Continuous vibration stirrer
Technical Field
The utility model belongs to the technical field of the stirring, especially, relate to a continuous type vibration mixer.
Background
The stirring equipment is widely applied to the engineering construction of the industries such as highways, bridges, water conservancy, buildings and the like. The present invention is classified into two categories, namely, a batch mixer and a continuous mixer according to their working properties, and the continuous mixer is receiving industrial attention due to its advantages such as high productivity and stable load during mixing. In recent years, with the continuous improvement of the technical level of continuous metering, the development of domestic and foreign continuous mixers is promoted, but due to the defects of short mixing time, low mixing strength, poor mixing quality and the like, the mixer is difficult to adapt to projects with high quality requirements. The vibration stirring is an economic method for strengthening the effect of the stirring, and the research results show that the vibration stirring can reduce the internal friction resistance of concrete, improve the micro homogeneity, improve the gas content and the gas pore distribution state of the concrete, save the cement consumption and the water consumption and improve the comprehensive performance of the concrete since the research in a vibration stirring laboratory started abroad in the 30 th century. The domestic research is late, basically stays in the research stage of the laboratory, and the existing vibration stirrer in the market at present mainly adopts the mode of cylinder body vibration or eccentric block vibration excitation, so that the vibration effect is not obvious, and the equipment reliability is poor.
Disclosure of Invention
The utility model aims at overcoming above-mentioned current ordinary stirring time weak point of forcing, stirring intensity is low, mixes the quality poor and the vibration effect that the vibration stirring method of the mode of taking the cylinder body vibration or adopting the eccentric block excitation exists is not obvious now, and the shortcoming of equipment reliability difference provides a simple structure ingenious, low in manufacturing cost, effect effectual, the high continuous type vibration mixer of reliability.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a continuous vibration mixer, its characterized in that: comprises a frame, a cylinder body arranged on the frame, and a vibration driving device and a stirring driving device which are respectively arranged at two sides of the cylinder body; the vibration driving device comprises a power source, a rotating shaft, a bearing I, a bearing seat I, a bearing II and a bearing outer seat, wherein a stirring device is arranged in the cylinder body, one end of the stirring device is supported on the rack through a bearing III and is connected with the stirring driving device, the other end of the stirring device is connected with the vibration driving device through a bearing II, the central line of an outer raceway of the bearing II is arranged in a manner of offsetting from the rotating shaft rotating central line, the outer raceway of the bearing II is the inner surface of a bearing outer ring which is in direct contact with bearing balls, the raceway is generally a spherical surface or a cylindrical surface, the geometric symmetry central line of the raceway is the central.
Furthermore, the pivot is straight pivot, and pivot one end is connected through the bolt with the bearing outer race, and the other end supports in bearing frame I through bearing I, and its outer end passes through the belt pulley and links to each other with vibration drive device, and the installation shaft section that II inner circles of bearing correspond is agitating unit's (mixing) shaft spindle nose.
Furthermore, the bearing outer seat is of an eccentric structure or/and the bearing II is eccentric by an outer ring.
Furthermore, the vibration driving device further comprises an outer bushing, the outer bushing is arranged between the bearing II outer ring and the bearing outer seat, the outer surface of the outer bushing is fixedly connected with the bearing outer seat, and the inner surface of the outer bushing is fixedly connected with the bearing II outer ring.
Further, under the condition that an outer bushing is additionally arranged, the offset arrangement of the center line of the outer raceway of the bearing II and the rotation center line of the rotating shaft can be realized by the eccentric structure of the outer bushing, the eccentric structure of the outer bearing seat, the eccentric eccentricity of the outer ring of the bearing II, or the combination of any two eccentric structures or the combination of three eccentric structures.
Furthermore, the end part of the rotating shaft is provided with a flange spigot, and the flange spigot is connected with the bearing outer seat through a bolt.
Further, under the condition that a flange spigot is additionally arranged, the offset arrangement of the central line of the outer raceway of the bearing II and the rotation central line of the rotating shaft can be realized through the eccentric structure of the flange spigot, the eccentric structure of the outer seat of the bearing, the eccentric eccentricity of the outer ring of the bearing II, or the combination of any two eccentric structures or the combination of three eccentric structures.
Furthermore, the vibration driving device further comprises an outer bushing, the outer bushing is arranged between the bearing outer ring II and the bearing outer seat, the outer surface of the outer bushing is fixedly connected with the bearing outer seat, the inner surface of the outer bushing is fixedly connected with the bearing outer ring II, a flange spigot is arranged at the end part of the rotating shaft, and the flange spigot is connected with the bearing outer seat through a bolt.
Further, under the condition that an outer bushing and a flange spigot are additionally arranged, the outer bushing is of an eccentric structure, or the flange spigot is of an eccentric structure, or a bearing outer seat is of an eccentric structure, or a bearing II is of an outer ring eccentric structure, or a combination of any two eccentric structures, or a combination of any three eccentric structures or a combination of four eccentric structures.
Further, agitating unit is two sets of, and agitating unit includes (mixing) shaft, stirring arm and stirring vane, and wherein, stirring arm welding or embrace the tile and connect on the (mixing) shaft, and stirring vane passes through bolted connection on the stirring arm, and the (mixing) shaft setting is being mixed the jar in and runs through and mix jar curb plate, and one end links to each other with stirring drive arrangement, and the other end links to each other with vibration drive arrangement.
Further, stirring drive arrangement is motor drive, the motor links to each other with the speed reducer, earlier through the speed reducer speed reduction, the synchronous antiport of two sets of agitating unit of rethread synchronizing gear realization, owing to there is single-ended eccentric subassembly, the installation back, the (mixing) shaft has inclination, the (mixing) shaft both ends are respectively through bearing II, bearing III supports, consequently, require bearing II, the inclination of (mixing) shaft can be compensated to the inclination that the outer lane was allowed in bearing III, otherwise the bearing is held back to death or the trouble, and the oblique displacement of the gear engagement department that the inclination of (mixing) shaft caused can be compensated to synchronous gear meshing tooth side clearance, otherwise the gear is held back to death or the.
Further, stirring drive arrangement is motor drive, realizes synchronous speed reduction through synchronous gear reducer, and the rethread shaft coupling links to each other with agitating unit, owing to there is single-ended eccentric subassembly, and the installation back, there is inclination the (mixing) shaft, therefore requires the inclination that the shaft coupling allowed to compensate the inclination of (mixing) shaft, otherwise the shaft coupling holds back to die or the trouble.
Further, the cylinder body both ends are provided with feed inlet and discharge gate respectively, because agitating unit is located stirring drive arrangement one side low and each component of mixture just gets into and mix the jar, macroscopically not fully mixed yet, and the vibration effect is not obvious, and agitating unit is located vibration drive arrangement one side intensity of vibration big and each component of mixture macroscopically has basically mixed the even, and the vibration effect is obvious, therefore the feed inlet setting is close to stirring drive arrangement one side in the cylinder body top, and the discharge gate setting is close to vibration drive arrangement one side in the cylinder body below.
The utility model has the advantages that:
1. the utility model provides a continuous type vibration mixer, amplitude and frequency are not influenced by the load, and agitating unit forces the stirring to obtain macroscopically even mixture to the mixture, exerts high frequency constant amplitude periodic vibration effect simultaneously, improves the microcosmic homogeneity of mixture to make the material more even, closely knit, easily construct, have wide market prospect;
2. because the stirring device of the vibration stirrer of the utility model transmits the vibration to the stirring device by processing and manufacturing eccentricity and high-speed rotation of the mounting assembly while stirring, the eccentric vibration mode is more stable and reliable than the conventional eccentric vibration mode of an eccentric block type, and the vibration effect is more obvious;
3. because the utility model discloses finally realize the vibration transmission through bearing II outer raceway central lines and pivot centre of gyration skew setting. The specific implementation mode is that the outer bushing is in an eccentric structure, or the flange spigot is in an eccentric structure, or the bearing outer seat is in an eccentric structure, or the bearing II is in an outer ring eccentric structure, or the combination of any two eccentric structures, or the combination of any three eccentric structures or the combination of four eccentric structures, so that the novel bearing has the advantages of simple structure and convenience in implementation;
4. because the inclination angle allowed by the bearing II, the bearing III or the coupling can compensate the inclination angle of the stirring shaft brought by any installation, the bearing or the coupling is prevented from being blocked or broken down in the working process, and the failure rate of the whole machine is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of an excitation mechanism according to embodiment 1 of the present invention.
Fig. 4 is a schematic view of an excitation mechanism according to embodiment 2 of the present invention.
Fig. 5 is a schematic view of an excitation mechanism according to embodiment 3 of the present invention.
Fig. 6 is a schematic view of an excitation mechanism according to embodiment 4 of the present invention.
Fig. 7 is a schematic structural diagram of a first stirring driving scheme of the present invention.
Fig. 8 is a schematic structural diagram of a second stirring driving scheme of the present invention.
Fig. 9 is a schematic structural diagram of a third stirring driving scheme of the present invention.
Fig. 10 is a schematic structural diagram of a fourth embodiment of the stirring driving scheme of the present invention.
Fig. 11 is a schematic structural diagram of a fifth stirring driving scheme in the present invention.
Fig. 12 is a schematic structural diagram of a sixth embodiment of the stirring driving scheme of the present invention.
1. A frame; 2. a cylinder body; 21. a feed inlet; 22. a discharge port; 3. a vibration driving device; 31. a power source; 32. a rotating shaft; 33. a bearing I; 34. a bearing seat I; 35. a bearing II; 36. an outer liner; 37. a bearing outer seat; 4. a stirring drive device; 41. a motor; 42. a speed reducer; 43. a coupling; 44. a synchronizing gear; 5. a stirring device I; 51. a stirring shaft I; 52. a stirring arm I; 53. a stirring blade I; 6. a stirring device II; 61. a stirring shaft II; 62. a stirring arm II; 63. a stirring blade II; 7. and a bearing III.
Detailed Description
Example 1
A continuous vibration stirrer comprises a frame 1, a cylinder body 2 arranged on the frame 1, and a vibration driving device 3 and a stirring driving device 4 which are respectively arranged on two sides of the cylinder body 2; the vibration driving device 3 comprises a power source 31, a rotating shaft 32, a bearing I33, a bearing seat I34, a bearing II 35, an outer bushing 36 and a bearing outer seat 37, a stirring device I5 and a stirring device II 6 are arranged in the cylinder body 2, the stirring device I5 comprises a stirring shaft I51, a stirring arm I52 welded or tiled on the stirring shaft I51 and a stirring blade I53 fixedly connected on the stirring arm I52 through a bolt, the stirring device II 6 comprises a stirring shaft II 61, a stirring arm II 62 welded or tiled on the stirring shaft II 61 and a stirring blade II 63 fixedly connected on the stirring arm II 62 through a bolt; one end of each of the stirring device I5 and the stirring device II 6 is supported on the frame 1 through a supporting bearing 6 and is connected with the stirring driving device 4, the other end of each of the stirring device I5 and the stirring device II 6 is connected with the vibration driving device through a bearing II 35, the rotating shaft 32 is a straight rotating shaft, one end of the rotating shaft 32 is connected with the bearing outer seat 37 through a bolt, the outer bushing 36 is arranged between the bearing outer ring and the bearing outer seat, the outer surface of the outer bushing is fixedly connected with the bearing outer seat 37, the inner surface of the outer bushing is fixedly connected with the outer ring of the bearing II 35, the corresponding mounting shaft sections of the inner ring of the bearing II 35 are a stirring shaft I51 shaft head and a stirring shaft II 61 shaft head, the rotating shaft 32 is supported in the bearing seat I34 through a bearing I33 and penetrates and extends out of the bearing seat I34 to be connected with the vibration driving device 3 through, the motor 41 is connected with the speed reducer 42, the speed is reduced through the speed reducer 42, and synchronous reverse rotation of the stirring device I5 and the stirring device II 6 is realized through the synchronous gear 44, wherein stirring driving can be divided into four schemes, in the first scheme, the motor 41 is connected with the speed reducer 42 through the coupler 43 and then connected with the synchronous gear 44 through the coupler 45, and the synchronous gear 44 is respectively connected with the shaft head of the stirring shaft I51 and the shaft head of the stirring shaft II 61, so that power transmission is realized; in the second scheme, after the motor 41 is directly connected with the speed reducer 42, the motor is connected with the synchronous gear 44 through the coupler 43, and the synchronous gear 44 is respectively connected with the shaft head of the stirring shaft I51 and the shaft head of the stirring shaft II 61, so that power transmission is realized; in the third scheme, after being singly decelerated by a speed reducer 42, the two motors 41 are respectively connected with a synchronous gear 44, and the synchronous gear 44 is respectively connected with a shaft head of a stirring shaft I51 and a shaft head of a stirring shaft II 61, so that power transmission is realized; in the fourth scheme, two motors 41 are respectively connected with a speed reducer 42 directly and then connected with a synchronous gear 44, and the synchronous gear 44 is respectively connected with a shaft head of a stirring shaft I51 and a shaft head of a stirring shaft II 61, so that power transmission is realized; because II 35 of bearing is outer lane eccentric, and the bearing outer race also is eccentric structure, the installation back, there is inclination (inclination) in (I51) and (stirring) shaft II 61 of (mixing) shaft, II 61 both ends of (mixing) shaft I51 and (mixing) shaft are respectively through II 35 of bearing and the support bearing 6 support, consequently require in II 35 of bearing and the support bearing 6, the inclination that the inclination of outer lane allowwed can compensate (mixing) shaft 511 because the inclination that the installation exists, otherwise the bearing is held back and is died or the trouble, and the oblique displacement of the gear engagement department that the inclination of (mixing) shaft caused can be compensated in synchronous gear meshing tooth side clearance, otherwise the gear. 2 both ends of cylinder body are provided with feed inlet 21 and discharge gate 22 respectively, because agitating unit I5, agitating unit II 6 is located that stirring drive arrangement 4 one side intensity of vibration is low and each component of mixture just gets into cylinder body 2 along the axial, macroscopic not intensive mixing yet, the vibration effect is not obvious, and agitating unit I5, agitating unit II 6 is located that vibration drive arrangement 3 one side intensity of vibration is big and each component of mixture has already basically mixed the homogeneity macroscopically along the axial, the vibration effect is obvious, consequently, feed inlet 21 sets up and is close to stirring drive arrangement 4 one side in 2 tops of cylinder body, discharge gate 22 sets up and is close to vibration drive arrangement 3 one side in 2 belows of cylinder body, in operation, when the mixture accepts the compulsory stirring, obtain high strength, effectual vibration effect, the vibration effect is effectual.
Example 2
Example 2 differs from example 1 again in that: the offset arrangement of the central line of the outer raceway of the bearing II 35 and the rotation central line of the rotating shaft 32 is caused by the combination of the outer ring eccentricity of the bearing II 35 and the eccentric structure of the outer bushing 36, wherein the stirring driving device 4 is driven by a motor 41, realizes synchronous speed reduction through a synchronous gear speed reducer 42, is connected with a stirring device I5 and a stirring device II 6 through a coupler 43, because the outer ring of the outer bushing 36 and the outer ring of the bearing II 35 are in eccentric structures, after the installation, the stirring shaft I51 and the stirring shaft II 61 have inclination angles, therefore, the coupler 43 is required to compensate the inclination angles of the stirring shafts I51 and II 61, otherwise, the coupler 43 is locked or fails, the stirring driving device 4 is divided into the following two schemes, in the fifth scheme, after one motor 41 is decelerated through one speed reducer 42, the speed reducer 42 is respectively connected with the stirring shaft I51 and the stirring shaft II 61 through two couplers 43; in the sixth scheme, two motors 41 are respectively connected with a stirring shaft I51 and a stirring shaft II 61 through a coupler 43 after being decelerated by the same speed reducer 42.
Example 3
Example 3 differs from examples 1 and 2 in that: the offset arrangement of the center line of the outer raceway of the outer ring of the bearing II 35 and the rotation center line of the rotating shaft 32 is caused by the combination of an eccentric structure of the bearing outer seat 37 and an eccentric structure of the outer bushing 36.
Example 4
Example 4 differs from examples 1, 2, 3 in that: the offset arrangement of the central line of the outer raceway of the bearing II 35 and the rotation central line of the rotating shaft 32 is caused by the combination of the outer ring eccentricity of the bearing II 35, the eccentric structure of the outer bushing 36 and the eccentric structure of the outer bearing seat 37.
When the vibration reducer is used specifically, the bearing II 35 is in an outer ring eccentric structure or the outer bushing 36 or the bearing outer seat 37 is in an eccentric structure, in the transmission process, the bearing II 35 outer ring eccentric structure, the outer bushing 36 eccentric structure, the bearing outer seat 37 eccentric structure or the combination of any two eccentric structures or the combination eccentric total amount of the three eccentric structures can be transmitted to the stirring shaft I51 and the stirring shaft II 61 due to the high-speed rotation of the rotating shaft 32, so that the mixture is forcibly stirred by the stirring device, and simultaneously, the high-frequency constant-amplitude additional vibration effect is obtained, the macro and micro uniformity is realized, the material is more compact, the vibration reducer is easy to construct, and the vibration reducer has a wide market prospect.
Example 5
Example 5 differs from examples 1, 2, 3, 4 in that: the offset arrangement of the central line of the outer raceway of the bearing II 35 and the rotation central line of the rotating shaft 32 is only caused by the eccentricity of the outer ring of the bearing II 35.
Example 6
Example 6 differs from examples 1, 2, 3, 4, 5 in that: the offset arrangement of the center line of the outer raceway of the bearing II 35 and the rotation center line of the rotating shaft 32 is only caused by the eccentricity of the outer bushing 36.
Example 7
Example 7 differs from examples 1, 2, 3, 4, 5, 6 in that: the offset arrangement of the central line of the outer raceway of the bearing II 35 and the rotation central line of the rotating shaft 32 is only caused by the eccentricity of the bearing outer seat 37.