A kind of rotor-type compressor【Technical field】
The present invention relates to rotor-type compressor technical field, more particularly to a kind of rotor-type compressor.
【Background technology】
Rotor-type compressor on housing, is covered pump assembly by cylinder or upper cylinder mostly motor stator hot jacketThree or more plug weldings be spot welded on housing.So it is difficult to ensure that motor stator, rotor coaxial, and easily cause pump assemblyWelding deformation.Though the rack construction that patent ZL96120366.8 is proposed can make motor stator, rotor easily reach coaxial, the pump housing is avoidedWelding deformation, but also need a motor stator hot jacket on housing, this makes motor stator by compression, unfavorable to its performance, togetherWhen also frame by three or more plug weldings be spot welded on housing, its assembly technology is more complicated.
【The content of the invention】
It is an object of the invention to provide a kind of rotor-type compressor, to overcome the technology present in above-mentioned prior art to askTopic.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of rotor-type compressor, including upper outer cover, motor stator, integral open frame, pump body structure and lower outer cover；OneOpen frame includes cylinder and the frame being arranged in cylinder, cylinder are process with frame integration；The top of frame is provided with oneInterior concave station, the bottom of interior concave station are a concave station plane, and motor stator is directly by adhesive/be bolted to interior concave station planeOn；Pump body structure is fixed on integral open frame by three screws, and the top of integral open frame is connected with upper outer cover, underPortion is connected with lower outer cover；Pump body structure includes rotor, eccentric shaft, upper lid, rotor, lower cover and cylinder；On eccentric shaftPortion is fixed with rotor, bottom is provided with rotor；Cylinder is fixed between lid and lower cover, is arranged at rotor and is located at cylinderIt is interior；Eccentric shaft passes through upper lid and lower cover.
Preferably, the integral open frame is made by casting one-shot forming.
Preferably, the integral open frame is formed by metal material processing.
Preferably, described metal material is cast iron.
Preferably, described metal material is mild steel.
Preferably, described integral open frame is connected with upper outer cover, lower outer cover by welding or viscose glue.
Preferably, integral open frame is provided with the inlet pipe connection of a connection cylinder；Integral open frame and cylinder are closeContact.
Relative to prior art, the invention has the advantages that：
Compared with prior art, housing and frame are directly cast or are processed into a part by the present invention, and in compressorA platform (interior concave station plane) is processed on integral open frame, motor stator is installed on this platform, and the pump housing passes through cylinder and frameLower plane is fixedly connected, and ensure that motor stator and housing well, the problem of rotor gap is uneven, while avoid pumpBody deforms, and eliminates stator heating jacket process influential on motor performance and plug welding frame process.Compared with prior art, originallyThe advantages that invention has gap uniformity between electric machine rotor, and deflection of pump body is small, and integrated artistic is preferable.
【Brief description of the drawings】
Fig. 1 is the structural representation of the present invention；
Wherein, the upper outer covers of 1-, 2- motor stators, 3- rotors, 4- one open frames, 5- eccentric shafts, cover on 6-, 7- spiral shellsFollow closely, 8- rotors, 9- lower covers, outer cover under 10-, 11- cylinders, 12- inlet pipe connections, concave station in 13-, concave station plane in 131-.
【Embodiment】
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of rotor-type compressor of the present invention, including upper outer cover 1, motor stator 2, rotor 3, oneOpen frame 4, eccentric shaft 5, upper lid 6, screw 7, rotor 8, lower cover 9, lower outer cover 10 and cylinder 11.Integral open frame 4 is by metal materialExpect (such as mild steel (45)) by machining.
Integral open frame 4 includes cylinder 40 and the frame 41 being arranged in cylinder 40, and cylinder 40 is integrated with frame 41 to be addedWork forms, and is combined into one to form integral open frame 4；The top of frame 41 is provided with concave station 13 in one, and the bottom of interior concave station 13 is oneIndividual concave station plane 131, motor stator 2 are directly installed in interior concave station plane 131, be fixed using adhesive/bolt fixes,Motor stator is arranged on this step-like platform, effectively it can be prevented to move radially, be positioned motor stator 2, so as toThe problem of ensureing axiality between integral open frame 4 and motor stator 2 well, hot jacket high temperature is avoided to produce thermal deformation to statorInfluence, be advantageous to the guarantee in gap between rotor.
Pump body structure is fixed on integral open frame 4 by three screws 7, by laser welding by integral open frame 4Top be connected with upper outer cover 1, bottom is connected with lower outer cover 10, and the top of the integral open frame 4 is provided with an indentPlatform 13, the interior concave station 13 are provided with concave station plane 131 in one, and the lower end of motor stator 2 is bolted to connection puts down in interior concave stationOn face 131.
Pump body structure includes：Rotor 3, eccentric shaft 5, upper lid 6, rotor 8, lower cover 9 and cylinder 11；The top of eccentric shaft 5It is fixed with rotor 3, bottom is provided with rotor 8；Cylinder 11 is fixed between lid 6 and lower cover 9, is arranged at rotor 8 and is located atIn cylinder 11；Eccentric shaft 5 passes through upper lid 6 and lower cover 9.
Integral open frame 4 is provided with the inlet pipe connection 12 of a connection cylinder 11；The integral open frame 4 of the present invention and cylinder11 are in close contact, and need not weld extra pipeline between the two.
Embodiment 2
Referring to Fig. 1, a kind of rotor-type compressor of the present invention, wherein the top of integral open frame 4 passes through viscose glue with upper outer cover 1It is connected, its underpart is connected with the lower viscose glue of outer cover 10, and the lower end viscose glue of motor stator 2 is fastened on interior concave station planeOn 131, remaining structure is same as Example 1.