 is mounted on the cavity Interior, the both ends of elastic component 35 are separately connected ram 34 and mounting plate 333.In the present embodiment, elastic component 35 uses spring, hits It hits 34 internal cavities of part and plays the role of limit to spring, cavity connection plate 333 is stretched out in the bottom end of spring.

Further, in another embodiment, multiple shock auxiliary members 36, the shock are distributed on the side wall of ram 34 Auxiliary member 36 has trigone wimble structure, the end face of the bottom surface of the shock auxiliary member 36 and the bottom end of the ram 34.For So that ram 34 evenly spreads on mounting plate 333 impact force of mounting plate 333, it is uniformly distributed on the side wall of ram 34 Multiple shock auxiliary members 36 so that ram 34 and the contact area of mounting plate 333 increase, the case where ensureing enough impact forces Under avoid damaging mounting plate 333, increase its service life.

Further, in another embodiment, buffer gasket 37, the multiple shock auxiliary are provided on mounting plate 333 Part 36 is arranged in the top of the buffer gasket 37.In order to further avoid mounting plate 333 from being destroyed, set on mounting plate 333 Buffer gasket 37 is set, which uses rubber washer, multiple shock auxiliary members 36 to be in direct contact with rubber washer 37, point Impact force is dissipated, mounting plate 333 is protected.Further, in the present embodiment, mounting ring 38, buffer gasket are set on mounting plate 333 37 are sleeved on the outside of mounting ring, and the end of the spring is also set in the mounting ring 38, and mounting ring 38 plays fixed buffering The effect of washer 37 and spring.

Claims (10)

1. a kind of vertical shaft forced action type oscillating mixer, including cylinder (1) is mixed, this, which is mixed, is provided with rabbling mechanism (2) and vibration in cylinder (1) Mechanism (3), which is characterized in that the vibrating mechanism (3) includes power unit (31), gear unit (32) and exciting housing unit (33), gear unit (32) can drive exciting housing unit (33) dilatation under the action of power unit (31).

2. vertical shaft forced action type oscillating mixer as described in claim 1, which is characterized in that exciting housing unit (33) packet It includes with undulatory upper body (331) and with undulatory lower case (332), the end of the two connects.

3. vertical shaft forced action type oscillating mixer as claimed in claim 2, which is characterized in that the upper body (331) and under Portion's shell (332) is pyramidal structure, and upper body (331) is connected with the bottom surface of lower case (332).

4. vertical shaft forced action type oscillating mixer as claimed in claim 3, which is characterized in that the upper body (331) and under Mounting plate (333) is provided between portion's shell (332), upper body (331) can occur under the drive of gear unit (32) Dilatation simultaneously drives the mounting plate (333) together so that lower case (332) dilatation.

5. vertical shaft forced action type oscillating mixer as claimed in claim 4, which is characterized in that the gear unit (32) includes shaking One end of dynamic connecting rod (321), eccentric ratio (322) and turntable (323), vibration rod (321) connects the upper body (331) Top, the other end of vibration rod (321) and one end of eccentric ratio (322) are hinged, the other end of eccentric ratio (322) with Turntable (323) is hinged, and turntable (323) can rotate under the drive of power unit (31).

6. vertical shaft forced action type oscillating mixer as claimed in claim 5, which is characterized in that the gear unit (32) includes shaking One end of dynamic connecting rod (321), eccentric ratio (322) and turntable (323), vibration rod (321) connects the upper body (331) Top, the other end of vibration rod (321) sequentially passes through the top of the mounting plate (333) and the lower case (332) Hinged with one end of eccentric ratio (322) afterwards, the other end and turntable (323) of eccentric ratio (322) are hinged, turntable (323) energy It is enough to be rotated under the drive of power unit (31).

7. vertical shaft forced action type oscillating mixer as claimed in claim 4, which is characterized in that the upper body (331) is internal It is provided with ram (34), elastic component (35), ram (34) are provided between the ram (34) and the mounting plate (333) The mounting plate (333) can be hit under the drive of upper body (331)；The elastic component (35) is used for as ram (34) Movement provides cushion effect.

8. vertical shaft forced action type oscillating mixer as claimed in claim 7, which is characterized in that setting inside the ram (34) There are cavity, the elastic component (35) to be mounted in the cavity, the both ends of the elastic component (35) are separately connected the ram (34) and the mounting plate (333).

9. vertical shaft forced action type oscillating mixer as claimed in claim 7, which is characterized in that on the side wall of the ram (34) Multiple shock auxiliary members (36) are distributed with, which has trigone wimble structure, the bottom of the shock auxiliary member (36) The end face in face and the bottom end of the ram (34).

10. vertical shaft forced action type oscillating mixer as claimed in claim 9, which is characterized in that be arranged on the mounting plate (333) There are buffer gasket (37), the multiple shock auxiliary member (36) to be arranged in the top of the buffer gasket (37).