CN108000717B

CN108000717B - Coagulation stirring equipment

Info

Publication number: CN108000717B
Application number: CN201711171862.0A
Authority: CN
Inventors: 陈波霖
Original assignee: Hainan Shenli Concrete Co Ltd
Current assignee: Hainan Shenli Concrete Co., Ltd
Priority date: 2017-11-22
Filing date: 2017-11-22
Publication date: 2020-01-24
Anticipated expiration: 2037-11-22
Also published as: CN108000717A

Abstract

The invention discloses a coagulation stirring device, which comprises a rack, a shell arranged on the rack, a stirring shaft rotatably arranged on the shell, a spiral stirring paddle arranged on the stirring shaft and a driving component for driving the shell to rotate, wherein the shell is arranged on the rack; an aeration part and a gas supply part for supplying gas to the aeration part are arranged on the stirring shaft, and a leakage-proof sealing structure is arranged between the gas supply part and the stirring shaft; the driving part comprises a motor, a gear in transmission connection with the motor through a transmission structure and a gear ring fixedly arranged on the outer surface of the shell. According to the invention, through the arrangement of the aeration component, the stirring shaft can spray air outwards in the stirring process, so that materials which are agglomerated in the stirring process can be scattered, the materials are mixed more uniformly, the agglomeration is avoided, and the finally prepared concrete is high in quality and high in material mixing uniformity.

Description

Coagulation stirring equipment

Technical Field

The invention belongs to the technical field of concrete manufacturing, and particularly relates to a concrete mixing device.

Background

The gravity-fall concrete mixer is also called as a free-fall mixer, wherein a mixing drum rotates at a proper speed, materials continuously rotate and are mixed in a mixing drum internally and fixedly provided with mixing blades, the blades continuously lift the materials to a certain height, and then the materials leave the blades under the action of self weight and freely fall down, so that the materials are repeatedly mixed, and the mixing uniformity of the materials is ensured.

But under this kind of mode, relatively poor to the stirring effect of material, when the great concrete of viscidity is stirred in needs, the caking often can appear to the material, influences the result of use in concrete later stage. And the energy consumption of the equipment is high, the energy conservation and the environmental protection cannot be realized, the failure rate is high, and the service life is short.

Disclosure of Invention

The invention provides coagulation stirring equipment with good stirring effect and low failure rate in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a coagulation stirring device comprises a frame, a shell arranged on the frame, a stirring shaft rotatably arranged on the shell, a spiral stirring paddle arranged on the stirring shaft and a driving component for driving the shell to rotate; the frame is provided with a power-assisted part which is matched with the shell and is used for reducing the friction force applied to the shell in the rotating process; an aeration part and a gas supply part for supplying gas to the aeration part are arranged on the stirring shaft, and a leakage-proof sealing structure is arranged between the gas supply part and the stirring shaft; the driving part comprises a motor, a gear in transmission connection with the motor through a transmission structure and a gear ring fixedly arranged on the outer surface of the shell. According to the invention, through the arrangement of the aeration component, the stirring shaft can spray air outwards in the stirring process, so that materials which are agglomerated in the stirring process can be scattered, the materials are mixed more uniformly, the agglomeration is avoided, and the finally prepared concrete is high in quality and high in material mixing uniformity; the auxiliary component is arranged, so that the shell can roll more smoothly, the power of the driving component for driving the shell can be reduced, the energy consumption of the driving component is reduced, and energy conservation and environmental protection are realized; the motor drives the shell to rotate by matching the gear with the gear ring, the motor can realize effective driving without setting large power, the energy consumption is low, and more energy is saved; and the cooperation between gear and the ring gear is stable, the condition of skidding can not appear, even when the material in the casing is more, the motor also can be good drive casing rotate, and the fault rate is low.

Furthermore, the transmission structure comprises a rotating wheel connected with the output shaft of the motor and a belt pulley rotationally connected with the rotating wheel, and the gear and the belt pulley are coaxially arranged; through the setting of belt pulley, reached the effect of speed reduction to gear drive casing rotates more easily, has further reduced the fault rate of equipment.

Furthermore, the belt pulley is in transmission connection with the rotating wheel through a belt, and the gear is meshed with the gear ring.

Furthermore, the aeration component comprises a first aeration channel arranged on the stirring shaft, a second aeration channel arranged in the stirring paddle and a plurality of aeration holes arranged on the outer surface of the interval stirring paddle; gas enters into (mixing) shaft and stirring rake through aeration channel in, and the outside blowout of rethread aeration hole because the aperture in hole generally sets up less to gaseous jet power when outside blowout is generally great, changes the material of caking and breaks up, realizes good stirring effect.

Furthermore, the gas inlet component comprises a connecting cavity which is arranged on the stirring shaft and communicated with the first aeration channel, a connecting seat matched with the connecting cavity, a gas inlet pipe fitting fixedly arranged in the connecting seat and a gas generator connected with the gas inlet pipe fitting; the connecting seat is in rotatable fit with the connecting cavity; the connecting seat is in rotatable fit with the connecting cavity, so that the connecting seat cannot be influenced by the rotation of the shell and the stirring shaft, the air inlet pipe fitting cannot be wound along with the rotation of the stirring shaft, and the fault is not easy to occur; and through dividing the part that admits air into connecting seat and inlet pipe spare, guarantee that wearing and tearing only take place between connecting seat and (mixing) shaft, when the connecting seat wearing and tearing, can change the connecting seat alone, need not to change whole part that admits air, the holistic long service life of equipment, cost of maintenance is low.

Furthermore, the leakage-proof sealing structure comprises a sealing layer arranged in the connecting cavity, an insertion part arranged on the connecting seat and in insertion fit with the connecting cavity, and a sealing element arranged on the insertion part; through the cooperation of sealing layer and sealing member, realize the connecting seat and connect the good sealed between the chamber to even the long-term condition that also is difficult for appearing leaking between the two of using, the long service life of equipment.

Furthermore, the sealing element is a plurality of circles of convex ribs which are arranged on the outer surface of the insertion part at intervals; the contact area between the sealing layer and the convex rib is reduced through the arrangement of the convex rib, so that the pressure intensity between the sealing layer and the convex rib is enhanced, the sealing fit between the sealing layer and the convex rib is more tight, and the sealing effect is good; and set up to many protruding muscle, after one of them protruding muscle lost sealed effect because of wearing and tearing, the protruding muscle of other positions still can continue to realize sealed to the life of equipment has been prolonged.

Furthermore, the sealing element comprises an annular groove arranged on the insertion part, a flexible layer arranged in the annular groove and a sleeve movably arranged in the annular groove; the inner side and the outer side of the external member are respectively matched with the flexible layer and the sealing layer to realize sealing, so that double sealing is realized, and the sealing effect is good; and the external member can rotate relative to the annular groove, so that the external member, the flexible layer and the sealing layer are in running fit, the friction force among the external member, the flexible layer and the sealing layer is smaller than that of the traditional sealing mode, the abrasion is smaller, the leakage is not easy to occur even after the external member is used for a long time, and the service life is long.

Furthermore, a sealing structure matched with the air inlet pipe fitting is arranged on the insertion part, and the sealing component comprises a cage part arranged on the insertion part and a plurality of rubber pieces arranged in the cage part; the cage part is formed by local outward expansion of the insertion part, and when external extrusion force is received, the cage part can still be restored to the state that the outer diameter is the same as that of the insertion part, so that when the insertion part is inserted into the connecting cavity, the cage part can be restored to the state that the cage part is not expanded, a rubber part is compressed, good sealing is achieved between the air inlet pipe fitting and the insertion part, and leakage cannot occur even if the air inlet pipe fitting and the insertion part are used for a long time; and the cage part also has outward restoring force, so that the outer surface of the cage part is always in compression fit with the inner wall of the connecting cavity, and the sealing effect is good.

Further, the molding method of the cage part comprises the following steps: a, slotting: a plurality of gaps are uniformly arranged on part of the surface of the insertion part at intervals; b, punch forming: stamping the connecting seat through a press to enable the position, provided with the gap, on the inserting part to expand outwards to form the cage part; the cage part is provided with a plurality of strip-shaped pieces, an open slot is formed between every two adjacent strip-shaped pieces, and the rubber piece is plugged into the cage part through the open slot; the molding mode is adopted for molding, the operation is simple, and the molding efficiency is high; through slotting and punching operation, guarantee cage portion direct forming reachs on grafting portion, easy and simple to handle, and when having guaranteed that later stage grafting portion links to each other with being connected the chamber, good sealed between the two.

Further, the air inlet pipe fitting is a rubber pipe, and a support piece is arranged in the rubber pipe; the rubber pipe enables the air inlet pipe fitting to be tightly attached to the rubber part, and leakage caused by gaps is avoided; the supporting piece is arranged, so that the air inlet pipe fitting can be effectively supported, the condition that the air inlet pipe fitting is not deformed in the insertion part is ensured, and good sealing between the air inlet pipe fitting and the insertion part is further ensured.

Furthermore, the outer surface of the stirring paddle is coated with an elastic layer, and a one-way air outlet is arranged on the elastic layer corresponding to the aeration hole; the elastic layer has certain restoring force to when gaseous outside blowout, one-way gas outlet will be opened, outwards give vent to anger, but when stopping jet-propelled, one-way gas outlet will be automatic closed under the effect of the restoring force of elastic layer, guarantee that the concrete can not get into to the stirring rake in through the gas outlet.

In summary, the invention has the following advantages: the aeration component is arranged, and the stirring shaft can spray air outwards in the stirring process, so that materials which are agglomerated in the stirring process can be scattered, the materials are mixed more uniformly, the agglomeration situation cannot occur, and the finally prepared concrete is high in quality and high in material mixing uniformity; the motor drives the shell to rotate by matching the gear with the gear ring, the power of the motor can be set to be smaller, the energy consumption is low, and the energy conservation is realized; and the cooperation between gear and the ring gear is stable, and the fault rate is low.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial cross-sectional view of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic diagram of the first embodiment at B in fig. 2.

Fig. 5 is a schematic structural view of the connecting socket in the manner of fig. 4.

Fig. 6 is a schematic view of a second embodiment at B in fig. 2.

Fig. 7 is a schematic structural view of the connecting socket in the manner of fig. 6.

Fig. 8 is a schematic view of the housing and the driving member of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-8, a coagulation mixer includes a frame 1, a housing 2 disposed on the frame, a stirring shaft 3 rotatably disposed on the housing, a helical stirring paddle 4 disposed on the stirring shaft, and a driving member 5 for driving the housing to rotate; the driving part 5 comprises a motor 51 fixedly arranged on the frame, a rotating wheel 52 connected with an output shaft of the motor, a belt pulley 53 rotationally connected with the rotating wheel, a gear 54 coaxially arranged with the belt pulley and a gear ring 55 fixedly arranged on the outer surface of the shell; the belt pulley is in transmission connection with the rotating wheel through a belt, and the gear is meshed with the gear ring, so that the gear can drive the shell to rotate when rotating; further, be equipped with in the frame 1 with casing 2 matched with helps moving part 6, should help moving part 6 and locate for the symmetry two sets of gyro wheels 61 in the frame, two sets of gyro wheels include two gyro wheels respectively to 4 gyro wheels will support the casing, and the casing when taking place to rotate, the gyro wheel also can take place to rotate, thereby effectively reduces the frictional force that the casing received at the rotation in-process, makes the rotation of casing more smooth and easy.

The stirring shaft 3 is provided with an aeration component 7 and a gas supply component 8 for supplying gas to the aeration component; specifically, the aeration component 7 comprises a first aeration channel 71, a second aeration channel 72 and a plurality of aeration holes 73, wherein the first aeration channel 71 is arranged on the stirring shaft, and the second aeration channel 72 is arranged in the stirring paddle and communicated with the first aeration channel 71; specifically, the stirring shaft and the stirring paddle are respectively arranged in a hollow manner to form a first aeration channel 71 and a second aeration channel 72; the aeration holes 73 are uniformly arranged on the outer surface of the stirring paddle at intervals, and the aeration holes 73 are communicated with the second aeration channel 72; preferably, the outer surface of the stirring paddle 4 is coated with an elastic layer 41, the elastic layer is made of rubber, and the elastic layer is fixed on the outer surface of the stirring paddle 4 through bonding; furthermore, a plurality of strip-shaped grooves are uniformly distributed on the outer surface of the stirring paddle 4 at intervals, so that more glue can be contained in the grooves during bonding, and the connection between the elastic layer and the stirring paddle 4 is firmer; in order to prevent the materials from entering the stirring paddle through the aeration openings, one-way air outlets 411 are arranged on the elastic layer 41 at positions corresponding to the aeration holes, and specifically, the one-way air outlets 411 are straight gaps arranged on the elastic layer 41 and are obtained by cutting the elastic layer 41 through a cutter.

The gas inlet component 8 comprises a cylindrical connecting cavity 81, a connecting seat 82, a gas inlet pipe fitting 83 and a gas generator, wherein the cylindrical connecting cavity 81 is arranged on the stirring shaft and is communicated with the first aeration channel; the connecting seat 82 is in inserting fit with the connecting cavity, and the connecting seat 82 can rotate relative to the connecting cavity 81; the air inlet pipe 83 is fixedly arranged in the connecting seat, preferably, the air inlet pipe 83 is a rubber pipe made of rubber, a support part 831 is arranged in the rubber pipe, the support part 831 is a hollow pipe body made of metal or plastic, the diameter of the support part 831 is equal to the inner diameter of the air inlet pipe 83, and therefore the air inlet pipe 83 can be supported and prevented from deforming; the gas generator is a blower and is connected with the gas inlet pipe fitting; the gas generated by the gas generator is conveyed into the first channel through the gas inlet pipe fitting, conveyed to the aeration holes through the second channel and sprayed out, so that the materials being stirred are impacted.

In order to prevent air leakage, a leakage-proof sealing structure is arranged between the air supply component 8 and the stirring shaft 3; specifically, the leakage-proof sealing structure comprises a sealing layer 91, a cylindrical plug-in part 92 and a sealing element 93, wherein the sealing layer 91 is made of rubber and is bonded on the inner wall of the connecting cavity, the plug-in part 92 is formed by directly extending the end part of the connecting seat outwards, and the plug-in part 92 can be in plug-in fit with the connecting cavity and rotates relative to the connecting cavity; the sealing member 93 is disposed on the insertion portion, and in this embodiment, the sealing member 93 is a plurality of circles of ribs 931 disposed on an outer surface of the insertion portion at uniform intervals; of course, in other embodiments, the sealing member 93 may also adopt other structures, as shown in the figure, the sealing member 93 includes an annular groove 932, a flexible layer 933 and a sleeve 934, the annular groove 932 is disposed on the outer surface of the insertion portion, the flexible layer 933 is a rubber layer, and the flexible layer 933 is adhered to the bottom wall of the annular groove 932; the external member 934 is annular metalwork, and this external member 934 is rotatable to be arranged in annular groove 932, and preferred, the thickness of external member 934 should slightly be greater than annular groove 932's height, equals the internal diameter of connecting the chamber to when grafting portion inserts to connecting the intracavity, can realize interference fit between external member and the connecting chamber, sealed respond well.

Furthermore, a sealing structure matched with the air inlet pipe fitting is arranged on the insertion part 92, so that the condition of air leakage at the joint of the air inlet pipe fitting and the air inlet pipe fitting is effectively prevented; specifically, the sealing component comprises a cage part 921 arranged on the insertion part and a plurality of rubber pieces 922 arranged in the cage part; the cage part 921 is formed by one section of the insertion part expanding outwards directly, so that when the insertion part is inserted into the connecting cavity; the cage part can be restored to the state before expansion, so that the cage part is completely pressed on the rubber piece; specifically, the method for forming the cage 921 includes: a, slotting: a plurality of gaps are uniformly arranged on the outer surface of the middle lower part of the insertion part 92 at intervals; b, punch forming: stamping the connecting seat by a press to expand the position of the gap on the plug-in part 92 outwards to form a cage part of the lantern-shaped structure; have a plurality of bars 923 on the cage portion after the shaping, form open slot 924 between the adjacent bar, rubber 922 by open slot 924 fills in extremely in the cage portion.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A coagulation stirring device comprises a frame (1), a shell (2) arranged on the frame, a stirring shaft (3) rotatably arranged on the shell, a spiral stirring paddle (4) arranged on the stirring shaft and a driving component (5) for driving the shell to rotate; the method is characterized in that: the stirring shaft (3) is provided with an aeration part (7) and a gas supply part (8) for supplying gas to the aeration part, and a leakage-proof sealing structure is arranged between the gas supply part (8) and the stirring shaft (3), wherein the driving part (5) comprises a motor (51), a gear (54) in transmission connection with the motor through a transmission structure and a gear ring (55) fixedly arranged on the outer surface of the shell; the aeration component (7) comprises a first aeration channel (71) arranged on the stirring shaft, a second aeration channel (72) arranged in the stirring paddle and a plurality of aeration holes (73) arranged on the outer surface of the interval stirring paddle; the gas inlet component (8) comprises a connecting cavity (81) which is arranged on the stirring shaft and communicated with the first aeration channel, a connecting seat (82) which is matched with the connecting cavity, a gas inlet pipe fitting (83) which is fixedly arranged in the connecting seat and a gas generator which is connected with the gas inlet pipe fitting; the connecting seat (82) is in rotatable fit with the connecting cavity (81); the leakage-proof sealing structure comprises a sealing layer (91) arranged in the connecting cavity, an inserting part (92) arranged on the connecting seat and matched with the connecting cavity in an inserting way, and a sealing element (93) arranged on the inserting part; the sealing element (93) is a plurality of circles of convex ribs (931) arranged on the outer surface of the insertion part at intervals; the sealing element (93) comprises an annular groove (932) arranged on the insertion part, a flexible layer (933) arranged in the annular groove and a sleeve piece (934) movably arranged in the annular groove; the insertion part (92) is provided with a sealing structure matched with the air inlet pipe fitting, and the sealing part comprises a cage part (921) arranged on the insertion part and a plurality of rubber pieces (922) arranged in the cage part; the cage part (921) is formed by the following method: a, slotting: a plurality of gaps are uniformly arranged on part of the surface of the insertion part (92) at intervals; b, punch forming: stamping the connecting seat through a press to enable the position, provided with the gap, on the inserting part (92) to expand outwards to form the cage part; have a plurality of bars (923) on the cage portion, form open slot (924) between the adjacent bar, rubber spare (922) by open slot (924) are plugged in extremely in the cage portion.

2. The coagulation mixer apparatus of claim 1, wherein: the transmission structure comprises a rotating wheel (52) connected with the output shaft of the motor and a belt pulley (53) rotationally connected with the rotating wheel, and the gear (54) and the belt pulley are coaxially arranged.

3. The coagulation mixer apparatus of claim 1, wherein: the belt pulley (53) is in transmission connection with the rotating wheel (52) through a belt, and the gear (54) is meshed with the gear ring (55).